1 | <?php
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2 |
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3 |
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4 | /*
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5 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
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6 | Contributed by Ross Smith (adodb@netebb.com).
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7 | Released under both BSD license and Lesser GPL library license.
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8 | Whenever there is any discrepancy between the two licenses,
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9 | the BSD license will take precedence.
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10 | Set tabs to 4 for best viewing.
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11 |
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12 |
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13 | */
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14 |
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15 | /*
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16 |
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17 | CREATE Table SCripts
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18 |
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19 | Oracle
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20 | ======
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21 |
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22 | CREATE TABLE SESSIONS2
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23 | (
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24 | SESSKEY VARCHAR2(48 BYTE) NOT NULL,
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25 | EXPIRY DATE NOT NULL,
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26 | EXPIREREF VARCHAR2(200 BYTE),
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27 | CREATED DATE NOT NULL,
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28 | MODIFIED DATE NOT NULL,
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29 | SESSDATA CLOB,
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30 | PRIMARY KEY(SESSKEY)
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31 | );
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32 |
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33 |
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34 | CREATE INDEX SESS2_EXPIRY ON SESSIONS2(EXPIRY);
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35 | CREATE UNIQUE INDEX SESS2_PK ON SESSIONS2(SESSKEY);
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36 | CREATE INDEX SESS2_EXP_REF ON SESSIONS2(EXPIREREF);
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37 |
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38 |
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39 |
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40 | MySQL
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41 | =====
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42 |
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43 | CREATE TABLE sessions2(
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44 | sesskey VARCHAR( 64 ) NOT NULL DEFAULT '',
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45 | expiry TIMESTAMP NOT NULL ,
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46 | expireref VARCHAR( 250 ) DEFAULT '',
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47 | created TIMESTAMP NOT NULL ,
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48 | modified TIMESTAMP NOT NULL ,
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49 | sessdata LONGTEXT DEFAULT '',
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50 | PRIMARY KEY ( sesskey ) ,
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51 | INDEX sess2_expiry( expiry ),
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52 | INDEX sess2_expireref( expireref )
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53 | )
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54 |
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55 |
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56 | */
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57 |
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58 | if (!defined('_ADODB_LAYER')) {
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59 | require realpath(dirname(__FILE__) . '/../adodb.inc.php');
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60 | }
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61 |
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62 | if (defined('ADODB_SESSION')) return 1;
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63 |
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64 | define('ADODB_SESSION', dirname(__FILE__));
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65 | define('ADODB_SESSION2', ADODB_SESSION);
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66 |
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67 | /*
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68 | Unserialize session data manually. See http://phplens.com/lens/lensforum/msgs.php?id=9821
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69 |
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70 | From Kerr Schere, to unserialize session data stored via ADOdb.
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71 | 1. Pull the session data from the db and loop through it.
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72 | 2. Inside the loop, you will need to urldecode the data column.
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73 | 3. After urldecode, run the serialized string through this function:
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74 |
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75 | */
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76 | function adodb_unserialize( $serialized_string )
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77 | {
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78 | $variables = array( );
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79 | $a = preg_split( "/(\w+)\|/", $serialized_string, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE );
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80 | for( $i = 0; $i < count( $a ); $i = $i+2 ) {
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81 | $variables[$a[$i]] = unserialize( $a[$i+1] );
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82 | }
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83 | return( $variables );
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84 | }
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85 |
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86 | /*
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87 | Thanks Joe Li. See http://phplens.com/lens/lensforum/msgs.php?id=11487&x=1
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88 | Since adodb 4.61.
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89 | */
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90 | function adodb_session_regenerate_id()
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91 | {
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92 | $conn =& ADODB_Session::_conn();
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93 | if (!$conn) return false;
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94 |
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95 | $old_id = session_id();
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96 | if (function_exists('session_regenerate_id')) {
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97 | session_regenerate_id();
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98 | } else {
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99 | session_id(md5(uniqid(rand(), true)));
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100 | $ck = session_get_cookie_params();
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101 | setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']);
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102 | //@session_start();
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103 | }
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104 | $new_id = session_id();
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105 | $ok =& $conn->Execute('UPDATE '. ADODB_Session::table(). ' SET sesskey='. $conn->qstr($new_id). ' WHERE sesskey='.$conn->qstr($old_id));
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106 |
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107 | /* it is possible that the update statement fails due to a collision */
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108 | if (!$ok) {
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109 | session_id($old_id);
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110 | if (empty($ck)) $ck = session_get_cookie_params();
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111 | setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']);
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112 | return false;
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113 | }
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114 |
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115 | return true;
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116 | }
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117 |
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118 | /*
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119 | Generate database table for session data
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120 | @see http://phplens.com/lens/lensforum/msgs.php?id=12280
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121 | @return 0 if failure, 1 if errors, 2 if successful.
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122 | @author Markus Staab http://www.public-4u.de
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123 | */
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124 | function adodb_session_create_table($schemaFile=null,$conn = null)
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125 | {
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126 | // set default values
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127 | if ($schemaFile===null) $schemaFile = ADODB_SESSION . '/session_schema2.xml';
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128 | if ($conn===null) $conn =& ADODB_Session::_conn();
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129 |
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130 | if (!$conn) return 0;
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131 |
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132 | $schema = new adoSchema($conn);
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133 | $schema->ParseSchema($schemaFile);
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134 | return $schema->ExecuteSchema();
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135 | }
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136 |
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137 | /*!
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138 | \static
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139 | */
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140 | class ADODB_Session {
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141 | /////////////////////
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142 | // getter/setter methods
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143 | /////////////////////
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144 |
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145 | /*
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146 |
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147 | function Lock($lock=null)
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148 | {
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149 | static $_lock = false;
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150 |
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151 | if (!is_null($lock)) $_lock = $lock;
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152 | return $lock;
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153 | }
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154 | */
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155 | /*!
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156 | */
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157 | function driver($driver = null)
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158 | {
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159 | static $_driver = 'mysql';
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160 | static $set = false;
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161 |
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162 | if (!is_null($driver)) {
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163 | $_driver = trim($driver);
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164 | $set = true;
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165 | } elseif (!$set) {
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166 | // backwards compatibility
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167 | if (isset($GLOBALS['ADODB_SESSION_DRIVER'])) {
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168 | return $GLOBALS['ADODB_SESSION_DRIVER'];
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169 | }
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170 | }
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171 |
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172 | return $_driver;
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173 | }
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174 |
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175 | /*!
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176 | */
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177 | function host($host = null) {
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178 | static $_host = 'localhost';
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179 | static $set = false;
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180 |
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181 | if (!is_null($host)) {
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182 | $_host = trim($host);
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183 | $set = true;
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184 | } elseif (!$set) {
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185 | // backwards compatibility
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186 | if (isset($GLOBALS['ADODB_SESSION_CONNECT'])) {
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187 | return $GLOBALS['ADODB_SESSION_CONNECT'];
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188 | }
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189 | }
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190 |
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191 | return $_host;
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192 | }
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193 |
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194 | /*!
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195 | */
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196 | function user($user = null)
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197 | {
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198 | static $_user = 'root';
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199 | static $set = false;
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200 |
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201 | if (!is_null($user)) {
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202 | $_user = trim($user);
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203 | $set = true;
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204 | } elseif (!$set) {
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205 | // backwards compatibility
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206 | if (isset($GLOBALS['ADODB_SESSION_USER'])) {
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207 | return $GLOBALS['ADODB_SESSION_USER'];
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208 | }
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209 | }
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210 |
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211 | return $_user;
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212 | }
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213 |
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214 | /*!
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215 | */
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216 | function password($password = null)
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217 | {
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218 | static $_password = '';
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219 | static $set = false;
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220 |
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221 | if (!is_null($password)) {
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222 | $_password = $password;
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223 | $set = true;
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224 | } elseif (!$set) {
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225 | // backwards compatibility
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226 | if (isset($GLOBALS['ADODB_SESSION_PWD'])) {
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227 | return $GLOBALS['ADODB_SESSION_PWD'];
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228 | }
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229 | }
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230 |
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231 | return $_password;
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232 | }
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233 |
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234 | /*!
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235 | */
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236 | function database($database = null)
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237 | {
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238 | static $_database = '';
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239 | static $set = false;
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240 |
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241 | if (!is_null($database)) {
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242 | $_database = trim($database);
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243 | $set = true;
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244 | } elseif (!$set) {
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245 | // backwards compatibility
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246 | if (isset($GLOBALS['ADODB_SESSION_DB'])) {
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247 | return $GLOBALS['ADODB_SESSION_DB'];
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248 | }
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249 | }
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250 | return $_database;
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251 | }
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252 |
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253 | /*!
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254 | */
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255 | function persist($persist = null)
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256 | {
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257 | static $_persist = true;
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258 |
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259 | if (!is_null($persist)) {
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260 | $_persist = trim($persist);
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261 | }
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262 |
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263 | return $_persist;
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264 | }
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265 |
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266 | /*!
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267 | */
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268 | function lifetime($lifetime = null)
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269 | {
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270 | static $_lifetime;
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271 | static $set = false;
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272 |
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273 | if (!is_null($lifetime)) {
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274 | $_lifetime = (int) $lifetime;
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275 | $set = true;
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276 | } elseif (!$set) {
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277 | // backwards compatibility
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278 | if (isset($GLOBALS['ADODB_SESS_LIFE'])) {
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279 | return $GLOBALS['ADODB_SESS_LIFE'];
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280 | }
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281 | }
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282 | if (!$_lifetime) {
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283 | $_lifetime = ini_get('session.gc_maxlifetime');
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284 | if ($_lifetime <= 1) {
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285 | // bug in PHP 4.0.3 pl 1 -- how about other versions?
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286 | //print "<h3>Session Error: PHP.INI setting <i>session.gc_maxlifetime</i>not set: $lifetime</h3>";
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287 | $_lifetime = 1440;
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288 | }
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289 | }
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290 |
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291 | return $_lifetime;
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292 | }
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293 |
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294 | /*!
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295 | */
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296 | function debug($debug = null)
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297 | {
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298 | static $_debug = false;
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299 | static $set = false;
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300 |
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301 | if (!is_null($debug)) {
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302 | $_debug = (bool) $debug;
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303 |
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304 | $conn = ADODB_Session::_conn();
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305 | if ($conn) {
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306 | $conn->debug = $_debug;
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307 | }
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308 | $set = true;
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309 | } elseif (!$set) {
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310 | // backwards compatibility
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311 | if (isset($GLOBALS['ADODB_SESS_DEBUG'])) {
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312 | return $GLOBALS['ADODB_SESS_DEBUG'];
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313 | }
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314 | }
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315 |
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316 | return $_debug;
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317 | }
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318 |
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319 | /*!
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320 | */
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321 | function expireNotify($expire_notify = null)
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322 | {
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323 | static $_expire_notify;
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324 | static $set = false;
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325 |
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326 | if (!is_null($expire_notify)) {
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327 | $_expire_notify = $expire_notify;
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328 | $set = true;
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329 | } elseif (!$set) {
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330 | // backwards compatibility
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331 | if (isset($GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'])) {
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332 | return $GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'];
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333 | }
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334 | }
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335 |
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336 | return $_expire_notify;
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337 | }
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338 |
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339 | /*!
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340 | */
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341 | function table($table = null)
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342 | {
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343 | static $_table = 'sessions2';
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344 | static $set = false;
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345 |
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346 | if (!is_null($table)) {
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347 | $_table = trim($table);
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348 | $set = true;
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349 | } elseif (!$set) {
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350 | // backwards compatibility
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351 | if (isset($GLOBALS['ADODB_SESSION_TBL'])) {
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352 | return $GLOBALS['ADODB_SESSION_TBL'];
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353 | }
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354 | }
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355 |
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356 | return $_table;
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357 | }
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358 |
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359 | /*!
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360 | */
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361 | function optimize($optimize = null)
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362 | {
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363 | static $_optimize = false;
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364 | static $set = false;
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365 |
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366 | if (!is_null($optimize)) {
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367 | $_optimize = (bool) $optimize;
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368 | $set = true;
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369 | } elseif (!$set) {
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370 | // backwards compatibility
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371 | if (defined('ADODB_SESSION_OPTIMIZE')) {
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372 | return true;
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373 | }
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374 | }
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375 |
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376 | return $_optimize;
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377 | }
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378 |
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379 | /*!
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380 | */
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381 | function syncSeconds($sync_seconds = null) {
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382 | //echo ("<p>WARNING: ADODB_SESSION::syncSeconds is longer used, please remove this function for your code</p>");
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383 |
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384 | return 0;
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385 | }
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386 |
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387 | /*!
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388 | */
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389 | function clob($clob = null) {
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390 | static $_clob = false;
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391 | static $set = false;
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392 |
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393 | if (!is_null($clob)) {
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394 | $_clob = strtolower(trim($clob));
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395 | $set = true;
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396 | } elseif (!$set) {
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397 | // backwards compatibility
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398 | if (isset($GLOBALS['ADODB_SESSION_USE_LOBS'])) {
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399 | return $GLOBALS['ADODB_SESSION_USE_LOBS'];
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400 | }
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401 | }
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402 |
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403 | return $_clob;
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404 | }
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405 |
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406 | /*!
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407 | */
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408 | function dataFieldName($data_field_name = null) {
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409 | //echo ("<p>WARNING: ADODB_SESSION::dataFieldName() is longer used, please remove this function for your code</p>");
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410 | return '';
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411 | }
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412 |
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413 | /*!
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414 | */
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415 | function filter($filter = null) {
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416 | static $_filter = array();
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417 |
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418 | if (!is_null($filter)) {
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419 | if (!is_array($filter)) {
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420 | $filter = array($filter);
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421 | }
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422 | $_filter = $filter;
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423 | }
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424 |
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425 | return $_filter;
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426 | }
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427 |
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428 | /*!
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429 | */
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430 | function encryptionKey($encryption_key = null) {
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431 | static $_encryption_key = 'CRYPTED ADODB SESSIONS ROCK!';
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432 |
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433 | if (!is_null($encryption_key)) {
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434 | $_encryption_key = $encryption_key;
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435 | }
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436 |
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437 | return $_encryption_key;
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438 | }
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439 |
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440 | /////////////////////
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441 | // private methods
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442 | /////////////////////
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443 |
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444 | /*!
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445 | */
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446 | function &_conn($conn=null) {
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447 | return $GLOBALS['ADODB_SESS_CONN'];
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448 | }
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449 |
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450 | /*!
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451 | */
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452 | function _crc($crc = null) {
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453 | static $_crc = false;
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454 |
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455 | if (!is_null($crc)) {
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456 | $_crc = $crc;
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457 | }
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458 |
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459 | return $_crc;
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460 | }
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461 |
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462 | /*!
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463 | */
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464 | function _init() {
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465 | session_module_name('user');
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466 | session_set_save_handler(
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467 | array('ADODB_Session', 'open'),
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468 | array('ADODB_Session', 'close'),
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469 | array('ADODB_Session', 'read'),
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470 | array('ADODB_Session', 'write'),
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471 | array('ADODB_Session', 'destroy'),
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472 | array('ADODB_Session', 'gc')
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473 | );
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474 | }
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475 |
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476 |
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477 | /*!
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478 | */
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479 | function _sessionKey() {
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480 | // use this function to create the encryption key for crypted sessions
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481 | // crypt the used key, ADODB_Session::encryptionKey() as key and session_id() as salt
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482 | return crypt(ADODB_Session::encryptionKey(), session_id());
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483 | }
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484 |
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485 | /*!
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486 | */
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487 | function _dumprs($rs) {
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488 | $conn =& ADODB_Session::_conn();
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489 | $debug = ADODB_Session::debug();
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490 |
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491 | if (!$conn) {
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492 | return;
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493 | }
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494 |
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495 | if (!$debug) {
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496 | return;
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497 | }
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498 |
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499 | if (!$rs) {
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500 | echo "<br />\$rs is null or false<br />\n";
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501 | return;
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502 | }
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503 |
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504 | //echo "<br />\nAffected_Rows=",$conn->Affected_Rows(),"<br />\n";
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505 |
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506 | if (!is_object($rs)) {
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507 | return;
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508 | }
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509 |
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510 | require_once ADODB_SESSION.'/../tohtml.inc.php';
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511 | rs2html($rs);
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512 | }
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513 |
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514 | /////////////////////
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515 | // public methods
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516 | /////////////////////
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517 |
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518 | function config($driver, $host, $user, $password, $database=false,$options=false)
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519 | {
|
---|
520 | ADODB_Session::driver($driver);
|
---|
521 | ADODB_Session::host($host);
|
---|
522 | ADODB_Session::user($user);
|
---|
523 | ADODB_Session::password($password);
|
---|
524 | ADODB_Session::database($database);
|
---|
525 |
|
---|
526 | if ($driver == 'oci8' || $driver == 'oci8po') $options['lob'] = 'CLOB';
|
---|
527 |
|
---|
528 | if (isset($options['table'])) ADODB_Session::table($options['table']);
|
---|
529 | if (isset($options['lob'])) ADODB_Session::clob($options['lob']);
|
---|
530 | if (isset($options['debug'])) ADODB_Session::debug($options['debug']);
|
---|
531 | }
|
---|
532 |
|
---|
533 | /*!
|
---|
534 | Create the connection to the database.
|
---|
535 |
|
---|
536 | If $conn already exists, reuse that connection
|
---|
537 | */
|
---|
538 | function open($save_path, $session_name, $persist = null)
|
---|
539 | {
|
---|
540 | $conn =& ADODB_Session::_conn();
|
---|
541 |
|
---|
542 | if ($conn) {
|
---|
543 | return true;
|
---|
544 | }
|
---|
545 |
|
---|
546 | $database = ADODB_Session::database();
|
---|
547 | $debug = ADODB_Session::debug();
|
---|
548 | $driver = ADODB_Session::driver();
|
---|
549 | $host = ADODB_Session::host();
|
---|
550 | $password = ADODB_Session::password();
|
---|
551 | $user = ADODB_Session::user();
|
---|
552 |
|
---|
553 | if (!is_null($persist)) {
|
---|
554 | ADODB_Session::persist($persist);
|
---|
555 | } else {
|
---|
556 | $persist = ADODB_Session::persist();
|
---|
557 | }
|
---|
558 |
|
---|
559 | # these can all be defaulted to in php.ini
|
---|
560 | # assert('$database');
|
---|
561 | # assert('$driver');
|
---|
562 | # assert('$host');
|
---|
563 |
|
---|
564 | $conn =& ADONewConnection($driver);
|
---|
565 |
|
---|
566 | if ($debug) {
|
---|
567 | $conn->debug = true;
|
---|
568 | ADOConnection::outp( " driver=$driver user=$user db=$database ");
|
---|
569 | }
|
---|
570 |
|
---|
571 | if ($persist) {
|
---|
572 | switch($persist) {
|
---|
573 | default:
|
---|
574 | case 'P': $ok = $conn->PConnect($host, $user, $password, $database); break;
|
---|
575 | case 'C': $ok = $conn->Connect($host, $user, $password, $database); break;
|
---|
576 | case 'N': $ok = $conn->NConnect($host, $user, $password, $database); break;
|
---|
577 | }
|
---|
578 | } else {
|
---|
579 | $ok = $conn->Connect($host, $user, $password, $database);
|
---|
580 | }
|
---|
581 |
|
---|
582 | if ($ok) $GLOBALS['ADODB_SESS_CONN'] =& $conn;
|
---|
583 | else
|
---|
584 | ADOConnection::outp('<p>Session: connection failed</p>', false);
|
---|
585 |
|
---|
586 |
|
---|
587 | return $ok;
|
---|
588 | }
|
---|
589 |
|
---|
590 | /*!
|
---|
591 | Close the connection
|
---|
592 | */
|
---|
593 | function close()
|
---|
594 | {
|
---|
595 | /*
|
---|
596 | $conn =& ADODB_Session::_conn();
|
---|
597 | if ($conn) $conn->Close();
|
---|
598 | */
|
---|
599 | return true;
|
---|
600 | }
|
---|
601 |
|
---|
602 | /*
|
---|
603 | Slurp in the session variables and return the serialized string
|
---|
604 | */
|
---|
605 | function read($key)
|
---|
606 | {
|
---|
607 | $conn =& ADODB_Session::_conn();
|
---|
608 | $filter = ADODB_Session::filter();
|
---|
609 | $table = ADODB_Session::table();
|
---|
610 |
|
---|
611 | if (!$conn) {
|
---|
612 | return '';
|
---|
613 | }
|
---|
614 |
|
---|
615 | //assert('$table');
|
---|
616 |
|
---|
617 | $qkey = $conn->quote($key);
|
---|
618 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
---|
619 |
|
---|
620 | $sql = "SELECT sessdata FROM $table WHERE sesskey = $binary $qkey AND expiry >= " . $conn->sysTimeStamp;
|
---|
621 | /* Lock code does not work as it needs to hold transaction within whole page, and we don't know if
|
---|
622 | developer has commited elsewhere... :(
|
---|
623 | */
|
---|
624 | #if (ADODB_Session::Lock())
|
---|
625 | # $rs =& $conn->RowLock($table, "$binary sesskey = $qkey AND expiry >= " . time(), sessdata);
|
---|
626 | #else
|
---|
627 |
|
---|
628 | $rs =& $conn->Execute($sql);
|
---|
629 | //ADODB_Session::_dumprs($rs);
|
---|
630 | if ($rs) {
|
---|
631 | if ($rs->EOF) {
|
---|
632 | $v = '';
|
---|
633 | } else {
|
---|
634 | $v = reset($rs->fields);
|
---|
635 | $filter = array_reverse($filter);
|
---|
636 | foreach ($filter as $f) {
|
---|
637 | if (is_object($f)) {
|
---|
638 | $v = $f->read($v, ADODB_Session::_sessionKey());
|
---|
639 | }
|
---|
640 | }
|
---|
641 | $v = rawurldecode($v);
|
---|
642 | }
|
---|
643 |
|
---|
644 | $rs->Close();
|
---|
645 |
|
---|
646 | ADODB_Session::_crc(strlen($v) . crc32($v));
|
---|
647 | return $v;
|
---|
648 | }
|
---|
649 |
|
---|
650 | return '';
|
---|
651 | }
|
---|
652 |
|
---|
653 | /*!
|
---|
654 | Write the serialized data to a database.
|
---|
655 |
|
---|
656 | If the data has not been modified since the last read(), we do not write.
|
---|
657 | */
|
---|
658 | function write($key, $val)
|
---|
659 | {
|
---|
660 | global $ADODB_SESSION_READONLY;
|
---|
661 |
|
---|
662 | if (!empty($ADODB_SESSION_READONLY)) return;
|
---|
663 |
|
---|
664 | $clob = ADODB_Session::clob();
|
---|
665 | $conn =& ADODB_Session::_conn();
|
---|
666 | $crc = ADODB_Session::_crc();
|
---|
667 | $debug = ADODB_Session::debug();
|
---|
668 | $driver = ADODB_Session::driver();
|
---|
669 | $expire_notify = ADODB_Session::expireNotify();
|
---|
670 | $filter = ADODB_Session::filter();
|
---|
671 | $lifetime = ADODB_Session::lifetime();
|
---|
672 | $table = ADODB_Session::table();
|
---|
673 |
|
---|
674 | if (!$conn) {
|
---|
675 | return false;
|
---|
676 | }
|
---|
677 |
|
---|
678 | $sysTimeStamp = $conn->sysTimeStamp;
|
---|
679 |
|
---|
680 | //assert('$table');
|
---|
681 |
|
---|
682 | $expiry = $conn->OffsetDate($lifetime/(24*3600),$sysTimeStamp);
|
---|
683 |
|
---|
684 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
---|
685 |
|
---|
686 | // crc32 optimization since adodb 2.1
|
---|
687 | // now we only update expiry date, thx to sebastian thom in adodb 2.32
|
---|
688 | if ($crc !== false && $crc == (strlen($val) . crc32($val))) {
|
---|
689 | if ($debug) {
|
---|
690 | echo '<p>Session: Only updating date - crc32 not changed</p>';
|
---|
691 | }
|
---|
692 |
|
---|
693 | $expirevar = '';
|
---|
694 | if ($expire_notify) {
|
---|
695 | $var = reset($expire_notify);
|
---|
696 | global $$var;
|
---|
697 | if (isset($$var)) {
|
---|
698 | $expirevar = $$var;
|
---|
699 | }
|
---|
700 | }
|
---|
701 |
|
---|
702 |
|
---|
703 | $sql = "UPDATE $table SET expiry = $expiry ,expireref=".$conn->Param('0').", modified = $sysTimeStamp WHERE $binary sesskey = ".$conn->Param('1')." AND expiry >= $sysTimeStamp";
|
---|
704 | $rs =& $conn->Execute($sql,array($expirevar,$key));
|
---|
705 | return true;
|
---|
706 | }
|
---|
707 | $val = rawurlencode($val);
|
---|
708 | foreach ($filter as $f) {
|
---|
709 | if (is_object($f)) {
|
---|
710 | $val = $f->write($val, ADODB_Session::_sessionKey());
|
---|
711 | }
|
---|
712 | }
|
---|
713 |
|
---|
714 | $expireref = '';
|
---|
715 | if ($expire_notify) {
|
---|
716 | $var = reset($expire_notify);
|
---|
717 | global $$var;
|
---|
718 | if (isset($$var)) {
|
---|
719 | $expireref = $$var;
|
---|
720 | }
|
---|
721 | }
|
---|
722 |
|
---|
723 | if (!$clob) { // no lobs, simply use replace()
|
---|
724 | $rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key));
|
---|
725 | if ($rs) $rs->Close();
|
---|
726 |
|
---|
727 | if ($rs && reset($rs->fields) > 0) {
|
---|
728 | $sql = "UPDATE $table SET expiry=$expiry, sessdata=".$conn->Param(0).", expireref= ".$conn->Param(1).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('2');
|
---|
729 |
|
---|
730 | } else {
|
---|
731 | $sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified)
|
---|
732 | VALUES ($expiry,".$conn->Param('0').", ". $conn->Param('1').", ".$conn->Param('2').", $sysTimeStamp, $sysTimeStamp)";
|
---|
733 | }
|
---|
734 |
|
---|
735 |
|
---|
736 | $rs =& $conn->Execute($sql,array($val,$expireref,$key));
|
---|
737 |
|
---|
738 | } else {
|
---|
739 | // what value shall we insert/update for lob row?
|
---|
740 | switch ($driver) {
|
---|
741 | // empty_clob or empty_lob for oracle dbs
|
---|
742 | case 'oracle':
|
---|
743 | case 'oci8':
|
---|
744 | case 'oci8po':
|
---|
745 | case 'oci805':
|
---|
746 | $lob_value = sprintf('empty_%s()', strtolower($clob));
|
---|
747 | break;
|
---|
748 |
|
---|
749 | // null for all other
|
---|
750 | default:
|
---|
751 | $lob_value = 'null';
|
---|
752 | break;
|
---|
753 | }
|
---|
754 |
|
---|
755 | $conn->StartTrans();
|
---|
756 |
|
---|
757 | $rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key));
|
---|
758 | if ($rs) $rs->Close();
|
---|
759 |
|
---|
760 | if ($rs && reset($rs->fields) > 0) {
|
---|
761 | $sql = "UPDATE $table SET expiry=$expiry, sessdata=$lob_value, expireref= ".$conn->Param(0).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('1');
|
---|
762 |
|
---|
763 | } else {
|
---|
764 | $sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified)
|
---|
765 | VALUES ($expiry,$lob_value, ". $conn->Param('0').", ".$conn->Param('1').", $sysTimeStamp, $sysTimeStamp)";
|
---|
766 | }
|
---|
767 |
|
---|
768 | $rs =& $conn->Execute($sql,array($expireref,$key));
|
---|
769 |
|
---|
770 | $qkey = $conn->qstr($key);
|
---|
771 | $rs2 =& $conn->UpdateBlob($table, 'sessdata', $val, " sesskey=$qkey", strtoupper($clob));
|
---|
772 | $rs = @$conn->CompleteTrans();
|
---|
773 |
|
---|
774 |
|
---|
775 | }
|
---|
776 |
|
---|
777 | if (!$rs) {
|
---|
778 | ADOConnection::outp('<p>Session Replace: ' . $conn->ErrorMsg() . '</p>', false);
|
---|
779 | return false;
|
---|
780 | } else {
|
---|
781 | // bug in access driver (could be odbc?) means that info is not committed
|
---|
782 | // properly unless select statement executed in Win2000
|
---|
783 | if ($conn->databaseType == 'access') {
|
---|
784 | $sql = "SELECT sesskey FROM $table WHERE $binary sesskey = $qkey";
|
---|
785 | $rs =& $conn->Execute($sql);
|
---|
786 | ADODB_Session::_dumprs($rs);
|
---|
787 | if ($rs) {
|
---|
788 | $rs->Close();
|
---|
789 | }
|
---|
790 | }
|
---|
791 | }/*
|
---|
792 | if (ADODB_Session::Lock()) {
|
---|
793 | $conn->CommitTrans();
|
---|
794 | }*/
|
---|
795 | return $rs ? true : false;
|
---|
796 | }
|
---|
797 |
|
---|
798 | /*!
|
---|
799 | */
|
---|
800 | function destroy($key) {
|
---|
801 | $conn =& ADODB_Session::_conn();
|
---|
802 | $table = ADODB_Session::table();
|
---|
803 | $expire_notify = ADODB_Session::expireNotify();
|
---|
804 |
|
---|
805 | if (!$conn) {
|
---|
806 | return false;
|
---|
807 | }
|
---|
808 |
|
---|
809 | //assert('$table');
|
---|
810 |
|
---|
811 | $qkey = $conn->quote($key);
|
---|
812 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
---|
813 |
|
---|
814 | if ($expire_notify) {
|
---|
815 | reset($expire_notify);
|
---|
816 | $fn = next($expire_notify);
|
---|
817 | $savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
---|
818 | $sql = "SELECT expireref, sesskey FROM $table WHERE $binary sesskey = $qkey";
|
---|
819 | $rs =& $conn->Execute($sql);
|
---|
820 | ADODB_Session::_dumprs($rs);
|
---|
821 | $conn->SetFetchMode($savem);
|
---|
822 | if (!$rs) {
|
---|
823 | return false;
|
---|
824 | }
|
---|
825 | if (!$rs->EOF) {
|
---|
826 | $ref = $rs->fields[0];
|
---|
827 | $key = $rs->fields[1];
|
---|
828 | //assert('$ref');
|
---|
829 | //assert('$key');
|
---|
830 | $fn($ref, $key);
|
---|
831 | }
|
---|
832 | $rs->Close();
|
---|
833 | }
|
---|
834 |
|
---|
835 | $sql = "DELETE FROM $table WHERE $binary sesskey = $qkey";
|
---|
836 | $rs =& $conn->Execute($sql);
|
---|
837 | ADODB_Session::_dumprs($rs);
|
---|
838 | if ($rs) {
|
---|
839 | $rs->Close();
|
---|
840 | }
|
---|
841 |
|
---|
842 | return $rs ? true : false;
|
---|
843 | }
|
---|
844 |
|
---|
845 | /*!
|
---|
846 | */
|
---|
847 | function gc($maxlifetime)
|
---|
848 | {
|
---|
849 | $conn =& ADODB_Session::_conn();
|
---|
850 | $debug = ADODB_Session::debug();
|
---|
851 | $expire_notify = ADODB_Session::expireNotify();
|
---|
852 | $optimize = ADODB_Session::optimize();
|
---|
853 | $table = ADODB_Session::table();
|
---|
854 |
|
---|
855 | if (!$conn) {
|
---|
856 | return false;
|
---|
857 | }
|
---|
858 |
|
---|
859 | //assert('$table');
|
---|
860 |
|
---|
861 | $time = $conn->sysTimeStamp;
|
---|
862 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : '';
|
---|
863 |
|
---|
864 | if ($expire_notify) {
|
---|
865 | reset($expire_notify);
|
---|
866 | $fn = next($expire_notify);
|
---|
867 | $savem = $conn->SetFetchMode(ADODB_FETCH_NUM);
|
---|
868 | $sql = "SELECT expireref, sesskey FROM $table WHERE expiry < $time";
|
---|
869 | $rs =& $conn->Execute($sql);
|
---|
870 | ADODB_Session::_dumprs($rs);
|
---|
871 | $conn->SetFetchMode($savem);
|
---|
872 | if ($rs) {
|
---|
873 | $conn->StartTrans();
|
---|
874 | $keys = array();
|
---|
875 | while (!$rs->EOF) {
|
---|
876 | $ref = $rs->fields[0];
|
---|
877 | $key = $rs->fields[1];
|
---|
878 | $fn($ref, $key);
|
---|
879 | $del = $conn->Execute("DELETE FROM $table WHERE sesskey=".$conn->Param('0'),array($key));
|
---|
880 | $rs->MoveNext();
|
---|
881 | }
|
---|
882 | $rs->Close();
|
---|
883 |
|
---|
884 | $conn->CompleteTrans();
|
---|
885 | }
|
---|
886 | } else {
|
---|
887 |
|
---|
888 | if (0) {
|
---|
889 | $sql = "SELECT sesskey FROM $table WHERE expiry < $time";
|
---|
890 | $arr =& $conn->GetAll($sql);
|
---|
891 | foreach ($arr as $row) {
|
---|
892 | $sql2 = "DELETE FROM $table WHERE sesskey=".$conn->Param('0');
|
---|
893 | $conn->Execute($sql2,array($row[0]));
|
---|
894 | }
|
---|
895 | } else {
|
---|
896 | $sql = "DELETE FROM $table WHERE expiry < $time";
|
---|
897 | $rs =& $conn->Execute($sql);
|
---|
898 | ADODB_Session::_dumprs($rs);
|
---|
899 | if ($rs) $rs->Close();
|
---|
900 | }
|
---|
901 | if ($debug) {
|
---|
902 | ADOConnection::outp("<p><b>Garbage Collection</b>: $sql</p>");
|
---|
903 | }
|
---|
904 | }
|
---|
905 |
|
---|
906 | // suggested by Cameron, "GaM3R" <gamr@outworld.cx>
|
---|
907 | if ($optimize) {
|
---|
908 | $driver = ADODB_Session::driver();
|
---|
909 |
|
---|
910 | if (preg_match('/mysql/i', $driver)) {
|
---|
911 | $sql = "OPTIMIZE TABLE $table";
|
---|
912 | }
|
---|
913 | if (preg_match('/postgres/i', $driver)) {
|
---|
914 | $sql = "VACUUM $table";
|
---|
915 | }
|
---|
916 | if (!empty($sql)) {
|
---|
917 | $conn->Execute($sql);
|
---|
918 | }
|
---|
919 | }
|
---|
920 |
|
---|
921 |
|
---|
922 | return true;
|
---|
923 | }
|
---|
924 | }
|
---|
925 |
|
---|
926 | ADODB_Session::_init();
|
---|
927 | if (empty($ADODB_SESSION_READONLY))
|
---|
928 | register_shutdown_function('session_write_close');
|
---|
929 |
|
---|
930 | // for backwards compatability only
|
---|
931 | function adodb_sess_open($save_path, $session_name, $persist = true) {
|
---|
932 | return ADODB_Session::open($save_path, $session_name, $persist);
|
---|
933 | }
|
---|
934 |
|
---|
935 | // for backwards compatability only
|
---|
936 | function adodb_sess_gc($t)
|
---|
937 | {
|
---|
938 | return ADODB_Session::gc($t);
|
---|
939 | }
|
---|
940 |
|
---|
941 | ?> |
---|