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378
main.py
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@ -1,369 +1,17 @@
from crypt import methods
from fileinput import filename
import queue, sqlite3, time, atexit, sys, uuid, json, urllib.parse, logging, datetime, os
from flask import Flask, render_template, request, make_response, session, url_for
from flask_socketio import SocketIO, join_room, leave_room
from flask_session import Session
from markupsafe import escape
from venv import create
from Website import create_app
from flask_socketio import SocketIO
import atexit, sqlite3, sys, datetime, logging
#db_config test
db_path = 'mate.db'
conn = sqlite3.connect(db_path, check_same_thread=False)
c = conn.cursor()
#flask_config
app = Flask(__name__)
key = str(uuid.uuid4().hex)
app.config['SESSION_TYPE'] = 'filesystem'
app.config['SECRET_KEY'] = key
Session(app)
socketio = SocketIO(app)
#logging_config
now = datetime.datetime.now().strftime('%d-%m-%Y-%H-%M-%S')
logging.basicConfig(filename=f"logs/matekasse-{now}.log",filemode='w', format='%(asctime)s - %(name)s - %(levelname)s - %(message)s' ,encoding='utf-8', level=logging.INFO)
db_log = logging.getLogger('db')
website_log = logging.getLogger('website')
#var
status = True
users = queue.Queue()
finished = None
message = None
def exit_handler():
conn.commit()
conn.close()
website_log.info("Website exited")
def exit_handler():
sys.exit("Program sucsesfully exited")
#website
@app.route('/favicon.ico')
def favicon():
return url_for('static', filename='Logo_CCC.svg.png')
@app.route('/socket.io.js')
def socketiojs():
return url_for('static', filename='socket.io.js')
@app.route("/")
def index():
return """
<a href="/list">user and tag list</a>
<p>The creator of this website accepts no liability for any linguistic or technical errors!</p>
<br style="line-height: 500%;"></br>
<a href="/documentation">Doumentation</a><script src="/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous">
</script>
<script type="text/javascript" charset="utf-8">
window.location="http://matekasse.server.c3h/list"
</script>
"""
@app.route("/list")
def list():
c.execute("SELECT * FROM users")
users = c.fetchall()
text = ""
for i in users:
text = text + f'<p><a href="list/user?id={i[0]}">{escape(i[1])}</a>: {i[2]} <form action="/change" method="get"><input name="id" type="hidden" value="{i[0]}"> Change balance: <input name="change"><input type="submit"></form></p> <br style="line-height: 50%;"></br>'
return '''<!DOCTYPE html>
<html lang="en">
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
var socket = io();
socket.on("update", function(){
window.location="http://matekasse.server.c3h/list"
});
</script>
<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p>
<p>1 Credit = 1,50 Euro</p>
<form action="/list/user" method="get"> Search for User: <input name="user"><input type="submit"></form>
<form action="/adduser" method="get"><button type="submit">Add User</button></form>
<br></br>
''' + text + '<a href="/documentation">Doumentation</a></html>'
@app.route("/list/user", methods=['GET'])
def user_info():
id = request.args.get("id")
c.execute(f"SELECT * FROM users WHERE id=?", [id])
user_list = c.fetchall()
if user_list != []:
user = user_list[0]
c.execute(f"SELECT * FROM tags WHERE userid={user[0]}")
tags = c.fetchall()
text = ""
for tag in tags:
text = text + f"<p>{tag[0]}</p>"
return f"""<!DOCTYPE html>
<html lang="en">
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
var socket = io();
""" + 'socket.on("update", function(){ window.location="http://matekasse.server.c3h/list/user?id=' + id + '"});' + f"""
</script>
<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p>
<p> {escape(user[1])} : {user[2]} <p>
<form action="/addtag" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Add Tag</button></form>
<form action="/removetag" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Remove Tag</button></form>
</p><form action="/change" method="get"><input name="id" type="hidden" value="{user[0]}"> Change balance: <input name="change"><input type="submit"></form>
</p>
<br></br>
<p>Tags:</p>
{text}
<br></br>
<form action="/removeuser/confirmation" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Remove User</button></form>
</html>
"""
else:
return "Error: 043"
@app.route("/adduser")
def new_user():
return render_template("adduser.html")
@app.route("/removeuser/confirmation", methods=['GET'])
def confirm_remove_user():
user_id = request.args.get("id")
return f'<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p> <p>Do your realy want to <a href="/removeuser?id={user_id}">remove the user</a></p>'
@app.route("/removeuser", methods=['GET'])
def remove_user():
user_id = request.args.get("id")
c.execute(f"SELECT * FROM users WHERE id=?", [user_id])
users = c.fetchall()
if users != []:
user_name = users[0][1]
c.execute(f"DELETE FROM tags WHERE userid=?", [user_id])
db_log.info(f"Deleted all tags from user ?", [user_id])
c.execute(f"DELETE FROM users WHERE id=?", [user_id])
db_log.info(f"Deleted user ?", [user_id])
conn.commit()
socketio.emit("update", "update")
return f'<p><p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p> <p>Deleted user {escape(user_name)}</p><a href="/list">return to the tags and user list</a></p>'
else:
return "Error: 043"
@app.route("/adduser/user", methods=['GET'])
def adduser():
username = request.args.get("username")
c.execute("SELECT * FROM users WHERE username=?", [username])
if c.fetchall() == []:
c.execute("INSERT or IGNORE INTO users (username, balance) VALUES (?, 0)", [username])
conn.commit()
socketio.emit("update", "update")
c.execute(f"SELECT * FROM users WHERE username=?", [username])
user = c.fetchall()[0]
db_log.info(f"Added user id: {user[0]} name: {user[2]}")
return """<html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
window.location="http://matekasse.server.c3h/list";
</script>
</html>
"""
else:
return '<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p><p>Error: 170</p> '
@app.route("/change", methods=['GET'])
def change():
try:
user_id = request.args.get("id")
change = int(request.args.get("change"))
except:
return '<p>Error: 095</p><a href="/list">tags and user list</a>'
c.execute(f"SELECT * FROM users WHERE id=?", [user_id])
users = c.fetchall()
if users != []:
balance_old = users[0][2]
c.execute(f"UPDATE users SET balance = balance + {change} WHERE id={user_id}")
conn.commit()
c.execute(f"SELECT * FROM users WHERE id={user_id}")
user = c.fetchall()[0]
db_log.info(f"Changed the balance from user {user[0]} from {balance_old} to {user[2]}")
socketio.emit("update", "update")
return """<html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
window.location="http://matekasse.server.c3h/list";
</script>
</html>
"""
else:
return '<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p> <p>Error: 043</p>'
@app.route("/addtag", methods=['GET'])
def get_addtag_request():
global users
try:
user_id = int(request.args.get("id"))
except: #except im Normalen Code!
return "Error: 095"
session_id = uuid.uuid4()
session[id] = session_id
users.put([user_id, "add", session_id])
return render_template("addtag.html", user=user_id)
@socketio.on('addtag')
def request_addtag(data):
global finished
global message
join_room(session[id])
if len(users.queue) > 0:
user = users.queue[len(users.queue) - 1]
if user == [data["data"], "add", session[id]]:
socketio.emit("wait", "wait", to=session[id])
i = 0
while finished != [data["data"], "add", session[id]]:
time.sleep(1)
i += 1
if i > 20:
socketio.emit("error", "352", to=session[id])
notimportant = users.get()
break
else:
finished = None
socketio.emit("finished", f"{message}", to=session[id])
else:
socketio.emit("busy", "busy", to=session[id])
else:
socketio.emit("error", "418", to=session[id])
leave_room(session[id])
@app.route("/removetag", methods=['GET'])
def get_removetag_request():
global users
try:
user_id = int(request.args.get("id"))
except: #except im Normalen Code!
return "Wrong user id!"
session_id = uuid.uuid4()
session[id] = session_id
users.put([user_id, "remove", session_id])
return render_template("removetag.html", user=user_id)
@socketio.on('removetag')
def request_removetag(data):
global finished
global message
join_room(session[id])
if len(users.queue) > 0:
queue_item = users.queue[len(users.queue) - 1]
user = queue_item[0]
if queue_item == [data["data"], "remove", session[id]]:
socketio.emit("wait", "wait", to=session[id])
i = 0
while finished != [data["data"], "remove", session[id]]:
time.sleep(1)
i += 1
if i > 20:
socketio.emit("error", "352", to=session[id])
notimportant = users.get()
break
else:
finished = None
socketio.emit("finished", f"{message}", to=session[id])
else:
socketio.emit("busy", "busy", to=session[id])
else:
socketio.emit("error", "418", to=session[id])
leave_room(session[id])
#api
@app.route("/api/change", methods=['GET'])
def api_change():
userid = request.args.get("id")
c.execute("SELECT * FROM users WHERE id=?", [userid])
user_list = c.fetchall()
if user_list != []:
user = user_list[0]
try:
change = int(request.args.get("change"))
except:
return make_response(json.dumps({"mode":"error","error":"095"}))
if change == None:
change = 1
c.execute(f"UPDATE users SET balance = balance + {change} WHERE id={user[0]}")
c.execute(f"SELECT * FROM users WHERE id = {userid}")
user_new = c.fetchall()[0]
db_log.info(f"Changed the balance from user {user[0]} from {user[2]} to {user_new[2]}")
socketio.emit("update", "update")
return make_response(json.dumps({"mode":"balance", "username":user[1], "balance":user[2]}))
else:
return make_response(json.dumps({"mode":"error","error":"043"}))
@app.route("/api/tag_id", methods=['GET'])
def get_id():
global finished
global message
tag_id = request.args.get("id")
c.execute(f"SELECT * FROM tags WHERE tagid=?", [tag_id])
tag_list = c.fetchall()
if users.qsize() > 0:
queue_item = users.get()
user = queue_item[0]
state = queue_item[1]
c.execute(f"SELECT * FROM users WHERE id=?", [user])
username = c.fetchall()[0][1]
if state == "add":
c.execute(f"SELECT * FROM tags WHERE tagid={tag_id}")
if c.fetchall() != []:
message = "Error: 170"
finished = queue_item
return make_response(json.dumps({"mode":"error","error":"170"}))
else:
c.execute(f"INSERT OR IGNORE INTO tags (tagid, userid) VALUES ({tag_id}, ?)", [user])
message = f"Added {tag_id} to {username}"
db_log.info(message)
finished = queue_item
conn.commit()
return make_response(json.dumps({"mode":"message","username":"%s".format(username),"message":"A tag was added"}))
elif state == "remove":
c.execute(f"SELECT * FROM tags WHERE (tagid = {tag_id} AND userid = ?)", [user])
tags = c.fetchall()
if tags != []:
c.execute(f"DELETE FROM tags WHERE (tagid = {tag_id} AND userid = ?)", [user])
message = f"Removed {tag_id} from {username}"
db_log.info(message)
finished = queue_item
conn.commit()
return make_response(json.dumps({"mode":"message","username":"%s".format(username),"message":"A tag was removed"}))
else:
message = "054"
finished = queue_item
return make_response(json.dumps({"mode":"error","error":"054"}))
finished = queue_item
socketio.emit("update", "update")
return make_response(json.dumps({"mode":"error","error":"418"}))
elif tag_list != []:
tag = tag_list[0]
c.execute(f"SELECT * FROM users WHERE id={tag[1]}")
user_list = c.fetchall()
if user_list != []:
balance_old = user_list[0][2]
if users.qsize() == 0:
c.execute(f"UPDATE users SET balance = balance - 1 WHERE id={tag[1]}")
conn.commit()
c.execute(f"SELECT * FROM users WHERE id={tag[1]}")
user = c.fetchall()[0]
db_log.info(f"Changed the balance from user {user[0]} from {balance_old} to {user[2]}")
socketio.emit("update", "update")
return make_response(json.dumps({"mode":"balance", "username":user[1], "balance":user[2]}))
else:
return make_response(json.dumps({"mode":"error", "error":"043"}))
socketio.emit("update", "update")
return make_response(json.dumps({"mode":"error","error":"054"}))
#Documentation
@app.route("/documentation")
def documentation():
return render_template("documentation.html")
def main():
atexit.register(exit_handler)
website_log.info("Website is starting")
socketio.run(app, host='0.0.0.0', port=5000, cors_allowed_origins="*")
app_data = create_app()
app = app_data["app"]
socketio = app_data["socketio"]
atexit.register(exit_handler)
socketio.run(app, host='0.0.0.0', port=5000)
if __name__ == "__main__":
main()

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requirements.txt
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flask
flask_socketio
bidict==0.22.1
blinker==1.6.2
click==8.1.6
coverage==7.2.7
Flask==2.3.2
Flask-SocketIO==5.3.4
iniconfig==2.0.0
itsdangerous==2.1.2
Jinja2==3.1.2
MarkupSafe==2.1.3
packaging==23.1
pluggy==1.2.0
pytest==7.4.0
python-engineio==4.5.1
python-socketio==5.8.0
Werkzeug==2.3.6

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templates/addtag.html
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<!DOCTYPE html>
<html lang="en">
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
var socket = io();
var user = {{ user }}
socket.on('connect', function() {
socket.emit('addtag', {data: user});
});
socket.on("busy", function(){
document.write('<p>the nfc reader is busy at the moment. Pleas Wait ...</p>')
socket.emit('addtag', {data: user})
});
socket.on("wait", function(){
document.write('<p>Pleas hold your tag on to the nfc reader</p>')
});
socket.on("error", function(data) {
alert(data)
window.location="http://matekasse.server.c3h/"
});
socket.on("finished", function(data){
alert(data)
window.location="http://matekasse.server.c3h/"
});
</script>
</html>

8
templates/adduser.html
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<!DOCTYPE html>
<html lang="en">
<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p>
<p>
Username:
<form action="/adduser/user" method="get"><input name="username"><input type="submit"></form>
</p>
</html>

17
templates/base.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>
{% block title %} {% endblock %} - FlaskApp
</title>
</head>
<body>
<nav>
<p><a href="/list">user and tag list</a> | <a href="/documentation">Documentation</a></p>
</nav>
<hr>
<div class="conntent">
{% block content %} {% endblock %}
</div>
</body>
</html>

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templates/change.html
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<!DOCTYPE html>
<html lang="en">
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
var socket = io();
var change = {{change}}
socket.on('connect', function() {
socket.emit('addtag', {data: user});
});
socket.on("besetzt", function(){
document.write('<p>besetzt</p>')
socket.emit('addtag', {data: user})
});
socket.on("wait", function(){
document.write('<p>wait</p>')
});
socket.on("error", function(data) {
alert(data)
window.location="http://matekasse.server.c3h/"
});
socket.on("finished", function(data){
alert(data)
window.location="http://matekasse.server.c3h/"
});
</script>
</html>

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templates/documentation.css
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body{
background-color: rgb(255, 255, 255);
font-size: 100%;
}
h1{
font-size: 10em;
color: rgb(0, 0, 0);
}
h2{
font-size: 5em;
color: rgb(0, 0, 0)
}
#Infos{
color: black;
box-shadow: 3px 3px gray ;
background-color: lightgreen;
border-style: solid;
border-radius: 40px;
padding: 5px;
border-width: 1px;
border-color:white;
margin-bottom: 50px;
}
#text_header{
color: black;
font-size: 40px;
}
#text{
text-align: center;
color: black;
background-color: gray;
border: 2px;
border-style: dashed;
border-color: white;
border-radius: 10px;
}

46
templates/documentation.html
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<html>
<head>
<title>Documentation</title>
<link rel="stylesheet" type="text/css" href="documentation.css">
<link rel="shortcut icon" type="Logo/png" href="ccc_logo.png"/>
</head>
<body>
<div id="Infos">
<p> <a href="/">index page</a> | <a href="/list">user and tag list</a></p>
</div>
<h1 class="header"> <u>Documentation</u> </h1>
<p>&nbsp;</p>
<div id="text">
<h2>API:</h2>
<p>http://matekasse.server.c3h/api/tag_id?={tag_id}</p>
<p>Response:
{"mode":"error" "error":"{error}"} or
{"mode":"message","username":"{username}","message":"{message}"} or
{"mode":"balance", "username":"{username}", "balance":"{balance}"}
</p>
<br></br>
<p>http://matekasse.server.c3h/api/change?id={user_id}&?change={change}</p>
<p>
If change = None the change will be 1
</p>
<p>
Response:
{"mode":"error" "error":"{error}"} or
{"mode":"balance", "username":"{username}", "balance":"{balance}"}
</p>
<br></br>
<h2>Error Codes:</h2>
<p>170: Tag already exists</p>
<p>054: Tag does not exists</p>
<p>757: Usere already exists</p>
<p>043: User does not exists</p>
<p>352: Timeout</p>
<p>095: Input is not a Number</p>
<P>418: I'm a teapot</P>
</div>
</body>
</html>

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templates/removetag.html
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<!DOCTYPE html>
<html lang="en">
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8">
var socket = io();
var user = {{ user }}
socket.on('connect', function() {
socket.emit('removetag', {data: user});
});
socket.on("busy", function(){
document.write('<p>the nfc reader is busy at the moment. Pleas Wait ...</p>')
socket.emit('addtag', {data: user})
});
socket.on("wait", function(){
document.write('<p>Pleas hold your tag on to the nfc reader</p>')
});
socket.on("error", function(data) {
alert(data)
window.location="http://matekasse.server.c3h/"
});
socket.on("finished", function(data){
alert(data)
window.location="http://matekasse.server.c3h/"
});
</script>
</html>