DUALIS Noten POC

fetchDUALIS.py

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+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