includes/page_header.php

   1 <?php
   2 /***************************************************************************
   3  *                              page_header.php
   4  *                            -------------------
   5  *   begin                : Saturday, Feb 13, 2001
   6  *   copyright            : (C) 2001 The phpBB Group
   7  *   email                : support@phpbb.com
   8  *
   9  *   $Id: page_header.php,v 1.106.2.25 2005/10/30 15:17:14 acydburn Exp $
  10  *
  11  *
  12  ***************************************************************************/
  13
  14 /***************************************************************************
  15  *
  16  *   This program is free software; you can redistribute it and/or modify
  17  *   it under the terms of the GNU General Public License as published by
  18  *   the Free Software Foundation; either version 2 of the License, or
  19  *   (at your option) any later version.
  20  *
  21  ***************************************************************************/
  22
  23 if ( !defined('IN_PHPBB') )
  24 {
  25         die("Hacking attempt");
  26 }
  27
  28 define('HEADER_INC', TRUE);
  29
  30 //
  31 // gzip_compression
  32 //
  33 $do_gzip_compress = FALSE;
  34 if ( $board_config['gzip_compress'] )
  35 {
  36         $phpver = phpversion();
  37
  38         $useragent = (isset($HTTP_SERVER_VARS['HTTP_USER_AGENT'])) ? $HTTP_SERVER_VARS['HTTP_USER_AGENT'] : getenv('HTTP_USER_AGENT');
  39
  40         if ( $phpver >= '4.0.4pl1' && ( strstr($useragent,'compatible') || strstr($useragent,'Gecko') ) )
  41         {
  42                 if ( extension_loaded('zlib') )
  43                 {
  44                         ob_start('ob_gzhandler');
  45                 }
  46         }
  47         else if ( $phpver > '4.0' )
  48         {
  49                 if ( strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip') )
  50                 {
  51                         if ( extension_loaded('zlib') )
  52                         {
  53                                 $do_gzip_compress = TRUE;
  54                                 ob_start();
  55                                 ob_implicit_flush(0);
  56
  57                                 header('Content-Encoding: gzip');
  58                         }
  59                 }
  60         }
  61 }
  62
  63 //
  64 // Parse and show the overall header.
  65 //
  66 $template->set_filenames(array(
  67         'overall_header' => ( empty($gen_simple_header) ) ? 'overall_header.tpl' : 'simple_header.tpl')
  68 );
  69
  70 //
  71 // Generate logged in/logged out status
  72 //
  73 if ( $userdata['session_logged_in'] )
  74 {
  75         $u_login_logout = 'login.'.$phpEx.'?logout=true&amp;sid=' . $userdata['session_id'];
  76         $l_login_logout = $lang['Logout'] . ' [ ' . $userdata['username'] . ' ]';
  77 }
  78 else
  79 {
  80         $u_login_logout = 'login.'.$phpEx;
  81         $l_login_logout = $lang['Login'];
  82 }
  83
  84 $s_last_visit = ( $userdata['session_logged_in'] ) ? create_date($board_config['default_dateformat'], $userdata['user_lastvisit'], $board_config['board_timezone']) : '';
  85
  86 //
  87 // Get basic (usernames + totals) online
  88 // situation
  89 //
  90 $logged_visible_online = 0;
  91 $logged_hidden_online = 0;
  92 $guests_online = 0;
  93 $online_userlist = '';
  94 $l_online_users = '';
  95
  96 if (defined('SHOW_ONLINE'))
  97 {
  98
  99         $user_forum_sql = ( !empty($forum_id) ) ? "AND s.session_page = " . intval($forum_id) : '';
 100         $sql = "SELECT u.username, u.user_id, u.user_allow_viewonline, u.user_level, s.session_logged_in, s.session_ip
 101                 FROM ".USERS_TABLE." u, ".SESSIONS_TABLE." s
 102                 WHERE u.user_id = s.session_user_id
 103                         AND s.session_time >= ".( time() - 300 ) . "
 104                         $user_forum_sql
 105                 ORDER BY u.username ASC, s.session_ip ASC";
 106         if( !($result = $db->sql_query($sql)) )
 107         {
 108                 message_die(GENERAL_ERROR, 'Could not obtain user/online information', '', __LINE__, __FILE__, $sql);
 109         }
 110
 111         $userlist_ary = array();
 112         $userlist_visible = array();
 113
 114         $prev_user_id = 0;
 115         $prev_user_ip = $prev_session_ip = '';
 116
 117         while( $row = $db->sql_fetchrow($result) )
 118         {
 119                 // User is logged in and therefor not a guest
 120                 if ( $row['session_logged_in'] )
 121                 {
 122                         // Skip multiple sessions for one user
 123                         if ( $row['user_id'] != $prev_user_id )
 124                         {
 125                                 $style_color = '';
 126                                 if ( $row['user_level'] == ADMIN )
 127                                 {
 128                                         $row['username'] = '<b>' . $row['username'] . '</b>';
 129                                         $style_color = 'style="color:#' . $theme['fontcolor3'] . '"';
 130                                 }
 131                                 else if ( $row['user_level'] == MOD )
 132                                 {
 133                                         $row['username'] = '<b>' . $row['username'] . '</b>';
 134                                         $style_color = 'style="color:#' . $theme['fontcolor2'] . '"';
 135                                 }
 136
 137                                 if ( $row['user_allow_viewonline'] )
 138                                 {
 139                                         $user_online_link = '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=" . $row['user_id']) . '"' . $style_color .'>' . $row['username'] . '</a>';
 140                                         $logged_visible_online++;
 141                                 }
 142                                 else
 143                                 {
 144                                         $user_online_link = '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=" . $row['user_id']) . '"' . $style_color .'><i>' . $row['username'] . '</i></a>';
 145                                         $logged_hidden_online++;
 146                                 }
 147
 148                                 if ( $row['user_allow_viewonline'] || $userdata['user_level'] == ADMIN )
 149                                 {
 150                                         $online_userlist .= ( $online_userlist != '' ) ? ', ' . $user_online_link : $user_online_link;
 151                                 }
 152                         }
 153
 154                         $prev_user_id = $row['user_id'];
 155                 }
 156                 else
 157                 {
 158                         // Skip multiple sessions for one user
 159                         if ( $row['session_ip'] != $prev_session_ip )
 160                         {
 161                                 $guests_online++;
 162                         }
 163                 }
 164
 165                 $prev_session_ip = $row['session_ip'];
 166         }
 167         $db->sql_freeresult($result);
 168
 169         if ( empty($online_userlist) )
 170         {
 171                 $online_userlist = $lang['None'];
 172         }
 173         $online_userlist = ( ( isset($forum_id) ) ? $lang['Browsing_forum'] : $lang['Registered_users'] ) . ' ' . $online_userlist;
 174
 175         $total_online_users = $logged_visible_online + $logged_hidden_online + $guests_online;
 176
 177         if ( $total_online_users > $board_config['record_online_users'])
 178         {
 179                 $board_config['record_online_users'] = $total_online_users;
 180                 $board_config['record_online_date'] = time();
 181
 182                 $sql = "UPDATE " . CONFIG_TABLE . "
 183                         SET config_value = '$total_online_users'
 184                         WHERE config_name = 'record_online_users'";
 185                 if ( !$db->sql_query($sql) )
 186                 {
 187                         message_die(GENERAL_ERROR, 'Could not update online user record (nr of users)', '', __LINE__, __FILE__, $sql);
 188                 }
 189
 190                 $sql = "UPDATE " . CONFIG_TABLE . "
 191                         SET config_value = '" . $board_config['record_online_date'] . "'
 192                         WHERE config_name = 'record_online_date'";
 193                 if ( !$db->sql_query($sql) )
 194                 {
 195                         message_die(GENERAL_ERROR, 'Could not update online user record (date)', '', __LINE__, __FILE__, $sql);
 196                 }
 197         }
 198
 199         if ( $total_online_users == 0 )
 200         {
 201                 $l_t_user_s = $lang['Online_users_zero_total'];
 202         }
 203         else if ( $total_online_users == 1 )
 204         {
 205                 $l_t_user_s = $lang['Online_user_total'];
 206         }
 207         else
 208         {
 209                 $l_t_user_s = $lang['Online_users_total'];
 210         }
 211
 212         if ( $logged_visible_online == 0 )
 213         {
 214                 $l_r_user_s = $lang['Reg_users_zero_total'];
 215         }
 216         else if ( $logged_visible_online == 1 )
 217         {
 218                 $l_r_user_s = $lang['Reg_user_total'];
 219         }
 220         else
 221         {
 222                 $l_r_user_s = $lang['Reg_users_total'];
 223         }
 224
 225         if ( $logged_hidden_online == 0 )
 226         {
 227                 $l_h_user_s = $lang['Hidden_users_zero_total'];
 228         }
 229         else if ( $logged_hidden_online == 1 )
 230         {
 231                 $l_h_user_s = $lang['Hidden_user_total'];
 232         }
 233         else
 234         {
 235                 $l_h_user_s = $lang['Hidden_users_total'];
 236         }
 237
 238         if ( $guests_online == 0 )
 239         {
 240                 $l_g_user_s = $lang['Guest_users_zero_total'];
 241         }
 242         else if ( $guests_online == 1 )
 243         {
 244                 $l_g_user_s = $lang['Guest_user_total'];
 245         }
 246         else
 247         {
 248                 $l_g_user_s = $lang['Guest_users_total'];
 249         }
 250
 251         $l_online_users = sprintf($l_t_user_s, $total_online_users);
 252         $l_online_users .= sprintf($l_r_user_s, $logged_visible_online);
 253         $l_online_users .= sprintf($l_h_user_s, $logged_hidden_online);
 254         $l_online_users .= sprintf($l_g_user_s, $guests_online);
 255 }
 256
 257 //
 258 // Obtain number of new private messages
 259 // if user is logged in
 260 //
 261 if ( ($userdata['session_logged_in']) && (empty($gen_simple_header)) )
 262 {
 263         if ( $userdata['user_new_privmsg'] )
 264         {
 265                 $l_message_new = ( $userdata['user_new_privmsg'] == 1 ) ? $lang['New_pm'] : $lang['New_pms'];
 266                 $l_privmsgs_text = sprintf($l_message_new, $userdata['user_new_privmsg']);
 267
 268                 if ( $userdata['user_last_privmsg'] > $userdata['user_lastvisit'] )
 269                 {
 270                         $sql = "UPDATE " . USERS_TABLE . "
 271                                 SET user_last_privmsg = " . $userdata['user_lastvisit'] . "
 272                                 WHERE user_id = " . $userdata['user_id'];
 273                         if ( !$db->sql_query($sql) )
 274                         {
 275                                 message_die(GENERAL_ERROR, 'Could not update private message new/read time for user', '', __LINE__, __FILE__, $sql);
 276                         }
 277
 278                         $s_privmsg_new = 1;
 279                         $icon_pm = $images['pm_new_msg'];
 280                 }
 281                 else
 282                 {
 283                         $s_privmsg_new = 0;
 284                         $icon_pm = $images['pm_new_msg'];
 285                 }
 286         }
 287         else
 288         {
 289                 $l_privmsgs_text = $lang['No_new_pm'];
 290
 291                 $s_privmsg_new = 0;
 292                 $icon_pm = $images['pm_no_new_msg'];
 293         }
 294
 295         if ( $userdata['user_unread_privmsg'] )
 296         {
 297                 $l_message_unread = ( $userdata['user_unread_privmsg'] == 1 ) ? $lang['Unread_pm'] : $lang['Unread_pms'];
 298                 $l_privmsgs_text_unread = sprintf($l_message_unread, $userdata['user_unread_privmsg']);
 299         }
 300         else
 301         {
 302                 $l_privmsgs_text_unread = $lang['No_unread_pm'];
 303         }
 304 }
 305 else
 306 {
 307         $icon_pm = $images['pm_no_new_msg'];
 308         $l_privmsgs_text = $lang['Login_check_pm'];
 309         $l_privmsgs_text_unread = '';
 310         $s_privmsg_new = 0;
 311 }
 312
 313 //
 314 // Generate HTML required for Mozilla Navigation bar
 315 //
 316 if (!isset($nav_links))
 317 {
 318         $nav_links = array();
 319 }
 320
 321 $nav_links_html = '';
 322 $nav_link_proto = '<link rel="%s" href="%s" title="%s" />' . "\n";
 323 while( list($nav_item, $nav_array) = @each($nav_links) )
 324 {
 325         if ( !empty($nav_array['url']) )
 326         {
 327                 $nav_links_html .= sprintf($nav_link_proto, $nav_item, append_sid($nav_array['url']), $nav_array['title']);
 328         }
 329         else
 330         {
 331                 // We have a nested array, used for items like <link rel='chapter'> that can occur more than once.
 332                 while( list(,$nested_array) = each($nav_array) )
 333                 {
 334                         $nav_links_html .= sprintf($nav_link_proto, $nav_item, $nested_array['url'], $nested_array['title']);
 335                 }
 336         }
 337 }
 338
 339 // Format Timezone. We are unable to use array_pop here, because of PHP3 compatibility
 340 $l_timezone = explode('.', $board_config['board_timezone']);
 341 $l_timezone = (count($l_timezone) > 1 && $l_timezone[count($l_timezone)-1] != 0) ? $lang[sprintf('%.1f', $board_config['board_timezone'])] : $lang[number_format($board_config['board_timezone'])];
 342 //
 343 // The following assigns all _common_ variables that may be used at any point
 344 // in a template.
 345 //
 346 $template->assign_vars(array(
 347         'SITENAME' => $board_config['sitename'],
 348         'SITE_DESCRIPTION' => $board_config['site_desc'],
 349         'PAGE_TITLE' => $page_title,
 350         'LAST_VISIT_DATE' => sprintf($lang['You_last_visit'], $s_last_visit),
 351         'CURRENT_TIME' => sprintf($lang['Current_time'], create_date($board_config['default_dateformat'], time(), $board_config['board_timezone'])),
 352         'TOTAL_USERS_ONLINE' => $l_online_users,
 353         'LOGGED_IN_USER_LIST' => $online_userlist,
 354         'RECORD_USERS' => sprintf($lang['Record_online_users'], $board_config['record_online_users'], create_date($board_config['default_dateformat'], $board_config['record_online_date'], $board_config['board_timezone'])),
 355         'PRIVATE_MESSAGE_INFO' => $l_privmsgs_text,
 356         'PRIVATE_MESSAGE_INFO_UNREAD' => $l_privmsgs_text_unread,
 357         'PRIVATE_MESSAGE_NEW_FLAG' => $s_privmsg_new,
 358
 359         'PRIVMSG_IMG' => $icon_pm,
 360
 361         'L_USERNAME' => $lang['Username'],
 362         'L_PASSWORD' => $lang['Password'],
 363         'L_LOGIN_LOGOUT' => $l_login_logout,
 364         'L_LOGIN' => $lang['Login'],
 365         'L_LOG_ME_IN' => $lang['Log_me_in'],
 366         'L_AUTO_LOGIN' => $lang['Log_me_in'],
 367         'L_INDEX' => sprintf($lang['Forum_Index'], $board_config['sitename']),
 368         'L_REGISTER' => $lang['Register'],
 369         'L_PROFILE' => $lang['Profile'],
 370         'L_SEARCH' => $lang['Search'],
 371         'L_PRIVATEMSGS' => $lang['Private_Messages'],
 372         'L_WHO_IS_ONLINE' => $lang['Who_is_Online'],
 373         'L_MEMBERLIST' => $lang['Memberlist'],
 374         'L_FAQ' => $lang['FAQ'],
 375         'L_USERGROUPS' => $lang['Usergroups'],
 376         'L_SEARCH_NEW' => $lang['Search_new'],
 377         'L_SEARCH_UNANSWERED' => $lang['Search_unanswered'],
 378         'L_SEARCH_SELF' => $lang['Search_your_posts'],
 379         'L_WHOSONLINE_ADMIN' => sprintf($lang['Admin_online_color'], '<span style="color:#' . $theme['fontcolor3'] . '">', '</span>'),
 380         'L_WHOSONLINE_MOD' => sprintf($lang['Mod_online_color'], '<span style="color:#' . $theme['fontcolor2'] . '">', '</span>'),
 381
 382         'U_SEARCH_UNANSWERED' => append_sid('search.'.$phpEx.'?search_id=unanswered'),
 383         'U_SEARCH_SELF' => append_sid('search.'.$phpEx.'?search_id=egosearch'),
 384         'U_SEARCH_NEW' => append_sid('search.'.$phpEx.'?search_id=newposts'),
 385         'U_INDEX' => append_sid('index.'.$phpEx),
 386         'U_REGISTER' => append_sid('profile.'.$phpEx.'?mode=register'),
 387         'U_PROFILE' => append_sid('profile.'.$phpEx.'?mode=editprofile'),
 388         'U_PRIVATEMSGS' => append_sid('privmsg.'.$phpEx.'?folder=inbox'),
 389         'U_PRIVATEMSGS_POPUP' => append_sid('privmsg.'.$phpEx.'?mode=newpm'),
 390         'U_SEARCH' => append_sid('search.'.$phpEx),
 391         'U_MEMBERLIST' => append_sid('memberlist.'.$phpEx),
 392         'U_MODCP' => append_sid('modcp.'.$phpEx),
 393         'U_FAQ' => append_sid('faq.'.$phpEx),
 394         'U_VIEWONLINE' => append_sid('viewonline.'.$phpEx),
 395         'U_LOGIN_LOGOUT' => append_sid($u_login_logout),
 396         'U_GROUP_CP' => append_sid('groupcp.'.$phpEx),
 397
 398         'S_CONTENT_DIRECTION' => $lang['DIRECTION'],
 399         'S_CONTENT_ENCODING' => $lang['ENCODING'],
 400         'S_CONTENT_DIR_LEFT' => $lang['LEFT'],
 401         'S_CONTENT_DIR_RIGHT' => $lang['RIGHT'],
 402         'S_TIMEZONE' => sprintf($lang['All_times'], $l_timezone),
 403         'S_LOGIN_ACTION' => append_sid('login.'.$phpEx),
 404
 405         'T_HEAD_STYLESHEET' => $theme['head_stylesheet'],
 406         'T_BODY_BACKGROUND' => $theme['body_background'],
 407         'T_BODY_BGCOLOR' => '#'.$theme['body_bgcolor'],
 408         'T_BODY_TEXT' => '#'.$theme['body_text'],
 409         'T_BODY_LINK' => '#'.$theme['body_link'],
 410         'T_BODY_VLINK' => '#'.$theme['body_vlink'],
 411         'T_BODY_ALINK' => '#'.$theme['body_alink'],
 412         'T_BODY_HLINK' => '#'.$theme['body_hlink'],
 413         'T_TR_COLOR1' => '#'.$theme['tr_color1'],
 414         'T_TR_COLOR2' => '#'.$theme['tr_color2'],
 415         'T_TR_COLOR3' => '#'.$theme['tr_color3'],
 416         'T_TR_CLASS1' => $theme['tr_class1'],
 417         'T_TR_CLASS2' => $theme['tr_class2'],
 418         'T_TR_CLASS3' => $theme['tr_class3'],
 419         'T_TH_COLOR1' => '#'.$theme['th_color1'],
 420         'T_TH_COLOR2' => '#'.$theme['th_color2'],
 421         'T_TH_COLOR3' => '#'.$theme['th_color3'],
 422         'T_TH_CLASS1' => $theme['th_class1'],
 423         'T_TH_CLASS2' => $theme['th_class2'],
 424         'T_TH_CLASS3' => $theme['th_class3'],
 425         'T_TD_COLOR1' => '#'.$theme['td_color1'],
 426         'T_TD_COLOR2' => '#'.$theme['td_color2'],
 427         'T_TD_COLOR3' => '#'.$theme['td_color3'],
 428         'T_TD_CLASS1' => $theme['td_class1'],
 429         'T_TD_CLASS2' => $theme['td_class2'],
 430         'T_TD_CLASS3' => $theme['td_class3'],
 431         'T_FONTFACE1' => $theme['fontface1'],
 432         'T_FONTFACE2' => $theme['fontface2'],
 433         'T_FONTFACE3' => $theme['fontface3'],
 434         'T_FONTSIZE1' => $theme['fontsize1'],
 435         'T_FONTSIZE2' => $theme['fontsize2'],
 436         'T_FONTSIZE3' => $theme['fontsize3'],
 437         'T_FONTCOLOR1' => '#'.$theme['fontcolor1'],
 438         'T_FONTCOLOR2' => '#'.$theme['fontcolor2'],
 439         'T_FONTCOLOR3' => '#'.$theme['fontcolor3'],
 440         'T_SPAN_CLASS1' => $theme['span_class1'],
 441         'T_SPAN_CLASS2' => $theme['span_class2'],
 442         'T_SPAN_CLASS3' => $theme['span_class3'],
 443
 444         'NAV_LINKS' => $nav_links_html)
 445 );
 446
 447 //
 448 // Login box?
 449 //
 450 if ( !$userdata['session_logged_in'] )
 451 {
 452         $template->assign_block_vars('switch_user_logged_out', array());
 453         //
 454         // Allow autologin?
 455         //
 456         if (!isset($board_config['allow_autologin']) || $board_config['allow_autologin'] )
 457         {
 458                 $template->assign_block_vars('switch_allow_autologin', array());
 459                 $template->assign_block_vars('switch_user_logged_out.switch_allow_autologin', array());
 460         }
 461 }
 462 else
 463 {
 464         $template->assign_block_vars('switch_user_logged_in', array());
 465
 466         if ( !empty($userdata['user_popup_pm']) )
 467         {
 468                 $template->assign_block_vars('switch_enable_pm_popup', array());
 469         }
 470 }
 471
 472 // Add no-cache control for cookies if they are set
 473 //$c_no_cache = (isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_sid']) || isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_data'])) ? 'no-cache="set-cookie", ' : '';
 474
 475 // Work around for "current" Apache 2 + PHP module which seems to not
 476 // cope with private cache control setting
 477 if (!empty($HTTP_SERVER_VARS['SERVER_SOFTWARE']) && strstr($HTTP_SERVER_VARS['SERVER_SOFTWARE'], 'Apache/2'))
 478 {
 479         header ('Cache-Control: no-cache, pre-check=0, post-check=0');
 480 }
 481 else
 482 {
 483         header ('Cache-Control: private, pre-check=0, post-check=0, max-age=0');
 484 }
 485 header ('Expires: 0');
 486 header ('Pragma: no-cache');
 487
 488 $template->pparse('overall_header');
 489
 490 ?>