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package com.juick.components;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.juick.components.mpns.MPNSError;
import com.juick.components.mpns.MPNSToken;
import org.apache.http.*;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
/**
* Created by vital on 29.03.2017.
*/
public class MPNSClient {
private static Logger logger = LoggerFactory.getLogger(MPNSClient.class);
private String accessToken;
private NotificationClientListener listener;
@Inject
private ObjectMapper jsonMapper;
@Value("${wns_application_sip}")
private String applicationSip;
@Value("${wns_client_secret}")
private String applicationSecret;
@PostConstruct
public void authenticate() throws IOException {
HttpClient client = HttpClientBuilder.create().build();
String url = "https://login.live.com/accesstoken.srf";
List<NameValuePair> formParams = new ArrayList<>();
formParams.add(new BasicNameValuePair("grant_type", "client_credentials"));
formParams.add(new BasicNameValuePair("client_id", applicationSip));
formParams.add(new BasicNameValuePair("client_secret", applicationSecret));
formParams.add(new BasicNameValuePair("scope", "notify.windows.com"));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Consts.UTF_8);
HttpPost httppost = new HttpPost(url);
httppost.setEntity(entity);
HttpResponse response = client.execute(httppost);
int statusCode = response.getStatusLine().getStatusCode();
String responseContent = EntityUtils.toString(response.getEntity(), Consts.UTF_8);
if (statusCode != HttpStatus.SC_OK) {
MPNSError error = jsonMapper.readValue(responseContent, MPNSError.class);
throw new IOException(error.getError() + ": " + error.getErrorDescription());
}
MPNSToken token = jsonMapper.readValue(responseContent, MPNSToken.class);
if (token.getTokenType().length() >= 1) {
token.setTokenType(Character.toUpperCase(token.getTokenType().charAt(0)) + token.getTokenType().substring(1));
}
accessToken = token.getTokenType() + " " + token.getAccessToken();
logger.info("MPNS authenticated");
}
void sendNotification(final String url, final String xml) throws IOException {
HttpClient client = HttpClientBuilder.create().build();
StringEntity entity = new StringEntity(xml, Consts.UTF_8);
HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("Content-Type", "text/xml");
httpPost.setHeader("Authorization", accessToken);
httpPost.setHeader("X-WNS-Type", "wns/toast");
httpPost.setEntity(entity);
HttpResponse response = client.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
if (statusCode == HttpStatus.SC_GONE) {
// expired
logger.info("{} is scheduled to remove", url);
listener.invalidToken("mpns", url);
} else {
String headersContent = stringifyWnsHttpHeaders(response.getAllHeaders());
throw new IOException(headersContent);
}
}
}
private String stringifyWnsHttpHeaders(final Header[] allHeaders) {
return Arrays.stream(allHeaders)
.filter(x -> x.getName().startsWith("X-WNS-") || x.getName().startsWith("WWW-"))
.map(x -> x.getName() + ": " + x.getValue())
.collect(Collectors.joining("\n"));
}
public void setListener(NotificationClientListener listener) {
this.listener = listener;
}
}
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