[2] | 1 | <?php |
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[362] | 2 | // +-----------------------------------------------------------------------+ |
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[8728] | 3 | // | Piwigo - a PHP based photo gallery | |
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[2297] | 4 | // +-----------------------------------------------------------------------+ |
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[12922] | 5 | // | Copyright(C) 2008-2012 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 ($count != 0) |
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| 63 | { |
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[8635] | 64 | return l10n('this email address is already in use'); |
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[2115] | 65 | } |
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| 66 | } |
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[2] | 67 | } |
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| 68 | |
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[4429] | 69 | // validate_login_case: |
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| 70 | // o check if login is not used by a other user |
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| 71 | // If the login doesn't correspond, an error message is returned. |
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| 72 | // |
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| 73 | function validate_login_case($login) |
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| 74 | { |
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| 75 | global $conf; |
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[13074] | 76 | |
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[4429] | 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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[10860] | 93 | /** |
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| 94 | * For test on username case sensitivity |
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| 95 | * |
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| 96 | * @param : $username typed in by user for identification |
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| 97 | * |
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| 98 | * @return : $username found in database |
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| 99 | * |
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| 100 | */ |
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| 101 | function search_case_username($username) |
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| 102 | { |
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| 103 | global $conf; |
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[4429] | 104 | |
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[10860] | 105 | $username_lo = strtolower($username); |
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| 106 | |
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| 107 | $SCU_users = array(); |
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[13074] | 108 | |
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[10860] | 109 | $q = pwg_query(" |
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| 110 | SELECT ".$conf['user_fields']['username']." AS username |
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| 111 | FROM `".USERS_TABLE."`; |
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| 112 | "); |
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| 113 | while ($r = pwg_db_fetch_assoc($q)) |
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| 114 | $SCU_users[$r['username']] = strtolower($r['username']); |
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| 115 | // $SCU_users is now an associative table where the key is the account as |
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| 116 | // registered in the DB, and the value is this same account, in lower case |
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[13074] | 117 | |
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[10860] | 118 | $users_found = array_keys($SCU_users, $username_lo); |
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| 119 | // $users_found is now a table of which the values are all the accounts |
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| 120 | // which can be written in lowercase the same way as $username |
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| 121 | if (count($users_found) != 1) // If ambiguous, don't allow lowercase writing |
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| 122 | return $username; // but normal writing will work |
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| 123 | else |
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| 124 | return $users_found[0]; |
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| 125 | } |
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[2178] | 126 | function register_user($login, $password, $mail_address, |
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| 127 | $with_notification = true, $errors = array()) |
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[2] | 128 | { |
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[2115] | 129 | global $conf; |
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[2] | 130 | |
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[661] | 131 | if ($login == '') |
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| 132 | { |
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[13074] | 133 | $errors[] = l10n('Please, enter a login'); |
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[661] | 134 | } |
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[3747] | 135 | if (preg_match('/^.* $/', $login)) |
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[661] | 136 | { |
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[13074] | 137 | $errors[] = l10n('login mustn\'t end with a space character'); |
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[661] | 138 | } |
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[3747] | 139 | if (preg_match('/^ .*$/', $login)) |
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[661] | 140 | { |
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[13074] | 141 | $errors[] = l10n('login mustn\'t start with a space character'); |
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[661] | 142 | } |
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[808] | 143 | if (get_userid($login)) |
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[804] | 144 | { |
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[13074] | 145 | $errors[] = l10n('this login is already used'); |
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[2] | 146 | } |
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[9923] | 147 | if ($login != strip_tags($login)) |
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| 148 | { |
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[13074] | 149 | $errors[] = l10n('html tags are not allowed in login'); |
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[9923] | 150 | } |
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[2124] | 151 | $mail_error = validate_mail_address(null, $mail_address); |
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[808] | 152 | if ('' != $mail_error) |
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[661] | 153 | { |
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[13074] | 154 | $errors[] = $mail_error; |
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[661] | 155 | } |
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[2] | 156 | |
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[5060] | 157 | if ($conf['insensitive_case_logon'] == true) |
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[4429] | 158 | { |
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| 159 | $login_error = validate_login_case($login); |
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| 160 | if ($login_error != '') |
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| 161 | { |
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[13074] | 162 | $errors[] = $login_error; |
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[4429] | 163 | } |
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| 164 | } |
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| 165 | |
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[2237] | 166 | $errors = trigger_event('register_user_check', |
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| 167 | $errors, |
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| 168 | array( |
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[2268] | 169 | 'username'=>$login, |
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[2237] | 170 | 'password'=>$password, |
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| 171 | 'email'=>$mail_address, |
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| 172 | ) |
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| 173 | ); |
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| 174 | |
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[9] | 175 | // if no error until here, registration of the user |
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[661] | 176 | if (count($errors) == 0) |
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[2] | 177 | { |
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[906] | 178 | // what will be the inserted id ? |
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| 179 | $query = ' |
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| 180 | SELECT MAX('.$conf['user_fields']['id'].') + 1 |
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| 181 | FROM '.USERS_TABLE.' |
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| 182 | ;'; |
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[4325] | 183 | list($next_id) = pwg_db_fetch_row(pwg_query($query)); |
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[1068] | 184 | |
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[808] | 185 | $insert = |
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| 186 | array( |
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[906] | 187 | $conf['user_fields']['id'] => $next_id, |
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[4325] | 188 | $conf['user_fields']['username'] => pwg_db_real_escape_string($login), |
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[808] | 189 | $conf['user_fields']['password'] => $conf['pass_convert']($password), |
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| 190 | $conf['user_fields']['email'] => $mail_address |
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| 191 | ); |
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[661] | 192 | |
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[808] | 193 | mass_inserts(USERS_TABLE, array_keys($insert), array($insert)); |
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[1068] | 194 | |
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[2178] | 195 | // Assign by default groups |
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| 196 | { |
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| 197 | $query = ' |
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[1583] | 198 | SELECT id |
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| 199 | FROM '.GROUPS_TABLE.' |
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| 200 | WHERE is_default = \''.boolean_to_string(true).'\' |
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| 201 | ORDER BY id ASC |
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| 202 | ;'; |
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[2178] | 203 | $result = pwg_query($query); |
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[1581] | 204 | |
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[2178] | 205 | $inserts = array(); |
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[4325] | 206 | while ($row = pwg_db_fetch_assoc($result)) |
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[2178] | 207 | { |
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[13074] | 208 | $inserts[] = array( |
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[2178] | 209 | 'user_id' => $next_id, |
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| 210 | 'group_id' => $row['id'] |
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[13074] | 211 | ); |
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[2178] | 212 | } |
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[1583] | 213 | } |
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[1581] | 214 | |
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[1583] | 215 | if (count($inserts) != 0) |
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| 216 | { |
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| 217 | mass_inserts(USER_GROUP_TABLE, array('user_id', 'group_id'), $inserts); |
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[1581] | 218 | } |
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| 219 | |
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[2425] | 220 | $override = null; |
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| 221 | if ($with_notification and $conf['browser_language']) |
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| 222 | { |
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| 223 | if ( !get_browser_language($override['language']) ) |
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| 224 | $override=null; |
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| 225 | } |
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| 226 | create_user_infos($next_id, $override); |
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[1605] | 227 | |
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[2178] | 228 | if ($with_notification and $conf['email_admin_on_new_user']) |
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| 229 | { |
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| 230 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 231 | $admin_url = get_absolute_root_url() |
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[2268] | 232 | .'admin.php?page=user_list&username='.$login; |
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[2178] | 233 | |
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| 234 | $keyargs_content = array |
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| 235 | ( |
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[4304] | 236 | get_l10n_args('User: %s', stripslashes($login)), |
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[2178] | 237 | get_l10n_args('Email: %s', $_POST['mail_address']), |
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| 238 | get_l10n_args('', ''), |
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| 239 | get_l10n_args('Admin: %s', $admin_url) |
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| 240 | ); |
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| 241 | |
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| 242 | pwg_mail_notification_admins |
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| 243 | ( |
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[4304] | 244 | get_l10n_args('Registration of %s', stripslashes($login)), |
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[2178] | 245 | $keyargs_content |
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| 246 | ); |
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| 247 | } |
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| 248 | |
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[1605] | 249 | trigger_action('register_user', |
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| 250 | array( |
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| 251 | 'id'=>$next_id, |
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| 252 | 'username'=>$login, |
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| 253 | 'email'=>$mail_address, |
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| 254 | ) |
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| 255 | ); |
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[2] | 256 | } |
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[906] | 257 | |
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[661] | 258 | return $errors; |
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[2] | 259 | } |
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| 260 | |
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[1677] | 261 | function build_user( $user_id, $use_cache ) |
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[1568] | 262 | { |
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| 263 | global $conf; |
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[2038] | 264 | |
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[1568] | 265 | $user['id'] = $user_id; |
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[1677] | 266 | $user = array_merge( $user, getuserdata($user_id, $use_cache) ); |
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[1926] | 267 | |
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[2055] | 268 | if ($user['id'] == $conf['guest_id'] and $user['status'] <> 'guest') |
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| 269 | { |
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| 270 | $user['status'] = 'guest'; |
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| 271 | $user['internal_status']['guest_must_be_guest'] = true; |
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| 272 | } |
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| 273 | |
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[5123] | 274 | // Check user theme |
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[5264] | 275 | if (!isset($user['theme_name'])) |
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[5123] | 276 | { |
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[5264] | 277 | $user['theme'] = get_default_theme(); |
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[5123] | 278 | } |
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[2039] | 279 | |
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[1568] | 280 | return $user; |
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| 281 | } |
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| 282 | |
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[808] | 283 | /** |
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| 284 | * find informations related to the user identifier |
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| 285 | * |
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| 286 | * @param int user identifier |
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| 287 | * @param boolean use_cache |
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| 288 | * @param array |
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| 289 | */ |
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[1677] | 290 | function getuserdata($user_id, $use_cache) |
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[393] | 291 | { |
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[808] | 292 | global $conf; |
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| 293 | |
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| 294 | $userdata = array(); |
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[1068] | 295 | |
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[6315] | 296 | // retrieve basic user data |
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[808] | 297 | $query = ' |
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| 298 | SELECT '; |
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| 299 | $is_first = true; |
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| 300 | foreach ($conf['user_fields'] as $pwgfield => $dbfield) |
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| 301 | { |
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| 302 | if ($is_first) |
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| 303 | { |
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| 304 | $is_first = false; |
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| 305 | } |
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| 306 | else |
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| 307 | { |
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| 308 | $query.= ' |
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| 309 | , '; |
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| 310 | } |
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| 311 | $query.= $dbfield.' AS '.$pwgfield; |
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| 312 | } |
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| 313 | $query.= ' |
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| 314 | FROM '.USERS_TABLE.' |
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[3622] | 315 | WHERE '.$conf['user_fields']['id'].' = \''.$user_id.'\''; |
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[1068] | 316 | |
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[4325] | 317 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
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[808] | 318 | |
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[6510] | 319 | // retrieve additional user data ? |
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| 320 | if ($conf['external_authentification']) |
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| 321 | { |
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| 322 | $query = ' |
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| 323 | SELECT |
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[11356] | 324 | COUNT(1) AS counter |
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[6510] | 325 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 326 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 327 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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| 328 | WHERE ui.user_id = '.$user_id.' |
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| 329 | GROUP BY ui.user_id |
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| 330 | ;'; |
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[11356] | 331 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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| 332 | if ($counter != 1) |
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[6510] | 333 | { |
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| 334 | create_user_infos($user_id); |
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| 335 | } |
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[808] | 336 | } |
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[1068] | 337 | |
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[11356] | 338 | // retrieve user info |
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| 339 | $query = ' |
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| 340 | SELECT |
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| 341 | ui.*, |
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| 342 | uc.*, |
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| 343 | t.name AS theme_name |
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| 344 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 345 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 346 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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| 347 | WHERE ui.user_id = '.$user_id.' |
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| 348 | ;'; |
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| 349 | |
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| 350 | $result = pwg_query($query); |
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| 351 | $user_infos_row = pwg_db_fetch_assoc($result); |
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| 352 | |
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[6315] | 353 | // then merge basic + additional user data |
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| 354 | $row = array_merge($row, $user_infos_row); |
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[1068] | 355 | |
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[808] | 356 | foreach ($row as $key => $value) |
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| 357 | { |
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| 358 | if (!is_numeric($key)) |
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| 359 | { |
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| 360 | // If the field is true or false, the variable is transformed into a |
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| 361 | // boolean value. |
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| 362 | if ($value == 'true' or $value == 'false') |
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| 363 | { |
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| 364 | $userdata[$key] = get_boolean($value); |
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| 365 | } |
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| 366 | else |
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| 367 | { |
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| 368 | $userdata[$key] = $value; |
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| 369 | } |
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| 370 | } |
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| 371 | } |
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| 372 | |
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| 373 | if ($use_cache) |
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| 374 | { |
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| 375 | if (!isset($userdata['need_update']) |
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| 376 | or !is_bool($userdata['need_update']) |
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[1677] | 377 | or $userdata['need_update'] == true) |
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[808] | 378 | { |
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[2448] | 379 | $userdata['cache_update_time'] = time(); |
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| 380 | |
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| 381 | // Set need update are done |
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| 382 | $userdata['need_update'] = false; |
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| 383 | |
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[808] | 384 | $userdata['forbidden_categories'] = |
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| 385 | calculate_permissions($userdata['id'], $userdata['status']); |
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| 386 | |
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[2084] | 387 | /* now we build the list of forbidden images (this list does not contain |
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| 388 | images that are not in at least an authorized category)*/ |
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| 389 | $query = ' |
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| 390 | SELECT DISTINCT(id) |
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| 391 | FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id=image_id |
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| 392 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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| 393 | AND level>'.$userdata['level']; |
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| 394 | $forbidden_ids = array_from_query($query, 'id'); |
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| 395 | |
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| 396 | if ( empty($forbidden_ids) ) |
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| 397 | { |
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[13074] | 398 | $forbidden_ids[] = 0; |
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[2084] | 399 | } |
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| 400 | $userdata['image_access_type'] = 'NOT IN'; //TODO maybe later |
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| 401 | $userdata['image_access_list'] = implode(',',$forbidden_ids); |
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| 402 | |
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[1624] | 403 | |
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[1081] | 404 | $query = ' |
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| 405 | SELECT COUNT(DISTINCT(image_id)) as total |
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| 406 | FROM '.IMAGE_CATEGORY_TABLE.' |
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| 407 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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[3622] | 408 | AND image_id '.$userdata['image_access_type'].' ('.$userdata['image_access_list'].')'; |
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[4325] | 409 | list($userdata['nb_total_images']) = pwg_db_fetch_row(pwg_query($query)); |
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[1081] | 410 | |
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[3622] | 411 | |
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| 412 | // now we update user cache categories |
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| 413 | $user_cache_cats = get_computed_categories($userdata, null); |
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| 414 | if ( !is_admin($userdata['status']) ) |
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| 415 | { // for non admins we forbid categories with no image (feature 1053) |
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| 416 | $forbidden_ids = array(); |
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[3640] | 417 | foreach ($user_cache_cats as $cat) |
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[3622] | 418 | { |
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| 419 | if ($cat['count_images']==0) |
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| 420 | { |
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[13074] | 421 | $forbidden_ids[] = $cat['cat_id']; |
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[3640] | 422 | unset( $user_cache_cats[$cat['cat_id']] ); |
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[3622] | 423 | } |
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| 424 | } |
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| 425 | if ( !empty($forbidden_ids) ) |
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| 426 | { |
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| 427 | if ( empty($userdata['forbidden_categories']) ) |
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| 428 | { |
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| 429 | $userdata['forbidden_categories'] = implode(',', $forbidden_ids); |
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| 430 | } |
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| 431 | else |
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| 432 | { |
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| 433 | $userdata['forbidden_categories'] .= ','.implode(',', $forbidden_ids); |
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| 434 | } |
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| 435 | } |
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| 436 | } |
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| 437 | |
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| 438 | // delete user cache |
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| 439 | $query = ' |
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| 440 | DELETE FROM '.USER_CACHE_CATEGORIES_TABLE.' |
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| 441 | WHERE user_id = '.$userdata['id']; |
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| 442 | pwg_query($query); |
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| 443 | |
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[12748] | 444 | // Due to concurrency issues, we ask MySQL to ignore errors on |
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| 445 | // insert. This may happen when cache needs refresh and that Piwigo is |
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| 446 | // called "very simultaneously". |
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[3622] | 447 | mass_inserts |
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| 448 | ( |
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| 449 | USER_CACHE_CATEGORIES_TABLE, |
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| 450 | array |
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| 451 | ( |
---|
| 452 | 'user_id', 'cat_id', |
---|
| 453 | 'date_last', 'max_date_last', 'nb_images', 'count_images', 'count_categories' |
---|
| 454 | ), |
---|
[12748] | 455 | $user_cache_cats, |
---|
| 456 | array('ignore' => true) |
---|
[3622] | 457 | ); |
---|
| 458 | |
---|
| 459 | |
---|
[808] | 460 | // update user cache |
---|
| 461 | $query = ' |
---|
| 462 | DELETE FROM '.USER_CACHE_TABLE.' |
---|
[3622] | 463 | WHERE user_id = '.$userdata['id']; |
---|
[808] | 464 | pwg_query($query); |
---|
[1068] | 465 | |
---|
[12748] | 466 | // for the same reason as user_cache_categories, we ignore error on |
---|
| 467 | // this insert |
---|
[808] | 468 | $query = ' |
---|
[12748] | 469 | INSERT IGNORE INTO '.USER_CACHE_TABLE.' |
---|
[2448] | 470 | (user_id, need_update, cache_update_time, forbidden_categories, nb_total_images, |
---|
[2084] | 471 | image_access_type, image_access_list) |
---|
[808] | 472 | VALUES |
---|
[2448] | 473 | ('.$userdata['id'].',\''.boolean_to_string($userdata['need_update']).'\',' |
---|
| 474 | .$userdata['cache_update_time'].',\'' |
---|
[4367] | 475 | .$userdata['forbidden_categories'].'\','.$userdata['nb_total_images'].',\'' |
---|
| 476 | .$userdata['image_access_type'].'\',\''.$userdata['image_access_list'].'\')'; |
---|
[808] | 477 | pwg_query($query); |
---|
| 478 | } |
---|
| 479 | } |
---|
| 480 | |
---|
| 481 | return $userdata; |
---|
[393] | 482 | } |
---|
[647] | 483 | |
---|
| 484 | /* |
---|
| 485 | * deletes favorites of the current user if he's not allowed to see them |
---|
| 486 | * |
---|
| 487 | * @return void |
---|
| 488 | */ |
---|
| 489 | function check_user_favorites() |
---|
| 490 | { |
---|
| 491 | global $user; |
---|
| 492 | |
---|
| 493 | if ($user['forbidden_categories'] == '') |
---|
| 494 | { |
---|
| 495 | return; |
---|
| 496 | } |
---|
[832] | 497 | |
---|
[1677] | 498 | // $filter['visible_categories'] and $filter['visible_images'] |
---|
| 499 | // must be not used because filter <> restriction |
---|
[832] | 500 | // retrieving images allowed : belonging to at least one authorized |
---|
| 501 | // category |
---|
[647] | 502 | $query = ' |
---|
[832] | 503 | SELECT DISTINCT f.image_id |
---|
[647] | 504 | FROM '.FAVORITES_TABLE.' AS f INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic |
---|
| 505 | ON f.image_id = ic.image_id |
---|
| 506 | WHERE f.user_id = '.$user['id'].' |
---|
[1677] | 507 | '.get_sql_condition_FandF |
---|
| 508 | ( |
---|
| 509 | array |
---|
| 510 | ( |
---|
| 511 | 'forbidden_categories' => 'ic.category_id', |
---|
| 512 | ), |
---|
| 513 | 'AND' |
---|
| 514 | ).' |
---|
[647] | 515 | ;'; |
---|
[13074] | 516 | $authorizeds = array_from_query($query, 'image_id'); |
---|
[647] | 517 | |
---|
[832] | 518 | $query = ' |
---|
| 519 | SELECT image_id |
---|
| 520 | FROM '.FAVORITES_TABLE.' |
---|
| 521 | WHERE user_id = '.$user['id'].' |
---|
| 522 | ;'; |
---|
[13074] | 523 | $favorites = array_from_query($query, 'image_id'); |
---|
[832] | 524 | |
---|
| 525 | $to_deletes = array_diff($favorites, $authorizeds); |
---|
| 526 | if (count($to_deletes) > 0) |
---|
| 527 | { |
---|
[647] | 528 | $query = ' |
---|
| 529 | DELETE FROM '.FAVORITES_TABLE.' |
---|
[832] | 530 | WHERE image_id IN ('.implode(',', $to_deletes).') |
---|
[647] | 531 | AND user_id = '.$user['id'].' |
---|
| 532 | ;'; |
---|
| 533 | pwg_query($query); |
---|
| 534 | } |
---|
| 535 | } |
---|
[648] | 536 | |
---|
| 537 | /** |
---|
[808] | 538 | * calculates the list of forbidden categories for a given user |
---|
[648] | 539 | * |
---|
[808] | 540 | * Calculation is based on private categories minus categories authorized to |
---|
| 541 | * the groups the user belongs to minus the categories directly authorized |
---|
| 542 | * to the user. The list contains at least -1 to be compliant with queries |
---|
| 543 | * such as "WHERE category_id NOT IN ($forbidden_categories)" |
---|
[648] | 544 | * |
---|
| 545 | * @param int user_id |
---|
[680] | 546 | * @param string user_status |
---|
[648] | 547 | * @return string forbidden_categories |
---|
| 548 | */ |
---|
[680] | 549 | function calculate_permissions($user_id, $user_status) |
---|
[648] | 550 | { |
---|
| 551 | $query = ' |
---|
| 552 | SELECT id |
---|
| 553 | FROM '.CATEGORIES_TABLE.' |
---|
| 554 | WHERE status = \'private\' |
---|
| 555 | ;'; |
---|
[13074] | 556 | $private_array = array_from_query($query, 'id'); |
---|
[680] | 557 | |
---|
[648] | 558 | // retrieve category ids directly authorized to the user |
---|
| 559 | $query = ' |
---|
| 560 | SELECT cat_id |
---|
| 561 | FROM '.USER_ACCESS_TABLE.' |
---|
| 562 | WHERE user_id = '.$user_id.' |
---|
| 563 | ;'; |
---|
[808] | 564 | $authorized_array = array_from_query($query, 'cat_id'); |
---|
[648] | 565 | |
---|
| 566 | // retrieve category ids authorized to the groups the user belongs to |
---|
| 567 | $query = ' |
---|
| 568 | SELECT cat_id |
---|
| 569 | FROM '.USER_GROUP_TABLE.' AS ug INNER JOIN '.GROUP_ACCESS_TABLE.' AS ga |
---|
| 570 | ON ug.group_id = ga.group_id |
---|
| 571 | WHERE ug.user_id = '.$user_id.' |
---|
| 572 | ;'; |
---|
[808] | 573 | $authorized_array = |
---|
| 574 | array_merge( |
---|
| 575 | $authorized_array, |
---|
| 576 | array_from_query($query, 'cat_id') |
---|
| 577 | ); |
---|
[648] | 578 | |
---|
| 579 | // uniquify ids : some private categories might be authorized for the |
---|
| 580 | // groups and for the user |
---|
| 581 | $authorized_array = array_unique($authorized_array); |
---|
| 582 | |
---|
| 583 | // only unauthorized private categories are forbidden |
---|
| 584 | $forbidden_array = array_diff($private_array, $authorized_array); |
---|
| 585 | |
---|
[1117] | 586 | // if user is not an admin, locked categories are forbidden |
---|
[1851] | 587 | if (!is_admin($user_status)) |
---|
[1117] | 588 | { |
---|
| 589 | $query = ' |
---|
| 590 | SELECT id |
---|
| 591 | FROM '.CATEGORIES_TABLE.' |
---|
| 592 | WHERE visible = \'false\' |
---|
| 593 | ;'; |
---|
| 594 | $result = pwg_query($query); |
---|
[4325] | 595 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1117] | 596 | { |
---|
[13074] | 597 | $forbidden_array[] = $row['id']; |
---|
[1117] | 598 | } |
---|
| 599 | $forbidden_array = array_unique($forbidden_array); |
---|
| 600 | } |
---|
[1068] | 601 | |
---|
[1117] | 602 | if ( empty($forbidden_array) ) |
---|
[1331] | 603 | {// at least, the list contains 0 value. This category does not exists so |
---|
| 604 | // where clauses such as "WHERE category_id NOT IN(0)" will always be |
---|
[1117] | 605 | // true. |
---|
[13074] | 606 | $forbidden_array[] = 0; |
---|
[1117] | 607 | } |
---|
| 608 | |
---|
[808] | 609 | return implode(',', $forbidden_array); |
---|
[648] | 610 | } |
---|
[708] | 611 | |
---|
| 612 | /** |
---|
[1677] | 613 | * compute data of categories branches (one branch only) |
---|
[1624] | 614 | */ |
---|
[1640] | 615 | function compute_branch_cat_data(&$cats, &$list_cat_id, &$level, &$ref_level) |
---|
[1624] | 616 | { |
---|
[1640] | 617 | $date = ''; |
---|
| 618 | $count_images = 0; |
---|
| 619 | $count_categories = 0; |
---|
| 620 | do |
---|
[1624] | 621 | { |
---|
[1640] | 622 | $cat_id = array_pop($list_cat_id); |
---|
| 623 | if (!is_null($cat_id)) |
---|
[1624] | 624 | { |
---|
[1640] | 625 | // Count images and categories |
---|
| 626 | $cats[$cat_id]['count_images'] += $count_images; |
---|
| 627 | $cats[$cat_id]['count_categories'] += $count_categories; |
---|
| 628 | $count_images = $cats[$cat_id]['count_images']; |
---|
| 629 | $count_categories = $cats[$cat_id]['count_categories'] + 1; |
---|
| 630 | |
---|
| 631 | if ((empty($cats[$cat_id]['max_date_last'])) or ($cats[$cat_id]['max_date_last'] < $date)) |
---|
[1624] | 632 | { |
---|
[1640] | 633 | $cats[$cat_id]['max_date_last'] = $date; |
---|
[1624] | 634 | } |
---|
| 635 | else |
---|
| 636 | { |
---|
[1640] | 637 | $date = $cats[$cat_id]['max_date_last']; |
---|
[1624] | 638 | } |
---|
[1640] | 639 | $ref_level = substr_count($cats[$cat_id]['global_rank'], '.') + 1; |
---|
| 640 | } |
---|
| 641 | else |
---|
[1624] | 642 | { |
---|
[1640] | 643 | $ref_level = 0; |
---|
[1624] | 644 | } |
---|
[1640] | 645 | } while ($level <= $ref_level); |
---|
| 646 | |
---|
| 647 | // Last cat updating must be added to list for next branch |
---|
| 648 | if ($ref_level <> 0) |
---|
| 649 | { |
---|
| 650 | array_push($list_cat_id, $cat_id); |
---|
[1624] | 651 | } |
---|
[1640] | 652 | } |
---|
[1624] | 653 | |
---|
[1640] | 654 | /** |
---|
[1677] | 655 | * compute data of categories branches |
---|
[1640] | 656 | */ |
---|
[1677] | 657 | function compute_categories_data(&$cats) |
---|
[1640] | 658 | { |
---|
[1677] | 659 | $ref_level = 0; |
---|
| 660 | $level = 0; |
---|
| 661 | $list_cat_id = array(); |
---|
[1624] | 662 | |
---|
[1677] | 663 | foreach ($cats as $id => $category) |
---|
[1624] | 664 | { |
---|
[1677] | 665 | // Compute |
---|
| 666 | $level = substr_count($category['global_rank'], '.') + 1; |
---|
| 667 | if ($level > $ref_level) |
---|
| 668 | { |
---|
| 669 | array_push($list_cat_id, $id); |
---|
| 670 | } |
---|
| 671 | else |
---|
| 672 | { |
---|
| 673 | compute_branch_cat_data($cats, $list_cat_id, $level, $ref_level); |
---|
| 674 | array_push($list_cat_id, $id); |
---|
| 675 | } |
---|
| 676 | $ref_level = $level; |
---|
[1624] | 677 | } |
---|
[1651] | 678 | |
---|
[1677] | 679 | $level = 1; |
---|
| 680 | compute_branch_cat_data($cats, $list_cat_id, $level, $ref_level); |
---|
| 681 | } |
---|
[1651] | 682 | |
---|
[1677] | 683 | /** |
---|
| 684 | * get computed array of categories |
---|
| 685 | * |
---|
[1860] | 686 | * @param array userdata |
---|
| 687 | * @param int filter_days number of recent days to filter on or null |
---|
[1677] | 688 | * @return array |
---|
| 689 | */ |
---|
[1860] | 690 | function get_computed_categories($userdata, $filter_days=null) |
---|
[1677] | 691 | { |
---|
[6652] | 692 | $query = 'SELECT c.id AS cat_id, global_rank'; |
---|
[2084] | 693 | // Count by date_available to avoid count null |
---|
| 694 | $query .= ', |
---|
[6652] | 695 | MAX(date_available) AS date_last, COUNT(date_available) AS nb_images |
---|
[2084] | 696 | FROM '.CATEGORIES_TABLE.' as c |
---|
| 697 | LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id |
---|
| 698 | LEFT JOIN '.IMAGES_TABLE.' AS i |
---|
| 699 | ON ic.image_id = i.id |
---|
| 700 | AND i.level<='.$userdata['level']; |
---|
| 701 | |
---|
| 702 | if ( isset($filter_days) ) |
---|
[1651] | 703 | { |
---|
[4367] | 704 | $query .= ' AND i.date_available > '.pwg_db_get_recent_period_expression($filter_days); |
---|
[1651] | 705 | } |
---|
| 706 | |
---|
[1860] | 707 | if ( !empty($userdata['forbidden_categories']) ) |
---|
[1651] | 708 | { |
---|
| 709 | $query.= ' |
---|
[1860] | 710 | WHERE c.id NOT IN ('.$userdata['forbidden_categories'].')'; |
---|
[1651] | 711 | } |
---|
| 712 | |
---|
[2324] | 713 | $query.= ' |
---|
[4385] | 714 | GROUP BY c.id, c.global_rank'; |
---|
[1624] | 715 | |
---|
| 716 | $result = pwg_query($query); |
---|
| 717 | |
---|
| 718 | $cats = array(); |
---|
[4325] | 719 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1624] | 720 | { |
---|
[1860] | 721 | $row['user_id'] = $userdata['id']; |
---|
[1641] | 722 | $row['count_categories'] = 0; |
---|
[2324] | 723 | $row['count_images'] = (int)$row['nb_images']; |
---|
| 724 | $row['max_date_last'] = $row['date_last']; |
---|
[1860] | 725 | |
---|
[1624] | 726 | $cats += array($row['cat_id'] => $row); |
---|
| 727 | } |
---|
[3642] | 728 | uasort($cats, 'global_rank_compare'); |
---|
[1624] | 729 | |
---|
[1677] | 730 | compute_categories_data($cats); |
---|
[1624] | 731 | |
---|
[1860] | 732 | if ( isset($filter_days) ) |
---|
[1624] | 733 | { |
---|
[1651] | 734 | $cat_tmp = $cats; |
---|
| 735 | $cats = array(); |
---|
[1860] | 736 | |
---|
[1677] | 737 | foreach ($cat_tmp as $category) |
---|
[1651] | 738 | { |
---|
[1677] | 739 | if (!empty($category['max_date_last'])) |
---|
[1651] | 740 | { |
---|
[1677] | 741 | // Re-init counters |
---|
| 742 | $category['count_categories'] = 0; |
---|
[2324] | 743 | $category['count_images'] = (int)$category['nb_images']; |
---|
[1677] | 744 | // Keep category |
---|
| 745 | $cats[$category['cat_id']] = $category; |
---|
[1651] | 746 | } |
---|
| 747 | } |
---|
[1677] | 748 | // Compute a second time |
---|
| 749 | compute_categories_data($cats); |
---|
[1651] | 750 | } |
---|
[1677] | 751 | return $cats; |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | /** |
---|
[808] | 755 | * returns user identifier thanks to his name, false if not found |
---|
| 756 | * |
---|
| 757 | * @param string username |
---|
| 758 | * @param int user identifier |
---|
| 759 | */ |
---|
| 760 | function get_userid($username) |
---|
| 761 | { |
---|
| 762 | global $conf; |
---|
| 763 | |
---|
[4325] | 764 | $username = pwg_db_real_escape_string($username); |
---|
[808] | 765 | |
---|
| 766 | $query = ' |
---|
| 767 | SELECT '.$conf['user_fields']['id'].' |
---|
| 768 | FROM '.USERS_TABLE.' |
---|
| 769 | WHERE '.$conf['user_fields']['username'].' = \''.$username.'\' |
---|
| 770 | ;'; |
---|
| 771 | $result = pwg_query($query); |
---|
| 772 | |
---|
[4325] | 773 | if (pwg_db_num_rows($result) == 0) |
---|
[808] | 774 | { |
---|
| 775 | return false; |
---|
| 776 | } |
---|
| 777 | else |
---|
| 778 | { |
---|
[4325] | 779 | list($user_id) = pwg_db_fetch_row($result); |
---|
[808] | 780 | return $user_id; |
---|
| 781 | } |
---|
| 782 | } |
---|
| 783 | |
---|
[11992] | 784 | function get_userid_by_email($email) |
---|
| 785 | { |
---|
| 786 | global $conf; |
---|
| 787 | |
---|
| 788 | $email = pwg_db_real_escape_string($email); |
---|
[13074] | 789 | |
---|
[11992] | 790 | $query = ' |
---|
| 791 | SELECT |
---|
| 792 | '.$conf['user_fields']['id'].' |
---|
| 793 | FROM '.USERS_TABLE.' |
---|
| 794 | WHERE UPPER('.$conf['user_fields']['email'].') = UPPER(\''.$email.'\') |
---|
| 795 | ;'; |
---|
| 796 | $result = pwg_query($query); |
---|
| 797 | |
---|
| 798 | if (pwg_db_num_rows($result) == 0) |
---|
| 799 | { |
---|
| 800 | return false; |
---|
| 801 | } |
---|
| 802 | else |
---|
| 803 | { |
---|
| 804 | list($user_id) = pwg_db_fetch_row($result); |
---|
| 805 | return $user_id; |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | |
---|
[1926] | 809 | /* |
---|
| 810 | * Returns a array with default user value |
---|
[808] | 811 | * |
---|
[1926] | 812 | * @param convert_str allows to convert string value if necessary |
---|
[808] | 813 | */ |
---|
[1926] | 814 | function get_default_user_info($convert_str = true) |
---|
[808] | 815 | { |
---|
[3126] | 816 | global $cache, $conf; |
---|
[2084] | 817 | |
---|
[3126] | 818 | if (!isset($cache['default_user'])) |
---|
[1926] | 819 | { |
---|
[3126] | 820 | $query = 'SELECT * FROM '.USER_INFOS_TABLE. |
---|
| 821 | ' WHERE user_id = '.$conf['default_user_id'].';'; |
---|
[1068] | 822 | |
---|
[1926] | 823 | $result = pwg_query($query); |
---|
[4325] | 824 | $cache['default_user'] = pwg_db_fetch_assoc($result); |
---|
[2084] | 825 | |
---|
[3126] | 826 | if ($cache['default_user'] !== false) |
---|
[1930] | 827 | { |
---|
[3126] | 828 | unset($cache['default_user']['user_id']); |
---|
| 829 | unset($cache['default_user']['status']); |
---|
| 830 | unset($cache['default_user']['registration_date']); |
---|
[1930] | 831 | } |
---|
[1926] | 832 | } |
---|
[808] | 833 | |
---|
[3126] | 834 | if (is_array($cache['default_user']) and $convert_str) |
---|
[1284] | 835 | { |
---|
[1926] | 836 | $default_user = array(); |
---|
[3126] | 837 | foreach ($cache['default_user'] as $name => $value) |
---|
[1926] | 838 | { |
---|
| 839 | // If the field is true or false, the variable is transformed into a |
---|
| 840 | // boolean value. |
---|
| 841 | if ($value == 'true' or $value == 'false') |
---|
| 842 | { |
---|
| 843 | $default_user[$name] = get_boolean($value); |
---|
| 844 | } |
---|
| 845 | else |
---|
| 846 | { |
---|
| 847 | $default_user[$name] = $value; |
---|
| 848 | } |
---|
| 849 | } |
---|
| 850 | return $default_user; |
---|
[1284] | 851 | } |
---|
[1926] | 852 | else |
---|
[1284] | 853 | { |
---|
[3126] | 854 | return $cache['default_user']; |
---|
[1284] | 855 | } |
---|
[1926] | 856 | } |
---|
| 857 | |
---|
| 858 | /* |
---|
| 859 | * Returns a default user value |
---|
| 860 | * |
---|
| 861 | * @param value_name: name of value |
---|
| 862 | * @param sos_value: value used if don't exist value |
---|
| 863 | */ |
---|
| 864 | function get_default_user_value($value_name, $sos_value) |
---|
| 865 | { |
---|
| 866 | $default_user = get_default_user_info(true); |
---|
[5271] | 867 | if ($default_user === false or empty($default_user[$value_name])) |
---|
[1926] | 868 | { |
---|
| 869 | return $sos_value; |
---|
| 870 | } |
---|
[1284] | 871 | else |
---|
| 872 | { |
---|
[1926] | 873 | return $default_user[$value_name]; |
---|
[1284] | 874 | } |
---|
[1926] | 875 | } |
---|
[1567] | 876 | |
---|
[1926] | 877 | /* |
---|
| 878 | * Returns the default template value |
---|
| 879 | * |
---|
| 880 | */ |
---|
[5123] | 881 | function get_default_theme() |
---|
[1926] | 882 | { |
---|
[5982] | 883 | $theme = get_default_user_value('theme', PHPWG_DEFAULT_TEMPLATE); |
---|
| 884 | if (check_theme_installed($theme)) |
---|
| 885 | { |
---|
| 886 | return $theme; |
---|
| 887 | } |
---|
[13074] | 888 | |
---|
[5982] | 889 | // let's find the first available theme |
---|
| 890 | $active_themes = get_pwg_themes(); |
---|
| 891 | foreach (array_keys(get_pwg_themes()) as $theme_id) |
---|
| 892 | { |
---|
[12670] | 893 | return $theme_id; |
---|
[5982] | 894 | } |
---|
[1926] | 895 | } |
---|
[808] | 896 | |
---|
[1926] | 897 | /* |
---|
| 898 | * Returns the default language value |
---|
| 899 | * |
---|
| 900 | */ |
---|
| 901 | function get_default_language() |
---|
| 902 | { |
---|
[2425] | 903 | return get_default_user_value('language', PHPWG_DEFAULT_LANGUAGE); |
---|
[808] | 904 | } |
---|
[817] | 905 | |
---|
| 906 | /** |
---|
[2425] | 907 | * Returns true if the browser language value is set into param $lang |
---|
[2411] | 908 | * |
---|
| 909 | */ |
---|
[2425] | 910 | function get_browser_language(&$lang) |
---|
[2411] | 911 | { |
---|
[2572] | 912 | $browser_language = substr(@$_SERVER["HTTP_ACCEPT_LANGUAGE"], 0, 2); |
---|
[2411] | 913 | foreach (get_languages() as $language_code => $language_name) |
---|
| 914 | { |
---|
| 915 | if (substr($language_code, 0, 2) == $browser_language) |
---|
| 916 | { |
---|
[2425] | 917 | $lang = $language_code; |
---|
| 918 | return true; |
---|
[2411] | 919 | } |
---|
| 920 | } |
---|
[2425] | 921 | return false; |
---|
[2411] | 922 | } |
---|
| 923 | |
---|
| 924 | /** |
---|
[1926] | 925 | * add user informations based on default values |
---|
| 926 | * |
---|
| 927 | * @param int user_id / array of user_if |
---|
[1930] | 928 | * @param array of values used to override default user values |
---|
[1926] | 929 | */ |
---|
[1930] | 930 | function create_user_infos($arg_id, $override_values = null) |
---|
[1926] | 931 | { |
---|
| 932 | global $conf; |
---|
| 933 | |
---|
| 934 | if (is_array($arg_id)) |
---|
| 935 | { |
---|
| 936 | $user_ids = $arg_id; |
---|
| 937 | } |
---|
| 938 | else |
---|
| 939 | { |
---|
| 940 | $user_ids = array(); |
---|
[2229] | 941 | if (is_numeric($arg_id)) |
---|
[1926] | 942 | { |
---|
| 943 | $user_ids[] = $arg_id; |
---|
| 944 | } |
---|
| 945 | } |
---|
| 946 | |
---|
| 947 | if (!empty($user_ids)) |
---|
| 948 | { |
---|
| 949 | $inserts = array(); |
---|
[4325] | 950 | list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();')); |
---|
[1926] | 951 | |
---|
| 952 | $default_user = get_default_user_info(false); |
---|
| 953 | if ($default_user === false) |
---|
| 954 | { |
---|
| 955 | // Default on structure are used |
---|
| 956 | $default_user = array(); |
---|
| 957 | } |
---|
| 958 | |
---|
[1930] | 959 | if (!is_null($override_values)) |
---|
| 960 | { |
---|
| 961 | $default_user = array_merge($default_user, $override_values); |
---|
| 962 | } |
---|
| 963 | |
---|
[1926] | 964 | foreach ($user_ids as $user_id) |
---|
| 965 | { |
---|
[2084] | 966 | $level= isset($default_user['level']) ? $default_user['level'] : 0; |
---|
[1926] | 967 | if ($user_id == $conf['webmaster_id']) |
---|
| 968 | { |
---|
| 969 | $status = 'webmaster'; |
---|
[2084] | 970 | $level = max( $conf['available_permission_levels'] ); |
---|
[1926] | 971 | } |
---|
[2084] | 972 | else if (($user_id == $conf['guest_id']) or |
---|
[1926] | 973 | ($user_id == $conf['default_user_id'])) |
---|
| 974 | { |
---|
| 975 | $status = 'guest'; |
---|
| 976 | } |
---|
| 977 | else |
---|
| 978 | { |
---|
| 979 | $status = 'normal'; |
---|
| 980 | } |
---|
| 981 | |
---|
[1930] | 982 | $insert = array_merge( |
---|
| 983 | $default_user, |
---|
[1926] | 984 | array( |
---|
| 985 | 'user_id' => $user_id, |
---|
| 986 | 'status' => $status, |
---|
[2084] | 987 | 'registration_date' => $dbnow, |
---|
| 988 | 'level' => $level |
---|
[1930] | 989 | )); |
---|
[1926] | 990 | |
---|
| 991 | array_push($inserts, $insert); |
---|
[2084] | 992 | } |
---|
[1926] | 993 | |
---|
| 994 | mass_inserts(USER_INFOS_TABLE, array_keys($inserts[0]), $inserts); |
---|
| 995 | } |
---|
| 996 | } |
---|
| 997 | |
---|
| 998 | /** |
---|
[1622] | 999 | * returns the auto login key or false on error |
---|
| 1000 | * @param int user_id |
---|
[2411] | 1001 | * @param time_t time |
---|
[1744] | 1002 | * @param string [out] username |
---|
[1622] | 1003 | */ |
---|
[2409] | 1004 | function calculate_auto_login_key($user_id, $time, &$username) |
---|
[1622] | 1005 | { |
---|
| 1006 | global $conf; |
---|
| 1007 | $query = ' |
---|
| 1008 | SELECT '.$conf['user_fields']['username'].' AS username |
---|
| 1009 | , '.$conf['user_fields']['password'].' AS password |
---|
| 1010 | FROM '.USERS_TABLE.' |
---|
| 1011 | WHERE '.$conf['user_fields']['id'].' = '.$user_id; |
---|
| 1012 | $result = pwg_query($query); |
---|
[4325] | 1013 | if (pwg_db_num_rows($result) > 0) |
---|
[1622] | 1014 | { |
---|
[4325] | 1015 | $row = pwg_db_fetch_assoc($result); |
---|
[4304] | 1016 | $username = stripslashes($row['username']); |
---|
[11826] | 1017 | $data = $time.$user_id.$username; |
---|
| 1018 | $key = base64_encode( hash_hmac('sha1', $data, $conf['secret_key'].$row['password'],true) ); |
---|
[1622] | 1019 | return $key; |
---|
| 1020 | } |
---|
| 1021 | return false; |
---|
| 1022 | } |
---|
| 1023 | |
---|
[1068] | 1024 | /* |
---|
| 1025 | * Performs all required actions for user login |
---|
| 1026 | * @param int user_id |
---|
| 1027 | * @param bool remember_me |
---|
| 1028 | * @return void |
---|
| 1029 | */ |
---|
| 1030 | function log_user($user_id, $remember_me) |
---|
| 1031 | { |
---|
[1511] | 1032 | global $conf, $user; |
---|
[1493] | 1033 | |
---|
[1641] | 1034 | if ($remember_me and $conf['authorize_remembering']) |
---|
[1068] | 1035 | { |
---|
[2409] | 1036 | $now = time(); |
---|
| 1037 | $key = calculate_auto_login_key($user_id, $now, $username); |
---|
[1622] | 1038 | if ($key!==false) |
---|
[1493] | 1039 | { |
---|
[2409] | 1040 | $cookie = $user_id.'-'.$now.'-'.$key; |
---|
[2757] | 1041 | if (version_compare(PHP_VERSION, '5.2', '>=') ) |
---|
| 1042 | { |
---|
| 1043 | setcookie($conf['remember_me_name'], |
---|
[2409] | 1044 | $cookie, |
---|
[2029] | 1045 | time()+$conf['remember_me_length'], |
---|
[2757] | 1046 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure'), |
---|
| 1047 | ini_get('session.cookie_httponly') |
---|
[2029] | 1048 | ); |
---|
[2757] | 1049 | } |
---|
| 1050 | else |
---|
| 1051 | { |
---|
| 1052 | setcookie($conf['remember_me_name'], |
---|
| 1053 | $cookie, |
---|
| 1054 | time()+$conf['remember_me_length'], |
---|
| 1055 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure') |
---|
| 1056 | ); |
---|
| 1057 | } |
---|
[2029] | 1058 | } |
---|
[1068] | 1059 | } |
---|
[1568] | 1060 | else |
---|
| 1061 | { // make sure we clean any remember me ... |
---|
[2757] | 1062 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1568] | 1063 | } |
---|
| 1064 | if ( session_id()!="" ) |
---|
[1622] | 1065 | { // we regenerate the session for security reasons |
---|
| 1066 | // see http://www.acros.si/papers/session_fixation.pdf |
---|
[6660] | 1067 | session_regenerate_id(true); |
---|
[1568] | 1068 | } |
---|
| 1069 | else |
---|
| 1070 | { |
---|
| 1071 | session_start(); |
---|
| 1072 | } |
---|
[1622] | 1073 | $_SESSION['pwg_uid'] = (int)$user_id; |
---|
[1511] | 1074 | |
---|
| 1075 | $user['id'] = $_SESSION['pwg_uid']; |
---|
[1068] | 1076 | } |
---|
| 1077 | |
---|
[1070] | 1078 | /* |
---|
[1511] | 1079 | * Performs auto-connexion when cookie remember_me exists |
---|
[1568] | 1080 | * @return true/false |
---|
[1511] | 1081 | */ |
---|
[1567] | 1082 | function auto_login() { |
---|
[1511] | 1083 | global $conf; |
---|
| 1084 | |
---|
[1568] | 1085 | if ( isset( $_COOKIE[$conf['remember_me_name']] ) ) |
---|
| 1086 | { |
---|
[2409] | 1087 | $cookie = explode('-', stripslashes($_COOKIE[$conf['remember_me_name']])); |
---|
[2411] | 1088 | if ( count($cookie)===3 |
---|
[2409] | 1089 | and is_numeric(@$cookie[0]) /*user id*/ |
---|
| 1090 | and is_numeric(@$cookie[1]) /*time*/ |
---|
| 1091 | and time()-$conf['remember_me_length']<=@$cookie[1] |
---|
| 1092 | and time()>=@$cookie[1] /*cookie generated in the past*/ ) |
---|
[1568] | 1093 | { |
---|
[2409] | 1094 | $key = calculate_auto_login_key( $cookie[0], $cookie[1], $username ); |
---|
| 1095 | if ($key!==false and $key===$cookie[2]) |
---|
[1622] | 1096 | { |
---|
[2409] | 1097 | log_user($cookie[0], true); |
---|
[4304] | 1098 | trigger_action('login_success', stripslashes($username)); |
---|
[1622] | 1099 | return true; |
---|
| 1100 | } |
---|
[1568] | 1101 | } |
---|
[2757] | 1102 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1511] | 1103 | } |
---|
[1568] | 1104 | return false; |
---|
[1511] | 1105 | } |
---|
| 1106 | |
---|
[1744] | 1107 | /** |
---|
| 1108 | * Tries to login a user given username and password (must be MySql escaped) |
---|
| 1109 | * return true on success |
---|
| 1110 | */ |
---|
| 1111 | function try_log_user($username, $password, $remember_me) |
---|
| 1112 | { |
---|
[11737] | 1113 | // we force the session table to be clean |
---|
| 1114 | pwg_session_gc(); |
---|
[13074] | 1115 | |
---|
[1744] | 1116 | global $conf; |
---|
| 1117 | // retrieving the encrypted password of the login submitted |
---|
| 1118 | $query = ' |
---|
| 1119 | SELECT '.$conf['user_fields']['id'].' AS id, |
---|
| 1120 | '.$conf['user_fields']['password'].' AS password |
---|
| 1121 | FROM '.USERS_TABLE.' |
---|
[4367] | 1122 | WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' |
---|
[1744] | 1123 | ;'; |
---|
[4325] | 1124 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
---|
[1744] | 1125 | if ($row['password'] == $conf['pass_convert']($password)) |
---|
| 1126 | { |
---|
| 1127 | log_user($row['id'], $remember_me); |
---|
[4304] | 1128 | trigger_action('login_success', stripslashes($username)); |
---|
[1744] | 1129 | return true; |
---|
| 1130 | } |
---|
[4304] | 1131 | trigger_action('login_failure', stripslashes($username)); |
---|
[1744] | 1132 | return false; |
---|
| 1133 | } |
---|
| 1134 | |
---|
[2757] | 1135 | /** Performs all the cleanup on user logout */ |
---|
| 1136 | function logout_user() |
---|
| 1137 | { |
---|
| 1138 | global $conf; |
---|
| 1139 | $_SESSION = array(); |
---|
| 1140 | session_unset(); |
---|
| 1141 | session_destroy(); |
---|
| 1142 | setcookie(session_name(),'',0, |
---|
| 1143 | ini_get('session.cookie_path'), |
---|
| 1144 | ini_get('session.cookie_domain') |
---|
| 1145 | ); |
---|
| 1146 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
| 1147 | } |
---|
| 1148 | |
---|
[1511] | 1149 | /* |
---|
[2029] | 1150 | * Return user status used in this library |
---|
| 1151 | * @return string |
---|
[1070] | 1152 | */ |
---|
[2029] | 1153 | function get_user_status($user_status) |
---|
[1070] | 1154 | { |
---|
[2029] | 1155 | global $user; |
---|
[1072] | 1156 | |
---|
[1854] | 1157 | if (empty($user_status)) |
---|
[1075] | 1158 | { |
---|
[1854] | 1159 | if (isset($user['status'])) |
---|
| 1160 | { |
---|
| 1161 | $user_status = $user['status']; |
---|
| 1162 | } |
---|
| 1163 | else |
---|
| 1164 | { |
---|
| 1165 | // swicth to default value |
---|
| 1166 | $user_status = ''; |
---|
| 1167 | } |
---|
[1075] | 1168 | } |
---|
[2029] | 1169 | return $user_status; |
---|
| 1170 | } |
---|
[1075] | 1171 | |
---|
[2029] | 1172 | /* |
---|
[2325] | 1173 | * Return access_type definition of user |
---|
[2029] | 1174 | * Test does with user status |
---|
| 1175 | * @return bool |
---|
| 1176 | */ |
---|
| 1177 | function get_access_type_status($user_status='') |
---|
| 1178 | { |
---|
| 1179 | global $conf; |
---|
| 1180 | |
---|
| 1181 | switch (get_user_status($user_status)) |
---|
[1072] | 1182 | { |
---|
[1075] | 1183 | case 'guest': |
---|
[1851] | 1184 | { |
---|
[1854] | 1185 | $access_type_status = |
---|
[2325] | 1186 | ($conf['guest_access'] ? ACCESS_GUEST : ACCESS_FREE); |
---|
[1851] | 1187 | break; |
---|
| 1188 | } |
---|
[1075] | 1189 | case 'generic': |
---|
[1072] | 1190 | { |
---|
[1075] | 1191 | $access_type_status = ACCESS_GUEST; |
---|
| 1192 | break; |
---|
[1072] | 1193 | } |
---|
[1075] | 1194 | case 'normal': |
---|
| 1195 | { |
---|
| 1196 | $access_type_status = ACCESS_CLASSIC; |
---|
| 1197 | break; |
---|
| 1198 | } |
---|
| 1199 | case 'admin': |
---|
| 1200 | { |
---|
| 1201 | $access_type_status = ACCESS_ADMINISTRATOR; |
---|
| 1202 | break; |
---|
| 1203 | } |
---|
| 1204 | case 'webmaster': |
---|
| 1205 | { |
---|
| 1206 | $access_type_status = ACCESS_WEBMASTER; |
---|
| 1207 | break; |
---|
| 1208 | } |
---|
[2221] | 1209 | default: |
---|
[1854] | 1210 | { |
---|
[2325] | 1211 | $access_type_status = ACCESS_FREE; |
---|
[2221] | 1212 | break; |
---|
[1854] | 1213 | } |
---|
[1072] | 1214 | } |
---|
| 1215 | |
---|
[1085] | 1216 | return $access_type_status; |
---|
[1070] | 1217 | } |
---|
| 1218 | |
---|
[1072] | 1219 | /* |
---|
[1085] | 1220 | * Return if user have access to access_type definition |
---|
| 1221 | * Test does with user status |
---|
| 1222 | * @return bool |
---|
| 1223 | */ |
---|
[1851] | 1224 | function is_autorize_status($access_type, $user_status = '') |
---|
[1085] | 1225 | { |
---|
[1851] | 1226 | return (get_access_type_status($user_status) >= $access_type); |
---|
[1085] | 1227 | } |
---|
| 1228 | |
---|
| 1229 | /* |
---|
| 1230 | * Check if user have access to access_type definition |
---|
[1072] | 1231 | * Stop action if there are not access |
---|
| 1232 | * Test does with user status |
---|
| 1233 | * @return none |
---|
| 1234 | */ |
---|
[1851] | 1235 | function check_status($access_type, $user_status = '') |
---|
[1072] | 1236 | { |
---|
[1851] | 1237 | if (!is_autorize_status($access_type, $user_status)) |
---|
[1072] | 1238 | { |
---|
[1113] | 1239 | access_denied(); |
---|
[1072] | 1240 | } |
---|
| 1241 | } |
---|
| 1242 | |
---|
| 1243 | /* |
---|
[2163] | 1244 | * Return if user is generic |
---|
[1072] | 1245 | * @return bool |
---|
| 1246 | */ |
---|
[2163] | 1247 | function is_generic($user_status = '') |
---|
[2029] | 1248 | { |
---|
[2163] | 1249 | return get_user_status($user_status) == 'generic'; |
---|
[2029] | 1250 | } |
---|
| 1251 | |
---|
| 1252 | /* |
---|
[2163] | 1253 | * Return if user is only a guest |
---|
[2161] | 1254 | * @return bool |
---|
| 1255 | */ |
---|
[2163] | 1256 | function is_a_guest($user_status = '') |
---|
[2161] | 1257 | { |
---|
[2163] | 1258 | return get_user_status($user_status) == 'guest'; |
---|
[2161] | 1259 | } |
---|
[2163] | 1260 | |
---|
[2161] | 1261 | /* |
---|
[2029] | 1262 | * Return if user is, at least, a classic user |
---|
| 1263 | * @return bool |
---|
| 1264 | */ |
---|
| 1265 | function is_classic_user($user_status = '') |
---|
| 1266 | { |
---|
| 1267 | return is_autorize_status(ACCESS_CLASSIC, $user_status); |
---|
| 1268 | } |
---|
| 1269 | |
---|
| 1270 | /* |
---|
| 1271 | * Return if user is, at least, an administrator |
---|
| 1272 | * @return bool |
---|
| 1273 | */ |
---|
[1851] | 1274 | function is_admin($user_status = '') |
---|
[1072] | 1275 | { |
---|
[1851] | 1276 | return is_autorize_status(ACCESS_ADMINISTRATOR, $user_status); |
---|
[1072] | 1277 | } |
---|
| 1278 | |
---|
[1085] | 1279 | /* |
---|
[5272] | 1280 | * Return if user is, at least, a webmaster |
---|
| 1281 | * @return bool |
---|
| 1282 | */ |
---|
| 1283 | function is_webmaster($user_status = '') |
---|
| 1284 | { |
---|
| 1285 | return is_autorize_status(ACCESS_WEBMASTER, $user_status); |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | /* |
---|
[8126] | 1289 | * Adviser status is depreciated from piwigo 2.2 |
---|
| 1290 | * @return false |
---|
[1085] | 1291 | */ |
---|
| 1292 | function is_adviser() |
---|
| 1293 | { |
---|
[12339] | 1294 | // TODO for Piwigo 2.4 : trigger a warning. We don't do it on Piwigo 2.3 |
---|
| 1295 | // to avoid changes for plugin contributors |
---|
| 1296 | // trigger_error('call to obsolete function is_adviser', E_USER_WARNING); |
---|
[8126] | 1297 | return false; |
---|
[1085] | 1298 | } |
---|
[1458] | 1299 | |
---|
| 1300 | /* |
---|
[5195] | 1301 | * Return if current user can edit/delete/validate a comment |
---|
| 1302 | * @param action edit/delete/validate |
---|
[3445] | 1303 | * @return bool |
---|
| 1304 | */ |
---|
[3622] | 1305 | function can_manage_comment($action, $comment_author_id) |
---|
[3445] | 1306 | { |
---|
[5195] | 1307 | global $user, $conf; |
---|
[13074] | 1308 | |
---|
[5195] | 1309 | if (is_a_guest()) |
---|
| 1310 | { |
---|
[3445] | 1311 | return false; |
---|
| 1312 | } |
---|
[13074] | 1313 | |
---|
[5195] | 1314 | if (!in_array($action, array('delete','edit', 'validate'))) |
---|
| 1315 | { |
---|
| 1316 | return false; |
---|
| 1317 | } |
---|
| 1318 | |
---|
| 1319 | if (is_admin()) |
---|
| 1320 | { |
---|
| 1321 | return true; |
---|
| 1322 | } |
---|
| 1323 | |
---|
| 1324 | if ('edit' == $action and $conf['user_can_edit_comment']) |
---|
| 1325 | { |
---|
| 1326 | if ($comment_author_id == $user['id']) { |
---|
| 1327 | return true; |
---|
| 1328 | } |
---|
| 1329 | } |
---|
| 1330 | |
---|
| 1331 | if ('delete' == $action and $conf['user_can_delete_comment']) |
---|
| 1332 | { |
---|
| 1333 | if ($comment_author_id == $user['id']) { |
---|
| 1334 | return true; |
---|
| 1335 | } |
---|
| 1336 | } |
---|
| 1337 | |
---|
| 1338 | return false; |
---|
[3445] | 1339 | } |
---|
| 1340 | |
---|
| 1341 | /* |
---|
[1458] | 1342 | * Return mail address as display text |
---|
| 1343 | * @return string |
---|
| 1344 | */ |
---|
| 1345 | function get_email_address_as_display_text($email_address) |
---|
| 1346 | { |
---|
| 1347 | global $conf; |
---|
| 1348 | |
---|
[1462] | 1349 | if (!isset($email_address) or (trim($email_address) == '')) |
---|
[1458] | 1350 | { |
---|
[1462] | 1351 | return ''; |
---|
[1458] | 1352 | } |
---|
| 1353 | else |
---|
| 1354 | { |
---|
[8126] | 1355 | return $email_address; |
---|
[1458] | 1356 | } |
---|
| 1357 | } |
---|
| 1358 | |
---|
[1677] | 1359 | /* |
---|
[1817] | 1360 | * Compute sql where condition with restrict and filter data. "FandF" means |
---|
| 1361 | * Forbidden and Filters. |
---|
[1677] | 1362 | * |
---|
[1817] | 1363 | * @param array condition_fields: read function body |
---|
| 1364 | * @param string prefix_condition: prefixes sql if condition is not empty |
---|
| 1365 | * @param boolean force_one_condition: use at least "1 = 1" |
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[1677] | 1366 | * |
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| 1367 | * @return string sql where/conditions |
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| 1368 | */ |
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[1817] | 1369 | function get_sql_condition_FandF( |
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| 1370 | $condition_fields, |
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| 1371 | $prefix_condition = null, |
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| 1372 | $force_one_condition = false |
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| 1373 | ) |
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[1677] | 1374 | { |
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| 1375 | global $user, $filter; |
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| 1376 | |
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| 1377 | $sql_list = array(); |
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| 1378 | |
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| 1379 | foreach ($condition_fields as $condition => $field_name) |
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| 1380 | { |
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| 1381 | switch($condition) |
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| 1382 | { |
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| 1383 | case 'forbidden_categories': |
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[1817] | 1384 | { |
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[1677] | 1385 | if (!empty($user['forbidden_categories'])) |
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| 1386 | { |
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[1817] | 1387 | $sql_list[] = |
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| 1388 | $field_name.' NOT IN ('.$user['forbidden_categories'].')'; |
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[1677] | 1389 | } |
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| 1390 | break; |
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[1817] | 1391 | } |
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[1677] | 1392 | case 'visible_categories': |
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[1817] | 1393 | { |
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[1677] | 1394 | if (!empty($filter['visible_categories'])) |
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| 1395 | { |
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[1817] | 1396 | $sql_list[] = |
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| 1397 | $field_name.' IN ('.$filter['visible_categories'].')'; |
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[1677] | 1398 | } |
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| 1399 | break; |
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[1817] | 1400 | } |
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[1677] | 1401 | case 'visible_images': |
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| 1402 | if (!empty($filter['visible_images'])) |
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| 1403 | { |
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[1817] | 1404 | $sql_list[] = |
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| 1405 | $field_name.' IN ('.$filter['visible_images'].')'; |
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[1677] | 1406 | } |
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[2084] | 1407 | // note there is no break - visible include forbidden |
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| 1408 | case 'forbidden_images': |
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| 1409 | if ( |
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| 1410 | !empty($user['image_access_list']) |
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| 1411 | or $user['image_access_type']!='NOT IN' |
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| 1412 | ) |
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| 1413 | { |
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| 1414 | $table_prefix=null; |
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| 1415 | if ($field_name=='id') |
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| 1416 | { |
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| 1417 | $table_prefix = ''; |
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| 1418 | } |
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| 1419 | elseif ($field_name=='i.id') |
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| 1420 | { |
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| 1421 | $table_prefix = 'i.'; |
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| 1422 | } |
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| 1423 | if ( isset($table_prefix) ) |
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| 1424 | { |
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| 1425 | $sql_list[]=$table_prefix.'level<='.$user['level']; |
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| 1426 | } |
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| 1427 | else |
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| 1428 | { |
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| 1429 | $sql_list[]=$field_name.' '.$user['image_access_type'] |
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| 1430 | .' ('.$user['image_access_list'].')'; |
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| 1431 | } |
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| 1432 | } |
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[1677] | 1433 | break; |
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| 1434 | default: |
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[1817] | 1435 | { |
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[1677] | 1436 | die('Unknow condition'); |
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| 1437 | break; |
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[1817] | 1438 | } |
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[1677] | 1439 | } |
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| 1440 | } |
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| 1441 | |
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| 1442 | if (count($sql_list) > 0) |
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| 1443 | { |
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| 1444 | $sql = '('.implode(' AND ', $sql_list).')'; |
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| 1445 | } |
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| 1446 | else |
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| 1447 | { |
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[2824] | 1448 | $sql = $force_one_condition ? '1 = 1' : ''; |
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[1677] | 1449 | } |
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| 1450 | |
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| 1451 | if (isset($prefix_condition) and !empty($sql)) |
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| 1452 | { |
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| 1453 | $sql = $prefix_condition.' '.$sql; |
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| 1454 | } |
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| 1455 | |
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| 1456 | return $sql; |
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| 1457 | } |
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| 1458 | |
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[11992] | 1459 | /** |
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| 1460 | * search an available activation_key |
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| 1461 | * |
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| 1462 | * @return string |
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| 1463 | */ |
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| 1464 | function get_user_activation_key() |
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| 1465 | { |
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| 1466 | while (true) |
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| 1467 | { |
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| 1468 | $key = generate_key(20); |
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| 1469 | $query = ' |
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| 1470 | SELECT COUNT(*) |
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| 1471 | FROM '.USER_INFOS_TABLE.' |
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| 1472 | WHERE activation_key = \''.$key.'\' |
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| 1473 | ;'; |
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| 1474 | list($count) = pwg_db_fetch_row(pwg_query($query)); |
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| 1475 | if (0 == $count) |
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| 1476 | { |
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| 1477 | return $key; |
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| 1478 | } |
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| 1479 | } |
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| 1480 | } |
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| 1481 | |
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[12339] | 1482 | ?> |
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