mirror of
https://github.com/minio/minio
synced 2024-07-21 18:35:07 +00:00
780882efcf
x-amz-signed-headers is meant for HTTP headers only not for query params, using that to verify things further can lead to failure. The generated presigned URL with custom metadata is already kosher (tamper proof). fixes #18281
398 lines
14 KiB
Go
398 lines
14 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"net/http"
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"os"
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"testing"
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"time"
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"github.com/minio/madmin-go/v3"
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"github.com/minio/minio/internal/auth"
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xhttp "github.com/minio/minio/internal/http"
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)
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func TestCheckValid(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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objLayer, fsDir, err := prepareFS(ctx)
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(fsDir)
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if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
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t.Fatalf("unable initialize config file, %s", err)
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}
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initAllSubsystems(ctx)
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initConfigSubsystem(ctx, objLayer)
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globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)
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req, err := newTestRequest(http.MethodGet, "http://example.com:9000/bucket/object", 0, nil)
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if err != nil {
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t.Fatal(err)
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}
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if err = signRequestV4(req, globalActiveCred.AccessKey, globalActiveCred.SecretKey); err != nil {
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t.Fatal(err)
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}
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_, owner, s3Err := checkKeyValid(req, globalActiveCred.AccessKey)
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if s3Err != ErrNone {
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t.Fatalf("Unexpected failure with %v", errorCodes.ToAPIErr(s3Err))
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}
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if !owner {
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t.Fatalf("Expected owner to be 'true', found %t", owner)
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}
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_, _, s3Err = checkKeyValid(req, "does-not-exist")
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if s3Err != ErrInvalidAccessKeyID {
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t.Fatalf("Expected error 'ErrInvalidAccessKeyID', found %v", s3Err)
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}
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ucreds, err := auth.CreateCredentials("myuser1", "mypassword1")
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if err != nil {
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t.Fatalf("unable create credential, %s", err)
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}
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globalIAMSys.CreateUser(ctx, ucreds.AccessKey, madmin.AddOrUpdateUserReq{
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SecretKey: ucreds.SecretKey,
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Status: madmin.AccountEnabled,
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})
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_, owner, s3Err = checkKeyValid(req, ucreds.AccessKey)
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if s3Err != ErrNone {
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t.Fatalf("Unexpected failure with %v", errorCodes.ToAPIErr(s3Err))
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}
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if owner {
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t.Fatalf("Expected owner to be 'false', found %t", owner)
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}
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}
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// TestSkipContentSha256Cksum - Test validate the logic which decides whether
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// to skip checksum validation based on the request header.
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func TestSkipContentSha256Cksum(t *testing.T) {
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testCases := []struct {
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inputHeaderKey string
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inputHeaderValue string
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inputQueryKey string
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inputQueryValue string
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expectedResult bool
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}{
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// Test case - 1.
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// Test case with "X-Amz-Content-Sha256" header set, but to empty value but we can't skip.
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{"X-Amz-Content-Sha256", "", "", "", false},
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// Test case - 2.
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// Test case with "X-Amz-Content-Sha256" not set so we can skip.
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{"", "", "", "", true},
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// Test case - 3.
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// Test case with "X-Amz-Content-Sha256" header set to "UNSIGNED-PAYLOAD"
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// When "X-Amz-Content-Sha256" header is set to "UNSIGNED-PAYLOAD", validation of content sha256 has to be skipped.
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{"X-Amz-Content-Sha256", unsignedPayload, "X-Amz-Credential", "", true},
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// Test case - 4.
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// Enabling PreSigned Signature v4, but X-Amz-Content-Sha256 not set has to be skipped.
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{"", "", "X-Amz-Credential", "", true},
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// Test case - 5.
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// Enabling PreSigned Signature v4, but X-Amz-Content-Sha256 set and its not UNSIGNED-PAYLOAD, we shouldn't skip.
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{"X-Amz-Content-Sha256", "somevalue", "X-Amz-Credential", "", false},
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// Test case - 6.
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// Test case with "X-Amz-Content-Sha256" header set to "UNSIGNED-PAYLOAD" and its not presigned, we should skip.
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{"X-Amz-Content-Sha256", unsignedPayload, "", "", true},
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// Test case - 7.
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// "X-Amz-Content-Sha256" not set and PreSigned Signature v4 not enabled, sha256 checksum calculation is not skipped.
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{"", "", "X-Amz-Credential", "", true},
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// Test case - 8.
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// "X-Amz-Content-Sha256" has a proper value cannot skip.
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{"X-Amz-Content-Sha256", "somevalue", "", "", false},
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}
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for i, testCase := range testCases {
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// creating an input HTTP request.
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// Only the headers are relevant for this particular test.
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inputReq, err := http.NewRequest(http.MethodGet, "http://example.com", nil)
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if err != nil {
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t.Fatalf("Error initializing input HTTP request: %v", err)
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}
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if testCase.inputQueryKey != "" {
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q := inputReq.URL.Query()
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q.Add(testCase.inputQueryKey, testCase.inputQueryValue)
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if testCase.inputHeaderKey != "" {
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q.Add(testCase.inputHeaderKey, testCase.inputHeaderValue)
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}
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inputReq.URL.RawQuery = q.Encode()
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} else if testCase.inputHeaderKey != "" {
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inputReq.Header.Set(testCase.inputHeaderKey, testCase.inputHeaderValue)
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}
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inputReq.ParseForm()
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actualResult := skipContentSha256Cksum(inputReq)
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if testCase.expectedResult != actualResult {
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t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
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}
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}
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}
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// TestIsValidRegion - Tests validate the comparison logic for asserting whether the region from http request is valid.
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func TestIsValidRegion(t *testing.T) {
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testCases := []struct {
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inputReqRegion string
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inputConfRegion string
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expectedResult bool
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}{
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{"", "", true},
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{globalMinioDefaultRegion, "", true},
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{globalMinioDefaultRegion, "US", true},
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{"us-west-1", "US", false},
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{"us-west-1", "us-west-1", true},
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// "US" was old naming convention for 'us-east-1'.
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{"US", "US", true},
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}
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for i, testCase := range testCases {
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actualResult := isValidRegion(testCase.inputReqRegion, testCase.inputConfRegion)
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if testCase.expectedResult != actualResult {
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t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
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}
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}
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}
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// TestExtractSignedHeaders - Tests validate extraction of signed headers using list of signed header keys.
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func TestExtractSignedHeaders(t *testing.T) {
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signedHeaders := []string{"host", "x-amz-content-sha256", "x-amz-date", "transfer-encoding"}
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// If the `expect` key exists in the signed headers then golang server would have stripped out the value, expecting the `expect` header set to `100-continue` in the result.
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signedHeaders = append(signedHeaders, "expect")
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// expected header values.
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expectedHost := "play.min.io:9000"
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expectedContentSha256 := "1234abcd"
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expectedTime := UTCNow().Format(iso8601Format)
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expectedTransferEncoding := "gzip"
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expectedExpect := "100-continue"
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r, err := http.NewRequest(http.MethodGet, "http://play.min.io:9000", nil)
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if err != nil {
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t.Fatal("Unable to create http.Request :", err)
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}
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r.TransferEncoding = []string{expectedTransferEncoding}
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// Creating input http header.
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inputHeader := r.Header
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inputHeader.Set("x-amz-content-sha256", expectedContentSha256)
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inputHeader.Set("x-amz-date", expectedTime)
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// calling the function being tested.
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extractedSignedHeaders, errCode := extractSignedHeaders(signedHeaders, r)
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if errCode != ErrNone {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
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}
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inputQuery := r.URL.Query()
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// case where some headers need to get from request query
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signedHeaders = append(signedHeaders, "x-amz-server-side-encryption")
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// expect to fail with `ErrUnsignedHeaders` because couldn't find some header
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_, errCode = extractSignedHeaders(signedHeaders, r)
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if errCode != ErrUnsignedHeaders {
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t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
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}
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// set headers value through Get parameter
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inputQuery.Add("x-amz-server-side-encryption", xhttp.AmzEncryptionAES)
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r.URL.RawQuery = inputQuery.Encode()
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r.ParseForm()
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_, errCode = extractSignedHeaders(signedHeaders, r)
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if errCode != ErrNone {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
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}
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// "x-amz-content-sha256" header value from the extracted result.
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extractedContentSha256 := extractedSignedHeaders.Get("x-amz-content-sha256")
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// "host" header value from the extracted result.
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extractedHost := extractedSignedHeaders.Get("host")
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// "x-amz-date" header from the extracted result.
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extractedDate := extractedSignedHeaders.Get("x-amz-date")
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// extracted `expect` header.
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extractedExpect := extractedSignedHeaders.Get("expect")
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extractedTransferEncoding := extractedSignedHeaders.Get("transfer-encoding")
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if expectedHost != extractedHost {
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t.Errorf("host header mismatch: expected `%s`, got `%s`", expectedHost, extractedHost)
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}
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// assert the result with the expected value.
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if expectedContentSha256 != extractedContentSha256 {
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t.Errorf("x-amz-content-sha256 header mismatch: expected `%s`, got `%s`", expectedContentSha256, extractedContentSha256)
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}
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if expectedTime != extractedDate {
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t.Errorf("x-amz-date header mismatch: expected `%s`, got `%s`", expectedTime, extractedDate)
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}
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if extractedTransferEncoding != expectedTransferEncoding {
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t.Errorf("transfer-encoding mismatch: expected %s, got %s", expectedTransferEncoding, extractedTransferEncoding)
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}
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// Since the list of signed headers value contained `expect`, the default value of `100-continue` will be added to extracted signed headers.
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if extractedExpect != expectedExpect {
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t.Errorf("expect header incorrect value: expected `%s`, got `%s`", expectedExpect, extractedExpect)
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}
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// case where the headers don't contain the one of the signed header in the signed headers list.
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signedHeaders = append(signedHeaders, "X-Amz-Credential")
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// expected to fail with `ErrUnsignedHeaders`.
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_, errCode = extractSignedHeaders(signedHeaders, r)
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if errCode != ErrUnsignedHeaders {
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t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
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}
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// case where the list of signed headers doesn't contain the host field.
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signedHeaders = signedHeaders[2:5]
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// expected to fail with `ErrUnsignedHeaders`.
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_, errCode = extractSignedHeaders(signedHeaders, r)
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if errCode != ErrUnsignedHeaders {
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t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
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}
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}
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// TestSignV4TrimAll - tests the logic of TrimAll() function
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func TestSignV4TrimAll(t *testing.T) {
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testCases := []struct {
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// Input.
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inputStr string
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// Expected result.
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result string
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}{
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{"本語", "本語"},
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{" abc ", "abc"},
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{" a b ", "a b"},
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{"a b ", "a b"},
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{"a b", "a b"},
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{"a b", "a b"},
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{" a b c ", "a b c"},
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{"a \t b c ", "a b c"},
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{"\"a \t b c ", "\"a b c"},
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{" \t\n\u000b\r\fa \t\n\u000b\r\f b \t\n\u000b\r\f c \t\n\u000b\r\f", "a b c"},
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}
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// Tests generated values from url encoded name.
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for i, testCase := range testCases {
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result := signV4TrimAll(testCase.inputStr)
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if testCase.result != result {
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t.Errorf("Test %d: Expected signV4TrimAll result to be \"%s\", but found it to be \"%s\" instead", i+1, testCase.result, result)
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}
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}
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}
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// Test getContentSha256Cksum
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func TestGetContentSha256Cksum(t *testing.T) {
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testCases := []struct {
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h string // header SHA256
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q string // query SHA256
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expected string // expected SHA256
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}{
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{"shastring", "", "shastring"},
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{emptySHA256, "", emptySHA256},
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{"", "", emptySHA256},
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{"", "X-Amz-Credential=random", unsignedPayload},
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{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=" + unsignedPayload, unsignedPayload},
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{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=shastring", "shastring"},
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}
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for i, testCase := range testCases {
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r, err := http.NewRequest(http.MethodGet, "http://localhost/?"+testCase.q, nil)
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if err != nil {
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t.Fatal(err)
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}
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if testCase.h != "" {
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r.Header.Set("x-amz-content-sha256", testCase.h)
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}
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r.ParseForm()
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got := getContentSha256Cksum(r, serviceS3)
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if got != testCase.expected {
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t.Errorf("Test %d: got:%s expected:%s", i+1, got, testCase.expected)
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}
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}
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}
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// Test TestCheckMetaHeaders tests the logic of checkMetaHeaders() function
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func TestCheckMetaHeaders(t *testing.T) {
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signedHeadersMap := map[string][]string{
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"X-Amz-Meta-Test": {"test"},
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"X-Amz-Meta-Extension": {"png"},
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"X-Amz-Meta-Name": {"imagepng"},
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}
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expectedMetaTest := "test"
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expectedMetaExtension := "png"
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expectedMetaName := "imagepng"
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r, err := http.NewRequest(http.MethodPut, "http://play.min.io:9000", nil)
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if err != nil {
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t.Fatal("Unable to create http.Request :", err)
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}
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// Creating input http header.
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inputHeader := r.Header
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inputHeader.Set("X-Amz-Meta-Test", expectedMetaTest)
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inputHeader.Set("X-Amz-Meta-Extension", expectedMetaExtension)
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inputHeader.Set("X-Amz-Meta-Name", expectedMetaName)
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// calling the function being tested.
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errCode := checkMetaHeaders(signedHeadersMap, r)
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if errCode != ErrNone {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
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}
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// Add new metadata in inputHeader
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inputHeader.Set("X-Amz-Meta-Clone", "fail")
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// calling the function being tested.
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errCode = checkMetaHeaders(signedHeadersMap, r)
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if errCode != ErrUnsignedHeaders {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrUnsignedHeaders, errCode)
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}
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// Delete extra metadata from header to don't affect other test
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inputHeader.Del("X-Amz-Meta-Clone")
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// calling the function being tested.
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errCode = checkMetaHeaders(signedHeadersMap, r)
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if errCode != ErrNone {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
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}
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// Creating input url values
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r, err = http.NewRequest(http.MethodPut, "http://play.min.io:9000?x-amz-meta-test=test&x-amz-meta-extension=png&x-amz-meta-name=imagepng", nil)
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if err != nil {
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t.Fatal("Unable to create http.Request :", err)
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}
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r.ParseForm()
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// calling the function being tested.
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errCode = checkMetaHeaders(signedHeadersMap, r)
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if errCode != ErrNone {
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t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
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}
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}
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