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/*
* 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.components;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.juick.Message;
import com.juick.service.CrosspostService;
import com.juick.service.MessagesService;
import com.juick.util.MessageUtils;
import org.apache.commons.codec.CharEncoding;
import org.apache.commons.codec.binary.Base64;
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.core.env.Environment;
import org.springframework.util.Assert;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
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;
import java.security.Key;
import java.util.UUID;
/**
* @author Ugnich Anton
*/
public class Crosspost extends TextWebSocketHandler {
final static String TWITTERURL = "https://api.twitter.com/1.1/statuses/update.json";
final static String FBURL = "https://graph.facebook.com/me/feed";
final static String VKURL = "https://api.vk.com/method/wall.post";
private static Logger logger = LoggerFactory.getLogger(Crosspost.class);
private final CrosspostService crosspostService;
private final String twitter_consumer_key;
private final String twitter_consumer_secret;
@Inject
private ObjectMapper jsonMapper;
@Inject
MessagesService messagesService;
public Crosspost(final Environment env, final CrosspostService crosspostService) {
Assert.notNull(env, "Environment must be initialized");
Assert.notNull(crosspostService, "CrosspostService must be initialized");
this.crosspostService = crosspostService;
twitter_consumer_key = env.getProperty("twitter_consumer_key", StringUtils.EMPTY);
twitter_consumer_secret = env.getProperty("twitter_consumer_secret", StringUtils.EMPTY);
}
@Override
protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
Message msg = jsonMapper.readValue(message.asBytes(), Message.class);
if (msg.getMid() > 0 && msg.getRid() == 0) {
Message jmsg = messagesService.getMessage(msg.getMid());
if (StringUtils.isNotEmpty(crosspostService.getTwitterName(msg.getUser().getUid()))) {
if (jmsg.getTags().stream().noneMatch(t -> t.getName().equals("notwitter"))) {
twitterPost(jmsg);
}
}
// TODO: approve application for facebook crosspost
}
}
public boolean facebookPost(final com.juick.Message jmsg) {
String token = crosspostService.getFacebookToken(jmsg.getUser().getUid()).orElse(StringUtils.EMPTY);
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;
}
public 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;
}
public boolean twitterPost(final com.juick.Message jmsg) {
Pair<String, String> tokens = crosspostService.getTwitterTokens(jmsg.getUser().getUid()).orElse(Pair.of(StringUtils.EMPTY, StringUtils.EMPTY));
if (tokens.getLeft().isEmpty() || tokens.getRight().isEmpty()) {
return false;
}
String token = MessageUtils.percentEncode(tokens.getLeft());
String token_secret = MessageUtils.percentEncode(tokens.getRight());
logger.info("TWITTER: #{}", jmsg.getMid());
String status = MessageUtils.getMessageHashTags(jmsg) + jmsg.getText();
if (status.length() > 115) {
status = status.substring(0, 114) + "…";
}
status += " http://juick.com/" + jmsg.getMid();
status = MessageUtils.percentEncode(status);
boolean ret = false;
try {
String nonce = UUID.randomUUID().toString();
String timestamp = Long.toString(System.currentTimeMillis() / 1000L);
String signature = MessageUtils.percentEncode(twitterSignature(status, nonce, timestamp, token, token_secret));
String auth = "OAuth "
+ "oauth_consumer_key=\"" + twitter_consumer_key + "\", "
+ "oauth_nonce=\"" + nonce + "\", "
+ "oauth_signature=\"" + signature + "\", "
+ "oauth_signature_method=\"HMAC-SHA1\", "
+ "oauth_timestamp=\"" + timestamp + "\", "
+ "oauth_token=\"" + token + "\", "
+ "oauth_version=\"1.0\"";
HttpsURLConnection conn = (HttpsURLConnection) new URL(TWITTERURL).openConnection();
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("User-Agent", "Juick");
conn.setRequestProperty("Content-Length", Integer.toString(status.length() + 7));
conn.setRequestProperty("Authorization", auth);
conn.setUseCaches(false);
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.connect();
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write("status=" + status);
wr.close();
ret = IOUtils.toString(conn.getInputStream(), StandardCharsets.UTF_8) != null;
conn.disconnect();
} catch (Exception e) {
logger.error("twitterPost exception", e);
}
return ret;
}
public String twitterSignature(final String status, final String nonce, final String timestamp, final String token, final String token_secret) {
try {
// ALPHABET-SORTED
String params = "oauth_consumer_key=" + twitter_consumer_key
+ "&oauth_nonce=" + nonce
+ "&oauth_signature_method=HMAC-SHA1"
+ "&oauth_timestamp=" + timestamp
+ "&oauth_token=" + token
+ "&oauth_version=1.0"
+ "&status=" + status;
String base = "POST&" + MessageUtils.percentEncode(TWITTERURL) + "&" + MessageUtils.percentEncode(params);
String key = twitter_consumer_secret + "&" + token_secret;
Key signingKey = new SecretKeySpec(key.getBytes(), "HmacSHA1");
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(signingKey);
byte[] rawHmac = mac.doFinal(base.getBytes());
return Base64.encodeBase64String(rawHmac);
} catch (Exception e) {
logger.error("twitterSignature exception", e);
}
return null;
}
}
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