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594 lines
17 KiB
594 lines
17 KiB
/*
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* Minio Cloud Storage, (C) 2015, 2016 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 main
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import (
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"bytes"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"io"
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"io/ioutil"
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"math/rand"
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"net/http"
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"net/http/httptest"
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"net/url"
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"os"
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"regexp"
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"sort"
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"strings"
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"testing"
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"time"
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"unicode/utf8"
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)
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// The Argument to TestServer should satidy the interface.
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// Golang Testing.T and Testing.B, and gocheck.C satisfy the interface.
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// This makes it easy to run the TestServer from any of the tests.
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type TestErrHandler interface {
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Error(args ...interface{})
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Errorf(format string, args ...interface{})
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Failed() bool
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Fatal(args ...interface{})
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Fatalf(format string, args ...interface{})
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}
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const (
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// singleNodeTestStr is the string which is used as notation for Single node ObjectLayer in the unit tests.
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singleNodeTestStr string = "SingleNode"
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// xLTestStr is the string which is used as notation for XL ObjectLayer in the unit tests.
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xLTestStr string = "XL"
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)
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const letterBytes = "abcdefghijklmnopqrstuvwxyz01234569"
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const (
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letterIdxBits = 6 // 6 bits to represent a letter index
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letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
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letterIdxMax = 63 / letterIdxBits // # of letter indices fitting in 63 bits
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)
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// TestServer encapsulates an instantiation of a Minio instance with a temporary backend.
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// Example usage:
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// s := StartTestServer(t,"XL")
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// defer s.Stop()
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type TestServer struct {
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Root string
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Disks []string
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AccessKey string
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SecretKey string
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Server *httptest.Server
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}
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// Starts the test server and returns the TestServer instance.
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func StartTestServer(t TestErrHandler, instanceType string) TestServer {
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// create an instance of TestServer.
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testServer := TestServer{}
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// create temporary backend for the test server.
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_, erasureDisks, err := makeTestBackend(instanceType)
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if err != nil {
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t.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
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}
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testServer.Disks = erasureDisks
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// Obtain temp root.
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root, err := getTestRoot()
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if err != nil {
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t.Fatalf("Failed obtaining Temp Root for the backend Backend: <ERROR> %s", err)
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}
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testServer.Root = root
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testServer.Disks = erasureDisks
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// Initialize server config.
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initConfig()
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// Get credential.
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credentials := serverConfig.GetCredential()
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testServer.AccessKey = credentials.AccessKeyID
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testServer.SecretKey = credentials.SecretAccessKey
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// Set a default region.
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serverConfig.SetRegion("us-east-1")
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// Do this only once here.
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setGlobalConfigPath(root)
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err = serverConfig.Save()
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if err != nil {
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t.Fatalf(err.Error())
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}
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// Run TestServer.
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testServer.Server = httptest.NewServer(configureServerHandler(serverCmdConfig{exportPaths: erasureDisks}))
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return testServer
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}
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// Deleting the temporary backend and stopping the server.
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func (testServer TestServer) Stop() {
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removeAll(testServer.Root)
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for _, disk := range testServer.Disks {
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removeAll(disk)
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}
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testServer.Server.Close()
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}
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// used to formulate HTTP v4 signed HTTP request.
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func newTestRequest(method, urlStr string, contentLength int64, body io.ReadSeeker, accessKey, secretKey string) (*http.Request, error) {
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if method == "" {
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method = "POST"
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}
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t := time.Now().UTC()
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req, err := http.NewRequest(method, urlStr, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("x-amz-date", t.Format(iso8601Format))
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// Add Content-Length
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req.ContentLength = contentLength
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// Save for subsequent use
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var hashedPayload string
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switch {
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case body == nil:
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hashedPayload = hex.EncodeToString(sum256([]byte{}))
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default:
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payloadBytes, e := ioutil.ReadAll(body)
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if e != nil {
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return nil, e
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}
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hashedPayload = hex.EncodeToString(sum256(payloadBytes))
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md5base64 := base64.StdEncoding.EncodeToString(sumMD5(payloadBytes))
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req.Header.Set("Content-Md5", md5base64)
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}
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req.Header.Set("x-amz-content-sha256", hashedPayload)
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// Seek back to beginning.
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if body != nil {
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body.Seek(0, 0)
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// Add body
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req.Body = ioutil.NopCloser(body)
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}
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var headers []string
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vals := make(map[string][]string)
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for k, vv := range req.Header {
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if _, ok := ignoredHeaders[http.CanonicalHeaderKey(k)]; ok {
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continue // ignored header
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}
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headers = append(headers, strings.ToLower(k))
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vals[strings.ToLower(k)] = vv
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}
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headers = append(headers, "host")
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sort.Strings(headers)
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var canonicalHeaders bytes.Buffer
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for _, k := range headers {
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canonicalHeaders.WriteString(k)
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canonicalHeaders.WriteByte(':')
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switch {
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case k == "host":
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canonicalHeaders.WriteString(req.URL.Host)
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fallthrough
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default:
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for idx, v := range vals[k] {
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if idx > 0 {
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canonicalHeaders.WriteByte(',')
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}
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canonicalHeaders.WriteString(v)
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}
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canonicalHeaders.WriteByte('\n')
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}
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}
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signedHeaders := strings.Join(headers, ";")
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req.URL.RawQuery = strings.Replace(req.URL.Query().Encode(), "+", "%20", -1)
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encodedPath := getURLEncodedName(req.URL.Path)
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// convert any space strings back to "+"
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encodedPath = strings.Replace(encodedPath, "+", "%20", -1)
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//
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// canonicalRequest =
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// <HTTPMethod>\n
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// <CanonicalURI>\n
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// <CanonicalQueryString>\n
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// <CanonicalHeaders>\n
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// <SignedHeaders>\n
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// <HashedPayload>
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//
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canonicalRequest := strings.Join([]string{
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req.Method,
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encodedPath,
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req.URL.RawQuery,
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canonicalHeaders.String(),
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signedHeaders,
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hashedPayload,
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}, "\n")
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scope := strings.Join([]string{
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t.Format(yyyymmdd),
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"us-east-1",
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"s3",
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"aws4_request",
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}, "/")
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stringToSign := "AWS4-HMAC-SHA256" + "\n" + t.Format(iso8601Format) + "\n"
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stringToSign = stringToSign + scope + "\n"
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stringToSign = stringToSign + hex.EncodeToString(sum256([]byte(canonicalRequest)))
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date := sumHMAC([]byte("AWS4"+secretKey), []byte(t.Format(yyyymmdd)))
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region := sumHMAC(date, []byte("us-east-1"))
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service := sumHMAC(region, []byte("s3"))
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signingKey := sumHMAC(service, []byte("aws4_request"))
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signature := hex.EncodeToString(sumHMAC(signingKey, []byte(stringToSign)))
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// final Authorization header
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parts := []string{
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"AWS4-HMAC-SHA256" + " Credential=" + accessKey + "/" + scope,
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"SignedHeaders=" + signedHeaders,
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"Signature=" + signature,
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}
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auth := strings.Join(parts, ", ")
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req.Header.Set("Authorization", auth)
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return req, nil
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}
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// creates the temp backend setup.
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// if the option is
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// FS: Returns a temp single disk setup initializes FS Backend.
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// XL: Returns a 16 temp single disk setup and initializse XL Backend.
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func makeTestBackend(instanceType string) (ObjectLayer, []string, error) {
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switch instanceType {
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case "FS":
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objLayer, fsroot, err := getSingleNodeObjectLayer()
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if err != nil {
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return nil, []string{}, err
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}
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return objLayer, []string{fsroot}, err
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case "XL":
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objectLayer, erasureDisks, err := getXLObjectLayer()
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if err != nil {
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return nil, []string{}, err
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}
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return objectLayer, erasureDisks, err
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default:
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errMsg := "Invalid instance type, Only FS and XL are valid options"
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return nil, []string{}, fmt.Errorf("Failed obtaining Temp XL layer: <ERROR> %s", errMsg)
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}
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}
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var src = rand.NewSource(time.Now().UTC().UnixNano())
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// Function to generate random string for bucket/object names.
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func randString(n int) string {
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b := make([]byte, n)
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// A rand.Int63() generates 63 random bits, enough for letterIdxMax letters!
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for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
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if remain == 0 {
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cache, remain = src.Int63(), letterIdxMax
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}
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if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
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b[i] = letterBytes[idx]
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i--
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}
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cache >>= letterIdxBits
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remain--
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}
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return string(b)
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}
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// generate random bucket name.
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func getRandomBucketName() string {
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return randString(60)
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}
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// queryEncode - encodes query values in their URL encoded form.
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func queryEncode(v url.Values) string {
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if v == nil {
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return ""
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}
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var buf bytes.Buffer
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keys := make([]string, 0, len(v))
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for k := range v {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, k := range keys {
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vs := v[k]
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prefix := urlEncodePath(k) + "="
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for _, v := range vs {
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if buf.Len() > 0 {
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buf.WriteByte('&')
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}
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buf.WriteString(prefix)
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buf.WriteString(urlEncodePath(v))
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}
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}
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return buf.String()
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}
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// urlEncodePath encode the strings from UTF-8 byte representations to HTML hex escape sequences
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//
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// This is necessary since regular url.Parse() and url.Encode() functions do not support UTF-8
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// non english characters cannot be parsed due to the nature in which url.Encode() is written
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//
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// This function on the other hand is a direct replacement for url.Encode() technique to support
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// pretty much every UTF-8 character.
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func urlEncodePath(pathName string) string {
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// if object matches reserved string, no need to encode them
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reservedNames := regexp.MustCompile("^[a-zA-Z0-9-_.~/]+$")
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if reservedNames.MatchString(pathName) {
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return pathName
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}
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var encodedPathname string
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for _, s := range pathName {
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if 'A' <= s && s <= 'Z' || 'a' <= s && s <= 'z' || '0' <= s && s <= '9' { // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s)
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continue
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}
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switch s {
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case '-', '_', '.', '~', '/': // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s)
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continue
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default:
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len := utf8.RuneLen(s)
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if len < 0 {
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// if utf8 cannot convert return the same string as is
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return pathName
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}
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u := make([]byte, len)
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utf8.EncodeRune(u, s)
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for _, r := range u {
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hex := hex.EncodeToString([]byte{r})
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encodedPathname = encodedPathname + "%" + strings.ToUpper(hex)
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}
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}
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}
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return encodedPathname
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}
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// construct URL for http requests for bucket operations.
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func makeTestTargetURL(endPoint, bucketName, objectName string, queryValues url.Values) string {
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urlStr := endPoint + "/"
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if bucketName != "" {
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urlStr = urlStr + bucketName + "/"
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}
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if objectName != "" {
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urlStr = urlStr + urlEncodePath(objectName)
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}
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if len(queryValues) > 0 {
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urlStr = urlStr + "?" + queryEncode(queryValues)
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}
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return urlStr
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}
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// return URL for uploading object into the bucket.
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func getPutObjectURL(endPoint, bucketName, objectName string) string {
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return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
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}
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// return URL for fetching object from the bucket.
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func getGetObjectURL(endPoint, bucketName, objectName string) string {
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return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
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}
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// return URL for deleting the object from the bucket.
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func getDeleteObjectURL(endPoint, bucketName, objectName string) string {
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return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
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}
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// return URL for HEAD o nthe object.
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func getHeadObjectURL(endPoint, bucketName, objectName string) string {
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return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
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}
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// return URL for inserting bucket policy.
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func getPutPolicyURL(endPoint, bucketName string) string {
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queryValue := url.Values{}
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queryValue.Set("policy", "")
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return makeTestTargetURL(endPoint, bucketName, "", queryValue)
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}
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// return URL for fetching bucket policy.
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func getGetPolicyURL(endPoint, bucketName string) string {
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queryValue := url.Values{}
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queryValue.Set("policy", "")
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return makeTestTargetURL(endPoint, bucketName, "", queryValue)
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}
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// return URL for deleting bucket policy.
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func getDeletePolicyURL(endPoint, bucketName string) string {
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return makeTestTargetURL(endPoint, bucketName, "", url.Values{})
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}
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// return URL for creating the bucket.
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func getMakeBucketURL(endPoint, bucketName string) string {
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return makeTestTargetURL(endPoint, bucketName, "", url.Values{})
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}
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// return URL for listing buckets.
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func getListBucketURL(endPoint string) string {
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return makeTestTargetURL(endPoint, "", "", url.Values{})
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}
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// return URL for HEAD on the bucket.
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func getHEADBucketURL(endPoint, bucketName string) string {
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return makeTestTargetURL(endPoint, bucketName, "", url.Values{})
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}
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// return URL for deleting the bucket.
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func getDeleteBucketURL(endPoint, bucketName string) string {
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return makeTestTargetURL(endPoint, bucketName, "", url.Values{})
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}
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// return URL for listing the bucket.
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func getListObjectsURL(endPoint, bucketName string, maxKeys string) string {
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queryValue := url.Values{}
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if maxKeys != "" {
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queryValue.Set("max-keys", maxKeys)
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}
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return makeTestTargetURL(endPoint, bucketName, "", queryValue)
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}
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// return URL for a new multipart upload.
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func getNewMultipartURL(endPoint, bucketName, objectName string) string {
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queryValue := url.Values{}
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queryValue.Set("uploads", "")
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return makeTestTargetURL(endPoint, bucketName, objectName, queryValue)
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}
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// return URL for a new multipart upload.
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func getPartUploadURL(endPoint, bucketName, objectName, uploadID, partNumber string) string {
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queryValues := url.Values{}
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queryValues.Set("uploadId", uploadID)
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queryValues.Set("partNumber", partNumber)
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return makeTestTargetURL(endPoint, bucketName, objectName, queryValues)
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}
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// return URL for aborting multipart upload.
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func getAbortMultipartUploadURL(endPoint, bucketName, objectName, uploadID string) string {
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queryValue := url.Values{}
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queryValue.Set("uploadId", uploadID)
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return makeTestTargetURL(endPoint, bucketName, objectName, queryValue)
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}
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// return URL for a new multipart upload.
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func getListMultipartURL(endPoint, bucketName string) string {
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queryValue := url.Values{}
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queryValue.Set("uploads", "")
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return makeTestTargetURL(endPoint, bucketName, "", queryValue)
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}
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// return URL for a new multipart upload.
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func getListMultipartURLWithParams(endPoint, bucketName, objectName, uploadID, maxParts string) string {
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queryValues := url.Values{}
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queryValues.Set("uploadId", uploadID)
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queryValues.Set("max-parts", maxParts)
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return makeTestTargetURL(endPoint, bucketName, objectName, queryValues)
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}
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// return URL for completing multipart upload.
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// complete multipart upload request is sent after all parts are uploaded.
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func getCompleteMultipartUploadURL(endPoint, bucketName, objectName, uploadID string) string {
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queryValue := url.Values{}
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queryValue.Set("uploadId", uploadID)
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return makeTestTargetURL(endPoint, bucketName, objectName, queryValue)
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}
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// returns temp root directory. `
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func getTestRoot() (string, error) {
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return ioutil.TempDir(os.TempDir(), "api-")
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}
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|
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// getXLObjectLayer - Instantiates XL object layer and returns it.
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func getXLObjectLayer() (ObjectLayer, []string, error) {
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var nDisks = 16 // Maximum disks.
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var erasureDisks []string
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for i := 0; i < nDisks; i++ {
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path, err := ioutil.TempDir(os.TempDir(), "minio-")
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if err != nil {
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return nil, nil, err
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}
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erasureDisks = append(erasureDisks, path)
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}
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// Initialize name space lock.
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initNSLock()
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objLayer, err := newXLObjects(erasureDisks)
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if err != nil {
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return nil, nil, err
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}
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return objLayer, erasureDisks, nil
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}
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// getSingleNodeObjectLayer - Instantiates single node object layer and returns it.
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func getSingleNodeObjectLayer() (ObjectLayer, string, error) {
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// Make a temporary directory to use as the obj.
|
|
fsDir, err := ioutil.TempDir("", "minio-")
|
|
if err != nil {
|
|
return nil, "", err
|
|
}
|
|
|
|
// Initialize name space lock.
|
|
initNSLock()
|
|
|
|
// Create the obj.
|
|
objLayer, err := newFSObjects(fsDir)
|
|
if err != nil {
|
|
return nil, "", err
|
|
}
|
|
return objLayer, fsDir, nil
|
|
}
|
|
|
|
// removeRoots - Cleans up initialized directories during tests.
|
|
func removeRoots(roots []string) {
|
|
for _, root := range roots {
|
|
removeAll(root)
|
|
}
|
|
}
|
|
|
|
//removeDiskN - removes N disks from supplied disk slice.
|
|
func removeDiskN(disks []string, n int) {
|
|
if n > len(disks) {
|
|
n = len(disks)
|
|
}
|
|
for _, disk := range disks[:n] {
|
|
removeAll(disk)
|
|
}
|
|
}
|
|
|
|
// Regular object test type.
|
|
type objTestType func(obj ObjectLayer, instanceType string, t *testing.T)
|
|
|
|
// Special object test type for disk not found situations.
|
|
type objTestDiskNotFoundType func(obj ObjectLayer, instanceType string, dirs []string, t *testing.T)
|
|
|
|
// ExecObjectLayerTest - executes object layer tests.
|
|
// Creates single node and XL ObjectLayer instance and runs test for both the layers.
|
|
func ExecObjectLayerTest(t *testing.T, objTest objTestType) {
|
|
objLayer, fsDir, err := getSingleNodeObjectLayer()
|
|
if err != nil {
|
|
t.Fatalf("Initialization of object layer failed for single node setup: %s", err.Error())
|
|
}
|
|
// Executing the object layer tests for single node setup.
|
|
objTest(objLayer, singleNodeTestStr, t)
|
|
|
|
objLayer, fsDirs, err := getXLObjectLayer()
|
|
if err != nil {
|
|
t.Fatalf("Initialization of object layer failed for XL setup: %s", err.Error())
|
|
}
|
|
// Executing the object layer tests for XL.
|
|
objTest(objLayer, xLTestStr, t)
|
|
defer removeRoots(append(fsDirs, fsDir))
|
|
}
|
|
|
|
// ExecObjectLayerDiskNotFoundTest - executes object layer tests while deleting
|
|
// disks in between tests. Creates XL ObjectLayer instance and runs test for XL layer.
|
|
func ExecObjectLayerDiskNotFoundTest(t *testing.T, objTest objTestDiskNotFoundType) {
|
|
objLayer, fsDirs, err := getXLObjectLayer()
|
|
if err != nil {
|
|
t.Fatalf("Initialization of object layer failed for XL setup: %s", err.Error())
|
|
}
|
|
// Executing the object layer tests for XL.
|
|
objTest(objLayer, xLTestStr, fsDirs, t)
|
|
defer removeRoots(fsDirs)
|
|
}
|
|
|