[6] | 1 | <?php |
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| 2 | |
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| 3 | /** |
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| 4 | * Copyright (C) 2008-2011 FluxBB |
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| 5 | * based on code by Rickard Andersson copyright (C) 2002-2008 PunBB |
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| 6 | * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher |
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| 7 | */ |
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| 8 | |
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| 9 | |
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| 10 | // |
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| 11 | // Return current timestamp (with microseconds) as a float |
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| 12 | // |
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| 13 | function get_microtime() |
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| 14 | { |
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| 15 | list($usec, $sec) = explode(' ', microtime()); |
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| 16 | return ((float)$usec + (float)$sec); |
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| 17 | } |
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| 18 | |
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| 19 | // |
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| 20 | // Cookie stuff! |
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| 21 | // |
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| 22 | function check_cookie(&$pun_user) |
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| 23 | { |
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| 24 | global $db, $db_type, $pun_config, $cookie_name, $cookie_seed; |
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| 25 | |
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| 26 | $now = time(); |
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| 27 | |
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| 28 | // If the cookie is set and it matches the correct pattern, then read the values from it |
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| 29 | if (isset($_COOKIE[$cookie_name]) && preg_match('%^(\d+)\|([0-9a-fA-F]+)\|(\d+)\|([0-9a-fA-F]+)$%', $_COOKIE[$cookie_name], $matches)) |
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| 30 | { |
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| 31 | $cookie = array( |
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| 32 | 'user_id' => intval($matches[1]), |
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| 33 | 'password_hash' => $matches[2], |
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| 34 | 'expiration_time' => intval($matches[3]), |
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| 35 | 'cookie_hash' => $matches[4], |
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| 36 | ); |
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| 37 | } |
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| 38 | |
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| 39 | // If it has a non-guest user, and hasn't expired |
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| 40 | if (isset($cookie) && $cookie['user_id'] > 1 && $cookie['expiration_time'] > $now) |
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| 41 | { |
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| 42 | // If the cookie has been tampered with |
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| 43 | if (forum_hmac($cookie['user_id'].'|'.$cookie['expiration_time'], $cookie_seed.'_cookie_hash') != $cookie['cookie_hash']) |
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| 44 | { |
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| 45 | $expire = $now + 31536000; // The cookie expires after a year |
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| 46 | pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire); |
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| 47 | set_default_user(); |
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| 48 | |
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| 49 | return; |
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| 50 | } |
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| 51 | |
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| 52 | // Check if there's a user with the user ID and password hash from the cookie |
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| 53 | $result = $db->query('SELECT u.*, g.*, o.logged, o.idle FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON u.group_id=g.g_id LEFT JOIN '.$db->prefix.'online AS o ON o.user_id=u.id WHERE u.id='.intval($cookie['user_id'])) or error('Unable to fetch user information', __FILE__, __LINE__, $db->error()); |
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| 54 | $pun_user = $db->fetch_assoc($result); |
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| 55 | |
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| 56 | // If user authorisation failed |
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| 57 | if (!isset($pun_user['id']) || forum_hmac($pun_user['password'], $cookie_seed.'_password_hash') !== $cookie['password_hash']) |
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| 58 | { |
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| 59 | $expire = $now + 31536000; // The cookie expires after a year |
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| 60 | pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire); |
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| 61 | set_default_user(); |
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| 62 | |
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| 63 | return; |
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| 64 | } |
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| 65 | |
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| 66 | // Send a new, updated cookie with a new expiration timestamp |
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| 67 | $expire = ($cookie['expiration_time'] > $now + $pun_config['o_timeout_visit']) ? $now + 1209600 : $now + $pun_config['o_timeout_visit']; |
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| 68 | pun_setcookie($pun_user['id'], $pun_user['password'], $expire); |
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| 69 | |
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| 70 | // Set a default language if the user selected language no longer exists |
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| 71 | if (!file_exists(PUN_ROOT.'lang/'.$pun_user['language'])) |
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| 72 | $pun_user['language'] = $pun_config['o_default_lang']; |
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| 73 | |
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| 74 | // Set a default style if the user selected style no longer exists |
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| 75 | if (!file_exists(PUN_ROOT.'style/'.$pun_user['style'].'.css')) |
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| 76 | $pun_user['style'] = $pun_config['o_default_style']; |
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| 77 | |
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| 78 | if (!$pun_user['disp_topics']) |
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| 79 | $pun_user['disp_topics'] = $pun_config['o_disp_topics_default']; |
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| 80 | if (!$pun_user['disp_posts']) |
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| 81 | $pun_user['disp_posts'] = $pun_config['o_disp_posts_default']; |
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| 82 | |
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| 83 | // Define this if you want this visit to affect the online list and the users last visit data |
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| 84 | if (!defined('PUN_QUIET_VISIT')) |
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| 85 | { |
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| 86 | // Update the online list |
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| 87 | if (!$pun_user['logged']) |
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| 88 | { |
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| 89 | $pun_user['logged'] = $now; |
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| 90 | |
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| 91 | // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table |
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| 92 | switch ($db_type) |
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| 93 | { |
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| 94 | case 'mysql': |
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| 95 | case 'mysqli': |
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| 96 | case 'mysql_innodb': |
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| 97 | case 'mysqli_innodb': |
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| 98 | case 'sqlite': |
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| 99 | $db->query('REPLACE INTO '.$db->prefix.'online (user_id, ident, logged) VALUES('.$pun_user['id'].', \''.$db->escape($pun_user['username']).'\', '.$pun_user['logged'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); |
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| 100 | break; |
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| 101 | |
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| 102 | default: |
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| 103 | $db->query('INSERT INTO '.$db->prefix.'online (user_id, ident, logged) SELECT '.$pun_user['id'].', \''.$db->escape($pun_user['username']).'\', '.$pun_user['logged'].' WHERE NOT EXISTS (SELECT 1 FROM '.$db->prefix.'online WHERE user_id='.$pun_user['id'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); |
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| 104 | break; |
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| 105 | } |
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| 106 | |
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| 107 | // Reset tracked topics |
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| 108 | set_tracked_topics(null); |
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| 109 | } |
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| 110 | else |
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| 111 | { |
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| 112 | // Special case: We've timed out, but no other user has browsed the forums since we timed out |
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| 113 | if ($pun_user['logged'] < ($now-$pun_config['o_timeout_visit'])) |
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| 114 | { |
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| 115 | $db->query('UPDATE '.$db->prefix.'users SET last_visit='.$pun_user['logged'].' WHERE id='.$pun_user['id']) or error('Unable to update user visit data', __FILE__, __LINE__, $db->error()); |
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| 116 | $pun_user['last_visit'] = $pun_user['logged']; |
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| 117 | } |
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| 118 | |
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| 119 | $idle_sql = ($pun_user['idle'] == '1') ? ', idle=0' : ''; |
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| 120 | $db->query('UPDATE '.$db->prefix.'online SET logged='.$now.$idle_sql.' WHERE user_id='.$pun_user['id']) or error('Unable to update online list', __FILE__, __LINE__, $db->error()); |
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| 121 | |
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| 122 | // Update tracked topics with the current expire time |
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| 123 | if (isset($_COOKIE[$cookie_name.'_track'])) |
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| 124 | forum_setcookie($cookie_name.'_track', $_COOKIE[$cookie_name.'_track'], $now + $pun_config['o_timeout_visit']); |
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| 125 | } |
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| 126 | } |
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| 127 | else |
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| 128 | { |
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| 129 | if (!$pun_user['logged']) |
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| 130 | $pun_user['logged'] = $pun_user['last_visit']; |
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| 131 | } |
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| 132 | |
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| 133 | $pun_user['is_guest'] = false; |
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| 134 | $pun_user['is_admmod'] = $pun_user['g_id'] == PUN_ADMIN || $pun_user['g_moderator'] == '1'; |
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| 135 | } |
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| 136 | else |
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| 137 | set_default_user(); |
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| 138 | } |
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| 139 | |
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| 140 | |
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| 141 | // |
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| 142 | // Converts the CDATA end sequence ]]> into ]]> |
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| 143 | // |
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| 144 | function escape_cdata($str) |
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| 145 | { |
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| 146 | return str_replace(']]>', ']]>', $str); |
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| 147 | } |
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| 148 | |
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| 149 | |
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| 150 | // |
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| 151 | // Authenticates the provided username and password against the user database |
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| 152 | // $user can be either a user ID (integer) or a username (string) |
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| 153 | // $password can be either a plaintext password or a password hash including salt ($password_is_hash must be set accordingly) |
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| 154 | // |
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| 155 | function authenticate_user($user, $password, $password_is_hash = false) |
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| 156 | { |
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| 157 | global $db, $pun_user; |
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| 158 | |
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| 159 | // Check if there's a user matching $user and $password |
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| 160 | $result = $db->query('SELECT u.*, g.*, o.logged, o.idle FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON g.g_id=u.group_id LEFT JOIN '.$db->prefix.'online AS o ON o.user_id=u.id WHERE '.(is_int($user) ? 'u.id='.intval($user) : 'u.username=\''.$db->escape($user).'\'')) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error()); |
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| 161 | $pun_user = $db->fetch_assoc($result); |
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| 162 | |
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| 163 | if (!isset($pun_user['id']) || |
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| 164 | ($password_is_hash && $password != $pun_user['password']) || |
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| 165 | (!$password_is_hash && pun_hash($password) != $pun_user['password'])) |
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| 166 | set_default_user(); |
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| 167 | else |
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| 168 | $pun_user['is_guest'] = false; |
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| 169 | } |
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| 170 | |
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| 171 | |
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| 172 | // |
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| 173 | // Try to determine the current URL |
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| 174 | // |
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| 175 | function get_current_url($max_length = 0) |
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| 176 | { |
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| 177 | $protocol = get_current_protocol(); |
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| 178 | $port = (isset($_SERVER['SERVER_PORT']) && (($_SERVER['SERVER_PORT'] != '80' && $protocol == 'http') || ($_SERVER['SERVER_PORT'] != '443' && $protocol == 'https')) && strpos($_SERVER['HTTP_HOST'], ':') === false) ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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| 179 | |
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| 180 | $url = urldecode($protocol.'://'.$_SERVER['HTTP_HOST'].$port.$_SERVER['REQUEST_URI']); |
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| 181 | |
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| 182 | if (strlen($url) <= $max_length || $max_length == 0) |
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| 183 | return $url; |
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| 184 | |
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| 185 | // We can't find a short enough url |
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| 186 | return null; |
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| 187 | } |
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| 188 | |
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| 189 | |
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| 190 | // |
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| 191 | // Fetch the current protocol in use - http or https |
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| 192 | // |
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| 193 | function get_current_protocol() |
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| 194 | { |
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| 195 | $protocol = 'http'; |
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| 196 | |
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| 197 | // Check if the server is claiming to using HTTPS |
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| 198 | if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') |
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| 199 | $protocol = 'https'; |
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| 200 | |
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| 201 | // If we are behind a reverse proxy try to decide which protocol it is using |
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| 202 | if (defined('FORUM_BEHIND_REVERSE_PROXY')) |
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| 203 | { |
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| 204 | // Check if we are behind a Microsoft based reverse proxy |
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| 205 | if (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) != 'off') |
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| 206 | $protocol = 'https'; |
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| 207 | |
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| 208 | // Check if we're behind a "proper" reverse proxy, and what protocol it's using |
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| 209 | if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) |
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| 210 | $protocol = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']); |
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| 211 | } |
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| 212 | |
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| 213 | return $protocol; |
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| 214 | } |
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| 215 | |
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| 216 | // |
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| 217 | // Fetch the base_url, optionally support HTTPS and HTTP |
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| 218 | // |
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| 219 | function get_base_url($support_https = false) |
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| 220 | { |
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| 221 | global $pun_config; |
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| 222 | static $base_url; |
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| 223 | |
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| 224 | if (!$support_https) |
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| 225 | return $pun_config['o_base_url']; |
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| 226 | |
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| 227 | if (!isset($base_url)) |
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| 228 | { |
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| 229 | // Make sure we are using the correct protocol |
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| 230 | $base_url = str_replace(array('http://', 'https://'), get_current_protocol().'://', $pun_config['o_base_url']); |
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| 231 | } |
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| 232 | |
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| 233 | return $base_url; |
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| 234 | } |
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| 235 | |
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| 236 | |
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| 237 | // |
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| 238 | // Fill $pun_user with default values (for guests) |
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| 239 | // |
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| 240 | function set_default_user() |
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| 241 | { |
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| 242 | global $db, $db_type, $pun_user, $pun_config; |
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| 243 | |
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| 244 | $remote_addr = get_remote_address(); |
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| 245 | |
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| 246 | // Fetch guest user |
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| 247 | $result = $db->query('SELECT u.*, g.*, o.logged, o.last_post, o.last_search FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON u.group_id=g.g_id LEFT JOIN '.$db->prefix.'online AS o ON o.ident=\''.$remote_addr.'\' WHERE u.id=1') or error('Unable to fetch guest information', __FILE__, __LINE__, $db->error()); |
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| 248 | if (!$db->num_rows($result)) |
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| 249 | exit('Unable to fetch guest information. Your database must contain both a guest user and a guest user group.'); |
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| 250 | |
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| 251 | $pun_user = $db->fetch_assoc($result); |
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| 252 | |
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| 253 | // Update online list |
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| 254 | if (!$pun_user['logged']) |
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| 255 | { |
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| 256 | $pun_user['logged'] = time(); |
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| 257 | |
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| 258 | // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table |
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| 259 | switch ($db_type) |
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| 260 | { |
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| 261 | case 'mysql': |
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| 262 | case 'mysqli': |
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| 263 | case 'mysql_innodb': |
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| 264 | case 'mysqli_innodb': |
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| 265 | case 'sqlite': |
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| 266 | $db->query('REPLACE INTO '.$db->prefix.'online (user_id, ident, logged) VALUES(1, \''.$db->escape($remote_addr).'\', '.$pun_user['logged'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); |
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| 267 | break; |
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| 268 | |
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| 269 | default: |
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| 270 | $db->query('INSERT INTO '.$db->prefix.'online (user_id, ident, logged) SELECT 1, \''.$db->escape($remote_addr).'\', '.$pun_user['logged'].' WHERE NOT EXISTS (SELECT 1 FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($remote_addr).'\')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); |
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| 271 | break; |
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| 272 | } |
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| 273 | } |
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| 274 | else |
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| 275 | $db->query('UPDATE '.$db->prefix.'online SET logged='.time().' WHERE ident=\''.$db->escape($remote_addr).'\'') or error('Unable to update online list', __FILE__, __LINE__, $db->error()); |
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| 276 | |
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| 277 | $pun_user['disp_topics'] = $pun_config['o_disp_topics_default']; |
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| 278 | $pun_user['disp_posts'] = $pun_config['o_disp_posts_default']; |
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| 279 | $pun_user['timezone'] = $pun_config['o_default_timezone']; |
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| 280 | $pun_user['dst'] = $pun_config['o_default_dst']; |
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| 281 | $pun_user['language'] = $pun_config['o_default_lang']; |
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| 282 | $pun_user['style'] = $pun_config['o_default_style']; |
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| 283 | $pun_user['is_guest'] = true; |
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| 284 | $pun_user['is_admmod'] = false; |
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| 285 | } |
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| 286 | |
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| 287 | |
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| 288 | // |
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| 289 | // SHA1 HMAC with PHP 4 fallback |
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| 290 | // |
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| 291 | function forum_hmac($data, $key, $raw_output = false) |
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| 292 | { |
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| 293 | if (function_exists('hash_hmac')) |
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| 294 | return hash_hmac('sha1', $data, $key, $raw_output); |
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| 295 | |
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| 296 | // If key size more than blocksize then we hash it once |
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| 297 | if (strlen($key) > 64) |
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| 298 | $key = pack('H*', sha1($key)); // we have to use raw output here to match the standard |
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| 299 | |
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| 300 | // Ensure we're padded to exactly one block boundary |
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| 301 | $key = str_pad($key, 64, chr(0x00)); |
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| 302 | |
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| 303 | $hmac_opad = str_repeat(chr(0x5C), 64); |
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| 304 | $hmac_ipad = str_repeat(chr(0x36), 64); |
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| 305 | |
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| 306 | // Do inner and outer padding |
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| 307 | for ($i = 0;$i < 64;$i++) { |
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| 308 | $hmac_opad[$i] = $hmac_opad[$i] ^ $key[$i]; |
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| 309 | $hmac_ipad[$i] = $hmac_ipad[$i] ^ $key[$i]; |
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| 310 | } |
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| 311 | |
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| 312 | // Finally, calculate the HMAC |
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| 313 | $hash = sha1($hmac_opad.pack('H*', sha1($hmac_ipad.$data))); |
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| 314 | |
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| 315 | // If we want raw output then we need to pack the final result |
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| 316 | if ($raw_output) |
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| 317 | $hash = pack('H*', $hash); |
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| 318 | |
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| 319 | return $hash; |
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| 320 | } |
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| 321 | |
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| 322 | |
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| 323 | // |
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| 324 | // Set a cookie, FluxBB style! |
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| 325 | // Wrapper for forum_setcookie |
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| 326 | // |
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| 327 | function pun_setcookie($user_id, $password_hash, $expire) |
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| 328 | { |
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| 329 | global $cookie_name, $cookie_seed; |
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| 330 | |
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| 331 | forum_setcookie($cookie_name, $user_id.'|'.forum_hmac($password_hash, $cookie_seed.'_password_hash').'|'.$expire.'|'.forum_hmac($user_id.'|'.$expire, $cookie_seed.'_cookie_hash'), $expire); |
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| 332 | } |
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| 333 | |
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| 334 | |
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| 335 | // |
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| 336 | // Set a cookie, FluxBB style! |
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| 337 | // |
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| 338 | function forum_setcookie($name, $value, $expire) |
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| 339 | { |
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| 340 | global $cookie_path, $cookie_domain, $cookie_secure; |
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| 341 | |
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| 342 | // Enable sending of a P3P header |
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| 343 | header('P3P: CP="CUR ADM"'); |
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| 344 | |
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| 345 | if (version_compare(PHP_VERSION, '5.2.0', '>=')) |
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| 346 | setcookie($name, $value, $expire, $cookie_path, $cookie_domain, $cookie_secure, true); |
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| 347 | else |
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| 348 | setcookie($name, $value, $expire, $cookie_path.'; HttpOnly', $cookie_domain, $cookie_secure); |
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| 349 | } |
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| 350 | |
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| 351 | |
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| 352 | // |
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| 353 | // Check whether the connecting user is banned (and delete any expired bans while we're at it) |
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| 354 | // |
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| 355 | function check_bans() |
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| 356 | { |
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| 357 | global $db, $pun_config, $lang_common, $pun_user, $pun_bans; |
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| 358 | |
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| 359 | // Admins and moderators aren't affected |
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| 360 | if ($pun_user['is_admmod'] || !$pun_bans) |
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| 361 | return; |
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| 362 | |
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| 363 | // Add a dot or a colon (depending on IPv4/IPv6) at the end of the IP address to prevent banned address |
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| 364 | // 192.168.0.5 from matching e.g. 192.168.0.50 |
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| 365 | $user_ip = get_remote_address(); |
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| 366 | $user_ip .= (strpos($user_ip, '.') !== false) ? '.' : ':'; |
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| 367 | |
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| 368 | $bans_altered = false; |
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| 369 | $is_banned = false; |
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| 370 | |
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| 371 | foreach ($pun_bans as $cur_ban) |
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| 372 | { |
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| 373 | // Has this ban expired? |
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| 374 | if ($cur_ban['expire'] != '' && $cur_ban['expire'] <= time()) |
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| 375 | { |
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| 376 | $db->query('DELETE FROM '.$db->prefix.'bans WHERE id='.$cur_ban['id']) or error('Unable to delete expired ban', __FILE__, __LINE__, $db->error()); |
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| 377 | $bans_altered = true; |
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| 378 | continue; |
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| 379 | } |
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| 380 | |
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| 381 | if ($cur_ban['username'] != '' && utf8_strtolower($pun_user['username']) == utf8_strtolower($cur_ban['username'])) |
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| 382 | $is_banned = true; |
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| 383 | |
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| 384 | if ($cur_ban['ip'] != '') |
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| 385 | { |
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| 386 | $cur_ban_ips = explode(' ', $cur_ban['ip']); |
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| 387 | |
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| 388 | $num_ips = count($cur_ban_ips); |
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| 389 | for ($i = 0; $i < $num_ips; ++$i) |
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| 390 | { |
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| 391 | // Add the proper ending to the ban |
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| 392 | if (strpos($user_ip, '.') !== false) |
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| 393 | $cur_ban_ips[$i] = $cur_ban_ips[$i].'.'; |
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| 394 | else |
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| 395 | $cur_ban_ips[$i] = $cur_ban_ips[$i].':'; |
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| 396 | |
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| 397 | if (substr($user_ip, 0, strlen($cur_ban_ips[$i])) == $cur_ban_ips[$i]) |
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| 398 | { |
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| 399 | $is_banned = true; |
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| 400 | break; |
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| 401 | } |
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| 402 | } |
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| 403 | } |
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| 404 | |
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| 405 | if ($is_banned) |
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| 406 | { |
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| 407 | $db->query('DELETE FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($pun_user['username']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); |
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| 408 | message($lang_common['Ban message'].' '.(($cur_ban['expire'] != '') ? $lang_common['Ban message 2'].' '.strtolower(format_time($cur_ban['expire'], true)).'. ' : '').(($cur_ban['message'] != '') ? $lang_common['Ban message 3'].'<br /><br /><strong>'.pun_htmlspecialchars($cur_ban['message']).'</strong><br /><br />' : '<br /><br />').$lang_common['Ban message 4'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.', true); |
---|
| 409 | } |
---|
| 410 | } |
---|
| 411 | |
---|
| 412 | // If we removed any expired bans during our run-through, we need to regenerate the bans cache |
---|
| 413 | if ($bans_altered) |
---|
| 414 | { |
---|
| 415 | if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) |
---|
| 416 | require PUN_ROOT.'include/cache.php'; |
---|
| 417 | |
---|
| 418 | generate_bans_cache(); |
---|
| 419 | } |
---|
| 420 | } |
---|
| 421 | |
---|
| 422 | |
---|
| 423 | // |
---|
| 424 | // Check username |
---|
| 425 | // |
---|
| 426 | function check_username($username, $exclude_id = null) |
---|
| 427 | { |
---|
| 428 | global $db, $pun_config, $errors, $lang_prof_reg, $lang_register, $lang_common, $pun_bans; |
---|
| 429 | |
---|
| 430 | // Convert multiple whitespace characters into one (to prevent people from registering with indistinguishable usernames) |
---|
| 431 | $username = preg_replace('%\s+%s', ' ', $username); |
---|
| 432 | |
---|
| 433 | // Validate username |
---|
| 434 | if (pun_strlen($username) < 2) |
---|
| 435 | $errors[] = $lang_prof_reg['Username too short']; |
---|
| 436 | else if (pun_strlen($username) > 25) // This usually doesn't happen since the form element only accepts 25 characters |
---|
| 437 | $errors[] = $lang_prof_reg['Username too long']; |
---|
| 438 | else if (!strcasecmp($username, 'Guest') || !strcasecmp($username, $lang_common['Guest'])) |
---|
| 439 | $errors[] = $lang_prof_reg['Username guest']; |
---|
| 440 | else if (preg_match('%[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}%', $username) || preg_match('%((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))%', $username)) |
---|
| 441 | $errors[] = $lang_prof_reg['Username IP']; |
---|
| 442 | else if ((strpos($username, '[') !== false || strpos($username, ']') !== false) && strpos($username, '\'') !== false && strpos($username, '"') !== false) |
---|
| 443 | $errors[] = $lang_prof_reg['Username reserved chars']; |
---|
| 444 | else if (preg_match('%(?:\[/?(?:b|u|s|ins|del|em|i|h|colou?r|quote|code|img|url|email|list|\*|topic|post|forum|user)\]|\[(?:img|url|quote|list)=)%i', $username)) |
---|
| 445 | $errors[] = $lang_prof_reg['Username BBCode']; |
---|
| 446 | |
---|
| 447 | // Check username for any censored words |
---|
| 448 | if ($pun_config['o_censoring'] == '1' && censor_words($username) != $username) |
---|
| 449 | $errors[] = $lang_register['Username censor']; |
---|
| 450 | |
---|
| 451 | // Check that the username (or a too similar username) is not already registered |
---|
| 452 | $query = ($exclude_id) ? ' AND id!='.$exclude_id : ''; |
---|
| 453 | |
---|
| 454 | $result = $db->query('SELECT username FROM '.$db->prefix.'users WHERE (UPPER(username)=UPPER(\''.$db->escape($username).'\') OR UPPER(username)=UPPER(\''.$db->escape(ucp_preg_replace('%[^\p{L}\p{N}]%u', '', $username)).'\')) AND id>1'.$query) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error()); |
---|
| 455 | |
---|
| 456 | if ($db->num_rows($result)) |
---|
| 457 | { |
---|
| 458 | $busy = $db->result($result); |
---|
| 459 | $errors[] = $lang_register['Username dupe 1'].' '.pun_htmlspecialchars($busy).'. '.$lang_register['Username dupe 2']; |
---|
| 460 | } |
---|
| 461 | |
---|
| 462 | // Check username for any banned usernames |
---|
| 463 | foreach ($pun_bans as $cur_ban) |
---|
| 464 | { |
---|
| 465 | if ($cur_ban['username'] != '' && utf8_strtolower($username) == utf8_strtolower($cur_ban['username'])) |
---|
| 466 | { |
---|
| 467 | $errors[] = $lang_prof_reg['Banned username']; |
---|
| 468 | break; |
---|
| 469 | } |
---|
| 470 | } |
---|
| 471 | } |
---|
| 472 | |
---|
| 473 | |
---|
| 474 | // |
---|
| 475 | // Update "Users online" |
---|
| 476 | // |
---|
| 477 | function update_users_online() |
---|
| 478 | { |
---|
| 479 | global $db, $pun_config; |
---|
| 480 | |
---|
| 481 | $now = time(); |
---|
| 482 | |
---|
| 483 | // Fetch all online list entries that are older than "o_timeout_online" |
---|
| 484 | $result = $db->query('SELECT user_id, ident, logged, idle FROM '.$db->prefix.'online WHERE logged<'.($now-$pun_config['o_timeout_online'])) or error('Unable to fetch old entries from online list', __FILE__, __LINE__, $db->error()); |
---|
| 485 | while ($cur_user = $db->fetch_assoc($result)) |
---|
| 486 | { |
---|
| 487 | // If the entry is a guest, delete it |
---|
| 488 | if ($cur_user['user_id'] == '1') |
---|
| 489 | $db->query('DELETE FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($cur_user['ident']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); |
---|
| 490 | else |
---|
| 491 | { |
---|
| 492 | // If the entry is older than "o_timeout_visit", update last_visit for the user in question, then delete him/her from the online list |
---|
| 493 | if ($cur_user['logged'] < ($now-$pun_config['o_timeout_visit'])) |
---|
| 494 | { |
---|
| 495 | $db->query('UPDATE '.$db->prefix.'users SET last_visit='.$cur_user['logged'].' WHERE id='.$cur_user['user_id']) or error('Unable to update user visit data', __FILE__, __LINE__, $db->error()); |
---|
| 496 | $db->query('DELETE FROM '.$db->prefix.'online WHERE user_id='.$cur_user['user_id']) or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); |
---|
| 497 | } |
---|
| 498 | else if ($cur_user['idle'] == '0') |
---|
| 499 | $db->query('UPDATE '.$db->prefix.'online SET idle=1 WHERE user_id='.$cur_user['user_id']) or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | |
---|
| 505 | // |
---|
| 506 | // Display the profile navigation menu |
---|
| 507 | // |
---|
| 508 | function generate_profile_menu($page = '') |
---|
| 509 | { |
---|
| 510 | global $lang_profile, $pun_config, $pun_user, $id; |
---|
| 511 | |
---|
| 512 | ?> |
---|
| 513 | <div id="profile" class="block2col"> |
---|
| 514 | <div class="blockmenu"> |
---|
| 515 | <h2><span><?php echo $lang_profile['Profile menu'] ?></span></h2> |
---|
| 516 | <div class="box"> |
---|
| 517 | <div class="inbox"> |
---|
| 518 | <ul> |
---|
| 519 | <li<?php if ($page == 'essentials') echo ' class="isactive"'; ?>><a href="profile.php?section=essentials&id=<?php echo $id ?>"><?php echo $lang_profile['Section essentials'] ?></a></li> |
---|
| 520 | <li<?php if ($page == 'personal') echo ' class="isactive"'; ?>><a href="profile.php?section=personal&id=<?php echo $id ?>"><?php echo $lang_profile['Section personal'] ?></a></li> |
---|
| 521 | <li<?php if ($page == 'messaging') echo ' class="isactive"'; ?>><a href="profile.php?section=messaging&id=<?php echo $id ?>"><?php echo $lang_profile['Section messaging'] ?></a></li> |
---|
| 522 | <?php if ($pun_config['o_avatars'] == '1' || $pun_config['o_signatures'] == '1'): ?> <li<?php if ($page == 'personality') echo ' class="isactive"'; ?>><a href="profile.php?section=personality&id=<?php echo $id ?>"><?php echo $lang_profile['Section personality'] ?></a></li> |
---|
| 523 | <?php endif; ?> <li<?php if ($page == 'display') echo ' class="isactive"'; ?>><a href="profile.php?section=display&id=<?php echo $id ?>"><?php echo $lang_profile['Section display'] ?></a></li> |
---|
| 524 | <li<?php if ($page == 'privacy') echo ' class="isactive"'; ?>><a href="profile.php?section=privacy&id=<?php echo $id ?>"><?php echo $lang_profile['Section privacy'] ?></a></li> |
---|
| 525 | <?php if ($pun_user['g_id'] == PUN_ADMIN || ($pun_user['g_moderator'] == '1' && $pun_user['g_mod_ban_users'] == '1')): ?> <li<?php if ($page == 'admin') echo ' class="isactive"'; ?>><a href="profile.php?section=admin&id=<?php echo $id ?>"><?php echo $lang_profile['Section admin'] ?></a></li> |
---|
| 526 | <?php endif; ?> </ul> |
---|
| 527 | </div> |
---|
| 528 | </div> |
---|
| 529 | </div> |
---|
| 530 | <?php |
---|
| 531 | |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | |
---|
| 535 | // |
---|
| 536 | // Outputs markup to display a user's avatar |
---|
| 537 | // |
---|
| 538 | function generate_avatar_markup($user_id) |
---|
| 539 | { |
---|
| 540 | global $pun_config; |
---|
| 541 | |
---|
| 542 | $filetypes = array('jpg', 'gif', 'png'); |
---|
| 543 | $avatar_markup = ''; |
---|
| 544 | |
---|
| 545 | foreach ($filetypes as $cur_type) |
---|
| 546 | { |
---|
| 547 | $path = $pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type; |
---|
| 548 | |
---|
| 549 | if (file_exists(PUN_ROOT.$path) && $img_size = getimagesize(PUN_ROOT.$path)) |
---|
| 550 | { |
---|
| 551 | $avatar_markup = '<img src="'.pun_htmlspecialchars(get_base_url(true).'/'.$path.'?m='.filemtime(PUN_ROOT.$path)).'" '.$img_size[3].' alt="" />'; |
---|
| 552 | break; |
---|
| 553 | } |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | return $avatar_markup; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | |
---|
| 560 | // |
---|
| 561 | // Generate browser's title |
---|
| 562 | // |
---|
| 563 | function generate_page_title($page_title, $p = null) |
---|
| 564 | { |
---|
| 565 | global $pun_config, $lang_common; |
---|
| 566 | |
---|
| 567 | $page_title = array_reverse($page_title); |
---|
| 568 | |
---|
| 569 | if ($p != null) |
---|
| 570 | $page_title[0] .= ' ('.sprintf($lang_common['Page'], forum_number_format($p)).')'; |
---|
| 571 | |
---|
| 572 | $crumbs = implode($lang_common['Title separator'], $page_title); |
---|
| 573 | |
---|
| 574 | return $crumbs; |
---|
| 575 | } |
---|
| 576 | |
---|
| 577 | |
---|
| 578 | // |
---|
| 579 | // Save array of tracked topics in cookie |
---|
| 580 | // |
---|
| 581 | function set_tracked_topics($tracked_topics) |
---|
| 582 | { |
---|
| 583 | global $cookie_name, $cookie_path, $cookie_domain, $cookie_secure, $pun_config; |
---|
| 584 | |
---|
| 585 | $cookie_data = ''; |
---|
| 586 | if (!empty($tracked_topics)) |
---|
| 587 | { |
---|
| 588 | // Sort the arrays (latest read first) |
---|
| 589 | arsort($tracked_topics['topics'], SORT_NUMERIC); |
---|
| 590 | arsort($tracked_topics['forums'], SORT_NUMERIC); |
---|
| 591 | |
---|
| 592 | // Homebrew serialization (to avoid having to run unserialize() on cookie data) |
---|
| 593 | foreach ($tracked_topics['topics'] as $id => $timestamp) |
---|
| 594 | $cookie_data .= 't'.$id.'='.$timestamp.';'; |
---|
| 595 | foreach ($tracked_topics['forums'] as $id => $timestamp) |
---|
| 596 | $cookie_data .= 'f'.$id.'='.$timestamp.';'; |
---|
| 597 | |
---|
| 598 | // Enforce a byte size limit (4096 minus some space for the cookie name - defaults to 4048) |
---|
| 599 | if (strlen($cookie_data) > FORUM_MAX_COOKIE_SIZE) |
---|
| 600 | { |
---|
| 601 | $cookie_data = substr($cookie_data, 0, FORUM_MAX_COOKIE_SIZE); |
---|
| 602 | $cookie_data = substr($cookie_data, 0, strrpos($cookie_data, ';')).';'; |
---|
| 603 | } |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | forum_setcookie($cookie_name.'_track', $cookie_data, time() + $pun_config['o_timeout_visit']); |
---|
| 607 | $_COOKIE[$cookie_name.'_track'] = $cookie_data; // Set it directly in $_COOKIE as well |
---|
| 608 | } |
---|
| 609 | |
---|
| 610 | |
---|
| 611 | // |
---|
| 612 | // Extract array of tracked topics from cookie |
---|
| 613 | // |
---|
| 614 | function get_tracked_topics() |
---|
| 615 | { |
---|
| 616 | global $cookie_name; |
---|
| 617 | |
---|
| 618 | $cookie_data = isset($_COOKIE[$cookie_name.'_track']) ? $_COOKIE[$cookie_name.'_track'] : false; |
---|
| 619 | if (!$cookie_data) |
---|
| 620 | return array('topics' => array(), 'forums' => array()); |
---|
| 621 | |
---|
| 622 | if (strlen($cookie_data) > 4048) |
---|
| 623 | return array('topics' => array(), 'forums' => array()); |
---|
| 624 | |
---|
| 625 | // Unserialize data from cookie |
---|
| 626 | $tracked_topics = array('topics' => array(), 'forums' => array()); |
---|
| 627 | $temp = explode(';', $cookie_data); |
---|
| 628 | foreach ($temp as $t) |
---|
| 629 | { |
---|
| 630 | $type = substr($t, 0, 1) == 'f' ? 'forums' : 'topics'; |
---|
| 631 | $id = intval(substr($t, 1)); |
---|
| 632 | $timestamp = intval(substr($t, strpos($t, '=') + 1)); |
---|
| 633 | if ($id > 0 && $timestamp > 0) |
---|
| 634 | $tracked_topics[$type][$id] = $timestamp; |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | return $tracked_topics; |
---|
| 638 | } |
---|
| 639 | |
---|
| 640 | |
---|
| 641 | // |
---|
| 642 | // Update posts, topics, last_post, last_post_id and last_poster for a forum |
---|
| 643 | // |
---|
| 644 | function update_forum($forum_id) |
---|
| 645 | { |
---|
| 646 | global $db; |
---|
| 647 | |
---|
| 648 | $result = $db->query('SELECT COUNT(id), SUM(num_replies) FROM '.$db->prefix.'topics WHERE forum_id='.$forum_id) or error('Unable to fetch forum topic count', __FILE__, __LINE__, $db->error()); |
---|
| 649 | list($num_topics, $num_posts) = $db->fetch_row($result); |
---|
| 650 | |
---|
| 651 | $num_posts = $num_posts + $num_topics; // $num_posts is only the sum of all replies (we have to add the topic posts) |
---|
| 652 | |
---|
| 653 | $result = $db->query('SELECT last_post, last_post_id, last_poster FROM '.$db->prefix.'topics WHERE forum_id='.$forum_id.' AND moved_to IS NULL ORDER BY last_post DESC LIMIT 1') or error('Unable to fetch last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); |
---|
| 654 | if ($db->num_rows($result)) // There are topics in the forum |
---|
| 655 | { |
---|
| 656 | list($last_post, $last_post_id, $last_poster) = $db->fetch_row($result); |
---|
| 657 | |
---|
| 658 | $db->query('UPDATE '.$db->prefix.'forums SET num_topics='.$num_topics.', num_posts='.$num_posts.', last_post='.$last_post.', last_post_id='.$last_post_id.', last_poster=\''.$db->escape($last_poster).'\' WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); |
---|
| 659 | } |
---|
| 660 | else // There are no topics |
---|
| 661 | $db->query('UPDATE '.$db->prefix.'forums SET num_topics='.$num_topics.', num_posts='.$num_posts.', last_post=NULL, last_post_id=NULL, last_poster=NULL WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); |
---|
| 662 | } |
---|
| 663 | |
---|
| 664 | |
---|
| 665 | // |
---|
| 666 | // Deletes any avatars owned by the specified user ID |
---|
| 667 | // |
---|
| 668 | function delete_avatar($user_id) |
---|
| 669 | { |
---|
| 670 | global $pun_config; |
---|
| 671 | |
---|
| 672 | $filetypes = array('jpg', 'gif', 'png'); |
---|
| 673 | |
---|
| 674 | // Delete user avatar |
---|
| 675 | foreach ($filetypes as $cur_type) |
---|
| 676 | { |
---|
| 677 | if (file_exists(PUN_ROOT.$pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type)) |
---|
| 678 | @unlink(PUN_ROOT.$pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type); |
---|
| 679 | } |
---|
| 680 | } |
---|
| 681 | |
---|
| 682 | |
---|
| 683 | // |
---|
| 684 | // Delete a topic and all of it's posts |
---|
| 685 | // |
---|
| 686 | function delete_topic($topic_id) |
---|
| 687 | { |
---|
| 688 | global $db; |
---|
| 689 | |
---|
| 690 | // Delete the topic and any redirect topics |
---|
| 691 | $db->query('DELETE FROM '.$db->prefix.'topics WHERE id='.$topic_id.' OR moved_to='.$topic_id) or error('Unable to delete topic', __FILE__, __LINE__, $db->error()); |
---|
| 692 | |
---|
| 693 | // Create a list of the post IDs in this topic |
---|
| 694 | $post_ids = ''; |
---|
| 695 | $result = $db->query('SELECT id FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch posts', __FILE__, __LINE__, $db->error()); |
---|
| 696 | while ($row = $db->fetch_row($result)) |
---|
| 697 | $post_ids .= ($post_ids != '') ? ','.$row[0] : $row[0]; |
---|
| 698 | |
---|
| 699 | // Make sure we have a list of post IDs |
---|
| 700 | if ($post_ids != '') |
---|
| 701 | { |
---|
| 702 | strip_search_index($post_ids); |
---|
| 703 | |
---|
| 704 | // Delete posts in topic |
---|
| 705 | $db->query('DELETE FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to delete posts', __FILE__, __LINE__, $db->error()); |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | // Delete any subscriptions for this topic |
---|
| 709 | $db->query('DELETE FROM '.$db->prefix.'topic_subscriptions WHERE topic_id='.$topic_id) or error('Unable to delete subscriptions', __FILE__, __LINE__, $db->error()); |
---|
| 710 | } |
---|
| 711 | |
---|
| 712 | |
---|
| 713 | // |
---|
| 714 | // Delete a single post |
---|
| 715 | // |
---|
| 716 | function delete_post($post_id, $topic_id) |
---|
| 717 | { |
---|
| 718 | global $db; |
---|
| 719 | |
---|
| 720 | $result = $db->query('SELECT id, poster, posted FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id.' ORDER BY id DESC LIMIT 2') or error('Unable to fetch post info', __FILE__, __LINE__, $db->error()); |
---|
| 721 | list($last_id, ,) = $db->fetch_row($result); |
---|
| 722 | list($second_last_id, $second_poster, $second_posted) = $db->fetch_row($result); |
---|
| 723 | |
---|
| 724 | // Delete the post |
---|
| 725 | $db->query('DELETE FROM '.$db->prefix.'posts WHERE id='.$post_id) or error('Unable to delete post', __FILE__, __LINE__, $db->error()); |
---|
| 726 | |
---|
| 727 | strip_search_index($post_id); |
---|
| 728 | |
---|
| 729 | // Count number of replies in the topic |
---|
| 730 | $result = $db->query('SELECT COUNT(id) FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch post count for topic', __FILE__, __LINE__, $db->error()); |
---|
| 731 | $num_replies = $db->result($result, 0) - 1; |
---|
| 732 | |
---|
| 733 | // If the message we deleted is the most recent in the topic (at the end of the topic) |
---|
| 734 | if ($last_id == $post_id) |
---|
| 735 | { |
---|
| 736 | // If there is a $second_last_id there is more than 1 reply to the topic |
---|
| 737 | if (!empty($second_last_id)) |
---|
| 738 | $db->query('UPDATE '.$db->prefix.'topics SET last_post='.$second_posted.', last_post_id='.$second_last_id.', last_poster=\''.$db->escape($second_poster).'\', num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); |
---|
| 739 | else |
---|
| 740 | // We deleted the only reply, so now last_post/last_post_id/last_poster is posted/id/poster from the topic itself |
---|
| 741 | $db->query('UPDATE '.$db->prefix.'topics SET last_post=posted, last_post_id=id, last_poster=poster, num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); |
---|
| 742 | } |
---|
| 743 | else |
---|
| 744 | // Otherwise we just decrement the reply counter |
---|
| 745 | $db->query('UPDATE '.$db->prefix.'topics SET num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | |
---|
| 749 | // |
---|
| 750 | // Delete every .php file in the forum's cache directory |
---|
| 751 | // |
---|
| 752 | function forum_clear_cache() |
---|
| 753 | { |
---|
| 754 | $d = dir(FORUM_CACHE_DIR); |
---|
| 755 | while (($entry = $d->read()) !== false) |
---|
| 756 | { |
---|
| 757 | if (substr($entry, -4) == '.php') |
---|
| 758 | @unlink(FORUM_CACHE_DIR.$entry); |
---|
| 759 | } |
---|
| 760 | $d->close(); |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | |
---|
| 764 | // |
---|
| 765 | // Replace censored words in $text |
---|
| 766 | // |
---|
| 767 | function censor_words($text) |
---|
| 768 | { |
---|
| 769 | global $db; |
---|
| 770 | static $search_for, $replace_with; |
---|
| 771 | |
---|
| 772 | // If not already built in a previous call, build an array of censor words and their replacement text |
---|
| 773 | if (!isset($search_for)) |
---|
| 774 | { |
---|
| 775 | if (file_exists(FORUM_CACHE_DIR.'cache_censoring.php')) |
---|
| 776 | include FORUM_CACHE_DIR.'cache_censoring.php'; |
---|
| 777 | |
---|
| 778 | if (!defined('PUN_CENSOR_LOADED')) |
---|
| 779 | { |
---|
| 780 | if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) |
---|
| 781 | require PUN_ROOT.'include/cache.php'; |
---|
| 782 | |
---|
| 783 | generate_censoring_cache(); |
---|
| 784 | require FORUM_CACHE_DIR.'cache_censoring.php'; |
---|
| 785 | } |
---|
| 786 | } |
---|
| 787 | |
---|
| 788 | if (!empty($search_for)) |
---|
| 789 | $text = substr(ucp_preg_replace($search_for, $replace_with, ' '.$text.' '), 1, -1); |
---|
| 790 | |
---|
| 791 | return $text; |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | |
---|
| 795 | // |
---|
| 796 | // Determines the correct title for $user |
---|
| 797 | // $user must contain the elements 'username', 'title', 'posts', 'g_id' and 'g_user_title' |
---|
| 798 | // |
---|
| 799 | function get_title($user) |
---|
| 800 | { |
---|
| 801 | global $db, $pun_config, $pun_bans, $lang_common; |
---|
| 802 | static $ban_list, $pun_ranks; |
---|
| 803 | |
---|
| 804 | // If not already built in a previous call, build an array of lowercase banned usernames |
---|
| 805 | if (empty($ban_list)) |
---|
| 806 | { |
---|
| 807 | $ban_list = array(); |
---|
| 808 | |
---|
| 809 | foreach ($pun_bans as $cur_ban) |
---|
| 810 | $ban_list[] = strtolower($cur_ban['username']); |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | // If not already loaded in a previous call, load the cached ranks |
---|
| 814 | if ($pun_config['o_ranks'] == '1' && !defined('PUN_RANKS_LOADED')) |
---|
| 815 | { |
---|
| 816 | if (file_exists(FORUM_CACHE_DIR.'cache_ranks.php')) |
---|
| 817 | include FORUM_CACHE_DIR.'cache_ranks.php'; |
---|
| 818 | |
---|
| 819 | if (!defined('PUN_RANKS_LOADED')) |
---|
| 820 | { |
---|
| 821 | if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) |
---|
| 822 | require PUN_ROOT.'include/cache.php'; |
---|
| 823 | |
---|
| 824 | generate_ranks_cache(); |
---|
| 825 | require FORUM_CACHE_DIR.'cache_ranks.php'; |
---|
| 826 | } |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | // If the user has a custom title |
---|
| 830 | if ($user['title'] != '') |
---|
| 831 | $user_title = pun_htmlspecialchars($user['title']); |
---|
| 832 | // If the user is banned |
---|
| 833 | else if (in_array(strtolower($user['username']), $ban_list)) |
---|
| 834 | $user_title = $lang_common['Banned']; |
---|
| 835 | // If the user group has a default user title |
---|
| 836 | else if ($user['g_user_title'] != '') |
---|
| 837 | $user_title = pun_htmlspecialchars($user['g_user_title']); |
---|
| 838 | // If the user is a guest |
---|
| 839 | else if ($user['g_id'] == PUN_GUEST) |
---|
| 840 | $user_title = $lang_common['Guest']; |
---|
| 841 | else |
---|
| 842 | { |
---|
| 843 | // Are there any ranks? |
---|
| 844 | if ($pun_config['o_ranks'] == '1' && !empty($pun_ranks)) |
---|
| 845 | { |
---|
| 846 | foreach ($pun_ranks as $cur_rank) |
---|
| 847 | { |
---|
| 848 | if ($user['num_posts'] >= $cur_rank['min_posts']) |
---|
| 849 | $user_title = pun_htmlspecialchars($cur_rank['rank']); |
---|
| 850 | } |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | // If the user didn't "reach" any rank (or if ranks are disabled), we assign the default |
---|
| 854 | if (!isset($user_title)) |
---|
| 855 | $user_title = $lang_common['Member']; |
---|
| 856 | } |
---|
| 857 | |
---|
| 858 | return $user_title; |
---|
| 859 | } |
---|
| 860 | |
---|
| 861 | |
---|
| 862 | // |
---|
| 863 | // Generate a string with numbered links (for multipage scripts) |
---|
| 864 | // |
---|
| 865 | function paginate($num_pages, $cur_page, $link) |
---|
| 866 | { |
---|
| 867 | global $lang_common; |
---|
| 868 | |
---|
| 869 | $pages = array(); |
---|
| 870 | $link_to_all = false; |
---|
| 871 | |
---|
| 872 | // If $cur_page == -1, we link to all pages (used in viewforum.php) |
---|
| 873 | if ($cur_page == -1) |
---|
| 874 | { |
---|
| 875 | $cur_page = 1; |
---|
| 876 | $link_to_all = true; |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | if ($num_pages <= 1) |
---|
| 880 | $pages = array('<strong class="item1">1</strong>'); |
---|
| 881 | else |
---|
| 882 | { |
---|
| 883 | // Add a previous page link |
---|
| 884 | if ($num_pages > 1 && $cur_page > 1) |
---|
| 885 | $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.($cur_page - 1).'">'.$lang_common['Previous'].'</a>'; |
---|
| 886 | |
---|
| 887 | if ($cur_page > 3) |
---|
| 888 | { |
---|
| 889 | $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p=1">1</a>'; |
---|
| 890 | |
---|
| 891 | if ($cur_page > 5) |
---|
| 892 | $pages[] = '<span class="spacer">'.$lang_common['Spacer'].'</span>'; |
---|
| 893 | } |
---|
| 894 | |
---|
| 895 | // Don't ask me how the following works. It just does, OK? :-) |
---|
| 896 | for ($current = ($cur_page == 5) ? $cur_page - 3 : $cur_page - 2, $stop = ($cur_page + 4 == $num_pages) ? $cur_page + 4 : $cur_page + 3; $current < $stop; ++$current) |
---|
| 897 | { |
---|
| 898 | if ($current < 1 || $current > $num_pages) |
---|
| 899 | continue; |
---|
| 900 | else if ($current != $cur_page || $link_to_all) |
---|
| 901 | $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.$current.'">'.forum_number_format($current).'</a>'; |
---|
| 902 | else |
---|
| 903 | $pages[] = '<strong'.(empty($pages) ? ' class="item1"' : '').'>'.forum_number_format($current).'</strong>'; |
---|
| 904 | } |
---|
| 905 | |
---|
| 906 | if ($cur_page <= ($num_pages-3)) |
---|
| 907 | { |
---|
| 908 | if ($cur_page != ($num_pages-3) && $cur_page != ($num_pages-4)) |
---|
| 909 | $pages[] = '<span class="spacer">'.$lang_common['Spacer'].'</span>'; |
---|
| 910 | |
---|
| 911 | $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.$num_pages.'">'.forum_number_format($num_pages).'</a>'; |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | // Add a next page link |
---|
| 915 | if ($num_pages > 1 && !$link_to_all && $cur_page < $num_pages) |
---|
| 916 | $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.($cur_page +1).'">'.$lang_common['Next'].'</a>'; |
---|
| 917 | } |
---|
| 918 | |
---|
| 919 | return implode(' ', $pages); |
---|
| 920 | } |
---|
| 921 | |
---|
| 922 | |
---|
| 923 | // |
---|
| 924 | // Display a message |
---|
| 925 | // |
---|
| 926 | function message($message, $no_back_link = false) |
---|
| 927 | { |
---|
| 928 | global $db, $lang_common, $pun_config, $pun_start, $tpl_main, $pun_user; |
---|
| 929 | |
---|
| 930 | if (!defined('PUN_HEADER')) |
---|
| 931 | { |
---|
| 932 | $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Info']); |
---|
| 933 | define('PUN_ACTIVE_PAGE', 'index'); |
---|
| 934 | require PUN_ROOT.'header.php'; |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | ?> |
---|
| 938 | |
---|
| 939 | <div id="msg" class="block"> |
---|
| 940 | <h2><span><?php echo $lang_common['Info'] ?></span></h2> |
---|
| 941 | <div class="box"> |
---|
| 942 | <div class="inbox"> |
---|
| 943 | <p><?php echo $message ?></p> |
---|
| 944 | <?php if (!$no_back_link): ?> <p><a href="javascript: history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p> |
---|
| 945 | <?php endif; ?> </div> |
---|
| 946 | </div> |
---|
| 947 | </div> |
---|
| 948 | <?php |
---|
| 949 | |
---|
| 950 | require PUN_ROOT.'footer.php'; |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | |
---|
| 954 | // |
---|
| 955 | // Format a time string according to $time_format and time zones |
---|
| 956 | // |
---|
| 957 | function format_time($timestamp, $date_only = false, $date_format = null, $time_format = null, $time_only = false, $no_text = false) |
---|
| 958 | { |
---|
| 959 | global $pun_config, $lang_common, $pun_user, $forum_date_formats, $forum_time_formats; |
---|
| 960 | |
---|
| 961 | if ($timestamp == '') |
---|
| 962 | return $lang_common['Never']; |
---|
| 963 | |
---|
| 964 | $diff = ($pun_user['timezone'] + $pun_user['dst']) * 3600; |
---|
| 965 | $timestamp += $diff; |
---|
| 966 | $now = time(); |
---|
| 967 | |
---|
| 968 | if($date_format == null) |
---|
| 969 | $date_format = $forum_date_formats[$pun_user['date_format']]; |
---|
| 970 | |
---|
| 971 | if($time_format == null) |
---|
| 972 | $time_format = $forum_time_formats[$pun_user['time_format']]; |
---|
| 973 | |
---|
| 974 | $date = gmdate($date_format, $timestamp); |
---|
| 975 | $today = gmdate($date_format, $now+$diff); |
---|
| 976 | $yesterday = gmdate($date_format, $now+$diff-86400); |
---|
| 977 | |
---|
| 978 | if(!$no_text) |
---|
| 979 | { |
---|
| 980 | if ($date == $today) |
---|
| 981 | $date = $lang_common['Today']; |
---|
| 982 | else if ($date == $yesterday) |
---|
| 983 | $date = $lang_common['Yesterday']; |
---|
| 984 | } |
---|
| 985 | |
---|
| 986 | if ($date_only) |
---|
| 987 | return $date; |
---|
| 988 | else if ($time_only) |
---|
| 989 | return gmdate($time_format, $timestamp); |
---|
| 990 | else |
---|
| 991 | return $date.' '.gmdate($time_format, $timestamp); |
---|
| 992 | } |
---|
| 993 | |
---|
| 994 | |
---|
| 995 | // |
---|
| 996 | // A wrapper for PHP's number_format function |
---|
| 997 | // |
---|
| 998 | function forum_number_format($number, $decimals = 0) |
---|
| 999 | { |
---|
| 1000 | global $lang_common; |
---|
| 1001 | |
---|
| 1002 | return is_numeric($number) ? number_format($number, $decimals, $lang_common['lang_decimal_point'], $lang_common['lang_thousands_sep']) : $number; |
---|
| 1003 | } |
---|
| 1004 | |
---|
| 1005 | |
---|
| 1006 | // |
---|
| 1007 | // Generate a random key of length $len |
---|
| 1008 | // |
---|
| 1009 | function random_key($len, $readable = false, $hash = false) |
---|
| 1010 | { |
---|
| 1011 | $key = ''; |
---|
| 1012 | |
---|
| 1013 | if ($hash) |
---|
| 1014 | $key = substr(pun_hash(uniqid(rand(), true)), 0, $len); |
---|
| 1015 | else if ($readable) |
---|
| 1016 | { |
---|
| 1017 | $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; |
---|
| 1018 | |
---|
| 1019 | for ($i = 0; $i < $len; ++$i) |
---|
| 1020 | $key .= substr($chars, (mt_rand() % strlen($chars)), 1); |
---|
| 1021 | } |
---|
| 1022 | else |
---|
| 1023 | { |
---|
| 1024 | for ($i = 0; $i < $len; ++$i) |
---|
| 1025 | $key .= chr(mt_rand(33, 126)); |
---|
| 1026 | } |
---|
| 1027 | |
---|
| 1028 | return $key; |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | |
---|
| 1032 | // |
---|
| 1033 | // Make sure that HTTP_REFERER matches base_url/script |
---|
| 1034 | // |
---|
| 1035 | function confirm_referrer($script, $error_msg = false) |
---|
| 1036 | { |
---|
| 1037 | global $pun_config, $lang_common; |
---|
| 1038 | |
---|
| 1039 | // There is no referrer |
---|
| 1040 | if (empty($_SERVER['HTTP_REFERER'])) |
---|
| 1041 | message($error_msg ? $error_msg : $lang_common['Bad referrer']); |
---|
| 1042 | |
---|
| 1043 | $referrer = parse_url(strtolower($_SERVER['HTTP_REFERER'])); |
---|
| 1044 | // Remove www subdomain if it exists |
---|
| 1045 | if (strpos($referrer['host'], 'www.') === 0) |
---|
| 1046 | $referrer['host'] = substr($referrer['host'], 4); |
---|
| 1047 | |
---|
| 1048 | $valid = parse_url(strtolower(get_base_url().'/'.$script)); |
---|
| 1049 | // Remove www subdomain if it exists |
---|
| 1050 | if (strpos($valid['host'], 'www.') === 0) |
---|
| 1051 | $valid['host'] = substr($valid['host'], 4); |
---|
| 1052 | |
---|
| 1053 | // Check the host and path match. Ignore the scheme, port, etc. |
---|
| 1054 | if ($referrer['host'] != $valid['host'] || $referrer['path'] != $valid['path']) |
---|
| 1055 | message($error_msg ? $error_msg : $lang_common['Bad referrer']); |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | |
---|
| 1059 | // |
---|
| 1060 | // Generate a random password of length $len |
---|
| 1061 | // Compatibility wrapper for random_key |
---|
| 1062 | // |
---|
| 1063 | function random_pass($len) |
---|
| 1064 | { |
---|
| 1065 | return random_key($len, true); |
---|
| 1066 | } |
---|
| 1067 | |
---|
| 1068 | |
---|
| 1069 | // |
---|
| 1070 | // Compute a hash of $str |
---|
| 1071 | // |
---|
| 1072 | function pun_hash($str) |
---|
| 1073 | { |
---|
| 1074 | return sha1($str); |
---|
| 1075 | } |
---|
| 1076 | |
---|
| 1077 | |
---|
| 1078 | // |
---|
| 1079 | // Try to determine the correct remote IP-address |
---|
| 1080 | // |
---|
| 1081 | function get_remote_address() |
---|
| 1082 | { |
---|
| 1083 | $remote_addr = $_SERVER['REMOTE_ADDR']; |
---|
| 1084 | |
---|
| 1085 | // If we are behind a reverse proxy try to find the real users IP |
---|
| 1086 | if (defined('FORUM_BEHIND_REVERSE_PROXY')) |
---|
| 1087 | { |
---|
| 1088 | if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) |
---|
| 1089 | { |
---|
| 1090 | // The general format of the field is: |
---|
| 1091 | // X-Forwarded-For: client1, proxy1, proxy2 |
---|
| 1092 | // where the value is a comma+space separated list of IP addresses, the left-most being the farthest downstream client, |
---|
| 1093 | // and each successive proxy that passed the request adding the IP address where it received the request from. |
---|
| 1094 | $forwarded_for = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']); |
---|
| 1095 | $forwarded_for = trim($forwarded_for[0]); |
---|
| 1096 | |
---|
| 1097 | if (@preg_match('%^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$%', $forwarded_for) || @preg_match('%^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$%', $forwarded_for)) |
---|
| 1098 | $remote_addr = $forwarded_for; |
---|
| 1099 | } |
---|
| 1100 | } |
---|
| 1101 | |
---|
| 1102 | return $remote_addr; |
---|
| 1103 | } |
---|
| 1104 | |
---|
| 1105 | |
---|
| 1106 | // |
---|
| 1107 | // Calls htmlspecialchars with a few options already set |
---|
| 1108 | // |
---|
| 1109 | function pun_htmlspecialchars($str) |
---|
| 1110 | { |
---|
| 1111 | return htmlspecialchars($str, ENT_QUOTES, 'UTF-8'); |
---|
| 1112 | } |
---|
| 1113 | |
---|
| 1114 | |
---|
| 1115 | // |
---|
| 1116 | // Calls htmlspecialchars_decode with a few options already set |
---|
| 1117 | // |
---|
| 1118 | function pun_htmlspecialchars_decode($str) |
---|
| 1119 | { |
---|
| 1120 | if (function_exists('htmlspecialchars_decode')) |
---|
| 1121 | return htmlspecialchars_decode($str, ENT_QUOTES); |
---|
| 1122 | |
---|
| 1123 | static $translations; |
---|
| 1124 | if (!isset($translations)) |
---|
| 1125 | { |
---|
| 1126 | $translations = get_html_translation_table(HTML_SPECIALCHARS, ENT_QUOTES); |
---|
| 1127 | $translations['''] = '\''; // get_html_translation_table doesn't include ' which is what htmlspecialchars translates ' to, but apparently that is okay?! http://bugs.php.net/bug.php?id=25927 |
---|
| 1128 | $translations = array_flip($translations); |
---|
| 1129 | } |
---|
| 1130 | |
---|
| 1131 | return strtr($str, $translations); |
---|
| 1132 | } |
---|
| 1133 | |
---|
| 1134 | |
---|
| 1135 | // |
---|
| 1136 | // A wrapper for utf8_strlen for compatibility |
---|
| 1137 | // |
---|
| 1138 | function pun_strlen($str) |
---|
| 1139 | { |
---|
| 1140 | return utf8_strlen($str); |
---|
| 1141 | } |
---|
| 1142 | |
---|
| 1143 | |
---|
| 1144 | // |
---|
| 1145 | // Convert \r\n and \r to \n |
---|
| 1146 | // |
---|
| 1147 | function pun_linebreaks($str) |
---|
| 1148 | { |
---|
| 1149 | return str_replace("\r", "\n", str_replace("\r\n", "\n", $str)); |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | |
---|
| 1153 | // |
---|
| 1154 | // A wrapper for utf8_trim for compatibility |
---|
| 1155 | // |
---|
| 1156 | function pun_trim($str, $charlist = false) |
---|
| 1157 | { |
---|
| 1158 | return utf8_trim($str, $charlist); |
---|
| 1159 | } |
---|
| 1160 | |
---|
| 1161 | // |
---|
| 1162 | // Checks if a string is in all uppercase |
---|
| 1163 | // |
---|
| 1164 | function is_all_uppercase($string) |
---|
| 1165 | { |
---|
| 1166 | return utf8_strtoupper($string) == $string && utf8_strtolower($string) != $string; |
---|
| 1167 | } |
---|
| 1168 | |
---|
| 1169 | |
---|
| 1170 | // |
---|
| 1171 | // Inserts $element into $input at $offset |
---|
| 1172 | // $offset can be either a numerical offset to insert at (eg: 0 inserts at the beginning of the array) |
---|
| 1173 | // or a string, which is the key that the new element should be inserted before |
---|
| 1174 | // $key is optional: it's used when inserting a new key/value pair into an associative array |
---|
| 1175 | // |
---|
| 1176 | function array_insert(&$input, $offset, $element, $key = null) |
---|
| 1177 | { |
---|
| 1178 | if ($key == null) |
---|
| 1179 | $key = $offset; |
---|
| 1180 | |
---|
| 1181 | // Determine the proper offset if we're using a string |
---|
| 1182 | if (!is_int($offset)) |
---|
| 1183 | $offset = array_search($offset, array_keys($input), true); |
---|
| 1184 | |
---|
| 1185 | // Out of bounds checks |
---|
| 1186 | if ($offset > count($input)) |
---|
| 1187 | $offset = count($input); |
---|
| 1188 | else if ($offset < 0) |
---|
| 1189 | $offset = 0; |
---|
| 1190 | |
---|
| 1191 | $input = array_merge(array_slice($input, 0, $offset), array($key => $element), array_slice($input, $offset)); |
---|
| 1192 | } |
---|
| 1193 | |
---|
| 1194 | |
---|
| 1195 | // |
---|
| 1196 | // Display a message when board is in maintenance mode |
---|
| 1197 | // |
---|
| 1198 | function maintenance_message() |
---|
| 1199 | { |
---|
| 1200 | global $db, $pun_config, $lang_common, $pun_user; |
---|
| 1201 | |
---|
| 1202 | // Send no-cache headers |
---|
| 1203 | header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) |
---|
| 1204 | header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); |
---|
| 1205 | header('Cache-Control: post-check=0, pre-check=0', false); |
---|
| 1206 | header('Pragma: no-cache'); // For HTTP/1.0 compatibility |
---|
| 1207 | |
---|
| 1208 | // Send the Content-type header in case the web server is setup to send something else |
---|
| 1209 | header('Content-type: text/html; charset=utf-8'); |
---|
| 1210 | |
---|
| 1211 | // Deal with newlines, tabs and multiple spaces |
---|
| 1212 | $pattern = array("\t", ' ', ' '); |
---|
| 1213 | $replace = array('    ', '  ', '  '); |
---|
| 1214 | $message = str_replace($pattern, $replace, $pun_config['o_maintenance_message']); |
---|
| 1215 | |
---|
| 1216 | if (file_exists(PUN_ROOT.'style/'.$pun_user['style'].'/maintenance.tpl')) |
---|
| 1217 | { |
---|
| 1218 | $tpl_file = PUN_ROOT.'style/'.$pun_user['style'].'/maintenance.tpl'; |
---|
| 1219 | $tpl_inc_dir = PUN_ROOT.'style/'.$pun_user['style'].'/'; |
---|
| 1220 | } |
---|
| 1221 | else |
---|
| 1222 | { |
---|
| 1223 | $tpl_file = PUN_ROOT.'include/template/maintenance.tpl'; |
---|
| 1224 | $tpl_inc_dir = PUN_ROOT.'include/user/'; |
---|
| 1225 | } |
---|
| 1226 | |
---|
| 1227 | $tpl_maint = file_get_contents($tpl_file); |
---|
| 1228 | |
---|
| 1229 | // START SUBST - <pun_include "*"> |
---|
| 1230 | preg_match_all('%<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">%i', $tpl_maint, $pun_includes, PREG_SET_ORDER); |
---|
| 1231 | |
---|
| 1232 | foreach ($pun_includes as $cur_include) |
---|
| 1233 | { |
---|
| 1234 | ob_start(); |
---|
| 1235 | |
---|
| 1236 | // Allow for overriding user includes, too. |
---|
| 1237 | if (file_exists($tpl_inc_dir.$cur_include[1].'.'.$cur_include[2])) |
---|
| 1238 | require $tpl_inc_dir.$cur_include[1].'.'.$cur_include[2]; |
---|
| 1239 | else if (file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2])) |
---|
| 1240 | require PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]; |
---|
| 1241 | else |
---|
| 1242 | error(sprintf($lang_common['Pun include error'], htmlspecialchars($cur_include[0]), basename($tpl_file))); |
---|
| 1243 | |
---|
| 1244 | $tpl_temp = ob_get_contents(); |
---|
| 1245 | $tpl_maint = str_replace($cur_include[0], $tpl_temp, $tpl_maint); |
---|
| 1246 | ob_end_clean(); |
---|
| 1247 | } |
---|
| 1248 | // END SUBST - <pun_include "*"> |
---|
| 1249 | |
---|
| 1250 | |
---|
| 1251 | // START SUBST - <pun_language> |
---|
| 1252 | $tpl_maint = str_replace('<pun_language>', $lang_common['lang_identifier'], $tpl_maint); |
---|
| 1253 | // END SUBST - <pun_language> |
---|
| 1254 | |
---|
| 1255 | |
---|
| 1256 | // START SUBST - <pun_content_direction> |
---|
| 1257 | $tpl_maint = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_maint); |
---|
| 1258 | // END SUBST - <pun_content_direction> |
---|
| 1259 | |
---|
| 1260 | |
---|
| 1261 | // START SUBST - <pun_head> |
---|
| 1262 | ob_start(); |
---|
| 1263 | |
---|
| 1264 | $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Maintenance']); |
---|
| 1265 | |
---|
| 1266 | ?> |
---|
| 1267 | <title><?php echo generate_page_title($page_title) ?></title> |
---|
| 1268 | <link rel="stylesheet" type="text/css" href="style/<?php echo $pun_user['style'].'.css' ?>" /> |
---|
| 1269 | <?php |
---|
| 1270 | |
---|
| 1271 | $tpl_temp = trim(ob_get_contents()); |
---|
| 1272 | $tpl_maint = str_replace('<pun_head>', $tpl_temp, $tpl_maint); |
---|
| 1273 | ob_end_clean(); |
---|
| 1274 | // END SUBST - <pun_head> |
---|
| 1275 | |
---|
| 1276 | |
---|
| 1277 | // START SUBST - <pun_maint_main> |
---|
| 1278 | ob_start(); |
---|
| 1279 | |
---|
| 1280 | ?> |
---|
| 1281 | <div class="block"> |
---|
| 1282 | <h2><?php echo $lang_common['Maintenance'] ?></h2> |
---|
| 1283 | <div class="box"> |
---|
| 1284 | <div class="inbox"> |
---|
| 1285 | <p><?php echo $message ?></p> |
---|
| 1286 | </div> |
---|
| 1287 | </div> |
---|
| 1288 | </div> |
---|
| 1289 | <?php |
---|
| 1290 | |
---|
| 1291 | $tpl_temp = trim(ob_get_contents()); |
---|
| 1292 | $tpl_maint = str_replace('<pun_maint_main>', $tpl_temp, $tpl_maint); |
---|
| 1293 | ob_end_clean(); |
---|
| 1294 | // END SUBST - <pun_maint_main> |
---|
| 1295 | |
---|
| 1296 | |
---|
| 1297 | // End the transaction |
---|
| 1298 | $db->end_transaction(); |
---|
| 1299 | |
---|
| 1300 | |
---|
| 1301 | // Close the db connection (and free up any result data) |
---|
| 1302 | $db->close(); |
---|
| 1303 | |
---|
| 1304 | exit($tpl_maint); |
---|
| 1305 | } |
---|
| 1306 | |
---|
| 1307 | |
---|
| 1308 | // |
---|
| 1309 | // Display $message and redirect user to $destination_url |
---|
| 1310 | // |
---|
| 1311 | function redirect($destination_url, $message) |
---|
| 1312 | { |
---|
| 1313 | global $db, $pun_config, $lang_common, $pun_user; |
---|
| 1314 | |
---|
| 1315 | // Prefix with base_url (unless there's already a valid URI) |
---|
| 1316 | if (strpos($destination_url, 'http://') !== 0 && strpos($destination_url, 'https://') !== 0 && strpos($destination_url, '/') !== 0) |
---|
| 1317 | $destination_url = get_base_url(true).'/'.$destination_url; |
---|
| 1318 | |
---|
| 1319 | // Do a little spring cleaning |
---|
| 1320 | $destination_url = preg_replace('%([\r\n])|(\%0[ad])|(;\s*data\s*:)%i', '', $destination_url); |
---|
| 1321 | |
---|
| 1322 | // If the delay is 0 seconds, we might as well skip the redirect all together |
---|
| 1323 | if ($pun_config['o_redirect_delay'] == '0') |
---|
| 1324 | header('Location: '.str_replace('&', '&', $destination_url)); |
---|
| 1325 | |
---|
| 1326 | // Send no-cache headers |
---|
| 1327 | header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) |
---|
| 1328 | header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); |
---|
| 1329 | header('Cache-Control: post-check=0, pre-check=0', false); |
---|
| 1330 | header('Pragma: no-cache'); // For HTTP/1.0 compatibility |
---|
| 1331 | |
---|
| 1332 | // Send the Content-type header in case the web server is setup to send something else |
---|
| 1333 | header('Content-type: text/html; charset=utf-8'); |
---|
| 1334 | |
---|
| 1335 | if (file_exists(PUN_ROOT.'style/'.$pun_user['style'].'/redirect.tpl')) |
---|
| 1336 | { |
---|
| 1337 | $tpl_file = PUN_ROOT.'style/'.$pun_user['style'].'/redirect.tpl'; |
---|
| 1338 | $tpl_inc_dir = PUN_ROOT.'style/'.$pun_user['style'].'/'; |
---|
| 1339 | } |
---|
| 1340 | else |
---|
| 1341 | { |
---|
| 1342 | $tpl_file = PUN_ROOT.'include/template/redirect.tpl'; |
---|
| 1343 | $tpl_inc_dir = PUN_ROOT.'include/user/'; |
---|
| 1344 | } |
---|
| 1345 | |
---|
| 1346 | $tpl_redir = file_get_contents($tpl_file); |
---|
| 1347 | |
---|
| 1348 | // START SUBST - <pun_include "*"> |
---|
| 1349 | preg_match_all('%<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">%i', $tpl_redir, $pun_includes, PREG_SET_ORDER); |
---|
| 1350 | |
---|
| 1351 | foreach ($pun_includes as $cur_include) |
---|
| 1352 | { |
---|
| 1353 | ob_start(); |
---|
| 1354 | |
---|
| 1355 | // Allow for overriding user includes, too. |
---|
| 1356 | if (file_exists($tpl_inc_dir.$cur_include[1].'.'.$cur_include[2])) |
---|
| 1357 | require $tpl_inc_dir.$cur_include[1].'.'.$cur_include[2]; |
---|
| 1358 | else if (file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2])) |
---|
| 1359 | require PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]; |
---|
| 1360 | else |
---|
| 1361 | error(sprintf($lang_common['Pun include error'], htmlspecialchars($cur_include[0]), basename($tpl_file))); |
---|
| 1362 | |
---|
| 1363 | $tpl_temp = ob_get_contents(); |
---|
| 1364 | $tpl_redir = str_replace($cur_include[0], $tpl_temp, $tpl_redir); |
---|
| 1365 | ob_end_clean(); |
---|
| 1366 | } |
---|
| 1367 | // END SUBST - <pun_include "*"> |
---|
| 1368 | |
---|
| 1369 | |
---|
| 1370 | // START SUBST - <pun_language> |
---|
| 1371 | $tpl_redir = str_replace('<pun_language>', $lang_common['lang_identifier'], $tpl_redir); |
---|
| 1372 | // END SUBST - <pun_language> |
---|
| 1373 | |
---|
| 1374 | |
---|
| 1375 | // START SUBST - <pun_content_direction> |
---|
| 1376 | $tpl_redir = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_redir); |
---|
| 1377 | // END SUBST - <pun_content_direction> |
---|
| 1378 | |
---|
| 1379 | |
---|
| 1380 | // START SUBST - <pun_head> |
---|
| 1381 | ob_start(); |
---|
| 1382 | |
---|
| 1383 | $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Redirecting']); |
---|
| 1384 | |
---|
| 1385 | ?> |
---|
| 1386 | <meta http-equiv="refresh" content="<?php echo $pun_config['o_redirect_delay'] ?>;URL=<?php echo str_replace(array('<', '>', '"'), array('<', '>', '"'), $destination_url) ?>" /> |
---|
| 1387 | <title><?php echo generate_page_title($page_title) ?></title> |
---|
| 1388 | <link rel="stylesheet" type="text/css" href="style/<?php echo $pun_user['style'].'.css' ?>" /> |
---|
| 1389 | <?php |
---|
| 1390 | |
---|
| 1391 | $tpl_temp = trim(ob_get_contents()); |
---|
| 1392 | $tpl_redir = str_replace('<pun_head>', $tpl_temp, $tpl_redir); |
---|
| 1393 | ob_end_clean(); |
---|
| 1394 | // END SUBST - <pun_head> |
---|
| 1395 | |
---|
| 1396 | |
---|
| 1397 | // START SUBST - <pun_redir_main> |
---|
| 1398 | ob_start(); |
---|
| 1399 | |
---|
| 1400 | ?> |
---|
| 1401 | <div class="block"> |
---|
| 1402 | <h2><?php echo $lang_common['Redirecting'] ?></h2> |
---|
| 1403 | <div class="box"> |
---|
| 1404 | <div class="inbox"> |
---|
| 1405 | <p><?php echo $message.'<br /><br /><a href="'.$destination_url.'">'.$lang_common['Click redirect'].'</a>' ?></p> |
---|
| 1406 | </div> |
---|
| 1407 | </div> |
---|
| 1408 | </div> |
---|
| 1409 | <?php |
---|
| 1410 | |
---|
| 1411 | $tpl_temp = trim(ob_get_contents()); |
---|
| 1412 | $tpl_redir = str_replace('<pun_redir_main>', $tpl_temp, $tpl_redir); |
---|
| 1413 | ob_end_clean(); |
---|
| 1414 | // END SUBST - <pun_redir_main> |
---|
| 1415 | |
---|
| 1416 | |
---|
| 1417 | // START SUBST - <pun_footer> |
---|
| 1418 | ob_start(); |
---|
| 1419 | |
---|
| 1420 | // End the transaction |
---|
| 1421 | $db->end_transaction(); |
---|
| 1422 | |
---|
| 1423 | // Display executed queries (if enabled) |
---|
| 1424 | if (defined('PUN_SHOW_QUERIES')) |
---|
| 1425 | display_saved_queries(); |
---|
| 1426 | |
---|
| 1427 | $tpl_temp = trim(ob_get_contents()); |
---|
| 1428 | $tpl_redir = str_replace('<pun_footer>', $tpl_temp, $tpl_redir); |
---|
| 1429 | ob_end_clean(); |
---|
| 1430 | // END SUBST - <pun_footer> |
---|
| 1431 | |
---|
| 1432 | |
---|
| 1433 | // Close the db connection (and free up any result data) |
---|
| 1434 | $db->close(); |
---|
| 1435 | |
---|
| 1436 | exit($tpl_redir); |
---|
| 1437 | } |
---|
| 1438 | |
---|
| 1439 | |
---|
| 1440 | // |
---|
| 1441 | // Display a simple error message |
---|
| 1442 | // |
---|
| 1443 | function error($message, $file = null, $line = null, $db_error = false) |
---|
| 1444 | { |
---|
| 1445 | global $pun_config, $lang_common; |
---|
| 1446 | |
---|
| 1447 | // Set some default settings if the script failed before $pun_config could be populated |
---|
| 1448 | if (empty($pun_config)) |
---|
| 1449 | { |
---|
| 1450 | $pun_config = array( |
---|
| 1451 | 'o_board_title' => 'FluxBB', |
---|
| 1452 | 'o_gzip' => '0' |
---|
| 1453 | ); |
---|
| 1454 | } |
---|
| 1455 | |
---|
| 1456 | // Set some default translations if the script failed before $lang_common could be populated |
---|
| 1457 | if (empty($lang_common)) |
---|
| 1458 | { |
---|
| 1459 | $lang_common = array( |
---|
| 1460 | 'Title separator' => ' / ', |
---|
| 1461 | 'Page' => 'Page %s' |
---|
| 1462 | ); |
---|
| 1463 | } |
---|
| 1464 | |
---|
| 1465 | // Empty all output buffers and stop buffering |
---|
| 1466 | while (@ob_end_clean()); |
---|
| 1467 | |
---|
| 1468 | // "Restart" output buffering if we are using ob_gzhandler (since the gzip header is already sent) |
---|
| 1469 | if ($pun_config['o_gzip'] && extension_loaded('zlib')) |
---|
| 1470 | ob_start('ob_gzhandler'); |
---|
| 1471 | |
---|
| 1472 | // Send no-cache headers |
---|
| 1473 | header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) |
---|
| 1474 | header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); |
---|
| 1475 | header('Cache-Control: post-check=0, pre-check=0', false); |
---|
| 1476 | header('Pragma: no-cache'); // For HTTP/1.0 compatibility |
---|
| 1477 | |
---|
| 1478 | // Send the Content-type header in case the web server is setup to send something else |
---|
| 1479 | header('Content-type: text/html; charset=utf-8'); |
---|
| 1480 | |
---|
| 1481 | ?> |
---|
| 1482 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
---|
| 1483 | <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr"> |
---|
| 1484 | <head> |
---|
| 1485 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
---|
| 1486 | <?php $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), 'Error') ?> |
---|
| 1487 | <title><?php echo generate_page_title($page_title) ?></title> |
---|
| 1488 | <style type="text/css"> |
---|
| 1489 | <!-- |
---|
| 1490 | BODY {MARGIN: 10% 20% auto 20%; font: 10px Verdana, Arial, Helvetica, sans-serif} |
---|
| 1491 | #errorbox {BORDER: 1px solid #B84623} |
---|
| 1492 | H2 {MARGIN: 0; COLOR: #FFFFFF; BACKGROUND-COLOR: #B84623; FONT-SIZE: 1.1em; PADDING: 5px 4px} |
---|
| 1493 | #errorbox DIV {PADDING: 6px 5px; BACKGROUND-COLOR: #F1F1F1} |
---|
| 1494 | --> |
---|
| 1495 | </style> |
---|
| 1496 | </head> |
---|
| 1497 | <body> |
---|
| 1498 | |
---|
| 1499 | <div id="errorbox"> |
---|
| 1500 | <h2>An error was encountered</h2> |
---|
| 1501 | <div> |
---|
| 1502 | <?php |
---|
| 1503 | |
---|
| 1504 | if (defined('PUN_DEBUG') && $file !== null && $line !== null) |
---|
| 1505 | { |
---|
| 1506 | echo "\t\t".'<strong>File:</strong> '.$file.'<br />'."\n\t\t".'<strong>Line:</strong> '.$line.'<br /><br />'."\n\t\t".'<strong>FluxBB reported</strong>: '.$message."\n"; |
---|
| 1507 | |
---|
| 1508 | if ($db_error) |
---|
| 1509 | { |
---|
| 1510 | echo "\t\t".'<br /><br /><strong>Database reported:</strong> '.pun_htmlspecialchars($db_error['error_msg']).(($db_error['error_no']) ? ' (Errno: '.$db_error['error_no'].')' : '')."\n"; |
---|
| 1511 | |
---|
| 1512 | if ($db_error['error_sql'] != '') |
---|
| 1513 | echo "\t\t".'<br /><br /><strong>Failed query:</strong> '.pun_htmlspecialchars($db_error['error_sql'])."\n"; |
---|
| 1514 | } |
---|
| 1515 | } |
---|
| 1516 | else |
---|
| 1517 | echo "\t\t".'Error: <strong>'.$message.'.</strong>'."\n"; |
---|
| 1518 | |
---|
| 1519 | ?> |
---|
| 1520 | </div> |
---|
| 1521 | </div> |
---|
| 1522 | |
---|
| 1523 | </body> |
---|
| 1524 | </html> |
---|
| 1525 | <?php |
---|
| 1526 | |
---|
| 1527 | // If a database connection was established (before this error) we close it |
---|
| 1528 | if ($db_error) |
---|
| 1529 | $GLOBALS['db']->close(); |
---|
| 1530 | |
---|
| 1531 | exit; |
---|
| 1532 | } |
---|
| 1533 | |
---|
| 1534 | |
---|
| 1535 | // |
---|
| 1536 | // Unset any variables instantiated as a result of register_globals being enabled |
---|
| 1537 | // |
---|
| 1538 | function forum_unregister_globals() |
---|
| 1539 | { |
---|
| 1540 | $register_globals = ini_get('register_globals'); |
---|
| 1541 | if ($register_globals === '' || $register_globals === '0' || strtolower($register_globals) === 'off') |
---|
| 1542 | return; |
---|
| 1543 | |
---|
| 1544 | // Prevent script.php?GLOBALS[foo]=bar |
---|
| 1545 | if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) |
---|
| 1546 | exit('I\'ll have a steak sandwich and... a steak sandwich.'); |
---|
| 1547 | |
---|
| 1548 | // Variables that shouldn't be unset |
---|
| 1549 | $no_unset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES'); |
---|
| 1550 | |
---|
| 1551 | // Remove elements in $GLOBALS that are present in any of the superglobals |
---|
| 1552 | $input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array()); |
---|
| 1553 | foreach ($input as $k => $v) |
---|
| 1554 | { |
---|
| 1555 | if (!in_array($k, $no_unset) && isset($GLOBALS[$k])) |
---|
| 1556 | { |
---|
| 1557 | unset($GLOBALS[$k]); |
---|
| 1558 | unset($GLOBALS[$k]); // Double unset to circumvent the zend_hash_del_key_or_index hole in PHP <4.4.3 and <5.1.4 |
---|
| 1559 | } |
---|
| 1560 | } |
---|
| 1561 | } |
---|
| 1562 | |
---|
| 1563 | |
---|
| 1564 | // |
---|
| 1565 | // Removes any "bad" characters (characters which mess with the display of a page, are invisible, etc) from user input |
---|
| 1566 | // |
---|
| 1567 | function forum_remove_bad_characters() |
---|
| 1568 | { |
---|
| 1569 | $_GET = remove_bad_characters($_GET); |
---|
| 1570 | $_POST = remove_bad_characters($_POST); |
---|
| 1571 | $_COOKIE = remove_bad_characters($_COOKIE); |
---|
| 1572 | $_REQUEST = remove_bad_characters($_REQUEST); |
---|
| 1573 | } |
---|
| 1574 | |
---|
| 1575 | // |
---|
| 1576 | // Removes any "bad" characters (characters which mess with the display of a page, are invisible, etc) from the given string |
---|
| 1577 | // See: http://kb.mozillazine.org/Network.IDN.blacklist_chars |
---|
| 1578 | // |
---|
| 1579 | function remove_bad_characters($array) |
---|
| 1580 | { |
---|
| 1581 | static $bad_utf8_chars; |
---|
| 1582 | |
---|
| 1583 | if (!isset($bad_utf8_chars)) |
---|
| 1584 | { |
---|
| 1585 | $bad_utf8_chars = array( |
---|
| 1586 | "\xcc\xb7" => '', // COMBINING SHORT SOLIDUS OVERLAY 0337 * |
---|
| 1587 | "\xcc\xb8" => '', // COMBINING LONG SOLIDUS OVERLAY 0338 * |
---|
| 1588 | "\xe1\x85\x9F" => '', // HANGUL CHOSEONG FILLER 115F * |
---|
| 1589 | "\xe1\x85\xA0" => '', // HANGUL JUNGSEONG FILLER 1160 * |
---|
| 1590 | "\xe2\x80\x8b" => '', // ZERO WIDTH SPACE 200B * |
---|
| 1591 | "\xe2\x80\x8c" => '', // ZERO WIDTH NON-JOINER 200C |
---|
| 1592 | "\xe2\x80\x8d" => '', // ZERO WIDTH JOINER 200D |
---|
| 1593 | "\xe2\x80\x8e" => '', // LEFT-TO-RIGHT MARK 200E |
---|
| 1594 | "\xe2\x80\x8f" => '', // RIGHT-TO-LEFT MARK 200F |
---|
| 1595 | "\xe2\x80\xaa" => '', // LEFT-TO-RIGHT EMBEDDING 202A |
---|
| 1596 | "\xe2\x80\xab" => '', // RIGHT-TO-LEFT EMBEDDING 202B |
---|
| 1597 | "\xe2\x80\xac" => '', // POP DIRECTIONAL FORMATTING 202C |
---|
| 1598 | "\xe2\x80\xad" => '', // LEFT-TO-RIGHT OVERRIDE 202D |
---|
| 1599 | "\xe2\x80\xae" => '', // RIGHT-TO-LEFT OVERRIDE 202E |
---|
| 1600 | "\xe2\x80\xaf" => '', // NARROW NO-BREAK SPACE 202F * |
---|
| 1601 | "\xe2\x81\x9f" => '', // MEDIUM MATHEMATICAL SPACE 205F * |
---|
| 1602 | "\xe2\x81\xa0" => '', // WORD JOINER 2060 |
---|
| 1603 | "\xe3\x85\xa4" => '', // HANGUL FILLER 3164 * |
---|
| 1604 | "\xef\xbb\xbf" => '', // ZERO WIDTH NO-BREAK SPACE FEFF |
---|
| 1605 | "\xef\xbe\xa0" => '', // HALFWIDTH HANGUL FILLER FFA0 * |
---|
| 1606 | "\xef\xbf\xb9" => '', // INTERLINEAR ANNOTATION ANCHOR FFF9 * |
---|
| 1607 | "\xef\xbf\xba" => '', // INTERLINEAR ANNOTATION SEPARATOR FFFA * |
---|
| 1608 | "\xef\xbf\xbb" => '', // INTERLINEAR ANNOTATION TERMINATOR FFFB * |
---|
| 1609 | "\xef\xbf\xbc" => '', // OBJECT REPLACEMENT CHARACTER FFFC * |
---|
| 1610 | "\xef\xbf\xbd" => '', // REPLACEMENT CHARACTER FFFD * |
---|
| 1611 | "\xe2\x80\x80" => ' ', // EN QUAD 2000 * |
---|
| 1612 | "\xe2\x80\x81" => ' ', // EM QUAD 2001 * |
---|
| 1613 | "\xe2\x80\x82" => ' ', // EN SPACE 2002 * |
---|
| 1614 | "\xe2\x80\x83" => ' ', // EM SPACE 2003 * |
---|
| 1615 | "\xe2\x80\x84" => ' ', // THREE-PER-EM SPACE 2004 * |
---|
| 1616 | "\xe2\x80\x85" => ' ', // FOUR-PER-EM SPACE 2005 * |
---|
| 1617 | "\xe2\x80\x86" => ' ', // SIX-PER-EM SPACE 2006 * |
---|
| 1618 | "\xe2\x80\x87" => ' ', // FIGURE SPACE 2007 * |
---|
| 1619 | "\xe2\x80\x88" => ' ', // PUNCTUATION SPACE 2008 * |
---|
| 1620 | "\xe2\x80\x89" => ' ', // THIN SPACE 2009 * |
---|
| 1621 | "\xe2\x80\x8a" => ' ', // HAIR SPACE 200A * |
---|
| 1622 | "\xE3\x80\x80" => ' ', // IDEOGRAPHIC SPACE 3000 * |
---|
| 1623 | ); |
---|
| 1624 | } |
---|
| 1625 | |
---|
| 1626 | if (is_array($array)) |
---|
| 1627 | return array_map('remove_bad_characters', $array); |
---|
| 1628 | |
---|
| 1629 | // Strip out any invalid characters |
---|
| 1630 | $array = utf8_bad_strip($array); |
---|
| 1631 | |
---|
| 1632 | // Remove control characters |
---|
| 1633 | $array = preg_replace('%[\x{00}-\x{08}\x{0b}-\x{0c}\x{0e}-\x{1f}]%', '', $array); |
---|
| 1634 | |
---|
| 1635 | // Replace some "bad" characters |
---|
| 1636 | $array = str_replace(array_keys($bad_utf8_chars), array_values($bad_utf8_chars), $array); |
---|
| 1637 | |
---|
| 1638 | return $array; |
---|
| 1639 | } |
---|
| 1640 | |
---|
| 1641 | |
---|
| 1642 | // |
---|
| 1643 | // Converts the file size in bytes to a human readable file size |
---|
| 1644 | // |
---|
| 1645 | function file_size($size) |
---|
| 1646 | { |
---|
| 1647 | global $lang_common; |
---|
| 1648 | |
---|
| 1649 | $units = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB'); |
---|
| 1650 | |
---|
| 1651 | for ($i = 0; $size > 1024; $i++) |
---|
| 1652 | $size /= 1024; |
---|
| 1653 | |
---|
| 1654 | return sprintf($lang_common['Size unit '.$units[$i]], round($size, 2));; |
---|
| 1655 | } |
---|
| 1656 | |
---|
| 1657 | |
---|
| 1658 | // |
---|
| 1659 | // Fetch a list of available styles |
---|
| 1660 | // |
---|
| 1661 | function forum_list_styles() |
---|
| 1662 | { |
---|
| 1663 | $styles = array(); |
---|
| 1664 | |
---|
| 1665 | $d = dir(PUN_ROOT.'style'); |
---|
| 1666 | while (($entry = $d->read()) !== false) |
---|
| 1667 | { |
---|
| 1668 | if ($entry{0} == '.') |
---|
| 1669 | continue; |
---|
| 1670 | |
---|
| 1671 | if (substr($entry, -4) == '.css') |
---|
| 1672 | $styles[] = substr($entry, 0, -4); |
---|
| 1673 | } |
---|
| 1674 | $d->close(); |
---|
| 1675 | |
---|
| 1676 | natcasesort($styles); |
---|
| 1677 | |
---|
| 1678 | return $styles; |
---|
| 1679 | } |
---|
| 1680 | |
---|
| 1681 | |
---|
| 1682 | // |
---|
| 1683 | // Fetch a list of available language packs |
---|
| 1684 | // |
---|
| 1685 | function forum_list_langs() |
---|
| 1686 | { |
---|
| 1687 | $languages = array(); |
---|
| 1688 | |
---|
| 1689 | $d = dir(PUN_ROOT.'lang'); |
---|
| 1690 | while (($entry = $d->read()) !== false) |
---|
| 1691 | { |
---|
| 1692 | if ($entry{0} == '.') |
---|
| 1693 | continue; |
---|
| 1694 | |
---|
| 1695 | if (is_dir(PUN_ROOT.'lang/'.$entry) && file_exists(PUN_ROOT.'lang/'.$entry.'/common.php')) |
---|
| 1696 | $languages[] = $entry; |
---|
| 1697 | } |
---|
| 1698 | $d->close(); |
---|
| 1699 | |
---|
| 1700 | natcasesort($languages); |
---|
| 1701 | |
---|
| 1702 | return $languages; |
---|
| 1703 | } |
---|
| 1704 | |
---|
| 1705 | |
---|
| 1706 | // |
---|
| 1707 | // Generate a cache ID based on the last modification time for all stopwords files |
---|
| 1708 | // |
---|
| 1709 | function generate_stopwords_cache_id() |
---|
| 1710 | { |
---|
| 1711 | $files = glob(PUN_ROOT.'lang/*/stopwords.txt'); |
---|
| 1712 | if ($files === false) |
---|
| 1713 | return 'cache_id_error'; |
---|
| 1714 | |
---|
| 1715 | $hash = array(); |
---|
| 1716 | |
---|
| 1717 | foreach ($files as $file) |
---|
| 1718 | { |
---|
| 1719 | $hash[] = $file; |
---|
| 1720 | $hash[] = filemtime($file); |
---|
| 1721 | } |
---|
| 1722 | |
---|
| 1723 | return sha1(implode('|', $hash)); |
---|
| 1724 | } |
---|
| 1725 | |
---|
| 1726 | |
---|
| 1727 | // |
---|
| 1728 | // Fetch a list of available admin plugins |
---|
| 1729 | // |
---|
| 1730 | function forum_list_plugins($is_admin) |
---|
| 1731 | { |
---|
| 1732 | $plugins = array(); |
---|
| 1733 | |
---|
| 1734 | $d = dir(PUN_ROOT.'plugins'); |
---|
| 1735 | while (($entry = $d->read()) !== false) |
---|
| 1736 | { |
---|
| 1737 | if ($entry{0} == '.') |
---|
| 1738 | continue; |
---|
| 1739 | |
---|
| 1740 | $prefix = substr($entry, 0, strpos($entry, '_')); |
---|
| 1741 | $suffix = substr($entry, strlen($entry) - 4); |
---|
| 1742 | |
---|
| 1743 | if ($suffix == '.php' && ((!$is_admin && $prefix == 'AMP') || ($is_admin && ($prefix == 'AP' || $prefix == 'AMP')))) |
---|
| 1744 | $plugins[$entry] = substr($entry, strpos($entry, '_') + 1, -4); |
---|
| 1745 | } |
---|
| 1746 | $d->close(); |
---|
| 1747 | |
---|
| 1748 | natcasesort($plugins); |
---|
| 1749 | |
---|
| 1750 | return $plugins; |
---|
| 1751 | } |
---|
| 1752 | |
---|
| 1753 | |
---|
| 1754 | // |
---|
| 1755 | // Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside) |
---|
| 1756 | // |
---|
| 1757 | function split_text($text, $start, $end, &$errors, $retab = true) |
---|
| 1758 | { |
---|
| 1759 | global $pun_config, $lang_common; |
---|
| 1760 | |
---|
| 1761 | $result = array(0 => array(), 1 => array()); // 0 = inside, 1 = outside |
---|
| 1762 | |
---|
| 1763 | // split the text into parts |
---|
| 1764 | $parts = preg_split('%'.preg_quote($start, '%').'(.*)'.preg_quote($end, '%').'%Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE); |
---|
| 1765 | $num_parts = count($parts); |
---|
| 1766 | |
---|
| 1767 | // preg_split results in outside parts having even indices, inside parts having odd |
---|
| 1768 | for ($i = 0;$i < $num_parts;$i++) |
---|
| 1769 | $result[1 - ($i % 2)][] = $parts[$i]; |
---|
| 1770 | |
---|
| 1771 | if ($pun_config['o_indent_num_spaces'] != 8 && $retab) |
---|
| 1772 | { |
---|
| 1773 | $spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']); |
---|
| 1774 | $result[1] = str_replace("\t", $spaces, $result[1]); |
---|
| 1775 | } |
---|
| 1776 | |
---|
| 1777 | return $result; |
---|
| 1778 | } |
---|
| 1779 | |
---|
| 1780 | |
---|
| 1781 | // |
---|
| 1782 | // Extract blocks from a text with a starting and ending string |
---|
| 1783 | // This function always matches the most outer block so nesting is possible |
---|
| 1784 | // |
---|
| 1785 | function extract_blocks($text, $start, $end, &$errors = array(), $retab = true) |
---|
| 1786 | { |
---|
| 1787 | global $pun_config; |
---|
| 1788 | |
---|
| 1789 | $code = array(); |
---|
| 1790 | $start_len = strlen($start); |
---|
| 1791 | $end_len = strlen($end); |
---|
| 1792 | $regex = '%(?:'.preg_quote($start, '%').'|'.preg_quote($end, '%').')%'; |
---|
| 1793 | $matches = array(); |
---|
| 1794 | |
---|
| 1795 | if (preg_match_all($regex, $text, $matches)) |
---|
| 1796 | { |
---|
| 1797 | $counter = $offset = 0; |
---|
| 1798 | $start_pos = $end_pos = false; |
---|
| 1799 | |
---|
| 1800 | foreach ($matches[0] as $match) |
---|
| 1801 | { |
---|
| 1802 | if ($match == $start) |
---|
| 1803 | { |
---|
| 1804 | if ($counter == 0) |
---|
| 1805 | $start_pos = strpos($text, $start); |
---|
| 1806 | $counter++; |
---|
| 1807 | } |
---|
| 1808 | elseif ($match == $end) |
---|
| 1809 | { |
---|
| 1810 | $counter--; |
---|
| 1811 | if ($counter == 0) |
---|
| 1812 | $end_pos = strpos($text, $end, $offset + 1); |
---|
| 1813 | $offset = strpos($text, $end, $offset + 1); |
---|
| 1814 | } |
---|
| 1815 | |
---|
| 1816 | if ($start_pos !== false && $end_pos !== false) |
---|
| 1817 | { |
---|
| 1818 | $code[] = substr($text, $start_pos + $start_len, |
---|
| 1819 | $end_pos - $start_pos - $start_len); |
---|
| 1820 | $text = substr_replace($text, "\1", $start_pos, |
---|
| 1821 | $end_pos - $start_pos + $end_len); |
---|
| 1822 | $start_pos = $end_pos = false; |
---|
| 1823 | $offset = 0; |
---|
| 1824 | } |
---|
| 1825 | } |
---|
| 1826 | } |
---|
| 1827 | |
---|
| 1828 | if ($pun_config['o_indent_num_spaces'] != 8 && $retab) |
---|
| 1829 | { |
---|
| 1830 | $spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']); |
---|
| 1831 | $text = str_replace("\t", $spaces, $text); |
---|
| 1832 | } |
---|
| 1833 | |
---|
| 1834 | return array($code, $text); |
---|
| 1835 | } |
---|
| 1836 | |
---|
| 1837 | |
---|
| 1838 | // |
---|
| 1839 | // function url_valid($url) { |
---|
| 1840 | // |
---|
| 1841 | // Return associative array of valid URI components, or FALSE if $url is not |
---|
| 1842 | // RFC-3986 compliant. If the passed URL begins with: "www." or "ftp.", then |
---|
| 1843 | // "http://" or "ftp://" is prepended and the corrected full-url is stored in |
---|
| 1844 | // the return array with a key name "url". This value should be used by the caller. |
---|
| 1845 | // |
---|
| 1846 | // Return value: FALSE if $url is not valid, otherwise array of URI components: |
---|
| 1847 | // e.g. |
---|
| 1848 | // Given: "http://www.jmrware.com:80/articles?height=10&width=75#fragone" |
---|
| 1849 | // Array( |
---|
| 1850 | // [scheme] => http |
---|
| 1851 | // [authority] => www.jmrware.com:80 |
---|
| 1852 | // [userinfo] => |
---|
| 1853 | // [host] => www.jmrware.com |
---|
| 1854 | // [IP_literal] => |
---|
| 1855 | // [IPV6address] => |
---|
| 1856 | // [ls32] => |
---|
| 1857 | // [IPvFuture] => |
---|
| 1858 | // [IPv4address] => |
---|
| 1859 | // [regname] => www.jmrware.com |
---|
| 1860 | // [port] => 80 |
---|
| 1861 | // [path_abempty] => /articles |
---|
| 1862 | // [query] => height=10&width=75 |
---|
| 1863 | // [fragment] => fragone |
---|
| 1864 | // [url] => http://www.jmrware.com:80/articles?height=10&width=75#fragone |
---|
| 1865 | // ) |
---|
| 1866 | function url_valid($url) |
---|
| 1867 | { |
---|
| 1868 | if (strpos($url, 'www.') === 0) $url = 'http://'. $url; |
---|
| 1869 | if (strpos($url, 'ftp.') === 0) $url = 'ftp://'. $url; |
---|
| 1870 | if (!preg_match('/# Valid absolute URI having a non-empty, valid DNS host. |
---|
| 1871 | ^ |
---|
| 1872 | (?P<scheme>[A-Za-z][A-Za-z0-9+\-.]*):\/\/ |
---|
| 1873 | (?P<authority> |
---|
| 1874 | (?:(?P<userinfo>(?:[A-Za-z0-9\-._~!$&\'()*+,;=:]|%[0-9A-Fa-f]{2})*)@)? |
---|
| 1875 | (?P<host> |
---|
| 1876 | (?P<IP_literal> |
---|
| 1877 | \[ |
---|
| 1878 | (?: |
---|
| 1879 | (?P<IPV6address> |
---|
| 1880 | (?: (?:[0-9A-Fa-f]{1,4}:){6} |
---|
| 1881 | | ::(?:[0-9A-Fa-f]{1,4}:){5} |
---|
| 1882 | | (?: [0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){4} |
---|
| 1883 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,1}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){3} |
---|
| 1884 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){2} |
---|
| 1885 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})?:: [0-9A-Fa-f]{1,4}: |
---|
| 1886 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})?:: |
---|
| 1887 | ) |
---|
| 1888 | (?P<ls32>[0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4} |
---|
| 1889 | | (?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3} |
---|
| 1890 | (?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?) |
---|
| 1891 | ) |
---|
| 1892 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})?:: [0-9A-Fa-f]{1,4} |
---|
| 1893 | | (?:(?:[0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})?:: |
---|
| 1894 | ) |
---|
| 1895 | | (?P<IPvFuture>[Vv][0-9A-Fa-f]+\.[A-Za-z0-9\-._~!$&\'()*+,;=:]+) |
---|
| 1896 | ) |
---|
| 1897 | \] |
---|
| 1898 | ) |
---|
| 1899 | | (?P<IPv4address>(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3} |
---|
| 1900 | (?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)) |
---|
| 1901 | | (?P<regname>(?:[A-Za-z0-9\-._~!$&\'()*+,;=]|%[0-9A-Fa-f]{2})+) |
---|
| 1902 | ) |
---|
| 1903 | (?::(?P<port>[0-9]*))? |
---|
| 1904 | ) |
---|
| 1905 | (?P<path_abempty>(?:\/(?:[A-Za-z0-9\-._~!$&\'()*+,;=:@]|%[0-9A-Fa-f]{2})*)*) |
---|
| 1906 | (?:\?(?P<query> (?:[A-Za-z0-9\-._~!$&\'()*+,;=:@\\/?]|%[0-9A-Fa-f]{2})*))? |
---|
| 1907 | (?:\#(?P<fragment> (?:[A-Za-z0-9\-._~!$&\'()*+,;=:@\\/?]|%[0-9A-Fa-f]{2})*))? |
---|
| 1908 | $ |
---|
| 1909 | /mx', $url, $m)) return FALSE; |
---|
| 1910 | switch ($m['scheme']) |
---|
| 1911 | { |
---|
| 1912 | case 'https': |
---|
| 1913 | case 'http': |
---|
| 1914 | if ($m['userinfo']) return FALSE; // HTTP scheme does not allow userinfo. |
---|
| 1915 | break; |
---|
| 1916 | case 'ftps': |
---|
| 1917 | case 'ftp': |
---|
| 1918 | break; |
---|
| 1919 | default: |
---|
| 1920 | return FALSE; // Unrecognised URI scheme. Default to FALSE. |
---|
| 1921 | } |
---|
| 1922 | // Validate host name conforms to DNS "dot-separated-parts". |
---|
| 1923 | if ($m{'regname'}) // If host regname specified, check for DNS conformance. |
---|
| 1924 | { |
---|
| 1925 | if (!preg_match('/# HTTP DNS host name. |
---|
| 1926 | ^ # Anchor to beginning of string. |
---|
| 1927 | (?!.{256}) # Overall host length is less than 256 chars. |
---|
| 1928 | (?: # Group dot separated host part alternatives. |
---|
| 1929 | [0-9A-Za-z]\. # Either a single alphanum followed by dot |
---|
| 1930 | | # or... part has more than one char (63 chars max). |
---|
| 1931 | [0-9A-Za-z] # Part first char is alphanum (no dash). |
---|
| 1932 | [\-0-9A-Za-z]{0,61} # Internal chars are alphanum plus dash. |
---|
| 1933 | [0-9A-Za-z] # Part last char is alphanum (no dash). |
---|
| 1934 | \. # Each part followed by literal dot. |
---|
| 1935 | )* # One or more parts before top level domain. |
---|
| 1936 | (?: # Explicitly specify top level domains. |
---|
| 1937 | com|edu|gov|int|mil|net|org|biz| |
---|
| 1938 | info|name|pro|aero|coop|museum| |
---|
| 1939 | asia|cat|jobs|mobi|tel|travel| |
---|
| 1940 | [A-Za-z]{2}) # Country codes are exqactly two alpha chars. |
---|
| 1941 | $ # Anchor to end of string. |
---|
| 1942 | /ix', $m['host'])) return FALSE; |
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| 1943 | } |
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| 1944 | $m['url'] = $url; |
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| 1945 | for ($i = 0; isset($m[$i]); ++$i) unset($m[$i]); |
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| 1946 | return $m; // return TRUE == array of useful named $matches plus the valid $url. |
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| 1947 | } |
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| 1948 | |
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| 1949 | // |
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| 1950 | // Replace string matching regular expression |
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| 1951 | // |
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| 1952 | // This function takes care of possibly disabled unicode properties in PCRE builds |
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| 1953 | // |
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| 1954 | function ucp_preg_replace($pattern, $replace, $subject) |
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| 1955 | { |
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| 1956 | $replaced = preg_replace($pattern, $replace, $subject); |
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| 1957 | |
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| 1958 | // If preg_replace() returns false, this probably means unicode support is not built-in, so we need to modify the pattern a little |
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| 1959 | if ($replaced === false) |
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| 1960 | { |
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| 1961 | if (is_array($pattern)) |
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| 1962 | { |
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| 1963 | foreach ($pattern as $cur_key => $cur_pattern) |
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| 1964 | $pattern[$cur_key] = str_replace('\p{L}\p{N}', '\w', $cur_pattern); |
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| 1965 | |
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| 1966 | $replaced = preg_replace($pattern, $replace, $subject); |
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| 1967 | } |
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| 1968 | else |
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| 1969 | $replaced = preg_replace(str_replace('\p{L}\p{N}', '\w', $pattern), $replace, $subject); |
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| 1970 | } |
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| 1971 | |
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| 1972 | return $replaced; |
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| 1973 | } |
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| 1974 | |
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| 1975 | // DEBUG FUNCTIONS BELOW |
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| 1976 | |
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| 1977 | // |
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| 1978 | // Display executed queries (if enabled) |
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| 1979 | // |
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| 1980 | function display_saved_queries() |
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| 1981 | { |
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| 1982 | global $db, $lang_common; |
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| 1983 | |
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| 1984 | // Get the queries so that we can print them out |
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| 1985 | $saved_queries = $db->get_saved_queries(); |
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| 1986 | |
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| 1987 | ?> |
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| 1988 | |
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| 1989 | <div id="debug" class="blocktable"> |
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| 1990 | <h2><span><?php echo $lang_common['Debug table'] ?></span></h2> |
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| 1991 | <div class="box"> |
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| 1992 | <div class="inbox"> |
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| 1993 | <table cellspacing="0"> |
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| 1994 | <thead> |
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| 1995 | <tr> |
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| 1996 | <th class="tcl" scope="col"><?php echo $lang_common['Query times'] ?></th> |
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| 1997 | <th class="tcr" scope="col"><?php echo $lang_common['Query'] ?></th> |
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| 1998 | </tr> |
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| 1999 | </thead> |
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| 2000 | <tbody> |
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| 2001 | <?php |
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| 2002 | |
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| 2003 | $query_time_total = 0.0; |
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| 2004 | foreach ($saved_queries as $cur_query) |
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| 2005 | { |
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| 2006 | $query_time_total += $cur_query[1]; |
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| 2007 | |
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| 2008 | ?> |
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| 2009 | <tr> |
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| 2010 | <td class="tcl"><?php echo ($cur_query[1] != 0) ? $cur_query[1] : ' ' ?></td> |
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| 2011 | <td class="tcr"><?php echo pun_htmlspecialchars($cur_query[0]) ?></td> |
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| 2012 | </tr> |
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| 2013 | <?php |
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| 2014 | |
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| 2015 | } |
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| 2016 | |
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| 2017 | ?> |
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| 2018 | <tr> |
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| 2019 | <td class="tcl" colspan="2"><?php printf($lang_common['Total query time'], $query_time_total.' s') ?></td> |
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| 2020 | </tr> |
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| 2021 | </tbody> |
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| 2022 | </table> |
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| 2023 | </div> |
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| 2024 | </div> |
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| 2025 | </div> |
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| 2026 | <?php |
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| 2027 | |
---|
| 2028 | } |
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| 2029 | |
---|
| 2030 | |
---|
| 2031 | // |
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| 2032 | // Dump contents of variable(s) |
---|
| 2033 | // |
---|
| 2034 | function dump() |
---|
| 2035 | { |
---|
| 2036 | echo '<pre>'; |
---|
| 2037 | |
---|
| 2038 | $num_args = func_num_args(); |
---|
| 2039 | |
---|
| 2040 | for ($i = 0; $i < $num_args; ++$i) |
---|
| 2041 | { |
---|
| 2042 | print_r(func_get_arg($i)); |
---|
| 2043 | echo "\n\n"; |
---|
| 2044 | } |
---|
| 2045 | |
---|
| 2046 | echo '</pre>'; |
---|
| 2047 | exit; |
---|
| 2048 | } |
---|