X-Git-Url: https://git.ao2.it/tweeper.git/blobdiff_plain/4835a2e8d2816eeed44d2e5b9ffe62be7d4572eb..110456377908327064a91a48e1f4c2c810b848fa:/tweeper.php?ds=sidebyside diff --git a/tweeper.php b/tweeper.php old mode 100755 new mode 100644 index 2e27a0d..11e062b --- a/tweeper.php +++ b/tweeper.php @@ -20,9 +20,73 @@ 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); +} - private $USER_AGENT = "Mozilla/5.0 (Windows NT 6.1; rv:22.0) Gecko/20130405 Firefox/22.0"; +function epoch_to_gmdate($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; + } +} + + +class Tweeper { public function __construct($stylesheet) { $stylesheet_contents = $this->get_contents($stylesheet); @@ -31,6 +95,7 @@ class Tweeper { $xslDoc->loadXML($stylesheet_contents); $this->xsltProcessor = new XSLTProcessor(); + $this->xsltProcessor->registerPHPFunctions(); $this->xsltProcessor->importStylesheet($xslDoc); } @@ -41,7 +106,7 @@ class Tweeper { 'method' => "GET", 'header' => join(array( "Accept-language: en\r\n", - "User-Agent: {$this->USER_AGENT}\r\n" + "User-Agent: {" + USER_AGENT + "}\r\n" )) ) ); @@ -67,20 +132,57 @@ class Tweeper { } } -if (isset($_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="); +function usage($argv) +{ + if (php_sapi_name() != 'cli') + $usage = htmlentities("{$_SERVER['SCRIPT_NAME']}?src_url="); + else + $usage = "{$argv[0]} \n"; + + return "usage: $usage"; +} + +function parse_options_cli($argv, $argc) +{ + $options = array(); + + if ($argc < 2) + return $options; + + if ($argv[1] == "-h" || $argv[1] == "--help") + echo usage($argv); else - $usage = "{$argv[0]} \n"; + $options['src_url'] = $argv[1]; - die("usage: $usage"); + return $options; } -$tweeper = new Tweeper('twitter_user_timeline2rss.xsl'); +function parse_options_query_string() +{ + $options = array(); + + if (isset($_GET['src_url'])) + $options['src_url'] = $_GET['src_url']; + + return $options; +} + + +if (php_sapi_name() != 'cli') + $options = parse_options_query_string(); +else + $options = parse_options_cli($argv, $argc); + +if (!isset($options['src_url'])) + die(usage($argv)); + +$url = parse_url($options['src_url']); +if (FALSE === $url || empty($url["host"])) + die("Invalid url: ${options['src_url']}\n"); + +$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 $tweeper->tweep($options['src_url']);