X-Git-Url: https://git.ao2.it/tweeper.git/blobdiff_plain/e053ac2a08c18296cdfe329e385a8d7a6c6fa962..8b8fce67efe48521ed344220c74be3d9658f703c:/tweeper.php diff --git a/tweeper.php b/tweeper.php index 9f09936..5e9d242 100644 --- a/tweeper.php +++ b/tweeper.php @@ -32,12 +32,20 @@ class Tweeper { public static function epoch_to_gmdate($timestamp) { + if (!is_numeric($timestamp) || is_nan($timestamp)) { + $timestamp = 0; + } + return gmdate('D, d M Y H:i:s', $timestamp) . ' GMT'; } public static function str_to_gmdate($date) { $timestamp = strtotime($date); + if (FALSE === $timestamp) { + $timestamp = 0; + } + return Tweeper::epoch_to_gmdate($timestamp); } @@ -153,7 +161,7 @@ class Tweeper { private function load_stylesheet($host) { $stylesheet = "file://" . __DIR__ . "/rss_converter_" . $host . ".xsl"; if (FALSE === file_exists($stylesheet)) { - trigger_error("Conversion to RSS not supported: $host", E_USER_ERROR); + trigger_error("Conversion to RSS not supported for $host ($stylesheet not found)", E_USER_ERROR); return NULL; } @@ -201,6 +209,16 @@ class Tweeper { return $serializer->getSerializedData(); } + private function get_xml_instagram_com($html) { + return $this->json_to_xml($html, '/window._sharedData = (.*);/', 'instagram'); + } + + private function preprocess_html_facebook_com($html) { + $html = str_replace('', '', $html); + return $html; + } + private function html_to_xml($html, $host) { $xmlDoc = new DOMDocument(); @@ -232,7 +250,10 @@ class Tweeper { return NULL; } - $xsltProcessor = $this->load_stylesheet($url["host"]); + // Strip the leading www. to be more forgiving on input URLs + $host = preg_replace('/^www\./', '', $url["host"]); + + $xsltProcessor = $this->load_stylesheet($host); if (NULL === $xsltProcessor) { return NULL; } @@ -242,7 +263,12 @@ class Tweeper { return NULL; } - $xmlDoc = $this->html_to_xml($html, $url["host"]); + $preprocess_html_host_method = 'preprocess_html_' . str_replace(".", "_", $host); + if (method_exists($this, $preprocess_html_host_method)) { + $html = call_user_func_array(array($this, $preprocess_html_host_method), array($html)); + } + + $xmlDoc = $this->html_to_xml($html, $host); if (NULL === $xmlDoc) { return NULL; } @@ -257,12 +283,18 @@ class Tweeper { } } +function is_cli() +{ + return (substr(php_sapi_name(), 0, 3) == 'cli'); +} + function usage($argv) { - if (php_sapi_name() != 'cli') - $usage = htmlentities("{$_SERVER['SCRIPT_NAME']}?src_url=&generate_enclosure=<0|1>"); - else + if (is_cli()) { $usage = "{$argv[0]} [-e|-h|--help] \n"; + } else { + $usage = htmlentities("{$_SERVER['SCRIPT_NAME']}?src_url=&generate_enclosure=<0|1>"); + } return "usage: $usage"; } @@ -313,12 +345,12 @@ function parse_options_query_string() } -if (php_sapi_name() != 'cli') { - $options = parse_options_query_string(); - $ERROR_STREAM = fopen('php://output', 'w'); -} else { +if (is_cli()) { $options = parse_options_cli($argv, $argc); $ERROR_STREAM = fopen('php://stderr', 'w'); +} else { + $options = parse_options_query_string(); + $ERROR_STREAM = fopen('php://output', 'w'); } if (!isset($options['src_url'])) {