BlenderKit: fix oauth failing on some connections. This updates the oauth script to last version, and also ensures the login attempt can be properly canceled when it hangs.

blenderkit/bkit_oauth.py

@@ -32,6 +32,8 @@ else:
 import bpy
 
 import threading
+import requests
+
 
 from bpy.props import (
     BoolProperty,
@@ -40,16 +42,20 @@ from bpy.props import (
 CLIENT_ID = "IdFRwa3SGA8eMpzhRVFMg5Ts8sPK93xBjif93x0F"
 PORTS = [62485, 65425, 55428, 49452]
 
+active_authenticator = None
 
 def login_thread(signup=False):
+    global active_authenticator
     r_url = paths.get_oauth_landing_url()
     url = paths.get_bkit_url()
-    thread = threading.Thread(target=login, args=([signup, url, r_url]), daemon=True)
+    authenticator = oauth.SimpleOAuthAuthenticator(server_url=url, client_id=CLIENT_ID, ports=PORTS)
+    #we store authenticator globally to be able to ping the server if connection fails.
+    active_authenticator = authenticator
+    thread = threading.Thread(target=login, args=([signup, url, r_url, authenticator]), daemon=True)
     thread.start()
 
 
-def login(signup, url, r_url):
-    authenticator = oauth.SimpleOAuthAuthenticator(server_url=url, client_id=CLIENT_ID, ports=PORTS)
+def login(signup, url, r_url, authenticator):
     auth_token, refresh_token = authenticator.get_new_token(register=signup, redirect_url=r_url)
     utils.p('tokens retrieved')
     tasks_queue.add_task((write_tokens, (auth_token, refresh_token)))
@@ -140,8 +146,16 @@ class CancelLoginOnline(bpy.types.Operator):
         return True
 
     def execute(self, context):
+        global active_authenticator
         preferences = bpy.context.preferences.addons['blenderkit'].preferences
         preferences.login_attempt = False
+        try:
+            if active_authenticator is not None:
+                requests.get(active_authenticator.redirect_uri)
+                active_authenticator = None
+        except Exception as e:
+            print('stopped login attempt')
+            print(e)
         return {'FINISHED'}
 
 

blenderkit/oauth.py

@@ -38,6 +38,8 @@ class SimpleOAuthAuthenticator(object):
             "client_id": self.client_id,
             "scopes": "read write",
         }
+        if hasattr(self, 'redirect_uri'):
+            data["redirect_uri"] = self.redirect_uri
         if authorization_code:
             data['code'] = authorization_code
         if refresh_token:
@@ -48,6 +50,8 @@ class SimpleOAuthAuthenticator(object):
             data=data
         )
         if response.status_code != 200:
+            print("error retrieving refresh tokens %s" % response.status_code)
+            print(response.content)
             return None, None
         refresh_token = json.loads(response.content)['refresh_token']
         access_token = json.loads(response.content)['access_token']
@@ -82,9 +86,10 @@ class SimpleOAuthAuthenticator(object):
             except OSError:
                 continue
             break
+        self.redirect_uri = "http://localhost:%s/consumer/exchange/" % port
         authorize_url = (
             "/o/authorize?client_id=%s&state=random_state_string&response_type=code&"
-            "redirect_uri=http://localhost:%s/consumer/exchange/" % (self.client_id, port)
+            "redirect_uri=%s" % (self.client_id, self.redirect_uri)
         )
         if register:
             authorize_url = "%s/accounts/register/?next=%s" % (self.server_url, urlquote(authorize_url))

blenderkit/ui_panels.py

@@ -386,6 +386,10 @@ class VIEW3D_PT_blenderkit_model_properties(Panel):
         layout.operator('object.blenderkit_bring_to_scene', text='Bring to scene')
         # layout.operator('object.blenderkit_color_corrector')
 
+def draw_login_progress(layout):
+    layout.label(text='Login through browser')
+    layout.label(text='in progress.')
+    layout.operator("wm.blenderkit_login_cancel", text="Cancel", icon='CANCEL')
 
 class VIEW3D_PT_blenderkit_profile(Panel):
     bl_category = "BlenderKit"
@@ -405,9 +409,7 @@ class VIEW3D_PT_blenderkit_profile(Panel):
         user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
 
         if user_preferences.login_attempt:
-            layout.label(text='Login through browser')
-            layout.label(text='in progress.')
-            layout.operator("wm.blenderkit_login_cancel", text="Cancel", icon='CANCEL')
+            draw_login_progress(layout)
             return
 
         if user_preferences.enable_oauth:
@@ -548,9 +550,7 @@ def draw_login_buttons(layout):
     user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
 
     if user_preferences.login_attempt:
-        layout.label(text='Login through browser')
-        layout.label(text='in progress.')
-        layout.operator("wm.blenderkit_login_cancel", text="Cancel", icon='CANCEL')
+        draw_login_progress(layout)
     else:
         if user_preferences.api_key == '':
             layout.operator("wm.blenderkit_login", text="Login",
@@ -596,9 +596,7 @@ class VIEW3D_PT_blenderkit_unified(Panel):
 
         w = context.region.width
         if user_preferences.login_attempt:
-            layout.label(text='Login through browser')
-            layout.label(text='in progress.')
-            layout.operator("wm.blenderkit_login_cancel", text="Cancel", icon='CANCEL')
+            draw_login_progress(layout)
             return
 
         if len(user_preferences.api_key) < 20 and user_preferences.asset_counter > 20:

blenderkit/utils.py

@@ -263,7 +263,7 @@ def get_brush_props(context):
 
 def p(text, text1='', text2='', text3='', text4='', text5=''):
     '''debug printing depending on blender's debug value'''
-    if bpy.app.debug_value > 0:
+    if bpy.app.debug_value != 0:
         print(text, text1, text2, text3, text4, text5)