This file is indexed.

/usr/share/php/Doctrine/DBAL/SQLParserUtils.php is in php-doctrine-dbal 2.5.13-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\DBAL;

/**
 * Utility class that parses sql statements with regard to types and parameters.
 *
 * @link   www.doctrine-project.org
 * @since  2.0
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
class SQLParserUtils
{
    const POSITIONAL_TOKEN = '\?';
    const NAMED_TOKEN      = '(?<!:):[a-zA-Z_][a-zA-Z0-9_]*';

    // Quote characters within string literals can be preceded by a backslash.
    const ESCAPED_SINGLE_QUOTED_TEXT = "(?:'(?:\\\\\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
    const ESCAPED_DOUBLE_QUOTED_TEXT = '(?:"(?:\\\\\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
    const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
    const ESCAPED_BRACKET_QUOTED_TEXT = '(?<!\bARRAY)\[(?:[^\]])*\]';

    /**
     * Gets an array of the placeholders in an sql statements as keys and their positions in the query string.
     *
     * Returns an integer => integer pair (indexed from zero) for a positional statement
     * and a string => int[] pair for a named statement.
     *
     * @param string  $statement
     * @param boolean $isPositional
     *
     * @return array
     */
    static public function getPlaceholderPositions($statement, $isPositional = true)
    {
        $match = ($isPositional) ? '?' : ':';
        if (strpos($statement, $match) === false) {
            return array();
        }

        $token = ($isPositional) ? self::POSITIONAL_TOKEN : self::NAMED_TOKEN;
        $paramMap = array();

        foreach (self::getUnquotedStatementFragments($statement) as $fragment) {
            preg_match_all("/$token/", $fragment[0], $matches, PREG_OFFSET_CAPTURE);
            foreach ($matches[0] as $placeholder) {
                if ($isPositional) {
                    $paramMap[] = $placeholder[1] + $fragment[1];
                } else {
                    $pos = $placeholder[1] + $fragment[1];
                    $paramMap[$pos] = substr($placeholder[0], 1, strlen($placeholder[0]));
                }
            }
        }

        return $paramMap;
    }

    /**
     * For a positional query this method can rewrite the sql statement with regard to array parameters.
     *
     * @param string $query  The SQL query to execute.
     * @param array  $params The parameters to bind to the query.
     * @param array  $types  The types the previous parameters are in.
     *
     * @return array
     *
     * @throws SQLParserUtilsException
     */
    static public function expandListParameters($query, $params, $types)
    {
        $isPositional   = is_int(key($params));
        $arrayPositions = array();
        $bindIndex      = -1;

        if ($isPositional) {
            ksort($params);
            ksort($types);
        }

        foreach ($types as $name => $type) {
            ++$bindIndex;

            if ($type !== Connection::PARAM_INT_ARRAY && $type !== Connection::PARAM_STR_ARRAY) {
                continue;
            }

            if ($isPositional) {
                $name = $bindIndex;
            }

            $arrayPositions[$name] = false;
        }

        if (( ! $arrayPositions && $isPositional)) {
            return array($query, $params, $types);
        }

        $paramPos = self::getPlaceholderPositions($query, $isPositional);

        if ($isPositional) {
            $paramOffset = 0;
            $queryOffset = 0;
            $params      = array_values($params);
            $types       = array_values($types);

            foreach ($paramPos as $needle => $needlePos) {
                if ( ! isset($arrayPositions[$needle])) {
                    continue;
                }

                $needle    += $paramOffset;
                $needlePos += $queryOffset;
                $count      = count($params[$needle]);

                $params = array_merge(
                    array_slice($params, 0, $needle),
                    $params[$needle],
                    array_slice($params, $needle + 1)
                );

                $types = array_merge(
                    array_slice($types, 0, $needle),
                    $count ?
                        array_fill(0, $count, $types[$needle] - Connection::ARRAY_PARAM_OFFSET) : // array needles are at PDO::PARAM_* + 100
                        array(),
                    array_slice($types, $needle + 1)
                );

                $expandStr  = $count ? implode(", ", array_fill(0, $count, "?")) : 'NULL';
                $query      = substr($query, 0, $needlePos) . $expandStr . substr($query, $needlePos + 1);

                $paramOffset += ($count - 1); // Grows larger by number of parameters minus the replaced needle.
                $queryOffset += (strlen($expandStr) - 1);
            }

            return array($query, $params, $types);
        }

        $queryOffset = 0;
        $typesOrd    = array();
        $paramsOrd   = array();

        foreach ($paramPos as $pos => $paramName) {
            $paramLen = strlen($paramName) + 1;
            $value    = static::extractParam($paramName, $params, true);

            if ( ! isset($arrayPositions[$paramName]) && ! isset($arrayPositions[':' . $paramName])) {
                $pos         += $queryOffset;
                $queryOffset -= ($paramLen - 1);
                $paramsOrd[]  = $value;
                $typesOrd[]   = static::extractParam($paramName, $types, false, \PDO::PARAM_STR);
                $query        = substr($query, 0, $pos) . '?' . substr($query, ($pos + $paramLen));

                continue;
            }

            $count      = count($value);
            $expandStr  = $count > 0 ? implode(', ', array_fill(0, $count, '?')) : 'NULL';

            foreach ($value as $val) {
                $paramsOrd[] = $val;
                $typesOrd[]  = static::extractParam($paramName, $types, false) - Connection::ARRAY_PARAM_OFFSET;
            }

            $pos         += $queryOffset;
            $queryOffset += (strlen($expandStr) - $paramLen);
            $query        = substr($query, 0, $pos) . $expandStr . substr($query, ($pos + $paramLen));
        }

        return array($query, $paramsOrd, $typesOrd);
    }

    /**
     * Slice the SQL statement around pairs of quotes and
     * return string fragments of SQL outside of quoted literals.
     * Each fragment is captured as a 2-element array:
     *
     * 0 => matched fragment string,
     * 1 => offset of fragment in $statement
     *
     * @param string $statement
     * @return array
     */
    static private function getUnquotedStatementFragments($statement)
    {
        $literal = self::ESCAPED_SINGLE_QUOTED_TEXT . '|' .
                   self::ESCAPED_DOUBLE_QUOTED_TEXT . '|' .
                   self::ESCAPED_BACKTICK_QUOTED_TEXT . '|' .
                   self::ESCAPED_BRACKET_QUOTED_TEXT;
        preg_match_all("/([^'\"`\[]+)(?:$literal)?/s", $statement, $fragments, PREG_OFFSET_CAPTURE);

        return $fragments[1];
    }

    /**
     * @param string    $paramName      The name of the parameter (without a colon in front)
     * @param array     $paramsOrTypes  A hash of parameters or types
     * @param bool      $isParam
     * @param mixed     $defaultValue   An optional default value. If omitted, an exception is thrown
     *
     * @throws SQLParserUtilsException
     * @return mixed
     */
    static private function extractParam($paramName, $paramsOrTypes, $isParam, $defaultValue = null)
    {
        if (array_key_exists($paramName, $paramsOrTypes)) {
            return $paramsOrTypes[$paramName];
        }

        // Hash keys can be prefixed with a colon for compatibility
        if (array_key_exists(':' . $paramName, $paramsOrTypes)) {
            return $paramsOrTypes[':' . $paramName];
        }

        if (null !== $defaultValue) {
            return $defaultValue;
        }

        if ($isParam) {
            throw SQLParserUtilsException::missingParam($paramName);
        }

        throw SQLParserUtilsException::missingType($paramName);
    }
}