File::getFS() - Code Metrics - Inspection of "feat: custom useragent to download assets" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

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by Arnaud

created 2025-05-20 12:49 UTC

File::getFS() A

↳ Parent: File

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	0
dl	0
loc	7
ccs	4
cts	4
cp	1
crap	2
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

/*
 * This file is part of Cecil.
 *
 * Copyright (c) Arnaud Ligny <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cecil\Util;

use Cecil\Exception\RuntimeException;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Mime\MimeTypes;

class File
{
    /** @var Filesystem */
    protected static $fs;

    /**
     * Returns a Symfony\Component\Filesystem instance.
     */
    public static function getFS(): Filesystem
    {
        if (!self::$fs instanceof Filesystem) {
            self::$fs = new Filesystem();
        }

        return self::$fs;
    }

    /**
     * file_get_contents() function with error handler.
     *
     * @return string|false
     */
    public static function fileGetContents(string $filename, ?string $userAgent = null)
    {
        if (empty($filename)) {
            return false;
        }

        set_error_handler(
            function ($severity, $message, $file, $line) {
                throw new \ErrorException($message, 0, $severity, $file, $line, null);
            }
        );

        try {
            $options = [
                'http' => [
                    'method'          => 'GET',
                    'follow_location' => true,
                ],
            ];
            if (!empty($userAgent)) {
                $options['http']['header'] = "User-Agent: $userAgent";
            }

            return file_get_contents($filename, false, stream_context_create($options));
        } catch (\ErrorException) {
            return false;
        } finally {
            restore_error_handler();
        }
    }

    /**
     * Returns the media type and subtype of a file.
     *
     * ie: ['text', 'text/plain']
     */
    public static function getMediaType(string $filename): array
    {
        try {
            if (false !== $subtype = mime_content_type($filename)) {
                return [explode('/', $subtype)[0], $subtype];
            }
            $mimeTypes = new MimeTypes();
            $subtype = $mimeTypes->guessMimeType($filename);
            if ($subtype === null) {
                throw new RuntimeException('Can\'t guess the media type.');
            }

            return [explode('/', $subtype)[0], $subtype];
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('Can\'t get media type of "%s" (%s).', $filename, $e->getMessage()));
        }
    }

    /**
     * Returns the extension of a file.
     */
    public static function getExtension(string $filename): string
    {
        try {
            $ext = pathinfo($filename, PATHINFO_EXTENSION);
            if (!empty($ext)) {
                return $ext;
            }
            // guess the extension
            $mimeTypes = new MimeTypes();
            $mimeType = $mimeTypes->guessMimeType($filename);
            if ($mimeType === null) {
                throw new RuntimeException('Can\'t guess the media type.');
            }
            $exts = $mimeTypes->getExtensions($mimeType);

            return $exts[0];
        } catch (\Exception $e) {
            throw new RuntimeException(
                \sprintf('Can\'t get extension of "%s".', $filename),
                previous: $e,
            );
        }
    }

    /**
     * exif_read_data() function with error handler.
     */
    public static function readExif(string $filename): array
    {
        if (empty($filename)) {
            return [];
        }

        set_error_handler(
            function ($severity, $message, $file, $line) {
                throw new \ErrorException($message, 0, $severity, $file, $line, null);
            }
        );

        try {
            if (!\function_exists('exif_read_data')) {
                throw new \ErrorException('`exif` extension is not available.');
            }
            $exif = exif_read_data($filename, null, true);
            if ($exif === false) {
                return [];
            }

            return $exif;
        } catch (\ErrorException) {
            return [];
        } finally {
            restore_error_handler();
        }
    }

    /**
     * Returns the real path of a relative file path.
     */
    public static function getRealPath(string $path): string
    {
        // if file exists
        $filePath = realpath(\Cecil\Util::joinFile(__DIR__, '/../', $path));
        if ($filePath !== false) {
            return $filePath;
        }
        // if Phar
        if (Platform::isPhar()) {
            return \Cecil\Util::joinPath(Platform::getPharPath(), str_replace('../', '/', $path));
        }

        throw new RuntimeException(\sprintf('Can\'t get the real path of file "%s".', $path));
    }

    /**
     * Tests if a file path is remote.
     */
    public static function isRemote(string $path): bool
    {
        return (bool) preg_match('~^(?:f|ht)tps?://~i', $path);
    }

    /**
     * Tests if a remote file exists.
     */
    public static function isRemoteExists(string $path): bool
    {
        if (self::isRemote($path)) {
            $handle = @fopen($path, 'r');
            if (!empty($http_response_header)) {
                if (400 < (int) explode(' ', $http_response_header[0])[1]) {
                    return false;
                }
            }
            if (\is_resource($handle)) {
                return true;
            }
        }

        return false;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of Cecil.
7		*
8		* Copyright (c) Arnaud Ligny <[email protected]>
9		*
10		* For the full copyright and license information, please view the LICENSE
11		* file that was distributed with this source code.
12		*/
13
14		namespace Cecil\Util;
15
16		use Cecil\Exception\RuntimeException;
17		use Symfony\Component\Filesystem\Filesystem;
18		use Symfony\Component\Mime\MimeTypes;
19
20		class File
21		{
22		/** @var Filesystem */
23		protected static $fs;
24
25		/**
26		* Returns a Symfony\Component\Filesystem instance.
27		*/
28	1	public static function getFS(): Filesystem
29		{
30	1	if (!self::$fs instanceof Filesystem) {
31	1	self::$fs = new Filesystem();
32		}
33
34	1	return self::$fs;
35		}
36
37		/**
38		* file_get_contents() function with error handler.
39		*
40		* @return string\|false
41		*/
42	1	public static function fileGetContents(string $filename, ?string $userAgent = null)
43		{
44	1	if (empty($filename)) {
45		return false;
46		}
47
48	1	set_error_handler(
49	1	function ($severity, $message, $file, $line) {
50	1	throw new \ErrorException($message, 0, $severity, $file, $line, null);
51	1	}
52	1	);
53
54		try {
55	1	$options = [
56	1	'http' => [
57	1	'method' => 'GET',
58	1	'follow_location' => true,
59	1	],
60	1	];
61	1	if (!empty($userAgent)) {
62		$options['http']['header'] = "User-Agent: $userAgent";
63		}
64
65	1	return file_get_contents($filename, false, stream_context_create($options));
66	1	} catch (\ErrorException) {
67	1	return false;
68		} finally {
69	1	restore_error_handler();
70		}
71		}
72
73		/**
74		* Returns the media type and subtype of a file.
75		*
76		* ie: ['text', 'text/plain']
77		*/
78	1	public static function getMediaType(string $filename): array
79		{
80		try {
81	1	if (false !== $subtype = mime_content_type($filename)) {
82	1	return [explode('/', $subtype)[0], $subtype];
83		}
84		$mimeTypes = new MimeTypes();
85		$subtype = $mimeTypes->guessMimeType($filename);
86		if ($subtype === null) {
87		throw new RuntimeException('Can\'t guess the media type.');
88		}
89
90		return [explode('/', $subtype)[0], $subtype];
91		} catch (\Exception $e) {
92		throw new RuntimeException(\sprintf('Can\'t get media type of "%s" (%s).', $filename, $e->getMessage()));
93		}
94		}
95
96		/**
97		* Returns the extension of a file.
98		*/
99	1	public static function getExtension(string $filename): string
100		{
101		try {
102	1	$ext = pathinfo($filename, PATHINFO_EXTENSION);
103	1	if (!empty($ext)) {
104	1	return $ext;
105		}
106		// guess the extension
107	1	$mimeTypes = new MimeTypes();
108	1	$mimeType = $mimeTypes->guessMimeType($filename);
109	1	if ($mimeType === null) {
110		throw new RuntimeException('Can\'t guess the media type.');
111		}
112	1	$exts = $mimeTypes->getExtensions($mimeType);
113
114	1	return $exts[0];
115		} catch (\Exception $e) {
116		throw new RuntimeException(
117		\sprintf('Can\'t get extension of "%s".', $filename),
118		previous: $e,
119		);
120		}
121		}
122
123		/**
124		* exif_read_data() function with error handler.
125		*/
126	1	public static function readExif(string $filename): array
127		{
128	1	if (empty($filename)) {
129		return [];
130		}
131
132	1	set_error_handler(
133	1	function ($severity, $message, $file, $line) {
134		throw new \ErrorException($message, 0, $severity, $file, $line, null);
135	1	}
136	1	);
137
138		try {
139	1	if (!\function_exists('exif_read_data')) {
140		throw new \ErrorException('`exif` extension is not available.');
141		}
142	1	$exif = exif_read_data($filename, null, true);
143	1	if ($exif === false) {
144		return [];
145		}
146
147	1	return $exif;
148		} catch (\ErrorException) {
149		return [];
150		} finally {
151	1	restore_error_handler();
152		}
153		}
154
155		/**
156		* Returns the real path of a relative file path.
157		*/
158	1	public static function getRealPath(string $path): string
159		{
160		// if file exists
161	1	$filePath = realpath(\Cecil\Util::joinFile(__DIR__, '/../', $path));
162	1	if ($filePath !== false) {
163	1	return $filePath;
164		}
165		// if Phar
166	1	if (Platform::isPhar()) {
167		return \Cecil\Util::joinPath(Platform::getPharPath(), str_replace('../', '/', $path));
168		}
169
170	1	throw new RuntimeException(\sprintf('Can\'t get the real path of file "%s".', $path));
171		}
172
173		/**
174		* Tests if a file path is remote.
175		*/
176	1	public static function isRemote(string $path): bool
177		{
178	1	return (bool) preg_match('~^(?:f\|ht)tps?://~i', $path);
179		}
180
181		/**
182		* Tests if a remote file exists.
183		*/
184	1	public static function isRemoteExists(string $path): bool
185		{
186	1	if (self::isRemote($path)) {
187	1	$handle = @fopen($path, 'r');
188	1	if (!empty($http_response_header)) {
189	1	if (400 < (int) explode(' ', $http_response_header[0])[1]) {
190	1	return false;
191		}
192		}
193	1	if (\is_resource($handle)) {
194	1	return true;
195		}
196		}
197
198		return false;
199		}
200		}
201

Cecilapp / Cecil

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File::getFS() A

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