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Commit | Line | Data |
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19c73507 AD |
1 | <?php |
2 | class PluginHost { | |
3 | private $link; | |
4 | private $hooks = array(); | |
5 | private $plugins = array(); | |
8dcb2b47 | 6 | private $handlers = array(); |
73f28fe9 | 7 | private $commands = array(); |
d8a1d2a2 AD |
8 | private $storage = array(); |
9 | private $owner_uid; | |
19c73507 AD |
10 | |
11 | const HOOK_ARTICLE_BUTTON = 1; | |
12 | const HOOK_ARTICLE_FILTER = 2; | |
6065f3ad | 13 | const HOOK_PREFS_TAB = 3; |
699daf58 | 14 | const HOOK_PREFS_TAB_SECTION = 4; |
6cbe53c9 | 15 | const HOOK_PREFS_TABS = 5; |
4412b877 | 16 | const HOOK_FEED_PARSED = 6; |
41b82aa4 | 17 | const HOOK_UPDATE_TASK = 7; |
0f28f81f | 18 | const HOOK_AUTH_USER = 8; |
e218c5f5 | 19 | const HOOK_HOTKEY_MAP = 9; |
84d952f1 AD |
20 | const HOOK_RENDER_ARTICLE = 10; |
21 | const HOOK_RENDER_ARTICLE_CDM = 11; | |
017401dd | 22 | const HOOK_FEED_FETCHED = 12; |
19c73507 | 23 | |
d2a421e3 AD |
24 | const KIND_ALL = 1; |
25 | const KIND_SYSTEM = 2; | |
26 | const KIND_USER = 3; | |
27 | ||
19c73507 AD |
28 | function __construct($link) { |
29 | $this->link = $link; | |
d8a1d2a2 AD |
30 | |
31 | $this->storage = $_SESSION["plugin_storage"]; | |
32 | ||
33 | if (!$this->storage) $this->storage = array(); | |
19c73507 AD |
34 | } |
35 | ||
36 | private function register_plugin($name, $plugin) { | |
37 | //array_push($this->plugins, $plugin); | |
38 | $this->plugins[$name] = $plugin; | |
39 | } | |
40 | ||
41 | function get_link() { | |
42 | return $this->link; | |
43 | } | |
44 | ||
45 | function get_plugins() { | |
46 | return $this->plugins; | |
47 | } | |
48 | ||
49 | function get_plugin($name) { | |
50 | return $this->plugins[$name]; | |
51 | } | |
52 | ||
6065f3ad AD |
53 | function run_hooks($type, $method, $args) { |
54 | foreach ($this->get_hooks($type) as $hook) { | |
55 | $hook->$method($args); | |
56 | } | |
57 | } | |
58 | ||
19c73507 AD |
59 | function add_hook($type, $sender) { |
60 | if (!is_array($this->hooks[$type])) { | |
61 | $this->hooks[$type] = array(); | |
62 | } | |
63 | ||
64 | array_push($this->hooks[$type], $sender); | |
65 | } | |
66 | ||
67 | function del_hook($type, $sender) { | |
68 | if (is_array($this->hooks[$type])) { | |
69 | $key = array_Search($this->hooks[$type], $sender); | |
70 | if ($key !== FALSE) { | |
71 | unset($this->hooks[$type][$key]); | |
72 | } | |
73 | } | |
74 | } | |
75 | ||
76 | function get_hooks($type) { | |
19b3992b AD |
77 | if (isset($this->hooks[$type])) { |
78 | return $this->hooks[$type]; | |
79 | } else { | |
80 | return array(); | |
81 | } | |
19c73507 | 82 | } |
5d9abb1e | 83 | function load_all($kind, $owner_uid = false) { |
7a866114 | 84 | $plugins = array_map("basename", glob("plugins/*")); |
5d9abb1e | 85 | $this->load(join(",", $plugins), $kind, $owner_uid); |
7a866114 | 86 | } |
19c73507 | 87 | |
d8a1d2a2 | 88 | function load($classlist, $kind, $owner_uid = false) { |
19c73507 AD |
89 | $plugins = explode(",", $classlist); |
90 | ||
d8a1d2a2 AD |
91 | $this->owner_uid = (int) $owner_uid; |
92 | ||
19c73507 AD |
93 | foreach ($plugins as $class) { |
94 | $class = trim($class); | |
8dcb2b47 | 95 | $class_file = strtolower(basename($class)); |
e938b1de | 96 | $file = dirname(__FILE__)."/../plugins/$class_file/init.php"; |
19c73507 | 97 | |
de612e7a AD |
98 | if (!isset($this->plugins[$class])) { |
99 | if (file_exists($file)) require_once $file; | |
19c73507 | 100 | |
de612e7a AD |
101 | if (class_exists($class) && is_subclass_of($class, "Plugin")) { |
102 | $plugin = new $class($this); | |
19c73507 | 103 | |
d2a421e3 AD |
104 | switch ($kind) { |
105 | case $this::KIND_SYSTEM: | |
106 | if ($this->is_system($plugin)) { | |
107 | $plugin->init($this); | |
108 | $this->register_plugin($class, $plugin); | |
109 | } | |
110 | break; | |
111 | case $this::KIND_USER: | |
112 | if (!$this->is_system($plugin)) { | |
113 | $plugin->init($this); | |
114 | $this->register_plugin($class, $plugin); | |
115 | } | |
116 | break; | |
117 | case $this::KIND_ALL: | |
118 | $plugin->init($this); | |
119 | $this->register_plugin($class, $plugin); | |
120 | break; | |
121 | } | |
de612e7a | 122 | } |
19c73507 AD |
123 | } |
124 | } | |
125 | } | |
126 | ||
de612e7a | 127 | function is_system($plugin) { |
d2a421e3 | 128 | $about = $plugin->about(); |
de612e7a AD |
129 | |
130 | return @$about[3]; | |
131 | } | |
132 | ||
133 | // only system plugins are allowed to modify routing | |
8dcb2b47 | 134 | function add_handler($handler, $method, $sender) { |
6cbe53c9 | 135 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
136 | $method = strtolower($method); |
137 | ||
de612e7a AD |
138 | if ($this->is_system($sender)) { |
139 | if (!is_array($this->handlers[$handler])) { | |
140 | $this->handlers[$handler] = array(); | |
141 | } | |
8dcb2b47 | 142 | |
de612e7a AD |
143 | $this->handlers[$handler][$method] = $sender; |
144 | } | |
8dcb2b47 AD |
145 | } |
146 | ||
147 | function del_handler($handler, $method) { | |
6cbe53c9 | 148 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
149 | $method = strtolower($method); |
150 | ||
de612e7a AD |
151 | if ($this->is_system($sender)) { |
152 | unset($this->handlers[$handler][$method]); | |
153 | } | |
8dcb2b47 AD |
154 | } |
155 | ||
156 | function lookup_handler($handler, $method) { | |
6cbe53c9 | 157 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
158 | $method = strtolower($method); |
159 | ||
160 | if (is_array($this->handlers[$handler])) { | |
6cbe53c9 AD |
161 | if (isset($this->handlers[$handler]["*"])) { |
162 | return $this->handlers[$handler]["*"]; | |
163 | } else { | |
164 | return $this->handlers[$handler][$method]; | |
165 | } | |
8dcb2b47 AD |
166 | } |
167 | ||
168 | return false; | |
169 | } | |
73f28fe9 AD |
170 | |
171 | function add_command($command, $description, $sender) { | |
172 | $command = "-" . str_replace("-", "_", strtolower($command)); | |
173 | ||
d2a421e3 AD |
174 | $this->commands[$command] = array("description" => $description, |
175 | "class" => $sender); | |
73f28fe9 AD |
176 | } |
177 | ||
178 | function del_command($command) { | |
179 | $command = "-" . strtolower($command); | |
180 | ||
d2a421e3 | 181 | unset($this->commands[$command]); |
73f28fe9 AD |
182 | } |
183 | ||
184 | function lookup_command($command) { | |
185 | $command = "-" . strtolower($command); | |
186 | ||
187 | if (is_array($this->commands[$command])) { | |
188 | return $this->commands[$command]["class"]; | |
189 | } else { | |
190 | return false; | |
191 | } | |
192 | ||
193 | return false; | |
194 | } | |
195 | ||
196 | function get_commands() { | |
197 | return $this->commands; | |
198 | } | |
199 | ||
200 | function run_commands($args) { | |
201 | foreach ($this->get_commands() as $command => $data) { | |
202 | if (in_array($command, $args)) { | |
203 | $command = str_replace("-", "", $command); | |
204 | $data["class"]->$command($args); | |
205 | } | |
206 | } | |
207 | } | |
208 | ||
d8a1d2a2 AD |
209 | function load_data($force = false) { |
210 | if ($this->owner_uid && (!$_SESSION["plugin_storage"] || $force)) { | |
211 | $plugin = db_escape_string($plugin); | |
212 | ||
213 | $result = db_query($this->link, "SELECT name, content FROM ttrss_plugin_storage | |
214 | WHERE owner_uid = '".$this->owner_uid."'"); | |
215 | ||
216 | while ($line = db_fetch_assoc($result)) { | |
217 | $this->storage[$line["name"]] = unserialize($line["content"]); | |
218 | } | |
219 | ||
220 | $_SESSION["plugin_storage"] = $this->storage; | |
221 | } | |
222 | } | |
223 | ||
224 | private function save_data($plugin) { | |
225 | if ($this->owner_uid) { | |
226 | $plugin = db_escape_string($plugin); | |
227 | ||
228 | db_query($this->link, "BEGIN"); | |
229 | ||
230 | $result = db_query($this->link,"SELECT id FROM ttrss_plugin_storage WHERE | |
231 | owner_uid= '".$this->owner_uid."' AND name = '$plugin'"); | |
232 | ||
233 | if (!isset($this->storage[$plugin])) | |
234 | $this->storage[$plugin] = array(); | |
235 | ||
236 | $content = db_escape_string(serialize($this->storage[$plugin])); | |
237 | ||
238 | if (db_num_rows($result) != 0) { | |
239 | db_query($this->link, "UPDATE ttrss_plugin_storage SET content = '$content' | |
240 | WHERE owner_uid= '".$this->owner_uid."' AND name = '$plugin'"); | |
241 | ||
242 | } else { | |
243 | db_query($this->link, "INSERT INTO ttrss_plugin_storage | |
244 | (name,owner_uid,content) VALUES | |
245 | ('$plugin','".$this->owner_uid."','$content')"); | |
246 | } | |
247 | ||
248 | db_query($this->link, "COMMIT"); | |
249 | } | |
250 | } | |
251 | ||
252 | function set($sender, $name, $value, $sync = true) { | |
253 | $idx = get_class($sender); | |
254 | ||
255 | if (!isset($this->storage[$idx])) | |
256 | $this->storage[$idx] = array(); | |
257 | ||
258 | $this->storage[$idx][$name] = $value; | |
259 | ||
260 | $_SESSION["plugin_storage"] = $this->storage; | |
261 | ||
262 | if ($sync) $this->save_data(get_class($sender)); | |
263 | } | |
264 | ||
5d9abb1e | 265 | function get($sender, $name, $default_value = false) { |
d8a1d2a2 AD |
266 | $idx = get_class($sender); |
267 | ||
268 | if (isset($this->storage[$idx][$name])) { | |
269 | return $this->storage[$idx][$name]; | |
270 | } else { | |
271 | return $default_value; | |
272 | } | |
273 | } | |
274 | ||
275 | function get_all($sender) { | |
276 | $idx = get_class($sender); | |
277 | ||
278 | return $this->storage[$idx]; | |
279 | } | |
5d9abb1e AD |
280 | |
281 | function clear_data($sender) { | |
282 | if ($this->owner_uid) { | |
283 | $idx = get_class($sender); | |
284 | ||
285 | unset($this->storage[$idx]); | |
286 | ||
287 | db_query($this->link, "DELETE FROM ttrss_plugin_storage WHERE name = '$idx' | |
288 | AND owner_uid = " . $this->owner_uid); | |
289 | ||
290 | $_SESSION["plugin_storage"] = $this->storage; | |
291 | } | |
292 | } | |
19c73507 AD |
293 | } |
294 | ?> |