s3: add support for PostPolicy
fix https://github.com/chrislusf/seaweedfs/issues/1426
This commit is contained in:
Chris Lu
61
weed/s3api/s3err/s3-error.go
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61
weed/s3api/s3err/s3-error.go
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@@ -0,0 +1,61 @@
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package s3err
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/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2015-2017 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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// Non exhaustive list of AWS S3 standard error responses -
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// http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
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var s3ErrorResponseMap = map[string]string{
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"AccessDenied": "Access Denied.",
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"BadDigest": "The Content-Md5 you specified did not match what we received.",
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"EntityTooSmall": "Your proposed upload is smaller than the minimum allowed object size.",
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"EntityTooLarge": "Your proposed upload exceeds the maximum allowed object size.",
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"IncompleteBody": "You did not provide the number of bytes specified by the Content-Length HTTP header.",
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"InternalError": "We encountered an internal error, please try again.",
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"InvalidAccessKeyId": "The access key ID you provided does not exist in our records.",
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"InvalidBucketName": "The specified bucket is not valid.",
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"InvalidDigest": "The Content-Md5 you specified is not valid.",
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"InvalidRange": "The requested range is not satisfiable",
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"MalformedXML": "The XML you provided was not well-formed or did not validate against our published schema.",
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"MissingContentLength": "You must provide the Content-Length HTTP header.",
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"MissingContentMD5": "Missing required header for this request: Content-Md5.",
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"MissingRequestBodyError": "Request body is empty.",
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"NoSuchBucket": "The specified bucket does not exist.",
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"NoSuchBucketPolicy": "The bucket policy does not exist",
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"NoSuchKey": "The specified key does not exist.",
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"NoSuchUpload": "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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"NotImplemented": "A header you provided implies functionality that is not implemented",
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"PreconditionFailed": "At least one of the pre-conditions you specified did not hold",
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"RequestTimeTooSkewed": "The difference between the request time and the server's time is too large.",
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"SignatureDoesNotMatch": "The request signature we calculated does not match the signature you provided. Check your key and signing method.",
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"MethodNotAllowed": "The specified method is not allowed against this resource.",
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"InvalidPart": "One or more of the specified parts could not be found.",
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"InvalidPartOrder": "The list of parts was not in ascending order. The parts list must be specified in order by part number.",
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"InvalidObjectState": "The operation is not valid for the current state of the object.",
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"AuthorizationHeaderMalformed": "The authorization header is malformed; the region is wrong.",
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"MalformedPOSTRequest": "The body of your POST request is not well-formed multipart/form-data.",
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"BucketNotEmpty": "The bucket you tried to delete is not empty",
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"AllAccessDisabled": "All access to this bucket has been disabled.",
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"MalformedPolicy": "Policy has invalid resource.",
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"MissingFields": "Missing fields in request.",
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"AuthorizationQueryParametersError": "Error parsing the X-Amz-Credential parameter; the Credential is mal-formed; expecting \"<YOUR-AKID>/YYYYMMDD/REGION/SERVICE/aws4_request\".",
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"MalformedDate": "Invalid date format header, expected to be in ISO8601, RFC1123 or RFC1123Z time format.",
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"BucketAlreadyOwnedByYou": "Your previous request to create the named bucket succeeded and you already own it.",
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"InvalidDuration": "Duration provided in the request is invalid.",
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"XAmzContentSHA256Mismatch": "The provided 'x-amz-content-sha256' header does not match what was computed.",
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// Add new API errors here.
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}
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@@ -2,6 +2,7 @@ package s3err
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import (
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"encoding/xml"
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"fmt"
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"net/http"
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)
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@@ -19,6 +20,21 @@ type RESTErrorResponse struct {
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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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// Underlying HTTP status code for the returned error
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StatusCode int `xml:"-" json:"-"`
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}
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// Error - Returns S3 error string.
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func (e RESTErrorResponse) Error() string {
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if e.Message == "" {
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msg, ok := s3ErrorResponseMap[e.Code]
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if !ok {
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msg = fmt.Sprintf("Error response code %s.", e.Code)
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}
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return msg
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}
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return e.Message
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}
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// ErrorCode type of error status.
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@@ -47,6 +63,11 @@ const (
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ErrInvalidCopySource
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ErrAuthHeaderEmpty
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ErrSignatureVersionNotSupported
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ErrMalformedPOSTRequest
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ErrPOSTFileRequired
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ErrPostPolicyConditionInvalidFormat
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ErrEntityTooSmall
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ErrEntityTooLarge
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ErrMissingFields
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ErrMissingCredTag
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ErrCredMalformed
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@@ -167,13 +188,11 @@ var errorCodeResponse = map[ErrorCode]APIError{
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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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@@ -184,6 +203,31 @@ var errorCodeResponse = map[ErrorCode]APIError{
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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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ErrMalformedPOSTRequest: {
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Code: "MalformedPOSTRequest",
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Description: "The body of your POST request is not well-formed multipart/form-data.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrPOSTFileRequired: {
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Code: "InvalidArgument",
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Description: "POST requires exactly one file upload per request.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrPostPolicyConditionInvalidFormat: {
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Code: "PostPolicyInvalidKeyName",
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Description: "Invalid according to Policy: Policy Condition failed",
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HTTPStatusCode: http.StatusForbidden,
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},
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ErrEntityTooSmall: {
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Code: "EntityTooSmall",
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Description: "Your proposed upload is smaller than the minimum allowed object size.",
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HTTPStatusCode: http.StatusBadRequest,
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},
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ErrEntityTooLarge: {
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Code: "EntityTooLarge",
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Description: "Your proposed upload exceeds the maximum allowed object size.",
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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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