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Presigend Post: Error out when File is not found (#3723)

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Follow S3 behavior when no File is sent in the presigned
post request form.
This commit is contained in:
Anis Elleuch
2017-02-09 21:37:32 +01:00
committed by Harshavardhana
parent 6800902b43
commit c9b1468c3b
3 changed files with 19 additions and 4 deletions
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11
cmd/handler-utils.go
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@@ -167,7 +167,7 @@ func extractPostPolicyFormValues(form *multipart.Form) (filePart io.ReadCloser,
canonicalFormName := http.CanonicalHeaderKey(k)
// Check if value's field exceeds S3 limit
if int64(len(v[0])) > maxFormFieldSize {
return nil, "", 0, nil, errSizeUnexpected
return nil, "", 0, nil, traceError(errSizeUnexpected)
}
// Set the form value
formValues[canonicalFormName] = v[0]
@@ -178,7 +178,7 @@ func extractPostPolicyFormValues(form *multipart.Form) (filePart io.ReadCloser,
canonicalFormName := http.CanonicalHeaderKey(k)
if canonicalFormName == "File" {
if len(v) == 0 {
return nil, "", 0, nil, errInvalidArgument
return nil, "", 0, nil, traceError(errInvalidArgument)
}
// Fetch fileHeader which has the uploaded file information
fileHeader := v[0]
@@ -186,15 +186,18 @@ func extractPostPolicyFormValues(form *multipart.Form) (filePart io.ReadCloser,
fileName = fileHeader.Filename
// Open the uploaded part
filePart, err = fileHeader.Open()
if err != nil {
return nil, "", 0, nil, traceError(err)
}
// Compute file size
fileSize, err = filePart.(io.Seeker).Seek(0, 2)
if err != nil {
return nil, "", 0, nil, err
return nil, "", 0, nil, traceError(err)
}
// Reset Seek to the beginning
_, err = filePart.(io.Seeker).Seek(0, 0)
if err != nil {
return nil, "", 0, nil, err
return nil, "", 0, nil, traceError(err)
}
// File found and ready for reading
break