5 * Description: Provides a Facebook-like chat using Jappix Mini
7 * Author: leberwurscht <leberwurscht@hoegners.de>
11 // Copyright 2012 "Leberwurscht" <leberwurscht@hoegners.de>
13 // This file is dual-licensed under the MIT license (see MIT.txt) and the AGPL license (see jappix/COPYING).
19 * jabber password should not be stored on server
20 * jabber password should not be sent between server and browser as soon as the user is logged in
21 * jabber password should not be reconstructible from communication between server and browser as soon as the user is logged in
24 Only store an encrypted version of the jabber password on the server. The encryption key is only available to the browser
25 and not to the server (at least as soon as the user is logged in). It can be stored using the jappix setDB function.
27 This encryption key could be the friendica password, but then this password would be stored in the browser in cleartext.
28 It is better to use a hash of the password.
29 The server should not be able to reconstruct the password, so we can't take the same hash the server stores. But we can
30 use hash("some_prefix"+password). This will however not work with OpenID logins, for this type of login the password must
34 How to discover the jabber addresses of the friendica contacts?
37 Each Friendica site with this addon provides a /jappixmini/ module page. We go through our contacts and retrieve
38 this information every week using a cron hook.
41 We do not want to make the jabber address public.
44 When two friendica users connect using DFRN, the relation gets a DFRN ID and a keypair is generated.
45 Using this keypair, we can provide the jabber address only to contacts:
48 signed_address = openssl_*_encrypt(alice_jabber_address)
49 send signed_address to Bob, who does
50 trusted_address = openssl_*_decrypt(signed_address)
52 encrypted_address = openssl_*_encrypt(bob_jabber_address)
53 reply with encrypted_address to Alice, who does
54 decrypted_address = openssl_*_decrypt(encrypted_address)
55 save decrypted_address
58 GET /jappixmini/?role=%s&signed_address=%s&dfrn_id=%s
61 json({"status":"ok", "encrypted_address":"%s"})
66 use Friendica\Core\Addon;
67 use Friendica\Core\Config;
68 use Friendica\Core\L10n;
69 use Friendica\Core\Logger;
70 use Friendica\Core\PConfig;
71 use Friendica\Core\Protocol;
72 use Friendica\Database\DBA;
73 use Friendica\Model\User;
74 use Friendica\Util\Network;
76 function jappixmini_install()
78 Addon::registerHook('addon_settings', 'addon/jappixmini/jappixmini.php', 'jappixmini_settings');
79 Addon::registerHook('addon_settings_post', 'addon/jappixmini/jappixmini.php', 'jappixmini_settings_post');
81 Addon::registerHook('page_end', 'addon/jappixmini/jappixmini.php', 'jappixmini_script');
82 Addon::registerHook('authenticate', 'addon/jappixmini/jappixmini.php', 'jappixmini_login');
84 Addon::registerHook('cron', 'addon/jappixmini/jappixmini.php', 'jappixmini_cron');
86 // Jappix source download as required by AGPL
87 Addon::registerHook('about_hook', 'addon/jappixmini/jappixmini.php', 'jappixmini_download_source');
89 // set standard configuration
90 $info_text = Config::get("jappixmini", "infotext");
92 Config::set("jappixmini", "infotext", "To get the chat working, you need to know a BOSH host which works with your Jabber account. " .
93 "An example of a BOSH server that works for all accounts is https://bind.jappix.com/, but keep " .
94 "in mind that the BOSH server can read along all chat messages. If you know that your Jabber " .
95 "server also provides an own BOSH server, it is much better to use this one!"
98 $bosh_proxy = Config::get("jappixmini", "bosh_proxy");
99 if ($bosh_proxy === "") {
100 Config::set("jappixmini", "bosh_proxy", "1");
103 // set addon version so that safe updates are possible later
104 $addon_version = Config::get("jappixmini", "version");
105 if ($addon_version === "") {
106 Config::set("jappixmini", "version", "1");
110 function jappixmini_uninstall()
112 Addon::unregisterHook('addon_settings', 'addon/jappixmini/jappixmini.php', 'jappixmini_settings');
113 Addon::unregisterHook('addon_settings_post', 'addon/jappixmini/jappixmini.php', 'jappixmini_settings_post');
115 Addon::unregisterHook('page_end', 'addon/jappixmini/jappixmini.php', 'jappixmini_script');
116 Addon::unregisterHook('authenticate', 'addon/jappixmini/jappixmini.php', 'jappixmini_login');
118 Addon::unregisterHook('cron', 'addon/jappixmini/jappixmini.php', 'jappixmini_cron');
120 Addon::unregisterHook('about_hook', 'addon/jappixmini/jappixmini.php', 'jappixmini_download_source');
123 function jappixmini_addon_admin(App $a, &$o)
125 // display instructions and warnings on addon settings page for admin
126 if (!file_exists("addon/jappixmini.tgz")) {
127 $o .= '<p><strong style="color:#fff;background-color:#f00">The source archive jappixmini.tgz does not exist. This is probably a violation of the Jappix License (AGPL).</strong></p>';
130 // warn if cron job has not yet been executed
131 $cron_run = Config::get("jappixmini", "last_cron_execution");
133 $o .= "<p><strong>Warning: The cron job has not yet been executed. If this message is still there after some time (usually 10 minutes), this means that autosubscribe and autoaccept will not work.</strong></p>";
137 $bosh_proxy = intval(Config::get("jappixmini", "bosh_proxy"));
138 $bosh_proxy = intval($bosh_proxy) ? ' checked="checked"' : '';
139 $o .= '<label for="jappixmini-proxy">Activate BOSH proxy</label>';
140 $o .= ' <input id="jappixmini-proxy" type="checkbox" name="jappixmini-proxy" value="1"' . $bosh_proxy . ' /><br />';
143 $bosh_address = Config::get("jappixmini", "bosh_address");
144 $o .= '<p><label for="jappixmini-address">Adress of the default BOSH proxy. If enabled it overrides the user settings:</label><br />';
145 $o .= '<input id="jappixmini-address" type="text" name="jappixmini-address" value="' . $bosh_address . '" /></p>';
147 // default server address
148 $default_server = Config::get("jappixmini", "default_server");
149 $o .= '<p><label for="jappixmini-server">Adress of the default jabber server:</label><br />';
150 $o .= '<input id="jappixmini-server" type="text" name="jappixmini-server" value="' . $default_server . '" /></p>';
152 // default user name to friendica nickname
153 $default_user = intval(Config::get("jappixmini", "default_user"));
154 $default_user = intval($default_user) ? ' checked="checked"' : '';
155 $o .= '<label for="jappixmini-user">Set the default username to the nickname:</label>';
156 $o .= ' <input id="jappixmini-user" type="checkbox" name="jappixmini-defaultuser" value="1"' . $default_user . ' /><br />';
159 $info_text = Config::get("jappixmini", "infotext");
160 $o .= '<p><label for="jappixmini-infotext">Info text to help users with configuration (important if you want to provide your own BOSH host!):</label><br />';
161 $o .= '<textarea id="jappixmini-infotext" name="jappixmini-infotext" rows="5" cols="50">' . htmlentities($info_text) . '</textarea></p>';
164 $o .= '<input type="submit" name="jappixmini-admin-settings" value="OK" />';
167 function jappixmini_addon_admin_post(App $a)
170 $submit = $_REQUEST['jappixmini-admin-settings'];
172 $info_text = $_REQUEST['jappixmini-infotext'];
173 $bosh_proxy = intval($_REQUEST['jappixmini-proxy']);
174 $default_user = intval($_REQUEST['jappixmini-defaultuser']);
175 $bosh_address = $_REQUEST['jappixmini-address'];
176 $default_server = $_REQUEST['jappixmini-server'];
177 Config::set("jappixmini", "infotext", $info_text);
178 Config::set("jappixmini", "bosh_proxy", $bosh_proxy);
179 Config::set("jappixmini", "bosh_address", $bosh_address);
180 Config::set("jappixmini", "default_server", $default_server);
181 Config::set("jappixmini", "default_user", $default_user);
185 function jappixmini_module()
190 function jappixmini_init()
192 // module page where other Friendica sites can submit Jabber addresses to and also can query Jabber addresses
194 $dfrn_id = $_REQUEST["dfrn_id"];
199 $role = $_REQUEST["role"];
200 if ($role == "pub") {
201 $r = q("SELECT * FROM `contact` WHERE LENGTH(`pubkey`) AND `dfrn-id`='%s' LIMIT 1", DBA::escape($dfrn_id));
206 $encrypt_func = openssl_public_encrypt;
207 $decrypt_func = openssl_public_decrypt;
208 $key = $r[0]["pubkey"];
209 } else if ($role == "prv") {
210 $r = q("SELECT * FROM `contact` WHERE LENGTH(`prvkey`) AND `issued-id`='%s' LIMIT 1", DBA::escape($dfrn_id));
215 $encrypt_func = openssl_private_encrypt;
216 $decrypt_func = openssl_private_decrypt;
217 $key = $r[0]["prvkey"];
224 // save the Jabber address we received
226 $signed_address_hex = $_REQUEST["signed_address"];
227 $signed_address = hex2bin($signed_address_hex);
229 $trusted_address = "";
230 $decrypt_func($signed_address, $trusted_address, $key);
232 $now = intval(time());
233 PConfig::set($uid, "jappixmini", "id:$dfrn_id", "$now:$trusted_address");
234 } catch (Exception $e) {
238 // do not return an address if user deactivated addon
239 $activated = PConfig::get($uid, 'jappixmini', 'activate');
244 // return the requested Jabber address
246 $username = PConfig::get($uid, 'jappixmini', 'username');
247 $server = PConfig::get($uid, 'jappixmini', 'server');
248 $address = "$username@$server";
250 $encrypted_address = "";
251 $encrypt_func($address, $encrypted_address, $key);
253 $encrypted_address_hex = bin2hex($encrypted_address);
257 "encrypted_address" => $encrypted_address_hex
260 $answer_json = json_encode($answer);
263 } catch (Exception $e) {
268 function jappixmini_settings(App $a, &$s)
270 // addon settings for a user
271 $activate = PConfig::get(local_user(), 'jappixmini', 'activate');
272 $activate = intval($activate) ? ' checked="checked"' : '';
273 $dontinsertchat = PConfig::get(local_user(), 'jappixmini', 'dontinsertchat');
274 $insertchat = !(intval($dontinsertchat) ? ' checked="checked"' : '');
276 $defaultbosh = Config::get("jappixmini", "bosh_address");
278 if ($defaultbosh != "") {
279 PConfig::set(local_user(), 'jappixmini', 'bosh', $defaultbosh);
282 $username = PConfig::get(local_user(), 'jappixmini', 'username');
283 $username = htmlentities($username);
284 $server = PConfig::get(local_user(), 'jappixmini', 'server');
285 $server = htmlentities($server);
286 $bosh = PConfig::get(local_user(), 'jappixmini', 'bosh');
287 $bosh = htmlentities($bosh);
288 $password = PConfig::get(local_user(), 'jappixmini', 'password');
289 $autosubscribe = PConfig::get(local_user(), 'jappixmini', 'autosubscribe');
290 $autosubscribe = intval($autosubscribe) ? ' checked="checked"' : '';
291 $autoapprove = PConfig::get(local_user(), 'jappixmini', 'autoapprove');
292 $autoapprove = intval($autoapprove) ? ' checked="checked"' : '';
293 $encrypt = intval(PConfig::get(local_user(), 'jappixmini', 'encrypt'));
294 $encrypt_checked = $encrypt ? ' checked="checked"' : '';
295 $encrypt_disabled = $encrypt ? '' : ' disabled="disabled"';
298 $server = Config::get("jappixmini", "default_server");
301 if (($username == "") && Config::get("jappixmini", "default_user")) {
302 $username = $a->user["nickname"];
305 $info_text = Config::get("jappixmini", "infotext");
306 $info_text = htmlentities($info_text);
307 $info_text = str_replace("\n", "<br />", $info_text);
310 $r = q("SELECT COUNT(1) as `cnt` FROM `pconfig` WHERE `uid`=%d AND `cat`='jappixmini' AND `k` LIKE 'id:%%'", local_user());
312 $contact_cnt = $r[0]["cnt"];
317 // count jabber addresses
318 $r = q("SELECT COUNT(1) as `cnt` FROM `pconfig` WHERE `uid`=%d AND `cat`='jappixmini' AND `k` LIKE 'id:%%' AND `v` LIKE '%%@%%'", local_user());
320 $address_cnt = $r[0]["cnt"];
326 // load scripts if not yet activated so that password can be saved
327 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/jappix/php/get.php?t=js&g=mini.xml"></script>' . "\r\n";
328 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/jappix/php/get.php?t=js&f=presence.js~caps.js~name.js~roster.js"></script>' . "\r\n";
330 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/lib.js"></script>' . "\r\n";
333 $s .= '<span id="settings_jappixmini_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_jappixmini_expanded\'); openClose(\'settings_jappixmini_inflated\');">';
334 $s .= '<h3>' . L10n::t('Jappix Mini') . '</h3>';
336 $s .= '<div id="settings_jappixmini_expanded" class="settings-block" style="display: none;">';
337 $s .= '<span class="fakelink" onclick="openClose(\'settings_jappixmini_expanded\'); openClose(\'settings_jappixmini_inflated\');">';
338 $s .= '<h3>' . L10n::t('Jappix Mini') . '</h3>';
341 $s .= '<label for="jappixmini-activate">' . L10n::t('Activate addon') . '</label>';
342 $s .= ' <input id="jappixmini-activate" type="checkbox" name="jappixmini-activate" value="1"' . $activate . ' />';
344 $s .= '<label for"jappixmini-dont-insertchat">' . L10n::t('Do <em>not</em> insert the Jappixmini Chat-Widget into the webinterface') . '</label>';
345 $s .= '<input id="jappixmini-dont-insertchat" type="checkbox" name="jappixmini-dont-insertchat" value="1"' . $insertchat . ' />';
347 $s .= '<label for="jappixmini-username">' . L10n::t('Jabber username') . '</label>';
348 $s .= ' <input id="jappixmini-username" type="text" name="jappixmini-username" value="' . $username . '" />';
350 $s .= '<label for="jappixmini-server">' . L10n::t('Jabber server') . '</label>';
351 $s .= ' <input id="jappixmini-server" type="text" name="jappixmini-server" value="' . $server . '" />';
354 if ($defaultbosh == "") {
355 $s .= '<label for="jappixmini-bosh">' . L10n::t('Jabber BOSH host') . '</label>';
356 $s .= ' <input id="jappixmini-bosh" type="text" name="jappixmini-bosh" value="' . $bosh . '" />';
360 $s .= '<label for="jappixmini-password">' . L10n::t('Jabber password') . '</label>';
361 $s .= ' <input type="hidden" id="jappixmini-password" name="jappixmini-encrypted-password" value="' . $password . '" />';
362 $s .= ' <input id="jappixmini-clear-password" type="password" value="" onchange="jappixmini_set_password();" />';
364 $onchange = "document.getElementById('jappixmini-friendica-password').disabled = !this.checked;jappixmini_set_password();";
365 $s .= '<label for="jappixmini-encrypt">' . L10n::t('Encrypt Jabber password with Friendica password (recommended)') . '</label>';
366 $s .= ' <input id="jappixmini-encrypt" type="checkbox" name="jappixmini-encrypt" onchange="' . $onchange . '" value="1"' . $encrypt_checked . ' />';
368 $s .= '<label for="jappixmini-friendica-password">' . L10n::t('Friendica password') . '</label>';
369 $s .= ' <input id="jappixmini-friendica-password" name="jappixmini-friendica-password" type="password" onchange="jappixmini_set_password();" value=""' . $encrypt_disabled . ' />';
371 $s .= '<label for="jappixmini-autoapprove">' . L10n::t('Approve subscription requests from Friendica contacts automatically') . '</label>';
372 $s .= ' <input id="jappixmini-autoapprove" type="checkbox" name="jappixmini-autoapprove" value="1"' . $autoapprove . ' />';
374 $s .= '<label for="jappixmini-autosubscribe">' . L10n::t('Subscribe to Friendica contacts automatically') . '</label>';
375 $s .= ' <input id="jappixmini-autosubscribe" type="checkbox" name="jappixmini-autosubscribe" value="1"' . $autosubscribe . ' />';
377 $s .= '<label for="jappixmini-purge">' . L10n::t('Purge internal list of jabber addresses of contacts') . '</label>';
378 $s .= ' <input id="jappixmini-purge" type="checkbox" name="jappixmini-purge" value="1" />';
381 $s .= '<br />Configuration help:<p style="margin-left:2em;">' . $info_text . '</p>';
383 $s .= '<br />Status:<p style="margin-left:2em;">Addon knows ' . $address_cnt . ' Jabber addresses of ' . $contact_cnt . ' Friendica contacts (takes some time, usually 10 minutes, to update).</p>';
384 $s .= '<input type="submit" name="jappixmini-submit" value="' . L10n::t('Save Settings') . '" />';
385 $s .= ' <input type="button" value="' . L10n::t('Add contact') . '" onclick="jappixmini_addon_subscribe();" />';
389 $a->page['htmlhead'] .= "<script type=\"text/javascript\">
390 function jappixmini_set_password() {
391 encrypt = document.getElementById('jappixmini-encrypt').checked;
392 password = document.getElementById('jappixmini-password');
393 clear_password = document.getElementById('jappixmini-clear-password');
395 friendica_password = document.getElementById('jappixmini-friendica-password');
397 if (friendica_password) {
398 jappixmini_addon_set_client_secret(friendica_password.value);
399 jappixmini_addon_encrypt_password(clear_password.value, function(encrypted_password){
400 password.value = encrypted_password;
405 password.value = clear_password.value;
409 jQuery(document).ready(function() {
410 encrypt = document.getElementById('jappixmini-encrypt').checked;
411 password = document.getElementById('jappixmini-password');
412 clear_password = document.getElementById('jappixmini-clear-password');
414 jappixmini_addon_decrypt_password(password.value, function(decrypted_password){
415 clear_password.value = decrypted_password;
419 clear_password.value = password.value;
425 function jappixmini_settings_post(App $a, &$b)
427 // save addon settings for a user
433 if ($_POST['jappixmini-submit']) {
434 $encrypt = intval($b['jappixmini-encrypt']);
436 // check that Jabber password was encrypted with correct Friendica password
437 $friendica_password = trim($b['jappixmini-friendica-password']);
438 if (!User::authenticate((int) $uid, $friendica_password)) {
439 info("Wrong friendica password!");
444 $purge = intval($b['jappixmini-purge']);
446 $username = trim($b['jappixmini-username']);
447 $old_username = PConfig::get($uid, 'jappixmini', 'username');
448 if ($username != $old_username) {
452 $server = trim($b['jappixmini-server']);
453 $old_server = PConfig::get($uid, 'jappixmini', 'server');
454 if ($server != $old_server) {
458 PConfig::set($uid, 'jappixmini', 'username' , $username);
459 PConfig::set($uid, 'jappixmini', 'server' , $server);
460 PConfig::set($uid, 'jappixmini', 'bosh' , trim($b['jappixmini-bosh']));
461 PConfig::set($uid, 'jappixmini', 'password' , trim($b['jappixmini-encrypted-password']));
462 PConfig::set($uid, 'jappixmini', 'autosubscribe' , intval($b['jappixmini-autosubscribe']));
463 PConfig::set($uid, 'jappixmini', 'autoapprove' , intval($b['jappixmini-autoapprove']));
464 PConfig::set($uid, 'jappixmini', 'activate' , intval($b['jappixmini-activate']));
465 PConfig::set($uid, 'jappixmini', 'dontinsertchat', intval($b['jappixmini-dont-insertchat']));
466 PConfig::set($uid, 'jappixmini', 'encrypt' , $encrypt);
467 info('Jappix Mini settings saved.');
470 q("DELETE FROM `pconfig` WHERE `uid`=$uid AND `cat`='jappixmini' AND `k` LIKE 'id:%%'");
471 info('List of addresses purged.');
476 function jappixmini_script(App $a)
478 // adds the script to the page header which starts Jappix Mini
483 if (defaults($_GET, "mode", '') == "minimal") {
487 $activate = PConfig::get(local_user(), 'jappixmini', 'activate');
488 $dontinsertchat = PConfig::get(local_user(), 'jappixmini', 'dontinsertchat');
489 if (!$activate || $dontinsertchat) {
493 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/jappix/php/get.php?t=js&g=mini.xml"></script>' . "\r\n";
494 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/jappix/php/get.php?t=js&f=presence.js~caps.js~name.js~roster.js"></script>' . "\r\n";
496 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/lib.js"></script>' . "\r\n";
498 $username = PConfig::get(local_user(), 'jappixmini', 'username');
499 $username = str_replace("'", "\\'", $username);
500 $server = PConfig::get(local_user(), 'jappixmini', 'server');
501 $server = str_replace("'", "\\'", $server);
502 $bosh = PConfig::get(local_user(), 'jappixmini', 'bosh');
503 $bosh = str_replace("'", "\\'", $bosh);
504 $encrypt = PConfig::get(local_user(), 'jappixmini', 'encrypt');
505 $encrypt = intval($encrypt);
506 $password = PConfig::get(local_user(), 'jappixmini', 'password');
507 $password = str_replace("'", "\\'", $password);
509 $autoapprove = PConfig::get(local_user(), 'jappixmini', 'autoapprove');
510 $autoapprove = intval($autoapprove);
511 $autosubscribe = PConfig::get(local_user(), 'jappixmini', 'autosubscribe');
512 $autosubscribe = intval($autosubscribe);
514 // set proxy if necessary
515 $use_proxy = Config::get('jappixmini', 'bosh_proxy');
517 $proxy = $a->getBaseURL() . '/addon/jappixmini/proxy.php';
522 // get a list of jabber accounts of the contacts
525 $rows = q("SELECT * FROM `pconfig` WHERE `uid`=$uid AND `cat`='jappixmini' AND `k` LIKE 'id:%%'");
526 foreach ($rows as $row) {
528 $pos = strpos($key, ":");
529 $dfrn_id = substr($key, $pos + 1);
530 $r = q("SELECT `name` FROM `contact` WHERE `uid`=$uid AND (`dfrn-id`='%s' OR `issued-id`='%s')", DBA::escape($dfrn_id), DBA::escape($dfrn_id));
532 $name = $r[0]["name"];
535 $pos = strpos($value, ":");
536 $address = substr($value, $pos + 1);
544 $contacts[$address] = $name;
546 $contacts_json = json_encode($contacts);
547 $contacts_hash = sha1($contacts_json);
550 $r = q("SELECT `username` FROM `user` WHERE `uid`=$uid");
551 $nickname = json_encode($r[0]["username"]);
552 $groupchats = Config::get('jappixmini', 'groupchats');
553 //if $groupchats has no value jappix_addon_start will produce a syntax error
554 if (empty($groupchats)) {
558 // add javascript to start Jappix Mini
559 $a->page['htmlhead'] .= "<script type=\"text/javascript\">
560 jQuery(document).ready(function() {
561 jappixmini_addon_start('$server', '$username', '$proxy', '$bosh', $encrypt, '$password', $nickname, $contacts_json, '$contacts_hash', $autoapprove, $autosubscribe, $groupchats);
568 function jappixmini_login(App $a, &$o)
570 // create client secret on login to be able to encrypt jabber passwords
571 // for setDB and str_sha1, needed by jappixmini_addon_set_client_secret
572 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/jappix/php/get.php?t=js&f=datastore.js~jsjac.js"></script>' . "\r\n";
574 // for jappixmini_addon_set_client_secret
575 $a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/jappixmini/lib.js"></script>' . "\r\n";
577 // save hash of password
578 $o = str_replace("<form ", "<form onsubmit=\"jappixmini_addon_set_client_secret(this.elements['id_password'].value);return true;\" ", $o);
581 function jappixmini_cron(App $a, $d)
583 // For autosubscribe/autoapprove, we need to maintain a list of jabber addresses of our contacts.
584 Config::set("jappixmini", "last_cron_execution", $d);
586 // go through list of users with jabber enabled
587 $users = q("SELECT `uid` FROM `pconfig` WHERE `cat`='jappixmini' AND (`k`='autosubscribe' OR `k`='autoapprove') AND `v`='1'");
588 Logger::log("jappixmini: Update list of contacts' jabber accounts for " . count($users) . " users.");
590 if (!count($users)) {
594 foreach ($users as $row) {
597 // for each user, go through list of contacts
598 $contacts = q("SELECT * FROM `contact` WHERE `uid`=%d AND ((LENGTH(`dfrn-id`) AND LENGTH(`pubkey`)) OR (LENGTH(`issued-id`) AND LENGTH(`prvkey`))) AND `network` = '%s'",
599 intval($uid), DBA::escape(Protocol::DFRN));
600 foreach ($contacts as $contact_row) {
601 $request = $contact_row["request"];
606 $dfrn_id = $contact_row["dfrn-id"];
608 $key = $contact_row["pubkey"];
609 $encrypt_func = openssl_public_encrypt;
610 $decrypt_func = openssl_public_decrypt;
613 $dfrn_id = $contact_row["issued-id"];
614 $key = $contact_row["prvkey"];
615 $encrypt_func = openssl_private_encrypt;
616 $decrypt_func = openssl_private_decrypt;
620 // check if jabber address already present
621 $present = PConfig::get($uid, "jappixmini", "id:" . $dfrn_id);
622 $now = intval(time());
624 // $present has format "timestamp:jabber_address"
625 $p = strpos($present, ":");
626 $timestamp = intval(substr($present, 0, $p));
628 // do not re-retrieve jabber address if last retrieval
629 // is not older than a week
630 if ($now - $timestamp < 3600 * 24 * 7) {
635 // construct base retrieval address
636 $pos = strpos($request, "/dfrn_request/");
637 if ($pos === false) {
641 $base = substr($request, 0, $pos) . "/jappixmini?role=$role";
643 // construct own address
644 $username = PConfig::get($uid, 'jappixmini', 'username');
648 $server = PConfig::get($uid, 'jappixmini', 'server');
653 $address = $username . "@" . $server;
656 $signed_address = "";
657 $encrypt_func($address, $signed_address, $key);
659 // construct request url
660 $signed_address_hex = bin2hex($signed_address);
661 $url = $base . "&signed_address=$signed_address_hex&dfrn_id=" . urlencode($dfrn_id);
665 $answer_json = Network::fetchUrl($url);
668 $answer = json_decode($answer_json);
669 if ($answer->status != "ok") {
670 throw new Exception();
673 $encrypted_address_hex = $answer->encrypted_address;
674 if (!$encrypted_address_hex) {
675 throw new Exception();
678 $encrypted_address = hex2bin($encrypted_address_hex);
679 if (!$encrypted_address) {
680 throw new Exception();
684 $decrypted_address = "";
685 $decrypt_func($encrypted_address, $decrypted_address, $key);
686 if (!$decrypted_address) {
687 throw new Exception();
689 } catch (Exception $e) {
690 $decrypted_address = "";
694 PConfig::set($uid, "jappixmini", "id:$dfrn_id", "$now:$decrypted_address");
699 function jappixmini_download_source(App $a, &$b)
701 // Jappix Mini source download link on About page
702 $b .= '<h1>Jappix Mini</h1>';
703 $b .= '<p>This site uses the jappixmini addon, which includes Jappix Mini by the <a href="' . $a->getBaseURL() . '/addon/jappixmini/jappix/AUTHORS">Jappix authors</a> and is distributed under the terms of the <a href="' . $a->getBaseURL() . '/addon/jappixmini/jappix/COPYING">GNU Affero General Public License</a>.</p>';
704 $b .= '<p>You can download the <a href="' . $a->getBaseURL() . '/addon/jappixmini.tgz">source code of the addon</a>. The rest of Friendica is distributed under compatible licenses and can be retrieved from <a href="https://github.com/friendica/friendica">https://github.com/friendica/friendica</a> and <a href="https://github.com/friendica/friendica-addons">https://github.com/friendica/friendica-addons</a></p>';