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<?php |
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namespace YahnisElsts\PluginUpdateChecker\v5p0; |
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if ( !class_exists(UpgraderStatus::class, false) ): |
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/** |
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* A utility class that helps figure out which plugin or theme WordPress is upgrading. |
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* |
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* It may seem strange to have a separate class just for that, but the task is surprisingly complicated. |
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* Core classes like Plugin_Upgrader don't expose the plugin file name during an in-progress update (AFAICT). |
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* This class uses a few workarounds and heuristics to get the file name. |
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*/ |
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class UpgraderStatus { |
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private $currentType = null; //"plugin" or "theme". |
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private $currentId = null; //Plugin basename or theme directory name. |
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public function __construct() { |
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//Keep track of which plugin/theme WordPress is currently upgrading. |
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add_filter('upgrader_pre_install', array($this, 'setUpgradedThing'), 10, 2); |
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add_filter('upgrader_package_options', array($this, 'setUpgradedPluginFromOptions'), 10, 1); |
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add_filter('upgrader_post_install', array($this, 'clearUpgradedThing'), 10, 1); |
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add_action('upgrader_process_complete', array($this, 'clearUpgradedThing'), 10, 1); |
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} |
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/** |
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* Is there and update being installed RIGHT NOW, for a specific plugin? |
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* |
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* Caution: This method is unreliable. WordPress doesn't make it easy to figure out what it is upgrading, |
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* and upgrader implementations are liable to change without notice. |
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* |
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* @param string $pluginFile The plugin to check. |
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* @param \WP_Upgrader|null $upgrader The upgrader that's performing the current update. |
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* @return bool True if the plugin identified by $pluginFile is being upgraded. |
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*/ |
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public function isPluginBeingUpgraded($pluginFile, $upgrader = null) { |
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return $this->isBeingUpgraded('plugin', $pluginFile, $upgrader); |
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} |
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/** |
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* Is there an update being installed for a specific theme? |
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* |
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* @param string $stylesheet Theme directory name. |
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* @param \WP_Upgrader|null $upgrader The upgrader that's performing the current update. |
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* @return bool |
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*/ |
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public function isThemeBeingUpgraded($stylesheet, $upgrader = null) { |
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return $this->isBeingUpgraded('theme', $stylesheet, $upgrader); |
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} |
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/** |
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* Check if a specific theme or plugin is being upgraded. |
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* |
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* @param string $type |
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* @param string $id |
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* @param \Plugin_Upgrader|\WP_Upgrader|null $upgrader |
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* @return bool |
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*/ |
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protected function isBeingUpgraded($type, $id, $upgrader = null) { |
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if ( isset($upgrader) ) { |
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list($currentType, $currentId) = $this->getThingBeingUpgradedBy($upgrader); |
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if ( $currentType !== null ) { |
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$this->currentType = $currentType; |
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$this->currentId = $currentId; |
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} |
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} |
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return ($this->currentType === $type) && ($this->currentId === $id); |
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} |
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/** |
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* Figure out which theme or plugin is being upgraded by a WP_Upgrader instance. |
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* |
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* Returns an array with two items. The first item is the type of the thing that's being |
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* upgraded: "plugin" or "theme". The second item is either the plugin basename or |
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* the theme directory name. If we can't determine what the upgrader is doing, both items |
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* will be NULL. |
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* |
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* Examples: |
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* ['plugin', 'plugin-dir-name/plugin.php'] |
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* ['theme', 'theme-dir-name'] |
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* |
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* @param \Plugin_Upgrader|\WP_Upgrader $upgrader |
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* @return array |
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*/ |
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private function getThingBeingUpgradedBy($upgrader) { |
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if ( !isset($upgrader, $upgrader->skin) ) { |
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return array(null, null); |
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} |
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//Figure out which plugin or theme is being upgraded. |
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$pluginFile = null; |
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$themeDirectoryName = null; |
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$skin = $upgrader->skin; |
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if ( isset($skin->theme_info) && ($skin->theme_info instanceof \WP_Theme) ) { |
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$themeDirectoryName = $skin->theme_info->get_stylesheet(); |
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} elseif ( $skin instanceof \Plugin_Upgrader_Skin ) { |
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if ( isset($skin->plugin) && is_string($skin->plugin) && ($skin->plugin !== '') ) { |
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$pluginFile = $skin->plugin; |
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} |
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} elseif ( $skin instanceof \Theme_Upgrader_Skin ) { |
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if ( isset($skin->theme) && is_string($skin->theme) && ($skin->theme !== '') ) { |
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$themeDirectoryName = $skin->theme; |
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} |
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} elseif ( isset($skin->plugin_info) && is_array($skin->plugin_info) ) { |
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//This case is tricky because Bulk_Plugin_Upgrader_Skin (etc) doesn't actually store the plugin |
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//filename anywhere. Instead, it has the plugin headers in $plugin_info. So the best we can |
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//do is compare those headers to the headers of installed plugins. |
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$pluginFile = $this->identifyPluginByHeaders($skin->plugin_info); |
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} |
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if ( $pluginFile !== null ) { |
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return array('plugin', $pluginFile); |
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} elseif ( $themeDirectoryName !== null ) { |
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return array('theme', $themeDirectoryName); |
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} |
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return array(null, null); |
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} |
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/** |
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* Identify an installed plugin based on its headers. |
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* |
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* @param array $searchHeaders The plugin file header to look for. |
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* @return string|null Plugin basename ("foo/bar.php"), or NULL if we can't identify the plugin. |
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*/ |
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private function identifyPluginByHeaders($searchHeaders) { |
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if ( !function_exists('get_plugins') ){ |
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require_once( ABSPATH . '/wp-admin/includes/plugin.php' ); |
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} |
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$installedPlugins = get_plugins(); |
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$matches = array(); |
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foreach($installedPlugins as $pluginBasename => $headers) { |
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$diff1 = array_diff_assoc($headers, $searchHeaders); |
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$diff2 = array_diff_assoc($searchHeaders, $headers); |
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if ( empty($diff1) && empty($diff2) ) { |
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$matches[] = $pluginBasename; |
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} |
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} |
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//It's possible (though very unlikely) that there could be two plugins with identical |
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//headers. In that case, we can't unambiguously identify the plugin that's being upgraded. |
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if ( count($matches) !== 1 ) { |
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return null; |
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} |
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return reset($matches); |
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} |
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/** |
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* @access private |
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* |
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* @param mixed $input |
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* @param array $hookExtra |
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* @return mixed Returns $input unaltered. |
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*/ |
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public function setUpgradedThing($input, $hookExtra) { |
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if ( !empty($hookExtra['plugin']) && is_string($hookExtra['plugin']) ) { |
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$this->currentId = $hookExtra['plugin']; |
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$this->currentType = 'plugin'; |
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} elseif ( !empty($hookExtra['theme']) && is_string($hookExtra['theme']) ) { |
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$this->currentId = $hookExtra['theme']; |
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$this->currentType = 'theme'; |
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} else { |
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$this->currentType = null; |
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$this->currentId = null; |
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} |
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return $input; |
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} |
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/** |
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* @access private |
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* |
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* @param array $options |
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* @return array |
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*/ |
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public function setUpgradedPluginFromOptions($options) { |
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if ( isset($options['hook_extra']['plugin']) && is_string($options['hook_extra']['plugin']) ) { |
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$this->currentType = 'plugin'; |
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$this->currentId = $options['hook_extra']['plugin']; |
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} else { |
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$this->currentType = null; |
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$this->currentId = null; |
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} |
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return $options; |
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} |
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/** |
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* @access private |
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* |
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* @param mixed $input |
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* @return mixed Returns $input unaltered. |
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*/ |
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public function clearUpgradedThing($input = null) { |
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$this->currentId = null; |
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$this->currentType = null; |
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return $input; |
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} |
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} |
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endif; |
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iqltechnologies /
brighty
