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+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web;
+
+use Icinga\Web\Form\Element\DateTimePicker;
+use ipl\I18n\Translation;
+use Zend_Config;
+use Zend_Form;
+use Zend_Form_Element;
+use Zend_View_Interface;
+use Icinga\Application\Icinga;
+use Icinga\Authentication\Auth;
+use Icinga\Exception\ProgrammingError;
+use Icinga\Security\SecurityException;
+use Icinga\Web\Form\ErrorLabeller;
+use Icinga\Web\Form\Decorator\Autosubmit;
+use Icinga\Web\Form\Element\CsrfCounterMeasure;
+
+/**
+ * Base class for forms providing CSRF protection, confirmation logic and auto submission
+ *
+ * @method \Zend_Form_Element[] getElements() {
+ * {@inheritdoc}
+ * @return \Zend_Form_Element[]
+ * }
+ */
+class Form extends Zend_Form
+{
+ use Translation {
+ translate as i18nTranslate;
+ translatePlural as i18nTranslatePlural;
+ }
+
+ /**
+ * The suffix to append to a field's hidden default field name
+ */
+ const DEFAULT_SUFFIX = '_default';
+
+ /**
+ * A form's default CSS classes
+ */
+ const DEFAULT_CLASSES = 'icinga-form icinga-controls';
+
+ /**
+ * Identifier for notifications of type error
+ */
+ const NOTIFICATION_ERROR = 0;
+
+ /**
+ * Identifier for notifications of type warning
+ */
+ const NOTIFICATION_WARNING = 1;
+
+ /**
+ * Identifier for notifications of type info
+ */
+ const NOTIFICATION_INFO = 2;
+
+ /**
+ * Whether this form has been created
+ *
+ * @var bool
+ */
+ protected $created = false;
+
+ /**
+ * This form's parent
+ *
+ * Gets automatically set upon calling addSubForm().
+ *
+ * @var Form
+ */
+ protected $_parent;
+
+ /**
+ * Whether the form is an API target
+ *
+ * When the form is an API target, the form evaluates as submitted if the request method equals the form method.
+ * That means, that the submit button and form identification are not taken into account. In addition, the CSRF
+ * counter measure will not be added to the form's elements.
+ *
+ * @var bool
+ */
+ protected $isApiTarget = false;
+
+ /**
+ * The request associated with this form
+ *
+ * @var Request
+ */
+ protected $request;
+
+ /**
+ * The callback to call instead of Form::onSuccess()
+ *
+ * @var callable
+ */
+ protected $onSuccess;
+
+ /**
+ * Label to use for the standard submit button
+ *
+ * @var string
+ */
+ protected $submitLabel;
+
+ /**
+ * Label to use for showing the user an activity indicator when submitting the form
+ *
+ * @var string
+ */
+ protected $progressLabel;
+
+ /**
+ * The url to redirect to upon success
+ *
+ * @var Url
+ */
+ protected $redirectUrl;
+
+ /**
+ * The view script to use when rendering this form
+ *
+ * @var string
+ */
+ protected $viewScript;
+
+ /**
+ * Whether this form should NOT add random generated "challenge" tokens that are associated with the user's current
+ * session in order to prevent Cross-Site Request Forgery (CSRF). It is the form's responsibility to verify the
+ * existence and correctness of this token
+ *
+ * @var bool
+ */
+ protected $tokenDisabled = false;
+
+ /**
+ * Name of the CSRF token element
+ *
+ * @var string
+ */
+ protected $tokenElementName = 'CSRFToken';
+
+ /**
+ * Whether this form should add a UID element being used to distinct different forms posting to the same action
+ *
+ * @var bool
+ */
+ protected $uidDisabled = false;
+
+ /**
+ * Name of the form identification element
+ *
+ * @var string
+ */
+ protected $uidElementName = 'formUID';
+
+ /**
+ * Whether the form should validate the sent data when being automatically submitted
+ *
+ * @var bool
+ */
+ protected $validatePartial = false;
+
+ /**
+ * Whether element ids will be protected against collisions by appending a request-specific unique identifier
+ *
+ * @var bool
+ */
+ protected $protectIds = true;
+
+ /**
+ * The cue that is appended to each element's label if it's required
+ *
+ * @var string
+ */
+ protected $requiredCue = '*';
+
+ /**
+ * The descriptions of this form
+ *
+ * @var array
+ */
+ protected $descriptions;
+
+ /**
+ * The notifications of this form
+ *
+ * @var array
+ */
+ protected $notifications;
+
+ /**
+ * The hints of this form
+ *
+ * @var array
+ */
+ protected $hints;
+
+ /**
+ * Whether the Autosubmit decorator should be applied to this form
+ *
+ * If this is true, the Autosubmit decorator is being applied to this form instead of to each of its elements.
+ *
+ * @var bool
+ */
+ protected $useFormAutosubmit = false;
+
+ /**
+ * Authentication manager
+ *
+ * @var Auth|null
+ */
+ private $auth;
+
+ /**
+ * Default element decorators
+ *
+ * @var array
+ */
+ public static $defaultElementDecorators = array(
+ array('Label', array('tag'=>'span', 'separator' => '', 'class' => 'control-label')),
+ array(array('labelWrap' => 'HtmlTag'), array('tag' => 'div', 'class' => 'control-label-group')),
+ array('ViewHelper', array('separator' => '')),
+ array('Help', array()),
+ array('Errors', array('separator' => '')),
+ array('HtmlTag', array('tag' => 'div', 'class' => 'control-group'))
+ );
+
+ /**
+ * (non-PHPDoc)
+ * @see \Zend_Form::construct() For the method documentation.
+ */
+ public function __construct($options = null)
+ {
+ // Zend's plugin loader reverses the order of added prefix paths thus trying our paths first before trying
+ // Zend paths
+ $this->addPrefixPaths(array(
+ array(
+ 'prefix' => 'Icinga\\Web\\Form\\Element\\',
+ 'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Element'),
+ 'type' => static::ELEMENT
+ ),
+ array(
+ 'prefix' => 'Icinga\\Web\\Form\\Decorator\\',
+ 'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Decorator'),
+ 'type' => static::DECORATOR
+ )
+ ));
+
+ if (! isset($options['attribs']['class'])) {
+ $options['attribs']['class'] = static::DEFAULT_CLASSES;
+ }
+
+ parent::__construct($options);
+ }
+
+ /**
+ * Set this form's parent
+ *
+ * @param Form $form
+ *
+ * @return $this
+ */
+ public function setParent(Form $form)
+ {
+ $this->_parent = $form;
+ return $this;
+ }
+
+ /**
+ * Return this form's parent
+ *
+ * @return Form
+ */
+ public function getParent()
+ {
+ return $this->_parent;
+ }
+
+ /**
+ * Set a callback that is called instead of this form's onSuccess method
+ *
+ * It is called using the following signature: (Form $this).
+ *
+ * @param callable $onSuccess Callback
+ *
+ * @return $this
+ *
+ * @throws ProgrammingError If the callback is not callable
+ */
+ public function setOnSuccess($onSuccess)
+ {
+ if (! is_callable($onSuccess)) {
+ throw new ProgrammingError('The option `onSuccess\' is not callable');
+ }
+ $this->onSuccess = $onSuccess;
+ return $this;
+ }
+
+ /**
+ * Set the label to use for the standard submit button
+ *
+ * @param string $label The label to use for the submit button
+ *
+ * @return $this
+ */
+ public function setSubmitLabel($label)
+ {
+ $this->submitLabel = $label;
+ return $this;
+ }
+
+ /**
+ * Return the label being used for the standard submit button
+ *
+ * @return string
+ */
+ public function getSubmitLabel()
+ {
+ return $this->submitLabel;
+ }
+
+ /**
+ * Set the label to use for showing the user an activity indicator when submitting the form
+ *
+ * @param string $label
+ *
+ * @return $this
+ */
+ public function setProgressLabel($label)
+ {
+ $this->progressLabel = $label;
+ return $this;
+ }
+
+ /**
+ * Return the label to use for showing the user an activity indicator when submitting the form
+ *
+ * @return string
+ */
+ public function getProgressLabel()
+ {
+ return $this->progressLabel;
+ }
+
+ /**
+ * Set the url to redirect to upon success
+ *
+ * @param string|Url $url The url to redirect to
+ *
+ * @return $this
+ *
+ * @throws ProgrammingError In case $url is neither a string nor a instance of Icinga\Web\Url
+ */
+ public function setRedirectUrl($url)
+ {
+ if (is_string($url)) {
+ $url = Url::fromPath($url, array(), $this->getRequest());
+ } elseif (! $url instanceof Url) {
+ throw new ProgrammingError('$url must be a string or instance of Icinga\Web\Url');
+ }
+
+ $this->redirectUrl = $url;
+ return $this;
+ }
+
+ /**
+ * Return the url to redirect to upon success
+ *
+ * @return Url
+ */
+ public function getRedirectUrl()
+ {
+ if ($this->redirectUrl === null) {
+ $this->redirectUrl = $this->getRequest()->getUrl();
+ if ($this->getMethod() === 'get') {
+ // Be sure to remove all form dependent params because we do not want to submit it again
+ $this->redirectUrl = $this->redirectUrl->without(array_keys($this->getElements()));
+ }
+ }
+
+ return $this->redirectUrl;
+ }
+
+ /**
+ * Set the view script to use when rendering this form
+ *
+ * @param string $viewScript The view script to use
+ *
+ * @return $this
+ */
+ public function setViewScript($viewScript)
+ {
+ $this->viewScript = $viewScript;
+ return $this;
+ }
+
+ /**
+ * Return the view script being used when rendering this form
+ *
+ * @return string
+ */
+ public function getViewScript()
+ {
+ return $this->viewScript;
+ }
+
+ /**
+ * Disable CSRF counter measure and remove its field if already added
+ *
+ * @param bool $disabled Set true in order to disable CSRF protection for this form, otherwise false
+ *
+ * @return $this
+ */
+ public function setTokenDisabled($disabled = true)
+ {
+ $this->tokenDisabled = (bool) $disabled;
+
+ if ($disabled && $this->getElement($this->tokenElementName) !== null) {
+ $this->removeElement($this->tokenElementName);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Return whether CSRF counter measures are disabled for this form
+ *
+ * @return bool
+ */
+ public function getTokenDisabled()
+ {
+ return $this->tokenDisabled;
+ }
+
+ /**
+ * Set the name to use for the CSRF element
+ *
+ * @param string $name The name to set
+ *
+ * @return $this
+ */
+ public function setTokenElementName($name)
+ {
+ $this->tokenElementName = $name;
+ return $this;
+ }
+
+ /**
+ * Return the name of the CSRF element
+ *
+ * @return string
+ */
+ public function getTokenElementName()
+ {
+ return $this->tokenElementName;
+ }
+
+ /**
+ * Disable form identification and remove its field if already added
+ *
+ * @param bool $disabled Set true in order to disable identification for this form, otherwise false
+ *
+ * @return $this
+ */
+ public function setUidDisabled($disabled = true)
+ {
+ $this->uidDisabled = (bool) $disabled;
+
+ if ($disabled && $this->getElement($this->uidElementName) !== null) {
+ $this->removeElement($this->uidElementName);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Return whether identification is disabled for this form
+ *
+ * @return bool
+ */
+ public function getUidDisabled()
+ {
+ return $this->uidDisabled;
+ }
+
+ /**
+ * Set the name to use for the form identification element
+ *
+ * @param string $name The name to set
+ *
+ * @return $this
+ */
+ public function setUidElementName($name)
+ {
+ $this->uidElementName = $name;
+ return $this;
+ }
+
+ /**
+ * Return the name of the form identification element
+ *
+ * @return string
+ */
+ public function getUidElementName()
+ {
+ return $this->uidElementName;
+ }
+
+ /**
+ * Set whether this form should validate the sent data when being automatically submitted
+ *
+ * @param bool $state
+ *
+ * @return $this
+ */
+ public function setValidatePartial($state)
+ {
+ $this->validatePartial = $state;
+ return $this;
+ }
+
+ /**
+ * Return whether this form should validate the sent data when being automatically submitted
+ *
+ * @return bool
+ */
+ public function getValidatePartial()
+ {
+ return $this->validatePartial;
+ }
+
+ /**
+ * Set whether each element's id should be altered to avoid duplicates
+ *
+ * @param bool $value
+ *
+ * @return Form
+ */
+ public function setProtectIds($value = true)
+ {
+ $this->protectIds = (bool) $value;
+ return $this;
+ }
+
+ /**
+ * Return whether each element's id is being altered to avoid duplicates
+ *
+ * @return bool
+ */
+ public function getProtectIds()
+ {
+ return $this->protectIds;
+ }
+
+ /**
+ * Set the cue to append to each element's label if it's required
+ *
+ * @param string $cue
+ *
+ * @return Form
+ */
+ public function setRequiredCue($cue)
+ {
+ $this->requiredCue = $cue;
+ return $this;
+ }
+
+ /**
+ * Return the cue being appended to each element's label if it's required
+ *
+ * @return string
+ */
+ public function getRequiredCue()
+ {
+ return $this->requiredCue;
+ }
+
+ /**
+ * Set the descriptions for this form
+ *
+ * @param array $descriptions
+ *
+ * @return Form
+ */
+ public function setDescriptions(array $descriptions)
+ {
+ $this->descriptions = $descriptions;
+ return $this;
+ }
+
+ /**
+ * Add a description for this form
+ *
+ * If $description is an array the second value should be
+ * an array as well containing additional HTML properties.
+ *
+ * @param string|array $description
+ *
+ * @return Form
+ */
+ public function addDescription($description)
+ {
+ $this->descriptions[] = $description;
+ return $this;
+ }
+
+ /**
+ * Return the descriptions of this form
+ *
+ * @return array
+ */
+ public function getDescriptions()
+ {
+ if ($this->descriptions === null) {
+ return array();
+ }
+
+ return $this->descriptions;
+ }
+
+ /**
+ * Set the notifications for this form
+ *
+ * @param array $notifications
+ *
+ * @return $this
+ */
+ public function setNotifications(array $notifications)
+ {
+ $this->notifications = $notifications;
+ return $this;
+ }
+
+ /**
+ * Add a notification for this form
+ *
+ * If $notification is an array the second value should be
+ * an array as well containing additional HTML properties.
+ *
+ * @param string|array $notification
+ * @param int $type
+ *
+ * @return $this
+ */
+ public function addNotification($notification, $type)
+ {
+ $this->notifications[$type][] = $notification;
+ return $this;
+ }
+
+ /**
+ * Return the notifications of this form
+ *
+ * @return array
+ */
+ public function getNotifications()
+ {
+ if ($this->notifications === null) {
+ return array();
+ }
+
+ return $this->notifications;
+ }
+
+ /**
+ * Set the hints for this form
+ *
+ * @param array $hints
+ *
+ * @return $this
+ */
+ public function setHints(array $hints)
+ {
+ $this->hints = $hints;
+ return $this;
+ }
+
+ /**
+ * Add a hint for this form
+ *
+ * If $hint is an array the second value should be an
+ * array as well containing additional HTML properties.
+ *
+ * @param string|array $hint
+ *
+ * @return $this
+ */
+ public function addHint($hint)
+ {
+ $this->hints[] = $hint;
+ return $this;
+ }
+
+ /**
+ * Return the hints of this form
+ *
+ * @return array
+ */
+ public function getHints()
+ {
+ if ($this->hints === null) {
+ return array();
+ }
+
+ return $this->hints;
+ }
+
+ /**
+ * Set whether the Autosubmit decorator should be applied to this form
+ *
+ * If true, the Autosubmit decorator is being applied to this form instead of to each of its elements.
+ *
+ * @param bool $state
+ *
+ * @return Form
+ */
+ public function setUseFormAutosubmit($state = true)
+ {
+ $this->useFormAutosubmit = (bool) $state;
+ if ($this->useFormAutosubmit) {
+ $this->setAttrib('data-progress-element', 'header-' . $this->getId());
+ } else {
+ $this->removeAttrib('data-progress-element');
+ }
+
+ return $this;
+ }
+
+ /**
+ * Return whether the Autosubmit decorator is being applied to this form
+ *
+ * @return bool
+ */
+ public function getUseFormAutosubmit()
+ {
+ return $this->useFormAutosubmit;
+ }
+
+ /**
+ * Get whether the form is an API target
+ *
+ * @todo This should probably only return true if the request is also an api request
+ * @return bool
+ */
+ public function getIsApiTarget()
+ {
+ return $this->isApiTarget;
+ }
+
+ /**
+ * Set whether the form is an API target
+ *
+ * @param bool $isApiTarget
+ *
+ * @return $this
+ */
+ public function setIsApiTarget($isApiTarget = true)
+ {
+ $this->isApiTarget = (bool) $isApiTarget;
+ return $this;
+ }
+
+ /**
+ * Create this form
+ *
+ * @param array $formData The data sent by the user
+ *
+ * @return $this
+ */
+ public function create(array $formData = array())
+ {
+ if (! $this->created) {
+ $this->createElements($formData);
+ $this->addFormIdentification()
+ ->addCsrfCounterMeasure()
+ ->addSubmitButton();
+
+ // Use Form::getAttrib() instead of Form::getAction() here because we want to explicitly check against
+ // null. Form::getAction() would return the empty string '' if the action is not set.
+ // For not setting the action attribute use Form::setAction(''). This is required for for the
+ // accessibility's enable/disable auto-refresh mechanic
+ if ($this->getAttrib('action') === null) {
+ $action = $this->getRequest()->getUrl();
+ if ($this->getMethod() === 'get') {
+ $action = $action->without(array_keys($this->getElements()));
+ }
+
+ // TODO(el): Re-evalute this necessity.
+ // JavaScript could use the container'sURL if there's no action set.
+ // We MUST set an action as JS gets confused otherwise, if
+ // this form is being displayed in an additional column
+ $this->setAction($action);
+ }
+
+ $this->created = true;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Create and add elements to this form
+ *
+ * Intended to be implemented by concrete form classes.
+ *
+ * @param array $formData The data sent by the user
+ */
+ public function createElements(array $formData)
+ {
+ }
+
+ /**
+ * Perform actions after this form was submitted using a valid request
+ *
+ * Intended to be implemented by concrete form classes. The base implementation returns always FALSE.
+ *
+ * @return null|bool Return FALSE in case no redirect should take place
+ */
+ public function onSuccess()
+ {
+ return false;
+ }
+
+ /**
+ * Perform actions when no form dependent data was sent
+ *
+ * Intended to be implemented by concrete form classes.
+ */
+ public function onRequest()
+ {
+ }
+
+ /**
+ * Add a submit button to this form
+ *
+ * Uses the label previously set with Form::setSubmitLabel(). Overwrite this
+ * method in order to add multiple submit buttons or one with a custom name.
+ *
+ * @return $this
+ */
+ public function addSubmitButton()
+ {
+ $submitLabel = $this->getSubmitLabel();
+ if ($submitLabel) {
+ $this->addElement(
+ 'submit',
+ 'btn_submit',
+ array(
+ 'class' => 'btn-primary',
+ 'ignore' => true,
+ 'label' => $submitLabel,
+ 'data-progress-label' => $this->getProgressLabel(),
+ 'decorators' => array(
+ 'ViewHelper',
+ array('Spinner', array('separator' => '')),
+ array('HtmlTag', array('tag' => 'div', 'class' => 'control-group form-controls'))
+ )
+ )
+ );
+ }
+
+ return $this;
+ }
+
+ /**
+ * Add a subform
+ *
+ * @param Zend_Form $form The subform to add
+ * @param string $name The name of the subform or null to use the name of $form
+ * @param int $order The location where to insert the form
+ *
+ * @return Zend_Form
+ */
+ public function addSubForm(Zend_Form $form, $name = null, $order = null)
+ {
+ if ($form instanceof self) {
+ $form->setDecorators(array('FormElements')); // TODO: Makes it difficult to customise subform decorators..
+ $form->setSubmitLabel('');
+ $form->setTokenDisabled();
+ $form->setUidDisabled();
+ $form->setParent($this);
+ }
+
+ if ($name === null) {
+ $name = $form->getName();
+ }
+
+ return parent::addSubForm($form, $name, $order);
+ }
+
+ /**
+ * Create a new element
+ *
+ * Icinga Web 2 loads its own default element decorators. For loading Zend's default element decorators set the
+ * `disableLoadDefaultDecorators' option to any other value than `true'. For loading custom element decorators use
+ * the 'decorators' option.
+ *
+ * @param string $type The type of the element
+ * @param string $name The name of the element
+ * @param mixed $options The options for the element
+ *
+ * @return Zend_Form_Element
+ *
+ * @see Form::$defaultElementDecorators For Icinga Web 2's default element decorators.
+ */
+ public function createElement($type, $name, $options = null)
+ {
+ if ($options !== null) {
+ if ($options instanceof Zend_Config) {
+ $options = $options->toArray();
+ }
+ if (! isset($options['decorators'])
+ && ! array_key_exists('disabledLoadDefaultDecorators', $options)
+ ) {
+ $options['decorators'] = static::$defaultElementDecorators;
+ if (! isset($options['data-progress-label']) && ($type === 'submit'
+ || ($type === 'button' && isset($options['type']) && $options['type'] === 'submit'))
+ ) {
+ array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
+ } elseif ($type === 'hidden') {
+ $options['decorators'] = array('ViewHelper');
+ }
+ }
+ } else {
+ $options = array('decorators' => static::$defaultElementDecorators);
+ if ($type === 'submit') {
+ array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
+ } elseif ($type === 'hidden') {
+ $options['decorators'] = array('ViewHelper');
+ }
+ }
+
+ $el = parent::createElement($type, $name, $options);
+ $el->setTranslator(new ErrorLabeller(array('element' => $el)));
+
+ $el->addPrefixPaths(array(
+ array(
+ 'prefix' => 'Icinga\\Web\\Form\\Validator\\',
+ 'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Validator'),
+ 'type' => $el::VALIDATE
+ )
+ ));
+
+ if ($this->protectIds) {
+ $el->setAttrib('id', $this->getRequest()->protectId($this->getId(false) . '_' . $el->getId()));
+ }
+
+ if ($el->getAttrib('autosubmit')) {
+ if ($this->getUseFormAutosubmit()) {
+ $warningId = 'autosubmit_warning_' . $el->getId();
+ $warningText = $this->getView()->escape($this->translate(
+ 'This page will be automatically updated upon change of the value'
+ ));
+ $autosubmitDecorator = $this->_getDecorator('Callback', array(
+ 'placement' => 'PREPEND',
+ 'callback' => function ($content) use ($warningId, $warningText) {
+ return '<span class="sr-only" id="' . $warningId . '">' . $warningText . '</span>';
+ }
+ ));
+ } else {
+ $autosubmitDecorator = new Autosubmit();
+ $autosubmitDecorator->setAccessible();
+ $warningId = $autosubmitDecorator->getWarningId($el);
+ }
+
+ $decorators = $el->getDecorators();
+ $pos = array_search('Zend_Form_Decorator_ViewHelper', array_keys($decorators), true) + 1;
+ $el->setDecorators(
+ array_slice($decorators, 0, $pos, true)
+ + array('autosubmit' => $autosubmitDecorator)
+ + array_slice($decorators, $pos, count($decorators) - $pos, true)
+ );
+
+ if (($describedBy = $el->getAttrib('aria-describedby')) !== null) {
+ $el->setAttrib('aria-describedby', $describedBy . ' ' . $warningId);
+ } else {
+ $el->setAttrib('aria-describedby', $warningId);
+ }
+
+ $class = $el->getAttrib('class');
+ if (is_array($class)) {
+ $class[] = 'autosubmit';
+ } elseif ($class === null) {
+ $class = 'autosubmit';
+ } else {
+ $class .= ' autosubmit';
+ }
+ $el->setAttrib('class', $class);
+
+ unset($el->autosubmit);
+ }
+
+ if ($el->getAttrib('preserveDefault')) {
+ $el->addDecorator(
+ array('preserveDefault' => 'HtmlTag'),
+ array(
+ 'tag' => 'input',
+ 'type' => 'hidden',
+ 'name' => $name . static::DEFAULT_SUFFIX,
+ 'value' => $el instanceof DateTimePicker
+ ? $el->getValue()->format($el->getFormat())
+ : $el->getValue()
+ )
+ );
+
+ unset($el->preserveDefault);
+ }
+
+ return $this->ensureElementAccessibility($el);
+ }
+
+ /**
+ * Add accessibility related attributes
+ *
+ * @param Zend_Form_Element $element
+ *
+ * @return Zend_Form_Element
+ */
+ public function ensureElementAccessibility(Zend_Form_Element $element)
+ {
+ if ($element->isRequired()) {
+ $element->setAttrib('aria-required', 'true'); // ARIA
+ $element->setAttrib('required', ''); // HTML5
+ if (($cue = $this->getRequiredCue()) !== null && ($label = $element->getDecorator('label')) !== false) {
+ $element->setLabel($this->getView()->escape($element->getLabel()));
+ $label->setOption('escape', false);
+ $label->setRequiredSuffix(sprintf(' <span aria-hidden="true">%s</span>', $cue));
+ }
+ }
+
+ if ($element->getDescription() !== null && ($help = $element->getDecorator('help')) !== false) {
+ if (($describedBy = $element->getAttrib('aria-describedby')) !== null) {
+ // Assume that it's because of the element being of type autosubmit or
+ // that one who did set the property manually removes the help decorator
+ // in case it has already an aria-describedby property set
+ $element->setAttrib(
+ 'aria-describedby',
+ $help->setAccessible()->getDescriptionId($element) . ' ' . $describedBy
+ );
+ } else {
+ $element->setAttrib('aria-describedby', $help->setAccessible()->getDescriptionId($element));
+ }
+ }
+
+ return $element;
+ }
+
+ /**
+ * Add a field with a unique and form specific ID
+ *
+ * @return $this
+ */
+ public function addFormIdentification()
+ {
+ if (! $this->uidDisabled && $this->getElement($this->uidElementName) === null) {
+ $this->addElement(
+ 'hidden',
+ $this->uidElementName,
+ array(
+ 'ignore' => true,
+ 'value' => $this->getName(),
+ 'decorators' => array('ViewHelper')
+ )
+ );
+ }
+
+ return $this;
+ }
+
+ /**
+ * Add CSRF counter measure field to this form
+ *
+ * @return $this
+ */
+ public function addCsrfCounterMeasure()
+ {
+ if (! $this->tokenDisabled) {
+ $request = $this->getRequest();
+ if (! $request->isXmlHttpRequest()
+ && ($this->getIsApiTarget() || $request->isApiRequest())
+ ) {
+ return $this;
+ }
+ if ($this->getElement($this->tokenElementName) === null) {
+ $this->addElement('CsrfCounterMeasure', $this->tokenElementName);
+ }
+ }
+ return $this;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * Creates the form if not created yet.
+ *
+ * @param array $values
+ *
+ * @return $this
+ */
+ public function setDefaults(array $values)
+ {
+ $this->create($values);
+ return parent::setDefaults($values);
+ }
+
+ /**
+ * Populate the elements with the given values
+ *
+ * @param array $defaults The values to populate the elements with
+ *
+ * @return $this
+ */
+ public function populate(array $defaults)
+ {
+ $this->create($defaults);
+ $this->preserveDefaults($this, $defaults);
+ return parent::populate($defaults);
+ }
+
+ /**
+ * Recurse the given form and unset all unchanged default values
+ *
+ * @param Zend_Form $form
+ * @param array $defaults
+ */
+ protected function preserveDefaults(Zend_Form $form, array &$defaults)
+ {
+ foreach ($form->getElements() as $name => $element) {
+ if ((array_key_exists($name, $defaults)
+ && array_key_exists($name . static::DEFAULT_SUFFIX, $defaults)
+ && $defaults[$name] === $defaults[$name . static::DEFAULT_SUFFIX])
+ || $element->getAttrib('disabled')
+ ) {
+ unset($defaults[$name]);
+ }
+ }
+
+ foreach ($form->getSubForms() as $_ => $subForm) {
+ $this->preserveDefaults($subForm, $defaults);
+ }
+ }
+
+ /**
+ * Process the given request using this form
+ *
+ * Redirects to the url set with setRedirectUrl() upon success. See onSuccess()
+ * and onRequest() wherewith you can customize the processing logic.
+ *
+ * @param Request $request The request to be processed
+ *
+ * @return Request The request supposed to be processed
+ */
+ public function handleRequest(Request $request = null)
+ {
+ if ($request === null) {
+ $request = $this->getRequest();
+ } else {
+ $this->request = $request;
+ }
+
+ $formData = $this->getRequestData();
+ if ($this->getIsApiTarget()
+ // TODO: Very very bad, wasSent() must not be bypassed if it's only an api request but not an qpi target
+ || $this->getRequest()->isApiRequest()
+ || $this->getUidDisabled()
+ || $this->wasSent($formData)
+ ) {
+ $this->populate($formData); // Necessary to get isSubmitted() to work
+ if (! $this->getSubmitLabel() || $this->isSubmitted()) {
+ if ($this->isValid($formData)
+ && (($this->onSuccess !== null && false !== call_user_func($this->onSuccess, $this))
+ || ($this->onSuccess === null && false !== $this->onSuccess()))
+ ) {
+ // TODO: Still bad. An api target must not behave as one if it's not an api request
+ if ($this->getIsApiTarget() || $this->getRequest()->isApiRequest()) {
+ // API targets and API requests will never redirect but immediately respond w/ JSON-encoded
+ // notifications
+ $notifications = Notification::getInstance()->popMessages();
+ $message = null;
+ foreach ($notifications as $notification) {
+ if ($notification->type === Notification::SUCCESS) {
+ $message = $notification->message;
+ break;
+ }
+ }
+ $this->getResponse()->json()
+ ->setSuccessData($message !== null ? array('message' => $message) : null)
+ ->sendResponse();
+ } else {
+ $this->getResponse()->redirectAndExit($this->getRedirectUrl());
+ }
+ // TODO: Still bad. An api target must not behave as one if it's not an api request
+ } elseif ($this->getIsApiTarget() || $this->getRequest()->isApiRequest()) {
+ $this->getResponse()->json()->setFailData($this->getMessages())->sendResponse();
+ }
+ } elseif ($this->getValidatePartial()) {
+ // The form can't be processed but we may want to show validation errors though
+ $this->isValidPartial($formData);
+ }
+ } else {
+ $this->onRequest();
+ }
+
+ return $request;
+ }
+
+ /**
+ * Return whether the submit button of this form was pressed
+ *
+ * When overwriting Form::addSubmitButton() be sure to overwrite this method as well.
+ *
+ * @return bool True in case it was pressed, False otherwise or no submit label was set
+ */
+ public function isSubmitted()
+ {
+ $requestMethod = $this->getRequest()->getMethod();
+ if (strtolower($requestMethod ?: '') !== $this->getMethod()) {
+ return false;
+ }
+ if ($this->getIsApiTarget() || $this->getRequest()->isApiRequest()) {
+ return true;
+ }
+ if ($this->getSubmitLabel()) {
+ return $this->getElement('btn_submit')->isChecked();
+ }
+
+ return false;
+ }
+
+ /**
+ * Return whether the data sent by the user refers to this form
+ *
+ * Ensures that the correct form gets processed in case there are multiple forms
+ * with equal submit button names being posted against the same route.
+ *
+ * @param array $formData The data sent by the user
+ *
+ * @return bool Whether the given data refers to this form
+ */
+ public function wasSent(array $formData)
+ {
+ return isset($formData[$this->uidElementName]) && $formData[$this->uidElementName] === $this->getName();
+ }
+
+ /**
+ * Return whether the given values (possibly incomplete) are valid
+ *
+ * Unlike Zend_Form::isValid() this will not set NULL as value for
+ * an element that is not present in the given data.
+ *
+ * @param array $formData The data to validate
+ *
+ * @return bool
+ */
+ public function isValidPartial(array $formData)
+ {
+ $this->create($formData);
+
+ foreach ($this->getElements() as $name => $element) {
+ if (array_key_exists($name, $formData)) {
+ if ($element->getAttrib('disabled')) {
+ // Ensure that disabled elements are not overwritten
+ // (http://www.zendframework.com/issues/browse/ZF-6909)
+ $formData[$name] = $element->getValue();
+ } elseif (array_key_exists($name . static::DEFAULT_SUFFIX, $formData)
+ && $formData[$name] === $formData[$name . static::DEFAULT_SUFFIX]
+ ) {
+ unset($formData[$name]);
+ }
+ }
+ }
+
+ return parent::isValidPartial($formData);
+ }
+
+ /**
+ * Return whether the given values are valid
+ *
+ * @param array $formData The data to validate
+ *
+ * @return bool
+ */
+ public function isValid($formData)
+ {
+ $this->create($formData);
+
+ // Ensure that disabled elements are not overwritten (http://www.zendframework.com/issues/browse/ZF-6909)
+ foreach ($this->getElements() as $name => $element) {
+ if ($element->getAttrib('disabled')) {
+ $formData[$name] = $element->getValue();
+ }
+ }
+
+ return parent::isValid($formData);
+ }
+
+ /**
+ * Remove all elements of this form
+ *
+ * @return self
+ */
+ public function clearElements()
+ {
+ $this->created = false;
+ return parent::clearElements();
+ }
+
+ /**
+ * Load the default decorators
+ *
+ * Overwrites Zend_Form::loadDefaultDecorators to avoid having
+ * the HtmlTag-Decorator added and to provide view script usage
+ *
+ * @return $this
+ */
+ public function loadDefaultDecorators()
+ {
+ if ($this->loadDefaultDecoratorsIsDisabled()) {
+ return $this;
+ }
+
+ $decorators = $this->getDecorators();
+ if (empty($decorators)) {
+ if ($this->viewScript) {
+ $this->addDecorator('ViewScript', array(
+ 'viewScript' => $this->viewScript,
+ 'form' => $this
+ ));
+ } else {
+ $this->addDecorator('Description', array('tag' => 'h1'));
+ if ($this->getUseFormAutosubmit()) {
+ $this->getDecorator('Description')->setEscape(false);
+ $this->addDecorator(
+ 'HtmlTag',
+ array(
+ 'tag' => 'div',
+ 'class' => 'header',
+ 'id' => 'header-' . $this->getId()
+ )
+ );
+ }
+
+ $this->addDecorator('FormDescriptions')
+ ->addDecorator('FormNotifications')
+ ->addDecorator('FormErrors', array('onlyCustomFormErrors' => true))
+ ->addDecorator('FormElements')
+ ->addDecorator('FormHints')
+ //->addDecorator('HtmlTag', array('tag' => 'dl', 'class' => 'zend_form'))
+ ->addDecorator('Form');
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Get element id
+ *
+ * Returns the protected id, in case id protection is enabled.
+ *
+ * @param bool $protect
+ *
+ * @return string
+ */
+ public function getId($protect = true)
+ {
+ $id = parent::getId();
+ return $protect && $this->protectIds ? $this->getRequest()->protectId($id) : $id;
+ }
+
+ /**
+ * Return the name of this form
+ *
+ * @return string
+ */
+ public function getName()
+ {
+ $name = parent::getName();
+ if (! $name) {
+ $name = get_class($this);
+ $this->setName($name);
+ $name = parent::getName();
+ }
+ return $name;
+ }
+
+ /**
+ * Retrieve form description
+ *
+ * This will return the escaped description with the autosubmit warning icon if form autosubmit is enabled.
+ *
+ * @return string
+ */
+ public function getDescription()
+ {
+ $description = parent::getDescription();
+ if ($description && $this->getUseFormAutosubmit()) {
+ $autosubmit = $this->_getDecorator('Autosubmit', array('accessible' => true));
+ $autosubmit->setElement($this);
+ $description = $autosubmit->render($this->getView()->escape($description));
+ }
+
+ return $description;
+ }
+
+ /**
+ * Set the action to submit this form against
+ *
+ * Note that if you'll pass a instance of URL, Url::getAbsoluteUrl('&') is called to set the action.
+ *
+ * @param Url|string $action
+ *
+ * @return $this
+ */
+ public function setAction($action)
+ {
+ if ($action instanceof Url) {
+ $action = $action->getAbsoluteUrl('&');
+ }
+
+ return parent::setAction($action);
+ }
+
+ /**
+ * Set form description
+ *
+ * Alias for Zend_Form::setDescription().
+ *
+ * @param string $value
+ *
+ * @return Form
+ */
+ public function setTitle($value)
+ {
+ return $this->setDescription($value);
+ }
+
+ /**
+ * Return the request associated with this form
+ *
+ * Returns the global request if none has been set for this form yet.
+ *
+ * @return Request
+ */
+ public function getRequest()
+ {
+ if ($this->request === null) {
+ $this->request = Icinga::app()->getRequest();
+ }
+
+ return $this->request;
+ }
+
+ /**
+ * Set the request
+ *
+ * @param Request $request
+ *
+ * @return $this
+ */
+ public function setRequest(Request $request)
+ {
+ $this->request = $request;
+ return $this;
+ }
+
+ /**
+ * Return the current Response
+ *
+ * @return Response
+ */
+ public function getResponse()
+ {
+ return Icinga::app()->getFrontController()->getResponse();
+ }
+
+ /**
+ * Return the request data based on this form's request method
+ *
+ * @return array
+ */
+ protected function getRequestData()
+ {
+ $requestMethod = $this->getRequest()->getMethod();
+ if (strtolower($requestMethod ?: '') === $this->getMethod()) {
+ return $this->request->{'get' . ($this->request->isPost() ? 'Post' : 'Query')}();
+ }
+
+ return array();
+ }
+
+ /**
+ * Get the translation domain for this form
+ *
+ * The returned translation domain is either determined based on this form's qualified name or it is the default
+ * 'icinga' domain
+ *
+ * @return string
+ */
+ protected function getTranslationDomain()
+ {
+ $parts = explode('\\', get_called_class());
+ if (count($parts) > 1 && $parts[1] === 'Module') {
+ // Assume format Icinga\Module\ModuleName\Forms\...
+ return strtolower($parts[2]);
+ }
+
+ return 'icinga';
+ }
+
+ /**
+ * Translate a string
+ *
+ * @param string $text The string to translate
+ * @param string|null $context Optional parameter for context based translation
+ *
+ * @return string The translated string
+ */
+ protected function translate($text, $context = null)
+ {
+ $this->translationDomain = $this->getTranslationDomain();
+
+ return $this->i18nTranslate($text, $context);
+ }
+
+ /**
+ * Translate a plural string
+ *
+ * @param string $textSingular The string in singular form to translate
+ * @param string $textPlural The string in plural form to translate
+ * @param integer $number The amount to determine from whether to return singular or plural
+ * @param string|null $context Optional parameter for context based translation
+ *
+ * @return string The translated string
+ */
+ protected function translatePlural($textSingular, $textPlural, $number, $context = null)
+ {
+ $this->translationDomain = $this->getTranslationDomain();
+
+ return $this->i18nTranslatePlural($textSingular, $textPlural, $number, $context);
+ }
+
+ /**
+ * Render this form
+ *
+ * @param Zend_View_Interface $view The view context to use
+ *
+ * @return string
+ */
+ public function render(Zend_View_Interface $view = null)
+ {
+ $this->create();
+ return parent::render($view);
+ }
+
+ /**
+ * Get the authentication manager
+ *
+ * @return Auth
+ */
+ public function Auth()
+ {
+ if ($this->auth === null) {
+ $this->auth = Auth::getInstance();
+ }
+ return $this->auth;
+ }
+
+ /**
+ * Whether the current user has the given permission
+ *
+ * @param string $permission Name of the permission
+ *
+ * @return bool
+ */
+ public function hasPermission($permission)
+ {
+ return $this->Auth()->hasPermission($permission);
+ }
+
+ /**
+ * Assert that the current user has the given permission
+ *
+ * @param string $permission Name of the permission
+ *
+ * @throws SecurityException If the current user lacks the given permission
+ */
+ public function assertPermission($permission)
+ {
+ if (! $this->Auth()->hasPermission($permission)) {
+ throw new SecurityException('No permission for %s', $permission);
+ }
+ }
+
+ /**
+ * Add a error notification
+ *
+ * @param string|array $message The notification message
+ * @param bool $markAsError Whether to prevent the form from being successfully validated or not
+ *
+ * @return $this
+ */
+ public function error($message, $markAsError = true)
+ {
+ if ($this->getIsApiTarget()) {
+ $this->addErrorMessage($message);
+ } else {
+ $this->addNotification($message, self::NOTIFICATION_ERROR);
+ }
+
+ if ($markAsError) {
+ $this->markAsError();
+ }
+
+ return $this;
+ }
+
+ /**
+ * Add a warning notification
+ *
+ * @param string|array $message The notification message
+ * @param bool $markAsError Whether to prevent the form from being successfully validated or not
+ *
+ * @return $this
+ */
+ public function warning($message, $markAsError = true)
+ {
+ if ($this->getIsApiTarget()) {
+ $this->addErrorMessage($message);
+ } else {
+ $this->addNotification($message, self::NOTIFICATION_WARNING);
+ }
+
+ if ($markAsError) {
+ $this->markAsError();
+ }
+
+ return $this;
+ }
+
+ /**
+ * Add a info notification
+ *
+ * @param string|array $message The notification message
+ * @param bool $markAsError Whether to prevent the form from being successfully validated or not
+ *
+ * @return $this
+ */
+ public function info($message, $markAsError = true)
+ {
+ if ($this->getIsApiTarget()) {
+ $this->addErrorMessage($message);
+ } else {
+ $this->addNotification($message, self::NOTIFICATION_INFO);
+ }
+
+ if ($markAsError) {
+ $this->markAsError();
+ }
+
+ return $this;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 18:58:13 +0000