notifications server refactoring

1 files changed, 163 insertions, 0 deletions

diff --git a/juick-notifications/src/main/java/com/juick/components/MPNSManager.java b/juick-notifications/src/main/java/com/juick/components/MPNSManager.java
new file mode 100644
index 00000000..56c2df8d
--- /dev/null
+++ b/juick-notifications/src/main/java/com/juick/components/MPNSManager.java
@@ -0,0 +1,163 @@
+package com.juick.components;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.juick.ExternalToken;
+import com.juick.User;
+import com.juick.components.mpns.MPNSError;
+import com.juick.components.mpns.MPNSToken;
+import com.juick.service.component.*;
+import com.juick.util.MessageUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.text.StringEscapeUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.*;
+import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Created by vital on 29.03.2017.
+ */
+public class MPNSManager implements NotificationListener {
+
+    private static Logger logger = LoggerFactory.getLogger(MPNSManager.class);
+
+    private String accessToken;
+
+    @Inject
+    private ObjectMapper jsonMapper;
+    @Value("${wns_application_sip:}")
+    private String applicationSip;
+    @Value("${wns_client_secret:}")
+    private String applicationSecret;
+    private RestTemplate wnsService;
+
+    @Inject
+    private NotificationsManager notificationsManager;
+
+    @PostConstruct
+    public void authenticate() throws IOException {
+        String url = "https://login.live.com/accesstoken.srf";
+        MultiValueMap<String, String> form = new LinkedMultiValueMap<>();
+        form.add("grant_type", "client_credentials");
+        form.add("client_id", applicationSip);
+        form.add("client_secret", applicationSecret);
+        form.add("scope", "notify.windows.com");
+        HttpHeaders httpHeaders = new HttpHeaders();
+        httpHeaders.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+        wnsService = new RestTemplate();
+        wnsService.getMessageConverters().add(new StringHttpMessageConverter(StandardCharsets.UTF_8));
+        HttpEntity<MultiValueMap<String, String>> entity = new HttpEntity<>(form, httpHeaders);
+        ResponseEntity<String> response = wnsService.exchange(url, HttpMethod.POST, entity, String.class);
+        String responseBody = response.getBody();
+        HttpStatus statusCode = response.getStatusCode();
+        if (statusCode != HttpStatus.OK) {
+            MPNSError error = jsonMapper.readValue(responseBody, MPNSError.class);
+            throw new IOException(error.getError() + ": " + error.getErrorDescription());
+        }
+        MPNSToken token = jsonMapper.readValue(responseBody, 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 {
+        HttpHeaders httpHeaders = new HttpHeaders();
+        httpHeaders.setContentType(new MediaType("text", "xml", StandardCharsets.UTF_8));
+        httpHeaders.set("Authorization", accessToken);
+        httpHeaders.set("X-WNS-Type", "wns/toast");
+        HttpEntity<String> requestEntity = new HttpEntity<>(xml, httpHeaders);
+        try {
+            UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);
+            wnsService.exchange(builder.build(true).toUri(), HttpMethod.POST, requestEntity, Void.class);
+        } catch (HttpClientErrorException ex) {
+            HttpStatus statusCode = ex.getStatusCode();
+            if (statusCode == HttpStatus.GONE) {
+                // expired
+                logger.info("{} is scheduled to remove", url);
+                notificationsManager.addInvalidMPNSToken(url);
+            } else {
+                String headersContent = ex.getResponseHeaders().entrySet().stream()
+                        .filter(x -> x.getKey().startsWith("X-WNS-") || x.getKey().startsWith("WWW-"))
+                                        .map(x -> x.getKey() + ": " + String.join(",", x.getValue()))
+                                        .collect(Collectors.joining("\n"));
+                throw new IOException(headersContent);
+            }
+        }
+    }
+
+    @Override
+    public void processMessageEvent(MessageEvent messageEvent) {
+        com.juick.Message jmsg = messageEvent.getMessage();
+        List<User> users = messageEvent.getUsers();
+
+        List<String> urls = users.stream().flatMap(u -> u.getTokens().stream()).filter(d -> d.getType().equals("mpns"))
+                .map(ExternalToken::getToken).collect(Collectors.toList());
+
+        if (urls.isEmpty()) {
+            logger.info("WNS: no recipients");
+        } else {
+            try {
+                String text1 = "@" + jmsg.getUser().getName();
+                if (!jmsg.getTags().isEmpty()) {
+                    text1 += ":" + StringEscapeUtils.escapeXml11(MessageUtils.getTagsString(jmsg));
+                }
+                String text2 = StringEscapeUtils.escapeXml11(StringUtils.defaultString(jmsg.getText()));
+                String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+                        + "<toast>"
+                        + "<visual>"
+                        + "<binding template=\"ToastImageAndText02\">"
+                        + "<image id=\"1\" src=\"http://i.juick.com/as/" + jmsg.getUser().getUid() + ".png\" />"
+                        + "<text id=\"1\">" + text1 + "</text>"
+                        + "<text id=\"2\">" + text2 + "</text>"
+                        + "</binding>"
+                        + "</visual>"
+                        + "<commands>"
+                        + "<command arguments=\"/ThreadView.xaml?mid=" + jmsg.getMid() + "\" />"
+                        + "</commands>"
+                        + "</toast>";
+                logger.trace(xml);
+                for (String url : urls) {
+                    logger.info("WNS: {}", url);
+                    sendNotification(url, xml);
+                }
+            } catch (IOException | IllegalStateException ex) {
+                logger.error("WNS: ", ex);
+            }
+        }
+    }
+
+    @Override
+    public void processSubscribeEvent(SubscribeEvent subscribeEvent) {
+
+    }
+
+    @Override
+    public void processLikeEvent(LikeEvent likeEvent) {
+
+    }
+
+    @Override
+    public void processPingEvent(PingEvent pingEvent) {
+
+    }
+
+    @Override
+    public void processMessageReadEvent(MessageReadEvent messageReadEvent) {
+
+    }
+}