mirror of
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73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
/*
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* Minio Client (C) 2015 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 s3
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import (
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"net/http"
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"net/http/httputil"
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"regexp"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/iodine"
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)
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// Trace - tracing structure
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type Trace struct {
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}
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// NewTrace - initialize Trace structure
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func NewTrace() HTTPTracer {
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return Trace{}
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}
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// Request - Trace HTTP Request
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func (t Trace) Request(req *http.Request) (err error) {
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origAuth := req.Header.Get("Authorization")
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// Authorization (S3 v4 signature) Format:
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// Authorization: AWS4-HMAC-SHA256 Credential=AKIAJNACEGBGMXBHLEZA/20150524/us-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=bbfaa693c626021bcb5f911cd898a1a30206c1fad6bad1e0eb89e282173bd24c
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// Strip out access-key-id from: Credential=<access-key-id>/<date>/<aws-region>/<aws-service>/aws4_request
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regCred := regexp.MustCompile("Credential=([A-Z]+)/")
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newAuth := regCred.ReplaceAllString(origAuth, "Credential=**REDACTED**/")
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// Strip out 256-bit signature from: Signature=<256-bit signature>
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regSign := regexp.MustCompile("Signature=([[0-9a-f]+)")
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newAuth = regSign.ReplaceAllString(newAuth, "Signature=**REDACTED**")
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// Set a temporary redacted auth
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req.Header.Set("Authorization", newAuth)
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reqTrace, err := httputil.DumpRequestOut(req, false) // Only display header
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if err == nil {
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console.Debug(string(reqTrace))
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}
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// Undo
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req.Header.Set("Authorization", origAuth)
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return iodine.New(err, nil)
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}
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// Response - Trace HTTP Response
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func (t Trace) Response(res *http.Response) (err error) {
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resTrace, err := httputil.DumpResponse(res, false) // Only display header
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if err == nil {
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console.Debug(string(resTrace))
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}
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return iodine.New(err, nil)
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}
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