CipherDataFormatsTrait::changeOutputFormat() - Code Metrics - Inspection of "Added a vast of symmetric encryption algorithm obj..." - TonyKaravasilev/CryptoManana - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8055c8...3e2656 )

by Tony Karavasilev (Тони

created 2020-01-20 16:25 UTC

CipherDataFormatsTrait::changeOutputFormat() C

↳ Parent: CipherDataFormatsTrait

Complexity

Conditions	16
Paths	16

Size

Total Lines	58
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	272

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	42
c	1
b	0
f	0
dl	0
loc	58
ccs	0
cts	52
cp	0
rs	5.5666
cc	16
nc	16
nop	2
crap	272

How to fix Long Method Complexity

<?php

/**
 * Trait implementation of the cipher/encryption data output formats for encryption algorithms.
 */

namespace CryptoManana\Core\Traits\MessageEncryption;

use \CryptoManana\Core\Interfaces\MessageEncryption\CipherDataFormatsInterface as CipherDataFormatsSpecification;
use \CryptoManana\Core\StringBuilder as StringBuilder;

/**
 * Trait CipherDataFormatsTrait - Reusable implementation of `CipherDataFormatsInterface`.
 *
 * @see \CryptoManana\Core\Interfaces\MessageDigestion\CipherDataFormatsInterface The abstract specification.
 *
 * @package CryptoManana\Core\Traits\MessageEncryption
 *
 * @property int $cipherFormat The output cipher format property storage.
 *
 * @mixin CipherDataFormatsSpecification
 */
trait CipherDataFormatsTrait
{
    /**
     * Internal method for converting the output format representation via the chosen format.
     *
     * @param string $bytes The bytes for conversion.
     * @param bool|int|null $direction Flag for encryption direction (encrypt => `true` or decrypt => `false`).
     *
     * @return string The formatted bytes.
     */
    protected function changeOutputFormat($bytes, $direction = true)
    {
        if ($this->cipherFormat === self::ENCRYPTION_OUTPUT_RAW) {

            return $bytes;
        }

        if ($direction == true) {
            switch ($this->cipherFormat) {
                case self::ENCRYPTION_OUTPUT_HEX_LOWER:

                    $bytes = bin2hex($bytes);
                    break;
                case self::ENCRYPTION_OUTPUT_HEX_UPPER:

                    $bytes = StringBuilder::stringToUpper(bin2hex($bytes));
                    break;
                case self::ENCRYPTION_OUTPUT_BASE_64:

                    $bytes = base64_encode($bytes);
                    break;
                case self::ENCRYPTION_OUTPUT_BASE_64_URL:

                default:
                    $bytes = base64_encode($bytes);
                    $bytes = StringBuilder::stringReplace(['+', '/', '='], ['-', '_', ''], $bytes);
                    break;
            }
        } else {
            $hexCasePattern = '/^[a-f0-9]+$/';
            $base64Pattern = '%^[a-zA-Z0-9/+]*={0,2}$%';
            $base64UrlFriendlyPattern = '/^[a-zA-Z0-9_-]+$/';

            switch ($this->cipherFormat) {
                case self::ENCRYPTION_OUTPUT_HEX_LOWER:
                case self::ENCRYPTION_OUTPUT_HEX_UPPER:
                    if (preg_match($hexCasePattern, StringBuilder::stringToLower($bytes))) {
                        $bytes = hex2bin(StringBuilder::stringToLower($bytes));
                    }
                    break;
                case self::ENCRYPTION_OUTPUT_BASE_64:
                    if (preg_match($base64Pattern, $bytes) && StringBuilder::stringLength($bytes) % 4 === 0) {
                        $bytes = base64_decode($bytes);
                    }
                    break;
                case self::ENCRYPTION_OUTPUT_BASE_64_URL:
                default:
                    if (preg_match($base64UrlFriendlyPattern, $bytes)) {
                        $bytes = StringBuilder::stringReplace(['-', '_'], ['+', '/'], $bytes);
                        $times = StringBuilder::stringLength($bytes) % 4;

                        // Instead of str_pad for encoding friendly appending
                        for ($i = 0; $i < $times; $i++) {
                            $bytes .= '=';
                        }

                        $bytes = base64_decode($bytes);
                    }
                    break;
            }
        }

        return $bytes;
    }

    /**
     * Setter for the output cipher format code property.
     *
     * @param int $cipherFormat The output cipher format code.
     *
     * @return $this The encryption algorithm object.
     * @throws \Exception Validation errors.
     */
    public function setCipherFormat($cipherFormat)
    {
        $cipherFormat = filter_var(
            $cipherFormat,
            FILTER_VALIDATE_INT,
            [
                "options" => [
                    "min_range" => self::ENCRYPTION_OUTPUT_RAW,

                    "max_range" => self::ENCRYPTION_OUTPUT_BASE_64_URL,

                ],
            ]
        );

        if ($cipherFormat === false) {
            throw new \InvalidArgumentException(
                'The output format mode must be an integer between ' .
                self::ENCRYPTION_OUTPUT_RAW . ' and ' . self::ENCRYPTION_OUTPUT_BASE_64_URL . '.'
            );
        }

        $this->cipherFormat = $cipherFormat;

        return $this;
    }

    /**
     * Getter for the output cipher format code property.
     *
     * @return int The output cipher format code.
     */
    public function getCipherFormat()
    {
        return $this->cipherFormat;
    }
}


1			<?php
2
3			/**
4			* Trait implementation of the cipher/encryption data output formats for encryption algorithms.
5			*/
6
7			namespace CryptoManana\Core\Traits\MessageEncryption;
8
9			use \CryptoManana\Core\Interfaces\MessageEncryption\CipherDataFormatsInterface as CipherDataFormatsSpecification;
10			use \CryptoManana\Core\StringBuilder as StringBuilder;
11
12			/**
13			* Trait CipherDataFormatsTrait - Reusable implementation of `CipherDataFormatsInterface`.
14			*
15			* @see \CryptoManana\Core\Interfaces\MessageDigestion\CipherDataFormatsInterface The abstract specification.
16			*
17			* @package CryptoManana\Core\Traits\MessageEncryption
18			*
19			* @property int $cipherFormat The output cipher format property storage.
20			*
21			* @mixin CipherDataFormatsSpecification
22			*/
23			trait CipherDataFormatsTrait
24			{
25			/**
26			* Internal method for converting the output format representation via the chosen format.
27			*
28			* @param string $bytes The bytes for conversion.
29			* @param bool\|int\|null $direction Flag for encryption direction (encrypt => `true` or decrypt => `false`).
30			*
31			* @return string The formatted bytes.
32			*/
33			protected function changeOutputFormat($bytes, $direction = true)
34			{
35			if ($this->cipherFormat === self::ENCRYPTION_OUTPUT_RAW) {
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...::ENCRYPTION_OUTPUT_RAW` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
36			return $bytes;
37			}
38
39			if ($direction == true) {
40			switch ($this->cipherFormat) {
41			case self::ENCRYPTION_OUTPUT_HEX_LOWER:
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...YPTION_OUTPUT_HEX_LOWER` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
42			$bytes = bin2hex($bytes);
43			break;
44			case self::ENCRYPTION_OUTPUT_HEX_UPPER:
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...YPTION_OUTPUT_HEX_UPPER` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
45			$bytes = StringBuilder::stringToUpper(bin2hex($bytes));
46			break;
47			case self::ENCRYPTION_OUTPUT_BASE_64:
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...CRYPTION_OUTPUT_BASE_64` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
48			$bytes = base64_encode($bytes);
49			break;
50			case self::ENCRYPTION_OUTPUT_BASE_64_URL:
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...TION_OUTPUT_BASE_64_URL` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
51			default:
52			$bytes = base64_encode($bytes);
53			$bytes = StringBuilder::stringReplace(['+', '/', '='], ['-', '_', ''], $bytes);
54			break;
55			}
56			} else {
57			$hexCasePattern = '/^[a-f0-9]+$/';
58			$base64Pattern = '%^[a-zA-Z0-9/+]*={0,2}$%';
59			$base64UrlFriendlyPattern = '/^[a-zA-Z0-9_-]+$/';
60
61			switch ($this->cipherFormat) {
62			case self::ENCRYPTION_OUTPUT_HEX_LOWER:
63			case self::ENCRYPTION_OUTPUT_HEX_UPPER:
64			if (preg_match($hexCasePattern, StringBuilder::stringToLower($bytes))) {
65			$bytes = hex2bin(StringBuilder::stringToLower($bytes));
66			}
67			break;
68			case self::ENCRYPTION_OUTPUT_BASE_64:
69			if (preg_match($base64Pattern, $bytes) && StringBuilder::stringLength($bytes) % 4 === 0) {
70			$bytes = base64_decode($bytes);
71			}
72			break;
73			case self::ENCRYPTION_OUTPUT_BASE_64_URL:
74			default:
75			if (preg_match($base64UrlFriendlyPattern, $bytes)) {
76			$bytes = StringBuilder::stringReplace(['-', '_'], ['+', '/'], $bytes);
77			$times = StringBuilder::stringLength($bytes) % 4;
78
79			// Instead of str_pad for encoding friendly appending
80			for ($i = 0; $i < $times; $i++) {
81			$bytes .= '=';
82			}
83
84			$bytes = base64_decode($bytes);
85			}
86			break;
87			}
88			}
89
90			return $bytes;
91			}
92
93			/**
94			* Setter for the output cipher format code property.
95			*
96			* @param int $cipherFormat The output cipher format code.
97			*
98			* @return $this The encryption algorithm object.
99			* @throws \Exception Validation errors.
100			*/
101			public function setCipherFormat($cipherFormat)
102			{
103			$cipherFormat = filter_var(
104			$cipherFormat,
105			FILTER_VALIDATE_INT,
106			[
107			"options" => [
108			"min_range" => self::ENCRYPTION_OUTPUT_RAW,
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...::ENCRYPTION_OUTPUT_RAW` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
109			"max_range" => self::ENCRYPTION_OUTPUT_BASE_64_URL,
			1 ignored issue – show Bug introduced 2020-01-20 16:41 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...TION_OUTPUT_BASE_64_URL` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
110			],
111			]
112			);
113
114			if ($cipherFormat === false) {
115			throw new \InvalidArgumentException(
116			'The output format mode must be an integer between ' .
117			self::ENCRYPTION_OUTPUT_RAW . ' and ' . self::ENCRYPTION_OUTPUT_BASE_64_URL . '.'
118			);
119			}
120
121			$this->cipherFormat = $cipherFormat;
122
123			return $this;
124			}
125
126			/**
127			* Getter for the output cipher format code property.
128			*
129			* @return int The output cipher format code.
130			*/
131			public function getCipherFormat()
132			{
133			return $this->cipherFormat;
134			}
135			}
136

TonyKaravasilev / CryptoManana

Push — master ( 8055c8...3e2656 )

CipherDataFormatsTrait::changeOutputFormat() C

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