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Commit | Line | Data |
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19c73507 AD |
1 | <?php |
2 | class PluginHost { | |
6322ac79 | 3 | private $dbh; |
19c73507 AD |
4 | private $hooks = array(); |
5 | private $plugins = array(); | |
8dcb2b47 | 6 | private $handlers = array(); |
73f28fe9 | 7 | private $commands = array(); |
d8a1d2a2 | 8 | private $storage = array(); |
a413f53e | 9 | private $feeds = array(); |
79f9bef7 | 10 | private $api_methods = array(); |
d8a1d2a2 | 11 | private $owner_uid; |
be178857 | 12 | private $debug; |
726bd48e | 13 | private $last_registered; |
1ffe3391 | 14 | private static $instance; |
19c73507 | 15 | |
106a3de9 | 16 | const API_VERSION = 2; |
ddf28801 | 17 | |
19c73507 AD |
18 | const HOOK_ARTICLE_BUTTON = 1; |
19 | const HOOK_ARTICLE_FILTER = 2; | |
6065f3ad | 20 | const HOOK_PREFS_TAB = 3; |
699daf58 | 21 | const HOOK_PREFS_TAB_SECTION = 4; |
6cbe53c9 | 22 | const HOOK_PREFS_TABS = 5; |
4412b877 | 23 | const HOOK_FEED_PARSED = 6; |
41b82aa4 | 24 | const HOOK_UPDATE_TASK = 7; |
0f28f81f | 25 | const HOOK_AUTH_USER = 8; |
e218c5f5 | 26 | const HOOK_HOTKEY_MAP = 9; |
84d952f1 AD |
27 | const HOOK_RENDER_ARTICLE = 10; |
28 | const HOOK_RENDER_ARTICLE_CDM = 11; | |
017401dd | 29 | const HOOK_FEED_FETCHED = 12; |
e9b86f0a | 30 | const HOOK_SANITIZE = 13; |
b6604c96 | 31 | const HOOK_RENDER_ARTICLE_API = 14; |
ceb78471 AD |
32 | const HOOK_TOOLBAR_BUTTON = 15; |
33 | const HOOK_ACTION_ITEM = 16; | |
34 | const HOOK_HEADLINE_TOOLBAR_BUTTON = 17; | |
47854200 | 35 | const HOOK_HOTKEY_INFO = 18; |
ccb2b8dd | 36 | const HOOK_ARTICLE_LEFT_BUTTON = 19; |
057177eb | 37 | const HOOK_PREFS_EDIT_FEED = 20; |
8cefe38a | 38 | const HOOK_PREFS_SAVE_FEED = 21; |
ee65bef4 | 39 | const HOOK_FETCH_FEED = 22; |
891e36f5 | 40 | const HOOK_QUERY_HEADLINES = 23; |
8e470220 | 41 | const HOOK_HOUSE_KEEPING = 24; |
baaf4c30 | 42 | const HOOK_SEARCH = 25; |
2bb11658 | 43 | const HOOK_FORMAT_ENCLOSURES = 26; |
01465325 | 44 | const HOOK_SUBSCRIBE_FEED = 27; |
7eb87b80 | 45 | const HOOK_HEADLINES_BEFORE = 28; |
945346cb | 46 | const HOOK_RENDER_ENCLOSURE = 29; |
19c73507 | 47 | |
d2a421e3 AD |
48 | const KIND_ALL = 1; |
49 | const KIND_SYSTEM = 2; | |
50 | const KIND_USER = 3; | |
51 | ||
48ed517e | 52 | function __construct() { |
1ffe3391 | 53 | $this->dbh = Db::get(); |
d8a1d2a2 | 54 | |
d48398e6 | 55 | $this->storage = array(); |
19c73507 AD |
56 | } |
57 | ||
1ffe3391 AD |
58 | private function __clone() { |
59 | // | |
60 | } | |
61 | ||
62 | public static function getInstance() { | |
63 | if (self::$instance == null) | |
64 | self::$instance = new self(); | |
65 | ||
66 | return self::$instance; | |
67 | } | |
68 | ||
19c73507 AD |
69 | private function register_plugin($name, $plugin) { |
70 | //array_push($this->plugins, $plugin); | |
71 | $this->plugins[$name] = $plugin; | |
72 | } | |
73 | ||
106a3de9 | 74 | // needed for compatibility with API 1 |
726bd48e | 75 | function get_link() { |
106a3de9 | 76 | return false; |
726bd48e AD |
77 | } |
78 | ||
6322ac79 AD |
79 | function get_dbh() { |
80 | return $this->dbh; | |
19c73507 AD |
81 | } |
82 | ||
84e36b61 AD |
83 | function get_plugin_names() { |
84 | $names = array(); | |
85 | ||
86 | foreach ($this->plugins as $p) { | |
87 | array_push($names, get_class($p)); | |
88 | } | |
89 | ||
90 | return $names; | |
91 | } | |
92 | ||
19c73507 AD |
93 | function get_plugins() { |
94 | return $this->plugins; | |
95 | } | |
96 | ||
97 | function get_plugin($name) { | |
98 | return $this->plugins[$name]; | |
99 | } | |
100 | ||
6065f3ad AD |
101 | function run_hooks($type, $method, $args) { |
102 | foreach ($this->get_hooks($type) as $hook) { | |
103 | $hook->$method($args); | |
104 | } | |
105 | } | |
106 | ||
19c73507 AD |
107 | function add_hook($type, $sender) { |
108 | if (!is_array($this->hooks[$type])) { | |
109 | $this->hooks[$type] = array(); | |
110 | } | |
111 | ||
112 | array_push($this->hooks[$type], $sender); | |
113 | } | |
114 | ||
115 | function del_hook($type, $sender) { | |
116 | if (is_array($this->hooks[$type])) { | |
a96bb3d8 | 117 | $key = array_Search($sender, $this->hooks[$type]); |
19c73507 AD |
118 | if ($key !== FALSE) { |
119 | unset($this->hooks[$type][$key]); | |
120 | } | |
121 | } | |
122 | } | |
123 | ||
124 | function get_hooks($type) { | |
19b3992b AD |
125 | if (isset($this->hooks[$type])) { |
126 | return $this->hooks[$type]; | |
127 | } else { | |
128 | return array(); | |
129 | } | |
19c73507 | 130 | } |
5d9abb1e | 131 | function load_all($kind, $owner_uid = false) { |
7c0a2ab2 | 132 | |
ca5d39e8 AD |
133 | $plugins = array_merge(glob("plugins/*"), glob("plugins.local/*")); |
134 | $plugins = array_filter($plugins, "is_dir"); | |
135 | $plugins = array_map("basename", $plugins); | |
7c0a2ab2 AD |
136 | |
137 | asort($plugins); | |
138 | ||
5d9abb1e | 139 | $this->load(join(",", $plugins), $kind, $owner_uid); |
7a866114 | 140 | } |
19c73507 | 141 | |
d8a1d2a2 | 142 | function load($classlist, $kind, $owner_uid = false) { |
19c73507 AD |
143 | $plugins = explode(",", $classlist); |
144 | ||
d8a1d2a2 AD |
145 | $this->owner_uid = (int) $owner_uid; |
146 | ||
19c73507 AD |
147 | foreach ($plugins as $class) { |
148 | $class = trim($class); | |
8dcb2b47 | 149 | $class_file = strtolower(basename($class)); |
b8c7f835 | 150 | |
7c0a2ab2 AD |
151 | if (!is_dir(__DIR__."/../plugins/$class_file") && |
152 | !is_dir(__DIR__."/../plugins.local/$class_file")) continue; | |
153 | ||
154 | // try system plugin directory first | |
155 | $file = __DIR__ . "/../plugins/$class_file/init.php"; | |
b8c7f835 | 156 | |
7c0a2ab2 AD |
157 | if (!file_exists($file)) { |
158 | $file = __DIR__ . "/../plugins.local/$class_file/init.php"; | |
159 | } | |
19c73507 | 160 | |
de612e7a AD |
161 | if (!isset($this->plugins[$class])) { |
162 | if (file_exists($file)) require_once $file; | |
19c73507 | 163 | |
de612e7a AD |
164 | if (class_exists($class) && is_subclass_of($class, "Plugin")) { |
165 | $plugin = new $class($this); | |
19c73507 | 166 | |
ddf28801 AD |
167 | $plugin_api = $plugin->api_version(); |
168 | ||
169 | if ($plugin_api < PluginHost::API_VERSION) { | |
170 | user_error("Plugin $class is not compatible with current API version (need: " . PluginHost::API_VERSION . ", got: $plugin_api)", E_USER_WARNING); | |
171 | continue; | |
172 | } | |
173 | ||
726bd48e AD |
174 | $this->last_registered = $class; |
175 | ||
d2a421e3 AD |
176 | switch ($kind) { |
177 | case $this::KIND_SYSTEM: | |
178 | if ($this->is_system($plugin)) { | |
179 | $plugin->init($this); | |
180 | $this->register_plugin($class, $plugin); | |
181 | } | |
182 | break; | |
183 | case $this::KIND_USER: | |
184 | if (!$this->is_system($plugin)) { | |
185 | $plugin->init($this); | |
186 | $this->register_plugin($class, $plugin); | |
187 | } | |
188 | break; | |
189 | case $this::KIND_ALL: | |
190 | $plugin->init($this); | |
191 | $this->register_plugin($class, $plugin); | |
192 | break; | |
193 | } | |
de612e7a | 194 | } |
19c73507 AD |
195 | } |
196 | } | |
197 | } | |
198 | ||
de612e7a | 199 | function is_system($plugin) { |
d2a421e3 | 200 | $about = $plugin->about(); |
de612e7a AD |
201 | |
202 | return @$about[3]; | |
203 | } | |
204 | ||
205 | // only system plugins are allowed to modify routing | |
8dcb2b47 | 206 | function add_handler($handler, $method, $sender) { |
6cbe53c9 | 207 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
208 | $method = strtolower($method); |
209 | ||
de612e7a AD |
210 | if ($this->is_system($sender)) { |
211 | if (!is_array($this->handlers[$handler])) { | |
212 | $this->handlers[$handler] = array(); | |
213 | } | |
8dcb2b47 | 214 | |
de612e7a AD |
215 | $this->handlers[$handler][$method] = $sender; |
216 | } | |
8dcb2b47 AD |
217 | } |
218 | ||
6f7798b6 | 219 | function del_handler($handler, $method, $sender) { |
6cbe53c9 | 220 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
221 | $method = strtolower($method); |
222 | ||
de612e7a AD |
223 | if ($this->is_system($sender)) { |
224 | unset($this->handlers[$handler][$method]); | |
225 | } | |
8dcb2b47 AD |
226 | } |
227 | ||
228 | function lookup_handler($handler, $method) { | |
6cbe53c9 | 229 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
230 | $method = strtolower($method); |
231 | ||
232 | if (is_array($this->handlers[$handler])) { | |
6cbe53c9 AD |
233 | if (isset($this->handlers[$handler]["*"])) { |
234 | return $this->handlers[$handler]["*"]; | |
235 | } else { | |
236 | return $this->handlers[$handler][$method]; | |
237 | } | |
8dcb2b47 AD |
238 | } |
239 | ||
240 | return false; | |
241 | } | |
73f28fe9 | 242 | |
4cf0f9a9 | 243 | function add_command($command, $description, $sender, $suffix = "", $arghelp = "") { |
764555ff | 244 | $command = str_replace("-", "_", strtolower($command)); |
73f28fe9 | 245 | |
d2a421e3 | 246 | $this->commands[$command] = array("description" => $description, |
4cf0f9a9 AD |
247 | "suffix" => $suffix, |
248 | "arghelp" => $arghelp, | |
d2a421e3 | 249 | "class" => $sender); |
73f28fe9 AD |
250 | } |
251 | ||
252 | function del_command($command) { | |
253 | $command = "-" . strtolower($command); | |
254 | ||
d2a421e3 | 255 | unset($this->commands[$command]); |
73f28fe9 AD |
256 | } |
257 | ||
258 | function lookup_command($command) { | |
259 | $command = "-" . strtolower($command); | |
260 | ||
261 | if (is_array($this->commands[$command])) { | |
262 | return $this->commands[$command]["class"]; | |
263 | } else { | |
264 | return false; | |
265 | } | |
266 | ||
267 | return false; | |
268 | } | |
269 | ||
270 | function get_commands() { | |
271 | return $this->commands; | |
272 | } | |
273 | ||
274 | function run_commands($args) { | |
275 | foreach ($this->get_commands() as $command => $data) { | |
764555ff | 276 | if (isset($args[$command])) { |
73f28fe9 AD |
277 | $command = str_replace("-", "", $command); |
278 | $data["class"]->$command($args); | |
279 | } | |
280 | } | |
281 | } | |
282 | ||
d8a1d2a2 | 283 | function load_data($force = false) { |
d48398e6 | 284 | if ($this->owner_uid) { |
d9c85e0f | 285 | $result = $this->dbh->query("SELECT name, content FROM ttrss_plugin_storage |
d8a1d2a2 AD |
286 | WHERE owner_uid = '".$this->owner_uid."'"); |
287 | ||
d9c85e0f | 288 | while ($line = $this->dbh->fetch_assoc($result)) { |
d8a1d2a2 AD |
289 | $this->storage[$line["name"]] = unserialize($line["content"]); |
290 | } | |
d8a1d2a2 AD |
291 | } |
292 | } | |
293 | ||
294 | private function save_data($plugin) { | |
295 | if ($this->owner_uid) { | |
d9c85e0f | 296 | $plugin = $this->dbh->escape_string($plugin); |
d8a1d2a2 | 297 | |
d9c85e0f | 298 | $this->dbh->query("BEGIN"); |
d8a1d2a2 | 299 | |
d9c85e0f | 300 | $result = $this->dbh->query("SELECT id FROM ttrss_plugin_storage WHERE |
d8a1d2a2 AD |
301 | owner_uid= '".$this->owner_uid."' AND name = '$plugin'"); |
302 | ||
303 | if (!isset($this->storage[$plugin])) | |
304 | $this->storage[$plugin] = array(); | |
305 | ||
14c84904 AD |
306 | $content = $this->dbh->escape_string(serialize($this->storage[$plugin]), |
307 | false); | |
d8a1d2a2 | 308 | |
d9c85e0f AD |
309 | if ($this->dbh->num_rows($result) != 0) { |
310 | $this->dbh->query("UPDATE ttrss_plugin_storage SET content = '$content' | |
d8a1d2a2 AD |
311 | WHERE owner_uid= '".$this->owner_uid."' AND name = '$plugin'"); |
312 | ||
313 | } else { | |
d9c85e0f | 314 | $this->dbh->query("INSERT INTO ttrss_plugin_storage |
d8a1d2a2 AD |
315 | (name,owner_uid,content) VALUES |
316 | ('$plugin','".$this->owner_uid."','$content')"); | |
317 | } | |
318 | ||
d9c85e0f | 319 | $this->dbh->query("COMMIT"); |
d8a1d2a2 AD |
320 | } |
321 | } | |
322 | ||
323 | function set($sender, $name, $value, $sync = true) { | |
324 | $idx = get_class($sender); | |
325 | ||
326 | if (!isset($this->storage[$idx])) | |
327 | $this->storage[$idx] = array(); | |
328 | ||
329 | $this->storage[$idx][$name] = $value; | |
330 | ||
d8a1d2a2 AD |
331 | if ($sync) $this->save_data(get_class($sender)); |
332 | } | |
333 | ||
5d9abb1e | 334 | function get($sender, $name, $default_value = false) { |
d8a1d2a2 AD |
335 | $idx = get_class($sender); |
336 | ||
337 | if (isset($this->storage[$idx][$name])) { | |
338 | return $this->storage[$idx][$name]; | |
339 | } else { | |
340 | return $default_value; | |
341 | } | |
342 | } | |
343 | ||
344 | function get_all($sender) { | |
345 | $idx = get_class($sender); | |
346 | ||
347 | return $this->storage[$idx]; | |
348 | } | |
5d9abb1e AD |
349 | |
350 | function clear_data($sender) { | |
351 | if ($this->owner_uid) { | |
352 | $idx = get_class($sender); | |
353 | ||
354 | unset($this->storage[$idx]); | |
355 | ||
d9c85e0f | 356 | $this->dbh->query("DELETE FROM ttrss_plugin_storage WHERE name = '$idx' |
5d9abb1e | 357 | AND owner_uid = " . $this->owner_uid); |
5d9abb1e AD |
358 | } |
359 | } | |
be178857 AD |
360 | |
361 | function set_debug($debug) { | |
362 | $this->debug = $debug; | |
363 | } | |
364 | ||
365 | function get_debug() { | |
366 | return $this->debug; | |
367 | } | |
a413f53e AD |
368 | |
369 | // Plugin feed functions are *EXPERIMENTAL*! | |
370 | ||
371 | // cat_id: only -1 is supported (Special) | |
372 | function add_feed($cat_id, $title, $icon, $sender) { | |
373 | if (!$this->feeds[$cat_id]) $this->feeds[$cat_id] = array(); | |
374 | ||
375 | $id = count($this->feeds[$cat_id]); | |
376 | ||
377 | array_push($this->feeds[$cat_id], | |
378 | array('id' => $id, 'title' => $title, 'sender' => $sender, 'icon' => $icon)); | |
379 | ||
380 | return $id; | |
381 | } | |
382 | ||
383 | function get_feeds($cat_id) { | |
384 | return $this->feeds[$cat_id]; | |
385 | } | |
386 | ||
387 | // convert feed_id (e.g. -129) to pfeed_id first | |
388 | function get_feed_handler($pfeed_id) { | |
389 | foreach ($this->feeds as $cat) { | |
390 | foreach ($cat as $feed) { | |
391 | if ($feed['id'] == $pfeed_id) { | |
392 | return $feed['sender']; | |
393 | } | |
394 | } | |
395 | } | |
396 | } | |
397 | ||
398 | static function pfeed_to_feed_id($label) { | |
399 | return PLUGIN_FEED_BASE_INDEX - 1 - abs($label); | |
400 | } | |
401 | ||
402 | static function feed_to_pfeed_id($feed) { | |
403 | return PLUGIN_FEED_BASE_INDEX - 1 + abs($feed); | |
404 | } | |
405 | ||
79f9bef7 AD |
406 | function add_api_method($name, $sender) { |
407 | if ($this->is_system($sender)) { | |
408 | $this->api_methods[strtolower($name)] = $sender; | |
409 | } | |
410 | } | |
411 | ||
412 | function get_api_method($name) { | |
413 | return $this->api_methods[$name]; | |
414 | } | |
19c73507 AD |
415 | } |
416 | ?> |