format response and error properly
This commit is contained in:
Alex Grintsvayg
parent
0c42bc6382
commit
9410cd9e77
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@ -1,6 +1,7 @@
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import logging
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import urlparse
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import inspect
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import json
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from decimal import Decimal
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from zope.interface import implements
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@ -15,7 +16,7 @@ from lbrynet import conf
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from lbrynet.core.Error import InvalidAuthenticationToken
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from lbrynet.core import utils
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from lbrynet.undecorated import undecorated
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from lbrynet.lbrynet_daemon.auth.util import APIKey, get_auth_message, jsonrpc_dumps_pretty
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from lbrynet.lbrynet_daemon.auth.util import APIKey, get_auth_message
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from lbrynet.lbrynet_daemon.auth.client import LBRY_SECRET
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log = logging.getLogger(__name__)
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@ -94,6 +95,21 @@ def trap(err, *to_trap):
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err.trap(*to_trap)
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def jsonrpc_dumps_pretty(obj, **kwargs):
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try:
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id_ = kwargs.pop("id")
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except KeyError:
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id_ = None
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if isinstance(obj, JSONRPCError):
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data = {"jsonrpc": "2.0", "error": obj.to_dict(), "id": id_}
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else:
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data = {"jsonrpc": "2.0", "result": obj, "id": id_}
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return json.dumps(data, cls=jsonrpclib.JSONRPCEncoder, sort_keys=True, indent=2,
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separators=(',', ': '), **kwargs) + "\n"
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class AuthorizedBase(object):
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def __init__(self):
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self.authorized_functions = []
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@ -165,7 +181,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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request.write(message)
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request.finish()
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def _render_error(self, failure, request, id_, version=jsonrpclib.VERSION_2):
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def _render_error(self, failure, request, id_):
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if isinstance(failure, JSONRPCError):
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error = failure
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elif isinstance(failure, Failure):
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@ -178,9 +194,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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# last resort, just cast it as a string
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error = JSONRPCError(str(failure))
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response_content = jsonrpc_dumps_pretty(
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error.to_dict(), id=id_, version=version, sort_keys=False
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)
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response_content = jsonrpc_dumps_pretty(error, id=id_)
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self._set_headers(request, response_content)
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# uncomment this after fixing lbrynet-cli to not raise exceptions on errors
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@ -239,18 +253,15 @@ class AuthJSONRPCServer(AuthorizedBase):
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return server.NOT_DONE_YET
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id_ = None
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version = jsonrpclib.VERSION_2
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try:
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function_name = parsed.get('method')
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args = parsed.get('params', {})
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id_ = parsed.get('id', None)
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version = self._get_jsonrpc_version(parsed.get('jsonrpc'), id_)
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token = parsed.pop('hmac', None)
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except AttributeError as err:
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log.warning(err)
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self._render_error(
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JSONRPCError(None, code=JSONRPCError.CODE_INVALID_REQUEST),
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request, id_, version=version
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JSONRPCError(None, code=JSONRPCError.CODE_INVALID_REQUEST), request, id_
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)
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return server.NOT_DONE_YET
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@ -266,7 +277,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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err.message, code=JSONRPCError.CODE_AUTHENTICATION_ERROR,
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traceback=format_exc()
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),
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request, id_, version=version
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request, id_
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)
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return server.NOT_DONE_YET
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self._update_session_secret(session_id)
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@ -278,7 +289,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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log.warning('Failed to get function %s: %s', function_name, err)
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self._render_error(
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JSONRPCError(None, JSONRPCError.CODE_METHOD_NOT_FOUND),
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request, version
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request
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)
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return server.NOT_DONE_YET
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except NotAllowedDuringStartupError as err:
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@ -286,7 +297,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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self._render_error(
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JSONRPCError("This method is unavailable until the daemon is fully started",
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code=JSONRPCError.CODE_INVALID_REQUEST),
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request, version
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request
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)
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return server.NOT_DONE_YET
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@ -310,7 +321,7 @@ class AuthJSONRPCServer(AuthorizedBase):
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log.warning(params_error_message)
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self._render_error(
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JSONRPCError(params_error_message, code=JSONRPCError.CODE_INVALID_PARAMS),
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request, version
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request, id_
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)
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return server.NOT_DONE_YET
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@ -322,12 +333,12 @@ class AuthJSONRPCServer(AuthorizedBase):
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# request.finish() from being called on a closed request.
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finished_deferred.addErrback(self._handle_dropped_request, d, function_name)
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d.addCallback(self._callback_render, request, id_, version, reply_with_next_secret)
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d.addCallback(self._callback_render, request, id_, reply_with_next_secret)
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# TODO: don't trap RuntimeError, which is presently caught to
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# handle deferredLists that won't peacefully cancel, namely
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# get_lbry_files
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d.addErrback(trap, ConnectionDone, ConnectionLost, defer.CancelledError, RuntimeError)
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d.addErrback(log.fail(self._render_error, request, id_, version=version),
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d.addErrback(log.fail(self._render_error, request, id_),
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'Failed to process %s', function_name)
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d.addBoth(lambda _: log.debug("%s took %f",
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function_name,
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@ -445,31 +456,15 @@ class AuthJSONRPCServer(AuthorizedBase):
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def _update_session_secret(self, session_id):
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self.sessions.update({session_id: APIKey.new(name=session_id)})
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@staticmethod
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def _get_jsonrpc_version(version=None, id_=None):
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if version:
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return int(float(version))
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elif id_:
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return jsonrpclib.VERSION_1
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else:
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return jsonrpclib.VERSION_PRE1
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def _callback_render(self, result, request, id_, version, auth_required=False):
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result_for_return = result
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if version == jsonrpclib.VERSION_PRE1:
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if not isinstance(result, jsonrpclib.Fault):
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result_for_return = (result_for_return,)
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def _callback_render(self, result, request, id_, auth_required=False):
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try:
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encoded_message = jsonrpc_dumps_pretty(
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result_for_return, id=id_, version=version, default=default_decimal)
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encoded_message = jsonrpc_dumps_pretty(result, id=id_, default=default_decimal)
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request.setResponseCode(200)
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self._set_headers(request, encoded_message, auth_required)
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self._render_message(request, encoded_message)
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except Exception as err:
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log.exception("Failed to render API response: %s", result)
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self._render_error(err, request, id_, version)
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self._render_error(err, request, id_)
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@staticmethod
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def _render_response(result):
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@ -24,11 +24,6 @@ def generate_key(x=None):
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return sha(x)
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def jsonrpc_dumps_pretty(obj, sort_keys=True, **kwargs):
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return jsonrpclib.dumps(obj, sort_keys=sort_keys, indent=2, separators=(',', ': '), **kwargs) \
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+ "\n"
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class APIKey(object):
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def __init__(self, secret, name, expiration=None):
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self.secret = secret
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