// handleLoginRequest is used to handle a login request, which is an
// unauthenticated request to the backend.
func (c *Core) handleLoginRequest(req *logical.Request) (*logical.Response, *logical.Auth, error) {
defer metrics.MeasureSince([]string{"core", "handle_login_request"}, time.Now())
// Create an audit trail of the request, auth is not available on login requests
if err := c.auditBroker.LogRequest(nil, req, nil); err != nil {
c.logger.Printf("[ERR] core: failed to audit request (%#v): %v",
req, err)
return nil, nil, ErrInternalError
}
// Route the request
resp, err := c.router.Route(req)
// A login request should never return a secret!
if resp != nil && resp.Secret != nil {
c.logger.Printf("[ERR] core: unexpected Secret response for login path"+
"(request: %#v, response: %#v)", req, resp)
return nil, nil, ErrInternalError
}
// If the response generated an authentication, then generate the token
var auth *logical.Auth
if resp != nil && resp.Auth != nil {
auth = resp.Auth
// Determine the source of the login
source := c.router.MatchingMount(req.Path)
source = strings.TrimPrefix(source, credentialRoutePrefix)
source = strings.Replace(source, "/", "-", -1)
// Prepend the source to the display name
auth.DisplayName = strings.TrimSuffix(source+auth.DisplayName, "-")
// Generate a token
te := TokenEntry{
Path: req.Path,
Policies: auth.Policies,
Meta: auth.Metadata,
DisplayName: auth.DisplayName,
}
if err := c.tokenStore.Create(&te); err != nil {
c.logger.Printf("[ERR] core: failed to create token: %v", err)
return nil, auth, ErrInternalError
}
// Populate the client token
resp.Auth.ClientToken = te.ID
// Set the default lease if non-provided, root tokens are exempt
if auth.Lease == 0 && !strListContains(auth.Policies, "root") {
auth.Lease = c.defaultLeaseDuration
}
// Limit the lease duration
if resp.Auth.Lease > c.maxLeaseDuration {
resp.Auth.Lease = c.maxLeaseDuration
}
// Register with the expiration manager
if err := c.expiration.RegisterAuth(req.Path, auth); err != nil {
c.logger.Printf("[ERR] core: failed to register token lease "+
"(request: %#v, response: %#v): %v", req, resp, err)
return nil, auth, ErrInternalError
}
// Attach the display name, might be used by audit backends
req.DisplayName = auth.DisplayName
}
return resp, auth, err
}
