X-Git-Url: https://git.ao2.it/tweeper.git/blobdiff_plain/da4568f5a2d24e0933d44b16b5ef180095c42dab..a1e5d7acd92df7401aa52dc332499d0ed578c2fa:/src/Tweeper.php?ds=inline diff --git a/src/Tweeper.php b/src/Tweeper.php index aedde4d..b794368 100644 --- a/src/Tweeper.php +++ b/src/Tweeper.php @@ -6,7 +6,7 @@ namespace Tweeper; * @file * Tweeper - a Twitter to RSS web scraper. * - * Copyright (C) 2013-2018 Antonio Ospite + * Copyright (C) 2013-2020 Antonio Ospite * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,7 +36,7 @@ date_default_timezone_set('UTC'); */ class Tweeper { - private static $userAgent = "Mozilla/5.0"; + private static $userAgent = "Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J)"; private static $maxConnectionTimeout = 5; private static $maxConnectionRetries = 5; @@ -53,11 +53,14 @@ class Tweeper { * Enables showing multimedia content (images, videos) directly in the * item description (enabled by default). Only some stylesheets supports * this functionality (twitter, instagram, dilbert). + * @param bool $verbose_output + * Enables showing non-fatal errors like XML parsing errors. */ - public function __construct($generate_enclosure = FALSE, $show_usernames = TRUE, $show_multimedia = TRUE) { + public function __construct($generate_enclosure = FALSE, $show_usernames = TRUE, $show_multimedia = TRUE, $verbose_output = TRUE) { $this->generate_enclosure = $generate_enclosure; $this->show_usernames = $show_usernames; $this->show_multimedia = $show_multimedia; + $this->verbose_output = $verbose_output; } /** @@ -84,6 +87,46 @@ class Tweeper { } /** + * Convert Twitter mobile date to the date format expected in a RSS document. + */ + public static function twitterToRssDate($date) { + // Twitter uses relative timestamps in minutes for recent tweets. + if (preg_match('/^(\d+)m$/', $date, $matches)) { + $timestamp = strtotime("+" . $matches[1] . " min", time()); + if (FALSE === $timestamp) { + $timestamp = 0; + } + } + else { + /* + * In case the time is specified put it after the date, + * to make it recognized by strptime(). + */ + if (preg_match('/(.*) - (.*)/', $date, $matches)) { + $date = $matches[2] . " " . $matches[1]; + } + + $timestamp = strtotime($date); + if (FALSE === $timestamp) { + $timestamp = 0; + } + + /* + * The twitter mobile UI usually only specifies the month and the day, so + * strtotime($date) may interpret the date as being in the future. + * + * If the date is in the future it is probably in the same day but in the + * previous year. + */ + if ($timestamp > time()) { + $timestamp = strtotime('-1 years', $timestamp); + } + } + + return Tweeper::epochToRssDate($timestamp); + } + + /** * Convert string to UpperCamelCase. */ public static function toUpperCamelCase($str, $delim = ' ') { @@ -114,20 +157,18 @@ class Tweeper { /** * Get the contents from a URL. */ - private static function getUrlContents($url) { + private static function getUrlContents($url, $user_agent = NULL) { $ch = curl_init($url); - curl_setopt_array($ch, array( + curl_setopt_array($ch, [ CURLOPT_HEADER => FALSE, CURLOPT_CONNECTTIMEOUT => Tweeper::$maxConnectionTimeout, // Follow http redirects to get the real URL. CURLOPT_FOLLOWLOCATION => TRUE, CURLOPT_COOKIEFILE => "", CURLOPT_RETURNTRANSFER => TRUE, - CURLOPT_SSL_VERIFYHOST => FALSE, - CURLOPT_SSL_VERIFYPEER => FALSE, - CURLOPT_HTTPHEADER => array('Accept-language: en'), - CURLOPT_USERAGENT => Tweeper::$userAgent, - )); + CURLOPT_HTTPHEADER => ['Accept-language: en'], + CURLOPT_USERAGENT => isset($user_agent) ? $user_agent : Tweeper::$userAgent, + ]); $contents = Tweeper::curlExec($ch); curl_close($ch); @@ -137,19 +178,17 @@ class Tweeper { /** * Get the headers from a URL. */ - private static function getUrlInfo($url) { + private static function getUrlInfo($url, $user_agent = NULL) { $ch = curl_init($url); - curl_setopt_array($ch, array( + curl_setopt_array($ch, [ CURLOPT_HEADER => TRUE, CURLOPT_NOBODY => TRUE, CURLOPT_CONNECTTIMEOUT => Tweeper::$maxConnectionTimeout, // Follow http redirects to get the real URL. CURLOPT_FOLLOWLOCATION => TRUE, CURLOPT_RETURNTRANSFER => TRUE, - CURLOPT_SSL_VERIFYHOST => FALSE, - CURLOPT_SSL_VERIFYPEER => FALSE, - CURLOPT_USERAGENT => Tweeper::$userAgent, - )); + CURLOPT_USERAGENT => isset($user_agent) ? $user_agent : Tweeper::$userAgent, + ]); $ret = Tweeper::curlExec($ch); if (FALSE === $ret) { @@ -170,7 +209,7 @@ class Tweeper { * Generate an RSS element. */ public static function generateEnclosure($url) { - $supported_content_types = array( + $supported_content_types = [ "application/octet-stream", "application/ogg", "application/pdf", @@ -189,7 +228,7 @@ class Tweeper { "video/mp4", "video/mpeg", "video/ogg", - ); + ]; $url_info = Tweeper::getUrlInfo($url); if (FALSE === $url_info) { @@ -271,13 +310,13 @@ class Tweeper { $encoder = new XmlEncoder(); $normalizer = new ObjectNormalizer(); - $serializer = new Serializer(array($normalizer), array($encoder)); + $serializer = new Serializer([$normalizer], [$encoder]); - $serializer_options = array( + $serializer_options = [ 'xml_encoding' => "UTF-8", 'xml_format_output' => TRUE, 'xml_root_node_name' => $root_node_name, - ); + ]; $xml_data = $serializer->serialize($data, 'xml', $serializer_options); if (!$xml_data) { @@ -336,15 +375,17 @@ class Tweeper { // If there is a host-specific method to get the XML data, use it! $get_xml_host_method = 'getXml' . Tweeper::toUpperCamelCase($host, '.'); if (method_exists($this, $get_xml_host_method)) { - $xml_data = call_user_func_array(array($this, $get_xml_host_method), array($html)); + $xml_data = call_user_func_array([$this, $get_xml_host_method], [$html]); $xmlDoc->loadXML($xml_data); } else { $xmlDoc->loadHTML($html); } - foreach (libxml_get_errors() as $xml_error) { - Tweeper::logXmlError($xml_error); + if ($this->verbose_output) { + foreach (libxml_get_errors() as $xml_error) { + Tweeper::logXmlError($xml_error); + } } libxml_clear_errors(); libxml_use_internal_errors($xml_errors_value); @@ -362,7 +403,7 @@ class Tweeper { return NULL; } - $stylesheet_contents = Tweeper::getUrlContents($stylesheet); + $stylesheet_contents = file_get_contents($stylesheet); if (FALSE === $stylesheet_contents) { trigger_error("Cannot open $stylesheet", E_USER_WARNING); return NULL; @@ -393,7 +434,7 @@ class Tweeper { if (TRUE === $validate_scheme) { $scheme = $url["scheme"]; - if (!in_array($scheme, array("http", "https"))) { + if (!in_array($scheme, ["http", "https"])) { trigger_error("unsupported scheme: $scheme", E_USER_WARNING); return NULL; } @@ -422,7 +463,7 @@ class Tweeper { $preprocess_html_host_method = 'preprocessHtml' . Tweeper::toUpperCamelCase($host, '.'); if (method_exists($this, $preprocess_html_host_method)) { - $html = call_user_func_array(array($this, $preprocess_html_host_method), array($html)); + $html = call_user_func_array([$this, $preprocess_html_host_method], [$html]); } $xmlDoc = $this->htmlToXml($html, $host);