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

<?php
class Af_RedditImgur extends Plugin {
	private $host;

	function about() {
		return array(1.0,
			"Inline image links in Reddit RSS feeds",
			"fox");
	}

	function init($host) {
		$this->host = $host;

		$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
	}

	function hook_article_filter($article) {

		if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
				$doc = new DOMDocument();
				@$doc->loadHTML($article["content"]);

				if ($doc) {
					$xpath = new DOMXPath($doc);
					$entries = $xpath->query('(//a[@href]|//img[@src])');

					$found = false;

					foreach ($entries as $entry) {
						if ($entry->hasAttribute("href")) {
							                                                        
							if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {

                                                                $gifv_meta = fetch_file_contents($entry->getAttribute("href"),
                                                                        false, false, false, false, 10);

                                                                if ($gifv_meta) {
                                                                        $adoc = new DOMDocument();
                                                                        @$adoc->loadHTML($gifv_meta);

                                                                        if ($adoc) {
                                                                                $axpath = new DOMXPath($adoc);
                                                                                $aentries = $axpath->query('(//meta)');

                                                                                $width = false;
                                                                                $height = false;

                                                                                foreach ($aentries as $aentry) {
                                                                                        if (strpos($aentry->getAttribute("property"), "og:image:width") !== FALSE) {
                                                                                                $width = $aentry->getAttribute("content");
                                                                                        }
                                                                                        if (strpos($aentry->getAttribute("property"), "og:image:height") !== FALSE) {
                                                                                                $height = $aentry->getAttribute("content");
                                                                                        }
                                                                                }
                                                                        }
                                                                }

                                                       		if ($width && $height) {
                                                                
                                                                        $iframe = $doc->createElement('iframe');
                                                                        $iframe->setAttribute("src", str_replace("http:", "", $entry->getAttribute("href")));
                                                                        $iframe->setAttribute("frameborder", "0");
                                                                        $iframe->setAttribute("width", $width);
                                                                        $iframe->setAttribute("height", $height);

                                                                        $br = $doc->createElement('br');
                                                                        $entry->parentNode->insertBefore($iframe, $entry);
                                                                        $entry->parentNode->insertBefore($br, $entry);

                                                                        // add empty img tag to disable display of attachment
                                                                        $img = $doc->createElement('img');
                                                                        $img->setAttribute("src", "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
                                                                        $img->setAttribute("width", "0");
                                                                        $img->setAttribute("height", "0");
                                                                        $entry->parentNode->insertBefore($img, $entry);
                                                                        $found = true;
                                                                }
                                                        }

							if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9])?$/i", $entry->getAttribute("href"))) {

							 	$img = $doc->createElement('img');
								$img->setAttribute("src", $entry->getAttribute("href"));

								$br = $doc->createElement('br');
								$entry->parentNode->insertBefore($img, $entry);
								$entry->parentNode->insertBefore($br, $entry);

								$found = true;
							}

							// links to imgur pages
							$matches = array();
							if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {

								$token = $matches[2];

								$album_content = fetch_file_contents($entry->getAttribute("href"),
									false, false, false, false, 10);

								if ($album_content && $token) {
									$adoc = new DOMDocument();
									@$adoc->loadHTML($album_content);

									if ($adoc) {
										$axpath = new DOMXPath($adoc);
										$aentries = $axpath->query('(//img[@src])');

										foreach ($aentries as $aentry) {
											if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
												$img = $doc->createElement('img');
												$img->setAttribute("src", $aentry->getAttribute("src"));

												$br = $doc->createElement('br');

												$entry->parentNode->insertBefore($img, $entry);
												$entry->parentNode->insertBefore($br, $entry);

												$found = true;

												break;
											}
										}
									}
								}
							}

							// linked albums, ffs
							if (preg_match("/^https?:\/\/imgur.com\/(a|album)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {

								$album_content = fetch_file_contents($entry->getAttribute("href"),
									false, false, false, false, 10);

								if ($album_content) {
									$adoc = new DOMDocument();
									@$adoc->loadHTML($album_content);

									if ($adoc) {
										$axpath = new DOMXPath($adoc);
										$aentries = $axpath->query("//meta[@property='og:image']");

										foreach ($aentries as $aentry) {
											$img = $doc->createElement('img');
											$img->setAttribute("src", $aentry->getAttribute("content"));
											$entry->parentNode->insertBefore($doc->createElement('br'), $entry);

											$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);
							}
						}
					}

					$node = $doc->getElementsByTagName('body')->item(0);

					if ($node && $found) {
						$article["content"] = $doc->saveXML($node);
					}
				}
		}

		return $article;
	}

	function api_version() {
		return 2;
	}

}
?>
Commit	Line	Data
cc85704f	1	<?php
0862a602	2	class Af_RedditImgur extends Plugin {
19c73507 AD	3	private $host;
19c73507 AD	4
d2a421e3	5	function about() {
7a866114 AD	6	return array(1.0,
	7	"Inline image links in Reddit RSS feeds",
	8	"fox");
	9	}
	10
d2a421e3	11	function init($host) {
19c73507 AD	12	$this->host = $host;
	13
	14	$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
	15	}
	16
	17	function hook_article_filter($article) {
0b5ef30d	18
cc85704f	19	if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
a16d7a5d AD	20	$doc = new DOMDocument();
a16d7a5d AD	21	@$doc->loadHTML($article["content"]);
cc85704f	22
a16d7a5d AD	23	if ($doc) {
	24	$xpath = new DOMXPath($doc);
	25	$entries = $xpath->query('(//a[@href]\|//img[@src])');
cc85704f	26
ce7d5e87 AD	27	$found = false;
ce7d5e87 AD	28
a16d7a5d AD	29	foreach ($entries as $entry) {
a16d7a5d AD	30	if ($entry->hasAttribute("href")) {
9875d717	31
	32	if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
	33
	34	$gifv_meta = fetch_file_contents($entry->getAttribute("href"),
	35	false, false, false, false, 10);
	36
	37	if ($gifv_meta) {
	38	$adoc = new DOMDocument();
	39	@$adoc->loadHTML($gifv_meta);
	40
	41	if ($adoc) {
	42	$axpath = new DOMXPath($adoc);
	43	$aentries = $axpath->query('(//meta)');
	44
	45	$width = false;
	46	$height = false;
	47
	48	foreach ($aentries as $aentry) {
	49	if (strpos($aentry->getAttribute("property"), "og:image:width") !== FALSE) {
	50	$width = $aentry->getAttribute("content");
	51	}
	52	if (strpos($aentry->getAttribute("property"), "og:image:height") !== FALSE) {
	53	$height = $aentry->getAttribute("content");
	54	}
	55	}
	56	}
	57	}
	58
	59	if ($width && $height) {
	60
	61	$iframe = $doc->createElement('iframe');
	62	$iframe->setAttribute("src", str_replace("http:", "", $entry->getAttribute("href")));
	63	$iframe->setAttribute("frameborder", "0");
	64	$iframe->setAttribute("width", $width);
	65	$iframe->setAttribute("height", $height);
	66
	67	$br = $doc->createElement('br');
	68	$entry->parentNode->insertBefore($iframe, $entry);
	69	$entry->parentNode->insertBefore($br, $entry);
	70
	71	// add empty img tag to disable display of attachment
	72	$img = $doc->createElement('img');
	73	$img->setAttribute("src", "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
	74	$img->setAttribute("width", "0");
	75	$img->setAttribute("height", "0");
	76	$entry->parentNode->insertBefore($img, $entry);
	77	$found = true;
	78	}
	79	}
	80
7adf9556	81	if (preg_match("/\.(jpg\|jpeg\|gif\|png)(\?[0-9])?$/i", $entry->getAttribute("href"))) {
cc85704f	82
a16d7a5d AD	83	$img = $doc->createElement('img');
a16d7a5d AD	84	$img->setAttribute("src", $entry->getAttribute("href"));
cc85704f	85
7ff4d1fa AD	86	$br = $doc->createElement('br');
	87	$entry->parentNode->insertBefore($img, $entry);
	88	$entry->parentNode->insertBefore($br, $entry);
ce7d5e87 AD	89
	90	$found = true;
	91	}
	92
	93	// links to imgur pages
	94	$matches = array();
248c5a6a	95	if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
ce7d5e87	96
1af9f54f	97	$token = $matches[2];
ce7d5e87 AD	98
	99	$album_content = fetch_file_contents($entry->getAttribute("href"),
	100	false, false, false, false, 10);
	101
	102	if ($album_content && $token) {
	103	$adoc = new DOMDocument();
	104	@$adoc->loadHTML($album_content);
	105
	106	if ($adoc) {
	107	$axpath = new DOMXPath($adoc);
	108	$aentries = $axpath->query('(//img[@src])');
	109
	110	foreach ($aentries as $aentry) {
e44ea762	111	if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
ce7d5e87 AD	112	$img = $doc->createElement('img');
ce7d5e87 AD	113	$img->setAttribute("src", $aentry->getAttribute("src"));
7ff4d1fa AD	114
	115	$br = $doc->createElement('br');
	116
ce7d5e87	117	$entry->parentNode->insertBefore($img, $entry);
7ff4d1fa AD	118	$entry->parentNode->insertBefore($br, $entry);
7ff4d1fa AD	119
ce7d5e87	120	$found = true;
35055d05 AD	121
35055d05 AD	122	break;
ce7d5e87 AD	123	}
	124	}
	125	}
	126	}
a16d7a5d	127	}
35055d05 AD	128
35055d05 AD	129	// linked albums, ffs
47cdc58c	130	if (preg_match("/^https?:\/\/imgur.com\/(a\|album)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
35055d05 AD	131
	132	$album_content = fetch_file_contents($entry->getAttribute("href"),
	133	false, false, false, false, 10);
	134
	135	if ($album_content) {
	136	$adoc = new DOMDocument();
	137	@$adoc->loadHTML($album_content);
	138
	139	if ($adoc) {
	140	$axpath = new DOMXPath($adoc);
47cdc58c	141	$aentries = $axpath->query("//meta[@property='og:image']");
35055d05 AD	142
	143	foreach ($aentries as $aentry) {
	144	$img = $doc->createElement('img');
47cdc58c	145	$img->setAttribute("src", $aentry->getAttribute("content"));
0b5ef30d	146	$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
7ff4d1fa AD	147
	148	$br = $doc->createElement('br');
	149
35055d05	150	$entry->parentNode->insertBefore($img, $entry);
7ff4d1fa AD	151	$entry->parentNode->insertBefore($br, $entry);
7ff4d1fa AD	152
35055d05 AD	153	$found = true;
	154	}
	155	}
	156	}
	157	}
cc85704f AD	158	}
cc85704f AD	159
a16d7a5d AD	160	// remove tiny thumbnails
	161	if ($entry->hasAttribute("src")) {
	162	if ($entry->parentNode && $entry->parentNode->parentNode) {
	163	$entry->parentNode->parentNode->removeChild($entry->parentNode);
	164	}
cc85704f AD	165	}
	166	}
	167
a16d7a5d	168	$node = $doc->getElementsByTagName('body')->item(0);
cc85704f	169
ce7d5e87	170	if ($node && $found) {
cc38c8e5	171	$article["content"] = $doc->saveXML($node);
a16d7a5d	172	}
cc85704f	173	}
cc85704f AD	174	}
	175
	176	return $article;
	177	}
106a3de9 AD	178
	179	function api_version() {
	180	return 2;
	181	}
	182
cc85704f AD	183	}
cc85704f AD	184	?>