---
displayed_sidebar: servicesSidebar
---
import ParameterTypes from "@site/src/components/ParameterTypes"
# AuthService
Can authenticate a user based on email password combination
## constructor
### Parameters
___
## Properties
`",
"description": "",
"optional": true,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "__container__",
"type": "`any`",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "__moduleDeclaration__",
"type": "`Record`",
"description": "",
"optional": true,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "customerService_",
"type": "[CustomerService](services.CustomerService.mdx)",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "manager_",
"type": "`EntityManager`",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "transactionManager_",
"type": "`undefined` \\| `EntityManager`",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "userService_",
"type": "[UserService](services.UserService.mdx)",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
}
]} />
___
## Accessors
### activeManager\_
#### Returns
___
## Methods
### atomicPhase\_
Wraps some work within a transactional block. If the service already has
a transaction manager attached this will be reused, otherwise a new
transaction manager is created.
#### Type Parameters
#### Parameters
Promise<TResult>",
"description": "the transactional work to be done",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "isolationOrErrorHandler",
"type": "`IsolationLevel` \\| (`error`: `TError`) => Promise<void \\| TResult>",
"description": "the isolation level to be used for the work.",
"optional": true,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "maybeErrorHandlerOrDontFail",
"type": "(`error`: `TError`) => Promise<void \\| TResult>",
"description": "Potential error handler",
"optional": true,
"defaultValue": "",
"expandable": false,
"children": []
}
]} />
#### Returns
___
### authenticate
Authenticates a given user based on an email, password combination. Uses
scrypt to match password with hashed value.
#### Parameters
#### Returns
___
### authenticateAPIToken
Authenticates a given user with an API token
#### Parameters
#### Returns
___
### authenticateCustomer
Authenticates a customer based on an email, password combination. Uses
scrypt to match password with hashed value.
#### Parameters
#### Returns
___
### comparePassword\_
Verifies if a password is valid given the provided password hash
#### Parameters
#### Returns
___
### shouldRetryTransaction\_
#### Parameters
` \\| `object`",
"description": "",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
}
]} />
#### Returns
___
### withTransaction
#### Parameters
#### Returns