3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 /* XXX: break up into separate modules (HTTP, HTML, user, files) */
24 function common_server_error($msg, $code=500) {
25 static $status = array(500 => 'Internal Server Error',
26 501 => 'Not Implemented',
28 503 => 'Service Unavailable',
29 504 => 'Gateway Timeout',
30 505 => 'HTTP Version Not Supported');
32 if (!array_key_exists($code, $status)) {
36 $status_string = $status[$code];
38 header('HTTP/1.1 '.$code.' '.$status_string);
39 header('Content-type: text/plain');
47 function common_user_error($msg, $code=400) {
48 static $status = array(400 => 'Bad Request',
49 401 => 'Unauthorized',
50 402 => 'Payment Required',
53 405 => 'Method Not Allowed',
54 406 => 'Not Acceptable',
55 407 => 'Proxy Authentication Required',
56 408 => 'Request Timeout',
59 411 => 'Length Required',
60 412 => 'Precondition Failed',
61 413 => 'Request Entity Too Large',
62 414 => 'Request-URI Too Long',
63 415 => 'Unsupported Media Type',
64 416 => 'Requested Range Not Satisfiable',
65 417 => 'Expectation Failed');
67 if (!array_key_exists($code, $status)) {
71 $status_string = $status[$code];
73 header('HTTP/1.1 '.$code.' '.$status_string);
75 common_show_header('Error');
76 common_element('div', array('class' => 'error'), $msg);
82 # Start an HTML element
83 function common_element_start($tag, $attrs=NULL) {
85 $xw->startElement($tag);
86 if (is_array($attrs)) {
87 foreach ($attrs as $name => $value) {
88 $xw->writeAttribute($name, $value);
90 } else if (is_string($attrs)) {
91 $xw->writeAttribute('class', $attrs);
95 function common_element_end($tag) {
96 static $empty_tag = array('base', 'meta', 'link', 'hr',
97 'br', 'param', 'img', 'area',
100 # XXX: check namespace
101 if (in_array($tag, $empty_tag)) {
104 $xw->fullEndElement();
108 function common_element($tag, $attrs=NULL, $content=NULL) {
109 common_element_start($tag, $attrs);
111 if (!is_null($content)) {
114 common_element_end($tag);
117 function common_start_xml($doc=NULL, $public=NULL, $system=NULL) {
119 $xw = new XMLWriter();
120 $xw->openURI('php://output');
121 $xw->setIndent(true);
122 $xw->startDocument('1.0', 'UTF-8');
124 $xw->writeDTD($doc, $public, $system);
128 function common_end_xml() {
134 define('PAGE_TYPE_PREFS', 'text/html,application/xhtml+xml,application/xml;q=0.3,text/xml;q=0.2');
136 function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=NULL) {
139 $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : NULL;
141 # XXX: allow content negotiation for RDF, RSS, or XRDS
143 $type = common_negotiate_type(common_accept_to_prefs($httpaccept),
144 common_accept_to_prefs(PAGE_TYPE_PREFS));
147 common_user_error(_('This page is not available in a media type you accept'), 406);
151 header('Content-Type: '.$type);
153 common_start_xml('html',
154 '-//W3C//DTD XHTML 1.0 Strict//EN',
155 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
157 # FIXME: correct language for interface
159 common_element_start('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
163 common_element_start('head');
164 common_element('title', NULL,
165 $pagetitle . " - " . $config['site']['name']);
166 common_element('link', array('rel' => 'stylesheet',
167 'type' => 'text/css',
168 'href' => theme_path('display.css'),
169 'media' => 'screen, projection, tv'));
170 foreach (array(6,7) as $ver) {
171 if (file_exists(theme_file('ie'.$ver.'.css'))) {
172 # Yes, IE people should be put in jail.
173 $xw->writeComment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
174 'href="'.theme_path('ie'.$ver.'.css').'" /><![endif]');
178 common_element('script', array('type' => 'text/javascript',
179 'src' => common_path('js/jquery.min.js')),
181 common_element('script', array('type' => 'text/javascript',
182 'src' => common_path('js/util.js')),
187 call_user_func($callable, $data);
189 call_user_func($callable);
192 common_element_end('head');
193 common_element_start('body');
194 common_element_start('div', array('id' => 'wrap'));
195 common_element_start('div', array('id' => 'header'));
197 if ((isset($config['site']['logo']) && is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
198 || file_exists(theme_file('logo.png')))
200 common_element_start('a', array('href' => common_local_url('public')));
201 common_element('img', array('src' => isset($config['site']['logo']) ?
202 ($config['site']['logo']) : theme_path('logo.png'),
203 'alt' => $config['site']['name'],
205 common_element_end('a');
207 common_element_start('p', array('id' => 'branding'));
208 common_element('a', array('href' => common_local_url('public')),
209 $config['site']['name']);
210 common_element_end('p');
213 common_element('h1', 'pagetitle', $pagetitle);
217 call_user_func($headercall, $data);
219 call_user_func($headercall);
222 common_element_end('div');
223 common_element_start('div', array('id' => 'content'));
226 function common_show_footer() {
228 common_element_end('div'); # content div
230 common_element_start('div', array('id' => 'footer'));
231 common_element_start('div', 'laconica');
232 if (common_config('site', 'broughtby')) {
233 $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
235 $instr = _('**%%site.name%%** is a microblogging service. ');
237 $instr .= sprintf(_('It runs the [Laconica](http://laconi.ca/) microblogging software, version %s, available under the [GNU Affero General Public License](http://www.fsf.org/licensing/licenses/agpl-3.0.html).'), LACONICA_VERSION);
238 $output = common_markup_to_html($instr);
240 common_element_end('div');
241 common_element('img', array('id' => 'cc',
242 'src' => $config['license']['image'],
243 'alt' => $config['license']['title']));
244 common_element_start('p');
245 common_text(_('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
246 common_element('a', array('class' => 'license',
248 'href' => $config['license']['url']),
249 $config['license']['title']);
250 common_text(_('. Contributors should be attributed by full name or nickname.'));
251 common_element_end('p');
252 common_element_end('div');
253 common_element_end('div');
254 common_element_end('body');
255 common_element_end('html');
259 function common_text($txt) {
264 function common_raw($xml) {
269 function common_nav_menu() {
270 $user = common_current_user();
271 common_element_start('ul', array('id' => 'nav'));
273 common_menu_item(common_local_url('all', array('nickname' => $user->nickname)),
276 common_menu_item(common_local_url('public'), _('Public'));
277 common_menu_item(common_local_url('peoplesearch'), _('Search'));
278 common_menu_item(common_local_url('tags'), _('Tags'));
279 common_menu_item(common_local_url('doc', array('title' => 'help')),
282 common_menu_item(common_local_url('profilesettings'),
284 common_menu_item(common_local_url('logout'),
287 common_menu_item(common_local_url('login'), _('Login'));
288 if (!common_config('site', 'closed')) {
289 common_menu_item(common_local_url('register'), _('Register'));
291 common_menu_item(common_local_url('openidlogin'), _('OpenID'));
293 common_element_end('ul');
296 function common_foot_menu() {
297 common_element_start('ul', array('id' => 'nav_sub'));
298 common_menu_item(common_local_url('doc', array('title' => 'about')),
300 common_menu_item(common_local_url('doc', array('title' => 'faq')),
302 common_menu_item(common_local_url('doc', array('title' => 'privacy')),
304 common_menu_item(common_local_url('doc', array('title' => 'source')),
306 common_menu_item(common_local_url('doc', array('title' => 'contact')),
308 common_element_end('ul');
311 function common_menu_item($url, $text, $title=NULL, $is_selected=false) {
314 $lattrs['class'] = 'current';
316 common_element_start('li', $lattrs);
317 $attrs['href'] = $url;
319 $attrs['title'] = $title;
321 common_element('a', $attrs, $text);
322 common_element_end('li');
325 function common_input($id, $label, $value=NULL,$instructions=NULL) {
326 common_element_start('p');
327 common_element('label', array('for' => $id), $label);
328 $attrs = array('name' => $id,
330 'class' => 'input_text',
333 $attrs['value'] = htmlspecialchars($value);
335 common_element('input', $attrs);
337 common_element('span', 'input_instructions', $instructions);
339 common_element_end('p');
342 function common_checkbox($id, $label, $checked=false, $instructions=NULL, $value='true')
344 common_element_start('p');
345 $attrs = array('name' => $id,
346 'type' => 'checkbox',
347 'class' => 'checkbox',
350 $attrs['value'] = htmlspecialchars($value);
353 $attrs['checked'] = 'checked';
355 common_element('input', $attrs);
358 common_element('span', 'checkbox_label', $label);
361 common_element('span', 'input_instructions', $instructions);
363 common_element_end('p');
366 function common_hidden($id, $value) {
367 common_element('input', array('name' => $id,
373 function common_password($id, $label, $instructions=NULL) {
374 common_element_start('p');
375 common_element('label', array('for' => $id), $label);
376 $attrs = array('name' => $id,
377 'type' => 'password',
378 'class' => 'password',
380 common_element('input', $attrs);
382 common_element('span', 'input_instructions', $instructions);
384 common_element_end('p');
387 function common_submit($id, $label) {
389 common_element_start('p');
390 common_element('input', array('type' => 'submit',
395 common_element_end('p');
398 function common_textarea($id, $label, $content=NULL, $instructions=NULL) {
399 common_element_start('p');
400 common_element('label', array('for' => $id), $label);
401 common_element('textarea', array('rows' => 3,
405 ($content) ? $content : '');
407 common_element('span', 'input_instructions', $instructions);
409 common_element_end('p');
412 # salted, hashed passwords are stored in the DB
414 function common_munge_password($password, $id) {
415 return md5($password . $id);
418 # check if a username exists and has matching password
419 function common_check_user($nickname, $password) {
420 $user = User::staticGet('nickname', $nickname);
421 if (is_null($user)) {
424 if (0 == strcmp(common_munge_password($password, $user->id),
433 # is the current user logged in?
434 function common_logged_in() {
435 return (!is_null(common_current_user()));
438 function common_have_session() {
439 return (0 != strcmp(session_id(), ''));
442 function common_ensure_session() {
443 if (!common_have_session()) {
448 # Three kinds of arguments:
453 function common_set_user($user) {
454 if (is_null($user) && common_have_session()) {
455 unset($_SESSION['userid']);
457 } else if (is_string($user)) {
459 $user = User::staticGet('nickname', $nickname);
460 } else if (!($user instanceof User)) {
465 common_ensure_session();
466 $_SESSION['userid'] = $user->id;
472 function common_set_cookie($key, $value, $expiration=0) {
473 $path = common_config('site', 'path');
474 $server = common_config('site', 'server');
476 if ($path && ($path != '/')) {
477 $cookiepath = '/' . $path . '/';
481 return setcookie($key,
488 define('REMEMBERME', 'rememberme');
489 define('REMEMBERME_EXPIRY', 30 * 24 * 60 * 60);
491 function common_rememberme($user=NULL) {
493 $user = common_current_user();
495 common_debug('No current user to remember', __FILE__);
499 $rm = new Remember_me();
500 $rm->code = common_good_rand(16);
501 $rm->user_id = $user->id;
502 $result = $rm->insert();
504 common_log_db_error($rm, 'INSERT', __FILE__);
505 common_debug('Error adding rememberme record for ' . $user->nickname, __FILE__);
508 common_log(LOG_INFO, 'adding rememberme cookie for ' . $user->nickname);
509 common_set_cookie(REMEMBERME,
510 implode(':', array($rm->user_id, $rm->code)),
511 time() + REMEMBERME_EXPIRY);
515 function common_remembered_user() {
518 $packed = isset($_COOKIE[REMEMBERME]) ? $_COOKIE[REMEMBERME] : '';
520 list($id, $code) = explode(':', $packed);
522 $rm = Remember_me::staticGet($code);
523 if ($rm && ($rm->user_id == $id)) {
524 $user = User::staticGet($rm->user_id);
527 $result = $rm->delete();
529 common_log_db_error($rm, 'DELETE', __FILE__);
532 common_log(LOG_INFO, 'logging in ' . $user->nickname . ' using rememberme code ' . $rm->code);
533 common_set_user($user->nickname);
534 common_real_login(false);
535 # We issue a new cookie, so they can log in
536 # automatically again after this session
537 common_rememberme($user);
546 # must be called with a valid user!
548 function common_forgetme() {
549 common_set_cookie(REMEMBERME, '', 0);
552 # who is the current user?
553 function common_current_user() {
554 if (isset($_REQUEST[session_name()]) || (isset($_SESSION['userid']) && $_SESSION['userid'])) {
555 common_ensure_session();
556 $id = $_SESSION['userid'];
558 # note: this should cache
559 $user = User::staticGet($id);
563 # that didn't work; try to remember
564 $user = common_remembered_user();
566 common_debug("Got User " . $user->nickname);
567 common_debug("Faking session on remembered user");
568 $_SESSION['userid'] = $user->id;
573 # Logins that are 'remembered' aren't 'real' -- they're subject to
574 # cookie-stealing. So, we don't let them do certain things. New reg,
575 # OpenID, and password logins _are_ real.
577 function common_real_login($real=true) {
578 common_ensure_session();
579 $_SESSION['real_login'] = $real;
582 function common_is_real_login() {
583 return common_logged_in() && $_SESSION['real_login'];
586 # get canonical version of nickname for comparison
587 function common_canonical_nickname($nickname) {
588 # XXX: UTF-8 canonicalization (like combining chars)
589 return strtolower($nickname);
592 # get canonical version of email for comparison
593 function common_canonical_email($email) {
594 # XXX: canonicalize UTF-8
595 # XXX: lcase the domain part
599 define('URL_REGEX', '^|[ \t\r\n])((ftp|http|https|gopher|mailto|news|nntp|telnet|wais|file|prospero|aim|webcal):(([A-Za-z0-9$_.+!*(),;/?:@&~=-])|%[A-Fa-f0-9]{2}){2,}(#([a-zA-Z0-9][a-zA-Z0-9$_.+!*(),;/?:@&~=%-]*))?([A-Za-z0-9$_+!*();/?:~-]))');
601 function common_render_content($text, $notice) {
602 $r = htmlspecialchars($text);
603 $id = $notice->profile_id;
604 $r = preg_replace('@https?://[^)\]>\s]+@', '<a href="\0" class="extlink">\0</a>', $r);
605 $r = preg_replace('/(^|\s+)@([a-z0-9]{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r);
606 $r = preg_replace('/^T ([A-Z0-9]{1,64}) /e', "'T '.common_at_link($id, '\\1').' '", $r);
607 $r = preg_replace('/(^|\s+)#([a-z0-9]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r);
612 function common_tag_link($tag) {
613 return '<a href="' . htmlspecialchars(common_path('tag/' . $tag)) . '" class="hashlink">' . $tag . '</a>';
616 function common_at_link($sender_id, $nickname) {
617 $sender = Profile::staticGet($sender_id);
618 $recipient = common_relative_profile($sender, $nickname);
620 return '<a href="'.htmlspecialchars($recipient->profileurl).'" class="atlink">'.$nickname.'</a>';
626 function common_relative_profile($sender, $nickname, $dt=NULL) {
627 # Try to find profiles this profile is subscribed to that have this nickname
628 $recipient = new Profile();
629 # XXX: use a join instead of a subquery
630 $recipient->whereAdd('EXISTS (SELECT subscribed from subscription where subscriber = '.$sender->id.' and subscribed = id)', 'AND');
631 $recipient->whereAdd('nickname = "' . trim($nickname) . '"', 'AND');
632 if ($recipient->find(TRUE)) {
633 # XXX: should probably differentiate between profiles with
634 # the same name by date of most recent update
637 # Try to find profiles that listen to this profile and that have this nickname
638 $recipient = new Profile();
639 # XXX: use a join instead of a subquery
640 $recipient->whereAdd('EXISTS (SELECT subscriber from subscription where subscribed = '.$sender->id.' and subscriber = id)', 'AND');
641 $recipient->whereAdd('nickname = "' . trim($nickname) . '"', 'AND');
642 if ($recipient->find(TRUE)) {
643 # XXX: should probably differentiate between profiles with
644 # the same name by date of most recent update
647 # If this is a local user, try to find a local user with that nickname.
648 $sender = User::staticGet($sender->id);
650 $recipient_user = User::staticGet('nickname', $nickname);
651 if ($recipient_user) {
652 return $recipient_user->getProfile();
655 # Otherwise, no links. @messages from local users to remote users,
656 # or from remote users to other remote users, are just
657 # outside our ability to make intelligent guesses about
661 // where should the avatar go for this user?
663 function common_avatar_filename($id, $extension, $size=NULL, $extra=NULL) {
667 return $id . '-' . $size . (($extra) ? ('-' . $extra) : '') . $extension;
669 return $id . '-original' . (($extra) ? ('-' . $extra) : '') . $extension;
673 function common_avatar_path($filename) {
675 return INSTALLDIR . '/avatar/' . $filename;
678 function common_avatar_url($filename) {
679 return common_path('avatar/'.$filename);
682 function common_avatar_display_url($avatar) {
683 $server = common_config('avatar', 'server');
685 return 'http://'.$server.'/'.$avatar->filename;
691 function common_default_avatar($size) {
692 static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
693 AVATAR_STREAM_SIZE => 'stream',
694 AVATAR_MINI_SIZE => 'mini');
695 return theme_path('default-avatar-'.$sizenames[$size].'.png');
698 function common_local_url($action, $args=NULL) {
700 if ($config['site']['fancy']) {
701 return common_fancy_url($action, $args);
703 return common_simple_url($action, $args);
707 function common_fancy_url($action, $args=NULL) {
708 switch (strtolower($action)) {
710 if ($args && isset($args['page'])) {
711 return common_path('?page=' . $args['page']);
713 return common_path('');
716 return common_path('rss');
718 return common_path('xrds');
720 return common_path('doc/'.$args['title']);
726 return common_path('main/'.$action);
727 case 'remotesubscribe':
728 if ($args && $args['nickname']) {
729 return common_path('main/remote?nickname=' . $args['nickname']);
731 return common_path('main/remote');
734 return common_path('main/openid');
737 return common_path('settings/'.$action);
738 case 'profilesettings':
739 return common_path('settings/profile');
740 case 'emailsettings':
741 return common_path('settings/email');
742 case 'openidsettings':
743 return common_path('settings/openid');
745 return common_path('settings/sms');
747 if ($args && $args['replyto']) {
748 return common_path('notice/new?replyto='.$args['replyto']);
750 return common_path('notice/new');
753 return common_path('notice/'.$args['notice']);
755 if ($args && $args['notice']) {
756 return common_path('deletenotice/'.$args['notice']);
758 return common_path('deletenotice/');
762 return common_path($args['nickname'].'/'.$action);
763 case 'subscriptions':
767 if ($args && isset($args['page'])) {
768 return common_path($args['nickname'].'/'.$action.'?page=' . $args['page']);
770 return common_path($args['nickname'].'/'.$action);
773 return common_path($args['nickname'].'/all/rss');
775 return common_path($args['nickname'].'/replies/rss');
777 return common_path($args['nickname'].'/rss');
779 if ($args && isset($args['page'])) {
780 return common_path($args['nickname'].'?page=' . $args['page']);
782 return common_path($args['nickname']);
784 case 'confirmaddress':
785 return common_path('main/confirmaddress/'.$args['code']);
787 return common_path('user/'.$args['id']);
788 case 'recoverpassword':
789 $path = 'main/recoverpassword';
791 $path .= '/' . $args['code'];
793 return common_path($path);
795 return common_path('settings/im');
797 return common_path('search/people' . (($args) ? ('?' . http_build_query($args)) : ''));
799 return common_path('search/notice' . (($args) ? ('?' . http_build_query($args)) : ''));
800 case 'noticesearchrss':
801 return common_path('search/notice/rss' . (($args) ? ('?' . http_build_query($args)) : ''));
802 case 'avatarbynickname':
803 return common_path($args['nickname'].'/avatar/'.$args['size']);
805 if (isset($args['tag']) && $args['tag']) {
806 $path = 'tag/' . $args['tag'];
811 return common_path($path . (($args) ? ('?' . http_build_query($args)) : ''));
813 return common_path('tags' . (($args) ? ('?' . http_build_query($args)) : ''));
815 return common_simple_url($action, $args);
819 function common_simple_url($action, $args=NULL) {
821 /* XXX: pretty URLs */
824 foreach ($args as $key => $value) {
825 $extra .= "&${key}=${value}";
828 return common_path("index.php?action=${action}${extra}");
831 function common_path($relative) {
833 $pathpart = ($config['site']['path']) ? $config['site']['path']."/" : '';
834 return "http://".$config['site']['server'].'/'.$pathpart.$relative;
837 function common_date_string($dt) {
838 // XXX: do some sexy date formatting
839 // return date(DATE_RFC822, $dt);
844 if ($now < $t) { # that shouldn't happen!
845 return common_exact_date($dt);
846 } else if ($diff < 60) {
847 return _('a few seconds ago');
848 } else if ($diff < 92) {
849 return _('about a minute ago');
850 } else if ($diff < 3300) {
851 return sprintf(_('about %d minutes ago'), round($diff/60));
852 } else if ($diff < 5400) {
853 return _('about an hour ago');
854 } else if ($diff < 22 * 3600) {
855 return sprintf(_('about %d hours ago'), round($diff/3600));
856 } else if ($diff < 37 * 3600) {
857 return _('about a day ago');
858 } else if ($diff < 24 * 24 * 3600) {
859 return sprintf(_('about %d days ago'), round($diff/(24*3600)));
860 } else if ($diff < 46 * 24 * 3600) {
861 return _('about a month ago');
862 } else if ($diff < 330 * 24 * 3600) {
863 return sprintf(_('about %d months ago'), round($diff/(30*24*3600)));
864 } else if ($diff < 480 * 24 * 3600) {
865 return _('about a year ago');
867 return common_exact_date($dt);
871 function common_exact_date($dt) {
873 return date(DATE_RFC850, $t);
876 function common_date_w3dtf($dt) {
878 return date(DATE_W3C, $t);
881 function common_date_rfc2822($dt) {
883 return date("r", $t);
886 function common_date_iso8601($dt) {
888 return date("c", $t);
891 function common_redirect($url, $code=307) {
892 static $status = array(301 => "Moved Permanently",
895 307 => "Temporary Redirect");
896 header("Status: ${code} $status[$code]");
897 header("Location: $url");
899 common_start_xml('a',
900 '-//W3C//DTD XHTML 1.0 Strict//EN',
901 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
902 common_element('a', array('href' => $url), $url);
907 function common_save_replies($notice) {
908 # Alternative reply format
910 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $notice->content, $match)) {
913 # extract all @messages
914 $cnt = preg_match_all('/(?:^|\s)@([a-z0-9]{1,64})/', $notice->content, $match);
915 if (!$cnt && !$tname) {
918 # XXX: is there another way to make an array copy?
919 $names = ($tname) ? array_unique(array_merge(array(strtolower($tname)), $match[1])) : array_unique($match[1]);
920 $sender = Profile::staticGet($notice->profile_id);
921 # store replied only for first @ (what user/notice what the reply directed,
922 # we assume first @ is it)
923 for ($i=0; $i<count($names); $i++) {
924 $nickname = $names[$i];
925 $recipient = common_relative_profile($sender, $nickname, $notice->created);
929 if ($i == 0 && ($recipient->id != $sender->id)) { # Don't save reply to self
930 $reply_for = $recipient;
931 $recipient_notice = $reply_for->getCurrentNotice();
932 $orig = clone($notice);
933 $notice->reply_to = $recipient_notice->id;
934 $notice->update($orig);
936 $reply = new Reply();
937 $reply->notice_id = $notice->id;
938 $reply->profile_id = $recipient->id;
939 $id = $reply->insert();
941 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
942 common_log(LOG_ERR, 'DB error inserting reply: ' . $last_error->message);
943 common_server_error(sprintf(_('DB error inserting reply: %s'), $last_error->message));
949 function common_broadcast_notice($notice, $remote=false) {
950 if (common_config('queue', 'enabled')) {
952 return common_enqueue_notice($notice);
954 return common_real_broadcast($notice, $remote);
958 # Stick the notice on the queue
960 function common_enqueue_notice($notice) {
961 $qi = new Queue_item();
962 $qi->notice_id = $notice->id;
963 $qi->created = $notice->created;
964 $result = $qi->insert();
966 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
967 common_log(LOG_ERR, 'DB error inserting queue item: ' . $last_error->message);
970 common_log(LOG_DEBUG, 'complete queueing notice ID = ' . $notice->id);
974 function common_dequeue_notice($notice) {
975 $qi = Queue_Item::staticGet($notice->id);
977 $result = $qi->delete();
979 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
980 common_log(LOG_ERROR, 'DB error deleting queue item: ' . $last_error->message);
983 common_log(LOG_DEBUG, 'complete dequeueing notice ID = ' . $notice->id);
990 function common_real_broadcast($notice, $remote=false) {
993 # Make sure we have the OMB stuff
994 require_once(INSTALLDIR.'/lib/omb.php');
995 $success = omb_broadcast_remote_subscribers($notice);
997 common_log(LOG_ERR, 'Error in OMB broadcast for notice ' . $notice->id);
1001 require_once(INSTALLDIR.'/lib/jabber.php');
1002 $success = jabber_broadcast_notice($notice);
1004 common_log(LOG_ERR, 'Error in jabber broadcast for notice ' . $notice->id);
1008 require_once(INSTALLDIR.'/lib/mail.php');
1009 $success = mail_broadcast_notice_sms($notice);
1011 common_log(LOG_ERR, 'Error in sms broadcast for notice ' . $notice->id);
1014 // XXX: broadcast notices to other IM
1018 function common_broadcast_profile($profile) {
1019 // XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
1020 require_once(INSTALLDIR.'/lib/omb.php');
1021 omb_broadcast_profile($profile);
1022 // XXX: Other broadcasts...?
1026 function common_profile_url($nickname) {
1027 return common_local_url('showstream', array('nickname' => $nickname));
1030 # Don't call if nobody's logged in
1032 function common_notice_form($action=NULL, $content=NULL) {
1033 $user = common_current_user();
1034 assert(!is_null($user));
1035 common_element_start('form', array('id' => 'status_form',
1037 'action' => common_local_url('newnotice')));
1038 common_element_start('p');
1039 common_element('label', array('for' => 'status_textarea',
1040 'id' => 'status_label'),
1041 sprintf(_('What\'s up, %s?'), $user->nickname));
1042 common_element('span', array('id' => 'counter', 'class' => 'counter'), '140');
1043 common_element('textarea', array('id' => 'status_textarea',
1046 'name' => 'status_textarea'),
1047 ($content) ? $content : '');
1049 common_hidden('returnto', $action);
1051 common_element('input', array('id' => 'status_submit',
1052 'name' => 'status_submit',
1054 'value' => _('Send')));
1055 common_element_end('p');
1056 common_element_end('form');
1059 # Should make up a reasonable root URL
1061 function common_root_url() {
1062 return common_path('');
1065 # returns $bytes bytes of random data as a hexadecimal string
1066 # "good" here is a goal and not a guarantee
1068 function common_good_rand($bytes) {
1069 # XXX: use random.org...?
1070 if (file_exists('/dev/urandom')) {
1071 return common_urandom($bytes);
1072 } else { # FIXME: this is probably not good enough
1073 return common_mtrand($bytes);
1077 function common_urandom($bytes) {
1078 $h = fopen('/dev/urandom', 'rb');
1080 $src = fread($h, $bytes);
1083 for ($i = 0; $i < $bytes; $i++) {
1084 $enc .= sprintf("%02x", (ord($src[$i])));
1089 function common_mtrand($bytes) {
1091 for ($i = 0; $i < $bytes; $i++) {
1092 $enc .= sprintf("%02x", mt_rand(0, 255));
1097 function common_set_returnto($url) {
1098 common_ensure_session();
1099 $_SESSION['returnto'] = $url;
1102 function common_get_returnto() {
1103 common_ensure_session();
1104 return $_SESSION['returnto'];
1107 function common_timestamp() {
1108 return date('YmdHis');
1111 function common_ensure_syslog() {
1112 static $initialized = false;
1113 if (!$initialized) {
1115 openlog($config['syslog']['appname'], 0, LOG_USER);
1116 $initialized = true;
1120 function common_log($priority, $msg, $filename=NULL) {
1121 $logfile = common_config('site', 'logfile');
1123 $log = fopen($logfile, "a");
1125 static $syslog_priorities = array('LOG_EMERG', 'LOG_ALERT', 'LOG_CRIT', 'LOG_ERR',
1126 'LOG_WARNING', 'LOG_NOTICE', 'LOG_INFO', 'LOG_DEBUG');
1127 $output = date('Y-m-d H:i:s') . ' ' . $syslog_priorities[$priority] . ': ' . $msg . "\n";
1128 fwrite($log, $output);
1132 common_ensure_syslog();
1133 syslog($priority, $msg);
1137 function common_debug($msg, $filename=NULL) {
1139 common_log(LOG_DEBUG, basename($filename).' - '.$msg);
1141 common_log(LOG_DEBUG, $msg);
1145 function common_log_db_error(&$object, $verb, $filename=NULL) {
1146 $objstr = common_log_objstring($object);
1147 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
1148 common_log(LOG_ERR, $last_error->message . '(' . $verb . ' on ' . $objstr . ')', $filename);
1151 function common_log_objstring(&$object) {
1152 if (is_null($object)) {
1155 $arr = $object->toArray();
1157 foreach ($arr as $k => $v) {
1158 $fields[] = "$k='$v'";
1160 $objstring = $object->tableName() . '[' . implode(',', $fields) . ']';
1164 function common_valid_http_url($url) {
1165 return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
1168 function common_valid_tag($tag) {
1169 if (preg_match('/^tag:(.*?),(\d{4}(-\d{2}(-\d{2})?)?):(.*)$/', $tag, $matches)) {
1170 return (Validate::email($matches[1]) ||
1171 preg_match('/^([\w-\.]+)$/', $matches[1]));
1176 # Does a little before-after block for next/prev page
1178 function common_pagination($have_before, $have_after, $page, $action, $args=NULL) {
1180 if ($have_before || $have_after) {
1181 common_element_start('div', array('id' => 'pagination'));
1182 common_element_start('ul', array('id' => 'nav_pagination'));
1186 $pargs = array('page' => $page-1);
1187 $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
1189 common_element_start('li', 'before');
1190 common_element('a', array('href' => common_local_url($action, $newargs)),
1192 common_element_end('li');
1196 $pargs = array('page' => $page+1);
1197 $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
1198 common_element_start('li', 'after');
1199 common_element('a', array('href' => common_local_url($action, $newargs)),
1201 common_element_end('li');
1204 if ($have_before || $have_after) {
1205 common_element_end('ul');
1206 common_element_end('div');
1210 /* Following functions are copied from MediaWiki GlobalFunctions.php
1211 * and written by Evan Prodromou. */
1213 function common_accept_to_prefs($accept, $def = '*/*') {
1214 # No arg means accept anything (per HTTP spec)
1216 return array($def => 1);
1221 $parts = explode(',', $accept);
1223 foreach($parts as $part) {
1224 # FIXME: doesn't deal with params like 'text/html; level=1'
1225 @list($value, $qpart) = explode(';', $part);
1227 if(!isset($qpart)) {
1229 } elseif(preg_match('/q\s*=\s*(\d*\.\d+)/', $qpart, $match)) {
1230 $prefs[$value] = $match[1];
1237 function common_mime_type_match($type, $avail) {
1238 if(array_key_exists($type, $avail)) {
1241 $parts = explode('/', $type);
1242 if(array_key_exists($parts[0] . '/*', $avail)) {
1243 return $parts[0] . '/*';
1244 } elseif(array_key_exists('*/*', $avail)) {
1252 function common_negotiate_type($cprefs, $sprefs) {
1255 foreach(array_keys($sprefs) as $type) {
1256 $parts = explode('/', $type);
1257 if($parts[1] != '*') {
1258 $ckey = common_mime_type_match($type, $cprefs);
1260 $combine[$type] = $sprefs[$type] * $cprefs[$ckey];
1265 foreach(array_keys($cprefs) as $type) {
1266 $parts = explode('/', $type);
1267 if($parts[1] != '*' && !array_key_exists($type, $sprefs)) {
1268 $skey = common_mime_type_match($type, $sprefs);
1270 $combine[$type] = $sprefs[$skey] * $cprefs[$type];
1276 $besttype = "text/html";
1278 foreach(array_keys($combine) as $type) {
1279 if($combine[$type] > $bestq) {
1281 $bestq = $combine[$type];
1288 function common_config($main, $sub) {
1290 return $config[$main][$sub];
1293 function common_copy_args($from) {
1295 $strip = get_magic_quotes_gpc();
1296 foreach ($from as $k => $v) {
1297 $to[$k] = ($strip) ? stripslashes($v) : $v;
1302 function common_user_uri(&$user) {
1303 return common_local_url('userbyid', array('id' => $user->id));
1306 function common_notice_uri(&$notice) {
1307 return common_local_url('shownotice',
1308 array('notice' => $notice->id));
1311 # 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
1313 function common_confirmation_code($bits) {
1314 # 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
1315 static $codechars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
1316 $chars = ceil($bits/5);
1318 for ($i = 0; $i < $chars; $i++) {
1319 # XXX: convert to string and back
1320 $num = hexdec(common_good_rand(1));
1321 # XXX: randomness is too precious to throw away almost
1322 # 40% of the bits we get!
1323 $code .= $codechars[$num%32];
1328 # convert markup to HTML
1330 function common_markup_to_html($c) {
1331 $c = preg_replace('/%%action.(\w+)%%/e', "common_local_url('\\1')", $c);
1332 $c = preg_replace('/%%doc.(\w+)%%/e', "common_local_url('doc', array('title'=>'\\1'))", $c);
1333 $c = preg_replace('/%%(\w+).(\w+)%%/e', 'common_config(\'\\1\', \'\\2\')', $c);
1334 return Markdown($c);
1337 function common_profile_avatar_url($profile, $size=AVATAR_PROFILE_SIZE) {
1338 $avatar = $profile->getAvatar($size);
1340 return common_avatar_display_url($avatar);
1342 return common_default_avatar($size);
1346 function common_profile_uri($profile) {
1350 $user = User::staticGet($profile->id);
1355 $remote = Remote_profile::staticGet($profile->id);
1357 return $remote->uri;
1359 # XXX: this is a very bad profile!
1363 function common_canonical_sms($sms) {
1365 preg_replace('/\D/', '', $sms);