From d25ab2c9f881aad6acce16b9150ed884472f3dc8 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Mon, 27 Mar 2017 16:31:22 +0300
Subject: juick-api: Messenger bot webhook

---
 .../src/main/java/com/juick/api/MessengerBot.java  | 16 +++++++++
 .../api/configuration/ApiAppConfiguration.java     |  8 +++++
 .../juick/api/configuration/ApiSecurityConfig.java |  2 +-
 .../juick/api/controllers/MessengerWebhook.java    | 42 ++++++++++++++++++++++
 4 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 juick-api/src/main/java/com/juick/api/MessengerBot.java
 create mode 100644 juick-api/src/main/java/com/juick/api/controllers/MessengerWebhook.java

diff --git a/juick-api/src/main/java/com/juick/api/MessengerBot.java b/juick-api/src/main/java/com/juick/api/MessengerBot.java
new file mode 100644
index 00000000..639adb12
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/MessengerBot.java
@@ -0,0 +1,16 @@
+package com.juick.api;
+
+/**
+ * Created by vitalyster on 27.03.2017.
+ */
+public class MessengerBot {
+    private String verifyToken;
+
+    public String getVerifyToken() {
+        return verifyToken;
+    }
+
+    public void setVerifyToken(String verifyToken) {
+        this.verifyToken = verifyToken;
+    }
+}
diff --git a/juick-api/src/main/java/com/juick/api/configuration/ApiAppConfiguration.java b/juick-api/src/main/java/com/juick/api/configuration/ApiAppConfiguration.java
index 5ca1def1..382b3df5 100644
--- a/juick-api/src/main/java/com/juick/api/configuration/ApiAppConfiguration.java
+++ b/juick-api/src/main/java/com/juick/api/configuration/ApiAppConfiguration.java
@@ -1,6 +1,7 @@
 package com.juick.api.configuration;
 
 import com.juick.api.ApiServer;
+import com.juick.api.MessengerBot;
 import com.juick.api.TGBot;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
@@ -33,6 +34,13 @@ public class ApiAppConfiguration {
         return new TGBot(env.getProperty("telegram_token", StringUtils.EMPTY));
     }
 
+    @Bean
+    public MessengerBot fbBot() {
+        MessengerBot bot = new MessengerBot();
+        bot.setVerifyToken(env.getProperty("fb_verify_token", StringUtils.EMPTY));
+        return bot;
+    }
+
     private static final String WS_URI = "wss://ws.juick.com/";
 
     @Bean
diff --git a/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java b/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
index 48d79e27..a8dacb03 100644
--- a/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
+++ b/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
@@ -44,7 +44,7 @@ public class ApiSecurityConfig extends WebSecurityConfigurerAdapter {
     protected void configure(HttpSecurity http) throws Exception {
         http.authorizeRequests()
                 .antMatchers(HttpMethod.OPTIONS).permitAll()
-                .antMatchers("/messages", "/users", "/thread", "/tags", "/tlgmbtwbhk").permitAll()
+                .antMatchers("/messages", "/users", "/thread", "/tags", "/tlgmbtwbhk", "/fbwbhk").permitAll()
                 .anyRequest().hasRole("USER")
                 .and().httpBasic().authenticationEntryPoint(getJuickAuthenticationEntryPoint())
                 .and().anonymous()
diff --git a/juick-api/src/main/java/com/juick/api/controllers/MessengerWebhook.java b/juick-api/src/main/java/com/juick/api/controllers/MessengerWebhook.java
new file mode 100644
index 00000000..f03a3633
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/controllers/MessengerWebhook.java
@@ -0,0 +1,42 @@
+package com.juick.api.controllers;
+
+import com.juick.api.MessengerBot;
+import com.juick.server.util.HttpForbiddenException;
+import org.apache.commons.io.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Created by vitalyster on 27.03.2017.
+ */
+@RestController
+public class MessengerWebhook {
+    private static Logger logger = LoggerFactory.getLogger(MessengerWebhook.class);
+
+    @Inject
+    MessengerBot fbBot;
+
+    @RequestMapping(value = "/fbwbhk", method = RequestMethod.GET)
+    public ResponseEntity<Integer> verifyHook(@RequestParam(name = "hub.mode") String hubMode,
+                                               @RequestParam(name = "hub.challenge") Integer hubChallenge,
+                                               @RequestParam(name = "hub.verify_token") String verifyToken) {
+        if (hubMode.equals("subscribe") && verifyToken.equals(fbBot.getVerifyToken())) {
+            return new ResponseEntity<>(hubChallenge, HttpStatus.OK);
+        }
+        throw new HttpForbiddenException();
+    }
+    @RequestMapping(value = "/fbwbhk", method = RequestMethod.POST)
+    @ResponseStatus(value = HttpStatus.OK)
+    public void processUpdate(HttpServletRequest req) throws IOException {
+        String data = IOUtils.toString(req.getInputStream(), StandardCharsets.UTF_8);
+        logger.info("got data: {}", data);
+    }
+}
-- 
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