文档中心

			
			

				const crypto = require('crypto'); 
			

			

				  
			

			

				function sha256(message, secret = '', encoding) { 
			

			

				 const hmac = crypto.createHmac('sha256', secret) 
			

			

				 return hmac.update(message).digest(encoding) 
			

			

				} 
			

			

				  
			

			

				function getHash(message, encoding = 'hex') { 
			

			

				 const hash = crypto.createHash('sha256') 
			

			

				 return hash.update(message).digest(encoding) 
			

			

				} 
			

			

				  
			

			

				function getDate(timestamp) { 
			

			

				 const date = new Date(timestamp * 1000) 
			

			

				 const year = date.getUTCFullYear() 
			

			

				 const month = ('0' + (date.getUTCMonth() + 1)).slice(-2) 
			

			

				 const day = ('0' + date.getUTCDate()).slice(-2) 
			

			

				 return `${year}-${month}-${day}` 
			

			

				} 
			

			

				  
			

			

				function main(){ 
			

			

				 // 密钥参数 
			

			

				 // 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKIDz8krbsJ5yKBZQpn74WFkmLPx3******* 
			

			

				 const SECRET_ID = process.env.TENCENTCLOUD_SECRET_ID 
			

			

				 // 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 Gu5t9xGARNpq86cd98joQYCN3******* 
			

			

				 const SECRET_KEY = process.env.TENCENTCLOUD_SECRET_KEY 
			

			

				  
			

			

				 const endpoint = "1253970226-xxxxxxx-cq.scf.tencentcs.com" 
			

			

				 const service = "scf" 
			

			

				 const timestamp = getTime() 
			

			

				 //时间处理, 获取世界时间日期 
			

			

				 const date = getDate(timestamp) 
			

			

				  
			

			

				 // ************* 步骤 1：拼接规范请求串 ************* 
			

			

				 const payload = "{\"Limit\": 1, \"Filters\": [{\"Values\": [\"\\u672a\\u547d\\u540d\"], \"Name\": \"instance-name\"}]}" 
			

			

				  
			

			

				 const hashedRequestPayload = getHash(payload); 
			

			

				 const httpRequestMethod = "POST" 
			

			

				 const canonicalUri = "/" 
			

			

				 const canonicalQueryString = "" 
			

			

				 const canonicalHeaders = "content-type:application/json\n" 
			

			

				 + "host:" + endpoint + "\n" 
			

			

				 const signedHeaders = "content-type;host" 
			

			

				  
			

			

				 const canonicalRequest = httpRequestMethod + "\n" 
			

			

				 + canonicalUri + "\n" 
			

			

				 + canonicalQueryString + "\n" 
			

			

				 + canonicalHeaders + "\n" 
			

			

				 + signedHeaders + "\n" 
			

			

				 + hashedRequestPayload 
			

			

				 console.log(canonicalRequest) 
			

			

				  
			

			

				 // ************* 步骤 2：拼接待签名字符串 ************* 
			

			

				 const algorithm = "TC3-HMAC-SHA256" 
			

			

				 const hashedCanonicalRequest = getHash(canonicalRequest); 
			

			

				 const credentialScope = date + "/" + service + "/" + "tc3_request" 
			

			

				 const stringToSign = algorithm + "\n" + 
			

			

				 timestamp + "\n" + 
			

			

				 credentialScope + "\n" + 
			

			

				 hashedCanonicalRequest 
			

			

				 console.log(stringToSign) 
			

			

				  
			

			

				 // ************* 步骤 3：计算签名 ************* 
			

			

				 const kDate = sha256(date, 'TC3' + SECRET_KEY) 
			

			

				 const kService = sha256(service, kDate) 
			

			

				 const kSigning = sha256('tc3_request', kService) 
			

			

				 const signature = sha256(stringToSign, kSigning, 'hex') 
			

			

				 console.log(signature) 
			

			

				  
			

			

				 // ************* 步骤 4：拼接 Authorization ************* 
			

			

				 const authorization = algorithm + " " + 
			

			

				 "Credential=" + SECRET_ID + "/" + credentialScope + ", " + 
			

			

				 "SignedHeaders=" + signedHeaders + ", " + 
			

			

				 "Signature=" + signature 
			

			

				 console.log(authorization) 
			

			

				  
			

			

				 const curlcmd = 'curl -X POST ' + "https://" + endpoint 
			

			

				 + ' -H "Authorization: ' + authorization + '"' 
			

			

				 + ' -H "Content-Type: application/json"' 
			

			

				 + ' -H "Host: ' + endpoint + '"' 
			

			

				 + ' -H "X-Scf-Cam-Uin: ' + uin + '"' 
			

			

				 + ' -H "X-Scf-Cam-Timestamp: ' + timestamp.toString() + '"' 
			

			

				 + " -d '" + payload + "'" 
			

			

				 console.log(curlcmd) 
			

			

				} 
			

			

				main() 
			

			
			

				# -*- coding: utf-8 -*- 
			

			

				import hashlib, hmac, json, os, sys, time 
			

			

				from datetime import datetime 
			

			

				  
			

			

				# 密钥参数 
			

			

				# 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKIDz8krbsJ5yKBZQpn74WFkmLPx3******* 
			

			

				secret_id = os.environ.get("TENCENTCLOUD_SECRET_ID") 
			

			

				# 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 Gu5t9xGARNpq86cd98joQYCN3******* 
			

			

				secret_key = os.environ.get("TENCENTCLOUD_SECRET_KEY") 
			

			

				  
			

			

				service = "scf" 
			

			

				host = "1253970226-xxxxxxx-cq.scf.tencentcs.com" 
			

			

				endpoint = "https://" + host 
			

			

				algorithm = "TC3-HMAC-SHA256" 
			

			

				timestamp = int(time.time()) 
			

			

				date = datetime.utcfromtimestamp(timestamp).strftime("%Y-%m-%d") 
			

			

				params = {"Limit": 1, "Filters": [{"Values": [u"未命名"], "Name": "instance-name"}]} 
			

			

				  
			

			

				# ************* 步骤 1：拼接规范请求串 ************* 
			

			

				http_request_method = "POST" 
			

			

				canonical_uri = "/" 
			

			

				canonical_querystring = "" 
			

			

				ct = "application/json" 
			

			

				payload = json.dumps(params) 
			

			

				canonical_headers = "content-type:%s\nhost:%s\n" % (ct, host) 
			

			

				signed_headers = "content-type;host" 
			

			

				hashed_request_payload = hashlib.sha256(payload.encode("utf-8")).hexdigest() 
			

			

				canonical_request = (http_request_method + "\n" + 
			

			

				 canonical_uri + "\n" + 
			

			

				 canonical_querystring + "\n" + 
			

			

				 canonical_headers + "\n" + 
			

			

				 signed_headers + "\n" + 
			

			

				 hashed_request_payload) 
			

			

				print(canonical_request) 
			

			

				  
			

			

				# ************* 步骤 2：拼接待签名字符串 ************* 
			

			

				credential_scope = date + "/" + service + "/" + "tc3_request" 
			

			

				hashed_canonical_request = hashlib.sha256(canonical_request.encode("utf-8")).hexdigest() 
			

			

				string_to_sign = (algorithm + "\n" + 
			

			

				 str(timestamp) + "\n" + 
			

			

				 credential_scope + "\n" + 
			

			

				 hashed_canonical_request) 
			

			

				print(string_to_sign) 
			

			

				  
			

			

				  
			

			

				# ************* 步骤 3：计算签名 ************* 
			

			

				# 计算签名摘要函数 
			

			

				def sign(key, msg): 
			

			

				 return hmac.new(key, msg.encode("utf-8"), hashlib.sha256).digest() 
			

			

				secret_date = sign(("TC3" + secret_key).encode("utf-8"), date) 
			

			

				secret_service = sign(secret_date, service) 
			

			

				secret_signing = sign(secret_service, "tc3_request") 
			

			

				signature = hmac.new(secret_signing, string_to_sign.encode("utf-8"), hashlib.sha256).hexdigest() 
			

			

				print(signature) 
			

			

				  
			

			

				# ************* 步骤 4：拼接 Authorization ************* 
			

			

				authorization = (algorithm + " " + 
			

			

				 "Credential=" + secret_id + "/" + credential_scope + ", " + 
			

			

				 "SignedHeaders=" + signed_headers + ", " + 
			

			

				 "Signature=" + signature) 
			

			

				print(authorization) 
			

			

				  
			

			

				print('curl -X POST ' + endpoint 
			

			

				 + ' -H "Authorization: ' + authorization + '"' 
			

			

				 + ' -H "Content-Type: application/json"' 
			

			

				 + ' -H "Host: ' + host + '"' 
			

			

				 + ' -H "X-Scf-Cam-Uin: ' + uin + '"' 
			

			

				 + ' -H "X-Scf-Cam-Timestamp: ' + str(timestamp) + '"' 
			

			

				 + " -d '" + payload + "'")