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302 lines
10 KiB
302 lines
10 KiB
package s3api
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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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// RESTErrorResponse - error response format
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type RESTErrorResponse struct {
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XMLName xml.Name `xml:"Error" json:"-"`
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Code string `xml:"Code" json:"Code"`
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Message string `xml:"Message" json:"Message"`
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Resource string `xml:"Resource" json:"Resource"`
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RequestID string `xml:"RequestId" json:"RequestId"`
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}
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// ErrorCode type of error status.
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type ErrorCode int
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// Error codes, see full list at http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
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const (
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ErrNone ErrorCode = iota
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ErrAccessDenied
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ErrMethodNotAllowed
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ErrBucketNotEmpty
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ErrBucketAlreadyExists
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ErrBucketAlreadyOwnedByYou
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ErrNoSuchBucket
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ErrNoSuchKey
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ErrNoSuchUpload
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ErrInvalidBucketName
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ErrInvalidDigest
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ErrInvalidMaxKeys
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ErrInvalidMaxUploads
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ErrInvalidMaxParts
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ErrInvalidPartNumberMarker
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ErrInvalidPart
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ErrInternalError
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ErrInvalidCopyDest
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ErrInvalidCopySource
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ErrAuthHeaderEmpty
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ErrSignatureVersionNotSupported
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ErrMissingFields
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ErrMissingCredTag
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ErrCredMalformed
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ErrMalformedXML
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ErrMalformedDate
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ErrMalformedPresignedDate
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ErrMalformedCredentialDate
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ErrMissingSignHeadersTag
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ErrMissingSignTag
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ErrUnsignedHeaders
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ErrInvalidQueryParams
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ErrInvalidQuerySignatureAlgo
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ErrExpiredPresignRequest
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ErrMalformedExpires
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ErrNegativeExpires
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ErrMaximumExpires
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ErrSignatureDoesNotMatch
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ErrContentSHA256Mismatch
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ErrInvalidAccessKeyID
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ErrRequestNotReadyYet
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ErrMissingDateHeader
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ErrInvalidRequest
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ErrNotImplemented
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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[ErrorCode]APIError{
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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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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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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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ErrBucketAlreadyExists: {
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Code: "BucketAlreadyExists",
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Description: "The requested bucket name is not available. The bucket namespace is shared by all users of the system. Please select a different name and try again.",
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HTTPStatusCode: http.StatusConflict,
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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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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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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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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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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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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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ErrInvalidPart: {
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Code: "InvalidPart",
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Description: "One or more of the specified parts could not be found. The part may not have been uploaded, or the specified entity tag may not match the part's entity tag.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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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 without changing the object's metadata, storage class, website redirect location or encryption attributes.",
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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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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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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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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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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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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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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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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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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.StatusForbidden,
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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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ErrMaximumExpires: {
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Code: "AuthorizationQueryParametersError",
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Description: "X-Amz-Expires must be less than a week (in seconds); that is, the given X-Amz-Expires must be less than 604800 seconds",
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HTTPStatusCode: http.StatusBadRequest,
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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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ErrRequestNotReadyYet: {
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Code: "AccessDenied",
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Description: "Request is not valid yet",
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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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ErrContentSHA256Mismatch: {
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Code: "XAmzContentSHA256Mismatch",
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Description: "The provided 'x-amz-content-sha256' header does not match what was computed.",
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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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ErrInvalidRequest: {
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Code: "InvalidRequest",
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Description: "Invalid Request",
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HTTPStatusCode: http.StatusBadRequest,
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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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}
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// getAPIError provides API Error for input API error code.
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func getAPIError(code ErrorCode) APIError {
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return errorCodeResponse[code]
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}
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