PDOCrateDB::setAttribute() - Code Metrics - Inspection of "Naming things: In PDO jargon, it's a driver, not a..." - crate/crate-pdo - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — main ( a01029...30b22a )

by Andreas

created 2025-11-21 15:16 UTC

PDOCrateDB::setAttribute() D

↳ Parent: PDOCrateDB

Complexity

Conditions	20
Paths	18

Size

Total Lines	90
Code Lines	61

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	50
CRAP Score	22.898

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	20
eloc	61
c	1
b	0
f	0
nc	18
nop	2
dl	0
loc	90
ccs	50
cts	62
cp	0.8065
crap	22.898
rs	4.1666

How to fix Long Method Complexity

<?php
/**
 * Licensed to CRATE Technology GmbH("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate licenses
 * this file to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

declare(strict_types=1);

namespace Crate\PDO;

use Crate\PDO\Exception\InvalidArgumentException;
use Crate\PDO\Exception\PDOException;
use Crate\PDO\Http\ServerInterface;
use Crate\PDO\Http\ServerPool;
use Crate\Stdlib\ArrayUtils;
use PDO as BasePDO;

use const PHP_VERSION_ID;

class PDOCrateDB extends BasePDO implements PDOInterface
{
    use PDOImplementation;

    public const VERSION     = '2.2.3';
    public const DRIVER_NAME = 'crate';

    public const DSN_REGEX = '/^(?:crate:)(?:((?:[\w\.-]+:\d+\,?)+))\/?([\w]+)?$/';

    public const CRATE_ATTR_HTTP_BASIC_AUTH = 1000;
    public const CRATE_ATTR_DEFAULT_SCHEMA  = 1001;

    public const CRATE_ATTR_SSL_MODE                                       = 1008;
    public const CRATE_ATTR_SSL_MODE_DISABLED                              = 1;
    public const CRATE_ATTR_SSL_MODE_ENABLED_BUT_WITHOUT_HOST_VERIFICATION = 2;
    public const CRATE_ATTR_SSL_MODE_REQUIRED                              = 3;

    public const CRATE_ATTR_SSL_KEY_PATH      = 1002;
    public const CRATE_ATTR_SSL_KEY_PASSWORD  = 1003;
    public const CRATE_ATTR_SSL_CERT_PATH     = 1004;
    public const CRATE_ATTR_SSL_CERT_PASSWORD = 1005;
    public const CRATE_ATTR_SSL_CA_PATH       = 1006;
    public const CRATE_ATTR_SSL_CA_PASSWORD   = 1007;

    public const PARAM_FLOAT     = 6;
    public const PARAM_DOUBLE    = 7;
    public const PARAM_LONG      = 8;
    public const PARAM_ARRAY     = 9;
    public const PARAM_OBJECT    = 10;
    public const PARAM_TIMESTAMP = 11;
    public const PARAM_IP        = 12;

    /**
     * @var array
     */
    private $attributes = [
        'defaultFetchMode' => self::FETCH_BOTH,
        'errorMode'        => self::ERRMODE_SILENT,
        'sslMode'          => self::CRATE_ATTR_SSL_MODE_DISABLED,
        'statementClass'   => [PDOStatement::class, []],
        'timeout'          => 0.0,
        'auth'             => [],
        'defaultSchema'    => 'doc',
        'bulkMode'         => false,
    ];

    /**
     * @var Http\ServerInterface
     */
    private $server;

    /**
     * @var PDOStatement|null
     */
    private $lastStatement;

    /**
     * @var callable
     */
    private $request;

    /**
     * {@inheritDoc}
     *
     * @param string     $dsn      The HTTP endpoint to call
     * @param null       $username Username for basic auth

     * @param null       $passwd   Password for basic auth

     * @param null|array $options  Attributes to set on the PDO
     */
    public function __construct($dsn, $username = null, $passwd = null, $options = [])
    {

        if (PHP_VERSION_ID < 80000) {
            trigger_error(
                "`crate/crate-pdo` will stop supporting PHP7 on one of the upcoming " .
                "releases. Please upgrade to PHP8.",
                E_USER_DEPRECATED
            );
        }

        $dsnParts = self::parseDSN($dsn);
        $servers  = self::serversFromDsnParts($dsnParts);

        $this->setServer(new ServerPool($servers));

        foreach ((array)$options as $attribute => $value) {
            $this->setAttribute($attribute, $value);
        }

        if (!empty($username)) {
            $this->setAttribute(self::CRATE_ATTR_HTTP_BASIC_AUTH, [$username, $passwd]);
        }

        if (!empty($dsnParts[1])) {
            $this->setAttribute(self::CRATE_ATTR_DEFAULT_SCHEMA, $dsnParts[1]);
        }

        // Define a callback that will be used in the PDOStatements
        // This way we don't expose this as a public api to the end users.
        $this->request = function (PDOStatement $statement, $sql, array $parameters) {

            $this->lastStatement = $statement;

            try {
                if ($statement->isBulkMode()) {
                    return $this->server->executeBulk($sql, $parameters);
                } else {
                    return $this->server->execute($sql, $parameters);
                }
            } catch (Exception\RuntimeException $e) {
                if ($this->getAttribute(self::ATTR_ERRMODE) === self::ERRMODE_EXCEPTION) {
                    throw new Exception\PDOException($e->getMessage(), $e->getCode());
                }

                if ($this->getAttribute(self::ATTR_ERRMODE) === self::ERRMODE_WARNING) {
                    trigger_error(sprintf('[%d] %s', $e->getCode(), $e->getMessage()), E_USER_WARNING);
                }

                // should probably wrap this in a error object ?
                return [
                    'code'    => $e->getCode(),
                    'message' => $e->getMessage(),
                ];
            }
        };
    }

    /**
     * Change the server implementation
     *
     * @param ServerInterface $server
     */
    public function setServer(ServerInterface $server): void
    {
        $this->server = $server;
        $this->server->configure($this);
    }

    /**
     * Extract servers and optional custom schema from DSN string
     *
     * @param string $dsn The DSN string
     *
     * @throws \Crate\PDO\Exception\PDOException on an invalid DSN string
     *
     * @return array An array of ['host:post,host:port,...', 'schema']
     */
    private static function parseDSN($dsn)
    {
        $matches = [];

        if (!preg_match(static::DSN_REGEX, $dsn, $matches)) {
            throw new PDOException(sprintf('Invalid DSN %s', $dsn));
        }

        return array_slice($matches, 1);
    }

    /**
     * Extract host:port pairs out of the DSN parts
     *
     * @param array $dsnParts The parts of the parsed DSN string
     *
     * @return array An array of host:port strings
     */
    private static function serversFromDsnParts($dsnParts)
    {
        return explode(',', trim($dsnParts[0], ','));
    }

    /**
     * {@inheritDoc}
     */
    #[\ReturnTypeWillChange]
    public function prepare($statement, $options = null)
    {
        $options = ArrayUtils::toArray($options);

        if (isset($options[self::ATTR_CURSOR])) {
            trigger_error(sprintf('%s not supported', __METHOD__), E_USER_WARNING);

            return true;
        }

        $statementClass = $this->attributes['statementClass'];
        if (is_string($statementClass)) {
            trigger_error(
                "Using bare class strings with `statementClass` is deprecated, " .
                "see also https://github.com/crate/crate-pdo/issues/191.",
                E_USER_DEPRECATED
            );
            $className = $statementClass;
            $constructorArgs = [];
        } elseif (is_array($statementClass)) {
            $className = $statementClass[0];
            $constructorArgs = $statementClass[1] ?? [];
        } else {
            throw new InvalidArgumentException(
                'Value provided to statementClass has invalid type'
            );
        }
        if ($className === PDOStatement::class) {
            $constructorArgs = [$this, $this->request, $statement, $options];
        }

        return new $className(...$constructorArgs);
    }

    /**
     * {@inheritDoc}
     */
    public function beginTransaction(): bool
    {
        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function commit(): bool
    {
        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function rollBack(): bool
    {
        throw new Exception\UnsupportedException;
    }

    /**
     * {@inheritDoc}
     */
    public function inTransaction(): bool
    {
        return false;
    }

    /**
     * {@inheritDoc}
     */
    #[\ReturnTypeWillChange]
    public function exec($statement)
    {
        $statement = $this->prepare($statement);
        $result    = $statement->execute();

        return $result === false ? false : $statement->rowCount();
    }

    /**
     * {@inheritDoc}
     */
    public function doQuery($statement, ?int $fetchMode = null, ...$fetchModeArgs)
    {
        $statement = $this->prepare($statement);
        if ($fetchMode !== null) {
            $statement->setFetchMode($fetchMode, ...$fetchModeArgs);
        }

        $result    = $statement->execute();

        return $result === false ? false : $statement;
    }

    /**
     * {@inheritDoc}
     */
    public function lastInsertId($name = null): string
    {
        throw new Exception\UnsupportedException;
    }

    /**
     * {@inheritDoc}
     */
    public function errorCode(): ?string
    {
        return $this->lastStatement === null ? null : $this->lastStatement->errorCode();
    }

    /**
     * {@inheritDoc}
     */
    public function errorInfo(): array
    {
        return $this->lastStatement === null ? ["00000", null, null] : $this->lastStatement->errorInfo();
    }

    /**
     * {@inheritDoc}
     *
     * @throws \Crate\PDO\Exception\PDOException
     * @throws \Crate\PDO\Exception\InvalidArgumentException
     */
    #[\ReturnTypeWillChange]
    public function setAttribute($attribute, $value)
    {
        switch ($attribute) {
            case self::ATTR_DEFAULT_FETCH_MODE:
                $this->attributes['defaultFetchMode'] = $value;
                break;

            case self::ATTR_ERRMODE:
                $this->attributes['errorMode'] = $value;
                break;

            case self::ATTR_STATEMENT_CLASS:
                // Previous versions accepted bare class strings on this mode's argument value,
                // while the PDO standard format is `[ClassName::class, [constructor_args]]`.
                // Let's modernize, upcycle, and propagate accordingly.
                if (is_string($value)) {
                    trigger_error(
                        "Using bare class strings with `ATTR_STATEMENT_CLASS` is deprecated, " .
                        "see also https://github.com/crate/crate-pdo/issues/191.",
                        E_USER_DEPRECATED
                    );
                    $this->attributes['statementClass'] = [$value, []];
                } elseif (is_array($value)) {
                    if (empty($value) || !is_string($value[0])) {
                        throw new InvalidArgumentException(
                            'ATTR_STATEMENT_CLASS array must contain a class name as first element'
                        );
                    }
                    $this->attributes['statementClass'] = $value;
                } else {
                    throw new InvalidArgumentException(
                        'Value provided to ATTR_STATEMENT_CLASS has invalid type'
                    );
                }
                break;

            case self::ATTR_TIMEOUT:
                $this->attributes['timeout'] = (int)$value;
                break;

            case self::CRATE_ATTR_HTTP_BASIC_AUTH:
                if (!is_array($value) && $value !== null) {
                    throw new InvalidArgumentException(
                        'Value provided to CRATE_ATTR_HTTP_BASIC_AUTH must be null or an array'
                    );
                }

                $this->attributes['auth'] = $value;
                break;

            case self::CRATE_ATTR_DEFAULT_SCHEMA:
                $this->attributes['defaultSchema'] = $value;
                break;

            case self::CRATE_ATTR_SSL_MODE:
                $this->attributes['sslMode'] = $value;
                break;

            case self::CRATE_ATTR_SSL_CA_PATH:
                $this->attributes['sslCa'] = $value;
                break;

            case self::CRATE_ATTR_SSL_CA_PASSWORD:
                $this->attributes['sslCaPassword'] = $value;
                break;

            case self::CRATE_ATTR_SSL_CERT_PATH:
                $this->attributes['sslCert'] = $value;
                break;

            case self::CRATE_ATTR_SSL_CERT_PASSWORD:
                $this->attributes['sslCertPassword'] = $value;
                break;

            case self::CRATE_ATTR_SSL_KEY_PATH:
                $this->attributes['sslKey'] = $value;
                break;

            case self::CRATE_ATTR_SSL_KEY_PASSWORD:
                $this->attributes['sslKeyPassword'] = $value;
                break;

            default:
                throw new Exception\PDOException('Unsupported driver attribute');
        }

        // A setting changed so we need to reconfigure the server pool
        $this->server->configure($this);
        return true;
    }

    /**
     * {@inheritDoc}
     *
     * @throws \Crate\PDO\Exception\PDOException
     */
    #[\ReturnTypeWillChange]
    public function getAttribute($attribute)
    {
        switch ($attribute) {
            case self::ATTR_PREFETCH:
            case self::ATTR_PERSISTENT:
                return false;

            case self::ATTR_CLIENT_VERSION:
                return self::VERSION;

            case self::ATTR_SERVER_VERSION:
                return $this->server->getServerVersion();

            case self::ATTR_SERVER_INFO:
                return $this->server->getServerInfo();

            case self::ATTR_TIMEOUT:
                return $this->attributes['timeout'];

            case self::CRATE_ATTR_HTTP_BASIC_AUTH:
                return $this->attributes['auth'];

            case self::ATTR_DEFAULT_FETCH_MODE:
                return $this->attributes['defaultFetchMode'];

            case self::ATTR_ERRMODE:
                return $this->attributes['errorMode'];

            case self::ATTR_DRIVER_NAME:
                return static::DRIVER_NAME;

            case self::ATTR_STATEMENT_CLASS:
                return $this->attributes['statementClass'];

            case self::CRATE_ATTR_DEFAULT_SCHEMA:
                return $this->attributes['defaultSchema'];

            case self::CRATE_ATTR_SSL_MODE:
                return $this->attributes['sslMode'];

            case self::CRATE_ATTR_SSL_CA_PATH:
                return $this->attributes['sslCa'] ?? null;

            case self::CRATE_ATTR_SSL_CA_PASSWORD:
                return $this->attributes['sslCaPassword'] ?? null;

            case self::CRATE_ATTR_SSL_CERT_PATH:
                return $this->attributes['sslCert'] ?? null;

            case self::CRATE_ATTR_SSL_CERT_PASSWORD:
                return $this->attributes['sslCertPassword'] ?? null;

            case self::CRATE_ATTR_SSL_KEY_PATH:
                return $this->attributes['sslKey'] ?? null;

            case self::CRATE_ATTR_SSL_KEY_PASSWORD:
                return $this->attributes['sslKeyPassword'] ?? null;

            default:
                // PHP Switch is a lose comparison
                if ($attribute === self::ATTR_AUTOCOMMIT) {
                    return true;
                }

                throw new Exception\PDOException(sprintf('Unsupported driver attribute: %s', $attribute));
        }
    }

    /**
     * {@inheritDoc}
     */
    #[\ReturnTypeWillChange]
    public function quote($string, $parameter_type = self::PARAM_STR)
    {
        switch ($parameter_type) {
            case self::PARAM_INT:
                return (int)$string;

            case self::PARAM_BOOL:
                return (bool)$string;

            case self::PARAM_NULL:
                return null;

            case self::PARAM_LOB:
                throw new Exception\UnsupportedException('This is not supported by crate.io');

            case self::PARAM_STR:
                trigger_error(
                    "Strongly consider using prepared statements (secure) " .
                    "instead of quoting strings manually (insecure), " .
                    "see also https://www.php.net/manual/en/pdo.quote.php.",
                    E_USER_DEPRECATED
                );
                return $this->quotePostgresql((string)$string);

            default:
                throw new Exception\InvalidArgumentException('Unknown param type');
        }
    }

    /**
     * Escape/quote strings for PostgreSQL when using prepared statements is not possible.
     *
     * https://github.com/ADOdb/ADOdb/blob/v5.22.10/adodb.inc.php
     * https://github.com/ADOdb/ADOdb/blob/v5.22.10/drivers/adodb-postgres64.inc.php
     *
     * @param string $string
     * @return string
     */
    private function quotePostgresql($value): string
    {
        if (is_bool($value)) {
            return $value ? 'true' : 'false';
        }
        $value = str_replace(
            array('\\', "\0"),
            array('\\\\', "\\\0"),
            $value
        );
        // CrateDB uses quote-doubling instead of backslash escaping.
        return str_replace("'", "''", $value);
    }

    /**
     * {@inheritDoc}
     */
    public static function getAvailableDrivers(): array
    {
        return array_merge(parent::getAvailableDrivers(), [static::DRIVER_NAME]);
    }

    public function getServerVersion(): string
    {
        return $this->server->getServerVersion();
    }

    public function getServerInfo(): string
    {
        return $this->getServerVersion();
    }
}


1		<?php
2		/**
3		* Licensed to CRATE Technology GmbH("Crate") under one or more contributor
4		* license agreements. See the NOTICE file distributed with this work for
5		* additional information regarding copyright ownership. Crate licenses
6		* this file to you under the Apache License, Version 2.0 (the "License");
7		* you may not use this file except in compliance with the License. You may
8		* obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14		* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15		* License for the specific language governing permissions and limitations
16		* under the License.
17		*
18		* However, if you have executed another commercial license agreement
19		* with Crate these terms will supersede the license and you may use the
20		* software solely pursuant to the terms of the relevant commercial agreement.
21		*/
22
23		declare(strict_types=1);
24
25		namespace Crate\PDO;
26
27		use Crate\PDO\Exception\InvalidArgumentException;
28		use Crate\PDO\Exception\PDOException;
29		use Crate\PDO\Http\ServerInterface;
30		use Crate\PDO\Http\ServerPool;
31		use Crate\Stdlib\ArrayUtils;
32		use PDO as BasePDO;
33
34		use const PHP_VERSION_ID;
35
36		class PDOCrateDB extends BasePDO implements PDOInterface
37		{
38		use PDOImplementation;
39
40		public const VERSION = '2.2.3';
41		public const DRIVER_NAME = 'crate';
42
43		public const DSN_REGEX = '/^(?:crate:)(?:((?:[\w\.-]+:\d+\,?)+))\/?([\w]+)?$/';
44
45		public const CRATE_ATTR_HTTP_BASIC_AUTH = 1000;
46		public const CRATE_ATTR_DEFAULT_SCHEMA = 1001;
47
48		public const CRATE_ATTR_SSL_MODE = 1008;
49		public const CRATE_ATTR_SSL_MODE_DISABLED = 1;
50		public const CRATE_ATTR_SSL_MODE_ENABLED_BUT_WITHOUT_HOST_VERIFICATION = 2;
51		public const CRATE_ATTR_SSL_MODE_REQUIRED = 3;
52
53		public const CRATE_ATTR_SSL_KEY_PATH = 1002;
54		public const CRATE_ATTR_SSL_KEY_PASSWORD = 1003;
55		public const CRATE_ATTR_SSL_CERT_PATH = 1004;
56		public const CRATE_ATTR_SSL_CERT_PASSWORD = 1005;
57		public const CRATE_ATTR_SSL_CA_PATH = 1006;
58		public const CRATE_ATTR_SSL_CA_PASSWORD = 1007;
59
60		public const PARAM_FLOAT = 6;
61		public const PARAM_DOUBLE = 7;
62		public const PARAM_LONG = 8;
63		public const PARAM_ARRAY = 9;
64		public const PARAM_OBJECT = 10;
65		public const PARAM_TIMESTAMP = 11;
66		public const PARAM_IP = 12;
67
68		/**
69		* @var array
70		*/
71		private $attributes = [
72		'defaultFetchMode' => self::FETCH_BOTH,
73		'errorMode' => self::ERRMODE_SILENT,
74		'sslMode' => self::CRATE_ATTR_SSL_MODE_DISABLED,
75		'statementClass' => [PDOStatement::class, []],
76		'timeout' => 0.0,
77		'auth' => [],
78		'defaultSchema' => 'doc',
79		'bulkMode' => false,
80		];
81
82		/**
83		* @var Http\ServerInterface
84		*/
85		private $server;
86
87		/**
88		* @var PDOStatement\|null
89		*/
90		private $lastStatement;
91
92		/**
93		* @var callable
94		*/
95		private $request;
96
97		/**
98		* {@inheritDoc}
99		*
100		* @param string $dsn The HTTP endpoint to call
101		* @param null $username Username for basic auth
		0 ignored issues – show Documentation Bug introduced 2021-02-24 07:34 UTC by Report Bug Copy Issue Report Are you sure the doc-type for parameter `$username` is correct as it would always require `null` to be passed? Loading history...
102		* @param null $passwd Password for basic auth
		0 ignored issues – show Documentation Bug introduced 2021-02-24 07:34 UTC by Report Bug Copy Issue Report Are you sure the doc-type for parameter `$passwd` is correct as it would always require `null` to be passed? Loading history...
103		* @param null\|array $options Attributes to set on the PDO
104		*/
105	36	public function __construct($dsn, $username = null, $passwd = null, $options = [])
106		{
107
108	36	if (PHP_VERSION_ID < 80000) {
109		trigger_error(
110		"`crate/crate-pdo` will stop supporting PHP7 on one of the upcoming " .
111		"releases. Please upgrade to PHP8.",
112		E_USER_DEPRECATED
113		);
114		}
115
116	36	$dsnParts = self::parseDSN($dsn);
117	36	$servers = self::serversFromDsnParts($dsnParts);
118
119	36	$this->setServer(new ServerPool($servers));
120
121	36	foreach ((array)$options as $attribute => $value) {
122	2	$this->setAttribute($attribute, $value);
123		}
124
125	36	if (!empty($username)) {
126	4	$this->setAttribute(self::CRATE_ATTR_HTTP_BASIC_AUTH, [$username, $passwd]);
127		}
128
129	36	if (!empty($dsnParts[1])) {
130		$this->setAttribute(self::CRATE_ATTR_DEFAULT_SCHEMA, $dsnParts[1]);
131		}
132
133		// Define a callback that will be used in the PDOStatements
134		// This way we don't expose this as a public api to the end users.
135	36	$this->request = function (PDOStatement $statement, $sql, array $parameters) {
136
137	2	$this->lastStatement = $statement;
138
139		try {
140	2	if ($statement->isBulkMode()) {
141		return $this->server->executeBulk($sql, $parameters);
142		} else {
143	2	return $this->server->execute($sql, $parameters);
144		}
145		} catch (Exception\RuntimeException $e) {
146		if ($this->getAttribute(self::ATTR_ERRMODE) === self::ERRMODE_EXCEPTION) {
147		throw new Exception\PDOException($e->getMessage(), $e->getCode());
148		}
149
150		if ($this->getAttribute(self::ATTR_ERRMODE) === self::ERRMODE_WARNING) {
151		trigger_error(sprintf('[%d] %s', $e->getCode(), $e->getMessage()), E_USER_WARNING);
152		}
153
154		// should probably wrap this in a error object ?
155		return [
156		'code' => $e->getCode(),
157		'message' => $e->getMessage(),
158		];
159		}
160	36	};
161		}
162
163		/**
164		* Change the server implementation
165		*
166		* @param ServerInterface $server
167		*/
168	30	public function setServer(ServerInterface $server): void
169		{
170	30	$this->server = $server;
171	30	$this->server->configure($this);
172		}
173
174		/**
175		* Extract servers and optional custom schema from DSN string
176		*
177		* @param string $dsn The DSN string
178		*
179		* @throws \Crate\PDO\Exception\PDOException on an invalid DSN string
180		*
181		* @return array An array of ['host:post,host:port,...', 'schema']
182		*/
183	110	private static function parseDSN($dsn)
184		{
185	110	$matches = [];
186
187	110	if (!preg_match(static::DSN_REGEX, $dsn, $matches)) {
188	8	throw new PDOException(sprintf('Invalid DSN %s', $dsn));
189		}
190
191	102	return array_slice($matches, 1);
192		}
193
194		/**
195		* Extract host:port pairs out of the DSN parts
196		*
197		* @param array $dsnParts The parts of the parsed DSN string
198		*
199		* @return array An array of host:port strings
200		*/
201	100	private static function serversFromDsnParts($dsnParts)
202		{
203	100	return explode(',', trim($dsnParts[0], ','));
204		}
205
206		/**
207		* {@inheritDoc}
208		*/
209	4	#[\ReturnTypeWillChange]
210		public function prepare($statement, $options = null)
211		{
212	4	$options = ArrayUtils::toArray($options);
213
214	4	if (isset($options[self::ATTR_CURSOR])) {
215		trigger_error(sprintf('%s not supported', __METHOD__), E_USER_WARNING);
216
217		return true;
218		}
219
220	4	$statementClass = $this->attributes['statementClass'];
221	4	if (is_string($statementClass)) {
222		trigger_error(
223		"Using bare class strings with `statementClass` is deprecated, " .
224		"see also https://github.com/crate/crate-pdo/issues/191.",
225		E_USER_DEPRECATED
226		);
227		$className = $statementClass;
228		$constructorArgs = [];
229	4	} elseif (is_array($statementClass)) {
230	4	$className = $statementClass[0];
231	4	$constructorArgs = $statementClass[1] ?? [];
232		} else {
233		throw new InvalidArgumentException(
234		'Value provided to statementClass has invalid type'
235		);
236		}
237	4	if ($className === PDOStatement::class) {
238	4	$constructorArgs = [$this, $this->request, $statement, $options];
239		}
240
241	4	return new $className(...$constructorArgs);
242		}
243
244		/**
245		* {@inheritDoc}
246		*/
247	2	public function beginTransaction(): bool
248		{
249	2	return true;
250		}
251
252		/**
253		* {@inheritDoc}
254		*/
255	2	public function commit(): bool
256		{
257	2	return true;
258		}
259
260		/**
261		* {@inheritDoc}
262		*/
263	2	public function rollBack(): bool
264		{
265	2	throw new Exception\UnsupportedException;
266		}
267
268		/**
269		* {@inheritDoc}
270		*/
271	2	public function inTransaction(): bool
272		{
273	2	return false;
274		}
275
276		/**
277		* {@inheritDoc}
278		*/
279		#[\ReturnTypeWillChange]
280		public function exec($statement)
281		{
282		$statement = $this->prepare($statement);
283		$result = $statement->execute();
284
285		return $result === false ? false : $statement->rowCount();
286		}
287
288		/**
289		* {@inheritDoc}
290		*/
291	2	public function doQuery($statement, ?int $fetchMode = null, ...$fetchModeArgs)
292		{
293	2	$statement = $this->prepare($statement);
294	2	if ($fetchMode !== null) {
295		$statement->setFetchMode($fetchMode, ...$fetchModeArgs);
296		}
297
298	2	$result = $statement->execute();
299
300	2	return $result === false ? false : $statement;
301		}
302
303		/**
304		* {@inheritDoc}
305		*/
306	2	public function lastInsertId($name = null): string
307		{
308	2	throw new Exception\UnsupportedException;
309		}
310
311		/**
312		* {@inheritDoc}
313		*/
314		public function errorCode(): ?string
315		{
316		return $this->lastStatement === null ? null : $this->lastStatement->errorCode();
317		}
318
319		/**
320		* {@inheritDoc}
321		*/
322		public function errorInfo(): array
323		{
324		return $this->lastStatement === null ? ["00000", null, null] : $this->lastStatement->errorInfo();
325		}
326
327		/**
328		* {@inheritDoc}
329		*
330		* @throws \Crate\PDO\Exception\PDOException
331		* @throws \Crate\PDO\Exception\InvalidArgumentException
332		*/
333	32	#[\ReturnTypeWillChange]
334		public function setAttribute($attribute, $value)
335		{
336		switch ($attribute) {
337	32	case self::ATTR_DEFAULT_FETCH_MODE:
338	2	$this->attributes['defaultFetchMode'] = $value;
339	2	break;
340
341	30	case self::ATTR_ERRMODE:
342	2	$this->attributes['errorMode'] = $value;
343	2	break;
344
345	28	case self::ATTR_STATEMENT_CLASS:
346		// Previous versions accepted bare class strings on this mode's argument value,
347		// while the PDO standard format is `[ClassName::class, [constructor_args]]`.
348		// Let's modernize, upcycle, and propagate accordingly.
349	2	if (is_string($value)) {
350	2	trigger_error(
351	2	"Using bare class strings with `ATTR_STATEMENT_CLASS` is deprecated, " .
352	2	"see also https://github.com/crate/crate-pdo/issues/191.",
353	2	E_USER_DEPRECATED
354	2	);
355	2	$this->attributes['statementClass'] = [$value, []];
356		} elseif (is_array($value)) {
357		if (empty($value) \|\| !is_string($value[0])) {
358		throw new InvalidArgumentException(
359		'ATTR_STATEMENT_CLASS array must contain a class name as first element'
360		);
361		}
362		$this->attributes['statementClass'] = $value;
363		} else {
364		throw new InvalidArgumentException(
365		'Value provided to ATTR_STATEMENT_CLASS has invalid type'
366		);
367		}
368	2	break;
369
370	26	case self::ATTR_TIMEOUT:
371	4	$this->attributes['timeout'] = (int)$value;
372	4	break;
373
374	24	case self::CRATE_ATTR_HTTP_BASIC_AUTH:
375	4	if (!is_array($value) && $value !== null) {
376		throw new InvalidArgumentException(
377		'Value provided to CRATE_ATTR_HTTP_BASIC_AUTH must be null or an array'
378		);
379		}
380
381	4	$this->attributes['auth'] = $value;
382	4	break;
383
384	24	case self::CRATE_ATTR_DEFAULT_SCHEMA:
385	4	$this->attributes['defaultSchema'] = $value;
386	4	break;
387
388	20	case self::CRATE_ATTR_SSL_MODE:
389	18	$this->attributes['sslMode'] = $value;
390	18	break;
391
392	14	case self::CRATE_ATTR_SSL_CA_PATH:
393	4	$this->attributes['sslCa'] = $value;
394	4	break;
395
396	12	case self::CRATE_ATTR_SSL_CA_PASSWORD:
397	2	$this->attributes['sslCaPassword'] = $value;
398	2	break;
399
400	10	case self::CRATE_ATTR_SSL_CERT_PATH:
401	4	$this->attributes['sslCert'] = $value;
402	4	break;
403
404	8	case self::CRATE_ATTR_SSL_CERT_PASSWORD:
405	2	$this->attributes['sslCertPassword'] = $value;
406	2	break;
407
408	6	case self::CRATE_ATTR_SSL_KEY_PATH:
409	4	$this->attributes['sslKey'] = $value;
410	4	break;
411
412	4	case self::CRATE_ATTR_SSL_KEY_PASSWORD:
413	2	$this->attributes['sslKeyPassword'] = $value;
414	2	break;
415
416		default:
417	2	throw new Exception\PDOException('Unsupported driver attribute');
418		}
419
420		// A setting changed so we need to reconfigure the server pool
421	30	$this->server->configure($this);
422	30	return true;
423		}
424
425		/**
426		* {@inheritDoc}
427		*
428		* @throws \Crate\PDO\Exception\PDOException
429		*/
430	52	#[\ReturnTypeWillChange]
431		public function getAttribute($attribute)
432		{
433		switch ($attribute) {
434	52	case self::ATTR_PREFETCH:
435	52	case self::ATTR_PERSISTENT:
436	4	return false;
437
438	52	case self::ATTR_CLIENT_VERSION:
439	2	return self::VERSION;
440
441	52	case self::ATTR_SERVER_VERSION:
442		return $this->server->getServerVersion();
443
444	52	case self::ATTR_SERVER_INFO:
445		return $this->server->getServerInfo();
446
447	52	case self::ATTR_TIMEOUT:
448	52	return $this->attributes['timeout'];
449
450	52	case self::CRATE_ATTR_HTTP_BASIC_AUTH:
451	52	return $this->attributes['auth'];
452
453	52	case self::ATTR_DEFAULT_FETCH_MODE:
454	4	return $this->attributes['defaultFetchMode'];
455
456	52	case self::ATTR_ERRMODE:
457	2	return $this->attributes['errorMode'];
458
459	52	case self::ATTR_DRIVER_NAME:
460	2	return static::DRIVER_NAME;
461
462	52	case self::ATTR_STATEMENT_CLASS:
463	2	return $this->attributes['statementClass'];
464
465	52	case self::CRATE_ATTR_DEFAULT_SCHEMA:
466	52	return $this->attributes['defaultSchema'];
467
468	52	case self::CRATE_ATTR_SSL_MODE:
469	52	return $this->attributes['sslMode'];
470
471	52	case self::CRATE_ATTR_SSL_CA_PATH:
472	52	return $this->attributes['sslCa'] ?? null;
473
474	52	case self::CRATE_ATTR_SSL_CA_PASSWORD:
475	52	return $this->attributes['sslCaPassword'] ?? null;
476
477	52	case self::CRATE_ATTR_SSL_CERT_PATH:
478	52	return $this->attributes['sslCert'] ?? null;
479
480	52	case self::CRATE_ATTR_SSL_CERT_PASSWORD:
481	52	return $this->attributes['sslCertPassword'] ?? null;
482
483	52	case self::CRATE_ATTR_SSL_KEY_PATH:
484	52	return $this->attributes['sslKey'] ?? null;
485
486	52	case self::CRATE_ATTR_SSL_KEY_PASSWORD:
487	52	return $this->attributes['sslKeyPassword'] ?? null;
488
489		default:
490		// PHP Switch is a lose comparison
491	4	if ($attribute === self::ATTR_AUTOCOMMIT) {
492	2	return true;
493		}
494
495	2	throw new Exception\PDOException(sprintf('Unsupported driver attribute: %s', $attribute));
496		}
497		}
498
499		/**
500		* {@inheritDoc}
501		*/
502	6	#[\ReturnTypeWillChange]
503		public function quote($string, $parameter_type = self::PARAM_STR)
504		{
505		switch ($parameter_type) {
506	6	case self::PARAM_INT:
507	2	return (int)$string;
508
509	6	case self::PARAM_BOOL:
510	2	return (bool)$string;
511
512	6	case self::PARAM_NULL:
513	2	return null;
514
515	6	case self::PARAM_LOB:
516	2	throw new Exception\UnsupportedException('This is not supported by crate.io');
517
518	4	case self::PARAM_STR:
519	2	trigger_error(
520	2	"Strongly consider using prepared statements (secure) " .
521	2	"instead of quoting strings manually (insecure), " .
522	2	"see also https://www.php.net/manual/en/pdo.quote.php.",
523	2	E_USER_DEPRECATED
524	2	);
525	2	return $this->quotePostgresql((string)$string);
526
527		default:
528	2	throw new Exception\InvalidArgumentException('Unknown param type');
529		}
530		}
531
532		/**
533		* Escape/quote strings for PostgreSQL when using prepared statements is not possible.
534		*
535		* https://github.com/ADOdb/ADOdb/blob/v5.22.10/adodb.inc.php
536		* https://github.com/ADOdb/ADOdb/blob/v5.22.10/drivers/adodb-postgres64.inc.php
537		*
538		* @param string $string
539		* @return string
540		*/
541	2	private function quotePostgresql($value): string
542		{
543	2	if (is_bool($value)) {
544		return $value ? 'true' : 'false';
545		}
546	2	$value = str_replace(
547	2	array('\\', "\0"),
548	2	array('\\\\', "\\\0"),
549	2	$value
550	2	);
551		// CrateDB uses quote-doubling instead of backslash escaping.
552	2	return str_replace("'", "''", $value);
553		}
554
555		/**
556		* {@inheritDoc}
557		*/
558	2	public static function getAvailableDrivers(): array
559		{
560	2	return array_merge(parent::getAvailableDrivers(), [static::DRIVER_NAME]);
561		}
562
563		public function getServerVersion(): string
564		{
565		return $this->server->getServerVersion();
566		}
567
568		public function getServerInfo(): string
569		{
570		return $this->getServerVersion();
571		}
572		}
573

crate / crate-pdo

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