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Commit | Line | Data |
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1ff7ae42 | 1 | <?php |
2aaefbfa AD |
2 | use andreskrey\Readability\Readability; |
3 | use andreskrey\Readability\Configuration; | |
4 | ||
1ff7ae42 AD |
5 | class Af_Readability extends Plugin { |
6 | ||
0f4487d3 | 7 | /* @var PluginHost $host */ |
1ff7ae42 AD |
8 | private $host; |
9 | ||
10 | function about() { | |
11 | return array(1.0, | |
12 | "Try to inline article content using Readability", | |
13 | "fox"); | |
14 | } | |
15 | ||
41245888 AD |
16 | function flags() { |
17 | return array("needs_curl" => true); | |
18 | } | |
19 | ||
1ff7ae42 | 20 | function save() { |
da9ea57d | 21 | $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]); |
666cd333 AD |
22 | |
23 | $this->host->set($this, "enable_share_anything", $enable_share_anything); | |
24 | ||
25 | echo __("Data saved."); | |
1ff7ae42 AD |
26 | } |
27 | ||
28 | function init($host) | |
29 | { | |
30 | $this->host = $host; | |
31 | ||
32 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
33 | $host->add_hook($host::HOOK_PREFS_TAB, $this); | |
34 | $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this); | |
35 | $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this); | |
6dbd6585 AD |
36 | |
37 | $host->add_filter_action($this, "action_inline", __("Inline content")); | |
1ff7ae42 AD |
38 | } |
39 | ||
40 | function hook_prefs_tab($args) { | |
41 | if ($args != "prefFeeds") return; | |
42 | ||
dc8bd8a6 | 43 | print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Readability settings (af_readability)')."\">"; |
1ff7ae42 AD |
44 | |
45 | print_notice("Enable the plugin for specific feeds in the feed editor."); | |
46 | ||
666cd333 AD |
47 | print "<form dojoType=\"dijit.form.Form\">"; |
48 | ||
49 | print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\"> | |
50 | evt.preventDefault(); | |
51 | if (this.validate()) { | |
52 | console.log(dojo.objectToQuery(this.getValues())); | |
53 | new Ajax.Request('backend.php', { | |
54 | parameters: dojo.objectToQuery(this.getValues()), | |
55 | onComplete: function(transport) { | |
56 | notify_info(transport.responseText); | |
57 | } | |
58 | }); | |
59 | //this.reset(); | |
60 | } | |
61 | </script>"; | |
62 | ||
328118d1 AD |
63 | print_hidden("op", "pluginhandler"); |
64 | print_hidden("method", "save"); | |
65 | print_hidden("plugin", "af_readability"); | |
666cd333 AD |
66 | |
67 | $enable_share_anything = $this->host->get($this, "enable_share_anything"); | |
666cd333 | 68 | |
dc8bd8a6 AD |
69 | print_checkbox("enable_share_anything", $enable_share_anything); |
70 | print " <label for=\"enable_share_anything\">" . __("Use Readability for pages shared via bookmarklet.") . "</label>"; | |
666cd333 | 71 | |
dc8bd8a6 | 72 | print "<p>"; print_button("submit", __("Save")); |
666cd333 AD |
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)'>". | |
86a8351c | 90 | Feeds::getFeedTitle($f) . "</a></li>"; |
1ff7ae42 AD |
91 | } |
92 | print "</ul>"; | |
93 | } | |
94 | ||
95 | print "</div>"; | |
96 | } | |
97 | ||
98 | function hook_prefs_edit_feed($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 | ||
da9ea57d | 119 | $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]); |
1ff7ae42 AD |
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", $enabled_feeds); | |
133 | } | |
134 | ||
21ce7d9e AD |
135 | /** |
136 | * @SuppressWarnings(PHPMD.UnusedFormalParameter) | |
137 | */ | |
6dbd6585 AD |
138 | function hook_article_filter_action($article, $action) { |
139 | return $this->process_article($article); | |
140 | } | |
1ff7ae42 | 141 | |
666cd333 | 142 | public function extract_content($url) { |
e26cb061 | 143 | global $fetch_effective_url; |
831129f6 | 144 | |
e26cb061 | 145 | if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php"); |
831129f6 | 146 | |
b037ffd6 AD |
147 | $tmp = fetch_file_contents([ |
148 | "url" => $url, | |
149 | "http_accept" => "text/*", | |
150 | "type" => "text/html"]); | |
1ff7ae42 | 151 | |
e487e92d | 152 | if ($tmp && mb_strlen($tmp) < 1024 * 500) { |
b7d1306b | 153 | $tmpdoc = new DOMDocument("1.0", "UTF-8"); |
831129f6 | 154 | |
f45a1152 | 155 | if (!$tmpdoc->loadHTML('<?xml encoding="utf-8" ?>\n' . $tmp)) |
666cd333 | 156 | return false; |
b7d1306b | 157 | |
37b2bca9 | 158 | if (strtolower($tmpdoc->encoding) != 'utf-8') { |
b7d1306b AD |
159 | $tmpxpath = new DOMXPath($tmpdoc); |
160 | ||
161 | foreach ($tmpxpath->query("//meta") as $elem) { | |
162 | $elem->parentNode->removeChild($elem); | |
163 | } | |
164 | ||
165 | $tmp = $tmpdoc->saveHTML(); | |
166 | } | |
167 | ||
2aaefbfa | 168 | $r = new Readability(new Configuration()); |
1ff7ae42 | 169 | |
2aaefbfa AD |
170 | try { |
171 | if ($r->parse($tmp)) { | |
fd61fd6e | 172 | |
2aaefbfa AD |
173 | $tmpxpath = new DOMXPath($r->getDOMDOcument()); |
174 | $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); | |
fd61fd6e | 175 | |
2aaefbfa AD |
176 | foreach ($entries as $entry) { |
177 | if ($entry->hasAttribute("href")) { | |
178 | $entry->setAttribute("href", | |
179 | rewrite_relative_url($fetch_effective_url, $entry->getAttribute("href"))); | |
fd61fd6e | 180 | |
2aaefbfa | 181 | } |
fd61fd6e | 182 | |
2aaefbfa AD |
183 | if ($entry->hasAttribute("src")) { |
184 | $entry->setAttribute("src", | |
185 | rewrite_relative_url($fetch_effective_url, $entry->getAttribute("src"))); | |
fd61fd6e | 186 | |
2aaefbfa | 187 | } |
fd61fd6e AD |
188 | } |
189 | ||
2aaefbfa | 190 | return $r->getContent(); |
fd61fd6e AD |
191 | } |
192 | ||
2aaefbfa AD |
193 | } catch (ParseException $e) { |
194 | return false; | |
1ff7ae42 | 195 | } |
2aaefbfa | 196 | |
1ff7ae42 AD |
197 | } |
198 | ||
666cd333 AD |
199 | return false; |
200 | } | |
201 | ||
202 | function process_article($article) { | |
203 | ||
204 | $extracted_content = $this->extract_content($article["link"]); | |
205 | ||
206 | if ($extracted_content) { | |
207 | $article["content"] = $extracted_content; | |
208 | } | |
209 | ||
1ff7ae42 | 210 | return $article; |
6dbd6585 AD |
211 | } |
212 | ||
213 | function hook_article_filter($article) { | |
214 | ||
215 | $enabled_feeds = $this->host->get($this, "enabled_feeds"); | |
5d5f100f TE |
216 | if (!is_array($enabled_feeds)) return $article; |
217 | ||
6dbd6585 AD |
218 | $key = array_search($article["feed"]["id"], $enabled_feeds); |
219 | if ($key === FALSE) return $article; | |
220 | ||
221 | return $this->process_article($article); | |
1ff7ae42 AD |
222 | |
223 | } | |
224 | ||
225 | function api_version() { | |
226 | return 2; | |
227 | } | |
228 | ||
229 | private function filter_unknown_feeds($enabled_feeds) { | |
230 | $tmp = array(); | |
231 | ||
3e220fd1 | 232 | foreach ($enabled_feeds as $feed) { |
1ff7ae42 | 233 | |
0f4487d3 AD |
234 | $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? AND owner_uid = ?"); |
235 | $sth->execute([$feed, $_SESSION['uid']]); | |
1ff7ae42 | 236 | |
0f4487d3 | 237 | if ($row = $sth->fetch()) { |
3e220fd1 | 238 | array_push($tmp, $feed); |
1ff7ae42 AD |
239 | } |
240 | } | |
241 | ||
242 | return $tmp; | |
243 | } | |
244 | ||
245 | } |