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package s3api
import (
"encoding/json"
"encoding/xml"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/iam"
"github.com/gorilla/mux"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
"github.com/stretchr/testify/assert"
"google.golang.org/protobuf/proto"
)
// EmbeddedIamApiForTest is a testable version of EmbeddedIamApi
type EmbeddedIamApiForTest struct {
*EmbeddedIamApi
mockConfig *iam_pb.S3ApiConfiguration
}
func NewEmbeddedIamApiForTest() *EmbeddedIamApiForTest {
e := &EmbeddedIamApiForTest{
EmbeddedIamApi: &EmbeddedIamApi{
iam: &IdentityAccessManagement{},
},
mockConfig: &iam_pb.S3ApiConfiguration{},
}
return e
}
// Override GetS3ApiConfiguration for testing
func (e *EmbeddedIamApiForTest) GetS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
// Use proto.Clone for proper deep copy semantics
if e.mockConfig != nil {
cloned := proto.Clone(e.mockConfig).(*iam_pb.S3ApiConfiguration)
proto.Merge(s3cfg, cloned)
}
return nil
}
// Override PutS3ApiConfiguration for testing
func (e *EmbeddedIamApiForTest) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
// Use proto.Clone for proper deep copy semantics
e.mockConfig = proto.Clone(s3cfg).(*iam_pb.S3ApiConfiguration)
return nil
}
// DoActions handles IAM API actions for testing
func (e *EmbeddedIamApiForTest) DoActions(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
http.Error(w, "Invalid request", http.StatusBadRequest)
return
}
values := r.PostForm
s3cfg := &iam_pb.S3ApiConfiguration{}
if err := e.GetS3ApiConfiguration(s3cfg); err != nil {
http.Error(w, "Internal error", http.StatusInternalServerError)
return
}
var response interface{}
var iamErr *iamError
changed := true
switch r.Form.Get("Action") {
case "ListUsers":
response = e.ListUsers(s3cfg, values)
changed = false
case "ListAccessKeys":
e.handleImplicitUsername(r, values)
response = e.ListAccessKeys(s3cfg, values)
changed = false
case "CreateUser":
response, iamErr = e.CreateUser(s3cfg, values)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
case "GetUser":
userName := values.Get("UserName")
response, iamErr = e.GetUser(s3cfg, userName)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
changed = false
case "UpdateUser":
response, iamErr = e.UpdateUser(s3cfg, values)
if iamErr != nil {
http.Error(w, "Invalid request", http.StatusBadRequest)
return
}
case "DeleteUser":
userName := values.Get("UserName")
response, iamErr = e.DeleteUser(s3cfg, userName)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
case "CreateAccessKey":
e.handleImplicitUsername(r, values)
response, iamErr = e.CreateAccessKey(s3cfg, values)
if iamErr != nil {
http.Error(w, "Internal error", http.StatusInternalServerError)
return
}
case "DeleteAccessKey":
e.handleImplicitUsername(r, values)
response = e.DeleteAccessKey(s3cfg, values)
case "CreatePolicy":
response, iamErr = e.CreatePolicy(s3cfg, values)
if iamErr != nil {
http.Error(w, "Invalid request", http.StatusBadRequest)
return
}
case "PutUserPolicy":
response, iamErr = e.PutUserPolicy(s3cfg, values)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
case "GetUserPolicy":
response, iamErr = e.GetUserPolicy(s3cfg, values)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
changed = false
case "DeleteUserPolicy":
response, iamErr = e.DeleteUserPolicy(s3cfg, values)
if iamErr != nil {
e.writeIamErrorResponse(w, r, iamErr)
return
}
default:
http.Error(w, "Not implemented", http.StatusNotImplemented)
return
}
if changed {
if err := e.PutS3ApiConfiguration(s3cfg); err != nil {
http.Error(w, "Internal error", http.StatusInternalServerError)
return
}
}
w.Header().Set("Content-Type", "application/xml")
w.WriteHeader(http.StatusOK)
xmlBytes, err := xml.Marshal(response)
if err != nil {
// This should not happen in tests, but log it for debugging
http.Error(w, "Internal error: failed to marshal response", http.StatusInternalServerError)
return
}
_, _ = w.Write(xmlBytes)
}
// executeEmbeddedIamRequest executes an IAM request against the given API instance.
// If v is non-nil, the response body is unmarshalled into it.
func executeEmbeddedIamRequest(api *EmbeddedIamApiForTest, req *http.Request, v interface{}) (*httptest.ResponseRecorder, error) {
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
if v != nil {
if err := xml.Unmarshal(rr.Body.Bytes(), v); err != nil {
return rr, err
}
}
return rr, nil
}
// embeddedIamErrorResponseForTest is used for parsing IAM error responses in tests
type embeddedIamErrorResponseForTest struct {
Error struct {
Code string `xml:"Code"`
Message string `xml:"Message"`
} `xml:"Error"`
}
func extractEmbeddedIamErrorCodeAndMessage(response *httptest.ResponseRecorder) (string, string) {
var er embeddedIamErrorResponseForTest
if err := xml.Unmarshal(response.Body.Bytes(), &er); err != nil {
return "", ""
}
return er.Error.Code, er.Error.Message
}
// TestEmbeddedIamCreateUser tests creating a user via the embedded IAM API
func TestEmbeddedIamCreateUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
userName := aws.String("TestUser")
params := &iam.CreateUserInput{UserName: userName}
req, _ := iam.New(session.New()).CreateUserRequest(params)
_ = req.Build()
out := iamCreateUserResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify response contains correct username
assert.NotNil(t, out.CreateUserResult.User.UserName)
assert.Equal(t, "TestUser", *out.CreateUserResult.User.UserName)
// Verify user was persisted in config
assert.Len(t, api.mockConfig.Identities, 1)
assert.Equal(t, "TestUser", api.mockConfig.Identities[0].Name)
}
// TestEmbeddedIamListUsers tests listing users via the embedded IAM API
func TestEmbeddedIamListUsers(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "User1"},
{Name: "User2"},
},
}
params := &iam.ListUsersInput{}
req, _ := iam.New(session.New()).ListUsersRequest(params)
_ = req.Build()
out := iamListUsersResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify response contains the users
assert.Len(t, out.ListUsersResult.Users, 2)
}
// TestEmbeddedIamListAccessKeys tests listing access keys via the embedded IAM API
func TestEmbeddedIamListAccessKeys(t *testing.T) {
api := NewEmbeddedIamApiForTest()
svc := iam.New(session.New())
params := &iam.ListAccessKeysInput{}
req, _ := svc.ListAccessKeysRequest(params)
_ = req.Build()
out := iamListAccessKeysResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// TestEmbeddedIamGetUser tests getting a user via the embedded IAM API
func TestEmbeddedIamGetUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "TestUser"},
},
}
userName := aws.String("TestUser")
params := &iam.GetUserInput{UserName: userName}
req, _ := iam.New(session.New()).GetUserRequest(params)
_ = req.Build()
out := iamGetUserResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify response contains correct username
assert.NotNil(t, out.GetUserResult.User.UserName)
assert.Equal(t, "TestUser", *out.GetUserResult.User.UserName)
}
// TestEmbeddedIamCreatePolicy tests creating a policy via the embedded IAM API
func TestEmbeddedIamCreatePolicy(t *testing.T) {
api := NewEmbeddedIamApiForTest()
params := &iam.CreatePolicyInput{
PolicyName: aws.String("S3-read-only-example-bucket"),
PolicyDocument: aws.String(`
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:Get*",
"s3:List*"
],
"Resource": [
"arn:aws:s3:::EXAMPLE-BUCKET",
"arn:aws:s3:::EXAMPLE-BUCKET/*"
]
}
]
}`),
}
req, _ := iam.New(session.New()).CreatePolicyRequest(params)
_ = req.Build()
out := iamCreatePolicyResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify response contains policy metadata
assert.NotNil(t, out.CreatePolicyResult.Policy.PolicyName)
assert.Equal(t, "S3-read-only-example-bucket", *out.CreatePolicyResult.Policy.PolicyName)
assert.NotNil(t, out.CreatePolicyResult.Policy.Arn)
assert.NotNil(t, out.CreatePolicyResult.Policy.PolicyId)
}
// TestEmbeddedIamPutUserPolicy tests attaching a policy to a user
func TestEmbeddedIamPutUserPolicy(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "TestUser"},
},
}
userName := aws.String("TestUser")
params := &iam.PutUserPolicyInput{
UserName: userName,
PolicyName: aws.String("S3-read-only-example-bucket"),
PolicyDocument: aws.String(
`{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:Get*",
"s3:List*"
],
"Resource": [
"arn:aws:s3:::EXAMPLE-BUCKET",
"arn:aws:s3:::EXAMPLE-BUCKET/*"
]
}
]
}`),
}
req, _ := iam.New(session.New()).PutUserPolicyRequest(params)
_ = req.Build()
out := iamPutUserPolicyResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify policy was attached to the user (actions should be set)
assert.Len(t, api.mockConfig.Identities, 1)
assert.NotEmpty(t, api.mockConfig.Identities[0].Actions)
}
// TestEmbeddedIamPutUserPolicyError tests error handling when user doesn't exist
func TestEmbeddedIamPutUserPolicyError(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
userName := aws.String("InvalidUser")
params := &iam.PutUserPolicyInput{
UserName: userName,
PolicyName: aws.String("S3-read-only-example-bucket"),
PolicyDocument: aws.String(
`{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:Get*",
"s3:List*"
],
"Resource": [
"arn:aws:s3:::EXAMPLE-BUCKET",
"arn:aws:s3:::EXAMPLE-BUCKET/*"
]
}
]
}`),
}
req, _ := iam.New(session.New()).PutUserPolicyRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusNotFound, response.Code)
expectedCode := "NoSuchEntity"
code, _ := extractEmbeddedIamErrorCodeAndMessage(response)
assert.Equal(t, expectedCode, code)
}
// TestEmbeddedIamGetUserPolicy tests getting a user's policy
func TestEmbeddedIamGetUserPolicy(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "TestUser",
Actions: []string{"Read", "List"},
},
},
}
userName := aws.String("TestUser")
params := &iam.GetUserPolicyInput{
UserName: userName,
PolicyName: aws.String("S3-read-only-example-bucket"),
}
req, _ := iam.New(session.New()).GetUserPolicyRequest(params)
_ = req.Build()
out := iamGetUserPolicyResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// TestEmbeddedIamDeleteUserPolicy tests deleting a user's policy (clears actions)
func TestEmbeddedIamDeleteUserPolicy(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "TestUser",
Actions: []string{"Read", "Write", "List"},
Credentials: []*iam_pb.Credential{
{AccessKey: "AKIATEST12345", SecretKey: "secret"},
},
},
},
}
// Use direct form post for DeleteUserPolicy
form := url.Values{}
form.Set("Action", "DeleteUserPolicy")
form.Set("UserName", "TestUser")
form.Set("PolicyName", "TestPolicy")
req, _ := http.NewRequest("POST", "/", nil)
req.PostForm = form
req.Form = form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
assert.Equal(t, http.StatusOK, rr.Code)
// CRITICAL: Verify user still exists (was NOT deleted)
assert.Len(t, api.mockConfig.Identities, 1, "User should NOT be deleted")
assert.Equal(t, "TestUser", api.mockConfig.Identities[0].Name)
// Verify credentials are still intact
assert.Len(t, api.mockConfig.Identities[0].Credentials, 1, "Credentials should NOT be deleted")
assert.Equal(t, "AKIATEST12345", api.mockConfig.Identities[0].Credentials[0].AccessKey)
// Verify actions/policy was cleared
assert.Nil(t, api.mockConfig.Identities[0].Actions, "Actions should be cleared")
}
// TestEmbeddedIamDeleteUserPolicyUserNotFound tests error when user doesn't exist
func TestEmbeddedIamDeleteUserPolicyUserNotFound(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
form := url.Values{}
form.Set("Action", "DeleteUserPolicy")
form.Set("UserName", "NonExistentUser")
form.Set("PolicyName", "TestPolicy")
req, _ := http.NewRequest("POST", "/", nil)
req.PostForm = form
req.Form = form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
assert.Equal(t, http.StatusNotFound, rr.Code)
}
// TestEmbeddedIamUpdateUser tests updating a user
func TestEmbeddedIamUpdateUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "TestUser"},
},
}
userName := aws.String("TestUser")
newUserName := aws.String("TestUser-New")
params := &iam.UpdateUserInput{NewUserName: newUserName, UserName: userName}
req, _ := iam.New(session.New()).UpdateUserRequest(params)
_ = req.Build()
out := iamUpdateUserResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// TestEmbeddedIamDeleteUser tests deleting a user
func TestEmbeddedIamDeleteUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "TestUser-New"},
},
}
userName := aws.String("TestUser-New")
params := &iam.DeleteUserInput{UserName: userName}
req, _ := iam.New(session.New()).DeleteUserRequest(params)
_ = req.Build()
out := iamDeleteUserResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// TestEmbeddedIamCreateAccessKey tests creating an access key
func TestEmbeddedIamCreateAccessKey(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "TestUser"},
},
}
userName := aws.String("TestUser")
params := &iam.CreateAccessKeyInput{UserName: userName}
req, _ := iam.New(session.New()).CreateAccessKeyRequest(params)
_ = req.Build()
out := iamCreateAccessKeyResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify response contains access key credentials
assert.NotNil(t, out.CreateAccessKeyResult.AccessKey.AccessKeyId)
assert.NotEmpty(t, *out.CreateAccessKeyResult.AccessKey.AccessKeyId)
assert.NotNil(t, out.CreateAccessKeyResult.AccessKey.SecretAccessKey)
assert.NotEmpty(t, *out.CreateAccessKeyResult.AccessKey.SecretAccessKey)
assert.NotNil(t, out.CreateAccessKeyResult.AccessKey.UserName)
assert.Equal(t, "TestUser", *out.CreateAccessKeyResult.AccessKey.UserName)
// Verify credentials were persisted
assert.Len(t, api.mockConfig.Identities[0].Credentials, 1)
}
// TestEmbeddedIamDeleteAccessKey tests deleting an access key via direct form post
func TestEmbeddedIamDeleteAccessKey(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "TestUser",
Credentials: []*iam_pb.Credential{
{AccessKey: "AKIATEST12345", SecretKey: "secret"},
},
},
},
}
// Use direct form post since AWS SDK may format differently
form := url.Values{}
form.Set("Action", "DeleteAccessKey")
form.Set("UserName", "TestUser")
form.Set("AccessKeyId", "AKIATEST12345")
req, _ := http.NewRequest("POST", "/", nil)
req.PostForm = form
req.Form = form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
assert.Equal(t, http.StatusOK, rr.Code)
// Verify the access key was deleted
assert.Len(t, api.mockConfig.Identities[0].Credentials, 0)
}
// TestEmbeddedIamHandleImplicitUsername tests implicit username extraction from authorization header
func TestEmbeddedIamHandleImplicitUsername(t *testing.T) {
// Create IAM with test credentials - the handleImplicitUsername function now looks
// up the username from the credential store based on AccessKeyId
// Note: Using obviously fake access keys to avoid secret scanner false positives
iam := &IdentityAccessManagement{}
testConfig := &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "testuser1",
Credentials: []*iam_pb.Credential{
{AccessKey: "AKIATESTFAKEKEY000001", SecretKey: "testsecretfake"},
},
},
},
}
err := iam.LoadS3ApiConfigurationFromBytes(mustMarshalJSON(testConfig))
if err != nil {
t.Fatalf("Failed to load test config: %v", err)
}
embeddedApi := &EmbeddedIamApi{
iam: iam,
}
var tests = []struct {
r *http.Request
values url.Values
userName string
}{
// No authorization header - should not set username
{&http.Request{}, url.Values{}, ""},
// Valid auth header with known access key - should look up and find "testuser1"
{&http.Request{Header: http.Header{"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIATESTFAKEKEY000001/20220420/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=fakesignature0123456789abcdef"}}}, url.Values{}, "testuser1"},
// Malformed auth header (no Credential=) - should not set username
{&http.Request{Header: http.Header{"Authorization": []string{"AWS4-HMAC-SHA256 =AKIATESTFAKEKEY000001/20220420/test1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=fakesignature0123456789abcdef"}}}, url.Values{}, ""},
// Unknown access key - should not set username
{&http.Request{Header: http.Header{"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIATESTUNKNOWN000000/20220420/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=fakesignature0123456789abcdef"}}}, url.Values{}, ""},
}
for i, test := range tests {
embeddedApi.handleImplicitUsername(test.r, test.values)
if un := test.values.Get("UserName"); un != test.userName {
t.Errorf("No.%d: Got: %v, Expected: %v", i, un, test.userName)
}
}
}
func mustMarshalJSON(v interface{}) []byte {
data, err := json.Marshal(v)
if err != nil {
panic(err)
}
return data
}
// TestEmbeddedIamFullWorkflow tests a complete user lifecycle
func TestEmbeddedIamFullWorkflow(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
// 1. Create user
t.Run("CreateUser", func(t *testing.T) {
userName := aws.String("WorkflowUser")
params := &iam.CreateUserInput{UserName: userName}
req, _ := iam.New(session.New()).CreateUserRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
})
// 2. Create access key for user
t.Run("CreateAccessKey", func(t *testing.T) {
userName := aws.String("WorkflowUser")
params := &iam.CreateAccessKeyInput{UserName: userName}
req, _ := iam.New(session.New()).CreateAccessKeyRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
})
// 3. Attach policy to user
t.Run("PutUserPolicy", func(t *testing.T) {
params := &iam.PutUserPolicyInput{
UserName: aws.String("WorkflowUser"),
PolicyName: aws.String("ReadWritePolicy"),
PolicyDocument: aws.String(`{
"Version": "2012-10-17",
"Statement": [{
"Effect": "Allow",
"Action": ["s3:Get*", "s3:Put*"],
"Resource": ["arn:aws:s3:::*"]
}]
}`),
}
req, _ := iam.New(session.New()).PutUserPolicyRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
})
// 4. List users to verify
t.Run("ListUsers", func(t *testing.T) {
params := &iam.ListUsersInput{}
req, _ := iam.New(session.New()).ListUsersRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
})
// 5. Delete user
t.Run("DeleteUser", func(t *testing.T) {
params := &iam.DeleteUserInput{UserName: aws.String("WorkflowUser")}
req, _ := iam.New(session.New()).DeleteUserRequest(params)
_ = req.Build()
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
})
}
// TestIamStringSlicesEqual tests the iamStringSlicesEqual helper function
func TestIamStringSlicesEqual(t *testing.T) {
tests := []struct {
name string
a []string
b []string
expected bool
}{
{"both empty", []string{}, []string{}, true},
{"both nil", nil, nil, true},
{"same elements same order", []string{"a", "b", "c"}, []string{"a", "b", "c"}, true},
{"same elements different order", []string{"c", "a", "b"}, []string{"a", "b", "c"}, true},
{"different lengths", []string{"a", "b"}, []string{"a", "b", "c"}, false},
{"different elements", []string{"a", "b", "c"}, []string{"a", "b", "d"}, false},
{"one empty one not", []string{}, []string{"a"}, false},
{"duplicates same", []string{"a", "a", "b"}, []string{"a", "b", "a"}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := iamStringSlicesEqual(tt.a, tt.b)
assert.Equal(t, tt.expected, result)
})
}
}
// TestIamHash tests the iamHash function
func TestIamHash(t *testing.T) {
input := "test-policy-document"
hash := iamHash(&input)
// Hash should be non-empty
assert.NotEmpty(t, hash)
// Same input should produce same hash
hash2 := iamHash(&input)
assert.Equal(t, hash, hash2)
// Different input should produce different hash
input2 := "different-policy"
hash3 := iamHash(&input2)
assert.NotEqual(t, hash, hash3)
}
// TestIamStringWithCharset tests the cryptographically secure random string generator
func TestIamStringWithCharset(t *testing.T) {
charset := "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
length := 20
str, err := iamStringWithCharset(length, charset)
assert.NoError(t, err)
assert.Len(t, str, length)
// All characters should be from the charset
for _, c := range str {
assert.Contains(t, charset, string(c))
}
// Two calls should produce different strings (with very high probability)
str2, err := iamStringWithCharset(length, charset)
assert.NoError(t, err)
assert.NotEqual(t, str, str2)
}
// TestIamMapToStatementAction tests action mapping
func TestIamMapToStatementAction(t *testing.T) {
// iamMapToStatementAction maps IAM statement action patterns to internal action names
tests := []struct {
input string
expected string
}{
{"*", "Admin"},
{"Get*", "Read"},
{"Put*", "Write"},
{"List*", "List"},
{"Tagging*", "Tagging"},
{"DeleteBucket*", "DeleteBucket"},
{"PutBucketAcl", "WriteAcp"},
{"GetBucketAcl", "ReadAcp"},
{"InvalidAction", ""},
}
for _, tt := range tests {
t.Run(tt.input, func(t *testing.T) {
result := iamMapToStatementAction(tt.input)
assert.Equal(t, tt.expected, result)
})
}
}
// TestIamMapToIdentitiesAction tests reverse action mapping
func TestIamMapToIdentitiesAction(t *testing.T) {
// iamMapToIdentitiesAction maps internal action names to IAM statement action patterns
tests := []struct {
input string
expected string
}{
{"Admin", "*"},
{"Read", "Get*"},
{"Write", "Put*"},
{"List", "List*"},
{"Tagging", "Tagging*"},
{"Unknown", ""},
}
for _, tt := range tests {
t.Run(tt.input, func(t *testing.T) {
result := iamMapToIdentitiesAction(tt.input)
assert.Equal(t, tt.expected, result)
})
}
}
// TestEmbeddedIamGetUserNotFound tests GetUser with non-existent user
func TestEmbeddedIamGetUserNotFound(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "ExistingUser"},
},
}
userName := aws.String("NonExistentUser")
params := &iam.GetUserInput{UserName: userName}
req, _ := iam.New(session.New()).GetUserRequest(params)
_ = req.Build()
response, _ := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.Equal(t, http.StatusNotFound, response.Code)
}
// TestEmbeddedIamDeleteUserNotFound tests DeleteUser with non-existent user
func TestEmbeddedIamDeleteUserNotFound(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
userName := aws.String("NonExistentUser")
params := &iam.DeleteUserInput{UserName: userName}
req, _ := iam.New(session.New()).DeleteUserRequest(params)
_ = req.Build()
response, _ := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.Equal(t, http.StatusNotFound, response.Code)
}
// TestEmbeddedIamUpdateUserNotFound tests UpdateUser with non-existent user
func TestEmbeddedIamUpdateUserNotFound(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
params := &iam.UpdateUserInput{
UserName: aws.String("NonExistentUser"),
NewUserName: aws.String("NewName"),
}
req, _ := iam.New(session.New()).UpdateUserRequest(params)
_ = req.Build()
response, _ := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.Equal(t, http.StatusBadRequest, response.Code)
}
// TestEmbeddedIamCreateAccessKeyForExistingUser tests CreateAccessKey creates credentials for existing user
func TestEmbeddedIamCreateAccessKeyForExistingUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{Name: "ExistingUser"},
},
}
// Use direct form post
form := url.Values{}
form.Set("Action", "CreateAccessKey")
form.Set("UserName", "ExistingUser")
req, _ := http.NewRequest("POST", "/", nil)
req.PostForm = form
req.Form = form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
assert.Equal(t, http.StatusOK, rr.Code)
// Verify credentials were created
assert.Len(t, api.mockConfig.Identities[0].Credentials, 1)
}
// TestEmbeddedIamGetUserPolicyUserNotFound tests GetUserPolicy with non-existent user
func TestEmbeddedIamGetUserPolicyUserNotFound(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{}
params := &iam.GetUserPolicyInput{
UserName: aws.String("NonExistentUser"),
PolicyName: aws.String("TestPolicy"),
}
req, _ := iam.New(session.New()).GetUserPolicyRequest(params)
_ = req.Build()
response, _ := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.Equal(t, http.StatusNotFound, response.Code)
}
// TestEmbeddedIamCreatePolicyMalformed tests CreatePolicy with invalid policy document
func TestEmbeddedIamCreatePolicyMalformed(t *testing.T) {
api := NewEmbeddedIamApiForTest()
params := &iam.CreatePolicyInput{
PolicyName: aws.String("TestPolicy"),
PolicyDocument: aws.String("invalid json"),
}
req, _ := iam.New(session.New()).CreatePolicyRequest(params)
_ = req.Build()
response, _ := executeEmbeddedIamRequest(api, req.HTTPRequest, nil)
assert.Equal(t, http.StatusBadRequest, response.Code)
}
// TestEmbeddedIamListAccessKeysForUser tests listing access keys for a specific user
func TestEmbeddedIamListAccessKeysForUser(t *testing.T) {
api := NewEmbeddedIamApiForTest()
api.mockConfig = &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "TestUser",
Credentials: []*iam_pb.Credential{
{AccessKey: "AKIATEST1", SecretKey: "secret1"},
{AccessKey: "AKIATEST2", SecretKey: "secret2"},
},
},
},
}
params := &iam.ListAccessKeysInput{UserName: aws.String("TestUser")}
req, _ := iam.New(session.New()).ListAccessKeysRequest(params)
_ = req.Build()
out := iamListAccessKeysResponse{}
response, err := executeEmbeddedIamRequest(api, req.HTTPRequest, &out)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, response.Code)
// Verify both access keys are listed
assert.Len(t, out.ListAccessKeysResult.AccessKeyMetadata, 2)
}
// TestEmbeddedIamNotImplementedAction tests handling of unimplemented actions
func TestEmbeddedIamNotImplementedAction(t *testing.T) {
api := NewEmbeddedIamApiForTest()
form := url.Values{}
form.Set("Action", "SomeUnknownAction")
req, _ := http.NewRequest("POST", "/", nil)
req.PostForm = form
req.Form = form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(api.DoActions)
apiRouter.ServeHTTP(rr, req)
assert.Equal(t, http.StatusNotImplemented, rr.Code)
}
// TestGetPolicyDocument tests parsing of policy documents
func TestGetPolicyDocument(t *testing.T) {
api := NewEmbeddedIamApiForTest()
validPolicy := `{
"Version": "2012-10-17",
"Statement": [{
"Effect": "Allow",
"Action": ["s3:GetObject"],
"Resource": ["arn:aws:s3:::bucket/*"]
}]
}`
doc, err := api.GetPolicyDocument(&validPolicy)
assert.NoError(t, err)
assert.Equal(t, "2012-10-17", doc.Version)
assert.Len(t, doc.Statement, 1)
// Test invalid JSON
invalidPolicy := "not valid json"
_, err = api.GetPolicyDocument(&invalidPolicy)
assert.Error(t, err)
}
// TestEmbeddedIamGetActionsFromPolicy tests action extraction from policy documents
func TestEmbeddedIamGetActionsFromPolicy(t *testing.T) {
api := NewEmbeddedIamApiForTest()
// Actions must use wildcards (Get*, Put*, List*, etc.) as expected by the mapper
policyDoc := `{
"Version": "2012-10-17",
"Statement": [{
"Effect": "Allow",
"Action": ["s3:Get*", "s3:Put*"],
"Resource": ["arn:aws:s3:::mybucket/*"]
}]
}`
policy, err := api.GetPolicyDocument(&policyDoc)
assert.NoError(t, err)
actions, err := api.getActions(&policy)
assert.NoError(t, err)
assert.NotEmpty(t, actions)
// Should have Read and Write actions for the bucket
// arn:aws:s3:::mybucket/* means all objects in mybucket, represented as "Action:mybucket"
assert.Contains(t, actions, "Read:mybucket")
assert.Contains(t, actions, "Write:mybucket")
}