--- /dev/null
+<?php
+
+/**
+ * @file
+ * Advanced CSS/JS aggregation module.
+ */
+
+use Drupal\Core\Url;
+use Drupal\Component\Utility\Crypt;
+
+// Core hook implementations.
+/**
+ * Implements hook_hook_info().
+ */
+function advagg_hook_info() {
+ // List of hooks that should be inside of *.advagg.inc files.
+ // All advagg hooks except for:
+ // advagg_current_hooks_hash_array_alter
+ // advagg_hooks_implemented_alter
+ // because these 3 hooks are used on most requests.
+ $advagg_hooks = [
+ 'advagg_aggregate_grouping_alter',
+ 'advagg_css_contents_alter',
+ 'advagg_js_contents_alter',
+ 'advagg_scan_file_alter',
+ ];
+ $hooks = [];
+ foreach ($advagg_hooks as $hook) {
+ $hooks[$hook] = ['group' => 'advagg'];
+ }
+ return $hooks;
+}
+
+/**
+ * Implements hook_module_implements_alter().
+ *
+ * Move advagg' and various submodule's implementations to last.
+ */
+function advagg_module_implements_alter(&$implementations, $hook) {
+ if ($hook === 'js_alter' && isset($implementations['advagg'])) {
+ // Move advagg and advagg_mod to the bottom, advagg is above advagg_mod.
+ $item = $implementations['advagg'];
+ unset($implementations['advagg']);
+ $implementations['advagg'] = $item;
+ if (isset($implementations['advagg_mod'])) {
+ $item = $implementations['advagg_mod'];
+ unset($implementations['advagg_mod']);
+ $implementations['advagg_mod'] = $item;
+ }
+ }
+ elseif ($hook === 'css_alter' && isset($implementations['advagg'])) {
+ $item = $implementations['advagg'];
+ unset($implementations['advagg']);
+ $implementations['advagg'] = $item;
+ if (isset($implementations['advagg_mod'])) {
+ $item = $implementations['advagg_mod'];
+ unset($implementations['advagg_mod']);
+ $implementations['advagg_mod'] = $item;
+ }
+ }
+ if ($hook === 'file_url_alter' && isset($implementations['advagg'])) {
+ $item = $implementations['advagg'];
+ unset($implementations['advagg']);
+ $implementations['advagg'] = $item;
+ }
+ if ($hook === 'requirements') {
+ if (isset($implementations['advagg'])) {
+ $item = $implementations['advagg'];
+ unset($implementations['advagg']);
+ $implementations['advagg'] = $item;
+ }
+ if (isset($implementations['advagg_cdn'])) {
+ $item = $implementations['advagg_cdn'];
+ unset($implementations['advagg_cdn']);
+ $implementations['advagg_cdn'] = $item;
+ }
+ if (isset($implementations['advagg_css_minify'])) {
+ $item = $implementations['advagg_css_minify'];
+ unset($implementations['advagg_css_minify']);
+ $implementations['advagg_css_minify'] = $item;
+ }
+ if (isset($implementations['advagg_js_minify'])) {
+ $item = $implementations['advagg_js_minify'];
+ unset($implementations['advagg_js_minify']);
+ $implementations['advagg_js_minify'] = $item;
+ }
+ }
+}
+
+/**
+ * Implements hook_cron().
+ *
+ * This will be ran once a day at most.
+ *
+ * @param bool $bypass_time_check
+ * Set to TRUE to skip the 24 hour check.
+ */
+function advagg_cron($bypass_time_check = FALSE) {
+ $state = \Drupal::state();
+ // Execute once a day (24 hours).
+ if (!$bypass_time_check && $state->get('advagg.cron_timestamp', REQUEST_TIME) > (REQUEST_TIME - \Drupal::config('advagg.settings')->get('cron_frequency'))) {
+ return [];
+ }
+ $state->set('advagg.cron_timestamp', REQUEST_TIME);
+
+ $return = [];
+ $return['stale'] = [
+ 'js' => \Drupal::service('asset.js.collection_optimizer')->deleteStale(),
+ 'css' => \Drupal::service('asset.css.collection_optimizer')->deleteStale(),
+ ];
+
+ return $return;
+}
+
+/**
+ * Implements hook_js_alter().
+ */
+function advagg_js_alter(&$js) {
+ // Skip if advagg is disabled.
+ if (!advagg_enabled()) {
+ return;
+ }
+
+ // Add DNS information for some of the more popular modules.
+ foreach ($js as &$value) {
+ if (!is_string($value['data'])) {
+ continue;
+ }
+ // Google Ad Manager.
+ if (strpos($value['data'], '/google_service.') !== FALSE) {
+ if (!empty($value['dns_prefetch']) && is_string($value['dns_prefetch'])) {
+ $temp = $value['dns_prefetch'];
+ unset($value['dns_prefetch']);
+ $value['dns_prefetch'] = [$temp];
+ }
+ // Domains in the google_service.js file.
+ $value['dns_prefetch'][] = 'https://csi.gstatic.com';
+ $value['dns_prefetch'][] = 'https://pubads.g.doubleclick.net';
+ $value['dns_prefetch'][] = 'https://partner.googleadservices.com';
+ $value['dns_prefetch'][] = 'https://securepubads.g.doubleclick.net';
+
+ // Domains in the google_ads.js file.
+ $value['dns_prefetch'][] = 'https://pagead2.googlesyndication.com';
+
+ // Other domains that usually get hit.
+ $value['dns_prefetch'][] = 'https://cm.g.doubleclick.net';
+ $value['dns_prefetch'][] = 'https://tpc.googlesyndication.com';
+ }
+
+ // Google Analytics.
+ if (strpos($value['data'], 'GoogleAnalyticsObject') !== FALSE
+ || strpos($value['data'], '.google-analytics.com/ga.js') !== FALSE
+ ) {
+ if (!empty($value['dns_prefetch']) && is_string($value['dns_prefetch'])) {
+ $temp = $value['dns_prefetch'];
+ unset($value['dns_prefetch']);
+ $value['dns_prefetch'] = [$temp];
+ }
+ if (strpos($value['data'], '.google-analytics.com/ga.js') !== FALSE) {
+ $value['dns_prefetch'][] = 'https://ssl.google-analytics.com';
+ }
+ $value['dns_prefetch'][] = 'https://stats.g.doubleclick.net';
+ }
+ }
+ unset($value);
+
+ // Fix type if it was incorrectly set.
+ if (\Drupal::config('advagg.settings')->get('js_fix_type')) {
+ // Get hostname and base path.
+ $mod_base_url = substr($GLOBALS['base_root'] . $GLOBALS['base_path'], strpos($GLOBALS['base_root'] . $GLOBALS['base_path'], '//') + 2);
+ $mod_base_url_len = strlen($mod_base_url);
+
+ foreach ($js as &$value) {
+ // Skip if the data is empty or not a string.
+ if (empty($value['data']) || !is_string($value['data'])) {
+ continue;
+ }
+
+ // Default to file if not file or external.
+ if ($value['type'] !== 'file' && $value['type'] !== 'external') {
+ if ($value['type'] === 'settings') {
+ $value['type'] = 'setting';
+ }
+ else {
+ $value['type'] = 'file';
+ }
+ }
+
+ // If type is external but doesn't start with http, https, or // change it
+ // to file.
+ if ($value['type'] === 'external'
+ && stripos($value['data'], 'http://') !== 0
+ && stripos($value['data'], 'https://') !== 0
+ && stripos($value['data'], '//') !== 0
+ ) {
+ $value['type'] = 'file';
+ }
+
+ // If type is file but it starts with http, https, or // change it to
+ // external.
+ if ($value['type'] === 'file'
+ && (stripos($value['data'], 'http://') === 0
+ || stripos($value['data'], 'https://') === 0
+ || (stripos($value['data'], '//') === 0 && stripos($value['data'], '///') === FALSE))
+ ) {
+ $value['type'] = 'external';
+ }
+
+ // If type is external and starts with http, https, or // but points to
+ // this host change to file, but move it to the top of the aggregation
+ // stack as long as js_preserve_external is not set.
+ if (\Drupal::config('advagg.settings')->get('js_preserve_external') === FALSE) {
+ if ($value['type'] === 'external'
+ && stripos($value['data'], $mod_base_url) !== FALSE
+ && (stripos($value['data'], 'http://') === 0
+ || stripos($value['data'], 'https://') === 0
+ || stripos($value['data'], '//') === 0
+ )
+ ) {
+ $value['type'] = 'file';
+ $value['group'] = JS_LIBRARY;
+ $value['every_page'] = TRUE;
+ $value['weight'] = -40000;
+ $value['data'] = substr($value['data'], stripos($value['data'], $mod_base_url) + $mod_base_url_len);
+ }
+ }
+ }
+ unset($value);
+ }
+}
+
+/**
+ * Implements hook_css_alter().
+ */
+function advagg_css_alter(&$css) {
+ if (!advagg_enabled()) {
+ return;
+ }
+ if (\Drupal::config('advagg.settings')->get('css.fix_type')) {
+ // Fix type if it was incorrectly set.
+ foreach ($css as &$value) {
+ if (empty($value['data']) || !is_string($value['data'])) {
+ continue;
+ }
+
+ // Default to file if not set.
+ if ($value['type'] !== 'file' && $value['type'] !== 'external') {
+ $value['type'] = 'file';
+ }
+
+ // If type is external but doesn't start with http, https, or // change it
+ // to file.
+ if ($value['type'] === 'external'
+ && stripos($value['data'], 'http://') !== 0
+ && stripos($value['data'], 'https://') !== 0
+ && stripos($value['data'], '//') !== 0
+ ) {
+ $value['type'] = 'file';
+ }
+
+ // If type is file but it starts with http, https, or // change it to
+ // external.
+ if ($value['type'] === 'file'
+ && (stripos($value['data'], 'http://') === 0
+ || stripos($value['data'], 'https://') === 0
+ || (stripos($value['data'], '//') === 0
+ && stripos($value['data'], '///') === FALSE
+ )
+ )
+ ) {
+ $value['type'] = 'external';
+ }
+ }
+ unset($value);
+ }
+}
+
+/**
+ * Implements hook_form_FORM_ID_alter().
+ *
+ * Give advice on how to temporarily disable css/js aggregation.
+ */
+function advagg_form_system_performance_settings_alter(&$form, &$form_state) {
+ $msg = t('NOTE: If you wish to bypass aggregation for a set amount of time, you can go to the <a href="@operations">AdvAgg operations</a> page and press the "aggregation bypass cookie" button.', [
+ '@operations' => Url::fromRoute('advagg.operations')->toString(),
+ ]);
+
+ if (\Drupal::currentUser()->hasPermission('bypass advanced aggregation')) {
+ $msg .= t('You can also selectively bypass aggregation by adding <code>@code</code> to the URL of any page.', [
+ '@code' => '?advagg=0',
+ ]);
+ }
+ else {
+ $msg .= t('You do not have the <a href="@permission">bypass advanced aggregation permission</a> so adding <code>@code</code> to the URL will not work at this time for you; either grant this permission to your user role or use the bypass cookie if you wish to selectively bypass aggregation.', [
+ '@permission' => Url::fromRoute('user.admin_permissions')->toString(),
+ '@code' => '?advagg=0',
+ ]);
+ }
+
+ $form['bandwidth_optimization']['advagg_note'] = [
+ '#markup' => $msg,
+ ];
+}
+
+/**
+ * Returns TRUE if the CSS is being loaded via JavaScript.
+ *
+ * @return bool
+ * TRUE if CSS loaded via JS. FALSE if not.
+ */
+function advagg_css_in_js() {
+ if (\Drupal::moduleHandler()->moduleExists('advagg_mod')
+ && \Drupal::config('advagg_mod.settings')->get('css_defer')
+ ) {
+ return TRUE;
+ }
+ return \Drupal::config('advagg.settings')->get('advagg_css_in_js');
+}
+
+// Helper functions.
+/**
+ * Function used to see if aggregation is enabled.
+ *
+ * @return bool
+ * The value of the advagg_enabled variable.
+ */
+function advagg_enabled() {
+ $init = &drupal_static(__FUNCTION__);
+
+ if (!empty($init)) {
+ return $init['advagg'];
+ }
+
+ $advagg_config = \Drupal::config('advagg.settings');
+ $user = \Drupal::currentUser();
+ $init['advagg'] = $advagg_config->get('enabled');
+
+ // Disable AdvAgg if maintenance mode is defined.
+ if (defined('MAINTENANCE_MODE')) {
+ $init['advagg'] = FALSE;
+ return FALSE;
+ }
+ // Allow for AdvAgg to be enabled/disabled per request.
+ if (isset($_GET['advagg']) && $user->hasPermission('bypass advanced aggregation')) {
+ if ($_GET['advagg'] == 1) {
+ $init['advagg'] = TRUE;
+ }
+ else {
+ $init['advagg'] = FALSE;
+ }
+ }
+
+ // Do not use AdvAgg if the disable cookie is set.
+ $cookie_name = 'AdvAggDisabled';
+ $key = Crypt::hashBase64(\Drupal::service('private_key')->get());
+ if (!empty($_COOKIE[$cookie_name]) && $_COOKIE[$cookie_name] == $key) {
+ $init['advagg'] = FALSE;
+
+ // Let the user know that the AdvAgg bypass cookie is currently set.
+ static $msg_set;
+ if (!isset($msg_set) && $advagg_config->get('show_bypass_cookie_message')) {
+ $msg_set = TRUE;
+ if (\Drupal::currentUser()->hasPermission('administer site configuration')) {
+ drupal_set_message(t('The AdvAgg bypass cookie is currently enabled. Turn it off by going to the <a href="@advagg_operations">AdvAgg Operations</a> page and clicking the <em>Toggle the "aggregation bypass cookie" for this browser</em> button.', [
+ '@advagg_operations' => Url::fromRoute('advagg.operations', [], ['fragment' => 'edit-bypass'])->toString(),
+ ]));
+ }
+ else {
+ drupal_set_message(t('The AdvAgg bypass cookie is currently enabled. Turn it off by <a href="@login">logging in</a> with a user with the "administer site configuration" permissions and going to the AdvAgg Operations page (located at @advagg_operations) and clicking the <em>Toggle the "aggregation bypass cookie" for this browser</em> button.', [
+ '@login' => '/user/login',
+ '@advagg_operations' => Url::fromRoute('advagg.operations')->toString(),
+ ]));
+ }
+ }
+ }
+
+ // Enable debugging if requested.
+ if (isset($_GET['advagg-debug'])
+ && $_GET['advagg-debug'] == 1
+ && $user->hasPermission('bypass advanced aggregation')
+ ) {
+ global $config;
+ $config['advagg.settings']['debug'] = TRUE;
+ }
+
+ return $init['advagg'];
+}
+
+/**
+ * Get an array of all hooks and settings that affect aggregated files contents.
+ *
+ * @return array
+ * ['variables' => [], 'hooks' => []]
+ */
+function advagg_current_hooks_hash_array() {
+ $aggregate_settings = &drupal_static(__FUNCTION__);
+ if (isset($aggregate_settings)) {
+ return $aggregate_settings;
+ }
+
+ $config = \Drupal::config('advagg.settings');
+
+ // Put all enabled hooks and settings into a big array.
+ $aggregate_settings = [
+ 'variables' => ['advagg' => $config->get()],
+ 'hooks' => advagg_hooks_implemented(FALSE),
+ ];
+
+ // Add in language if locale is enabled.
+ if (\Drupal::moduleHandler()->moduleExists('locale')) {
+ $aggregate_settings['variables']['language'] = isset(\Drupal::languageManager()->getCurrentLanguage()->language) ? \Drupal::languageManager()->getCurrentLanguage()->language : '';
+ }
+
+ // Add the base url if so desired to.
+ if ($config->get('include_base_url')) {
+ $aggregate_settings['variables']['base_url'] = $GLOBALS['base_url'];
+ }
+
+ // Allow other modules to add in their own settings and hooks.
+ // Call hook_advagg_current_hooks_hash_array_alter().
+ \Drupal::moduleHandler()->alter('advagg_current_hooks_hash_array', $aggregate_settings);
+
+ return $aggregate_settings;
+}
+
+/**
+ * Get the serialization function.
+ *
+ * @return string
+ * The serializer. Defaults to json_encode.
+ */
+function advagg_get_serializer() {
+ $serialize_function = \Drupal::config('advagg.settings')->get('serializer');
+ if (!is_string($serialize_function) || !is_callable($serialize_function)) {
+ $serialize_function = 'json_encode';
+ }
+ return $serialize_function;
+}
+
+/**
+ * Get the hash of all hooks and settings that affect aggregated files contents.
+ *
+ * @return string
+ * hash value.
+ */
+function advagg_get_current_hooks_hash() {
+ $current_hash = &drupal_static(__FUNCTION__);
+
+ if (!isset($current_hash)) {
+ // Get all advagg hooks and variables in use.
+ $aggregate_settings = advagg_current_hooks_hash_array();
+
+ // Generate the hash.
+ $serialize_function = advagg_get_serializer();
+ $current_hash = Crypt::hashBase64($serialize_function($aggregate_settings));
+ }
+
+ return $current_hash;
+}
+
+/**
+ * Get back what hooks are implemented.
+ *
+ * @param bool $all
+ * If TRUE get all hooks related to css/js files.
+ * if FALSE get only the subset of hooks that alter the filename/contents.
+ *
+ * @return array
+ * List of hooks and what modules have implemented them.
+ */
+function advagg_hooks_implemented($all = TRUE) {
+ $hooks = &drupal_static(__FUNCTION__);
+ if ($hooks) {
+ return $hooks;
+ }
+ $module_handler = \Drupal::moduleHandler();
+
+ // Get hooks in use.
+ $hooks = [
+ 'advagg_aggregate_grouping_alter' => [],
+ 'advagg_css_contents_alter' => [],
+ 'advagg_js_contents_alter' => [],
+ 'advagg_current_hooks_hash_array_alter' => [],
+ 'advagg_hooks_implemented' => [],
+ ];
+ if ($all) {
+ $hooks += [
+ 'js_alter' => [],
+ 'css_alter' => [],
+ ];
+ }
+ // Call hook_advagg_hooks_implemented_alter().
+ $module_handler->alter('advagg_hooks_implemented', $hooks, $all);
+
+ // Cache module_implements as this will load up .inc files.
+ $serialize_function = advagg_get_serializer();
+ $cid = 'advagg_hooks_implemented:' . (int) $all . ':' . Crypt::hashBase64($serialize_function($hooks));
+ $cache = \Drupal::cache('bootstrap')->get($cid);
+ if (!empty($cache->data)) {
+ $hooks = $cache->data;
+ }
+ else {
+ foreach ($hooks as $hook => $values) {
+ $hooks[$hook] = $module_handler->getImplementations($hook);
+
+ // Also check themes as drupal_alter() allows for themes to alter things.
+ $theme_keys = \Drupal::service('theme_handler')->listInfo();
+ if (!empty($theme_keys)) {
+ foreach ($theme_keys as $theme_key => $info) {
+ $function = $theme_key . '_' . $hook;
+ if (function_exists($function)) {
+ $hooks[$hook][] = $info['name'];
+ }
+ }
+ }
+ }
+ \Drupal::cache('bootstrap')->set($cid, $hooks, REQUEST_TIME + 600);
+ }
+ return $hooks;
+}
+
+/**
+ * Given a uri, get the relative_path.
+ *
+ * @param string $uri
+ * The uri for the stream wrapper.
+ *
+ * @return string
+ * The relative path of the uri.
+ *
+ * @see https://www.drupal.org/node/837794#comment-9124435
+ */
+function advagg_get_relative_path($uri) {
+ $wrapper = \Drupal::service("stream_wrapper_manager")->getViaUri($uri);
+ if ($wrapper instanceof DrupalLocalStreamWrapper) {
+ $relative_path = $wrapper->getDirectoryPath() . '/' . file_uri_target($uri);
+ }
+ else {
+ $relative_path = parse_url(file_create_url($uri), PHP_URL_PATH);
+ if (substr($relative_path, 0, strlen($GLOBALS['base_path'])) == $GLOBALS['base_path']) {
+ $relative_path = substr($relative_path, strlen($GLOBALS['base_path']));
+ }
+ }
+ return $relative_path;
+}
+
+/**
+ * Return the global_counter variable.
+ *
+ * @return int
+ * Int value.
+ */
+function advagg_get_global_counter() {
+ $counter = &drupal_static(__FUNCTION__);
+ if (!$counter) {
+ $counter = \Drupal::config('advagg.settings')->get('global_counter');
+ if ($counter === NULL) {
+ $counter = 0;
+ }
+ }
+ return $counter;
+}
+
+/**
+ * Stable sort for CSS and JS items.
+ *
+ * Preserves the order of items with equal sort criteria.
+ *
+ * The function will sort by:
+ * - $item['group'], integer, ascending
+ * - $item['weight'], integer, ascending
+ *
+ * @param array &$items
+ * Array of JS or CSS items, as in hook_alter_js() and hook_alter_css().
+ * The array keys can be integers or strings. The items themselves are arrays.
+ *
+ * @see hook_alter_js()
+ * @see hook_alter_css()
+ */
+function advagg_drupal_sort_css_js_stable(array &$items) {
+ $nested = [];
+ foreach ($items as $key => $item) {
+ // Weight cast to string to preserve float.
+ $weight = (string) $item['weight'];
+ $nested[$item['group']][$weight][$key] = $item;
+ }
+ // First order by group, so that, for example, all items in the CSS_SYSTEM
+ // group appear before items in the CSS_DEFAULT group, which appear before
+ // all items in the CSS_THEME group. Modules may create additional groups by
+ // defining their own constants.
+ $sorted = [];
+ // Sort group; then iterate over it.
+ ksort($nested);
+ foreach ($nested as &$group_items) {
+ // Order by weight and iterate over it.
+ ksort($group_items);
+ foreach ($group_items as &$weight_items) {
+ foreach ($weight_items as $key => &$item) {
+ $sorted[$key] = $item;
+ }
+ unset($item);
+ }
+ unset($weight_items);
+ }
+ unset($group_items);
+ $items = $sorted;
+}
+
+/**
+ * Converts absolute paths to be self references.
+ *
+ * @param string $path
+ * Path to check.
+ *
+ * @return string
+ * The path.
+ */
+function advagg_convert_abs_to_rel($path) {
+ if (strpos($path, $GLOBALS['base_url']) === 0) {
+ $base_url = $GLOBALS['base_url'];
+ // Add a slash if none is found.
+ if (stripos(strrev($base_url), '/') !== 0) {
+ $base_url .= '/';
+ }
+ $path = str_replace($base_url, $GLOBALS['base_path'], $path);
+ }
+ return $path;
+}
+
+/**
+ * Converts absolute paths to be protocol relative paths.
+ *
+ * @param string $path
+ * Path to check.
+ *
+ * @return string
+ * The path.
+ */
+function advagg_path_convert_protocol_relative($path) {
+ if (strpos($path, 'https://') === 0) {
+ $path = substr($path, 6);
+ }
+ elseif (strpos($path, 'http://') === 0) {
+ $path = substr($path, 5);
+ }
+ return $path;
+}
+
+/**
+ * Convert http:// to https://.
+ *
+ * @param string $path
+ * Path to check.
+ *
+ * @return string
+ * The path.
+ */
+function advagg_path_convert_force_https($path) {
+ if (strpos($path, 'http://') === 0) {
+ $path = 'https://' . substr($path, 7);
+ }
+ return $path;
+}
+
+/**
+ * Convert the saved advagg cache level to a time interval.
+ *
+ * @param int $level
+ * The cache level.
+ *
+ * @return int
+ * The time interval.
+ */
+function advagg_get_cache_time($level = 0) {
+ switch ($level) {
+ case 1:
+ case 3:
+ return 86400;
+
+ case 5:
+ return 604800;
+
+ case 0:
+ default:
+ return 0;
+ }
+}
projects / yaffs-website / blobdiff