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|
package memory
import (
"context"
"encoding/json"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/credential"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
)
func (store *MemoryStore) LoadConfiguration(ctx context.Context) (*iam_pb.S3ApiConfiguration, error) {
store.mu.RLock()
defer store.mu.RUnlock()
if !store.initialized {
return nil, fmt.Errorf("store not initialized")
}
config := &iam_pb.S3ApiConfiguration{}
// Convert all users to identities
for _, user := range store.users {
// Deep copy the identity to avoid mutation issues
identityCopy := store.deepCopyIdentity(user)
config.Identities = append(config.Identities, identityCopy)
}
return config, nil
}
func (store *MemoryStore) SaveConfiguration(ctx context.Context, config *iam_pb.S3ApiConfiguration) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
// Clear existing data
store.users = make(map[string]*iam_pb.Identity)
store.accessKeys = make(map[string]string)
// Add all identities
for _, identity := range config.Identities {
// Deep copy to avoid mutation issues
identityCopy := store.deepCopyIdentity(identity)
store.users[identity.Name] = identityCopy
// Index access keys
for _, credential := range identity.Credentials {
store.accessKeys[credential.AccessKey] = identity.Name
}
}
return nil
}
func (store *MemoryStore) CreateUser(ctx context.Context, identity *iam_pb.Identity) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
if _, exists := store.users[identity.Name]; exists {
return credential.ErrUserAlreadyExists
}
// Check for duplicate access keys
for _, cred := range identity.Credentials {
if _, exists := store.accessKeys[cred.AccessKey]; exists {
return fmt.Errorf("access key %s already exists", cred.AccessKey)
}
}
// Deep copy to avoid mutation issues
identityCopy := store.deepCopyIdentity(identity)
store.users[identity.Name] = identityCopy
// Index access keys
for _, cred := range identity.Credentials {
store.accessKeys[cred.AccessKey] = identity.Name
}
return nil
}
func (store *MemoryStore) GetUser(ctx context.Context, username string) (*iam_pb.Identity, error) {
store.mu.RLock()
defer store.mu.RUnlock()
if !store.initialized {
return nil, fmt.Errorf("store not initialized")
}
user, exists := store.users[username]
if !exists {
return nil, credential.ErrUserNotFound
}
// Return a deep copy to avoid mutation issues
return store.deepCopyIdentity(user), nil
}
func (store *MemoryStore) UpdateUser(ctx context.Context, username string, identity *iam_pb.Identity) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
existingUser, exists := store.users[username]
if !exists {
return credential.ErrUserNotFound
}
// Remove old access keys from index
for _, cred := range existingUser.Credentials {
delete(store.accessKeys, cred.AccessKey)
}
// Check for duplicate access keys (excluding current user)
for _, cred := range identity.Credentials {
if existingUsername, exists := store.accessKeys[cred.AccessKey]; exists && existingUsername != username {
return fmt.Errorf("access key %s already exists", cred.AccessKey)
}
}
// Deep copy to avoid mutation issues
identityCopy := store.deepCopyIdentity(identity)
store.users[username] = identityCopy
// Re-index access keys
for _, cred := range identity.Credentials {
store.accessKeys[cred.AccessKey] = username
}
return nil
}
func (store *MemoryStore) DeleteUser(ctx context.Context, username string) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
user, exists := store.users[username]
if !exists {
return credential.ErrUserNotFound
}
// Remove access keys from index
for _, cred := range user.Credentials {
delete(store.accessKeys, cred.AccessKey)
}
// Remove user
delete(store.users, username)
return nil
}
func (store *MemoryStore) ListUsers(ctx context.Context) ([]string, error) {
store.mu.RLock()
defer store.mu.RUnlock()
if !store.initialized {
return nil, fmt.Errorf("store not initialized")
}
var usernames []string
for username := range store.users {
usernames = append(usernames, username)
}
return usernames, nil
}
func (store *MemoryStore) GetUserByAccessKey(ctx context.Context, accessKey string) (*iam_pb.Identity, error) {
store.mu.RLock()
defer store.mu.RUnlock()
if !store.initialized {
return nil, fmt.Errorf("store not initialized")
}
username, exists := store.accessKeys[accessKey]
if !exists {
return nil, credential.ErrAccessKeyNotFound
}
user, exists := store.users[username]
if !exists {
// This should not happen, but handle it gracefully
return nil, credential.ErrUserNotFound
}
// Return a deep copy to avoid mutation issues
return store.deepCopyIdentity(user), nil
}
func (store *MemoryStore) CreateAccessKey(ctx context.Context, username string, cred *iam_pb.Credential) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
user, exists := store.users[username]
if !exists {
return credential.ErrUserNotFound
}
// Check if access key already exists
if _, exists := store.accessKeys[cred.AccessKey]; exists {
return fmt.Errorf("access key %s already exists", cred.AccessKey)
}
// Add credential to user
user.Credentials = append(user.Credentials, &iam_pb.Credential{
AccessKey: cred.AccessKey,
SecretKey: cred.SecretKey,
})
// Index the access key
store.accessKeys[cred.AccessKey] = username
return nil
}
func (store *MemoryStore) DeleteAccessKey(ctx context.Context, username string, accessKey string) error {
store.mu.Lock()
defer store.mu.Unlock()
if !store.initialized {
return fmt.Errorf("store not initialized")
}
user, exists := store.users[username]
if !exists {
return credential.ErrUserNotFound
}
// Find and remove the credential
var newCredentials []*iam_pb.Credential
found := false
for _, cred := range user.Credentials {
if cred.AccessKey == accessKey {
found = true
// Remove from access key index
delete(store.accessKeys, accessKey)
} else {
newCredentials = append(newCredentials, cred)
}
}
if !found {
return credential.ErrAccessKeyNotFound
}
user.Credentials = newCredentials
return nil
}
// deepCopyIdentity creates a deep copy of an identity to avoid mutation issues
func (store *MemoryStore) deepCopyIdentity(identity *iam_pb.Identity) *iam_pb.Identity {
if identity == nil {
return nil
}
// Use JSON marshaling/unmarshaling for deep copy
// This is simple and safe for protobuf messages
data, err := json.Marshal(identity)
if err != nil {
// Fallback to shallow copy if JSON fails
return &iam_pb.Identity{
Name: identity.Name,
Account: identity.Account,
Credentials: identity.Credentials,
Actions: identity.Actions,
}
}
var copy iam_pb.Identity
if err := json.Unmarshal(data, ©); err != nil {
// Fallback to shallow copy if JSON fails
return &iam_pb.Identity{
Name: identity.Name,
Account: identity.Account,
Credentials: identity.Credentials,
Actions: identity.Actions,
}
}
return ©
}
|
