[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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[19703] | 5 | // | Copyright(C) 2008-2013 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 | !($conf['obligatory_user_mail_address'] and |
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[2124] | 39 | in_array(script_basename(), array('register', 'profile')))) |
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[2] | 40 | { |
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[9] | 41 | return ''; |
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[2] | 42 | } |
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[2115] | 43 | |
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[18164] | 44 | if ( !email_check_format($mail_address) ) |
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[9] | 45 | { |
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[5021] | 46 | return l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)'); |
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[9] | 47 | } |
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[2127] | 48 | |
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[2115] | 49 | if (defined("PHPWG_INSTALLED") and !empty($mail_address)) |
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| 50 | { |
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| 51 | $query = ' |
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[18164] | 52 | SELECT count(*) |
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| 53 | FROM '.USERS_TABLE.' |
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| 54 | WHERE upper('.$conf['user_fields']['email'].') = upper(\''.$mail_address.'\') |
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| 55 | '.(is_numeric($user_id) ? 'AND '.$conf['user_fields']['id'].' != \''.$user_id.'\'' : '').' |
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[2115] | 56 | ;'; |
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[4325] | 57 | list($count) = pwg_db_fetch_row(pwg_query($query)); |
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[2115] | 58 | if ($count != 0) |
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| 59 | { |
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[8635] | 60 | return l10n('this email address is already in use'); |
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[2115] | 61 | } |
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| 62 | } |
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[2] | 63 | } |
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| 64 | |
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[4429] | 65 | // validate_login_case: |
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| 66 | // o check if login is not used by a other user |
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| 67 | // If the login doesn't correspond, an error message is returned. |
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| 68 | // |
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| 69 | function validate_login_case($login) |
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| 70 | { |
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| 71 | global $conf; |
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[13074] | 72 | |
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[4429] | 73 | if (defined("PHPWG_INSTALLED")) |
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| 74 | { |
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| 75 | $query = " |
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| 76 | SELECT ".$conf['user_fields']['username']." |
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| 77 | FROM ".USERS_TABLE." |
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| 78 | WHERE LOWER(".stripslashes($conf['user_fields']['username']).") = '".strtolower($login)."' |
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| 79 | ;"; |
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| 80 | |
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| 81 | $count = pwg_db_num_rows(pwg_query($query)); |
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| 82 | |
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| 83 | if ($count > 0) |
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| 84 | { |
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[5021] | 85 | return l10n('this login is already used'); |
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[4429] | 86 | } |
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| 87 | } |
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| 88 | } |
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[10860] | 89 | /** |
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| 90 | * For test on username case sensitivity |
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| 91 | * |
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| 92 | * @param : $username typed in by user for identification |
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| 93 | * |
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| 94 | * @return : $username found in database |
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| 95 | * |
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| 96 | */ |
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| 97 | function search_case_username($username) |
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| 98 | { |
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| 99 | global $conf; |
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[4429] | 100 | |
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[10860] | 101 | $username_lo = strtolower($username); |
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| 102 | |
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| 103 | $SCU_users = array(); |
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[13074] | 104 | |
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[10860] | 105 | $q = pwg_query(" |
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| 106 | SELECT ".$conf['user_fields']['username']." AS username |
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| 107 | FROM `".USERS_TABLE."`; |
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| 108 | "); |
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| 109 | while ($r = pwg_db_fetch_assoc($q)) |
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| 110 | $SCU_users[$r['username']] = strtolower($r['username']); |
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| 111 | // $SCU_users is now an associative table where the key is the account as |
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| 112 | // registered in the DB, and the value is this same account, in lower case |
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[13074] | 113 | |
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[10860] | 114 | $users_found = array_keys($SCU_users, $username_lo); |
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| 115 | // $users_found is now a table of which the values are all the accounts |
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| 116 | // which can be written in lowercase the same way as $username |
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| 117 | if (count($users_found) != 1) // If ambiguous, don't allow lowercase writing |
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| 118 | return $username; // but normal writing will work |
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| 119 | else |
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| 120 | return $users_found[0]; |
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| 121 | } |
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[25116] | 122 | |
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| 123 | /** |
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| 124 | * create a new user |
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| 125 | * @param string $login |
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| 126 | * @param string $password |
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| 127 | * @param string $mail_adress |
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[25237] | 128 | * @param bool $notify_admin |
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[25116] | 129 | * @param &array $errors |
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[25237] | 130 | * @param bool $notify_user |
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[25116] | 131 | * @return int|bool |
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| 132 | */ |
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[25237] | 133 | function register_user($login, $password, $mail_address, $notify_admin=true, &$errors = array(), $notify_user=false) |
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[2] | 134 | { |
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[2115] | 135 | global $conf; |
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[2] | 136 | |
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[661] | 137 | if ($login == '') |
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| 138 | { |
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[13074] | 139 | $errors[] = l10n('Please, enter a login'); |
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[661] | 140 | } |
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[3747] | 141 | if (preg_match('/^.* $/', $login)) |
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[661] | 142 | { |
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[13074] | 143 | $errors[] = l10n('login mustn\'t end with a space character'); |
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[661] | 144 | } |
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[3747] | 145 | if (preg_match('/^ .*$/', $login)) |
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[661] | 146 | { |
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[13074] | 147 | $errors[] = l10n('login mustn\'t start with a space character'); |
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[661] | 148 | } |
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[808] | 149 | if (get_userid($login)) |
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[804] | 150 | { |
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[13074] | 151 | $errors[] = l10n('this login is already used'); |
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[2] | 152 | } |
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[9923] | 153 | if ($login != strip_tags($login)) |
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| 154 | { |
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[13074] | 155 | $errors[] = l10n('html tags are not allowed in login'); |
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[9923] | 156 | } |
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[2124] | 157 | $mail_error = validate_mail_address(null, $mail_address); |
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[808] | 158 | if ('' != $mail_error) |
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[661] | 159 | { |
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[13074] | 160 | $errors[] = $mail_error; |
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[661] | 161 | } |
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[2] | 162 | |
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[5060] | 163 | if ($conf['insensitive_case_logon'] == true) |
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[4429] | 164 | { |
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| 165 | $login_error = validate_login_case($login); |
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| 166 | if ($login_error != '') |
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| 167 | { |
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[13074] | 168 | $errors[] = $login_error; |
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[4429] | 169 | } |
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| 170 | } |
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| 171 | |
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[25237] | 172 | $errors = trigger_event( |
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| 173 | 'register_user_check', |
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| 174 | $errors, |
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| 175 | array( |
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| 176 | 'username'=>$login, |
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| 177 | 'password'=>$password, |
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| 178 | 'email'=>$mail_address, |
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| 179 | ) |
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| 180 | ); |
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[2237] | 181 | |
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[9] | 182 | // if no error until here, registration of the user |
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[661] | 183 | if (count($errors) == 0) |
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[2] | 184 | { |
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[25237] | 185 | $insert = array( |
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| 186 | $conf['user_fields']['username'] => pwg_db_real_escape_string($login), |
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| 187 | $conf['user_fields']['password'] => $conf['password_hash']($password), |
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| 188 | $conf['user_fields']['email'] => $mail_address |
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| 189 | ); |
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[661] | 190 | |
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[25019] | 191 | single_insert(USERS_TABLE, $insert); |
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[25116] | 192 | $user_id = pwg_db_insert_id(); |
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[1068] | 193 | |
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[2178] | 194 | // Assign by default groups |
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[25116] | 195 | $query = ' |
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[1583] | 196 | SELECT id |
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| 197 | FROM '.GROUPS_TABLE.' |
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| 198 | WHERE is_default = \''.boolean_to_string(true).'\' |
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| 199 | ORDER BY id ASC |
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| 200 | ;'; |
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[25116] | 201 | $result = pwg_query($query); |
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[1581] | 202 | |
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[25116] | 203 | $inserts = array(); |
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| 204 | while ($row = pwg_db_fetch_assoc($result)) |
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| 205 | { |
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[25237] | 206 | $inserts[] = array( |
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| 207 | 'user_id' => $user_id, |
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| 208 | 'group_id' => $row['id'] |
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[25116] | 209 | ); |
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[1583] | 210 | } |
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[1581] | 211 | |
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[1583] | 212 | if (count($inserts) != 0) |
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| 213 | { |
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| 214 | mass_inserts(USER_GROUP_TABLE, array('user_id', 'group_id'), $inserts); |
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[1581] | 215 | } |
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| 216 | |
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[2425] | 217 | $override = null; |
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[25237] | 218 | if ($notify_admin and $conf['browser_language']) |
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[2425] | 219 | { |
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[25237] | 220 | if (!get_browser_language($override['language'])) |
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| 221 | { |
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[2425] | 222 | $override=null; |
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[25237] | 223 | } |
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[2425] | 224 | } |
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[25116] | 225 | create_user_infos($user_id, $override); |
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[1605] | 226 | |
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[25237] | 227 | if ($notify_admin and $conf['email_admin_on_new_user']) |
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[2178] | 228 | { |
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| 229 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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[25237] | 230 | $admin_url = get_absolute_root_url().'admin.php?page=user_list&username='.$login; |
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[2178] | 231 | |
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[25360] | 232 | $keyargs_content = array( |
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| 233 | get_l10n_args('User: %s', stripslashes($login) ), |
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| 234 | get_l10n_args('Email: %s', $_POST['mail_address']), |
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| 235 | get_l10n_args(''), |
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| 236 | get_l10n_args('Admin: %s', $admin_url), |
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[25237] | 237 | ); |
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[2178] | 238 | |
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[25237] | 239 | pwg_mail_notification_admins( |
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[25360] | 240 | get_l10n_args('Registration of %s', stripslashes($login) ), |
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| 241 | $keyargs_content |
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[25237] | 242 | ); |
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[2178] | 243 | } |
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| 244 | |
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[25237] | 245 | if ($notify_user and email_check_format($mail_address)) |
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| 246 | { |
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| 247 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 248 | |
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| 249 | $keyargs_content = array( |
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| 250 | get_l10n_args('Hello %s,', $login), |
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| 251 | get_l10n_args('Thank you for registering at %s!', $conf['gallery_title']), |
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| 252 | get_l10n_args('', ''), |
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| 253 | get_l10n_args('Here are your connection settings', ''), |
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| 254 | get_l10n_args('Username: %s', $login), |
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| 255 | get_l10n_args('Password: %s', $password), |
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| 256 | get_l10n_args('Email: %s', $mail_address), |
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| 257 | get_l10n_args('', ''), |
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| 258 | get_l10n_args('If you think you\'ve received this email in error, please contact us at %s', get_webmaster_mail_address()), |
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| 259 | ); |
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| 260 | |
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| 261 | pwg_mail( |
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| 262 | $mail_address, |
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| 263 | array( |
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| 264 | 'subject' => '['.$conf['gallery_title'].'] '.l10n('Registration'), |
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| 265 | 'content' => l10n_args($keyargs_content), |
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| 266 | 'content_format' => 'text/plain', |
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| 267 | ) |
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| 268 | ); |
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| 269 | } |
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| 270 | |
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| 271 | trigger_action( |
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| 272 | 'register_user', |
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[1605] | 273 | array( |
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[25116] | 274 | 'id'=>$user_id, |
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[1605] | 275 | 'username'=>$login, |
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| 276 | 'email'=>$mail_address, |
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[25237] | 277 | ) |
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[1605] | 278 | ); |
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[25116] | 279 | |
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| 280 | return $user_id; |
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[2] | 281 | } |
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[25116] | 282 | else |
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| 283 | { |
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| 284 | return false; |
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| 285 | } |
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[2] | 286 | } |
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| 287 | |
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[1677] | 288 | function build_user( $user_id, $use_cache ) |
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[1568] | 289 | { |
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| 290 | global $conf; |
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[2038] | 291 | |
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[1568] | 292 | $user['id'] = $user_id; |
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[1677] | 293 | $user = array_merge( $user, getuserdata($user_id, $use_cache) ); |
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[1926] | 294 | |
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[2055] | 295 | if ($user['id'] == $conf['guest_id'] and $user['status'] <> 'guest') |
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| 296 | { |
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| 297 | $user['status'] = 'guest'; |
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| 298 | $user['internal_status']['guest_must_be_guest'] = true; |
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| 299 | } |
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| 300 | |
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[5123] | 301 | // Check user theme |
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[5264] | 302 | if (!isset($user['theme_name'])) |
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[5123] | 303 | { |
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[5264] | 304 | $user['theme'] = get_default_theme(); |
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[5123] | 305 | } |
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[2039] | 306 | |
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[1568] | 307 | return $user; |
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| 308 | } |
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| 309 | |
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[808] | 310 | /** |
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| 311 | * find informations related to the user identifier |
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| 312 | * |
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| 313 | * @param int user identifier |
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| 314 | * @param boolean use_cache |
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| 315 | * @param array |
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| 316 | */ |
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[1677] | 317 | function getuserdata($user_id, $use_cache) |
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[393] | 318 | { |
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[808] | 319 | global $conf; |
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| 320 | |
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[6315] | 321 | // retrieve basic user data |
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[808] | 322 | $query = ' |
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| 323 | SELECT '; |
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| 324 | $is_first = true; |
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| 325 | foreach ($conf['user_fields'] as $pwgfield => $dbfield) |
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| 326 | { |
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| 327 | if ($is_first) |
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| 328 | { |
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| 329 | $is_first = false; |
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| 330 | } |
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| 331 | else |
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| 332 | { |
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| 333 | $query.= ' |
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| 334 | , '; |
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| 335 | } |
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| 336 | $query.= $dbfield.' AS '.$pwgfield; |
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| 337 | } |
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| 338 | $query.= ' |
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| 339 | FROM '.USERS_TABLE.' |
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[3622] | 340 | WHERE '.$conf['user_fields']['id'].' = \''.$user_id.'\''; |
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[1068] | 341 | |
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[4325] | 342 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
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[808] | 343 | |
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[6510] | 344 | // retrieve additional user data ? |
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| 345 | if ($conf['external_authentification']) |
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| 346 | { |
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| 347 | $query = ' |
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| 348 | SELECT |
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[11356] | 349 | COUNT(1) AS counter |
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[6510] | 350 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 351 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 352 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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| 353 | WHERE ui.user_id = '.$user_id.' |
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| 354 | GROUP BY ui.user_id |
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| 355 | ;'; |
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[11356] | 356 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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| 357 | if ($counter != 1) |
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[6510] | 358 | { |
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| 359 | create_user_infos($user_id); |
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| 360 | } |
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[808] | 361 | } |
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[1068] | 362 | |
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[11356] | 363 | // retrieve user info |
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| 364 | $query = ' |
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| 365 | SELECT |
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| 366 | ui.*, |
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| 367 | uc.*, |
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| 368 | t.name AS theme_name |
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| 369 | FROM '.USER_INFOS_TABLE.' AS ui |
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| 370 | LEFT JOIN '.USER_CACHE_TABLE.' AS uc ON ui.user_id = uc.user_id |
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| 371 | LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme |
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| 372 | WHERE ui.user_id = '.$user_id.' |
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| 373 | ;'; |
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| 374 | |
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| 375 | $result = pwg_query($query); |
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| 376 | $user_infos_row = pwg_db_fetch_assoc($result); |
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| 377 | |
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[6315] | 378 | // then merge basic + additional user data |
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[18629] | 379 | $userdata = array_merge($row, $user_infos_row); |
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[1068] | 380 | |
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[18629] | 381 | foreach ($userdata as &$value) |
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[808] | 382 | { |
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[18629] | 383 | // If the field is true or false, the variable is transformed into a boolean value. |
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| 384 | if ($value == 'true') |
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[808] | 385 | { |
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[18629] | 386 | $value = true; |
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[808] | 387 | } |
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[18629] | 388 | elseif ($value == 'false') |
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[808] | 389 | { |
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[18629] | 390 | $value = false; |
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[808] | 391 | } |
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| 392 | } |
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[18629] | 393 | unset($value); |
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[808] | 394 | |
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| 395 | if ($use_cache) |
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| 396 | { |
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| 397 | if (!isset($userdata['need_update']) |
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| 398 | or !is_bool($userdata['need_update']) |
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[1677] | 399 | or $userdata['need_update'] == true) |
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[808] | 400 | { |
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[2448] | 401 | $userdata['cache_update_time'] = time(); |
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| 402 | |
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| 403 | // Set need update are done |
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| 404 | $userdata['need_update'] = false; |
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| 405 | |
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[808] | 406 | $userdata['forbidden_categories'] = |
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| 407 | calculate_permissions($userdata['id'], $userdata['status']); |
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| 408 | |
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[2084] | 409 | /* now we build the list of forbidden images (this list does not contain |
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| 410 | images that are not in at least an authorized category)*/ |
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| 411 | $query = ' |
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| 412 | SELECT DISTINCT(id) |
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| 413 | FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id=image_id |
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| 414 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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| 415 | AND level>'.$userdata['level']; |
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| 416 | $forbidden_ids = array_from_query($query, 'id'); |
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| 417 | |
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| 418 | if ( empty($forbidden_ids) ) |
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| 419 | { |
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[13074] | 420 | $forbidden_ids[] = 0; |
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[2084] | 421 | } |
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| 422 | $userdata['image_access_type'] = 'NOT IN'; //TODO maybe later |
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| 423 | $userdata['image_access_list'] = implode(',',$forbidden_ids); |
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| 424 | |
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[1624] | 425 | |
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[1081] | 426 | $query = ' |
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| 427 | SELECT COUNT(DISTINCT(image_id)) as total |
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| 428 | FROM '.IMAGE_CATEGORY_TABLE.' |
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| 429 | WHERE category_id NOT IN ('.$userdata['forbidden_categories'].') |
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[3622] | 430 | AND image_id '.$userdata['image_access_type'].' ('.$userdata['image_access_list'].')'; |
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[4325] | 431 | list($userdata['nb_total_images']) = pwg_db_fetch_row(pwg_query($query)); |
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[1081] | 432 | |
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[3622] | 433 | |
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| 434 | // now we update user cache categories |
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| 435 | $user_cache_cats = get_computed_categories($userdata, null); |
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| 436 | if ( !is_admin($userdata['status']) ) |
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| 437 | { // for non admins we forbid categories with no image (feature 1053) |
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| 438 | $forbidden_ids = array(); |
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[3640] | 439 | foreach ($user_cache_cats as $cat) |
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[3622] | 440 | { |
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| 441 | if ($cat['count_images']==0) |
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| 442 | { |
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[13074] | 443 | $forbidden_ids[] = $cat['cat_id']; |
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[22879] | 444 | remove_computed_category($user_cache_cats, $cat); |
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[3622] | 445 | } |
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| 446 | } |
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| 447 | if ( !empty($forbidden_ids) ) |
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| 448 | { |
---|
| 449 | if ( empty($userdata['forbidden_categories']) ) |
---|
| 450 | { |
---|
| 451 | $userdata['forbidden_categories'] = implode(',', $forbidden_ids); |
---|
| 452 | } |
---|
| 453 | else |
---|
| 454 | { |
---|
| 455 | $userdata['forbidden_categories'] .= ','.implode(',', $forbidden_ids); |
---|
| 456 | } |
---|
| 457 | } |
---|
| 458 | } |
---|
| 459 | |
---|
| 460 | // delete user cache |
---|
| 461 | $query = ' |
---|
| 462 | DELETE FROM '.USER_CACHE_CATEGORIES_TABLE.' |
---|
| 463 | WHERE user_id = '.$userdata['id']; |
---|
| 464 | pwg_query($query); |
---|
| 465 | |
---|
[12748] | 466 | // Due to concurrency issues, we ask MySQL to ignore errors on |
---|
| 467 | // insert. This may happen when cache needs refresh and that Piwigo is |
---|
| 468 | // called "very simultaneously". |
---|
[25019] | 469 | mass_inserts( |
---|
[3622] | 470 | USER_CACHE_CATEGORIES_TABLE, |
---|
[25019] | 471 | array( |
---|
[3622] | 472 | 'user_id', 'cat_id', |
---|
[22879] | 473 | 'date_last', 'max_date_last', 'nb_images', 'count_images', 'nb_categories', 'count_categories' |
---|
[25019] | 474 | ), |
---|
[12748] | 475 | $user_cache_cats, |
---|
| 476 | array('ignore' => true) |
---|
[3622] | 477 | ); |
---|
| 478 | |
---|
| 479 | |
---|
[808] | 480 | // update user cache |
---|
| 481 | $query = ' |
---|
| 482 | DELETE FROM '.USER_CACHE_TABLE.' |
---|
[3622] | 483 | WHERE user_id = '.$userdata['id']; |
---|
[808] | 484 | pwg_query($query); |
---|
[1068] | 485 | |
---|
[12748] | 486 | // for the same reason as user_cache_categories, we ignore error on |
---|
| 487 | // this insert |
---|
[808] | 488 | $query = ' |
---|
[12748] | 489 | INSERT IGNORE INTO '.USER_CACHE_TABLE.' |
---|
[2448] | 490 | (user_id, need_update, cache_update_time, forbidden_categories, nb_total_images, |
---|
[21801] | 491 | last_photo_date, |
---|
[2084] | 492 | image_access_type, image_access_list) |
---|
[808] | 493 | VALUES |
---|
[2448] | 494 | ('.$userdata['id'].',\''.boolean_to_string($userdata['need_update']).'\',' |
---|
| 495 | .$userdata['cache_update_time'].',\'' |
---|
[21801] | 496 | .$userdata['forbidden_categories'].'\','.$userdata['nb_total_images'].','. |
---|
| 497 | (empty($userdata['last_photo_date']) ? 'NULL': '\''.$userdata['last_photo_date'].'\''). |
---|
| 498 | ',\''.$userdata['image_access_type'].'\',\''.$userdata['image_access_list'].'\')'; |
---|
[808] | 499 | pwg_query($query); |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | return $userdata; |
---|
[393] | 504 | } |
---|
[647] | 505 | |
---|
| 506 | /* |
---|
| 507 | * deletes favorites of the current user if he's not allowed to see them |
---|
| 508 | * |
---|
| 509 | * @return void |
---|
| 510 | */ |
---|
| 511 | function check_user_favorites() |
---|
| 512 | { |
---|
| 513 | global $user; |
---|
| 514 | |
---|
| 515 | if ($user['forbidden_categories'] == '') |
---|
| 516 | { |
---|
| 517 | return; |
---|
| 518 | } |
---|
[832] | 519 | |
---|
[1677] | 520 | // $filter['visible_categories'] and $filter['visible_images'] |
---|
| 521 | // must be not used because filter <> restriction |
---|
[832] | 522 | // retrieving images allowed : belonging to at least one authorized |
---|
| 523 | // category |
---|
[647] | 524 | $query = ' |
---|
[832] | 525 | SELECT DISTINCT f.image_id |
---|
[647] | 526 | FROM '.FAVORITES_TABLE.' AS f INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic |
---|
| 527 | ON f.image_id = ic.image_id |
---|
| 528 | WHERE f.user_id = '.$user['id'].' |
---|
[1677] | 529 | '.get_sql_condition_FandF |
---|
| 530 | ( |
---|
| 531 | array |
---|
| 532 | ( |
---|
| 533 | 'forbidden_categories' => 'ic.category_id', |
---|
| 534 | ), |
---|
| 535 | 'AND' |
---|
| 536 | ).' |
---|
[647] | 537 | ;'; |
---|
[13074] | 538 | $authorizeds = array_from_query($query, 'image_id'); |
---|
[647] | 539 | |
---|
[832] | 540 | $query = ' |
---|
| 541 | SELECT image_id |
---|
| 542 | FROM '.FAVORITES_TABLE.' |
---|
| 543 | WHERE user_id = '.$user['id'].' |
---|
| 544 | ;'; |
---|
[13074] | 545 | $favorites = array_from_query($query, 'image_id'); |
---|
[832] | 546 | |
---|
| 547 | $to_deletes = array_diff($favorites, $authorizeds); |
---|
| 548 | if (count($to_deletes) > 0) |
---|
| 549 | { |
---|
[647] | 550 | $query = ' |
---|
| 551 | DELETE FROM '.FAVORITES_TABLE.' |
---|
[832] | 552 | WHERE image_id IN ('.implode(',', $to_deletes).') |
---|
[647] | 553 | AND user_id = '.$user['id'].' |
---|
| 554 | ;'; |
---|
| 555 | pwg_query($query); |
---|
| 556 | } |
---|
| 557 | } |
---|
[648] | 558 | |
---|
| 559 | /** |
---|
[808] | 560 | * calculates the list of forbidden categories for a given user |
---|
[648] | 561 | * |
---|
[808] | 562 | * Calculation is based on private categories minus categories authorized to |
---|
| 563 | * the groups the user belongs to minus the categories directly authorized |
---|
| 564 | * to the user. The list contains at least -1 to be compliant with queries |
---|
| 565 | * such as "WHERE category_id NOT IN ($forbidden_categories)" |
---|
[648] | 566 | * |
---|
| 567 | * @param int user_id |
---|
[680] | 568 | * @param string user_status |
---|
[648] | 569 | * @return string forbidden_categories |
---|
| 570 | */ |
---|
[680] | 571 | function calculate_permissions($user_id, $user_status) |
---|
[648] | 572 | { |
---|
| 573 | $query = ' |
---|
| 574 | SELECT id |
---|
| 575 | FROM '.CATEGORIES_TABLE.' |
---|
| 576 | WHERE status = \'private\' |
---|
| 577 | ;'; |
---|
[13074] | 578 | $private_array = array_from_query($query, 'id'); |
---|
[680] | 579 | |
---|
[648] | 580 | // retrieve category ids directly authorized to the user |
---|
| 581 | $query = ' |
---|
| 582 | SELECT cat_id |
---|
| 583 | FROM '.USER_ACCESS_TABLE.' |
---|
| 584 | WHERE user_id = '.$user_id.' |
---|
| 585 | ;'; |
---|
[808] | 586 | $authorized_array = array_from_query($query, 'cat_id'); |
---|
[648] | 587 | |
---|
| 588 | // retrieve category ids authorized to the groups the user belongs to |
---|
| 589 | $query = ' |
---|
| 590 | SELECT cat_id |
---|
| 591 | FROM '.USER_GROUP_TABLE.' AS ug INNER JOIN '.GROUP_ACCESS_TABLE.' AS ga |
---|
| 592 | ON ug.group_id = ga.group_id |
---|
| 593 | WHERE ug.user_id = '.$user_id.' |
---|
| 594 | ;'; |
---|
[808] | 595 | $authorized_array = |
---|
| 596 | array_merge( |
---|
| 597 | $authorized_array, |
---|
| 598 | array_from_query($query, 'cat_id') |
---|
| 599 | ); |
---|
[648] | 600 | |
---|
| 601 | // uniquify ids : some private categories might be authorized for the |
---|
| 602 | // groups and for the user |
---|
| 603 | $authorized_array = array_unique($authorized_array); |
---|
| 604 | |
---|
| 605 | // only unauthorized private categories are forbidden |
---|
| 606 | $forbidden_array = array_diff($private_array, $authorized_array); |
---|
| 607 | |
---|
[1117] | 608 | // if user is not an admin, locked categories are forbidden |
---|
[1851] | 609 | if (!is_admin($user_status)) |
---|
[1117] | 610 | { |
---|
| 611 | $query = ' |
---|
| 612 | SELECT id |
---|
| 613 | FROM '.CATEGORIES_TABLE.' |
---|
| 614 | WHERE visible = \'false\' |
---|
| 615 | ;'; |
---|
| 616 | $result = pwg_query($query); |
---|
[4325] | 617 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1117] | 618 | { |
---|
[13074] | 619 | $forbidden_array[] = $row['id']; |
---|
[1117] | 620 | } |
---|
| 621 | $forbidden_array = array_unique($forbidden_array); |
---|
| 622 | } |
---|
[1068] | 623 | |
---|
[1117] | 624 | if ( empty($forbidden_array) ) |
---|
[1331] | 625 | {// at least, the list contains 0 value. This category does not exists so |
---|
| 626 | // where clauses such as "WHERE category_id NOT IN(0)" will always be |
---|
[1117] | 627 | // true. |
---|
[13074] | 628 | $forbidden_array[] = 0; |
---|
[1117] | 629 | } |
---|
| 630 | |
---|
[808] | 631 | return implode(',', $forbidden_array); |
---|
[648] | 632 | } |
---|
[708] | 633 | |
---|
[22879] | 634 | |
---|
| 635 | /*update counters with a category removal*/ |
---|
| 636 | function remove_computed_category(&$cats, $cat) |
---|
[1624] | 637 | { |
---|
[22879] | 638 | if ( isset( $cats[$cat['id_uppercat']] ) ) |
---|
[1624] | 639 | { |
---|
[22879] | 640 | $parent = & $cats[ $cat['id_uppercat'] ]; |
---|
| 641 | $parent['nb_categories']--; |
---|
[1640] | 642 | |
---|
[22879] | 643 | do |
---|
[1624] | 644 | { |
---|
[1640] | 645 | |
---|
[22879] | 646 | $parent['count_images'] -= $cat['nb_images']; |
---|
| 647 | $parent['count_categories'] -= 1+$cat['count_categories']; |
---|
[1624] | 648 | |
---|
[22879] | 649 | if ( !isset( $cats[$parent['id_uppercat']] ) ) |
---|
| 650 | break; |
---|
| 651 | $parent = & $cats[$parent['id_uppercat']]; |
---|
[1677] | 652 | } |
---|
[22879] | 653 | while (true); |
---|
[1624] | 654 | } |
---|
[1651] | 655 | |
---|
[22879] | 656 | unset($cats[$cat['cat_id']]); |
---|
[1677] | 657 | } |
---|
[1651] | 658 | |
---|
[1677] | 659 | /** |
---|
| 660 | * get computed array of categories |
---|
| 661 | * |
---|
[1860] | 662 | * @param array userdata |
---|
| 663 | * @param int filter_days number of recent days to filter on or null |
---|
[1677] | 664 | * @return array |
---|
| 665 | */ |
---|
[21801] | 666 | function get_computed_categories(&$userdata, $filter_days=null) |
---|
[1677] | 667 | { |
---|
[22879] | 668 | $query = 'SELECT c.id AS cat_id, id_uppercat'; |
---|
[2084] | 669 | // Count by date_available to avoid count null |
---|
| 670 | $query .= ', |
---|
[6652] | 671 | MAX(date_available) AS date_last, COUNT(date_available) AS nb_images |
---|
[2084] | 672 | FROM '.CATEGORIES_TABLE.' as c |
---|
| 673 | LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id |
---|
| 674 | LEFT JOIN '.IMAGES_TABLE.' AS i |
---|
| 675 | ON ic.image_id = i.id |
---|
| 676 | AND i.level<='.$userdata['level']; |
---|
| 677 | |
---|
| 678 | if ( isset($filter_days) ) |
---|
[1651] | 679 | { |
---|
[4367] | 680 | $query .= ' AND i.date_available > '.pwg_db_get_recent_period_expression($filter_days); |
---|
[1651] | 681 | } |
---|
| 682 | |
---|
[1860] | 683 | if ( !empty($userdata['forbidden_categories']) ) |
---|
[1651] | 684 | { |
---|
| 685 | $query.= ' |
---|
[1860] | 686 | WHERE c.id NOT IN ('.$userdata['forbidden_categories'].')'; |
---|
[1651] | 687 | } |
---|
| 688 | |
---|
[2324] | 689 | $query.= ' |
---|
[21801] | 690 | GROUP BY c.id'; |
---|
[1624] | 691 | |
---|
| 692 | $result = pwg_query($query); |
---|
| 693 | |
---|
[21801] | 694 | $userdata['last_photo_date'] = null; |
---|
[1624] | 695 | $cats = array(); |
---|
[4325] | 696 | while ($row = pwg_db_fetch_assoc($result)) |
---|
[1624] | 697 | { |
---|
[1860] | 698 | $row['user_id'] = $userdata['id']; |
---|
[22879] | 699 | $row['nb_categories'] = 0; |
---|
[1641] | 700 | $row['count_categories'] = 0; |
---|
[2324] | 701 | $row['count_images'] = (int)$row['nb_images']; |
---|
| 702 | $row['max_date_last'] = $row['date_last']; |
---|
[21801] | 703 | if ($row['date_last'] > $userdata['last_photo_date']) |
---|
| 704 | { |
---|
| 705 | $userdata['last_photo_date'] = $row['date_last']; |
---|
| 706 | } |
---|
[1860] | 707 | |
---|
[22879] | 708 | $cats[$row['cat_id']] = $row; |
---|
[1624] | 709 | } |
---|
| 710 | |
---|
[22879] | 711 | foreach ($cats as $cat) |
---|
| 712 | { |
---|
| 713 | if ( !isset( $cat['id_uppercat'] ) ) |
---|
| 714 | continue; |
---|
[1624] | 715 | |
---|
[22879] | 716 | $parent = & $cats[ $cat['id_uppercat'] ]; |
---|
| 717 | $parent['nb_categories']++; |
---|
| 718 | |
---|
| 719 | do |
---|
| 720 | { |
---|
| 721 | $parent['count_images'] += $cat['nb_images']; |
---|
| 722 | $parent['count_categories']++; |
---|
| 723 | |
---|
| 724 | if ((empty($parent['max_date_last'])) or ($parent['max_date_last'] < $cat['date_last'])) |
---|
| 725 | { |
---|
| 726 | $parent['max_date_last'] = $cat['date_last']; |
---|
| 727 | } |
---|
| 728 | |
---|
| 729 | if ( !isset( $parent['id_uppercat'] ) ) |
---|
| 730 | break; |
---|
| 731 | $parent = & $cats[$parent['id_uppercat']]; |
---|
| 732 | } |
---|
| 733 | while (true); |
---|
| 734 | unset($parent); |
---|
| 735 | } |
---|
| 736 | |
---|
[1860] | 737 | if ( isset($filter_days) ) |
---|
[1624] | 738 | { |
---|
[22879] | 739 | foreach ($cats as $category) |
---|
[1651] | 740 | { |
---|
[22879] | 741 | if (empty($category['max_date_last'])) |
---|
[1651] | 742 | { |
---|
[22879] | 743 | remove_computed_category($cats, $category); |
---|
[1651] | 744 | } |
---|
| 745 | } |
---|
| 746 | } |
---|
[1677] | 747 | return $cats; |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | /** |
---|
[808] | 751 | * returns user identifier thanks to his name, false if not found |
---|
| 752 | * |
---|
| 753 | * @param string username |
---|
| 754 | * @param int user identifier |
---|
| 755 | */ |
---|
| 756 | function get_userid($username) |
---|
| 757 | { |
---|
| 758 | global $conf; |
---|
| 759 | |
---|
[4325] | 760 | $username = pwg_db_real_escape_string($username); |
---|
[808] | 761 | |
---|
| 762 | $query = ' |
---|
| 763 | SELECT '.$conf['user_fields']['id'].' |
---|
| 764 | FROM '.USERS_TABLE.' |
---|
| 765 | WHERE '.$conf['user_fields']['username'].' = \''.$username.'\' |
---|
| 766 | ;'; |
---|
| 767 | $result = pwg_query($query); |
---|
| 768 | |
---|
[4325] | 769 | if (pwg_db_num_rows($result) == 0) |
---|
[808] | 770 | { |
---|
| 771 | return false; |
---|
| 772 | } |
---|
| 773 | else |
---|
| 774 | { |
---|
[4325] | 775 | list($user_id) = pwg_db_fetch_row($result); |
---|
[808] | 776 | return $user_id; |
---|
| 777 | } |
---|
| 778 | } |
---|
| 779 | |
---|
[11992] | 780 | function get_userid_by_email($email) |
---|
| 781 | { |
---|
| 782 | global $conf; |
---|
| 783 | |
---|
| 784 | $email = pwg_db_real_escape_string($email); |
---|
[13074] | 785 | |
---|
[11992] | 786 | $query = ' |
---|
| 787 | SELECT |
---|
| 788 | '.$conf['user_fields']['id'].' |
---|
| 789 | FROM '.USERS_TABLE.' |
---|
| 790 | WHERE UPPER('.$conf['user_fields']['email'].') = UPPER(\''.$email.'\') |
---|
| 791 | ;'; |
---|
| 792 | $result = pwg_query($query); |
---|
| 793 | |
---|
| 794 | if (pwg_db_num_rows($result) == 0) |
---|
| 795 | { |
---|
| 796 | return false; |
---|
| 797 | } |
---|
| 798 | else |
---|
| 799 | { |
---|
| 800 | list($user_id) = pwg_db_fetch_row($result); |
---|
| 801 | return $user_id; |
---|
| 802 | } |
---|
| 803 | } |
---|
| 804 | |
---|
[1926] | 805 | /* |
---|
| 806 | * Returns a array with default user value |
---|
[808] | 807 | * |
---|
[1926] | 808 | * @param convert_str allows to convert string value if necessary |
---|
[808] | 809 | */ |
---|
[1926] | 810 | function get_default_user_info($convert_str = true) |
---|
[808] | 811 | { |
---|
[3126] | 812 | global $cache, $conf; |
---|
[2084] | 813 | |
---|
[3126] | 814 | if (!isset($cache['default_user'])) |
---|
[1926] | 815 | { |
---|
[20545] | 816 | $query = ' |
---|
| 817 | SELECT * |
---|
| 818 | FROM '.USER_INFOS_TABLE.' |
---|
| 819 | WHERE user_id = '.$conf['default_user_id'].' |
---|
| 820 | ;'; |
---|
[1068] | 821 | |
---|
[1926] | 822 | $result = pwg_query($query); |
---|
[2084] | 823 | |
---|
[20545] | 824 | if (pwg_db_num_rows($result) > 0) |
---|
[1930] | 825 | { |
---|
[20545] | 826 | $cache['default_user'] = pwg_db_fetch_assoc($result); |
---|
[21802] | 827 | |
---|
[3126] | 828 | unset($cache['default_user']['user_id']); |
---|
| 829 | unset($cache['default_user']['status']); |
---|
| 830 | unset($cache['default_user']['registration_date']); |
---|
[1930] | 831 | } |
---|
[20545] | 832 | else |
---|
| 833 | { |
---|
| 834 | $cache['default_user'] = false; |
---|
| 835 | } |
---|
[1926] | 836 | } |
---|
[808] | 837 | |
---|
[3126] | 838 | if (is_array($cache['default_user']) and $convert_str) |
---|
[1284] | 839 | { |
---|
[18629] | 840 | $default_user = $cache['default_user']; |
---|
| 841 | foreach ($default_user as &$value) |
---|
[1926] | 842 | { |
---|
[18629] | 843 | // If the field is true or false, the variable is transformed into a boolean value. |
---|
| 844 | if ($value == 'true') |
---|
[1926] | 845 | { |
---|
[18629] | 846 | $value = true; |
---|
[1926] | 847 | } |
---|
[18629] | 848 | elseif ($value == 'false') |
---|
[1926] | 849 | { |
---|
[18629] | 850 | $value = false; |
---|
[1926] | 851 | } |
---|
| 852 | } |
---|
| 853 | return $default_user; |
---|
[1284] | 854 | } |
---|
[1926] | 855 | else |
---|
[1284] | 856 | { |
---|
[3126] | 857 | return $cache['default_user']; |
---|
[1284] | 858 | } |
---|
[1926] | 859 | } |
---|
| 860 | |
---|
| 861 | /* |
---|
| 862 | * Returns a default user value |
---|
| 863 | * |
---|
| 864 | * @param value_name: name of value |
---|
| 865 | * @param sos_value: value used if don't exist value |
---|
| 866 | */ |
---|
| 867 | function get_default_user_value($value_name, $sos_value) |
---|
| 868 | { |
---|
| 869 | $default_user = get_default_user_info(true); |
---|
[5271] | 870 | if ($default_user === false or empty($default_user[$value_name])) |
---|
[1926] | 871 | { |
---|
| 872 | return $sos_value; |
---|
| 873 | } |
---|
[1284] | 874 | else |
---|
| 875 | { |
---|
[1926] | 876 | return $default_user[$value_name]; |
---|
[1284] | 877 | } |
---|
[1926] | 878 | } |
---|
[1567] | 879 | |
---|
[1926] | 880 | /* |
---|
| 881 | * Returns the default template value |
---|
| 882 | * |
---|
| 883 | */ |
---|
[5123] | 884 | function get_default_theme() |
---|
[1926] | 885 | { |
---|
[5982] | 886 | $theme = get_default_user_value('theme', PHPWG_DEFAULT_TEMPLATE); |
---|
| 887 | if (check_theme_installed($theme)) |
---|
| 888 | { |
---|
| 889 | return $theme; |
---|
| 890 | } |
---|
[13074] | 891 | |
---|
[5982] | 892 | // let's find the first available theme |
---|
| 893 | $active_themes = get_pwg_themes(); |
---|
| 894 | foreach (array_keys(get_pwg_themes()) as $theme_id) |
---|
| 895 | { |
---|
[12670] | 896 | return $theme_id; |
---|
[5982] | 897 | } |
---|
[1926] | 898 | } |
---|
[808] | 899 | |
---|
[1926] | 900 | /* |
---|
| 901 | * Returns the default language value |
---|
| 902 | * |
---|
| 903 | */ |
---|
| 904 | function get_default_language() |
---|
| 905 | { |
---|
[2425] | 906 | return get_default_user_value('language', PHPWG_DEFAULT_LANGUAGE); |
---|
[808] | 907 | } |
---|
[817] | 908 | |
---|
| 909 | /** |
---|
[2425] | 910 | * Returns true if the browser language value is set into param $lang |
---|
[2411] | 911 | * |
---|
| 912 | */ |
---|
[2425] | 913 | function get_browser_language(&$lang) |
---|
[2411] | 914 | { |
---|
[2572] | 915 | $browser_language = substr(@$_SERVER["HTTP_ACCEPT_LANGUAGE"], 0, 2); |
---|
[2411] | 916 | foreach (get_languages() as $language_code => $language_name) |
---|
| 917 | { |
---|
| 918 | if (substr($language_code, 0, 2) == $browser_language) |
---|
| 919 | { |
---|
[2425] | 920 | $lang = $language_code; |
---|
| 921 | return true; |
---|
[2411] | 922 | } |
---|
| 923 | } |
---|
[2425] | 924 | return false; |
---|
[2411] | 925 | } |
---|
| 926 | |
---|
| 927 | /** |
---|
[1926] | 928 | * add user informations based on default values |
---|
| 929 | * |
---|
| 930 | * @param int user_id / array of user_if |
---|
[1930] | 931 | * @param array of values used to override default user values |
---|
[1926] | 932 | */ |
---|
[1930] | 933 | function create_user_infos($arg_id, $override_values = null) |
---|
[1926] | 934 | { |
---|
| 935 | global $conf; |
---|
| 936 | |
---|
| 937 | if (is_array($arg_id)) |
---|
| 938 | { |
---|
| 939 | $user_ids = $arg_id; |
---|
| 940 | } |
---|
| 941 | else |
---|
| 942 | { |
---|
| 943 | $user_ids = array(); |
---|
[2229] | 944 | if (is_numeric($arg_id)) |
---|
[1926] | 945 | { |
---|
| 946 | $user_ids[] = $arg_id; |
---|
| 947 | } |
---|
| 948 | } |
---|
| 949 | |
---|
| 950 | if (!empty($user_ids)) |
---|
| 951 | { |
---|
| 952 | $inserts = array(); |
---|
[4325] | 953 | list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();')); |
---|
[1926] | 954 | |
---|
| 955 | $default_user = get_default_user_info(false); |
---|
| 956 | if ($default_user === false) |
---|
| 957 | { |
---|
| 958 | // Default on structure are used |
---|
| 959 | $default_user = array(); |
---|
| 960 | } |
---|
| 961 | |
---|
[1930] | 962 | if (!is_null($override_values)) |
---|
| 963 | { |
---|
| 964 | $default_user = array_merge($default_user, $override_values); |
---|
| 965 | } |
---|
| 966 | |
---|
[1926] | 967 | foreach ($user_ids as $user_id) |
---|
| 968 | { |
---|
[2084] | 969 | $level= isset($default_user['level']) ? $default_user['level'] : 0; |
---|
[1926] | 970 | if ($user_id == $conf['webmaster_id']) |
---|
| 971 | { |
---|
| 972 | $status = 'webmaster'; |
---|
[2084] | 973 | $level = max( $conf['available_permission_levels'] ); |
---|
[1926] | 974 | } |
---|
[2084] | 975 | else if (($user_id == $conf['guest_id']) or |
---|
[1926] | 976 | ($user_id == $conf['default_user_id'])) |
---|
| 977 | { |
---|
| 978 | $status = 'guest'; |
---|
| 979 | } |
---|
| 980 | else |
---|
| 981 | { |
---|
| 982 | $status = 'normal'; |
---|
| 983 | } |
---|
| 984 | |
---|
[1930] | 985 | $insert = array_merge( |
---|
| 986 | $default_user, |
---|
[1926] | 987 | array( |
---|
| 988 | 'user_id' => $user_id, |
---|
| 989 | 'status' => $status, |
---|
[2084] | 990 | 'registration_date' => $dbnow, |
---|
| 991 | 'level' => $level |
---|
[1930] | 992 | )); |
---|
[1926] | 993 | |
---|
[18629] | 994 | $inserts[] = $insert; |
---|
[2084] | 995 | } |
---|
[1926] | 996 | |
---|
| 997 | mass_inserts(USER_INFOS_TABLE, array_keys($inserts[0]), $inserts); |
---|
| 998 | } |
---|
| 999 | } |
---|
| 1000 | |
---|
| 1001 | /** |
---|
[1622] | 1002 | * returns the auto login key or false on error |
---|
| 1003 | * @param int user_id |
---|
[2411] | 1004 | * @param time_t time |
---|
[1744] | 1005 | * @param string [out] username |
---|
[1622] | 1006 | */ |
---|
[2409] | 1007 | function calculate_auto_login_key($user_id, $time, &$username) |
---|
[1622] | 1008 | { |
---|
| 1009 | global $conf; |
---|
| 1010 | $query = ' |
---|
| 1011 | SELECT '.$conf['user_fields']['username'].' AS username |
---|
| 1012 | , '.$conf['user_fields']['password'].' AS password |
---|
| 1013 | FROM '.USERS_TABLE.' |
---|
| 1014 | WHERE '.$conf['user_fields']['id'].' = '.$user_id; |
---|
| 1015 | $result = pwg_query($query); |
---|
[4325] | 1016 | if (pwg_db_num_rows($result) > 0) |
---|
[1622] | 1017 | { |
---|
[4325] | 1018 | $row = pwg_db_fetch_assoc($result); |
---|
[4304] | 1019 | $username = stripslashes($row['username']); |
---|
[11826] | 1020 | $data = $time.$user_id.$username; |
---|
| 1021 | $key = base64_encode( hash_hmac('sha1', $data, $conf['secret_key'].$row['password'],true) ); |
---|
[1622] | 1022 | return $key; |
---|
| 1023 | } |
---|
| 1024 | return false; |
---|
| 1025 | } |
---|
| 1026 | |
---|
[1068] | 1027 | /* |
---|
| 1028 | * Performs all required actions for user login |
---|
| 1029 | * @param int user_id |
---|
| 1030 | * @param bool remember_me |
---|
| 1031 | * @return void |
---|
| 1032 | */ |
---|
| 1033 | function log_user($user_id, $remember_me) |
---|
| 1034 | { |
---|
[1511] | 1035 | global $conf, $user; |
---|
[1493] | 1036 | |
---|
[1641] | 1037 | if ($remember_me and $conf['authorize_remembering']) |
---|
[1068] | 1038 | { |
---|
[2409] | 1039 | $now = time(); |
---|
| 1040 | $key = calculate_auto_login_key($user_id, $now, $username); |
---|
[1622] | 1041 | if ($key!==false) |
---|
[1493] | 1042 | { |
---|
[2409] | 1043 | $cookie = $user_id.'-'.$now.'-'.$key; |
---|
[2757] | 1044 | if (version_compare(PHP_VERSION, '5.2', '>=') ) |
---|
| 1045 | { |
---|
| 1046 | setcookie($conf['remember_me_name'], |
---|
[2409] | 1047 | $cookie, |
---|
[2029] | 1048 | time()+$conf['remember_me_length'], |
---|
[2757] | 1049 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure'), |
---|
| 1050 | ini_get('session.cookie_httponly') |
---|
[2029] | 1051 | ); |
---|
[2757] | 1052 | } |
---|
| 1053 | else |
---|
| 1054 | { |
---|
| 1055 | setcookie($conf['remember_me_name'], |
---|
| 1056 | $cookie, |
---|
| 1057 | time()+$conf['remember_me_length'], |
---|
| 1058 | cookie_path(),ini_get('session.cookie_domain'),ini_get('session.cookie_secure') |
---|
| 1059 | ); |
---|
| 1060 | } |
---|
[2029] | 1061 | } |
---|
[1068] | 1062 | } |
---|
[1568] | 1063 | else |
---|
| 1064 | { // make sure we clean any remember me ... |
---|
[2757] | 1065 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1568] | 1066 | } |
---|
| 1067 | if ( session_id()!="" ) |
---|
[1622] | 1068 | { // we regenerate the session for security reasons |
---|
| 1069 | // see http://www.acros.si/papers/session_fixation.pdf |
---|
[6660] | 1070 | session_regenerate_id(true); |
---|
[1568] | 1071 | } |
---|
| 1072 | else |
---|
| 1073 | { |
---|
| 1074 | session_start(); |
---|
| 1075 | } |
---|
[1622] | 1076 | $_SESSION['pwg_uid'] = (int)$user_id; |
---|
[1511] | 1077 | |
---|
| 1078 | $user['id'] = $_SESSION['pwg_uid']; |
---|
[20282] | 1079 | trigger_action('user_login', $user['id']); |
---|
[1068] | 1080 | } |
---|
| 1081 | |
---|
[1070] | 1082 | /* |
---|
[1511] | 1083 | * Performs auto-connexion when cookie remember_me exists |
---|
[1568] | 1084 | * @return true/false |
---|
[1511] | 1085 | */ |
---|
[1567] | 1086 | function auto_login() { |
---|
[1511] | 1087 | global $conf; |
---|
| 1088 | |
---|
[1568] | 1089 | if ( isset( $_COOKIE[$conf['remember_me_name']] ) ) |
---|
| 1090 | { |
---|
[2409] | 1091 | $cookie = explode('-', stripslashes($_COOKIE[$conf['remember_me_name']])); |
---|
[2411] | 1092 | if ( count($cookie)===3 |
---|
[2409] | 1093 | and is_numeric(@$cookie[0]) /*user id*/ |
---|
| 1094 | and is_numeric(@$cookie[1]) /*time*/ |
---|
| 1095 | and time()-$conf['remember_me_length']<=@$cookie[1] |
---|
| 1096 | and time()>=@$cookie[1] /*cookie generated in the past*/ ) |
---|
[1568] | 1097 | { |
---|
[2409] | 1098 | $key = calculate_auto_login_key( $cookie[0], $cookie[1], $username ); |
---|
| 1099 | if ($key!==false and $key===$cookie[2]) |
---|
[1622] | 1100 | { |
---|
[2409] | 1101 | log_user($cookie[0], true); |
---|
[4304] | 1102 | trigger_action('login_success', stripslashes($username)); |
---|
[1622] | 1103 | return true; |
---|
| 1104 | } |
---|
[1568] | 1105 | } |
---|
[2757] | 1106 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
[1511] | 1107 | } |
---|
[1568] | 1108 | return false; |
---|
[1511] | 1109 | } |
---|
| 1110 | |
---|
[1744] | 1111 | /** |
---|
[18889] | 1112 | * hashes a password, with the PasswordHash class from phpass security |
---|
| 1113 | * library. We use an "pwg_" prefix because function password_hash is |
---|
| 1114 | * planned for PHP 5.5. Code inspired from Wordpress. |
---|
| 1115 | * |
---|
| 1116 | * @param string $password Plain text user password to hash |
---|
| 1117 | * @return string The hash string of the password |
---|
| 1118 | */ |
---|
| 1119 | function pwg_password_hash($password) |
---|
| 1120 | { |
---|
| 1121 | global $pwg_hasher; |
---|
| 1122 | |
---|
| 1123 | if (empty($pwg_hasher)) |
---|
| 1124 | { |
---|
| 1125 | require_once(PHPWG_ROOT_PATH.'include/passwordhash.class.php'); |
---|
[21802] | 1126 | |
---|
[18889] | 1127 | // We use the portable hash feature from phpass because we can't be sure |
---|
| 1128 | // Piwigo runs on PHP 5.3+ (and won't run on an older version in the |
---|
| 1129 | // future) |
---|
| 1130 | $pwg_hasher = new PasswordHash(13, true); |
---|
| 1131 | } |
---|
[21802] | 1132 | |
---|
[18889] | 1133 | return $pwg_hasher->HashPassword($password); |
---|
| 1134 | } |
---|
| 1135 | |
---|
| 1136 | /** |
---|
| 1137 | * Verifies a password, with the PasswordHash class from phpass security |
---|
| 1138 | * library. We use an "pwg_" prefix because function password_verify is |
---|
| 1139 | * planned for PHP 5.5. Code inspired from Wordpress. |
---|
| 1140 | * |
---|
| 1141 | * @param string $password Plain text user password to hash |
---|
| 1142 | * @param string $hash may be md5 or phpass hashed password |
---|
| 1143 | * @param integer $account_id only useful to update password hash from md5 to phpass |
---|
| 1144 | * @return string The hash string of the password |
---|
| 1145 | */ |
---|
| 1146 | function pwg_password_verify($password, $hash, $user_id=null) |
---|
| 1147 | { |
---|
| 1148 | global $conf, $pwg_hasher; |
---|
| 1149 | |
---|
[18890] | 1150 | // If the password has not been hashed with the current algorithm. |
---|
| 1151 | if (strpos('$P', $hash) !== 0) |
---|
[18889] | 1152 | { |
---|
[18890] | 1153 | if (!empty($conf['pass_convert'])) |
---|
| 1154 | { |
---|
| 1155 | $check = ($hash == $conf['pass_convert']($password)); |
---|
| 1156 | } |
---|
| 1157 | else |
---|
| 1158 | { |
---|
| 1159 | $check = ($hash == md5($password)); |
---|
| 1160 | } |
---|
[21802] | 1161 | |
---|
[22005] | 1162 | if ($check) |
---|
[18889] | 1163 | { |
---|
[22005] | 1164 | if (!isset($user_id) or $conf['external_authentification']) |
---|
| 1165 | { |
---|
| 1166 | return true; |
---|
| 1167 | } |
---|
| 1168 | |
---|
[18889] | 1169 | // Rehash using new hash. |
---|
| 1170 | $hash = pwg_password_hash($password); |
---|
| 1171 | |
---|
| 1172 | single_update( |
---|
| 1173 | USERS_TABLE, |
---|
| 1174 | array('password' => $hash), |
---|
| 1175 | array('id' => $user_id) |
---|
| 1176 | ); |
---|
| 1177 | } |
---|
| 1178 | } |
---|
| 1179 | |
---|
| 1180 | // If the stored hash is longer than an MD5, presume the |
---|
| 1181 | // new style phpass portable hash. |
---|
| 1182 | if (empty($pwg_hasher)) |
---|
| 1183 | { |
---|
| 1184 | require_once(PHPWG_ROOT_PATH.'include/passwordhash.class.php'); |
---|
[21802] | 1185 | |
---|
[18889] | 1186 | // We use the portable hash feature |
---|
| 1187 | $pwg_hasher = new PasswordHash(13, true); |
---|
| 1188 | } |
---|
| 1189 | |
---|
| 1190 | return $pwg_hasher->CheckPassword($password, $hash); |
---|
| 1191 | } |
---|
| 1192 | |
---|
| 1193 | /** |
---|
[1744] | 1194 | * Tries to login a user given username and password (must be MySql escaped) |
---|
| 1195 | * return true on success |
---|
| 1196 | */ |
---|
| 1197 | function try_log_user($username, $password, $remember_me) |
---|
| 1198 | { |
---|
[20282] | 1199 | return trigger_event('try_log_user', false, $username, $password, $remember_me); |
---|
| 1200 | } |
---|
| 1201 | |
---|
| 1202 | add_event_handler('try_log_user', 'pwg_login', EVENT_HANDLER_PRIORITY_NEUTRAL, 4); |
---|
| 1203 | |
---|
| 1204 | function pwg_login($success, $username, $password, $remember_me) |
---|
| 1205 | { |
---|
[21802] | 1206 | if ($success===true) |
---|
[20282] | 1207 | { |
---|
| 1208 | return true; |
---|
| 1209 | } |
---|
[21802] | 1210 | |
---|
[11737] | 1211 | // we force the session table to be clean |
---|
| 1212 | pwg_session_gc(); |
---|
[13074] | 1213 | |
---|
[1744] | 1214 | global $conf; |
---|
| 1215 | // retrieving the encrypted password of the login submitted |
---|
| 1216 | $query = ' |
---|
| 1217 | SELECT '.$conf['user_fields']['id'].' AS id, |
---|
| 1218 | '.$conf['user_fields']['password'].' AS password |
---|
| 1219 | FROM '.USERS_TABLE.' |
---|
[4367] | 1220 | WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' |
---|
[1744] | 1221 | ;'; |
---|
[4325] | 1222 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
---|
[18889] | 1223 | if ($conf['password_verify']($password, $row['password'], $row['id'])) |
---|
[1744] | 1224 | { |
---|
| 1225 | log_user($row['id'], $remember_me); |
---|
[4304] | 1226 | trigger_action('login_success', stripslashes($username)); |
---|
[1744] | 1227 | return true; |
---|
| 1228 | } |
---|
[4304] | 1229 | trigger_action('login_failure', stripslashes($username)); |
---|
[1744] | 1230 | return false; |
---|
| 1231 | } |
---|
| 1232 | |
---|
[2757] | 1233 | /** Performs all the cleanup on user logout */ |
---|
| 1234 | function logout_user() |
---|
| 1235 | { |
---|
| 1236 | global $conf; |
---|
[21802] | 1237 | |
---|
[20282] | 1238 | trigger_action('user_logout', @$_SESSION['pwg_uid']); |
---|
[21802] | 1239 | |
---|
[2757] | 1240 | $_SESSION = array(); |
---|
| 1241 | session_unset(); |
---|
| 1242 | session_destroy(); |
---|
| 1243 | setcookie(session_name(),'',0, |
---|
| 1244 | ini_get('session.cookie_path'), |
---|
| 1245 | ini_get('session.cookie_domain') |
---|
| 1246 | ); |
---|
| 1247 | setcookie($conf['remember_me_name'], '', 0, cookie_path(),ini_get('session.cookie_domain')); |
---|
| 1248 | } |
---|
| 1249 | |
---|
[1511] | 1250 | /* |
---|
[2029] | 1251 | * Return user status used in this library |
---|
| 1252 | * @return string |
---|
[1070] | 1253 | */ |
---|
[2029] | 1254 | function get_user_status($user_status) |
---|
[1070] | 1255 | { |
---|
[2029] | 1256 | global $user; |
---|
[1072] | 1257 | |
---|
[1854] | 1258 | if (empty($user_status)) |
---|
[1075] | 1259 | { |
---|
[1854] | 1260 | if (isset($user['status'])) |
---|
| 1261 | { |
---|
| 1262 | $user_status = $user['status']; |
---|
| 1263 | } |
---|
| 1264 | else |
---|
| 1265 | { |
---|
| 1266 | // swicth to default value |
---|
| 1267 | $user_status = ''; |
---|
| 1268 | } |
---|
[1075] | 1269 | } |
---|
[2029] | 1270 | return $user_status; |
---|
| 1271 | } |
---|
[1075] | 1272 | |
---|
[2029] | 1273 | /* |
---|
[2325] | 1274 | * Return access_type definition of user |
---|
[2029] | 1275 | * Test does with user status |
---|
| 1276 | * @return bool |
---|
| 1277 | */ |
---|
| 1278 | function get_access_type_status($user_status='') |
---|
| 1279 | { |
---|
| 1280 | global $conf; |
---|
| 1281 | |
---|
| 1282 | switch (get_user_status($user_status)) |
---|
[1072] | 1283 | { |
---|
[1075] | 1284 | case 'guest': |
---|
[1851] | 1285 | { |
---|
[1854] | 1286 | $access_type_status = |
---|
[2325] | 1287 | ($conf['guest_access'] ? ACCESS_GUEST : ACCESS_FREE); |
---|
[1851] | 1288 | break; |
---|
| 1289 | } |
---|
[1075] | 1290 | case 'generic': |
---|
[1072] | 1291 | { |
---|
[1075] | 1292 | $access_type_status = ACCESS_GUEST; |
---|
| 1293 | break; |
---|
[1072] | 1294 | } |
---|
[1075] | 1295 | case 'normal': |
---|
| 1296 | { |
---|
| 1297 | $access_type_status = ACCESS_CLASSIC; |
---|
| 1298 | break; |
---|
| 1299 | } |
---|
| 1300 | case 'admin': |
---|
| 1301 | { |
---|
| 1302 | $access_type_status = ACCESS_ADMINISTRATOR; |
---|
| 1303 | break; |
---|
| 1304 | } |
---|
| 1305 | case 'webmaster': |
---|
| 1306 | { |
---|
| 1307 | $access_type_status = ACCESS_WEBMASTER; |
---|
| 1308 | break; |
---|
| 1309 | } |
---|
[2221] | 1310 | default: |
---|
[1854] | 1311 | { |
---|
[2325] | 1312 | $access_type_status = ACCESS_FREE; |
---|
[2221] | 1313 | break; |
---|
[1854] | 1314 | } |
---|
[1072] | 1315 | } |
---|
| 1316 | |
---|
[1085] | 1317 | return $access_type_status; |
---|
[1070] | 1318 | } |
---|
| 1319 | |
---|
[1072] | 1320 | /* |
---|
[1085] | 1321 | * Return if user have access to access_type definition |
---|
| 1322 | * Test does with user status |
---|
| 1323 | * @return bool |
---|
| 1324 | */ |
---|
[1851] | 1325 | function is_autorize_status($access_type, $user_status = '') |
---|
[1085] | 1326 | { |
---|
[1851] | 1327 | return (get_access_type_status($user_status) >= $access_type); |
---|
[1085] | 1328 | } |
---|
| 1329 | |
---|
| 1330 | /* |
---|
| 1331 | * Check if user have access to access_type definition |
---|
[1072] | 1332 | * Stop action if there are not access |
---|
| 1333 | * Test does with user status |
---|
| 1334 | * @return none |
---|
| 1335 | */ |
---|
[1851] | 1336 | function check_status($access_type, $user_status = '') |
---|
[1072] | 1337 | { |
---|
[1851] | 1338 | if (!is_autorize_status($access_type, $user_status)) |
---|
[1072] | 1339 | { |
---|
[1113] | 1340 | access_denied(); |
---|
[1072] | 1341 | } |
---|
| 1342 | } |
---|
| 1343 | |
---|
| 1344 | /* |
---|
[2163] | 1345 | * Return if user is generic |
---|
[1072] | 1346 | * @return bool |
---|
| 1347 | */ |
---|
[2163] | 1348 | function is_generic($user_status = '') |
---|
[2029] | 1349 | { |
---|
[2163] | 1350 | return get_user_status($user_status) == 'generic'; |
---|
[2029] | 1351 | } |
---|
| 1352 | |
---|
| 1353 | /* |
---|
[2163] | 1354 | * Return if user is only a guest |
---|
[2161] | 1355 | * @return bool |
---|
| 1356 | */ |
---|
[2163] | 1357 | function is_a_guest($user_status = '') |
---|
[2161] | 1358 | { |
---|
[2163] | 1359 | return get_user_status($user_status) == 'guest'; |
---|
[2161] | 1360 | } |
---|
[2163] | 1361 | |
---|
[2161] | 1362 | /* |
---|
[2029] | 1363 | * Return if user is, at least, a classic user |
---|
| 1364 | * @return bool |
---|
| 1365 | */ |
---|
| 1366 | function is_classic_user($user_status = '') |
---|
| 1367 | { |
---|
| 1368 | return is_autorize_status(ACCESS_CLASSIC, $user_status); |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | /* |
---|
| 1372 | * Return if user is, at least, an administrator |
---|
| 1373 | * @return bool |
---|
| 1374 | */ |
---|
[1851] | 1375 | function is_admin($user_status = '') |
---|
[1072] | 1376 | { |
---|
[1851] | 1377 | return is_autorize_status(ACCESS_ADMINISTRATOR, $user_status); |
---|
[1072] | 1378 | } |
---|
| 1379 | |
---|
[1085] | 1380 | /* |
---|
[5272] | 1381 | * Return if user is, at least, a webmaster |
---|
| 1382 | * @return bool |
---|
| 1383 | */ |
---|
| 1384 | function is_webmaster($user_status = '') |
---|
| 1385 | { |
---|
| 1386 | return is_autorize_status(ACCESS_WEBMASTER, $user_status); |
---|
| 1387 | } |
---|
| 1388 | |
---|
| 1389 | /* |
---|
[8126] | 1390 | * Adviser status is depreciated from piwigo 2.2 |
---|
| 1391 | * @return false |
---|
[1085] | 1392 | */ |
---|
| 1393 | function is_adviser() |
---|
| 1394 | { |
---|
[12339] | 1395 | // TODO for Piwigo 2.4 : trigger a warning. We don't do it on Piwigo 2.3 |
---|
| 1396 | // to avoid changes for plugin contributors |
---|
| 1397 | // trigger_error('call to obsolete function is_adviser', E_USER_WARNING); |
---|
[8126] | 1398 | return false; |
---|
[1085] | 1399 | } |
---|
[1458] | 1400 | |
---|
| 1401 | /* |
---|
[5195] | 1402 | * Return if current user can edit/delete/validate a comment |
---|
| 1403 | * @param action edit/delete/validate |
---|
[3445] | 1404 | * @return bool |
---|
| 1405 | */ |
---|
[3622] | 1406 | function can_manage_comment($action, $comment_author_id) |
---|
[3445] | 1407 | { |
---|
[5195] | 1408 | global $user, $conf; |
---|
[13074] | 1409 | |
---|
[5195] | 1410 | if (is_a_guest()) |
---|
| 1411 | { |
---|
[3445] | 1412 | return false; |
---|
| 1413 | } |
---|
[13074] | 1414 | |
---|
[5195] | 1415 | if (!in_array($action, array('delete','edit', 'validate'))) |
---|
| 1416 | { |
---|
| 1417 | return false; |
---|
| 1418 | } |
---|
| 1419 | |
---|
| 1420 | if (is_admin()) |
---|
| 1421 | { |
---|
| 1422 | return true; |
---|
| 1423 | } |
---|
| 1424 | |
---|
| 1425 | if ('edit' == $action and $conf['user_can_edit_comment']) |
---|
| 1426 | { |
---|
| 1427 | if ($comment_author_id == $user['id']) { |
---|
| 1428 | return true; |
---|
| 1429 | } |
---|
| 1430 | } |
---|
| 1431 | |
---|
| 1432 | if ('delete' == $action and $conf['user_can_delete_comment']) |
---|
| 1433 | { |
---|
| 1434 | if ($comment_author_id == $user['id']) { |
---|
| 1435 | return true; |
---|
| 1436 | } |
---|
| 1437 | } |
---|
| 1438 | |
---|
| 1439 | return false; |
---|
[3445] | 1440 | } |
---|
| 1441 | |
---|
| 1442 | /* |
---|
[1458] | 1443 | * Return mail address as display text |
---|
| 1444 | * @return string |
---|
| 1445 | */ |
---|
| 1446 | function get_email_address_as_display_text($email_address) |
---|
| 1447 | { |
---|
| 1448 | global $conf; |
---|
| 1449 | |
---|
[1462] | 1450 | if (!isset($email_address) or (trim($email_address) == '')) |
---|
[1458] | 1451 | { |
---|
[1462] | 1452 | return ''; |
---|
[1458] | 1453 | } |
---|
| 1454 | else |
---|
| 1455 | { |
---|
[8126] | 1456 | return $email_address; |
---|
[1458] | 1457 | } |
---|
| 1458 | } |
---|
| 1459 | |
---|
[1677] | 1460 | /* |
---|
[1817] | 1461 | * Compute sql where condition with restrict and filter data. "FandF" means |
---|
| 1462 | * Forbidden and Filters. |
---|
[1677] | 1463 | * |
---|
[1817] | 1464 | * @param array condition_fields: read function body |
---|
| 1465 | * @param string prefix_condition: prefixes sql if condition is not empty |
---|
| 1466 | * @param boolean force_one_condition: use at least "1 = 1" |
---|
[1677] | 1467 | * |
---|
| 1468 | * @return string sql where/conditions |
---|
| 1469 | */ |
---|
[1817] | 1470 | function get_sql_condition_FandF( |
---|
| 1471 | $condition_fields, |
---|
| 1472 | $prefix_condition = null, |
---|
| 1473 | $force_one_condition = false |
---|
| 1474 | ) |
---|
[1677] | 1475 | { |
---|
| 1476 | global $user, $filter; |
---|
| 1477 | |
---|
| 1478 | $sql_list = array(); |
---|
| 1479 | |
---|
| 1480 | foreach ($condition_fields as $condition => $field_name) |
---|
| 1481 | { |
---|
| 1482 | switch($condition) |
---|
| 1483 | { |
---|
| 1484 | case 'forbidden_categories': |
---|
[1817] | 1485 | { |
---|
[1677] | 1486 | if (!empty($user['forbidden_categories'])) |
---|
| 1487 | { |
---|
[1817] | 1488 | $sql_list[] = |
---|
| 1489 | $field_name.' NOT IN ('.$user['forbidden_categories'].')'; |
---|
[1677] | 1490 | } |
---|
| 1491 | break; |
---|
[1817] | 1492 | } |
---|
[1677] | 1493 | case 'visible_categories': |
---|
[1817] | 1494 | { |
---|
[1677] | 1495 | if (!empty($filter['visible_categories'])) |
---|
| 1496 | { |
---|
[1817] | 1497 | $sql_list[] = |
---|
| 1498 | $field_name.' IN ('.$filter['visible_categories'].')'; |
---|
[1677] | 1499 | } |
---|
| 1500 | break; |
---|
[1817] | 1501 | } |
---|
[1677] | 1502 | case 'visible_images': |
---|
| 1503 | if (!empty($filter['visible_images'])) |
---|
| 1504 | { |
---|
[1817] | 1505 | $sql_list[] = |
---|
| 1506 | $field_name.' IN ('.$filter['visible_images'].')'; |
---|
[1677] | 1507 | } |
---|
[2084] | 1508 | // note there is no break - visible include forbidden |
---|
| 1509 | case 'forbidden_images': |
---|
| 1510 | if ( |
---|
| 1511 | !empty($user['image_access_list']) |
---|
| 1512 | or $user['image_access_type']!='NOT IN' |
---|
| 1513 | ) |
---|
| 1514 | { |
---|
| 1515 | $table_prefix=null; |
---|
| 1516 | if ($field_name=='id') |
---|
| 1517 | { |
---|
| 1518 | $table_prefix = ''; |
---|
| 1519 | } |
---|
| 1520 | elseif ($field_name=='i.id') |
---|
| 1521 | { |
---|
| 1522 | $table_prefix = 'i.'; |
---|
| 1523 | } |
---|
| 1524 | if ( isset($table_prefix) ) |
---|
| 1525 | { |
---|
| 1526 | $sql_list[]=$table_prefix.'level<='.$user['level']; |
---|
| 1527 | } |
---|
[21801] | 1528 | elseif ( !empty($user['image_access_list']) and !empty($user['image_access_type']) ) |
---|
[2084] | 1529 | { |
---|
| 1530 | $sql_list[]=$field_name.' '.$user['image_access_type'] |
---|
| 1531 | .' ('.$user['image_access_list'].')'; |
---|
| 1532 | } |
---|
| 1533 | } |
---|
[1677] | 1534 | break; |
---|
| 1535 | default: |
---|
[1817] | 1536 | { |
---|
[1677] | 1537 | die('Unknow condition'); |
---|
| 1538 | break; |
---|
[1817] | 1539 | } |
---|
[1677] | 1540 | } |
---|
| 1541 | } |
---|
| 1542 | |
---|
| 1543 | if (count($sql_list) > 0) |
---|
| 1544 | { |
---|
| 1545 | $sql = '('.implode(' AND ', $sql_list).')'; |
---|
| 1546 | } |
---|
| 1547 | else |
---|
| 1548 | { |
---|
[2824] | 1549 | $sql = $force_one_condition ? '1 = 1' : ''; |
---|
[1677] | 1550 | } |
---|
| 1551 | |
---|
| 1552 | if (isset($prefix_condition) and !empty($sql)) |
---|
| 1553 | { |
---|
| 1554 | $sql = $prefix_condition.' '.$sql; |
---|
| 1555 | } |
---|
| 1556 | |
---|
| 1557 | return $sql; |
---|
| 1558 | } |
---|
| 1559 | |
---|
[21802] | 1560 | /** @return the sql condition to show recent photos/albums based on user preferences and latest available photo.*/ |
---|
| 1561 | function get_recent_photos_sql($db_field) |
---|
| 1562 | { |
---|
| 1563 | global $user; |
---|
| 1564 | if (!isset($user['last_photo_date'])) |
---|
| 1565 | { |
---|
| 1566 | return '0=1'; |
---|
| 1567 | } |
---|
| 1568 | return $db_field.'>=LEAST(' |
---|
| 1569 | .pwg_db_get_recent_period_expression($user['recent_period']) |
---|
| 1570 | .','.pwg_db_get_recent_period_expression(1,$user['last_photo_date']).')'; |
---|
| 1571 | } |
---|
| 1572 | |
---|
[11992] | 1573 | /** |
---|
| 1574 | * search an available activation_key |
---|
| 1575 | * |
---|
| 1576 | * @return string |
---|
| 1577 | */ |
---|
| 1578 | function get_user_activation_key() |
---|
| 1579 | { |
---|
| 1580 | while (true) |
---|
| 1581 | { |
---|
| 1582 | $key = generate_key(20); |
---|
| 1583 | $query = ' |
---|
| 1584 | SELECT COUNT(*) |
---|
| 1585 | FROM '.USER_INFOS_TABLE.' |
---|
| 1586 | WHERE activation_key = \''.$key.'\' |
---|
| 1587 | ;'; |
---|
| 1588 | list($count) = pwg_db_fetch_row(pwg_query($query)); |
---|
| 1589 | if (0 == $count) |
---|
| 1590 | { |
---|
| 1591 | return $key; |
---|
| 1592 | } |
---|
| 1593 | } |
---|
| 1594 | } |
---|
| 1595 | |
---|
[12339] | 1596 | ?> |
---|