* @file
* Tweeper - a Twitter to RSS web scraper.
*
- * Copyright (C) 2013-20
18 Antonio Ospite <ao2@ao2.it>
+ * Copyright (C) 2013-20
20 Antonio Ospite <ao2@ao2.it>
*
* 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
* 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 = $verbose_output;
}
/**
}
/**
+ * Convert Twitter mobile date to the date format expected in a RSS document.
+ */
+ public static function twitterToRssDate($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, $delim = ' ') {
/**
* Get the contents from a URL.
*/
- private static function getUrlContents($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::$maxConnectionTimeout,
// Follow http redirects to get the real URL.
CURLOPT_FOLLOWLOCATION => TRUE,
CURLOPT_COOKIEFILE => "",
CURLOPT_RETURNTRANSFER => TRUE,
- CURLOPT_HTTPHEADER => array('Accept-language: en'),
- CURLOPT_USERAGENT => Tweeper::$userAgent,
- ));
+ CURLOPT_HTTPHEADER => ['Accept-language: en'],
+ CURLOPT_USERAGENT => isset($user_agent) ? $user_agent : Tweeper::$userAgent,
+ ]);
$contents = Tweeper::curlExec($ch);
curl_close($ch);
/**
* Get the headers from a URL.
*/
- private static function getUrlInfo($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::$maxConnectionTimeout,
// Follow http redirects to get the real URL.
CURLOPT_FOLLOWLOCATION => TRUE,
CURLOPT_RETURNTRANSFER => TRUE,
- CURLOPT_USERAGENT => Tweeper::$userAgent,
- ));
+ CURLOPT_USERAGENT => isset($user_agent) ? $user_agent : Tweeper::$userAgent,
+ ]);
$ret = Tweeper::curlExec($ch);
if (FALSE === $ret) {
* Generate an RSS <enclosure/> element.
*/
public static function generateEnclosure($url) {
- $supported_content_types = array(
+ $supported_content_types = [
"application/octet-stream",
"application/ogg",
"application/pdf",
"video/mp4",
"video/mpeg",
"video/ogg",
- );
+ ];
$url_info = Tweeper::getUrlInfo($url);
if (FALSE === $url_info) {
$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) {
// 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);
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;
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;
}
return NULL;
}
- $html = Tweeper::getUrlContents($src_url);
+ // Override User-Agent for twitter.com to force it to serve the mobile UI.
+ if ($host == "twitter.com") {
+ $user_agent = "Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J)";
+ }
+ else {
+ $user_agent = NULL;
+ }
+
+ $html = Tweeper::getUrlContents($src_url, $user_agent);
if (FALSE === $html) {
trigger_error("Failed to retrieve $src_url", E_USER_WARNING);
return NULL;
$preprocess_html_host_method = 'preprocessHtml' . Tweeper::toUpperCamelCase($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);
projects / tweeper.git / blobdiff