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1ff7ae42 AD |
1 | <?php |
2 | class Af_Readability extends Plugin { | |
3 | ||
0f4487d3 | 4 | /* @var PluginHost $host */ |
1ff7ae42 AD |
5 | private $host; |
6 | ||
7 | function about() { | |
8 | return array(1.0, | |
9 | "Try to inline article content using Readability", | |
10 | "fox"); | |
11 | } | |
12 | ||
41245888 AD |
13 | function flags() { |
14 | return array("needs_curl" => true); | |
15 | } | |
16 | ||
1ff7ae42 | 17 | function save() { |
da9ea57d | 18 | $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]); |
666cd333 AD |
19 | |
20 | $this->host->set($this, "enable_share_anything", $enable_share_anything); | |
21 | ||
22 | echo __("Data saved."); | |
1ff7ae42 AD |
23 | } |
24 | ||
25 | function init($host) | |
26 | { | |
27 | $this->host = $host; | |
28 | ||
29 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
30 | $host->add_hook($host::HOOK_PREFS_TAB, $this); | |
31 | $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this); | |
32 | $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this); | |
6dbd6585 AD |
33 | |
34 | $host->add_filter_action($this, "action_inline", __("Inline content")); | |
1ff7ae42 AD |
35 | } |
36 | ||
37 | function hook_prefs_tab($args) { | |
38 | if ($args != "prefFeeds") return; | |
39 | ||
dc8bd8a6 | 40 | print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Readability settings (af_readability)')."\">"; |
1ff7ae42 AD |
41 | |
42 | print_notice("Enable the plugin for specific feeds in the feed editor."); | |
43 | ||
666cd333 AD |
44 | print "<form dojoType=\"dijit.form.Form\">"; |
45 | ||
46 | print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\"> | |
47 | evt.preventDefault(); | |
48 | if (this.validate()) { | |
49 | console.log(dojo.objectToQuery(this.getValues())); | |
50 | new Ajax.Request('backend.php', { | |
51 | parameters: dojo.objectToQuery(this.getValues()), | |
52 | onComplete: function(transport) { | |
53 | notify_info(transport.responseText); | |
54 | } | |
55 | }); | |
56 | //this.reset(); | |
57 | } | |
58 | </script>"; | |
59 | ||
328118d1 AD |
60 | print_hidden("op", "pluginhandler"); |
61 | print_hidden("method", "save"); | |
62 | print_hidden("plugin", "af_readability"); | |
666cd333 AD |
63 | |
64 | $enable_share_anything = $this->host->get($this, "enable_share_anything"); | |
666cd333 | 65 | |
dc8bd8a6 AD |
66 | print_checkbox("enable_share_anything", $enable_share_anything); |
67 | print " <label for=\"enable_share_anything\">" . __("Use Readability for pages shared via bookmarklet.") . "</label>"; | |
666cd333 | 68 | |
dc8bd8a6 | 69 | print "<p>"; print_button("submit", __("Save")); |
666cd333 AD |
70 | print "</form>"; |
71 | ||
1ff7ae42 | 72 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); |
5d5f100f | 73 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); |
3e220fd1 TE |
74 | |
75 | $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds); | |
1ff7ae42 AD |
76 | $this->host->set($this, "enabled_feeds", $enabled_feeds); |
77 | ||
78 | if (count($enabled_feeds) > 0) { | |
79 | print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>"; | |
80 | ||
81 | print "<ul class=\"browseFeedList\" style=\"border-width : 1px\">"; | |
82 | foreach ($enabled_feeds as $f) { | |
83 | print "<li>" . | |
84 | "<img src='images/pub_set.png' | |
85 | style='vertical-align : middle'> <a href='#' | |
86 | onclick='editFeed($f)'>". | |
86a8351c | 87 | Feeds::getFeedTitle($f) . "</a></li>"; |
1ff7ae42 AD |
88 | } |
89 | print "</ul>"; | |
90 | } | |
91 | ||
92 | print "</div>"; | |
93 | } | |
94 | ||
95 | function hook_prefs_edit_feed($feed_id) { | |
96 | print "<div class=\"dlgSec\">".__("Readability")."</div>"; | |
97 | print "<div class=\"dlgSecCont\">"; | |
98 | ||
99 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
5d5f100f | 100 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); |
1ff7ae42 AD |
101 | |
102 | $key = array_search($feed_id, $enabled_feeds); | |
103 | $checked = $key !== FALSE ? "checked" : ""; | |
104 | ||
105 | print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"af_readability_enabled\" | |
106 | name=\"af_readability_enabled\" | |
107 | $checked> <label for=\"af_readability_enabled\">".__('Inline article content')."</label>"; | |
108 | ||
109 | print "</div>"; | |
110 | } | |
111 | ||
112 | function hook_prefs_save_feed($feed_id) { | |
113 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
114 | if (!is_array($enabled_feeds)) $enabled_feeds = array(); | |
115 | ||
da9ea57d | 116 | $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]); |
1ff7ae42 AD |
117 | $key = array_search($feed_id, $enabled_feeds); |
118 | ||
119 | if ($enable) { | |
120 | if ($key === FALSE) { | |
121 | array_push($enabled_feeds, $feed_id); | |
122 | } | |
123 | } else { | |
124 | if ($key !== FALSE) { | |
125 | unset($enabled_feeds[$key]); | |
126 | } | |
127 | } | |
128 | ||
129 | $this->host->set($this, "enabled_feeds", $enabled_feeds); | |
130 | } | |
131 | ||
21ce7d9e AD |
132 | /** |
133 | * @SuppressWarnings(PHPMD.UnusedFormalParameter) | |
134 | */ | |
6dbd6585 AD |
135 | function hook_article_filter_action($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 | ||
21ce7d9e | 153 | @curl_exec($ch); |
831129f6 AD |
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 | |
0f4487d3 AD |
239 | $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? AND owner_uid = ?"); |
240 | $sth->execute([$feed, $_SESSION['uid']]); | |
1ff7ae42 | 241 | |
0f4487d3 | 242 | if ($row = $sth->fetch()) { |
3e220fd1 | 243 | array_push($tmp, $feed); |
1ff7ae42 AD |
244 | } |
245 | } | |
246 | ||
247 | return $tmp; | |
248 | } | |
249 | ||
250 | } |