overleaf-cookie-fetcher.py

import sys

from PyQt5 import QtNetwork
from PyQt5.QtCore import Qt, QUrl
from PyQt5.QtNetwork import QNetworkCookie
from PyQt5.QtWebEngineCore import QWebEngineUrlRequestInterceptor
from PyQt5.QtWebEngineWidgets import QWebEnginePage, QWebEngineProfile, QWebEngineView
from PyQt5.QtWidgets import QApplication, QVBoxLayout, QWidget

app = QApplication([])

# And a window
main_window = QWidget()
main_window.setWindowTitle('Overleaf Cookie fetcher')

# And give it a layout
layout = QVBoxLayout()
main_window.setLayout(layout)

# Create and fill a QWebView
web_view = QWebEngineView()

cookies = []


def on_cookie_added(cookie):
    for c in cookies:
        if c.hasSameIdentifier(cookie):
            return
    cookies.append(QNetworkCookie(cookie))


def to_json(cooked):
    cookies_list_info = []
    for c in cooked:
        data = {"name": bytearray(c.name()).decode(), "domain": c.domain(),
                "value": bytearray(c.value()).decode(),
                "path": c.path(), "expirationDate": c.expirationDate().toString(Qt.ISODate),
                "secure": c.isSecure(),
                "httponly": c.isHttpOnly()}
        cookies_list_info.append(data)
    return cookies_list_info


profile = QWebEngineProfile("storage", web_view)

# Don't persist cookies on machine
network_manager = QtNetwork.QNetworkAccessManager()
cookie_jar = QtNetwork.QNetworkCookieJar()
network_manager.setCookieJar(cookie_jar)
profile.setPersistentCookiesPolicy(QWebEngineProfile.NoPersistentCookies)


class WebEngineUrlRequestInterceptor(QWebEngineUrlRequestInterceptor):
    def interceptRequest(self, info):
        # check if the user has been redirected to project page, it means that user is now logged in.
        if info.requestUrl().url() == 'https://www.overleaf.com/project':
            print(to_json(cookies))
            sys.exit(app.exec())


interceptor = WebEngineUrlRequestInterceptor()

profile.setUrlRequestInterceptor(interceptor)
cookie_store = profile.cookieStore()
cookie_store.cookieAdded.connect(on_cookie_added)

webpage = QWebEnginePage(profile, web_view)
webpage.load(QUrl('https://www.overleaf.com/login'))
web_view.setPage(webpage)

# Add the QWebView and button to the layout
layout.addWidget(web_view)

if __name__ == "__main__":
    main_window.resize(600, 900)
    main_window.show()
    sys.exit(app.exec())