Wechat\Utils\Code\PKCS7Encoder

Complexity

Total Complexity

6

Size/Duplication

Total Lines	47
Duplicated Lines	19.15 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	encode()	0	18	3
A	decode()	9	9	3

<?php

namespace Wechat\Utils\Code;

use Wechat\Utils\Code\ErrorCode;

/**
 * PKCS7Encoder class
 *
 * 提供基于PKCS7算法的加解密接口.
 */
class PKCS7Encoder
{
    public static $block_size = 32;

    /**
     * 对需要加密的明文进行填充补位
     *
     * @param $text 需要进行填充补位操作的明文
     *
     * @return 补齐明文字符串
     */
    public function encode($text)
    {
        $block_size  = PKCS7Encoder::$block_size;

$block_size is not used, you could remove the assignment.

        $text_length = strlen($text);
        //计算需要填充的位数
        $amount_to_pad = PKCS7Encoder::$block_size - ($text_length % PKCS7Encoder::$block_size);
        if ($amount_to_pad == 0) {
            $amount_to_pad = PKCS7Encoder::block_size;
        }
        //获得补位所用的字符
        $pad_chr = chr($amount_to_pad);
        $tmp     = "";
        for ($index = 0; $index < $amount_to_pad; $index++) {
            $tmp .= $pad_chr;
        }

        return $text . $tmp;
    }

    /**
     * 对解密后的明文进行补位删除
     *
     * @param decrypted 解密后的明文
     *
     * @return 删除填充补位后的明文
     */
    public function decode($text)

This method seems to be duplicated in your project.

    {
        $pad = ord(substr($text, -1));
        if ($pad < 1 || $pad > 32) {
            $pad = 0;
        }

        return substr($text, 0, (strlen($text) - $pad));
    }
}