/**
* Copyright (C) 2013 Open WhisperSystems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whispersystems.textsecuregcm.auth;
import org.whispersystems.textsecuregcm.util.Base64;
import org.whispersystems.textsecuregcm.util.Util;
import java.io.IOException;
public class AuthorizationHeader {
private final String number;
private final long accountId;
private final String password;
private AuthorizationHeader(String number, long accountId, String password) {
this.number = number;
this.accountId = accountId;
this.password = password;
}
public static AuthorizationHeader fromUserAndPassword(String user, String password) throws InvalidAuthorizationHeaderException {
try {
String[] numberAndId = user.split("\\.");
return new AuthorizationHeader(numberAndId[0],
numberAndId.length > 1 ? Long.parseLong(numberAndId[1]) : 1,
password);
} catch (NumberFormatException nfe) {
throw new InvalidAuthorizationHeaderException(nfe);
}
}
public static AuthorizationHeader fromFullHeader(String header) throws InvalidAuthorizationHeaderException {
try {
if (header == null) {
throw new InvalidAuthorizationHeaderException("Null header");
}
String[] headerParts = header.split(" ");
if (headerParts == null || headerParts.length < 2) {
throw new InvalidAuthorizationHeaderException("Invalid authorization header: " + header);
}
if (!"Basic".equals(headerParts[0])) {
throw new InvalidAuthorizationHeaderException("Unsupported authorization method: " + headerParts[0]);
}
String concatenatedValues = new String(Base64.decode(headerParts[1]));
if (Util.isEmpty(concatenatedValues)) {
throw new InvalidAuthorizationHeaderException("Bad decoded value: " + concatenatedValues);
}
String[] credentialParts = concatenatedValues.split(":");
if (credentialParts == null || credentialParts.length < 2) {
throw new InvalidAuthorizationHeaderException("Badly formated credentials: " + concatenatedValues);
}
return fromUserAndPassword(credentialParts[0], credentialParts[1]);
} catch (IOException ioe) {
throw new InvalidAuthorizationHeaderException(ioe);
}
}
public String getNumber() {
return number;
}
public long getDeviceId() {
return accountId;
}
public String getPassword() {
return password;
}
}