Helper::int2string() - Code Metrics - Inspection of "Replace gravatar" - ElfSundae/laravel-support - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4b257d...a8afb6 )

by Elf

created 2017-09-15 04:09 UTC

Helper::int2string() B

↳ Parent: Helper

Complexity

Conditions	4
Paths	5

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	20

Importance

Changes

Metric	Value
cc	4
eloc	13
nc	5
nop	2
dl	0
loc	22
ccs	0
cts	18
cp	0
crap	20
rs	8.9197
c	0
b	0
f	0

<?php

namespace ElfSundae\Laravel\Support;

use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser;

class Helper
{
    /**
     * Add JSON type to the "Accept" header for the current request.
     *
     * @see https://laravel-china.org/topics/3430/modify-request-headers-incomplete-raiders
     *
     * @param  callable  $determination
     * @param  callable  $callback
     * @return mixed
     */
    public static function addAcceptableJsonType($determination = null, $callback = null)
    {
        return app()->rebinding('request', function ($app, $request) use ($determination, $callback) {
            if (is_null($determination) || call_user_func($determination, $request)) {
                $accept = $request->headers->get('Accept');

                if (! str_contains($accept, ['/json', '+json'])) {
                    $accept = rtrim('application/json,'.$accept, ',');

                    $request->headers->set('Accept', $accept);
                    $request->server->set('HTTP_ACCEPT', $accept);
                    $_SERVER['HTTP_ACCEPT'] = $accept;

                    if ($callback) {
                        call_user_func($callback, $request);
                    }
                }
            }
        });
    }

    /**
     * Get file extension for MIME type.
     *
     * @param  string  $mimeType
     * @param  string  $prefix
     * @return string|null
     */
    public static function fileExtensionForMimeType($mimeType, $prefix = '')
    {
        $extension = ExtensionGuesser::getInstance()->guess($mimeType);

        if (! is_null($extension)) {
            if ('jpeg' == $extension) {
                $extension = 'jpg';
            }

            return $prefix.$extension;
        }
    }

    /**
     * Convert an iOS platform to the device model name.
     *
     * @see https://www.theiphonewiki.com/wiki/Models
     * @see https://support.hockeyapp.net/kb/client-integration-ios-mac-os-x-tvos/ios-device-types
     *
     * @param  string  $platform
     * @return string
     */
    public static function iDeviceModel($platform)
    {
        static $iDeviceModels = null;

        if (is_null($iDeviceModels)) {
            $iDeviceModels = [
                'i386' => 'Simulator',
                'x86_64' => 'Simulator',

                'iPhone1,1' => 'iPhone',
                'iPhone1,2' => 'iPhone 3G',
                'iPhone2,1' => 'iPhone 3GS',
                'iPhone3,1' => 'iPhone 4',
                'iPhone3,2' => 'iPhone 4',
                'iPhone3,3' => 'iPhone 4',
                'iPhone4,1' => 'iPhone 4S',
                'iPhone5,1' => 'iPhone 5',
                'iPhone5,2' => 'iPhone 5',
                'iPhone5,3' => 'iPhone 5c',
                'iPhone5,4' => 'iPhone 5c',
                'iPhone6,1' => 'iPhone 5s',
                'iPhone6,2' => 'iPhone 5s',
                'iPhone7,1' => 'iPhone 6 Plus',
                'iPhone7,2' => 'iPhone 6',
                'iPhone8,1' => 'iPhone 6s',
                'iPhone8,2' => 'iPhone 6s Plus',
                'iPhone8,4' => 'iPhone SE',
                'iPhone9,1' => 'iPhone 7',
                'iPhone9,2' => 'iPhone 7 Plus',
                'iPhone9,3' => 'iPhone 7',
                'iPhone9,4' => 'iPhone 7 Plus',

                'iPod1,1' => 'iPod touch',
                'iPod2,1' => 'iPod touch 2G',
                'iPod3,1' => 'iPod touch 3G',
                'iPod4,1' => 'iPod touch 4G',
                'iPod5,1' => 'iPod touch 5G',
                'iPod7,1' => 'iPod touch 6G',

                'iPad1,1' => 'iPad',
                'iPad2,1' => 'iPad 2',
                'iPad2,2' => 'iPad 2',
                'iPad2,3' => 'iPad 2',
                'iPad2,4' => 'iPad 2',
                'iPad2,5' => 'iPad mini',
                'iPad2,6' => 'iPad mini',
                'iPad2,7' => 'iPad mini',
                'iPad3,1' => 'iPad 3',
                'iPad3,2' => 'iPad 3',
                'iPad3,3' => 'iPad 3',
                'iPad3,4' => 'iPad 4',
                'iPad3,5' => 'iPad 4',
                'iPad3,6' => 'iPad 4',
                'iPad4,1' => 'iPad Air',
                'iPad4,2' => 'iPad Air',
                'iPad4,3' => 'iPad Air',
                'iPad4,4' => 'iPad mini 2',
                'iPad4,5' => 'iPad mini 2',
                'iPad4,6' => 'iPad mini 2',
                'iPad4,7' => 'iPad mini 3',
                'iPad4,8' => 'iPad mini 3',
                'iPad4,9' => 'iPad mini 3',
                'iPad5,1' => 'iPad mini 4',
                'iPad5,2' => 'iPad mini 4',
                'iPad5,3' => 'iPad Air 2',
                'iPad5,4' => 'iPad Air 2',
                'iPad6,3' => 'iPad Pro',
                'iPad6,4' => 'iPad Pro',
                'iPad6,7' => 'iPad Pro',
                'iPad6,8' => 'iPad Pro',

                'AppleTV2,1' => 'Apple TV 2G',
                'AppleTV3,1' => 'Apple TV 3G',
                'AppleTV3,2' => 'Apple TV 3G',
                'AppleTV5,3' => 'Apple TV 4G',

                'Watch1,1' => 'Apple Watch',
                'Watch1,2' => 'Apple Watch',
                'Watch2,6' => 'Apple Watch Series 1',
                'Watch2,7' => 'Apple Watch Series 1',
                'Watch2,3' => 'Apple Watch Series 2',
                'Watch2,4' => 'Apple Watch Series 2',
            ];
        }

        return isset($iDeviceModels[$platform]) ? $iDeviceModels[$platform] : $platform;
    }

    /**
     * Get the mail homepage.
     *
     * @param  string  $address
     * @return string|null
     */
    public static function mailHomepage($address)
    {
        if (preg_match('#@([a-z0-9.-]+)#i', $address, $match)) {
            $list = [
                'qq.com' => 'https://mail.qq.com',
                'vip.qq.com' => 'https://mail.qq.com',
                '126.com' => 'http://www.126.com',
                'gmail.com' => 'https://mail.google.com',
                '139.com' => 'http://mail.10086.cn',
                'wo.cn' => 'http://mail.wo.com.cn',
                'sina.com' => 'http://mail.sina.com.cn',
                'sina.cn' => 'http://mail.sina.com.cn',
                'vip.sina.com' => 'http://mail.sina.com.cn',
            ];

            $domain = strtolower($match[1]);

            return isset($list[$domain]) ? $list[$domain] : 'http://mail.'.$domain;
        }
    }

    /**
     * Encrypt ASCII string via XOR.
     *
     * @param  string  $text
     * @param  string|null  $key
     * @return string
     */
    public static function sampleEncrypt($text, $key = null)
    {
        $text = (string) $text;
        if (is_null($key)) {
            $key = app('encrypter')->getKey();
        }

        // 生成随机字符串
        $random = str_random(strlen($text));

        // 按字符拼接：随机字符串 + 随机字符串异或原文
        $tmp = static::sampleEncryption($text, $random, function ($a, $b) {
            return $b.($a ^ $b);
        });

        // 异或 $tmp 和 $key
        $result = static::sampleEncryption($tmp, $key);

        return urlsafe_base64_encode($result);
    }

    /**
     * Decrypt string via XOR.
     *
     * @param  string  $text
     * @param  string|null  $key
     * @return string
     */
    public static function sampleDecrypt($text, $key = null)
    {
        if (is_null($key)) {
            $key = app('encrypter')->getKey();
        }

        $tmp = static::sampleEncryption(urlsafe_base64_decode($text), $key);
        $tmpLength = strlen($tmp);
        $result = '';
        for ($i = 0; $i < $tmpLength, ($i + 1) < $tmpLength; $i += 2) {
            $result .= $tmp[$i] ^ $tmp[$i + 1];
        }

        return $result;
    }

    /**
     * Do a sample XOR encryption.
     *
     * @param  string  $text
     * @param  string  $key
     * @param  \Closure|null  $callback `($a, $b, $index)`
     * @return string
     */
    protected static function sampleEncryption($text, $key, $callback = null)
    {
        // 对 $text 和 $key 的每个字符进行运算。
        // $callback 为 null 时默认进行异或运算。
        // $callback 参数： 第 i 位 $text, 第 i 位 $key, 下标 i
        // $callback 返回 false 时，结束字符循环.

        $text = (string) $text;
        $key = (string) $key;
        $keyLength = strlen($key);
        if (is_null($callback)) {
            $callback = function ($a, $b) {
                return $a ^ $b;
            };
        }

        $result = '';
        $textLength = strlen($text);
        for ($i = 0; $i < $textLength; $i++) {
            $tmp = $callback($text[$i], $key[$i % $keyLength], $i);
            if (false === $tmp) {
                break;
            }
            $result .= $tmp;
        }

        return $result;
    }

    /**
     * Convert an integer to a string.
     * It is useful to shorten a database ID to URL keyword, e.g. 54329 to 'xkE'.
     *
     * @param  int $number
     * @param  string|null  $characters
     * @return string
     */
    public static function int2string($number, string $characters = null)
    {
        $number = (int) $number;
        if ($number < 0) {
            return '';
        }

        if (is_null($characters)) {
            $characters = config('support.int2string');
        }

        $charactersLength = strlen($characters);
        $string = '';

        while ($number >= $charactersLength) {
            $mod = (int) bcmod($number, $charactersLength);
            $number = (int) bcdiv($number, $charactersLength);
            $string = $characters[$mod].$string;
        }

        return $characters[$number].$string;
    }

    /**
     * Convert an `int2string` generated string back to an integer.
     *
     * @param  string  $string
     * @param  string|null  $characters
     * @return int
     */
    public static function string2int($string, string $characters = null)
    {
        $string = strrev($string);
        $stringLength = strlen($string);

        if (is_null($characters)) {
            $characters = config('support.int2string');
        }
        $charactersLength = strlen($characters);

        $number = 0;
        for ($i = 0; $i < $stringLength; $i++) {
            $index = strpos($characters, $string[$i]);
            $number = (int) bcadd($number, bcmul($index, bcpow($charactersLength, $i)));
        }

        return $number;
    }
}


1			<?php
2
3			namespace ElfSundae\Laravel\Support;
4
5			use Illuminate\Http\Request;
6			use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser;
7
8			class Helper
9			{
10			/**
11			* Add JSON type to the "Accept" header for the current request.
12			*
13			* @see https://laravel-china.org/topics/3430/modify-request-headers-incomplete-raiders
14			*
15			* @param callable $determination
16			* @param callable $callback
17			* @return mixed
18			*/
19			public static function addAcceptableJsonType($determination = null, $callback = null)
20			{
21			return app()->rebinding('request', function ($app, $request) use ($determination, $callback) {
22			if (is_null($determination) \|\| call_user_func($determination, $request)) {
23			$accept = $request->headers->get('Accept');
24
25			if (! str_contains($accept, ['/json', '+json'])) {
26			$accept = rtrim('application/json,'.$accept, ',');
27
28			$request->headers->set('Accept', $accept);
29			$request->server->set('HTTP_ACCEPT', $accept);
30			$_SERVER['HTTP_ACCEPT'] = $accept;
31
32			if ($callback) {
33			call_user_func($callback, $request);
34			}
35			}
36			}
37			});
38			}
39
40			/**
41			* Get file extension for MIME type.
42			*
43			* @param string $mimeType
44			* @param string $prefix
45			* @return string\|null
46			*/
47			public static function fileExtensionForMimeType($mimeType, $prefix = '')
48			{
49			$extension = ExtensionGuesser::getInstance()->guess($mimeType);
50
51			if (! is_null($extension)) {
52			if ('jpeg' == $extension) {
53			$extension = 'jpg';
54			}
55
56			return $prefix.$extension;
57			}
58			}
59
60			/**
61			* Convert an iOS platform to the device model name.
62			*
63			* @see https://www.theiphonewiki.com/wiki/Models
64			* @see https://support.hockeyapp.net/kb/client-integration-ios-mac-os-x-tvos/ios-device-types
65			*
66			* @param string $platform
67			* @return string
68			*/
69			public static function iDeviceModel($platform)
70			{
71			static $iDeviceModels = null;
72
73			if (is_null($iDeviceModels)) {
74			$iDeviceModels = [
75			'i386' => 'Simulator',
76			'x86_64' => 'Simulator',
77
78			'iPhone1,1' => 'iPhone',
79			'iPhone1,2' => 'iPhone 3G',
80			'iPhone2,1' => 'iPhone 3GS',
81			'iPhone3,1' => 'iPhone 4',
82			'iPhone3,2' => 'iPhone 4',
83			'iPhone3,3' => 'iPhone 4',
84			'iPhone4,1' => 'iPhone 4S',
85			'iPhone5,1' => 'iPhone 5',
86			'iPhone5,2' => 'iPhone 5',
87			'iPhone5,3' => 'iPhone 5c',
88			'iPhone5,4' => 'iPhone 5c',
89			'iPhone6,1' => 'iPhone 5s',
90			'iPhone6,2' => 'iPhone 5s',
91			'iPhone7,1' => 'iPhone 6 Plus',
92			'iPhone7,2' => 'iPhone 6',
93			'iPhone8,1' => 'iPhone 6s',
94			'iPhone8,2' => 'iPhone 6s Plus',
95			'iPhone8,4' => 'iPhone SE',
96			'iPhone9,1' => 'iPhone 7',
97			'iPhone9,2' => 'iPhone 7 Plus',
98			'iPhone9,3' => 'iPhone 7',
99			'iPhone9,4' => 'iPhone 7 Plus',
100
101			'iPod1,1' => 'iPod touch',
102			'iPod2,1' => 'iPod touch 2G',
103			'iPod3,1' => 'iPod touch 3G',
104			'iPod4,1' => 'iPod touch 4G',
105			'iPod5,1' => 'iPod touch 5G',
106			'iPod7,1' => 'iPod touch 6G',
107
108			'iPad1,1' => 'iPad',
109			'iPad2,1' => 'iPad 2',
110			'iPad2,2' => 'iPad 2',
111			'iPad2,3' => 'iPad 2',
112			'iPad2,4' => 'iPad 2',
113			'iPad2,5' => 'iPad mini',
114			'iPad2,6' => 'iPad mini',
115			'iPad2,7' => 'iPad mini',
116			'iPad3,1' => 'iPad 3',
117			'iPad3,2' => 'iPad 3',
118			'iPad3,3' => 'iPad 3',
119			'iPad3,4' => 'iPad 4',
120			'iPad3,5' => 'iPad 4',
121			'iPad3,6' => 'iPad 4',
122			'iPad4,1' => 'iPad Air',
123			'iPad4,2' => 'iPad Air',
124			'iPad4,3' => 'iPad Air',
125			'iPad4,4' => 'iPad mini 2',
126			'iPad4,5' => 'iPad mini 2',
127			'iPad4,6' => 'iPad mini 2',
128			'iPad4,7' => 'iPad mini 3',
129			'iPad4,8' => 'iPad mini 3',
130			'iPad4,9' => 'iPad mini 3',
131			'iPad5,1' => 'iPad mini 4',
132			'iPad5,2' => 'iPad mini 4',
133			'iPad5,3' => 'iPad Air 2',
134			'iPad5,4' => 'iPad Air 2',
135			'iPad6,3' => 'iPad Pro',
136			'iPad6,4' => 'iPad Pro',
137			'iPad6,7' => 'iPad Pro',
138			'iPad6,8' => 'iPad Pro',
139
140			'AppleTV2,1' => 'Apple TV 2G',
141			'AppleTV3,1' => 'Apple TV 3G',
142			'AppleTV3,2' => 'Apple TV 3G',
143			'AppleTV5,3' => 'Apple TV 4G',
144
145			'Watch1,1' => 'Apple Watch',
146			'Watch1,2' => 'Apple Watch',
147			'Watch2,6' => 'Apple Watch Series 1',
148			'Watch2,7' => 'Apple Watch Series 1',
149			'Watch2,3' => 'Apple Watch Series 2',
150			'Watch2,4' => 'Apple Watch Series 2',
151			];
152			}
153
154			return isset($iDeviceModels[$platform]) ? $iDeviceModels[$platform] : $platform;
155			}
156
157			/**
158			* Get the mail homepage.
159			*
160			* @param string $address
161			* @return string\|null
162			*/
163			public static function mailHomepage($address)
164			{
165			if (preg_match('#@([a-z0-9.-]+)#i', $address, $match)) {
166			$list = [
167			'qq.com' => 'https://mail.qq.com',
168			'vip.qq.com' => 'https://mail.qq.com',
169			'126.com' => 'http://www.126.com',
170			'gmail.com' => 'https://mail.google.com',
171			'139.com' => 'http://mail.10086.cn',
172			'wo.cn' => 'http://mail.wo.com.cn',
173			'sina.com' => 'http://mail.sina.com.cn',
174			'sina.cn' => 'http://mail.sina.com.cn',
175			'vip.sina.com' => 'http://mail.sina.com.cn',
176			];
177
178			$domain = strtolower($match[1]);
179
180			return isset($list[$domain]) ? $list[$domain] : 'http://mail.'.$domain;
181			}
182			}
183
184			/**
185			* Encrypt ASCII string via XOR.
186			*
187			* @param string $text
188			* @param string\|null $key
189			* @return string
190			*/
191			public static function sampleEncrypt($text, $key = null)
192			{
193			$text = (string) $text;
194			if (is_null($key)) {
195			$key = app('encrypter')->getKey();
196			}
197
198			// 生成随机字符串
199			$random = str_random(strlen($text));
200
201			// 按字符拼接：随机字符串 + 随机字符串异或原文
202			$tmp = static::sampleEncryption($text, $random, function ($a, $b) {
203			return $b.($a ^ $b);
204			});
205
206			// 异或 $tmp 和 $key
207			$result = static::sampleEncryption($tmp, $key);
208
209			return urlsafe_base64_encode($result);
210			}
211
212			/**
213			* Decrypt string via XOR.
214			*
215			* @param string $text
216			* @param string\|null $key
217			* @return string
218			*/
219			public static function sampleDecrypt($text, $key = null)
220			{
221			if (is_null($key)) {
222			$key = app('encrypter')->getKey();
223			}
224
225			$tmp = static::sampleEncryption(urlsafe_base64_decode($text), $key);
226			$tmpLength = strlen($tmp);
227			$result = '';
228			for ($i = 0; $i < $tmpLength, ($i + 1) < $tmpLength; $i += 2) {
229			$result .= $tmp[$i] ^ $tmp[$i + 1];
230			}
231
232			return $result;
233			}
234
235			/**
236			* Do a sample XOR encryption.
237			*
238			* @param string $text
239			* @param string $key
240			* @param \Closure\|null $callback `($a, $b, $index)`
241			* @return string
242			*/
243			protected static function sampleEncryption($text, $key, $callback = null)
244			{
245			// 对 $text 和 $key 的每个字符进行运算。
246			// $callback 为 null 时默认进行异或运算。
247			// $callback 参数：第 i 位 $text, 第 i 位 $key, 下标 i
248			// $callback 返回 false 时，结束字符循环.
249
250			$text = (string) $text;
251			$key = (string) $key;
252			$keyLength = strlen($key);
253			if (is_null($callback)) {
254			$callback = function ($a, $b) {
255			return $a ^ $b;
256			};
257			}
258
259			$result = '';
260			$textLength = strlen($text);
261			for ($i = 0; $i < $textLength; $i++) {
262			$tmp = $callback($text[$i], $key[$i % $keyLength], $i);
263			if (false === $tmp) {
264			break;
265			}
266			$result .= $tmp;
267			}
268
269			return $result;
270			}
271
272			/**
273			* Convert an integer to a string.
274			* It is useful to shorten a database ID to URL keyword, e.g. 54329 to 'xkE'.
275			*
276			* @param int $number
277			* @param string\|null $characters
278			* @return string
279			*/
280			public static function int2string($number, string $characters = null)
281			{
282			$number = (int) $number;
283			if ($number < 0) {
284			return '';
285			}
286
287			if (is_null($characters)) {
288			$characters = config('support.int2string');
289			}
290
291			$charactersLength = strlen($characters);
292			$string = '';
293
294			while ($number >= $charactersLength) {
295			$mod = (int) bcmod($number, $charactersLength);
296			$number = (int) bcdiv($number, $charactersLength);
297			$string = $characters[$mod].$string;
298			}
299
300			return $characters[$number].$string;
301			}
302
303			/**
304			* Convert an `int2string` generated string back to an integer.
305			*
306			* @param string $string
307			* @param string\|null $characters
308			* @return int
309			*/
310			public static function string2int($string, string $characters = null)
311			{
312			$string = strrev($string);
313			$stringLength = strlen($string);
314
315			if (is_null($characters)) {
316			$characters = config('support.int2string');
317			}
318			$charactersLength = strlen($characters);
319
320			$number = 0;
321			for ($i = 0; $i < $stringLength; $i++) {
322			$index = strpos($characters, $string[$i]);
323			$number = (int) bcadd($number, bcmul($index, bcpow($charactersLength, $i)));
324			}
325
326			return $number;
327			}
328			}
329

ElfSundae / laravel-support

Push — master ( 4b257d...a8afb6 )

Helper::int2string() B

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