MysqliConnection::__construct() - Code Metrics - Inspection of "Merge pull request #3525 from doctrine/exceptions" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

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by Sergei

created 2019-04-29 19:11 UTC

MysqliConnection::__construct() A

↳ Parent: MysqliConnection

Complexity

Conditions	5
Paths	24

Size

Total Lines	39
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	20
CRAP Score	5.583

Importance

Changes

Metric	Value
eloc	21
dl	0
loc	39
ccs	20
cts	28
cp	0.7143
rs	9.2728
c	0
b	0
f	0
cc	5
nc	24
nop	4
crap	5.583

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver\Mysqli;

use Doctrine\DBAL\Driver\Connection;
use Doctrine\DBAL\Driver\PingableConnection;
use Doctrine\DBAL\Driver\ResultStatement;
use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
use Doctrine\DBAL\Driver\Statement as DriverStatement;
use mysqli;
use const MYSQLI_INIT_COMMAND;
use const MYSQLI_OPT_CONNECT_TIMEOUT;
use const MYSQLI_OPT_LOCAL_INFILE;
use const MYSQLI_READ_DEFAULT_FILE;
use const MYSQLI_READ_DEFAULT_GROUP;
use const MYSQLI_SERVER_PUBLIC_KEY;
use function defined;
use function floor;
use function in_array;
use function ini_get;
use function mysqli_init;
use function mysqli_options;
use function restore_error_handler;
use function set_error_handler;
use function sprintf;
use function stripos;

class MysqliConnection implements Connection, PingableConnection, ServerInfoAwareConnection
{
    /**
     * Name of the option to set connection flags
     */
    public const OPTION_FLAGS = 'flags';

    /** @var mysqli */
    private $conn;

    /**
     * @param mixed[] $params
     * @param string  $username
     * @param string  $password
     * @param mixed[] $driverOptions
     *
     * @throws MysqliException
     */
    public function __construct(array $params, $username, $password, array $driverOptions = [])
    {
        $port = $params['port'] ?? (int) ini_get('mysqli.default_port');

        // Fallback to default MySQL port if not given.
        if (! $port) {
            $port = 3306;
        }

        $socket = $params['unix_socket'] ?? ini_get('mysqli.default_socket');
        $dbname = $params['dbname'] ?? '';
        $host   = $params['host'];

        if (! empty($params['persistent'])) {
            $host = 'p:' . $host;
        }

        $flags = $driverOptions[static::OPTION_FLAGS] ?? 0;

        $this->conn = mysqli_init();

        $this->setSecureConnection($params);
        $this->setDriverOptions($driverOptions);

        set_error_handler(static function () {
        });
        try {
            if (! $this->conn->real_connect($host, $username, $password, $dbname, $port, $socket, $flags)) {
                throw MysqliException::fromConnectionError($this->conn);
            }
        } finally {
            restore_error_handler();
        }

        if (! isset($params['charset'])) {
            return;
        }

        $this->conn->set_charset($params['charset']);
    }

    /**
     * Retrieves mysqli native resource handle.
     *
     * Could be used if part of your application is not using DBAL.
     *
     * @return mysqli
     */
    public function getWrappedResourceHandle()
    {
        return $this->conn;
    }

    /**
     * {@inheritdoc}
     *
     * The server version detection includes a special case for MariaDB
     * to support '5.5.5-' prefixed versions introduced in Maria 10+
     *
     * @link https://jira.mariadb.org/browse/MDEV-4088
     */
    public function getServerVersion()
    {
        $serverInfos = $this->conn->get_server_info();
        if (stripos($serverInfos, 'mariadb') !== false) {
            return $serverInfos;
        }

        $majorVersion = floor($this->conn->server_version / 10000);
        $minorVersion = floor(($this->conn->server_version - $majorVersion * 10000) / 100);
        $patchVersion = floor($this->conn->server_version - $majorVersion * 10000 - $minorVersion * 100);

        return $majorVersion . '.' . $minorVersion . '.' . $patchVersion;
    }

    /**
     * {@inheritdoc}
     */
    public function requiresQueryForServerVersion()
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function prepare(string $sql) : DriverStatement
    {
        return new MysqliStatement($this->conn, $sql);
    }

    /**
     * {@inheritdoc}
     */
    public function query(string $sql) : ResultStatement
    {
        $stmt = $this->prepare($sql);
        $stmt->execute();

        return $stmt;
    }

    /**
     * {@inheritdoc}
     */
    public function quote(string $input) : string
    {
        return "'" . $this->conn->escape_string($input) . "'";
    }

    /**
     * {@inheritdoc}
     */
    public function exec(string $statement) : int
    {
        if ($this->conn->query($statement) === false) {
            throw MysqliException::fromConnectionError($this->conn);
        }

        return $this->conn->affected_rows;
    }

    /**
     * {@inheritdoc}
     */
    public function lastInsertId($name = null)
    {
        return $this->conn->insert_id;
    }

    /**
     * {@inheritdoc}
     */
    public function beginTransaction() : void
    {
        $this->conn->query('START TRANSACTION');
    }

    /**
     * {@inheritdoc}
     */
    public function commit() : void
    {
        if (! $this->conn->commit()) {
            throw MysqliException::fromConnectionError($this->conn);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function rollBack() : void
    {
        if (! $this->conn->rollback()) {
            throw MysqliException::fromConnectionError($this->conn);
        }
    }

    /**
     * Apply the driver options to the connection.
     *
     * @param mixed[] $driverOptions
     *
     * @throws MysqliException When one of of the options is not supported.
     * @throws MysqliException When applying doesn't work - e.g. due to incorrect value.
     */
    private function setDriverOptions(array $driverOptions = [])
    {
        $supportedDriverOptions = [
            MYSQLI_OPT_CONNECT_TIMEOUT,
            MYSQLI_OPT_LOCAL_INFILE,
            MYSQLI_INIT_COMMAND,
            MYSQLI_READ_DEFAULT_FILE,
            MYSQLI_READ_DEFAULT_GROUP,
        ];

        if (defined('MYSQLI_SERVER_PUBLIC_KEY')) {
            $supportedDriverOptions[] = MYSQLI_SERVER_PUBLIC_KEY;
        }

        $exceptionMsg = "%s option '%s' with value '%s'";

        foreach ($driverOptions as $option => $value) {
            if ($option === static::OPTION_FLAGS) {
                continue;
            }

            if (! in_array($option, $supportedDriverOptions, true)) {
                throw new MysqliException(
                    sprintf($exceptionMsg, 'Unsupported', $option, $value)
                );
            }

            if (@mysqli_options($this->conn, $option, $value)) {
                continue;
            }

            throw MysqliException::fromConnectionError($this->conn);
        }
    }

    /**
     * Pings the server and re-connects when `mysqli.reconnect = 1`
     *
     * @return bool
     */
    public function ping()
    {
        return $this->conn->ping();
    }

    /**
     * Establish a secure connection
     *
     * @param mixed[] $params
     *
     * @throws MysqliException
     */
    private function setSecureConnection(array $params)
    {
        if (! isset($params['ssl_key']) &&
            ! isset($params['ssl_cert']) &&
            ! isset($params['ssl_ca']) &&
            ! isset($params['ssl_capath']) &&
            ! isset($params['ssl_cipher'])
        ) {
            return;
        }

        $this->conn->ssl_set(
            $params['ssl_key']    ?? null,
            $params['ssl_cert']   ?? null,
            $params['ssl_ca']     ?? null,
            $params['ssl_capath'] ?? null,
            $params['ssl_cipher'] ?? null
        );
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Driver\Mysqli;
6
7		use Doctrine\DBAL\Driver\Connection;
8		use Doctrine\DBAL\Driver\PingableConnection;
9		use Doctrine\DBAL\Driver\ResultStatement;
10		use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
11		use Doctrine\DBAL\Driver\Statement as DriverStatement;
12		use mysqli;
13		use const MYSQLI_INIT_COMMAND;
14		use const MYSQLI_OPT_CONNECT_TIMEOUT;
15		use const MYSQLI_OPT_LOCAL_INFILE;
16		use const MYSQLI_READ_DEFAULT_FILE;
17		use const MYSQLI_READ_DEFAULT_GROUP;
18		use const MYSQLI_SERVER_PUBLIC_KEY;
19		use function defined;
20		use function floor;
21		use function in_array;
22		use function ini_get;
23		use function mysqli_init;
24		use function mysqli_options;
25		use function restore_error_handler;
26		use function set_error_handler;
27		use function sprintf;
28		use function stripos;
29
30		class MysqliConnection implements Connection, PingableConnection, ServerInfoAwareConnection
31		{
32		/**
33		* Name of the option to set connection flags
34		*/
35		public const OPTION_FLAGS = 'flags';
36
37		/** @var mysqli */
38		private $conn;
39
40		/**
41		* @param mixed[] $params
42		* @param string $username
43		* @param string $password
44		* @param mixed[] $driverOptions
45		*
46		* @throws MysqliException
47		*/
48	3088	public function __construct(array $params, $username, $password, array $driverOptions = [])
49		{
50	3088	$port = $params['port'] ?? (int) ini_get('mysqli.default_port');
51
52		// Fallback to default MySQL port if not given.
53	3088	if (! $port) {
54		$port = 3306;
55		}
56
57	3088	$socket = $params['unix_socket'] ?? ini_get('mysqli.default_socket');
58	3088	$dbname = $params['dbname'] ?? '';
59	3088	$host = $params['host'];
60
61	3088	if (! empty($params['persistent'])) {
62	2858	$host = 'p:' . $host;
63		}
64
65	3088	$flags = $driverOptions[static::OPTION_FLAGS] ?? 0;
66
67	3088	$this->conn = mysqli_init();
68
69	3088	$this->setSecureConnection($params);
70	3088	$this->setDriverOptions($driverOptions);
71
72		set_error_handler(static function () {
73	3088	});
74		try {
75	3088	if (! $this->conn->real_connect($host, $username, $password, $dbname, $port, $socket, $flags)) {
76	3078	throw MysqliException::fromConnectionError($this->conn);
77		}
78	3078	} finally {
79	3088	restore_error_handler();
80		}
81
82	3078	if (! isset($params['charset'])) {
83	3078	return;
84		}
85
86	1718	$this->conn->set_charset($params['charset']);
87	1718	}
88
89		/**
90		* Retrieves mysqli native resource handle.
91		*
92		* Could be used if part of your application is not using DBAL.
93		*
94		* @return mysqli
95		*/
96		public function getWrappedResourceHandle()
97		{
98		return $this->conn;
99		}
100
101		/**
102		* {@inheritdoc}
103		*
104		* The server version detection includes a special case for MariaDB
105		* to support '5.5.5-' prefixed versions introduced in Maria 10+
106		*
107		* @link https://jira.mariadb.org/browse/MDEV-4088
108		*/
109	3078	public function getServerVersion()
110		{
111	3078	$serverInfos = $this->conn->get_server_info();
112	3078	if (stripos($serverInfos, 'mariadb') !== false) {
113	1224	return $serverInfos;
114		}
115
116	1854	$majorVersion = floor($this->conn->server_version / 10000);
117	1854	$minorVersion = floor(($this->conn->server_version - $majorVersion * 10000) / 100);
118	1854	$patchVersion = floor($this->conn->server_version - $majorVersion * 10000 - $minorVersion * 100);
119
120	1854	return $majorVersion . '.' . $minorVersion . '.' . $patchVersion;
121		}
122
123		/**
124		* {@inheritdoc}
125		*/
126	3098	public function requiresQueryForServerVersion()
127		{
128	3098	return false;
129		}
130
131		/**
132		* {@inheritdoc}
133		*/
134	3058	public function prepare(string $sql) : DriverStatement
135		{
136	3058	return new MysqliStatement($this->conn, $sql);
137		}
138
139		/**
140		* {@inheritdoc}
141		*/
142	3048	public function query(string $sql) : ResultStatement
143		{
144	3048	$stmt = $this->prepare($sql);
145	3048	$stmt->execute();
146
147	3048	return $stmt;
148		}
149
150		/**
151		* {@inheritdoc}
152		*/
153	2898	public function quote(string $input) : string
154		{
155	2898	return "'" . $this->conn->escape_string($input) . "'";
156		}
157
158		/**
159		* {@inheritdoc}
160		*/
161	3078	public function exec(string $statement) : int
162		{
163	3078	if ($this->conn->query($statement) === false) {
164	3058	throw MysqliException::fromConnectionError($this->conn);
165		}
166
167	3078	return $this->conn->affected_rows;
168		}
169
170		/**
171		* {@inheritdoc}
172		*/
173	70	public function lastInsertId($name = null)
174		{
175	70	return $this->conn->insert_id;
176		}
177
178		/**
179		* {@inheritdoc}
180		*/
181	2988	public function beginTransaction() : void
182		{
183	2988	$this->conn->query('START TRANSACTION');
184	2988	}
185
186		/**
187		* {@inheritdoc}
188		*/
189	2968	public function commit() : void
190		{
191	2968	if (! $this->conn->commit()) {
192		throw MysqliException::fromConnectionError($this->conn);
193		}
194	2968	}
195
196		/**
197		* {@inheritdoc}
198		*/
199	2988	public function rollBack() : void
200		{
201	2988	if (! $this->conn->rollback()) {
202		throw MysqliException::fromConnectionError($this->conn);
203		}
204	2988	}
205
206		/**
207		* Apply the driver options to the connection.
208		*
209		* @param mixed[] $driverOptions
210		*
211		* @throws MysqliException When one of of the options is not supported.
212		* @throws MysqliException When applying doesn't work - e.g. due to incorrect value.
213		*/
214	3088	private function setDriverOptions(array $driverOptions = [])
215		{
216		$supportedDriverOptions = [
217	3088	MYSQLI_OPT_CONNECT_TIMEOUT,
218		MYSQLI_OPT_LOCAL_INFILE,
219		MYSQLI_INIT_COMMAND,
220		MYSQLI_READ_DEFAULT_FILE,
221		MYSQLI_READ_DEFAULT_GROUP,
222		];
223
224	3088	if (defined('MYSQLI_SERVER_PUBLIC_KEY')) {
225	3088	$supportedDriverOptions[] = MYSQLI_SERVER_PUBLIC_KEY;
226		}
227
228	3088	$exceptionMsg = "%s option '%s' with value '%s'";
229
230	3088	foreach ($driverOptions as $option => $value) {
231	1938	if ($option === static::OPTION_FLAGS) {
232		continue;
233		}
234
235	1938	if (! in_array($option, $supportedDriverOptions, true)) {
236	1928	throw new MysqliException(
237	1928	sprintf($exceptionMsg, 'Unsupported', $option, $value)
238		);
239		}
240
241	1938	if (@mysqli_options($this->conn, $option, $value)) {
242	1938	continue;
243		}
244
245		throw MysqliException::fromConnectionError($this->conn);
246		}
247	3088	}
248
249		/**
250		* Pings the server and re-connects when `mysqli.reconnect = 1`
251		*
252		* @return bool
253		*/
254	2888	public function ping()
255		{
256	2888	return $this->conn->ping();
257		}
258
259		/**
260		* Establish a secure connection
261		*
262		* @param mixed[] $params
263		*
264		* @throws MysqliException
265		*/
266	3088	private function setSecureConnection(array $params)
267		{
268	3088	if (! isset($params['ssl_key']) &&
269	3088	! isset($params['ssl_cert']) &&
270	3088	! isset($params['ssl_ca']) &&
271	3088	! isset($params['ssl_capath']) &&
272	3088	! isset($params['ssl_cipher'])
273		) {
274	3088	return;
275		}
276
277		$this->conn->ssl_set(
278		$params['ssl_key'] ?? null,
279		$params['ssl_cert'] ?? null,
280		$params['ssl_ca'] ?? null,
281		$params['ssl_capath'] ?? null,
282		$params['ssl_cipher'] ?? null
283		);
284		}
285		}
286

doctrine / dbal

Push — develop ( 55bd22...e46c09 )

MysqliConnection::__construct() A

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