You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
529 lines
17 KiB
529 lines
17 KiB
/*
|
|
* Minio Cloud Storage, (C) 2015 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package main
|
|
|
|
import (
|
|
"encoding/xml"
|
|
"net/http"
|
|
)
|
|
|
|
// APIError structure
|
|
type APIError struct {
|
|
Code string
|
|
Description string
|
|
HTTPStatusCode int
|
|
}
|
|
|
|
// APIErrorResponse - error response format
|
|
type APIErrorResponse struct {
|
|
XMLName xml.Name `xml:"Error" json:"-"`
|
|
Code string
|
|
Message string
|
|
Key string
|
|
BucketName string
|
|
Resource string
|
|
RequestID string `xml:"RequestId"`
|
|
HostID string `xml:"HostId"`
|
|
}
|
|
|
|
// APIErrorCode type of error status.
|
|
type APIErrorCode int
|
|
|
|
// Error codes, non exhaustive list - http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
|
|
const (
|
|
ErrNone APIErrorCode = iota
|
|
ErrAccessDenied
|
|
ErrBadDigest
|
|
ErrBucketAlreadyExists
|
|
ErrEntityTooSmall
|
|
ErrEntityTooLarge
|
|
ErrIncompleteBody
|
|
ErrInternalError
|
|
ErrInvalidAccessKeyID
|
|
ErrInvalidBucketName
|
|
ErrInvalidDigest
|
|
ErrInvalidRange
|
|
ErrInvalidMaxKeys
|
|
ErrInvalidMaxUploads
|
|
ErrInvalidMaxParts
|
|
ErrInvalidPartNumberMarker
|
|
ErrInvalidRequestBody
|
|
ErrInvalidCopySource
|
|
ErrInvalidCopyDest
|
|
ErrInvalidPolicyDocument
|
|
ErrMalformedXML
|
|
ErrMissingContentLength
|
|
ErrMissingContentMD5
|
|
ErrMissingRequestBodyError
|
|
ErrNoSuchBucket
|
|
ErrNoSuchBucketPolicy
|
|
ErrNoSuchKey
|
|
ErrNoSuchUpload
|
|
ErrNotImplemented
|
|
ErrPreconditionFailed
|
|
ErrRequestTimeTooSkewed
|
|
ErrSignatureDoesNotMatch
|
|
ErrMethodNotAllowed
|
|
ErrInvalidPart
|
|
ErrInvalidPartOrder
|
|
ErrAuthorizationHeaderMalformed
|
|
ErrMalformedPOSTRequest
|
|
ErrSignatureVersionNotSupported
|
|
ErrBucketNotEmpty
|
|
ErrAllAccessDisabled
|
|
ErrMalformedPolicy
|
|
ErrMissingFields
|
|
ErrMissingCredTag
|
|
ErrCredMalformed
|
|
ErrInvalidRegion
|
|
ErrInvalidService
|
|
ErrInvalidRequestVersion
|
|
ErrMissingSignTag
|
|
ErrMissingSignHeadersTag
|
|
ErrPolicyAlreadyExpired
|
|
ErrMalformedDate
|
|
ErrMalformedExpires
|
|
ErrAuthHeaderEmpty
|
|
ErrExpiredPresignRequest
|
|
ErrMissingDateHeader
|
|
ErrInvalidQuerySignatureAlgo
|
|
ErrInvalidQueryParams
|
|
ErrBucketAlreadyOwnedByYou
|
|
// Add new error codes here.
|
|
|
|
// S3 extended errors.
|
|
ErrContentSHA256Mismatch
|
|
|
|
// Add new extended error codes here.
|
|
|
|
// Minio extended errors.
|
|
ErrReadQuorum
|
|
ErrWriteQuorum
|
|
ErrStorageFull
|
|
ErrObjectExistsAsDirectory
|
|
ErrPolicyNesting
|
|
ErrInvalidObjectName
|
|
// Add new extended error codes here.
|
|
// Please open a https://github.com/minio/minio/issues before adding
|
|
// new error codes here.
|
|
)
|
|
|
|
// error code to APIError structure, these fields carry respective
|
|
// descriptions for all the error responses.
|
|
var errorCodeResponse = map[APIErrorCode]APIError{
|
|
ErrInvalidCopyDest: {
|
|
Code: "InvalidRequest",
|
|
Description: "This copy request is illegal because it is trying to copy an object to itself.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidCopySource: {
|
|
Code: "InvalidArgument",
|
|
Description: "Copy Source must mention the source bucket and key: sourcebucket/sourcekey.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidRequestBody: {
|
|
Code: "InvalidArgument",
|
|
Description: "Body shouldn't be set for this request.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidMaxUploads: {
|
|
Code: "InvalidArgument",
|
|
Description: "Argument max-uploads must be an integer between 0 and 2147483647",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidMaxKeys: {
|
|
Code: "InvalidArgument",
|
|
Description: "Argument maxKeys must be an integer between 0 and 2147483647",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidMaxParts: {
|
|
Code: "InvalidArgument",
|
|
Description: "Argument max-parts must be an integer between 0 and 2147483647",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidPartNumberMarker: {
|
|
Code: "InvalidArgument",
|
|
Description: "Argument partNumberMarker must be an integer.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidPolicyDocument: {
|
|
Code: "InvalidPolicyDocument",
|
|
Description: "The content of the form does not meet the conditions specified in the policy document.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrAccessDenied: {
|
|
Code: "AccessDenied",
|
|
Description: "Access Denied.",
|
|
HTTPStatusCode: http.StatusForbidden,
|
|
},
|
|
ErrBadDigest: {
|
|
Code: "BadDigest",
|
|
Description: "The Content-Md5 you specified did not match what we received.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrBucketAlreadyExists: {
|
|
Code: "BucketAlreadyExists",
|
|
Description: "The requested bucket name is not available.",
|
|
HTTPStatusCode: http.StatusConflict,
|
|
},
|
|
ErrEntityTooSmall: {
|
|
Code: "EntityTooSmall",
|
|
Description: "Your proposed upload is smaller than the minimum allowed object size.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrEntityTooLarge: {
|
|
Code: "EntityTooLarge",
|
|
Description: "Your proposed upload exceeds the maximum allowed object size.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrIncompleteBody: {
|
|
Code: "IncompleteBody",
|
|
Description: "You did not provide the number of bytes specified by the Content-Length HTTP header.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInternalError: {
|
|
Code: "InternalError",
|
|
Description: "We encountered an internal error, please try again.",
|
|
HTTPStatusCode: http.StatusInternalServerError,
|
|
},
|
|
ErrInvalidAccessKeyID: {
|
|
Code: "InvalidAccessKeyID",
|
|
Description: "The access key ID you provided does not exist in our records.",
|
|
HTTPStatusCode: http.StatusForbidden,
|
|
},
|
|
ErrInvalidBucketName: {
|
|
Code: "InvalidBucketName",
|
|
Description: "The specified bucket is not valid.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidDigest: {
|
|
Code: "InvalidDigest",
|
|
Description: "The Content-Md5 you specified is not valid.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidRange: {
|
|
Code: "InvalidRange",
|
|
Description: "The requested range is not satisfiable",
|
|
HTTPStatusCode: http.StatusRequestedRangeNotSatisfiable,
|
|
},
|
|
ErrMalformedXML: {
|
|
Code: "MalformedXML",
|
|
Description: "The XML you provided was not well-formed or did not validate against our published schema.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingContentLength: {
|
|
Code: "MissingContentLength",
|
|
Description: "You must provide the Content-Length HTTP header.",
|
|
HTTPStatusCode: http.StatusLengthRequired,
|
|
},
|
|
ErrMissingContentMD5: {
|
|
Code: "MissingContentMD5",
|
|
Description: "Missing required header for this request: Content-Md5.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingRequestBodyError: {
|
|
Code: "MissingRequestBodyError",
|
|
Description: "Request body is empty.",
|
|
HTTPStatusCode: http.StatusLengthRequired,
|
|
},
|
|
ErrNoSuchBucket: {
|
|
Code: "NoSuchBucket",
|
|
Description: "The specified bucket does not exist",
|
|
HTTPStatusCode: http.StatusNotFound,
|
|
},
|
|
ErrNoSuchBucketPolicy: {
|
|
Code: "NoSuchBucketPolicy",
|
|
Description: "The specified bucket does not have a bucket policy.",
|
|
HTTPStatusCode: http.StatusNotFound,
|
|
},
|
|
ErrNoSuchKey: {
|
|
Code: "NoSuchKey",
|
|
Description: "The specified key does not exist.",
|
|
HTTPStatusCode: http.StatusNotFound,
|
|
},
|
|
ErrNoSuchUpload: {
|
|
Code: "NoSuchUpload",
|
|
Description: "The specified multipart upload does not exist. The upload ID may be invalid, or the upload may have been aborted or completed.",
|
|
HTTPStatusCode: http.StatusNotFound,
|
|
},
|
|
ErrNotImplemented: {
|
|
Code: "NotImplemented",
|
|
Description: "A header you provided implies functionality that is not implemented",
|
|
HTTPStatusCode: http.StatusNotImplemented,
|
|
},
|
|
ErrPreconditionFailed: {
|
|
Code: "PreconditionFailed",
|
|
Description: "At least one of the pre-conditions you specified did not hold",
|
|
HTTPStatusCode: http.StatusPreconditionFailed,
|
|
},
|
|
ErrRequestTimeTooSkewed: {
|
|
Code: "RequestTimeTooSkewed",
|
|
Description: "The difference between the request time and the server's time is too large.",
|
|
HTTPStatusCode: http.StatusForbidden,
|
|
},
|
|
ErrSignatureDoesNotMatch: {
|
|
Code: "SignatureDoesNotMatch",
|
|
Description: "The request signature we calculated does not match the signature you provided. Check your key and signing method.",
|
|
HTTPStatusCode: http.StatusForbidden,
|
|
},
|
|
ErrMethodNotAllowed: {
|
|
Code: "MethodNotAllowed",
|
|
Description: "The specified method is not allowed against this resource.",
|
|
HTTPStatusCode: http.StatusMethodNotAllowed,
|
|
},
|
|
ErrInvalidPart: {
|
|
Code: "InvalidPart",
|
|
Description: "One or more of the specified parts could not be found.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidPartOrder: {
|
|
Code: "InvalidPartOrder",
|
|
Description: "The list of parts was not in ascending order. The parts list must be specified in order by part number.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrAuthorizationHeaderMalformed: {
|
|
Code: "AuthorizationHeaderMalformed",
|
|
Description: "The authorization header is malformed; the region is wrong; expecting 'us-east-1'.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMalformedPOSTRequest: {
|
|
Code: "MalformedPOSTRequest",
|
|
Description: "The body of your POST request is not well-formed multipart/form-data.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrSignatureVersionNotSupported: {
|
|
Code: "InvalidRequest",
|
|
Description: "The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrBucketNotEmpty: {
|
|
Code: "BucketNotEmpty",
|
|
Description: "The bucket you tried to delete is not empty.",
|
|
HTTPStatusCode: http.StatusConflict,
|
|
},
|
|
ErrAllAccessDisabled: {
|
|
Code: "AllAccessDisabled",
|
|
Description: "All access to this bucket has been disabled.",
|
|
HTTPStatusCode: http.StatusForbidden,
|
|
},
|
|
ErrMalformedPolicy: {
|
|
Code: "MalformedPolicy",
|
|
Description: "Policy has invalid resource.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingFields: {
|
|
Code: "MissingFields",
|
|
Description: "Missing fields in request.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingCredTag: {
|
|
Code: "InvalidRequest",
|
|
Description: "Missing Credential field for this request.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrCredMalformed: {
|
|
Code: "CredentialMalformed",
|
|
Description: "Credential field malformed does not follow accessKeyID/credScope.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMalformedDate: {
|
|
Code: "MalformedDate",
|
|
Description: "Invalid date format header, expected to be in ISO8601, RFC1123 or RFC1123Z time format.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidRegion: {
|
|
Code: "InvalidRegion",
|
|
Description: "Region does not match.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidService: {
|
|
Code: "AccessDenied",
|
|
Description: "Service scope should be of value 's3'.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidRequestVersion: {
|
|
Code: "AccessDenied",
|
|
Description: "Request scope should be of value 'aws4_request'.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingSignTag: {
|
|
Code: "AccessDenied",
|
|
Description: "Signature header missing Signature field.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingSignHeadersTag: {
|
|
Code: "InvalidArgument",
|
|
Description: "Signature header missing SignedHeaders field.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrPolicyAlreadyExpired: {
|
|
Code: "AccessDenied",
|
|
Description: "Invalid according to Policy: Policy expired.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMalformedExpires: {
|
|
Code: "MalformedExpires",
|
|
Description: "Malformed expires header, expected non-zero number.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrAuthHeaderEmpty: {
|
|
Code: "InvalidArgument",
|
|
Description: "Authorization header is invalid -- one and only one ' ' (space) required.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrMissingDateHeader: {
|
|
Code: "AccessDenied",
|
|
Description: "AWS authentication requires a valid Date or x-amz-date header",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidQuerySignatureAlgo: {
|
|
Code: "AuthorizationQueryParametersError",
|
|
Description: "X-Amz-Algorithm only supports \"AWS4-HMAC-SHA256\".",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrExpiredPresignRequest: {
|
|
Code: "AccessDenied",
|
|
Description: "Request has expired.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrInvalidQueryParams: {
|
|
Code: "AuthorizationQueryParametersError",
|
|
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.",
|
|
HTTPStatusCode: http.StatusBadRequest,
|
|
},
|
|
ErrBucketAlreadyOwnedByYou: {
|
|
Code: "BucketAlreadyOwnedByYou",
|
|
Description: "Your previous request to create the named bucket succeeded and you already own it.",
|
|
HTTPStatusCode: http.StatusConflict,
|
|
},
|
|
|
|
/// 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
|
|
}
|
|
|