| 1 | <?php |
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| 2 | /*************************************************************************** |
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| 3 | * user.inc.php * |
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| 4 | * ------------------ * |
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| 5 | * application : PhpWebGallery 1.3 <http://phpwebgallery.net> * |
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| 6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
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| 7 | * * |
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| 8 | * $Id: user.inc.php 297 2004-01-18 22:06:34Z z0rglub $ |
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| 9 | * * |
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| 10 | *************************************************************************** |
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| 11 | |
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| 12 | *************************************************************************** |
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| 13 | * * |
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| 14 | * This program is free software; you can redistribute it and/or modify * |
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| 15 | * it under the terms of the GNU General Public License as published by * |
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| 16 | * the Free Software Foundation; * |
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| 17 | * * |
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| 18 | ***************************************************************************/ |
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| 19 | |
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| 20 | // retrieving user informations |
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| 21 | // $infos array is used to know the fields to retrieve in the table "users" |
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| 22 | // Each field becomes an information of the array $user. |
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| 23 | // Example : |
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| 24 | // status --> $user['status'] |
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| 25 | $infos = array( 'id', 'username', 'mail_address', 'nb_image_line', |
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| 26 | 'nb_line_page', 'status', 'language', 'maxwidth', |
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| 27 | 'maxheight', 'expand', 'show_nb_comments', 'short_period', |
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| 28 | 'long_period', 'template', 'forbidden_categories' ); |
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| 29 | |
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| 30 | $query_user = 'SELECT '.implode( ',', $infos ); |
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| 31 | $query_user.= ' FROM '.PREFIX_TABLE.'users'; |
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| 32 | $query_done = false; |
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| 33 | $user['is_the_guest'] = false; |
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| 34 | |
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| 35 | // cookie deletion if administrator don't authorize them anymore |
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| 36 | if ( !$conf['authorize_cookies'] and isset( $_COOKIE['id'] ) ) |
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| 37 | { |
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| 38 | setcookie( 'id', '', 0, cookie_path() ); |
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| 39 | $url = 'category.php'; |
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| 40 | header( 'Request-URI: '.$url ); |
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| 41 | header( 'Content-Location: '.$url ); |
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| 42 | header( 'Location: '.$url ); |
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| 43 | exit(); |
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| 44 | } |
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| 45 | |
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| 46 | $user['has_cookie'] = false; |
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| 47 | if ( isset( $_GET['id'] ) ) $session_id = $_GET['id']; |
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| 48 | elseif ( isset( $_COOKIE['id'] ) ) |
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| 49 | { |
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| 50 | $session_id = $_COOKIE['id']; |
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| 51 | $user['has_cookie'] = true; |
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| 52 | } |
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| 53 | |
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| 54 | if ( isset( $session_id ) |
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| 55 | and ereg( "^[0-9a-zA-Z]{".$conf['session_id_size']."}$", $session_id ) ) |
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| 56 | { |
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| 57 | $page['session_id'] = $session_id; |
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| 58 | $query = 'SELECT user_id,expiration,ip'; |
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| 59 | $query.= ' FROM '.PREFIX_TABLE.'sessions'; |
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| 60 | $query.= " WHERE id = '".$page['session_id']."'"; |
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| 61 | $query.= ';'; |
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| 62 | $result = mysql_query( $query ); |
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| 63 | if ( mysql_num_rows( $result ) > 0 ) |
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| 64 | { |
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| 65 | $row = mysql_fetch_array( $result ); |
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| 66 | if ( !$user['has_cookie'] ) |
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| 67 | { |
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| 68 | if ( $row['expiration'] < time() ) |
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| 69 | { |
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| 70 | // deletion of the session from the database, |
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| 71 | // because it is out-of-date |
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| 72 | $delete_query = 'DELETE FROM '.PREFIX_TABLE.'sessions'; |
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| 73 | $delete_query.= " WHERE id = '".$page['session_id']."'"; |
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| 74 | $delete_query.= ';'; |
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| 75 | mysql_query( $delete_query ); |
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| 76 | } |
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| 77 | else if ( $_SERVER['REMOTE_ADDR'] == $row['ip'] ) |
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| 78 | { |
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| 79 | $query_user .= ' WHERE id = '.$row['user_id']; |
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| 80 | $query_done = true; |
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| 81 | } |
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| 82 | } |
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| 83 | else |
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| 84 | { |
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| 85 | $query_user .= ' WHERE id = '.$row['user_id']; |
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| 86 | $query_done = true; |
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| 87 | } |
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| 88 | } |
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| 89 | } |
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| 90 | if ( !$query_done ) |
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| 91 | { |
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| 92 | $query_user .= ' WHERE id = 2'; |
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| 93 | $user['is_the_guest'] = true; |
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| 94 | } |
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| 95 | $query_user .= ';'; |
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| 96 | $row = mysql_fetch_array( mysql_query( $query_user ) ); |
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| 97 | |
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| 98 | // affectation of each value retrieved in the users table into a variable |
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| 99 | // of the array $user. |
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| 100 | foreach ( $infos as $info ) { |
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| 101 | if ( isset( $row[$info] ) ) |
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| 102 | { |
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| 103 | // If the field is true or false, the variable is transformed into a |
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| 104 | // boolean value. |
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| 105 | if ( $row[$info] == 'true' or $row[$info] == 'false' ) |
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| 106 | $user[$info] = get_boolean( $row[$info] ); |
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| 107 | else |
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| 108 | $user[$info] = $row[$info]; |
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| 109 | } |
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| 110 | else |
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| 111 | { |
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| 112 | $user[$info] = ''; |
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| 113 | } |
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| 114 | } |
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| 115 | |
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| 116 | // special for $user['restrictions'] array |
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| 117 | $user['restrictions'] = explode( ',', $user['forbidden_categories'] ); |
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| 118 | if ( $user['restrictions'][0] == '' ) $user['restrictions'] = array(); |
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| 119 | ?> |
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