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Commit | Line | Data |
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5f0a3741 | 1 | <?php |
6cbe53c9 AD |
2 | class Instances extends Plugin implements IHandler { |
3 | ||
4 | private $link; | |
5 | private $host; | |
5f0a3741 | 6 | |
32532f1c AD |
7 | private $status_codes = array( |
8 | 0 => "Connection failed", | |
9 | 1 => "Success", | |
10 | 2 => "Invalid object received", | |
11 | 16 => "Access denied" ); | |
12 | ||
d2a421e3 | 13 | function about() { |
7a866114 AD |
14 | return array(1.0, |
15 | "Support for linking tt-rss instances together and sharing popular feeds.", | |
de612e7a AD |
16 | "fox", |
17 | true); | |
7a866114 AD |
18 | } |
19 | ||
d2a421e3 | 20 | function init($host) { |
6cbe53c9 AD |
21 | $this->link = $host->get_link(); |
22 | $this->host = $host; | |
23 | ||
24 | $host->add_hook($host::HOOK_PREFS_TABS, $this); | |
25 | $host->add_handler("pref-instances", "*", $this); | |
ebff9ef7 | 26 | $host->add_handler("public", "fbexport", $this); |
41b82aa4 AD |
27 | $host->add_command("get-feeds", "receive popular feeds from linked instances", $this); |
28 | $host->add_hook($host::HOOK_UPDATE_TASK, $this); | |
29 | } | |
30 | ||
31 | function hook_update_task($args) { | |
32 | _debug("Get linked feeds..."); | |
33 | $this->get_linked_feeds($this->link); | |
34 | } | |
35 | ||
36 | // Status codes: | |
37 | // -1 - never connected | |
38 | // 0 - no data received | |
39 | // 1 - data received successfully | |
40 | // 2 - did not receive valid data | |
41 | // >10 - server error, code + 10 (e.g. 16 means server error 6) | |
42 | ||
43 | function get_linked_feeds($link, $instance_id = false) { | |
44 | if ($instance_id) | |
45 | $instance_qpart = "id = '$instance_id' AND "; | |
46 | else | |
47 | $instance_qpart = ""; | |
48 | ||
49 | if (DB_TYPE == "pgsql") { | |
50 | $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'"; | |
51 | } else { | |
52 | $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)"; | |
53 | } | |
54 | ||
55 | $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances | |
56 | WHERE $instance_qpart $date_qpart ORDER BY last_connected"); | |
57 | ||
58 | while ($line = db_fetch_assoc($result)) { | |
59 | $id = $line['id']; | |
60 | ||
61 | _debug("Updating: " . $line['access_url'] . " ($id)"); | |
62 | ||
63 | $fetch_url = $line['access_url'] . '/public.php?op=fbexport'; | |
64 | $post_query = 'key=' . $line['access_key']; | |
65 | ||
66 | $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query); | |
67 | ||
68 | // try doing it the old way | |
69 | if (!$feeds) { | |
70 | $fetch_url = $line['access_url'] . '/backend.php?op=fbexport'; | |
71 | $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query); | |
72 | } | |
73 | ||
74 | if ($feeds) { | |
75 | $feeds = json_decode($feeds, true); | |
76 | ||
77 | if ($feeds) { | |
78 | if ($feeds['error']) { | |
79 | $status = $feeds['error']['code'] + 10; | |
80 | ||
81 | // access denied | |
82 | if ($status == 16) { | |
83 | db_query($link, "DELETE FROM ttrss_linked_feeds | |
84 | WHERE instance_id = '$id'"); | |
85 | } | |
86 | } else { | |
87 | $status = 1; | |
88 | ||
89 | if (count($feeds['feeds']) > 0) { | |
90 | ||
91 | db_query($link, "DELETE FROM ttrss_linked_feeds | |
92 | WHERE instance_id = '$id'"); | |
93 | ||
94 | foreach ($feeds['feeds'] as $feed) { | |
3972bf59 AD |
95 | $feed_url = db_escape_string($this->link, $feed['feed_url']); |
96 | $title = db_escape_string($this->link, $feed['title']); | |
97 | $subscribers = db_escape_string($this->link, $feed['subscribers']); | |
98 | $site_url = db_escape_string($this->link, $feed['site_url']); | |
41b82aa4 AD |
99 | |
100 | db_query($link, "INSERT INTO ttrss_linked_feeds | |
101 | (feed_url, site_url, title, subscribers, instance_id, created, updated) | |
102 | VALUES | |
103 | ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())"); | |
104 | } | |
105 | } else { | |
106 | // received 0 feeds, this might indicate that | |
107 | // the instance on the other hand is rebuilding feedbrowser cache | |
108 | // we will try again later | |
109 | ||
110 | // TODO: maybe perform expiration based on updated here? | |
111 | } | |
112 | ||
113 | _debug("Processed " . count($feeds['feeds']) . " feeds."); | |
114 | } | |
115 | } else { | |
116 | $status = 2; | |
117 | } | |
118 | ||
119 | } else { | |
120 | $status = 0; | |
121 | } | |
122 | ||
123 | _debug("Status: $status"); | |
124 | ||
125 | db_query($link, "UPDATE ttrss_linked_instances SET | |
126 | last_status_out = '$status', last_connected = NOW() WHERE id = '$id'"); | |
127 | ||
128 | } | |
129 | } | |
130 | ||
131 | ||
132 | function get_feeds() { | |
133 | $this->get_linked_feeds($this->link, false); | |
6cbe53c9 AD |
134 | } |
135 | ||
136 | function get_prefs_js() { | |
137 | return file_get_contents(dirname(__FILE__) . "/instances.js"); | |
138 | } | |
139 | ||
140 | function hook_prefs_tabs($args) { | |
141 | if ($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) { | |
142 | ?><div id="instanceConfigTab" dojoType="dijit.layout.ContentPane" | |
143 | href="backend.php?op=pref-instances" | |
144 | title="<?php echo __('Linked') ?>"></div><?php | |
145 | } | |
146 | } | |
147 | ||
8484ce22 AD |
148 | function csrf_ignore($method) { |
149 | $csrf_ignored = array("index", "edit"); | |
150 | ||
151 | return array_search($method, $csrf_ignored) !== false; | |
152 | } | |
153 | ||
17f9d200 | 154 | function before($method) { |
6cbe53c9 | 155 | if ($_SESSION["uid"]) { |
5f0a3741 AD |
156 | if ($_SESSION["access_level"] < 10) { |
157 | print __("Your access level is insufficient to open this tab."); | |
158 | return false; | |
159 | } | |
160 | return true; | |
161 | } | |
162 | return false; | |
163 | } | |
164 | ||
6cbe53c9 AD |
165 | function after() { |
166 | return true; | |
167 | } | |
168 | ||
5f0a3741 | 169 | function remove() { |
3972bf59 | 170 | $ids = db_escape_string($this->link, $_REQUEST['ids']); |
5f0a3741 AD |
171 | |
172 | db_query($this->link, "DELETE FROM ttrss_linked_instances WHERE | |
173 | id IN ($ids)"); | |
174 | } | |
175 | ||
176 | function add() { | |
3972bf59 AD |
177 | $id = db_escape_string($this->link, $_REQUEST["id"]); |
178 | $access_url = db_escape_string($this->link, $_REQUEST["access_url"]); | |
179 | $access_key = db_escape_string($this->link, $_REQUEST["access_key"]); | |
5f0a3741 AD |
180 | |
181 | db_query($this->link, "BEGIN"); | |
182 | ||
183 | $result = db_query($this->link, "SELECT id FROM ttrss_linked_instances | |
184 | WHERE access_url = '$access_url'"); | |
185 | ||
186 | if (db_num_rows($result) == 0) { | |
187 | db_query($this->link, "INSERT INTO ttrss_linked_instances | |
188 | (access_url, access_key, last_connected, last_status_in, last_status_out) | |
189 | VALUES | |
190 | ('$access_url', '$access_key', '1970-01-01', -1, -1)"); | |
191 | ||
192 | } | |
193 | ||
194 | db_query($this->link, "COMMIT"); | |
195 | } | |
196 | ||
197 | function edit() { | |
3972bf59 | 198 | $id = db_escape_string($this->link, $_REQUEST["id"]); |
5f0a3741 AD |
199 | |
200 | $result = db_query($this->link, "SELECT * FROM ttrss_linked_instances WHERE | |
201 | id = '$id'"); | |
202 | ||
203 | print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$id\">"; | |
204 | print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-instances\">"; | |
205 | print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"editSave\">"; | |
206 | ||
207 | print "<div class=\"dlgSec\">".__("Instance")."</div>"; | |
208 | ||
209 | print "<div class=\"dlgSecCont\">"; | |
210 | ||
211 | /* URL */ | |
212 | ||
213 | $access_url = htmlspecialchars(db_fetch_result($result, 0, "access_url")); | |
214 | ||
215 | print __("URL:") . " "; | |
216 | ||
217 | print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" | |
218 | placeHolder=\"".__("Instance URL")."\" | |
219 | regExp='^(http|https)://.*' | |
220 | style=\"font-size : 16px; width: 20em\" name=\"access_url\" | |
221 | value=\"$access_url\">"; | |
222 | ||
223 | print "<hr/>"; | |
224 | ||
225 | $access_key = htmlspecialchars(db_fetch_result($result, 0, "access_key")); | |
226 | ||
227 | /* Access key */ | |
228 | ||
229 | print __("Access key:") . " "; | |
230 | ||
231 | print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" | |
232 | placeHolder=\"".__("Access key")."\" regExp='\w{40}' | |
233 | style=\"width: 20em\" name=\"access_key\" id=\"instance_edit_key\" | |
234 | value=\"$access_key\">"; | |
235 | ||
236 | print "<p class='insensitive'>" . __("Use one access key for both linked instances."); | |
237 | ||
238 | print "</div>"; | |
239 | ||
240 | print "<div class=\"dlgButtons\"> | |
241 | <div style='float : left'> | |
242 | <button dojoType=\"dijit.form.Button\" | |
243 | onclick=\"return dijit.byId('instanceEditDlg').regenKey()\">". | |
244 | __('Generate new key')."</button> | |
245 | </div> | |
246 | <button dojoType=\"dijit.form.Button\" | |
247 | onclick=\"return dijit.byId('instanceEditDlg').execute()\">". | |
248 | __('Save')."</button> | |
249 | <button dojoType=\"dijit.form.Button\" | |
250 | onclick=\"return dijit.byId('instanceEditDlg').hide()\"\">". | |
251 | __('Cancel')."</button></div>"; | |
252 | ||
253 | } | |
254 | ||
255 | function editSave() { | |
3972bf59 AD |
256 | $id = db_escape_string($this->link, $_REQUEST["id"]); |
257 | $access_url = db_escape_string($this->link, $_REQUEST["access_url"]); | |
258 | $access_key = db_escape_string($this->link, $_REQUEST["access_key"]); | |
5f0a3741 AD |
259 | |
260 | db_query($this->link, "UPDATE ttrss_linked_instances SET | |
261 | access_key = '$access_key', access_url = '$access_url', | |
262 | last_connected = '1970-01-01' | |
263 | WHERE id = '$id'"); | |
264 | ||
265 | } | |
266 | ||
267 | function index() { | |
268 | ||
269 | if (!function_exists('curl_init')) { | |
270 | print "<div style='padding : 1em'>"; | |
271 | print_error("This functionality requires CURL functions. Please enable CURL in your PHP configuration (you might also want to disable open_basedir in php.ini) and reload this page."); | |
272 | print "</div>"; | |
273 | } | |
274 | ||
275 | print "<div id=\"pref-instance-wrap\" dojoType=\"dijit.layout.BorderContainer\" gutters=\"false\">"; | |
276 | print "<div id=\"pref-instance-header\" dojoType=\"dijit.layout.ContentPane\" region=\"top\">"; | |
277 | ||
278 | print "<div id=\"pref-instance-toolbar\" dojoType=\"dijit.Toolbar\">"; | |
279 | ||
3972bf59 | 280 | $sort = db_escape_string($this->link, $_REQUEST["sort"]); |
5f0a3741 AD |
281 | |
282 | if (!$sort || $sort == "undefined") { | |
283 | $sort = "access_url"; | |
284 | } | |
285 | ||
286 | print "<div dojoType=\"dijit.form.DropDownButton\">". | |
287 | "<span>" . __('Select')."</span>"; | |
288 | print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">"; | |
289 | print "<div onclick=\"selectTableRows('prefInstanceList', 'all')\" | |
290 | dojoType=\"dijit.MenuItem\">".__('All')."</div>"; | |
291 | print "<div onclick=\"selectTableRows('prefInstanceList', 'none')\" | |
292 | dojoType=\"dijit.MenuItem\">".__('None')."</div>"; | |
293 | print "</div></div>"; | |
294 | ||
295 | print "<button dojoType=\"dijit.form.Button\" onclick=\"addInstance()\">".__('Link instance')."</button>"; | |
296 | print "<button dojoType=\"dijit.form.Button\" onclick=\"editSelectedInstance()\">".__('Edit')."</button>"; | |
297 | print "<button dojoType=\"dijit.form.Button\" onclick=\"removeSelectedInstances()\">".__('Remove')."</button>"; | |
298 | ||
299 | print "</div>"; #toolbar | |
300 | ||
301 | $result = db_query($this->link, "SELECT *, | |
302 | (SELECT COUNT(*) FROM ttrss_linked_feeds | |
303 | WHERE instance_id = ttrss_linked_instances.id) AS num_feeds | |
304 | FROM ttrss_linked_instances | |
305 | ORDER BY $sort"); | |
306 | ||
307 | print "<p class=\"insensitive\" style='margin-left : 1em;'>" . __("You can connect other instances of Tiny Tiny RSS to this one to share Popular feeds. Link to this instance of Tiny Tiny RSS by using this URL:"); | |
308 | ||
309 | print " <a href=\"#\" onclick=\"alert('".htmlspecialchars(get_self_url_prefix())."')\">(display url)</a>"; | |
310 | ||
311 | print "<p><table width='100%' id='prefInstanceList' class='prefInstanceList' cellspacing='0'>"; | |
312 | ||
313 | print "<tr class=\"title\"> | |
314 | <td align='center' width=\"5%\"> </td> | |
315 | <td width=''><a href=\"#\" onclick=\"updateInstanceList('access_url')\">".__('Instance URL')."</a></td> | |
316 | <td width='20%'><a href=\"#\" onclick=\"updateInstanceList('access_key')\">".__('Access key')."</a></td> | |
317 | <td width='10%'><a href=\"#\" onclick=\"updateUsersList('last_connected')\">".__('Last connected')."</a></td> | |
32532f1c | 318 | <td width='10%'><a href=\"#\" onclick=\"updateUsersList('last_status_out')\">".__('Status')."</a></td> |
5f0a3741 AD |
319 | <td width='10%'><a href=\"#\" onclick=\"updateUsersList('num_feeds')\">".__('Stored feeds')."</a></td> |
320 | </tr>"; | |
321 | ||
322 | $lnum = 0; | |
323 | ||
324 | while ($line = db_fetch_assoc($result)) { | |
325 | $class = ($lnum % 2) ? "even" : "odd"; | |
326 | ||
327 | $id = $line['id']; | |
328 | $this_row_id = "id=\"LIRR-$id\""; | |
329 | ||
330 | $line["last_connected"] = make_local_datetime($this->link, $line["last_connected"], false); | |
331 | ||
332 | print "<tr class=\"$class\" $this_row_id>"; | |
333 | ||
334 | print "<td align='center'><input onclick='toggleSelectRow(this);' | |
335 | type=\"checkbox\" id=\"LICHK-$id\"></td>"; | |
336 | ||
337 | $onclick = "onclick='editInstance($id, event)' title='".__('Click to edit')."'"; | |
338 | ||
339 | $access_key = mb_substr($line['access_key'], 0, 4) . '...' . | |
340 | mb_substr($line['access_key'], -4); | |
341 | ||
342 | print "<td $onclick>" . htmlspecialchars($line['access_url']) . "</td>"; | |
343 | print "<td $onclick>" . htmlspecialchars($access_key) . "</td>"; | |
344 | print "<td $onclick>" . htmlspecialchars($line['last_connected']) . "</td>"; | |
32532f1c | 345 | print "<td $onclick>" . $this->status_codes[$line['last_status_out']] . "</td>"; |
5f0a3741 AD |
346 | print "<td $onclick>" . htmlspecialchars($line['num_feeds']) . "</td>"; |
347 | ||
348 | print "</tr>"; | |
349 | ||
350 | ++$lnum; | |
351 | } | |
352 | ||
353 | print "</table>"; | |
354 | ||
355 | print "</div>"; #pane | |
6065f3ad AD |
356 | |
357 | global $pluginhost; | |
358 | $pluginhost->run_hooks($pluginhost::HOOK_PREFS_TAB, | |
359 | "hook_prefs_tab", "prefInstances"); | |
360 | ||
5f0a3741 AD |
361 | print "</div>"; #container |
362 | ||
363 | } | |
6cbe53c9 | 364 | |
ebff9ef7 AD |
365 | function fbexport() { |
366 | ||
3972bf59 | 367 | $access_key = db_escape_string($this->link, $_POST["key"]); |
ebff9ef7 AD |
368 | |
369 | // TODO: rate limit checking using last_connected | |
370 | $result = db_query($this->link, "SELECT id FROM ttrss_linked_instances | |
371 | WHERE access_key = '$access_key'"); | |
372 | ||
373 | if (db_num_rows($result) == 1) { | |
374 | ||
375 | $instance_id = db_fetch_result($result, 0, "id"); | |
376 | ||
377 | $result = db_query($this->link, "SELECT feed_url, site_url, title, subscribers | |
378 | FROM ttrss_feedbrowser_cache ORDER BY subscribers DESC LIMIT 100"); | |
379 | ||
380 | $feeds = array(); | |
381 | ||
382 | while ($line = db_fetch_assoc($result)) { | |
383 | array_push($feeds, $line); | |
384 | } | |
385 | ||
386 | db_query($this->link, "UPDATE ttrss_linked_instances SET | |
387 | last_status_in = 1 WHERE id = '$instance_id'"); | |
388 | ||
389 | print json_encode(array("feeds" => $feeds)); | |
390 | } else { | |
391 | print json_encode(array("error" => array("code" => 6))); | |
392 | } | |
393 | } | |
394 | ||
7a5103ae AD |
395 | function addInstance() { |
396 | print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-instances\">"; | |
397 | print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"add\">"; | |
398 | ||
399 | print "<div class=\"dlgSec\">".__("Instance")."</div>"; | |
400 | ||
401 | print "<div class=\"dlgSecCont\">"; | |
402 | ||
403 | /* URL */ | |
404 | ||
405 | print __("URL:") . " "; | |
406 | ||
407 | print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" | |
408 | placeHolder=\"".__("Instance URL")."\" | |
409 | regExp='^(http|https)://.*' | |
410 | style=\"font-size : 16px; width: 20em\" name=\"access_url\">"; | |
411 | ||
412 | print "<hr/>"; | |
413 | ||
414 | $access_key = sha1(uniqid(rand(), true)); | |
415 | ||
416 | /* Access key */ | |
417 | ||
418 | print __("Access key:") . " "; | |
419 | ||
420 | print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" | |
421 | placeHolder=\"".__("Access key")."\" regExp='\w{40}' | |
422 | style=\"width: 20em\" name=\"access_key\" id=\"instance_add_key\" | |
423 | value=\"$access_key\">"; | |
424 | ||
425 | print "<p class='insensitive'>" . __("Use one access key for both linked instances."); | |
426 | ||
427 | print "</div>"; | |
428 | ||
429 | print "<div class=\"dlgButtons\"> | |
430 | <div style='float : left'> | |
431 | <button dojoType=\"dijit.form.Button\" | |
432 | onclick=\"return dijit.byId('instanceAddDlg').regenKey()\">". | |
433 | __('Generate new key')."</button> | |
434 | </div> | |
435 | <button dojoType=\"dijit.form.Button\" | |
436 | onclick=\"return dijit.byId('instanceAddDlg').execute()\">". | |
437 | __('Create link')."</button> | |
438 | <button dojoType=\"dijit.form.Button\" | |
439 | onclick=\"return dijit.byId('instanceAddDlg').hide()\"\">". | |
440 | __('Cancel')."</button></div>"; | |
441 | ||
442 | return; | |
443 | } | |
ebff9ef7 | 444 | |
76f2113b AD |
445 | function genHash() { |
446 | $hash = sha1(uniqid(rand(), true)); | |
447 | ||
448 | print json_encode(array("hash" => $hash)); | |
449 | } | |
450 | ||
451 | ||
5f0a3741 AD |
452 | } |
453 | ?> |