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feed-importing.php
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<?php /** * Functions relating to feed importing * * @package WPRSSAggregator */ // Warning: Order may be important add_filter('wprss_normalize_permalink', 'wprss_google_news_url_fix', 8); add_filter('wprss_normalize_permalink', 'wprss_bing_news_url_fix', 9); add_filter('wprss_normalize_permalink', 'wprss_google_alerts_url_fix', 10); add_filter('wprss_normalize_permalink', 'wprss_convert_video_permalink', 100); // Adds comparators for item sorting add_filter('wprss_item_comparators', 'wprss_sort_comparators_default'); add_action( 'wprss_fetch_single_feed_hook', 'wprss_fetch_insert_single_feed_items' ); /** * The main feed fetching function. * Fetches the feed items from the source provided and inserts them into the DB. * * Called on hook 'wprss_fetch_single_feed_hook'. * * @since 3.2 * * @throws Exception */ function wprss_fetch_insert_single_feed_items( $feed_ID ) { set_transient('wpra/feeds/importing/' . $feed_ID, true, 0); global $wprss_importing_feed; $wprss_importing_feed = $feed_ID; register_shutdown_function('wprss_detect_exec_timeout'); $importFn = function ($feed_ID) { $feedName = get_the_title($feed_ID); $logger = wpra_get_logger($feed_ID); $logger->info('Starting import for "{0}"', [$feedName]); $t = microtime(true); // Check if the feed source is active. if ( ! wprss_is_feed_source_active( $feed_ID ) && ! wprss_feed_source_force_next_fetch( $feed_ID ) ) { $logger->info('Feed is not active. Finished'); return; } // If the feed source is forced for next fetch, remove the force next fetch data if ( wprss_feed_source_force_next_fetch( $feed_ID ) ) { delete_post_meta( $feed_ID, 'wprss_force_next_fetch' ); } // Truncate old items first wprss_truncate_items_for_source( $feed_ID ); // Get the feed source URL from post meta, and filter it $feed_url = get_post_meta( $feed_ID, 'wprss_url', true ); $feed_url = apply_filters( 'wprss_feed_source_url', $feed_url, $feed_ID ); $logger->debug('Feed source URL: {0}', [$feed_url]); // Get the feed limit from post meta $feed_limit = get_post_meta( $feed_ID, 'wprss_limit', true ); // If the feed has no individual limit if ( $feed_limit === '' || intval( $feed_limit ) <= 0 ) { // Get the global limit $global_limit = wprss_get_general_setting('limit_feed_items_imported'); // If no global limit is set, mark as NULL if ( $global_limit === '' || intval($global_limit) <= 0 ) { $feed_limit = NULL; } else $feed_limit = $global_limit; } // Filter the URL for validity if ( ! wprss_validate_url( $feed_url ) ) { $logger->error('Feed URL is not valid!'); } else { // Get the feed items from the source $items = wprss_get_feed_items( $feed_url, $feed_ID ); // If got NULL, convert to an empty array if ( $items === NULL ) { $items_to_insert = array(); } else { // See `wprss_item_comparators` filter wprss_sort_items($items); // If using a limit ... if ( $feed_limit === NULL ) { $items_to_insert = $items; } else { $items_to_insert = array_slice( $items, 0, $feed_limit ); $logger->debug('{0} items in the feed, {1} items after applying limit', [ count($items), count($items_to_insert) ]); } } $unique_titles_only = get_post_meta($feed_ID, 'wprss_unique_titles', true); $unique_titles_only = ($unique_titles_only === '') ? wprss_get_general_setting('unique_titles') : $unique_titles_only; $unique_titles_only = filter_var($unique_titles_only, FILTER_VALIDATE_BOOLEAN); // Gather the existing feed item IDs for this feed source $useGuids = get_post_meta($feed_ID, 'wprss_use_guids', true); $useGuids = filter_var($useGuids, FILTER_VALIDATE_BOOLEAN); // Gather the IDs and titles of the items that are imported // The import process will not only check the IDs and titles against the DB, but also against the feed // itself. This prevents duplicate items in the feed from importing duplicates. $existingIds = []; $existingTitles = []; // Generate a list of items fetched, that are not already in the DB $new_items = array(); foreach ( $items_to_insert as $item ) { $itemTitle = $item->get_title(); $guid = $item->get_id(); $permalink = $item->get_permalink(); $permalink = wprss_normalize_permalink( $permalink, $item, $feed_ID ); // Check if blacklisted if (wprss_is_blacklisted($permalink)) { $logger->debug('Item "{0}" is blacklisted', [$itemTitle]); continue; } $itemId = $useGuids ? $guid : $permalink; // Check if already imported in database //----------------------------------------- $itemIdExists = $useGuids ? wprss_guid_exists($guid) : wprss_permalink_exists($permalink); $itemsTitleExists = $unique_titles_only && wprss_item_title_exists($item->get_title()); if ($itemIdExists || $itemsTitleExists) { $reason = $itemIdExists ? ($useGuids ? 'GUID' : 'permalink') : 'Non-unique title'; $logger->debug('Item "{title}" already exists in the database. Reason: {reason}', [ 'title' => $itemTitle, 'reason' => $reason ]); continue; } // Check if item is duplicated in the feed //----------------------------------------- $itemIdIsDuped = array_key_exists($itemId, $existingIds); $itemTitleIsDuped = $unique_titles_only && array_key_exists($itemTitle, $existingTitles); if ($itemIdIsDuped || $itemTitleIsDuped) { $reason = $itemIdIsDuped ? ($useGuids ? 'GUID' : 'permalink') : 'Non-unique title'; $logger->debug('Item "{title}" is duplicated in the feed. Reason: {reason}', [ 'title' => $itemTitle, 'reason' => $reason, ]); continue; } else { $existingIds[$itemId] = 1; $existingTitles[$itemTitle] = 1; } $new_items[] = $item; } $original_count = count( $items_to_insert ); $new_count = count( $new_items ); if ( $new_count !== $original_count ) { $logger->debug('{0} will be skipped', [$original_count - $new_count]); } $items_to_insert = $new_items; $per_import = wprss_get_general_setting('limit_feed_items_per_import'); if (!empty($per_import)) { $items_to_insert = array_slice( $items_to_insert, 0, $per_import ); } // If using a limit - delete any excess items to make room for the new items if ( $feed_limit !== NULL ) { // Get the number of feed items in DB, and their count $db_feed_items = wprss_get_feed_items_for_source( $feed_ID ); $num_db_feed_items = $db_feed_items->post_count; // Get the number of feed items we can store until we reach the limit $num_can_insert = $feed_limit - $num_db_feed_items; // Calculate how many feed items we must delete before importing, to keep to the limit $num_new_items = count( $new_items ); $num_feed_items_to_delete = $num_can_insert > $num_new_items ? 0 : $num_new_items - $num_can_insert; // Get an array with the DB feed items in reverse order (the oldest first) $db_feed_items_reversed = array_reverse( $db_feed_items->posts ); // Cut the array to get only the first few that are to be deleted ( equal to $num_feed_items_to_delete ) $feed_items_to_delete = array_slice( $db_feed_items_reversed, 0, $num_feed_items_to_delete ); // Iterate the feed items and delete them $num_items_deleted = 0; foreach ( $feed_items_to_delete as $post ) { wp_delete_post( $post->ID, TRUE ); $num_items_deleted++; } if ($num_items_deleted > 0) { $logger->info('Deleted the oldest {0} items', [$num_items_deleted]); } } update_post_meta( $feed_ID, 'wprss_last_update', time() ); update_post_meta( $feed_ID, 'wprss_last_update_items', 0 ); // Insert the items into the db if ( !empty( $items_to_insert ) ) { wprss_items_insert_post( $items_to_insert, $feed_ID ); } } $next_scheduled = get_post_meta( $feed_ID, 'wprss_reschedule_event', TRUE ); if ( $next_scheduled !== '' ) { wprss_feed_source_update_start_schedule( $feed_ID ); delete_post_meta( $feed_ID, 'wprss_reschedule_event' ); $logger->info('Scheduled next update'); } $t = microtime(true) - $t; $logger->info(sprintf('Import completed in %.2f seconds!', $t)); }; try { $importFn($feed_ID); } catch (Exception $e) { wpra_get_logger($feed_ID)->error($e->getMessage()); throw $e; } delete_transient('wpra/feeds/importing/' . $feed_ID); wprss_flag_feed_as_idle($feed_ID); $wprss_importing_feed = null; } /** * Fetches the feed items from a feed at the given URL. * * Called from 'wprss_fetch_insert_single_feed_items' * * @since 3.0 * * @return SimplePie_Item[]|null */ function wprss_get_feed_items( $feed_url, $source, $force_feed = FALSE ) { // Add filters and actions prior to fetching the feed items add_filter( 'wp_feed_cache_transient_lifetime' , 'wprss_feed_cache_lifetime' ); /* Fetch the feed from the soure URL specified */ $feed = wprss_fetch_feed( $feed_url, $source, $force_feed ); if (is_wp_error($feed)) { if ($source !== null) { wpra_get_logger($source)->error('Failed to fetch the RSS feed. {1}', [ $feed_url, wprss_rewrite_feed_error($feed_url, $feed->get_error_message()) ]); } return NULL; } update_post_meta( $source, 'wprss_site_url', $feed->get_permalink() ); update_post_meta( $source, 'wprss_feed_image', $feed->get_image_url() ); // Remove previously added filters and actions remove_filter( 'wp_feed_cache_transient_lifetime' , 'wprss_feed_cache_lifetime' ); return @$feed->get_items(); } if (defined('WP_DEBUG') && WP_DEBUG) { /** * Allow debugging of wp_cron jobs using xDebug. * * This is done by taking the XDEBUG cookie received from the browser (which enables an xDebug session) and passing it * to WP Cron. That way, code initiated from a cron job will be debuggable. * * @param array $cronRequest * * @return array $cron_request_array with the current XDEBUG_SESSION cookie added if set */ add_action('cron_request', function($cronRequest) { if (empty($_COOKIE['XDEBUG_SESSION'])) { return ($cronRequest); } $cookie = filter_var($_COOKIE['XDEBUG_SESSION'], FILTER_SANITIZE_STRING); if (empty($cronRequest['args']['cookies'])) { $cronRequest['args']['cookies'] = []; } $cronRequest['args']['cookies']['XDEBUG_SESSION'] = $cookie; return $cronRequest; }); } /** * Checks if feed caching is enabled. * * This function will only return true if the cache option is enabled in the settings AND the cache directory exists * or can be successfully created and is writable. * * @since 4.15 * * @return bool */ function wprss_is_feed_cache_enabled() { $cacheOption = wprss_get_general_setting('feed_cache_enabled'); $cacheOption = filter_var($cacheOption, FILTER_VALIDATE_BOOLEAN); if (!$cacheOption) { return false; } $cacheDir = wprss_get_feed_cache_dir(); if (!file_exists($cacheDir)) { @mkdir($cacheDir); } return is_writable($cacheDir); } /** * Retrieves the feed cache directory. * * @since 4.15 * * @return string */ function wprss_get_feed_cache_dir() { return wpra_container()->get('wpra/importer/cache/dir'); } /** * A clone of the function 'fetch_feed' in wp-includes/feed.php [line #529] * * Called from 'wprss_get_feed_items' * * @since 3.5 */ function wprss_fetch_feed($url, $source = null, $param_force_feed = false) { // Trim the URL $url = trim($url); // Parse the URL $parsed = wpra_parse_url($url); // Filter the URL $url = apply_filters('wpra/importer/feed/url', $url, $parsed); // Initialize the Feed $feed = new SimplePie(); $feed->set_feed_url($url); $feed->set_autodiscovery_level(SIMPLEPIE_LOCATOR_ALL); // If a feed source was passed if ($source !== null || $param_force_feed) { // Get the force-feed option for the feed source $force_feed = get_post_meta($source, 'wprss_force_feed', true); // If turned on, force the feed if ($force_feed == 'true' || $param_force_feed) { $feed->force_feed(true); $feed->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE); global $wpraNoSslVerification; $wpraNoSslVerification = true; } } // Set timeout limit $fetch_time_limit = wprss_get_feed_fetch_time_limit(); $feed->set_timeout($fetch_time_limit); $cacheEnabled = wprss_is_feed_cache_enabled(); $feed->enable_cache($cacheEnabled); if ($cacheEnabled) { $feed->set_cache_location(wprss_get_feed_cache_dir()); } // Reference array action hook, for the feed object and the URL do_action_ref_array('wp_feed_options', array(&$feed, $url)); // Prepare the tags to strip from the feed $tags_to_strip = apply_filters('wprss_feed_tags_to_strip', $feed->strip_htmltags, $source); // Strip them $feed->strip_htmltags($tags_to_strip); do_action('wprss_fetch_feed_before', $feed, $source); // Fetch the feed $feed->init(); $feed->handle_content_type(); do_action('wprss_fetch_feed_after', $feed); // Convert the feed error into a WP_Error, if applicable if ($feed->error()) { return new WP_Error('simplepie-error', $feed->error(), array('feed' => $feed)); } // If no error, return the feed and remove any error meta delete_post_meta($source, 'wprss_error_last_import'); return $feed; } /** * Normalizes the given permalink. * * @param string $permalink The permalink to normalize * @return string The normalized permalink * @since 4.2.3 */ function wprss_normalize_permalink( $permalink, $item, $feed_ID) { // Apply normalization functions on the permalink $permalink = trim( $permalink ); $permalink = htmlspecialchars_decode($permalink); $permalink = sanitize_url($permalink); $permalink = apply_filters( 'wprss_normalize_permalink', $permalink, $item, $feed_ID); // Return the normalized permalink return $permalink; } /** * Extracts the actual URL from a Google News permalink * * @param string $permalink The permalink to normalize. * @since 4.2.3 */ function wprss_google_news_url_fix($permalink) { return wprss_tracking_url_fix($permalink, '!^(https?:\/\/)?' . preg_quote('news.google.com', '!') . '.*!'); } /** * Extracts the actual URL from a Google Alerts permalink * * @param string $permalink The permalink to normalize. * @since 4.7.3 */ function wprss_google_alerts_url_fix($permalink) { return wprss_tracking_url_fix($permalink, '!^(https?:\/\/)?(www\.)?' . preg_quote('google.com/url', '!') . '.*!'); } /** * Extracts the actual URL from a Bing permalink * * @param string $permalink The permalink to normalize. * @since 4.2.3 */ function wprss_bing_news_url_fix($permalink) { return wprss_tracking_url_fix($permalink, '!^(https?:\/\/)?(www\.)?' . preg_quote('bing.com/news', '!') . '.*!'); } /** * Checks if the permalink is a tracking permalink based on host, and if * it is, returns the normalized URL of the proper feed item article, * determined by the named query argument. * * Fixes the issue with equivalent Google News etc. items having * different URLs, that contain randomly generated GET parameters. * Example: * * http://news.google.com/news/url?sa=t&fd=R&ct2=us&ei=V3e9U6izMMnm1QaB1YHoDA&url=http://abcd... * http://news.google.com/news/url?sa=t&fd=R&ct2=us&ei=One9U-HQLsTp1Aal-oDQBQ&url=http://abcd... * * @param string $permalink The permalink URL to check and/or normalize. * @param string|array $patterns One or an array of host names, for which the URL should be fixed. * @param string Name of the query argument that specifies the actual URL. * @return string The normalized URL of the original article, as indicated by the `url` * parameter in the URL query string. * @since 4.2.3 */ function wprss_tracking_url_fix( $permalink, $patterns, $argName = 'url' ) { // Parse the url $parsed = parse_url( urldecode( html_entity_decode( $permalink ) ) ); $patterns = is_array($patterns) ? $patterns :array($patterns); // If parsing failed, return the permalink if ( $parsed === FALSE || $parsed === NULL ) return $permalink; // Determine if it's a tracking item $isMatch = false; foreach( $patterns as $_idx => $_pattern ) { if( preg_match($_pattern, $permalink) ) { $isMatch = true; break; } } if( !$isMatch ) return $permalink; // Check if the url GET query string is present if ( !isset( $parsed['query'] ) ) return $permalink; // Parse the query string $query = array(); parse_str( $parsed['query'], $query ); // Check if the url GET parameter is present in the query string if ( !is_array($query) || !isset( $query[$argName] ) ) return $permalink; return urldecode( $query[$argName] ); } /** * Converts YouTube, Vimeo and DailyMotion video urls * into embedded video player urls. * If the permalink is not a video url, the permalink is returned as is. * * @param string $permalink The string permalink url to convert. * @return string A string, with the convert permalink, or the same permalink passed as parameter if * not a video url. * @since 4.0 */ function wprss_convert_video_permalink( $permalink ) { // CHECK PERMALINK FOR VIDEO HOSTS : YOUTUBE, VIMEO AND DAILYMOTION $found_video_host = preg_match( '/http[s]?:\/\/(www\.)?(youtube|dailymotion|vimeo)\.com\/(.*)/i', $permalink, $matches ); // If video host was found if ( $found_video_host !== 0 && $found_video_host !== FALSE ) { // Get general options $options = get_option( 'wprss_settings_general' ); // Get the video link option entry, or false if it does not exist $video_link = ( isset($options['video_link']) )? $options['video_link'] : 'false'; // If the video link option is true, change the video URL to its repective host's embedded // video player URL. Otherwise, leave the permalink as is. if ( strtolower( $video_link ) === 'true' ) { $host = $matches[2]; switch( $host ) { case 'youtube': preg_match( '/([&?])v=([^&]+)/', $permalink, $yt_matches ); $permalink = 'https://www.youtube.com/embed/' . $yt_matches[1]; break; case 'vimeo': preg_match( '/(\d*)$/i', $permalink, $vim_matches ); $permalink = 'https://player.vimeo.com/video/' . $vim_matches[0]; break; case 'dailymotion': preg_match( '/(\.com\/)(video\/)(.*)/i', $permalink, $dm_matches ); $permalink = 'https://www.dailymotion.com/embed/video/' . $dm_matches[3]; break; } } } return $permalink; } /** * Insert wprss_feed_item posts into the DB * * @since 3.0 * * @param SimplePie_Item[] $items * @param int|string $feed_ID */ function wprss_items_insert_post( $items, $feed_ID ) { update_post_meta( $feed_ID, 'wprss_feed_is_updating', $update_started_at = time() ); $logger = wpra_get_logger($feed_ID); // Count of items inserted $items_inserted = 0; // The date format expected by WordPress when inserting posts $date_format = 'Y-m-d H:i:s'; // Check if we can schedule future items $schedule_items_filter = apply_filters('wpra/importer/allow_scheduled_items', false); $schedule_items_option = wprss_get_general_setting('schedule_future_items'); $schedule_future_items = $schedule_items_filter || $schedule_items_option; // Get whether the imported items count should still be updated, even if the item is imported by a filter or add-on $still_update_count = apply_filters( 'wprss_still_update_import_count', FALSE ); foreach ( $items as $i => $item ) { $permalink = $item->get_permalink(); $permalink = wprss_normalize_permalink($permalink, $item, $feed_ID); $logger->debug('Beginning import for item "{0}"', [$item->get_title()]); // Save the enclosure URL $enclosure_url = ''; $enclosure = $item->get_enclosure(0); if ($enclosure && $enclosure->get_link()) { $enclosure_url = $enclosure->get_link(); } // Extend the importing time and refresh the feed's updating flag to reflect that it is active $time_limit = wprss_get_item_import_time_limit(); set_time_limit( $time_limit ); global $wp_filter; if (isset($wp_filter['wprss_insert_post_item_conditionals'])) { $hook = $wp_filter['wprss_insert_post_item_conditionals']; if (count($hook->callbacks) > 0) { $logger->debug('Hooks for `wprss_insert_post_item_conditionals`:'); } foreach ($hook->callbacks as $list) { foreach ($list as $callback) { $logger->debug('-> {0}', [wprss_format_hook_callback($callback)]); } } } $logger->debug('Checking conditionals ...'); // Apply filters that determine if the feed item should be inserted into the DB or not. $ogItem = $item; $item = apply_filters( 'wprss_insert_post_item_conditionals', $item, $feed_ID, $permalink ); /* @var $item SimplePie_Item */ // If the item is not NULL, continue to inserting the feed item post into the DB if ( $item !== NULL && !is_bool($item) ) { $logger->debug('Resuming insertion into DB'); $post_status = 'publish'; // Get the date and normalize if not valid or not given by the feed $timestamp = $item->get_date( 'U' ); $has_date = !empty($timestamp); if ($has_date) { $logger->debug('Feed item "{0}" date: {1}', [$item->get_title(), $item->get_date($date_format)]); if ($timestamp > time()) { // Item has a future timestamp ... $logger->debug('Item "{0}" has a future date', [$item->get_title()]); // If we can schedule future items, set the post status to "future" (aka scheduled). // Otherwise, clamp the timestamp to the current time minus 1 second for each item iteration. // This results in the items having a 1-second time difference between them, and preserves their // order when sorting by their timestamp. if ($schedule_future_items) { $logger->debug('Setting future status'); $post_status = 'future'; } else { $logger->debug('Date was clamped to present time'); $timestamp = min(time() - $i, $timestamp); } } } else { // Item has no date, use the current time $logger->debug('Item "{0}" has no date. Using current time', [$item->get_title()]); $timestamp = time(); } $date = date( $date_format, $timestamp ); $date_gmt = gmdate( $date_format, $timestamp ); $logger->debug('Date for "{0}" will be {1}', [$item->get_title(), $date]); // Do not let WordPress sanitize the excerpt // WordPress sanitizes the excerpt because it's expected to be typed by a user and sent in a POST // request. However, our excerpt is being inserted as a raw string with custom sanitization. remove_all_filters( 'excerpt_save_pre' ); $title = trim(html_entity_decode($item->get_title())); $title = empty($title) ? $item->get_id() : $title; // Prepare the item data $feed_item = apply_filters( 'wprss_populate_post_data', array( 'post_title' => $title, 'post_content' => $item->get_content(), 'post_excerpt' => wprss_sanitize_excerpt($item->get_description()), 'post_status' => $post_status, 'post_type' => 'wprss_feed_item', 'post_date' => $date, 'post_date_gmt' => $date_gmt ), $item ); if ( defined('ICL_SITEPRESS_VERSION') ) @include_once( WP_PLUGIN_DIR . '/sitepress-multilingual-cms/inc/wpml-api.php' ); if ( defined('ICL_LANGUAGE_CODE') ) { $_POST['icl_post_language'] = $language_code = ICL_LANGUAGE_CODE; } // Create and insert post object into the DB $inserted_ID = wp_insert_post( $feed_item, true ); if ( !is_wp_error( $inserted_ID ) ) { if ( is_object( $inserted_ID ) ) { if ( isset( $inserted_ID['ID'] ) ) { $inserted_ID = $inserted_ID['ID']; } elseif ( isset( $inserted_ID->ID ) ) { $inserted_ID = $inserted_ID->ID; } } $logger->debug('Item "{0}" was inserted into DB, ID: {1}', [ $ogItem->get_title(), $inserted_ID, ]); // Create and insert post meta into the DB wprss_items_insert_post_meta( $inserted_ID, $item, $feed_ID, $permalink ); $logger->debug('Inserted meta data for item #{0}', [ $inserted_ID, ]); // Increment the inserted items counter $items_inserted++; $logger->notice('Finished import for item {0}, ID {1}', [ $ogItem->get_title(), $inserted_ID, ]); } else { $message = sprintf( __('Failed to save a feed item: %s', 'wprss'), $inserted_ID->get_error_message() ); update_post_meta($feed_ID, 'wprss_error_last_import', $message); $logger->error($message); } } // If the item is TRUE, then a hook function in the filter inserted the item. // increment the inserted counter elseif ( ( is_bool($item) && $item === TRUE ) || ( $still_update_count === TRUE && $item !== FALSE ) ) { $logger->debug('Item "{0}" was imported by an add-on or filter', [ $ogItem->get_title(), ]); $items_inserted++; } elseif (has_filter('wprss_insert_post_item_conditionals', 'wprss_kf_check_post_item_keywords')) { $logger->info('Item "{0}" was rejected by your keyword or tag filtering.', [ $ogItem->get_title() ]); } else { $logger->notice('Item "{0}" was rejected by an add-on or filter.', [ $ogItem->get_title() ]); } } update_post_meta( $feed_ID, 'wprss_last_update_items', $items_inserted ); } /** * Inserts the appropriate post meta for feed items. * * Called from 'wprss_items_insert_post' * * @since 2.3 * * @param int $inserted_ID The inserted post ID. * @param SimplePie_Item $item The SimplePie item object. * @param string $permalink The item's permalink. */ function wprss_items_insert_post_meta( $inserted_ID, $item, $feed_ID, $permalink ) { update_post_meta($inserted_ID, 'wprss_item_guid', $item->get_id()); update_post_meta($inserted_ID, 'wprss_item_permalink', $permalink ); update_post_meta($inserted_ID, 'wprss_item_date', $item->get_date(DATE_ISO8601)); $enclosure = $item->get_enclosure(0); $enclosureUrl = $enclosure ? $enclosure->get_link() : null; if ($enclosureUrl) { $enclosureType = $enclosure->get_type(); update_post_meta( $inserted_ID, 'wprss_item_enclosure', $enclosureUrl ); update_post_meta( $inserted_ID, 'wprss_item_enclosure_type', $enclosureType ); if (stripos($enclosureType, 'audio') !== false) { update_post_meta( $inserted_ID, 'wprss_item_audio', $enclosureUrl ); } } /* @var $item SimplePie_Item */ $feed = $item->get_feed(); // Get the source from the RSS item $source = wprss_get_item_source_info($item); // Get the source name if available. If empty, default to the feed source CPT title $sourceName = empty($source->name) ? $feed->get_title() : $source->name; // Get the source URL if available. If empty, default to the RSS feed's URL $sourceUrl = empty($source->link) ? $feed->get_permalink() : $source->link; update_post_meta( $inserted_ID, 'wprss_item_source_name', $sourceName); update_post_meta( $inserted_ID, 'wprss_item_source_url', $sourceUrl); $author = $item->get_author(); if ($author instanceof SimplePie_Author) { update_post_meta( $inserted_ID, 'wprss_item_author', $author->get_name() ); update_post_meta( $inserted_ID, 'wprss_item_author_email', $author->get_email() ); update_post_meta( $inserted_ID, 'wprss_item_author_link', $author->get_link() ); } update_post_meta( $inserted_ID, 'wprss_feed_id', $feed_ID); do_action( 'wprss_items_create_post_meta', $inserted_ID, $item, $feed_ID ); } /** * Gets the source info from a feed item. * * @param SimplePie_Item $item * * @return object An object with 2 properties: 'name' and 'link'. */ function wprss_get_item_source_info(SimplePie_Item $item) { $source = $item->get_source(); if ($source === null) { // Attempt to get RSS 2.0 <source> $rss2Source = $item->get_item_tags('', 'source'); $rss2Source = is_array($rss2Source) ? $rss2Source : []; $name = isset($rss2Source[0]['data']) ? $rss2Source[0]['data'] : ''; $link = isset($rss2Source[0]['attribs']['']['url']) ? $rss2Source[0]['attribs']['']['url'] : ''; $source = (object) [ 'name' => $name, 'link' => $link, ]; } else { $source = (object) [ 'name' => $source->get_title(), 'link' => $source->get_permalink(), ]; } return $source; } /** * Returns the time limit for the importing of a single feed item. * The value if filtered through 'wprss_item_import_time_limit'. The default value is WPRSS_ITEM_IMPORT_TIME_LIMIT. * * @since 4.6.6 * @return int The maximum amount of seconds allowed for a single feed item to import. */ function wprss_get_item_import_time_limit() { return apply_filters( 'wprss_item_import_time_limit', WPRSS_ITEM_IMPORT_TIME_LIMIT ); } /** * Returns the time limit for a feed fetch operation. * The value if filtered through 'wprss_feed_fetch_time_limit'. The default value is WPRSS_FEED_FETCH_TIME_LIMIT. * * @since 4.6.6 * @return int The maximum amount of seconds allowed for an RSS feed XML document to be fetched. */ function wprss_get_feed_fetch_time_limit() { return apply_filters( 'wprss_feed_fetch_time_limit', WPRSS_FEED_FETCH_TIME_LIMIT ); } /** * Fetches all feed items from all feed sources. * Iteratively calls 'wprss_fetch_insert_single_feed_items' for all feed sources. * * This function is used by the cron job or the debugging functions to get all feeds from all feed sources * * @param boolean $all If set to TRUE, the function will pull from all feed sources, regardless of their individual * update interval. If set to FALSE, only feed sources using the global update system will be updated. * (Optional) Default: TRUE. * @since 3.0 */ function wprss_fetch_insert_all_feed_items( $all = TRUE ) { wpra_get_logger()->info('Beginning import for all feed sources'); // Get all feed sources $feed_sources = wprss_get_all_feed_sources(); if( $feed_sources->have_posts() ) { // Start by getting one feed source, we will cycle through them one by one, // fetching feed items and adding them to the database in each pass while ( $feed_sources->have_posts() ) { $feed_sources->the_post(); $interval = get_post_meta( get_the_ID(), 'wprss_update_interval', TRUE ); $using_global_interval = ( $interval === wprss_get_default_feed_source_update_interval() || $interval === '' ); // Check if fetching from all, or if feed source uses the global interval if ( $all === TRUE || $using_global_interval ) { wp_schedule_single_event( time(), 'wprss_fetch_single_feed_hook', array( get_the_ID() ) ); } } wp_reset_postdata(); // Restore the $post global to the current post in the main query } } /** * Runs the above function with parameter FALSE * * @since 3.9 */ function wprss_fetch_insert_all_feed_items_from_cron() { wprss_fetch_insert_all_feed_items( FALSE ); } /** * Shutdown function for detecting if the PHP script reaches the maximum execution time limit * while importing a feed. * * @since 4.6.6 */ function wprss_detect_exec_timeout() { global $wprss_importing_feed; $feed_ID = (isset($wprss_importing_feed) && !empty($wprss_importing_feed)) ? $wprss_importing_feed : null; if ($feed_ID === null) { return; } // Remove the "importing" flag from the feed source wprss_flag_feed_as_idle($feed_ID); // If no error, stop $error = error_get_last(); if (empty($error)) { return; } $errorDetails = $error['message']; if (!empty($error['file'])) { $errorDetails .= ' in ' . $error['file']; } if (!empty($error['line'])) { $errorDetails .= ' on line ' . $error['line']; } $msg = sprintf( __('The importing process failed after %d seconds with the message: "%s"', 'wprss'), wprss_get_item_import_time_limit(), $errorDetails ); // Save the error in the feed source's meta and the plugin log update_post_meta($feed_ID, 'wprss_error_last_import', $msg); wpra_get_logger($feed_ID)->error($msg); } /** * Validates a feed item. * * @since 4.11.2 * * @param SimplePie_Item|mixed $item The item to validate. * * @return SimplePie_Item|null The item, if it passes; otherwise, null. */ function wprss_item_filter_valid($item) { return $item instanceof SimplePie_Item ? $item : null; } /** * Sorts items according to settings. * * Use the `wprss_item_comparators` filter to change the list of comparators * used to determine the new order of items. See {@see wprss_items_sort_compare_items()}. * * @since 4.11.2 * * @param SimplePie_Item[] $items The items list. * @param WP_Post $feedSource The feed source, for which to sort, if any. */ function wprss_sort_items(&$items, $feedSource = null) { // Callbacks used to compare items $comparators = apply_filters('wprss_item_comparators', array()); if (empty($comparators)) { return; } try { usort($items, function ($itemA, $itemB) use ($comparators, $feedSource) { return wprss_items_sort_compare_items($itemA, $itemB, $comparators, $feedSource); }); } catch (\InvalidArgumentException $e) { wpra_get_logger($feedSource)->warning('Encountered an error while sorting the database items: {0}', [ $e->getMessage() ]); } } /** * Recursively compares two items using a list of comparators. * * If a comparator determines that two items are equal, then the items are * evaluated using the next comparator in list, recursively until one of * the comparators establishes a difference between items, or the list of * comparators is exhausted. * * @since 4.11.2 * * @param SimplePie_Item|mixed $itemA The item being compared; * @param SimplePie_Item|mixed $itemB The item being compared to; * @param callable[] $comparators A list of functions for item comparison. * * @return int A result usable as a return value for {@see usort()}. * * @throws \InvalidArgumentException If the comparator is not callable. */ function wprss_items_sort_compare_items($itemA, $itemB, $comparators, $feedSource = null) { if (empty($comparators)) { return 0; } $comparator = array_shift($comparators); if (!is_callable($comparator)) { throw new \InvalidArgumentException('Comparator must be callable'); } $result = call_user_func_array($comparator, array($itemA, $itemB, $feedSource)); if (!$result) { return wprss_items_sort_compare_items($itemA, $itemB, $comparators); } return $result; } /** * Retrieves a custom field of a feed source, or a general setting if the field doesn't exist. * * @since 4.11.2 * * @param string $key The key of the field or setting. * @param WP_Post|null $feedSource The feed source, if any. * @return mixed */ function wprss_get_source_meta_or_setting($key, $feedSource = null) { $value = null; if ($feedSource instanceof WP_Post) { $value = $feedSource->{$key}; } return $value !== null && $value !== false ? $value : wprss_get_general_setting($key); } /** * Determines date order of two feed items. * * Which should come first is determined by `feed_items_import_order` setting. * * @since 4.11.2 * * @param SimplePie_Item|mixed $itemA The first item. * @param SimplePie_Item|mixed $itemB The second item. * @param WP_Post|null $feedSource The feed source for which the items are being compared, if any. * @return int A comparison result for {@see usort()}. */ function wprss_item_comparator_date($itemA, $itemB, $feedSource = null) { $sortOrder = wprss_get_source_meta_or_setting('feed_items_import_order', $feedSource); if (empty($sortOrder)) { return 0; } if (!wprss_item_filter_valid($itemA) || !wprss_item_filter_valid($itemB)) { return 0; } $aDate = intval($itemA->get_gmdate('U')); $bDate = intval($itemB->get_gmdate('U')); switch ($sortOrder) { case 'latest': if ($aDate === $bDate) { return null; } return $aDate > $bDate ? -1 : 1; case 'oldest': return $aDate < $bDate ? -1 : 1; case '': default: return 0; } } /** * Retrieves default comparators for sorting. * * @since 4.11.2 * * @param WP_Post|null $feedSource The feed source, for which to get comparators, if any. * * @return callable[] The list of comparators. */ function wprss_sort_comparators_default($feedSource = null) { $helper = wprss_wp_container()->get('wprss.admin_helper'); $defaultArgs = array(2 => $feedSource); return array( $helper->createCommand('wprss_item_comparator_date', $defaultArgs), ); } /** * Sanitizes a post excerpt, cleverly removing all HTML markup while preserving text content and whitespace. * * @since 4.14 * * @param string $excerpt The excerpt to sanitize. * * @return string */ function wprss_sanitize_excerpt($excerpt) { // Decode HTML entities back to their respective characters $excerpt = html_entity_decode($excerpt); // Add a space between any HTML elements $excerpt = str_replace('>', ' >', $excerpt); // Strip all HTML tags $excerpt = strip_tags($excerpt); // Remove any redundant spaces $excerpt = str_replace(' ', ' ', trim($excerpt)); return $excerpt; } /** * Parses a URL, it's query and its path. * * @since 4.14 * * @param string $url The URL to parse. * * @return array */ function wpra_parse_url($url) { // Parse the URL $parsed = parse_url($url); // Move the path to "path_str" $parsed['path_str'] = isset($parsed['path']) ? $parsed['path'] : ''; // Explode the path $parsed['path'] = explode('/', $parsed['path_str']); // Move the query to "query_str" $parsed['query_str'] = isset($parsed['query']) ? $parsed['query'] : ''; // Parse the query parse_str($parsed['query_str'], $parsed['query']); return $parsed; } function wprss_rewrite_feed_error(string $feed_url, string $error) { // Check if it's a local address $host = parse_url($feed_url, PHP_URL_HOST); $host = strtolower(trim($host)); if ($host === 'localhost' || $host === '127.0.0.1' || $host === '0.0.0.0' || $host === '::1') { return __('Kindly double-check the feed URL.', 'wprss'); } if (str_contains($error, 'invalid XML')) { return __('The feed is not a valid XML document', 'wprss'); } return __('The URL is not valid RSS feed URL', 'wprss'); }
/home/sudancam/././www/wp-content/plugins/wp-rss-aggregator/includes/feed-importing.php