Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

28 files changed, 4519 insertions, 0 deletions

diff --git a/modules/setup/library/Setup/Exception/SetupException.php b/modules/setup/library/Setup/Exception/SetupException.php
new file mode 100644
index 0000000..c3ae591
--- /dev/null
+++ b/modules/setup/library/Setup/Exception/SetupException.php
@@ -0,0 +1,22 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Exception;
+
+use Icinga\Exception\IcingaException;
+
+/**
+ * Class SetupException
+ *
+ * Used to indicate that a setup should be aborted.
+ */
+class SetupException extends IcingaException
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct()
+    {
+        parent::__construct('Setup abortion');
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement.php b/modules/setup/library/Setup/Requirement.php
new file mode 100644
index 0000000..fd16405
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement.php
@@ -0,0 +1,343 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use LogicException;
+
+abstract class Requirement
+{
+    /**
+     * The state of this requirement
+     *
+     * @var bool
+     */
+    protected $state;
+
+    /**
+     * A descriptive text representing the current state of this requirement
+     *
+     * @var string
+     */
+    protected $stateText;
+
+    /**
+     * The descriptions of this requirement
+     *
+     * @var array
+     */
+    protected $descriptions;
+
+    /**
+     * The title of this requirement
+     *
+     * @var string
+     */
+    protected $title;
+
+    /**
+     * The condition of this requirement
+     *
+     * @var mixed
+     */
+    protected $condition;
+
+    /**
+     * Whether this requirement is optional
+     *
+     * @var bool
+     */
+    protected $optional;
+
+    /**
+     * The alias to display the condition with in a human readable way
+     *
+     * @var string
+     */
+    protected $alias;
+
+    /**
+     * The text to display if the given requirement is fulfilled
+     *
+     * @var string
+     */
+    protected $textAvailable;
+
+    /**
+     * The text to display if the given requirement is not fulfilled
+     *
+     * @var string
+     */
+    protected $textMissing;
+
+    /**
+     * Create a new requirement
+     *
+     * @param   array   $options
+     *
+     * @throws  LogicException  In case there exists no setter for an option's key
+     */
+    public function __construct(array $options = array())
+    {
+        $this->optional = false;
+        $this->descriptions = array();
+
+        foreach ($options as $key => $value) {
+            $setMethod = 'set' . ucfirst($key);
+            $addMethod = 'add' . ucfirst($key);
+            if (method_exists($this, $setMethod)) {
+                $this->$setMethod($value);
+            } elseif (method_exists($this, $addMethod)) {
+                $this->$addMethod($value);
+            } else {
+                throw LogicException('No setter found for option key: ' . $key);
+            }
+        }
+    }
+
+    /**
+     * Set the state of this requirement
+     *
+     * @param   bool    $state
+     *
+     * @return  Requirement
+     */
+    public function setState($state)
+    {
+        $this->state = (bool) $state;
+        return $this;
+    }
+
+    /**
+     * Return the state of this requirement
+     *
+     * Evaluates the requirement in case there is no state set yet.
+     *
+     * @return  int
+     */
+    public function getState()
+    {
+        if ($this->state === null) {
+            $this->state = $this->evaluate();
+        }
+
+        return $this->state;
+    }
+
+    /**
+     * Set a descriptive text for this requirement's current state
+     *
+     * @param   string  $text
+     *
+     * @return  Requirement
+     */
+    public function setStateText($text)
+    {
+        $this->stateText = $text;
+        return $this;
+    }
+
+    /**
+     * Return a descriptive text for this requirement's current state
+     *
+     * @return  string
+     */
+    public function getStateText()
+    {
+        $state = $this->getState();
+        if ($this->stateText === null) {
+            return $state ? $this->getTextAvailable() : $this->getTextMissing();
+        }
+        return $this->stateText;
+    }
+
+    /**
+     * Add a description for this requirement
+     *
+     * @param   string  $description
+     *
+     * @return  Requirement
+     */
+    public function addDescription($description)
+    {
+        $this->descriptions[] = $description;
+        return $this;
+    }
+
+    /**
+     * Return the descriptions of this wizard
+     *
+     * @return  array
+     */
+    public function getDescriptions()
+    {
+        return $this->descriptions;
+    }
+
+    /**
+     * Set the title for this requirement
+     *
+     * @param   string  $title
+     *
+     * @return  Requirement
+     */
+    public function setTitle($title)
+    {
+        $this->title = $title;
+        return $this;
+    }
+
+    /**
+     * Return the title of this requirement
+     *
+     * In case there is no title set the alias is returned instead.
+     *
+     * @return  string
+     */
+    public function getTitle()
+    {
+        if ($this->title === null) {
+            return $this->getAlias();
+        }
+
+        return $this->title;
+    }
+
+    /**
+     * Set the condition for this requirement
+     *
+     * @param   mixed   $condition
+     *
+     * @return  Requirement
+     */
+    public function setCondition($condition)
+    {
+        $this->condition = $condition;
+        return $this;
+    }
+
+    /**
+     * Return the condition of this requirement
+     *
+     * @return  mixed
+     */
+    public function getCondition()
+    {
+        return $this->condition;
+    }
+
+    /**
+     * Set whether this requirement is optional
+     *
+     * @param   bool    $state
+     *
+     * @return  Requirement
+     */
+    public function setOptional($state = true)
+    {
+        $this->optional = (bool) $state;
+        return $this;
+    }
+
+    /**
+     * Return whether this requirement is optional
+     *
+     * @return  bool
+     */
+    public function isOptional()
+    {
+        return $this->optional;
+    }
+
+    /**
+     * Set the alias to display the condition with in a human readable way
+     *
+     * @param   string  $alias
+     *
+     * @return  Requirement
+     */
+    public function setAlias($alias)
+    {
+        $this->alias = $alias;
+        return $this;
+    }
+
+    /**
+     * Return the alias to display the condition with in a human readable way
+     *
+     * @return  string
+     */
+    public function getAlias()
+    {
+        return $this->alias;
+    }
+
+    /**
+     * Set the text to display if the given requirement is fulfilled
+     *
+     * @param   string  $textAvailable
+     *
+     * @return  Requirement
+     */
+    public function setTextAvailable($textAvailable)
+    {
+        $this->textAvailable = $textAvailable;
+        return $this;
+    }
+
+    /**
+     * Get the text to display if the given requirement is fulfilled
+     *
+     * @return  string
+     */
+    public function getTextAvailable()
+    {
+        return $this->textAvailable;
+    }
+
+    /**
+     * Set the text to display if the given requirement is not fulfilled
+     *
+     * @param   string  $textMissing
+     *
+     * @return  Requirement
+     */
+    public function setTextMissing($textMissing)
+    {
+        $this->textMissing = $textMissing;
+        return $this;
+    }
+
+    /**
+     * Get the text to display if the given requirement is not fulfilled
+     *
+     * @return  string
+     */
+    public function getTextMissing()
+    {
+        return $this->textMissing;
+    }
+
+    /**
+     * Evaluate this requirement and return whether it is fulfilled
+     *
+     * @return  bool
+     */
+    abstract protected function evaluate();
+
+    /**
+     * Return whether the given requirement equals this one
+     *
+     * @param   Requirement     $requirement
+     *
+     * @return  bool
+     */
+    public function equals(Requirement $requirement)
+    {
+        if ($requirement instanceof static) {
+            return $this->getCondition() === $requirement->getCondition();
+        }
+
+        return false;
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/ClassRequirement.php b/modules/setup/library/Setup/Requirement/ClassRequirement.php
new file mode 100644
index 0000000..d884c31
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/ClassRequirement.php
@@ -0,0 +1,48 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class ClassRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        return Platform::classExists($this->getCondition());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getStateText()
+    {
+        $stateText = parent::getStateText();
+        if ($stateText === null) {
+            $alias = $this->getAlias();
+            if ($this->getState()) {
+                $stateText = $alias === null
+                    ? sprintf(
+                        mt('setup', 'The %s class is available.', 'setup.requirement.class'),
+                        $this->getCondition()
+                    )
+                    : sprintf(
+                        mt('setup', 'The %s is available.', 'setup.requirement.class'),
+                        $alias
+                    );
+            } else {
+                $stateText = $alias === null
+                    ? sprintf(
+                        mt('setup', 'The %s class is missing.', 'setup.requirement.class'),
+                        $this->getCondition()
+                    )
+                    : sprintf(
+                        mt('setup', 'The %s is missing.', 'setup.requirement.class'),
+                        $alias
+                    );
+            }
+        }
+        return $stateText;
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/ConfigDirectoryRequirement.php b/modules/setup/library/Setup/Requirement/ConfigDirectoryRequirement.php
new file mode 100644
index 0000000..7e9044c
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/ConfigDirectoryRequirement.php
@@ -0,0 +1,42 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Module\Setup\Requirement;
+
+class ConfigDirectoryRequirement extends Requirement
+{
+    public function getTitle()
+    {
+        $title = parent::getTitle();
+        if ($title === null) {
+            return mt('setup', 'Read- and writable configuration directory');
+        }
+
+        return $title;
+    }
+
+    protected function evaluate()
+    {
+        $path = $this->getCondition();
+        if (file_exists($path)) {
+            $readable = is_readable($path);
+            if ($readable && is_writable($path)) {
+                $this->setStateText(sprintf(mt('setup', 'The directory %s is read- and writable.'), $path));
+                return true;
+            } else {
+                $this->setStateText(sprintf(
+                    $readable
+                        ? mt('setup', 'The directory %s is not writable.')
+                        : mt('setup', 'The directory %s is not readable.'),
+                    $path
+                ));
+                return false;
+            }
+        } else {
+            $this->setStateText(sprintf(mt('setup', 'The directory %s does not exist.'), $path));
+            return false;
+        }
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/OSRequirement.php b/modules/setup/library/Setup/Requirement/OSRequirement.php
new file mode 100644
index 0000000..760c97a
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/OSRequirement.php
@@ -0,0 +1,27 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class OSRequirement extends Requirement
+{
+    public function getTitle()
+    {
+        $title = parent::getTitle();
+        if ($title === null) {
+            return sprintf(mt('setup', '%s Platform'), ucfirst($this->getCondition()));
+        }
+
+        return $title;
+    }
+
+    protected function evaluate()
+    {
+        $phpOS = Platform::getOperatingSystemName();
+        $this->setStateText(sprintf(mt('setup', 'You are running PHP on a %s system.'), ucfirst($phpOS)));
+        return strtolower($phpOS) === strtolower($this->getCondition());
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/PhpConfigRequirement.php b/modules/setup/library/Setup/Requirement/PhpConfigRequirement.php
new file mode 100644
index 0000000..6c77af5
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/PhpConfigRequirement.php
@@ -0,0 +1,22 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class PhpConfigRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        list($configDirective, $value) = $this->getCondition();
+        $configValue = Platform::getPhpConfig($configDirective);
+        $this->setStateText(
+            $configValue
+                ? sprintf(mt('setup', 'The PHP config `%s\' is set to "%s".'), $configDirective, $configValue)
+                : sprintf(mt('setup', 'The PHP config `%s\' is not defined.'), $configDirective)
+        );
+        return is_bool($value) ? $configValue == $value : $configValue === $value;
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/PhpModuleRequirement.php b/modules/setup/library/Setup/Requirement/PhpModuleRequirement.php
new file mode 100644
index 0000000..f8ab129
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/PhpModuleRequirement.php
@@ -0,0 +1,42 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class PhpModuleRequirement extends Requirement
+{
+    public function getTitle()
+    {
+        $title = parent::getTitle();
+        if ($title === $this->getAlias()) {
+            if ($title === null) {
+                $title = $this->getCondition();
+            }
+
+            return sprintf(mt('setup', 'PHP Module: %s'), $title);
+        }
+
+        return $title;
+    }
+
+    protected function evaluate()
+    {
+        $moduleName = $this->getCondition();
+        if (Platform::extensionLoaded($moduleName)) {
+            $this->setStateText(sprintf(
+                mt('setup', 'The PHP module %s is available.'),
+                $this->getAlias() ?: $moduleName
+            ));
+            return true;
+        } else {
+            $this->setStateText(sprintf(
+                mt('setup', 'The PHP module %s is missing.'),
+                $this->getAlias() ?: $moduleName
+            ));
+            return false;
+        }
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/PhpVersionRequirement.php b/modules/setup/library/Setup/Requirement/PhpVersionRequirement.php
new file mode 100644
index 0000000..b811ca8
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/PhpVersionRequirement.php
@@ -0,0 +1,28 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class PhpVersionRequirement extends Requirement
+{
+    public function getTitle()
+    {
+        $title = parent::getTitle();
+        if ($title === null) {
+            return mt('setup', 'PHP Version');
+        }
+
+        return $title;
+    }
+
+    protected function evaluate()
+    {
+        $phpVersion = Platform::getPhpVersion();
+        $this->setStateText(sprintf(mt('setup', 'You are running PHP version %s.'), $phpVersion));
+        list($operator, $requiredVersion) = $this->getCondition();
+        return version_compare($phpVersion, $requiredVersion, $operator);
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/SetRequirement.php b/modules/setup/library/Setup/Requirement/SetRequirement.php
new file mode 100644
index 0000000..77cbaf0
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/SetRequirement.php
@@ -0,0 +1,34 @@
+<?php
+/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Module\Setup\Requirement;
+
+/**
+ * Add requirement field
+ *
+ * @package Icinga\Module\Setup\Requirement
+ */
+class SetRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        $condition = $this->getCondition();
+
+        if ($condition->getState()) {
+            $this->setStateText(sprintf(
+                mt('setup', '%s is available.'),
+                $this->getAlias() ?: $this->getTitle()
+            ));
+            return true;
+        }
+
+        $this->setStateText(sprintf(
+            mt('setup', '%s is missing.'),
+            $this->getAlias() ?: $this->getTitle()
+        ));
+
+        return false;
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/WebLibraryRequirement.php b/modules/setup/library/Setup/Requirement/WebLibraryRequirement.php
new file mode 100644
index 0000000..bab587a
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/WebLibraryRequirement.php
@@ -0,0 +1,24 @@
+<?php
+/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Icinga;
+use Icinga\Module\Setup\Requirement;
+
+class WebLibraryRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        list($name, $op, $version) = $this->getCondition();
+
+        $libs = Icinga::app()->getLibraries();
+        if (! $libs->has($name)) {
+            $this->setStateText(sprintf(mt('setup', '%s is not installed'), $this->getAlias()));
+            return false;
+        }
+
+        $this->setStateText(sprintf(mt('setup', '%s version: %s'), $this->getAlias(), $libs->get($name)->getVersion()));
+        return $libs->has($name, $op . $version);
+    }
+}
diff --git a/modules/setup/library/Setup/Requirement/WebModuleRequirement.php b/modules/setup/library/Setup/Requirement/WebModuleRequirement.php
new file mode 100644
index 0000000..ad600e1
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/WebModuleRequirement.php
@@ -0,0 +1,31 @@
+<?php
+/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Icinga;
+use Icinga\Module\Setup\Requirement;
+
+class WebModuleRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        list($name, $op, $version) = $this->getCondition();
+
+        $mm = Icinga::app()->getModuleManager();
+        if (! $mm->hasInstalled($name)) {
+            $this->setStateText(sprintf(mt('setup', '%s is not installed'), $this->getAlias()));
+            return false;
+        }
+
+        $module = $mm->getModule($name, false);
+
+        $moduleVersion = $module->getVersion();
+        if ($moduleVersion[0] === 'v') {
+            $moduleVersion = substr($moduleVersion, 1);
+        }
+
+        $this->setStateText(sprintf(mt('setup', '%s version: %s'), $this->getAlias(), $moduleVersion));
+        return version_compare($moduleVersion, $version, $op);
+    }
+}
diff --git a/modules/setup/library/Setup/RequirementSet.php b/modules/setup/library/Setup/RequirementSet.php
new file mode 100644
index 0000000..672fad4
--- /dev/null
+++ b/modules/setup/library/Setup/RequirementSet.php
@@ -0,0 +1,335 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use LogicException;
+use RecursiveIterator;
+use Traversable;
+
+/**
+ * Container to store and handle requirements
+ */
+class RequirementSet implements RecursiveIterator
+{
+    /**
+     * Mode AND (all requirements must be met)
+     */
+    const MODE_AND = 0;
+
+    /**
+     * Mode OR (at least one requirement must be met)
+     */
+    const MODE_OR = 1;
+
+    /**
+     * Whether all requirements meet their condition
+     *
+     * @var bool
+     */
+    protected $state;
+
+    /**
+     * Whether this set is optional
+     *
+     * @var bool
+     */
+    protected $optional;
+
+    /**
+     * The mode by which the requirements are evaluated
+     *
+     * @var string
+     */
+    protected $mode;
+
+    /**
+     * The registered requirements
+     *
+     * @var array
+     */
+    protected $requirements;
+
+    /**
+     * The raw state of this set's requirements
+     *
+     * @var bool
+     */
+    private $forcedState;
+
+    /**
+     * Initialize a new set of requirements
+     *
+     * @param   bool    $optional   Whether this set is optional
+     * @param   int     $mode       The mode by which to evaluate this set
+     */
+    public function __construct($optional = false, $mode = null)
+    {
+        $this->optional = $optional;
+        $this->requirements = array();
+        $this->setMode($mode ?: static::MODE_AND);
+    }
+
+    /**
+     * Set the state of this set
+     *
+     * @param   bool    $state
+     *
+     * @return  RequirementSet
+     */
+    public function setState($state)
+    {
+        $this->state = (bool) $state;
+        return $this;
+    }
+
+    /**
+     * Return the state of this set
+     *
+     * Alias for RequirementSet::fulfilled(true).
+     *
+     * @return  bool
+     */
+    public function getState()
+    {
+        return $this->fulfilled(true);
+    }
+
+    /**
+     * Set whether this set of requirements should be optional
+     *
+     * @param   bool    $state
+     *
+     * @return  RequirementSet
+     */
+    public function setOptional($state = true)
+    {
+        $this->optional = (bool) $state;
+        return $this;
+    }
+
+    /**
+     * Return whether this set of requirements is optional
+     *
+     * @return  bool
+     */
+    public function isOptional()
+    {
+        return $this->optional;
+    }
+
+    /**
+     * Set the mode by which to evaluate the requirements
+     *
+     * @param   int     $mode
+     *
+     * @return  RequirementSet
+     *
+     * @throws  LogicException      In case the given mode is invalid
+     */
+    public function setMode($mode)
+    {
+        if ($mode !== static::MODE_AND && $mode !== static::MODE_OR) {
+            throw new LogicException(sprintf('Invalid mode %u given.'), $mode);
+        }
+
+        $this->mode = $mode;
+        return $this;
+    }
+
+    /**
+     * Return the mode by which the requirements are evaluated
+     *
+     * @return  int
+     */
+    public function getMode()
+    {
+        return $this->mode;
+    }
+
+    /**
+     * Register a requirement
+     *
+     * @param   Requirement     $requirement    The requirement to add
+     *
+     * @return  RequirementSet
+     */
+    public function add(Requirement $requirement)
+    {
+        $merged = false;
+        foreach ($this->requirements as $knownRequirement) {
+            if ($knownRequirement instanceof Requirement && $requirement->equals($knownRequirement)) {
+                $knownRequirement->setOptional($requirement->isOptional());
+                foreach ($requirement->getDescriptions() as $description) {
+                    $knownRequirement->addDescription($description);
+                }
+
+                $merged = true;
+                break;
+            }
+        }
+
+        if (! $merged) {
+            $this->requirements[] = $requirement;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Return all registered requirements
+     *
+     * @return  array
+     */
+    public function getAll()
+    {
+        return $this->requirements;
+    }
+
+    /**
+     * Register the given set of requirements
+     *
+     * @param   RequirementSet  $set    The set to register
+     *
+     * @return  RequirementSet
+     */
+    public function merge(RequirementSet $set)
+    {
+        if ($this->getMode() === $set->getMode() && $this->isOptional() === $set->isOptional()) {
+            foreach ($set->getAll() as $requirement) {
+                if ($requirement instanceof static) {
+                    $this->merge($requirement);
+                } else {
+                    $this->add($requirement);
+                }
+            }
+        } else {
+            $this->requirements[] = $set;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Return whether all requirements can successfully be evaluated based on the current mode
+     *
+     * In case this is a optional set of requirements (and $force is false), true is returned immediately.
+     *
+     * @param   bool    $force      Whether to ignore the optionality of a set or single requirement
+     *
+     * @return  bool
+     */
+    public function fulfilled($force = false)
+    {
+        $state = $this->isOptional();
+        if (! $force && $state) {
+            return true;
+        }
+
+        if (! $force && $this->state !== null) {
+            return $this->state;
+        } elseif ($force && $this->forcedState !== null) {
+            return $this->forcedState;
+        }
+
+        $self = $this->requirements;
+        foreach ($self as $requirement) {
+            if ($requirement->getState()) {
+                $state = true;
+                if ($this->getMode() === static::MODE_OR) {
+                    break;
+                }
+            } elseif ($force || !$requirement->isOptional()) {
+                $state = false;
+                if ($this->getMode() === static::MODE_AND) {
+                    break;
+                }
+            }
+        }
+
+        if ($force) {
+            return $this->forcedState = $state;
+        }
+
+        return $this->state = $state;
+    }
+
+    /**
+     * Return whether the current element represents a nested set of requirements
+     *
+     * @return  bool
+     */
+    public function hasChildren(): bool
+    {
+        $current = $this->current();
+        return $current instanceof static;
+    }
+
+    /**
+     * Return a iterator for the current nested set of requirements
+     *
+     * @return  ?RecursiveIterator
+     */
+    public function getChildren(): ?RecursiveIterator
+    {
+        return $this->current();
+    }
+
+    /**
+     * Rewind the iterator to its first element
+     */
+    public function rewind(): void
+    {
+        reset($this->requirements);
+    }
+
+    /**
+     * Return whether the current iterator position is valid
+     *
+     * @return  bool
+     */
+    public function valid(): bool
+    {
+        return key($this->requirements) !== null;
+    }
+
+    /**
+     * Return the current element in the iteration
+     *
+     * @return  Requirement|RequirementSet
+     */
+    #[\ReturnTypeWillChange]
+    public function current()
+    {
+        return current($this->requirements);
+    }
+
+    /**
+     * Return the position of the current element in the iteration
+     *
+     * @return  int
+     */
+    public function key(): int
+    {
+        return key($this->requirements);
+    }
+
+    /**
+     * Advance the iterator to the next element
+     */
+    public function next(): void
+    {
+        next($this->requirements);
+    }
+
+    /**
+     * Return this set of requirements rendered as HTML
+     *
+     * @return  string
+     */
+    public function __toString()
+    {
+        $renderer = new RequirementsRenderer($this);
+        return (string) $renderer;
+    }
+}
diff --git a/modules/setup/library/Setup/RequirementsRenderer.php b/modules/setup/library/Setup/RequirementsRenderer.php
new file mode 100644
index 0000000..cc9392a
--- /dev/null
+++ b/modules/setup/library/Setup/RequirementsRenderer.php
@@ -0,0 +1,64 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use RecursiveIteratorIterator;
+
+class RequirementsRenderer extends RecursiveIteratorIterator
+{
+    public function beginIteration(): void
+    {
+        $this->tags[] = '<ul class="requirements">';
+    }
+
+    public function endIteration(): void
+    {
+        $this->tags[] = '</ul>';
+    }
+
+    public function beginChildren(): void
+    {
+        $this->tags[] = '<li>';
+        $currentSet = $this->getSubIterator();
+        $state = $currentSet->getState() ? 'fulfilled' : ($currentSet->isOptional() ? 'not-available' : 'missing');
+        $this->tags[] = '<ul class="set-state ' . $state . '">';
+    }
+
+    public function endChildren(): void
+    {
+        $this->tags[] = '</ul>';
+        $this->tags[] = '</li>';
+    }
+
+    public function render()
+    {
+        foreach ($this as $requirement) {
+            $this->tags[] = '<li class="clearfix">';
+            $this->tags[] = '<div class="title"><h2>' . $requirement->getTitle() . '</h2></div>';
+            $this->tags[] = '<div class="description">';
+            $descriptions = $requirement->getDescriptions();
+            if (count($descriptions) > 1) {
+                $this->tags[] = '<ul>';
+                foreach ($descriptions as $d) {
+                    $this->tags[] = '<li>' . $d . '</li>';
+                }
+                $this->tags[] = '</ul>';
+            } elseif (! empty($descriptions)) {
+                $this->tags[] = $descriptions[0];
+            }
+            $this->tags[] = '</div>';
+            $this->tags[] = '<div class="state ' . ($requirement->getState() ? 'fulfilled' : (
+                $requirement->isOptional() ? 'not-available' : 'missing'
+            )) . '">' . $requirement->getStateText() . '</div>';
+            $this->tags[] = '</li>';
+        }
+
+        return implode("\n", $this->tags);
+    }
+
+    public function __toString()
+    {
+        return $this->render();
+    }
+}
diff --git a/modules/setup/library/Setup/Setup.php b/modules/setup/library/Setup/Setup.php
new file mode 100644
index 0000000..7b0baed
--- /dev/null
+++ b/modules/setup/library/Setup/Setup.php
@@ -0,0 +1,99 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use ArrayIterator;
+use IteratorAggregate;
+use Icinga\Module\Setup\Exception\SetupException;
+use Traversable;
+
+/**
+ * Container for multiple configuration steps
+ */
+class Setup implements IteratorAggregate
+{
+    protected $steps;
+
+    protected $state;
+
+    public function __construct()
+    {
+        $this->steps = array();
+    }
+
+    public function getIterator(): Traversable
+    {
+        return new ArrayIterator($this->getSteps());
+    }
+
+    public function addStep(Step $step)
+    {
+        $this->steps[] = $step;
+    }
+
+    public function addSteps(array $steps)
+    {
+        foreach ($steps as $step) {
+            $this->addStep($step);
+        }
+    }
+
+    public function getSteps()
+    {
+        return $this->steps;
+    }
+
+    /**
+     * Run the configuration and return whether it succeeded
+     *
+     * @return  bool
+     */
+    public function run()
+    {
+        $this->state = true;
+
+        try {
+            foreach ($this->steps as $step) {
+                $this->state &= $step->apply();
+            }
+        } catch (SetupException $_) {
+            $this->state = false;
+        }
+
+        return $this->state;
+    }
+
+    /**
+     * Return a summary of all actions designated to run
+     *
+     * @return  array       An array of HTML strings
+     */
+    public function getSummary()
+    {
+        $summaries = array();
+        foreach ($this->steps as $step) {
+            $summaries[] = $step->getSummary();
+        }
+
+        return $summaries;
+    }
+
+    /**
+     * Return a report of all actions that were run
+     *
+     * @return  array       An array of arrays of strings
+     */
+    public function getReport()
+    {
+        $reports = array();
+        foreach ($this->steps as $step) {
+            $report = $step->getReport();
+            if (! empty($report)) {
+                $reports[] = $report;
+            }
+        }
+
+        return $reports;
+    }
+}
diff --git a/modules/setup/library/Setup/SetupWizard.php b/modules/setup/library/Setup/SetupWizard.php
new file mode 100644
index 0000000..c7ad0c3
--- /dev/null
+++ b/modules/setup/library/Setup/SetupWizard.php
@@ -0,0 +1,24 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+/**
+ * Interface for wizards providing a setup and requirements
+ */
+interface SetupWizard
+{
+    /**
+     * Return the setup for this wizard
+     *
+     * @return  Setup
+     */
+    public function getSetup();
+
+    /**
+     * Return the requirements of this wizard
+     *
+     * @return  RequirementSet
+     */
+    public function getRequirements();
+}
diff --git a/modules/setup/library/Setup/Step.php b/modules/setup/library/Setup/Step.php
new file mode 100644
index 0000000..1d0797d
--- /dev/null
+++ b/modules/setup/library/Setup/Step.php
@@ -0,0 +1,31 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+/**
+ * Class to implement functionality for a single setup step
+ */
+abstract class Step
+{
+    /**
+     * Apply this step's configuration changes
+     *
+     * @return  bool
+     */
+    abstract public function apply();
+
+    /**
+     * Return a HTML representation of this step's configuration changes supposed to be made
+     *
+     * @return  string
+     */
+    abstract public function getSummary();
+
+    /**
+     * Return a textual summary of all configuration changes made
+     *
+     * @return  array
+     */
+    abstract public function getReport();
+}
diff --git a/modules/setup/library/Setup/Steps/AuthenticationStep.php b/modules/setup/library/Setup/Steps/AuthenticationStep.php
new file mode 100644
index 0000000..3c6c64a
--- /dev/null
+++ b/modules/setup/library/Setup/Steps/AuthenticationStep.php
@@ -0,0 +1,238 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Steps;
+
+use Exception;
+use Icinga\Application\Config;
+use Icinga\Data\ConfigObject;
+use Icinga\Data\ResourceFactory;
+use Icinga\Exception\IcingaException;
+use Icinga\Authentication\User\DbUserBackend;
+use Icinga\Module\Setup\Step;
+
+class AuthenticationStep extends Step
+{
+    protected $data;
+
+    protected $dbError;
+
+    protected $authIniError;
+
+    protected $permIniError;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    public function apply()
+    {
+        $success = $this->createAuthenticationIni();
+        if (isset($this->data['adminAccountData']['resourceConfig'])) {
+            $success &= $this->createAccount();
+        }
+
+        $success &= $this->createRolesIni();
+        return $success;
+    }
+
+    protected function createAuthenticationIni()
+    {
+        $config = array();
+        $backendConfig = $this->data['backendConfig'];
+        $backendName = $backendConfig['name'];
+        unset($backendConfig['name']);
+        $config[$backendName] = $backendConfig;
+        if (isset($this->data['resourceName'])) {
+            $config[$backendName]['resource'] = $this->data['resourceName'];
+        }
+
+        try {
+            Config::fromArray($config)
+                ->setConfigFile(Config::resolvePath('authentication.ini'))
+                ->saveIni();
+        } catch (Exception $e) {
+            $this->authIniError = $e;
+            return false;
+        }
+
+        $this->authIniError = false;
+        return true;
+    }
+
+    protected function createRolesIni()
+    {
+        if (isset($this->data['adminAccountData']['username'])) {
+            $config = array(
+                'users'         => $this->data['adminAccountData']['username'],
+                'permissions'   => '*'
+            );
+
+            if ($this->data['backendConfig']['backend'] === 'db') {
+                $config['groups'] = mt('setup', 'Administrators', 'setup.role.name');
+            }
+        } else { // isset($this->data['adminAccountData']['groupname'])
+            $config = array(
+                'groups'        => $this->data['adminAccountData']['groupname'],
+                'permissions'   => '*'
+            );
+        }
+
+        try {
+            Config::fromArray(array(mt('setup', 'Administrators', 'setup.role.name') => $config))
+                ->setConfigFile(Config::resolvePath('roles.ini'))
+                ->saveIni();
+        } catch (Exception $e) {
+            $this->permIniError = $e;
+            return false;
+        }
+
+        $this->permIniError = false;
+        return true;
+    }
+
+    protected function createAccount()
+    {
+        try {
+            $backend = new DbUserBackend(
+                ResourceFactory::createResource(new ConfigObject($this->data['adminAccountData']['resourceConfig']))
+            );
+
+            if ($backend->select()->where('user_name', $this->data['adminAccountData']['username'])->count() === 0) {
+                $backend->insert('user', array(
+                    'user_name' => $this->data['adminAccountData']['username'],
+                    'password'  => $this->data['adminAccountData']['password'],
+                    'is_active' => true
+                ));
+                $this->dbError = false;
+            }
+        } catch (Exception $e) {
+            $this->dbError = $e;
+            return false;
+        }
+
+        return true;
+    }
+
+    public function getSummary()
+    {
+        $pageTitle = '<h2>' . mt('setup', 'Authentication', 'setup.page.title') . '</h2>';
+        $backendTitle = '<h3>' . mt('setup', 'Authentication Backend', 'setup.page.title') . '</h3>';
+        $adminTitle = '<h3>' . mt('setup', 'Administration', 'setup.page.title') . '</h3>';
+
+        $authType = $this->data['backendConfig']['backend'];
+        $backendDesc = '<p>' . sprintf(
+            mt('setup', 'Users will authenticate using %s.', 'setup.summary.auth'),
+            $authType === 'db' ? mt('setup', 'a database', 'setup.summary.auth.type') : (
+                $authType === 'ldap' || $authType === 'msldap' ? 'LDAP' : (
+                    mt('setup', 'webserver authentication', 'setup.summary.auth.type')
+                )
+            )
+        ) . '</p>';
+
+        $backendHtml = ''
+            . '<table>'
+            . '<tbody>'
+            . '<tr>'
+            . '<td><strong>' . t('Backend Name') . '</strong></td>'
+            . '<td>' . $this->data['backendConfig']['name'] . '</td>'
+            . '</tr>'
+            . ($authType === 'ldap' || $authType === 'msldap' ? (
+                '<tr>'
+                . '<td><strong>' . mt('setup', 'User Object Class') . '</strong></td>'
+                . '<td>' . ($authType === 'msldap' ? 'user' : $this->data['backendConfig']['user_class']) . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . mt('setup', 'Custom Filter') . '</strong></td>'
+                . '<td>' . (trim($this->data['backendConfig']['filter']) ?: t('None', 'auth.ldap.filter')) . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . mt('setup', 'User Name Attribute') . '</strong></td>'
+                . '<td>' . ($authType === 'msldap'
+                    ? 'sAMAccountName'
+                    : $this->data['backendConfig']['user_name_attribute']) . '</td>'
+                . '</tr>'
+            ) : ($authType === 'external' ? (
+                '<tr>'
+                . '<td><strong>' . t('Filter Pattern') . '</strong></td>'
+                . '<td>' . $this->data['backendConfig']['strip_username_regexp'] . '</td>'
+                . '</tr>'
+            ) : ''))
+            . '</tbody>'
+            . '</table>';
+
+        if (isset($this->data['adminAccountData']['username'])) {
+            $adminHtml = '<p>' . (isset($this->data['adminAccountData']['resourceConfig']) ? sprintf(
+                mt('setup', 'Administrative rights will initially be granted to a new account called "%s".'),
+                $this->data['adminAccountData']['username']
+            ) : sprintf(
+                mt('setup', 'Administrative rights will initially be granted to an existing account called "%s".'),
+                $this->data['adminAccountData']['username']
+            )) . '</p>';
+        } else { // isset($this->data['adminAccountData']['groupname'])
+            $adminHtml = '<p>' . sprintf(
+                mt('setup', 'Administrative rights will initially be granted to members of the user group "%s".'),
+                $this->data['adminAccountData']['groupname']
+            ) . '</p>';
+        }
+
+        return $pageTitle . '<div class="topic">' . $backendDesc . $backendTitle . $backendHtml . '</div>'
+            . '<div class="topic">' . $adminTitle . $adminHtml . '</div>';
+    }
+
+    public function getReport()
+    {
+        $report = array();
+
+        if ($this->authIniError === false) {
+            $report[] = sprintf(
+                mt('setup', 'Authentication configuration has been successfully written to: %s'),
+                Config::resolvePath('authentication.ini')
+            );
+        } elseif ($this->authIniError !== null) {
+            $report[] = sprintf(
+                mt('setup', 'Authentication configuration could not be written to: %s. An error occured:'),
+                Config::resolvePath('authentication.ini')
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->authIniError));
+        }
+
+        if ($this->dbError === false) {
+            $report[] = sprintf(
+                mt('setup', 'Account "%s" has been successfully created.'),
+                $this->data['adminAccountData']['username']
+            );
+        } elseif ($this->dbError !== null) {
+            $report[] = sprintf(
+                mt('setup', 'Unable to create account "%s". An error occured:'),
+                $this->data['adminAccountData']['username']
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->dbError));
+        }
+
+        if ($this->permIniError === false) {
+            $report[] = isset($this->data['adminAccountData']['username']) ? sprintf(
+                mt('setup', 'Account "%s" has been successfully defined as initial administrator.'),
+                $this->data['adminAccountData']['username']
+            ) : sprintf(
+                mt('setup', 'The members of the user group "%s" were successfully defined as initial administrators.'),
+                $this->data['adminAccountData']['groupname']
+            );
+        } elseif ($this->permIniError !== null) {
+            $report[] = isset($this->data['adminAccountData']['username']) ? sprintf(
+                mt('setup', 'Unable to define account "%s" as initial administrator. An error occured:'),
+                $this->data['adminAccountData']['username']
+            ) : sprintf(
+                mt(
+                    'setup',
+                    'Unable to define the members of the user group "%s" as initial administrators. An error occured:'
+                ),
+                $this->data['adminAccountData']['groupname']
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->permIniError));
+        }
+
+        return $report;
+    }
+}
diff --git a/modules/setup/library/Setup/Steps/DatabaseStep.php b/modules/setup/library/Setup/Steps/DatabaseStep.php
new file mode 100644
index 0000000..32b2d15
--- /dev/null
+++ b/modules/setup/library/Setup/Steps/DatabaseStep.php
@@ -0,0 +1,266 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Steps;
+
+use Exception;
+use PDOException;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Setup\Step;
+use Icinga\Module\Setup\Utils\DbTool;
+use Icinga\Module\Setup\Exception\SetupException;
+
+class DatabaseStep extends Step
+{
+    protected $data;
+
+    protected $error;
+
+    protected $messages;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+        $this->messages = array();
+    }
+
+    public function apply()
+    {
+        $resourceConfig = $this->data['resourceConfig'];
+        if (isset($this->data['adminName'])) {
+            $resourceConfig['username'] = $this->data['adminName'];
+            if (isset($this->data['adminPassword'])) {
+                $resourceConfig['password'] = $this->data['adminPassword'];
+            }
+        }
+
+        $db = new DbTool($resourceConfig);
+
+        try {
+            if ($resourceConfig['db'] === 'mysql') {
+                $this->setupMysqlDatabase($db);
+            } elseif ($resourceConfig['db'] === 'pgsql') {
+                $this->setupPgsqlDatabase($db);
+            }
+        } catch (Exception $e) {
+            $this->error = $e;
+            throw new SetupException();
+        }
+
+        $this->error = false;
+        return true;
+    }
+
+    protected function setupMysqlDatabase(DbTool $db)
+    {
+        try {
+            $db->connectToDb();
+            $this->log(
+                mt('setup', 'Successfully connected to existing database "%s"...'),
+                $this->data['resourceConfig']['dbname']
+            );
+        } catch (PDOException $_) {
+            $db->connectToHost();
+            $this->log(mt('setup', 'Creating new database "%s"...'), $this->data['resourceConfig']['dbname']);
+            $db->exec('CREATE DATABASE ' . $db->quoteIdentifier($this->data['resourceConfig']['dbname']));
+            $db->reconnect($this->data['resourceConfig']['dbname']);
+        }
+
+        if (array_search(reset($this->data['tables']), $db->listTables(), true) !== false) {
+            $this->log(mt('setup', 'Database schema already exists...'));
+        } else {
+            $this->log(mt('setup', 'Creating database schema...'));
+            $db->import($this->data['schemaPath'] . '/mysql.schema.sql');
+        }
+
+        if ($db->hasLogin($this->data['resourceConfig']['username'])) {
+            $this->log(mt('setup', 'Login "%s" already exists...'), $this->data['resourceConfig']['username']);
+        } else {
+            $this->log(mt('setup', 'Creating login "%s"...'), $this->data['resourceConfig']['username']);
+            $db->addLogin($this->data['resourceConfig']['username'], $this->data['resourceConfig']['password']);
+        }
+
+        $username = $this->data['resourceConfig']['username'];
+        if ($db->checkPrivileges($this->data['privileges'], $this->data['tables'], $username)) {
+            $this->log(
+                mt('setup', 'Required privileges were already granted to login "%s".'),
+                $this->data['resourceConfig']['username']
+            );
+        } else {
+            $this->log(
+                mt('setup', 'Granting required privileges to login "%s"...'),
+                $this->data['resourceConfig']['username']
+            );
+            $db->grantPrivileges(
+                $this->data['privileges'],
+                $this->data['tables'],
+                $this->data['resourceConfig']['username']
+            );
+        }
+    }
+
+    protected function setupPgsqlDatabase(DbTool $db)
+    {
+        try {
+            $db->connectToDb();
+            $this->log(
+                mt('setup', 'Successfully connected to existing database "%s"...'),
+                $this->data['resourceConfig']['dbname']
+            );
+        } catch (PDOException $_) {
+            $db->connectToHost();
+            $this->log(mt('setup', 'Creating new database "%s"...'), $this->data['resourceConfig']['dbname']);
+            $db->exec(sprintf(
+                "CREATE DATABASE %s WITH ENCODING 'UTF-8'",
+                $db->quoteIdentifier($this->data['resourceConfig']['dbname'])
+            ));
+            $db->reconnect($this->data['resourceConfig']['dbname']);
+        }
+
+        if (array_search(reset($this->data['tables']), $db->listTables(), true) !== false) {
+            $this->log(mt('setup', 'Database schema already exists...'));
+        } else {
+            $this->log(mt('setup', 'Creating database schema...'));
+            $db->import($this->data['schemaPath'] . '/pgsql.schema.sql');
+        }
+
+        if ($db->hasLogin($this->data['resourceConfig']['username'])) {
+            $this->log(mt('setup', 'Login "%s" already exists...'), $this->data['resourceConfig']['username']);
+        } else {
+            $this->log(mt('setup', 'Creating login "%s"...'), $this->data['resourceConfig']['username']);
+            $db->addLogin($this->data['resourceConfig']['username'], $this->data['resourceConfig']['password']);
+        }
+
+        $username = $this->data['resourceConfig']['username'];
+        if ($db->checkPrivileges($this->data['privileges'], $this->data['tables'], $username)) {
+            $this->log(
+                mt('setup', 'Required privileges were already granted to login "%s".'),
+                $this->data['resourceConfig']['username']
+            );
+        } else {
+            $this->log(
+                mt('setup', 'Granting required privileges to login "%s"...'),
+                $this->data['resourceConfig']['username']
+            );
+            $db->grantPrivileges(
+                $this->data['privileges'],
+                $this->data['tables'],
+                $this->data['resourceConfig']['username']
+            );
+        }
+    }
+
+    public function getSummary()
+    {
+        $resourceConfig = $this->data['resourceConfig'];
+        if (isset($this->data['adminName'])) {
+            $resourceConfig['username'] = $this->data['adminName'];
+            if (isset($this->data['adminPassword'])) {
+                $resourceConfig['password'] = $this->data['adminPassword'];
+            }
+        }
+
+        $db = new DbTool($resourceConfig);
+
+        try {
+            $db->connectToDb();
+            if (array_search(reset($this->data['tables']), $db->listTables(), true) === false) {
+                if ($resourceConfig['username'] !== $this->data['resourceConfig']['username']) {
+                    $message = sprintf(
+                        mt(
+                            'setup',
+                            'The database user "%s" will be used to setup the missing schema required by Icinga'
+                            . ' Web 2 in database "%s" and to grant access to it to a new login called "%s".'
+                        ),
+                        $resourceConfig['username'],
+                        $resourceConfig['dbname'],
+                        $this->data['resourceConfig']['username']
+                    );
+                } else {
+                    $message = sprintf(
+                        mt(
+                            'setup',
+                            'The database user "%s" will be used to setup the missing'
+                            . ' schema required by Icinga Web 2 in database "%s".'
+                        ),
+                        $resourceConfig['username'],
+                        $resourceConfig['dbname']
+                    );
+                }
+            } else {
+                $message = sprintf(
+                    mt('setup', 'The database "%s" already seems to be fully set up. No action required.'),
+                    $resourceConfig['dbname']
+                );
+            }
+        } catch (PDOException $_) {
+            try {
+                $db->connectToHost();
+                if ($resourceConfig['username'] !== $this->data['resourceConfig']['username']) {
+                    if ($db->hasLogin($this->data['resourceConfig']['username'])) {
+                        $message = sprintf(
+                            mt(
+                                'setup',
+                                'The database user "%s" will be used to create the missing database'
+                                . ' "%s" with the schema required by Icinga Web 2 and to grant'
+                                . ' access to it to an existing login called "%s".'
+                            ),
+                            $resourceConfig['username'],
+                            $resourceConfig['dbname'],
+                            $this->data['resourceConfig']['username']
+                        );
+                    } else {
+                        $message = sprintf(
+                            mt(
+                                'setup',
+                                'The database user "%s" will be used to create the missing database'
+                                . ' "%s" with the schema required by Icinga Web 2 and to grant'
+                                . ' access to it to a new login called "%s".'
+                            ),
+                            $resourceConfig['username'],
+                            $resourceConfig['dbname'],
+                            $this->data['resourceConfig']['username']
+                        );
+                    }
+                } else {
+                    $message = sprintf(
+                        mt(
+                            'setup',
+                            'The database user "%s" will be used to create the missing'
+                            . ' database "%s" with the schema required by Icinga Web 2.'
+                        ),
+                        $resourceConfig['username'],
+                        $resourceConfig['dbname']
+                    );
+                }
+            } catch (Exception $_) {
+                $message = mt(
+                    'setup',
+                    'No connection to database host possible. You\'ll need to setup the'
+                    . ' database with the schema required by Icinga Web 2 manually.'
+                );
+            }
+        }
+
+        return '<h2>' . mt('setup', 'Database Setup', 'setup.page.title') . '</h2><p>' . $message . '</p>';
+    }
+
+    public function getReport()
+    {
+        if ($this->error === false) {
+            $report = $this->messages;
+            $report[] = mt('setup', 'The database has been fully set up!');
+            return $report;
+        } elseif ($this->error !== null) {
+            $report = $this->messages;
+            $report[] = mt('setup', 'Failed to fully setup the database. An error occured:');
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->error));
+            return $report;
+        }
+    }
+
+    protected function log()
+    {
+        $this->messages[] = call_user_func_array('sprintf', func_get_args());
+    }
+}
diff --git a/modules/setup/library/Setup/Steps/GeneralConfigStep.php b/modules/setup/library/Setup/Steps/GeneralConfigStep.php
new file mode 100644
index 0000000..2c928f6
--- /dev/null
+++ b/modules/setup/library/Setup/Steps/GeneralConfigStep.php
@@ -0,0 +1,131 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Steps;
+
+use Exception;
+use Icinga\Application\Logger;
+use Icinga\Application\Config;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Setup\Step;
+
+class GeneralConfigStep extends Step
+{
+    protected $data;
+
+    protected $error;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    public function apply()
+    {
+        $config = array();
+        foreach ($this->data['generalConfig'] as $sectionAndPropertyName => $value) {
+            list($section, $property) = explode('_', $sectionAndPropertyName, 2);
+            $config[$section][$property] = $value;
+        }
+
+        $config['global']['config_resource'] = $this->data['resourceName'];
+
+        try {
+            Config::fromArray($config)
+                ->setConfigFile(Config::resolvePath('config.ini'))
+                ->saveIni();
+        } catch (Exception $e) {
+            $this->error = $e;
+            return false;
+        }
+
+        $this->error = false;
+        return true;
+    }
+
+    public function getSummary()
+    {
+        $pageTitle = '<h2>' . mt('setup', 'Application Configuration', 'setup.page.title') . '</h2>';
+        $generalTitle = '<h3>' . t('General', 'app.config') . '</h3>';
+        $loggingTitle = '<h3>' . t('Logging', 'app.config') . '</h3>';
+
+        $generalHtml = ''
+            . '<ul>'
+            . '<li>' . ($this->data['generalConfig']['global_show_stacktraces']
+                ? t('An exception\'s stacktrace is shown to every user by default.')
+                : t('An exception\'s stacktrace is hidden from every user by default.')
+            ) . '</li>'
+            . '<li>' . t('Preferences will be stored using a database.') . '</li>'
+            . '</ul>';
+
+        $type = $this->data['generalConfig']['logging_log'];
+        if ($type === 'none') {
+            $loggingHtml = '<p>' . mt('setup', 'Logging will be disabled.') . '</p>';
+        } else {
+            $level = $this->data['generalConfig']['logging_level'];
+
+            switch ($type) {
+                case 'php':
+                    $typeDescription = t('Webserver Log', 'app.config.logging.type');
+                    $typeSpecificHtml = '';
+                    break;
+
+                case 'syslog':
+                    $typeDescription = 'Syslog';
+                    $typeSpecificHtml = '<td><strong>' . t('Application Prefix') . '</strong></td>'
+                        . '<td>' . $this->data['generalConfig']['logging_application'] . '</td>';
+                    break;
+
+                case 'file':
+                    $typeDescription = t('File', 'app.config.logging.type');
+                    $typeSpecificHtml = '<td><strong>' . t('Filepath') . '</strong></td>'
+                        . '<td>' . $this->data['generalConfig']['logging_file'] . '</td>';
+                    break;
+            }
+
+            $loggingHtml = ''
+                . '<table>'
+                . '<tbody>'
+                . '<tr>'
+                . '<td><strong>' . t('Type', 'app.config.logging') . '</strong></td>'
+                . '<td>' . $typeDescription . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Level', 'app.config.logging') . '</strong></td>'
+                . '<td>' . ($level === Logger::$levels[Logger::ERROR] ? t('Error', 'app.config.logging.level') : (
+                    $level === Logger::$levels[Logger::WARNING] ? t('Warning', 'app.config.logging.level') : (
+                        $level === Logger::$levels[Logger::INFO] ? t('Information', 'app.config.logging.level') : (
+                            t('Debug', 'app.config.logging.level')
+                        )
+                    )
+                )) . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . $typeSpecificHtml
+                . '</tr>'
+                . '</tbody>'
+                . '</table>';
+        }
+
+        return $pageTitle . '<div class="topic">' . $generalTitle . $generalHtml . '</div>'
+            . '<div class="topic">' . $loggingTitle . $loggingHtml . '</div>';
+    }
+
+    public function getReport()
+    {
+        if ($this->error === false) {
+            return array(sprintf(
+                mt('setup', 'General configuration has been successfully written to: %s'),
+                Config::resolvePath('config.ini')
+            ));
+        } elseif ($this->error !== null) {
+            return array(
+                sprintf(
+                    mt('setup', 'General configuration could not be written to: %s. An error occured:'),
+                    Config::resolvePath('config.ini')
+                ),
+                sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->error))
+            );
+        }
+    }
+}
diff --git a/modules/setup/library/Setup/Steps/ResourceStep.php b/modules/setup/library/Setup/Steps/ResourceStep.php
new file mode 100644
index 0000000..d9daf3b
--- /dev/null
+++ b/modules/setup/library/Setup/Steps/ResourceStep.php
@@ -0,0 +1,199 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Steps;
+
+use Exception;
+use Icinga\Application\Config;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Setup\Step;
+
+class ResourceStep extends Step
+{
+    protected $data;
+
+    protected $error;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    public function apply()
+    {
+        $resourceConfig = array();
+        if (isset($this->data['dbResourceConfig'])) {
+            $dbConfig = $this->data['dbResourceConfig'];
+            $resourceName = $dbConfig['name'];
+            unset($dbConfig['name']);
+            $resourceConfig[$resourceName] = $dbConfig;
+        }
+
+        if (isset($this->data['ldapResourceConfig'])) {
+            $ldapConfig = $this->data['ldapResourceConfig'];
+            $resourceName = $ldapConfig['name'];
+            unset($ldapConfig['name']);
+            $resourceConfig[$resourceName] = $ldapConfig;
+        }
+
+        try {
+            Config::fromArray($resourceConfig)
+                ->setConfigFile(Config::resolvePath('resources.ini'))
+                ->saveIni();
+        } catch (Exception $e) {
+            $this->error = $e;
+            return false;
+        }
+
+        $this->error = false;
+        return true;
+    }
+
+    public function getSummary()
+    {
+        if (isset($this->data['dbResourceConfig']) && isset($this->data['ldapResourceConfig'])) {
+            $pageTitle = '<h2>' . mt('setup', 'Resources', 'setup.page.title') . '</h2>';
+        } else {
+            $pageTitle = '<h2>' . mt('setup', 'Resource', 'setup.page.title') . '</h2>';
+        }
+
+        if (isset($this->data['dbResourceConfig'])) {
+            $dbTitle = '<h3>' . mt('setup', 'Database', 'setup.page.title') . '</h3>';
+            $dbHtml = ''
+                . '<table>'
+                . '<tbody>'
+                . '<tr>'
+                . '<td><strong>' . t('Resource Name') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['name'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Database Type') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['db'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Host') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['host'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Port') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['port'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Database Name') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['dbname'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Username') . '</strong></td>'
+                . '<td>' . $this->data['dbResourceConfig']['username'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Password') . '</strong></td>'
+                . '<td>' . str_repeat('*', strlen($this->data['dbResourceConfig']['password'])) . '</td>'
+                . '</tr>';
+
+            if (defined('\PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT')
+                && isset($this->data['resourceConfig']['ssl_do_not_verify_server_cert'])
+                && $this->data['resourceConfig']['ssl_do_not_verify_server_cert']
+            ) {
+                $dbHtml .= ''
+                    . '<tr>'
+                    . '<td><strong>' . t('SSL Do Not Verify Server Certificate') . '</strong></td>'
+                    . '<td>' . $this->data['resourceConfig']['ssl_do_not_verify_server_cert'] . '</td>'
+                    . '</tr>';
+            }
+            if (isset($this->data['dbResourceConfig']['ssl_key']) && $this->data['dbResourceConfig']['ssl_key']) {
+                $dbHtml .= ''
+                    .'<tr>'
+                    . '<td><strong>' . t('SSL Key') . '</strong></td>'
+                    . '<td>' . $this->data['dbResourceConfig']['ssl_key'] . '</td>'
+                    . '</tr>';
+            }
+            if (isset($this->data['dbResourceConfig']['ssl_cert']) && $this->data['dbResourceConfig']['ssl_cert']) {
+                $dbHtml .= ''
+                    . '<tr>'
+                    . '<td><strong>' . t('SSL Cert') . '</strong></td>'
+                    . '<td>' . $this->data['dbResourceConfig']['ssl_cert'] . '</td>'
+                    . '</tr>';
+            }
+            if (isset($this->data['dbResourceConfig']['ssl_ca']) && $this->data['dbResourceConfig']['ssl_ca']) {
+                $dbHtml .= ''
+                    . '<tr>'
+                    . '<td><strong>' . t('CA') . '</strong></td>'
+                    . '<td>' . $this->data['dbResourceConfig']['ssl_ca'] . '</td>'
+                    . '</tr>';
+            }
+            if (isset($this->data['dbResourceConfig']['ssl_capath']) && $this->data['dbResourceConfig']['ssl_capath']) {
+                $dbHtml .= ''
+                    . '<tr>'
+                    . '<td><strong>' . t('CA Path') . '</strong></td>'
+                    . '<td>' . $this->data['dbResourceConfig']['ssl_capath'] . '</td>'
+                    . '</tr>';
+            }
+            if (isset($this->data['dbResourceConfig']['ssl_cipher']) && $this->data['dbResourceConfig']['ssl_cipher']) {
+                $dbHtml .= ''
+                    . '<tr>'
+                    . '<td><strong>' . t('Cipher') . '</strong></td>'
+                    . '<td>' . $this->data['dbResourceConfig']['ssl_cipher'] . '</td>'
+                    . '</tr>';
+            }
+
+            $dbHtml .= ''
+                . '</tbody>'
+                . '</table>';
+        }
+
+        if (isset($this->data['ldapResourceConfig'])) {
+            $ldapTitle = '<h3>LDAP</h3>';
+            $ldapHtml = ''
+                . '<table>'
+                . '<tbody>'
+                . '<tr>'
+                . '<td><strong>' . t('Resource Name') . '</strong></td>'
+                . '<td>' . $this->data['ldapResourceConfig']['name'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Host') . '</strong></td>'
+                . '<td>' . $this->data['ldapResourceConfig']['hostname'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Port') . '</strong></td>'
+                . '<td>' . $this->data['ldapResourceConfig']['port'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Root DN') . '</strong></td>'
+                . '<td>' . $this->data['ldapResourceConfig']['root_dn'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Bind DN') . '</strong></td>'
+                . '<td>' . $this->data['ldapResourceConfig']['bind_dn'] . '</td>'
+                . '</tr>'
+                . '<tr>'
+                . '<td><strong>' . t('Bind Password') . '</strong></td>'
+                . '<td>' . str_repeat('*', strlen($this->data['ldapResourceConfig']['bind_pw'])) . '</td>'
+                . '</tr>'
+                . '</tbody>'
+                . '</table>';
+        }
+
+        return $pageTitle . (isset($dbTitle) ? '<div class="topic">' . $dbTitle . $dbHtml . '</div>' : '')
+            . (isset($ldapTitle) ? '<div class="topic">' . $ldapTitle . $ldapHtml . '</div>' : '');
+    }
+
+    public function getReport()
+    {
+        if ($this->error === false) {
+            return array(sprintf(
+                mt('setup', 'Resource configuration has been successfully written to: %s'),
+                Config::resolvePath('resources.ini')
+            ));
+        } elseif ($this->error !== null) {
+            return array(
+                sprintf(
+                    mt('setup', 'Resource configuration could not be written to: %s. An error occured:'),
+                    Config::resolvePath('resources.ini')
+                ),
+                sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->error))
+            );
+        }
+    }
+}
diff --git a/modules/setup/library/Setup/Steps/UserGroupStep.php b/modules/setup/library/Setup/Steps/UserGroupStep.php
new file mode 100644
index 0000000..4aab676
--- /dev/null
+++ b/modules/setup/library/Setup/Steps/UserGroupStep.php
@@ -0,0 +1,213 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Steps;
+
+use Exception;
+use Icinga\Application\Config;
+use Icinga\Authentication\UserGroup\DbUserGroupBackend;
+use Icinga\Data\ConfigObject;
+use Icinga\Data\ResourceFactory;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Setup\Step;
+
+class UserGroupStep extends Step
+{
+    protected $data;
+
+    protected $groupError;
+
+    protected $memberError;
+
+    protected $groupIniError;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    public function apply()
+    {
+        $success = $this->createGroupsIni();
+        if (isset($this->data['resourceConfig'])) {
+            $success &= $this->createUserGroup();
+            if ($success) {
+                $success &= $this->createMembership();
+            }
+        }
+
+        return $success;
+    }
+
+    protected function createGroupsIni()
+    {
+        $config = array();
+        if (isset($this->data['groupConfig'])) {
+            $backendConfig = $this->data['groupConfig'];
+            $backendName = $backendConfig['name'];
+            unset($backendConfig['name']);
+            $config[$backendName] = $backendConfig;
+        } else {
+            $backendConfig = array(
+                'backend'   => $this->data['backendConfig']['backend'], // "db" or "msldap"
+                'resource'  => $this->data['resourceName']
+            );
+
+            if ($backendConfig['backend'] === 'msldap') {
+                $backendConfig['user_backend'] = $this->data['backendConfig']['name'];
+            }
+
+            $config[$this->data['backendConfig']['name']] = $backendConfig;
+        }
+
+        try {
+            Config::fromArray($config)
+                ->setConfigFile(Config::resolvePath('groups.ini'))
+                ->saveIni();
+        } catch (Exception $e) {
+            $this->groupIniError = $e;
+            return false;
+        }
+
+        $this->groupIniError = false;
+        return true;
+    }
+
+    protected function createUserGroup()
+    {
+        try {
+            $backend = new DbUserGroupBackend(
+                ResourceFactory::createResource(new ConfigObject($this->data['resourceConfig']))
+            );
+
+            $groupName = mt('setup', 'Administrators', 'setup.role.name');
+            if ($backend->select()->where('group_name', $groupName)->count() === 0) {
+                $backend->insert('group', array(
+                    'group_name'    => $groupName
+                ));
+                $this->groupError = false;
+            }
+        } catch (Exception $e) {
+            $this->groupError = $e;
+            return false;
+        }
+
+        return true;
+    }
+
+    protected function createMembership()
+    {
+        try {
+            $backend = new DbUserGroupBackend(
+                ResourceFactory::createResource(new ConfigObject($this->data['resourceConfig']))
+            );
+
+            $groupName = mt('setup', 'Administrators', 'setup.role.name');
+            $userName = $this->data['username'];
+            if ($backend
+                ->select()
+                ->from('group_membership')
+                ->where('group_name', $groupName)
+                ->where('user_name', $userName)
+                ->count() === 0
+            ) {
+                $backend->insert('group_membership', array(
+                    'group_name'    => $groupName,
+                    'user_name'     => $userName
+                ));
+                $this->memberError = false;
+            }
+        } catch (Exception $e) {
+            $this->memberError = $e;
+            return false;
+        }
+
+        return true;
+    }
+
+    public function getSummary()
+    {
+        if (! isset($this->data['groupConfig'])) {
+            return; // It's not necessary to show the user something he didn't configure..
+        }
+
+        $pageTitle = '<h2>' . mt('setup', 'User Groups', 'setup.page.title') . '</h2>';
+        $backendTitle = '<h3>' . mt('setup', 'User Group Backend', 'setup.page.title') . '</h3>';
+
+        $backendHtml = ''
+            . '<table>'
+            . '<tbody>'
+            . '<tr>'
+            . '<td><strong>' . t('Backend Name') . '</strong></td>'
+            . '<td>' . $this->data['groupConfig']['name'] . '</td>'
+            . '</tr>'
+            . '<tr>'
+            . '<td><strong>' . mt('setup', 'Group Object Class') . '</strong></td>'
+            . '<td>' . $this->data['groupConfig']['group_class'] . '</td>'
+            . '</tr>'
+            . '<tr>'
+            . '<td><strong>' . mt('setup', 'Custom Filter') . '</strong></td>'
+            . '<td>' . (trim($this->data['groupConfig']['group_filter']) ?: t('None', 'auth.ldap.filter')) . '</td>'
+            . '</tr>'
+            . '<tr>'
+            . '<td><strong>' . mt('setup', 'Group Name Attribute') . '</strong></td>'
+            . '<td>' . $this->data['groupConfig']['group_name_attribute'] . '</td>'
+            . '</tr>'
+            . '<tr>'
+            . '<td><strong>' . mt('setup', 'Group Member Attribute') . '</strong></td>'
+            . '<td>' . $this->data['groupConfig']['group_member_attribute'] . '</td>'
+            . '</tr>'
+            . '</tbody>'
+            . '</table>';
+
+        return $pageTitle . '<div class="topic">' . $backendTitle . $backendHtml . '</div>';
+    }
+
+    public function getReport()
+    {
+        $report = array();
+
+        if ($this->groupIniError === false) {
+            $report[] = sprintf(
+                mt('setup', 'User Group Backend configuration has been successfully written to: %s'),
+                Config::resolvePath('groups.ini')
+            );
+        } elseif ($this->groupIniError !== null) {
+            $report[] = sprintf(
+                mt('setup', 'User Group Backend configuration could not be written to: %s. An error occured:'),
+                Config::resolvePath('groups.ini')
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->groupIniError));
+        }
+
+        if ($this->groupError === false) {
+            $report[] = sprintf(
+                mt('setup', 'User Group "%s" has been successfully created.'),
+                mt('setup', 'Administrators', 'setup.role.name')
+            );
+        } elseif ($this->groupError !== null) {
+            $report[] = sprintf(
+                mt('setup', 'Unable to create user group "%s". An error occured:'),
+                mt('setup', 'Administrators', 'setup.role.name')
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->groupError));
+        }
+
+        if ($this->memberError === false) {
+            $report[] = sprintf(
+                mt('setup', 'Account "%s" has been successfully added as member to user group "%s".'),
+                $this->data['username'],
+                mt('setup', 'Administrators', 'setup.role.name')
+            );
+        } elseif ($this->memberError !== null) {
+            $report[] = sprintf(
+                mt('setup', 'Unable to add account "%s" as member to user group "%s". An error occured:'),
+                $this->data['username'],
+                mt('setup', 'Administrators', 'setup.role.name')
+            );
+            $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->memberError));
+        }
+
+        return $report;
+    }
+}
diff --git a/modules/setup/library/Setup/Utils/DbTool.php b/modules/setup/library/Setup/Utils/DbTool.php
new file mode 100644
index 0000000..5cf203e
--- /dev/null
+++ b/modules/setup/library/Setup/Utils/DbTool.php
@@ -0,0 +1,943 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Utils;
+
+use PDO;
+use PDOException;
+use LogicException;
+use Zend_Db_Adapter_Pdo_Mysql;
+use Zend_Db_Adapter_Pdo_Pgsql;
+use Icinga\Util\File;
+use Icinga\Exception\ConfigurationError;
+
+/**
+ * Utility class to ease working with databases when setting up Icinga Web 2 or one of its modules
+ */
+class DbTool
+{
+    /**
+     * The PDO database connection
+     *
+     * @var PDO
+     */
+    protected $pdoConn;
+
+    /**
+     * The Zend database adapter
+     *
+     * @var Zend_Db_Adapter_Pdo_Abstract
+     */
+    protected $zendConn;
+
+    /**
+     * The resource configuration
+     *
+     * @var array
+     */
+    protected $config;
+
+    /**
+     * Whether we are connected to the database from the resource configuration
+     *
+     * @var bool
+     */
+    protected $dbFromConfig = false;
+
+    /**
+     * GRANT privilege level identifiers
+     */
+    const GLOBAL_LEVEL = 1;
+    const PROCEDURE_LEVEL = 2;
+    const DATABASE_LEVEL = 4;
+    const TABLE_LEVEL = 8;
+    const COLUMN_LEVEL = 16;
+    const FUNCTION_LEVEL = 32;
+
+    /**
+     * All MySQL GRANT privileges with their respective level identifiers
+     *
+     * @var array
+     */
+    protected $mysqlGrantContexts = array(
+        'ALL'                       => 31,
+        'ALL PRIVILEGES'            => 31,
+        'ALTER'                     => 13,
+        'ALTER ROUTINE'             => 7,
+        'CREATE'                    => 13,
+        'CREATE ROUTINE'            => 5,
+        'CREATE TEMPORARY TABLES'   => 5,
+        'CREATE USER'               => 1,
+        'CREATE VIEW'               => 13,
+        'DELETE'                    => 13,
+        'DROP'                      => 13,
+        'EXECUTE'                   => 5, // MySQL reference states this also supports database level, 5.1.73 not though
+        'FILE'                      => 1,
+        'GRANT OPTION'              => 15,
+        'INDEX'                     => 13,
+        'INSERT'                    => 29,
+        'LOCK TABLES'               => 5,
+        'PROCESS'                   => 1,
+        'REFERENCES'                => 12,
+        'RELOAD'                    => 1,
+        'REPLICATION CLIENT'        => 1,
+        'REPLICATION SLAVE'         => 1,
+        'SELECT'                    => 29,
+        'SHOW DATABASES'            => 1,
+        'SHOW VIEW'                 => 13,
+        'SHUTDOWN'                  => 1,
+        'SUPER'                     => 1,
+        'UPDATE'                    => 29
+    );
+
+    /**
+     * All PostgreSQL GRANT privileges with their respective level identifiers
+     *
+     * @var array
+     */
+    protected $pgsqlGrantContexts = array(
+        'ALL'               => 63,
+        'ALL PRIVILEGES'    => 63,
+        'SELECT'            => 24,
+        'INSERT'            => 24,
+        'UPDATE'            => 24,
+        'DELETE'            => 8,
+        'TRUNCATE'          => 8,
+        'REFERENCES'        => 24,
+        'TRIGGER'           => 8,
+        'CREATE'            => 12,
+        'CONNECT'           => 4,
+        'TEMPORARY'         => 4,
+        'TEMP'              => 4,
+        'EXECUTE'           => 32,
+        'USAGE'             => 33,
+        'CREATEROLE'        => 1
+    );
+
+    /**
+     * Create a new DbTool
+     *
+     * @param   array   $config     The resource configuration to use
+     */
+    public function __construct(array $config)
+    {
+        if (! isset($config['port'])) {
+            // TODO: This is not quite correct, but works as it previously did. Previously empty values were not
+            //       transformed no NULL (now they are) so if the port is now null, it's been the empty string.
+            $config['port'] = '';
+        }
+
+        $this->config = $config;
+    }
+
+    /**
+     * Connect to the server
+     *
+     * @return  $this
+     */
+    public function connectToHost()
+    {
+        $this->assertHostAccess();
+
+        if ($this->config['db'] == 'pgsql') {
+            // PostgreSQL requires us to specify a database on each connection and will use
+            // the current user name as default database in cases none is provided. If
+            // that database doesn't exist (which might be the case here) it will error.
+            // Therefore, we specify the maintenance database 'postgres' as database, which
+            // is most probably present and public. (http://stackoverflow.com/q/4483139)
+            $this->connect('postgres');
+        } else {
+            $this->connect();
+        }
+
+        return $this;
+    }
+
+    /**
+     * Connect to the database
+     *
+     * @return  $this
+     */
+    public function connectToDb()
+    {
+        $this->assertHostAccess();
+        $this->assertDatabaseAccess();
+        $this->connect($this->config['dbname']);
+        return $this;
+    }
+
+    /**
+     * Assert that all configuration values exist that are required to connect to a server
+     *
+     * @throws  ConfigurationError
+     */
+    protected function assertHostAccess()
+    {
+        if (! isset($this->config['db'])) {
+            throw new ConfigurationError('Can\'t connect to database server of unknown type');
+        } elseif (! isset($this->config['host'])) {
+            throw new ConfigurationError('Can\'t connect to database server without a hostname or address');
+        } elseif (! isset($this->config['port'])) {
+            throw new ConfigurationError('Can\'t connect to database server without a port');
+        } elseif (! isset($this->config['username'])) {
+            throw new ConfigurationError('Can\'t connect to database server without a username');
+        } elseif (! isset($this->config['password'])) {
+            throw new ConfigurationError('Can\'t connect to database server without a password');
+        }
+    }
+
+    /**
+     * Assert that all configuration values exist that are required to connect to a database
+     *
+     * @throws  ConfigurationError
+     */
+    protected function assertDatabaseAccess()
+    {
+        if (! isset($this->config['dbname'])) {
+            throw new ConfigurationError('Can\'t connect to database without a valid database name');
+        }
+    }
+
+    /**
+     * Assert that a connection with a database has been established
+     *
+     * @throws  LogicException
+     */
+    protected function assertConnectedToDb()
+    {
+        if ($this->zendConn === null) {
+            throw new LogicException('Not connected to database');
+        }
+    }
+
+    /**
+     * Return whether a connection with the server has been established
+     *
+     * @return  bool
+     */
+    public function isConnected()
+    {
+        return $this->pdoConn !== null;
+    }
+
+    /**
+     * Establish a connection with the database or just the server by omitting the database name
+     *
+     * @param   string  $dbname     The name of the database to connect to
+     */
+    public function connect($dbname = null)
+    {
+        $this->pdoConnect($dbname);
+        if ($dbname !== null) {
+            $this->zendConnect($dbname);
+            $this->dbFromConfig = $dbname === $this->config['dbname'];
+        }
+    }
+
+    /**
+     * Reestablish a connection with the database or just the server by omitting the database name
+     *
+     * @param   string  $dbname     The name of the database to connect to
+     */
+    public function reconnect($dbname = null)
+    {
+        $this->pdoConn = null;
+        $this->zendConn = null;
+        $this->connect($dbname);
+    }
+
+    /**
+     * Initialize Zend database adapter
+     *
+     * @param   string  $dbname     The name of the database to connect with
+     *
+     * @throws  ConfigurationError  In case the resource type is not a supported PDO driver name
+     */
+    private function zendConnect($dbname)
+    {
+        if ($this->zendConn !== null) {
+            return;
+        }
+
+        $config = array(
+            'dbname'    => $dbname,
+            'host'      => $this->config['host'],
+            'port'      => $this->config['port'],
+            'username'  => $this->config['username'],
+            'password'  => $this->config['password']
+        );
+
+        if ($this->config['db'] === 'mysql') {
+            if (isset($this->config['use_ssl']) && $this->config['use_ssl']) {
+                $this->config['driver_options'] = array();
+                # The presence of these keys as empty strings or null cause non-ssl connections to fail
+                if ($this->config['ssl_key']) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_KEY] = $this->config['ssl_key'];
+                }
+                if ($this->config['ssl_cert']) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_CERT] = $this->config['ssl_cert'];
+                }
+                if ($this->config['ssl_ca']) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_CA] = $this->config['ssl_ca'];
+                }
+                if ($this->config['ssl_capath']) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_CAPATH] = $this->config['ssl_capath'];
+                }
+                if ($this->config['ssl_cipher']) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_CIPHER] = $this->config['ssl_cipher'];
+                }
+                if (defined('PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT')
+                    && $this->config['ssl_do_not_verify_server_cert']
+                ) {
+                    $config['driver_options'][PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = false;
+                }
+            }
+            $this->zendConn = new Zend_Db_Adapter_Pdo_Mysql($config);
+        } elseif ($this->config['db'] === 'pgsql') {
+            $this->zendConn = new Zend_Db_Adapter_Pdo_Pgsql($config);
+        } else {
+            throw new ConfigurationError(
+                'Failed to connect to database. Unsupported PDO driver "%s"',
+                $this->config['db']
+            );
+        }
+
+        $this->zendConn->getConnection(); // Force connection attempt
+    }
+
+    /**
+     * Initialize PDO connection
+     *
+     * @param   string  $dbname     The name of the database to connect with
+     */
+    private function pdoConnect($dbname)
+    {
+        if ($this->pdoConn !== null) {
+            return;
+        }
+
+        $driverOptions = array(
+            PDO::ATTR_TIMEOUT => 1,
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
+        );
+
+        if ($this->config['db'] === 'mysql'
+            && isset($this->config['use_ssl'])
+            && $this->config['use_ssl']
+        ) {
+            # The presence of these keys as empty strings or null cause non-ssl connections to fail
+            if ($this->config['ssl_key']) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_KEY] = $this->config['ssl_key'];
+            }
+            if ($this->config['ssl_cert']) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_CERT] = $this->config['ssl_cert'];
+            }
+            if ($this->config['ssl_ca']) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_CA] = $this->config['ssl_ca'];
+            }
+            if ($this->config['ssl_capath']) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_CAPATH] = $this->config['ssl_capath'];
+            }
+            if ($this->config['ssl_cipher']) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_CIPHER] = $this->config['ssl_cipher'];
+            }
+            if (defined('PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT')
+                && $this->config['ssl_do_not_verify_server_cert']
+            ) {
+                $driverOptions[PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = false;
+            }
+        }
+
+        $this->pdoConn = new PDO(
+            $this->buildDsn($this->config['db'], $dbname),
+            $this->config['username'],
+            $this->config['password'],
+            $driverOptions
+        );
+    }
+
+    /**
+     * Return a datasource name for the given database type and name
+     *
+     * @param   string      $dbtype
+     * @param   string      $dbname
+     *
+     * @return  string
+     *
+     * @throws  ConfigurationError      In case the passed database type is not supported
+     */
+    protected function buildDsn($dbtype, $dbname = null)
+    {
+        if ($dbtype === 'mysql') {
+            return 'mysql:host=' . $this->config['host'] . ';port=' . $this->config['port']
+                . ($dbname !== null ? ';dbname=' . $dbname : '');
+        } elseif ($dbtype === 'pgsql') {
+            return 'pgsql:host=' . $this->config['host'] . ';port=' . $this->config['port']
+                . ($dbname !== null ? ';dbname=' . $dbname : '');
+        } else {
+            throw new ConfigurationError(
+                'Failed to build data source name. Unsupported PDO driver "%s"',
+                $dbtype
+            );
+        }
+    }
+
+    /**
+     * Try to connect to the server and throw an exception if this fails
+     *
+     * @throws  PDOException    In case an error occurs that does not indicate that authentication failed
+     */
+    public function checkConnectivity()
+    {
+        try {
+            $this->connectToHost();
+        } catch (PDOException $e) {
+            if ($this->config['db'] === 'mysql') {
+                $code = $e->getCode();
+                /*
+                 * 1040 .. Too many connections
+                 * 1045 .. Access denied for user '%s'@'%s' (using password: %s)
+                 * 1698 .. Access denied for user '%s'@'%s'
+                 */
+                if ($code !== 1040 && $code !== 1045 && $code !== 1698) {
+                    throw $e;
+                }
+            } elseif ($this->config['db'] === 'pgsql') {
+                if (strpos($e->getMessage(), $this->config['username']) === false) {
+                    throw $e;
+                }
+            }
+        }
+    }
+
+    /**
+     * Return the given identifier escaped with backticks
+     *
+     * @param   string  $identifier     The identifier to escape
+     *
+     * @return  string
+     *
+     * @throws  LogicException          In case there is no behaviour implemented for the current PDO driver
+     */
+    public function quoteIdentifier($identifier)
+    {
+        if ($this->config['db'] === 'mysql') {
+            return '`' . str_replace('`', '``', $identifier) . '`';
+        } elseif ($this->config['db'] === 'pgsql') {
+            return '"' . str_replace('"', '""', $identifier) . '"';
+        } else {
+            throw new LogicException('Unable to quote identifier.');
+        }
+    }
+
+    /**
+     * Return the given table name with all wildcards being escaped
+     *
+     * @param   string  $tableName
+     *
+     * @return  string
+     *
+     * @throws  LogicException          In case there is no behaviour implemented for the current PDO driver
+     */
+    public function escapeTableWildcards($tableName)
+    {
+        if ($this->config['db'] === 'mysql') {
+            return str_replace(array('_', '%'), array('\_', '\%'), $tableName);
+        }
+
+        throw new LogicException('Unable to escape table wildcards.');
+    }
+
+    /**
+     * Return the given value escaped as string
+     *
+     * @param   mixed  $value       The value to escape
+     *
+     * @return  string
+     *
+     * @throws  LogicException      In case there is no behaviour implemented for the current PDO driver
+     */
+    public function quote($value)
+    {
+        $quoted = $this->pdoConn->quote($value);
+        if ($quoted === false) {
+            throw new LogicException(sprintf('Unable to quote value: %s', $value));
+        }
+
+        return $quoted;
+    }
+
+    /**
+     * Execute a SQL statement and return the affected row count
+     *
+     * Use $params to use a prepared statement.
+     *
+     * @param   string  $statement  The statement to execute
+     * @param   array   $params     The params to bind
+     *
+     * @return  int
+     */
+    public function exec($statement, $params = array())
+    {
+        if (empty($params)) {
+            return $this->pdoConn->exec($statement);
+        }
+
+        $stmt = $this->pdoConn->prepare($statement);
+        $stmt->execute($params);
+        return $stmt->rowCount();
+    }
+
+    /**
+     * Execute a SQL statement and return the result
+     *
+     * Use $params to use a prepared statement.
+     *
+     * @param   string  $statement  The statement to execute
+     * @param   array   $params     The params to bind
+     *
+     * @return  mixed
+     */
+    public function query($statement, $params = array())
+    {
+        if ($this->zendConn !== null) {
+            return $this->zendConn->query($statement, $params);
+        }
+
+        if (empty($params)) {
+            return $this->pdoConn->query($statement);
+        }
+
+        $stmt = $this->pdoConn->prepare($statement);
+        $stmt->execute($params);
+        return $stmt;
+    }
+
+    /**
+     * Return the version of the server currently connected to
+     *
+     * @return  string|null
+     */
+    public function getServerVersion()
+    {
+        if ($this->config['db'] === 'mysql') {
+            return $this->query('show variables like "version"')->fetchColumn(1) ?: null;
+        } elseif ($this->config['db'] === 'pgsql') {
+            return $this->query('show server_version')->fetchColumn() ?: null;
+        } else {
+            throw new LogicException(
+                sprintf('Unable to fetch the server\'s version. Unsupported PDO driver "%s"', $this->config['db'])
+            );
+        }
+    }
+
+    /**
+     * Import the given SQL file
+     *
+     * @param   string  $filepath   The file to import
+     */
+    public function import($filepath)
+    {
+        $file = new File($filepath);
+        $content = join(PHP_EOL, iterator_to_array($file)); // There is no fread() before PHP 5.5 :(
+
+        foreach (preg_split('@;(?! \\\\)@', $content) as $statement) {
+            if (($statement = trim($statement)) !== '') {
+                $this->exec($statement);
+            }
+        }
+    }
+
+    /**
+     * Return whether the given privileges were granted
+     *
+     * @param   array   $privileges     An array of strings with the required privilege names
+     * @param   array   $context        An array describing the context for which the given privileges need to apply.
+     *                                  Only one or more table names are currently supported
+     * @param   string  $username       The login name for which to check the privileges,
+     *                                  if NULL the current login is used
+     *
+     * @return  bool
+     */
+    public function checkPrivileges(array $privileges, array $context = null, $username = null)
+    {
+        if ($this->config['db'] === 'mysql') {
+            return $this->checkMysqlPrivileges($privileges, false, $context, $username);
+        } elseif ($this->config['db'] === 'pgsql') {
+            return $this->checkPgsqlPrivileges($privileges, false, $context, $username);
+        }
+    }
+
+    /**
+     * Return whether the given privileges are grantable to other users
+     *
+     * @param   array   $privileges     The privileges that should be grantable
+     *
+     * @return  bool
+     */
+    public function isGrantable($privileges)
+    {
+        if ($this->config['db'] === 'mysql') {
+            return $this->checkMysqlPrivileges($privileges, true);
+        } elseif ($this->config['db'] === 'pgsql') {
+            return $this->checkPgsqlPrivileges($privileges, true);
+        }
+    }
+
+    /**
+     * Grant all given privileges to the given user
+     *
+     * @param   array   $privileges     The privilege names to grant
+     * @param   array   $context        An array describing the context for which the given privileges need to apply.
+     *                                  Only one or more table names are currently supported
+     * @param   string  $username       The username to grant the privileges to
+     */
+    public function grantPrivileges(array $privileges, array $context, $username)
+    {
+        if ($this->config['db'] === 'mysql') {
+            list($_, $host) = explode('@', $this->query('select current_user()')->fetchColumn());
+            $quotedDbName = $this->quoteIdentifier($this->config['dbname']);
+
+            $grant = 'GRANT %s';
+            $on = ' ON %s.%s';
+            $to = sprintf(
+                ' TO %s@%s',
+                $this->quoteIdentifier($username),
+                $this->quoteIdentifier($host)
+            );
+
+            $dbPrivileges = array();
+            $tablePrivileges = array();
+            foreach (array_intersect($privileges, array_keys($this->mysqlGrantContexts)) as $privilege) {
+                if (! empty($context) && $this->mysqlGrantContexts[$privilege] & static::TABLE_LEVEL) {
+                    $tablePrivileges[] = $privilege;
+                } elseif ($this->mysqlGrantContexts[$privilege] & static::DATABASE_LEVEL) {
+                    $dbPrivileges[] = $privilege;
+                }
+            }
+
+            if (! empty($tablePrivileges)) {
+                $tableGrant = sprintf($grant, join(',', $tablePrivileges));
+                foreach ($context as $table) {
+                    $this->exec($tableGrant . sprintf($on, $quotedDbName, $this->quoteIdentifier($table)) . $to);
+                }
+            }
+
+            if (! empty($dbPrivileges)) {
+                $this->exec(
+                    sprintf($grant, join(',', $dbPrivileges))
+                    . sprintf($on, $this->escapeTableWildcards($quotedDbName), '*')
+                    . $to
+                );
+            }
+        } elseif ($this->config['db'] === 'pgsql') {
+            $dbPrivileges = array();
+            $tablePrivileges = array();
+            foreach (array_intersect($privileges, array_keys($this->pgsqlGrantContexts)) as $privilege) {
+                if (! empty($context) && $this->pgsqlGrantContexts[$privilege] & static::TABLE_LEVEL) {
+                    $tablePrivileges[] = $privilege;
+                } elseif ($this->pgsqlGrantContexts[$privilege] & static::DATABASE_LEVEL) {
+                    $dbPrivileges[] = $privilege;
+                }
+            }
+
+            if (! empty($dbPrivileges)) {
+                $this->exec(sprintf(
+                    'GRANT %s ON DATABASE %s TO %s',
+                    join(',', $dbPrivileges),
+                    $this->config['dbname'],
+                    $username
+                ));
+            }
+
+            if (! empty($tablePrivileges)) {
+                foreach ($context as $table) {
+                    $this->exec(sprintf(
+                        'GRANT %s ON TABLE %s TO %s',
+                        join(',', $tablePrivileges),
+                        $table,
+                        $username
+                    ));
+                }
+            }
+        }
+    }
+
+    /**
+     * Return a list of all existing database tables
+     *
+     * @return  array
+     */
+    public function listTables()
+    {
+        $this->assertConnectedToDb();
+        return $this->zendConn->listTables();
+    }
+
+    /**
+     * Return whether the given database login exists
+     *
+     * @param   string  $username   The username to search
+     *
+     * @return  bool
+     */
+    public function hasLogin($username)
+    {
+        if ($this->config['db'] === 'mysql') {
+            $queryString = <<<EOD
+SELECT 1
+ FROM information_schema.user_privileges
+ WHERE grantee = REPLACE(CONCAT("'", REPLACE(CURRENT_USER(), '@', "'@'"), "'"), :current, :wanted)
+EOD;
+
+            $query = $this->query(
+                $queryString,
+                array(
+                    ':current'  => $this->config['username'],
+                    ':wanted'   => $username
+                )
+            );
+            return count($query->fetchAll()) > 0;
+        } elseif ($this->config['db'] === 'pgsql') {
+            $query = $this->query(
+                'SELECT 1 FROM pg_catalog.pg_user WHERE usename = :ident LIMIT 1',
+                array(':ident' => $username)
+            );
+            return count($query->fetchAll()) === 1;
+        }
+    }
+
+    /**
+     * Add a new database login
+     *
+     * @param   string  $username   The username of the new login
+     * @param   string  $password   The password of the new login
+     */
+    public function addLogin($username, $password)
+    {
+        if ($this->config['db'] === 'mysql') {
+            list($_, $host) = explode('@', $this->query('select current_user()')->fetchColumn());
+            $this->exec(
+                'CREATE USER :user@:host IDENTIFIED BY :passw',
+                array(':user' => $username, ':host' => $host, ':passw' => $password)
+            );
+        } elseif ($this->config['db'] === 'pgsql') {
+            $this->exec(sprintf(
+                'CREATE USER %s WITH PASSWORD %s',
+                $this->quoteIdentifier($username),
+                $this->quote($password)
+            ));
+        }
+    }
+
+    /**
+     * Check whether the current user has the given privileges
+     *
+     * @param   array   $privileges     The privilege names
+     * @param   bool    $requireGrants  Only return true when all privileges can be granted to others
+     * @param   array   $context        An array describing the context for which the given privileges need to apply.
+     *                                  Only one or more table names are currently supported
+     * @param   string  $username       The login name to which the passed privileges need to be granted
+     *
+     * @return  bool
+     */
+    protected function checkMysqlPrivileges(
+        array $privileges,
+        $requireGrants = false,
+        array $context = null,
+        $username = null
+    ) {
+        $mysqlPrivileges = array_intersect($privileges, array_keys($this->mysqlGrantContexts));
+        list($_, $host) = explode('@', $this->query('select current_user()')->fetchColumn());
+        $grantee = "'" . ($username === null ? $this->config['username'] : $username) . "'@'" . $host . "'";
+
+        if (isset($this->config['dbname'])) {
+            $dbPrivileges = array();
+            $tablePrivileges = array();
+            foreach ($mysqlPrivileges as $privilege) {
+                if (! empty($context) && $this->mysqlGrantContexts[$privilege] & static::TABLE_LEVEL) {
+                    $tablePrivileges[] = $privilege;
+                }
+                if ($this->mysqlGrantContexts[$privilege] & static::DATABASE_LEVEL) {
+                    $dbPrivileges[] = $privilege;
+                }
+            }
+
+            $dbPrivilegesGranted = true;
+            $tablePrivilegesGranted = true;
+
+            if (! empty($dbPrivileges)) {
+                $queryString = 'SELECT COUNT(*) as matches'
+                    . ' FROM information_schema.schema_privileges'
+                    . ' WHERE grantee = :grantee'
+                    . ' AND table_schema = :dbname'
+                    . ' AND privilege_type IN (%s)'
+                    . ($requireGrants ? " AND is_grantable = 'YES'" : '');
+
+                $dbAndTableQuery = $this->query(
+                    sprintf($queryString, join(',', array_map(array($this, 'quote'), $dbPrivileges))),
+                    array(':grantee' => $grantee, ':dbname' => $this->escapeTableWildcards($this->config['dbname']))
+                );
+                $grantedDbAndTablePrivileges = (int) $dbAndTableQuery->fetchObject()->matches;
+                if ($grantedDbAndTablePrivileges === count($dbPrivileges)) {
+                    $tableExclusivePrivileges = array_diff($tablePrivileges, $dbPrivileges);
+                    if (! empty($tableExclusivePrivileges)) {
+                        $tablePrivileges = $tableExclusivePrivileges;
+                        $tablePrivilegesGranted = false;
+                    }
+                } else {
+                    $tablePrivilegesGranted = false;
+                    $dbExclusivePrivileges = array_diff($dbPrivileges, $tablePrivileges);
+                    if (! empty($dbExclusivePrivileges)) {
+                        $dbExclusiveQuery = $this->query(
+                            sprintf($queryString, join(',', array_map(array($this, 'quote'), $dbExclusivePrivileges))),
+                            array(
+                                ':grantee'  => $grantee,
+                                ':dbname'   => $this->escapeTableWildcards($this->config['dbname'])
+                            )
+                        );
+                        $dbPrivilegesGranted = (int) $dbExclusiveQuery->fetchObject()->matches === count(
+                            $dbExclusivePrivileges
+                        );
+                    }
+                }
+            }
+
+            if (! $tablePrivilegesGranted && !empty($tablePrivileges)) {
+                $query = $this->query(
+                    'SELECT COUNT(*) as matches'
+                    . ' FROM information_schema.table_privileges'
+                    . ' WHERE grantee = :grantee'
+                    . ' AND table_schema = :dbname'
+                    . ' AND table_name IN (' . join(',', array_map(array($this, 'quote'), $context)) . ')'
+                    . ' AND privilege_type IN (' . join(',', array_map(array($this, 'quote'), $tablePrivileges)) . ')'
+                    . ($requireGrants ? " AND is_grantable = 'YES'" : ''),
+                    array(':grantee' => $grantee, ':dbname' => $this->config['dbname'])
+                );
+                $expectedAmountOfMatches = count($context) * count($tablePrivileges);
+                $tablePrivilegesGranted = (int) $query->fetchObject()->matches === $expectedAmountOfMatches;
+            }
+
+            if ($dbPrivilegesGranted && $tablePrivilegesGranted) {
+                return true;
+            }
+        }
+
+        $query = $this->query(
+            'SELECT COUNT(*) as matches FROM information_schema.user_privileges WHERE grantee = :grantee'
+            . ' AND privilege_type IN (' . join(',', array_map(array($this, 'quote'), $mysqlPrivileges)) . ')'
+            . ($requireGrants ? " AND is_grantable = 'YES'" : ''),
+            array(':grantee' => $grantee)
+        );
+        return (int) $query->fetchObject()->matches === count($mysqlPrivileges);
+    }
+
+    /**
+     * Check whether the current user has the given privileges
+     *
+     * Note that database and table specific privileges (i.e. not SUPER, CREATE and CREATEROLE) are ignored
+     * in case no connection to the database defined in the resource configuration has been established
+     *
+     * @param   array   $privileges     The privilege names
+     * @param   bool    $requireGrants  Only return true when all privileges can be granted to others
+     * @param   array   $context        An array describing the context for which the given privileges need to apply.
+     *                                  Only one or more table names are currently supported
+     * @param   string  $username       The login name to which the passed privileges need to be granted
+     *
+     * @return  bool
+     */
+    public function checkPgsqlPrivileges(
+        array $privileges,
+        $requireGrants = false,
+        array $context = null,
+        $username = null
+    ) {
+        $privilegesGranted = true;
+        if ($this->dbFromConfig) {
+            $dbPrivileges = array();
+            $tablePrivileges = array();
+            foreach (array_intersect($privileges, array_keys($this->pgsqlGrantContexts)) as $privilege) {
+                if (! empty($context) && $this->pgsqlGrantContexts[$privilege] & static::TABLE_LEVEL) {
+                    $tablePrivileges[] = $privilege;
+                }
+                if ($this->pgsqlGrantContexts[$privilege] & static::DATABASE_LEVEL) {
+                    $dbPrivileges[] = $privilege;
+                }
+            }
+
+            if (! empty($dbPrivileges)) {
+                $dbExclusivesGranted = true;
+                foreach ($dbPrivileges as $dbPrivilege) {
+                    $query = $this->query(
+                        'SELECT has_database_privilege(:user, :dbname, :privilege) AS db_privilege_granted',
+                        array(
+                            ':user'         => $username !== null ? $username : $this->config['username'],
+                            ':dbname'       => $this->config['dbname'],
+                            ':privilege'    => $dbPrivilege . ($requireGrants ? ' WITH GRANT OPTION' : '')
+                        )
+                    );
+                    if (! $query->fetchObject()->db_privilege_granted) {
+                        $privilegesGranted = false;
+                        if (! in_array($dbPrivilege, $tablePrivileges)) {
+                            $dbExclusivesGranted = false;
+                        }
+                    }
+                }
+
+                if ($privilegesGranted) {
+                    // Do not check privileges twice if they are already granted at database level
+                    $tablePrivileges = array_diff($tablePrivileges, $dbPrivileges);
+                } elseif ($dbExclusivesGranted) {
+                    $privilegesGranted = true;
+                }
+            }
+
+            if ($privilegesGranted && !empty($tablePrivileges)) {
+                foreach (array_intersect($context, $this->listTables()) as $table) {
+                    foreach ($tablePrivileges as $tablePrivilege) {
+                        $query = $this->query(
+                            'SELECT has_table_privilege(:user, :table, :privilege) AS table_privilege_granted',
+                            array(
+                                ':user'         => $username !== null ? $username : $this->config['username'],
+                                ':table'        => $table,
+                                ':privilege'    => $tablePrivilege . ($requireGrants ? ' WITH GRANT OPTION' : '')
+                            )
+                        );
+                        $privilegesGranted &= $query->fetchObject()->table_privilege_granted;
+                    }
+                }
+            }
+        } else {
+            // In case we cannot check whether the user got the required db-/table-privileges due to not being
+            // connected to the database defined in the resource configuration it is safe to just ignore them
+            // as the chances are very high that the database is created later causing the current user being
+            // the owner with ALL privileges. (Which in turn can be granted to others.)
+
+            if (array_search('CREATE', $privileges, true) !== false) {
+                $query = $this->query(
+                    'select rolcreatedb from pg_roles where rolname = :user',
+                    array(':user' => $username !== null ? $username : $this->config['username'])
+                );
+                $privilegesGranted &= $query->fetchColumn() !== false;
+            }
+        }
+
+        if (array_search('CREATEROLE', $privileges, true) !== false) {
+            $query = $this->query(
+                'select rolcreaterole from pg_roles where rolname = :user',
+                array(':user' => $username !== null ? $username : $this->config['username'])
+            );
+            $privilegesGranted &= $query->fetchColumn() !== false;
+        }
+
+        if (array_search('SUPER', $privileges, true) !== false) {
+            $query = $this->query(
+                'select rolsuper from pg_roles where rolname = :user',
+                array(':user' => $username !== null ? $username : $this->config['username'])
+            );
+            $privilegesGranted &= $query->fetchColumn() !== false;
+        }
+
+        return (bool) $privilegesGranted;
+    }
+}
diff --git a/modules/setup/library/Setup/Utils/EnableModuleStep.php b/modules/setup/library/Setup/Utils/EnableModuleStep.php
new file mode 100644
index 0000000..92af5b7
--- /dev/null
+++ b/modules/setup/library/Setup/Utils/EnableModuleStep.php
@@ -0,0 +1,77 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Utils;
+
+use Exception;
+use Icinga\Application\Icinga;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Setup\Step;
+
+class EnableModuleStep extends Step
+{
+    protected $modulePaths;
+
+    protected $moduleNames;
+
+    protected $errors;
+
+    protected $warnings;
+
+    public function __construct(array $moduleNames)
+    {
+        $this->moduleNames = $moduleNames;
+
+        $this->modulePaths = array();
+        if (($appModulePath = realpath(Icinga::app()->getApplicationDir() . '/../modules')) !== false) {
+            $this->modulePaths[] = $appModulePath;
+        }
+    }
+
+    public function apply()
+    {
+        $moduleManager = Icinga::app()->getModuleManager();
+        $moduleManager->detectInstalledModules($this->modulePaths);
+
+        $success = true;
+        foreach ($this->moduleNames as $moduleName) {
+            try {
+                $moduleManager->enableModule($moduleName);
+            } catch (ConfigurationError $e) {
+                $this->warnings[$moduleName] = $e;
+            } catch (Exception $e) {
+                $this->errors[$moduleName] = $e;
+                $success = false;
+            }
+        }
+
+        return $success;
+    }
+
+    public function getSummary()
+    {
+        // Enabling a module is like a implicit action, which does not need to be shown to the user...
+    }
+
+    public function getReport()
+    {
+        $okMessage = mt('setup', 'Module "%s" has been successfully enabled.');
+        $failMessage = mt('setup', 'Module "%s" could not be enabled. An error occured:');
+
+        $report = array();
+        foreach ($this->moduleNames as $moduleName) {
+            if (isset($this->errors[$moduleName])) {
+                $report[] = sprintf($failMessage, $moduleName);
+                $report[] = sprintf(mt('setup', 'ERROR: %s'), IcingaException::describe($this->errors[$moduleName]));
+            } elseif (isset($this->warnings[$moduleName])) {
+                $report[] = sprintf($failMessage, $moduleName);
+                $report[] = sprintf(mt('setup', 'WARNING: %s'), $this->warnings[$moduleName]->getMessage());
+            } else {
+                $report[] = sprintf($okMessage, $moduleName);
+            }
+        }
+
+        return $report;
+    }
+}
diff --git a/modules/setup/library/Setup/Web/Form/Validator/TokenValidator.php b/modules/setup/library/Setup/Web/Form/Validator/TokenValidator.php
new file mode 100644
index 0000000..a3f218b
--- /dev/null
+++ b/modules/setup/library/Setup/Web/Form/Validator/TokenValidator.php
@@ -0,0 +1,73 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Web\Form\Validator;
+
+use Exception;
+use Zend_Validate_Abstract;
+use Icinga\Util\File;
+
+/**
+ * Validator that checks if a token matches with the contents of a corresponding token-file
+ */
+class TokenValidator extends Zend_Validate_Abstract
+{
+    /**
+     * The path to the token file
+     *
+     * @var string
+     */
+    protected $tokenPath;
+
+    /**
+     * Create a new TokenValidator
+     *
+     * @param   string      $tokenPath      The path to the token-file
+     */
+    public function __construct($tokenPath)
+    {
+        $this->tokenPath = $tokenPath;
+        $this->_messageTemplates = array(
+            'TOKEN_FILE_ERROR'  => sprintf(
+                mt('setup', 'Cannot validate token: %s (%s)'),
+                $tokenPath,
+                '%value%'
+            ),
+            'TOKEN_FILE_EMPTY'  => sprintf(
+                mt('setup', 'Cannot validate token, file "%s" is empty. Please define a token.'),
+                $tokenPath
+            ),
+            'TOKEN_INVALID'     => mt('setup', 'Invalid token supplied.')
+        );
+    }
+
+    /**
+     * Validate the given token with the one in the token-file
+     *
+     * @param   string  $value      The token to validate
+     * @param   null    $context    The form context (ignored)
+     *
+     * @return  bool
+     */
+    public function isValid($value, $context = null)
+    {
+        try {
+            $file = new File($this->tokenPath);
+            $expectedToken = trim($file->fgets());
+        } catch (Exception $e) {
+            $msg = $e->getMessage();
+            $this->_error('TOKEN_FILE_ERROR', substr($msg, strpos($msg, ']: ') + 3));
+            return false;
+        }
+
+        if (empty($expectedToken)) {
+            $this->_error('TOKEN_FILE_EMPTY');
+            return false;
+        } elseif ($value !== $expectedToken) {
+            $this->_error('TOKEN_INVALID');
+            return false;
+        }
+
+        return true;
+    }
+}
diff --git a/modules/setup/library/Setup/WebWizard.php b/modules/setup/library/Setup/WebWizard.php
new file mode 100644
index 0000000..f25be55
--- /dev/null
+++ b/modules/setup/library/Setup/WebWizard.php
@@ -0,0 +1,752 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement\SetRequirement;
+use Icinga\Module\Setup\Requirement\WebLibraryRequirement;
+use PDOException;
+use Icinga\Web\Form;
+use Icinga\Web\Wizard;
+use Icinga\Web\Request;
+use Icinga\Application\Config;
+use Icinga\Application\Icinga;
+use Icinga\Module\Setup\Forms\ModulePage;
+use Icinga\Module\Setup\Forms\WelcomePage;
+use Icinga\Module\Setup\Forms\SummaryPage;
+use Icinga\Module\Setup\Forms\DbResourcePage;
+use Icinga\Module\Setup\Forms\AuthBackendPage;
+use Icinga\Module\Setup\Forms\AdminAccountPage;
+use Icinga\Module\Setup\Forms\LdapDiscoveryPage;
+//use Icinga\Module\Setup\Forms\LdapDiscoveryConfirmPage;
+use Icinga\Module\Setup\Forms\LdapResourcePage;
+use Icinga\Module\Setup\Forms\RequirementsPage;
+use Icinga\Module\Setup\Forms\GeneralConfigPage;
+use Icinga\Module\Setup\Forms\AuthenticationPage;
+use Icinga\Module\Setup\Forms\DatabaseCreationPage;
+use Icinga\Module\Setup\Forms\UserGroupBackendPage;
+use Icinga\Module\Setup\Steps\DatabaseStep;
+use Icinga\Module\Setup\Steps\GeneralConfigStep;
+use Icinga\Module\Setup\Steps\ResourceStep;
+use Icinga\Module\Setup\Steps\AuthenticationStep;
+use Icinga\Module\Setup\Steps\UserGroupStep;
+use Icinga\Module\Setup\Utils\EnableModuleStep;
+use Icinga\Module\Setup\Utils\DbTool;
+use Icinga\Module\Setup\Requirement\OSRequirement;
+use Icinga\Module\Setup\Requirement\PhpModuleRequirement;
+use Icinga\Module\Setup\Requirement\PhpVersionRequirement;
+use Icinga\Module\Setup\Requirement\ConfigDirectoryRequirement;
+use Icinga\Module\Monitoring\Forms\Config\Transport\ApiTransportForm;
+
+/**
+ * Icinga Web 2 Setup Wizard
+ */
+class WebWizard extends Wizard implements SetupWizard
+{
+    /**
+     * The privileges required by Icinga Web 2 to create the database and a login
+     *
+     * @var array
+     */
+    protected $databaseCreationPrivileges = array(
+        'CREATE',
+        'CREATE USER', // MySQL
+        'CREATEROLE' // PostgreSQL
+    );
+
+    /**
+     * The privileges required by Icinga Web 2 to setup the database
+     *
+     * @var array
+     */
+    protected $databaseSetupPrivileges = array(
+        'CREATE',
+        'ALTER', // MySQL only
+        'REFERENCES'
+    );
+
+    /**
+     * The privileges required by Icinga Web 2 to operate the database
+     *
+     * @var array
+     */
+    protected $databaseUsagePrivileges = array(
+        'SELECT',
+        'INSERT',
+        'UPDATE',
+        'DELETE',
+        'EXECUTE',
+        'TEMPORARY', // PostgreSql
+        'CREATE TEMPORARY TABLES' // MySQL
+    );
+
+    /**
+     * The database tables operated by Icinga Web 2
+     *
+     * @var array
+     */
+    protected $databaseTables = array(
+        'icingaweb_group',
+        'icingaweb_group_membership',
+        'icingaweb_user',
+        'icingaweb_user_preference',
+        'icingaweb_rememberme'
+    );
+
+    /**
+     * Register all pages and module wizards for this wizard
+     */
+    protected function init()
+    {
+        $this->addPage(new WelcomePage());
+        $this->addPage(new ModulePage());
+        $this->addPage(new RequirementsPage());
+        $this->addPage(new AuthenticationPage());
+        $this->addPage(new DbResourcePage(array('name' => 'setup_auth_db_resource')));
+        $this->addPage(new DatabaseCreationPage(array('name' => 'setup_auth_db_creation')));
+        $this->addPage(new LdapDiscoveryPage());
+        //$this->addPage(new LdapDiscoveryConfirmPage());
+        $this->addPage(new LdapResourcePage());
+        $this->addPage(new AuthBackendPage());
+        $this->addPage(new UserGroupBackendPage());
+        $this->addPage(new AdminAccountPage());
+        $this->addPage(new GeneralConfigPage());
+        $this->addPage(new DbResourcePage(array('name' => 'setup_config_db_resource')));
+        $this->addPage(new DatabaseCreationPage(array('name' => 'setup_config_db_creation')));
+        $this->addPage(new SummaryPage(array('name' => 'setup_summary')));
+
+        if (($modulePageData = $this->getPageData('setup_modules')) !== null) {
+            $modulePage = $this->getPage('setup_modules')->populate($modulePageData);
+            foreach ($modulePage->getModuleWizards() as $moduleWizard) {
+                $this->addPage($moduleWizard);
+            }
+        }
+    }
+
+    /**
+     * Setup the given page that is either going to be displayed or validated
+     *
+     * @param   Form        $page       The page to setup
+     * @param   Request     $request    The current request
+     */
+    public function setupPage(Form $page, Request $request)
+    {
+        if ($page->getName() === 'setup_requirements') {
+            $page->setWizard($this);
+        } elseif ($page->getName() === 'setup_authentication_backend') {
+            /** @var AuthBackendPage $page */
+
+            $authData = $this->getPageData('setup_authentication_type');
+            if ($authData['type'] === 'db') {
+                $page->setResourceConfig($this->getPageData('setup_auth_db_resource'));
+            } elseif ($authData['type'] === 'ldap') {
+                $page->setResourceConfig($this->getPageData('setup_ldap_resource'));
+
+                $suggestions = $this->getPageData('setup_ldap_discovery');
+                if (isset($suggestions['backend'])) {
+                    $page->setSuggestions($suggestions['backend']);
+                }
+
+                if ($this->getDirection() === static::FORWARD) {
+                    $backendConfig = $this->getPageData('setup_authentication_backend');
+                    if ($backendConfig !== null && $request->getPost('name') !== $backendConfig['name']) {
+                        $pageData = & $this->getPageData();
+                        unset($pageData['setup_usergroup_backend']);
+                    }
+                }
+            }
+
+            if ($this->getDirection() === static::FORWARD) {
+                $backendConfig = $this->getPageData('setup_authentication_backend');
+                if ($backendConfig !== null && $request->getPost('backend') !== $backendConfig['backend']) {
+                    $pageData = & $this->getPageData();
+                    unset($pageData['setup_usergroup_backend']);
+                }
+            }
+        /*} elseif ($page->getName() === 'setup_ldap_discovery_confirm') {
+            $page->setResourceConfig($this->getPageData('setup_ldap_discovery'));*/
+        } elseif ($page->getName() === 'setup_auth_db_resource') {
+            $page->addDescription(mt(
+                'setup',
+                'Now please configure the database resource where to store users and user groups.'
+            ));
+            $page->addDescription(mt(
+                'setup',
+                'Note that the database itself does not need to exist at this time as'
+                . ' it is going to be created once the wizard is about to be finished.'
+            ));
+        } elseif ($page->getName() === 'setup_usergroup_backend') {
+            $page->setResourceConfig($this->getPageData('setup_ldap_resource'));
+            $page->setBackendConfig($this->getPageData('setup_authentication_backend'));
+        } elseif ($page->getName() === 'setup_admin_account') {
+            $page->setBackendConfig($this->getPageData('setup_authentication_backend'));
+            $page->setGroupConfig($this->getPageData('setup_usergroup_backend'));
+            $authData = $this->getPageData('setup_authentication_type');
+            if ($authData['type'] === 'db') {
+                $page->setResourceConfig($this->getPageData('setup_auth_db_resource'));
+            } elseif ($authData['type'] === 'ldap') {
+                $page->setResourceConfig($this->getPageData('setup_ldap_resource'));
+            }
+        } elseif ($page->getName() === 'setup_auth_db_creation' || $page->getName() === 'setup_config_db_creation') {
+            $page->setDatabaseSetupPrivileges(
+                array_unique(array_merge($this->databaseCreationPrivileges, $this->databaseSetupPrivileges))
+            );
+            $page->setDatabaseUsagePrivileges($this->databaseUsagePrivileges);
+            $page->setResourceConfig(
+                $this->getPageData('setup_auth_db_resource') ?: $this->getPageData('setup_config_db_resource')
+            );
+        } elseif ($page->getName() === 'setup_summary') {
+            $page->setSubjectTitle('Icinga Web 2');
+            $page->setSummary($this->getSetup()->getSummary());
+        } elseif ($page->getName() === 'setup_config_db_resource') {
+            $page->addDescription(mt(
+                'setup',
+                'Now please configure the database resource where to store user preferences.'
+            ));
+            $page->addDescription(mt(
+                'setup',
+                'Note that the database itself does not need to exist at this time as'
+                . ' it is going to be created once the wizard is about to be finished.'
+            ));
+
+            $ldapData = $this->getPageData('setup_ldap_resource');
+            if ($ldapData !== null && $request->getPost('name') === $ldapData['name']) {
+                $page->error(
+                    mt('setup', 'The given resource name must be unique and is already in use by the LDAP resource')
+                );
+            }
+        } elseif ($page->getName() === 'setup_ldap_resource') {
+            $suggestion = $this->getPageData('setup_ldap_discovery');
+            if (isset($suggestion['resource'])) {
+                $page->populate($suggestion['resource']);
+            }
+
+            if ($this->getDirection() === static::FORWARD) {
+                $resourceConfig = $this->getPageData('setup_ldap_resource');
+                if ($resourceConfig !== null && $request->getPost('name') !== $resourceConfig['name']) {
+                    $pageData = & $this->getPageData();
+                    unset($pageData['setup_usergroup_backend']);
+                }
+            }
+        } elseif ($page->getName() === 'setup_authentication_type') {
+            $authData = $this->getPageData($page->getName());
+            $pageData = & $this->getPageData();
+
+            if ($authData !== null && $request->getPost('type') !== $authData['type']) {
+                // Drop any existing page data in case the authentication type has changed,
+                // otherwise it will conflict with other forms that depend on this one
+                unset($pageData['setup_admin_account']);
+                unset($pageData['setup_authentication_backend']);
+
+                if ($authData['type'] === 'db') {
+                    unset($pageData['setup_auth_db_resource']);
+                    unset($pageData['setup_auth_db_creation']);
+                } elseif ($request->getPost('type') === 'db') {
+                    unset($pageData['setup_config_db_resource']);
+                    unset($pageData['setup_config_db_creation']);
+                }
+            } elseif (isset($authData['type']) && $authData['type'] == 'external') {
+                // If you choose the authentication type external and validate the database and then come
+                // back to change the authentication type but do not change it, you will get an database configuration
+                // related error message on the next page. To avoid this error, the 'setup_config_db_resource'
+                // page must be unset.
+
+                unset($pageData['setup_config_db_resource']);
+            }
+        }
+    }
+
+    /**
+     * Return the new page to set as current page
+     *
+     * {@inheritdoc} Runs additional checks related to some registered pages.
+     *
+     * @param   string  $requestedPage      The name of the requested page
+     * @param   Form    $originPage         The origin page
+     *
+     * @return  Form                        The new page
+     *
+     * @throws  InvalidArgumentException    In case the requested page does not exist or is not permitted yet
+     */
+    protected function getNewPage($requestedPage, Form $originPage)
+    {
+        $skip = false;
+        $newPage = parent::getNewPage($requestedPage, $originPage);
+        if ($newPage->getName() === 'setup_auth_db_resource') {
+            $authData = $this->getPageData('setup_authentication_type');
+            $skip = $authData['type'] !== 'db';
+        } elseif ($newPage->getname() === 'setup_ldap_discovery') {
+            $authData = $this->getPageData('setup_authentication_type');
+            $skip = $authData['type'] !== 'ldap';
+        /*} elseif ($newPage->getName() === 'setup_ldap_discovery_confirm') {
+            $skip = false === $this->hasPageData('setup_ldap_discovery');*/
+        } elseif ($newPage->getName() === 'setup_ldap_resource') {
+            $authData = $this->getPageData('setup_authentication_type');
+            $skip = $authData['type'] !== 'ldap';
+        } elseif ($newPage->getName() === 'setup_usergroup_backend') {
+            $backendConfig = $this->getPageData('setup_authentication_backend');
+            $skip = $backendConfig['backend'] !== 'ldap';
+        } elseif ($newPage->getName() === 'setup_config_db_resource') {
+            $authData = $this->getPageData('setup_authentication_type');
+            $skip = $authData['type'] === 'db';
+        } elseif (in_array($newPage->getName(), array('setup_auth_db_creation', 'setup_config_db_creation'))) {
+            if (($newPage->getName() === 'setup_auth_db_creation' || $this->hasPageData('setup_config_db_resource'))
+                && (($config = $this->getPageData('setup_auth_db_resource')) !== null
+                    || ($config = $this->getPageData('setup_config_db_resource')) !== null)
+                    && !$config['skip_validation'] &&  $this->getDirection() == static::FORWARD
+            ) {
+                // Execute this code only if the direction is forward.
+                // Otherwise, an error will be output when you go back.
+                $db = new DbTool($config);
+
+                try {
+                    $db->connectToDb(); // Are we able to login on the database?
+
+                    if (array_search(reset($this->databaseTables), $db->listTables(), true) === false) {
+                        // In case the database schema does not yet exist the
+                        // user needs the privileges to setup the database
+                        $skip = $db->checkPrivileges($this->databaseSetupPrivileges, $this->databaseTables);
+                    } else {
+                        // In case the database schema exists the user needs the required privileges
+                        // to operate the database, if those are missing we ask for another user
+                        $skip = $db->checkPrivileges($this->databaseUsagePrivileges, $this->databaseTables);
+                    }
+                } catch (PDOException $_) {
+                    try {
+                        $db->connectToHost(); // Are we able to login on the server?
+                        // It is not possible to reliably determine whether a database exists or not if a user can't
+                        // log in to the database, so we just require the user to be able to create the database
+                        $skip = $db->checkPrivileges(
+                            array_unique(
+                                array_merge($this->databaseCreationPrivileges, $this->databaseSetupPrivileges)
+                            ),
+                            $this->databaseTables
+                        );
+                    } catch (PDOException $_) {
+                        // We are NOT able to login on the server..
+                    }
+                }
+            } else {
+                $skip = true;
+            }
+        }
+
+        return $skip ? $this->skipPage($newPage) : $newPage;
+    }
+
+    /**
+     * Add buttons to the given page based on its position in the page-chain
+     *
+     * @param   Form    $page   The page to add the buttons to
+     */
+    protected function addButtons(Form $page)
+    {
+        parent::addButtons($page);
+
+        $pages = $this->getPages();
+        $index = array_search($page, $pages, true);
+        if ($index === 0) {
+            $page->getElement(static::BTN_NEXT)->setLabel(
+                mt('setup', 'Start', 'setup.welcome.btn.next')
+            );
+        } elseif ($index === count($pages) - 1) {
+            $page->getElement(static::BTN_NEXT)->setLabel(
+                mt('setup', 'Setup Icinga Web 2', 'setup.summary.btn.finish')
+            );
+        }
+
+        $authData = $this->getPageData('setup_authentication_type');
+        $veto = $page->getName() === 'setup_authentication_backend' && $authData['type'] === 'db';
+        if (! $veto && in_array($page->getName(), array(
+            'setup_authentication_backend',
+            'setup_auth_db_resource',
+            'setup_config_db_resource',
+            'setup_ldap_resource',
+            'setup_monitoring_ido',
+            'setup_icingadb_resource',
+            'setup_icingadb_redis',
+            'setup_icingadb_api_transport'
+        ))) {
+            $page->addElement(
+                'submit',
+                'backend_validation',
+                array(
+                    'ignore'                => true,
+                    'label'                 => t('Validate Configuration'),
+                    'data-progress-label'   => t('Validation In Progress'),
+                    'decorators'            => array('ViewHelper'),
+                    'formnovalidate'        => 'formnovalidate'
+                )
+            );
+            $page->getDisplayGroup('buttons')->addElement($page->getElement('backend_validation'));
+        }
+
+        if ($page->getName() === 'setup_command_transport') {
+            if ($page->getSubForm('transport_form')->getSubForm('transport_form') instanceof ApiTransportForm) {
+                $page->addElement(
+                    'submit',
+                    'transport_validation',
+                    array(
+                        'ignore'                => true,
+                        'label'                 => t('Validate Configuration'),
+                        'data-progress-label'   => t('Validation In Progress'),
+                        'decorators'            => array('ViewHelper'),
+                        'formnovalidate'        => 'formnovalidate'
+                    )
+                );
+                $page->getDisplayGroup('buttons')->addElement($page->getElement('transport_validation'));
+            }
+        }
+    }
+
+    /**
+     * Clear the session being used by this wizard
+     *
+     * @param   bool    $removeToken    If true, the setup token will be removed
+     */
+    public function clearSession($removeToken = true)
+    {
+        parent::clearSession();
+
+        if ($removeToken) {
+            $tokenPath = Config::resolvePath('setup.token');
+            if (file_exists($tokenPath)) {
+                @unlink($tokenPath);
+            }
+        }
+    }
+
+    /**
+     * Return the setup for this wizard
+     *
+     * @return  Setup
+     */
+    public function getSetup()
+    {
+        $pageData = $this->getPageData();
+        $setup = new Setup();
+
+        if (isset($pageData['setup_auth_db_resource'])
+            && !$pageData['setup_auth_db_resource']['skip_validation']
+            && (! isset($pageData['setup_auth_db_creation'])
+                || !$pageData['setup_auth_db_creation']['skip_validation']
+            )
+        ) {
+            $setup->addStep(
+                new DatabaseStep(array(
+                    'tables'            => $this->databaseTables,
+                    'privileges'        => $this->databaseUsagePrivileges,
+                    'resourceConfig'    => $pageData['setup_auth_db_resource'],
+                    'adminName'         => isset($pageData['setup_auth_db_creation']['username'])
+                        ? $pageData['setup_auth_db_creation']['username']
+                        : null,
+                    'adminPassword'     => isset($pageData['setup_auth_db_creation']['password'])
+                        ? $pageData['setup_auth_db_creation']['password']
+                        : null,
+                    'schemaPath'        => Config::module('setup')
+                        ->get('schema', 'path', Icinga::app()->getBaseDir('schema'))
+                ))
+            );
+        } elseif (isset($pageData['setup_config_db_resource'])
+            && !$pageData['setup_config_db_resource']['skip_validation']
+            && (! isset($pageData['setup_config_db_creation'])
+                || !$pageData['setup_config_db_creation']['skip_validation']
+            )
+        ) {
+            $setup->addStep(
+                new DatabaseStep(array(
+                    'tables'            => $this->databaseTables,
+                    'privileges'        => $this->databaseUsagePrivileges,
+                    'resourceConfig'    => $pageData['setup_config_db_resource'],
+                    'adminName'         => isset($pageData['setup_config_db_creation']['username'])
+                        ? $pageData['setup_config_db_creation']['username']
+                        : null,
+                    'adminPassword'     => isset($pageData['setup_config_db_creation']['password'])
+                        ? $pageData['setup_config_db_creation']['password']
+                        : null,
+                    'schemaPath'        => Config::module('setup')
+                        ->get('schema', 'path', Icinga::app()->getBaseDir('schema'))
+                ))
+            );
+        }
+
+        $setup->addStep(
+            new GeneralConfigStep(array(
+                'generalConfig' => $pageData['setup_general_config'],
+                'resourceName'  => isset($pageData['setup_auth_db_resource']['name'])
+                    ? $pageData['setup_auth_db_resource']['name']
+                    : (isset($pageData['setup_config_db_resource']['name'])
+                        ? $pageData['setup_config_db_resource']['name']
+                        : null
+                    )
+            ))
+        );
+
+        $adminAccountType = $pageData['setup_admin_account']['user_type'];
+        if ($adminAccountType === 'user_group') {
+            $adminAccountData = array('groupname' => $pageData['setup_admin_account'][$adminAccountType]);
+        } else {
+            $adminAccountData = array('username' => $pageData['setup_admin_account'][$adminAccountType]);
+            if ($adminAccountType === 'new_user' && !$pageData['setup_auth_db_resource']['skip_validation']
+                && (! isset($pageData['setup_auth_db_creation'])
+                    || !$pageData['setup_auth_db_creation']['skip_validation']
+                )
+            ) {
+                $adminAccountData['resourceConfig'] = $pageData['setup_auth_db_resource'];
+                $adminAccountData['password'] = $pageData['setup_admin_account']['new_user_password'];
+            }
+        }
+        $authType = $pageData['setup_authentication_type']['type'];
+        $setup->addStep(
+            new AuthenticationStep(array(
+                'adminAccountData'  => $adminAccountData,
+                'backendConfig'     => $pageData['setup_authentication_backend'],
+                'resourceName'      => $authType === 'db' ? $pageData['setup_auth_db_resource']['name'] : (
+                    $authType === 'ldap' ? $pageData['setup_ldap_resource']['name'] : null
+                )
+            ))
+        );
+
+        if ($authType !== 'external') {
+            $setup->addStep(
+                new UserGroupStep(array(
+                    'backendConfig'     => $pageData['setup_authentication_backend'],
+                    'groupConfig'       => isset($pageData['setup_usergroup_backend'])
+                        ? $pageData['setup_usergroup_backend']
+                        : null,
+                    'resourceName'      => $authType === 'db'
+                        ? $pageData['setup_auth_db_resource']['name']
+                        : $pageData['setup_ldap_resource']['name'],
+                    'resourceConfig'    => $authType === 'db'
+                        ? $pageData['setup_auth_db_resource']
+                        : null,
+                    'username'          => $authType === 'db'
+                        ? $pageData['setup_admin_account'][$adminAccountType]
+                        : null
+                ))
+            );
+        }
+
+        if (isset($pageData['setup_auth_db_resource'])
+            || isset($pageData['setup_config_db_resource'])
+            || isset($pageData['setup_ldap_resource'])
+        ) {
+            $setup->addStep(
+                new ResourceStep(array(
+                    'dbResourceConfig'      => isset($pageData['setup_auth_db_resource'])
+                        ? array_diff_key($pageData['setup_auth_db_resource'], array('skip_validation' => null))
+                        : (isset($pageData['setup_config_db_resource'])
+                            ? array_diff_key($pageData['setup_config_db_resource'], array('skip_validation' => null))
+                            : null
+                        ),
+                    'ldapResourceConfig'    => isset($pageData['setup_ldap_resource'])
+                        ? array_diff_key($pageData['setup_ldap_resource'], array('skip_validation' => null))
+                        : null
+                ))
+            );
+        }
+
+        foreach ($this->getWizards() as $wizard) {
+            if ($wizard->isComplete()) {
+                $setup->addSteps($wizard->getSetup()->getSteps());
+            }
+        }
+
+        $setup->addStep(new EnableModuleStep(array_keys($this->getPage('setup_modules')->getCheckedModules())));
+
+        return $setup;
+    }
+
+    /**
+     * Return the requirements of this wizard
+     *
+     * @return  RequirementSet
+     */
+    public function getRequirements($skipModules = false)
+    {
+        $set = new RequirementSet();
+
+        $set->add(new PhpVersionRequirement(array(
+            'condition'     => array('>=', '7.2'),
+            'description'   => sprintf(mt(
+                'setup',
+                'Running Icinga Web 2 requires PHP version %s.'
+            ), '7.2')
+        )));
+
+        $set->add(new OSRequirement(array(
+            'optional'      => true,
+            'condition'     => 'linux',
+            'description'   => mt(
+                'setup',
+                'Icinga Web 2 is developed for and tested on Linux. While we cannot'
+                . ' guarantee they will, other platforms may also perform as well.'
+            )
+        )));
+
+        $set->add(new WebLibraryRequirement(array(
+            'condition'     => ['icinga-php-library', '>=', '0.9.0'],
+            'alias'         => 'Icinga PHP library',
+            'description'   => mt(
+                'setup',
+                'The Icinga PHP library (IPL) is required for Icinga Web 2 and modules'
+            )
+        )));
+
+        $set->add(new WebLibraryRequirement(array(
+            'condition'     => ['icinga-php-thirdparty', '>=', '0.11.0'],
+            'alias'         => 'Icinga PHP Thirdparty',
+            'description'   => mt(
+                'setup',
+                'The Icinga PHP Thirdparty library is required for Icinga Web 2 and modules'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'OpenSSL',
+            'description'   => mt(
+                'setup',
+                'The PHP module for OpenSSL is required to generate cryptographically safe password salts.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'XML',
+            'description'   => mt(
+                'setup',
+                'The XML module for PHP is required for Markdown and custom HTML annotations.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'JSON',
+            'description'   => mt(
+                'setup',
+                'The JSON module for PHP is required for various export functionalities as well as APIs.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'gettext',
+            'description'   => mt(
+                'setup',
+                'For message localization, the gettext module for PHP is required.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'INTL',
+            'description'   => mt(
+                'setup',
+                'For language, timezone and date/time format negotiation, the INTL module for PHP is required.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'condition'     => 'DOM',
+            'description'   => mt(
+                'setup',
+                'For charts and exports of views and reports to PDF, the DOM module for PHP is required.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'LDAP',
+            'description'   => mt(
+                'setup',
+                'If you\'d like to authenticate users using LDAP the corresponding PHP module is required.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'mbstring',
+            'description'   => mt(
+                'setup',
+                'In case you want views being exported to PDF, you\'ll need the mbstring extension for PHP.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'GD',
+            'description'   => mt(
+                'setup',
+                'In case you want views being exported to PDF, you\'ll need the GD extension for PHP.'
+            )
+        )));
+
+        $set->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'Imagick',
+            'description'   => mt(
+                'setup',
+                'In case you want graphs being exported to PDF as well, you\'ll need the ImageMagick extension for PHP.'
+            )
+        )));
+
+        $dbSet = new RequirementSet(false, RequirementSet::MODE_OR);
+        $dbSet->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'pdo_mysql',
+            'alias'         => 'PDO-MySQL',
+            'description'   => mt(
+                'setup',
+                'To store users or preferences in a MySQL database the PDO-MySQL module for PHP is required.'
+            )
+        )));
+        $dbSet->add(new PhpModuleRequirement(array(
+            'optional'      => true,
+            'condition'     => 'pdo_pgsql',
+            'alias'         => 'PDO-PostgreSQL',
+            'description'   => mt(
+                'setup',
+                'To store users or preferences in a PostgreSQL database the PDO-PostgreSQL module for PHP is required.'
+            )
+        )));
+        $set->merge($dbSet);
+
+        $dbRequire = (new SetRequirement(array(
+            'optional'      => false,
+            'condition'     => $dbSet,
+            'title'         =>'Database',
+            'alias'         => 'PDO-MySQL OR PDO-PostgreSQL',
+            'description'   => mt(
+                'setup',
+                'A database is mandatory, therefore at least one module '
+                . 'PDO-MySQL or PDO-PostgreSQL for PHP is required.'
+            )
+        )));
+
+        $set->add($dbRequire);
+
+        $set->add(new ConfigDirectoryRequirement(array(
+            'condition'     => Icinga::app()->getStorageDir(),
+            'title'         => mt('setup', 'Read- and writable storage directory'),
+            'description'   => mt(
+                'setup',
+                'The Icinga Web 2 storage directory defaults to "/var/lib/icingaweb2", if' .
+                ' not explicitly set in the environment variable "ICINGAWEB_STORAGEDIR".'
+            )
+        )));
+
+        $set->add(new ConfigDirectoryRequirement(array(
+            'condition'     => Icinga::app()->getConfigDir(),
+            'description'   => mt(
+                'setup',
+                'The Icinga Web 2 configuration directory defaults to "/etc/icingaweb2", if' .
+                ' not explicitly set in the environment variable "ICINGAWEB_CONFIGDIR".'
+            )
+        )));
+
+        if (! $skipModules) {
+            foreach ($this->getWizards() as $wizard) {
+                $set->merge($wizard->getRequirements());
+            }
+        }
+
+        return $set;
+    }
+}
diff --git a/modules/setup/library/Setup/Webserver.php b/modules/setup/library/Setup/Webserver.php
new file mode 100644
index 0000000..2251ba3
--- /dev/null
+++ b/modules/setup/library/Setup/Webserver.php
@@ -0,0 +1,233 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup;
+
+use Icinga\Application\Icinga;
+use Icinga\Exception\ProgrammingError;
+
+/**
+ * Base class for generating webserver configuration
+ */
+abstract class Webserver
+{
+    /**
+     * Document root
+     *
+     * @var string
+     */
+    protected $documentRoot;
+
+    /**
+     * URL path of Icinga Web 2
+     *
+     * @var string
+     */
+    protected $urlPath = '/icingaweb2';
+
+    /**
+     * Path to Icinga Web 2's configuration files
+     *
+     * @var string
+     */
+    protected $configDir;
+
+    /**
+     * Address or path where to pass requests to FPM
+     *
+     * @var string
+     */
+    protected $fpmUri;
+
+    /**
+     * Enable to pass requests to FPM
+     *
+     * @var bool
+     */
+    protected $enableFpm = false;
+
+    /**
+     * Create instance by type name
+     *
+     * @param   string $type
+     *
+     * @return  WebServer
+     *
+     * @throws  ProgrammingError
+     */
+    public static function createInstance($type)
+    {
+        $class = __NAMESPACE__ . '\\Webserver\\' . ucfirst($type);
+        if (class_exists($class)) {
+            return new $class();
+        }
+        throw new ProgrammingError('Class "%s" does not exist', $class);
+    }
+
+    /**
+     * Generate configuration
+     *
+     * @return string
+     */
+    public function generate()
+    {
+        $template = $this->getTemplate();
+
+        $searchTokens = array(
+            '{urlPath}',
+            '{documentRoot}',
+            '{aliasDocumentRoot}',
+            '{configDir}',
+            '{fpmUri}'
+        );
+        $replaceTokens = array(
+            $this->getUrlPath(),
+            $this->getDocumentRoot(),
+            preg_match('~/$~', $this->getUrlPath()) ? $this->getDocumentRoot() . '/' : $this->getDocumentRoot(),
+            $this->getConfigDir(),
+            $this->getFpmUri()
+        );
+        $template = str_replace($searchTokens, $replaceTokens, $template);
+        return $template;
+    }
+
+    /**
+     * Specific template
+     *
+     * @return string
+     */
+    abstract protected function getTemplate();
+
+    /**
+     * Set the URL path of Icinga Web 2
+     *
+     * @param   string $urlPath
+     *
+     * @return  $this
+     */
+    public function setUrlPath($urlPath)
+    {
+        $this->urlPath = '/' . ltrim(trim((string) $urlPath), '/');
+        return $this;
+    }
+
+    /**
+     * Get the URL path of Icinga Web 2
+     *
+     * @return string
+     */
+    public function getUrlPath()
+    {
+        return $this->urlPath;
+    }
+
+    /**
+     * Set the document root
+     *
+     * @param   string $documentRoot
+     *
+     * @return  $this
+     */
+    public function setDocumentRoot($documentRoot)
+    {
+        $this->documentRoot = trim((string) $documentRoot);
+        return $this;
+    }
+
+    /**
+     * Detect the document root
+     *
+     * @return string
+     */
+    public function detectDocumentRoot()
+    {
+        return Icinga::app()->getBaseDir('public');
+    }
+
+    /**
+     * Get the document root
+     *
+     * @return string
+     */
+    public function getDocumentRoot()
+    {
+        if ($this->documentRoot === null) {
+            $this->documentRoot = $this->detectDocumentRoot();
+        }
+        return $this->documentRoot;
+    }
+
+    /**
+     * Set the configuration directory
+     *
+     * @param   string  $configDir
+     *
+     * @return  $this
+     */
+    public function setConfigDir($configDir)
+    {
+        $this->configDir = (string) $configDir;
+        return $this;
+    }
+
+    /**
+     * Get the configuration directory
+     *
+     * @return string
+     */
+    public function getConfigDir()
+    {
+        if ($this->configDir === null) {
+            return Icinga::app()->getConfigDir();
+        }
+        return $this->configDir;
+    }
+
+    /**
+     * Get whether FPM is enabled
+     *
+     * @return  bool
+     */
+    public function getEnableFpm()
+    {
+        return $this->enableFpm;
+    }
+
+    /**
+     * Set FPM enabled
+     *
+     * @param   bool  $flag
+     *
+     * @return  $this
+     */
+    public function setEnableFpm($flag)
+    {
+        $this->enableFpm = (bool) $flag;
+
+        return $this;
+    }
+
+    /**
+     * Get the address or path where to pass requests to FPM
+     *
+     * @return  string
+     */
+    public function getFpmUri()
+    {
+        return $this->fpmUri;
+    }
+
+    /**
+     * Set the address or path where to pass requests to FPM
+     *
+     * @param   string  $uri
+     *
+     * @return  $this
+     */
+    public function setFpmUri($uri)
+    {
+        $this->fpmUri = (string) $uri;
+
+        return $this;
+    }
+}
diff --git a/modules/setup/library/Setup/Webserver/Apache.php b/modules/setup/library/Setup/Webserver/Apache.php
new file mode 100644
index 0000000..fdb367f
--- /dev/null
+++ b/modules/setup/library/Setup/Webserver/Apache.php
@@ -0,0 +1,142 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Webserver;
+
+use Icinga\Module\Setup\Webserver;
+
+/**
+ * Generate Apache 2.x configuration
+ */
+class Apache extends Webserver
+{
+    protected $fpmUri = '127.0.0.1:9000';
+
+    protected function getTemplate()
+    {
+        if (! $this->enableFpm) {
+            return  <<<'EOD'
+Alias {urlPath} "{aliasDocumentRoot}"
+
+# Remove comments if you want to use PHP FPM and your Apache version is older than 2.4
+#<IfVersion < 2.4>
+#    # Forward PHP requests to FPM
+#    SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
+#    <LocationMatch "^{urlPath}/(.*\.php)$">
+#        ProxyPassMatch "fcgi://{fpmUri}/{documentRoot}/$1"
+#    </LocationMatch>
+#</IfVersion>
+
+<Directory "{documentRoot}">
+    Options SymLinksIfOwnerMatch
+    AllowOverride None
+
+    DirectoryIndex index.php
+
+    <IfModule mod_authz_core.c>
+        # Apache 2.4
+        <RequireAll>
+            Require all granted
+        </RequireAll>
+    </IfModule>
+
+    <IfModule !mod_authz_core.c>
+        # Apache 2.2
+        Order allow,deny
+        Allow from all
+    </IfModule>
+
+    SetEnv ICINGAWEB_CONFIGDIR "{configDir}"
+
+    EnableSendfile Off
+
+    <IfModule mod_rewrite.c>
+        RewriteEngine on
+        RewriteBase {urlPath}/
+        RewriteCond %{REQUEST_FILENAME} -s [OR]
+        RewriteCond %{REQUEST_FILENAME} -l [OR]
+        RewriteCond %{REQUEST_FILENAME} -d
+        RewriteRule ^.*$ - [NC,L]
+        RewriteRule ^.*$ index.php [NC,L]
+    </IfModule>
+
+    <IfModule !mod_rewrite.c>
+        DirectoryIndex error_norewrite.html
+        ErrorDocument 404 {urlPath}/error_norewrite.html
+    </IfModule>
+
+# Remove comments if you want to use PHP FPM and your Apache version
+# is greater than or equal to 2.4
+#    <IfVersion >= 2.4>
+#        # Forward PHP requests to FPM
+#        SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
+#        <FilesMatch "\.php$">
+#            SetHandler "proxy:fcgi://{fpmUri}"
+#            ErrorDocument 503 {urlPath}/error_unavailable.html
+#        </FilesMatch>
+#    </IfVersion>
+</Directory>
+EOD;
+        } else {
+            return <<<'EOD'
+Alias {urlPath} "{aliasDocumentRoot}"
+
+<IfVersion < 2.4>
+    # Forward PHP requests to FPM
+    SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
+    <LocationMatch "^{urlPath}/(.*\.php)$">
+        ProxyPassMatch "fcgi://{fpmUri}/{documentRoot}/$1"
+    </LocationMatch>
+</IfVersion>
+
+<Directory "{documentRoot}">
+    Options SymLinksIfOwnerMatch
+    AllowOverride None
+
+    DirectoryIndex index.php
+
+    <IfModule mod_authz_core.c>
+        # Apache 2.4
+        <RequireAll>
+            Require all granted
+        </RequireAll>
+    </IfModule>
+
+    <IfModule !mod_authz_core.c>
+        # Apache 2.2
+        Order allow,deny
+        Allow from all
+    </IfModule>
+
+    SetEnv ICINGAWEB_CONFIGDIR "{configDir}"
+
+    EnableSendfile Off
+
+    <IfModule mod_rewrite.c>
+        RewriteEngine on
+        RewriteBase {urlPath}/
+        RewriteCond %{REQUEST_FILENAME} -s [OR]
+        RewriteCond %{REQUEST_FILENAME} -l [OR]
+        RewriteCond %{REQUEST_FILENAME} -d
+        RewriteRule ^.*$ - [NC,L]
+        RewriteRule ^.*$ index.php [NC,L]
+    </IfModule>
+
+    <IfModule !mod_rewrite.c>
+        DirectoryIndex error_norewrite.html
+        ErrorDocument 404 {urlPath}/error_norewrite.html
+    </IfModule>
+
+    <IfVersion >= 2.4>
+        # Forward PHP requests to FPM
+        SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
+        <FilesMatch "\.php$">
+            SetHandler "proxy:fcgi://{fpmUri}"
+            ErrorDocument 503 {urlPath}/error_unavailable.html
+        </FilesMatch>
+    </IfVersion>
+</Directory>
+EOD;
+        }
+    }
+}
diff --git a/modules/setup/library/Setup/Webserver/Nginx.php b/modules/setup/library/Setup/Webserver/Nginx.php
new file mode 100644
index 0000000..c7ae716
--- /dev/null
+++ b/modules/setup/library/Setup/Webserver/Nginx.php
@@ -0,0 +1,36 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Webserver;
+
+use Icinga\Module\Setup\Webserver;
+
+/**
+ * Generate nginx configuration
+ */
+class Nginx extends Webserver
+{
+    protected $fpmUri = '127.0.0.1:9000';
+
+    protected $enableFpm = true;
+
+    protected function getTemplate()
+    {
+        return <<<'EOD'
+location ~ ^{urlPath}/index\.php(.*)$ {
+  fastcgi_pass {fpmUri};
+  fastcgi_index index.php;
+  include fastcgi_params;
+  fastcgi_param SCRIPT_FILENAME {documentRoot}/index.php;
+  fastcgi_param ICINGAWEB_CONFIGDIR {configDir};
+  fastcgi_param REMOTE_USER $remote_user;
+}
+
+location ~ ^{urlPath}(.+)? {
+  alias {documentRoot};
+  index index.php;
+  try_files $1 $uri $uri/ {urlPath}/index.php$is_args$args;
+}
+EOD;
+    }
+}