feat: 认证方式支持OAuth2.0协议 (#8686)

* feat: 认证方式支持OAuth2.0协议

* perf: 优化 OAuth2 认证逻辑和Logo (对接 Github)

* perf: 优化 OAuth2 认证逻辑和Logo，支持上传图标

* perf: 优化 OAuth2 认证逻辑和Logo，支持上传图标

* perf: 优化 OAuth2 认证逻辑和Logo，支持上传图标

* perf: 优化 OAuth2 认证逻辑和Logo，支持上传图标

Co-authored-by: Jiangjie.Bai <bugatti_it@163.com>

apps/users/models/user.py

@@ -628,6 +628,7 @@ class User(AuthMixin, TokenMixin, RoleMixin, MFAMixin, AbstractUser):
         radius = 'radius', 'Radius'
         cas = 'cas', 'CAS'
         saml2 = 'saml2', 'SAML2'
+        oauth2 = 'oauth2', 'OAuth2'
 
     SOURCE_BACKEND_MAPPING = {
         Source.local: [
@@ -652,6 +653,9 @@ class User(AuthMixin, TokenMixin, RoleMixin, MFAMixin, AbstractUser):
         Source.saml2: [
             settings.AUTH_BACKEND_SAML2
         ],
+        Source.oauth2: [
+            settings.AUTH_BACKEND_OAUTH2
+        ],
     }
 
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)