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package pt.agap2.custom_login; | |
import java.util.regex.Pattern; | |
import javax.servlet.http.HttpServletRequest; | |
import javax.servlet.http.HttpServletResponse; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import pt.agap2.util.EncryptConstants; | |
import pt.agap2.util.TripleDesImpl; | |
import com.liferay.portal.kernel.exception.PortalException; | |
import com.liferay.portal.kernel.exception.SystemException; | |
import com.liferay.portal.model.User; | |
import com.liferay.portal.security.auth.AutoLogin; | |
import com.liferay.portal.security.auth.AutoLoginException; | |
import com.liferay.portal.service.UserLocalServiceUtil; | |
import com.liferay.portal.util.PortalUtil; | |
public class Agap2CustomLogin implements AutoLogin { | |
Log _log = LogFactory.getLog(Agap2CustomLogin.class); | |
private final long TICKS_AT_EPOCH = 621355968000000000L; | |
private final long TICKS_PER_MILLISECOND = 10000L; | |
private final long DELTA = 30000L; | |
User user = null; | |
public String[] login(HttpServletRequest request, | |
HttpServletResponse response) throws AutoLoginException { | |
String[] credentials = null; | |
long companyId = PortalUtil.getCompanyId(request); | |
String authEncStr = request.getParameter("auth"); | |
Long currentTimeInMilliseconds = System.currentTimeMillis(); | |
String authDEncStr = TripleDesImpl.decrypt(authEncStr, | |
EncryptConstants.CRYPT_KEY); | |
String userName = null; | |
if (authDEncStr != null | |
&& Pattern | |
.compile( | |
Pattern.quote(EncryptConstants.SHARED_EXTERNAL_SITES_GUID), | |
Pattern.CASE_INSENSITIVE).matcher(authDEncStr) | |
.find()) { | |
authDEncStr = authDEncStr | |
.substring(EncryptConstants.SHARED_EXTERNAL_SITES_GUID | |
.length()); | |
String strTicks = authDEncStr | |
.substring(authDEncStr.indexOf("-") + 1); | |
long ticks = Long.valueOf(strTicks); | |
long requestTimeInMiliseconds = (ticks - TICKS_AT_EPOCH) | |
/ TICKS_PER_MILLISECOND; | |
// a string de autenticação apenas é válida por DELTA segundos | |
// depois de gerada. | |
if ((currentTimeInMilliseconds - requestTimeInMiliseconds) <= DELTA) | |
userName = authDEncStr.substring(0, authDEncStr.indexOf("-")); | |
else | |
throw new AutoLoginException("Time Exceeded"); | |
} | |
try { | |
user = UserLocalServiceUtil | |
.getUserByScreenName(companyId, userName); | |
} catch (NoSuchUserException e) { | |
throw new AutoLoginException("Invalid User", e); | |
} catch (PortalException e2) { | |
throw new AutoLoginException(e2); | |
} catch (SystemException e3) { | |
throw new AutoLoginException(e3); | |
} | |
if (user != null) { | |
long userId = user.getUserId(); | |
String password = user.getPassword(); | |
credentials = new String[3]; | |
credentials[0] = Long.toString(userId); | |
credentials[1] = password; | |
credentials[2] = Boolean.TRUE.toString(); | |
return credentials; | |
} | |
} | |
} |
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