mirror of
https://github.com/hashicorp/vault.git
synced 2025-08-11 09:07:00 +02:00
121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
package database
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/hashicorp/go-uuid"
|
|
"github.com/hashicorp/vault/logical"
|
|
"github.com/hashicorp/vault/logical/framework"
|
|
_ "github.com/lib/pq"
|
|
)
|
|
|
|
func pathRoleCreate(b *databaseBackend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: "creds/" + framework.GenericNameRegex("name"),
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"name": &framework.FieldSchema{
|
|
Type: framework.TypeString,
|
|
Description: "Name of the role.",
|
|
},
|
|
},
|
|
|
|
Callbacks: map[logical.Operation]framework.OperationFunc{
|
|
logical.ReadOperation: b.pathRoleCreateRead,
|
|
},
|
|
|
|
HelpSynopsis: pathRoleCreateReadHelpSyn,
|
|
HelpDescription: pathRoleCreateReadHelpDesc,
|
|
}
|
|
}
|
|
|
|
func (b *databaseBackend) pathRoleCreateRead(req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
|
|
b.logger.Trace("postgres/pathRoleCreateRead: enter")
|
|
defer b.logger.Trace("postgres/pathRoleCreateRead: exit")
|
|
|
|
name := data.Get("name").(string)
|
|
|
|
// Get the role
|
|
b.logger.Trace("postgres/pathRoleCreateRead: getting role")
|
|
role, err := b.Role(req.Storage, name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if role == nil {
|
|
return logical.ErrorResponse(fmt.Sprintf("unknown role: %s", name)), nil
|
|
}
|
|
|
|
// Determine if we have a lease
|
|
b.logger.Trace("postgres/pathRoleCreateRead: getting lease")
|
|
lease, err := b.Lease(req.Storage)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Unlike some other backends we need a lease here (can't leave as 0 and
|
|
// let core fill it in) because Postgres also expires users as a safety
|
|
// measure, so cannot be zero
|
|
if lease == nil {
|
|
lease = &configLease{
|
|
Lease: b.System().DefaultLeaseTTL(),
|
|
}
|
|
}
|
|
|
|
// Generate the username, password and expiration. PG limits user to 63 characters
|
|
displayName := req.DisplayName
|
|
if len(displayName) > 26 {
|
|
displayName = displayName[:26]
|
|
}
|
|
userUUID, err := uuid.GenerateUUID()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
username := fmt.Sprintf("%s-%s", displayName, userUUID)
|
|
if len(username) > 63 {
|
|
username = username[:63]
|
|
}
|
|
password, err := uuid.GenerateUUID()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
expiration := time.Now().
|
|
Add(lease.Lease).
|
|
Format("2006-01-02 15:04:05-0700")
|
|
|
|
// Get our handle
|
|
b.logger.Trace("postgres/pathRoleCreateRead: getting database handle")
|
|
|
|
b.RLock()
|
|
defer b.RUnlock()
|
|
db, ok := b.connections[role.DBName]
|
|
if !ok {
|
|
// TODO: return a resp error instead?
|
|
return nil, fmt.Errorf("Cound not find DB with name: %s", role.DBName)
|
|
}
|
|
|
|
err = db.CreateUser(role.CreationStatement, username, password, expiration)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
b.logger.Trace("postgres/pathRoleCreateRead: generating secret")
|
|
resp := b.Secret(SecretCredsType).Response(map[string]interface{}{
|
|
"username": username,
|
|
"password": password,
|
|
}, map[string]interface{}{
|
|
"username": username,
|
|
"role": name,
|
|
})
|
|
resp.Secret.TTL = lease.Lease
|
|
return resp, nil
|
|
}
|
|
|
|
const pathRoleCreateReadHelpSyn = `
|
|
Request database credentials for a certain role.
|
|
`
|
|
|
|
const pathRoleCreateReadHelpDesc = `
|
|
This path reads database credentials for a certain role. The
|
|
database credentials will be generated on demand and will be automatically
|
|
revoked when the lease is up.
|
|
`
|