def login(): if current_user.is_authenticated: return redirect(url_for('main.home')) form = LoginForm() if form.validate_on_submit(): user = User.query.filter_by( email=form.email.data).first() #Returns None # if no user is found if user and bcrypt.check_password_hash( user.password, form.password.data): #If user is # found and the passwords match login_user(user, remember=form.remember.data) #If the user checked # the Remember Me box, that information is stored in form.remember next_page = request.args.get( 'next') #This allows us to redirect to # the intended page after being forced to login # request.args is a dictionary, so using the method .get() returns # the key if it is present but returns None if not. This means no # KeyError is raised if the key (next) is not in the dictionary return redirect(next_page) if next_page else redirect( url_for('main.home')) #Ternary conditional else: flash('Incorrect Login. Please check email and password', 'danger') return render_template('login.html', title='Login', form=form)
def login(): if current_user.is_authenticated: return redirect(url_for('main.share')) form = LoginForm() if form.validate_on_submit(): user = User.query.filter_by(email=form.email.data).first() if user and bcrypt.check_password_hash(user.password, form.password.data): login_user(user, remember=form.remember.data) next_page = request.args.get('next') return redirect(next_page) if next_page else redirect(url_for('main.index')) else: flash('Login Unsuccessful. Please check email and password', 'danger') return render_template('login.html', title='Login', form=form)