public void handleAuthorizationCodeResult(String resultUrl, String redirectUrl)
throws IOException {
AuthorizationCodeResponseUrl responseUrl = new AuthorizationCodeResponseUrl(resultUrl);
String code = responseUrl.getCode();
if (responseUrl.getError() != null || code == null) {
throw new IllegalArgumentException("Error response received.");
} else {
TokenResponse response = flow.newTokenRequest(code).setRedirectUri(redirectUrl).execute();
Credential credential = flow.createAndStoreCredential(response, userId);
System.out.println(credential);
}
}
protected final void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
StringBuffer buf = req.getRequestURL();
if (req.getQueryString() != null) {
buf.append('?').append(req.getQueryString());
}
AuthorizationCodeResponseUrl responseUrl = new AuthorizationCodeResponseUrl(buf.toString());
String code = responseUrl.getCode();
if (responseUrl.getError() != null) {
String state = URLDecoder.decode(req.getParameter("state"), "UTF-8");
String[] params = state.split("\\|");
resp.sendRedirect(params[1]);
} else if (code == null) {
resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
resp.getWriter().print("Missing authorization code");
} else {
String redirectUri = ServletUtils.getRedirectUri(req);
lock.lock();
try {
if (flow == null) {
flow = ServletUtils.newFlow();
}
TokenResponse response = flow.newTokenRequest(code).setRedirectUri(redirectUri).execute();
HttpSession sess = req.getSession(true);
Credential credential = flow.createAndStoreCredential(response, sess.getId());
String[] params = URLDecoder.decode(req.getParameter("state"), "UTF-8").split("\\|");
String client = params[2];
String email = ServletUtils.getEmail(credential);
UserEntity user = User.get(client, email);
if (user != null) {
sess.setAttribute("login", email);
sess.setAttribute("loginType", "google");
}
resp.sendRedirect(params[0]);
} finally {
lock.unlock();
}
}
}
