From 2bf63fc8d2a4b84e051d28e670c7c74b039e2545 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 25 Apr 2018 13:54:25 +0300
Subject: www: no more xmpp

---
 .../main/java/com/juick/server/api/Service.java    | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 juick-server/src/main/java/com/juick/server/api/Service.java

(limited to 'juick-server/src/main/java/com/juick/server/api/Service.java')

diff --git a/juick-server/src/main/java/com/juick/server/api/Service.java b/juick-server/src/main/java/com/juick/server/api/Service.java
new file mode 100644
index 00000000..f67f6986
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/api/Service.java
@@ -0,0 +1,117 @@
+package com.juick.server.api;
+
+import com.juick.User;
+import com.juick.server.CommandsManager;
+import com.juick.server.EmailManager;
+import com.juick.server.util.HttpForbiddenException;
+import com.juick.server.util.UserUtils;
+import com.juick.service.UserService;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.mail.util.MimeMessageParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import springfox.documentation.annotations.ApiIgnore;
+
+import javax.inject.Inject;
+import javax.mail.Session;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Paths;
+import java.util.Properties;
+import java.util.Scanner;
+import java.util.UUID;
+
+@Controller
+public class Service {
+    private static Logger logger = LoggerFactory.getLogger(Post.class);
+    @Inject
+    private UserService userService;
+
+    @Inject
+    CommandsManager commandsManager;
+    @Value("${api_user:juick}")
+    private String serviceUser;
+    @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
+    private String tmpDir;
+    Session session = Session.getDefaultInstance(new Properties());
+
+    @ApiIgnore
+    @PostMapping("/mail")
+    @ResponseStatus(value = HttpStatus.OK)
+    public void processMail(InputStream data) throws Exception {
+        if (UserUtils.getCurrentUser().getName().equals(serviceUser)) {
+            MimeMessage msg = new MimeMessage(session, data);
+            logger.info("got msg {}", msg.toString());
+            String from = msg.getFrom() == null || msg.getFrom().length > 1 ? ((InternetAddress) msg.getSender()).getAddress()
+                    : ((InternetAddress) msg.getFrom()[0]).getAddress();
+
+            User visitor = userService.getUserByEmail(from);
+            if (!visitor.isAnonymous()) {
+                MimeMessageParser parser = new MimeMessageParser(msg);
+                parser.parse();
+                final String[] body = {parser.getPlainContent()};
+                if (body[0] == null) {
+                    parser.getAttachmentList().stream()
+                            .filter(a -> a.getContentType().equals("text/plain")).findFirst()
+                            .ifPresent(a -> {
+                                try {
+                                    body[0] = IOUtils.toString(a.getInputStream(), StandardCharsets.UTF_8);
+                                    logger.info("got text: {}", body[0]);
+                                } catch (IOException e) {
+                                    logger.info("attachment error: {}", e);
+                                }
+                            });
+                }
+                final String[] attachmentFName = new String[1];
+                parser.getAttachmentList().stream().filter(a ->
+                        a.getContentType().equals("image/jpeg") || a.getContentType().equals("image/png"))
+                        .findFirst().ifPresent(a -> {
+                    logger.info("got attachment: {}", a.getContentType());
+                    String attachmentType;
+                    if (a.getContentType().equals("image/jpeg")) {
+                        attachmentType = "jpg";
+                    } else {
+                        attachmentType = "png";
+                    }
+                    attachmentFName[0] = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
+                    try {
+                        logger.info("got inputstream: {}", a.getInputStream());
+                        FileOutputStream fos = new FileOutputStream(Paths.get(tmpDir, attachmentFName[0]).toString());
+                        IOUtils.copy(a.getInputStream(), fos);
+                        fos.close();
+                    } catch (IOException e) {
+                        logger.info("attachment error: {}", e);
+                    }
+                });
+                String[] inReplyToHeaders = msg.getHeader("In-Reply-To");
+                if (inReplyToHeaders != null && inReplyToHeaders.length > 0) {
+                    Scanner inReplyToScanner = new Scanner(inReplyToHeaders[0].trim()).useDelimiter(EmailManager.MSGID_PATTERN);
+                    int mid = Integer.parseInt(inReplyToScanner.next());
+                    int rid = Integer.parseInt(inReplyToScanner.next());
+                    logger.info("Message is reply to #{}/{}", mid, rid);
+                    body[0] = rid > 0 ? String.format("#%d/%d %s", mid, rid, body[0])
+                            : String.format("#%d %s", mid, body[0]);
+                }
+                URI attachmentUri = StringUtils.isNotEmpty(attachmentFName[0]) ? URI.create(String.format("juick://%s", attachmentFName[0]))
+                        : URI.create(StringUtils.EMPTY);
+                commandsManager.processCommand(visitor, body[0], attachmentUri);
+            } else {
+                logger.info("not registered: {}", from);
+            }
+        } else {
+            throw new HttpForbiddenException();
+        }
+    }
+}
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