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<?php
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/**
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* @file
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* Contains rules integration for the path module needed during evaluation.
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*
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* @addtogroup rules
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*
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* @{
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*/
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/**
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* Action implementation: Path alias.
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*/
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function rules_action_path_alias($source, $alias, $langcode = LANGUAGE_NONE) {
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if (!$alias) {
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path_delete(array('source' => $source, 'language' => $langcode));
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}
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elseif (!$source) {
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path_delete(array('alias' => $alias, 'language' => $langcode));
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}
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// Only set the alias if the alias is not taken yet.
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elseif (!path_load(array('alias' => $alias, 'language' => $langcode))) {
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// Update the existing path or create a new one.
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if ($path = path_load(array('source' => $source, 'language' => $langcode))) {
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$path['alias'] = $alias;
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}
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else {
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$path = array('source' => $source, 'alias' => $alias, 'language' => $langcode);
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}
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path_save($path);
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}
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else {
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rules_log('The configured alias %alias already exists. Aborting.', array('%alias' => $alias));
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}
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}
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/**
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* Action Implementation: Set the URL alias for a node.
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*/
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function rules_action_node_path_alias($node, $alias) {
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$langcode = isset($node->language) ? $node->language : LANGUAGE_NONE;
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// Only set the alias if the alias is not taken yet.
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if (($path = path_load(array('alias' => $alias, 'language' => $langcode))) && (empty($node->path['pid']) || $node->path['pid'] != $path['pid'])) {
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rules_log('The configured alias %alias already exists. Aborting.', array('%alias' => $alias));
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return FALSE;
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}
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$node->path['alias'] = $alias;
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}
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/**
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* Action Implementation: Set the URL alias for a node.
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*/
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function rules_action_taxonomy_term_path_alias($term, $alias) {
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// Only set the alias if the alias is not taken yet.
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if (($path = path_load(array('alias' => $alias, 'language' => LANGUAGE_NONE))) && (empty($term->path['pid']) || $term->path['pid'] != $path['pid'])) {
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rules_log('The configured alias %alias already exists. Aborting.', array('%alias' => $alias));
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return FALSE;
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}
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$term->path['alias'] = $alias;
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}
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/**
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* Condition implementation: Check if the path has an alias.
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*/
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function rules_condition_path_has_alias($source, $langcode = LANGUAGE_NONE) {
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return (bool) drupal_lookup_path('alias', $source, $langcode);
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}
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/**
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* Condition implementation: Check if the URL alias exists.
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*/
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function rules_condition_path_alias_exists($alias, $langcode = LANGUAGE_NONE) {
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return (bool) drupal_lookup_path('source', $alias, $langcode);
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}
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/**
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* Cleans the given path.
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*
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* A path is cleaned by replacing non ASCII characters in the path with the
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* replacement character.
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*
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* Path cleaning may be customized by overriding the configuration variables:
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* @code rules_clean_path @endcode,
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* @code rules_path_replacement_char @endcode and
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* @code rules_path_transliteration @endcode
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* in the site's settings.php file.
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*/
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function rules_path_default_cleaning_method($path) {
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$replace = variable_get('rules_path_replacement_char', '-');
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if ($replace) {
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// If the transliteration module is enabled, transliterate the alias first.
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if (module_exists('transliteration') && variable_get('rules_path_transliteration', TRUE)) {
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$path = transliteration_get($path);
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}
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$array = variable_get('rules_clean_path', array('/[^a-zA-Z0-9\-_]+/', $replace));
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$array[2] = $path;
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// Replace it and remove trailing and leading replacement characters.
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$output = trim(call_user_func_array('preg_replace', $array), $replace);
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if (variable_get('rules_path_lower_case', TRUE)) {
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$output = drupal_strtolower($output);
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}
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return $output;
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}
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else {
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return $path;
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}
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}
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/**
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* Cleans the given string so it can be used as part of a URL path.
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*/
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function rules_clean_path($path) {
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$function = variable_get('rules_path_cleaning_callback', 'rules_path_default_cleaning_method');
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if (!function_exists($function)) {
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rules_log('An invalid URL path cleaning callback has been configured. Falling back to the default cleaning method.', array(), RulesLog::WARN);
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$function = 'rules_path_default_cleaning_method';
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}
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return $function($path);
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}
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/**
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* CTools path cleaning callback.
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*
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* @see rules_admin_settings()
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*/
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function rules_path_clean_ctools($path) {
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// Make use of the CTools cleanstring implementation.
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ctools_include('cleanstring');
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$settings = array(
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'separator' => variable_get('rules_path_replacement_char', '-'),
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'transliterate' => module_exists('transliteration') && variable_get('rules_path_transliteration', TRUE),
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'lower case' => variable_get('rules_path_lower_case', TRUE),
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);
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return ctools_cleanstring($path, $settings);
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}
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/**
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* Pathauto path cleaning callback.
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*
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* @see rules_admin_settings()
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*/
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function rules_path_clean_pathauto($path) {
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module_load_include('inc', 'pathauto');
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return pathauto_cleanstring($path);
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}
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/**
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* @}
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*/
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