From 32869acec73653b6b62b35841845e9c732133571 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 27 Sep 2018 09:29:33 +0300
Subject: RFC8058: One-Click Functionality for List Email Headers

---
 .../src/main/java/com/juick/server/EmailManager.java |  3 ++-
 .../com/juick/server/www/controllers/Settings.java   | 20 +++++++++++++++++++-
 .../java/com/juick/server/tests/ServerTests.java     |  9 +++++++++
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/juick-server/src/main/java/com/juick/server/EmailManager.java b/juick-server/src/main/java/com/juick/server/EmailManager.java
index d6c2bb3f..67c21d1c 100644
--- a/juick-server/src/main/java/com/juick/server/EmailManager.java
+++ b/juick-server/src/main/java/com/juick/server/EmailManager.java
@@ -123,8 +123,9 @@ public class EmailManager implements ApplicationListener<MessageEvent> {
             message.setContent(multipart);
             User emailUser = userService.getUserByEmail(to);
             if (!emailUser.isAnonymous()) {
-                message.setHeader("List-Unsubscribe", String.format("https://juick.com/settings?hash=%s",
+                message.setHeader("List-Unsubscribe", String.format("https://juick.com/settings/unsubscribe?hash=%s",
                         userService.getHashByUID(emailUser.getUid())));
+                message.setHeader("List-Unsubscribe-Post", "List-Unsubscribe=One-Click");
             }
             message.saveChanges();
             transport.connect();
diff --git a/juick-server/src/main/java/com/juick/server/www/controllers/Settings.java b/juick-server/src/main/java/com/juick/server/www/controllers/Settings.java
index 6405b3bd..cc8f43eb 100644
--- a/juick-server/src/main/java/com/juick/server/www/controllers/Settings.java
+++ b/juick-server/src/main/java/com/juick/server/www/controllers/Settings.java
@@ -16,9 +16,12 @@
  */
 package com.juick.server.www.controllers;
 
+import com.juick.User;
 import com.juick.model.NotifyOpts;
 import com.juick.model.UserInfo;
-import com.juick.server.util.*;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.server.util.HttpUtils;
+import com.juick.server.util.UserUtils;
 import com.juick.service.*;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -257,4 +260,19 @@ public class Settings {
         model.addAttribute("result", result);
         return "views/settings_result";
     }
+    @PostMapping("/settings/unsubscribe")
+    public String unsubscribeOneClick(@RequestParam(name = "List-Unsubscribe") String unsubscribe,
+                                      ModelMap model) {
+        User user = UserUtils.getCurrentUser();
+        if (!user.isAnonymous()) {
+            if (unsubscribe.equals("One-Click")) {
+                emailService.setNotificationsEmail(user.getUid(), StringUtils.EMPTY);
+                model.addAttribute("title", "Настройки");
+                model.addAttribute("visitor", user);
+                model.addAttribute("result", "Unsubscribed");
+                return "views/settings_result";
+            }
+        }
+        throw new HttpBadRequestException();
+    }
 }
diff --git a/juick-server/src/test/java/com/juick/server/tests/ServerTests.java b/juick-server/src/test/java/com/juick/server/tests/ServerTests.java
index 4e4ad9c4..f1e3a58e 100644
--- a/juick-server/src/test/java/com/juick/server/tests/ServerTests.java
+++ b/juick-server/src/test/java/com/juick/server/tests/ServerTests.java
@@ -1697,4 +1697,13 @@ public class ServerTests {
         assertThat(msg.getTags().get(1).getName(), is("test2"));
         assertThat(msg.getText(), is("test3"));
     }
+    @Test
+    public void oneClickUnsubscribe() throws Exception {
+        mockMvc.perform(post("/settings/unsubscribe")
+                .param("hash", "123456")
+                .param("List-Unsubscribe", "One-Click")).andExpect(status().isBadRequest());
+        mockMvc.perform(post("/settings/unsubscribe")
+        .param("hash", userService.getHashByUID(ugnich.getUid()))
+        .param("List-Unsubscribe", "One-Click")).andExpect(status().isOk());
+    }
 }
-- 
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