[tt-rss.git] / plugins / af_redditimgur / init.php

<?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");
	}

	private function inline_stuff($article, &$doc, $xpath, $debug = false) {

		$entries = $xpath->query('(//a[@href]|//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?:\/\/(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;
				}

				$matches = array();
				if (!$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"] = $doc->saveXML($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);

			@$result = curl_exec($ch);
			$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
		}

		return $content_type;
	}

	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;
	}
}
?>
Commit	Line	Data
cc85704f	1	<?php
0862a602	2	class Af_RedditImgur extends Plugin {
19c73507 AD	3	private $host;
19c73507 AD	4
d2a421e3	5	function about() {
7a866114	6	return array(1.0,
a95fb169	7	"Inline images (and other content) in Reddit RSS feeds",
7a866114 AD	8	"fox");
	9	}
	10
41245888 AD	11	function flags() {
	12	return array("needs_curl" => true);
	13	}
	14
d2a421e3	15	function init($host) {
19c73507 AD	16	$this->host = $host;
	17
	18	$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
b90c4468 AD	19	$host->add_hook($host::HOOK_PREFS_TAB, $this);
	20	}
	21
	22	function hook_prefs_tab($args) {
	23	if ($args != "prefFeeds") return;
	24
dc8bd8a6	25	print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Reddit content settings (af_redditimgur)')."\">";
b90c4468 AD	26
b90c4468 AD	27	$enable_readability = $this->host->get($this, "enable_readability");
891b77f9	28	$enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck");
8788698b	29
b90c4468 AD	30	print "<form dojoType=\"dijit.form.Form\">";
	31
	32	print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
	33	evt.preventDefault();
	34	if (this.validate()) {
	35	console.log(dojo.objectToQuery(this.getValues()));
	36	new Ajax.Request('backend.php', {
	37	parameters: dojo.objectToQuery(this.getValues()),
	38	onComplete: function(transport) {
	39	notify_info(transport.responseText);
	40	}
	41	});
	42	//this.reset();
	43	}
	44	</script>";
	45
328118d1 AD	46	print_hidden("op", "pluginhandler");
	47	print_hidden("method", "save");
	48	print_hidden("plugin", "af_redditimgur");
b90c4468	49
73dfda1d	50	print "<p>" . __("Uses Readability (full-text-rss) implementation by <a target='_blank' href='https://bitbucket.org/fivefilters/'>FiveFilters.org</a>");
b90c4468 AD	51	print "<p/>";
b90c4468 AD	52
dc8bd8a6 AD	53	print_checkbox("enable_readability", $enable_readability);
dc8bd8a6 AD	54	print " <label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
b90c4468	55
891b77f9	56	print "<br/>";
8788698b	57
dc8bd8a6 AD	58	print_checkbox("enable_content_dupcheck", $enable_content_dupcheck);
	59	print " <label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
	60	print "<p>"; print_button("submit", __("Save"));
b90c4468 AD	61	print "</form>";
	62
	63	print "</div>";
	64	}
	65
	66	function save() {
	67	$enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true";
891b77f9	68	$enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]) == "true";
4533b3ef	69
891b77f9 AD	70	$this->host->set($this, "enable_readability", $enable_readability, false);
891b77f9 AD	71	$this->host->set($this, "enable_content_dupcheck", $enable_content_dupcheck);
b90c4468 AD	72
b90c4468 AD	73	echo __("Configuration saved");
19c73507 AD	74	}
19c73507 AD	75
ec482d28	76	private function inline_stuff($article, &$doc, $xpath, $debug = false) {
cc85704f	77
6322fc68	78	$entries = $xpath->query('(//a[@href]\|//img[@src])');
cc85704f	79
6322fc68	80	$found = false;
ce7d5e87	81
6322fc68 AD	82	foreach ($entries as $entry) {
6322fc68 AD	83	if ($entry->hasAttribute("href")) {
299aeb30	84
ec482d28 AD	85	_debug("processing href: " . $entry->getAttribute("href"), $debug);
ec482d28 AD	86
6322fc68	87	$matches = array();
5d429910	88
8788698b AD	89	if (preg_match("/^https?:\/\/twitter.com\/(.?)\/status\/(.)/", $entry->getAttribute("href"), $matches)) {
	90	_debug("handling as twitter: " . $matches[1] . " " . $matches[2], $debug);
	91
	92	$oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href")));
	93
	94	if ($oembed_result) {
	95	$oembed_result = json_decode($oembed_result, true);
	96
	97	if ($oembed_result && isset($oembed_result["html"])) {
	98
	99	$tmp = new DOMDocument();
48007463	100	if ($tmp->loadHTML('<?xml encoding="utf-8" ?>' . $oembed_result["html"])) {
8788698b AD	101	$p = $doc->createElement("p");
	102
	103	$p->appendChild($doc->importNode(
	104	$tmp->getElementsByTagName("blockquote")->item(0), TRUE));
	105
	106	$br = $doc->createElement('br');
	107	$entry->parentNode->insertBefore($p, $entry);
	108	$entry->parentNode->insertBefore($br, $entry);
	109
	110	$found = 1;
	111	}
	112	}
	113	}
	114	}
	115
43db5b99	116	if (!$found && preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5f297a5c AD	117	$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
	118	}
	119
43db5b99	120	if (!$found && preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5d429910	121
ec482d28 AD	122	_debug("Handling as Gfycat", $debug);
ec482d28 AD	123
6322fc68	124	$tmp = fetch_file_contents($entry->getAttribute("href"));
5d429910	125
6322fc68 AD	126	if ($tmp) {
6322fc68 AD	127	$tmpdoc = new DOMDocument();
5d429910	128
58a44ecb	129	if (@$tmpdoc->loadHTML($tmp)) {
6322fc68	130	$tmpxpath = new DOMXPath($tmpdoc);
b8887ebb	131
46506d3f AD	132	$source_node = $tmpxpath->query("//video[contains(@class,'share-video')]//source[contains(@src, '.mp4')]")->item(0);
46506d3f AD	133	$poster_node = $tmpxpath->query("//video[contains(@class,'share-video') and @poster]")->item(0);
5d429910	134
46506d3f AD	135	if ($source_node && $poster_node) {
	136	$source_stream = $source_node->getAttribute("src");
	137	$poster_url = $poster_node->getAttribute("poster");
5d429910	138
46506d3f AD	139	$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
46506d3f AD	140	$found = 1;
5d429910	141	}
6322fc68 AD	142	}
6322fc68 AD	143	}
6322fc68	144	}
98e20510	145
60e97d9e AD	146	if (!$found && preg_match("/https?:\/\/(www\.)?streamable.com\//i", $entry->getAttribute("href"))) {
	147
	148	_debug("Handling as Streamable", $debug);
	149
	150	$tmp = fetch_file_contents($entry->getAttribute("href"));
	151
	152	if ($tmp) {
	153	$tmpdoc = new DOMDocument();
	154
	155	if (@$tmpdoc->loadHTML($tmp)) {
	156	$tmpxpath = new DOMXPath($tmpdoc);
	157
	158	$source_node = $tmpxpath->query("//video[contains(@class,'video-player-tag')]//source[contains(@src, '.mp4')]")->item(0);
	159	$poster_node = $tmpxpath->query("//video[contains(@class,'video-player-tag') and @poster]")->item(0);
	160
	161	if ($source_node && $poster_node) {
	162	$source_stream = $source_node->getAttribute("src");
	163	$poster_url = $poster_node->getAttribute("poster");
	164
	165	$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
	166	$found = 1;
	167	}
	168	}
	169	}
	170	}
	171
5f297a5c	172	// imgur .gif -> .gifv
43db5b99	173	if (!$found && preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
ec482d28 AD	174	_debug("Handling as imgur gif (->gifv)", $debug);
ec482d28 AD	175
5f297a5c AD	176	$entry->setAttribute("href",
	177	str_replace(".gif", ".gifv", $entry->getAttribute("href")));
	178	}
	179
8c395462	180	if (!$found && preg_match("/\.(gifv\|mp4)$/i", $entry->getAttribute("href"))) {
ec482d28	181	_debug("Handling as imgur gifv", $debug);
5d429910	182
6322fc68	183	$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
b8887ebb	184
49048482	185	if (strpos($source_stream, "imgur.com") !== FALSE)
b8887ebb AD	186	$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
b8887ebb AD	187
ec482d28	188	$this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug);
98e20510	189
6322fc68 AD	190	$found = true;
6322fc68 AD	191	}
9875d717	192
6322fc68	193	$matches = array();
43db5b99	194	if (!$found && preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
0a361964 AD	195	preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
0a361964 AD	196	preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
6322fc68	197	preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
3b9ca4e6	198
6322fc68	199	$vid_id = $matches[1];
3b9ca4e6	200
ec482d28 AD	201	_debug("Handling as youtube: $vid_id", $debug);
ec482d28 AD	202
6322fc68 AD	203	$iframe = $doc->createElement("iframe");
	204	$iframe->setAttribute("class", "youtube-player");
	205	$iframe->setAttribute("type", "text/html");
	206	$iframe->setAttribute("width", "640");
	207	$iframe->setAttribute("height", "385");
	208	$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
	209	$iframe->setAttribute("allowfullscreen", "1");
	210	$iframe->setAttribute("frameborder", "0");
3b9ca4e6	211
6322fc68 AD	212	$br = $doc->createElement('br');
	213	$entry->parentNode->insertBefore($iframe, $entry);
	214	$entry->parentNode->insertBefore($br, $entry);
3b9ca4e6	215
6322fc68 AD	216	$found = true;
6322fc68 AD	217	}
3b9ca4e6	218
43db5b99	219	if (!$found && preg_match("/\.(jpg\|jpeg\|gif\|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) \|\|
90e45935 AD	220	mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE \|\|
90e45935 AD	221	mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) {
eb95d1bd	222
ec482d28 AD	223	_debug("Handling as a picture", $debug);
ec482d28 AD	224
6322fc68 AD	225	$img = $doc->createElement('img');
6322fc68 AD	226	$img->setAttribute("src", $entry->getAttribute("href"));
cc85704f	227
6322fc68 AD	228	$br = $doc->createElement('br');
	229	$entry->parentNode->insertBefore($img, $entry);
	230	$entry->parentNode->insertBefore($br, $entry);
ce7d5e87	231
6322fc68 AD	232	$found = true;
6322fc68 AD	233	}
ce7d5e87	234
d4ac4fc6	235	// linked albums & pages
35055d05	236
43db5b99	237	if (!$found && preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) \|\|
8b2a52c6	238	preg_match("/^https?:\/\/(m\.)?imgur.com\/(a\|album\|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
35055d05	239
c80175bd	240	_debug("Handling as an imgur page/album/gallery", $debug);
ec482d28	241
6322fc68 AD	242	$album_content = fetch_file_contents($entry->getAttribute("href"),
6322fc68 AD	243	false, false, false, false, 10);
35055d05	244
6322fc68 AD	245	if ($album_content) {
6322fc68 AD	246	$adoc = new DOMDocument();
35055d05	247
58a44ecb	248	if (@$adoc->loadHTML($album_content)) {
6322fc68	249	$axpath = new DOMXPath($adoc);
ec482d28	250
a6fde6c9	251	$aentries = $axpath->query("(//div[@class='post-image']/img[@src] \| //a[@class='zoom']/img[@src] \| //div[@class='video-elements']/source)");
ec482d28 AD	252	$urls = [];
	253
	254	foreach ($aentries as $aentry) {
	255
	256	$url = $aentry->getAttribute("src");
	257
	258	if (!in_array($url, $urls)) {
ec482d28	259
a6fde6c9	260	if ($aentry->tagName == "img") {
ec482d28	261
a6fde6c9 AD	262	$img = $doc->createElement('img');
	263	$img->setAttribute("src", $url);
	264	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
	265
	266	$br = $doc->createElement('br');
	267
	268	$entry->parentNode->insertBefore($img, $entry);
	269	$entry->parentNode->insertBefore($br, $entry);
	270	} else if ($aentry->tagName == "source") {
	271
49048482	272	if (strpos($url, "imgur.com") !== FALSE)
a6fde6c9 AD	273	$poster_url = str_replace(".mp4", "h.jpg", $url);
	274	else
	275	$poster_url = "";
	276
	277	$this->handle_as_video($doc, $entry, $url, $poster_url);
	278
	279	}
ec482d28 AD	280
	281	array_push($urls, $url);
	282
	283	$found = true;
	284	}
	285
35055d05	286	}
ec482d28 AD	287
ec482d28 AD	288	if ($debug) print_r($urls);
cc85704f	289	}
cc85704f	290	}
6322fc68	291	}
58a44ecb AD	292
58a44ecb AD	293	// wtf is this even
43db5b99	294	if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
58a44ecb AD	295	$img_id = $matches[1];
58a44ecb AD	296
ec482d28 AD	297	_debug("handling as gyazo: $img_id", $debug);
ec482d28 AD	298
58a44ecb AD	299	$img = $doc->createElement('img');
	300	$img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
	301
	302	$br = $doc->createElement('br');
	303	$entry->parentNode->insertBefore($img, $entry);
	304	$entry->parentNode->insertBefore($br, $entry);
	305
	306	$found = true;
	307	}
6322fc68 AD	308	}
	309
	310	// remove tiny thumbnails
	311	if ($entry->hasAttribute("src")) {
	312	if ($entry->parentNode && $entry->parentNode->parentNode) {
	313	$entry->parentNode->parentNode->removeChild($entry->parentNode);
	314	}
	315	}
	316	}
cc85704f	317
6322fc68 AD	318	return $found;
6322fc68 AD	319	}
b90c4468	320
6322fc68	321	function hook_article_filter($article) {
b90c4468	322
6322fc68 AD	323	if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
	324	$doc = new DOMDocument();
	325	@$doc->loadHTML($article["content"]);
	326	$xpath = new DOMXPath($doc);
99bb8b3b	327
582ff3cf AD	328	$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
582ff3cf AD	329
891b77f9	330	if ($this->host->get($this, "enable_content_dupcheck")) {
902b1ac7	331
891b77f9 AD	332	if ($content_link) {
	333	$content_href = db_escape_string($content_link->getAttribute("href"));
	334	$entry_guid = db_escape_string($article["guid_hashed"]);
	335	$owner_uid = $article["owner_uid"];
902b1ac7	336
891b77f9 AD	337	if (DB_TYPE == "pgsql") {
	338	$interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
	339	} else {
	340	$interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
	341	}
902b1ac7	342
891b77f9 AD	343	$result = db_query("SELECT COUNT(id) AS cid
	344	FROM ttrss_entries, ttrss_user_entries WHERE
	345	ref_id = id AND
	346	$interval_qpart AND
	347	guid != '$entry_guid' AND
	348	owner_uid = '$owner_uid' AND
	349	content LIKE '%href=\"$content_href\">[link]%'");
902b1ac7	350
891b77f9 AD	351	if ($result) {
891b77f9 AD	352	$num_found = db_fetch_result($result, 0, "cid");
902b1ac7	353
891b77f9 AD	354	if ($num_found > 0) $article["force_catchup"] = true;
891b77f9 AD	355	}
902b1ac7	356	}
891b77f9	357	}
4f5204dd	358
4533b3ef	359	$found = $this->inline_stuff($article, $doc, $xpath);
b90c4468	360
6322fc68 AD	361	$node = $doc->getElementsByTagName('body')->item(0);
	362
	363	if ($node && $found) {
	364	$article["content"] = $doc->saveXML($node);
e487e92d AD	365	} else if ($content_link) {
e487e92d AD	366	$article = $this->readability($article, $content_link->getAttribute("href"), $doc, $xpath);
6322fc68	367	}
cc85704f AD	368	}
	369
	370	return $article;
	371	}
106a3de9 AD	372
	373	function api_version() {
	374	return 2;
	375	}
	376
ec482d28 AD	377	private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) {
	378
	379	_debug("handle_as_video: $source_stream", $debug);
5d429910 AD	380
	381	$video = $doc->createElement('video');
	382	$video->setAttribute("autoplay", "1");
5dcc7bf1	383	$video->setAttribute("controls", "1");
5d429910 AD	384	$video->setAttribute("loop", "1");
5d429910 AD	385
b8887ebb AD	386	if ($poster_url) $video->setAttribute("poster", $poster_url);
b8887ebb AD	387
5d429910 AD	388	$source = $doc->createElement('source');
	389	$source->setAttribute("src", $source_stream);
	390	$source->setAttribute("type", "video/mp4");
	391
	392	$video->appendChild($source);
	393
	394	$br = $doc->createElement('br');
	395	$entry->parentNode->insertBefore($video, $entry);
	396	$entry->parentNode->insertBefore($br, $entry);
	397
	398	$img = $doc->createElement('img');
	399	$img->setAttribute("src",
	400	"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
	401
	402	$entry->parentNode->insertBefore($img, $entry);
	403	}
ec482d28 AD	404
	405	function testurl() {
	406	$url = htmlspecialchars($_REQUEST["url"]);
	407
	408	header("Content-type: text/plain");
	409
	410	print "URL: $url\n";
	411
	412	$doc = new DOMDocument();
	413	@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
	414	$xpath = new DOMXPath($doc);
	415
e487e92d AD	416	$found = $this->inline_stuff([], $doc, $xpath, true);
	417
	418	print "Inline result: $found\n";
	419
	420	if (!$found) {
	421	print "\nReadability result:\n";
ec482d28	422
e487e92d	423	$article = $this->readability([], $url, $doc, $xpath, true);
ec482d28	424
e487e92d AD	425	print_r($article);
	426	} else {
	427	print "\nResulting HTML:\n";
ec482d28	428
e487e92d AD	429	print $doc->saveHTML();
e487e92d AD	430	}
ec482d28	431	}
90e45935 AD	432
	433	private function get_content_type($url, $useragent = SELF_USER_AGENT) {
	434	$content_type = false;
	435
	436	if (function_exists("curl_init") && !defined("NO_CURL")) {
	437	$ch = curl_init($url);
	438	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	439	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	440	curl_setopt($ch, CURLOPT_HEADER, true);
	441	curl_setopt($ch, CURLOPT_NOBODY, true);
	442	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
	443	curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
	444
	445	@$result = curl_exec($ch);
	446	$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
	447	}
	448
	449	return $content_type;
	450	}
e487e92d AD	451
	452	private function readability($article, $url, $doc, $xpath, $debug = false) {
	453
	454	if (!defined('NO_CURL') && function_exists("curl_init") && $this->host->get($this, "enable_readability") &&
	455	mb_strlen(strip_tags($article["content"])) <= 150) {
	456
	457	if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
	458
	459	if ($url &&
	460	strpos($url, "twitter.com") === FALSE &&
	461	strpos($url, "youtube.com") === FALSE &&
	462	strpos($url, "reddit.com") === FALSE) {
	463
	464	/* link may lead to a huge video file or whatever, we need to check content type before trying to
	465	parse it which p much requires curl */
	466
	467	$useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";
	468
	469	$content_type = $this->get_content_type($url, $useragent_compat);
	470
	471	if ($content_type && strpos($content_type, "text/html") !== FALSE) {
	472
	473	$tmp = fetch_file_contents(array("url" => $url,
	474	"useragent" => $useragent_compat));
	475
	476	if ($debug) _debug("tmplen: " . mb_strlen($tmp));
	477
	478	if ($tmp && mb_strlen($tmp) < 1024 * 500) {
	479
	480	$r = new Readability($tmp, $url);
	481
	482	if ($r->init()) {
	483
	484	$tmpxpath = new DOMXPath($r->dom);
	485
	486	$entries = $tmpxpath->query('(//a[@href]\|//img[@src])');
	487
	488	foreach ($entries as $entry) {
	489	if ($entry->hasAttribute("href")) {
	490	$entry->setAttribute("href",
	491	rewrite_relative_url($url, $entry->getAttribute("href")));
	492
	493	}
	494
	495	if ($entry->hasAttribute("src")) {
	496	$entry->setAttribute("src",
	497	rewrite_relative_url($url, $entry->getAttribute("src")));
	498
	499	}
	500
	501	}
	502
	503	$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
	504	}
	505	}
	506	}
	507	}
	508	}
	509
	510	return $article;
	511	}
cc85704f AD	512	}
cc85704f AD	513	?>