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