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DUALIS Noten POC

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This commit is contained in:
Paul Martin
2023-12-08 11:20:00 +01:00
parent 1b69dc7085
commit 081cb4aaa7
10 changed files with 437 additions and 299 deletions
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62
dualisauth.py
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@ -1,62 +0,0 @@
import requests
import urllib.parse
import time
from bs4 import BeautifulSoup
headers = {
'Cookie': 'cnsc=0',
'Content-Type': 'application/x-www-form-urlencoded',
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'
}
url = "https://dualis.dhbw.de/scripts/mgrqispi.dll"
def checkUser(email: str, password: str):
s = requests.Session()
fpw = urllib.parse.quote(password, safe='', encoding=None, errors=None)
fmail = urllib.parse.quote(email, safe='', encoding=None, errors=None)
payload = 'usrname=' + fmail + '&pass=' + fpw + '&ARGUMENTS=clino%2Cusrname%2Cpass%2Cmenuno%2Cmenu_type%2Cbrowser%2Cplatform&APPNAME=CampusNet&PRGNAME=LOGINCHECK'
response = s.post(url, headers=headers, data=payload)
header = response.headers
try:
refresh = header["REFRESH"]
arg = refresh.find("=-N") + 3
komma = refresh[arg:].find(",")
except KeyError:
return -2, s
token = refresh[arg:komma + arg]
return token, s
def getKurs(token: int, cookie: str):
try:
headers["Cookie"] = "cnsc=" + cookie
token = str(token)
response = requests.request("GET",
url + "?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS=-N" + token + ",-N000307,",
headers=headers, data={})
html = BeautifulSoup(response.text, 'lxml')
link = html.body.find('a', attrs={'id': "Popup_details0001"})['href']
response = requests.request("GET", url + link[21:], headers=headers, data={})
html = BeautifulSoup(response.text, 'lxml')
content = html.body.find('td', attrs={'class': 'level02'}).text
start = content.find(" ") + 4
end = start + (content[start:].find(" "))
kurs = content[start:end]
except:
kurs = 0
return kurs
def logOut(token: int, cookie: str):
headers["Cookie"] = "cnsc=" + cookie
response = requests.request("GET", url + "?APPNAME=CampusNet&PRGNAME=LOGOUT&ARGUMENTS=-N" + str(token) + ", -N001",
headers=headers, data={})
def checkLifetime(timecode: float):
if time.time() - timecode > 1800:
return False
else:
return True

117
fetchDUALIS.py Normal file
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@ -0,0 +1,117 @@
import requests
import urllib.parse
import time
from bs4 import BeautifulSoup
headers = {
'Cookie': 'cnsc=0',
'Content-Type': 'application/x-www-form-urlencoded',
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
'Chrome/58.0.3029.110 Safari/537.36',
'Accept-Encoding': 'utf-8'
}
url = "https://dualis.dhbw.de/scripts/mgrqispi.dll"
def checkUser(email: str, password: str):
s = requests.Session()
fpw = urllib.parse.quote(password, safe='', encoding=None, errors=None)
fmail = urllib.parse.quote(email, safe='', encoding=None, errors=None)
payload = 'usrname=' + fmail + '&pass=' + fpw + ('&ARGUMENTS=clino%2Cusrname%2Cpass%2Cmenuno%2Cmenu_type%2Cbrowser'
'%2Cplatform&APPNAME=CampusNet&PRGNAME=LOGINCHECK')
response = s.post(url, headers=headers, data=payload)
header = response.headers
try:
refresh = header["REFRESH"]
arg = refresh.find("=-N") + 3
komma = refresh[arg:].find(",")
except KeyError:
return -2, s
token = refresh[arg:komma + arg]
return token, s
def getKurs(token: int, cookie: str):
try:
headers["Cookie"] = "cnsc=" + cookie
token = str(token)
response = requests.request("GET", url +
"?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS=-N" + token + ",-N000307,",
headers=headers, data={})
html = BeautifulSoup(response.text, 'lxml')
link = html.body.find('a', attrs={'id': "Popup_details0001"})['href']
response = requests.request("GET", url + link[21:], headers=headers, data={})
html = BeautifulSoup(response.text, 'lxml')
content = html.body.find('td', attrs={'class': 'level02'}).text
start = content.find(" ") + 4
end = start + (content[start:].find(" "))
kurs = content[start:end]
except:
kurs = 0
return kurs
def logOut(token: int, cookie: str):
headers["Cookie"] = "cnsc=" + cookie
requests.request("GET", url + "?APPNAME=CampusNet&PRGNAME=LOGOUT&ARGUMENTS=-N" + str(token)
+ ", -N001", headers=headers, data={})
def getSem(token: int, cookie: str):
headers["Cookie"] = "cnsc=" + cookie
token = str(token)
response = requests.request("GET", url +
"?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS=-N" + token + ",-N000307,",
headers=headers, data={})
html = BeautifulSoup(response.text, 'lxml')
select = html.find('select')
select = select.find_all(value=True)
optlist = []
for i in select:
t = i.text.replace("Wi", "Winter").replace("So", "Sommer")
t = t.replace("Se", "semester")
optlist += [[t, i['value']]]
return optlist
def getResults(token, cookie: str, resl: str):
headers["Cookie"] = "cnsc=" + cookie
response = requests.request("GET", url + "?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS=-N" + token +
",-N000307," + ",-N" + resl, headers=headers, data={})
html = BeautifulSoup(response.content.decode("utf-8"), 'lxml')
table = html.find('table', attrs={"class": "nb list"})
body = table.find("tbody")
vorl = body.find_all("tr")
vorlist = []
for row in vorl:
cols = row.find_all("td")
col = [e.text.strip() for e in cols]
if len(col) != 0:
if len(col[4]) == 0:
col[2] = getPruefung(row.find("a")["href"])
vorlist += [col[1:4]]
return vorlist
def getPruefung(url):
response = requests.request("GET", "https://dualis.dhbw.de" + url, headers=headers, data={})
html = BeautifulSoup(response.content.decode("utf-8"), 'lxml')
table = html.find('table')
pruefung = table.find_all("tr")
ret = " "
for row in pruefung:
cols = row.find_all("td")
col = [e.text.strip() for e in cols]
if len(col) == 6:
ret = col[3][:3]
if ret[1] != ",":
ret = "noch nicht gesetzt"
return ret
def checkLifetime(timecode: float):
if time.time() - timecode > 1800:
return False
else:
return True

2
init-sql.sh
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@ -1,5 +1,5 @@
#!/bin/sh
mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE user ( id int NOT NULL, email VARCHAR(255), password VARCHAR(255), name VARCHAR(255), kurs VARCHAR (15), PRIMARY KEY (ID), UNIQUE (ID, EMAIL) );"
mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE dualis ( uid int NOT NULL, token VARCHAR(255), result_lists VARCHAR(255), token_created INT, PRIMARY KEY (uid));"
mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE dualis ( uid int NOT NULL, token VARCHAR(255), result_list VARCHAR(15), token_created INT, PRIMARY KEY (uid));"
mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE meals ( id int NOT NULL, date date, name VARCHAR(200), vegetarian tinyint(1), vegan tinyint(1), schwein tinyint(1), PRIMARY KEY (id));"

2
init.py
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@ -45,7 +45,7 @@ class Dualis(db.Model):
token = db.Column(db.String(255), unique=True)
uid = db.Column(db.Integer, primary_key=True)
token_created = db.Column(db.Integer)
result_lists = db.Column(db.String(255))
result_list = db.Column(db.String(15))
class Meals(db.Model):

191
app.py → routing.py
View File

@ -1,19 +1,17 @@
#!/usr/bin/env python3.6
from flask import Flask, make_response
from flask import render_template, url_for, send_from_directory, redirect, request, send_file
from flask_login import login_user, login_required, current_user, LoginManager, UserMixin, logout_user, login_manager
from flask_sqlalchemy import SQLAlchemy
from flask import make_response
from flask import render_template, url_for, redirect, request
from flask_login import login_user, login_required, current_user, logout_user
from werkzeug.exceptions import HTTPException
from werkzeug.security import generate_password_hash, check_password_hash
from talisman import Talisman
import hashlib
import datetime
import time
import dualisauth
import fetchDUALIS
import fetchRAPLA
import requesthelpers
from fetchRAPLA import *
from get_mysql import get_mysql
from calendar_generation import getWeek
from init import *
@ -32,69 +30,15 @@ def welcome():
+ name + " (" + kurs + ")")
@app.route("/backendpoc/set-up")
@app.route("/backendpoc/noten")
@login_required
def getKurs():
def displayNoten():
d = Dualis.query.filter_by(uid=current_user.id).first()
if d:
e = False
if not current_user.kurs:
cookie = request.cookies.get("cnsc")
kurs = dualisauth.getKurs(d.token, cookie)
if kurs != 0:
current_user.kurs = kurs
db.session.commit()
else:
e = True
else:
kurs = current_user.kurs
current_user.kurs = kurs
db.session.commit()
else:
e = True
kurs = ""
return render_template('kurs.html', detected=(kurs, e))
@app.route("/backendpoc/error<int:ecode>")
def error(ecode):
if ecode == 900:
msg = "Ungültige RAPLA-URL! Sicher, dass der Link zum DHBW-Rapla führt?"
elif ecode == 899:
msg = "Der Kalender wurde nicht gefunden! Sicher, dass der Link korrekt ist?"
else:
msg = "Unbekannter Fehler!"
return render_template('index.html', message=msg, headermessage="DualHub")
@app.route("/backendpoc/rapla")
@login_required
def chooseRaplas():
r = getRaplas()
return render_template("rapla.html", raplas=r)
@login_required
@app.route("/backendpoc/rapla", methods=["POST"])
def getRapla():
file = str(request.form.get("file"))
url = str(request.form.get("url"))
if file == url == "None":
return redirect(url_for("chooseRaplas"))
if file != "None":
User.query.filter_by(id=current_user.id).first().kurs = file[5:-5]
db.session.commit()
#return send_file("calendars/" + file)
elif url != "None":
file = getNewRapla(url)
if type(file) is not int:
User.query.filter_by(id=current_user.id).first().kurs = file[5:-5]
db.session.commit()
#return send_file("calendars/" + file)
else:
return redirect(url_for("error", ecode=file + 900))
return redirect(url_for("welcome"))
t = d.token
sem = d.result_list
c = request.cookies.get("cnsc")
res = fetchDUALIS.getResults(t, c, sem)
return render_template("noten.html", noten=res, semester=fetchDUALIS.getSem(t, c))
@app.route("/backendpoc/plan", methods=["GET"])
@ -134,6 +78,84 @@ def displayPlan(kurs):
else:
return redirect(url_for("login"))
@app.route("/backendpoc/set-up")
def redKurs():
return redirect(url_for("getKurs"))
@app.route("/backendpoc/set-up/kurs")
@login_required
def getKurs():
d = Dualis.query.filter_by(uid=current_user.id).first()
if d:
e = False
if not current_user.kurs:
cookie = request.cookies.get("cnsc")
kurs = fetchDUALIS.getKurs(d.token, cookie)
if kurs != 0:
current_user.kurs = kurs
db.session.commit()
else:
e = True
else:
kurs = current_user.kurs
current_user.kurs = kurs
db.session.commit()
else:
e = True
kurs = ""
return render_template('kurs.html', detected=(kurs, e))
@app.route("/backendpoc/set-up/semester")
@login_required
def getSemester():
t = Dualis.query.filter_by(uid=current_user.id).first().token
c = request.cookies.get("cnsc")
return render_template("semester.html", semester=fetchDUALIS.getSem(t, c))
@app.route("/backendpoc/set-up/semester", methods=["POST"])
@login_required
def setSemester():
n = request.args.get("next")
if not n:
n = url_for("welcome")
d = Dualis.query.filter_by(uid=current_user.id).first()
d.result_list = request.form.get("sem")
db.session.commit()
return redirect(n)
@app.route("/backendpoc/set-up/rapla")
@login_required
def chooseRaplas():
r = getRaplas()
return render_template("rapla.html", raplas=r)
@login_required
@app.route("/backendpoc/set-up/rapla", methods=["POST"])
def getRapla():
file = str(request.form.get("file"))
url = str(request.form.get("url"))
if file == url == "None":
return redirect(url_for("chooseRaplas"))
if file != "None":
User.query.filter_by(id=current_user.id).first().kurs = file[5:-5]
db.session.commit()
elif url != "None":
file = getNewRapla(url)
if type(file) is not int:
User.query.filter_by(id=current_user.id).first().kurs = file[5:-5]
db.session.commit()
else:
return redirect(url_for("error", ecode=file + 900))
return redirect(url_for("welcome"))
@app.route("/backendpoc/log-in")
def login(code: int = None):
if code:
@ -156,14 +178,14 @@ def login_post():
if user:
dualis = Dualis.query.filter_by(uid=user.id).first()
if check_password_hash(user.password, password):
if not dualis.token or not dualisauth.checkLifetime(dualis.token_created):
new_token = dualisauth.checkUser(email, password)
if not dualis.token or not fetchDUALIS.checkLifetime(dualis.token_created):
new_token = fetchDUALIS.checkUser(email, password)
dualis.token = new_token[0]
newcookie = requesthelpers.getCookie(new_token[1].cookies)
dualis.token_created = time.time()
db.session.commit()
else:
t = dualisauth.checkUser(email, password)
t = fetchDUALIS.checkUser(email, password)
if t[0] == -2:
return redirect(url_for("login", code=-2))
else:
@ -174,11 +196,12 @@ def login_post():
db.session.commit()
login_user(user)
if user.kurs:
success = make_response(redirect(url_for("welcome")))
if not n:
success = make_response(redirect(url_for("welcome")))
success.set_cookie("cnsc", value=newcookie, httponly=True, secure=True)
return success
t = dualisauth.checkUser(email, password)
t = fetchDUALIS.checkUser(email, password)
if t[0] == -2:
return redirect(url_for("login", code=-2))
@ -187,7 +210,6 @@ def login_post():
pname = email.find(".") + 1
ename = min(email[pname:].find("."), email[pname:].find("@"))
name = email[pname:pname + ename].capitalize()
new_user = User(email=email, password=hashpw, name=name, id=hashid)
db.session.add(new_user)
@ -207,15 +229,32 @@ def login_post():
def logout():
cookie = request.cookies.get("cnsc")
dualis = Dualis.query.filter_by(uid=current_user.id).first()
dualisauth.logOut(dualis.token, cookie)
fetchDUALIS.logOut(dualis.token, cookie)
dualis.token = None
db.session.commit()
logout_user()
red = make_response(redirect(url_for("login", code=1)))
red.set_cookie("cnsc", value="Logged out! Your temporary token "
"on our server and the cookie on your device have been deleted.", httponly=True, secure=True)
"on our server and the cookie on your device have been deleted.", httponly=True,
secure=True)
return red
@app.route("/backendpoc/error<int:ecode>")
def error(ecode):
if ecode == 900:
msg = "Ungültige RAPLA-URL! Sicher, dass der Link zum DHBW-Rapla führt?"
elif ecode == 899:
msg = "Der Kalender wurde nicht gefunden! Sicher, dass der Link korrekt ist?"
else:
msg = "Unbekannter Fehler!"
return render_template('index.html', message=msg, headermessage="DualHub")
@app.errorhandler(HTTPException)
def handle(e):
return render_template('index.html', message=e, headermessage="DualHub")
if __name__ == "__main__":
app.run(host='0.0.0.0', port=2024, debug=True)

2
static/style.css
View File

@ -19,7 +19,7 @@ input[type=url], input[type=email], input[type=password] {
}
select {
width: 150px;
width: 200px;
height: 50px
}

2
templates/kurs.html
View File

@ -9,7 +9,7 @@
<body>
{% if not detected[1] %}
<h1>Wir haben {{ detected[0] }} als deinen Kurs ermittelt. Falls er nicht stimmt, kannst du ihn unten auswählen.</h1>
<form action={{ url_for("welcome") }}>
<form action={{ url_for("getSemester") }}>
<input type="submit" value="Der Kurs stimmt!">
</form>
{% else %}

24
templates/noten.html Normal file
View File

@ -0,0 +1,24 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Noten</title>
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style.css') }}">
<script async src="https://analytics.paulmartin.cloud/script.js" data-website-id="459fa66e-e255-4393-8e89-ead8b1572d0d"></script>
</head>
<body>
{% for i in noten %}
<h2>{{ i[0] }}: {{ i[1].capitalize() }} (Credits: {{ i[2] }})</h2>
{% endfor %}
<form method="post" action={{ url_for ("setSemester", next=url_for("displayNoten")) }}>
<label for="sem">Semester wählen! </label>
<select name="sem" id="sem">
<option value = "none" selected disabled hidden></option>
{% for i in range (semester|length) %}
<option value= {{ semester [i] [1] }}>{{ semester [i] [0] }} </option>
{% endfor %}
</select>
<input type="submit" value="Semester setzen!">
</form>
</body>
</html>

22
templates/rapla.html
View File

@ -7,19 +7,17 @@
</head>
<body>
<h1>Verfügbare Raplas </h1>
{% block content %}
<form method="post" action={{ url_for ("getRapla") }}>
<label for="file">Vefügbaren RAPLA wählen! </label>
<form method="post" action={{ url_for ("getRapla") }}>
<label for="file">Vefügbaren RAPLA wählen! </label>
<select name="file" id="file">
<option value = "none" selected disabled hidden></option>
{% for i in range (raplas[0]|length) %}
<option value= {{ raplas [1] [i] }}>{{ raplas [0] [i] }} </option>
{% endfor %}
</select>
<input type="submit" value="Importieren!">
</form>
{% endblock %}
<select name="file" id="file">
<option value = "none" selected disabled hidden></option>
{% for i in range (raplas[0]|length) %}
<option value= {{ raplas [1] [i] }}>{{ raplas [0] [i] }} </option>
{% endfor %}
</select>
<input type="submit" value="Importieren!">
</form>
<h1>Eigenen Rapla hinzufügen</h1>
<form method="post" action={{ url_for ("getRapla") }}>
<label for="url">Rapla-URL eingeben, falls Du deinen Kurs nicht siehst:</label>

22
templates/semester.html Normal file
View File

@ -0,0 +1,22 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Semester wählen</title>
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style.css') }}">
<script async src="https://analytics.paulmartin.cloud/script.js" data-website-id="459fa66e-e255-4393-8e89-ead8b1572d0d"></script>
</head>
<body>
<h1>Bitte wähle aus der unten stehenden Liste das Semester, dessen Noten du sehen möchtest.</h1>
<form method="post" action={{ url_for ("setSemester") }}>
<label for="sem">Semester wählen! </label>
<select name="sem" id="sem">
<option value = "none" selected disabled hidden></option>
{% for i in range (semester|length) %}
<option value= {{ semester [i] [1] }}>{{ semester [i] [0] }} </option>
{% endfor %}
</select>
<input type="submit" value="Semester setzen!">
</form>
</body>
</html>