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package com.codeborne.security.mobileid;
import com.codeborne.security.AuthenticationException;
import com.codeborne.security.digidoc.DigiDocServicePortType;
import com.codeborne.security.digidoc.DigiDocService_Service;
import com.codeborne.security.digidoc.DigiDocService_ServiceLocator;
import javax.xml.rpc.ServiceException;
import javax.xml.rpc.holders.IntHolder;
import javax.xml.rpc.holders.StringHolder;
import java.net.MalformedURLException;
import java.net.URL;
import java.rmi.RemoteException;
import static com.codeborne.security.AuthenticationException.Code.*;
/**
* Authenticates with Mobile-ID.<br>
* Can be used as a preconfigured singleton (eg Spring bean).<br>
* <p>Use {@link #startLogin} to initiate the login session and display challenge to the user,
* then {@link #waitForLogin(MobileIDSession)} to wait for the authentication to complete.</p>
* <p>Various setters can be used to configure the behaviour.</p>
*/
public class MobileIDAuthenticator {
private String language = "EST";
private String serviceName = "Testimine";
private String loginMessage = "";
private int retryCount = 60;
private int pollIntervalMs = 3000;
private final String messagingMode = "asynchClientServer";
DigiDocServicePortType service;
public MobileIDAuthenticator() {
}
public MobileIDAuthenticator(String digidocServiceURL) {
setDigidocServiceURL(digidocServiceURL);
}
public MobileIDAuthenticator(String digidocServiceURL, String serviceName) {
setDigidocServiceURL(digidocServiceURL);
this.serviceName = serviceName;
}
public MobileIDAuthenticator(URL digidocServiceURL) {
setDigidocServiceURL(digidocServiceURL);
}
public MobileIDAuthenticator(URL digidocServiceURL, String serviceName) {
setDigidocServiceURL(digidocServiceURL);
this.serviceName = serviceName;
}
public final MobileIDAuthenticator setDigidocServiceURL(String digidocServiceURL) {
try {
return setDigidocServiceURL(new URL(digidocServiceURL));
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}
public final MobileIDAuthenticator setDigidocServiceURL(URL digidocServiceURL) {
DigiDocService_Service digiDocService = new DigiDocService_ServiceLocator();
try {
service = digiDocService.getDigiDocService(digidocServiceURL);
}
catch (ServiceException e) {
throw new RuntimeException("Failed to initialize Mobile-ID support", e);
}
return this;
}
public void setLanguage(String language) {
this.language = language;
}
public void setServiceName(String serviceName) {
this.serviceName = serviceName;
}
public void setLoginMessage(String loginMessage) {
this.loginMessage = loginMessage;
}
public void setRetryCount(int retryCount) {
this.retryCount = retryCount;
}
public void setPollIntervalMs(int pollIntervalMs) {
this.pollIntervalMs = pollIntervalMs;
}
/**
* Initiates the login session. Note: returned session already contains user's info, but the authenticity is not yet verified.
*
* @param personalCode user's personal code
* @param countryCode two letter country code, eg EE
* @throws AuthenticationException is authentication unsuccessful
* @return MobileIDSession instance containing CHALLENGE ID that should be shown to the user
*/
public MobileIDSession startLogin(String personalCode, String countryCode) {
return startLogin(personalCode, countryCode, null);
}
/**
* Initiates the login session. Note: returned session already contains user's info, but the authenticity is not yet verified.
*
* @param phone phone number, either a local one (work for EE) or with country code (eg +37255667788).
* @throws AuthenticationException is authentication unsuccessful
* @return MobileIDSession instance containing CHALLENGE ID that should be shown to the user
*/
public MobileIDSession startLogin(String phone) {
return startLogin(null, null, phone);
}
protected MobileIDSession startLogin(String personalCode, String countryCode, String phone) {
if (service == null) {
throw new IllegalStateException("digidocServiceURL is not initialized");
}
if (phone != null) {
if (phone.startsWith("+")) phone = phone.substring(1);
if (!phone.startsWith("372")) phone = "372" + phone;
}
IntHolder sessCode = new IntHolder();
StringHolder result = new StringHolder();
StringHolder firstName = new StringHolder();
StringHolder lastName = new StringHolder();
StringHolder personalCodeHolder = new StringHolder();
StringHolder challenge = new StringHolder();
try {
service.mobileAuthenticate(personalCode, countryCode, phone, language, serviceName, loginMessage, generateSPChallenge(),
messagingMode, 0, false, false, sessCode, result,
personalCodeHolder, firstName, lastName, new StringHolder(), new StringHolder(), new StringHolder(), challenge,
new StringHolder(), new StringHolder());
}
catch (RemoteException e) {
throw new AuthenticationException(e);
}
if (!"OK".equals(result.value))
throw new AuthenticationException(valueOf(result.value));
return new MobileIDSession(sessCode.value, challenge.value, firstName.value, lastName.value, personalCodeHolder.value);
}
protected String generateSPChallenge() {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 20; i++) sb.append((int) (Math.random() * 10));
return sb.toString();
}
/**
* Waits until user confirms their identity using the mobile device.
* <p>This is a blocking version of {@link #isLoginComplete(MobileIDSession)}
*
* @param session previously returned by {@link #startLogin}
* @throws AuthenticationException is authentication unsuccessful
* @return MobileIDSession instance containing user name and personal code
*/
public MobileIDSession waitForLogin(MobileIDSession session) {
int tryCount = 0;
while (sleep(pollIntervalMs) && !isLoginComplete(session) && tryCount < retryCount) {
tryCount++;
}
if (tryCount >= retryCount)
throw new AuthenticationException(valueOf(getLoginStatus(session).value));
return session;
}
/**
* Checks whether login is already complete.
* <p>This is a non-blocking version of {@link #waitForLogin(MobileIDSession)}
*
* @param session previously returned by {@link #startLogin}
* @return true if login successful
*/
public boolean isLoginComplete(MobileIDSession session) {
StringHolder status = getLoginStatus(session);
if ("OUTSTANDING_TRANSACTION".equals(status.value))
return false;
else if ("USER_AUTHENTICATED".equals(status.value))
return true;
else
throw new AuthenticationException(valueOf(status.value));
}
private StringHolder getLoginStatus(MobileIDSession session) {
StringHolder status = new StringHolder("OUTSTANDING_TRANSACTION");
try {
service.getMobileAuthenticateStatus(session.sessCode, false, status, new StringHolder());
}
catch (RemoteException e) {
throw new AuthenticationException(e);
}
return status;
}
boolean sleep(int sleepTimeMilliseconds) {
try {
Thread.sleep(sleepTimeMilliseconds);
return true;
}
catch (InterruptedException e) {
return false;
}
}
}