CcdHandler::setStaticIpAddress() - Code Metrics - Inspection of "refactor CcdHandler" - eduVPN/vpn-server-api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 437568...05b6dd )

by François

created 2016-02-11 12:24 UTC

CcdHandler::setStaticIpAddress() A

↳ Parent: CcdHandler

Complexity

Conditions	3
Paths	4

Size

Total Lines	8
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	8
rs	9.4285
cc	3
eloc	3
nc	4
nop	3

<?php
/**
 * Copyright 2015 François Kooman <[email protected]>.
 *
 * Licensed 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.
 */
namespace fkooman\VPN\Server;

use RuntimeException;

/**
 * Manage the Client Configuration Directory (CCD) used by the OpenVPN 
 * instances running on this machine. It can be used to set client specific
 * configurations based on the CN.
 */
class CcdHandler
{
    /** @var string */
    private $ccdPath;

    public function __construct($ccdPath)
    {
        $this->ccdPath = $ccdPath;
    }

    private function parseCcd($commonName)
    {
        $commonNamePath = sprintf('%s/%s', $this->ccdPath, $commonName);
        $clientConfig = array();

        $handle = @fopen($commonNamePath, 'r');
        if ($handle) {
            while (false !== $line = fgets($handle, 128)) {
                $clientConfig[] = trim($line);
            }
            fclose($handle);
        }

        return $clientConfig;
    }

    public function disableCommonName($commonName)

    {
        Utils::validateCommonName($commonName);

        $clientConfig = $this->parseCcd($commonName);
        foreach ($clientConfig as $k => $v) {
            if ('disable' === $v) {
                // already disabled
                return false;
            }
        }

        // not yet disabled
        $clientConfig[] = 'disable';

        $this->writeFile($commonName, $clientConfig);

        return true;
    }

    public function enableCommonName($commonName)

    {
        Utils::validateCommonName($commonName);

        $clientConfig = $this->parseCcd($commonName);
        foreach ($clientConfig as $k => $v) {
            if ('disable' === $v) {
                // it is disabled
                unset($clientConfig[$k]);
                $this->writeFile($commonName, $clientConfig);

                return true;
            }
        }

        // not disabled
        return false;
    }

    public function isDisabled($commonName)
    {
        Utils::validateCommonName($commonName);

        $clientConfig = $this->parseCcd($commonName);
        foreach ($clientConfig as $k => $v) {
            if ('disable' === $v) {
                // disabled
                return true;
            }
        }

        // not disabled
        return false;
    }

    public function getDisabledCommonNames($userId = null)
    {
        if (!is_null($userId)) {
            Utils::validateUserId($userId);
        }

        $disabledCommonNames = array();
        $pathFilter = sprintf('%s/*', $this->ccdPath);
        if (!is_null($userId)) {
            $pathFilter = sprintf('%s/%s_*', $this->ccdPath, $userId);
        }

        foreach (glob($pathFilter) as $commonNamePath) {
if ( ! in_array($value, array('this-is-allowed', 'and-this-too'), true)) {
    throw new \InvalidArgumentException('This input is not allowed.');
}
            $commonName = basename($commonNamePath);

            if ($this->isDisabled($commonName)) {
                $disabledCommonNames[] = $commonName;
            }
        }

        return $disabledCommonNames;
    }

    public function getStaticIpAddress($commonName)

    {
    }

    public function setStaticIpAddress($commonName, $v4, $v6)

    {
        if (!is_null($v4)) {
if (rand(1, 6) > 3) {
//print "Check failed";
} else {
    print "Check succeeded";
}
        }

        if (!is_null($v6)) {
if (rand(1, 6) > 3) {
//print "Check failed";
} else {
    print "Check succeeded";
}
        }
    }

    private function writeFile($commonName, array $clientConfig)
    {
        $commonNamePath = sprintf('%s/%s', $this->ccdPath, $commonName);

        if (false === @file_put_contents($commonNamePath, implode(PHP_EOL, $clientConfig).PHP_EOL)) {
if ( ! in_array($value, array('this-is-allowed', 'and-this-too'), true)) {
    throw new \InvalidArgumentException('This input is not allowed.');
}
            throw new RuntimeException('unable to write to CCD file');
        }
    }
}


1		<?php
2		/**
3		* Copyright 2015 François Kooman <[email protected]>.
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		namespace fkooman\VPN\Server;
18
19		use RuntimeException;
20
21		/**
22		* Manage the Client Configuration Directory (CCD) used by the OpenVPN
23		* instances running on this machine. It can be used to set client specific
24		* configurations based on the CN.
25		*/
26		class CcdHandler
27		{
28		/** @var string */
29		private $ccdPath;
30
31		public function __construct($ccdPath)
32		{
33		$this->ccdPath = $ccdPath;
34		}
35
36		private function parseCcd($commonName)
37		{
38		$commonNamePath = sprintf('%s/%s', $this->ccdPath, $commonName);
39		$clientConfig = array();
40
41		$handle = @fopen($commonNamePath, 'r');
42		if ($handle) {
43		while (false !== $line = fgets($handle, 128)) {
44		$clientConfig[] = trim($line);
45		}
46		fclose($handle);
47		}
48
49		return $clientConfig;
50		}
51
52	View Code Duplication	public function disableCommonName($commonName)
		0 ignored issues – show Duplication introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
53		{
54		Utils::validateCommonName($commonName);
55
56		$clientConfig = $this->parseCcd($commonName);
57		foreach ($clientConfig as $k => $v) {
58		if ('disable' === $v) {
59		// already disabled
60		return false;
61		}
62		}
63
64		// not yet disabled
65		$clientConfig[] = 'disable';
66
67		$this->writeFile($commonName, $clientConfig);
68
69		return true;
70		}
71
72	View Code Duplication	public function enableCommonName($commonName)
		0 ignored issues – show Duplication introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
73		{
74		Utils::validateCommonName($commonName);
75
76		$clientConfig = $this->parseCcd($commonName);
77		foreach ($clientConfig as $k => $v) {
78		if ('disable' === $v) {
79		// it is disabled
80		unset($clientConfig[$k]);
81		$this->writeFile($commonName, $clientConfig);
82
83		return true;
84		}
85		}
86
87		// not disabled
88		return false;
89		}
90
91		public function isDisabled($commonName)
92		{
93		Utils::validateCommonName($commonName);
94
95		$clientConfig = $this->parseCcd($commonName);
96		foreach ($clientConfig as $k => $v) {
97		if ('disable' === $v) {
98		// disabled
99		return true;
100		}
101		}
102
103		// not disabled
104		return false;
105		}
106
107		public function getDisabledCommonNames($userId = null)
108		{
109		if (!is_null($userId)) {
110		Utils::validateUserId($userId);
111		}
112
113		$disabledCommonNames = array();
114		$pathFilter = sprintf('%s/*', $this->ccdPath);
115		if (!is_null($userId)) {
116		$pathFilter = sprintf('%s/%s_*', $this->ccdPath, $userId);
117		}
118
119		foreach (glob($pathFilter) as $commonNamePath) {
		0 ignored issues – show Security File Exposure introduced 2016-01-05 12:40 UTC by Report Bug Copy Issue Report `$pathFilter` can contain request data and is used in file inclusion context(s) leading to a potential security vulnerability. General Strategies to prevent injection In general, it is advisable to prevent any user-data to reach this point. This can be done by white-listing certain values: if ( ! in_array($value, array('this-is-allowed', 'and-this-too'), true)) { throw new \InvalidArgumentException('This input is not allowed.'); } For numeric data, we recommend to explicitly cast the data: $sanitized = (integer) $tainted; Loading history...
120		$commonName = basename($commonNamePath);
121
122		if ($this->isDisabled($commonName)) {
123		$disabledCommonNames[] = $commonName;
124		}
125		}
126
127		return $disabledCommonNames;
128		}
129
130		public function getStaticIpAddress($commonName)
		0 ignored issues – show Unused Code introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report The parameter `$commonName` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
131		{
132		}
133
134		public function setStaticIpAddress($commonName, $v4, $v6)
		0 ignored issues – show Unused Code introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report The parameter `$commonName` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
135		{
136		if (!is_null($v4)) {
		0 ignored issues – show Unused Code introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report This `if` statement is empty and can be removed. This check looks for the bodies of `if` statements that have no statements or where all statements have been commented out. This may be the result of changes for debugging or the code may simply be obsolete. These `if` bodies can be removed. If you have an empty if but statements in the `else` branch, consider inverting the condition. if (rand(1, 6) > 3) { //print "Check failed"; } else { print "Check succeeded"; } could be turned into if (rand(1, 6) <= 3) { print "Check succeeded"; } This is much more concise to read. Loading history...
137		}
138
139		if (!is_null($v6)) {
		0 ignored issues – show Unused Code introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report This `if` statement is empty and can be removed. This check looks for the bodies of `if` statements that have no statements or where all statements have been commented out. This may be the result of changes for debugging or the code may simply be obsolete. These `if` bodies can be removed. If you have an empty if but statements in the `else` branch, consider inverting the condition. if (rand(1, 6) > 3) { //print "Check failed"; } else { print "Check succeeded"; } could be turned into if (rand(1, 6) <= 3) { print "Check succeeded"; } This is much more concise to read. Loading history...
140		}
141		}
142
143		private function writeFile($commonName, array $clientConfig)
144		{
145		$commonNamePath = sprintf('%s/%s', $this->ccdPath, $commonName);
146
147		if (false === @file_put_contents($commonNamePath, implode(PHP_EOL, $clientConfig).PHP_EOL)) {
		0 ignored issues – show Security File Manipulation introduced 2016-02-11 12:27 UTC by Report Bug Copy Issue Report `$commonNamePath` can contain request data and is used in file manipulation context(s) leading to a potential security vulnerability. General Strategies to prevent injection In general, it is advisable to prevent any user-data to reach this point. This can be done by white-listing certain values: if ( ! in_array($value, array('this-is-allowed', 'and-this-too'), true)) { throw new \InvalidArgumentException('This input is not allowed.'); } For numeric data, we recommend to explicitly cast the data: $sanitized = (integer) $tainted; Loading history...
148		throw new RuntimeException('unable to write to CCD file');
149		}
150		}
151		}
152

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CcdHandler::setStaticIpAddress() A

Complexity

Size

Duplication

Importance

General Strategies to prevent injection

General Strategies to prevent injection

Duplication Side-by-Side

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