def login():
"""
用户登录
"""
logger.info('url = ' + str(request.url))
# 如果用户已经登录，就不再需要登录，直接返回主页
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
# 登录
if form.validate_on_submit():
# 将email转成小写然后取用户数据，注册时也转成了小写
user = User.query.filter_by(email=form.email.data.lower()).first()
# 用户不存在或者验证密码错误
# 取出用户数据后，调用validate_password来判断密码是否匹配，密码都是加密的
if user is not None and user.validate_password(form.password.data):
# login_user是flask-login库的，用来保存用户信息
if login_user(user, form.remember_me.data):
flash('登录成功！', 'info')
return redirect_back()
else:
flash('你的账号已被禁止登录！', 'warning')
return redirect(url_for('main.index'))
flash('错误的邮箱或者密码，请确认后再登录！', 'warning')
return render_template('auth/login.html', form=form)
def re_authenticate():
if login_fresh():
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit() and current_user.validate_password(form.password.data):
confirm_login()
return redirect_back()
return render_template('auth/login.html', form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data.lower()).first()
if user is not None and user.validate_password(form.password.data):
login_user(user, form.remember_me.data)
flash('Login success.', 'info')
return redirect_back()
flash('Invalid email or password.', 'warning')
return render_template('auth/login.html', form=form)
def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data.lower()).first()
if user is not None and user.validate_password(form.password.data):
if login_user(user, form.remember_me.data):
flash("login success", 'info')
return redirect_back()
else:
flash("Your account is blocked.", "warning")
return redirect(url_for('main.index'))
flash("Invalid email or password.", 'warning')
return render_template('auth/login.html', form=form)
def re_authenticate():
''''对已经登录的用户重新认证，保持 “新鲜”。
类似 Github 等认证。对于一些敏感操作需要重新认证，例如修改密码。
'''
if login_fresh():
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit() and current_user.validate_password(
form.password.data):
confirm_login()
return redirect_back()
return render_template('auth/login.html', form=form)
def re_authenticate():
"""
重新认证
"""
logger.info('url = ' + str(request.url))
# 刷新
if login_fresh():
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit() and current_user.validate_password(form.password.data):
confirm_login()
return redirect_back()
return render_template('auth/login.html', form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for("main.index"))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data.lower()).first()
if user is not None and user.validate_password(form.password.data):
if login_user(user, form.remember_me.data):
flash("Login success.", "info")
return redirect_back()
else:
flash("Your account is blocked.", "warning")
return redirect(url_for("main.index"))
flash("Invalid Email or password.", "warning")
return render_template("auth/login.html", form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data.lower()).first()
if user is not None and user.validate_password(form.password.data):
# login_user(user,form.remember_me.data)
# 如果用户对象的is_active属性为False，Flask-Login将拒绝登录用户
if login_user(user, form.remember_me.data):
flash('登陆成功', 'info')
return redirect_back()
else:
flash('你的账号已被封禁', 'warning')
return redirect(url_for('main.index'))
flash('邮箱或密码错误', 'warning')
return render_template('auth/login.html', form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data.lower()).first()
if user is not None and user.validate_password(form.password.data):
# login_user(user, form.remember_me.data)
# flash('登录成功。', 'success')
# return redirect_back()
if login_user(user, form.remember_me.data):
flash('登录成功。', 'success')
return redirect_back()
else: # 当 login_user() 返回 False 时，说明用户的 active 属性为 False
flash('你的账号被封了。', 'warning') # 返回封禁提示
return redirect(url_for('main.index'))
flash('无效的邮箱或密码', 'warning')
return render_template('auth/login.html', form=form)
def login():
if current_user.is_authenticated:
return redirect(url_for("main.index"))
form = LoginForm()
if form.validate_on_submit():
username = form.username.data
password = form.password.data
remember_me = form.remember_me.data
user = User.query.filter_by(username=username).first()
if user is not None and user.validate_password(password):
if login_user(user, remember_me):
flash("Welcome back %s" % user.username, 'info')
return redirect(url_for('user.index', username=username))
else:
flash('Your account is blocked', 'warning')
return redirect(url_for('main.index'))
flash("Wrong username or password", 'warning')
return render_template('auth/login.html', form=form)
def login():
form = LoginForm()
if current_user.is_authenticated:
return redirect(url_for('main.index'))
if form.validate_on_submit():
username = form.username.data
password = form.password.data
remember = form.remember.data
user = User.query.filter_by(username=username).first()
if user:
if user.validate_password(password):
if login_user(user, remember):
flash('Welcome back.', 'info')
return redirect_back()
else:
flash('Your account is blocked.', 'warning')
return redirect(url_for('main.index'))
flash('Invalid username or password.', 'warning')
else:
flash('No account.', 'warning')
return render_template('auth/login.html', form=form)