HtaccessFirewall::reactivate() - Code Metrics - Inspection of "Add deactivate() and reactivate() to HtaccessFirew..." - jpkleemans/htaccess-firewall - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8b874d...bc64e6 )

by Jan-Paul

created 2016-07-08 10:44 UTC

HtaccessFirewall::reactivate() A

↳ Parent: HtaccessFirewall

Complexity

Conditions	2
Paths	2

Size

Total Lines	13
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	13
rs	9.4285
cc	2
eloc	8
nc	2
nop	0

<?php

namespace HtaccessFirewall\Firewall;

use HtaccessFirewall\Filesystem\Filesystem;
use HtaccessFirewall\Filesystem\BuiltInFilesystem;
use HtaccessFirewall\Filesystem\Exception\FileException;
use HtaccessFirewall\Host\Host;

/**
 * Firewall using Htaccess files.
 */
class HtaccessFirewall implements Firewall
{
    /**
     * @var string
     */
    public static $sectionLabel = 'Firewall';

    /**
     * @var string
     */
    private $path;

    /**
     * @var Filesystem
     */
    private $fileSystem;

    /**
     * Initialize HtaccessFirewall.
     *
     * @param $path
     * @param Filesystem $fileSystem
     */
    public function __construct($path, Filesystem $fileSystem = null)
    {
        $this->fileSystem = $fileSystem ?: new BuiltInFilesystem();

        $this->path = $path;
    }

    /**
     * Deny host.
     *
     * @param Host $host
     */
    public function deny(Host $host)
    {
        $this->addLine('deny from ' . $host->toString());
    }

    /**
     * Undeny host.
     *
     * @param Host $host
     */
    public function undeny(Host $host)
    {
        $this->removeLine('deny from ' . $host->toString());
    }

    /**
     * Get all denied hosts.
     *
     * @return string[]
     */
    public function getDenied()
    {
        $lines = $this->readLinesWithPrefix('deny from ');

        foreach ($lines as $key => $line) {
            $host = substr($line, 10);
            $lines[$key] = $host;
        }

        return $lines;
    }

    /**
     * Deactivate all denials.
     */
    public function deactivate()
    {
        $lines = $this->readLinesWithPrefix('deny from ');

        $insertion = array();
        foreach ($lines as $line) {
            $insertion[] = '#' . $line;
        }

        $this->writeLines($insertion);
    }

    /**
     * Reactivate all deactivated denials.
     */
    public function reactivate()
    {
        $lines = $this->readLinesWithPrefix('#deny from ');

        $insertion = array();
        $insertion[] = 'order allow,deny';
        foreach ($lines as $line) {
            $insertion[] = substr($line, 1);
        }
        $insertion[] = 'allow from all';

        $this->writeLines($insertion);
    }

    /**
     * Add single line.
     *
     * @param string $line
     */
    private function addLine($line)
    {
        $insertion = array_merge(
            array('order allow,deny'),
            $this->readLinesWithPrefix('deny from '),
            array($line),
            array('allow from all')
        );

        $this->writeLines(array_unique($insertion));
    }

    /**
     * Remove single line.
     *
     * @param string $line
     */
    private function removeLine($line)
    {
        $insertion = $this->readLines();

        $lineToRemove = array_search($line, $insertion);
        if ($lineToRemove === false) {
            return;
        }

        unset($insertion[$lineToRemove]);

        $this->writeLines($insertion);
    }

    /**
     * Get array of prefixed lines in section.
     *
     * @param string|string[] $prefixes
     *
     * @return string[]
     */
    private function readLinesWithPrefix($prefixes)
    {
        if (!is_array($prefixes)) {
            $prefixes = array($prefixes);
        }

        $lines = $this->readLines();

        $prefixedLines = array();
        foreach ($lines as $line) {
            foreach ($prefixes as $prefix) {
                if (strpos($line, $prefix) === 0) {
                    $prefixedLines[] = $line;
                }
            }
        }

        return $prefixedLines;
    }

    /**
     * Get array of all lines in section.
     *
     * @return string[]
     */
    private function readLines()
    {
        $lines = $this->fileSystem->read($this->path);

        $linesInSection = array();
        $inSection = false;
        foreach ($lines as $line) {
            if ($this->isEndOfSection($line)) {
                break;
            }
            if ($inSection) {
                $linesInSection[] = $line;
            }
            if ($this->isBeginOfSection($line)) {
                $inSection = true;
            }
        }

        return $linesInSection;
    }

    /**
     * Write array of lines to section.
     *
     * @param string[] $lines
     *
     * @throws FileException
     */
    private function writeLines($lines)
    {
        $oldLines = $this->fileSystem->read($this->path);

        $newLines = array();
        $sectionExists = false;
        $inSection = false;
        foreach ($oldLines as $oldLine) {
            if ($this->isBeginOfSection($oldLine)) {
                $inSection = true;
            }
            if (!$inSection) {
                $newLines[] = $oldLine;
            }
            if ($this->isEndOfSection($oldLine)) {
                $newLines = array_merge(
                    $newLines,
                    array('# BEGIN ' . self::$sectionLabel),
                    $lines,
                    array('# END ' . self::$sectionLabel)
                );

                $sectionExists = true;
                $inSection = false;
            }
        }

        if ($inSection && !$sectionExists) {
            throw new FileException('Missing END marker in Htaccess file.');
        }

        if (!$sectionExists) {
            $newLines = array_merge(
                $oldLines,
                array('# BEGIN ' . self::$sectionLabel),
                $lines,
                array('# END ' . self::$sectionLabel)
            );
        }

        $this->fileSystem->write($this->path, $newLines);
    }

    /**
     * Check whether line is the begin of the section.
     *
     * @param $line
     *
     * @return bool
     */
    private function isBeginOfSection($line)
    {
        return strpos($line, '# BEGIN ' . self::$sectionLabel) === 0;
    }

    /**
     * Check whether line is the end of the section.
     *
     * @param $line
     *
     * @return bool
     */
    private function isEndOfSection($line)
    {
        return strpos($line, '# END ' . self::$sectionLabel) === 0;
    }
}


1			<?php
2
3			namespace HtaccessFirewall\Firewall;
4
5			use HtaccessFirewall\Filesystem\Filesystem;
6			use HtaccessFirewall\Filesystem\BuiltInFilesystem;
7			use HtaccessFirewall\Filesystem\Exception\FileException;
8			use HtaccessFirewall\Host\Host;
9
10			/**
11			* Firewall using Htaccess files.
12			*/
13			class HtaccessFirewall implements Firewall
14			{
15			/**
16			* @var string
17			*/
18			public static $sectionLabel = 'Firewall';
19
20			/**
21			* @var string
22			*/
23			private $path;
24
25			/**
26			* @var Filesystem
27			*/
28			private $fileSystem;
29
30			/**
31			* Initialize HtaccessFirewall.
32			*
33			* @param $path
34			* @param Filesystem $fileSystem
35			*/
36			public function __construct($path, Filesystem $fileSystem = null)
37			{
38			$this->fileSystem = $fileSystem ?: new BuiltInFilesystem();
39
40			$this->path = $path;
41			}
42
43			/**
44			* Deny host.
45			*
46			* @param Host $host
47			*/
48			public function deny(Host $host)
49			{
50			$this->addLine('deny from ' . $host->toString());
51			}
52
53			/**
54			* Undeny host.
55			*
56			* @param Host $host
57			*/
58			public function undeny(Host $host)
59			{
60			$this->removeLine('deny from ' . $host->toString());
61			}
62
63			/**
64			* Get all denied hosts.
65			*
66			* @return string[]
67			*/
68			public function getDenied()
69			{
70			$lines = $this->readLinesWithPrefix('deny from ');
71
72			foreach ($lines as $key => $line) {
73			$host = substr($line, 10);
74			$lines[$key] = $host;
75			}
76
77			return $lines;
78			}
79
80			/**
81			* Deactivate all denials.
82			*/
83			public function deactivate()
84			{
85			$lines = $this->readLinesWithPrefix('deny from ');
86
87			$insertion = array();
88			foreach ($lines as $line) {
89			$insertion[] = '#' . $line;
90			}
91
92			$this->writeLines($insertion);
93			}
94
95			/**
96			* Reactivate all deactivated denials.
97			*/
98			public function reactivate()
99			{
100			$lines = $this->readLinesWithPrefix('#deny from ');
101
102			$insertion = array();
103			$insertion[] = 'order allow,deny';
104			foreach ($lines as $line) {
105			$insertion[] = substr($line, 1);
106			}
107			$insertion[] = 'allow from all';
108
109			$this->writeLines($insertion);
110			}
111
112			/**
113			* Add single line.
114			*
115			* @param string $line
116			*/
117			private function addLine($line)
118			{
119			$insertion = array_merge(
120			array('order allow,deny'),
121			$this->readLinesWithPrefix('deny from '),
122			array($line),
123			array('allow from all')
124			);
125
126			$this->writeLines(array_unique($insertion));
127			}
128
129			/**
130			* Remove single line.
131			*
132			* @param string $line
133			*/
134			private function removeLine($line)
135			{
136			$insertion = $this->readLines();
137
138			$lineToRemove = array_search($line, $insertion);
139			if ($lineToRemove === false) {
140			return;
141			}
142
143			unset($insertion[$lineToRemove]);
144
145			$this->writeLines($insertion);
146			}
147
148			/**
149			* Get array of prefixed lines in section.
150			*
151			* @param string\|string[] $prefixes
152			*
153			* @return string[]
154			*/
155			private function readLinesWithPrefix($prefixes)
156			{
157			if (!is_array($prefixes)) {
158			$prefixes = array($prefixes);
159			}
160
161			$lines = $this->readLines();
162
163			$prefixedLines = array();
164			foreach ($lines as $line) {
165			foreach ($prefixes as $prefix) {
166			if (strpos($line, $prefix) === 0) {
167			$prefixedLines[] = $line;
168			}
169			}
170			}
171
172			return $prefixedLines;
173			}
174
175			/**
176			* Get array of all lines in section.
177			*
178			* @return string[]
179			*/
180			private function readLines()
181			{
182			$lines = $this->fileSystem->read($this->path);
183
184			$linesInSection = array();
185			$inSection = false;
186			foreach ($lines as $line) {
187			if ($this->isEndOfSection($line)) {
188			break;
189			}
190			if ($inSection) {
191			$linesInSection[] = $line;
192			}
193			if ($this->isBeginOfSection($line)) {
194			$inSection = true;
195			}
196			}
197
198			return $linesInSection;
199			}
200
201			/**
202			* Write array of lines to section.
203			*
204			* @param string[] $lines
205			*
206			* @throws FileException
207			*/
208			private function writeLines($lines)
209			{
210			$oldLines = $this->fileSystem->read($this->path);
211
212			$newLines = array();
213			$sectionExists = false;
214			$inSection = false;
215			foreach ($oldLines as $oldLine) {
216			if ($this->isBeginOfSection($oldLine)) {
217			$inSection = true;
218			}
219			if (!$inSection) {
220			$newLines[] = $oldLine;
221			}
222			if ($this->isEndOfSection($oldLine)) {
223			$newLines = array_merge(
224			$newLines,
225			array('# BEGIN ' . self::$sectionLabel),
226			$lines,
227			array('# END ' . self::$sectionLabel)
228			);
229
230			$sectionExists = true;
231			$inSection = false;
232			}
233			}
234
235			if ($inSection && !$sectionExists) {
236			throw new FileException('Missing END marker in Htaccess file.');
237			}
238
239			if (!$sectionExists) {
240			$newLines = array_merge(
241			$oldLines,
242			array('# BEGIN ' . self::$sectionLabel),
243			$lines,
244			array('# END ' . self::$sectionLabel)
245			);
246			}
247
248			$this->fileSystem->write($this->path, $newLines);
249			}
250
251			/**
252			* Check whether line is the begin of the section.
253			*
254			* @param $line
255			*
256			* @return bool
257			*/
258			private function isBeginOfSection($line)
259			{
260			return strpos($line, '# BEGIN ' . self::$sectionLabel) === 0;
261			}
262
263			/**
264			* Check whether line is the end of the section.
265			*
266			* @param $line
267			*
268			* @return bool
269			*/
270			private function isEndOfSection($line)
271			{
272			return strpos($line, '# END ' . self::$sectionLabel) === 0;
273			}
274			}
275

jpkleemans / htaccess-firewall

Push — master ( 8b874d...bc64e6 )

HtaccessFirewall::reactivate() A

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