乾貨!flask登陸註冊token驗證接口開發詳解

今天給你們獻上登陸註冊接口開發,是基於token驗證的。我們閒言少敘,進入正題!數據庫

首先看一下數據庫模型:json

#pip install passlib
from passlib.apps import custom_app_context as pwd_context
class Shop_list(db.Model):
    __tablename__ = 'shop_list'
    userName = db.Column(db.BigInteger,primary_key = True) #手機號
    passWord = db.Column(db.Text,nullable=False)
    def hash_password(self, password): #給密碼加密方法
        self.passWord = pwd_context.encrypt(password)
 
    def verify_password(self, password): #驗證密碼方法
        return pwd_context.verify(password, self.passWord)

 結構很是簡單,給你們作個demo,下面的兩個方法是加密和驗證密碼的,記住就行api

接下來看一下注冊接口:session

@app.route('/api/v1/admin/register',methods=['POST'])
def register():
    username = request.form.get('username')
    password = request.form.get('password')
    save = Shop_list(userName=username)
    save.hash_password(password) #調用密碼加密方法
    db.session.add(save)
    db.session.commit()
    return 'success'

這個也沒啥可解釋的,先介紹數據在保存就完事了app

 接下來是登陸接口函數

@app.route('/api/v1/admin/login',methods=['POST'])
def login():
    username = request.form.get('username')
    password = request.form.get('password')
    obj = Shop_list.query.filter_by(userName=username).first()
    if not obj:
        return res_json(201,'','未找到該用戶')
    if obj.verify_password(password):
        token = generate_token(username)
        return res_json(200,{'token':token},'登陸成功')
    else:
        return res_json(201,'','密碼錯誤')

解釋:res_json是我封裝的返回json數據的函數 ,generate_token是生成token的函數加密

重頭戲:token的生成與驗證方法url

import time
import base64
import hmac
#生成token 入參:用戶id

def generate_token(key, expire=3600):
    ts_str = str(time.time() + expire)
    ts_byte = ts_str.encode("utf-8")
    sha1_tshexstr  = hmac.new(key.encode("utf-8"),ts_byte,'sha1').hexdigest() 
    token = ts_str+':'+sha1_tshexstr
    b64_token = base64.urlsafe_b64encode(token.encode("utf-8"))
    return b64_token.decode("utf-8")
#驗證token 入參:用戶id 和 token
def certify_token(key, token):
    token_str = base64.urlsafe_b64decode(token).decode('utf-8')
    token_list = token_str.split(':')
    if len(token_list) != 2:
        return False
    ts_str = token_list[0]
    if float(ts_str) < time.time():
        # token expired
        return False
    known_sha1_tsstr = token_list[1]
    sha1 = hmac.new(key.encode("utf-8"),ts_str.encode('utf-8'),'sha1')
    calc_sha1_tsstr = sha1.hexdigest()
    if calc_sha1_tsstr != known_sha1_tsstr:
        # token certification failed
        return False 
    # token certification success
    return True

就是這麼簡單,你學會了嗎?code

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