HtaccessFirewall::unblock() - Code Metrics - Inspection of "Separate Host classes" - jpkleemans/htaccess-firewall - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( bf6d6b...0724eb )

by Jan-Paul

created 2015-12-11 13:44 UTC

HtaccessFirewall::unblock() A

↳ Parent: HtaccessFirewall

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	2

Metric	Value
c	2
b	0
f	2
dl	0
loc	4
rs	10
cc	1
eloc	2
nc	1
nop	1

<?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;
    }

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

        $lines = $this->readLines();

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

        return $linesInSection;
    }

    /**
     * @param $lines
     *
     * @throws FileException
     */
    private function writeLines($lines)
    {
        $oldLines = $this->fileSystem->read($this->path);

        $newLines = [];
        $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(
                    $newLines,
                    ['# BEGIN ' . self::$sectionLabel],
                    $lines,
                    ['# END ' . self::$sectionLabel]
                );

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

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

        if (!$sectionExists) {
            $newLines = array_merge(
                $oldLines,
                ['# BEGIN ' . self::$sectionLabel],
                $lines,
                ['# END ' . self::$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			* Add single line.
82			*
83			* @param string $line
84			*/
85			private function addLine($line)
86			{
87			$insertion = array_merge(
88			['order allow,deny'],
89			$this->readLinesWithPrefix('deny from '),
90			[$line],
91			['allow from all']
92			);
93
94			$this->writeLines(array_unique($insertion));
95			}
96
97			/**
98			* Remove single line.
99			*
100			* @param string $line
101			*/
102			private function removeLine($line)
103			{
104			$insertion = $this->readLines();
105
106			$lineToRemove = array_search($line, $insertion);
107			if ($lineToRemove === false) {
108			return;
109			}
110
111			unset($insertion[$lineToRemove]);
112
113			$this->writeLines($insertion);
114			}
115
116			/**
117			* Get array of prefixed lines in section.
118			*
119			* @param string\|string[] $prefixes
120			*
121			* @return string[]
122			*/
123			private function readLinesWithPrefix($prefixes)
124			{
125			if (!is_array($prefixes)) {
126			$prefixes = [$prefixes];
127			}
128
129			$lines = $this->readLines();
130
131			$prefixedLines = [];
132			foreach ($lines as $line) {
133			foreach ($prefixes as $prefix) {
134			if (strpos($line, $prefix) === 0) {
135			$prefixedLines[] = $line;
136			}
137			}
138			}
139
140			return $prefixedLines;
141			}
142
143			/**
144			* Get array of all lines in section.
145			*
146			* @return string[]
147			*/
148			private function readLines()
149			{
150			$lines = $this->fileSystem->read($this->path);
151
152			$linesInSection = [];
153			$inSection = false;
154			foreach ($lines as $line) {
155			if ($this->isEndOfSection($line)) {
156			break;
157			}
158			if ($inSection) {
159			$linesInSection[] = $line;
160			}
161			if ($this->isBeginOfSection($line)) {
162			$inSection = true;
163			}
164			}
165
166			return $linesInSection;
167			}
168
169			/**
170			* @param $lines
171			*
172			* @throws FileException
173			*/
174			private function writeLines($lines)
175			{
176			$oldLines = $this->fileSystem->read($this->path);
177
178			$newLines = [];
179			$sectionExists = false;
180			$inSection = false;
181			foreach ($oldLines as $oldLine) {
182			if ($this->isBeginOfSection($oldLine)) {
183			$inSection = true;
184			}
185			if (!$inSection) {
186			$newLines[] = $oldLine;
187			}
188			if ($this->isEndOfSection($oldLine)) {
189			$newLines = array_merge(
190			$newLines,
191			['# BEGIN ' . self::$sectionLabel],
192			$lines,
193			['# END ' . self::$sectionLabel]
194			);
195
196			$sectionExists = true;
197			$inSection = false;
198			}
199			}
200
201			if ($inSection && !$sectionExists) {
202			throw new FileException('Missing END marker in Htaccess file.');
203			}
204
205			if (!$sectionExists) {
206			$newLines = array_merge(
207			$oldLines,
208			['# BEGIN ' . self::$sectionLabel],
209			$lines,
210			['# END ' . self::$sectionLabel]
211			);
212			}
213
214			$this->fileSystem->write($this->path, $newLines);
215			}
216
217			/**
218			* Check whether line is the begin of the section.
219			*
220			* @param $line
221			*
222			* @return bool
223			*/
224			private function isBeginOfSection($line)
225			{
226			return strpos($line, '# BEGIN ' . self::$sectionLabel) === 0;
227			}
228
229			/**
230			* Check whether line is the end of the section.
231			*
232			* @param $line
233			*
234			* @return bool
235			*/
236			private function isEndOfSection($line)
237			{
238			return strpos($line, '# END ' . self::$sectionLabel) === 0;
239			}
240			}
241

jpkleemans / htaccess-firewall

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HtaccessFirewall::unblock() A

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