pythonlib: Fix WebGL injection causing crashing 0.4.4-beta

pythonlib/camoufox/utils.py

@@ -456,10 +456,6 @@ def launch_options(
         # Convert executable path to a Path object
         executable_path = Path(abspath(executable_path))
 
-    # Block WebGL by default until a fix is avaliable.
-    if block_webgl is None:
-        block_webgl = True
-
     # Handle virtual display
     if virtual_display:
         env['DISPLAY'] = virtual_display
@@ -472,6 +468,10 @@ def launch_options(
     if os:
         check_valid_os(os)
 
+    # webgl_config requires OS to be set
+    elif webgl_config:
+        raise ValueError('OS must be set when using webgl_config')
+
     # Add the default addons
     add_default_addons(addons, exclude_addons)
 
@@ -565,19 +565,15 @@ def launch_options(
         firefox_user_prefs['media.peerconnection.enabled'] = False
 
     # Allow allow_webgl parameter for backwards compatibility
-    if block_webgl and not launch_options.pop('allow_webgl', False):
+    if block_webgl or launch_options.pop('allow_webgl', True) is False:
         firefox_user_prefs['webgl.disabled'] = True
+        LeakWarning.warn('block_webgl')
     else:
-        # Warn the user about WebGL
-        if not i_know_what_im_doing:
-            print(
-                'NOTICE: WebGL is known to cause crashing or behave unexpectedly.'
-                'A fix will be avaliable soon.'
-            )
-
         # If the user has provided a specific WebGL vendor/renderer pair, use it
         if webgl_config:
             merge_into(config, sample_webgl(target_os, *webgl_config))
+        else:
+            merge_into(config, sample_webgl(target_os))
 
         # Use software rendering to be less unique
         merge_into(

pythonlib/camoufox/warnings.yml

@@ -36,3 +36,6 @@ ff_version: >-
 no_region: >-
     Because you did not pass in a locale region, Camoufox will generate one for you.
     This can cause suspicion if your IP does not match your locale region.
+
+block_webgl: >-
+    Disabling WebGL is not recommended. Many WAFs will check if WebGL is enabled.

pythonlib/camoufox/webgl/sample.py

@@ -44,21 +44,23 @@ def sample_webgl(
             (vendor, renderer),
         )
         result = cursor.fetchone()
-        conn.close()
 
         if not result:
             raise ValueError(f'No WebGL data found for vendor "{vendor}" and renderer "{renderer}"')
 
         if result[3] <= 0:  # Check OS-specific probability
+            # Get a list of possible (vendor, renderer) pairs for this OS
+            cursor.execute(
+                f'SELECT DISTINCT vendor, renderer FROM webgl_fingerprints WHERE {os} > 0'
+            )
+            possible_pairs = cursor.fetchall()
             raise ValueError(
-                f'Vendor "{vendor}" and renderer "{renderer}" combination not valid for {os.title()}.'
+                f'Vendor "{vendor}" and renderer "{renderer}" combination not valid for {os.title()}.\n'
+                f'Possible pairs: {", ".join(str(pair) for pair in possible_pairs)}'
             )
 
-        return {
-            'vendor': result[0],
-            'renderer': result[1],
-            **orjson.loads(result[2]),
-        }
+        conn.close()
+        return orjson.loads(result[2])
 
     # Get all vendor/renderer pairs and their probabilities for this OS
     cursor.execute(f'SELECT vendor, renderer, data, {os} FROM webgl_fingerprints WHERE {os} > 0')

pythonlib/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "camoufox"
-version = "0.4.3"
+version = "0.4.4-beta"
 description = "Wrapper around Playwright to help launch Camoufox"
 authors = ["daijro <daijro.dev@gmail.com>"]
 license = "MIT"