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Rewrote login, fixed timing bug

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Boyan 2025-03-01 17:48:19 +01:00
parent 0ed744dff8
commit c9a2e1f456
1 changed files with 37 additions and 29 deletions
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66
temmies/themis.py
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@ -4,6 +4,10 @@ Main class for the Themis API using the new JSON endpoints.
from requests import Session
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException, StaleElementReferenceException
from json import dumps
@ -90,43 +94,47 @@ class Themis:
def login(self, session: Session) -> Session:
"""
Login to Themis by spawning a selenium browser, logging in and storing the session.
Login to Themis by spawning a selenium browser
"""
login_url = f"{self.base_url}/login"
# Start a full browser to login
driver = webdriver.Chrome()
driver.get(login_url)
while True:
if driver.find_elements(By.TAG_NAME, "pre"):
break
try:
# if any of the fields are already filled, don't fill them
if (passw := driver.find_element(By.NAME, "Ecom_Password")) and not passw.get_attribute("value") and self.password:
passw.send_keys(self.password)
if (user := driver.find_element(By.NAME, "Ecom_User_ID")) and not user.get_attribute("value") and self.user:
user.send_keys(self.user)
except NoSuchElementException:
pass
except StaleElementReferenceException:
pass
# destroy the password from memory (security)
self.password = "I-HAVE-BEEN-REMOVED"
# export all stored cookies
cookies = driver.get_cookies()
driver.quit()
wait = WebDriverWait(driver, 60)
# add all cookies to the session
try:
wait.until(EC.url_contains("signon.rug.nl/nidp/saml2/sso"))
current_url = driver.current_url
# If on the sign-on page fill in the credentials
if "signon.rug.nl/nidp/saml2/sso" in current_url:
user_field = wait.until(EC.presence_of_element_located((By.NAME, "Ecom_User_ID")))
pass_field = wait.until(EC.presence_of_element_located((By.NAME, "Ecom_Password")))
if self.user and not user_field.get_attribute("value"):
user_field.clear()
user_field.send_keys(self.user)
if self.password and not pass_field.get_attribute("value"):
pass_field.clear()
pass_field.send_keys(self.password)
# THIS IS LIKELY TO BREAK AT SOME POINT
wait.until(EC.text_to_be_present_in_element((By.TAG_NAME, "body"), "Cannot GET"))
except TimeoutException:
print("Timeout waiting for login/2FA page to load.")
except (NoSuchElementException, StaleElementReferenceException) as e:
print(f"Encountered an error: {e}")
finally:
# security
self.password = "I-HAVE-BEEN-REMOVED"
cookies = driver.get_cookies()
driver.quit()
# Add all cookies to the session.
for cookie in cookies:
session.cookies.set(cookie["name"], cookie["value"])
session.cookies.set(name=cookie["name"], value=cookie["value"])
return session