1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | PhpWebGallery - a PHP based picture gallery | |
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4 | // | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | |
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5 | // | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net | |
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6 | // +-----------------------------------------------------------------------+ |
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7 | // | branch : BSF (Best So Far) |
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8 | // | file : $RCSfile$ |
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9 | // | last update : $Date: 2006-01-15 13:45:42 +0000 (Sun, 15 Jan 2006) $ |
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10 | // | last modifier : $Author: nikrou $ |
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11 | // | revision : $Revision: 1004 $ |
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12 | // +-----------------------------------------------------------------------+ |
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13 | // | This program is free software; you can redistribute it and/or modify | |
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14 | // | it under the terms of the GNU General Public License as published by | |
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15 | // | the Free Software Foundation | |
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16 | // | | |
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17 | // | This program is distributed in the hope that it will be useful, but | |
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18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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20 | // | General Public License for more details. | |
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21 | // | | |
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22 | // | You should have received a copy of the GNU General Public License | |
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23 | // | along with this program; if not, write to the Free Software | |
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24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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25 | // | USA. | |
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26 | // +-----------------------------------------------------------------------+ |
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27 | |
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28 | if (isset($conf['session_save_handler']) and ($conf['session_save_handler'] == 'db')) { |
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29 | session_set_save_handler('pwg_session_open', |
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30 | 'pwg_session_close', |
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31 | 'pwg_session_read', |
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32 | 'pwg_session_write', |
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33 | 'pwg_session_destroy', |
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34 | 'pwg_session_gc' |
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35 | ); |
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36 | } |
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37 | |
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38 | ini_set('session.use_cookies', $conf['session_use_cookies']); |
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39 | ini_set('session.use_only_cookies', $conf['session_use_only_cookies']); |
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40 | ini_set('session.use_trans_sid', $conf['session_use_trans_sid']); |
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41 | ini_set('session.name', $conf['session_name']); |
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42 | |
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43 | function pwg_session_open($path, $name) |
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44 | { |
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45 | return true; |
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46 | } |
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47 | |
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48 | function pwg_session_close() |
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49 | { |
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50 | pwg_session_gc(); |
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51 | return true; |
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52 | } |
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53 | |
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54 | function pwg_session_read($session_id) |
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55 | { |
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56 | $query = "SELECT data FROM " . SESSIONS_TABLE; |
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57 | $query .= " WHERE id = '$session_id'"; |
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58 | $result = pwg_query($query); |
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59 | if ($result) { |
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60 | $row = mysql_fetch_assoc($result); |
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61 | return $row['data']; |
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62 | } else { |
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63 | return ''; |
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64 | } |
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65 | } |
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66 | |
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67 | function pwg_session_write($session_id, $data) |
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68 | { |
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69 | $query = "SELECT id FROM " . SESSIONS_TABLE; |
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70 | $query .= " WHERE id = '$session_id'"; |
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71 | $result = pwg_query($query); |
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72 | if (mysql_num_rows($result)) { |
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73 | $query = "UPDATE " . SESSIONS_TABLE . " SET expiration = now()"; |
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74 | $query .= " WHERE id = '$session_id'"; |
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75 | pwg_query($query); |
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76 | } else { |
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77 | $query = "INSERT INTO " . SESSIONS_TABLE . " (id,data,expiration)"; |
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78 | $query .= " VALUES('$session_id','$data',now())"; |
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79 | pwg_query($query); |
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80 | } |
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81 | return true; |
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82 | } |
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83 | |
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84 | function pwg_session_destroy($session_id) |
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85 | { |
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86 | $query = "DELETE FROM " . SESSIONS_TABLE; |
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87 | $query .= " WHERE id = '$session_id'"; |
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88 | pwg_query($query); |
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89 | return true; |
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90 | } |
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91 | |
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92 | function pwg_session_gc() |
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93 | { |
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94 | global $conf; |
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95 | |
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96 | $query = "DELETE FROM " . SESSIONS_TABLE; |
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97 | $query .= " WHERE UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(expiration) > " . $conf['session_length']; |
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98 | pwg_query($query); |
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99 | return true; |
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100 | } |
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101 | ?> |
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