Package in.cs699.tensors.delagram.auth_service.service

Class AuthService

java.lang.Object

in.cs699.tensors.delagram.auth_service.service.AuthService

@Service
public class AuthService
extends Object

The service layer that abstracts out the business-logic for this particular micro-service

Constructor Summary

Constructors

Constructor	Description
AuthService()

Method Summary

Modifier and Type	Method	Description
void	checkEmailUnregistered(String emailId)	check if the email id is already registered
void	checkUserIDUniqueness(String userId)	checks if the userid is unique or not
void	signUp(Map<String,Object> payload)	Pushes the user data to firebase as a new user
void	validateEmailId(String emailId)	Checks if the entered email id belongs to IIT Bombay domain or not
User	verifyTokenAndGetUser(String authorizationToken)	This method is a wrapper for verifying the Firebase token, and returning the associated user object

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AuthService

public AuthService()

Method Detail

validateEmailId

public void validateEmailId(String emailId)
                     throws UserNotInScopeException

Checks if the entered email id belongs to IIT Bombay domain or not

Parameters:

emailId - email id which has to be checked for domain

Throws:

UserNotInScopeException - thrown if the email id is not in the domain of IIT Bombay

checkEmailUnregistered

public void checkEmailUnregistered(String emailId)
                            throws AuthenticationFailedException,
                                   EmailAlreadyRegistered

check if the email id is already registered

Parameters:

emailId - email id to check if it is registered

Throws:

AuthenticationFailedException - Thrown in case the authorization token is invalid

EmailAlreadyRegistered - Thrown if the email id is already registered with firebase

checkUserIDUniqueness

public void checkUserIDUniqueness(String userId)
                           throws AuthenticationFailedException,
                                  UserIDAlreadyExistsException

checks if the userid is unique or not

Parameters:

userId - userid to check uniqueness

Throws:

AuthenticationFailedException - Thrown in case the authorization token is invalid

UserIDAlreadyExistsException - Thrown if userid is already taken

signUp

public void signUp(Map<String,Object> payload)
            throws AuthenticationFailedException,
                   javax.mail.internet.AddressException,
                   javax.mail.MessagingException

Pushes the user data to firebase as a new user

Parameters:

payload - a Map which contains all the user data from the sign up form

Throws:

AuthenticationFailedException - Thrown in case the authorization token is invalid

javax.mail.internet.AddressException - Thrown in case the address is malformed

javax.mail.MessagingException - Thrown in case the verification message couldn't be sent

verifyTokenAndGetUser

public User verifyTokenAndGetUser(String authorizationToken)
                           throws AuthenticationFailedException,
                                  InternalServerException

This method is a wrapper for verifying the Firebase token, and returning the associated user object

Parameters:

authorizationToken - The token that is to be verified

Returns:

The User object

Throws:

AuthenticationFailedException - This is thrown in case the authorization token is invalid

InternalServerException - Thrown in case some error occurs while fetching the user details