]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - lib/util.php
use a static rather than a constant for code chars
[quix0rs-gnu-social.git] / lib / util.php
index 900149fc22bfd10cf37b457152aacb1f503718c4..d990b8e1f0970973ae2db300d6852ea48293603a 100644 (file)
@@ -123,10 +123,24 @@ function common_end_xml() {
        $xw->flush();
 }
 
-function common_show_header($pagetitle, $callable=NULL, $data=NULL, $notice=NULL) {
+define('PAGE_TYPE_PREFS', 'application/xhtml+xml,text/html;q=0.7,application/xml;q=0.3,text/xml;q=0.2');
+
+function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=NULL) {
        global $config, $xw;
 
-       header('Content-Type: application/xhtml+xml');
+       $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : NULL;
+
+       # XXX: allow content negotiation for RDF, RSS, or XRDS
+
+       $type = common_negotiate_type(common_accept_to_prefs($httpaccept),
+                                                                 common_accept_to_prefs(PAGE_TYPE_PREFS));
+
+       if (!$type) {
+               common_client_error(_t('This page is not available in a media type you accept'), 406);
+               exit(0);
+       }
+
+       header('Content-Type: '.$type);
 
        common_start_xml('html',
                                         '-//W3C//DTD XHTML 1.0 Strict//EN',
@@ -152,6 +166,11 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL, $notice=NULL
                                                          'href="'.theme_path('ie'.$ver.'.css').' /><![endif]');
                }
        }
+
+       common_element('script', array('type' => 'text/javascript',
+                                                                  'src' => common_path('js/jquery.min.js')),
+                                  ' ');
+
        if ($callable) {
                if ($data) {
                        call_user_func($callable, $data);
@@ -164,20 +183,33 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL, $notice=NULL
        common_element_start('div', array('id' => 'wrap'));
        common_element_start('div', array('id' => 'header'));
        common_nav_menu();
-       common_element_start('a', array('href' => common_local_url('public')));
-       common_element('img', array('src' => ($config['site']['logo']) ? 
-                                                               ($config['site']['logo']) : theme_path('logo.png'),
-                                                               'alt' => $config['site']['name'],
-                                                               'id' => 'logo'));
-       common_element_end('a');
-       if (common_logged_in()) {
-               common_notice_form();
+       if ((is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
+               || file_exists(theme_file('logo.png')))
+       {
+               common_element_start('a', array('href' => common_local_url('public')));
+               common_element('img', array('src' => ($config['site']['logo']) ?
+                                                                       ($config['site']['logo']) : theme_path('logo.png'),
+                                                                       'alt' => $config['site']['name'],
+                                                                       'id' => 'logo'));
+               common_element_end('a');
+       } else {
+               common_element_start('p', array('id' => 'branding'));
+               common_element('a', array('href' => common_local_url('public')),
+                                          $config['site']['name']);
+               common_element_end('p');
+       }
+
+       common_element('h1', 'pagetitle', $pagetitle);
+
+       if ($headercall) {
+               if ($data) {
+                       call_user_func($headercall, $data);
+               } else {
+                       call_user_func($headercall);
+               }
        }
        common_element_end('div');
        common_element_start('div', array('id' => 'content'));
-       if (common_logged_in()) {
-               common_views_menu();
-       }
 }
 
 function common_show_footer() {
@@ -185,6 +217,16 @@ function common_show_footer() {
        common_element_end('div'); # content div
        common_foot_menu();
        common_element_start('div', array('id' => 'footer'));
+       common_element_start('p', 'laconica');
+       common_text(_t('This site is running the '));
+       common_element('a', array('class' => 'software',
+                                                         href => 'http://laconi.ca/'),
+                                  'Laconica');
+       common_text(_t('microblogging tool, version ' . LACONICA_VERSION . ', available under the '));
+       common_element('a', array(href => 'http://www.fsf.org/licensing/licenses/agpl-3.0.html'),
+                                  'GNU Affero General Public License');
+       common_text(_t('.'));
+       common_element_end('p');
        common_element('img', array('id' => 'cc',
                                                                'src' => $config['license']['image'],
                                                                'alt' => $config['license']['title']));
@@ -216,6 +258,10 @@ function common_raw($xml) {
 function common_nav_menu() {
        $user = common_current_user();
        common_element_start('ul', array('id' => 'nav'));
+       if ($user) {
+               common_menu_item(common_local_url('all', array('nickname' => $user->nickname)),
+                                                _t('Home'));
+       }
        common_menu_item(common_local_url('public'), _t('Public'));
        common_menu_item(common_local_url('doc', array('title' => 'help')),
                                         _t('Help'));
@@ -227,22 +273,11 @@ function common_nav_menu() {
        } else {
                common_menu_item(common_local_url('login'), _t('Login'));
                common_menu_item(common_local_url('register'), _t('Register'));
+               common_menu_item(common_local_url('openidlogin'), _t('OpenID'));
        }
        common_element_end('ul');
 }
 
-function common_views_menu() {
-       $user = common_current_user();
-       common_element_start('ul', array('id' => 'nav_views'));
-       common_menu_item(common_local_url('all', array('nickname' =>
-                                                                                                  $user->nickname)),
-                                        _t('Home'));
-       common_menu_item(common_local_url('showstream', array('nickname' =>
-                                                                                                                 $user->nickname)),
-                                        _t('Profile'),  $user->fullname || $user->nickname);
-       common_element_end('ul');
-}
-
 function common_foot_menu() {
        common_element_start('ul', array('id' => 'nav_sub'));
        common_menu_item(common_local_url('doc', array('title' => 'about')),
@@ -254,17 +289,21 @@ function common_foot_menu() {
        common_element_end('ul');
 }
 
-function common_menu_item($url, $text, $title=NULL) {
+function common_menu_item($url, $text, $title=NULL, $is_selected=false) {
+       $lattrs = array();
+       if ($is_selected) {
+               $lattrs['class'] = 'current';
+       }
+       common_element_start('li', $lattrs);
        $attrs['href'] = $url;
        if ($title) {
                $attrs['title'] = $title;
        }
-       common_element_start('li');
        common_element('a', $attrs, $text);
        common_element_end('li');
 }
 
-function common_input($id, $label, $value=NULL) {
+function common_input($id, $label, $value=NULL,$instructions=NULL) {
        common_element_start('p');
        common_element('label', array('for' => $id), $label);
        $attrs = array('name' => $id,
@@ -274,6 +313,9 @@ function common_input($id, $label, $value=NULL) {
                $attrs['value'] = htmlspecialchars($value);
        }
        common_element('input', $attrs);
+       if ($instructions) {
+               common_element('span', 'input_instructions', $instructions);
+       }
        common_element_end('p');
 }
 
@@ -284,46 +326,48 @@ function common_hidden($id, $value) {
                                                                  'value' => $value));
 }
 
-function common_password($id, $label) {
+function common_password($id, $label, $instructions=NULL) {
        common_element_start('p');
        common_element('label', array('for' => $id), $label);
        $attrs = array('name' => $id,
                                   'type' => 'password',
                                   'id' => $id);
        common_element('input', $attrs);
+       if ($instructions) {
+               common_element('span', 'input_instructions', $instructions);
+       }
        common_element_end('p');
 }
 
 function common_submit($id, $label) {
        global $xw;
        common_element_start('p');
-       common_element_start('label', array('for' => $id));
-       $xw->writeRaw('&nbsp;');
-       common_element_end('label');
        common_element('input', array('type' => 'submit',
                                                                  'id' => $id,
                                                                  'name' => $id,
-                                                                 'value' => $label,
-                                                                 'class' => 'button'));
+                                                                 'class' => 'submit',
+                                                                 'value' => $label));
        common_element_end('p');
 }
 
-function common_textarea($id, $label, $content=NULL) {
+function common_textarea($id, $label, $content=NULL, $instructions=NULL) {
        common_element_start('p');
        common_element('label', array('for' => $id), $label);
        common_element('textarea', array('rows' => 3,
                                                                         'cols' => 40,
                                                                         'name' => $id,
-                                                                        'id' => $id,
-                                                                        'class' => 'width50'),
+                                                                        'id' => $id),
                                   ($content) ? $content : ' ');
+       if ($instructions) {
+               common_element('span', 'input_instructions', $instructions);
+       }
        common_element_end('p');
 }
 
 # salted, hashed passwords are stored in the DB
 
-function common_munge_password($id, $password) {
-       return md5($id . $password);
+function common_munge_password($password, $id) {
+       return md5($password . $id);
 }
 
 # check if a username exists and has matching password
@@ -371,13 +415,10 @@ function common_set_user($nickname) {
 
 # who is the current user?
 function common_current_user() {
-       static $user = NULL; # FIXME: global memcached
-       if (is_null($user)) {
-               common_ensure_session();
-               $id = $_SESSION['userid'];
-               if ($id) {
-                       $user = User::staticGet($id);
-               }
+       common_ensure_session();
+       $id = $_SESSION['userid'];
+       if ($id) {
+               $user = User::staticGet($id);
        }
        return $user;
 }
@@ -401,7 +442,7 @@ function common_render_content($text, $notice) {
        $r = htmlspecialchars($text);
        $id = $notice->profile_id;
        $r = preg_replace('@https?://\S+@', '<a href="\0" class="extlink">\0</a>', $r);
-       $r = preg_replace('/(^|\b)@([\w-]+)($|\b)/e', "'\\1@'.common_at_link($id, '\\2').'\\3'", $r);
+       $r = preg_replace('/(^|\s+)@([a-z0-9]{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r);
        # XXX: # tags
        # XXX: machine tags
        return $r;
@@ -429,8 +470,7 @@ function common_at_link($sender_id, $nickname) {
        if ($sender) {
                $recipient_user = User::staticGet('nickname', $nickname);
                if ($recipient_user) {
-                       $recipient = $recipient->getProfile();
-                       return '<a href="'.htmlspecialchars($recipient->profileurl).'" class="atlink usertouser">'.$nickname.'</a>';
+                       return '<a href="'.htmlspecialchars(common_profile_url($nickname)).'" class="atlink usertouser">'.$nickname.'</a>';
                }
        }
        # Otherwise, no links. @messages from local users to remote users,
@@ -464,9 +504,7 @@ function common_default_avatar($size) {
        static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
                                                          AVATAR_STREAM_SIZE => 'stream',
                                                          AVATAR_MINI_SIZE => 'mini');
-       global $config;
-
-       return common_path($config['avatar']['default'][$sizenames[$size]]);
+       return theme_path('default-avatar-'.$sizenames[$size].'.png');
 }
 
 function common_local_url($action, $args=NULL) {
@@ -481,9 +519,15 @@ function common_local_url($action, $args=NULL) {
 function common_fancy_url($action, $args=NULL) {
        switch (strtolower($action)) {
         case 'public':
-               return common_path('');
+               if ($args && $args['page']) {
+                       return common_path('?page=' . $args['page']);
+               } else {
+                       return common_path('');
+               }
         case 'publicrss':
                return common_path('rss');
+        case 'publicxrds':
+               return common_path('xrds');
         case 'doc':
                return common_path('doc/'.$args['title']);
         case 'login':
@@ -492,27 +536,44 @@ function common_fancy_url($action, $args=NULL) {
         case 'subscribe':
         case 'unsubscribe':
                return common_path('main/'.$action);
+        case 'openidlogin':
+               return common_path('main/openid');
         case 'avatar':
         case 'password':
                return common_path('settings/'.$action);
         case 'profilesettings':
                return common_path('settings/profile');
+        case 'openidsettings':
+               return common_path('settings/openid');
         case 'newnotice':
                return common_path('notice/new');
         case 'shownotice':
                return common_path('notice/'.$args['notice']);
-        case 'subscriptions':
-        case 'subscribed':
-        case 'xrds':           
-        case 'all':
+        case 'xrds':
         case 'foaf':
                return common_path($args['nickname'].'/'.$action);
+        case 'subscriptions':
+        case 'subscribers':
+        case 'all':
+               if ($args && $args['page']) {
+                       return common_path($args['nickname'].'/'.$action.'?page=' . $args['page']);
+               } else {
+                       return common_path($args['nickname'].'/'.$action);
+               }
         case 'allrss':
                return common_path($args['nickname'].'/all/rss');
         case 'userrss':
                return common_path($args['nickname'].'/rss');
         case 'showstream':
-               return common_path($args['nickname']);
+               if ($args && $args['page']) {
+                       return common_path($args['nickname'].'?page=' . $args['page']);
+               } else {
+                       return common_path($args['nickname']);
+               }
+        case 'confirmaddress':
+               return common_path('main/confirmaddress/'.$args['code']);
+        case 'userbyid':
+               return common_path('user/'.$args['id']);
         default:
                return common_simple_url($action, $args);
        }
@@ -554,7 +615,12 @@ function common_redirect($url, $code=307) {
                                                   307 => "Temporary Redirect");
        header("Status: ${code} $status[$code]");
        header("Location: $url");
+
+       common_start_xml('a',
+                                        '-//W3C//DTD XHTML 1.0 Strict//EN',
+                                        'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
        common_element('a', array('href' => $url), $url);
+       common_end_xml();
 }
 
 function common_broadcast_notice($notice, $remote=false) {
@@ -570,6 +636,13 @@ function common_broadcast_notice($notice, $remote=false) {
        return true;
 }
 
+function common_broadcast_profile($profile) {
+       // XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
+       require_once(INSTALLDIR.'/lib/omb.php');
+       omb_broadcast_profile($profile);
+       // XXX: Other broadcasts...?
+       return true;
+}
 
 function common_profile_url($nickname) {
        return common_local_url('showstream', array('nickname' => $nickname));
@@ -577,7 +650,7 @@ function common_profile_url($nickname) {
 
 # Don't call if nobody's logged in
 
-function common_notice_form() {
+function common_notice_form($action=NULL) {
        $user = common_current_user();
        assert(!is_null($user));
        common_element_start('form', array('id' => 'status_form',
@@ -587,8 +660,14 @@ function common_notice_form() {
        common_element('label', array('for' => 'status_update',
                                                                  'id' => 'status_label'),
                                   _t('What\'s up, ').$user->nickname.'?');
-       common_element('textarea', array('id' => 'status_textarea'));
+       common_element('textarea', array('id' => 'status_textarea',
+                                                                        'name' => 'status_textarea'),
+                                  ' ');
+       if ($action) {
+               common_hidden('returnto', $action);
+       }
        common_element('input', array('id' => 'status_submit',
+                                                                 'name' => 'status_submit',
                                                                  'type' => 'submit',
                                                                  'value' => _t('Send')));
        common_element_end('p');
@@ -683,6 +762,25 @@ function common_debug($msg, $filename=NULL) {
        }
 }
 
+function common_log_db_error(&$object, $verb, $filename=NULL) {
+       $objstr = common_log_objstring($object);
+       $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+       common_log(LOG_ERROR, $last_error->message . '(' . $verb . ' on ' . $objstr . ')', $filename);
+}
+
+function common_log_objstring(&$object) {
+       if (is_null($object)) {
+               return "NULL";
+       }
+       $arr = $object->toArray();
+       $fields = array();
+       foreach ($arr as $k => $v) {
+               $fields[] = "$k='$v'";
+       }
+       $objstring = $object->tableName() . '[' . implode(',', $fields) . ']';
+       return $objstring;
+}
+
 function common_valid_http_url($url) {
        return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
 }
@@ -697,20 +795,20 @@ function common_valid_tag($tag) {
 
 # Does a little before-after block for next/prev page
 
-function common_pagination($have_before, $have_after, $page, $action, $args=NULL) {            
-       
+function common_pagination($have_before, $have_after, $page, $action, $args=NULL) {
+
        if ($have_before || $have_after) {
                common_element_start('div', array('id' => 'pagination'));
                common_element_start('ul', array('id' => 'nav_pagination'));
        }
-       
+
        if ($have_before) {
                $pargs = array('page' => $page-1);
                $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
-                                                                                
+
                common_element_start('li', 'before');
                common_element('a', array('href' => common_local_url($action, $newargs)),
-                                          _t('« Before'));
+                                          _t('« After'));
                common_element_end('li');
        }
 
@@ -719,12 +817,128 @@ function common_pagination($have_before, $have_after, $page, $action, $args=NULL
                $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
                common_element_start('li', 'after');
                common_element('a', array('href' => common_local_url($action, $newargs)),
-                                                  _t('After »'));
+                                                  _t('Before »'));
                common_element_end('li');
        }
-       
+
        if ($have_before || $have_after) {
                common_element_end('ul');
                common_element_end('div');
        }
 }
+
+/* Following functions are copied from MediaWiki GlobalFunctions.php
+ * and written by Evan Prodromou. */
+
+function common_accept_to_prefs($accept, $def = '*/*') {
+       # No arg means accept anything (per HTTP spec)
+       if(!$accept) {
+               return array($def => 1);
+       }
+
+       $prefs = array();
+
+       $parts = explode(',', $accept);
+
+       foreach($parts as $part) {
+               # FIXME: doesn't deal with params like 'text/html; level=1'
+               @list($value, $qpart) = explode(';', $part);
+               $match = array();
+               if(!isset($qpart)) {
+                       $prefs[$value] = 1;
+               } elseif(preg_match('/q\s*=\s*(\d*\.\d+)/', $qpart, $match)) {
+                       $prefs[$value] = $match[1];
+               }
+       }
+
+       return $prefs;
+}
+
+function common_mime_type_match($type, $avail) {
+       if(array_key_exists($type, $avail)) {
+               return $type;
+       } else {
+               $parts = explode('/', $type);
+               if(array_key_exists($parts[0] . '/*', $avail)) {
+                       return $parts[0] . '/*';
+               } elseif(array_key_exists('*/*', $avail)) {
+                       return '*/*';
+               } else {
+                       return NULL;
+               }
+       }
+}
+
+function common_negotiate_type($cprefs, $sprefs) {
+       $combine = array();
+
+       foreach(array_keys($sprefs) as $type) {
+               $parts = explode('/', $type);
+               if($parts[1] != '*') {
+                       $ckey = common_mime_type_match($type, $cprefs);
+                       if($ckey) {
+                               $combine[$type] = $sprefs[$type] * $cprefs[$ckey];
+                       }
+               }
+       }
+
+       foreach(array_keys($cprefs) as $type) {
+               $parts = explode('/', $type);
+               if($parts[1] != '*' && !array_key_exists($type, $sprefs)) {
+                       $skey = common_mime_type_match($type, $sprefs);
+                       if($skey) {
+                               $combine[$type] = $sprefs[$skey] * $cprefs[$type];
+                       }
+               }
+       }
+
+       $bestq = 0;
+       $besttype = NULL;
+
+       foreach(array_keys($combine) as $type) {
+               if($combine[$type] > $bestq) {
+                       $besttype = $type;
+                       $bestq = $combine[$type];
+               }
+       }
+
+       return $besttype;
+}
+
+function common_config($main, $sub) {
+       global $config;
+       return $config[$main][$sub];
+}
+
+function common_copy_args($from) {
+       $to = array();
+       $strip = get_magic_quotes_gpc();
+       foreach ($from as $k => $v) {
+               $to[$k] = ($strip) ? stripslashes($v) : $v;
+       }
+       return $to;
+}
+
+function common_user_uri(&$user) {
+       return common_local_url('userbyid', array('id' => $user->id));
+}
+
+function common_notice_uri(&$notice) {
+       return common_local_url('shownotice', 
+               array('notice' => $notice->id));
+}
+
+# 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
+
+function common_confirmation_code($bits) {
+       # 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
+       static $codechars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
+       $chars = ceil($bits/5);
+       $code = '';
+       for ($i = 0; $i < $chars; $i++) {
+               # XXX: convert to string and back
+               $num = hexdec(common_good_rand(1));
+               $code .= $codechars[$num%32];
+       }
+       return $code;
+}