cos 请求签名（Python PHP ）

import hmac
import hashlib
import time

import datetime, time

'''
格式如下：
KeyTime = [Now];[Expires]
SignKey = HMAC-SHA1([SecretKey], KeyTime)
HttpString = [HttpMethod]\n[HttpURI]\n[HttpParameters]\n[HttpHeaders]\n
StringToSign = sha1\nKeyTime\nSHA1(HttpString)\n
Signature = HMAC-SHA1(SignKey, StringToSign)
'''
serid = ""
serkey = ""
def get_authorization(metod,key):
    q_sing = 'q-sign-algorithm=sha1'
    q_key = '&q-ak={}'.format(serid)


    StartTimestamp = int(time.time())  # UINX 时间
    print(StartTimestamp)
    # EndTimestamp = int(time.time())
    EndTimestamp = StartTimestamp + 6000 # 过期时间设置
    # print(EndTimestamp) # 当前时间戳

    KeyTime = '%s;%s' % (StartTimestamp, EndTimestamp) # 拼接key time
    print('KeyTime:',KeyTime)
    q_sign_time ='&q-sign-time=%s' % KeyTime
    q_key_time ='&q-key-time=%s' % KeyTime

    HeaderList ='&q-header-list='
    UrlParamList ='&q-url-param-list='
    sign_key = hmac.new('{}'.format(serkey).encode('utf-8'), KeyTime.encode('utf-8'), hashlib.sha1).hexdigest()
    print('sign_key',sign_key)
    HttpMethod = '{}'.format(metod)
    HttpURI = '{}'.format(key)  #替换为自己的地址
    HttpParameters = ''
    HttpHeaders = ''
    # HttpString = [HttpMethod]\n[HttpURI]\n[HttpParameters]\n[HttpHeaders]\n
    # http_str = HttpMethod + '\n' + HttpURI + '\n' + '\n'+HttpHeaders + '\n'
    http_str = HttpMethod + '\n' + HttpURI + '\n' + '\n' + '\n'

    sha1_http_string = hashlib.sha1(http_str.encode('utf-8')).hexdigest() # SHA1(HttpString)
    str_to_sign = 'sha1\n%s\n%s\n' % (KeyTime, sha1_http_string)
    sign_nature =hmac.new(sign_key.encode('utf-8'), str_to_sign.encode('utf-8'), hashlib.sha1).hexdigest()

    print('sign_nature',sign_nature)
    q_sign_nature = '&q-signature=%s' % sign_nature
    Authorization = q_sing +q_key +q_sign_time +q_key_time +HeaderList +UrlParamList +q_sign_nature
    print('Authorization:',Authorization)
    return Authorization

#     # request_url = url + Authorization
#     # print(request_url)
get_authorization('post',"/jobs")
# get_authorization('get','/8.jpg-100')

<?php
/**
 * php 签名样例
 * @param string $method 请求类型 method
 * @param string $filename 文件名称
 * @return string 签名字符串
 */
function getAuthorization($secretid, $secretkey, $method, $filename)
{
    // 获取个人 API 密钥 https://console.qcloud.com/capi
    $SecretId = $secretid;
    $SecretKey = $secretkey;
    // 整理参数
    $queryParams = array();
    $headers = array();
    $method = strtolower($method ? $method : 'head');
    $filename = $filename ? $filename : '/';
    substr($filename, 0, 1) != '/' && ($filename = '/' . $filename);
    // 工具方法
    function getObjectKeys($obj)
    {
        $list = array_keys($obj);
        sort($list);
        return $list;
    }
    function obj2str($obj)
    {
        $list = array();
        $keyList = getObjectKeys($obj);
        $len = count($keyList);
        for ($i = 0; $i < $len; $i++) {
            $key = $keyList[$i];
            $val = isset($obj[$key]) ? $obj[$key] : '';
            $key = strtolower($key);
            $list[] = rawurlencode($key) . '=' . rawurlencode($val);
        }
        return implode('&', $list);
    }
    // 要用到的 Authorization 参数列表
    $qSignAlgorithm = 'sha1';
    $qAk = $SecretId;
    $qSignTime = (string)(time() - 60) . ';' . (string)(time() + 3600);
    $qKeyTime = $qSignTime;
    $qHeaderList = strtolower(implode(';', getObjectKeys($headers)));
    $qUrlParamList = strtolower(implode(';', getObjectKeys($queryParams)));
    // 签名算法说明文档：https://www.qcloud.com/document/product/436/7778
    // 步骤一：计算 SignKey
    $signKey = hash_hmac("sha1", $qKeyTime, $SecretKey);
    // 步骤二：构成 FormatString
    $formatString = implode("\n", array(strtolower($method), $filename, obj2str($queryParams), obj2str($headers), ''));
    // 步骤三：计算 StringToSign
    $stringToSign = implode("\n", array('sha1', $qSignTime, sha1($formatString), ''));
    // 步骤四：计算 Signature
    $qSignature = hash_hmac('sha1', $stringToSign, $signKey);
    // 步骤五：构造 Authorization
    $authorization = implode('&', array(
        'q-sign-algorithm=' . $qSignAlgorithm,
        'q-ak=' . $qAk,
        'q-sign-time=' . $qSignTime,
        'q-key-time=' . $qKeyTime,
        'q-header-list=' . $qHeaderList,
        'q-url-param-list=' . $qUrlParamList,
        'q-signature=' . $qSignature
    ));
    return $authorization;
}

$SecretId = '';  # 你的秘钥
$SecretKey = '';
$Method = 'GET';  # 方法
$Cos_Path = '/8.jpg';  # 路径
$sign = getAuthorization($SecretId, $SecretKey, $Method, $Cos_Path);
print_r($sign);