X-Git-Url: https://git.ao2.it/tweeper.git/blobdiff_plain/50842e9d4c8ba313313710d0b4472548390cd77b..f51c0d439f4199e90236df3eba9664a82a7be60d:/tweeper.php diff --git a/tweeper.php b/tweeper.php index 17fff8b..ed1e1c7 100644 --- a/tweeper.php +++ b/tweeper.php @@ -18,6 +18,8 @@ * along with this program. If not, see . */ +require_once 'XML/Serializer.php'; + date_default_timezone_set('UTC'); class Tweeper { @@ -96,7 +98,11 @@ class Tweeper { "video/ogg", ); - $url_info = Tweeper::get_info($url); + // The RSS specification says that the enclosure element url must be http. + // See http://sourceforge.net/p/feedvalidator/bugs/72/ + $http_url = preg_replace("/^https/", "http", $url); + + $url_info = Tweeper::get_info($http_url); $supported = in_array($url_info['content_type'], $supported_content_types); if (!$supported) { @@ -164,31 +170,87 @@ class Tweeper { return $xsltProcessor; } - public function tweep($src_url) { - $url = parse_url($src_url); - if (FALSE === $url || empty($url["host"])) { - trigger_error("Invalid url: $src_url", E_USER_ERROR); + private function json_to_xml($html, $json_match_expr, $rootName) { + // pre-process, convert json to XML + $ret = preg_match($json_match_expr, $html, $matches); + if ($ret !== 1) { + trigger_error("Cannot match expression: $json_match_expr\n", E_USER_ERROR); return NULL; } - $xsltProcessor = $this->load_stylesheet($url["host"]); - if (NULL === $xsltProcessor) { + $data = json_decode($matches[1]); + if (!$data) { return NULL; } - $html = Tweeper::get_contents($src_url); + $serializer_options = array ( + 'addDecl' => TRUE, + 'encoding' => "UTF-8", + 'indent' => ' ', + 'rootName' => $rootName, + ); + $serializer = new XML_Serializer($serializer_options); + + $status = $serializer->serialize($data); + if (PEAR::isError($status)) { + trigger_error($status->getMessage(), E_USER_ERROR); + return NULL; + } + + return $serializer->getSerializedData(); + } + + private function get_xml_instagram_com($html) { + return $this->json_to_xml($html, '/window._sharedData = (.*);/', 'instagram'); + } + + private function html_to_xml($html, $host) { $xmlDoc = new DOMDocument(); // Handle warnings and errors when loading invalid HTML. $xml_errors_value = libxml_use_internal_errors(true); - $xmlDoc->loadHTML($html); + + // If there is a host-specific method to get the xml data, use it! + $get_xml_host_method = 'get_xml_' . str_replace(".", "_", $host); + if (method_exists($this, $get_xml_host_method)) { + $xml_data = call_user_func_array(array($this, $get_xml_host_method), array($html)); + $xmlDoc->loadXML($xml_data); + } else { + $xmlDoc->loadHTML($html); + } + foreach (libxml_get_errors() as $xml_error) { $this->log_xml_error($xml_error); } libxml_clear_errors(); libxml_use_internal_errors($xml_errors_value); + return $xmlDoc; + } + + public function tweep($src_url) { + $url = parse_url($src_url); + if (FALSE === $url || empty($url["host"])) { + trigger_error("Invalid url: $src_url", E_USER_ERROR); + return NULL; + } + + $xsltProcessor = $this->load_stylesheet($url["host"]); + if (NULL === $xsltProcessor) { + return NULL; + } + + $html = $this->get_contents($src_url); + if (FALSE === $html) { + return NULL; + } + + $xmlDoc = $this->html_to_xml($html, $url["host"]); + if (NULL === $xmlDoc) { + return NULL; + } + $output = $xsltProcessor->transformToXML($xmlDoc); if (FALSE === $output) {