Files
seaweedfs/weed/iamapi/iamapi_test.go
T
Chris LuandDevin 85c706e015 iam: refuse DeleteUser while access keys remain
Deleting a user with live credentials orphaned its access keys; AWS
answers DeleteConflict until they are removed first.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-10-06 09:25:32 -07:00

683 lines
25 KiB
Go

package iamapi
import (
"context"
"encoding/json"
"encoding/xml"
"net/http"
"net/http/httptest"
"net/url"
"regexp"
"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/jinzhu/copier"
"github.com/seaweedfs/seaweedfs/weed/credential"
"github.com/seaweedfs/seaweedfs/weed/credential/memory"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
"github.com/seaweedfs/seaweedfs/weed/s3api"
"github.com/seaweedfs/seaweedfs/weed/s3api/policy_engine"
"github.com/seaweedfs/seaweedfs/weed/util/request_id"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var GetS3ApiConfiguration func(s3cfg *iam_pb.S3ApiConfiguration) (err error)
var PutS3ApiConfiguration func(s3cfg *iam_pb.S3ApiConfiguration) (err error)
var GetPolicies func(policies *Policies) (err error)
var PutPolicies func(policies *Policies) (err error)
var s3config = iam_pb.S3ApiConfiguration{}
var policiesFile = Policies{Policies: make(map[string]policy_engine.PolicyDocument)}
var ias = IamApiServer{s3ApiConfig: iamS3ApiConfigureMock{}}
type iamS3ApiConfigureMock struct{}
func (iam iamS3ApiConfigureMock) GetS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) (err error) {
_ = copier.Copy(&s3cfg.Identities, &s3config.Identities)
return nil
}
func (iam iamS3ApiConfigureMock) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) (err error) {
_ = copier.Copy(&s3config.Identities, &s3cfg.Identities)
return nil
}
func (iam iamS3ApiConfigureMock) GetPolicies(policies *Policies) (err error) {
_ = copier.Copy(&policies, &policiesFile)
return nil
}
func (iam iamS3ApiConfigureMock) PutPolicies(policies *Policies) (err error) {
_ = copier.Copy(&policiesFile, &policies)
return nil
}
func TestCreateUser(t *testing.T) {
userName := aws.String("Test")
params := &iam.CreateUserInput{UserName: userName}
req, _ := iam.New(session.New()).CreateUserRequest(params)
_ = req.Build()
out := CreateUserResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
//assert.Equal(t, out.XMLName, "lol")
}
func TestListUsers(t *testing.T) {
params := &iam.ListUsersInput{}
req, _ := iam.New(session.New()).ListUsersRequest(params)
_ = req.Build()
out := ListUsersResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func TestListUsersRequestIdMatchesResponseHeader(t *testing.T) {
params := &iam.ListUsersInput{}
req, _ := iam.New(session.New()).ListUsersRequest(params)
_ = req.Build()
out := ListUsersResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
headerRequestID := response.Header().Get(request_id.AmzRequestIDHeader)
assert.NotEmpty(t, headerRequestID)
assert.Equal(t, headerRequestID, extractRequestID(response))
}
func TestListAccessKeys(t *testing.T) {
svc := iam.New(session.New())
params := &iam.ListAccessKeysInput{}
req, _ := svc.ListAccessKeysRequest(params)
_ = req.Build()
out := ListAccessKeysResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func TestUpdateAccessKey(t *testing.T) {
svc := iam.New(session.New())
createReq, _ := svc.CreateAccessKeyRequest(&iam.CreateAccessKeyInput{UserName: aws.String("Test")})
_ = createReq.Build()
createOut := CreateAccessKeyResponse{}
response, err := executeRequest(createReq.HTTPRequest, createOut)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
var createResp CreateAccessKeyResponse
err = xml.Unmarshal(response.Body.Bytes(), &createResp)
assert.Equal(t, nil, err)
accessKeyId := createResp.CreateAccessKeyResult.AccessKey.AccessKeyId
if accessKeyId == nil {
t.Fatalf("expected access key id to be set")
}
updateReq, _ := svc.UpdateAccessKeyRequest(&iam.UpdateAccessKeyInput{
UserName: aws.String("Test"),
AccessKeyId: accessKeyId,
Status: aws.String("Inactive"),
})
_ = updateReq.Build()
updateOut := UpdateAccessKeyResponse{}
response, err = executeRequest(updateReq.HTTPRequest, updateOut)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
listReq, _ := svc.ListAccessKeysRequest(&iam.ListAccessKeysInput{UserName: aws.String("Test")})
_ = listReq.Build()
listOut := ListAccessKeysResponse{}
response, err = executeRequest(listReq.HTTPRequest, listOut)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
var listResp ListAccessKeysResponse
err = xml.Unmarshal(response.Body.Bytes(), &listResp)
assert.Equal(t, nil, err)
found := false
for _, key := range listResp.ListAccessKeysResult.AccessKeyMetadata {
if key.AccessKeyId != nil && *key.AccessKeyId == *accessKeyId {
found = true
if assert.NotNil(t, key.Status) {
assert.Equal(t, "Inactive", *key.Status)
}
break
}
}
assert.True(t, found)
}
func TestGetUser(t *testing.T) {
userName := aws.String("Test")
params := &iam.GetUserInput{UserName: userName}
req, _ := iam.New(session.New()).GetUserRequest(params)
_ = req.Build()
out := GetUserResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// Todo flat statement
func TestCreatePolicy(t *testing.T) {
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 := CreatePolicyResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
// isolatedIamConfig is a self-contained IamS3ApiConfig backing whose state lives
// on the instance (not the package globals that executeRequest shares), so
// policy-version tests stay order-independent under -shuffle.
type isolatedIamConfig struct {
identities []*iam_pb.Identity
groups []*iam_pb.Group
policies Policies
}
func newIsolatedIamServer() *IamApiServer {
return &IamApiServer{s3ApiConfig: &isolatedIamConfig{
policies: Policies{Policies: make(map[string]policy_engine.PolicyDocument)},
}}
}
func (m *isolatedIamConfig) GetS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
_ = copier.Copy(&s3cfg.Identities, &m.identities)
_ = copier.Copy(&s3cfg.Groups, &m.groups)
return nil
}
func (m *isolatedIamConfig) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
_ = copier.Copy(&m.identities, &s3cfg.Identities)
_ = copier.Copy(&m.groups, &s3cfg.Groups)
return nil
}
func (m *isolatedIamConfig) GetPolicies(policies *Policies) error {
_ = copier.Copy(&policies, &m.policies)
return nil
}
func (m *isolatedIamConfig) PutPolicies(policies *Policies) error {
_ = copier.Copy(&m.policies, &policies)
return nil
}
// TestCreatePolicyVersion reproduces issue #9785: the AWS Terraform provider
// updates a managed policy in place via CreatePolicyVersion, which previously
// returned 501 NotImplemented. The whole read/update surface Terraform relies on
// is exercised here: GetPolicy (DefaultVersionId), CreatePolicyVersion,
// GetPolicyVersion and ListPolicyVersions.
func TestCreatePolicyVersion(t *testing.T) {
srv := newIsolatedIamServer()
svc := iam.New(session.New())
policyName := "tf-managed-policy"
policyArn := aws.String("arn:aws:iam:::policy/" + policyName)
// Create the managed policy.
createReq, _ := svc.CreatePolicyRequest(&iam.CreatePolicyInput{
PolicyName: aws.String(policyName),
PolicyDocument: aws.String(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:Get*","s3:List*"],"Resource":["arn:aws:s3:::EXAMPLE-BUCKET"]}]}`),
})
_ = createReq.Build()
resp, err := executeRequestWith(srv, createReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
// Update it in place (what Terraform does). This used to return 501.
cpvReq, _ := svc.CreatePolicyVersionRequest(&iam.CreatePolicyVersionInput{
PolicyArn: policyArn,
PolicyDocument: aws.String(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:Get*"],"Resource":["arn:aws:s3:::EXAMPLE-BUCKET"]}]}`),
SetAsDefault: aws.Bool(true),
})
_ = cpvReq.Build()
resp, err = executeRequestWith(srv, cpvReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
var cpvResp CreatePolicyVersionResponse
require.NoError(t, xml.Unmarshal(resp.Body.Bytes(), &cpvResp))
require.NotNil(t, cpvResp.CreatePolicyVersionResult.PolicyVersion.VersionId)
assert.Equal(t, "v1", *cpvResp.CreatePolicyVersionResult.PolicyVersion.VersionId)
require.NotNil(t, cpvResp.CreatePolicyVersionResult.PolicyVersion.IsDefaultVersion)
assert.True(t, *cpvResp.CreatePolicyVersionResult.PolicyVersion.IsDefaultVersion)
// GetPolicy must advertise a default version so Terraform's read can chain
// into GetPolicyVersion.
gpReq, _ := svc.GetPolicyRequest(&iam.GetPolicyInput{PolicyArn: policyArn})
_ = gpReq.Build()
resp, err = executeRequestWith(srv, gpReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
var gpResp GetPolicyResponse
require.NoError(t, xml.Unmarshal(resp.Body.Bytes(), &gpResp))
require.NotNil(t, gpResp.GetPolicyResult.Policy.DefaultVersionId)
assert.Equal(t, "v1", *gpResp.GetPolicyResult.Policy.DefaultVersionId)
// GetPolicyVersion must return the updated document (Get* only, List* gone).
gpvReq, _ := svc.GetPolicyVersionRequest(&iam.GetPolicyVersionInput{PolicyArn: policyArn, VersionId: aws.String("v1")})
_ = gpvReq.Build()
resp, err = executeRequestWith(srv, gpvReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
var gpvResp GetPolicyVersionResponse
require.NoError(t, xml.Unmarshal(resp.Body.Bytes(), &gpvResp))
require.NotNil(t, gpvResp.GetPolicyVersionResult.PolicyVersion.Document)
assert.Contains(t, *gpvResp.GetPolicyVersionResult.PolicyVersion.Document, "s3:Get*")
assert.NotContains(t, *gpvResp.GetPolicyVersionResult.PolicyVersion.Document, "s3:List*")
// ListPolicyVersions must report exactly the single default version.
lpvReq, _ := svc.ListPolicyVersionsRequest(&iam.ListPolicyVersionsInput{PolicyArn: policyArn})
_ = lpvReq.Build()
resp, err = executeRequestWith(srv, lpvReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
var lpvResp ListPolicyVersionsResponse
require.NoError(t, xml.Unmarshal(resp.Body.Bytes(), &lpvResp))
require.Len(t, lpvResp.ListPolicyVersionsResult.Versions, 1)
assert.Equal(t, "v1", *lpvResp.ListPolicyVersionsResult.Versions[0].VersionId)
}
// TestCreatePolicyVersionMissingPolicy verifies a NoSuchEntity (404) when the
// target policy does not exist, matching AWS.
func TestCreatePolicyVersionMissingPolicy(t *testing.T) {
srv := newIsolatedIamServer()
req, _ := iam.New(session.New()).CreatePolicyVersionRequest(&iam.CreatePolicyVersionInput{
PolicyArn: aws.String("arn:aws:iam:::policy/does-not-exist"),
PolicyDocument: aws.String(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:Get*"],"Resource":["arn:aws:s3:::EXAMPLE-BUCKET"]}]}`),
SetAsDefault: aws.Bool(true),
})
_ = req.Build()
resp, err := executeRequestWith(srv, req.HTTPRequest, nil)
require.NoError(t, err)
assert.Equal(t, http.StatusNotFound, resp.Code)
code, _ := extractErrorCodeAndMessage(resp)
assert.Equal(t, "NoSuchEntity", code)
}
// TestCreatePolicyVersionRequiresSetAsDefault verifies that, given the
// single-version model, a request that does not set SetAsDefault=true is
// rejected rather than silently overwriting the active document.
func TestCreatePolicyVersionRequiresSetAsDefault(t *testing.T) {
srv := newIsolatedIamServer()
svc := iam.New(session.New())
policyArn := aws.String("arn:aws:iam:::policy/tf-managed-policy")
createReq, _ := svc.CreatePolicyRequest(&iam.CreatePolicyInput{
PolicyName: aws.String("tf-managed-policy"),
PolicyDocument: aws.String(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:Get*"],"Resource":["arn:aws:s3:::EXAMPLE-BUCKET"]}]}`),
})
_ = createReq.Build()
resp, err := executeRequestWith(srv, createReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
// SetAsDefault omitted (defaults to false) must be rejected.
cpvReq, _ := svc.CreatePolicyVersionRequest(&iam.CreatePolicyVersionInput{
PolicyArn: policyArn,
PolicyDocument: aws.String(`{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:Put*"],"Resource":["arn:aws:s3:::EXAMPLE-BUCKET"]}]}`),
})
_ = cpvReq.Build()
resp, err = executeRequestWith(srv, cpvReq.HTTPRequest, nil)
require.NoError(t, err)
assert.Equal(t, http.StatusBadRequest, resp.Code)
code, _ := extractErrorCodeAndMessage(resp)
assert.Equal(t, "InvalidInput", code)
// The live document must be untouched (still Get*, not Put*).
gpvReq, _ := svc.GetPolicyVersionRequest(&iam.GetPolicyVersionInput{PolicyArn: policyArn, VersionId: aws.String("v1")})
_ = gpvReq.Build()
resp, err = executeRequestWith(srv, gpvReq.HTTPRequest, nil)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
var gpvResp GetPolicyVersionResponse
require.NoError(t, xml.Unmarshal(resp.Body.Bytes(), &gpvResp))
require.NotNil(t, gpvResp.GetPolicyVersionResult.PolicyVersion.Document)
assert.Contains(t, *gpvResp.GetPolicyVersionResult.PolicyVersion.Document, "s3:Get*")
assert.NotContains(t, *gpvResp.GetPolicyVersionResult.PolicyVersion.Document, "s3:Put*")
}
func TestPutUserPolicy(t *testing.T) {
userName := aws.String("Test")
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 := PutUserPolicyResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func TestPutUserPolicyError(t *testing.T) {
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 := executeRequest(req.HTTPRequest, nil)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusNotFound, response.Code)
expectedMessage := "the user with name InvalidUser cannot be found"
expectedCode := "NoSuchEntity"
code, message := extractErrorCodeAndMessage(response)
assert.Equal(t, expectedMessage, message)
assert.Equal(t, expectedCode, code)
assert.Contains(t, response.Body.String(), "<RequestId>")
assert.NotContains(t, response.Body.String(), "<ResponseMetadata>")
assert.Equal(t, response.Header().Get(request_id.AmzRequestIDHeader), extractRequestID(response))
}
func extractErrorCodeAndMessage(response *httptest.ResponseRecorder) (string, string) {
pattern := `<Error><Code>(.*)</Code><Message>(.*)</Message><Type>(.*)</Type></Error>`
re := regexp.MustCompile(pattern)
code := re.FindStringSubmatch(response.Body.String())[1]
message := re.FindStringSubmatch(response.Body.String())[2]
return code, message
}
func extractRequestID(response *httptest.ResponseRecorder) string {
re := regexp.MustCompile(`<RequestId>([^<]+)</RequestId>`)
matches := re.FindStringSubmatch(response.Body.String())
if len(matches) < 2 {
return ""
}
return matches[1]
}
func TestGetUserPolicy(t *testing.T) {
userName := aws.String("Test")
params := &iam.GetUserPolicyInput{UserName: userName, PolicyName: aws.String("S3-read-only-example-bucket")}
req, _ := iam.New(session.New()).GetUserPolicyRequest(params)
_ = req.Build()
out := GetUserPolicyResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func TestUpdateUser(t *testing.T) {
userName := aws.String("Test")
newUserName := aws.String("Test-New")
params := &iam.UpdateUserInput{NewUserName: newUserName, UserName: userName}
req, _ := iam.New(session.New()).UpdateUserRequest(params)
_ = req.Build()
out := UpdateUserResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func TestDeleteUser(t *testing.T) {
userName := aws.String("Test-New")
params := &iam.DeleteUserInput{UserName: userName}
req, _ := iam.New(session.New()).DeleteUserRequest(params)
_ = req.Build()
out := DeleteUserResponse{}
response, err := executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusConflict, response.Code)
listReq, _ := iam.New(session.New()).ListAccessKeysRequest(&iam.ListAccessKeysInput{UserName: userName})
_ = listReq.Build()
listOut := ListAccessKeysResponse{}
listResp, err := executeRequest(listReq.HTTPRequest, listOut)
assert.Equal(t, nil, err)
var listResult ListAccessKeysResponse
assert.Equal(t, nil, xml.Unmarshal(listResp.Body.Bytes(), &listResult))
for _, key := range listResult.ListAccessKeysResult.AccessKeyMetadata {
delKeyReq, _ := iam.New(session.New()).DeleteAccessKeyRequest(&iam.DeleteAccessKeyInput{
UserName: userName,
AccessKeyId: key.AccessKeyId,
})
_ = delKeyReq.Build()
_, err := executeRequest(delKeyReq.HTTPRequest, out)
assert.Equal(t, nil, err)
}
req, _ = iam.New(session.New()).DeleteUserRequest(params)
_ = req.Build()
response, err = executeRequest(req.HTTPRequest, out)
assert.Equal(t, nil, err)
assert.Equal(t, http.StatusOK, response.Code)
}
func executeRequest(req *http.Request, v interface{}) (*httptest.ResponseRecorder, error) {
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(ias.DoActions)
apiRouter.ServeHTTP(rr, req)
return rr, xml.Unmarshal(rr.Body.Bytes(), &v)
}
func TestHandleImplicitUsername(t *testing.T) {
// Create a mock IamApiServer with credential store
// The handleImplicitUsername function now looks up the username from the
// credential store based on AccessKeyId, not from the region field in the auth header.
// Note: Using obviously fake access keys to avoid CI secret scanner false positives
// Create IAM directly as struct literal (same pattern as other tests)
iam := &s3api.IdentityAccessManagement{}
// Load test credentials - map access key to identity name
testConfig := &iam_pb.S3ApiConfiguration{
Identities: []*iam_pb.Identity{
{
Name: "testuser1",
Credentials: []*iam_pb.Credential{
{AccessKey: "AKIATESTFAKEKEY000001", SecretKey: "testsecretfake"},
},
},
},
}
err := iam.LoadS3ApiConfigurationFromBytes(mustMarshalJSON(t, testConfig))
if err != nil {
t.Fatalf("Failed to load test config: %v", err)
}
iama := &IamApiServer{
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 {
iama.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(t *testing.T, v interface{}) []byte {
t.Helper()
data, err := json.Marshal(v)
if err != nil {
t.Fatalf("failed to marshal JSON: %v", err)
}
return data
}
// iamApiServerWithCredentialManager builds an IamApiServer backed by a real
// in-memory credential store. Used for tests that exercise the targeted
// credentialManager paths (e.g. CreateUser) instead of the legacy mock.
func iamApiServerWithCredentialManager() (*IamApiServer, *credential.CredentialManager, *countingConfigSaver) {
store := &memory.MemoryStore{}
store.Initialize(nil, "")
cm := &credential.CredentialManager{Store: store}
counter := &countingConfigSaver{cm: cm}
iamInstance := &s3api.IdentityAccessManagement{}
// Wire up the credential manager so GetCredentialManager() returns it.
iamInstance.SetCredentialManagerForTest(cm)
srv := &IamApiServer{
s3ApiConfig: counter,
iam: iamInstance,
}
return srv, cm, counter
}
// countingConfigSaver wraps the credential manager and counts full-config saves.
type countingConfigSaver struct {
cm *credential.CredentialManager
putCalled int
}
func (c *countingConfigSaver) GetS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
config, err := c.cm.LoadConfiguration(context.Background())
if err != nil {
return err
}
s3cfg.Identities = config.Identities
s3cfg.Policies = config.Policies
return nil
}
func (c *countingConfigSaver) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) error {
c.putCalled++
return c.cm.SaveConfiguration(context.Background(), s3cfg)
}
func (c *countingConfigSaver) GetPolicies(policies *Policies) error {
return nil
}
func (c *countingConfigSaver) PutPolicies(policies *Policies) error {
return nil
}
func executeRequestWith(srv *IamApiServer, req *http.Request, v interface{}) (*httptest.ResponseRecorder, error) {
rr := httptest.NewRecorder()
apiRouter := mux.NewRouter().SkipClean(true)
apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(srv.DoActions)
apiRouter.ServeHTTP(rr, req)
return rr, xml.Unmarshal(rr.Body.Bytes(), &v)
}
// TestCreateUserDoesNotSaveAllUsers is a regression test for the bug where
// creating a new user triggered a full SaveConfiguration over all existing
// identities (causing N file writes + reload cycles in the filer_etc store).
// The fix uses credentialManager.CreateUser for a targeted single-file write.
func TestCreateUserDoesNotSaveAllUsers(t *testing.T) {
srv, cm, counter := iamApiServerWithCredentialManager()
ctx := context.Background()
// Pre-populate three existing users.
for _, name := range []string{"existing-1", "existing-2", "existing-3"} {
require.NoError(t, cm.CreateUser(ctx, &iam_pb.Identity{Name: name}))
}
// Create a new user via the HTTP API.
params := &iam.CreateUserInput{UserName: aws.String("new-user")}
req, _ := iam.New(session.New()).CreateUserRequest(params)
_ = req.Build()
out := CreateUserResponse{}
resp, err := executeRequestWith(srv, req.HTTPRequest, &out)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.Code)
// The new user must appear in the store.
newUser, userErr := cm.GetUser(ctx, "new-user")
require.NoError(t, userErr)
require.Equal(t, "new-user", newUser.Name)
// Critical: full SaveConfiguration (PutS3ApiConfiguration) must NOT have
// been called. Before the fix it was called once per CreateUser, rewriting
// every existing user file and triggering a cascade of reload events.
assert.Equal(t, 0, counter.putCalled,
"CreateUser must not trigger a full PutS3ApiConfiguration over all users")
// All pre-existing users must still be intact.
for _, name := range []string{"existing-1", "existing-2", "existing-3"} {
u, err := cm.GetUser(ctx, name)
require.NoError(t, err, "pre-existing user %s should still exist", name)
assert.Equal(t, name, u.Name)
}
}