[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 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" : "";

		$enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck");
		$enable_content_dupcheck_checked = $enable_content_dupcheck ? "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 "<br/>";

		print "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_content_dupcheck\"
			$enable_content_dupcheck_checked name=\"enable_content_dupcheck\">&nbsp;";

		print "<label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</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";
		$enable_content_dupcheck = checkbox_to_sql_bool($_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($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 (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)) {

					_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_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"))) {
					_debug("Handling as imgur gif (->gifv)", $debug);

					$entry->setAttribute("href",
						str_replace(".gif", ".gifv", $entry->getAttribute("href")));
				}

				if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
					_debug("Handling as imgur gifv", $debug);

					$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, $debug);

					$found = true;
				}

				$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];

					_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 (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 (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("//meta[@property='og:image']");
							$urls = array();

							foreach ($aentries as $aentry) {

								_debug("og:image content=" . $aentry->getAttribute("content"), $debug);

								$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;
								}
							} */

							//if ($debug) print_r($album_content);

							$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, "i.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 (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);

			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 */

					$useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";

					$content_type = $this->get_content_type($content_link->getAttribute("href"), $useragent_compat);

					if ($content_type && strpos($content_type, "text/html") !== FALSE) {

						$tmp = fetch_file_contents(array("url" => $content_link->getAttribute("href"),
							"useragent" => $useragent_compat));

						//_debug("tmplen: " . mb_strlen($tmp));

						if ($tmp && mb_strlen($tmp) < 1024 * 250) {

							$r = new Readability($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, $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);

		print "Inline result: " . $this->inline_stuff([], $doc, $xpath, true) . "\n";

		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;
	}
}
?>
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
	25	print "<div id=\"af_redditimgur_prefs\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_redditimgur settings')."\">";
	26
	27	$enable_readability = $this->host->get($this, "enable_readability");
	28	$enable_readability_checked = $enable_readability ? "checked" : "";
	29
891b77f9 AD	30	$enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck");
891b77f9 AD	31	$enable_content_dupcheck_checked = $enable_content_dupcheck ? "checked" : "";
8788698b	32
b90c4468 AD	33	print "<form dojoType=\"dijit.form.Form\">";
	34
	35	print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
	36	evt.preventDefault();
	37	if (this.validate()) {
	38	console.log(dojo.objectToQuery(this.getValues()));
	39	new Ajax.Request('backend.php', {
	40	parameters: dojo.objectToQuery(this.getValues()),
	41	onComplete: function(transport) {
	42	notify_info(transport.responseText);
	43	}
	44	});
	45	//this.reset();
	46	}
	47	</script>";
	48
	49	print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">";
	50	print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
	51	print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"af_redditimgur\">";
	52
73dfda1d	53	print "<p>" . __("Uses Readability (full-text-rss) implementation by <a target='_blank' href='https://bitbucket.org/fivefilters/'>FiveFilters.org</a>");
b90c4468 AD	54	print "<p/>";
	55
	56	print "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_readability\"
	57	$enable_readability_checked name=\"enable_readability\"> ";
	58
	59	print "<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
	60
891b77f9	61	print "<br/>";
8788698b	62
891b77f9 AD	63	print "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_content_dupcheck\"
	64	$enable_content_dupcheck_checked name=\"enable_content_dupcheck\"> ";
	65
	66	print "<label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
b90c4468 AD	67	print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
	68	__("Save")."</button>";
	69
	70	print "</form>";
	71
	72	print "</div>";
	73	}
	74
	75	function save() {
	76	$enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true";
891b77f9	77	$enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]) == "true";
4533b3ef	78
891b77f9 AD	79	$this->host->set($this, "enable_readability", $enable_readability, false);
891b77f9 AD	80	$this->host->set($this, "enable_content_dupcheck", $enable_content_dupcheck);
b90c4468 AD	81
b90c4468 AD	82	echo __("Configuration saved");
19c73507 AD	83	}
19c73507 AD	84
ec482d28	85	private function inline_stuff($article, &$doc, $xpath, $debug = false) {
cc85704f	86
6322fc68	87	$entries = $xpath->query('(//a[@href]\|//img[@src])');
cc85704f	88
6322fc68	89	$found = false;
ce7d5e87	90
6322fc68 AD	91	foreach ($entries as $entry) {
6322fc68 AD	92	if ($entry->hasAttribute("href")) {
299aeb30	93
ec482d28 AD	94	_debug("processing href: " . $entry->getAttribute("href"), $debug);
ec482d28 AD	95
6322fc68	96	$matches = array();
5d429910	97
8788698b AD	98
	99	if (preg_match("/^https?:\/\/twitter.com\/(.?)\/status\/(.)/", $entry->getAttribute("href"), $matches)) {
	100	_debug("handling as twitter: " . $matches[1] . " " . $matches[2], $debug);
	101
	102	$oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href")));
	103
	104	if ($oembed_result) {
	105	$oembed_result = json_decode($oembed_result, true);
	106
	107	if ($oembed_result && isset($oembed_result["html"])) {
	108
	109	$tmp = new DOMDocument();
	110	if ($tmp->loadHTML($oembed_result["html"])) {
	111	$p = $doc->createElement("p");
	112
	113	$p->appendChild($doc->importNode(
	114	$tmp->getElementsByTagName("blockquote")->item(0), TRUE));
	115
	116	$br = $doc->createElement('br');
	117	$entry->parentNode->insertBefore($p, $entry);
	118	$entry->parentNode->insertBefore($br, $entry);
	119
	120	$found = 1;
	121	}
	122	}
	123	}
	124	}
	125
5f297a5c AD	126	if (preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
	127	$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
	128	}
	129
b8887ebb	130	if (preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5d429910	131
ec482d28 AD	132	_debug("Handling as Gfycat", $debug);
ec482d28 AD	133
6322fc68	134	$tmp = fetch_file_contents($entry->getAttribute("href"));
5d429910	135
6322fc68 AD	136	if ($tmp) {
6322fc68 AD	137	$tmpdoc = new DOMDocument();
5d429910	138
58a44ecb	139	if (@$tmpdoc->loadHTML($tmp)) {
6322fc68	140	$tmpxpath = new DOMXPath($tmpdoc);
b8887ebb	141
1f6732b2	142	$source_meta = $tmpxpath->query("//meta[@name='twitter:player:stream' and contains(@content, '.mp4')]")->item(0);
b8887ebb	143	$poster_meta = $tmpxpath->query("//meta[@property='og:image' and contains(@content,'thumbs.gfycat.com')]")->item(0);
5d429910	144
6322fc68 AD	145	if ($source_meta) {
6322fc68 AD	146	$source_stream = $source_meta->getAttribute("content");
b8887ebb	147	$poster_url = false;
5d429910	148
6322fc68	149	if ($source_stream) {
b8887ebb AD	150
	151	if ($poster_meta)
	152	$poster_url = $poster_meta->getAttribute("content");
	153
	154	$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
6322fc68	155	$found = 1;
5d429910	156	}
5d429910	157	}
6322fc68 AD	158	}
6322fc68 AD	159	}
5d429910	160
6322fc68	161	}
98e20510	162
5f297a5c AD	163	// imgur .gif -> .gifv
5f297a5c AD	164	if (preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
ec482d28 AD	165	_debug("Handling as imgur gif (->gifv)", $debug);
ec482d28 AD	166
5f297a5c AD	167	$entry->setAttribute("href",
	168	str_replace(".gif", ".gifv", $entry->getAttribute("href")));
	169	}
	170
6322fc68	171	if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
ec482d28	172	_debug("Handling as imgur gifv", $debug);
5d429910	173
6322fc68	174	$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
b8887ebb AD	175
	176	if (strpos($source_stream, "i.imgur.com") !== FALSE)
	177	$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
	178
ec482d28	179	$this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug);
98e20510	180
6322fc68 AD	181	$found = true;
6322fc68 AD	182	}
9875d717	183
6322fc68	184	$matches = array();
0a361964 AD	185	if (preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
	186	preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
	187	preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
6322fc68	188	preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
3b9ca4e6	189
6322fc68	190	$vid_id = $matches[1];
3b9ca4e6	191
ec482d28 AD	192	_debug("Handling as youtube: $vid_id", $debug);
ec482d28 AD	193
6322fc68 AD	194	$iframe = $doc->createElement("iframe");
	195	$iframe->setAttribute("class", "youtube-player");
	196	$iframe->setAttribute("type", "text/html");
	197	$iframe->setAttribute("width", "640");
	198	$iframe->setAttribute("height", "385");
	199	$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
	200	$iframe->setAttribute("allowfullscreen", "1");
	201	$iframe->setAttribute("frameborder", "0");
3b9ca4e6	202
6322fc68 AD	203	$br = $doc->createElement('br');
	204	$entry->parentNode->insertBefore($iframe, $entry);
	205	$entry->parentNode->insertBefore($br, $entry);
3b9ca4e6	206
6322fc68 AD	207	$found = true;
6322fc68 AD	208	}
3b9ca4e6	209
eb95d1bd	210	if (preg_match("/\.(jpg\|jpeg\|gif\|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) \|\|
90e45935 AD	211	mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE \|\|
90e45935 AD	212	mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) {
eb95d1bd	213
ec482d28 AD	214	_debug("Handling as a picture", $debug);
ec482d28 AD	215
6322fc68 AD	216	$img = $doc->createElement('img');
6322fc68 AD	217	$img->setAttribute("src", $entry->getAttribute("href"));
cc85704f	218
6322fc68 AD	219	$br = $doc->createElement('br');
	220	$entry->parentNode->insertBefore($img, $entry);
	221	$entry->parentNode->insertBefore($br, $entry);
ce7d5e87	222
6322fc68 AD	223	$found = true;
6322fc68 AD	224	}
ce7d5e87	225
d4ac4fc6	226	// linked albums & pages
35055d05	227
d4ac4fc6	228	if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) \|\|
8b2a52c6	229	preg_match("/^https?:\/\/(m\.)?imgur.com\/(a\|album\|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
35055d05	230
c80175bd	231	_debug("Handling as an imgur page/album/gallery", $debug);
ec482d28	232
6322fc68 AD	233	$album_content = fetch_file_contents($entry->getAttribute("href"),
6322fc68 AD	234	false, false, false, false, 10);
35055d05	235
6322fc68 AD	236	if ($album_content) {
6322fc68 AD	237	$adoc = new DOMDocument();
35055d05	238
58a44ecb	239	if (@$adoc->loadHTML($album_content)) {
6322fc68	240	$axpath = new DOMXPath($adoc);
ec482d28 AD	241
ec482d28 AD	242	/*$aentries = $axpath->query("//meta[@property='og:image']");
6322fc68	243	$urls = array();
35055d05	244
6322fc68	245	foreach ($aentries as $aentry) {
7ff4d1fa	246
ec482d28 AD	247	_debug("og:image content=" . $aentry->getAttribute("content"), $debug);
ec482d28 AD	248
ecc92d92	249	$url = str_replace("?fb", "", $aentry->getAttribute("content"));
a4617617 AD	250	$check_url = basename($url);
a4617617 AD	251	$check_url = mb_substr($check_url, 0, strrpos($check_url, "."));
ecc92d92	252
a4617617	253	if (!in_array($check_url, $urls)) {
6322fc68	254	$img = $doc->createElement('img');
ecc92d92	255	$img->setAttribute("src", $url);
6322fc68	256	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
7ff4d1fa	257
6322fc68	258	$br = $doc->createElement('br');
7ff4d1fa	259
6322fc68 AD	260	$entry->parentNode->insertBefore($img, $entry);
6322fc68 AD	261	$entry->parentNode->insertBefore($br, $entry);
98e20510	262
a4617617	263	array_push($urls, $check_url);
98e20510	264
6322fc68	265	$found = true;
35055d05	266	}
ec482d28 AD	267	} */
ec482d28 AD	268
c80175bd AD	269	//if ($debug) print_r($album_content);
c80175bd AD	270
a6fde6c9	271	$aentries = $axpath->query("(//div[@class='post-image']/img[@src] \| //a[@class='zoom']/img[@src] \| //div[@class='video-elements']/source)");
ec482d28 AD	272	$urls = [];
	273
	274	foreach ($aentries as $aentry) {
	275
	276	$url = $aentry->getAttribute("src");
	277
	278	if (!in_array($url, $urls)) {
ec482d28	279
a6fde6c9	280	if ($aentry->tagName == "img") {
ec482d28	281
a6fde6c9 AD	282	$img = $doc->createElement('img');
	283	$img->setAttribute("src", $url);
	284	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
	285
	286	$br = $doc->createElement('br');
	287
	288	$entry->parentNode->insertBefore($img, $entry);
	289	$entry->parentNode->insertBefore($br, $entry);
	290	} else if ($aentry->tagName == "source") {
	291
	292	if (strpos($url, "i.imgur.com") !== FALSE)
	293	$poster_url = str_replace(".mp4", "h.jpg", $url);
	294	else
	295	$poster_url = "";
	296
	297	$this->handle_as_video($doc, $entry, $url, $poster_url);
	298
	299	}
ec482d28 AD	300
	301	array_push($urls, $url);
	302
	303	$found = true;
	304	}
	305
35055d05	306	}
ec482d28 AD	307
ec482d28 AD	308	if ($debug) print_r($urls);
cc85704f	309	}
cc85704f	310	}
6322fc68	311	}
58a44ecb AD	312
	313	// wtf is this even
	314	if (preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
	315	$img_id = $matches[1];
	316
ec482d28 AD	317	_debug("handling as gyazo: $img_id", $debug);
ec482d28 AD	318
58a44ecb AD	319	$img = $doc->createElement('img');
	320	$img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
	321
	322	$br = $doc->createElement('br');
	323	$entry->parentNode->insertBefore($img, $entry);
	324	$entry->parentNode->insertBefore($br, $entry);
	325
	326	$found = true;
	327	}
6322fc68 AD	328	}
	329
	330	// remove tiny thumbnails
	331	if ($entry->hasAttribute("src")) {
	332	if ($entry->parentNode && $entry->parentNode->parentNode) {
	333	$entry->parentNode->parentNode->removeChild($entry->parentNode);
	334	}
	335	}
	336	}
cc85704f	337
6322fc68 AD	338	return $found;
6322fc68 AD	339	}
b90c4468	340
6322fc68	341	function hook_article_filter($article) {
b90c4468	342
6322fc68 AD	343	if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
	344	$doc = new DOMDocument();
	345	@$doc->loadHTML($article["content"]);
	346	$xpath = new DOMXPath($doc);
99bb8b3b	347
582ff3cf AD	348	$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
582ff3cf AD	349
891b77f9	350	if ($this->host->get($this, "enable_content_dupcheck")) {
902b1ac7	351
891b77f9 AD	352	if ($content_link) {
	353	$content_href = db_escape_string($content_link->getAttribute("href"));
	354	$entry_guid = db_escape_string($article["guid_hashed"]);
	355	$owner_uid = $article["owner_uid"];
902b1ac7	356
891b77f9 AD	357	if (DB_TYPE == "pgsql") {
	358	$interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
	359	} else {
	360	$interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
	361	}
902b1ac7	362
891b77f9 AD	363	$result = db_query("SELECT COUNT(id) AS cid
	364	FROM ttrss_entries, ttrss_user_entries WHERE
	365	ref_id = id AND
	366	$interval_qpart AND
	367	guid != '$entry_guid' AND
	368	owner_uid = '$owner_uid' AND
	369	content LIKE '%href=\"$content_href\">[link]%'");
902b1ac7	370
891b77f9 AD	371	if ($result) {
891b77f9 AD	372	$num_found = db_fetch_result($result, 0, "cid");
902b1ac7	373
891b77f9 AD	374	if ($num_found > 0) $article["force_catchup"] = true;
891b77f9 AD	375	}
902b1ac7	376	}
891b77f9	377	}
4f5204dd	378
4533b3ef	379	$found = $this->inline_stuff($article, $doc, $xpath);
b90c4468	380
aa03bac4	381	if (!defined('NO_CURL') && function_exists("curl_init") && !$found && $this->host->get($this, "enable_readability") &&
6475fc7e AD	382	mb_strlen(strip_tags($article["content"])) <= 150) {
6475fc7e AD	383
8b08d9d7	384	if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
b90c4468	385
12d880d7 AD	386	if ($content_link &&
12d880d7 AD	387	strpos($content_link->getAttribute("href"), "twitter.com") === FALSE &&
9ec9a8f9	388	strpos($content_link->getAttribute("href"), "youtube.com") === FALSE &&
12d880d7	389	strpos($content_link->getAttribute("href"), "reddit.com") === FALSE) {
fd61fd6e	390
6475fc7e AD	391	/* link may lead to a huge video file or whatever, we need to check content type before trying to
6475fc7e AD	392	parse it which p much requires curl */
fd61fd6e	393
76ba1df7 AD	394	$useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";
76ba1df7 AD	395
90e45935	396	$content_type = $this->get_content_type($content_link->getAttribute("href"), $useragent_compat);
b90c4468	397
6475fc7e	398	if ($content_type && strpos($content_type, "text/html") !== FALSE) {
fd61fd6e	399
76ba1df7 AD	400	$tmp = fetch_file_contents(array("url" => $content_link->getAttribute("href"),
76ba1df7 AD	401	"useragent" => $useragent_compat));
fd61fd6e	402
4d03c5c5 AD	403	//_debug("tmplen: " . mb_strlen($tmp));
4d03c5c5 AD	404
76ba1df7	405	if ($tmp && mb_strlen($tmp) < 1024 * 250) {
4d03c5c5	406
6475fc7e	407	$r = new Readability($tmp, $content_link->getAttribute("href"));
fd61fd6e	408
6475fc7e	409	if ($r->init()) {
b90c4468	410
6475fc7e	411	$tmpxpath = new DOMXPath($r->dom);
b90c4468	412
6475fc7e	413	$entries = $tmpxpath->query('(//a[@href]\|//img[@src])');
6322fc68	414
6475fc7e AD	415	foreach ($entries as $entry) {
	416	if ($entry->hasAttribute("href")) {
	417	$entry->setAttribute("href",
	418	rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
	419
	420	}
b90c4468	421
6475fc7e AD	422	if ($entry->hasAttribute("src")) {
	423	$entry->setAttribute("src",
	424	rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
cc85704f	425
6475fc7e	426	}
6322fc68	427
6475fc7e AD	428	}
	429
	430	$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
	431
47888b3d AD	432	// prob not a very good idea (breaks wikipedia pages, etc) -
47888b3d AD	433	// inliner currently is not really fit for any random web content
6475fc7e	434
47888b3d AD	435	//$doc = new DOMDocument();
	436	//@$doc->loadHTML($article["content"]);
	437	//$xpath = new DOMXPath($doc);
	438	//$found = $this->inline_stuff($article, $doc, $xpath);
6475fc7e	439	}
6322fc68	440	}
a16d7a5d	441	}
cc85704f	442	}
6322fc68 AD	443
	444	}
	445
	446	$node = $doc->getElementsByTagName('body')->item(0);
	447
	448	if ($node && $found) {
	449	$article["content"] = $doc->saveXML($node);
	450	}
cc85704f AD	451	}
	452
	453	return $article;
	454	}
106a3de9 AD	455
	456	function api_version() {
	457	return 2;
	458	}
	459
ec482d28 AD	460	private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) {
	461
	462	_debug("handle_as_video: $source_stream", $debug);
5d429910 AD	463
	464	$video = $doc->createElement('video');
	465	$video->setAttribute("autoplay", "1");
5dcc7bf1	466	$video->setAttribute("controls", "1");
5d429910 AD	467	$video->setAttribute("loop", "1");
5d429910 AD	468
b8887ebb AD	469	if ($poster_url) $video->setAttribute("poster", $poster_url);
b8887ebb AD	470
5d429910 AD	471	$source = $doc->createElement('source');
	472	$source->setAttribute("src", $source_stream);
	473	$source->setAttribute("type", "video/mp4");
	474
	475	$video->appendChild($source);
	476
	477	$br = $doc->createElement('br');
	478	$entry->parentNode->insertBefore($video, $entry);
	479	$entry->parentNode->insertBefore($br, $entry);
	480
	481	$img = $doc->createElement('img');
	482	$img->setAttribute("src",
	483	"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
	484
	485	$entry->parentNode->insertBefore($img, $entry);
	486	}
ec482d28 AD	487
	488	function testurl() {
	489	$url = htmlspecialchars($_REQUEST["url"]);
	490
	491	header("Content-type: text/plain");
	492
	493	print "URL: $url\n";
	494
	495	$doc = new DOMDocument();
	496	@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
	497	$xpath = new DOMXPath($doc);
	498
	499	print "Inline result: " . $this->inline_stuff([], $doc, $xpath, true) . "\n";
	500
	501	print "\nResulting HTML:\n";
	502
	503	print $doc->saveHTML();
	504
	505	}
90e45935 AD	506
	507	private function get_content_type($url, $useragent = SELF_USER_AGENT) {
	508	$content_type = false;
	509
	510	if (function_exists("curl_init") && !defined("NO_CURL")) {
	511	$ch = curl_init($url);
	512	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	513	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	514	curl_setopt($ch, CURLOPT_HEADER, true);
	515	curl_setopt($ch, CURLOPT_NOBODY, true);
	516	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
	517	curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
	518
	519	@$result = curl_exec($ch);
	520	$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
	521	}
	522
	523	return $content_type;
	524	}
cc85704f AD	525	}
cc85704f AD	526	?>