feat(authentication): 类似腾讯企业邮单点登录功能

apps/common/drf/exc_handlers.py

@@ -0,0 +1,45 @@
+from django.core.exceptions import PermissionDenied, ObjectDoesNotExist as DJObjectDoesNotExist
+from django.http import Http404
+from django.utils.translation import gettext
+
+from rest_framework import exceptions
+from rest_framework.views import set_rollback
+from rest_framework.response import Response
+
+from common.exceptions import JMSObjectDoesNotExist
+
+
+def extract_object_name(exc, index=0):
+    """
+    `index` 是从 0 开始数的， 比如：
+    `No User matches the given query.`
+    提取 `User`，`index=1`
+    """
+    (msg, *_) = exc.args
+    return gettext(msg.split(sep=' ', maxsplit=index + 1)[index])
+
+
+def common_exception_handler(exc, context):
+    if isinstance(exc, Http404):
+        exc = JMSObjectDoesNotExist(object_name=extract_object_name(exc, 1))
+    elif isinstance(exc, PermissionDenied):
+        exc = exceptions.PermissionDenied()
+    elif isinstance(exc, DJObjectDoesNotExist):
+        exc = JMSObjectDoesNotExist(object_name=extract_object_name(exc, 0))
+
+    if isinstance(exc, exceptions.APIException):
+        headers = {}
+        if getattr(exc, 'auth_header', None):
+            headers['WWW-Authenticate'] = exc.auth_header
+        if getattr(exc, 'wait', None):
+            headers['Retry-After'] = '%d' % exc.wait
+
+        if isinstance(exc.detail, (list, dict)):
+            data = exc.detail
+        else:
+            data = {'detail': exc.detail}
+
+        set_rollback()
+        return Response(data, status=exc.status_code, headers=headers)
+
+    return None