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package postgres
import (
"context"
"database/sql"
"encoding/json"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/credential"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
)
func (store *PostgresStore) LoadConfiguration(ctx context.Context) (*iam_pb.S3ApiConfiguration, error) {
if !store.configured {
return nil, fmt.Errorf("store not configured")
}
config := &iam_pb.S3ApiConfiguration{}
// Query all users
rows, err := store.db.QueryContext(ctx, "SELECT username, email, account_data, actions FROM users")
if err != nil {
return nil, fmt.Errorf("failed to query users: %v", err)
}
defer rows.Close()
for rows.Next() {
var username, email string
var accountDataJSON, actionsJSON []byte
if err := rows.Scan(&username, &email, &accountDataJSON, &actionsJSON); err != nil {
return nil, fmt.Errorf("failed to scan user row: %v", err)
}
identity := &iam_pb.Identity{
Name: username,
}
// Parse account data
if len(accountDataJSON) > 0 {
if err := json.Unmarshal(accountDataJSON, &identity.Account); err != nil {
return nil, fmt.Errorf("failed to unmarshal account data for user %s: %v", username, err)
}
}
// Parse actions
if len(actionsJSON) > 0 {
if err := json.Unmarshal(actionsJSON, &identity.Actions); err != nil {
return nil, fmt.Errorf("failed to unmarshal actions for user %s: %v", username, err)
}
}
// Query credentials for this user
credRows, err := store.db.QueryContext(ctx, "SELECT access_key, secret_key FROM credentials WHERE username = $1", username)
if err != nil {
return nil, fmt.Errorf("failed to query credentials for user %s: %v", username, err)
}
for credRows.Next() {
var accessKey, secretKey string
if err := credRows.Scan(&accessKey, &secretKey); err != nil {
credRows.Close()
return nil, fmt.Errorf("failed to scan credential row for user %s: %v", username, err)
}
identity.Credentials = append(identity.Credentials, &iam_pb.Credential{
AccessKey: accessKey,
SecretKey: secretKey,
})
}
credRows.Close()
config.Identities = append(config.Identities, identity)
}
return config, nil
}
func (store *PostgresStore) SaveConfiguration(ctx context.Context, config *iam_pb.S3ApiConfiguration) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
// Start transaction
tx, err := store.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("failed to begin transaction: %v", err)
}
defer tx.Rollback()
// Clear existing data
if _, err := tx.ExecContext(ctx, "DELETE FROM credentials"); err != nil {
return fmt.Errorf("failed to clear credentials: %v", err)
}
if _, err := tx.ExecContext(ctx, "DELETE FROM users"); err != nil {
return fmt.Errorf("failed to clear users: %v", err)
}
// Insert all identities
for _, identity := range config.Identities {
// Marshal account data
var accountDataJSON []byte
if identity.Account != nil {
accountDataJSON, err = json.Marshal(identity.Account)
if err != nil {
return fmt.Errorf("failed to marshal account data for user %s: %v", identity.Name, err)
}
}
// Marshal actions
var actionsJSON []byte
if identity.Actions != nil {
actionsJSON, err = json.Marshal(identity.Actions)
if err != nil {
return fmt.Errorf("failed to marshal actions for user %s: %v", identity.Name, err)
}
}
// Insert user
_, err := tx.ExecContext(ctx,
"INSERT INTO users (username, email, account_data, actions) VALUES ($1, $2, $3, $4)",
identity.Name, "", accountDataJSON, actionsJSON)
if err != nil {
return fmt.Errorf("failed to insert user %s: %v", identity.Name, err)
}
// Insert credentials
for _, cred := range identity.Credentials {
_, err := tx.ExecContext(ctx,
"INSERT INTO credentials (username, access_key, secret_key) VALUES ($1, $2, $3)",
identity.Name, cred.AccessKey, cred.SecretKey)
if err != nil {
return fmt.Errorf("failed to insert credential for user %s: %v", identity.Name, err)
}
}
}
return tx.Commit()
}
func (store *PostgresStore) CreateUser(ctx context.Context, identity *iam_pb.Identity) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
// Check if user already exists
var count int
err := store.db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users WHERE username = $1", identity.Name).Scan(&count)
if err != nil {
return fmt.Errorf("failed to check user existence: %v", err)
}
if count > 0 {
return credential.ErrUserAlreadyExists
}
// Start transaction
tx, err := store.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("failed to begin transaction: %v", err)
}
defer tx.Rollback()
// Marshal account data
var accountDataJSON []byte
if identity.Account != nil {
accountDataJSON, err = json.Marshal(identity.Account)
if err != nil {
return fmt.Errorf("failed to marshal account data: %v", err)
}
}
// Marshal actions
var actionsJSON []byte
if identity.Actions != nil {
actionsJSON, err = json.Marshal(identity.Actions)
if err != nil {
return fmt.Errorf("failed to marshal actions: %v", err)
}
}
// Insert user
_, err = tx.ExecContext(ctx,
"INSERT INTO users (username, email, account_data, actions) VALUES ($1, $2, $3, $4)",
identity.Name, "", accountDataJSON, actionsJSON)
if err != nil {
return fmt.Errorf("failed to insert user: %v", err)
}
// Insert credentials
for _, cred := range identity.Credentials {
_, err = tx.ExecContext(ctx,
"INSERT INTO credentials (username, access_key, secret_key) VALUES ($1, $2, $3)",
identity.Name, cred.AccessKey, cred.SecretKey)
if err != nil {
return fmt.Errorf("failed to insert credential: %v", err)
}
}
return tx.Commit()
}
func (store *PostgresStore) GetUser(ctx context.Context, username string) (*iam_pb.Identity, error) {
if !store.configured {
return nil, fmt.Errorf("store not configured")
}
var email string
var accountDataJSON, actionsJSON []byte
err := store.db.QueryRowContext(ctx,
"SELECT email, account_data, actions FROM users WHERE username = $1",
username).Scan(&email, &accountDataJSON, &actionsJSON)
if err != nil {
if err == sql.ErrNoRows {
return nil, credential.ErrUserNotFound
}
return nil, fmt.Errorf("failed to query user: %v", err)
}
identity := &iam_pb.Identity{
Name: username,
}
// Parse account data
if len(accountDataJSON) > 0 {
if err := json.Unmarshal(accountDataJSON, &identity.Account); err != nil {
return nil, fmt.Errorf("failed to unmarshal account data: %v", err)
}
}
// Parse actions
if len(actionsJSON) > 0 {
if err := json.Unmarshal(actionsJSON, &identity.Actions); err != nil {
return nil, fmt.Errorf("failed to unmarshal actions: %v", err)
}
}
// Query credentials
rows, err := store.db.QueryContext(ctx, "SELECT access_key, secret_key FROM credentials WHERE username = $1", username)
if err != nil {
return nil, fmt.Errorf("failed to query credentials: %v", err)
}
defer rows.Close()
for rows.Next() {
var accessKey, secretKey string
if err := rows.Scan(&accessKey, &secretKey); err != nil {
return nil, fmt.Errorf("failed to scan credential: %v", err)
}
identity.Credentials = append(identity.Credentials, &iam_pb.Credential{
AccessKey: accessKey,
SecretKey: secretKey,
})
}
return identity, nil
}
func (store *PostgresStore) UpdateUser(ctx context.Context, username string, identity *iam_pb.Identity) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
// Start transaction
tx, err := store.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("failed to begin transaction: %v", err)
}
defer tx.Rollback()
// Check if user exists
var count int
err = tx.QueryRowContext(ctx, "SELECT COUNT(*) FROM users WHERE username = $1", username).Scan(&count)
if err != nil {
return fmt.Errorf("failed to check user existence: %v", err)
}
if count == 0 {
return credential.ErrUserNotFound
}
// Marshal account data
var accountDataJSON []byte
if identity.Account != nil {
accountDataJSON, err = json.Marshal(identity.Account)
if err != nil {
return fmt.Errorf("failed to marshal account data: %v", err)
}
}
// Marshal actions
var actionsJSON []byte
if identity.Actions != nil {
actionsJSON, err = json.Marshal(identity.Actions)
if err != nil {
return fmt.Errorf("failed to marshal actions: %v", err)
}
}
// Update user
_, err = tx.ExecContext(ctx,
"UPDATE users SET email = $2, account_data = $3, actions = $4, updated_at = CURRENT_TIMESTAMP WHERE username = $1",
username, "", accountDataJSON, actionsJSON)
if err != nil {
return fmt.Errorf("failed to update user: %v", err)
}
// Delete existing credentials
_, err = tx.ExecContext(ctx, "DELETE FROM credentials WHERE username = $1", username)
if err != nil {
return fmt.Errorf("failed to delete existing credentials: %v", err)
}
// Insert new credentials
for _, cred := range identity.Credentials {
_, err = tx.ExecContext(ctx,
"INSERT INTO credentials (username, access_key, secret_key) VALUES ($1, $2, $3)",
username, cred.AccessKey, cred.SecretKey)
if err != nil {
return fmt.Errorf("failed to insert credential: %v", err)
}
}
return tx.Commit()
}
func (store *PostgresStore) DeleteUser(ctx context.Context, username string) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
result, err := store.db.ExecContext(ctx, "DELETE FROM users WHERE username = $1", username)
if err != nil {
return fmt.Errorf("failed to delete user: %v", err)
}
rowsAffected, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("failed to get rows affected: %v", err)
}
if rowsAffected == 0 {
return credential.ErrUserNotFound
}
return nil
}
func (store *PostgresStore) ListUsers(ctx context.Context) ([]string, error) {
if !store.configured {
return nil, fmt.Errorf("store not configured")
}
rows, err := store.db.QueryContext(ctx, "SELECT username FROM users ORDER BY username")
if err != nil {
return nil, fmt.Errorf("failed to query users: %v", err)
}
defer rows.Close()
var usernames []string
for rows.Next() {
var username string
if err := rows.Scan(&username); err != nil {
return nil, fmt.Errorf("failed to scan username: %v", err)
}
usernames = append(usernames, username)
}
return usernames, nil
}
func (store *PostgresStore) GetUserByAccessKey(ctx context.Context, accessKey string) (*iam_pb.Identity, error) {
if !store.configured {
return nil, fmt.Errorf("store not configured")
}
var username string
err := store.db.QueryRowContext(ctx, "SELECT username FROM credentials WHERE access_key = $1", accessKey).Scan(&username)
if err != nil {
if err == sql.ErrNoRows {
return nil, credential.ErrAccessKeyNotFound
}
return nil, fmt.Errorf("failed to query access key: %v", err)
}
return store.GetUser(ctx, username)
}
func (store *PostgresStore) CreateAccessKey(ctx context.Context, username string, cred *iam_pb.Credential) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
// Check if user exists
var count int
err := store.db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users WHERE username = $1", username).Scan(&count)
if err != nil {
return fmt.Errorf("failed to check user existence: %v", err)
}
if count == 0 {
return credential.ErrUserNotFound
}
// Insert credential
_, err = store.db.ExecContext(ctx,
"INSERT INTO credentials (username, access_key, secret_key) VALUES ($1, $2, $3)",
username, cred.AccessKey, cred.SecretKey)
if err != nil {
return fmt.Errorf("failed to insert credential: %v", err)
}
return nil
}
func (store *PostgresStore) DeleteAccessKey(ctx context.Context, username string, accessKey string) error {
if !store.configured {
return fmt.Errorf("store not configured")
}
result, err := store.db.ExecContext(ctx,
"DELETE FROM credentials WHERE username = $1 AND access_key = $2",
username, accessKey)
if err != nil {
return fmt.Errorf("failed to delete access key: %v", err)
}
rowsAffected, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("failed to get rows affected: %v", err)
}
if rowsAffected == 0 {
// Check if user exists
var count int
err = store.db.QueryRowContext(ctx, "SELECT COUNT(*) FROM users WHERE username = $1", username).Scan(&count)
if err != nil {
return fmt.Errorf("failed to check user existence: %v", err)
}
if count == 0 {
return credential.ErrUserNotFound
}
return credential.ErrAccessKeyNotFound
}
return nil
}