Load EmailManager conditionally

8 files changed, 207 insertions, 71 deletions

diff --git a/src/main/java/com/juick/server/EmailManager.java b/src/main/java/com/juick/server/EmailManager.java
index d4e521e4..3939d706 100644
--- a/src/main/java/com/juick/server/EmailManager.java
+++ b/src/main/java/com/juick/server/EmailManager.java
@@ -17,20 +17,25 @@
 
 package com.juick.server;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.juick.model.Message;
 import com.juick.model.User;
 import com.juick.server.api.SystemActivity;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.server.www.WebApp;
 import com.juick.service.EmailService;
 import com.juick.service.MessagesService;
 import com.juick.service.UserService;
 import com.juick.service.component.*;
 import com.juick.util.MessageUtils;
 import com.mitchellbosecke.pebble.PebbleEngine;
-import com.mitchellbosecke.pebble.template.PebbleTemplate;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Component;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.event.EventListener;
+import org.springframework.scheduling.annotation.Async;
 
 import javax.annotation.Nonnull;
 import javax.inject.Inject;
@@ -42,19 +47,11 @@ import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeBodyPart;
 import javax.mail.internet.MimeMessage;
 import javax.mail.internet.MimeMultipart;
-import java.io.IOException;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Properties;
+import java.util.*;
 
 import static com.juick.formatters.PlainTextFormatter.formatPost;
 import static com.juick.formatters.PlainTextFormatter.formatUrl;
 
-@Component
 public class EmailManager implements NotificationListener {
 
     public static final String MSGID_PATTERN = "\\.|@|<";
@@ -68,6 +65,12 @@ public class EmailManager implements NotificationListener {
     private UserService userService;
     @Inject
     private PebbleEngine pebbleEngine;
+    @Inject
+    private ObjectMapper jsonMapper;
+    @Inject
+    private WebApp webApp;
+    @Value("${service_email:}")
+    private String serviceEmail;
 
     @Override
     public void processSystemEvent(@Nonnull SystemEvent systemEvent) {
@@ -77,6 +80,13 @@ public class EmailManager implements NotificationListener {
         if (activity.getType().equals(SystemActivity.ActivityType.message)) {
             processMessage(msg, subscribers);
         }
+        try {
+            var eventHeader = Collections.singletonMap("X-Event-Version", "1.0");
+            sendEmail("noreply@juick.com", serviceEmail, "New system event",
+                    jsonMapper.writeValueAsString(systemEvent.getActivity()), null, eventHeader);
+        } catch (JsonProcessingException e) {
+            logger.warn("JSON exception", e);
+        }
     }
     private void processMessage(Message msg, List<User> subscribedUsers) {
         if (msg.isService()) {
@@ -104,6 +114,24 @@ public class EmailManager implements NotificationListener {
 
     }
 
+    @Async
+    @EventListener
+    public void processMailVerificationEvent(MailVerificationEvent mailVerificationEvent) {
+        if (!sendEmail("noreply@juick.com", mailVerificationEvent.getEmail(), "Juick authorization link",
+                String.format("Follow link to attach this email to Juick account:\n" +
+                        "http://juick.com/settings?page=auth-email&code=%s\n\n" +
+                        "If you don't know, what this mean - just ignore this mail.\n", mailVerificationEvent.getCode()),
+                StringUtils.EMPTY, Collections.emptyMap())) {
+            throw new HttpBadRequestException();
+        }
+    }
+    @Async
+    @EventListener
+    public void processAccountVerificationEvent(AccountVerificationEvent accountVerificationEvent) {
+        String signupUrl = String.format("Follow this link to create Juick account: https://juick.com/signup?type=email&hash=%s", accountVerificationEvent.getCode());
+        sendEmail("noreply@juick.com", accountVerificationEvent.getEmail(), "Juick registration", signupUrl, StringUtils.EMPTY, Collections.emptyMap());
+    }
+
     private void emailNotify(String email, String subject, Message msg) {
         Map<String, String> headers = new HashMap<>();
         if (!MessageUtils.isPM(msg)) {
@@ -118,9 +146,9 @@ public class EmailManager implements NotificationListener {
                 headers.put("In-Reply-To", String.format("<%d.%d@juick.com>", original.getMid(), original.getRid()));
             }
         }
-        String plainText = renderPlaintext(formatPost(msg), formatUrl(msg)).orElseThrow(IllegalStateException::new);
+        String plainText = webApp.renderPlaintext(formatPost(msg), formatUrl(msg)).orElseThrow(IllegalStateException::new);
         String hash = userService.getHashByUID(userService.getUserByEmail(email).getUid());
-        String htmlText = renderHtml(MessageUtils.formatHtml(msg), formatUrl(msg), msg, hash).orElseThrow(IllegalStateException::new);
+        String htmlText = webApp.renderHtml(MessageUtils.formatHtml(msg), formatUrl(msg), msg, hash).orElseThrow(IllegalStateException::new);
         sendEmail(StringUtils.EMPTY, email, subject, plainText, htmlText, headers);
     }
     public boolean sendEmail(String from, String to, String subject, String textPart, String htmlPart, Map<String, String> messageHeaders) {
@@ -170,34 +198,4 @@ public class EmailManager implements NotificationListener {
             return false;
         }
     }
-
-    public Optional<String> renderPlaintext(String body, String messageUrl) {
-        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/plaintext");
-        Map<String, Object> context = new HashMap<>();
-        context.put("messageBody", body);
-        context.put("messageUrl", messageUrl);
-        try {
-            Writer writer = new StringWriter();
-            noteTemplate.evaluate(writer, context);
-            return Optional.of(writer.toString());
-        } catch (IOException e) {
-            return Optional.empty();
-        }
-    }
-
-    public Optional<String> renderHtml(String body, String messageUrl, Message msg, String hash) {
-        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/html");
-        Map<String, Object> context = new HashMap<>();
-        context.put("messageBody", body);
-        context.put("messageUrl", messageUrl);
-        context.put("msg", msg);
-        context.put("hash", hash);
-        try {
-            Writer writer = new StringWriter();
-            noteTemplate.evaluate(writer, context);
-            return Optional.of(writer.toString());
-        } catch (IOException e) {
-            return Optional.empty();
-        }
-    }
 }
diff --git a/src/main/java/com/juick/server/ServerManager.java b/src/main/java/com/juick/server/ServerManager.java
index 8a70251f..d3742503 100644
--- a/src/main/java/com/juick/server/ServerManager.java
+++ b/src/main/java/com/juick/server/ServerManager.java
@@ -62,16 +62,9 @@ public class ServerManager implements NotificationListener {
 
     @Value("${service_user:juick}")
     private String serviceUsername;
-    @Value("${service_email:root@localhost}")
-    private String serviceEmail;
 
     private User serviceUser;
 
-    @Inject
-    private EmailManager emailManager;
-    @Inject
-    private ObjectMapper jsonMapper;
-
     @PostConstruct
     public void init() {
         serviceUser = userService.getUserByName(serviceUsername);
@@ -105,13 +98,6 @@ public class ServerManager implements NotificationListener {
                 processTop(message);
             }
         }
-        try {
-            var eventHeader = Collections.singletonMap("X-Event-Version", "1.0");
-            emailManager.sendEmail("noreply@juick.com", serviceEmail, "New system event",
-                    jsonMapper.writeValueAsString(systemEvent.getActivity()), null, eventHeader);
-        } catch (JsonProcessingException e) {
-            logger.warn("JSON exception", e);
-        }
     }
     private void processMessage(User from, Message jmsg, List<User> subscribers) {
         List<User> subscribedUsers = ListUtils.union(subscribers, Collections.singletonList(jmsg.getUser()));
diff --git a/src/main/java/com/juick/server/api/Service.java b/src/main/java/com/juick/server/api/Service.java
index 2763eab1..4474e4f0 100644
--- a/src/main/java/com/juick/server/api/Service.java
+++ b/src/main/java/com/juick/server/api/Service.java
@@ -27,6 +27,7 @@ import com.juick.server.util.HttpForbiddenException;
 import com.juick.service.EmailService;
 import com.juick.service.MessagesService;
 import com.juick.service.UserService;
+import com.juick.service.component.AccountVerificationEvent;
 import com.juick.service.security.annotation.Visitor;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.io.IOUtils;
@@ -36,6 +37,7 @@ 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.context.ApplicationEventPublisher;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.ExceptionHandler;
@@ -70,7 +72,7 @@ public class Service {
     @Inject
     private CommandsManager commandsManager;
     @Inject
-    private EmailManager emailManager;
+    private ApplicationEventPublisher applicationEventPublisher;
     @Value("${api_user:juick}")
     private String serviceUser;
     @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
@@ -168,8 +170,7 @@ public class Service {
                 if (!Arrays.asList(ignoredEmails).contains(from)) {
                     String verificationCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
                     emailService.addVerificationCode(null, from, verificationCode);
-                    String signupUrl = String.format("Follow this link to create Juick account: https://juick.com/signup?type=email&hash=%s", verificationCode);
-                    emailManager.sendEmail("noreply@juick.com", from, "Juick registration", signupUrl, StringUtils.EMPTY, Collections.emptyMap());
+                    applicationEventPublisher.publishEvent(new AccountVerificationEvent(this, from, verificationCode));
                 }
             }
         } else {
diff --git a/src/main/java/com/juick/server/api/Users.java b/src/main/java/com/juick/server/api/Users.java
index e53c5424..531883fc 100644
--- a/src/main/java/com/juick/server/api/Users.java
+++ b/src/main/java/com/juick/server/api/Users.java
@@ -27,11 +27,13 @@ import com.juick.server.util.HttpUtils;
 import com.juick.server.util.WebUtils;
 import com.juick.server.www.WebApp;
 import com.juick.service.*;
+import com.juick.service.component.MailVerificationEvent;
 import com.juick.service.security.annotation.Visitor;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
@@ -68,7 +70,7 @@ public class Users {
     @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
     private String tmpDir;
     @Inject
-    private EmailManager emailManager;
+    private ApplicationEventPublisher applicationEventPublisher;
 
     @RequestMapping(value = "/api/auth", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
     public String getAuthToken(@Visitor User visitor) {
@@ -138,13 +140,7 @@ public class Users {
             if (!emailService.verifyAddressByCode(visitor.getUid(), newEmail)) {
                 String authCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
                 if (emailService.addVerificationCode(visitor.getUid(), newEmail, authCode)) {
-                    if (!emailManager.sendEmail("noreply@juick.com", newEmail, "Juick authorization link",
-                            String.format("Follow link to attach this email to Juick account:\n" +
-                            "http://juick.com/settings?page=auth-email&code=%s\n\n" +
-                            "If you don't know, what this mean - just ignore this mail.\n", authCode),
-                            StringUtils.EMPTY, Collections.emptyMap())) {
-                        throw new HttpBadRequestException();
-                    }
+                    applicationEventPublisher.publishEvent(new MailVerificationEvent(this, newEmail , authCode));
                 }
             }
         }
diff --git a/src/main/java/com/juick/server/configuration/MailConfiguration.java b/src/main/java/com/juick/server/configuration/MailConfiguration.java
new file mode 100644
index 00000000..31034339
--- /dev/null
+++ b/src/main/java/com/juick/server/configuration/MailConfiguration.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2008-2020, 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.server.configuration;
+
+import com.juick.server.EmailManager;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ConditionalOnProperty("service_email")
+public class MailConfiguration {
+    @Bean
+    public EmailManager emailManager() {
+        return new EmailManager();
+    }
+}
diff --git a/src/main/java/com/juick/server/www/WebApp.java b/src/main/java/com/juick/server/www/WebApp.java
index 8476224d..bf013c3b 100644
--- a/src/main/java/com/juick/server/www/WebApp.java
+++ b/src/main/java/com/juick/server/www/WebApp.java
@@ -16,9 +16,12 @@
  */
 package com.juick.server.www;
 
+import com.juick.model.Message;
 import com.juick.model.Tag;
 import com.juick.model.User;
 import com.juick.service.TagService;
+import com.mitchellbosecke.pebble.PebbleEngine;
+import com.mitchellbosecke.pebble.template.PebbleTemplate;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
@@ -27,9 +30,10 @@ import org.springframework.web.util.UriComponentsBuilder;
 
 import javax.annotation.PostConstruct;
 import javax.inject.Inject;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.*;
 import java.util.stream.Stream;
 
 /**
@@ -42,6 +46,8 @@ public class WebApp {
     private TagService tagService;
     @Inject
     private ResourceUrlProvider resourceUrlProvider;
+    @Inject
+    private PebbleEngine pebbleEngine;
     @Value("${img_url:http://localhost:8080/i/}")
     private String baseImagesUri;
     UriComponentsBuilder avatarBuilder;
@@ -91,4 +97,33 @@ public class WebApp {
         avatarBuilder.replacePath(getAvatarWebPath(user));
         return avatarBuilder.build().toUriString();
     }
+    public Optional<String> renderPlaintext(String body, String messageUrl) {
+        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/plaintext");
+        Map<String, Object> context = new HashMap<>();
+        context.put("messageBody", body);
+        context.put("messageUrl", messageUrl);
+        try {
+            Writer writer = new StringWriter();
+            noteTemplate.evaluate(writer, context);
+            return Optional.of(writer.toString());
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<String> renderHtml(String body, String messageUrl, Message msg, String hash) {
+        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/html");
+        Map<String, Object> context = new HashMap<>();
+        context.put("messageBody", body);
+        context.put("messageUrl", messageUrl);
+        context.put("msg", msg);
+        context.put("hash", hash);
+        try {
+            Writer writer = new StringWriter();
+            noteTemplate.evaluate(writer, context);
+            return Optional.of(writer.toString());
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
 }
diff --git a/src/main/java/com/juick/service/component/AccountVerificationEvent.java b/src/main/java/com/juick/service/component/AccountVerificationEvent.java
new file mode 100644
index 00000000..9ab48015
--- /dev/null
+++ b/src/main/java/com/juick/service/component/AccountVerificationEvent.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2008-2020, 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.service.component;
+
+import org.springframework.context.ApplicationEvent;
+
+public class AccountVerificationEvent extends ApplicationEvent {
+    private String email;
+    private String code;
+    /**
+     * Create a new {@code ApplicationEvent}.
+     *
+     * @param source the object on which the event initially occurred or with
+     *               which the event is associated (never {@code null})
+     */
+    public AccountVerificationEvent(Object source, String email, String code) {
+        super(source);
+        this.email = email;
+        this.code = code;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public String getCode() {
+        return code;
+    }
+}
diff --git a/src/main/java/com/juick/service/component/MailVerificationEvent.java b/src/main/java/com/juick/service/component/MailVerificationEvent.java
new file mode 100644
index 00000000..5a6a95a7
--- /dev/null
+++ b/src/main/java/com/juick/service/component/MailVerificationEvent.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2008-2020, 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.service.component;
+
+import org.springframework.context.ApplicationEvent;
+
+public class MailVerificationEvent extends ApplicationEvent {
+    private String email;
+    private String code;
+    /**
+     * Create a new {@code ApplicationEvent}.
+     *
+     * @param source the object on which the event initially occurred or with
+     *               which the event is associated (never {@code null})
+     */
+    public MailVerificationEvent(Object source, String email, String code) {
+        super(source);
+        this.email = email;
+        this.code = code;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public String getCode() {
+        return code;
+    }
+}