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utils.py
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utils.py
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import urllib
import requests
from bs4 import BeautifulSoup
import os
import time
def secrets():
'''Returns a dict with keys canvas_user and canvas_pass with the corrosponding string as value
'''
secrets = dict()
with open(r'C:\Users\<user>\secrets.txt') as file:
lines = file.readlines()
for i in lines:
i = i.strip()
s = i.split(': ')
secrets[s[0]] = secrets.get(s[0], s[1])
return secrets
class Registration:
def __init__(self, term):
self.secrets = secrets()
self.s = requests.Session()
self.r = self.s.get('https://myportal.fhda.edu/')
self.term = term
def login(self):
self.r = self.s.post(self.r.url, data={'j_username': self.secrets['canvas_user'],'j_password': self.secrets['canvas_pass'], '_eventId_proceed':''})
if self.r.status_code != 200:
print('error logging in')
def drop_and_register(self, add, drop=None):
#SAML SSO
params = {'relayState' : '%2Fc%2Fauth%2FSSB%3Fpkg%3Dhttps%3A%2F%2Fssb-prod.ec.fhda.edu%2FPROD%2Ffhda_uportal.P_DeepLink_Post%3Fp_page%3Dbwskfreg.P_AltPin%26p_payload%3De30%3D'}
self.r = self.s.get('https://ssb-prod.ec.fhda.edu/ssomanager/saml/login', params=params)
if 'https://ssoshib.fhda.edu/idp/profile/SAML2/Redirect/SSO' in self.r.url:
self.login()
self.parse_nojs()
self.parse_nojs_slash()
#self.parse_deeplink()
self.r = self.s.post('https://ssb-prod.ec.fhda.edu/PROD/bwskfreg.P_AltPin', data={'term_in': self.term})
if self.r.status_code != 200:
print('error getting the registration page')
payload = self.class_payload()
payload = self.add_classes([add], payload)
if drop:
payload = self.drop_class(drop, payload)
self.r = self.s.post('https://ssb-prod.ec.fhda.edu/PROD/bwckcoms.P_Regs', data=payload)
def drop_class(self, crn, payload):
for i, j in enumerate(payload): #payload has (key, value) tuples
k, l = j
if k == 'CRN_IN' and l == crn:
payload[i-2] = ('RSTS_IN', 'DW') #dw for drop web
return payload
def parse_nojs(self): #no js for these links
soup = BeautifulSoup(self.r.text, 'html.parser')
url = soup.find('form').get('action')
payload = dict()
data = zip([i.get('name') for i in soup.find_all('input', type='hidden')], [i.get('value') for i in soup.find_all('input', type='hidden')])
for i, j in data:
payload[i] = j
self.r = self.s.post(url, data=payload)
if self.r.status_code != 200:
print('error in parse_nojs')
def parse_nojs_slash(self): #has to parse to utf 8 for url to work
soup = BeautifulSoup(self.r.text, 'html.parser')
url = soup.find('form').get('action')
payload = dict()
data = zip([i.get('name') for i in soup.find_all('input', type='hidden')], [i.get('value') for i in soup.find_all('input', type='hidden')])
for i, j in data:
payload[i] = j
self.r = self.s.post(url, data=payload, allow_redirects=False)
self.r = self.s.post(urllib.parse.unquote(self.r.headers['Location']), allow_redirects=False)
if self.r.status_code != 302: #response for redirect
print('error in parse_nojs_slash')
def parse_deeplink(self):
self.r = self.s.post(self.r.url)
soup = BeautifulSoup(self.r.text, 'html.parser')
soup = soup.find('form', {'id':'deeplink'})['action']
url = urllib.parse.urljoin('https://ssb-prod.ec.fhda.edu/PROD/', soup)
self.r = self.s.post(url)
def class_payload(self):
soup = BeautifulSoup(self.r.text, 'html.parser')
return [(i.get('name'), i.get('value')) for i in soup.find_all('input', type='hidden')] #take the filler values that we need to post
def add_classes(self, crns, payload): #append the 10 crn add values
soup = BeautifulSoup(self.r.text, 'html.parser')
input = list()
for i in range(10):
if i < len(crns):
input.append(('CRN_IN', crns[i]))
else:
input.append(('CRN_IN', None))
payload += input
payload += [(i.get('name'), i.get('value')) for i in soup.find_all('input', type='submit', value="Submit Changes")]
return payload
def document(self, filename='registration'):
html = self.r.text
soup = BeautifulSoup(html, 'html.parser')
files = os.listdir()
count = 0
for i in files:
if filename in i:
count += 1
with open(f'{filename}{count}.html', 'w') as f:
f.write(soup.prettify())
def parse_term(year, quarter, school='deanza'): #turn term into term code
school = 1 if school.lower() == 'foothill' else 2
if len(quarter) > 1:
quarter = {'winter':3, 'spring':4, 'summer':11, 'fall':12}[quarter.lower()]
else:
quarter = {'w':3, 's':4, 'm':11, 'f':12}[quarter.lower()]
year = int(year)
return year * 100 + quarter * 10 + school
class colors:
black = "\033[30m"
red = "\033[31m"
green = "\033[32m"
yellow = "\033[33m"
blue = "\033[34m"
magenta = "\033[35m"
cyan = "\033[36m"
white = "\033[37m"
reset = '\033[0m'