634 lines
22 KiB
634 lines
22 KiB
/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"encoding/xml"
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"net/http"
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)
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// APIError structure
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type APIError struct {
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Code string
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Description string
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HTTPStatusCode int
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}
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// APIErrorResponse - error response format
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type APIErrorResponse struct {
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XMLName xml.Name `xml:"Error" json:"-"`
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Code string
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Message string
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Key string
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BucketName string
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Resource string
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RequestID string `xml:"RequestId"`
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HostID string `xml:"HostId"`
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}
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// APIErrorCode type of error status.
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type APIErrorCode int
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// Error codes, non exhaustive list - http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
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const (
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ErrNone APIErrorCode = iota
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ErrAccessDenied
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ErrBadDigest
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ErrBucketAlreadyExists
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ErrEntityTooSmall
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ErrEntityTooLarge
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ErrIncompleteBody
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ErrInternalError
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ErrInvalidAccessKeyID
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ErrInvalidBucketName
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ErrInvalidDigest
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ErrInvalidRange
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ErrInvalidMaxKeys
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ErrInvalidMaxUploads
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ErrInvalidMaxParts
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ErrInvalidPartNumberMarker
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ErrInvalidRequestBody
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ErrInvalidCopySource
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ErrInvalidCopyDest
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ErrInvalidPolicyDocument
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ErrMalformedXML
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ErrMissingContentLength
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ErrMissingContentMD5
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ErrMissingRequestBodyError
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ErrNoSuchBucket
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ErrNoSuchBucketPolicy
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ErrNoSuchKey
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ErrNoSuchUpload
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ErrNotImplemented
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ErrPreconditionFailed
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ErrRequestTimeTooSkewed
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ErrSignatureDoesNotMatch
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ErrMethodNotAllowed
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ErrInvalidPart
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ErrInvalidPartOrder
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ErrAuthorizationHeaderMalformed
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ErrMalformedPOSTRequest
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ErrSignatureVersionNotSupported
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ErrBucketNotEmpty
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ErrAllAccessDisabled
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ErrMalformedPolicy
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ErrMissingFields
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ErrMissingCredTag
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ErrCredMalformed
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ErrInvalidRegion
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ErrInvalidService
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ErrInvalidRequestVersion
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ErrMissingSignTag
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ErrMissingSignHeadersTag
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ErrPolicyAlreadyExpired
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ErrMalformedDate
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ErrMalformedPresignedDate
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ErrMalformedCredentialDate
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ErrMalformedCredentialRegion
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ErrMalformedExpires
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ErrNegativeExpires
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ErrAuthHeaderEmpty
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ErrExpiredPresignRequest
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ErrUnsignedHeaders
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ErrMissingDateHeader
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ErrInvalidQuerySignatureAlgo
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ErrInvalidQueryParams
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ErrBucketAlreadyOwnedByYou
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// Add new error codes here.
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// Bucket notification related errors.
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ErrEventNotification
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ErrARNNotification
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ErrRegionNotification
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ErrOverlappingFilterNotification
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ErrFilterNameInvalid
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ErrFilterNamePrefix
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ErrFilterNameSuffix
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ErrFilterValueInvalid
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ErrOverlappingConfigs
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// S3 extended errors.
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ErrContentSHA256Mismatch
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// Add new extended error codes here.
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// Minio extended errors.
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ErrReadQuorum
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ErrWriteQuorum
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ErrStorageFull
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ErrObjectExistsAsDirectory
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ErrPolicyNesting
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ErrInvalidObjectName
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// Add new extended error codes here.
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// Please open a https://github.com/minio/minio/issues before adding
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// new error codes here.
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)
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// error code to APIError structure, these fields carry respective
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// descriptions for all the error responses.
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var errorCodeResponse = map[APIErrorCode]APIError{
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ErrInvalidCopyDest: {
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Code: "InvalidRequest",
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Description: "This copy request is illegal because it is trying to copy an object to itself.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidCopySource: {
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Code: "InvalidArgument",
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Description: "Copy Source must mention the source bucket and key: sourcebucket/sourcekey.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidRequestBody: {
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Code: "InvalidArgument",
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Description: "Body shouldn't be set for this request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidMaxUploads: {
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Code: "InvalidArgument",
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Description: "Argument max-uploads must be an integer between 0 and 2147483647",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidMaxKeys: {
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Code: "InvalidArgument",
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Description: "Argument maxKeys must be an integer between 0 and 2147483647",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidMaxParts: {
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Code: "InvalidArgument",
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Description: "Argument max-parts must be an integer between 0 and 2147483647",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidPartNumberMarker: {
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Code: "InvalidArgument",
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Description: "Argument partNumberMarker must be an integer.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidPolicyDocument: {
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Code: "InvalidPolicyDocument",
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Description: "The content of the form does not meet the conditions specified in the policy document.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrAccessDenied: {
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Code: "AccessDenied",
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Description: "Access Denied.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrBadDigest: {
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Code: "BadDigest",
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Description: "The Content-Md5 you specified did not match what we received.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrBucketAlreadyExists: {
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Code: "BucketAlreadyExists",
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Description: "The requested bucket name is not available.",
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HTTPStatusCode: http.StatusConflict,
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},
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ErrEntityTooSmall: {
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Code: "EntityTooSmall",
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Description: "Your proposed upload is smaller than the minimum allowed object size.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrEntityTooLarge: {
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Code: "EntityTooLarge",
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Description: "Your proposed upload exceeds the maximum allowed object size.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrIncompleteBody: {
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Code: "IncompleteBody",
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Description: "You did not provide the number of bytes specified by the Content-Length HTTP header.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInternalError: {
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Code: "InternalError",
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Description: "We encountered an internal error, please try again.",
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HTTPStatusCode: http.StatusInternalServerError,
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},
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ErrInvalidAccessKeyID: {
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Code: "InvalidAccessKeyID",
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Description: "The access key ID you provided does not exist in our records.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrInvalidBucketName: {
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Code: "InvalidBucketName",
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Description: "The specified bucket is not valid.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidDigest: {
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Code: "InvalidDigest",
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Description: "The Content-Md5 you specified is not valid.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidRange: {
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Code: "InvalidRange",
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Description: "The requested range is not satisfiable",
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HTTPStatusCode: http.StatusRequestedRangeNotSatisfiable,
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},
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ErrMalformedXML: {
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Code: "MalformedXML",
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Description: "The XML you provided was not well-formed or did not validate against our published schema.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingContentLength: {
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Code: "MissingContentLength",
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Description: "You must provide the Content-Length HTTP header.",
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HTTPStatusCode: http.StatusLengthRequired,
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},
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ErrMissingContentMD5: {
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Code: "MissingContentMD5",
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Description: "Missing required header for this request: Content-Md5.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingRequestBodyError: {
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Code: "MissingRequestBodyError",
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Description: "Request body is empty.",
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HTTPStatusCode: http.StatusLengthRequired,
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},
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ErrNoSuchBucket: {
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Code: "NoSuchBucket",
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Description: "The specified bucket does not exist",
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HTTPStatusCode: http.StatusNotFound,
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},
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ErrNoSuchBucketPolicy: {
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Code: "NoSuchBucketPolicy",
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Description: "The specified bucket does not have a bucket policy.",
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HTTPStatusCode: http.StatusNotFound,
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},
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ErrNoSuchKey: {
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Code: "NoSuchKey",
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Description: "The specified key does not exist.",
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HTTPStatusCode: http.StatusNotFound,
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},
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ErrNoSuchUpload: {
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Code: "NoSuchUpload",
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Description: "The specified multipart upload does not exist. The upload ID may be invalid, or the upload may have been aborted or completed.",
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HTTPStatusCode: http.StatusNotFound,
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},
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ErrNotImplemented: {
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Code: "NotImplemented",
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Description: "A header you provided implies functionality that is not implemented",
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HTTPStatusCode: http.StatusNotImplemented,
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},
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ErrPreconditionFailed: {
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Code: "PreconditionFailed",
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Description: "At least one of the pre-conditions you specified did not hold",
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HTTPStatusCode: http.StatusPreconditionFailed,
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},
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ErrRequestTimeTooSkewed: {
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Code: "RequestTimeTooSkewed",
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Description: "The difference between the request time and the server's time is too large.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrSignatureDoesNotMatch: {
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Code: "SignatureDoesNotMatch",
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Description: "The request signature we calculated does not match the signature you provided. Check your key and signing method.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrMethodNotAllowed: {
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Code: "MethodNotAllowed",
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Description: "The specified method is not allowed against this resource.",
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HTTPStatusCode: http.StatusMethodNotAllowed,
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},
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ErrInvalidPart: {
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Code: "InvalidPart",
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Description: "One or more of the specified parts could not be found.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidPartOrder: {
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Code: "InvalidPartOrder",
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Description: "The list of parts was not in ascending order. The parts list must be specified in order by part number.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrAuthorizationHeaderMalformed: {
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Code: "AuthorizationHeaderMalformed",
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Description: "The authorization header is malformed; the region is wrong; expecting 'us-east-1'.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMalformedPOSTRequest: {
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Code: "MalformedPOSTRequest",
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Description: "The body of your POST request is not well-formed multipart/form-data.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSignatureVersionNotSupported: {
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Code: "InvalidRequest",
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Description: "The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrBucketNotEmpty: {
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Code: "BucketNotEmpty",
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Description: "The bucket you tried to delete is not empty.",
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HTTPStatusCode: http.StatusConflict,
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},
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ErrAllAccessDisabled: {
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Code: "AllAccessDisabled",
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Description: "All access to this bucket has been disabled.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrMalformedPolicy: {
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Code: "MalformedPolicy",
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Description: "Policy has invalid resource.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingFields: {
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Code: "MissingFields",
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Description: "Missing fields in request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingCredTag: {
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Code: "InvalidRequest",
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Description: "Missing Credential field for this request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrCredMalformed: {
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Code: "AuthorizationQueryParametersError",
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Description: "Error parsing the X-Amz-Credential parameter; the Credential is mal-formed; expecting \"<YOUR-AKID>/YYYYMMDD/REGION/SERVICE/aws4_request\".",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMalformedDate: {
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Code: "MalformedDate",
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Description: "Invalid date format header, expected to be in ISO8601, RFC1123 or RFC1123Z time format.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMalformedPresignedDate: {
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Code: "AuthorizationQueryParametersError",
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Description: "X-Amz-Date must be in the ISO8601 Long Format \"yyyyMMdd'T'HHmmss'Z'\"",
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HTTPStatusCode: http.StatusBadRequest,
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},
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// FIXME: Should contain the invalid param set as seen in https://github.com/minio/minio/issues/2385.
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// right Description: "Error parsing the X-Amz-Credential parameter; incorrect date format \"%s\". This date in the credential must be in the format \"yyyyMMdd\".",
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// Need changes to make sure variable messages can be constructed.
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ErrMalformedCredentialDate: {
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Code: "AuthorizationQueryParametersError",
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Description: "Error parsing the X-Amz-Credential parameter; incorrect date format \"%s\". This date in the credential must be in the format \"yyyyMMdd\".",
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HTTPStatusCode: http.StatusBadRequest,
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},
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// FIXME: Should contain the invalid param set as seen in https://github.com/minio/minio/issues/2385.
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// right Description: "Error parsing the X-Amz-Credential parameter; the region 'us-east-' is wrong; expecting 'us-east-1'".
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// Need changes to make sure variable messages can be constructed.
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ErrMalformedCredentialRegion: {
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Code: "AuthorizationQueryParametersError",
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Description: "Error parsing the X-Amz-Credential parameter; the region is wrong;",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidRegion: {
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Code: "InvalidRegion",
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Description: "Region does not match.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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// FIXME: Should contain the invalid param set as seen in https://github.com/minio/minio/issues/2385.
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// right Description: "Error parsing the X-Amz-Credential parameter; incorrect service \"s4\". This endpoint belongs to \"s3\".".
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// Need changes to make sure variable messages can be constructed.
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ErrInvalidService: {
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Code: "AuthorizationQueryParametersError",
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Description: "Error parsing the X-Amz-Credential parameter; incorrect service. This endpoint belongs to \"s3\".",
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HTTPStatusCode: http.StatusBadRequest,
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},
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// FIXME: Should contain the invalid param set as seen in https://github.com/minio/minio/issues/2385.
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// Description: "Error parsing the X-Amz-Credential parameter; incorrect terminal "aws4_reque". This endpoint uses "aws4_request".
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// Need changes to make sure variable messages can be constructed.
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ErrInvalidRequestVersion: {
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Code: "AuthorizationQueryParametersError",
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Description: "Error parsing the X-Amz-Credential parameter; incorrect terminal. This endpoint uses \"aws4_request\".",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingSignTag: {
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Code: "AccessDenied",
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Description: "Signature header missing Signature field.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingSignHeadersTag: {
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Code: "InvalidArgument",
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Description: "Signature header missing SignedHeaders field.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrPolicyAlreadyExpired: {
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Code: "AccessDenied",
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Description: "Invalid according to Policy: Policy expired.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMalformedExpires: {
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Code: "AuthorizationQueryParametersError",
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Description: "X-Amz-Expires should be a number",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrNegativeExpires: {
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Code: "AuthorizationQueryParametersError",
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Description: "X-Amz-Expires must be non-negative",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrAuthHeaderEmpty: {
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Code: "InvalidArgument",
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Description: "Authorization header is invalid -- one and only one ' ' (space) required.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrMissingDateHeader: {
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Code: "AccessDenied",
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Description: "AWS authentication requires a valid Date or x-amz-date header",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidQuerySignatureAlgo: {
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Code: "AuthorizationQueryParametersError",
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Description: "X-Amz-Algorithm only supports \"AWS4-HMAC-SHA256\".",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrExpiredPresignRequest: {
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Code: "AccessDenied",
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Description: "Request has expired",
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HTTPStatusCode: http.StatusBadRequest,
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},
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// FIXME: Actual XML error response also contains the header which missed in lsit of signed header parameters.
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ErrUnsignedHeaders: {
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Code: "AccessDenied",
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Description: "There were headers present in the request which were not signed",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrInvalidQueryParams: {
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Code: "AuthorizationQueryParametersError",
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Description: "Query-string authentication version 4 requires the X-Amz-Algorithm, X-Amz-Credential, X-Amz-Signature, X-Amz-Date, X-Amz-SignedHeaders, and X-Amz-Expires parameters.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrBucketAlreadyOwnedByYou: {
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Code: "BucketAlreadyOwnedByYou",
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Description: "Your previous request to create the named bucket succeeded and you already own it.",
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HTTPStatusCode: http.StatusConflict,
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},
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/// Bucket notification related errors.
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ErrEventNotification: {
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Code: "InvalidArgument",
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Description: "A specified event is not supported for notifications.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrARNNotification: {
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Code: "InvalidArgument",
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Description: "A specified destination ARN does not exist or is not well-formed. Verify the destination ARN.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrRegionNotification: {
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Code: "InvalidArgument",
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Description: "A specified destination is in a different region than the bucket. You must use a destination that resides in the same region as the bucket.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrOverlappingFilterNotification: {
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Code: "InvalidArgument",
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Description: "An object key name filtering rule defined with overlapping prefixes, overlapping suffixes, or overlapping combinations of prefixes and suffixes for the same event types.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrFilterNameInvalid: {
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Code: "InvalidArgument",
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Description: "filter rule name must be either prefix or suffix",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrFilterNamePrefix: {
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Code: "InvalidArgument",
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Description: "Cannot specify more than one prefix rule in a filter.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrFilterNameSuffix: {
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Code: "InvalidArgument",
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Description: "Cannot specify more than one suffix rule in a filter.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrFilterValueInvalid: {
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Code: "InvalidArgument",
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Description: "Size of filter rule value cannot exceed 1024 bytes in UTF-8 representation",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrOverlappingConfigs: {
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Code: "InvalidArgument",
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Description: "Configurations overlap. Configurations on the same bucket cannot share a common event type.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
|
|
/// S3 extensions.
|
|
ErrContentSHA256Mismatch: {
|
|
Code: "XAmzContentSHA256Mismatch",
|
|
Description: "The provided 'x-amz-content-sha256' header does not match what was computed.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
|
|
/// Minio extensions.
|
|
ErrStorageFull: {
|
|
Code: "XMinioStorageFull",
|
|
Description: "Storage backend has reached its minimum free disk threshold. Please delete few objects to proceed.",
|
|
HTTPStatusCode: http.StatusInternalServerError,
|
|
},
|
|
ErrObjectExistsAsDirectory: {
|
|
Code: "XMinioObjectExistsAsDirectory",
|
|
Description: "Object name already exists as a directory.",
|
|
HTTPStatusCode: http.StatusConflict,
|
|
},
|
|
ErrReadQuorum: {
|
|
Code: "XMinioReadQuorum",
|
|
Description: "Multiple disk failures, unable to reconstruct data.",
|
|
HTTPStatusCode: http.StatusServiceUnavailable,
|
|
},
|
|
ErrWriteQuorum: {
|
|
Code: "XMinioWriteQuorum",
|
|
Description: "Multiple disks failures, unable to write data.",
|
|
HTTPStatusCode: http.StatusServiceUnavailable,
|
|
},
|
|
ErrPolicyNesting: {
|
|
Code: "XMinioPolicyNesting",
|
|
Description: "Policy nesting conflict has occurred.",
|
|
HTTPStatusCode: http.StatusConflict,
|
|
},
|
|
ErrInvalidObjectName: {
|
|
Code: "XMinioInvalidObjectName",
|
|
Description: "Object name contains unsupported characters. Unsupported characters are `^*|\\\"",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
// Add your error structure here.
|
|
}
|
|
|
|
// toAPIErrorCode - Converts embedded errors. Convenience
|
|
// function written to handle all cases where we have known types of
|
|
// errors returned by underlying layers.
|
|
func toAPIErrorCode(err error) (apiErr APIErrorCode) {
|
|
if err == nil {
|
|
return ErrNone
|
|
}
|
|
// Verify if the underlying error is signature mismatch.
|
|
switch err {
|
|
case errSignatureMismatch:
|
|
apiErr = ErrSignatureDoesNotMatch
|
|
case errContentSHA256Mismatch:
|
|
apiErr = ErrContentSHA256Mismatch
|
|
}
|
|
if apiErr != ErrNone {
|
|
// If there was a match in the above switch case.
|
|
return apiErr
|
|
}
|
|
switch err.(type) {
|
|
case StorageFull:
|
|
apiErr = ErrStorageFull
|
|
case BadDigest:
|
|
apiErr = ErrBadDigest
|
|
case IncompleteBody:
|
|
apiErr = ErrIncompleteBody
|
|
case ObjectExistsAsDirectory:
|
|
apiErr = ErrObjectExistsAsDirectory
|
|
case BucketNameInvalid:
|
|
apiErr = ErrInvalidBucketName
|
|
case BucketNotFound:
|
|
apiErr = ErrNoSuchBucket
|
|
case BucketNotEmpty:
|
|
apiErr = ErrBucketNotEmpty
|
|
case BucketExists:
|
|
apiErr = ErrBucketAlreadyOwnedByYou
|
|
case ObjectNotFound:
|
|
apiErr = ErrNoSuchKey
|
|
case ObjectNameInvalid:
|
|
apiErr = ErrInvalidObjectName
|
|
case InvalidUploadID:
|
|
apiErr = ErrNoSuchUpload
|
|
case InvalidPart:
|
|
apiErr = ErrInvalidPart
|
|
case InsufficientWriteQuorum:
|
|
apiErr = ErrWriteQuorum
|
|
case InsufficientReadQuorum:
|
|
apiErr = ErrReadQuorum
|
|
case PartTooSmall:
|
|
apiErr = ErrEntityTooSmall
|
|
default:
|
|
apiErr = ErrInternalError
|
|
}
|
|
return apiErr
|
|
}
|
|
|
|
// getAPIError provides API Error for input API error code.
|
|
func getAPIError(code APIErrorCode) APIError {
|
|
return errorCodeResponse[code]
|
|
}
|
|
|
|
// getErrorResponse gets in standard error and resource value and
|
|
// provides a encodable populated response values
|
|
func getAPIErrorResponse(err APIError, resource string) APIErrorResponse {
|
|
var data = APIErrorResponse{}
|
|
data.Code = err.Code
|
|
data.Message = err.Description
|
|
if resource != "" {
|
|
data.Resource = resource
|
|
}
|
|
// TODO implement this in future
|
|
data.RequestID = "3L137"
|
|
data.HostID = "3L137"
|
|
|
|
return data
|
|
}
|
|
|
|
func getErrMalformedCredentialDate(malformedDateStr string) {
|
|
|
|
}
|
|
|