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1ff7ae42 AD |
1 | <?php |
2 | class Af_Readability extends Plugin { | |
3 | ||
4 | private $host; | |
5 | ||
6 | function about() { | |
7 | return array(1.0, | |
8 | "Try to inline article content using Readability", | |
9 | "fox"); | |
10 | } | |
11 | ||
41245888 AD |
12 | function flags() { |
13 | return array("needs_curl" => true); | |
14 | } | |
15 | ||
1ff7ae42 | 16 | function save() { |
666cd333 AD |
17 | $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]) == "true"; |
18 | ||
19 | $this->host->set($this, "enable_share_anything", $enable_share_anything); | |
20 | ||
21 | echo __("Data saved."); | |
1ff7ae42 AD |
22 | } |
23 | ||
24 | function init($host) | |
25 | { | |
26 | $this->host = $host; | |
27 | ||
28 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
29 | $host->add_hook($host::HOOK_PREFS_TAB, $this); | |
30 | $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this); | |
31 | $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this); | |
6dbd6585 AD |
32 | |
33 | $host->add_filter_action($this, "action_inline", __("Inline content")); | |
1ff7ae42 AD |
34 | } |
35 | ||
36 | function hook_prefs_tab($args) { | |
37 | if ($args != "prefFeeds") return; | |
38 | ||
39 | print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_readability settings')."\">"; | |
40 | ||
41 | print_notice("Enable the plugin for specific feeds in the feed editor."); | |
42 | ||
666cd333 AD |
43 | print "<form dojoType=\"dijit.form.Form\">"; |
44 | ||
45 | print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\"> | |
46 | evt.preventDefault(); | |
47 | if (this.validate()) { | |
48 | console.log(dojo.objectToQuery(this.getValues())); | |
49 | new Ajax.Request('backend.php', { | |
50 | parameters: dojo.objectToQuery(this.getValues()), | |
51 | onComplete: function(transport) { | |
52 | notify_info(transport.responseText); | |
53 | } | |
54 | }); | |
55 | //this.reset(); | |
56 | } | |
57 | </script>"; | |
58 | ||
328118d1 AD |
59 | print_hidden("op", "pluginhandler"); |
60 | print_hidden("method", "save"); | |
61 | print_hidden("plugin", "af_readability"); | |
666cd333 AD |
62 | |
63 | $enable_share_anything = $this->host->get($this, "enable_share_anything"); | |
64 | $enable_share_anything_checked = $enable_share_anything ? "checked" : ""; | |
65 | ||
66 | print "<input dojoType=\"dijit.form.CheckBox\" | |
67 | $enable_share_anything_checked name=\"enable_share_anything\" id=\"enable_share_anything\"> | |
68 | <label for=\"enable_share_anything\">" . __("Use Readability for pages shared via bookmarklet.") . "</label>"; | |
69 | ||
70 | print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">". | |
71 | __("Save")."</button>"; | |
72 | ||
73 | print "</form>"; | |
74 | ||
1ff7ae42 | 75 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); |
5d5f100f | 76 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); |
3e220fd1 TE |
77 | |
78 | $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds); | |
1ff7ae42 AD |
79 | $this->host->set($this, "enabled_feeds", $enabled_feeds); |
80 | ||
81 | if (count($enabled_feeds) > 0) { | |
82 | print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>"; | |
83 | ||
84 | print "<ul class=\"browseFeedList\" style=\"border-width : 1px\">"; | |
85 | foreach ($enabled_feeds as $f) { | |
86 | print "<li>" . | |
87 | "<img src='images/pub_set.png' | |
88 | style='vertical-align : middle'> <a href='#' | |
89 | onclick='editFeed($f)'>". | |
90 | getFeedTitle($f) . "</a></li>"; | |
91 | } | |
92 | print "</ul>"; | |
93 | } | |
94 | ||
95 | print "</div>"; | |
96 | } | |
97 | ||
98 | function hook_prefs_edit_feed($feed_id) { | |
99 | print "<div class=\"dlgSec\">".__("Readability")."</div>"; | |
100 | print "<div class=\"dlgSecCont\">"; | |
101 | ||
102 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
5d5f100f | 103 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); |
1ff7ae42 AD |
104 | |
105 | $key = array_search($feed_id, $enabled_feeds); | |
106 | $checked = $key !== FALSE ? "checked" : ""; | |
107 | ||
108 | print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"af_readability_enabled\" | |
109 | name=\"af_readability_enabled\" | |
110 | $checked> <label for=\"af_readability_enabled\">".__('Inline article content')."</label>"; | |
111 | ||
112 | print "</div>"; | |
113 | } | |
114 | ||
115 | function hook_prefs_save_feed($feed_id) { | |
116 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
117 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); | |
118 | ||
119 | $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]) == 'true'; | |
120 | $key = array_search($feed_id, $enabled_feeds); | |
121 | ||
122 | if ($enable) { | |
123 | if ($key === FALSE) { | |
124 | array_push($enabled_feeds, $feed_id); | |
125 | } | |
126 | } else { | |
127 | if ($key !== FALSE) { | |
128 | unset($enabled_feeds[$key]); | |
129 | } | |
130 | } | |
131 | ||
132 | $this->host->set($this, "enabled_feeds", $enabled_feeds); | |
133 | } | |
134 | ||
6dbd6585 AD |
135 | function hook_article_filter_action($article, $action) { |
136 | return $this->process_article($article); | |
137 | } | |
1ff7ae42 | 138 | |
666cd333 | 139 | public function extract_content($url) { |
8b08d9d7 | 140 | if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php"); |
1ff7ae42 | 141 | |
aa03bac4 AD |
142 | if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) { |
143 | ||
666cd333 | 144 | $ch = curl_init($url); |
aa03bac4 | 145 | |
831129f6 AD |
146 | curl_setopt($ch, CURLOPT_TIMEOUT, 5); |
147 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
148 | curl_setopt($ch, CURLOPT_HEADER, true); | |
149 | curl_setopt($ch, CURLOPT_NOBODY, true); | |
aa03bac4 | 150 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
831129f6 AD |
151 | curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); |
152 | ||
153 | @$result = curl_exec($ch); | |
154 | $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); | |
155 | ||
156 | if (strpos($content_type, "text/html") === FALSE) | |
666cd333 | 157 | return false; |
831129f6 AD |
158 | } |
159 | ||
666cd333 | 160 | $tmp = fetch_file_contents($url); |
1ff7ae42 | 161 | |
e487e92d | 162 | if ($tmp && mb_strlen($tmp) < 1024 * 500) { |
b7d1306b | 163 | $tmpdoc = new DOMDocument("1.0", "UTF-8"); |
831129f6 | 164 | |
f45a1152 | 165 | if (!$tmpdoc->loadHTML('<?xml encoding="utf-8" ?>\n' . $tmp)) |
666cd333 | 166 | return false; |
b7d1306b | 167 | |
37b2bca9 | 168 | if (strtolower($tmpdoc->encoding) != 'utf-8') { |
b7d1306b AD |
169 | $tmpxpath = new DOMXPath($tmpdoc); |
170 | ||
171 | foreach ($tmpxpath->query("//meta") as $elem) { | |
172 | $elem->parentNode->removeChild($elem); | |
173 | } | |
174 | ||
175 | $tmp = $tmpdoc->saveHTML(); | |
176 | } | |
177 | ||
666cd333 | 178 | $r = new Readability($tmp, $url); |
1ff7ae42 AD |
179 | |
180 | if ($r->init()) { | |
fd61fd6e AD |
181 | $tmpxpath = new DOMXPath($r->dom); |
182 | ||
183 | $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); | |
184 | ||
185 | foreach ($entries as $entry) { | |
186 | if ($entry->hasAttribute("href")) { | |
187 | $entry->setAttribute("href", | |
666cd333 | 188 | rewrite_relative_url($url, $entry->getAttribute("href"))); |
fd61fd6e AD |
189 | |
190 | } | |
191 | ||
192 | if ($entry->hasAttribute("src")) { | |
193 | $entry->setAttribute("src", | |
666cd333 | 194 | rewrite_relative_url($url, $entry->getAttribute("src"))); |
fd61fd6e AD |
195 | |
196 | } | |
197 | ||
198 | } | |
199 | ||
666cd333 | 200 | return $r->articleContent->innerHTML; |
1ff7ae42 AD |
201 | } |
202 | } | |
203 | ||
666cd333 AD |
204 | return false; |
205 | } | |
206 | ||
207 | function process_article($article) { | |
208 | ||
209 | $extracted_content = $this->extract_content($article["link"]); | |
210 | ||
211 | if ($extracted_content) { | |
212 | $article["content"] = $extracted_content; | |
213 | } | |
214 | ||
1ff7ae42 | 215 | return $article; |
6dbd6585 AD |
216 | } |
217 | ||
218 | function hook_article_filter($article) { | |
219 | ||
220 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
5d5f100f TE |
221 | if (!is_array($enabled_feeds)) return $article; |
222 | ||
6dbd6585 AD |
223 | $key = array_search($article["feed"]["id"], $enabled_feeds); |
224 | if ($key === FALSE) return $article; | |
225 | ||
226 | return $this->process_article($article); | |
1ff7ae42 AD |
227 | |
228 | } | |
229 | ||
230 | function api_version() { | |
231 | return 2; | |
232 | } | |
233 | ||
234 | private function filter_unknown_feeds($enabled_feeds) { | |
235 | $tmp = array(); | |
236 | ||
3e220fd1 | 237 | foreach ($enabled_feeds as $feed) { |
1ff7ae42 | 238 | |
3e220fd1 | 239 | $result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]); |
1ff7ae42 | 240 | |
3e220fd1 TE |
241 | if (db_num_rows($result) != 0) { |
242 | array_push($tmp, $feed); | |
1ff7ae42 AD |
243 | } |
244 | } | |
245 | ||
246 | return $tmp; | |
247 | } | |
248 | ||
249 | } | |
250 | ?> |