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130 lines
3.4 KiB
130 lines
3.4 KiB
package postgres
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/s3api/policy_engine"
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)
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// GetPolicies retrieves all IAM policies from PostgreSQL
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func (store *PostgresStore) GetPolicies(ctx context.Context) (map[string]policy_engine.PolicyDocument, error) {
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if !store.configured {
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return nil, fmt.Errorf("store not configured")
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}
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policies := make(map[string]policy_engine.PolicyDocument)
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rows, err := store.db.QueryContext(ctx, "SELECT name, document FROM policies")
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if err != nil {
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return nil, fmt.Errorf("failed to query policies: %w", err)
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}
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defer rows.Close()
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for rows.Next() {
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var name string
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var documentJSON []byte
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if err := rows.Scan(&name, &documentJSON); err != nil {
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return nil, fmt.Errorf("failed to scan policy row: %w", err)
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}
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var document policy_engine.PolicyDocument
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if err := json.Unmarshal(documentJSON, &document); err != nil {
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return nil, fmt.Errorf("failed to unmarshal policy document for %s: %v", name, err)
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}
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policies[name] = document
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}
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return policies, nil
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}
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// CreatePolicy creates a new IAM policy in PostgreSQL
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func (store *PostgresStore) CreatePolicy(ctx context.Context, name string, document policy_engine.PolicyDocument) error {
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if !store.configured {
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return fmt.Errorf("store not configured")
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}
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documentJSON, err := json.Marshal(document)
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if err != nil {
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return fmt.Errorf("failed to marshal policy document: %w", err)
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}
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_, err = store.db.ExecContext(ctx,
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"INSERT INTO policies (name, document) VALUES ($1, $2) ON CONFLICT (name) DO UPDATE SET document = $2, updated_at = CURRENT_TIMESTAMP",
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name, documentJSON)
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if err != nil {
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return fmt.Errorf("failed to insert policy: %w", err)
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}
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return nil
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}
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// UpdatePolicy updates an existing IAM policy in PostgreSQL
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func (store *PostgresStore) UpdatePolicy(ctx context.Context, name string, document policy_engine.PolicyDocument) error {
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if !store.configured {
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return fmt.Errorf("store not configured")
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}
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documentJSON, err := json.Marshal(document)
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if err != nil {
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return fmt.Errorf("failed to marshal policy document: %w", err)
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}
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result, err := store.db.ExecContext(ctx,
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"UPDATE policies SET document = $2, updated_at = CURRENT_TIMESTAMP WHERE name = $1",
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name, documentJSON)
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if err != nil {
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return fmt.Errorf("failed to update policy: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("policy %s not found", name)
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}
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return nil
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}
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// DeletePolicy deletes an IAM policy from PostgreSQL
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func (store *PostgresStore) DeletePolicy(ctx context.Context, name string) error {
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if !store.configured {
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return fmt.Errorf("store not configured")
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}
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result, err := store.db.ExecContext(ctx, "DELETE FROM policies WHERE name = $1", name)
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if err != nil {
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return fmt.Errorf("failed to delete policy: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("policy %s not found", name)
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}
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return nil
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}
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// GetPolicy retrieves a specific IAM policy by name from PostgreSQL
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func (store *PostgresStore) GetPolicy(ctx context.Context, name string) (*policy_engine.PolicyDocument, error) {
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policies, err := store.GetPolicies(ctx)
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if err != nil {
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return nil, err
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}
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if policy, exists := policies[name]; exists {
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return &policy, nil
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}
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return nil, nil // Policy not found
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}
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