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Code Issues Releases Wiki Activity

Suggested alteration of cache control header by Nathan

Browse Source 
git-svn-id: file:///svn/phpbb/trunk@2405 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen 2002-03-22 18:46:31 +00:00
parent 6a11bc5acb
commit f12976b7a0
1 changed files with 143 additions and 152 deletions
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295
phpBB/includes/page_header.php
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@ -35,24 +35,24 @@ if($board_config['gzip_compress'])
{
$phpver = phpversion();
if($phpver >= "4.0.4pl1")
if($phpver >= '4.0.4pl1')
{
if(extension_loaded("zlib"))
if(extension_loaded('zlib'))
{
ob_start("ob_gzhandler");
ob_start('ob_gzhandler');
}
}
else if($phpver > "4.0")
else if($phpver > '4.0')
{
if(strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip'))
{
if(extension_loaded("zlib"))
if(extension_loaded('zlib'))
{
$do_gzip_compress = TRUE;
ob_start();
ob_implicit_flush(0);
header("Content-Encoding: gzip");
header('Content-Encoding: gzip');
}
}
}
@ -61,18 +61,9 @@ if($board_config['gzip_compress'])
//
// Parse and show the overall header.
//
if( empty($gen_simple_header) )
{
$template->set_filenames(array(
"overall_header" => "overall_header.tpl")
);
}
else
{
$template->set_filenames(array(
"overall_header" => "simple_header.tpl")
);
}
$template->set_filenames(array(
'overall_header' => ( empty($gen_simple_header) ) ? 'overall_header.tpl' : 'simple_header.tpl')
);
//
// Generate logged in/logged out status
@ -80,7 +71,7 @@ else
if($userdata['session_logged_in'])
{
$u_login_logout = "login.$phpEx?logout=true";
$l_login_logout = $lang['Logout'] . " [ " . $userdata["username"] . " ]";
$l_login_logout = $lang['Logout'] . ' [ ' . $userdata["username"] . ' ]';
}
else
{
@ -88,14 +79,14 @@ else
$l_login_logout = $lang['Login'];
}
$s_last_visit = ( $userdata['session_logged_in'] ) ? create_date($board_config['default_dateformat'], $userdata['user_lastvisit'], $board_config['board_timezone']) : "";
$s_last_visit = ( $userdata['session_logged_in'] ) ? create_date($board_config['default_dateformat'], $userdata['user_lastvisit'], $board_config['board_timezone']) : '';
//
// Get basic (usernames + totals) online
// situation
//
$user_forum_sql = ( !empty($forum_id) ) ? "AND ( u.user_session_page = $forum_id
OR s.session_page = $forum_id)" : "";
OR s.session_page = $forum_id)" : '';
$sql = "SELECT u.username, u.user_id, u.user_allow_viewonline, u.user_level, s.session_logged_in, s.session_ip
FROM ".USERS_TABLE." u, ".SESSIONS_TABLE." s
@ -107,7 +98,7 @@ $sql = "SELECT u.username, u.user_id, u.user_allow_viewonline, u.user_level, s.s
$result = $db->sql_query($sql);
if(!$result)
{
message_die(GENERAL_ERROR, "Couldn't obtain user/online information.", "", __LINE__, __FILE__, $sql);
message_die(GENERAL_ERROR, 'Could not obtain user/online information', '', __LINE__, __FILE__, $sql);
}
$userlist_ary = array();
@ -116,7 +107,7 @@ $userlist_visible = array();
$logged_visible_online = 0;
$logged_hidden_online = 0;
$guests_online = 0;
$online_userlist = "";
$online_userlist = '';
$prev_user_id = 0;
$prev_user_ip = '';
@ -129,7 +120,7 @@ while( $row = $db->sql_fetchrow($result) )
// Skip multiple sessions for one user
if( $row['user_id'] != $prev_user_id )
{
$style_color = "";
$style_color = '';
if( $row['user_level'] == ADMIN )
{
$row['username'] = '<b>' . $row['username'] . '</b>';
@ -175,26 +166,26 @@ if( empty($online_userlist) )
{
$online_userlist = $lang['None'];
}
$online_userlist = ( ( isset($forum_id) ) ? $lang['Browsing_forum'] : $lang['Registered_users'] ) . " " . $online_userlist;
$online_userlist = ( ( isset($forum_id) ) ? $lang['Browsing_forum'] : $lang['Registered_users'] ) . ' ' . $online_userlist;
$total_online_users = $logged_visible_online + $logged_hidden_online + $guests_online;
if($total_online_users > $board_config['record_online_users'])
if ( $total_online_users > $board_config['record_online_users'])
{
$sql = "UPDATE " . CONFIG_TABLE . "
SET config_value = '$total_online_users'
WHERE config_name = 'record_online_users'";
if( !$result = $db->sql_query($sql) )
if ( !$result = $db->sql_query($sql) )
{
message_die(GENERAL_ERROR, "Couldn't update online user record (nr of users)", "", __LINE__, __FILE__, $sql);
message_die(GENERAL_ERROR, 'Could not update online user record (nr of users)', '', __LINE__, __FILE__, $sql);
}
$sql = "UPDATE " . CONFIG_TABLE . "
SET config_value = '" . time() . "'
WHERE config_name = 'record_online_date'";
if( !$result = $db->sql_query($sql) )
if ( !$result = $db->sql_query($sql) )
{
message_die(GENERAL_ERROR, "Couldn't update online user record (date)", "", __LINE__, __FILE__, $sql);
message_die(GENERAL_ERROR, 'Could not update online user record (date)', '', __LINE__, __FILE__, $sql);
}
$board_config['record_online_users'] = $total_online_users;
@ -276,7 +267,7 @@ if( $userdata['session_logged_in'] )
WHERE user_id = " . $userdata['user_id'];
if( !$status = $db->sql_query($sql) )
{
message_die(GENERAL_ERROR, "Could not update private message new/read time for user.", "", __LINE__, __FILE__, $sql);
message_die(GENERAL_ERROR, 'Could not update private message new/read time for user', '', __LINE__, __FILE__, $sql);
}
$s_privmsg_new = 1;
@ -341,124 +332,124 @@ while(list($nav_item, $nav_array) = @each($nav_links) )
// should all S_x_ACTIONS for forms.
//
$template->assign_vars(array(
"SITENAME" => $board_config['sitename'],
"SITE_DESCRIPTION" => $board_config['site_desc'],
"PAGE_TITLE" => $page_title,
"TOTAL_USERS_ONLINE" => $l_online_users,
"LOGGED_IN_USER_LIST" => $online_userlist,
"PRIVATE_MESSAGE_INFO" => $l_privmsgs_text,
"PRIVATE_MESSAGE_INFO_UNREAD" => $l_privmsgs_text_unread,
"PRIVATE_MESSAGE_NEW_FLAG" => $s_privmsg_new,
"LAST_VISIT_DATE" => sprintf($lang['You_last_visit'], $s_last_visit),
"CURRENT_TIME" => sprintf($lang['Current_time'], create_date($board_config['default_dateformat'], time(), $board_config['board_timezone'])),
'SITENAME' => $board_config['sitename'],
'SITE_DESCRIPTION' => $board_config['site_desc'],
'PAGE_TITLE' => $page_title,
'TOTAL_USERS_ONLINE' => $l_online_users,
'LOGGED_IN_USER_LIST' => $online_userlist,
'PRIVATE_MESSAGE_INFO' => $l_privmsgs_text,
'PRIVATE_MESSAGE_INFO_UNREAD' => $l_privmsgs_text_unread,
'PRIVATE_MESSAGE_NEW_FLAG' => $s_privmsg_new,
'LAST_VISIT_DATE' => sprintf($lang['You_last_visit'], $s_last_visit),
'CURRENT_TIME' => sprintf($lang['Current_time'], create_date($board_config['default_dateformat'], time(), $board_config['board_timezone'])),
"PRIVMSG_IMG" => $icon_pm,
'PRIVMSG_IMG' => $icon_pm,
"L_USERNAME" => $lang['Username'],
"L_PASSWORD" => $lang['Password'],
"L_LOGIN" => $lang['Login'],
"L_LOG_ME_IN" => $lang['Log_me_in'],
"L_INDEX" => sprintf($lang['Forum_Index'], $board_config['sitename']),
"L_REGISTER" => $lang['Register'],
"L_PROFILE" => $lang['Profile'],
"L_SEARCH" => $lang['Search'],
"L_PRIVATEMSGS" => $lang['Private_Messages'],
"L_WHO_IS_ONLINE" => $lang['Who_is_Online'],
"L_MEMBERLIST" => $lang['Memberlist'],
"L_FAQ" => $lang['FAQ'],
"L_USERGROUPS" => $lang['Usergroups'],
"L_FORUM" => $lang['Forum'],
"L_TOPICS" => $lang['Topics'],
"L_REPLIES" => $lang['Replies'],
"L_VIEWS" => $lang['Views'],
"L_POSTS" => $lang['Posts'],
"L_LASTPOST" => $lang['Last_Post'],
"L_NO_NEW_POSTS" => $lang['No_new_posts'],
"L_NEW_POSTS" => $lang['New_posts'],
"L_NO_NEW_POSTS_HOT" => $lang['No_new_posts_hot'],
"L_NEW_POSTS_HOT" => $lang['New_posts_hot'],
"L_NO_NEW_POSTS_LOCKED" => $lang['No_new_posts_locked'],
"L_NEW_POSTS_LOCKED" => $lang['New_posts_locked'],
"L_ANNOUNCEMENT" => $lang['Post_Announcement'],
"L_STICKY" => $lang['Post_Sticky'],
"L_POSTED" => $lang['Posted'],
"L_JOINED" => $lang['Joined'],
"L_AUTO_LOGIN" => $lang['Log_me_in'],
"L_AUTHOR" => $lang['Author'],
"L_SUBJECT" => $lang['Subject'],
"L_MESSAGE" => $lang['Message'],
"L_LOGIN_LOGOUT" => $l_login_logout,
"L_SEARCH_NEW" => $lang['Search_new'],
"L_SEARCH_UNANSWERED" => $lang['Search_unanswered'],
"L_SEARCH_SELF" => $lang['Search_your_posts'],
"L_WHOSONLINE_ADMIN" => sprintf($lang['Admin_online_color'], '<span style="color:#' . $theme['fontcolor3'] . '">', '</span>'),
"L_WHOSONLINE_MOD" => sprintf($lang['Mod_online_color'], '<span style="color:#' . $theme['fontcolor2'] . '">', '</span>'),
"L_RECORD_USERS" => sprintf($lang['Record_online_users'], $board_config['record_online_users'], create_date($board_config['default_dateformat'], $board_config['record_online_date'], $board_config['board_timezone'])),
'L_USERNAME' => $lang['Username'],
'L_PASSWORD' => $lang['Password'],
'L_LOGIN' => $lang['Login'],
'L_LOG_ME_IN' => $lang['Log_me_in'],
'L_INDEX' => sprintf($lang['Forum_Index'], $board_config['sitename']),
'L_REGISTER' => $lang['Register'],
'L_PROFILE' => $lang['Profile'],
'L_SEARCH' => $lang['Search'],
'L_PRIVATEMSGS' => $lang['Private_Messages'],
'L_WHO_IS_ONLINE' => $lang['Who_is_Online'],
'L_MEMBERLIST' => $lang['Memberlist'],
'L_FAQ' => $lang['FAQ'],
'L_USERGROUPS' => $lang['Usergroups'],
'L_FORUM' => $lang['Forum'],
'L_TOPICS' => $lang['Topics'],
'L_REPLIES' => $lang['Replies'],
'L_VIEWS' => $lang['Views'],
'L_POSTS' => $lang['Posts'],
'L_LASTPOST' => $lang['Last_Post'],
'L_NO_NEW_POSTS' => $lang['No_new_posts'],
'L_NEW_POSTS' => $lang['New_posts'],
'L_NO_NEW_POSTS_HOT' => $lang['No_new_posts_hot'],
'L_NEW_POSTS_HOT' => $lang['New_posts_hot'],
'L_NO_NEW_POSTS_LOCKED' => $lang['No_new_posts_locked'],
'L_NEW_POSTS_LOCKED' => $lang['New_posts_locked'],
'L_ANNOUNCEMENT' => $lang['Post_Announcement'],
'L_STICKY' => $lang['Post_Sticky'],
'L_POSTED' => $lang['Posted'],
'L_JOINED' => $lang['Joined'],
'L_AUTO_LOGIN' => $lang['Log_me_in'],
'L_AUTHOR' => $lang['Author'],
'L_SUBJECT' => $lang['Subject'],
'L_MESSAGE' => $lang['Message'],
'L_LOGIN_LOGOUT' => $l_login_logout,
'L_SEARCH_NEW' => $lang['Search_new'],
'L_SEARCH_UNANSWERED' => $lang['Search_unanswered'],
'L_SEARCH_SELF' => $lang['Search_your_posts'],
'L_WHOSONLINE_ADMIN' => sprintf($lang['Admin_online_color'], '<span style="color:#' . $theme['fontcolor3'] . '">', '</span>'),
'L_WHOSONLINE_MOD' => sprintf($lang['Mod_online_color'], '<span style="color:#' . $theme['fontcolor2'] . '">', '</span>'),
'L_RECORD_USERS' => sprintf($lang['Record_online_users'], $board_config['record_online_users'], create_date($board_config['default_dateformat'], $board_config['record_online_date'], $board_config['board_timezone'])),
"U_SEARCH_UNANSWERED" => append_sid("search.".$phpEx."?search_id=unanswered"),
"U_SEARCH_SELF" => append_sid("search.".$phpEx."?search_id=egosearch"),
"U_SEARCH_NEW" => append_sid("search.$phpEx?search_id=newposts"),
"U_INDEX" => append_sid("index.".$phpEx),
"U_REGISTER" => append_sid("profile.".$phpEx."?mode=register"),
"U_PROFILE" => append_sid("profile.".$phpEx."?mode=editprofile"),
"U_PRIVATEMSGS" => append_sid("privmsg.".$phpEx."?folder=inbox"),
"U_PRIVATEMSGS_POPUP" => append_sid("privmsg.".$phpEx."?mode=newpm"),
"U_SEARCH" => append_sid("search.".$phpEx),
"U_MEMBERLIST" => append_sid("memberlist.".$phpEx),
"U_MODCP" => append_sid("modcp.".$phpEx),
"U_FAQ" => append_sid("faq.".$phpEx),
"U_VIEWONLINE" => append_sid("viewonline.$phpEx"),
"U_LOGIN_LOGOUT" => append_sid($u_login_logout),
"U_MEMBERSLIST" => append_sid("memberlist.".$phpEx),
"U_GROUP_CP" => append_sid("groupcp.".$phpEx),
'U_SEARCH_UNANSWERED' => append_sid('search.'.$phpEx.'?search_id=unanswered'),
'U_SEARCH_SELF' => append_sid('search.'.$phpEx.'?search_id=egosearch'),
'U_SEARCH_NEW' => append_sid('search.'.$phpEx.'?search_id=newposts'),
'U_INDEX' => append_sid('index.'.$phpEx),
'U_REGISTER' => append_sid('profile.'.$phpEx.'?mode=register'),
'U_PROFILE' => append_sid('profile.'.$phpEx.'?mode=editprofile'),
'U_PRIVATEMSGS' => append_sid('privmsg.'.$phpEx.'?folder=inbox'),
'U_PRIVATEMSGS_POPUP' => append_sid('privmsg.'.$phpEx.'?mode=newpm'),
'U_SEARCH' => append_sid('search.'.$phpEx),
'U_MEMBERLIST' => append_sid('memberlist.'.$phpEx),
'U_MODCP' => append_sid('modcp.'.$phpEx),
'U_FAQ' => append_sid('faq.'.$phpEx),
'U_VIEWONLINE' => append_sid('viewonline.'.$phpEx),
'U_LOGIN_LOGOUT' => append_sid($u_login_logout),
'U_MEMBERSLIST' => append_sid('memberlist.'.$phpEx),
'U_GROUP_CP' => append_sid('groupcp.'.$phpEx),
"S_CONTENT_DIRECTION" => $lang['DIRECTION'],
"S_CONTENT_ENCODING" => $lang['ENCODING'],
"S_CONTENT_DIR_LEFT" => $lang['LEFT'],
"S_CONTENT_DIR_RIGHT" => $lang['RIGHT'],
"S_TIMEZONE" => sprintf($lang['All_times'], $lang[$board_config['board_timezone']]),
"S_LOGIN_ACTION" => append_sid("login.$phpEx"),
'S_CONTENT_DIRECTION' => $lang['DIRECTION'],
'S_CONTENT_ENCODING' => $lang['ENCODING'],
'S_CONTENT_DIR_LEFT' => $lang['LEFT'],
'S_CONTENT_DIR_RIGHT' => $lang['RIGHT'],
'S_TIMEZONE' => sprintf($lang['All_times'], $lang[$board_config['board_timezone']]),
'S_LOGIN_ACTION' => append_sid('login.'.$phpEx),
"T_HEAD_STYLESHEET" => $theme['head_stylesheet'],
"T_BODY_BACKGROUND" => $theme['body_background'],
"T_BODY_BGCOLOR" => "#".$theme['body_bgcolor'],
"T_BODY_TEXT" => "#".$theme['body_text'],
"T_BODY_LINK" => "#".$theme['body_link'],
"T_BODY_VLINK" => "#".$theme['body_vlink'],
"T_BODY_ALINK" => "#".$theme['body_alink'],
"T_BODY_HLINK" => "#".$theme['body_hlink'],
"T_TR_COLOR1" => "#".$theme['tr_color1'],
"T_TR_COLOR2" => "#".$theme['tr_color2'],
"T_TR_COLOR3" => "#".$theme['tr_color3'],
"T_TR_CLASS1" => $theme['tr_class1'],
"T_TR_CLASS2" => $theme['tr_class2'],
"T_TR_CLASS3" => $theme['tr_class3'],
"T_TH_COLOR1" => "#".$theme['th_color1'],
"T_TH_COLOR2" => "#".$theme['th_color2'],
"T_TH_COLOR3" => "#".$theme['th_color3'],
"T_TH_CLASS1" => $theme['th_class1'],
"T_TH_CLASS2" => $theme['th_class2'],
"T_TH_CLASS3" => $theme['th_class3'],
"T_TD_COLOR1" => "#".$theme['td_color1'],
"T_TD_COLOR2" => "#".$theme['td_color2'],
"T_TD_COLOR3" => "#".$theme['td_color3'],
"T_TD_CLASS1" => $theme['td_class1'],
"T_TD_CLASS2" => $theme['td_class2'],
"T_TD_CLASS3" => $theme['td_class3'],
"T_FONTFACE1" => $theme['fontface1'],
"T_FONTFACE2" => $theme['fontface2'],
"T_FONTFACE3" => $theme['fontface3'],
"T_FONTSIZE1" => $theme['fontsize1'],
"T_FONTSIZE2" => $theme['fontsize2'],
"T_FONTSIZE3" => $theme['fontsize3'],
"T_FONTCOLOR1" => "#".$theme['fontcolor1'],
"T_FONTCOLOR2" => "#".$theme['fontcolor2'],
"T_FONTCOLOR3" => "#".$theme['fontcolor3'],
"T_SPAN_CLASS1" => $theme['span_class1'],
"T_SPAN_CLASS2" => $theme['span_class2'],
"T_SPAN_CLASS3" => $theme['span_class3'],
'T_HEAD_STYLESHEET' => $theme['head_stylesheet'],
'T_BODY_BACKGROUND' => $theme['body_background'],
'T_BODY_BGCOLOR' => '#'.$theme['body_bgcolor'],
'T_BODY_TEXT' => '#'.$theme['body_text'],
'T_BODY_LINK' => '#'.$theme['body_link'],
'T_BODY_VLINK' => '#'.$theme['body_vlink'],
'T_BODY_ALINK' => '#'.$theme['body_alink'],
'T_BODY_HLINK' => '#'.$theme['body_hlink'],
'T_TR_COLOR1' => '#'.$theme['tr_color1'],
'T_TR_COLOR2' => '#'.$theme['tr_color2'],
'T_TR_COLOR3' => '#'.$theme['tr_color3'],
'T_TR_CLASS1' => $theme['tr_class1'],
'T_TR_CLASS2' => $theme['tr_class2'],
'T_TR_CLASS3' => $theme['tr_class3'],
'T_TH_COLOR1' => '#'.$theme['th_color1'],
'T_TH_COLOR2' => '#'.$theme['th_color2'],
'T_TH_COLOR3' => '#'.$theme['th_color3'],
'T_TH_CLASS1' => $theme['th_class1'],
'T_TH_CLASS2' => $theme['th_class2'],
'T_TH_CLASS3' => $theme['th_class3'],
'T_TD_COLOR1' => '#'.$theme['td_color1'],
'T_TD_COLOR2' => '#'.$theme['td_color2'],
'T_TD_COLOR3' => '#'.$theme['td_color3'],
'T_TD_CLASS1' => $theme['td_class1'],
'T_TD_CLASS2' => $theme['td_class2'],
'T_TD_CLASS3' => $theme['td_class3'],
'T_FONTFACE1' => $theme['fontface1'],
'T_FONTFACE2' => $theme['fontface2'],
'T_FONTFACE3' => $theme['fontface3'],
'T_FONTSIZE1' => $theme['fontsize1'],
'T_FONTSIZE2' => $theme['fontsize2'],
'T_FONTSIZE3' => $theme['fontsize3'],
'T_FONTCOLOR1' => '#'.$theme['fontcolor1'],
'T_FONTCOLOR2' => '#'.$theme['fontcolor2'],
'T_FONTCOLOR3' => '#'.$theme['fontcolor3'],
'T_SPAN_CLASS1' => $theme['span_class1'],
'T_SPAN_CLASS2' => $theme['span_class2'],
'T_SPAN_CLASS3' => $theme['span_class3'],
"NAV_LINKS" => $nav_links_html)
'NAV_LINKS' => $nav_links_html)
);
//
@ -466,23 +457,23 @@ $template->assign_vars(array(
//
if( !$userdata['session_logged_in'] )
{
$template->assign_block_vars("switch_user_logged_out", array());
$template->assign_block_vars('switch_user_logged_out', array());
}
else
{
$template->assign_block_vars("switch_user_logged_in", array());
$template->assign_block_vars('switch_user_logged_in', array());
if( !empty($userdata['user_popup_pm']) )
{
$template->assign_block_vars("switch_enable_pm_popup", array());
$template->assign_block_vars('switch_enable_pm_popup', array());
}
}
header ("Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0");
header ("Pragma: no-cache");
header ("Expires: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header ('Cache-Control: private, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0');
header ('Pragma: no-cache');
header ('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
header ('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
$template->pparse("overall_header");
$template->pparse('overall_header');
?>
?>