mirror of https://github.com/zulip/zulip.git
81 lines
3.0 KiB
Python
81 lines
3.0 KiB
Python
from typing import Any, List, Mapping, Optional
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import orjson
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from django.http import HttpResponse, HttpResponseNotAllowed
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from django.utils.translation import ugettext as _
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from zerver.lib.exceptions import JsonableError
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class HttpResponseUnauthorized(HttpResponse):
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status_code = 401
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def __init__(self, realm: str, www_authenticate: Optional[str]=None) -> None:
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HttpResponse.__init__(self)
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if www_authenticate is None:
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self["WWW-Authenticate"] = f'Basic realm="{realm}"'
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elif www_authenticate == "session":
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self["WWW-Authenticate"] = f'Session realm="{realm}"'
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else:
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raise AssertionError("Invalid www_authenticate value!")
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def json_unauthorized(message: Optional[str]=None,
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www_authenticate: Optional[str]=None) -> HttpResponse:
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if message is None:
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message = _("Not logged in: API authentication or user session required")
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resp = HttpResponseUnauthorized("zulip", www_authenticate=www_authenticate)
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resp.content = orjson.dumps(
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{"result": "error", "msg": message}, option=orjson.OPT_APPEND_NEWLINE,
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)
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return resp
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def json_method_not_allowed(methods: List[str]) -> HttpResponseNotAllowed:
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resp = HttpResponseNotAllowed(methods)
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resp.content = orjson.dumps({"result": "error",
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"msg": "Method Not Allowed",
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"allowed_methods": methods})
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return resp
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def json_response(res_type: str="success",
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msg: str="",
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data: Mapping[str, Any]={},
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status: int=200) -> HttpResponse:
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content = {"result": res_type, "msg": msg}
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content.update(data)
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# Because we don't pass a default handler, OPT_PASSTHROUGH_DATETIME
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# actually causes orjson to raise a TypeError on datetime objects. This
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# helps us avoid relying on the particular serialization used by orjson.
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return HttpResponse(
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content=orjson.dumps(
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content,
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option=orjson.OPT_APPEND_NEWLINE | orjson.OPT_PASSTHROUGH_DATETIME,
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),
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content_type='application/json',
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status=status,
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)
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def json_success(data: Mapping[str, Any]={}) -> HttpResponse:
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return json_response(data=data)
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def json_response_from_error(exception: JsonableError) -> HttpResponse:
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'''
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This should only be needed in middleware; in app code, just raise.
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When app code raises a JsonableError, the JsonErrorHandler
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middleware takes care of transforming it into a response by
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calling this function.
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'''
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response = json_response('error',
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msg=exception.msg,
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data=exception.data,
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status=exception.http_status_code)
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for header, value in exception.extra_headers.items():
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response[header] = value
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return response
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def json_error(msg: str, data: Mapping[str, Any]={}, status: int=400) -> HttpResponse:
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return json_response(res_type="error", msg=msg, data=data, status=status)
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