FirebaseSecurity

java.lang.Object
- in.cs699.tensors.delagram.auth_service.security.FirebaseSecurity

```
@Service
public class FirebaseSecurity
extends Object
```
A generic class that encapsulates security related methods for the application

Author:

swaroop_nath

Constructor Summary

Constructors
Constructor Description

FirebaseSecurity()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`verifyToken(String authorizationToken)`	A method that verifies the Firebase Token
`void`	`verifyUser(String currentUserID, String authorizationToken)`	A service that validates the user id with the JWT that is passed on with the header of the request

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FirebaseSecurity
```
public FirebaseSecurity()
```
- Method Detail
  - verifyToken
```
public String verifyToken(String authorizationToken)
                   throws AuthenticationFailedException
```
    A method that verifies the Firebase Token
    
    Parameters:
    
    authorizationToken - The token
    
    Returns:
    
    Returns the User ID if the token is valid
    
    Throws:
    
    AuthenticationFailedException - Thrown in case the token is invalid
  - verifyUser
```
public void verifyUser(String currentUserID,
                       String authorizationToken)
                throws AuthorizationFailedException,
                       AuthenticationFailedException
```
    A service that validates the user id with the JWT that is passed on with the header of the request
    
    Parameters:
    
    currentUserID - The user id of the user logged in currently, supposedly
    
    authorizationToken - The JWT which shall be used for authorization
    
    Throws:
    
    AuthorizationFailedException - Thrown when the JWT doesn't represent the passed in user id
    
    AuthenticationFailedException - Thrown when the JWT is invalid