325 lines
11 KiB
Go
325 lines
11 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
expirationDateFormat = "2006-01-02T15:04:05.999Z"
|
|
iso8601DateFormat = "20060102T150405Z"
|
|
)
|
|
|
|
// newPostPolicyBytesV4 - creates a bare bones postpolicy string with key and bucket matches.
|
|
func newPostPolicyBytesV4(credential, bucketName, objectKey string, expiration time.Time) []byte {
|
|
t := time.Now().UTC()
|
|
// Add the expiration date.
|
|
expirationStr := fmt.Sprintf(`"expiration": "%s"`, expiration.Format(expirationDateFormat))
|
|
// Add the bucket condition, only accept buckets equal to the one passed.
|
|
bucketConditionStr := fmt.Sprintf(`["eq", "$bucket", "%s"]`, bucketName)
|
|
// Add the key condition, only accept keys equal to the one passed.
|
|
keyConditionStr := fmt.Sprintf(`["eq", "$key", "%s"]`, objectKey)
|
|
// Add the algorithm condition, only accept AWS SignV4 Sha256.
|
|
algorithmConditionStr := `["eq", "$x-amz-algorithm", "AWS4-HMAC-SHA256"]`
|
|
// Add the date condition, only accept the current date.
|
|
dateConditionStr := fmt.Sprintf(`["eq", "$x-amz-date", "%s"]`, t.Format(iso8601DateFormat))
|
|
// Add the credential string, only accept the credential passed.
|
|
credentialConditionStr := fmt.Sprintf(`["eq", "$x-amz-credential", "%s"]`, credential)
|
|
|
|
// Combine all conditions into one string.
|
|
conditionStr := fmt.Sprintf(`"conditions":[%s, %s, %s, %s, %s]`, bucketConditionStr, keyConditionStr, algorithmConditionStr, dateConditionStr, credentialConditionStr)
|
|
retStr := "{"
|
|
retStr = retStr + expirationStr + ","
|
|
retStr = retStr + conditionStr
|
|
retStr = retStr + "}"
|
|
|
|
return []byte(retStr)
|
|
}
|
|
|
|
// newPostPolicyBytesV2 - creates a bare bones postpolicy string with key and bucket matches.
|
|
func newPostPolicyBytesV2(bucketName, objectKey string, expiration time.Time) []byte {
|
|
// Add the expiration date.
|
|
expirationStr := fmt.Sprintf(`"expiration": "%s"`, expiration.Format(expirationDateFormat))
|
|
// Add the bucket condition, only accept buckets equal to the one passed.
|
|
bucketConditionStr := fmt.Sprintf(`["eq", "$bucket", "%s"]`, bucketName)
|
|
// Add the key condition, only accept keys equal to the one passed.
|
|
keyConditionStr := fmt.Sprintf(`["eq", "$key", "%s"]`, objectKey)
|
|
|
|
// Combine all conditions into one string.
|
|
conditionStr := fmt.Sprintf(`"conditions":[%s, %s]`, bucketConditionStr, keyConditionStr)
|
|
retStr := "{"
|
|
retStr = retStr + expirationStr + ","
|
|
retStr = retStr + conditionStr
|
|
retStr = retStr + "}"
|
|
|
|
return []byte(retStr)
|
|
}
|
|
|
|
// Wrapper for calling TestPostPolicyHandlerHandler tests for both XL multiple disks and single node setup.
|
|
func TestPostPolicyHandler(t *testing.T) {
|
|
ExecObjectLayerTest(t, testPostPolicyHandler)
|
|
}
|
|
|
|
// testPostPolicyHandler - Tests validate post policy handler uploading objects.
|
|
func testPostPolicyHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
|
|
root, err := newTestConfig("us-east-1")
|
|
if err != nil {
|
|
t.Fatalf("Initializing config.json failed")
|
|
}
|
|
defer removeAll(root)
|
|
|
|
// Register event notifier.
|
|
err = initEventNotifier(obj)
|
|
if err != nil {
|
|
t.Fatalf("Initializing event notifiers failed")
|
|
}
|
|
|
|
// get random bucket name.
|
|
bucketName := getRandomBucketName()
|
|
|
|
// Register the API end points with XL/FS object layer.
|
|
apiRouter := initTestAPIEndPoints(obj, []string{"PostPolicy"})
|
|
|
|
// initialize the server and obtain the credentials and root.
|
|
// credentials are necessary to sign the HTTP request.
|
|
rootPath, err := newTestConfig("us-east-1")
|
|
if err != nil {
|
|
t.Fatalf("Init Test config failed")
|
|
}
|
|
// remove the root folder after the test ends.
|
|
defer removeAll(rootPath)
|
|
|
|
credentials := serverConfig.GetCredential()
|
|
|
|
// bucketnames[0].
|
|
// objectNames[0].
|
|
// uploadIds [0].
|
|
// Create bucket before initiating NewMultipartUpload.
|
|
err = obj.MakeBucket(bucketName)
|
|
if err != nil {
|
|
// Failed to create newbucket, abort.
|
|
t.Fatalf("%s : %s", instanceType, err.Error())
|
|
}
|
|
|
|
// Test cases for signature-V2.
|
|
testCasesV2 := []struct {
|
|
expectedStatus int
|
|
accessKey string
|
|
secretKey string
|
|
}{
|
|
{http.StatusForbidden, "invalidaccesskey", credentials.SecretAccessKey},
|
|
{http.StatusForbidden, credentials.AccessKeyID, "invalidsecretkey"},
|
|
{http.StatusNoContent, credentials.AccessKeyID, credentials.SecretAccessKey},
|
|
}
|
|
|
|
for i, test := range testCasesV2 {
|
|
// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
|
|
rec := httptest.NewRecorder()
|
|
req, perr := newPostRequestV2("", bucketName, "testobject", test.accessKey, test.secretKey)
|
|
if perr != nil {
|
|
t.Fatalf("Test %d: %s: Failed to create HTTP request for PostPolicyHandler: <ERROR> %v", i+1, instanceType, perr)
|
|
}
|
|
// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
|
|
// Call the ServeHTTP to execute the handler.
|
|
apiRouter.ServeHTTP(rec, req)
|
|
if rec.Code != test.expectedStatus {
|
|
t.Fatalf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, test.expectedStatus, rec.Code)
|
|
}
|
|
}
|
|
|
|
// Test cases for signature-V4.
|
|
testCasesV4 := []struct {
|
|
objectName string
|
|
data []byte
|
|
expectedRespStatus int
|
|
accessKey string
|
|
secretKey string
|
|
malformedBody bool
|
|
}{
|
|
// Success case.
|
|
{
|
|
objectName: "test",
|
|
data: []byte("Hello, World"),
|
|
expectedRespStatus: http.StatusNoContent,
|
|
accessKey: credentials.AccessKeyID,
|
|
secretKey: credentials.SecretAccessKey,
|
|
malformedBody: false,
|
|
},
|
|
// Bad case invalid request.
|
|
{
|
|
objectName: "test",
|
|
data: []byte("Hello, World"),
|
|
expectedRespStatus: http.StatusBadRequest,
|
|
accessKey: "",
|
|
secretKey: "",
|
|
malformedBody: false,
|
|
},
|
|
// Bad case malformed input.
|
|
{
|
|
objectName: "test",
|
|
data: []byte("Hello, World"),
|
|
expectedRespStatus: http.StatusBadRequest,
|
|
accessKey: credentials.AccessKeyID,
|
|
secretKey: credentials.SecretAccessKey,
|
|
malformedBody: true,
|
|
},
|
|
}
|
|
|
|
for i, testCase := range testCasesV4 {
|
|
// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
|
|
rec := httptest.NewRecorder()
|
|
req, perr := newPostRequestV4("", bucketName, testCase.objectName, testCase.data, testCase.accessKey, testCase.secretKey)
|
|
if perr != nil {
|
|
t.Fatalf("Test %d: %s: Failed to create HTTP request for PostPolicyHandler: <ERROR> %v", i+1, instanceType, perr)
|
|
}
|
|
if testCase.malformedBody {
|
|
// Change the request body.
|
|
req.Body = ioutil.NopCloser(bytes.NewReader([]byte("Hello,")))
|
|
}
|
|
// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic ofthe handler.
|
|
// Call the ServeHTTP to execute the handler.
|
|
apiRouter.ServeHTTP(rec, req)
|
|
if rec.Code != testCase.expectedRespStatus {
|
|
t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, rec.Code)
|
|
}
|
|
}
|
|
}
|
|
|
|
// postPresignSignatureV4 - presigned signature for PostPolicy requests.
|
|
func postPresignSignatureV4(policyBase64 string, t time.Time, secretAccessKey, location string) string {
|
|
// Get signining key.
|
|
signingkey := getSigningKey(secretAccessKey, t, location)
|
|
// Calculate signature.
|
|
signature := getSignature(signingkey, policyBase64)
|
|
return signature
|
|
}
|
|
|
|
func newPostRequestV2(endPoint, bucketName, objectName string, accessKey, secretKey string) (*http.Request, error) {
|
|
// Expire the request five minutes from now.
|
|
expirationTime := time.Now().UTC().Add(time.Minute * 5)
|
|
// Create a new post policy.
|
|
policy := newPostPolicyBytesV2(bucketName, objectName, expirationTime)
|
|
// Only need the encoding.
|
|
encodedPolicy := base64.StdEncoding.EncodeToString(policy)
|
|
|
|
// Presign with V4 signature based on the policy.
|
|
signature := calculateSignatureV2(encodedPolicy, secretKey)
|
|
|
|
formData := map[string]string{
|
|
"AWSAccessKeyId": accessKey,
|
|
"bucket": bucketName,
|
|
"key": objectName,
|
|
"policy": encodedPolicy,
|
|
"signature": signature,
|
|
}
|
|
|
|
// Create the multipart form.
|
|
var buf bytes.Buffer
|
|
w := multipart.NewWriter(&buf)
|
|
|
|
// Set the normal formData
|
|
for k, v := range formData {
|
|
w.WriteField(k, v)
|
|
}
|
|
// Set the File formData
|
|
writer, err := w.CreateFormFile("file", "s3verify/post/object")
|
|
if err != nil {
|
|
// return nil, err
|
|
return nil, err
|
|
}
|
|
writer.Write([]byte("hello world"))
|
|
// Close before creating the new request.
|
|
w.Close()
|
|
|
|
// Set the body equal to the created policy.
|
|
reader := bytes.NewReader(buf.Bytes())
|
|
|
|
req, err := http.NewRequest("POST", makeTestTargetURL(endPoint, bucketName, objectName, nil), reader)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Set form content-type.
|
|
req.Header.Set("Content-Type", w.FormDataContentType())
|
|
return req, nil
|
|
}
|
|
|
|
func newPostRequestV4(endPoint, bucketName, objectName string, objData []byte, accessKey, secretKey string) (*http.Request, error) {
|
|
// Keep time.
|
|
t := time.Now().UTC()
|
|
// Expire the request five minutes from now.
|
|
expirationTime := t.Add(time.Minute * 5)
|
|
// Get the user credential.
|
|
credStr := getCredential(accessKey, serverConfig.GetRegion(), t)
|
|
// Create a new post policy.
|
|
policy := newPostPolicyBytesV4(credStr, bucketName, objectName, expirationTime)
|
|
// Only need the encoding.
|
|
encodedPolicy := base64.StdEncoding.EncodeToString(policy)
|
|
|
|
// Presign with V4 signature based on the policy.
|
|
signature := postPresignSignatureV4(encodedPolicy, t, secretKey, serverConfig.GetRegion())
|
|
|
|
formData := map[string]string{
|
|
"bucket": bucketName,
|
|
"key": objectName,
|
|
"x-amz-credential": credStr,
|
|
"policy": encodedPolicy,
|
|
"x-amz-signature": signature,
|
|
"x-amz-date": t.Format(iso8601DateFormat),
|
|
"x-amz-algorithm": "AWS4-HMAC-SHA256",
|
|
}
|
|
|
|
// Create the multipart form.
|
|
var buf bytes.Buffer
|
|
w := multipart.NewWriter(&buf)
|
|
|
|
// Set the normal formData
|
|
for k, v := range formData {
|
|
w.WriteField(k, v)
|
|
}
|
|
// Set the File formData
|
|
writer, err := w.CreateFormFile("file", "s3verify/post/object")
|
|
if err != nil {
|
|
// return nil, err
|
|
return nil, err
|
|
}
|
|
writer.Write(objData)
|
|
// Close before creating the new request.
|
|
w.Close()
|
|
|
|
// Set the body equal to the created policy.
|
|
reader := bytes.NewReader(buf.Bytes())
|
|
|
|
req, err := http.NewRequest("POST", makeTestTargetURL(endPoint, bucketName, objectName, nil), reader)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Set form content-type.
|
|
req.Header.Set("Content-Type", w.FormDataContentType())
|
|
return req, nil
|
|
}
|