Helper::sampleEncryption() - Code Metrics - Inspection of "Port code from she app" - ElfSundae/laravel-support - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 279d4e...5d09e0 )

by Elf

created 2017-06-15 00:42 UTC

Helper::sampleEncryption() B

↳ Parent: Helper

Complexity

Conditions	4
Paths	6

Size

Total Lines	28
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	20

Importance

Changes

Metric	Value
cc	4
eloc	15
nc	6
nop	3
dl	0
loc	28
ccs	0
cts	21
cp	0
crap	20
rs	8.5806
c	0
b	0
f	0

<?php

namespace ElfSundae\Laravel\Support;

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

class Helper
{
    /**
     * Trim strings for the request's inputs.
     *
     * @see https://gist.github.com/drakakisgeo/3bba2a2600b4c554f836#gistcomment-1744670
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Request
     */
    public static function trimRequestInputs(Request $request)
    {
        $inputs = $request->input();

        array_walk_recursive($inputs, function (&$value) {
            $value = trim($value);
        });

        $request->merge($inputs);

        return $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)
    {
        $list = [
            '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',

            'i386' => 'Simulator',
            'x86_64' => 'Simulator',
        ];

        return isset($list[$platform]) ? $list[$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;
        }
    }

    /**
     * Get the Gravatar URL.
     *
     * @param  string  $email
     * @param  int  $size
     * @param  string  $default
     * @param  string  $rating
     * @return string
     *
     * @see http://cn.gravatar.com/site/implement/images/
     */
    public static function gravatar($email, $size = 100, $default = null, $rating = null)
    {
        if (is_null($default)) {
            $default = config('services.gravatar.default');
        }
        if (is_null($rating)) {
            $rating = config('services.gravatar.rating');
        }

        $query = http_build_query(compact('size', 'default', 'rating'));

        return app('url')->assetFrom(
            config('services.gravatar.host', 'http://gravatar.com/avatar'),
            md5(strtolower(trim($email))).'?'.$query
        );
    }

    /**
     * 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			* Trim strings for the request's inputs.
12			*
13			* @see https://gist.github.com/drakakisgeo/3bba2a2600b4c554f836#gistcomment-1744670
14			*
15			* @param \Illuminate\Http\Request $request
16			* @return \Illuminate\Http\Request
17			*/
18			public static function trimRequestInputs(Request $request)
19			{
20			$inputs = $request->input();
21
22			array_walk_recursive($inputs, function (&$value) {
23			$value = trim($value);
24			});
25
26			$request->merge($inputs);
27
28			return $request;
29			}
30
31			/**
32			* Get file extension for MIME type.
33			*
34			* @param string $mimeType
35			* @param string $prefix
36			* @return string\|null
37			*/
38			public static function fileExtensionForMimeType($mimeType, $prefix = '')
39			{
40			$extension = ExtensionGuesser::getInstance()->guess($mimeType);
41
42			if (! is_null($extension)) {
43			if ('jpeg' == $extension) {
44			$extension = 'jpg';
45			}
46
47			return $prefix.$extension;
48			}
49			}
50
51			/**
52			* Convert an iOS platform to the device model name.
53			*
54			* @see https://www.theiphonewiki.com/wiki/Models
55			* @see https://support.hockeyapp.net/kb/client-integration-ios-mac-os-x-tvos/ios-device-types
56			*
57			* @param string $platform
58			* @return string
59			*/
60			public static function iDeviceModel($platform)
61			{
62			$list = [
63			'iPhone1,1' => 'iPhone',
64			'iPhone1,2' => 'iPhone 3G',
65			'iPhone2,1' => 'iPhone 3GS',
66			'iPhone3,1' => 'iPhone 4',
67			'iPhone3,2' => 'iPhone 4',
68			'iPhone3,3' => 'iPhone 4',
69			'iPhone4,1' => 'iPhone 4S',
70			'iPhone5,1' => 'iPhone 5',
71			'iPhone5,2' => 'iPhone 5',
72			'iPhone5,3' => 'iPhone 5c',
73			'iPhone5,4' => 'iPhone 5c',
74			'iPhone6,1' => 'iPhone 5s',
75			'iPhone6,2' => 'iPhone 5s',
76			'iPhone7,1' => 'iPhone 6 Plus',
77			'iPhone7,2' => 'iPhone 6',
78			'iPhone8,1' => 'iPhone 6s',
79			'iPhone8,2' => 'iPhone 6s Plus',
80			'iPhone8,4' => 'iPhone SE',
81			'iPhone9,1' => 'iPhone 7',
82			'iPhone9,2' => 'iPhone 7 Plus',
83			'iPhone9,3' => 'iPhone 7',
84			'iPhone9,4' => 'iPhone 7 Plus',
85
86			'iPod1,1' => 'iPod touch',
87			'iPod2,1' => 'iPod touch 2G',
88			'iPod3,1' => 'iPod touch 3G',
89			'iPod4,1' => 'iPod touch 4G',
90			'iPod5,1' => 'iPod touch 5G',
91			'iPod7,1' => 'iPod touch 6G',
92
93			'iPad1,1' => 'iPad',
94			'iPad2,1' => 'iPad 2',
95			'iPad2,2' => 'iPad 2',
96			'iPad2,3' => 'iPad 2',
97			'iPad2,4' => 'iPad 2',
98			'iPad2,5' => 'iPad mini',
99			'iPad2,6' => 'iPad mini',
100			'iPad2,7' => 'iPad mini',
101			'iPad3,1' => 'iPad 3',
102			'iPad3,2' => 'iPad 3',
103			'iPad3,3' => 'iPad 3',
104			'iPad3,4' => 'iPad 4',
105			'iPad3,5' => 'iPad 4',
106			'iPad3,6' => 'iPad 4',
107			'iPad4,1' => 'iPad Air',
108			'iPad4,2' => 'iPad Air',
109			'iPad4,3' => 'iPad Air',
110			'iPad4,4' => 'iPad mini 2',
111			'iPad4,5' => 'iPad mini 2',
112			'iPad4,6' => 'iPad mini 2',
113			'iPad4,7' => 'iPad mini 3',
114			'iPad4,8' => 'iPad mini 3',
115			'iPad4,9' => 'iPad mini 3',
116			'iPad5,1' => 'iPad mini 4',
117			'iPad5,2' => 'iPad mini 4',
118			'iPad5,3' => 'iPad Air 2',
119			'iPad5,4' => 'iPad Air 2',
120			'iPad6,3' => 'iPad Pro',
121			'iPad6,4' => 'iPad Pro',
122			'iPad6,7' => 'iPad Pro',
123			'iPad6,8' => 'iPad Pro',
124
125			'AppleTV2,1' => 'Apple TV 2G',
126			'AppleTV3,1' => 'Apple TV 3G',
127			'AppleTV3,2' => 'Apple TV 3G',
128			'AppleTV5,3' => 'Apple TV 4G',
129
130			'Watch1,1' => 'Apple Watch',
131			'Watch1,2' => 'Apple Watch',
132			'Watch2,6' => 'Apple Watch Series 1',
133			'Watch2,7' => 'Apple Watch Series 1',
134			'Watch2,3' => 'Apple Watch Series 2',
135			'Watch2,4' => 'Apple Watch Series 2',
136
137			'i386' => 'Simulator',
138			'x86_64' => 'Simulator',
139			];
140
141			return isset($list[$platform]) ? $list[$platform] : $platform;
142			}
143
144			/**
145			* Get the mail homepage.
146			*
147			* @param string $address
148			* @return string\|null
149			*/
150			public static function mailHomepage($address)
151			{
152			if (preg_match('#@([a-z0-9.-]+)#i', $address, $match)) {
153			$list = [
154			'qq.com' => 'https://mail.qq.com',
155			'vip.qq.com' => 'https://mail.qq.com',
156			'126.com' => 'http://www.126.com',
157			'gmail.com' => 'https://mail.google.com',
158			'139.com' => 'http://mail.10086.cn',
159			'wo.cn' => 'http://mail.wo.com.cn',
160			'sina.com' => 'http://mail.sina.com.cn',
161			'sina.cn' => 'http://mail.sina.com.cn',
162			'vip.sina.com' => 'http://mail.sina.com.cn',
163			];
164
165			$domain = strtolower($match[1]);
166
167			return isset($list[$domain]) ? $list[$domain] : 'http://mail.'.$domain;
168			}
169			}
170
171			/**
172			* Get the Gravatar URL.
173			*
174			* @param string $email
175			* @param int $size
176			* @param string $default
177			* @param string $rating
178			* @return string
179			*
180			* @see http://cn.gravatar.com/site/implement/images/
181			*/
182			public static function gravatar($email, $size = 100, $default = null, $rating = null)
183			{
184			if (is_null($default)) {
185			$default = config('services.gravatar.default');
186			}
187			if (is_null($rating)) {
188			$rating = config('services.gravatar.rating');
189			}
190
191			$query = http_build_query(compact('size', 'default', 'rating'));
192
193			return app('url')->assetFrom(
194			config('services.gravatar.host', 'http://gravatar.com/avatar'),
195			md5(strtolower(trim($email))).'?'.$query
196			);
197			}
198
199			/**
200			* Encrypt ASCII string via XOR.
201			*
202			* @param string $text
203			* @param string\|null $key
204			* @return string
205			*/
206			public static function sampleEncrypt($text, $key = null)
207			{
208			$text = (string) $text;
209			if (is_null($key)) {
210			$key = app('encrypter')->getKey();
211			}
212
213			// 生成随机字符串
214			$random = str_random(strlen($text));
215
216			// 按字符拼接：随机字符串 + 随机字符串异或原文
217			$tmp = static::sampleEncryption($text, $random, function ($a, $b) {
218			return $b.($a ^ $b);
219			});
220
221			// 异或 $tmp 和 $key
222			$result = static::sampleEncryption($tmp, $key);
223
224			return urlsafe_base64_encode($result);
225			}
226
227			/**
228			* Decrypt string via XOR.
229			*
230			* @param string $text
231			* @param string\|null $key
232			* @return string
233			*/
234			public static function sampleDecrypt($text, $key = null)
235			{
236			if (is_null($key)) {
237			$key = app('encrypter')->getKey();
238			}
239
240			$tmp = static::sampleEncryption(urlsafe_base64_decode($text), $key);
241			$tmpLength = strlen($tmp);
242			$result = '';
243			for ($i = 0; $i < $tmpLength, ($i + 1) < $tmpLength; $i += 2) {
244			$result .= $tmp[$i] ^ $tmp[$i + 1];
245			}
246
247			return $result;
248			}
249
250			/**
251			* Do a sample XOR encryption.
252			*
253			* @param string $text
254			* @param string $key
255			* @param \Closure\|null $callback `($a, $b, $index)`
256			* @return string
257			*/
258			protected static function sampleEncryption($text, $key, $callback = null)
259			{
260			// 对 $text 和 $key 的每个字符进行运算。
261			// $callback 为 null 时默认进行异或运算。
262			// $callback 参数：第 i 位 $text, 第 i 位 $key, 下标 i
263			// $callback 返回 false 时，结束字符循环.
264
265			$text = (string) $text;
266			$key = (string) $key;
267			$keyLength = strlen($key);
268			if (is_null($callback)) {
269			$callback = function ($a, $b) {
270			return $a ^ $b;
271			};
272			}
273
274			$result = '';
275			$textLength = strlen($text);
276			for ($i = 0; $i < $textLength; $i++) {
277			$tmp = $callback($text[$i], $key[$i % $keyLength], $i);
278			if (false === $tmp) {
279			break;
280			}
281			$result .= $tmp;
282			}
283
284			return $result;
285			}
286
287			/**
288			* Convert an integer to a string.
289			* It is useful to shorten a database ID to URL keyword, e.g. 54329 to 'xkE'.
290			*
291			* @param int $number
292			* @param string\|null $characters
293			* @return string
294			*/
295			public static function int2string($number, string $characters = null)
296			{
297			$number = (int) $number;
298			if ($number < 0) {
299			return '';
300			}
301
302			if (is_null($characters)) {
303			$characters = config('support.int2string');
304			}
305
306			$charactersLength = strlen($characters);
307			$string = '';
308
309			while ($number >= $charactersLength) {
310			$mod = (int) bcmod($number, $charactersLength);
311			$number = (int) bcdiv($number, $charactersLength);
312			$string = $characters[$mod].$string;
313			}
314
315			return $characters[$number].$string;
316			}
317
318			/**
319			* Convert an `int2string` generated string back to an integer.
320			*
321			* @param string $string
322			* @param string\|null $characters
323			* @return int
324			*/
325			public static function string2int($string, string $characters = null)
326			{
327			$string = strrev($string);
328			$stringLength = strlen($string);
329
330			if (is_null($characters)) {
331			$characters = config('support.int2string');
332			}
333			$charactersLength = strlen($characters);
334
335			$number = 0;
336			for ($i = 0; $i < $stringLength; $i++) {
337			$index = strpos($characters, $string[$i]);
338			$number = (int) bcadd($number, bcmul($index, bcpow($charactersLength, $i)));
339			}
340
341			return $number;
342			}
343			}
344

ElfSundae / laravel-support

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Helper::sampleEncryption() B

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