1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Robin Appelman <icewind@owncloud.com>
* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
class OC_DB_StatementWrapper {
/**
* @var \Doctrine\DBAL\Driver\Statement
*/
private $statement = null;
private $isManipulation = false;
private $lastArguments = array();
/**
* @param boolean $isManipulation
*/
public function __construct($statement, $isManipulation) {
$this->statement = $statement;
$this->isManipulation = $isManipulation;
}
/**
* pass all other function directly to the \Doctrine\DBAL\Driver\Statement
*/
public function __call($name,$arguments) {
return call_user_func_array(array($this->statement,$name), $arguments);
}
/**
* make execute return the result instead of a bool
*
* @param array $input
* @return \OC_DB_StatementWrapper|int
*/
public function execute($input=array()) {
if(OC_Config::getValue( "log_query", false)) {
$params_str = str_replace("\n", " ", var_export($input, true));
OC_Log::write('core', 'DB execute with arguments : '.$params_str, OC_Log::DEBUG);
}
$this->lastArguments = $input;
if (count($input) > 0) {
if (!isset($type)) {
$type = OC_Config::getValue( "dbtype", "sqlite" );
}
if ($type == 'mssql') {
$input = $this->tryFixSubstringLastArgumentDataForMSSQL($input);
}
$result = $this->statement->execute($input);
} else {
$result = $this->statement->execute();
}
if ($result === false) {
return false;
}
if ($this->isManipulation) {
$this->statement->closeCursor();
return $this->statement->rowCount();
} else {
return $this;
}
}
private function tryFixSubstringLastArgumentDataForMSSQL($input) {
$query = $this->statement->getWrappedStatement()->queryString;
$pos = stripos ($query, 'SUBSTRING');
if ( $pos === false) {
return $input;
}
try {
$newQuery = '';
$cArg = 0;
$inSubstring = false;
$queryLength = strlen($query);
// Create new query
for ($i = 0; $i < $queryLength; $i++) {
if ($inSubstring == false) {
// Defines when we should start inserting values
if (substr ($query, $i, 9) == 'SUBSTRING') {
$inSubstring = true;
}
} else {
// Defines when we should stop inserting values
if (substr ($query, $i, 1) == ')') {
$inSubstring = false;
}
}
if (substr ($query, $i, 1) == '?') {
// We found a question mark
if ($inSubstring) {
$newQuery .= $input[$cArg];
//
// Remove from input array
//
array_splice ($input, $cArg, 1);
} else {
$newQuery .= substr ($query, $i, 1);
$cArg++;
}
} else {
$newQuery .= substr ($query, $i, 1);
}
}
// The global data we need
$name = OC_Config::getValue( "dbname", "owncloud" );
$host = OC_Config::getValue( "dbhost", "" );
$user = OC_Config::getValue( "dbuser", "" );
$pass = OC_Config::getValue( "dbpassword", "" );
if (strpos($host, ':')) {
list($host, $port) = explode(':', $host, 2);
} else {
$port = false;
}
$opts = array();
if ($port) {
$dsn = 'sqlsrv:Server='.$host.','.$port.';Database='.$name;
} else {
$dsn = 'sqlsrv:Server='.$host.';Database='.$name;
}
$PDO = new PDO($dsn, $user, $pass, $opts);
$PDO->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
$PDO->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$this->statement = $PDO->prepare($newQuery);
$this->lastArguments = $input;
return $input;
} catch (PDOException $e){
$entry = 'PDO DB Error: "'.$e->getMessage().'"<br />';
$entry .= 'Offending command was: '.$this->statement->queryString .'<br />';
$entry .= 'Input parameters: ' .print_r($input, true).'<br />';
$entry .= 'Stack trace: ' .$e->getTraceAsString().'<br />';
OC_Log::write('core', $entry, OC_Log::FATAL);
OC_User::setUserId(null);
$l = \OC::$server->getL10N('lib');
throw new \OC\HintException(
$l->t('Database Error'),
$l->t('Please contact your system administrator.'),
0,
$e
);
}
}
/**
* provide an alias for fetch
*
* @return mixed
*/
public function fetchRow() {
return $this->statement->fetch();
}
/**
* Provide a simple fetchOne.
*
* fetch single column from the next row
* @param int $column the column number to fetch
* @return string
*/
public function fetchOne($column = 0) {
return $this->statement->fetchColumn($column);
}
/**
* Binds a PHP variable to a corresponding named or question mark placeholder in the
* SQL statement that was use to prepare the statement.
*
* @param mixed $column Either the placeholder name or the 1-indexed placeholder index
* @param mixed $variable The variable to bind
* @param integer|null $type one of the PDO::PARAM_* constants
* @param integer|null $length max length when using an OUT bind
* @return boolean
*/
public function bindParam($column, &$variable, $type = null, $length = null){
return $this->statement->bindParam($column, $variable, $type, $length);
}
}
|
