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

363 lines
11 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 id=\"af_redditimgur_prefs\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_redditimgur settings')."\">";
$enable_readability = $this->host->get($this, "enable_readability");
$enable_readability_checked = $enable_readability ? "checked" : "";
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 "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">";
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"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 "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_readability\"
$enable_readability_checked name=\"enable_readability\">&nbsp;";
print "<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
__("Save")."</button>";
print "</form>";
print "</div>";
}
function save() {
$enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true";
$this->host->set($this, "enable_readability", $enable_readability);
echo __("Configuration saved");
}
private function inline_stuff($article, &$doc, $xpath) {
$entries = $xpath->query('(//a[@href]|//img[@src])');
$found = false;
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
$matches = array();
if (preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
}
if (preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
$tmp = fetch_file_contents($entry->getAttribute("href"));
if ($tmp) {
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML($tmp)) {
$tmpxpath = new DOMXPath($tmpdoc);
$source_meta = $tmpxpath->query("//meta[@name='twitter:player:stream' and contains(@content, '.mp4')]")->item(0);
$poster_meta = $tmpxpath->query("//meta[@property='og:image' and contains(@content,'thumbs.gfycat.com')]")->item(0);
if ($source_meta) {
$source_stream = $source_meta->getAttribute("content");
$poster_url = false;
if ($source_stream) {
if ($poster_meta)
$poster_url = $poster_meta->getAttribute("content");
$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
$found = 1;
}
}
}
}
}
// imgur .gif -> .gifv
if (preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
$entry->setAttribute("href",
str_replace(".gif", ".gifv", $entry->getAttribute("href")));
}
if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
if (strpos($source_stream, "i.imgur.com") !== FALSE)
$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
$found = true;
}
8 years ago
$matches = array();
if (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];
$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);
$found = true;
}
if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
$img = $doc->createElement('img');
$img->setAttribute("src", $entry->getAttribute("href"));
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($img, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = true;
}
// linked albums & pages
if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) ||
preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
$album_content = fetch_file_contents($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("//meta[@property='og:image']");
$urls = array();
foreach ($aentries as $aentry) {
$url = str_replace("?fb", "", $aentry->getAttribute("content"));
$check_url = basename($url);
$check_url = mb_substr($check_url, 0, strrpos($check_url, "."));
if (!in_array($check_url, $urls)) {
$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, $entry);
array_push($urls, $check_url);
$found = true;
}
}
}
}
}
// wtf is this even
if (preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
$img_id = $matches[1];
$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);
$found = $this->inline_stuff($article, $doc, $xpath);
if (!defined('NO_CURL') && function_exists("curl_init") && !$found && $this->host->get($this, "enable_readability") &&
mb_strlen(strip_tags($article["content"])) <= 150) {
if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
if ($content_link &&
strpos($content_link->getAttribute("href"), "twitter.com") === FALSE &&
strpos($content_link->getAttribute("href"), "youtube.com") === FALSE &&
strpos($content_link->getAttribute("href"), "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 */
$ch = curl_init($content_link->getAttribute("href"));
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, SELF_USER_AGENT);
@$result = curl_exec($ch);
$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
if ($content_type && strpos($content_type, "text/html") !== FALSE) {
$tmp = fetch_file_contents($content_link->getAttribute("href"));
//_debug("tmplen: " . mb_strlen($tmp));
if ($tmp && mb_strlen($tmp) < 65535 * 4) {
$r = new Readability($tmp, $content_link->getAttribute("href"));
if ($r->init()) {
$tmpxpath = new DOMXPath($r->dom);
$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
$entry->setAttribute("href",
rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
}
if ($entry->hasAttribute("src")) {
$entry->setAttribute("src",
rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
}
}
$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
// prob not a very good idea (breaks wikipedia pages, etc) -
// inliner currently is not really fit for any random web content
//$doc = new DOMDocument();
//@$doc->loadHTML($article["content"]);
//$xpath = new DOMXPath($doc);
//$found = $this->inline_stuff($article, $doc, $xpath);
}
}
}
}
}
$node = $doc->getElementsByTagName('body')->item(0);
if ($node && $found) {
$article["content"] = $doc->saveXML($node);
}
}
return $article;
}
function api_version() {
return 2;
}
private function handle_as_video($doc, $entry, $source_stream, $poster_url = false) {
$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);
}
}
?>