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Diffstat (limited to 'modules/setup/application/forms/DatabaseCreationPage.php')
| -rw-r--r-- | modules/setup/application/forms/DatabaseCreationPage.php | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/modules/setup/application/forms/DatabaseCreationPage.php b/modules/setup/application/forms/DatabaseCreationPage.php new file mode 100644 index 0000000..8660a21 --- /dev/null +++ b/modules/setup/application/forms/DatabaseCreationPage.php @@ -0,0 +1,208 @@ +<?php +/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Module\Setup\Forms; + +use PDOException; +use Icinga\Web\Form; +use Icinga\Module\Setup\Utils\DbTool; + +/** + * Wizard page to define a database user that is able to create databases and tables + */ +class DatabaseCreationPage extends Form +{ + /** + * The resource configuration to use + * + * @var array + */ + protected $config; + + /** + * The required privileges to setup the database + * + * @var array + */ + protected $databaseSetupPrivileges; + + /** + * The required privileges to operate the database + * + * @var array + */ + protected $databaseUsagePrivileges; + + /** + * Initialize this page + */ + public function init() + { + $this->setTitle($this->translate('Database Setup', 'setup.page.title')); + $this->addDescription($this->translate( + 'It seems that either the database you defined earlier does not yet exist and cannot be created' + . ' using the provided access credentials, the database does not have the required schema to be' + . ' operated by Icinga Web 2 or the provided access credentials do not have the sufficient ' + . 'permissions to access the database. Please provide appropriate access credentials to solve this.' + )); + } + + /** + * Set the resource configuration to use + * + * @param array $config + * + * @return $this + */ + public function setResourceConfig(array $config) + { + $this->config = $config; + return $this; + } + + /** + * Set the required privileges to setup the database + * + * @param array $privileges The privileges + * + * @return $this + */ + public function setDatabaseSetupPrivileges(array $privileges) + { + $this->databaseSetupPrivileges = $privileges; + return $this; + } + + /** + * Set the required privileges to operate the database + * + * @param array $privileges The privileges + * + * @return $this + */ + public function setDatabaseUsagePrivileges(array $privileges) + { + $this->databaseUsagePrivileges = $privileges; + return $this; + } + + /** + * @see Form::createElements() + */ + public function createElements(array $formData) + { + $skipValidation = isset($formData['skip_validation']) && $formData['skip_validation']; + $this->addElement( + 'text', + 'username', + array( + 'required' => false === $skipValidation, + 'label' => $this->translate('Username'), + 'description' => $this->translate( + 'A user which is able to create databases and/or touch the database schema' + ) + ) + ); + $this->addElement( + 'password', + 'password', + array( + 'renderPassword' => true, + 'label' => $this->translate('Password'), + 'description' => $this->translate('The password for the database user defined above') + ) + ); + + if ($skipValidation) { + $this->addSkipValidationCheckbox(); + } else { + $this->addElement( + 'hidden', + 'skip_validation', + array( + 'required' => true, + 'value' => 0 + ) + ); + } + } + + /** + * Validate the given form data and check whether the defined user has sufficient access rights + * + * @param array $data The data to validate + * + * @return bool + */ + public function isValid($data) + { + if (false === parent::isValid($data)) { + return false; + } + + if (isset($data['skip_validation']) && $data['skip_validation']) { + return true; + } + + $config = $this->config; + $config['username'] = $this->getValue('username'); + $config['password'] = $this->getValue('password'); + $db = new DbTool($config); + + try { + $db->connectToDb(); // Are we able to login on the database? + } catch (PDOException $_) { + try { + $db->connectToHost(); // Are we able to login on the server? + } catch (PDOException $e) { + // We are NOT able to login on the server.. + $this->error($e->getMessage()); + $this->addSkipValidationCheckbox(); + return false; + } + } + + // In case we are connected the credentials filled into this + // form need to be granted to create databases, users... + if (false === $db->checkPrivileges($this->databaseSetupPrivileges)) { + $this->error( + $this->translate('The provided credentials cannot be used to create the database and/or the user.') + ); + $this->addSkipValidationCheckbox(); + return false; + } + + // ...and to grant all required usage privileges to others + if (false === $db->isGrantable($this->databaseUsagePrivileges)) { + $this->error(sprintf( + $this->translate( + 'The provided credentials cannot be used to grant all required privileges to the login "%s".' + ), + $this->config['username'] + )); + $this->addSkipValidationCheckbox(); + return false; + } + + return true; + } + + /** + * Add a checkbox to the form by which the user can skip the login and privilege validation + */ + protected function addSkipValidationCheckbox() + { + $this->addElement( + 'checkbox', + 'skip_validation', + array( + 'order' => 0, + 'required' => true, + 'label' => $this->translate('Skip Validation'), + 'description' => $this->translate( + 'Check this to not to validate the ability to login and required privileges' + ) + ) + ); + } +} |