plugin_gn_tools/gn_tools/processing/login.py

# Standard
import json

# PyQt
from qgis.core import QgsAuthMethodConfig, QgsDataSourceUri
from qgis.PyQt.QtCore import QByteArray, QJsonDocument, QObject, QUrl, pyqtSignal
from qgis.PyQt.QtNetwork import QNetworkReply, QNetworkRequest
from qgis.PyQt.QtWidgets import QAction, QMessageBox, QDialog

from qgis.PyQt.QtCore import Qt
from qgis.PyQt.QtWidgets import QApplication
# from PyQt6.QtCore import Qt
# from PyQt6.QtWidgets import QApplication

# Project
from gn_tools.__about__ import __login_url__


class GetLogin(QDialog):
    finished_login = pyqtSignal()
    """
    Create a filter, specific to GeoNature ZH API and fetch all the features corresponding.
    """

    def __init__(
        self,
        parent=None,
        network_manager=None,
        params=None
    ):
        super().__init__()
        print("enfin !")
        self.domain_url = parent.domain_url
        self.network_manager = network_manager
        self.auth = parent.dlg.mAuthConfigSelect
        self.is_connect = parent.dlg.is_connect
        self.params = params
        print(self.auth.configId())
        # self.zhs = None
        # self.json_filter = {}
        # self.total_zh = 0

        # PyQt5 - Version
        QApplication.setOverrideCursor(Qt.CursorShape(3))
        # PyQt6 - Version
        # QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor)
        self._pending_downloads = 0
        self.check_password()

    @property
    def pending_downloads(self):
        return self._pending_downloads

    def handle_finished(self, reply):
        self._pending_downloads -= 1
        QApplication.restoreOverrideCursor()
        # If reply is an error or reply is a redirection, login is not accepted
        print(reply.attribute(
            QNetworkRequest.Attribute(0)
        ))
        print('Login : ',reply.error())
        self.network_manager.cookieStatus = reply.attribute(
            QNetworkRequest.Attribute(0)
        )
        if (
            reply.error() != QNetworkReply.NetworkError(0)
            or self.network_manager.cookieStatus != 200
        ):
            # Error code 299 means the logins are invalid
            # Redirection not equal to 200 means a redirection happened
            if reply.error() == 0:
                self.is_connect.setText("Aie !")
                msg = QMessageBox()
                msg.warning(
                    None,
                    self.tr("Warning"),
                    self.tr(
                        "Houston, we've got a problem ... \n\n L'utilisateur ou le mot de passe est invalide !"
                    ),  # noqa: E501
                )
            elif reply.error() == 3:
                msg = QMessageBox()
                msg.warning(
                    None,
                    self.tr("Warning"),
                    self.tr(
                        "GéoNature's URL not found, add it to the plugin settings"
                    ),  # noqa: E501
                )
                self.close()
                self.parent.iface.showOptionsDialog(
                    currentPage="mOptionsPage{}".format(__title__)
                )
                self.parent.create_project_from_gn()
            else:
                print(f"code: {reply.error()} message: {reply.errorString()}")
        else:
            self.cookies = self.network_manager.cookieJar()
            self.is_connect.setText("Good Job !")
            QApplication.setOverrideCursor(Qt.CursorShape(0))
            # If the authenfication configuration already exists,
            # modify it with the new values
            # self.manager_config.setConfigMap(
            #     {
            #         "password": self.usr,
            #         "username": self.pwd,
            #     }
            # )
            # self.manager.storeAuthenticationConfig(
            #     self.manager_config, True
            # )
            # delete sensitive informations... even if it's in the database now...
            self.network_manager.accepted = True
            # Add the cookie created with the login to the request
            self.network_manager.setCookieJar(self.cookies)
            # self.network_manager.setCookiesFromUrl(self.cookies,self.domain_url)
            self.close()

        if self.pending_downloads == 0:
            self.finished_login.emit()
        
        return self.network_manager


    def get_param_connect(self):
        if self.params:
            self.usr = self.params["usr"]
            self.pwd = self.params["pwd"]
            return True 
        elif self.auth.configId():
            authCfg = self.auth.configId()
            quri = QgsDataSourceUri()
            quri.setParam("authcfg", authCfg)
            quri.setParam("url", self.domain_url)
            self.usr = quri.uri().split("user='")[1].split("' ",1)[0]
            self.pwd = quri.uri().split("password='")[1].split("' ",1)[0]
            return True
        else :
            return False


    def check_password(self):
        # Test if the user wrote something
        if self.auth.configId() or self.params:
            is_connect = self.get_param_connect()
            url = QUrl(self.domain_url + __login_url__)
            print(self.usr)
            data_json = {
                "login": (
                    self.usr
                ),
                "password": (
                    self.pwd
                ),
            }
            print(url)
            request = QNetworkRequest(url)
            request.setHeader(QNetworkRequest.KnownHeaders(0), "application/json")
            document = QJsonDocument(data_json)
            print(document.toJson())
            reply = self.network_manager.post(request, document.toJson())
            reply.finished.connect(lambda: self.handle_finished(reply))
            self._pending_downloads += 1
        else:
            msg = QMessageBox()
            msg.warning(
                        None,
                        self.tr("Warning"),
                        self.tr(
                            "GéoNature's Auth not found, add it to the plugin settings"
                        ),  # noqa: E501
                    )