diff options
Diffstat (limited to 'synapse/api/errors.py')
| -rw-r--r-- | synapse/api/errors.py | 84 |
1 files changed, 53 insertions, 31 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py index cf48829c8b..7476c90ed3 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py @@ -105,38 +105,28 @@ class SynapseError(CodeMessageException): self.errcode, ) - @classmethod - def from_http_response_exception(cls, err): - """Make a SynapseError based on an HTTPResponseException - - This is useful when a proxied request has failed, and we need to - decide how to map the failure onto a matrix error to send back to the - client. - An attempt is made to parse the body of the http response as a matrix - error. If that succeeds, the errcode and error message from the body - are used as the errcode and error message in the new synapse error. - - Otherwise, the errcode is set to M_UNKNOWN, and the error message is - set to the reason code from the HTTP response. - - Args: - err (HttpResponseException): +class ProxiedRequestError(SynapseError): + """An error from a general matrix endpoint, eg. from a proxied Matrix API call. - Returns: - SynapseError: - """ - # try to parse the body as json, to get better errcode/msg, but - # default to M_UNKNOWN with the HTTP status as the error text - try: - j = json.loads(err.response) - except ValueError: - j = {} - errcode = j.get('errcode', Codes.UNKNOWN) - errmsg = j.get('error', err.msg) + Attributes: + errcode (str): Matrix error code e.g 'M_FORBIDDEN' + """ + def __init__(self, code, msg, errcode=Codes.UNKNOWN, additional_fields=None): + super(ProxiedRequestError, self).__init__( + code, msg, errcode + ) + if additional_fields is None: + self._additional_fields = {} + else: + self._additional_fields = dict(additional_fields) - res = SynapseError(err.code, errmsg, errcode) - return res + def error_dict(self): + return cs_error( + self.msg, + self.errcode, + **self._additional_fields + ) class ConsentNotGivenError(SynapseError): @@ -361,7 +351,7 @@ class HttpResponseException(CodeMessageException): Represents an HTTP-level failure of an outbound request Attributes: - response (str): body of response + response (bytes): body of response """ def __init__(self, code, msg, response): """ @@ -369,7 +359,39 @@ class HttpResponseException(CodeMessageException): Args: code (int): HTTP status code msg (str): reason phrase from HTTP response status line - response (str): body of response + response (bytes): body of response """ super(HttpResponseException, self).__init__(code, msg) self.response = response + + def to_synapse_error(self): + """Make a SynapseError based on an HTTPResponseException + + This is useful when a proxied request has failed, and we need to + decide how to map the failure onto a matrix error to send back to the + client. + + An attempt is made to parse the body of the http response as a matrix + error. If that succeeds, the errcode and error message from the body + are used as the errcode and error message in the new synapse error. + + Otherwise, the errcode is set to M_UNKNOWN, and the error message is + set to the reason code from the HTTP response. + + Returns: + SynapseError: + """ + # try to parse the body as json, to get better errcode/msg, but + # default to M_UNKNOWN with the HTTP status as the error text + try: + j = json.loads(self.response) + except ValueError: + j = {} + + if not isinstance(j, dict): + j = {} + + errcode = j.pop('errcode', Codes.UNKNOWN) + errmsg = j.pop('error', self.msg) + + return ProxiedRequestError(self.code, errmsg, errcode, j) |