forked from mrlan/EnglishPal
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
from flask import *
|
||
from Login import check_username_availability, verify_user, add_user, get_expiry_date, change_password, WarningMessage
|
||
|
||
|
||
# 初始化蓝图
|
||
accountService = Blueprint("accountService", __name__)
|
||
|
||
### Sign-up, login, logout ###
|
||
@accountService.route("/signup", methods=['GET', 'POST'])
|
||
def signup():
|
||
"""
|
||
注册
|
||
:return: 根据注册是否成功返回不同界面
|
||
"""
|
||
if request.method == 'GET':
|
||
# GET方法直接返回注册页面
|
||
return render_template('signup.html')
|
||
elif request.method == 'POST':
|
||
# POST方法需判断是否注册成功，再根据结果返回不同的内容
|
||
username = escape(request.form['username'])
|
||
password = escape(request.form['password'])
|
||
|
||
# ! 添加如下代码为了过滤注册时的非法字符
|
||
warn = WarningMessage(username)
|
||
if str(warn) != 'OK':
|
||
return jsonify({'status': '3', 'warn': str(warn)})
|
||
|
||
available = check_username_availability(username)
|
||
if not available: # 用户名不可用
|
||
return jsonify({'status': '0'})
|
||
else: # 添加账户信息
|
||
add_user(username, password)
|
||
verified = verify_user(username, password)
|
||
if verified:
|
||
# 写入session
|
||
session['logged_in'] = True
|
||
session[username] = username
|
||
session['username'] = username
|
||
session['expiry_date'] = get_expiry_date(username)
|
||
session['visited_articles'] = None
|
||
return jsonify({'status': '2'})
|
||
else:
|
||
return jsonify({'status': '1'})
|
||
|
||
|
||
@accountService.route("/login", methods=['GET', 'POST'])
|
||
def login():
|
||
"""
|
||
登录
|
||
:return: 根据登录是否成功返回不同页面
|
||
"""
|
||
if request.method == 'GET':
|
||
# GET请求
|
||
return render_template('login.html')
|
||
elif request.method == 'POST':
|
||
# POST方法用于判断登录是否成功
|
||
# check database and verify user
|
||
username = escape(request.form['username'])
|
||
password = escape(request.form['password'])
|
||
verified = verify_user(username, password)
|
||
if verified:
|
||
# 登录成功，写入session
|
||
session['logged_in'] = True
|
||
session[username] = username
|
||
session['username'] = username
|
||
user_expiry_date = get_expiry_date(username)
|
||
session['expiry_date'] = user_expiry_date
|
||
session['visited_articles'] = None
|
||
return jsonify({'status': '1'})
|
||
else:
|
||
return jsonify({'status': '0'})
|
||
|
||
|
||
@accountService.route("/logout", methods=['GET', 'POST'])
|
||
def logout():
|
||
"""
|
||
登出
|
||
:return: 重定位到主界面
|
||
"""
|
||
# 将session标记为登出状态
|
||
session['logged_in'] = False
|
||
return redirect(url_for('mainpage'))
|
||
|
||
|
||
@accountService.route("/reset", methods=['GET', 'POST'])
|
||
def reset():
|
||
"""
|
||
重设密码
|
||
:return: 返回适当的页面
|
||
"""
|
||
# 下列方法用于防止未登录状态下的修改密码
|
||
if not session.get('logged_in'):
|
||
return render_template('login.html')
|
||
username = session['username']
|
||
if username == '':
|
||
return redirect('/login')
|
||
if request.method == 'GET':
|
||
# GET请求返回修改密码页面
|
||
return render_template('reset.html', username=session['username'], state='wait')
|
||
else:
|
||
# POST请求用于提交修改后信息
|
||
old_password = escape(request.form['old-password'])
|
||
new_password = escape(request.form['new-password'])
|
||
flag = change_password(username, old_password, new_password) # flag表示是否修改成功
|
||
if flag:
|
||
session['logged_in'] = False
|
||
return jsonify({'status': '1'}) # 修改成功
|
||
else:
|
||
return jsonify({'status': '2'}) # 修改失败
|