1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import logging
from typing import NoReturn
from xml.etree.ElementTree import Element
from azure.core.exceptions import (
ClientAuthenticationError,
DecodeError,
HttpResponseError,
ResourceExistsError,
ResourceModifiedError,
ResourceNotFoundError,
)
from azure.core.pipeline.policies import ContentDecodePolicy
from .authentication import AzureSigningError
from .models import get_enum_value, StorageErrorCode, UserDelegationKey
from .parser import _to_utc_datetime
_LOGGER = logging.getLogger(__name__)
class PartialBatchErrorException(HttpResponseError):
"""There is a partial failure in batch operations.
:param str message: The message of the exception.
:param response: Server response to be deserialized.
:param list parts: A list of the parts in multipart response.
"""
def __init__(self, message, response, parts):
self.parts = parts
super(PartialBatchErrorException, self).__init__(message=message, response=response)
# Parses the blob length from the content range header: bytes 1-3/65537
def parse_length_from_content_range(content_range):
if content_range is None:
return None
# First, split in space and take the second half: '1-3/65537'
# Next, split on slash and take the second half: '65537'
# Finally, convert to an int: 65537
return int(content_range.split(' ', 1)[1].split('/', 1)[1])
def normalize_headers(headers):
normalized = {}
for key, value in headers.items():
if key.startswith('x-ms-'):
key = key[5:]
normalized[key.lower().replace('-', '_')] = get_enum_value(value)
return normalized
def deserialize_metadata(response, obj, headers): # pylint: disable=unused-argument
try:
raw_metadata = {k: v for k, v in response.http_response.headers.items() if k.lower().startswith('x-ms-meta-')}
except AttributeError:
raw_metadata = {k: v for k, v in response.headers.items() if k.lower().startswith('x-ms-meta-')}
return {k[10:]: v for k, v in raw_metadata.items()}
def return_response_headers(response, deserialized, response_headers): # pylint: disable=unused-argument
return normalize_headers(response_headers)
def return_headers_and_deserialized(response, deserialized, response_headers): # pylint: disable=unused-argument
return normalize_headers(response_headers), deserialized
def return_context_and_deserialized(response, deserialized, response_headers): # pylint: disable=unused-argument
return response.http_response.location_mode, deserialized
def return_raw_deserialized(response, *_):
return response.http_response.location_mode, response.context[ContentDecodePolicy.CONTEXT_NAME]
def process_storage_error(storage_error) -> NoReturn: # type: ignore [misc] # pylint:disable=too-many-statements, too-many-branches
raise_error = HttpResponseError
serialized = False
if isinstance(storage_error, AzureSigningError):
storage_error.message = storage_error.message + \
'. This is likely due to an invalid shared key. Please check your shared key and try again.'
if not storage_error.response or storage_error.response.status_code in [200, 204]:
raise storage_error
# If it is one of those three then it has been serialized prior by the generated layer.
if isinstance(storage_error, (PartialBatchErrorException,
ClientAuthenticationError, ResourceNotFoundError, ResourceExistsError)):
serialized = True
error_code = storage_error.response.headers.get('x-ms-error-code')
error_message = storage_error.message
additional_data = {}
error_dict = {}
try:
error_body = ContentDecodePolicy.deserialize_from_http_generics(storage_error.response)
try:
if error_body is None or len(error_body) == 0:
error_body = storage_error.response.reason
except AttributeError:
error_body = ''
# If it is an XML response
if isinstance(error_body, Element):
error_dict = {
child.tag.lower(): child.text
for child in error_body
}
# If it is a JSON response
elif isinstance(error_body, dict):
error_dict = error_body.get('error', {})
elif not error_code:
_LOGGER.warning(
'Unexpected return type %s from ContentDecodePolicy.deserialize_from_http_generics.', type(error_body))
error_dict = {'message': str(error_body)}
# If we extracted from a Json or XML response
# There is a chance error_dict is just a string
if error_dict and isinstance(error_dict, dict):
error_code = error_dict.get('code')
error_message = error_dict.get('message')
additional_data = {k: v for k, v in error_dict.items() if k not in {'code', 'message'}}
except DecodeError:
pass
try:
# This check would be unnecessary if we have already serialized the error
if error_code and not serialized:
error_code = StorageErrorCode(error_code)
if error_code in [StorageErrorCode.condition_not_met,
StorageErrorCode.blob_overwritten]:
raise_error = ResourceModifiedError
if error_code in [StorageErrorCode.invalid_authentication_info,
StorageErrorCode.authentication_failed]:
raise_error = ClientAuthenticationError
if error_code in [StorageErrorCode.resource_not_found,
StorageErrorCode.cannot_verify_copy_source,
StorageErrorCode.blob_not_found,
StorageErrorCode.queue_not_found,
StorageErrorCode.container_not_found,
StorageErrorCode.parent_not_found,
StorageErrorCode.share_not_found]:
raise_error = ResourceNotFoundError
if error_code in [StorageErrorCode.account_already_exists,
StorageErrorCode.account_being_created,
StorageErrorCode.resource_already_exists,
StorageErrorCode.resource_type_mismatch,
StorageErrorCode.blob_already_exists,
StorageErrorCode.queue_already_exists,
StorageErrorCode.container_already_exists,
StorageErrorCode.container_being_deleted,
StorageErrorCode.queue_being_deleted,
StorageErrorCode.share_already_exists,
StorageErrorCode.share_being_deleted]:
raise_error = ResourceExistsError
except ValueError:
# Got an unknown error code
pass
# Error message should include all the error properties
try:
error_message += f"\nErrorCode:{error_code.value}"
except AttributeError:
error_message += f"\nErrorCode:{error_code}"
for name, info in additional_data.items():
error_message += f"\n{name}:{info}"
# No need to create an instance if it has already been serialized by the generated layer
if serialized:
storage_error.message = error_message
error = storage_error
else:
error = raise_error(message=error_message, response=storage_error.response)
# Ensure these properties are stored in the error instance as well (not just the error message)
error.error_code = error_code
error.additional_info = additional_data
# error.args is what's surfaced on the traceback - show error message in all cases
error.args = (error.message,)
try:
# `from None` prevents us from double printing the exception (suppresses generated layer error context)
exec("raise error from None") # pylint: disable=exec-used # nosec
except SyntaxError as exc:
raise error from exc
def parse_to_internal_user_delegation_key(service_user_delegation_key):
internal_user_delegation_key = UserDelegationKey()
internal_user_delegation_key.signed_oid = service_user_delegation_key.signed_oid
internal_user_delegation_key.signed_tid = service_user_delegation_key.signed_tid
internal_user_delegation_key.signed_start = _to_utc_datetime(service_user_delegation_key.signed_start)
internal_user_delegation_key.signed_expiry = _to_utc_datetime(service_user_delegation_key.signed_expiry)
internal_user_delegation_key.signed_service = service_user_delegation_key.signed_service
internal_user_delegation_key.signed_version = service_user_delegation_key.signed_version
internal_user_delegation_key.value = service_user_delegation_key.value
return internal_user_delegation_key
|
