CipherDataFormatsTrait::encryptionFormat() - Code Metrics - Inspection of "Fixed a few coding style issues found by Scrutiniz..." - TonyKaravasilev/CryptoManana - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (e30bd8)

by Tony Karavasilev (Тони

created 2020-01-20 21:05 UTC

CipherDataFormatsTrait::encryptionFormat() A

↳ Parent: CipherDataFormatsTrait

Complexity

Conditions	5
Paths	5

Size

Total Lines	17
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	5.0073

Importance

Changes

Metric	Value
eloc	15
c	0
b	0
f	0
dl	0
loc	17
ccs	14
cts	15
cp	0.9333
rs	9.4555
cc	5
nc	5
nop	1
crap	5.0073

<?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 format after encryption operations.
     *
     * @param string $bytes The bytes for conversion.
     *
     * @internal The parameter is passed via reference from the main logical method for performance reasons.
     */
    protected function encryptionFormat(&$bytes)
    {
        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:
                $bytes = StringBuilder::stringReplace(['+', '/', '='], ['-', '_', ''], base64_encode($bytes));
                break;
            default: // Then nothing
                break;
        }
    }

    /**
     * Internal method for converting format after decryption operations.
     *
     * @param string $bytes The bytes for conversion.
     *
     * @internal The parameter is passed via reference from the main logical method for performance reasons.
     */
    protected function decryptionFormat(&$bytes)
    {
        $isHex = (
            $this->cipherFormat === self::ENCRYPTION_OUTPUT_HEX_LOWER ||

            $this->cipherFormat === self::ENCRYPTION_OUTPUT_HEX_UPPER

        );

        if ($isHex) {
            if (preg_match('/^[a-f0-9]+$/', StringBuilder::stringToLower($bytes))) {
                $bytes = hex2bin(StringBuilder::stringToLower($bytes));
            }
        } elseif ($this->cipherFormat === self::ENCRYPTION_OUTPUT_BASE_64) {

            if (preg_match('%^[a-zA-Z0-9/+]*={0,2}$%', $bytes) && StringBuilder::stringLength($bytes) % 4 === 0) {
                $bytes = base64_decode($bytes);
            }
        } elseif ($this->cipherFormat === self::ENCRYPTION_OUTPUT_BASE_64_URL) {

            if (preg_match('/^[a-zA-Z0-9_-]+$/', $bytes)) {
                $bytes = StringBuilder::stringReplace(['-', '_'], ['+', '/'], $bytes);
                $bytes .= str_repeat('=', StringBuilder::stringLength($bytes) % 4);
                $bytes = base64_decode($bytes);
            }
        }
    }

    /**
     * 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) {
            $this->encryptionFormat($bytes);
        } else {
            $this->decryptionFormat($bytes);
        }

        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 format after encryption operations.
27		*
28		* @param string $bytes The bytes for conversion.
29		*
30		* @internal The parameter is passed via reference from the main logical method for performance reasons.
31		*/
32	120	protected function encryptionFormat(&$bytes)
33		{
34	120	switch ($this->cipherFormat) {
35	120	case self::ENCRYPTION_OUTPUT_HEX_LOWER:
36	12	$bytes = bin2hex($bytes);
37	12	break;
38	120	case self::ENCRYPTION_OUTPUT_HEX_UPPER:
39	12	$bytes = StringBuilder::stringToUpper(bin2hex($bytes));
40	12	break;
41	120	case self::ENCRYPTION_OUTPUT_BASE_64:
42	12	$bytes = base64_encode($bytes);
43	12	break;
44	120	case self::ENCRYPTION_OUTPUT_BASE_64_URL:
45	120	$bytes = StringBuilder::stringReplace(['+', '/', '='], ['-', '_', ''], base64_encode($bytes));
46	120	break;
47		default: // Then nothing
48		break;
49		}
50	120	}
51
52		/**
53		* Internal method for converting format after decryption operations.
54		*
55		* @param string $bytes The bytes for conversion.
56		*
57		* @internal The parameter is passed via reference from the main logical method for performance reasons.
58		*/
59	96	protected function decryptionFormat(&$bytes)
60		{
61		$isHex = (
62	96	$this->cipherFormat === self::ENCRYPTION_OUTPUT_HEX_LOWER \|\|
		1 ignored issue – show Bug introduced 2020-01-20 21:20 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...
63	96	$this->cipherFormat === self::ENCRYPTION_OUTPUT_HEX_UPPER
		1 ignored issue – show Bug introduced 2020-01-20 21:20 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...YPTION_OUTPUT_HEX_UPPER` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
64		);
65
66	96	if ($isHex) {
67	12	if (preg_match('/^[a-f0-9]+$/', StringBuilder::stringToLower($bytes))) {
68	12	$bytes = hex2bin(StringBuilder::stringToLower($bytes));
69		}
70	96	} elseif ($this->cipherFormat === self::ENCRYPTION_OUTPUT_BASE_64) {
		1 ignored issue – show Bug introduced 2020-01-20 21:20 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...CRYPTION_OUTPUT_BASE_64` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
71	12	if (preg_match('%^[a-zA-Z0-9/+]*={0,2}$%', $bytes) && StringBuilder::stringLength($bytes) % 4 === 0) {
72	12	$bytes = base64_decode($bytes);
73		}
74	96	} elseif ($this->cipherFormat === self::ENCRYPTION_OUTPUT_BASE_64_URL) {
		1 ignored issue – show Bug introduced 2020-01-20 21:20 UTC by Report Bug Copy Issue Report The constant `CryptoManana\Core\Traits...TION_OUTPUT_BASE_64_URL` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
75	96	if (preg_match('/^[a-zA-Z0-9_-]+$/', $bytes)) {
76	84	$bytes = StringBuilder::stringReplace(['-', '_'], ['+', '/'], $bytes);
77	84	$bytes .= str_repeat('=', StringBuilder::stringLength($bytes) % 4);
78	84	$bytes = base64_decode($bytes);
79		}
80		}
81	96	}
82
83		/**
84		* Internal method for converting the output format representation via the chosen format.
85		*
86		* @param string $bytes The bytes for conversion.
87		* @param bool\|int\|null $direction Flag for encryption direction (encrypt => `true` or decrypt => `false`).
88		*
89		* @return string The formatted bytes.
90		*/
91	156	protected function changeOutputFormat($bytes, $direction = true)
92		{
93	156	if ($this->cipherFormat === self::ENCRYPTION_OUTPUT_RAW) {
94	36	return $bytes;
95		}
96
97	132	if ($direction == true) {
98	120	$this->encryptionFormat($bytes);
99		} else {
100	96	$this->decryptionFormat($bytes);
101		}
102
103	132	return $bytes;
104		}
105
106		/**
107		* Setter for the output cipher format code property.
108		*
109		* @param int $cipherFormat The output cipher format code.
110		*
111		* @return $this The encryption algorithm object.
112		* @throws \Exception Validation errors.
113		*/
114	48	public function setCipherFormat($cipherFormat)
115		{
116	48	$cipherFormat = filter_var(
117	48	$cipherFormat,
118	48	FILTER_VALIDATE_INT,
119		[
120		"options" => [
121	48	"min_range" => self::ENCRYPTION_OUTPUT_RAW,
122	48	"max_range" => self::ENCRYPTION_OUTPUT_BASE_64_URL,
123		],
124		]
125		);
126
127	48	if ($cipherFormat === false) {
128	12	throw new \InvalidArgumentException(
129		'The output format mode must be an integer between ' .
130	12	self::ENCRYPTION_OUTPUT_RAW . ' and ' . self::ENCRYPTION_OUTPUT_BASE_64_URL . '.'
131		);
132		}
133
134	36	$this->cipherFormat = $cipherFormat;
135
136	36	return $this;
137		}
138
139		/**
140		* Getter for the output cipher format code property.
141		*
142		* @return int The output cipher format code.
143		*/
144	48	public function getCipherFormat()
145		{
146	48	return $this->cipherFormat;
147		}
148		}
149

TonyKaravasilev / CryptoManana

Branch — master (e30bd8)

CipherDataFormatsTrait::encryptionFormat() A

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