io.callstats.sdk.internal.CallStatsAuthenticator Maven / Gradle / Ivy
package io.callstats.sdk.internal;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import io.callstats.sdk.CallStatsErrors;
import io.callstats.sdk.ICallStatsTokenGenerator;
import io.callstats.sdk.httpclient.CallStatsHttp2Client;
import io.callstats.sdk.internal.listeners.CallStatsHttp2ResponseListener;
import io.callstats.sdk.listeners.CallStatsInitListener;
import io.callstats.sdk.messages.AuthenticateErrorAction;
import io.callstats.sdk.messages.AuthenticateErrorActionDeserializer;
import io.callstats.sdk.messages.AuthenticateErrorActionType;
import io.callstats.sdk.messages.AuthenticateResponse;
import io.callstats.sdk.messages.AuthenticateResponseError;
import io.callstats.sdk.messages.AuthenticateRetryActionParams;
import okhttp3.Response;
/**
* The Class CallStatsAuthenticator.
*/
public class CallStatsAuthenticator {
/** The Constant logger. */
private static final Logger logger = LogManager.getLogger("CallStatsAuthenticator");
/** The Constant authorizeUrl. */
private static final String authenticateUrl = "/authenticate";
/** The listener. */
private CallStatsInitListener listener;
/** The authentication retry timeout. */
private int authenticationRetryTimeout = 5000;
/** The Constant scheduler. */
private static final ScheduledExecutorService scheduler =
Executors.newSingleThreadScheduledExecutor();
/** The gson. */
private Gson gson;
/** The token. */
private String token;
/** The expires. */
private String expires;
/** The app id. */
private int appId;
/** The bridge id. */
private String bridgeId;
/** The http client. */
private CallStatsHttp2Client httpClient;
private String authErrString = "SDK Authentication Error";
private String authSuccessString = "SDK authentication successful";
private Boolean isAuthenticationInProgress = false;
private ICallStatsTokenGenerator tokenGenerator;
private boolean forcenewtoken = false;
/**
* Gets the token.
*
* @return the token
*/
public String getToken() {
return token;
}
/**
* Sets the token.
*
* @param token the new token
*/
public void setToken(String token) {
this.token = token;
}
/**
* Gets the expires.
*
* @return the expires
*/
public String getExpires() {
return expires;
}
/**
* Sets the expires.
*
* @param expires the new expires
*/
public void setExpires(String expires) {
this.expires = expires;
}
/**
* Instantiates a new call stats authenticator.
*
* @param appId the app id
* @param appSecret the app secret
* @param bridgeId the bridge id
* @param httpClient the http client
* @param listener the listener
*/
public CallStatsAuthenticator(final int appId, final String appSecret, final String bridgeId,
final CallStatsHttp2Client httpClient, CallStatsInitListener listener) {
this.listener = listener;
this.appId = appId;
this.bridgeId = bridgeId;
this.httpClient = httpClient;
gson = new GsonBuilder().registerTypeAdapter(AuthenticateErrorAction.class,
new AuthenticateErrorActionDeserializer()).create();
}
/**
* Instantiates a new call stats authenticator.
*
* @param appId the app id
* @param tokenGenerator tokken generator
* @param bridgeId the bridge id
* @param httpClient the http client
* @param listener the listener
*/
public CallStatsAuthenticator(final int appId, ICallStatsTokenGenerator tokenGenerator,
final String bridgeId, final CallStatsHttp2Client httpClient,
CallStatsInitListener listener) {
this.tokenGenerator = tokenGenerator;
this.listener = listener;
this.appId = appId;
this.bridgeId = bridgeId;
this.httpClient = httpClient;
gson = new GsonBuilder().registerTypeAdapter(AuthenticateErrorAction.class,
new AuthenticateErrorActionDeserializer()).create();
}
/**
* Do authentication.
*/
public void doAuthentication() {
if (!isAuthenticationInProgress) {
sendAsyncAuthenticationRequest(appId, bridgeId, httpClient);
}
}
/**
* Schedule authentication.
*
* @param appId the app id
* @param appSecret the app secret
* @param bridgeId the bridge id
* @param httpClient the http client
*/
private void scheduleAuthentication(final int appId, final String bridgeId,
final CallStatsHttp2Client httpClient) {
scheduler.schedule(new Runnable() {
public void run() {
sendAsyncAuthenticationRequest(appId, bridgeId, httpClient);
}
}, authenticationRetryTimeout, TimeUnit.MILLISECONDS);
}
/**
* Send async authentication request.
*
* @param appId the app id
* @param appSecret the app secret
* @param bridgeId the bridge id
* @param httpClient the http client
*/
private void sendAsyncAuthenticationRequest(final int appId, final String bridgeId,
final CallStatsHttp2Client httpClient) {
synchronized (isAuthenticationInProgress) {
if (isAuthenticationInProgress)
return;
isAuthenticationInProgress = true;
}
List params = new ArrayList();
params.add(new NameValuePair("client_id", bridgeId + "@" + appId));
params.add(new NameValuePair("code", tokenGenerator.generateToken(forcenewtoken)));
params.add(new NameValuePair("grant_type", "authorization_code"));
httpClient.sendAuthRequest(authenticateUrl, params, new CallStatsHttp2ResponseListener() {
public void onResponse(Response response) {
isAuthenticationInProgress = false;
int responseStatus = response.code();
if (responseStatus == CallStatsResponseStatus.RESPONSE_STATUS_SUCCESS) {
AuthenticateResponse authResponseMessage;
String responseString;
try {
responseString = response.body().string();
authResponseMessage = gson.fromJson(responseString, AuthenticateResponse.class);
} catch (Exception e) {
e.printStackTrace();
listener.onError(CallStatsErrors.HTTP_ERROR, e.getMessage());
scheduleAuthentication(appId, bridgeId, httpClient);
return;
}
logger.info(
"Authentication response " + responseStatus + " " + authResponseMessage.getToken());
// expires = authResponseMessage.getAuthenticateBody().getExpires();
token = authResponseMessage.getToken();
CallStatsConfigProvider.setURLs(authResponseMessage.getMetadata().getEventsUrl(),
authResponseMessage.getMetadata().getStatsUrl());
listener.onInitialized(authSuccessString);
} else if (responseStatus == CallStatsResponseStatus.INVALID_REQUEST) {
AuthenticateResponseError authResponseMessageError;
String responseString;
try {
responseString = response.body().string();
authResponseMessageError =
gson.fromJson(responseString, AuthenticateResponseError.class);
} catch (Exception e) {
e.printStackTrace();
listener.onError(CallStatsErrors.HTTP_ERROR, e.getMessage());
scheduleAuthentication(appId, bridgeId, httpClient);
return;
}
for (AuthenticateErrorAction action : authResponseMessageError.getErrorActions()) {
if (action.getAction() == AuthenticateErrorActionType.GET_NEW_TOKEN) {
forcenewtoken = true;
} else if (action.getAction() == AuthenticateErrorActionType.RETRY) {
authenticationRetryTimeout =
((AuthenticateRetryActionParams) action.getParams()).getTimeout();
scheduleAuthentication(appId, bridgeId, httpClient);
}
}
listener.onError(CallStatsErrors.AUTH_ERROR, authErrString);
} else if (responseStatus == CallStatsResponseStatus.GATEWAY_ERROR) {
scheduleAuthentication(appId, bridgeId, httpClient);
listener.onError(CallStatsErrors.APP_CONNECTIVITY_ERROR, authErrString);
} else {
scheduleAuthentication(appId, bridgeId, httpClient);
listener.onError(CallStatsErrors.HTTP_ERROR, authErrString);
}
}
public void onFailure(Exception e) {
isAuthenticationInProgress = false;
listener.onError(CallStatsErrors.HTTP_ERROR, e.getMessage());
}
});
}
}
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