api: merge crosspost application

2 files changed, 166 insertions, 0 deletions

diff --git a/juick-api/build.gradle b/juick-api/build.gradle
index 39475d94..bba2be89 100644
--- a/juick-api/build.gradle
+++ b/juick-api/build.gradle
@@ -17,6 +17,7 @@ dependencies {
 
     compile 'com.github.pengrad:java-telegram-bot-api:3.5.2'
     compile 'com.github.messenger4j:messenger4j:1.0.0-M2'
+    compile "org.springframework.social:spring-social-twitter:1.1.2.RELEASE"
     compile 'org.apache.commons:commons-email:1.5'
     compile 'org.imgscalr:imgscalr-lib:4.2'
 
diff --git a/juick-api/src/main/java/com/juick/api/CrosspostManager.java b/juick-api/src/main/java/com/juick/api/CrosspostManager.java
new file mode 100644
index 00000000..13f21074
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/CrosspostManager.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.api;
+
+import com.juick.Message;
+import com.juick.server.component.MessageEvent;
+import com.juick.service.CrosspostService;
+import com.juick.util.MessageUtils;
+import org.apache.commons.codec.CharEncoding;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.tuple.Pair;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationListener;
+import org.springframework.social.twitter.api.Twitter;
+import org.springframework.social.twitter.api.impl.TwitterTemplate;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import javax.net.ssl.HttpsURLConnection;
+import java.io.OutputStreamWriter;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * @author Ugnich Anton
+ */
+@Component
+public class CrosspostManager implements ApplicationListener<MessageEvent> {
+    private final static String FBURL = "https://graph.facebook.com/me/feed";
+    private final static String VKURL = "https://api.vk.com/method/wall.post";
+
+    private static Logger logger = LoggerFactory.getLogger(CrosspostManager.class);
+
+    @Inject
+    private CrosspostService crosspostService;
+
+    @Value("${twitter_consumer_key:}")
+    private String twitter_consumer_key;
+    @Value("${twitter_consumer_secret:}")
+    private String twitter_consumer_secret;
+
+    @Override
+    public void onApplicationEvent(@Nonnull MessageEvent event) {
+        Message msg = event.getMessage();
+        if (msg.getMid() > 0 && msg.getRid() == 0) {
+            if (StringUtils.isNotEmpty(crosspostService.getTwitterName(msg.getUser().getUid()))) {
+                if (msg.getTags().stream().noneMatch(t -> t.getName().equals("notwitter"))) {
+                    twitterPost(msg);
+                }
+            }
+            // TODO: approve application for facebook crosspost
+        }
+    }
+
+    private boolean facebookPost(final com.juick.Message jmsg) {
+        String token = crosspostService.getFacebookTokens(jmsg.getUser().getUid())
+                .orElse(Pair.of(StringUtils.EMPTY, StringUtils.EMPTY)).getRight();
+        if (token.isEmpty()) {
+            return false;
+        }
+
+        logger.info("FB: #{}", jmsg.getMid());
+
+        String status = MessageUtils.getMessageHashTags(jmsg) + "\n" + jmsg.getText();
+
+        boolean ret = false;
+        try {
+            String body = "access_token="
+                    + URLEncoder.encode(token, CharEncoding.UTF_8)
+                    + "&message="
+                    + URLEncoder.encode(status, CharEncoding.UTF_8)
+                    + "&link=http%3A%2F%2Fjuick.com%2F"
+                    + jmsg.getMid();
+
+            HttpsURLConnection conn = (HttpsURLConnection) new URL(FBURL).openConnection();
+            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+            conn.setRequestProperty("User-Agent", "Juick");
+            conn.setRequestProperty("Content-Length", Integer.toString(body.length()));
+            conn.setUseCaches(false);
+            conn.setDoInput(true);
+            conn.setDoOutput(true);
+            conn.setRequestMethod("POST");
+            conn.connect();
+
+            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
+            wr.write(body);
+            wr.close();
+
+            ret = StringUtils.isNotEmpty(IOUtils.toString(conn.getInputStream(), StandardCharsets.UTF_8));
+
+            conn.disconnect();
+        } catch (Exception e) {
+            logger.error("fbPost exception", e);
+        }
+        return ret;
+    }
+
+    private boolean vkontaktePost(final com.juick.Message jmsg) {
+        Pair<String, String> tokens = crosspostService.getVkTokens(jmsg.getUser().getUid()).orElse(Pair.of(StringUtils.EMPTY, StringUtils.EMPTY));
+        if (tokens.getLeft().isEmpty() || tokens.getRight().isEmpty()) {
+            return false;
+        }
+
+        logger.info("VK: #", jmsg.getMid());
+
+        String status = MessageUtils.getMessageHashTags(jmsg) + "\n" + jmsg.getText() + "\nhttp://juick.com/" + jmsg.getMid();
+
+        boolean ret = false;
+        try {
+            String body = "owner_id=" + tokens.getLeft() + "&access_token=" + URLEncoder.encode(tokens.getRight(), CharEncoding.UTF_8) + "&from_group=1&message=" + URLEncoder.encode(status, CharEncoding.UTF_8);
+
+            HttpsURLConnection conn = (HttpsURLConnection) new URL(VKURL).openConnection();
+            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+            conn.setRequestProperty("User-Agent", "Juick");
+            conn.setRequestProperty("Content-Length", Integer.toString(body.length()));
+            conn.setUseCaches(false);
+            conn.setDoInput(true);
+            conn.setDoOutput(true);
+            conn.setRequestMethod("POST");
+            conn.connect();
+
+            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
+            wr.write(body);
+            wr.close();
+
+            ret = StringUtils.isNotEmpty(IOUtils.toString(conn.getInputStream(), StandardCharsets.UTF_8));
+
+            conn.disconnect();
+        } catch (Exception e) {
+            logger.error("vkPost exception", e);
+        }
+        return ret;
+    }
+
+    private void twitterPost(final com.juick.Message jmsg) {
+        crosspostService.getTwitterToken(jmsg.getUser().getUid()).ifPresent(t -> {
+            String status = MessageUtils.getMessageHashTags(jmsg) + jmsg.getText();
+            if (status.length() > 255) {
+                status = status.substring(0, 254) + "…";
+            }
+            status += " http://juick.com/" + jmsg.getMid();
+            Twitter twitter = new TwitterTemplate(twitter_consumer_key, twitter_consumer_secret, t.getToken(), t.getSecret());
+            twitter.timelineOperations().updateStatus(status);
+        });
+    }
+}