perf: 连接 RDP 协议会话时，高级选项支持 session bpp:i 参数配置；默认 32； (#12319)

Co-authored-by: feng <1304903146@qq.com>

apps/authentication/api/connection_token.py

@@ -27,7 +27,7 @@ from perms.models import ActionChoices
 from terminal.connect_methods import NativeClient, ConnectMethodUtil
 from terminal.models import EndpointRule, Endpoint
 from users.const import FileNameConflictResolution
-from users.const import RDPSmartSize
+from users.const import RDPSmartSize, RDPColorQuality
 from users.models import Preference
 from ..models import ConnectionToken, date_expired_default
 from ..serializers import (
@@ -49,7 +49,6 @@ class RDPFileClientProtocolURLMixin:
             'full address:s': '',
             'username:s': '',
             'use multimon:i': '0',
-            'session bpp:i': '32',
             'audiomode:i': '0',
             'disable wallpaper:i': '0',
             'disable full window drag:i': '0',
@@ -100,10 +99,13 @@ class RDPFileClientProtocolURLMixin:
             rdp_options['winposstr:s'] = f'0,1,0,0,{width},{height}'
             rdp_options['dynamic resolution:i'] = '0'
 
+        color_quality = self.request.query_params.get('rdp_color_quality')
+        color_quality = color_quality if color_quality else os.getenv('JUMPSERVER_COLOR_DEPTH', RDPColorQuality.HIGH)
+
         # 设置其他选项
-        rdp_options['smart sizing:i'] = self.request.query_params.get('rdp_smart_size', RDPSmartSize.DISABLE)
-        rdp_options['session bpp:i'] = os.getenv('JUMPSERVER_COLOR_DEPTH', '32')
+        rdp_options['session bpp:i'] = color_quality
         rdp_options['audiomode:i'] = self.parse_env_bool('JUMPSERVER_DISABLE_AUDIO', 'false', '2', '0')
+        rdp_options['smart sizing:i'] = self.request.query_params.get('rdp_smart_size', RDPSmartSize.DISABLE)
 
         # 设置远程应用, 不是 Mstsc
         if token.connect_method != NativeClient.mstsc:

apps/users/const.py

@@ -38,6 +38,11 @@ class RDPSmartSize(TextChoices):
     ENABLE = '1', _('Enable')
 
 
+class RDPColorQuality(TextChoices):
+    HIGH = '32', 'High（32 bit）'
+    MEDIUM = '16', 'Medium（16 bit）'
+
+
 class KeyboardLayout(TextChoices):
     EN_US_QWERTY = 'en-us-qwerty', 'US English (Qwerty)'
     EN_UK_QWERTY = 'en-gb-qwerty', 'UK English (Qwerty)'

apps/users/serializers/preference/luna.py

@@ -5,7 +5,7 @@ from rest_framework import serializers
 
 from users.const import (
     RDPResolution, RDPSmartSize, KeyboardLayout,
-    RDPClientOption, AppletConnectionMethod
+    RDPClientOption, AppletConnectionMethod, RDPColorQuality,
 )
 
 
@@ -40,6 +40,10 @@ class GraphicsSerializer(serializers.Serializer):
         choices=RDPClientOption.choices, default={RDPClientOption.FULL_SCREEN},
         label=_('RDP client option'), required=False
     )
+    rdp_color_quality = serializers.ChoiceField(
+        choices=RDPColorQuality.choices, default=RDPColorQuality.HIGH,
+        label=_('RDP color quality'), required=False
+    )
     rdp_smart_size = serializers.ChoiceField(
         RDPSmartSize.choices, default=RDPSmartSize.DISABLE,
         required=False, label=_('Rdp smart size'),