Fix User-Agent when downloading files from plugins.qgis.org

qgis_plugin_manager/remote.py

@@ -4,6 +4,7 @@
 
 import base64
 import os
+import platform
 import re
 import shutil
 import urllib
@@ -17,6 +18,7 @@
 
 from qgis_plugin_manager.definitions import Level, Plugin
 from qgis_plugin_manager.utils import (
+    DEFAULT_QGIS_VERSION,
     current_user,
     restart_qgis_server,
     similar_names,
@@ -35,6 +37,18 @@ def __init__(self, folder: Path, qgis_version: Optional[str] = None):
         self.setting_error = False
         self.qgis_version = qgis_version
 
+    def user_agent(self) -> str:
+        """ User agent. """
+        # https://github.com/3liz/qgis-plugin-manager/issues/66
+        # https://lists.osgeo.org/pipermail/qgis-user/2024-May/054439.html
+        if not self.qgis_version:
+            qgis_version = f"{DEFAULT_QGIS_VERSION}00"
+        else:
+            qgis_version = self.qgis_version
+
+        qgis_version = qgis_version.replace(".", "")
+        return f"Mozilla/5.0 QGIS/{qgis_version}/{platform.system()}"
+
     def remote_is_ready(self) -> bool:
         """ Return if the remote is ready to be parsed. """
         if to_bool(os.getenv("QGIS_PLUGIN_MANAGER_SKIP_SOURCES_FILE"), False):
@@ -174,7 +188,7 @@ def update(self) -> bool:
             print(f"Downloading {self.public_remote_name(server)}…")
             url, login, password = self.credentials(server)
             headers = {
-                'User-Agent': 'Mozilla/5.0',
+                'User-Agent': self.user_agent(),
             }
             if login:
                 token = base64.b64encode(f"{login}:{password}".encode())
@@ -414,7 +428,7 @@ def _download_zip(
 
         else:
             headers = {
-                'User-Agent': 'Mozilla/5.0',
+                'User-Agent': self.user_agent(),
             }
             request = urllib.request.Request(url, headers=headers)
             result = False

qgis_plugin_manager/utils.py

@@ -122,6 +122,8 @@ def qgis_server_version() -> str:
     """
     try:
         from qgis.core import Qgis
+
+        # 3.34.6
         return Qgis.QGIS_VERSION.split('-')[0]
     except ImportError:
         print(

test/test_remote.py

@@ -73,6 +73,11 @@ def test_qgis_dev_version(self):
         self.assertListEqual(["3", "22", "11"], Remote.check_qgis_dev_version('3.22.11'))
         self.assertListEqual(["3", "24", "0"], Remote.check_qgis_dev_version('3.23.0'))
 
+    def test_user_agent(self):
+        """ Test the User-Agent. """
+        self.remote = Remote(Path('fixtures/xml_files/lizmap'))
+        self.assertIn("Mozilla/5.0 QGIS/", self.remote.user_agent())
+
     def test_parse_url(self):
         """ Test to parse a URL for login&password. """
         self.assertTupleEqual(