public String getEmail(String authProvider, HttpApi http, String callback) throws IOException {
try {
Properties props = getProperties();
String emailScope = props.getProperty(String.format(EMAIL_SCOPE_KEY_FORMAT, authProvider));
if (emailScope == null) {
throw new UnsupportedOperationException("There is no email scope for this provider");
}
DefaultOAuthPlugin plugin = getOauthPlugin(authProvider);
if (plugin == null) {
http.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
return null;
}
plugin.setScope(emailScope);
final String userDataJson = doOauthWithCallback(http, plugin, callback);
if (userDataJson != null) {
LOGGER.log(Level.FINE, "json from login service=" + userDataJson);
JSONObject json = new JSONObject(userDataJson);
if (plugin.isResponseOk(json)) {
return plugin.getEmail(json);
}
}
return null;
} catch (JSONException
| ClassNotFoundException
| InstantiationException
| IllegalAccessException
| IllegalArgumentException
| InvocationTargetException
| NoSuchMethodException
| SecurityException e) {
LOGGER.log(Level.SEVERE, "", e);
http.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
return null;
}
}
