[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("/\.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"))) {
					_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])");
							$urls = [];

							foreach ($aentries as $aentry) {

								$url = $aentry->getAttribute("src");

								if (!in_array($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, $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 */

					$ch = curl_init($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, $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();

	}
}
?>
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");
	31	$enable_content_dupcheck_checked = $enable_content_dupcheck ? "checked" : "";
	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 AD	61	print "<br/>";
	62
	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	$matches = array();
5d429910	97
5f297a5c AD	98	if (preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
	99	$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
	100	}
	101
b8887ebb	102	if (preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5d429910	103
ec482d28 AD	104	_debug("Handling as Gfycat", $debug);
ec482d28 AD	105
6322fc68	106	$tmp = fetch_file_contents($entry->getAttribute("href"));
5d429910	107
6322fc68 AD	108	if ($tmp) {
6322fc68 AD	109	$tmpdoc = new DOMDocument();
5d429910	110
58a44ecb	111	if (@$tmpdoc->loadHTML($tmp)) {
6322fc68	112	$tmpxpath = new DOMXPath($tmpdoc);
b8887ebb	113
1f6732b2	114	$source_meta = $tmpxpath->query("//meta[@name='twitter:player:stream' and contains(@content, '.mp4')]")->item(0);
b8887ebb	115	$poster_meta = $tmpxpath->query("//meta[@property='og:image' and contains(@content,'thumbs.gfycat.com')]")->item(0);
5d429910	116
6322fc68 AD	117	if ($source_meta) {
6322fc68 AD	118	$source_stream = $source_meta->getAttribute("content");
b8887ebb	119	$poster_url = false;
5d429910	120
6322fc68	121	if ($source_stream) {
b8887ebb AD	122
	123	if ($poster_meta)
	124	$poster_url = $poster_meta->getAttribute("content");
	125
	126	$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
6322fc68	127	$found = 1;
5d429910	128	}
5d429910	129	}
6322fc68 AD	130	}
6322fc68 AD	131	}
5d429910	132
6322fc68	133	}
98e20510	134
5f297a5c AD	135	// imgur .gif -> .gifv
5f297a5c AD	136	if (preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
ec482d28 AD	137	_debug("Handling as imgur gif (->gifv)", $debug);
ec482d28 AD	138
5f297a5c AD	139	$entry->setAttribute("href",
	140	str_replace(".gif", ".gifv", $entry->getAttribute("href")));
	141	}
	142
6322fc68	143	if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
ec482d28	144	_debug("Handling as imgur gifv", $debug);
5d429910	145
6322fc68	146	$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
b8887ebb AD	147
	148	if (strpos($source_stream, "i.imgur.com") !== FALSE)
	149	$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
	150
ec482d28	151	$this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug);
98e20510	152
6322fc68 AD	153	$found = true;
6322fc68 AD	154	}
9875d717	155
6322fc68	156	$matches = array();
0a361964 AD	157	if (preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
	158	preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
	159	preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
6322fc68	160	preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
3b9ca4e6	161
6322fc68	162	$vid_id = $matches[1];
3b9ca4e6	163
ec482d28 AD	164	_debug("Handling as youtube: $vid_id", $debug);
ec482d28 AD	165
6322fc68 AD	166	$iframe = $doc->createElement("iframe");
	167	$iframe->setAttribute("class", "youtube-player");
	168	$iframe->setAttribute("type", "text/html");
	169	$iframe->setAttribute("width", "640");
	170	$iframe->setAttribute("height", "385");
	171	$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
	172	$iframe->setAttribute("allowfullscreen", "1");
	173	$iframe->setAttribute("frameborder", "0");
3b9ca4e6	174
6322fc68 AD	175	$br = $doc->createElement('br');
	176	$entry->parentNode->insertBefore($iframe, $entry);
	177	$entry->parentNode->insertBefore($br, $entry);
3b9ca4e6	178
6322fc68 AD	179	$found = true;
6322fc68 AD	180	}
3b9ca4e6	181
6322fc68	182	if (preg_match("/\.(jpg\|jpeg\|gif\|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
ec482d28 AD	183	_debug("Handling as a picture", $debug);
ec482d28 AD	184
6322fc68 AD	185	$img = $doc->createElement('img');
6322fc68 AD	186	$img->setAttribute("src", $entry->getAttribute("href"));
cc85704f	187
6322fc68 AD	188	$br = $doc->createElement('br');
	189	$entry->parentNode->insertBefore($img, $entry);
	190	$entry->parentNode->insertBefore($br, $entry);
ce7d5e87	191
6322fc68 AD	192	$found = true;
6322fc68 AD	193	}
ce7d5e87	194
d4ac4fc6	195	// linked albums & pages
35055d05	196
d4ac4fc6	197	if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) \|\|
8b2a52c6	198	preg_match("/^https?:\/\/(m\.)?imgur.com\/(a\|album\|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
35055d05	199
c80175bd	200	_debug("Handling as an imgur page/album/gallery", $debug);
ec482d28	201
6322fc68 AD	202	$album_content = fetch_file_contents($entry->getAttribute("href"),
6322fc68 AD	203	false, false, false, false, 10);
35055d05	204
6322fc68 AD	205	if ($album_content) {
6322fc68 AD	206	$adoc = new DOMDocument();
35055d05	207
58a44ecb	208	if (@$adoc->loadHTML($album_content)) {
6322fc68	209	$axpath = new DOMXPath($adoc);
ec482d28 AD	210
ec482d28 AD	211	/*$aentries = $axpath->query("//meta[@property='og:image']");
6322fc68	212	$urls = array();
35055d05	213
6322fc68	214	foreach ($aentries as $aentry) {
7ff4d1fa	215
ec482d28 AD	216	_debug("og:image content=" . $aentry->getAttribute("content"), $debug);
ec482d28 AD	217
ecc92d92	218	$url = str_replace("?fb", "", $aentry->getAttribute("content"));
a4617617 AD	219	$check_url = basename($url);
a4617617 AD	220	$check_url = mb_substr($check_url, 0, strrpos($check_url, "."));
ecc92d92	221
a4617617	222	if (!in_array($check_url, $urls)) {
6322fc68	223	$img = $doc->createElement('img');
ecc92d92	224	$img->setAttribute("src", $url);
6322fc68	225	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
7ff4d1fa	226
6322fc68	227	$br = $doc->createElement('br');
7ff4d1fa	228
6322fc68 AD	229	$entry->parentNode->insertBefore($img, $entry);
6322fc68 AD	230	$entry->parentNode->insertBefore($br, $entry);
98e20510	231
a4617617	232	array_push($urls, $check_url);
98e20510	233
6322fc68	234	$found = true;
35055d05	235	}
ec482d28 AD	236	} */
ec482d28 AD	237
c80175bd AD	238	//if ($debug) print_r($album_content);
	239
	240	$aentries = $axpath->query("(//div[@class='post-image']/img[@src] \| //a[@class='zoom']/img[@src])");
ec482d28 AD	241	$urls = [];
	242
	243	foreach ($aentries as $aentry) {
	244
	245	$url = $aentry->getAttribute("src");
	246
	247	if (!in_array($url, $urls)) {
	248	$img = $doc->createElement('img');
	249	$img->setAttribute("src", $url);
	250	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
	251
	252	$br = $doc->createElement('br');
	253
	254	$entry->parentNode->insertBefore($img, $entry);
	255	$entry->parentNode->insertBefore($br, $entry);
	256
	257	array_push($urls, $url);
	258
	259	$found = true;
	260	}
	261
35055d05	262	}
ec482d28 AD	263
ec482d28 AD	264	if ($debug) print_r($urls);
cc85704f	265	}
cc85704f	266	}
6322fc68	267	}
58a44ecb AD	268
	269	// wtf is this even
	270	if (preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
	271	$img_id = $matches[1];
	272
ec482d28 AD	273	_debug("handling as gyazo: $img_id", $debug);
ec482d28 AD	274
58a44ecb AD	275	$img = $doc->createElement('img');
	276	$img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
	277
	278	$br = $doc->createElement('br');
	279	$entry->parentNode->insertBefore($img, $entry);
	280	$entry->parentNode->insertBefore($br, $entry);
	281
	282	$found = true;
	283	}
6322fc68 AD	284	}
	285
	286	// remove tiny thumbnails
	287	if ($entry->hasAttribute("src")) {
	288	if ($entry->parentNode && $entry->parentNode->parentNode) {
	289	$entry->parentNode->parentNode->removeChild($entry->parentNode);
	290	}
	291	}
	292	}
cc85704f	293
6322fc68 AD	294	return $found;
6322fc68 AD	295	}
b90c4468	296
6322fc68	297	function hook_article_filter($article) {
b90c4468	298
6322fc68 AD	299	if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
	300	$doc = new DOMDocument();
	301	@$doc->loadHTML($article["content"]);
	302	$xpath = new DOMXPath($doc);
99bb8b3b	303
582ff3cf AD	304	$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
582ff3cf AD	305
891b77f9	306	if ($this->host->get($this, "enable_content_dupcheck")) {
902b1ac7	307
891b77f9 AD	308	if ($content_link) {
	309	$content_href = db_escape_string($content_link->getAttribute("href"));
	310	$entry_guid = db_escape_string($article["guid_hashed"]);
	311	$owner_uid = $article["owner_uid"];
902b1ac7	312
891b77f9 AD	313	if (DB_TYPE == "pgsql") {
	314	$interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
	315	} else {
	316	$interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
	317	}
902b1ac7	318
891b77f9 AD	319	$result = db_query("SELECT COUNT(id) AS cid
	320	FROM ttrss_entries, ttrss_user_entries WHERE
	321	ref_id = id AND
	322	$interval_qpart AND
	323	guid != '$entry_guid' AND
	324	owner_uid = '$owner_uid' AND
	325	content LIKE '%href=\"$content_href\">[link]%'");
902b1ac7	326
891b77f9 AD	327	if ($result) {
891b77f9 AD	328	$num_found = db_fetch_result($result, 0, "cid");
902b1ac7	329
891b77f9 AD	330	if ($num_found > 0) $article["force_catchup"] = true;
891b77f9 AD	331	}
902b1ac7	332	}
891b77f9	333	}
4f5204dd	334
4533b3ef	335	$found = $this->inline_stuff($article, $doc, $xpath);
b90c4468	336
aa03bac4	337	if (!defined('NO_CURL') && function_exists("curl_init") && !$found && $this->host->get($this, "enable_readability") &&
6475fc7e AD	338	mb_strlen(strip_tags($article["content"])) <= 150) {
6475fc7e AD	339
8b08d9d7	340	if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
b90c4468	341
12d880d7 AD	342	if ($content_link &&
12d880d7 AD	343	strpos($content_link->getAttribute("href"), "twitter.com") === FALSE &&
9ec9a8f9	344	strpos($content_link->getAttribute("href"), "youtube.com") === FALSE &&
12d880d7	345	strpos($content_link->getAttribute("href"), "reddit.com") === FALSE) {
fd61fd6e	346
6475fc7e AD	347	/* link may lead to a huge video file or whatever, we need to check content type before trying to
6475fc7e AD	348	parse it which p much requires curl */
fd61fd6e	349
6475fc7e AD	350	$ch = curl_init($content_link->getAttribute("href"));
	351	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	352	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	353	curl_setopt($ch, CURLOPT_HEADER, true);
	354	curl_setopt($ch, CURLOPT_NOBODY, true);
4c467026	355	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
6475fc7e	356	curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
fd61fd6e	357
6475fc7e AD	358	@$result = curl_exec($ch);
6475fc7e AD	359	$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
b90c4468	360
6475fc7e	361	if ($content_type && strpos($content_type, "text/html") !== FALSE) {
fd61fd6e	362
6475fc7e	363	$tmp = fetch_file_contents($content_link->getAttribute("href"));
fd61fd6e	364
4d03c5c5 AD	365	//_debug("tmplen: " . mb_strlen($tmp));
	366
	367	if ($tmp && mb_strlen($tmp) < 65535 * 4) {
	368
6475fc7e	369	$r = new Readability($tmp, $content_link->getAttribute("href"));
fd61fd6e	370
6475fc7e	371	if ($r->init()) {
b90c4468	372
6475fc7e	373	$tmpxpath = new DOMXPath($r->dom);
b90c4468	374
6475fc7e	375	$entries = $tmpxpath->query('(//a[@href]\|//img[@src])');
6322fc68	376
6475fc7e AD	377	foreach ($entries as $entry) {
	378	if ($entry->hasAttribute("href")) {
	379	$entry->setAttribute("href",
	380	rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
	381
	382	}
b90c4468	383
6475fc7e AD	384	if ($entry->hasAttribute("src")) {
	385	$entry->setAttribute("src",
	386	rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
cc85704f	387
6475fc7e	388	}
6322fc68	389
6475fc7e AD	390	}
	391
	392	$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
	393
47888b3d AD	394	// prob not a very good idea (breaks wikipedia pages, etc) -
47888b3d AD	395	// inliner currently is not really fit for any random web content
6475fc7e	396
47888b3d AD	397	//$doc = new DOMDocument();
	398	//@$doc->loadHTML($article["content"]);
	399	//$xpath = new DOMXPath($doc);
	400	//$found = $this->inline_stuff($article, $doc, $xpath);
6475fc7e	401	}
6322fc68	402	}
a16d7a5d	403	}
cc85704f	404	}
6322fc68 AD	405
	406	}
	407
	408	$node = $doc->getElementsByTagName('body')->item(0);
	409
	410	if ($node && $found) {
	411	$article["content"] = $doc->saveXML($node);
	412	}
cc85704f AD	413	}
	414
	415	return $article;
	416	}
106a3de9 AD	417
	418	function api_version() {
	419	return 2;
	420	}
	421
ec482d28 AD	422	private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) {
	423
	424	_debug("handle_as_video: $source_stream", $debug);
5d429910 AD	425
	426	$video = $doc->createElement('video');
	427	$video->setAttribute("autoplay", "1");
5dcc7bf1	428	$video->setAttribute("controls", "1");
5d429910 AD	429	$video->setAttribute("loop", "1");
5d429910 AD	430
b8887ebb AD	431	if ($poster_url) $video->setAttribute("poster", $poster_url);
b8887ebb AD	432
5d429910 AD	433	$source = $doc->createElement('source');
	434	$source->setAttribute("src", $source_stream);
	435	$source->setAttribute("type", "video/mp4");
	436
	437	$video->appendChild($source);
	438
	439	$br = $doc->createElement('br');
	440	$entry->parentNode->insertBefore($video, $entry);
	441	$entry->parentNode->insertBefore($br, $entry);
	442
	443	$img = $doc->createElement('img');
	444	$img->setAttribute("src",
	445	"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
	446
	447	$entry->parentNode->insertBefore($img, $entry);
	448	}
ec482d28 AD	449
	450	function testurl() {
	451	$url = htmlspecialchars($_REQUEST["url"]);
	452
	453	header("Content-type: text/plain");
	454
	455	print "URL: $url\n";
	456
	457	$doc = new DOMDocument();
	458	@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
	459	$xpath = new DOMXPath($doc);
	460
	461	print "Inline result: " . $this->inline_stuff([], $doc, $xpath, true) . "\n";
	462
	463	print "\nResulting HTML:\n";
	464
	465	print $doc->saveHTML();
	466
	467	}
cc85704f AD	468	}
cc85704f AD	469	?>