date_default_timezone_set('UTC');
-class Tweeper {
+define('USER_AGENT', 'Mozilla/5.0 (Windows NT 6.1; rv:22.0) Gecko/20130405 Firefox/22.0');
+
+function str_to_gmdate($date)
+{
+ $timestamp = strtotime($date);
+ return epoch_to_gmdate($timestamp);
+}
+
+function epoch_to_gmdate($timestamp)
+{
+ return gmdate('D, d M Y H:i:s', $timestamp) . ' GMT';
+}
+
+function get_url_info($url)
+{
+ $ch = curl_init($url);
+ curl_setopt_array($ch, array(
+ CURLOPT_HEADER => TRUE,
+ CURLOPT_NOBODY => TRUE,
+ CURLOPT_FOLLOWLOCATION => TRUE, // follow http redirects to get the real URL
+ CURLOPT_RETURNTRANSFER => TRUE,
+ CURLOPT_SSL_VERIFYHOST => FALSE,
+ CURLOPT_SSL_VERIFYPEER => FALSE,
+ CURLOPT_USERAGENT => USER_AGENT,
+ ));
+ curl_exec($ch);
+ $url_info = curl_getinfo($ch);;
+ curl_close($ch);
+
+ return $url_info;
+}
+
+function generate_enclosure($url)
+{
+ $url_info = get_url_info($url);
+
+ switch($url_info['content_type']) {
+ case "video/avi":
+ case "image/gif":
+ case "image/jpeg":
+ case "audio/x-midi":
+ case "audio/mpeg":
+ case "video/mpeg":
+ case "audio/vorbis":
+ case "application/ogg":
+ case "audio/webm":
+ case "audio/aac":
+ case "audio/mp4":
+ case "audio/wav":
+ case "video/mp4":
+ case "video/ogg":
+ $dom = new DomDocument();
+ $enc = $dom->createElement('enclosure');
+ $enc->setAttribute( 'url', $url_info['url']);
+ $enc->setAttribute( 'length', $url_info['download_content_length']);
+ $enc->setAttribute( 'type', $url_info['content_type']);
+
+ $dom->appendChild($enc);
+
+ return $dom->saveXML($enc);
+ default:
+ return;
+ }
+}
- private $USER_AGENT = "Mozilla/5.0 (Windows NT 6.1; rv:22.0) Gecko/20130405 Firefox/22.0";
+
+class Tweeper {
public function __construct($stylesheet) {
$stylesheet_contents = $this->get_contents($stylesheet);
$xslDoc->loadXML($stylesheet_contents);
$this->xsltProcessor = new XSLTProcessor();
+ $this->xsltProcessor->registerPHPFunctions();
$this->xsltProcessor->importStylesheet($xslDoc);
}
'method' => "GET",
'header' => join(array(
"Accept-language: en\r\n",
- "User-Agent: {$this->USER_AGENT}\r\n"
+ "User-Agent: {" + USER_AGENT + "}\r\n"
))
)
);
}
}
-if (isset($_GET['screen_name'])) {
- $screen_name = $_GET['screen_name'];
-} else if (isset($argv[1])) {
- $screen_name = $argv[1];
-} else {
- if (isset($_SERVER['SCRIPT_NAME']))
- $usage = htmlentities("{$_SERVER['SCRIPT_NAME']}?screen_name=<screen_name>");
+function usage($argv)
+{
+ if (php_sapi_name() != 'cli')
+ $usage = htmlentities("{$_SERVER['SCRIPT_NAME']}?src_url=<src_url>");
else
- $usage = "{$argv[0]} <screen_name>\n";
+ $usage = "{$argv[0]} <src_url>\n";
+
+ return "usage: $usage";
+}
- die("usage: $usage");
+if (isset($_GET['src_url'])) {
+ $src_url = $_GET['src_url'];
+} else if (isset($argv[1])) {
+ if ($argv[1] == "-h" || $argv[1] == "--help") {
+ echo usage($argv);
+ return 0;
+ }
+ $src_url = $argv[1];
+} else {
+ die(usage($argv));
}
-$tweeper = new Tweeper('twitter_user_timeline2rss.xsl');
+$url = parse_url($src_url);
+if (FALSE === $url || empty($url["host"]))
+ die("Invalid url: $src_url\n");
+
+$stylesheet = __DIR__ . "/rss_converter_" . $url["host"] . ".xsl";
+if (FALSE === file_exists($stylesheet))
+ die("Conversion to RSS not supported: {$url["host"]}\n");
-$src_uri = 'https://twitter.com/' . $screen_name;
-echo $tweeper->tweep($src_uri);
+$tweeper = new Tweeper($stylesheet);
+echo $tweeper->tweep($src_url);