Checks user's Skyward account against given requirements and writes results to encrypted log file

skyward.py

import requests, ssl, sys, pprint, binascii, os, lxml.html
from Crypto.Cipher import DES
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.poolmanager import PoolManager

def checkClass(classData):
    rows = ['period', 'class', 'description', 'term', 'teacher', 'cp1', 'pr1', 'cp2', 'pr2', 'ct1', 't1', 'cp3', 'pr3', 'cp4', 'pr4', 'ct2', 't2', 'se1', 's1', 'cp5', 'pr5', 'pr6', 'ct3', 't3', 'cp7', 'pr7', 'cp8', 'pr8', 'ct4', 't4', 'se2', 's2', 'fin']
    classRequirements = {
                            'MA662': 80, #Multivariable Calculus
                            'MA351': 80, #Calculus BC
                            'MA451': 85, #Statistics
                            'MA241': 85, #Pre-Calculus
                            'MA231': 85, #Algebra II
                            'MA221': 85 #Geometry
                        }
    if classData[rows.index(period)]:
        classNumber = classData[rows.index('class')]
        score = int(classData[rows.index(period)])
        if classNumber[0:2] == 'MA' and classNumber in classRequirements:
            return score >= classRequirements[classNumber]
        elif classNumber[0:2] == 'MA':
            return False
        else:
            return score >= 80
    else:
        return True

class MyAdapter(HTTPAdapter):
    def init_poolmanager(self, connections, maxsize, block=False):
        self.poolmanager = PoolManager(num_pools=connections, maxsize=maxsize, block=block, ssl_version=ssl.PROTOCOL_TLSv1)

if __name__ == '__main__':
    username = sys.argv[1]
    password = sys.argv[2]
    period = sys.argv[3].lower()
    data ='''requestAction=eel&method=extrainfo&codeType=tryLogin&codeValue={0}&hCompName=SKYWEB13J&hOSName=Windows%20NT&login={0}&password={1}&SecurityMenuID=0&HomePageMenuID=0&hNavSearchOption=all&hSecCache=0%20items%20in%200%20entities&CurrentProgram=skyportlogin.w&CurrentVersion=010142&SuperVersion=011728&PaCVersion=05.13.10.00.05-10.2&Browser=Chrome&BrowserVersion=31&BrowserPlatform=Win32&TouchDevice=false&noheader=yes&duserid=-1&hIPInfo=76.30.97.235&HomePage=sepadm01.w&loginID=-1&hUseCGIIP=yes&UserSecLevel=5&UserLookupLevel=5&hAnon=bjlbYpAByijcxUsV&pState=TX&pCountry=US&hDistSerial=0001c004&hDisplayBorder=true&hAlternateColors=true&screenWidth=1920&screenHeight=1080&hforgotLoginPage=seplog01&userAgent=Mozilla%2F5.0%20(Windows%20NT%206.1%3B%20WOW64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F31.0.1650.57%20Safari%2F537.36&osName=Windows%207&brwsInfo=Chrome%2031&subversion=31&supported=true&pageused=Desktop&recordLimit=30&hOpenSave=no&hButtonHotKeyIDs=bCancel&hButtonHotKeys=B&hLoadTime=.066&cUserRole=family%2Fstudent&fwtimestamp=1385334952071'''.format(username, password)

    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36',
        'Content-Type': 'application/x-www-form-urlencoded',
        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
        'Accept-Encoding': 'gzip,deflate,sdch',
        'Accept-Language': 'en-US,en;q=0.8,ca;q=0.6',
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36',
        'Connection': 'keep-alive',
        'Origin': 'https://skyward-fbprod.iscorp.com',
        'Cache-Control': 'max-age=0',
    }

    webInterfaceURL = 'https://skyward-fbprod.iscorp.com/scripts/wsisa.dll/WService=wsedufortbendtx/seplog01.w'
    authURL = 'https://skyward-fbprod.iscorp.com/scripts/wsisa.dll/WService=wsedufortbendtx/skyporthttp.w'
    homeURL = 'https://skyward-fbprod.iscorp.com/scripts/wsisa.dll/WService=wsedufortbendtx/sfhome01.w'
    gradeBookURL = 'https://skyward-fbprod.iscorp.com/scripts/wsisa.dll/WService=wsedufortbendtx/sfgradebook001.w'
    oldGradeBookURL = 'https://skyward-fbprod.iscorp.com/scripts/wsisa.dll/WService=wsedufortbendtx/sfwgrd01.w?TS=0'

    s = requests.Session()
    s.mount('https://', MyAdapter())
    s.get(webInterfaceURL)

    r = s.post(authURL, data=data, headers=headers, verify=False)
    sessionVars = r.text[:r.text.find('^sfwmnu')].replace('<li>', '').split('^')
    dwd = sessionVars[0]
    recid = sessionVars[2]
    web_data_recid = sessionVars[1]
    wfaacl = sessionVars[3]
    student = sessionVars[4]
    userid = sessionVars[5]

    data = 'User-Type=2&web-data-recid=' + web_data_recid + '&Student=' + student + '&Entity=001&wfaacl-recid=' + recid + '&config-id=14'
    r = s.post(oldGradeBookURL, data=data, headers=headers, verify=False)

    classesData = []
    html = lxml.html.fromstring(r.text)
    studentName = html.cssselect('.NameHeader')[0].text_content().replace('\xa0', '').replace('Student: ', '')
    classRows = html.cssselect('.sched001')
    for classRow in classRows:
        classData = []
        for td in classRow:
            classData.append(td.text_content().replace('\xa0', '').replace('\n', '').replace('\t', '').strip())
        classData[1] = classData[1][0:classData[1].find('/')]
        classesData.append(classData)
    
    requirementsNotFulfilled = []
    
    print(studentName)
    for classData in classesData:
        #print('_'.join(classData))
        fullfillsRequirements = checkClass(classData)
        if not fullfillsRequirements:
            requirementsNotFulfilled.append(classData)
    print(requirementsNotFulfilled)
    
    plaintext = '%s ==== %s' % (studentName, str(requirementsNotFulfilled))                   
    DESInstance = DES.new('PRIVATE_ENCRYPTION_KEY_HERE', DES.MODE_ECB)
    ciphertext = DESInstance.encrypt(plaintext + (8 - len(plaintext) % 8) * 'X')
    with open('log.txt', 'ab') as logFile:
        logFile.write(binascii.hexlify(ciphertext) + b'\r\n')
    os.system('cls' if os.name=='nt' else 'clear')