120 lines
2.7 KiB
Go
120 lines
2.7 KiB
Go
package mongodb
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import (
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"context"
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"fmt"
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uuid "github.com/hashicorp/go-uuid"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/logical"
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)
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func pathCredsCreate(b *backend) *framework.Path {
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return &framework.Path{
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Pattern: "creds/" + framework.GenericNameRegex("name"),
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Fields: map[string]*framework.FieldSchema{
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"name": {
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Type: framework.TypeString,
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Description: "Name of the role to generate credentials for.",
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},
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},
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.ReadOperation: b.pathCredsCreateRead,
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},
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HelpSynopsis: pathCredsCreateReadHelpSyn,
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HelpDescription: pathCredsCreateReadHelpDesc,
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}
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}
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func (b *backend) pathCredsCreateRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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name := data.Get("name").(string)
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// Get the role
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role, err := b.Role(ctx, req.Storage, name)
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if err != nil {
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return nil, err
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}
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if role == nil {
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return logical.ErrorResponse(fmt.Sprintf("unknown role: %s", name)), nil
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}
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// Determine if we have a lease configuration
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leaseConfig, err := b.LeaseConfig(ctx, 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 leaseConfig == nil {
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leaseConfig = &configLease{}
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}
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// Generate the username and password
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displayName := req.DisplayName
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if displayName != "" {
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displayName += "-"
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}
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userUUID, err := uuid.GenerateUUID()
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if err != nil {
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return nil, err
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}
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username := fmt.Sprintf("vault-%s%s", displayName, userUUID)
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password, err := uuid.GenerateUUID()
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if err != nil {
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return nil, err
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}
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// Build the user creation command
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createUserCmd := createUserCommand{
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Username: username,
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Password: password,
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Roles: role.MongoDBRoles.toStandardRolesArray(),
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}
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// Get our connection
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session, err := b.Session(ctx, req.Storage)
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if err != nil {
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return nil, err
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}
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// Create the user
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err = session.DB(role.DB).Run(createUserCmd, nil)
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if err != nil {
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return nil, err
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}
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// Return the secret
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resp := b.Secret(SecretCredsType).Response(map[string]interface{}{
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"db": role.DB,
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"username": username,
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"password": password,
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}, map[string]interface{}{
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"username": username,
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"db": role.DB,
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})
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resp.Secret.TTL = leaseConfig.TTL
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resp.Secret.MaxTTL = leaseConfig.MaxTTL
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return resp, nil
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}
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type createUserCommand struct {
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Username string `bson:"createUser"`
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Password string `bson:"pwd"`
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Roles []interface{} `bson:"roles"`
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}
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const pathCredsCreateReadHelpSyn = `
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Request MongoDB database credentials for a particular role.
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`
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const pathCredsCreateReadHelpDesc = `
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This path reads generates MongoDB database credentials for
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a particular role. The database credentials will be
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generated on demand and will be automatically revoked when
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the lease is up.
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`
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