From c78c1a3f08815aab99752026ccdf1dcf63cf43c1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= Date: Mon, 19 Jan 2015 21:27:22 +0100 Subject: @fivefilters via composer --- inc/3rdparty/makefulltextfeed.php | 912 -------------------------------------- 1 file changed, 912 deletions(-) delete mode 100755 inc/3rdparty/makefulltextfeed.php (limited to 'inc/3rdparty/makefulltextfeed.php') diff --git a/inc/3rdparty/makefulltextfeed.php b/inc/3rdparty/makefulltextfeed.php deleted file mode 100755 index 27a62d73..00000000 --- a/inc/3rdparty/makefulltextfeed.php +++ /dev/null @@ -1,912 +0,0 @@ -. -*/ - -// Usage -// ----- -// Request this file passing it a web page or feed URL in the querystring: makefulltextfeed.php?url=example.org/article -// For more request parameters, see http://help.fivefilters.org/customer/portal/articles/226660-usage - -//error_reporting(E_ALL ^ E_NOTICE); -ini_set("display_errors", 1); -@set_time_limit(120); -libxml_use_internal_errors(true); - - -// Deal with magic quotes -if (get_magic_quotes_gpc()) { - $process = array(&$_GET, &$_POST, &$_REQUEST); - while (list($key, $val) = each($process)) { - foreach ($val as $k => $v) { - unset($process[$key][$k]); - if (is_array($v)) { - $process[$key][stripslashes($k)] = $v; - $process[] = &$process[$key][stripslashes($k)]; - } else { - $process[$key][stripslashes($k)] = stripslashes($v); - } - } - } - unset($process); -} - -// set include path -set_include_path(realpath(dirname(__FILE__).'/libraries').PATH_SEPARATOR.get_include_path()); - -require_once dirname(__FILE__).'/makefulltextfeedHelpers.php'; - -//////////////////////////////// -// Load config file -//////////////////////////////// -require dirname(__FILE__).'/config.php'; - -//////////////////////////////// -// Prevent indexing/following by search engines because: -// 1. The content is already public and presumably indexed (why create duplicates?) -// 2. Not doing so might increase number of requests from search engines, thus increasing server load -// Note: feed readers and services such as Yahoo Pipes will not be affected by this header. -// Note: Using Disallow in a robots.txt file will be more effective (search engines will check -// that before even requesting makefulltextfeed.php). -//////////////////////////////// -header('X-Robots-Tag: noindex, nofollow'); - -//////////////////////////////// -// Check if service is enabled -//////////////////////////////// -if (!$options->enabled) { - die('The full-text RSS service is currently disabled'); -} - -//////////////////////////////// -// Debug mode? -// See the config file for debug options. -//////////////////////////////// -$debug_mode = false; -if (isset($_GET['debug'])) { - if ($options->debug === true || $options->debug == 'user') { - $debug_mode = true; - } elseif ($options->debug == 'admin') { - session_start(); - $debug_mode = (@$_SESSION['auth'] == 1); - } - if ($debug_mode) { - header('Content-Type: text/plain; charset=utf-8'); - } else { - if ($options->debug == 'admin') { - die('You must be logged in to the admin area to see debug output.'); - } else { - die('Debugging is disabled.'); - } - } -} - -//////////////////////////////// -// Check for APC -//////////////////////////////// -$options->apc = $options->apc && function_exists('apc_add'); -if ($options->apc) { - debug('APC is enabled and available on server'); -} else { - debug('APC is disabled or not available on server'); -} - -//////////////////////////////// -// Check for smart cache -//////////////////////////////// -$options->smart_cache = $options->smart_cache && function_exists('apc_inc'); - -//////////////////////////////// -// Check for feed URL -//////////////////////////////// -if (!isset($_GET['url'])) { - die('No URL supplied'); -} -$url = trim($_GET['url']); -if (strtolower(substr($url, 0, 7)) == 'feed://') { - $url = 'http://'.substr($url, 7); -} -if (!preg_match('!^https?://.+!i', $url)) { - $url = 'http://'.$url; -} - -$url = filter_var($url, FILTER_SANITIZE_URL); -$test = filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED); -// deal with bug http://bugs.php.net/51192 (present in PHP 5.2.13 and PHP 5.3.2) -if ($test === false) { - $test = filter_var(strtr($url, '-', '_'), FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED); -} -if ($test !== false && $test !== null && preg_match('!^https?://!', $url)) { - // all okay - unset($test); -} else { - die('Invalid URL supplied'); -} -debug("Supplied URL: $url"); - -///////////////////////////////// -// Redirect to hide API key -///////////////////////////////// -if (isset($_GET['key']) && ($key_index = array_search($_GET['key'], $options->api_keys)) !== false) { - $host = $_SERVER['HTTP_HOST']; - $path = rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\'); - $_qs_url = (strtolower(substr($url, 0, 7)) == 'http://') ? substr($url, 7) : $url; - $redirect = 'http://'.htmlspecialchars($host.$path).'/makefulltextfeed.php?url='.urlencode($_qs_url); - $redirect .= '&key='.$key_index; - $redirect .= '&hash='.urlencode(sha1($_GET['key'].$url)); - if (isset($_GET['html'])) $redirect .= '&html='.urlencode($_GET['html']); - if (isset($_GET['max'])) $redirect .= '&max='.(int)$_GET['max']; - if (isset($_GET['links'])) $redirect .= '&links='.urlencode($_GET['links']); - if (isset($_GET['exc'])) $redirect .= '&exc='.urlencode($_GET['exc']); - if (isset($_GET['format'])) $redirect .= '&format='.urlencode($_GET['format']); - if (isset($_GET['callback'])) $redirect .= '&callback='.urlencode($_GET['callback']); - if (isset($_GET['l'])) $redirect .= '&l='.urlencode($_GET['l']); - if (isset($_GET['xss'])) $redirect .= '&xss'; - if (isset($_GET['use_extracted_title'])) $redirect .= '&use_extracted_title'; - if (isset($_GET['content'])) $redirect .= '&content='.urlencode($_GET['content']); - if (isset($_GET['summary'])) $redirect .= '&summary='.urlencode($_GET['summary']); - if (isset($_GET['debug'])) $redirect .= '&debug'; - if ($debug_mode) { - debug('Redirecting to hide access key, follow URL below to continue'); - debug("Location: $redirect"); - } else { - header("Location: $redirect"); - } - exit; -} - -/////////////////////////////////////////////// -// Set timezone. -// Prevents warnings, but needs more testing - -// perhaps if timezone is set in php.ini we -// don't need to set it at all... -/////////////////////////////////////////////// -if (!ini_get('date.timezone') || !@date_default_timezone_set(ini_get('date.timezone'))) { - date_default_timezone_set('UTC'); -} - -/////////////////////////////////////////////// -// Check if the request is explicitly for an HTML page -/////////////////////////////////////////////// -$html_only = (isset($_GET['html']) && ($_GET['html'] == '1' || $_GET['html'] == 'true')); - -/////////////////////////////////////////////// -// Check if valid key supplied -/////////////////////////////////////////////// -$valid_key = false; -if (isset($_GET['key']) && isset($_GET['hash']) && isset($options->api_keys[(int)$_GET['key']])) { - $valid_key = ($_GET['hash'] == sha1($options->api_keys[(int)$_GET['key']].$url)); -} -$key_index = ($valid_key) ? (int)$_GET['key'] : 0; -if (!$valid_key && $options->key_required) { - die('A valid key must be supplied'); -} -if (!$valid_key && isset($_GET['key']) && $_GET['key'] != '') { - die('The entered key is invalid'); -} - -if (file_exists('custom_init.php')) require 'custom_init.php'; - -/////////////////////////////////////////////// -// Check URL against list of blacklisted URLs -/////////////////////////////////////////////// -if (!url_allowed($url)) die('URL blocked'); - -/////////////////////////////////////////////// -// Max entries -// see config.php to find these values -/////////////////////////////////////////////// -if (isset($_GET['max'])) { - $max = (int)$_GET['max']; - if ($valid_key) { - $max = min($max, $options->max_entries_with_key); - } else { - $max = min($max, $options->max_entries); - } -} else { - if ($valid_key) { - $max = $options->default_entries_with_key; - } else { - $max = $options->default_entries; - } -} - -/////////////////////////////////////////////// -// Link handling -/////////////////////////////////////////////// -if (isset($_GET['links']) && in_array($_GET['links'], array('preserve', 'footnotes', 'remove'))) { - $links = $_GET['links']; -} else { - $links = 'preserve'; -} - -/////////////////////////////////////////////// -// Favour item titles in feed? -/////////////////////////////////////////////// -$favour_feed_titles = true; -if ($options->favour_feed_titles == 'user') { - $favour_feed_titles = !isset($_GET['use_extracted_title']); -} else { - $favour_feed_titles = $options->favour_feed_titles; -} - -/////////////////////////////////////////////// -// Include full content in output? -/////////////////////////////////////////////// -if ($options->content === 'user') { - if (isset($_GET['content']) && $_GET['content'] === '0') { - $options->content = false; - } else { - $options->content = true; - } -} - -/////////////////////////////////////////////// -// Include summaries in output? -/////////////////////////////////////////////// -if ($options->summary === 'user') { - if (isset($_GET['summary']) && $_GET['summary'] === '1') { - $options->summary = true; - } else { - $options->summary = false; - } -} - -/////////////////////////////////////////////// -// Exclude items if extraction fails -/////////////////////////////////////////////// -if ($options->exclude_items_on_fail === 'user') { - $exclude_on_fail = (isset($_GET['exc']) && ($_GET['exc'] == '1')); -} else { - $exclude_on_fail = $options->exclude_items_on_fail; -} - -/////////////////////////////////////////////// -// Detect language -/////////////////////////////////////////////// -if ($options->detect_language === 'user') { - if (isset($_GET['l'])) { - $detect_language = (int)$_GET['l']; - } else { - $detect_language = 1; - } -} else { - $detect_language = $options->detect_language; -} - -$use_cld = extension_loaded('cld') && (version_compare(PHP_VERSION, '5.3.0') >= 0); - -///////////////////////////////////// -// Check for valid format -// (stick to RSS (or RSS as JSON) for the time being) -///////////////////////////////////// -if (isset($_GET['format']) && $_GET['format'] == 'json') { - $format = 'json'; -} else { - $format = 'rss'; -} - -///////////////////////////////////// -// Should we do XSS filtering? -///////////////////////////////////// -if ($options->xss_filter === 'user') { - $xss_filter = isset($_GET['xss']); -} else { - $xss_filter = $options->xss_filter; -} -if (!$xss_filter && isset($_GET['xss'])) { - die('XSS filtering is disabled in config'); -} - -///////////////////////////////////// -// Check for JSONP -// Regex from https://gist.github.com/1217080 -///////////////////////////////////// -$callback = null; -if ($format =='json' && isset($_GET['callback'])) { - $callback = trim($_GET['callback']); - foreach (explode('.', $callback) as $_identifier) { - if (!preg_match('/^[a-zA-Z_$][0-9a-zA-Z_$]*(?:\[(?:".+"|\'.+\'|\d+)\])*?$/', $_identifier)) { - die('Invalid JSONP callback'); - } - } - debug("JSONP callback: $callback"); -} - -////////////////////////////////// -// Enable Cross-Origin Resource Sharing (CORS) -////////////////////////////////// -if ($options->cors) header('Access-Control-Allow-Origin: *'); - -////////////////////////////////// -// Check for cached copy -////////////////////////////////// -if ($options->caching) { - debug('Caching is enabled...'); - $cache_id = md5($max.$url.(int)$valid_key.$links.(int)$favour_feed_titles.(int)$options->content.(int)$options->summary.(int)$xss_filter.(int)$exclude_on_fail.$format.$detect_language.(int)isset($_GET['pubsub'])); - $check_cache = true; - if ($options->apc && $options->smart_cache) { - apc_add("cache.$cache_id", 0, 10*60); - $apc_cache_hits = (int)apc_fetch("cache.$cache_id"); - $check_cache = ($apc_cache_hits >= 2); - apc_inc("cache.$cache_id"); - if ($check_cache) { - debug('Cache key found in APC, we\'ll try to load cache file from disk'); - } else { - debug('Cache key not found in APC'); - } - } - if ($check_cache) { - $cache = get_cache(); - if ($data = $cache->load($cache_id)) { - if ($debug_mode) { - debug('Loaded cached copy'); - exit; - } - if ($format == 'json') { - if ($callback === null) { - header('Content-type: application/json; charset=UTF-8'); - } else { - header('Content-type: application/javascript; charset=UTF-8'); - } - } else { - header('Content-type: text/xml; charset=UTF-8'); - header('X-content-type-options: nosniff'); - } - if (headers_sent()) die('Some data has already been output, can\'t send RSS file'); - if ($callback) { - echo "$callback($data);"; - } else { - echo $data; - } - exit; - } - } -} - -////////////////////////////////// -// Set Expires header -////////////////////////////////// -if (!$debug_mode) { - header('Expires: ' . gmdate('D, d M Y H:i:s', time()+(60*10)) . ' GMT'); -} - -////////////////////////////////// -// Set up HTTP agent -////////////////////////////////// -global $http; -$http = new HumbleHttpAgent(); -$http->debug = $debug_mode; -$http->userAgentMap = $options->user_agents; -$http->headerOnlyTypes = array_keys($options->content_type_exc); -$http->rewriteUrls = $options->rewrite_url; - -////////////////////////////////// -// Set up Content Extractor -////////////////////////////////// -global $extractor; -$extractor = new ContentExtractor(dirname(__FILE__).'/site_config/custom', dirname(__FILE__).'/site_config/standard'); -$extractor->debug = $debug_mode; -SiteConfig::$debug = $debug_mode; -SiteConfig::use_apc($options->apc); -$extractor->fingerprints = $options->fingerprints; -$extractor->allowedParsers = $options->allowed_parsers; - -//////////////////////////////// -// Get RSS/Atom feed -//////////////////////////////// -if (!$html_only) { - debug('--------'); - debug("Attempting to process URL as feed"); - // Send user agent header showing PHP (prevents a HTML response from feedburner) - $http->userAgentDefault = HumbleHttpAgent::UA_PHP; - // configure SimplePie HTTP extension class to use our HumbleHttpAgent instance - SimplePie_HumbleHttpAgent::set_agent($http); - $feed = new SimplePie(); - // some feeds use the text/html content type - force_feed tells SimplePie to process anyway - $feed->force_feed(true); - $feed->set_file_class('SimplePie_HumbleHttpAgent'); - //$feed->set_feed_url($url); // colons appearing in the URL's path get encoded - $feed->feed_url = $url; - $feed->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE); - $feed->set_timeout(20); - $feed->enable_cache(false); - $feed->set_stupidly_fast(true); - $feed->enable_order_by_date(false); // we don't want to do anything to the feed - $feed->set_url_replacements(array()); - // initialise the feed - // the @ suppresses notices which on some servers causes a 500 internal server error - $result = @$feed->init(); - //$feed->handle_content_type(); - //$feed->get_title(); - if ($result && (!is_array($feed->data) || count($feed->data) == 0)) { - die('Sorry, no feed items found'); - } - // from now on, we'll identify ourselves as a browser - $http->userAgentDefault = HumbleHttpAgent::UA_BROWSER; -} - -//////////////////////////////////////////////////////////////////////////////// -// Our given URL is not a feed, so let's create our own feed with a single item: -// the given URL. This basically treats all non-feed URLs as if they were -// single-item feeds. -//////////////////////////////////////////////////////////////////////////////// -$isDummyFeed = false; -if ($html_only || !$result) { - debug('--------'); - debug("Constructing a single-item feed from URL"); - $isDummyFeed = true; - unset($feed, $result); - // create single item dummy feed object - $feed = new DummySingleItemFeed($url); -} - -//////////////////////////////////////////// -// Create full-text feed -//////////////////////////////////////////// -$output = new FeedWriter(); -$output->setTitle(strip_tags($feed->get_title())); -$output->setDescription(strip_tags($feed->get_description())); -$output->setXsl('css/feed.xsl'); // Chrome uses this, most browsers ignore it -if ($valid_key && isset($_GET['pubsub'])) { // used only on fivefilters.org at the moment - $output->addHub('http://fivefilters.superfeedr.com/'); - $output->addHub('http://pubsubhubbub.appspot.com/'); - $output->setSelf('http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']); -} -$output->setLink($feed->get_link()); // Google Reader uses this for pulling in favicons -if ($img_url = $feed->get_image_url()) { - $output->setImage($feed->get_title(), $feed->get_link(), $img_url); -} - -//////////////////////////////////////////// -// Loop through feed items -//////////////////////////////////////////// -$items = $feed->get_items(0, $max); -// Request all feed items in parallel (if supported) -$urls_sanitized = array(); -$urls = array(); -foreach ($items as $key => $item) { - $permalink = htmlspecialchars_decode($item->get_permalink()); - // Colons in URL path segments get encoded by SimplePie, yet some sites expect them unencoded - $permalink = str_replace('%3A', ':', $permalink); - // validateUrl() strips non-ascii characters - // simplepie already sanitizes URLs so let's not do it again here. - //$permalink = $http->validateUrl($permalink); - if ($permalink) { - $urls_sanitized[] = $permalink; - } - $urls[$key] = $permalink; -} -debug('--------'); -debug('Fetching feed items'); -$http->fetchAll($urls_sanitized); -//$http->cacheAll(); - -// count number of items added to full feed -$item_count = 0; - -foreach ($items as $key => $item) { - debug('--------'); - debug('Processing feed item '.($item_count+1)); - $do_content_extraction = true; - $extract_result = false; - $text_sample = null; - $permalink = $urls[$key]; - debug("Item URL: $permalink"); - $extracted_title = ''; - $feed_item_title = $item->get_title(); - if ($feed_item_title !== null) { - $feed_item_title = strip_tags(htmlspecialchars_decode($feed_item_title)); - } - $newitem = $output->createNewItem(); - $newitem->setTitle($feed_item_title); - if ($valid_key && isset($_GET['pubsub'])) { // used only on fivefilters.org at the moment - if ($permalink !== false) { - $newitem->setLink('http://fivefilters.org/content-only/redirect.php?url='.urlencode($permalink)); - } else { - $newitem->setLink('http://fivefilters.org/content-only/redirect.php?url='.urlencode($item->get_permalink())); - } - } else { - if ($permalink !== false) { - $newitem->setLink($permalink); - } else { - $newitem->setLink($item->get_permalink()); - } - } - //if ($permalink && ($response = $http->get($permalink, true)) && $response['status_code'] < 300) { - // Allowing error codes - some sites return correct content with error status - // e.g. prospectmagazine.co.uk returns 403 - if ($permalink && ($response = $http->get($permalink, true)) && ($response['status_code'] < 300 || $response['status_code'] > 400)) { - $effective_url = $response['effective_url']; - if (!url_allowed($effective_url)) continue; - // check if action defined for returned Content-Type - $mime_info = get_mime_action_info($response['headers']); - if (isset($mime_info['action'])) { - if ($mime_info['action'] == 'exclude') { - continue; // skip this feed item entry - } elseif ($mime_info['action'] == 'link') { - if ($mime_info['type'] == 'image') { - $html = "\"{$mime_info['name']}\""; - } else { - $html = "Download {$mime_info['name']}"; - } - $extracted_title = $mime_info['name']; - $do_content_extraction = false; - } - } - if ($do_content_extraction) { - $html = $response['body']; - // remove strange things - $html = str_replace('', '', $html); - $html = convert_to_utf8($html, $response['headers']); - // check site config for single page URL - fetch it if found - $is_single_page = false; - if ($single_page_response = getSinglePage($item, $html, $effective_url)) { - $is_single_page = true; - $effective_url = $single_page_response['effective_url']; - // check if action defined for returned Content-Type - $mime_info = get_mime_action_info($single_page_response['headers']); - if (isset($mime_info['action'])) { - if ($mime_info['action'] == 'exclude') { - continue; // skip this feed item entry - } elseif ($mime_info['action'] == 'link') { - if ($mime_info['type'] == 'image') { - $html = "\"{$mime_info['name']}\""; - } else { - $html = "Download {$mime_info['name']}"; - } - $extracted_title = $mime_info['name']; - $do_content_extraction = false; - } - } - if ($do_content_extraction) { - $html = $single_page_response['body']; - // remove strange things - $html = str_replace('', '', $html); - $html = convert_to_utf8($html, $single_page_response['headers']); - debug("Retrieved single-page view from $effective_url"); - } - unset($single_page_response); - } - } - if ($do_content_extraction) { - debug('--------'); - debug('Attempting to extract content'); - $extract_result = $extractor->process($html, $effective_url); - $readability = $extractor->readability; - $content_block = ($extract_result) ? $extractor->getContent() : null; - $extracted_title = ($extract_result) ? $extractor->getTitle() : ''; - // Deal with multi-page articles - //die('Next: '.$extractor->getNextPageUrl()); - $is_multi_page = (!$is_single_page && $extract_result && $extractor->getNextPageUrl()); - if ($options->multipage && $is_multi_page && $options->content) { - debug('--------'); - debug('Attempting to process multi-page article'); - $multi_page_urls = array(); - $multi_page_content = array(); - while ($next_page_url = $extractor->getNextPageUrl()) { - debug('--------'); - debug('Processing next page: '.$next_page_url); - // If we've got URL, resolve against $url - if ($next_page_url = makeAbsoluteStr($effective_url, $next_page_url)) { - // check it's not what we have already! - if (!in_array($next_page_url, $multi_page_urls)) { - // it's not, so let's attempt to fetch it - $multi_page_urls[] = $next_page_url; - $_prev_ref = $http->referer; - if (($response = $http->get($next_page_url, true)) && $response['status_code'] < 300) { - // make sure mime type is not something with a different action associated - $page_mime_info = get_mime_action_info($response['headers']); - if (!isset($page_mime_info['action'])) { - $html = $response['body']; - // remove strange things - $html = str_replace('', '', $html); - $html = convert_to_utf8($html, $response['headers']); - if ($extractor->process($html, $next_page_url)) { - $multi_page_content[] = $extractor->getContent(); - continue; - } else { debug('Failed to extract content'); } - } else { debug('MIME type requires different action'); } - } else { debug('Failed to fetch URL'); } - } else { debug('URL already processed'); } - } else { debug('Failed to resolve against '.$effective_url); } - // failed to process next_page_url, so cancel further requests - $multi_page_content = array(); - break; - } - // did we successfully deal with this multi-page article? - if (empty($multi_page_content)) { - debug('Failed to extract all parts of multi-page article, so not going to include them'); - $_page = $readability->dom->createElement('p'); - $_page->innerHTML = 'This article appears to continue on subsequent pages which we could not extract'; - $multi_page_content[] = $_page; - } - foreach ($multi_page_content as $_page) { - $_page = $content_block->ownerDocument->importNode($_page, true); - $content_block->appendChild($_page); - } - unset($multi_page_urls, $multi_page_content, $page_mime_info, $next_page_url, $_page); - } - } - // use extracted title for both feed and item title if we're using single-item dummy feed - if ($isDummyFeed) { - $output->setTitle($extracted_title); - $newitem->setTitle($extracted_title); - } else { - // use extracted title instead of feed item title? - if (!$favour_feed_titles && $extracted_title != '') { - debug('Using extracted title in generated feed'); - $newitem->setTitle($extracted_title); - } - } - } - if ($do_content_extraction) { - // if we failed to extract content... - if (!$extract_result) { - if ($exclude_on_fail) { - debug('Failed to extract, so skipping (due to exclude on fail parameter)'); - continue; // skip this and move to next item - } - //TODO: get text sample for language detection - $html = $options->error_message; - // keep the original item description - $html .= $item->get_description(); - } else { - $readability->clean($content_block, 'select'); - // get base URL - $base_url = get_base_url($readability->dom); - if (!$base_url) $base_url = $effective_url; - // rewrite URLs - if ($options->rewrite_relative_urls) makeAbsolute($base_url, $content_block); - // footnotes - if (($links == 'footnotes') && (strpos($effective_url, 'wikipedia.org') === false)) { - $readability->addFootnotes($content_block); - } - // remove nesting:

test

=

test

- while ($content_block->childNodes->length == 1 && $content_block->firstChild->nodeType === XML_ELEMENT_NODE) { - // only follow these tag names - if (!in_array(strtolower($content_block->tagName), array('div', 'article', 'section', 'header', 'footer'))) break; - //$html = $content_block->firstChild->innerHTML; // FTR 2.9.5 - $content_block = $content_block->firstChild; - } - // convert content block to HTML string - // Need to preserve things like body: //img[@id='feature'] - if (in_array(strtolower($content_block->tagName), array('div', 'article', 'section', 'header', 'footer'))) { - $html = $content_block->innerHTML; - } else { - $html = $content_block->ownerDocument->saveXML($content_block); // essentially outerHTML - } - //unset($content_block); - // post-processing cleanup - $html = preg_replace('!

[\s\h\v]*

!u', '', $html); - if ($links == 'remove') { - $html = preg_replace('!]*>!', '', $html); - } - // get text sample for language detection - $text_sample = strip_tags(substr($html, 0, 500)); - $html = make_substitutions($options->message_to_prepend).$html; - $html .= make_substitutions($options->message_to_append); - } - } - - if ($valid_key && isset($_GET['pubsub'])) { // used only on fivefilters.org at the moment - $newitem->addElement('guid', 'http://fivefilters.org/content-only/redirect.php?url='.urlencode($item->get_permalink()), array('isPermaLink'=>'false')); - } else { - $newitem->addElement('guid', $item->get_permalink(), array('isPermaLink'=>'true')); - } - // filter xss? - if ($xss_filter) { - debug('Filtering HTML to remove XSS'); - $html = htmLawed::hl($html, array('safe'=>1, 'deny_attribute'=>'style', 'comment'=>1, 'cdata'=>1)); - } - - // add content - if ($options->summary === true) { - // get summary - $summary = ''; - if (!$do_content_extraction) { - $summary = $html; - } else { - // Try to get first few paragraphs - if (isset($content_block) && ($content_block instanceof DOMElement)) { - $_paras = $content_block->getElementsByTagName('p'); - foreach ($_paras as $_para) { - $summary .= preg_replace("/[\n\r\t ]+/", ' ', $_para->textContent).' '; - if (strlen($summary) > 200) break; - } - } else { - $summary = $html; - } - } - unset($_paras, $_para); - $summary = get_excerpt($summary); - $newitem->setDescription($summary); - if ($options->content) $newitem->setElement('content:encoded', $html); - } else { - if ($options->content) $newitem->setDescription($html); - } - - // set date - if ((int)$item->get_date('U') > 0) { - $newitem->setDate((int)$item->get_date('U')); - } elseif ($extractor->getDate()) { - $newitem->setDate($extractor->getDate()); - } - - // add authors - if ($authors = $item->get_authors()) { - foreach ($authors as $author) { - // for some feeds, SimplePie stores author's name as email, e.g. http://feeds.feedburner.com/nymag/intel - if ($author->get_name() !== null) { - $newitem->addElement('dc:creator', $author->get_name()); - } elseif ($author->get_email() !== null) { - $newitem->addElement('dc:creator', $author->get_email()); - } - } - } elseif ($authors = $extractor->getAuthors()) { - //TODO: make sure the list size is reasonable - foreach ($authors as $author) { - // TODO: xpath often selects authors from other articles linked from the page. - // for now choose first item - $newitem->addElement('dc:creator', $author); - break; - } - } - - // add language - if ($detect_language) { - $language = $extractor->getLanguage(); - if (!$language) $language = $feed->get_language(); - if (($detect_language == 3 || (!$language && $detect_language == 2)) && $text_sample) { - try { - if ($use_cld) { - // Use PHP-CLD extension - $php_cld = 'CLD\detect'; // in quotes to prevent PHP 5.2 parse error - $res = $php_cld($text_sample); - if (is_array($res) && count($res) > 0) { - $language = $res[0]['code']; - } - } else { - //die('what'); - // Use PEAR's Text_LanguageDetect - if (!isset($l)) { - $l = new Text_LanguageDetect(); - $l->setNameMode(2); // return ISO 639-1 codes (e.g. "en") - } - $l_result = $l->detect($text_sample, 1); - if (count($l_result) > 0) { - $language = key($l_result); - } - } - } catch (Exception $e) { - //die('error: '.$e); - // do nothing - } - } - if ($language && (strlen($language) < 7)) { - $newitem->addElement('dc:language', $language); - } - } - - // add MIME type (if it appeared in our exclusions lists) - if (isset($mime_info['mime'])) $newitem->addElement('dc:format', $mime_info['mime']); - // add effective URL (URL after redirects) - if (isset($effective_url)) { - //TODO: ensure $effective_url is valid witout - sometimes it causes problems, e.g. - //http://www.siasat.pk/forum/showthread.php?108883-Pakistan-Chowk-by-Rana-Mubashir-�-25th-March-2012-Special-Program-from-Liari-(Karachi) - //temporary measure: use utf8_encode() - $newitem->addElement('dc:identifier', remove_url_cruft(utf8_encode($effective_url))); - } else { - $newitem->addElement('dc:identifier', remove_url_cruft($item->get_permalink())); - } - - // add categories - if ($categories = $item->get_categories()) { - foreach ($categories as $category) { - if ($category->get_label() !== null) { - $newitem->addElement('category', $category->get_label()); - } - } - } - - // check for enclosures - if ($options->keep_enclosures) { - if ($enclosures = $item->get_enclosures()) { - foreach ($enclosures as $enclosure) { - // thumbnails - foreach ((array)$enclosure->get_thumbnails() as $thumbnail) { - $newitem->addElement('media:thumbnail', '', array('url'=>$thumbnail)); - } - if (!$enclosure->get_link()) continue; - $enc = array(); - // Media RSS spec ($enc): http://search.yahoo.com/mrss - // SimplePie methods ($enclosure): http://simplepie.org/wiki/reference/start#methods4 - $enc['url'] = $enclosure->get_link(); - if ($enclosure->get_length()) $enc['fileSize'] = $enclosure->get_length(); - if ($enclosure->get_type()) $enc['type'] = $enclosure->get_type(); - if ($enclosure->get_medium()) $enc['medium'] = $enclosure->get_medium(); - if ($enclosure->get_expression()) $enc['expression'] = $enclosure->get_expression(); - if ($enclosure->get_bitrate()) $enc['bitrate'] = $enclosure->get_bitrate(); - if ($enclosure->get_framerate()) $enc['framerate'] = $enclosure->get_framerate(); - if ($enclosure->get_sampling_rate()) $enc['samplingrate'] = $enclosure->get_sampling_rate(); - if ($enclosure->get_channels()) $enc['channels'] = $enclosure->get_channels(); - if ($enclosure->get_duration()) $enc['duration'] = $enclosure->get_duration(); - if ($enclosure->get_height()) $enc['height'] = $enclosure->get_height(); - if ($enclosure->get_width()) $enc['width'] = $enclosure->get_width(); - if ($enclosure->get_language()) $enc['lang'] = $enclosure->get_language(); - $newitem->addElement('media:content', '', $enc); - } - } - } - $output->addItem($newitem); - unset($html); - $item_count++; -} - -// output feed -debug('Done!'); -/* -if ($debug_mode) { - $_apc_data = apc_cache_info('user'); - var_dump($_apc_data); exit; -} -*/ -if (!$debug_mode) { - if ($callback) echo "$callback("; // if $callback is set, $format also == 'json' - if ($format == 'json') $output->setFormat(($callback === null) ? JSON : JSONP); - $add_to_cache = $options->caching; - // is smart cache mode enabled? - if ($add_to_cache && $options->apc && $options->smart_cache) { - // yes, so only cache if this is the second request for this URL - $add_to_cache = ($apc_cache_hits >= 2); - // purge cache - if ($options->cache_cleanup > 0) { - if (rand(1, $options->cache_cleanup) == 1) { - // apc purge code adapted from from http://www.thimbleopensource.com/tutorials-snippets/php-apc-expunge-script - $_apc_data = apc_cache_info('user'); - foreach ($_apc_data['cache_list'] as $_apc_item) { - if ($_apc_item['ttl'] > 0 && ($_apc_item['ttl'] + $_apc_item['creation_time'] < time())) { - apc_delete($_apc_item['info']); - } - } - } - } - } - if ($add_to_cache) { - ob_start(); - $output->genarateFeed(false); - $output = ob_get_contents(); - ob_end_clean(); - if ($html_only && $item_count == 0) { - // do not cache - in case of temporary server glitch at source URL - } else { - $cache = get_cache(); - if ($add_to_cache) $cache->save($output, $cache_id); - } - echo $output; - } else { - $output->genarateFeed(false); - } - if ($callback) echo ');'; -} - -- cgit v1.2.3