An unofficial mirror of the Tiny Tiny RSS, an open-source RSS feed reader and aggregator https://git.tt-rss.org/fox/tt-rss
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tt-rss/plugins/af_redditimgur/init.php

538 lines
16 KiB

<?php
class Af_RedditImgur extends Plugin {
private $host;
function about() {
return array(1.0,
"Inline images (and other content) in Reddit RSS feeds",
"fox");
}
function flags() {
return array("needs_curl" => true);
}
function init($host) {
$this->host = $host;
$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
$host->add_hook($host::HOOK_PREFS_TAB, $this);
}
function hook_prefs_tab($args) {
if ($args != "prefFeeds") return;
print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Reddit content settings (af_redditimgur)')."\">";
$enable_readability = $this->host->get($this, "enable_readability");
$enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck");
print "<form dojoType=\"dijit.form.Form\">";
print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
evt.preventDefault();
if (this.validate()) {
console.log(dojo.objectToQuery(this.getValues()));
new Ajax.Request('backend.php', {
parameters: dojo.objectToQuery(this.getValues()),
onComplete: function(transport) {
notify_info(transport.responseText);
}
});
//this.reset();
}
</script>";
print_hidden("op", "pluginhandler");
print_hidden("method", "save");
print_hidden("plugin", "af_redditimgur");
print "<p>" . __("Uses Readability (full-text-rss) implementation by <a target='_blank' href='https://bitbucket.org/fivefilters/'>FiveFilters.org</a>");
print "<p/>";
print_checkbox("enable_readability", $enable_readability);
print "&nbsp;<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
print "<br/>";
print_checkbox("enable_content_dupcheck", $enable_content_dupcheck);
print "&nbsp;<label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
print "<p>"; print_button("submit", __("Save"));
print "</form>";
print "</div>";
}
function save() {
$enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true";
$enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]) == "true";
$this->host->set($this, "enable_readability", $enable_readability, false);
$this->host->set($this, "enable_content_dupcheck", $enable_content_dupcheck);
echo __("Configuration saved");
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
private function inline_stuff($article, &$doc, $xpath, $debug = false) {
$entries = $xpath->query('(//a[@href]|//img[@src])');
$img_entries = $xpath->query("(//img[@src])");
$found = false;
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
_debug("processing href: " . $entry->getAttribute("href"), $debug);
$matches = array();
if (preg_match("/^https?:\/\/twitter.com\/(.*?)\/status\/(.*)/", $entry->getAttribute("href"), $matches)) {
_debug("handling as twitter: " . $matches[1] . " " . $matches[2], $debug);
$oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href")));
if ($oembed_result) {
$oembed_result = json_decode($oembed_result, true);
if ($oembed_result && isset($oembed_result["html"])) {
$tmp = new DOMDocument();
if ($tmp->loadHTML('<?xml encoding="utf-8" ?>' . $oembed_result["html"])) {
$p = $doc->createElement("p");
$p->appendChild($doc->importNode(
$tmp->getElementsByTagName("blockquote")->item(0), TRUE));
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($p, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = 1;
}
}
}
}
if (!$found && preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
}
if (!$found && preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
_debug("Handling as Gfycat", $debug);
$tmp = fetch_file_contents($entry->getAttribute("href"));
if ($tmp) {
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML($tmp)) {
$tmpxpath = new DOMXPath($tmpdoc);
$source_node = $tmpxpath->query("//video[contains(@class,'share-video')]//source[contains(@src, '.mp4')]")->item(0);
$poster_node = $tmpxpath->query("//video[contains(@class,'share-video') and @poster]")->item(0);
if ($source_node && $poster_node) {
$source_stream = $source_node->getAttribute("src");
$poster_url = $poster_node->getAttribute("poster");
$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
$found = 1;
}
}
}
}
if (!$found && preg_match("/https?:\/\/v\.redd\.it\/(.*)$/i", $entry->getAttribute("href"), $matches)) {
_debug("Handling as reddit inline video", $debug);
$img = $img_entries->item(0);
if ($img) {
$poster_url = $img->getAttribute("src");
} else {
$poster_url = false;
}
$source_stream = "https://v.redd.it/" . $matches[1] . "/DASH_600_K";
$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
$found = 1;
}
if (!$found && preg_match("/https?:\/\/(www\.)?streamable.com\//i", $entry->getAttribute("href"))) {
_debug("Handling as Streamable", $debug);
$tmp = fetch_file_contents($entry->getAttribute("href"));
if ($tmp) {
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML($tmp)) {
$tmpxpath = new DOMXPath($tmpdoc);
$source_node = $tmpxpath->query("//video[contains(@class,'video-player-tag')]//source[contains(@src, '.mp4')]")->item(0);
$poster_node = $tmpxpath->query("//video[contains(@class,'video-player-tag') and @poster]")->item(0);
if ($source_node && $poster_node) {
$source_stream = $source_node->getAttribute("src");
$poster_url = $poster_node->getAttribute("poster");
$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
$found = 1;
}
}
}
}
// imgur .gif -> .gifv
if (!$found && preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
_debug("Handling as imgur gif (->gifv)", $debug);
$entry->setAttribute("href",
str_replace(".gif", ".gifv", $entry->getAttribute("href")));
}
if (!$found && preg_match("/\.(gifv|mp4)$/i", $entry->getAttribute("href"))) {
_debug("Handling as imgur gifv", $debug);
$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
if (strpos($source_stream, "imgur.com") !== FALSE)
$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
$this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug);
$found = true;
}
8 years ago
$matches = array();
if (!$found && preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) ||
preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
$vid_id = $matches[1];
_debug("Handling as youtube: $vid_id", $debug);
$iframe = $doc->createElement("iframe");
$iframe->setAttribute("class", "youtube-player");
$iframe->setAttribute("type", "text/html");
$iframe->setAttribute("width", "640");
$iframe->setAttribute("height", "385");
$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
$iframe->setAttribute("allowfullscreen", "1");
$iframe->setAttribute("frameborder", "0");
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($iframe, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = true;
}
if (!$found && preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) ||
mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE ||
mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) {
_debug("Handling as a picture", $debug);
$img = $doc->createElement('img');
$img->setAttribute("src", $entry->getAttribute("href"));
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($img, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = true;
}
// linked albums & pages
if (!$found && preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) ||
preg_match("/^https?:\/\/(m\.)?imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
_debug("Handling as an imgur page/album/gallery", $debug);
$album_content = fetch_file_contents($entry->getAttribute("href"),
false, false, false, false, 10);
if ($album_content) {
$adoc = new DOMDocument();
if (@$adoc->loadHTML($album_content)) {
$axpath = new DOMXPath($adoc);
$aentries = $axpath->query("(//div[@class='post-image']/img[@src] | //a[@class='zoom']/img[@src] | //div[@class='video-elements']/source)");
$urls = [];
foreach ($aentries as $aentry) {
$url = $aentry->getAttribute("src");
if (!in_array($url, $urls)) {
if ($aentry->tagName == "img") {
$img = $doc->createElement('img');
$img->setAttribute("src", $url);
$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($img, $entry);
$entry->parentNode->insertBefore($br, $entry);
} else if ($aentry->tagName == "source") {
if (strpos($url, "imgur.com") !== FALSE)
$poster_url = str_replace(".mp4", "h.jpg", $url);
else
$poster_url = "";
$this->handle_as_video($doc, $entry, $url, $poster_url);
}
array_push($urls, $url);
$found = true;
}
}
if ($debug) print_r($urls);
}
}
}
// wtf is this even
if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
$img_id = $matches[1];
_debug("handling as gyazo: $img_id", $debug);
$img = $doc->createElement('img');
$img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($img, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = true;
}
}
// remove tiny thumbnails
if ($entry->hasAttribute("src")) {
if ($entry->parentNode && $entry->parentNode->parentNode) {
$entry->parentNode->parentNode->removeChild($entry->parentNode);
}
}
}
return $found;
}
function hook_article_filter($article) {
if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
$doc = new DOMDocument();
@$doc->loadHTML($article["content"]);
$xpath = new DOMXPath($doc);
$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
if ($this->host->get($this, "enable_content_dupcheck")) {
if ($content_link) {
$content_href = db_escape_string($content_link->getAttribute("href"));
$entry_guid = db_escape_string($article["guid_hashed"]);
$owner_uid = $article["owner_uid"];
if (DB_TYPE == "pgsql") {
$interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
} else {
$interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
}
$result = db_query("SELECT COUNT(id) AS cid
FROM ttrss_entries, ttrss_user_entries WHERE
ref_id = id AND
$interval_qpart AND
guid != '$entry_guid' AND
owner_uid = '$owner_uid' AND
content LIKE '%href=\"$content_href\">[link]%'");
if ($result) {
$num_found = db_fetch_result($result, 0, "cid");
if ($num_found > 0) $article["force_catchup"] = true;
}
}
}
$found = $this->inline_stuff($article, $doc, $xpath);
$node = $doc->getElementsByTagName('body')->item(0);
if ($node && $found) {
$article["content"] = $doc->saveHTML($node);
} else if ($content_link) {
$article = $this->readability($article, $content_link->getAttribute("href"), $doc, $xpath);
}
}
return $article;
}
function api_version() {
return 2;
}
private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) {
_debug("handle_as_video: $source_stream", $debug);
$video = $doc->createElement('video');
$video->setAttribute("autoplay", "1");
$video->setAttribute("controls", "1");
$video->setAttribute("loop", "1");
if ($poster_url) $video->setAttribute("poster", $poster_url);
$source = $doc->createElement('source');
$source->setAttribute("src", $source_stream);
$source->setAttribute("type", "video/mp4");
$video->appendChild($source);
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($video, $entry);
$entry->parentNode->insertBefore($br, $entry);
$img = $doc->createElement('img');
$img->setAttribute("src",
"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
$entry->parentNode->insertBefore($img, $entry);
}
function testurl() {
$url = htmlspecialchars($_REQUEST["url"]);
header("Content-type: text/plain");
print "URL: $url\n";
$doc = new DOMDocument();
@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
$xpath = new DOMXPath($doc);
$found = $this->inline_stuff([], $doc, $xpath, true);
print "Inline result: $found\n";
if (!$found) {
print "\nReadability result:\n";
$article = $this->readability([], $url, $doc, $xpath, true);
print_r($article);
} else {
print "\nResulting HTML:\n";
print $doc->saveHTML();
}
}
private function get_content_type($url, $useragent = SELF_USER_AGENT) {
$content_type = false;
if (function_exists("curl_init") && !defined("NO_CURL")) {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
@curl_exec($ch);
$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
}
return $content_type;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
private function readability($article, $url, $doc, $xpath, $debug = false) {
if (!defined('NO_CURL') && function_exists("curl_init") && $this->host->get($this, "enable_readability") &&
mb_strlen(strip_tags($article["content"])) <= 150) {
if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
if ($url &&
strpos($url, "twitter.com") === FALSE &&
strpos($url, "youtube.com") === FALSE &&
strpos($url, "reddit.com") === FALSE) {
/* link may lead to a huge video file or whatever, we need to check content type before trying to
parse it which p much requires curl */
$useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";
$content_type = $this->get_content_type($url, $useragent_compat);
if ($content_type && strpos($content_type, "text/html") !== FALSE) {
$tmp = fetch_file_contents(array("url" => $url,
"useragent" => $useragent_compat));
if ($debug) _debug("tmplen: " . mb_strlen($tmp));
if ($tmp && mb_strlen($tmp) < 1024 * 500) {
$r = new Readability($tmp, $url);
if ($r->init()) {
$tmpxpath = new DOMXPath($r->dom);
$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
$entry->setAttribute("href",
rewrite_relative_url($url, $entry->getAttribute("href")));
}
if ($entry->hasAttribute("src")) {
$entry->setAttribute("src",
rewrite_relative_url($url, $entry->getAttribute("src")));
}
}
$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
}
}
}
}
}
return $article;
}
}