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1 | <?php | |
2 | class Af_RedditImgur extends Plugin { | |
3 | private $host; | |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
7 | "Inline images (and other content) in Reddit RSS feeds", | |
8 | "fox"); | |
9 | } | |
10 | ||
11 | function init($host) { | |
12 | $this->host = $host; | |
13 | ||
14 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
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\"> "; | |
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", $enable_readability); | |
68 | ||
69 | echo __("Configuration saved"); | |
70 | } | |
71 | ||
72 | private function inline_stuff($article, &$doc, $xpath) { | |
73 | ||
74 | $entries = $xpath->query('(//a[@href]|//img[@src])'); | |
75 | ||
76 | $found = false; | |
77 | ||
78 | foreach ($entries as $entry) { | |
79 | if ($entry->hasAttribute("href")) { | |
80 | ||
81 | $matches = array(); | |
82 | ||
83 | if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) { | |
84 | ||
85 | $tmp = fetch_file_contents($entry->getAttribute("href")); | |
86 | ||
87 | if ($tmp) { | |
88 | $tmpdoc = new DOMDocument(); | |
89 | @$tmpdoc->loadHTML($tmp); | |
90 | ||
91 | if ($tmpdoc) { | |
92 | $tmpxpath = new DOMXPath($tmpdoc); | |
93 | $source_meta = $tmpxpath->query("//meta[@property='og:video']")->item(0); | |
94 | ||
95 | if ($source_meta) { | |
96 | $source_stream = $source_meta->getAttribute("content"); | |
97 | ||
98 | if ($source_stream) { | |
99 | $this->handle_as_video($doc, $entry, $source_stream); | |
100 | $found = 1; | |
101 | } | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | } | |
107 | ||
108 | if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) { | |
109 | ||
110 | $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href")); | |
111 | $this->handle_as_video($doc, $entry, $source_stream); | |
112 | ||
113 | $found = true; | |
114 | } | |
115 | ||
116 | $matches = array(); | |
117 | if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) || | |
118 | preg_match("/\/\/www\.youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) || | |
119 | preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) { | |
120 | ||
121 | $vid_id = $matches[1]; | |
122 | ||
123 | $iframe = $doc->createElement("iframe"); | |
124 | $iframe->setAttribute("class", "youtube-player"); | |
125 | $iframe->setAttribute("type", "text/html"); | |
126 | $iframe->setAttribute("width", "640"); | |
127 | $iframe->setAttribute("height", "385"); | |
128 | $iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id"); | |
129 | $iframe->setAttribute("allowfullscreen", "1"); | |
130 | $iframe->setAttribute("frameborder", "0"); | |
131 | ||
132 | $br = $doc->createElement('br'); | |
133 | $entry->parentNode->insertBefore($iframe, $entry); | |
134 | $entry->parentNode->insertBefore($br, $entry); | |
135 | ||
136 | $found = true; | |
137 | } | |
138 | ||
139 | if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) { | |
140 | $img = $doc->createElement('img'); | |
141 | $img->setAttribute("src", $entry->getAttribute("href")); | |
142 | ||
143 | $br = $doc->createElement('br'); | |
144 | $entry->parentNode->insertBefore($img, $entry); | |
145 | $entry->parentNode->insertBefore($br, $entry); | |
146 | ||
147 | $found = true; | |
148 | } | |
149 | ||
150 | // links to imgur pages | |
151 | $matches = array(); | |
152 | if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) { | |
153 | ||
154 | $token = $matches[2]; | |
155 | ||
156 | $album_content = fetch_file_contents($entry->getAttribute("href"), | |
157 | false, false, false, false, 10); | |
158 | ||
159 | if ($album_content && $token) { | |
160 | $adoc = new DOMDocument(); | |
161 | @$adoc->loadHTML($album_content); | |
162 | ||
163 | if ($adoc) { | |
164 | $axpath = new DOMXPath($adoc); | |
165 | $aentries = $axpath->query('(//img[@src])'); | |
166 | ||
167 | foreach ($aentries as $aentry) { | |
168 | if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) { | |
169 | $img = $doc->createElement('img'); | |
170 | $img->setAttribute("src", $aentry->getAttribute("src")); | |
171 | ||
172 | $br = $doc->createElement('br'); | |
173 | ||
174 | $entry->parentNode->insertBefore($img, $entry); | |
175 | $entry->parentNode->insertBefore($br, $entry); | |
176 | ||
177 | $found = true; | |
178 | ||
179 | break; | |
180 | } | |
181 | } | |
182 | } | |
183 | } | |
184 | } | |
185 | ||
186 | // linked albums, ffs | |
187 | if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) { | |
188 | ||
189 | $album_content = fetch_file_contents($entry->getAttribute("href"), | |
190 | false, false, false, false, 10); | |
191 | ||
192 | if ($album_content) { | |
193 | $adoc = new DOMDocument(); | |
194 | @$adoc->loadHTML($album_content); | |
195 | ||
196 | if ($adoc) { | |
197 | $axpath = new DOMXPath($adoc); | |
198 | $aentries = $axpath->query("//meta[@property='og:image']"); | |
199 | $urls = array(); | |
200 | ||
201 | foreach ($aentries as $aentry) { | |
202 | ||
203 | if (!in_array($aentry->getAttribute("content"), $urls)) { | |
204 | $img = $doc->createElement('img'); | |
205 | $img->setAttribute("src", $aentry->getAttribute("content")); | |
206 | $entry->parentNode->insertBefore($doc->createElement('br'), $entry); | |
207 | ||
208 | $br = $doc->createElement('br'); | |
209 | ||
210 | $entry->parentNode->insertBefore($img, $entry); | |
211 | $entry->parentNode->insertBefore($br, $entry); | |
212 | ||
213 | array_push($urls, $aentry->getAttribute("content")); | |
214 | ||
215 | $found = true; | |
216 | } | |
217 | } | |
218 | } | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | // remove tiny thumbnails | |
224 | if ($entry->hasAttribute("src")) { | |
225 | if ($entry->parentNode && $entry->parentNode->parentNode) { | |
226 | $entry->parentNode->parentNode->removeChild($entry->parentNode); | |
227 | } | |
228 | } | |
229 | } | |
230 | ||
231 | return $found; | |
232 | } | |
233 | ||
234 | function hook_article_filter($article) { | |
235 | ||
236 | if (strpos($article["link"], "reddit.com/r/") !== FALSE) { | |
237 | $doc = new DOMDocument(); | |
238 | @$doc->loadHTML($article["content"]); | |
239 | $xpath = new DOMXPath($doc); | |
240 | ||
241 | $found = $this->inline_stuff($article, $doc, $xpath); | |
242 | ||
243 | if (function_exists("curl_init") && !$found && $this->host->get($this, "enable_readability") && | |
244 | mb_strlen(strip_tags($article["content"])) <= 150) { | |
245 | ||
246 | if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php"); | |
247 | ||
248 | $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0); | |
249 | ||
250 | if ($content_link && strpos($content_link->getAttribute("href"), "reddit.com") === FALSE) { | |
251 | ||
252 | /* link may lead to a huge video file or whatever, we need to check content type before trying to | |
253 | parse it which p much requires curl */ | |
254 | ||
255 | $ch = curl_init($content_link->getAttribute("href")); | |
256 | curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |
257 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
258 | curl_setopt($ch, CURLOPT_HEADER, true); | |
259 | curl_setopt($ch, CURLOPT_NOBODY, true); | |
260 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, | |
261 | !ini_get("safe_mode") && !ini_get("open_basedir")); | |
262 | curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); | |
263 | ||
264 | @$result = curl_exec($ch); | |
265 | $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); | |
266 | ||
267 | if ($content_type && strpos($content_type, "text/html") !== FALSE) { | |
268 | ||
269 | $tmp = fetch_file_contents($content_link->getAttribute("href")); | |
270 | ||
271 | if ($tmp) { | |
272 | $r = new Readability($tmp, $content_link->getAttribute("href")); | |
273 | ||
274 | if ($r->init()) { | |
275 | //$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"]; | |
276 | ||
277 | $tmpxpath = new DOMXPath($r->dom); | |
278 | ||
279 | $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); | |
280 | ||
281 | foreach ($entries as $entry) { | |
282 | if ($entry->hasAttribute("href")) { | |
283 | $entry->setAttribute("href", | |
284 | rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href"))); | |
285 | ||
286 | } | |
287 | ||
288 | if ($entry->hasAttribute("src")) { | |
289 | $entry->setAttribute("src", | |
290 | rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src"))); | |
291 | ||
292 | } | |
293 | ||
294 | } | |
295 | ||
296 | $article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"]; | |
297 | ||
298 | $doc = new DOMDocument(); | |
299 | @$doc->loadHTML($article["content"]); | |
300 | $xpath = new DOMXPath($doc); | |
301 | ||
302 | $found = $this->inline_stuff($article, $doc, $xpath); | |
303 | } | |
304 | } | |
305 | } | |
306 | } | |
307 | ||
308 | } | |
309 | ||
310 | $node = $doc->getElementsByTagName('body')->item(0); | |
311 | ||
312 | if ($node && $found) { | |
313 | $article["content"] = $doc->saveXML($node); | |
314 | } | |
315 | } | |
316 | ||
317 | return $article; | |
318 | } | |
319 | ||
320 | function api_version() { | |
321 | return 2; | |
322 | } | |
323 | ||
324 | private function handle_as_video($doc, $entry, $source_stream) { | |
325 | ||
326 | $video = $doc->createElement('video'); | |
327 | $video->setAttribute("autoplay", "1"); | |
328 | $video->setAttribute("controls", "1"); | |
329 | $video->setAttribute("loop", "1"); | |
330 | ||
331 | $source = $doc->createElement('source'); | |
332 | $source->setAttribute("src", $source_stream); | |
333 | $source->setAttribute("type", "video/mp4"); | |
334 | ||
335 | $video->appendChild($source); | |
336 | ||
337 | $br = $doc->createElement('br'); | |
338 | $entry->parentNode->insertBefore($video, $entry); | |
339 | $entry->parentNode->insertBefore($br, $entry); | |
340 | ||
341 | $img = $doc->createElement('img'); | |
342 | $img->setAttribute("src", | |
343 | "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D"); | |
344 | ||
345 | $entry->parentNode->insertBefore($img, $entry); | |
346 | } | |
347 | } | |
348 | ?> |