117 lines
2.6 KiB
Go
117 lines
2.6 KiB
Go
package postgresql
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import (
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"fmt"
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"time"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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"github.com/lib/pq"
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)
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const SecretCredsType = "creds"
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func secretCreds(b *backend) *framework.Secret {
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return &framework.Secret{
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Type: SecretCredsType,
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Fields: map[string]*framework.FieldSchema{
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"username": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Username",
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},
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"password": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Password",
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},
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},
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DefaultDuration: 1 * time.Hour,
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DefaultGracePeriod: 10 * time.Minute,
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Renew: b.secretCredsRenew,
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Revoke: b.secretCredsRevoke,
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}
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}
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func (b *backend) secretCredsRenew(
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req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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// Get the username from the internal data
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usernameRaw, ok := req.Secret.InternalData["username"]
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if !ok {
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return nil, fmt.Errorf("secret is missing username internal data")
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}
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username, ok := usernameRaw.(string)
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// Get our connection
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db, err := b.DB(req.Storage)
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if err != nil {
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return nil, err
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}
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// Get the lease information
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lease, err := b.Lease(req.Storage)
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if err != nil {
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return nil, err
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}
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if lease == nil {
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lease = &configLease{Lease: 1 * time.Hour}
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}
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f := framework.LeaseExtend(lease.Lease, lease.LeaseMax)
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resp, err := f(req, d)
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if err != nil {
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return nil, err
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}
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// Make sure we increase the VALID UNTIL endpoint for this user.
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if expireTime := resp.Secret.ExpirationTime(); !expireTime.IsZero() {
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expiration := expireTime.Add(10 * time.Minute).
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Format("2006-01-02 15:04:05")
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query := fmt.Sprintf(
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"ALTER ROLE %s VALID UNTIL '%s';",
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pq.QuoteIdentifier(username),
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expiration)
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stmt, err := db.Prepare(query)
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if err != nil {
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return nil, err
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}
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defer stmt.Close()
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if _, err := stmt.Exec(); err != nil {
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return nil, err
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}
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}
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return resp, nil
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}
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func (b *backend) secretCredsRevoke(
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req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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// Get the username from the internal data
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usernameRaw, ok := req.Secret.InternalData["username"]
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if !ok {
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return nil, fmt.Errorf("secret is missing username internal data")
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}
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username, ok := usernameRaw.(string)
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// Get our connection
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db, err := b.DB(req.Storage)
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if err != nil {
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return nil, err
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}
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// Drop this user
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stmt, err := db.Prepare(fmt.Sprintf(
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"DROP ROLE IF EXISTS %s;", pq.QuoteIdentifier(username)))
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if err != nil {
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return nil, err
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}
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defer stmt.Close()
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if _, err := stmt.Exec(); err != nil {
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return nil, err
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}
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return nil, nil
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}
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