748dc80047
This function is added to extend the standard error responses. Which is needed in some cases for example CompleteMultipartUpload should respond with ErrPartTooSmall error when parts uploaded are lesser than 5MB (i.e minimum allowed size per part). Fixes #1536
55 lines
2.1 KiB
Go
55 lines
2.1 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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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// File carries any specific responses constructed/necessary in
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// multipart operations.
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package main
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import "net/http"
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// writeErrorResponsePartTooSmall - function is used specifically to
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// construct a proper error response during CompleteMultipartUpload
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// when one of the parts is < 5MB.
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// The requirement comes due to the fact that generic ErrorResponse
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// XML doesn't carry the additional fields required to send this
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// error. So we construct a new type which lies well within the scope
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// of this function.
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func writePartSmallErrorResponse(w http.ResponseWriter, r *http.Request, err PartTooSmall) {
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// Represents additional fields necessary for ErrPartTooSmall S3 error.
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type completeMultipartAPIError struct {
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// Proposed size represents uploaded size of the part.
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ProposedSize int64
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// Minimum size allowed epresents the minimum size allowed per
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// part. Defaults to 5MB.
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MinSizeAllowed int64
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// Part number of the part which is incorrect.
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PartNumber int
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// ETag of the part which is incorrect.
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PartETag string
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// Other default XML error responses.
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APIErrorResponse
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}
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// Generate complete multipart error response.
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errorResponse := getAPIErrorResponse(getAPIError(toAPIErrorCode(err)), r.URL.Path)
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cmpErrResp := completeMultipartAPIError{err.PartSize, int64(5242880), err.PartNumber, err.PartETag, errorResponse}
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encodedErrorResponse := encodeResponse(cmpErrResp)
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// Write error body
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w.Write(encodedErrorResponse)
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w.(http.Flusher).Flush()
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}
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// Add any other multipart specific responses here.
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