public function init() { if (function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<') || !extension_loaded('xml') || !extension_loaded('pcre')) { return false; } elseif (!extension_loaded('xmlreader')) { static $xml_is_sane = null; if ($xml_is_sane === null) { $parser_check = xml_parser_create(); xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); xml_parser_free($parser_check); $xml_is_sane = isset($values[0]['value']); } if (!$xml_is_sane) { return false; } } if (isset($_GET[$this->javascript])) { SimplePie_Misc::output_javascript(); exit; } $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class); $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen); if ($this->feed_url !== null || $this->raw_data !== null) { $this->error = null; $this->data = array(); $this->multifeed_objects = array(); $cache = false; if ($this->feed_url !== null) { $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url); if ($this->cache && $parsed_feed_url['scheme'] !== '') { $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc'); } if ($cache && !$this->xml_dump) { $this->data = $cache->load(); if (!empty($this->data)) { if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD) { $cache->unlink(); $this->data = array(); } elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) { $cache = false; $this->data = array(); } elseif (isset($this->data['feed_url'])) { if ($cache->mtime() + $this->autodiscovery_cache_duration > time()) { if ($this->data['feed_url'] === $this->data['url']) { $cache->unlink(); $this->data = array(); } else { $this->set_feed_url($this->data['feed_url']); return $this->init(); } } } elseif ($cache->mtime() + $this->cache_duration < time()) { if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) { $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1'); if (isset($this->data['headers']['last-modified'])) { $headers['if-modified-since'] = $this->data['headers']['last-modified']; } if (isset($this->data['headers']['etag'])) { $headers['if-none-match'] = $this->data['headers']['etag']; } $file = new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen); if ($file->success) { if ($file->status_code === 304) { $cache->touch(); return true; } else { $headers = $file->headers; } } else { unset($file); } } } else { return true; } } else { $cache->unlink(); $this->data = array(); } } if (!isset($file)) { if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url) { $file =& $this->file; } else { $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1'); $file = new $this->file_class($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen); } } if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) { $this->error = $file->error; if (!empty($this->data)) { return true; } else { return false; } } if (!$this->force_feed) { $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class); if (!$locate->is_feed($file)) { unset($file); if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)) { if ($cache) { $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD); if (!$cache->save($this)) { trigger_error("{$this->cache_location} is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc'); } $this->feed_url = $file->url; } else { $this->error = "A feed could not be found at {$this->feed_url}. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed."; SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } } $locate = null; } $headers = $file->headers; $data = $file->body; $sniffer = new $this->content_type_sniffer_class($file); $sniffed = $sniffer->get_type(); } else { $data = $this->raw_data; } $encodings = array(); if ($this->input_encoding !== false) { $encodings[] = $this->input_encoding; } $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity'); $text_types = array('text/xml', 'text/xml-external-parsed-entity'); if (isset($sniffed)) { if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = strtoupper($charset[1]); } $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); $encodings[] = 'UTF-8'; } elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = $charset[1]; } $encodings[] = 'US-ASCII'; } elseif (substr($sniffed, 0, 5) === 'text/') { $encodings[] = 'US-ASCII'; } } $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); $encodings[] = 'UTF-8'; $encodings[] = 'ISO-8859-1'; $encodings = array_unique($encodings); if ($this->xml_dump) { header('Content-type: text/xml; charset=' . $encodings[0]); echo $data; exit; } foreach ($encodings as $encoding) { if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8')) { $parser = new $this->parser_class(); if ($parser->parse($utf8_data, 'UTF-8')) { $this->data = $parser->get_data(); if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE) { if (isset($headers)) { $this->data['headers'] = $headers; } $this->data['build'] = SIMPLEPIE_BUILD; if ($cache && !$cache->save($this)) { trigger_error("{$this->cache_location} is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } return true; } else { $this->error = "A feed could not be found at {$this->feed_url}. This does not appear to be a valid RSS or Atom feed."; SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } } } } if (isset($parser)) { $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column()); } else { $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.'; } SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } elseif (!empty($this->multifeed_url)) { $i = 0; $success = 0; $this->multifeed_objects = array(); foreach ($this->multifeed_url as $url) { $this->multifeed_objects[$i] = clone $this; $this->multifeed_objects[$i]->set_feed_url($url); $success |= $this->multifeed_objects[$i]->init(); $i++; } return (bool) $success; } else { return false; } }
public function init() { // Check absolute bare minimum requirements. if (function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<') || !extension_loaded('xml') || !extension_loaded('pcre')) { return false; } elseif (!extension_loaded('xmlreader')) { static $xml_is_sane = null; if ($xml_is_sane === null) { $parser_check = xml_parser_create(); xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); xml_parser_free($parser_check); $xml_is_sane = isset($values[0]['value']); } if (!$xml_is_sane) { return false; } } if (isset($_GET[$this->javascript])) { SimplePie_Misc::output_javascript(); exit; } // Pass whatever was set with config options over to the sanitizer. $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class); $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen); if ($this->feed_url !== null || $this->raw_data !== null) { $this->error = null; $this->data = array(); $this->multifeed_objects = array(); $cache = false; if ($this->feed_url !== null) { $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url); // Decide whether to enable caching if ($this->cache && $parsed_feed_url['scheme'] !== '') { $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc'); } // If it's enabled and we don't want an XML dump, use the cache if ($cache && !$this->xml_dump) { // Load the Cache $this->data = $cache->load(); if (!empty($this->data)) { // If the cache is for an outdated build of SimplePie if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD) { $cache->unlink(); $this->data = array(); } elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) { $cache = false; $this->data = array(); } elseif (isset($this->data['feed_url'])) { // If the autodiscovery cache is still valid use it. if ($cache->mtime() + $this->autodiscovery_cache_duration > time()) { // Do not need to do feed autodiscovery yet. if ($this->data['feed_url'] === $this->data['url']) { $cache->unlink(); $this->data = array(); } else { $this->set_feed_url($this->data['feed_url']); return $this->init(); } } } elseif ($cache->mtime() + $this->cache_duration < time()) { // If we have last-modified and/or etag set if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) { $headers = array(); if (isset($this->data['headers']['last-modified'])) { $headers['if-modified-since'] = $this->data['headers']['last-modified']; } if (isset($this->data['headers']['etag'])) { $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"'; } $file = new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen); if ($file->success) { if ($file->status_code === 304) { $cache->touch(); return true; } else { $headers = $file->headers; } } else { unset($file); } } } else { return true; } } else { $cache->unlink(); $this->data = array(); } } // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it. if (!isset($file)) { if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url) { $file =& $this->file; } else { $file = new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen); } } // If the file connection has an error, set SimplePie::error to that and quit if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) { $this->error = $file->error; if (!empty($this->data)) { return true; } else { return false; } } if (!$this->force_feed) { // Check if the supplied URL is a feed, if it isn't, look for it. $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class); if (!$locate->is_feed($file)) { // We need to unset this so that if SimplePie::set_file() has been called that object is untouched unset($file); if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)) { if ($cache) { $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD); if (!$cache->save($this)) { trigger_error("{$this->cache_location} is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc'); } $this->feed_url = $file->url; } else { $this->error = "A feed could not be found at {$this->feed_url}. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed."; SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } } $locate = null; } $headers = $file->headers; $data = $file->body; $sniffer = new $this->content_type_sniffer_class($file); $sniffed = $sniffer->get_type(); } else { $data = $this->raw_data; } // Set up array of possible encodings $encodings = array(); // First check to see if input has been overridden. if ($this->input_encoding !== false) { $encodings[] = $this->input_encoding; } $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity'); $text_types = array('text/xml', 'text/xml-external-parsed-entity'); // RFC 3023 (only applies to sniffed content) if (isset($sniffed)) { if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = strtoupper($charset[1]); } $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); $encodings[] = 'UTF-8'; } elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = $charset[1]; } $encodings[] = 'US-ASCII'; } elseif (substr($sniffed, 0, 5) === 'text/') { $encodings[] = 'US-ASCII'; } } // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1 $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); $encodings[] = 'UTF-8'; $encodings[] = 'ISO-8859-1'; // There's no point in trying an encoding twice $encodings = array_unique($encodings); // If we want the XML, just output that with the most likely encoding and quit if ($this->xml_dump) { header('Content-type: text/xml; charset=' . $encodings[0]); echo $data; exit; } // Loop through each possible encoding, till we return something, or run out of possibilities foreach ($encodings as $encoding) { // Change the encoding to UTF-8 (as we always use UTF-8 internally) if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8')) { // Create new parser $parser = new $this->parser_class(); // If it's parsed fine if ($parser->parse($utf8_data, 'UTF-8')) { $this->data = $parser->get_data(); if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE) { if (isset($headers)) { $this->data['headers'] = $headers; } $this->data['build'] = SIMPLEPIE_BUILD; // Cache the file if caching is enabled if ($cache && !$cache->save($this)) { trigger_error("{$this->cache_location} is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } return true; } else { $this->error = "A feed could not be found at {$this->feed_url}. This does not appear to be a valid RSS or Atom feed."; SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } } } } if (isset($parser)) { // We have an error, just set SimplePie_Misc::error to it and quit $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column()); } else { $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.'; } SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); return false; } elseif (!empty($this->multifeed_url)) { $i = 0; $success = 0; $this->multifeed_objects = array(); foreach ($this->multifeed_url as $url) { if (SIMPLEPIE_PHP5) { // This keyword needs to defy coding standards for PHP4 compatibility $this->multifeed_objects[$i] = clone $this; } else { $this->multifeed_objects[$i] = $this; } $this->multifeed_objects[$i]->set_feed_url($url); $success |= $this->multifeed_objects[$i]->init(); $i++; } return (bool) $success; } else { return false; } }
<?php // Start counting time for the page load $starttime = explode(' ', microtime()); $starttime = $starttime[1] + $starttime[0]; // Include SimplePie // Located in the parent directory include_once '../SimplePieAutoloader.php'; include_once '../idn/idna_convert.class.php'; // Create a new instance of the SimplePie object $feed = new SimplePie(); //$feed->force_fsockopen(true); if (isset($_GET['js'])) { SimplePie_Misc::output_javascript(); die; } // Make sure that page is getting passed a URL if (isset($_GET['feed']) && $_GET['feed'] !== '') { // Strip slashes if magic quotes is enabled (which automatically escapes certain characters) if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) { $_GET['feed'] = stripslashes($_GET['feed']); } // Use the URL that was passed to the page in SimplePie $feed->set_feed_url($_GET['feed']); } // Allow us to change the input encoding from the URL string if we want to. (optional) if (!empty($_GET['input'])) { $feed->set_input_encoding($_GET['input']); } // Allow us to choose to not re-order the items by date. (optional) if (!empty($_GET['orderbydate']) && $_GET['orderbydate'] == 'false') {