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[tt-rss.git] / plugins / af_redditimgur / init.php
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cc85704f 1<?php
0862a602 2class Af_RedditImgur extends Plugin {
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3 private $host;
4
d2a421e3 5 function about() {
7a866114 6 return array(1.0,
a95fb169 7 "Inline images (and other content) in Reddit RSS feeds",
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8 "fox");
9 }
10
d2a421e3 11 function init($host) {
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12 $this->host = $host;
13
14 $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
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15 $host->add_hook($host::HOOK_PREFS_TAB, $this);
16 }
17
18 function hook_prefs_tab($args) {
19 if ($args != "prefFeeds") return;
20
21 print "<div id=\"af_redditimgur_prefs\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_redditimgur settings')."\">";
22
23 $enable_readability = $this->host->get($this, "enable_readability");
24 $enable_readability_checked = $enable_readability ? "checked" : "";
25
26 print "<form dojoType=\"dijit.form.Form\">";
27
28 print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
29 evt.preventDefault();
30 if (this.validate()) {
31 console.log(dojo.objectToQuery(this.getValues()));
32 new Ajax.Request('backend.php', {
33 parameters: dojo.objectToQuery(this.getValues()),
34 onComplete: function(transport) {
35 notify_info(transport.responseText);
36 }
37 });
38 //this.reset();
39 }
40 </script>";
41
42 print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">";
43 print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
44 print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"af_redditimgur\">";
45
46 print "<h3>" . __("Global settings") . "</h3>";
47
48 print_notice("Uses Readability (full-text-rss) implementation by <a target='_blank' href='https://bitbucket.org/fivefilters/'>FiveFilters.org</a>");
49 print "<p/>";
50
51 print "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_readability\"
52 $enable_readability_checked name=\"enable_readability\">&nbsp;";
53
54 print "<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
55
56 print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
57 __("Save")."</button>";
58
59 print "</form>";
60
61 print "</div>";
62 }
63
64 function save() {
65 $enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true";
66
67 $this->host->set($this, "enable_readability", $enable_readability);
68
69 echo __("Configuration saved");
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70 }
71
72 function hook_article_filter($article) {
0b5ef30d 73
cc85704f 74 if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
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75 $doc = new DOMDocument();
76 @$doc->loadHTML($article["content"]);
cc85704f 77
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78 if ($doc) {
79 $xpath = new DOMXPath($doc);
80 $entries = $xpath->query('(//a[@href]|//img[@src])');
cc85704f 81
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82 $found = false;
83
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84 foreach ($entries as $entry) {
85 if ($entry->hasAttribute("href")) {
299aeb30 86
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87 $matches = array();
88
89 if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
90
91 $tmp = fetch_file_contents($entry->getAttribute("href"));
92
93 if ($tmp) {
94 $tmpdoc = new DOMDocument();
95 @$tmpdoc->loadHTML($tmp);
96
97 if ($tmpdoc) {
98 $tmpxpath = new DOMXPath($tmpdoc);
99 $source_meta = $tmpxpath->query("//meta[@property='og:video']")->item(0);
100
101 if ($source_meta) {
102 $source_stream = $source_meta->getAttribute("content");
103
104 if ($source_stream) {
105 $this->handle_as_video($doc, $entry, $source_stream);
106 $found = 1;
107 }
108 }
109 }
110 }
111
112 }
113
9875d717 114 if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
115
5d429910 116 /*$video = $doc->createElement('video');
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117 $video->setAttribute("autoplay", "1");
118 $video->setAttribute("loop", "1");
299aeb30 119
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120 $source = $doc->createElement('source');
121 $source->setAttribute("src", str_replace(".gifv", ".mp4", $entry->getAttribute("href")));
122 $source->setAttribute("type", "video/mp4");
299aeb30 123
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124 $video->appendChild($source);
125
126 $br = $doc->createElement('br');
127 $entry->parentNode->insertBefore($video, $entry);
128 $entry->parentNode->insertBefore($br, $entry);
129
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130 $img = $doc->createElement('img');
131 $img->setAttribute("src",
132 "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
133
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134 $entry->parentNode->insertBefore($img, $entry);*/
135
136 $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
137 $this->handle_as_video($doc, $entry, $source_stream);
98e20510 138
1ae46c50 139 $found = true;
299aeb30 140 }
9875d717 141
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142 $matches = array();
143 if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) ||
144 preg_match("/\/\/www\.youtube\.com\/watch?v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
145 preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
146
147 $vid_id = $matches[1];
148
149 $iframe = $doc->createElement("iframe");
150 $iframe->setAttribute("class", "youtube-player");
151 $iframe->setAttribute("type", "text/html");
152 $iframe->setAttribute("width", "640");
153 $iframe->setAttribute("height", "385");
154 $iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
155 $iframe->setAttribute("allowfullscreen", "1");
156 $iframe->setAttribute("frameborder", "0");
157
158 $br = $doc->createElement('br');
159 $entry->parentNode->insertBefore($iframe, $entry);
160 $entry->parentNode->insertBefore($br, $entry);
161
162 $found = true;
163 }
164
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165 if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
166 $img = $doc->createElement('img');
a16d7a5d 167 $img->setAttribute("src", $entry->getAttribute("href"));
cc85704f 168
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169 $br = $doc->createElement('br');
170 $entry->parentNode->insertBefore($img, $entry);
171 $entry->parentNode->insertBefore($br, $entry);
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172
173 $found = true;
174 }
175
176 // links to imgur pages
177 $matches = array();
248c5a6a 178 if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
ce7d5e87 179
1af9f54f 180 $token = $matches[2];
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181
182 $album_content = fetch_file_contents($entry->getAttribute("href"),
183 false, false, false, false, 10);
184
185 if ($album_content && $token) {
186 $adoc = new DOMDocument();
187 @$adoc->loadHTML($album_content);
188
189 if ($adoc) {
190 $axpath = new DOMXPath($adoc);
191 $aentries = $axpath->query('(//img[@src])');
192
193 foreach ($aentries as $aentry) {
e44ea762 194 if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
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195 $img = $doc->createElement('img');
196 $img->setAttribute("src", $aentry->getAttribute("src"));
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197
198 $br = $doc->createElement('br');
199
ce7d5e87 200 $entry->parentNode->insertBefore($img, $entry);
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201 $entry->parentNode->insertBefore($br, $entry);
202
ce7d5e87 203 $found = true;
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204
205 break;
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206 }
207 }
208 }
209 }
a16d7a5d 210 }
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211
212 // linked albums, ffs
09897321 213 if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
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214
215 $album_content = fetch_file_contents($entry->getAttribute("href"),
216 false, false, false, false, 10);
217
218 if ($album_content) {
219 $adoc = new DOMDocument();
220 @$adoc->loadHTML($album_content);
221
222 if ($adoc) {
223 $axpath = new DOMXPath($adoc);
47cdc58c 224 $aentries = $axpath->query("//meta[@property='og:image']");
98e20510 225 $urls = array();
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226
227 foreach ($aentries as $aentry) {
7ff4d1fa 228
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229 if (!in_array($aentry->getAttribute("content"), $urls)) {
230 $img = $doc->createElement('img');
231 $img->setAttribute("src", $aentry->getAttribute("content"));
232 $entry->parentNode->insertBefore($doc->createElement('br'), $entry);
7ff4d1fa 233
98e20510 234 $br = $doc->createElement('br');
7ff4d1fa 235
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236 $entry->parentNode->insertBefore($img, $entry);
237 $entry->parentNode->insertBefore($br, $entry);
238
239 array_push($urls, $aentry->getAttribute("content"));
240
241 $found = true;
242 }
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243 }
244 }
245 }
246 }
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247 }
248
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249 // remove tiny thumbnails
250 if ($entry->hasAttribute("src")) {
251 if ($entry->parentNode && $entry->parentNode->parentNode) {
252 $entry->parentNode->parentNode->removeChild($entry->parentNode);
253 }
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254 }
255 }
256
b90c4468 257 if (!$found && $this->host->get($this, "enable_readability") && mb_strlen(strip_tags($article["content"])) <= 150) {
1ff7ae42 258 if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php");
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259
260 $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
261
262 if ($content_link) {
263 $tmp = fetch_file_contents($content_link->getAttribute("href"));
264
265 if ($tmp) {
266 $r = new Readability($tmp, $content_link->getAttribute("href"));
267
268 if ($r->init()) {
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269 //$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
270
271 $tmpxpath = new DOMXPath($r->dom);
272
273 $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
274
275 foreach ($entries as $entry) {
276 if ($entry->hasAttribute("href")) {
277 $entry->setAttribute("href",
7975ace2 278 rewrite_relative_url($content_link, $entry->getAttribute("href")));
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279
280 }
b90c4468 281
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282 if ($entry->hasAttribute("src")) {
283 $entry->setAttribute("src",
7975ace2 284 rewrite_relative_url($content_link, $entry->getAttribute("src")));
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285
286 }
287
288 }
289
290 $article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
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291 }
292 }
293
294 }
295
296 }
297
a16d7a5d 298 $node = $doc->getElementsByTagName('body')->item(0);
cc85704f 299
ce7d5e87 300 if ($node && $found) {
cc38c8e5 301 $article["content"] = $doc->saveXML($node);
a16d7a5d 302 }
cc85704f 303 }
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304 }
305
306 return $article;
307 }
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308
309 function api_version() {
310 return 2;
311 }
312
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313 private function handle_as_video($doc, $entry, $source_stream) {
314
315 $video = $doc->createElement('video');
316 $video->setAttribute("autoplay", "1");
5dcc7bf1 317 $video->setAttribute("controls", "1");
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318 $video->setAttribute("loop", "1");
319
320 $source = $doc->createElement('source');
321 $source->setAttribute("src", $source_stream);
322 $source->setAttribute("type", "video/mp4");
323
324 $video->appendChild($source);
325
326 $br = $doc->createElement('br');
327 $entry->parentNode->insertBefore($video, $entry);
328 $entry->parentNode->insertBefore($br, $entry);
329
330 $img = $doc->createElement('img');
331 $img->setAttribute("src",
332 "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
333
334 $entry->parentNode->insertBefore($img, $entry);
335 }
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336}
337?>