158 lines
5.1 KiB
Go
158 lines
5.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 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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"context"
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"encoding/xml"
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"net/http"
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xhttp "github.com/minio/minio/cmd/http"
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"github.com/minio/minio/cmd/logger"
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)
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// writeSTSErrorRespone writes error headers
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func writeSTSErrorResponse(ctx context.Context, w http.ResponseWriter, isErrCodeSTS bool, errCode STSErrorCode, errCtxt error) {
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var err STSError
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if isErrCodeSTS {
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err = stsErrCodes.ToSTSErr(errCode)
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}
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if err.Code == "InternalError" || !isErrCodeSTS {
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aerr := getAPIError(APIErrorCode(errCode))
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if aerr.Code != "InternalError" {
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err.Code = aerr.Code
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err.Description = aerr.Description
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err.HTTPStatusCode = aerr.HTTPStatusCode
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}
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}
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// Generate error response.
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stsErrorResponse := STSErrorResponse{}
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stsErrorResponse.Error.Code = err.Code
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stsErrorResponse.RequestID = w.Header().Get(xhttp.AmzRequestID)
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stsErrorResponse.Error.Message = err.Description
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if errCtxt != nil {
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stsErrorResponse.Error.Message = errCtxt.Error()
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}
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var logKind logger.Kind
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switch errCode {
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case ErrSTSInternalError, ErrSTSNotInitialized:
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logKind = logger.Minio
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default:
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logKind = logger.All
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}
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logger.LogIf(ctx, errCtxt, logKind)
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encodedErrorResponse := encodeResponse(stsErrorResponse)
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writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeXML)
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}
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// STSError structure
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type STSError 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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// STSErrorResponse - error response format
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type STSErrorResponse struct {
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XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ ErrorResponse" json:"-"`
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Error struct {
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Type string `xml:"Type"`
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Code string `xml:"Code"`
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Message string `xml:"Message"`
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} `xml:"Error"`
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RequestID string `xml:"RequestId"`
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}
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// STSErrorCode type of error status.
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type STSErrorCode int
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//go:generate stringer -type=STSErrorCode -trimprefix=Err $GOFILE
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// Error codes, non exhaustive list - http://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithSAML.html
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const (
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ErrSTSNone STSErrorCode = iota
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ErrSTSAccessDenied
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ErrSTSMissingParameter
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ErrSTSInvalidParameterValue
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ErrSTSWebIdentityExpiredToken
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ErrSTSClientGrantsExpiredToken
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ErrSTSInvalidClientGrantsToken
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ErrSTSMalformedPolicyDocument
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ErrSTSNotInitialized
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ErrSTSInternalError
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)
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type stsErrorCodeMap map[STSErrorCode]STSError
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func (e stsErrorCodeMap) ToSTSErr(errCode STSErrorCode) STSError {
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apiErr, ok := e[errCode]
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if !ok {
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return e[ErrSTSInternalError]
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}
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return apiErr
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}
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// error code to STSError structure, these fields carry respective
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// descriptions for all the error responses.
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var stsErrCodes = stsErrorCodeMap{
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ErrSTSAccessDenied: {
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Code: "AccessDenied",
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Description: "Generating temporary credentials not allowed for this request.",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrSTSMissingParameter: {
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Code: "MissingParameter",
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Description: "A required parameter for the specified action is not supplied.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSInvalidParameterValue: {
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Code: "InvalidParameterValue",
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Description: "An invalid or out-of-range value was supplied for the input parameter.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSWebIdentityExpiredToken: {
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Code: "ExpiredToken",
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Description: "The web identity token that was passed is expired or is not valid. Get a new identity token from the identity provider and then retry the request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSClientGrantsExpiredToken: {
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Code: "ExpiredToken",
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Description: "The client grants that was passed is expired or is not valid. Get a new client grants token from the identity provider and then retry the request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSInvalidClientGrantsToken: {
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Code: "InvalidClientGrantsToken",
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Description: "The client grants token that was passed could not be validated by MinIO.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSMalformedPolicyDocument: {
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Code: "MalformedPolicyDocument",
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Description: "The request was rejected because the policy document was malformed.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrSTSNotInitialized: {
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Code: "STSNotInitialized",
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Description: "STS API not initialized, please try again.",
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HTTPStatusCode: http.StatusServiceUnavailable,
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},
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ErrSTSInternalError: {
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Code: "InternalError",
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Description: "We encountered an internal error generating credentials, please try again.",
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HTTPStatusCode: http.StatusInternalServerError,
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},
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}
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