[2] | 1 | <?php |
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[362] | 2 | // +-----------------------------------------------------------------------+ |
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[2297] | 3 | // | Piwigo - a PHP based picture gallery | |
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| 4 | // +-----------------------------------------------------------------------+ |
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[5196] | 5 | // | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org | |
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[2297] | 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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[2] | 23 | |
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[2115] | 24 | // validate_mail_address: |
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| 25 | // o verifies whether the given mail address has the |
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| 26 | // right format. ie someone@domain.com "someone" can contain ".", "-" or |
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| 27 | // even "_". Exactly as "domain". The extension doesn't have to be |
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| 28 | // "com". The mail address can also be empty. |
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| 29 | // o check if address could be empty |
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| 30 | // o check if address is not used by a other user |
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[9] | 31 | // If the mail address doesn't correspond, an error message is returned. |
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[2127] | 32 | // |
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[2124] | 33 | function validate_mail_address($user_id, $mail_address) |
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[2] | 34 | { |
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[2115] | 35 | global $conf; |
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[2] | 36 | |
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[2032] | 37 | if (empty($mail_address) and |
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[2127] | 38 | !($conf['obligatory_user_mail_address'] and |
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[2124] | 39 | in_array(script_basename(), array('register', 'profile')))) |
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[2] | 40 | { |
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[9] | 41 | return ''; |
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[2] | 42 | } |
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[2115] | 43 | |
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[2507] | 44 | $atom = '[-a-z0-9!#$%&\'*+\\/=?^_`{|}~]'; // before arobase |
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[2572] | 45 | $domain = '([a-z0-9]([-a-z0-9]*[a-z0-9]+)?)'; // domain name |
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[2507] | 46 | $regex = '/^' . $atom . '+' . '(\.' . $atom . '+)*' . '@' . '(' . $domain . '{1,63}\.)+' . $domain . '{2,63}$/i'; |
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| 47 | |
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[9] | 48 | if ( !preg_match( $regex, $mail_address ) ) |
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| 49 | { |
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[5021] | 50 | return l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)'); |
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[9] | 51 | } |
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[2127] | 52 | |
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[2115] | 53 | if (defined("PHPWG_INSTALLED") and !empty($mail_address)) |
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| 54 | { |
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| 55 | $query = ' |
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| 56 | select count(*) |
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| 57 | from '.USERS_TABLE.' |
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| 58 | where upper('.$conf['user_fields']['email'].') = upper(\''.$mail_address.'\') |
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[2124] | 59 | '.(is_numeric($user_id) ? 'and '.$conf['user_fields']['id'].' != \''.$user_id.'\'' : '').' |
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[2115] | 60 | ;'; |
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[4325] | 61 | list($count) = pwg_db_fetch_row(pwg_query($query)); |
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[2115] | 62 | if ($count != 0) |
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| 63 | { |
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[5021] | 64 | return l10n('a user use already this mail address'); |
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[2115] | 65 | } |
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| 66 | } |
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[2] | 67 | } |
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| 68 | |
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[4429] | 69 | // validate_login_case: |
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| 70 | // o check if login is not used by a other user |
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| 71 | // If the login doesn't correspond, an error message is returned. |
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| 72 | // |
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| 73 | function validate_login_case($login) |
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| 74 | { |
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| 75 | global $conf; |
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| 76 | |
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| 77 | if (defined("PHPWG_INSTALLED")) |
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| 78 | { |
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| 79 | $query = " |
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| 80 | SELECT ".$conf['user_fields']['username']." |
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| 81 | FROM ".USERS_TABLE." |
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| 82 | WHERE LOWER(".stripslashes($conf['user_fields']['username']).") = '".strtolower($login)."' |
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| 83 | ;"; |
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| 84 | |
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| 85 | $count = pwg_db_num_rows(pwg_query($query)); |
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| 86 | |
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| 87 | if ($count > 0) |
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| 88 | { |
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[5021] | 89 | return l10n('this login is already used'); |
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[4429] | 90 | } |
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| 91 | } |
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| 92 | } |
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| 93 | |
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[2178] | 94 | function register_user($login, $password, $mail_address, |
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| 95 | $with_notification = true, $errors = array()) |
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[2] | 96 | { |
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[2115] | 97 | global $conf; |
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[2] | 98 | |
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[661] | 99 | if ($login == '') |
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| 100 | { |
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[5021] | 101 | array_push($errors, l10n('Please, enter a login')); |
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[661] | 102 | } |
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[3747] | 103 | if (preg_match('/^.* $/', $login)) |
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[661] | 104 | { |
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[5021] | 105 | array_push($errors, l10n('login mustn\'t end with a space character')); |
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[661] | 106 | } |
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[3747] | 107 | if (preg_match('/^ .*$/', $login)) |
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[661] | 108 | { |
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[5021] | 109 | array_push($errors, l10n('login mustn\'t start with a space character')); |
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[661] | 110 | } |
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[808] | 111 | if (get_userid($login)) |
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[804] | 112 | { |
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[5021] | 113 | array_push($errors, l10n('this login is already used')); |
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[2] | 114 | } |
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[2124] | 115 | $mail_error = validate_mail_address(null, $mail_address); |
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[808] | 116 | if ('' != $mail_error) |
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[661] | 117 | { |
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[808] | 118 | array_push($errors, $mail_error); |
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[661] | 119 | } |
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[2] | 120 | |
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[5060] | 121 | if ($conf['insensitive_case_logon'] == true) |
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[4429] | 122 | { |
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| 123 | $login_error = validate_login_case($login); |
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| 124 | if ($login_error != '') |
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| 125 | { |
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| 126 | array_push($errors, $login_error); |
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| 127 | } |
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| 128 | } |
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| 129 | |
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[2237] | 130 | $errors = trigger_event('register_user_check', |
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| 131 | $errors, |
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| 132 | array( |
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[2268] | 133 | 'username'=>$login, |
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[2237] | 134 | 'password'=>$password, |
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| 135 | 'email'=>$mail_address, |
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| 136 | ) |
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| 137 | ); |
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| 138 | |
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[9] | 139 | // if no error until here, registration of the user |
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[661] | 140 | if (count($errors) == 0) |
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[2] | 141 | { |
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[906] | 142 | // what will be the inserted id ? |
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| 143 | $query = ' |
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| 144 | SELECT MAX('.$conf['user_fields']['id'].') + 1 |
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| 145 | FROM '.USERS_TABLE.' |
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| 146 | ;'; |
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[4325] | 147 | list($next_id) = pwg_db_fetch_row(pwg_query($query)); |
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[1068] | 148 | |
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[808] | 149 | $insert = |
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| 150 | array( |
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[906] | 151 | $conf['user_fields']['id'] => $next_id, |
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[4325] | 152 | $conf['user_fields']['username'] => pwg_db_real_escape_string($login), |
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[808] | 153 | $conf['user_fields']['password'] => $conf['pass_convert']($password), |
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| 154 | $conf['user_fields']['email'] => $mail_address |
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| 155 | ); |
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[661] | 156 | |
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[808] | 157 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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| 158 | mass_inserts(USERS_TABLE, array_keys($insert), array($insert)); |
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[1068] | 159 | |
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[2178] | 160 | // Assign by default groups |
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| 161 | { |
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| 162 | $query = ' |
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[1583] | 163 | SELECT id |
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| 164 | FROM '.GROUPS_TABLE.' |
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| 165 | WHERE is_default = \''.boolean_to_string(true).'\' |
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| 166 | ORDER BY id ASC |
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| 167 | ;'; |
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[2178] | 168 | $result = pwg_query($query); |
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[1581] | 169 | |
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[2178] | 170 | $inserts = array(); |
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[4325] | 171 | while ($row = pwg_db_fetch_assoc($result)) |
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[2178] | 172 | { |
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| 173 | array_push |
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[1583] | 174 | ( |
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[2178] | 175 | $inserts, |
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| 176 | array |
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| 177 | ( |
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| 178 | 'user_id' => $next_id, |
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| 179 | 'group_id' => $row['id'] |
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| 180 | ) |
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| 181 | ); |
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| 182 | } |
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[1583] | 183 | } |
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[1581] | 184 | |
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[1583] | 185 | if (count($inserts) != 0) |
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| 186 | { |
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[1581] | 187 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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[1583] | 188 | mass_inserts(USER_GROUP_TABLE, array('user_id', 'group_id'), $inserts); |
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[1581] | 189 | } |
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| 190 | |
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[2425] | 191 | $override = null; |
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| 192 | if ($with_notification and $conf['browser_language']) |
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| 193 | { |
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| 194 | if ( !get_browser_language($override['language']) ) |
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| 195 | $override=null; |
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| 196 | } |
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| 197 | create_user_infos($next_id, $override); |
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[1605] | 198 | |
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[2178] | 199 | if ($with_notification and $conf['email_admin_on_new_user']) |
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| 200 | { |
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| 201 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 202 | $admin_url = get_absolute_root_url() |
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[2268] | 203 | .'admin.php?page=user_list&username='.$login; |
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[2178] | 204 | |
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| 205 | $keyargs_content = array |
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| 206 | ( |
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[4304] | 207 | get_l10n_args('User: %s', stripslashes($login)), |
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[2178] | 208 | get_l10n_args('Email: %s', $_POST['mail_address']), |
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| 209 | get_l10n_args('', ''), |
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| 210 | get_l10n_args('Admin: %s', $admin_url) |
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| 211 | ); |
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| 212 | |
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| 213 | pwg_mail_notification_admins |
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| 214 | ( |
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[4304] | 215 | get_l10n_args('Registration of %s', stripslashes($login)), |
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[2178] | 216 | $keyargs_content |
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| 217 | ); |
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| 218 | } |
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| 219 | |
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[1605] | 220 | trigger_action('register_user', |
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| 221 | array( |
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| 222 | 'id'=>$next_id, |
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| 223 | 'username'=>$login, |
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| 224 | 'email'=>$mail_address, |
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| 225 | ) |
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| 226 | ); |
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[2] | 227 | } |
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[906] | 228 | |
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[661] | 229 | return $errors; |
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[2] | 230 | } |
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| 231 | |
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[1677] | 232 | function build_user( $user_id, $use_cache ) |
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[1568] | 233 | { |
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| 234 | global $conf; |
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[2038] | 235 | |
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[1568] | 236 | $user['id'] = $user_id; |
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[1677] | 237 | $user = array_merge( $user, getuserdata($user_id, $use_cache) ); |
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[1926] | 238 | |
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[2055] | 239 | if ($user['id'] == $conf['guest_id'] and $user['status'] <> 'guest') |
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| 240 | { |
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| 241 | $user['status'] = 'guest'; |
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| 242 | $user['internal_status']['guest_must_be_guest'] = true; |
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| 243 | } |
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| 244 | |
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[1568] | 245 | // calculation of the number of picture to display per page |
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| 246 | $user['nb_image_page'] = $user['nb_image_line'] * $user['nb_line_page']; |
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| 247 | |
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[5123] | 248 | // Check user theme |
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[5264] | 249 | if (!isset($user['theme_name'])) |
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[5123] | 250 | { |
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[5264] | 251 | $user['theme'] = get_default_theme(); |
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[5123] | 252 | } |
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[2039] | 253 | |
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[1568] | 254 | return $user; |
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| 255 | } |
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| 256 | |
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[808] | 257 | /** |
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| 258 | * find informations related to the user identifier |
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| 259 | * |
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| 260 | * @param int user identifier |
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| 261 | * @param boolean use_cache |
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| 262 | * @param array |
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| 263 | */ |
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[1677] | 264 | function getuserdata($user_id, $use_cache) |
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[393] | 265 | { |
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[808] | 266 | global $conf; |
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| 267 | |
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| 268 | $userdata = array(); |
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[1068] | 269 | |
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[6312] | 270 | // retrieve basic user data |
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[808] | 271 | $query = ' |
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| 272 | SELECT '; |
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| 273 | $is_first = true; |
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| 274 | foreach ($conf['user_fields'] as $pwgfield => $dbfield) |
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| 275 | { |
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| 276 | if ($is_first) |
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| 277 | { |
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| 278 | $is_first = false; |
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| 279 | } |
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| 280 | else |
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| 281 | { |
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| 282 | $query.= ' |
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| 283 | , '; |
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| 284 | } |
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| 285 | $query.= $dbfield.' AS '.$pwgfield; |
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| 286 | } |
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| 287 | $query.= ' |
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| 288 | FROM '.USERS_TABLE.' |
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[3622] | 289 | WHERE '.$conf['user_fields']['id'].' = \''.$user_id.'\''; |
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[1068] | 290 | |
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[4325] | 291 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
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[808] | 292 | |
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[6511] | 293 | // retrieve user info |
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[6312] | 294 | $query = ' |
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| 295 | SELECT |
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| 296 | ui.*, |
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| 297 | uc.*, |
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| 298 | t.name AS theme_name |
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[5264] | 299 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 300 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 301 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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[6511] | 302 | WHERE ui.user_id = '.$user_id.' |
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[6312] | 303 | ;'; |
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[6511] | 304 | |
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[6312] | 305 | $result = pwg_query($query); |
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| 306 | $user_infos_row = pwg_db_fetch_assoc($result); |
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[6511] | 307 | |
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| 308 | // retrieve additional user data ? |
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| 309 | if ($conf['external_authentification']) |
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| 310 | { |
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| 311 | $query = ' |
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| 312 | SELECT |
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| 313 | COUNT(1) AS counter, |
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| 314 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 315 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 316 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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| 317 | WHERE ui.user_id = '.$user_id.' |
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| 318 | GROUP BY ui.user_id |
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| 319 | ;'; |
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| 320 | if (pwg_db_fetch_row(pwg_query($query))!=1) |
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| 321 | { |
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| 322 | create_user_infos($user_id); |
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[6312] | 323 | |
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[6511] | 324 | $result = pwg_query($user_info_query); |
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| 325 | $user_infos_row = pwg_db_fetch_assoc($result); |
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| 326 | } |
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[808] | 327 | } |
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[1068] | 328 | |
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[6312] | 329 | // then merge basic + additional user data |
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| 330 | $row = array_merge($row, $user_infos_row); |
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[1068] | 331 | |
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[808] | 332 | foreach ($row as $key => $value) |
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| 333 | { |
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| 334 | if (!is_numeric($key)) |
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| 335 | { |
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| 336 | // If the field is true or false, the variable is transformed into a |
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| 337 | // boolean value. |
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| 338 | if ($value == 'true' or $value == 'false') |
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| 339 | { |
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| 340 | $userdata[$key] = get_boolean($value); |
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| 341 | } |
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| 342 | else |
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| 343 | { |
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| 344 | $userdata[$key] = $value; |
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| 345 | } |
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| 346 | } |
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| 347 | } |
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| 348 | |
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| 349 | if ($use_cache) |
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| 350 | { |
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| 351 | if (!isset($userdata['need_update']) |
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| 352 | or !is_bool($userdata['need_update']) |
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[1677] | 353 | or $userdata['need_update'] == true) |
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[808] | 354 | { |
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[2448] | 355 | $userdata['cache_update_time'] = time(); |
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| 356 | |
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| 357 | // Set need update are done |
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| 358 | $userdata['need_update'] = false; |
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| 359 | |
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[808] | 360 | $userdata['forbidden_categories'] = |
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| 361 | calculate_permissions($userdata['id'], $userdata['status']); |
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| 362 | |
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[2084] | 363 | /* now we build the list of forbidden images (this list does not contain |
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| 364 | images that are not in at least an authorized category)*/ |
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| 365 | $query = ' |
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| 366 | SELECT DISTINCT(id) |
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| 367 | FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id=image_id |
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| 368 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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| 369 | AND level>'.$userdata['level']; |
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| 370 | $forbidden_ids = array_from_query($query, 'id'); |
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| 371 | |
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| 372 | if ( empty($forbidden_ids) ) |
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| 373 | { |
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| 374 | array_push( $forbidden_ids, 0 ); |
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| 375 | } |
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| 376 | $userdata['image_access_type'] = 'NOT IN'; //TODO maybe later |
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| 377 | $userdata['image_access_list'] = implode(',',$forbidden_ids); |
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| 378 | |
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[1624] | 379 | |
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[1081] | 380 | $query = ' |
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| 381 | SELECT COUNT(DISTINCT(image_id)) as total |
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| 382 | FROM '.IMAGE_CATEGORY_TABLE.' |
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| 383 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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[3622] | 384 | AND image_id '.$userdata['image_access_type'].' ('.$userdata['image_access_list'].')'; |
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[4325] | 385 | list($userdata['nb_total_images']) = pwg_db_fetch_row(pwg_query($query)); |
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[1081] | 386 | |
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[3622] | 387 | |
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| 388 | // now we update user cache categories |
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| 389 | $user_cache_cats = get_computed_categories($userdata, null); |
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| 390 | if ( !is_admin($userdata['status']) ) |
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| 391 | { // for non admins we forbid categories with no image (feature 1053) |
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| 392 | $forbidden_ids = array(); |
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[3640] | 393 | foreach ($user_cache_cats as $cat) |
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[3622] | 394 | { |
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| 395 | if ($cat['count_images']==0) |
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| 396 | { |
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[3640] | 397 | array_push($forbidden_ids, $cat['cat_id']); |
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| 398 | unset( $user_cache_cats[$cat['cat_id']] ); |
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[3622] | 399 | } |
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| 400 | } |
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| 401 | if ( !empty($forbidden_ids) ) |
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| 402 | { |
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| 403 | if ( empty($userdata['forbidden_categories']) ) |
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| 404 | { |
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| 405 | $userdata['forbidden_categories'] = implode(',', $forbidden_ids); |
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| 406 | } |
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| 407 | else |
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| 408 | { |
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| 409 | $userdata['forbidden_categories'] .= ','.implode(',', $forbidden_ids); |
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| 410 | } |
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| 411 | } |
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| 412 | } |
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| 413 | |
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| 414 | // delete user cache |
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| 415 | $query = ' |
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| 416 | DELETE FROM '.USER_CACHE_CATEGORIES_TABLE.' |
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| 417 | WHERE user_id = '.$userdata['id']; |
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| 418 | pwg_query($query); |
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| 419 | |
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| 420 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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| 421 | mass_inserts |
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| 422 | ( |
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| 423 | USER_CACHE_CATEGORIES_TABLE, |
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| 424 | array |
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| 425 | ( |
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| 426 | 'user_id', 'cat_id', |
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| 427 | 'date_last', 'max_date_last', 'nb_images', 'count_images', 'count_categories' |
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| 428 | ), |
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| 429 | $user_cache_cats |
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| 430 | ); |
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| 431 | |
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| 432 | |
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[808] | 433 | // update user cache |
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| 434 | $query = ' |
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| 435 | DELETE FROM '.USER_CACHE_TABLE.' |
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[3622] | 436 | WHERE user_id = '.$userdata['id']; |
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[808] | 437 | pwg_query($query); |
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[1068] | 438 | |
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[808] | 439 | $query = ' |
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| 440 | INSERT INTO '.USER_CACHE_TABLE.' |
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[2448] | 441 | (user_id, need_update, cache_update_time, forbidden_categories, nb_total_images, |
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[2084] | 442 | image_access_type, image_access_list) |
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[808] | 443 | VALUES |
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[2448] | 444 | ('.$userdata['id'].',\''.boolean_to_string($userdata['need_update']).'\',' |
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| 445 | .$userdata['cache_update_time'].',\'' |
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[4367] | 446 | .$userdata['forbidden_categories'].'\','.$userdata['nb_total_images'].',\'' |
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| 447 | .$userdata['image_access_type'].'\',\''.$userdata['image_access_list'].'\')'; |
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[808] | 448 | pwg_query($query); |
---|
| 449 | } |
---|
| 450 | } |
---|
| 451 | |
---|
| 452 | return $userdata; |
---|
[393] | 453 | } |
---|
[647] | 454 | |
---|
| 455 | /* |
---|
| 456 | * deletes favorites of the current user if he's not allowed to see them |
---|
| 457 | * |
---|
| 458 | * @return void |
---|
| 459 | */ |
---|
| 460 | function check_user_favorites() |
---|
| 461 | { |
---|
| 462 | global $user; |
---|
| 463 | |
---|
| 464 | if ($user['forbidden_categories'] == '') |
---|
| 465 | { |
---|
| 466 | return; |
---|
| 467 | } |
---|
[832] | 468 | |
---|
[1677] | 469 | // $filter['visible_categories'] and $filter['visible_images'] |
---|
| 470 | // must be not used because filter <> restriction |
---|
[832] | 471 | // retrieving images allowed : belonging to at least one authorized |
---|
| 472 | // category |
---|
[647] | 473 | $query = ' |
---|
[832] | 474 | SELECT DISTINCT f.image_id |
---|
[647] | 475 | FROM '.FAVORITES_TABLE.' AS f INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic |
---|
| 476 | ON f.image_id = ic.image_id |
---|
| 477 | WHERE f.user_id = '.$user['id'].' |
---|
[1677] | 478 | '.get_sql_condition_FandF |
---|
| 479 | ( |
---|
| 480 | array |
---|
| 481 | ( |
---|
| 482 | 'forbidden_categories' => 'ic.category_id', |
---|
| 483 | ), |
---|
| 484 | 'AND' |
---|
| 485 | ).' |
---|
[647] | 486 | ;'; |
---|
| 487 | $result = pwg_query($query); |
---|
[832] | 488 | $authorizeds = array(); |
---|
[4325] | 489 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[647] | 490 | { |
---|
[832] | 491 | array_push($authorizeds, $row['image_id']); |
---|
[647] | 492 | } |
---|
| 493 | |
---|
[832] | 494 | $query = ' |
---|
| 495 | SELECT image_id |
---|
| 496 | FROM '.FAVORITES_TABLE.' |
---|
| 497 | WHERE user_id = '.$user['id'].' |
---|
| 498 | ;'; |
---|
| 499 | $result = pwg_query($query); |
---|
| 500 | $favorites = array(); |
---|
[4325] | 501 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[647] | 502 | { |
---|
[832] | 503 | array_push($favorites, $row['image_id']); |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | $to_deletes = array_diff($favorites, $authorizeds); |
---|
| 507 | |
---|
| 508 | if (count($to_deletes) > 0) |
---|
| 509 | { |
---|
[647] | 510 | $query = ' |
---|
| 511 | DELETE FROM '.FAVORITES_TABLE.' |
---|
[832] | 512 | WHERE image_id IN ('.implode(',', $to_deletes).') |
---|
[647] | 513 | AND user_id = '.$user['id'].' |
---|
| 514 | ;'; |
---|
| 515 | pwg_query($query); |
---|
| 516 | } |
---|
| 517 | } |
---|
[648] | 518 | |
---|
| 519 | /** |
---|
[808] | 520 | * calculates the list of forbidden categories for a given user |
---|
[648] | 521 | * |
---|
[808] | 522 | * Calculation is based on private categories minus categories authorized to |
---|
| 523 | * the groups the user belongs to minus the categories directly authorized |
---|
| 524 | * to the user. The list contains at least -1 to be compliant with queries |
---|
| 525 | * such as "WHERE category_id NOT IN ($forbidden_categories)" |
---|
[648] | 526 | * |
---|
| 527 | * @param int user_id |
---|
[680] | 528 | * @param string user_status |
---|
[648] | 529 | * @return string forbidden_categories |
---|
| 530 | */ |
---|
[680] | 531 | function calculate_permissions($user_id, $user_status) |
---|
[648] | 532 | { |
---|
| 533 | $private_array = array(); |
---|
| 534 | $authorized_array = array(); |
---|
| 535 | |
---|
| 536 | $query = ' |
---|
| 537 | SELECT id |
---|
| 538 | FROM '.CATEGORIES_TABLE.' |
---|
| 539 | WHERE status = \'private\' |
---|
| 540 | ;'; |
---|
| 541 | $result = pwg_query($query); |
---|
[4325] | 542 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[648] | 543 | { |
---|
| 544 | array_push($private_array, $row['id']); |
---|
| 545 | } |
---|
[680] | 546 | |
---|
[648] | 547 | // retrieve category ids directly authorized to the user |
---|
| 548 | $query = ' |
---|
| 549 | SELECT cat_id |
---|
| 550 | FROM '.USER_ACCESS_TABLE.' |
---|
| 551 | WHERE user_id = '.$user_id.' |
---|
| 552 | ;'; |
---|
[808] | 553 | $authorized_array = array_from_query($query, 'cat_id'); |
---|
[648] | 554 | |
---|
| 555 | // retrieve category ids authorized to the groups the user belongs to |
---|
| 556 | $query = ' |
---|
| 557 | SELECT cat_id |
---|
| 558 | FROM '.USER_GROUP_TABLE.' AS ug INNER JOIN '.GROUP_ACCESS_TABLE.' AS ga |
---|
| 559 | ON ug.group_id = ga.group_id |
---|
| 560 | WHERE ug.user_id = '.$user_id.' |
---|
| 561 | ;'; |
---|
[808] | 562 | $authorized_array = |
---|
| 563 | array_merge( |
---|
| 564 | $authorized_array, |
---|
| 565 | array_from_query($query, 'cat_id') |
---|
| 566 | ); |
---|
[648] | 567 | |
---|
| 568 | // uniquify ids : some private categories might be authorized for the |
---|
| 569 | // groups and for the user |
---|
| 570 | $authorized_array = array_unique($authorized_array); |
---|
| 571 | |
---|
| 572 | // only unauthorized private categories are forbidden |
---|
| 573 | $forbidden_array = array_diff($private_array, $authorized_array); |
---|
| 574 | |
---|
[1117] | 575 | // if user is not an admin, locked categories are forbidden |
---|
[1851] | 576 | if (!is_admin($user_status)) |
---|
[1117] | 577 | { |
---|
| 578 | $query = ' |
---|
| 579 | SELECT id |
---|
| 580 | FROM '.CATEGORIES_TABLE.' |
---|
| 581 | WHERE visible = \'false\' |
---|
| 582 | ;'; |
---|
| 583 | $result = pwg_query($query); |
---|
[4325] | 584 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1117] | 585 | { |
---|
| 586 | array_push($forbidden_array, $row['id']); |
---|
| 587 | } |
---|
| 588 | $forbidden_array = array_unique($forbidden_array); |
---|
| 589 | } |
---|
[1068] | 590 | |
---|
[1117] | 591 | if ( empty($forbidden_array) ) |
---|
[1331] | 592 | {// at least, the list contains 0 value. This category does not exists so |
---|
| 593 | // where clauses such as "WHERE category_id NOT IN(0)" will always be |
---|
[1117] | 594 | // true. |
---|
[1331] | 595 | array_push($forbidden_array, 0); |
---|
[1117] | 596 | } |
---|
| 597 | |
---|
[808] | 598 | return implode(',', $forbidden_array); |
---|
[648] | 599 | } |
---|
[708] | 600 | |
---|
| 601 | /** |
---|
[1677] | 602 | * compute data of categories branches (one branch only) |
---|
[1624] | 603 | */ |
---|
[1640] | 604 | function compute_branch_cat_data(&$cats, &$list_cat_id, &$level, &$ref_level) |
---|
[1624] | 605 | { |
---|
[1640] | 606 | $date = ''; |
---|
| 607 | $count_images = 0; |
---|
| 608 | $count_categories = 0; |
---|
| 609 | do |
---|
[1624] | 610 | { |
---|
[1640] | 611 | $cat_id = array_pop($list_cat_id); |
---|
| 612 | if (!is_null($cat_id)) |
---|
[1624] | 613 | { |
---|
[1640] | 614 | // Count images and categories |
---|
| 615 | $cats[$cat_id]['count_images'] += $count_images; |
---|
| 616 | $cats[$cat_id]['count_categories'] += $count_categories; |
---|
| 617 | $count_images = $cats[$cat_id]['count_images']; |
---|
| 618 | $count_categories = $cats[$cat_id]['count_categories'] + 1; |
---|
| 619 | |
---|
| 620 | if ((empty($cats[$cat_id]['max_date_last'])) or ($cats[$cat_id]['max_date_last'] < $date)) |
---|
[1624] | 621 | { |
---|
[1640] | 622 | $cats[$cat_id]['max_date_last'] = $date; |
---|
[1624] | 623 | } |
---|
| 624 | else |
---|
| 625 | { |
---|
[1640] | 626 | $date = $cats[$cat_id]['max_date_last']; |
---|
[1624] | 627 | } |
---|
[1640] | 628 | $ref_level = substr_count($cats[$cat_id]['global_rank'], '.') + 1; |
---|
| 629 | } |
---|
| 630 | else |
---|
[1624] | 631 | { |
---|
[1640] | 632 | $ref_level = 0; |
---|
[1624] | 633 | } |
---|
[1640] | 634 | } while ($level <= $ref_level); |
---|
| 635 | |
---|
| 636 | // Last cat updating must be added to list for next branch |
---|
| 637 | if ($ref_level <> 0) |
---|
| 638 | { |
---|
| 639 | array_push($list_cat_id, $cat_id); |
---|
[1624] | 640 | } |
---|
[1640] | 641 | } |
---|
[1624] | 642 | |
---|
[1640] | 643 | /** |
---|
[1677] | 644 | * compute data of categories branches |
---|
[1640] | 645 | */ |
---|
[1677] | 646 | function compute_categories_data(&$cats) |
---|
[1640] | 647 | { |
---|
[1677] | 648 | $ref_level = 0; |
---|
| 649 | $level = 0; |
---|
| 650 | $list_cat_id = array(); |
---|
[1624] | 651 | |
---|
[1677] | 652 | foreach ($cats as $id => $category) |
---|
[1624] | 653 | { |
---|
[1677] | 654 | // Compute |
---|
| 655 | $level = substr_count($category['global_rank'], '.') + 1; |
---|
| 656 | if ($level > $ref_level) |
---|
| 657 | { |
---|
| 658 | array_push($list_cat_id, $id); |
---|
| 659 | } |
---|
| 660 | else |
---|
| 661 | { |
---|
| 662 | compute_branch_cat_data($cats, $list_cat_id, $level, $ref_level); |
---|
| 663 | array_push($list_cat_id, $id); |
---|
| 664 | } |
---|
| 665 | $ref_level = $level; |
---|
[1624] | 666 | } |
---|
[1651] | 667 | |
---|
[1677] | 668 | $level = 1; |
---|
| 669 | compute_branch_cat_data($cats, $list_cat_id, $level, $ref_level); |
---|
| 670 | } |
---|
[1651] | 671 | |
---|
[1677] | 672 | /** |
---|
| 673 | * get computed array of categories |
---|
| 674 | * |
---|
[1860] | 675 | * @param array userdata |
---|
| 676 | * @param int filter_days number of recent days to filter on or null |
---|
[1677] | 677 | * @return array |
---|
| 678 | */ |
---|
[1860] | 679 | function get_computed_categories($userdata, $filter_days=null) |
---|
[1677] | 680 | { |
---|
[6653] | 681 | $query = 'SELECT c.id AS cat_id, global_rank'; |
---|
[2084] | 682 | // Count by date_available to avoid count null |
---|
| 683 | $query .= ', |
---|
[6653] | 684 | MAX(date_available) AS date_last, COUNT(date_available) AS nb_images |
---|
[2084] | 685 | FROM '.CATEGORIES_TABLE.' as c |
---|
| 686 | LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id |
---|
| 687 | LEFT JOIN '.IMAGES_TABLE.' AS i |
---|
| 688 | ON ic.image_id = i.id |
---|
| 689 | AND i.level<='.$userdata['level']; |
---|
| 690 | |
---|
| 691 | if ( isset($filter_days) ) |
---|
[1651] | 692 | { |
---|
[4367] | 693 | $query .= ' AND i.date_available > '.pwg_db_get_recent_period_expression($filter_days); |
---|
[1651] | 694 | } |
---|
| 695 | |
---|
[1860] | 696 | if ( !empty($userdata['forbidden_categories']) ) |
---|
[1651] | 697 | { |
---|
| 698 | $query.= ' |
---|
[1860] | 699 | WHERE c.id NOT IN ('.$userdata['forbidden_categories'].')'; |
---|
[1651] | 700 | } |
---|
| 701 | |
---|
[2324] | 702 | $query.= ' |
---|
[4385] | 703 | GROUP BY c.id, c.global_rank'; |
---|
[1624] | 704 | |
---|
| 705 | $result = pwg_query($query); |
---|
| 706 | |
---|
| 707 | $cats = array(); |
---|
[4325] | 708 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1624] | 709 | { |
---|
[1860] | 710 | $row['user_id'] = $userdata['id']; |
---|
[1641] | 711 | $row['count_categories'] = 0; |
---|
[2324] | 712 | $row['count_images'] = (int)$row['nb_images']; |
---|
| 713 | $row['max_date_last'] = $row['date_last']; |
---|
[1860] | 714 | |
---|
[1624] | 715 | $cats += array($row['cat_id'] => $row); |
---|
| 716 | } |
---|
[3642] | 717 | uasort($cats, 'global_rank_compare'); |
---|
[1624] | 718 | |
---|
[1677] | 719 | compute_categories_data($cats); |
---|
[1624] | 720 | |
---|
[1860] | 721 | if ( isset($filter_days) ) |
---|
[1624] | 722 | { |
---|
[1651] | 723 | $cat_tmp = $cats; |
---|
| 724 | $cats = array(); |
---|
[1860] | 725 | |
---|
[1677] | 726 | foreach ($cat_tmp as $category) |
---|
[1651] | 727 | { |
---|
[1677] | 728 | if (!empty($category['max_date_last'])) |
---|
[1651] | 729 | { |
---|
[1677] | 730 | // Re-init counters |
---|
| 731 | $category['count_categories'] = 0; |
---|
[2324] | 732 | $category['count_images'] = (int)$category['nb_images']; |
---|
[1677] | 733 | // Keep category |
---|
| 734 | $cats[$category['cat_id']] = $category; |
---|
[1651] | 735 | } |
---|
| 736 | } |
---|
[1677] | 737 | // Compute a second time |
---|
| 738 | compute_categories_data($cats); |
---|
[1651] | 739 | } |
---|
[1677] | 740 | return $cats; |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | /** |
---|
[808] | 744 | * returns user identifier thanks to his name, false if not found |
---|
| 745 | * |
---|
| 746 | * @param string username |
---|
| 747 | * @param int user identifier |
---|
| 748 | */ |
---|
| 749 | function get_userid($username) |
---|
| 750 | { |
---|
| 751 | global $conf; |
---|
| 752 | |
---|
[4325] | 753 | $username = pwg_db_real_escape_string($username); |
---|
[808] | 754 | |
---|
| 755 | $query = ' |
---|
| 756 | SELECT '.$conf['user_fields']['id'].' |
---|
| 757 | FROM '.USERS_TABLE.' |
---|
| 758 | WHERE '.$conf['user_fields']['username'].' = \''.$username.'\' |
---|
| 759 | ;'; |
---|
| 760 | $result = pwg_query($query); |
---|
| 761 | |
---|
[4325] | 762 | if (pwg_db_num_rows($result) == 0) |
---|
[808] | 763 | { |
---|
| 764 | return false; |
---|
| 765 | } |
---|
| 766 | else |
---|
| 767 | { |
---|
[4325] | 768 | list($user_id) = pwg_db_fetch_row($result); |
---|
[808] | 769 | return $user_id; |
---|
| 770 | } |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | /** |
---|
[801] | 774 | * search an available feed_id |
---|
| 775 | * |
---|
| 776 | * @return string feed identifier |
---|
| 777 | */ |
---|
| 778 | function find_available_feed_id() |
---|
| 779 | { |
---|
| 780 | while (true) |
---|
| 781 | { |
---|
| 782 | $key = generate_key(50); |
---|
| 783 | $query = ' |
---|
| 784 | SELECT COUNT(*) |
---|
[833] | 785 | FROM '.USER_FEED_TABLE.' |
---|
| 786 | WHERE id = \''.$key.'\' |
---|
[801] | 787 | ;'; |
---|
[4325] | 788 | list($count) = pwg_db_fetch_row(pwg_query($query)); |
---|
[801] | 789 | if (0 == $count) |
---|
| 790 | { |
---|
| 791 | return $key; |
---|
| 792 | } |
---|
| 793 | } |
---|
| 794 | } |
---|
[808] | 795 | |
---|
[1926] | 796 | /* |
---|
| 797 | * Returns a array with default user value |
---|
[808] | 798 | * |
---|
[1926] | 799 | * @param convert_str allows to convert string value if necessary |
---|
[808] | 800 | */ |
---|
[1926] | 801 | function get_default_user_info($convert_str = true) |
---|
[808] | 802 | { |
---|
[3126] | 803 | global $cache, $conf; |
---|
[2084] | 804 | |
---|
[3126] | 805 | if (!isset($cache['default_user'])) |
---|
[1926] | 806 | { |
---|
[3126] | 807 | $query = 'SELECT * FROM '.USER_INFOS_TABLE. |
---|
| 808 | ' WHERE user_id = '.$conf['default_user_id'].';'; |
---|
[1068] | 809 | |
---|
[1926] | 810 | $result = pwg_query($query); |
---|
[4325] | 811 | $cache['default_user'] = pwg_db_fetch_assoc($result); |
---|
[2084] | 812 | |
---|
[3126] | 813 | if ($cache['default_user'] !== false) |
---|
[1930] | 814 | { |
---|
[3126] | 815 | unset($cache['default_user']['user_id']); |
---|
| 816 | unset($cache['default_user']['status']); |
---|
| 817 | unset($cache['default_user']['registration_date']); |
---|
[6311] | 818 | |
---|
| 819 | // theme and language fields may be null in the database (see |
---|
| 820 | // bug:1683) This is absolutely not nice to have this code in this |
---|
| 821 | // very place, but it avoids a complexe upgrade with an "automatic |
---|
| 822 | // fix" in the database => this code should be removed after branch |
---|
| 823 | // 2.1 if a migration tasks performs the job the same way |
---|
| 824 | if (empty($cache['default_user']['theme'])) |
---|
| 825 | { |
---|
| 826 | mass_updates( |
---|
| 827 | USER_INFOS_TABLE, |
---|
| 828 | array( |
---|
| 829 | 'primary' => array('user_id'), |
---|
| 830 | 'update' => array('theme') |
---|
| 831 | ), |
---|
| 832 | array( |
---|
| 833 | array( |
---|
| 834 | 'user_id' => $conf['default_user_id'], |
---|
| 835 | 'theme' => PHPWG_DEFAULT_TEMPLATE |
---|
| 836 | ) |
---|
| 837 | ) |
---|
| 838 | ); |
---|
| 839 | $cache['default_user']['theme'] = PHPWG_DEFAULT_TEMPLATE; |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | if (empty($cache['default_user']['language'])) |
---|
| 843 | { |
---|
| 844 | mass_updates( |
---|
| 845 | USER_INFOS_TABLE, |
---|
| 846 | array( |
---|
| 847 | 'primary' => array('user_id'), |
---|
| 848 | 'update' => array('language') |
---|
| 849 | ), |
---|
| 850 | array( |
---|
| 851 | array( |
---|
| 852 | 'user_id' => $conf['default_user_id'], |
---|
| 853 | 'language' => PHPWG_DEFAULT_LANGUAGE |
---|
| 854 | ) |
---|
| 855 | ) |
---|
| 856 | ); |
---|
| 857 | $cache['default_user']['language'] = PHPWG_DEFAULT_LANGUAGE; |
---|
| 858 | } |
---|
[1930] | 859 | } |
---|
[1926] | 860 | } |
---|
[808] | 861 | |
---|
[3126] | 862 | if (is_array($cache['default_user']) and $convert_str) |
---|
[1284] | 863 | { |
---|
[1926] | 864 | $default_user = array(); |
---|
[3126] | 865 | foreach ($cache['default_user'] as $name => $value) |
---|
[1926] | 866 | { |
---|
| 867 | // If the field is true or false, the variable is transformed into a |
---|
| 868 | // boolean value. |
---|
| 869 | if ($value == 'true' or $value == 'false') |
---|
| 870 | { |
---|
| 871 | $default_user[$name] = get_boolean($value); |
---|
| 872 | } |
---|
| 873 | else |
---|
| 874 | { |
---|
| 875 | $default_user[$name] = $value; |
---|
| 876 | } |
---|
| 877 | } |
---|
| 878 | return $default_user; |
---|
[1284] | 879 | } |
---|
[1926] | 880 | else |
---|
[1284] | 881 | { |
---|
[3126] | 882 | return $cache['default_user']; |
---|
[1284] | 883 | } |
---|
[1926] | 884 | } |
---|
| 885 | |
---|
| 886 | /* |
---|
| 887 | * Returns a default user value |
---|
| 888 | * |
---|
| 889 | * @param value_name: name of value |
---|
| 890 | * @param sos_value: value used if don't exist value |
---|
| 891 | */ |
---|
| 892 | function get_default_user_value($value_name, $sos_value) |
---|
| 893 | { |
---|
| 894 | $default_user = get_default_user_info(true); |
---|
[5271] | 895 | if ($default_user === false or empty($default_user[$value_name])) |
---|
[1926] | 896 | { |
---|
| 897 | return $sos_value; |
---|
| 898 | } |
---|
[1284] | 899 | else |
---|
| 900 | { |
---|
[1926] | 901 | return $default_user[$value_name]; |
---|
[1284] | 902 | } |
---|
[1926] | 903 | } |
---|
[1567] | 904 | |
---|
[1926] | 905 | /* |
---|
| 906 | * Returns the default template value |
---|
| 907 | * |
---|
| 908 | */ |
---|
[5123] | 909 | function get_default_theme() |
---|
[1926] | 910 | { |
---|
[5982] | 911 | $theme = get_default_user_value('theme', PHPWG_DEFAULT_TEMPLATE); |
---|
| 912 | if (check_theme_installed($theme)) |
---|
| 913 | { |
---|
| 914 | return $theme; |
---|
| 915 | } |
---|
| 916 | |
---|
| 917 | // let's find the first available theme |
---|
| 918 | $active_themes = get_pwg_themes(); |
---|
| 919 | foreach (array_keys(get_pwg_themes()) as $theme_id) |
---|
| 920 | { |
---|
| 921 | if (check_theme_installed($theme_id)) |
---|
| 922 | { |
---|
| 923 | return $theme_id; |
---|
| 924 | } |
---|
| 925 | } |
---|
[1926] | 926 | } |
---|
[808] | 927 | |
---|
[1926] | 928 | /* |
---|
| 929 | * Returns the default language value |
---|
| 930 | * |
---|
| 931 | */ |
---|
| 932 | function get_default_language() |
---|
| 933 | { |
---|
[2425] | 934 | return get_default_user_value('language', PHPWG_DEFAULT_LANGUAGE); |
---|
[808] | 935 | } |
---|
[817] | 936 | |
---|
| 937 | /** |
---|
[2425] | 938 | * Returns true if the browser language value is set into param $lang |
---|
[2411] | 939 | * |
---|
| 940 | */ |
---|
[2425] | 941 | function get_browser_language(&$lang) |
---|
[2411] | 942 | { |
---|
[2572] | 943 | $browser_language = substr(@$_SERVER["HTTP_ACCEPT_LANGUAGE"], 0, 2); |
---|
[2411] | 944 | foreach (get_languages() as $language_code => $language_name) |
---|
| 945 | { |
---|
| 946 | if (substr($language_code, 0, 2) == $browser_language) |
---|
| 947 | { |
---|
[2425] | 948 | $lang = $language_code; |
---|
| 949 | return true; |
---|
[2411] | 950 | } |
---|
| 951 | } |
---|
[2425] | 952 | return false; |
---|
[2411] | 953 | } |
---|
| 954 | |
---|
| 955 | /** |
---|
[1926] | 956 | * add user informations based on default values |
---|
| 957 | * |
---|
| 958 | * @param int user_id / array of user_if |
---|
[1930] | 959 | * @param array of values used to override default user values |
---|
[1926] | 960 | */ |
---|
[1930] | 961 | function create_user_infos($arg_id, $override_values = null) |
---|
[1926] | 962 | { |
---|
| 963 | global $conf; |
---|
| 964 | |
---|
| 965 | if (is_array($arg_id)) |
---|
| 966 | { |
---|
| 967 | $user_ids = $arg_id; |
---|
| 968 | } |
---|
| 969 | else |
---|
| 970 | { |
---|
| 971 | $user_ids = array(); |
---|
[2229] | 972 | if (is_numeric($arg_id)) |
---|
[1926] | 973 | { |
---|
| 974 | $user_ids[] = $arg_id; |
---|
| 975 | } |
---|
| 976 | } |
---|
| 977 | |
---|
| 978 | if (!empty($user_ids)) |
---|
| 979 | { |
---|
| 980 | $inserts = array(); |
---|
[4325] | 981 | list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();')); |
---|
[1926] | 982 | |
---|
| 983 | $default_user = get_default_user_info(false); |
---|
| 984 | if ($default_user === false) |
---|
| 985 | { |
---|
| 986 | // Default on structure are used |
---|
| 987 | $default_user = array(); |
---|
| 988 | } |
---|
| 989 | |
---|
[1930] | 990 | if (!is_null($override_values)) |
---|
| 991 | { |
---|
| 992 | $default_user = array_merge($default_user, $override_values); |
---|
| 993 | } |
---|
| 994 | |
---|
[1926] | 995 | foreach ($user_ids as $user_id) |
---|
| 996 | { |
---|
[2084] | 997 | $level= isset($default_user['level']) ? $default_user['level'] : 0; |
---|
[1926] | 998 | if ($user_id == $conf['webmaster_id']) |
---|
| 999 | { |
---|
| 1000 | $status = 'webmaster'; |
---|
[2084] | 1001 | $level = max( $conf['available_permission_levels'] ); |
---|
[1926] | 1002 | } |
---|
[2084] | 1003 | else if (($user_id == $conf['guest_id']) or |
---|
[1926] | 1004 | ($user_id == $conf['default_user_id'])) |
---|
| 1005 | { |
---|
| 1006 | $status = 'guest'; |
---|
| 1007 | } |
---|
| 1008 | else |
---|
| 1009 | { |
---|
| 1010 | $status = 'normal'; |
---|
| 1011 | } |
---|
| 1012 | |
---|
[1930] | 1013 | $insert = array_merge( |
---|
| 1014 | $default_user, |
---|
[1926] | 1015 | array( |
---|
| 1016 | 'user_id' => $user_id, |
---|
| 1017 | 'status' => $status, |
---|
[2084] | 1018 | 'registration_date' => $dbnow, |
---|
| 1019 | 'level' => $level |
---|
[1930] | 1020 | )); |
---|
[1926] | 1021 | |
---|
| 1022 | array_push($inserts, $insert); |
---|
[2084] | 1023 | } |
---|
[1926] | 1024 | |
---|
| 1025 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
---|
| 1026 | mass_inserts(USER_INFOS_TABLE, array_keys($inserts[0]), $inserts); |
---|
| 1027 | |
---|
| 1028 | } |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | /** |
---|
[1622] | 1032 | * returns the auto login key or false on error |
---|
| 1033 | * @param int user_id |
---|
[2411] | 1034 | * @param time_t time |
---|
[1744] | 1035 | * @param string [out] username |
---|
[1622] | 1036 | */ |
---|
[2409] | 1037 | function calculate_auto_login_key($user_id, $time, &$username) |
---|
[1622] | 1038 | { |
---|
| 1039 | global $conf; |
---|
| 1040 | $query = ' |
---|
| 1041 | SELECT '.$conf['user_fields']['username'].' AS username |
---|
| 1042 | , '.$conf['user_fields']['password'].' AS password |
---|
| 1043 | FROM '.USERS_TABLE.' |
---|
| 1044 | WHERE '.$conf['user_fields']['id'].' = '.$user_id; |
---|
| 1045 | $result = pwg_query($query); |
---|
[4325] | 1046 | if (pwg_db_num_rows($result) > 0) |
---|
[1622] | 1047 | { |
---|
[4325] | 1048 | $row = pwg_db_fetch_assoc($result); |
---|
[4304] | 1049 | $username = stripslashes($row['username']); |
---|
| 1050 | $data = $time.stripslashes($row['username']).$row['password']; |
---|
[1744] | 1051 | $key = base64_encode( |
---|
| 1052 | pack('H*', sha1($data)) |
---|
| 1053 | .hash_hmac('md5', $data, $conf['secret_key'],true) |
---|
| 1054 | ); |
---|
[1622] | 1055 | return $key; |
---|
| 1056 | } |
---|
| 1057 | return false; |
---|
| 1058 | } |
---|
| 1059 | |
---|
[1068] | 1060 | /* |
---|
| 1061 | * Performs all required actions for user login |
---|
| 1062 | * @param int user_id |
---|
| 1063 | * @param bool remember_me |
---|
| 1064 | * @return void |
---|
| 1065 | */ |
---|
| 1066 | function log_user($user_id, $remember_me) |
---|
| 1067 | { |
---|
[1511] | 1068 | global $conf, $user; |
---|
[1493] | 1069 | |
---|
[1641] | 1070 | if ($remember_me and $conf['authorize_remembering']) |
---|
[1068] | 1071 | { |
---|
[2409] | 1072 | $now = time(); |
---|
| 1073 | $key = calculate_auto_login_key($user_id, $now, $username); |
---|
[1622] | 1074 | if ($key!==false) |
---|
[1493] | 1075 | { |
---|
[2409] | 1076 | $cookie = $user_id.'-'.$now.'-'.$key; |
---|
[2757] | 1077 | if (version_compare(PHP_VERSION, '5.2', '>=') ) |
---|
| 1078 | { |
---|
| 1079 | setcookie($conf['remember_me_name'], |
---|
[2409] | 1080 | $cookie, |
---|
[2029] | 1081 | time()+$conf['remember_me_length'], |
---|
[2757] | 1082 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure'), |
---|
| 1083 | ini_get('session.cookie_httponly') |
---|
[2029] | 1084 | ); |
---|
[2757] | 1085 | } |
---|
| 1086 | else |
---|
| 1087 | { |
---|
| 1088 | setcookie($conf['remember_me_name'], |
---|
| 1089 | $cookie, |
---|
| 1090 | time()+$conf['remember_me_length'], |
---|
| 1091 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure') |
---|
| 1092 | ); |
---|
| 1093 | } |
---|
[2029] | 1094 | } |
---|
[1068] | 1095 | } |
---|
[1568] | 1096 | else |
---|
| 1097 | { // make sure we clean any remember me ... |
---|
[2757] | 1098 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1568] | 1099 | } |
---|
| 1100 | if ( session_id()!="" ) |
---|
[1622] | 1101 | { // we regenerate the session for security reasons |
---|
| 1102 | // see http://www.acros.si/papers/session_fixation.pdf |
---|
[6661] | 1103 | session_regenerate_id(true); |
---|
[1568] | 1104 | } |
---|
| 1105 | else |
---|
| 1106 | { |
---|
| 1107 | session_start(); |
---|
| 1108 | } |
---|
[1622] | 1109 | $_SESSION['pwg_uid'] = (int)$user_id; |
---|
[1511] | 1110 | |
---|
| 1111 | $user['id'] = $_SESSION['pwg_uid']; |
---|
[1068] | 1112 | } |
---|
| 1113 | |
---|
[1070] | 1114 | /* |
---|
[1511] | 1115 | * Performs auto-connexion when cookie remember_me exists |
---|
[1568] | 1116 | * @return true/false |
---|
[1511] | 1117 | */ |
---|
[1567] | 1118 | function auto_login() { |
---|
[1511] | 1119 | global $conf; |
---|
| 1120 | |
---|
[1568] | 1121 | if ( isset( $_COOKIE[$conf['remember_me_name']] ) ) |
---|
| 1122 | { |
---|
[2409] | 1123 | $cookie = explode('-', stripslashes($_COOKIE[$conf['remember_me_name']])); |
---|
[2411] | 1124 | if ( count($cookie)===3 |
---|
[2409] | 1125 | and is_numeric(@$cookie[0]) /*user id*/ |
---|
| 1126 | and is_numeric(@$cookie[1]) /*time*/ |
---|
| 1127 | and time()-$conf['remember_me_length']<=@$cookie[1] |
---|
| 1128 | and time()>=@$cookie[1] /*cookie generated in the past*/ ) |
---|
[1568] | 1129 | { |
---|
[2409] | 1130 | $key = calculate_auto_login_key( $cookie[0], $cookie[1], $username ); |
---|
| 1131 | if ($key!==false and $key===$cookie[2]) |
---|
[1622] | 1132 | { |
---|
[2409] | 1133 | log_user($cookie[0], true); |
---|
[4304] | 1134 | trigger_action('login_success', stripslashes($username)); |
---|
[1622] | 1135 | return true; |
---|
| 1136 | } |
---|
[1568] | 1137 | } |
---|
[2757] | 1138 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1511] | 1139 | } |
---|
[1568] | 1140 | return false; |
---|
[1511] | 1141 | } |
---|
| 1142 | |
---|
[1744] | 1143 | /** |
---|
| 1144 | * Tries to login a user given username and password (must be MySql escaped) |
---|
| 1145 | * return true on success |
---|
| 1146 | */ |
---|
| 1147 | function try_log_user($username, $password, $remember_me) |
---|
| 1148 | { |
---|
| 1149 | global $conf; |
---|
| 1150 | // retrieving the encrypted password of the login submitted |
---|
| 1151 | $query = ' |
---|
| 1152 | SELECT '.$conf['user_fields']['id'].' AS id, |
---|
| 1153 | '.$conf['user_fields']['password'].' AS password |
---|
| 1154 | FROM '.USERS_TABLE.' |
---|
[4367] | 1155 | WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' |
---|
[1744] | 1156 | ;'; |
---|
[4325] | 1157 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
---|
[1744] | 1158 | if ($row['password'] == $conf['pass_convert']($password)) |
---|
| 1159 | { |
---|
| 1160 | log_user($row['id'], $remember_me); |
---|
[4304] | 1161 | trigger_action('login_success', stripslashes($username)); |
---|
[1744] | 1162 | return true; |
---|
| 1163 | } |
---|
[4304] | 1164 | trigger_action('login_failure', stripslashes($username)); |
---|
[1744] | 1165 | return false; |
---|
| 1166 | } |
---|
| 1167 | |
---|
[2757] | 1168 | /** Performs all the cleanup on user logout */ |
---|
| 1169 | function logout_user() |
---|
| 1170 | { |
---|
| 1171 | global $conf; |
---|
| 1172 | $_SESSION = array(); |
---|
| 1173 | session_unset(); |
---|
| 1174 | session_destroy(); |
---|
| 1175 | setcookie(session_name(),'',0, |
---|
| 1176 | ini_get('session.cookie_path'), |
---|
| 1177 | ini_get('session.cookie_domain') |
---|
| 1178 | ); |
---|
| 1179 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
| 1180 | } |
---|
| 1181 | |
---|
[1511] | 1182 | /* |
---|
[2029] | 1183 | * Return user status used in this library |
---|
| 1184 | * @return string |
---|
[1070] | 1185 | */ |
---|
[2029] | 1186 | function get_user_status($user_status) |
---|
[1070] | 1187 | { |
---|
[2029] | 1188 | global $user; |
---|
[1072] | 1189 | |
---|
[1854] | 1190 | if (empty($user_status)) |
---|
[1075] | 1191 | { |
---|
[1854] | 1192 | if (isset($user['status'])) |
---|
| 1193 | { |
---|
| 1194 | $user_status = $user['status']; |
---|
| 1195 | } |
---|
| 1196 | else |
---|
| 1197 | { |
---|
| 1198 | // swicth to default value |
---|
| 1199 | $user_status = ''; |
---|
| 1200 | } |
---|
[1075] | 1201 | } |
---|
[2029] | 1202 | return $user_status; |
---|
| 1203 | } |
---|
[1075] | 1204 | |
---|
[2029] | 1205 | /* |
---|
[2325] | 1206 | * Return access_type definition of user |
---|
[2029] | 1207 | * Test does with user status |
---|
| 1208 | * @return bool |
---|
| 1209 | */ |
---|
| 1210 | function get_access_type_status($user_status='') |
---|
| 1211 | { |
---|
| 1212 | global $conf; |
---|
| 1213 | |
---|
| 1214 | switch (get_user_status($user_status)) |
---|
[1072] | 1215 | { |
---|
[1075] | 1216 | case 'guest': |
---|
[1851] | 1217 | { |
---|
[1854] | 1218 | $access_type_status = |
---|
[2325] | 1219 | ($conf['guest_access'] ? ACCESS_GUEST : ACCESS_FREE); |
---|
[1851] | 1220 | break; |
---|
| 1221 | } |
---|
[1075] | 1222 | case 'generic': |
---|
[1072] | 1223 | { |
---|
[1075] | 1224 | $access_type_status = ACCESS_GUEST; |
---|
| 1225 | break; |
---|
[1072] | 1226 | } |
---|
[1075] | 1227 | case 'normal': |
---|
| 1228 | { |
---|
| 1229 | $access_type_status = ACCESS_CLASSIC; |
---|
| 1230 | break; |
---|
| 1231 | } |
---|
| 1232 | case 'admin': |
---|
| 1233 | { |
---|
| 1234 | $access_type_status = ACCESS_ADMINISTRATOR; |
---|
| 1235 | break; |
---|
| 1236 | } |
---|
| 1237 | case 'webmaster': |
---|
| 1238 | { |
---|
| 1239 | $access_type_status = ACCESS_WEBMASTER; |
---|
| 1240 | break; |
---|
| 1241 | } |
---|
[2221] | 1242 | default: |
---|
[1854] | 1243 | { |
---|
[2325] | 1244 | $access_type_status = ACCESS_FREE; |
---|
[2221] | 1245 | break; |
---|
[1854] | 1246 | } |
---|
[1072] | 1247 | } |
---|
| 1248 | |
---|
[1085] | 1249 | return $access_type_status; |
---|
[1070] | 1250 | } |
---|
| 1251 | |
---|
[1072] | 1252 | /* |
---|
[1085] | 1253 | * Return if user have access to access_type definition |
---|
| 1254 | * Test does with user status |
---|
| 1255 | * @return bool |
---|
| 1256 | */ |
---|
[1851] | 1257 | function is_autorize_status($access_type, $user_status = '') |
---|
[1085] | 1258 | { |
---|
[1851] | 1259 | return (get_access_type_status($user_status) >= $access_type); |
---|
[1085] | 1260 | } |
---|
| 1261 | |
---|
| 1262 | /* |
---|
| 1263 | * Check if user have access to access_type definition |
---|
[1072] | 1264 | * Stop action if there are not access |
---|
| 1265 | * Test does with user status |
---|
| 1266 | * @return none |
---|
| 1267 | */ |
---|
[1851] | 1268 | function check_status($access_type, $user_status = '') |
---|
[1072] | 1269 | { |
---|
[1851] | 1270 | if (!is_autorize_status($access_type, $user_status)) |
---|
[1072] | 1271 | { |
---|
[1113] | 1272 | access_denied(); |
---|
[1072] | 1273 | } |
---|
| 1274 | } |
---|
| 1275 | |
---|
| 1276 | /* |
---|
[2163] | 1277 | * Return if user is generic |
---|
[1072] | 1278 | * @return bool |
---|
| 1279 | */ |
---|
[2163] | 1280 | function is_generic($user_status = '') |
---|
[2029] | 1281 | { |
---|
[2163] | 1282 | return get_user_status($user_status) == 'generic'; |
---|
[2029] | 1283 | } |
---|
| 1284 | |
---|
| 1285 | /* |
---|
[2163] | 1286 | * Return if user is only a guest |
---|
[2161] | 1287 | * @return bool |
---|
| 1288 | */ |
---|
[2163] | 1289 | function is_a_guest($user_status = '') |
---|
[2161] | 1290 | { |
---|
[2163] | 1291 | return get_user_status($user_status) == 'guest'; |
---|
[2161] | 1292 | } |
---|
[2163] | 1293 | |
---|
[2161] | 1294 | /* |
---|
[2029] | 1295 | * Return if user is, at least, a classic user |
---|
| 1296 | * @return bool |
---|
| 1297 | */ |
---|
| 1298 | function is_classic_user($user_status = '') |
---|
| 1299 | { |
---|
| 1300 | return is_autorize_status(ACCESS_CLASSIC, $user_status); |
---|
| 1301 | } |
---|
| 1302 | |
---|
| 1303 | /* |
---|
| 1304 | * Return if user is, at least, an administrator |
---|
| 1305 | * @return bool |
---|
| 1306 | */ |
---|
[1851] | 1307 | function is_admin($user_status = '') |
---|
[1072] | 1308 | { |
---|
[1851] | 1309 | return is_autorize_status(ACCESS_ADMINISTRATOR, $user_status); |
---|
[1072] | 1310 | } |
---|
| 1311 | |
---|
[1085] | 1312 | /* |
---|
[5272] | 1313 | * Return if user is, at least, a webmaster |
---|
| 1314 | * @return bool |
---|
| 1315 | */ |
---|
| 1316 | function is_webmaster($user_status = '') |
---|
| 1317 | { |
---|
| 1318 | return is_autorize_status(ACCESS_WEBMASTER, $user_status); |
---|
| 1319 | } |
---|
| 1320 | |
---|
| 1321 | /* |
---|
[1085] | 1322 | * Return if current user is an adviser |
---|
| 1323 | * @return bool |
---|
| 1324 | */ |
---|
| 1325 | function is_adviser() |
---|
| 1326 | { |
---|
| 1327 | global $user; |
---|
| 1328 | |
---|
| 1329 | return ($user['adviser'] == 'true'); |
---|
| 1330 | } |
---|
[1458] | 1331 | |
---|
| 1332 | /* |
---|
[5195] | 1333 | * Return if current user can edit/delete/validate a comment |
---|
| 1334 | * @param action edit/delete/validate |
---|
[3445] | 1335 | * @return bool |
---|
| 1336 | */ |
---|
[3622] | 1337 | function can_manage_comment($action, $comment_author_id) |
---|
[3445] | 1338 | { |
---|
[5195] | 1339 | global $user, $conf; |
---|
| 1340 | |
---|
| 1341 | if (is_a_guest()) |
---|
| 1342 | { |
---|
[3445] | 1343 | return false; |
---|
| 1344 | } |
---|
[5195] | 1345 | |
---|
| 1346 | if (!in_array($action, array('delete','edit', 'validate'))) |
---|
| 1347 | { |
---|
| 1348 | return false; |
---|
| 1349 | } |
---|
| 1350 | |
---|
| 1351 | if (is_admin()) |
---|
| 1352 | { |
---|
| 1353 | return true; |
---|
| 1354 | } |
---|
| 1355 | |
---|
| 1356 | if ('edit' == $action and $conf['user_can_edit_comment']) |
---|
| 1357 | { |
---|
| 1358 | if ($comment_author_id == $user['id']) { |
---|
| 1359 | return true; |
---|
| 1360 | } |
---|
| 1361 | } |
---|
| 1362 | |
---|
| 1363 | if ('delete' == $action and $conf['user_can_delete_comment']) |
---|
| 1364 | { |
---|
| 1365 | if ($comment_author_id == $user['id']) { |
---|
| 1366 | return true; |
---|
| 1367 | } |
---|
| 1368 | } |
---|
| 1369 | |
---|
| 1370 | return false; |
---|
[3445] | 1371 | } |
---|
| 1372 | |
---|
| 1373 | /* |
---|
[1458] | 1374 | * Return mail address as display text |
---|
| 1375 | * @return string |
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| 1376 | */ |
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| 1377 | function get_email_address_as_display_text($email_address) |
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| 1378 | { |
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| 1379 | global $conf; |
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| 1380 | |
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[1462] | 1381 | if (!isset($email_address) or (trim($email_address) == '')) |
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[1458] | 1382 | { |
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[1462] | 1383 | return ''; |
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[1458] | 1384 | } |
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| 1385 | else |
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| 1386 | { |
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[2237] | 1387 | if (defined('IN_ADMIN') and is_adviser()) |
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[1462] | 1388 | { |
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| 1389 | return 'adviser.mode@'.$_SERVER['SERVER_NAME']; |
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| 1390 | } |
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| 1391 | else |
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| 1392 | { |
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| 1393 | return $email_address; |
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| 1394 | } |
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[1458] | 1395 | } |
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| 1396 | } |
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| 1397 | |
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[1677] | 1398 | /* |
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[1817] | 1399 | * Compute sql where condition with restrict and filter data. "FandF" means |
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| 1400 | * Forbidden and Filters. |
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[1677] | 1401 | * |
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[1817] | 1402 | * @param array condition_fields: read function body |
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| 1403 | * @param string prefix_condition: prefixes sql if condition is not empty |
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| 1404 | * @param boolean force_one_condition: use at least "1 = 1" |
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[1677] | 1405 | * |
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| 1406 | * @return string sql where/conditions |
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| 1407 | */ |
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[1817] | 1408 | function get_sql_condition_FandF( |
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| 1409 | $condition_fields, |
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| 1410 | $prefix_condition = null, |
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| 1411 | $force_one_condition = false |
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| 1412 | ) |
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[1677] | 1413 | { |
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| 1414 | global $user, $filter; |
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| 1415 | |
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| 1416 | $sql_list = array(); |
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| 1417 | |
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| 1418 | foreach ($condition_fields as $condition => $field_name) |
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| 1419 | { |
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| 1420 | switch($condition) |
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| 1421 | { |
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| 1422 | case 'forbidden_categories': |
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[1817] | 1423 | { |
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[1677] | 1424 | if (!empty($user['forbidden_categories'])) |
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| 1425 | { |
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[1817] | 1426 | $sql_list[] = |
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| 1427 | $field_name.' NOT IN ('.$user['forbidden_categories'].')'; |
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[1677] | 1428 | } |
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| 1429 | break; |
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[1817] | 1430 | } |
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[1677] | 1431 | case 'visible_categories': |
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[1817] | 1432 | { |
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[1677] | 1433 | if (!empty($filter['visible_categories'])) |
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| 1434 | { |
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[1817] | 1435 | $sql_list[] = |
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| 1436 | $field_name.' IN ('.$filter['visible_categories'].')'; |
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[1677] | 1437 | } |
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| 1438 | break; |
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[1817] | 1439 | } |
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[1677] | 1440 | case 'visible_images': |
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| 1441 | if (!empty($filter['visible_images'])) |
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| 1442 | { |
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[1817] | 1443 | $sql_list[] = |
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| 1444 | $field_name.' IN ('.$filter['visible_images'].')'; |
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[1677] | 1445 | } |
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[2084] | 1446 | // note there is no break - visible include forbidden |
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| 1447 | case 'forbidden_images': |
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| 1448 | if ( |
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| 1449 | !empty($user['image_access_list']) |
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| 1450 | or $user['image_access_type']!='NOT IN' |
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| 1451 | ) |
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| 1452 | { |
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| 1453 | $table_prefix=null; |
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| 1454 | if ($field_name=='id') |
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| 1455 | { |
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| 1456 | $table_prefix = ''; |
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| 1457 | } |
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| 1458 | elseif ($field_name=='i.id') |
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| 1459 | { |
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| 1460 | $table_prefix = 'i.'; |
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| 1461 | } |
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| 1462 | if ( isset($table_prefix) ) |
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| 1463 | { |
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| 1464 | $sql_list[]=$table_prefix.'level<='.$user['level']; |
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| 1465 | } |
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| 1466 | else |
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| 1467 | { |
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| 1468 | $sql_list[]=$field_name.' '.$user['image_access_type'] |
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| 1469 | .' ('.$user['image_access_list'].')'; |
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| 1470 | } |
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| 1471 | } |
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[1677] | 1472 | break; |
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| 1473 | default: |
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[1817] | 1474 | { |
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[1677] | 1475 | die('Unknow condition'); |
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| 1476 | break; |
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[1817] | 1477 | } |
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[1677] | 1478 | } |
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| 1479 | } |
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| 1480 | |
---|
| 1481 | if (count($sql_list) > 0) |
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| 1482 | { |
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| 1483 | $sql = '('.implode(' AND ', $sql_list).')'; |
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| 1484 | } |
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| 1485 | else |
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| 1486 | { |
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[2824] | 1487 | $sql = $force_one_condition ? '1 = 1' : ''; |
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[1677] | 1488 | } |
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| 1489 | |
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| 1490 | if (isset($prefix_condition) and !empty($sql)) |
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| 1491 | { |
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| 1492 | $sql = $prefix_condition.' '.$sql; |
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| 1493 | } |
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| 1494 | |
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| 1495 | return $sql; |
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| 1496 | } |
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| 1497 | |
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[1860] | 1498 | ?> |
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