/**
* Adds authentication credentials to the connection.
*
* <p>For basic auth credentials, both username *and* password must be set in order for this to
* happen and it is an error for only one to be set.
*
* @throws AssertionError if precisely one of {username, password} is set.
*/
private void addAuthToConnection(HttpURLConnection connection) {
if (loginInfo.getUserId() != null && loginInfo.getPassword() == null) {
throw new AssertionError(
"userId is set but password is null. Either both or neither must be set.");
}
if (loginInfo.getUserId() == null && loginInfo.getPassword() != null) {
throw new AssertionError(
"password is set but userId is null. Either both or neither must be set.");
}
// The username and password are added to the connection as a basic auth
// Authorization header
if (loginInfo.getUserId() != null && loginInfo.getPassword() != null) {
String userpass = loginInfo.getUserId() + ":" + loginInfo.getPassword();
String basicAuth =
"Basic "
+ javax.xml.bind.DatatypeConverter.printBase64Binary(
userpass.getBytes(Charset.forName("UTF-8")));
connection.setRequestProperty("Authorization", basicAuth);
}
// If a proxy is defined and a userid and password are defined add the proxy
// authorisation to the connection.
if ((loginInfo.getProxy() != null)
&& (loginInfo.getProxy().getProxyUserid() != null)
&& (loginInfo.getProxy().getProxyPassword() != null)) {
String proxyUser = loginInfo.getProxy().getProxyUserid();
String proxyPwd = loginInfo.getProxy().getProxyPassword();
String proxyUidAndPwd = proxyUser + ":" + proxyPwd;
String proxyBasicAuth =
"Basic "
+ javax.xml.bind.DatatypeConverter.printBase64Binary(
proxyUidAndPwd.getBytes(Charset.forName("UTF-8")));
connection.setRequestProperty("Proxy-Authorization", proxyBasicAuth);
}
}
