[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('<?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;
							}
						}
					}
				}

				// 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
	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	if (preg_match("/^https?:\/\/twitter.com\/(.?)\/status\/(.)/", $entry->getAttribute("href"), $matches)) {
	99	_debug("handling as twitter: " . $matches[1] . " " . $matches[2], $debug);
	100
	101	$oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href")));
	102
	103	if ($oembed_result) {
	104	$oembed_result = json_decode($oembed_result, true);
	105
	106	if ($oembed_result && isset($oembed_result["html"])) {
	107
	108	$tmp = new DOMDocument();
48007463	109	if ($tmp->loadHTML('<?xml encoding="utf-8" ?>' . $oembed_result["html"])) {
8788698b AD	110	$p = $doc->createElement("p");
	111
	112	$p->appendChild($doc->importNode(
	113	$tmp->getElementsByTagName("blockquote")->item(0), TRUE));
	114
	115	$br = $doc->createElement('br');
	116	$entry->parentNode->insertBefore($p, $entry);
	117	$entry->parentNode->insertBefore($br, $entry);
	118
	119	$found = 1;
	120	}
	121	}
	122	}
	123	}
	124
43db5b99	125	if (!$found && preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5f297a5c AD	126	$entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
	127	}
	128
43db5b99	129	if (!$found && preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
5d429910	130
ec482d28 AD	131	_debug("Handling as Gfycat", $debug);
ec482d28 AD	132
6322fc68	133	$tmp = fetch_file_contents($entry->getAttribute("href"));
5d429910	134
6322fc68 AD	135	if ($tmp) {
6322fc68 AD	136	$tmpdoc = new DOMDocument();
5d429910	137
58a44ecb	138	if (@$tmpdoc->loadHTML($tmp)) {
6322fc68	139	$tmpxpath = new DOMXPath($tmpdoc);
b8887ebb	140
46506d3f AD	141	$source_node = $tmpxpath->query("//video[contains(@class,'share-video')]//source[contains(@src, '.mp4')]")->item(0);
46506d3f AD	142	$poster_node = $tmpxpath->query("//video[contains(@class,'share-video') and @poster]")->item(0);
5d429910	143
46506d3f AD	144	if ($source_node && $poster_node) {
	145	$source_stream = $source_node->getAttribute("src");
	146	$poster_url = $poster_node->getAttribute("poster");
5d429910	147
46506d3f AD	148	$this->handle_as_video($doc, $entry, $source_stream, $poster_url);
46506d3f AD	149	$found = 1;
5d429910	150	}
6322fc68 AD	151	}
6322fc68 AD	152	}
6322fc68	153	}
98e20510	154
5f297a5c	155	// imgur .gif -> .gifv
43db5b99	156	if (!$found && preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
ec482d28 AD	157	_debug("Handling as imgur gif (->gifv)", $debug);
ec482d28 AD	158
5f297a5c AD	159	$entry->setAttribute("href",
	160	str_replace(".gif", ".gifv", $entry->getAttribute("href")));
	161	}
	162
8c395462	163	if (!$found && preg_match("/\.(gifv\|mp4)$/i", $entry->getAttribute("href"))) {
ec482d28	164	_debug("Handling as imgur gifv", $debug);
5d429910	165
6322fc68	166	$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
b8887ebb	167
49048482	168	if (strpos($source_stream, "imgur.com") !== FALSE)
b8887ebb AD	169	$poster_url = str_replace(".mp4", "h.jpg", $source_stream);
b8887ebb AD	170
ec482d28	171	$this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug);
98e20510	172
6322fc68 AD	173	$found = true;
6322fc68 AD	174	}
9875d717	175
6322fc68	176	$matches = array();
43db5b99	177	if (!$found && preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
0a361964 AD	178	preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
0a361964 AD	179	preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) \|\|
6322fc68	180	preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
3b9ca4e6	181
6322fc68	182	$vid_id = $matches[1];
3b9ca4e6	183
ec482d28 AD	184	_debug("Handling as youtube: $vid_id", $debug);
ec482d28 AD	185
6322fc68 AD	186	$iframe = $doc->createElement("iframe");
	187	$iframe->setAttribute("class", "youtube-player");
	188	$iframe->setAttribute("type", "text/html");
	189	$iframe->setAttribute("width", "640");
	190	$iframe->setAttribute("height", "385");
	191	$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
	192	$iframe->setAttribute("allowfullscreen", "1");
	193	$iframe->setAttribute("frameborder", "0");
3b9ca4e6	194
6322fc68 AD	195	$br = $doc->createElement('br');
	196	$entry->parentNode->insertBefore($iframe, $entry);
	197	$entry->parentNode->insertBefore($br, $entry);
3b9ca4e6	198
6322fc68 AD	199	$found = true;
6322fc68 AD	200	}
3b9ca4e6	201
43db5b99	202	if (!$found && preg_match("/\.(jpg\|jpeg\|gif\|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) \|\|
90e45935 AD	203	mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE \|\|
90e45935 AD	204	mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) {
eb95d1bd	205
ec482d28 AD	206	_debug("Handling as a picture", $debug);
ec482d28 AD	207
6322fc68 AD	208	$img = $doc->createElement('img');
6322fc68 AD	209	$img->setAttribute("src", $entry->getAttribute("href"));
cc85704f	210
6322fc68 AD	211	$br = $doc->createElement('br');
	212	$entry->parentNode->insertBefore($img, $entry);
	213	$entry->parentNode->insertBefore($br, $entry);
ce7d5e87	214
6322fc68 AD	215	$found = true;
6322fc68 AD	216	}
ce7d5e87	217
d4ac4fc6	218	// linked albums & pages
35055d05	219
43db5b99	220	if (!$found && preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) \|\|
8b2a52c6	221	preg_match("/^https?:\/\/(m\.)?imgur.com\/(a\|album\|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
35055d05	222
c80175bd	223	_debug("Handling as an imgur page/album/gallery", $debug);
ec482d28	224
6322fc68 AD	225	$album_content = fetch_file_contents($entry->getAttribute("href"),
6322fc68 AD	226	false, false, false, false, 10);
35055d05	227
6322fc68 AD	228	if ($album_content) {
6322fc68 AD	229	$adoc = new DOMDocument();
35055d05	230
58a44ecb	231	if (@$adoc->loadHTML($album_content)) {
6322fc68	232	$axpath = new DOMXPath($adoc);
ec482d28	233
a6fde6c9	234	$aentries = $axpath->query("(//div[@class='post-image']/img[@src] \| //a[@class='zoom']/img[@src] \| //div[@class='video-elements']/source)");
ec482d28 AD	235	$urls = [];
	236
	237	foreach ($aentries as $aentry) {
	238
	239	$url = $aentry->getAttribute("src");
	240
	241	if (!in_array($url, $urls)) {
ec482d28	242
a6fde6c9	243	if ($aentry->tagName == "img") {
ec482d28	244
a6fde6c9 AD	245	$img = $doc->createElement('img');
	246	$img->setAttribute("src", $url);
	247	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
	248
	249	$br = $doc->createElement('br');
	250
	251	$entry->parentNode->insertBefore($img, $entry);
	252	$entry->parentNode->insertBefore($br, $entry);
	253	} else if ($aentry->tagName == "source") {
	254
49048482	255	if (strpos($url, "imgur.com") !== FALSE)
a6fde6c9 AD	256	$poster_url = str_replace(".mp4", "h.jpg", $url);
	257	else
	258	$poster_url = "";
	259
	260	$this->handle_as_video($doc, $entry, $url, $poster_url);
	261
	262	}
ec482d28 AD	263
	264	array_push($urls, $url);
	265
	266	$found = true;
	267	}
	268
35055d05	269	}
ec482d28 AD	270
ec482d28 AD	271	if ($debug) print_r($urls);
cc85704f	272	}
cc85704f	273	}
6322fc68	274	}
58a44ecb AD	275
58a44ecb AD	276	// wtf is this even
43db5b99	277	if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
58a44ecb AD	278	$img_id = $matches[1];
58a44ecb AD	279
ec482d28 AD	280	_debug("handling as gyazo: $img_id", $debug);
ec482d28 AD	281
58a44ecb AD	282	$img = $doc->createElement('img');
	283	$img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
	284
	285	$br = $doc->createElement('br');
	286	$entry->parentNode->insertBefore($img, $entry);
	287	$entry->parentNode->insertBefore($br, $entry);
	288
	289	$found = true;
	290	}
6322fc68 AD	291	}
	292
	293	// remove tiny thumbnails
	294	if ($entry->hasAttribute("src")) {
	295	if ($entry->parentNode && $entry->parentNode->parentNode) {
	296	$entry->parentNode->parentNode->removeChild($entry->parentNode);
	297	}
	298	}
	299	}
cc85704f	300
6322fc68 AD	301	return $found;
6322fc68 AD	302	}
b90c4468	303
6322fc68	304	function hook_article_filter($article) {
b90c4468	305
6322fc68 AD	306	if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
	307	$doc = new DOMDocument();
	308	@$doc->loadHTML($article["content"]);
	309	$xpath = new DOMXPath($doc);
99bb8b3b	310
582ff3cf AD	311	$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
582ff3cf AD	312
891b77f9	313	if ($this->host->get($this, "enable_content_dupcheck")) {
902b1ac7	314
891b77f9 AD	315	if ($content_link) {
	316	$content_href = db_escape_string($content_link->getAttribute("href"));
	317	$entry_guid = db_escape_string($article["guid_hashed"]);
	318	$owner_uid = $article["owner_uid"];
902b1ac7	319
891b77f9 AD	320	if (DB_TYPE == "pgsql") {
	321	$interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
	322	} else {
	323	$interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
	324	}
902b1ac7	325
891b77f9 AD	326	$result = db_query("SELECT COUNT(id) AS cid
	327	FROM ttrss_entries, ttrss_user_entries WHERE
	328	ref_id = id AND
	329	$interval_qpart AND
	330	guid != '$entry_guid' AND
	331	owner_uid = '$owner_uid' AND
	332	content LIKE '%href=\"$content_href\">[link]%'");
902b1ac7	333
891b77f9 AD	334	if ($result) {
891b77f9 AD	335	$num_found = db_fetch_result($result, 0, "cid");
902b1ac7	336
891b77f9 AD	337	if ($num_found > 0) $article["force_catchup"] = true;
891b77f9 AD	338	}
902b1ac7	339	}
891b77f9	340	}
4f5204dd	341
4533b3ef	342	$found = $this->inline_stuff($article, $doc, $xpath);
b90c4468	343
6322fc68 AD	344	$node = $doc->getElementsByTagName('body')->item(0);
	345
	346	if ($node && $found) {
	347	$article["content"] = $doc->saveXML($node);
e487e92d AD	348	} else if ($content_link) {
e487e92d AD	349	$article = $this->readability($article, $content_link->getAttribute("href"), $doc, $xpath);
6322fc68	350	}
cc85704f AD	351	}
	352
	353	return $article;
	354	}
106a3de9 AD	355
	356	function api_version() {
	357	return 2;
	358	}
	359
ec482d28 AD	360	private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) {
	361
	362	_debug("handle_as_video: $source_stream", $debug);
5d429910 AD	363
	364	$video = $doc->createElement('video');
	365	$video->setAttribute("autoplay", "1");
5dcc7bf1	366	$video->setAttribute("controls", "1");
5d429910 AD	367	$video->setAttribute("loop", "1");
5d429910 AD	368
b8887ebb AD	369	if ($poster_url) $video->setAttribute("poster", $poster_url);
b8887ebb AD	370
5d429910 AD	371	$source = $doc->createElement('source');
	372	$source->setAttribute("src", $source_stream);
	373	$source->setAttribute("type", "video/mp4");
	374
	375	$video->appendChild($source);
	376
	377	$br = $doc->createElement('br');
	378	$entry->parentNode->insertBefore($video, $entry);
	379	$entry->parentNode->insertBefore($br, $entry);
	380
	381	$img = $doc->createElement('img');
	382	$img->setAttribute("src",
	383	"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
	384
	385	$entry->parentNode->insertBefore($img, $entry);
	386	}
ec482d28 AD	387
	388	function testurl() {
	389	$url = htmlspecialchars($_REQUEST["url"]);
	390
	391	header("Content-type: text/plain");
	392
	393	print "URL: $url\n";
	394
	395	$doc = new DOMDocument();
	396	@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
	397	$xpath = new DOMXPath($doc);
	398
e487e92d AD	399	$found = $this->inline_stuff([], $doc, $xpath, true);
	400
	401	print "Inline result: $found\n";
	402
	403	if (!$found) {
	404	print "\nReadability result:\n";
ec482d28	405
e487e92d	406	$article = $this->readability([], $url, $doc, $xpath, true);
ec482d28	407
e487e92d AD	408	print_r($article);
	409	} else {
	410	print "\nResulting HTML:\n";
ec482d28	411
e487e92d AD	412	print $doc->saveHTML();
e487e92d AD	413	}
ec482d28	414	}
90e45935 AD	415
	416	private function get_content_type($url, $useragent = SELF_USER_AGENT) {
	417	$content_type = false;
	418
	419	if (function_exists("curl_init") && !defined("NO_CURL")) {
	420	$ch = curl_init($url);
	421	curl_setopt($ch, CURLOPT_TIMEOUT, 5);
	422	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	423	curl_setopt($ch, CURLOPT_HEADER, true);
	424	curl_setopt($ch, CURLOPT_NOBODY, true);
	425	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
	426	curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
	427
	428	@$result = curl_exec($ch);
	429	$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
	430	}
	431
	432	return $content_type;
	433	}
e487e92d AD	434
	435	private function readability($article, $url, $doc, $xpath, $debug = false) {
	436
	437	if (!defined('NO_CURL') && function_exists("curl_init") && $this->host->get($this, "enable_readability") &&
	438	mb_strlen(strip_tags($article["content"])) <= 150) {
	439
	440	if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
	441
	442	if ($url &&
	443	strpos($url, "twitter.com") === FALSE &&
	444	strpos($url, "youtube.com") === FALSE &&
	445	strpos($url, "reddit.com") === FALSE) {
	446
	447	/* link may lead to a huge video file or whatever, we need to check content type before trying to
	448	parse it which p much requires curl */
	449
	450	$useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";
	451
	452	$content_type = $this->get_content_type($url, $useragent_compat);
	453
	454	if ($content_type && strpos($content_type, "text/html") !== FALSE) {
	455
	456	$tmp = fetch_file_contents(array("url" => $url,
	457	"useragent" => $useragent_compat));
	458
	459	if ($debug) _debug("tmplen: " . mb_strlen($tmp));
	460
	461	if ($tmp && mb_strlen($tmp) < 1024 * 500) {
	462
	463	$r = new Readability($tmp, $url);
	464
	465	if ($r->init()) {
	466
	467	$tmpxpath = new DOMXPath($r->dom);
	468
	469	$entries = $tmpxpath->query('(//a[@href]\|//img[@src])');
	470
	471	foreach ($entries as $entry) {
	472	if ($entry->hasAttribute("href")) {
	473	$entry->setAttribute("href",
	474	rewrite_relative_url($url, $entry->getAttribute("href")));
	475
	476	}
	477
	478	if ($entry->hasAttribute("src")) {
	479	$entry->setAttribute("src",
	480	rewrite_relative_url($url, $entry->getAttribute("src")));
	481
	482	}
	483
	484	}
	485
	486	$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
	487	}
	488	}
	489	}
	490	}
	491	}
	492
	493	return $article;
	494	}
cc85704f AD	495	}
cc85704f AD	496	?>