99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# Copyright 2025, School of Engineering and Architecture of Fribourg
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from flask import request, Flask, url_for, render_template, redirect
|
|
import operators
|
|
import json
|
|
|
|
|
|
__author__ = 'Michael Mader'
|
|
__date__ = "2025-03-10"
|
|
__version__ = "0.5"
|
|
__email__ = "michael.maeder@hefr.ch"
|
|
|
|
|
|
"""
|
|
DevSecOps lab
|
|
|
|
A little web application that offers API calls for arithmetic operations
|
|
"""
|
|
|
|
|
|
# creation of the Flask application
|
|
app = Flask(__name__)
|
|
|
|
app.config['SECRET_KEY'] = 'the-best-secret-ever' # super secure key against CSRF attacks
|
|
|
|
# global variable containing the name of the login user
|
|
global_data = {'username': 'no_user'}
|
|
|
|
|
|
# incrementation route
|
|
@app.route('/inc')
|
|
def plus_one():
|
|
x = int(request.args.get('x', 1))
|
|
return json.dumps({'x': operators.addition(x, 1)})
|
|
|
|
# addition route, the parameters will be passed with 'x' and 'y'
|
|
@app.route('/add')
|
|
def plus_y():
|
|
x = int(request.args.get('x', 1))
|
|
y = int(request.args.get('y', 1))
|
|
return json.dumps({'result': operators.addition(x, y)})
|
|
|
|
|
|
# multiplication route, the parameters will be passed with 'x' and 'y'
|
|
@app.route('/mul')
|
|
def multiply_y():
|
|
x = int(request.args.get('x', 1))
|
|
y = int(request.args.get('y', 1))
|
|
return json.dumps({'result': operators.multiplication(x, y)})
|
|
|
|
|
|
# division route, the parameters will be passed with 'x' and 'y'
|
|
@app.route('/div')
|
|
def division_y():
|
|
x = int(request.args.get('x', 1))
|
|
y = int(request.args.get('y', 1))
|
|
return json.dumps({'result': operators.division(x, y)})
|
|
|
|
|
|
# help route, giving some information about the API
|
|
@app.route('/help')
|
|
def unused():
|
|
return "Super calculator API"
|
|
|
|
|
|
# default route, just showing the main page
|
|
@app.route('/')
|
|
@app.route('/index')
|
|
def index():
|
|
return render_template('index.html', title='Home', app_data=global_data, )
|
|
|
|
|
|
# login route, the given username will be used to welcome the user
|
|
@app.route('/login', methods=['GET', 'POST'])
|
|
def login():
|
|
# handle the POST request
|
|
if request.method == 'POST':
|
|
username = request.form["username"]
|
|
print(f"got: {username}")
|
|
global_data['username'] = request.form.get('username')
|
|
return redirect(url_for('index'))
|
|
# otherwise handle the GET request
|
|
return render_template('login.html', title='Sign In',)
|