From b37fa2687ef6d79828b524eb09634be2180f6134 Mon Sep 17 00:00:00 2001
From: Christophe <cris@labomatik.com>
Date: Tue, 9 Apr 2024 18:58:47 +0200
Subject: [PATCH 1/2] Ability to encrypt automatically message's body

---
 config/chat.php        |  3 ++-
 src/Models/Message.php | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/config/chat.php b/config/chat.php
index 526a3ff..c04c822 100644
--- a/config/chat.php
+++ b/config/chat.php
@@ -14,5 +14,6 @@
     'media_folder' => env('CHAT_MEDIA_FOLDER', 'image'),
     'pusher_event_trigger' => [
         'send_message' => env('CHAT_SEND_MESSAGE_PUSHER_EVENT', true)
-    ]
+    ],
+    'encrypt_message' => env('CHAT_ENCRYPT_MESSAGE', false),
 ];
diff --git a/src/Models/Message.php b/src/Models/Message.php
index 12043ff..1d5d257 100644
--- a/src/Models/Message.php
+++ b/src/Models/Message.php
@@ -73,4 +73,22 @@ public function variables()
     {
         return $this->hasMany(MessageVariable::class, 'message_id', 'id');
     }
+
+    /**
+     * Get the attributes that should be cast.
+     *
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        if(config('chat.encrypt_message')) {
+            return [
+                'body' => 'encrypted',
+            ];
+        }else {
+            return [
+                'body' => 'string',
+            ];
+        }
+    }
 }

From 0c379e1c6ac2238e2b554410cd9601ee709912e9 Mon Sep 17 00:00:00 2001
From: Harshil Patanvadiya <harshil@7span.com>
Date: Wed, 22 May 2024 11:10:01 +0530
Subject: [PATCH 2/2] Fix encryption message

---
 README.md              |  2 +-
 src/Helpers/Helper.php | 12 ++++++++++++
 src/Models/Message.php | 13 +++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index be7aff0..40096e1 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ php artisan migrate
 To configure message body encryption add these key on `.env` file.
 
 ```
-CHAT_ENCRYPT_MESSAGE=true #boolen
+CHAT_ENCRYPT_MESSAGE=true #boolean
 ```
 
 ## Usage
diff --git a/src/Helpers/Helper.php b/src/Helpers/Helper.php
index 6874ad9..db9877c 100644
--- a/src/Helpers/Helper.php
+++ b/src/Helpers/Helper.php
@@ -6,7 +6,9 @@
 
 use Illuminate\Support\Str;
 use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Crypt;
 use Illuminate\Support\Facades\Storage;
+use Illuminate\Contracts\Encryption\DecryptException;
 
 class Helper
 {
@@ -63,4 +65,14 @@ public static function fileDelete($disk, $path, $fileName)
             return true;
         }
     }
+
+    public static function isEncrypted($value)
+    {
+        try {
+            Crypt::decryptString($value);
+            return true;
+        } catch (DecryptException $e) {
+            return false;
+        }
+    }
 }
diff --git a/src/Models/Message.php b/src/Models/Message.php
index 1d5d257..e2b31e5 100644
--- a/src/Models/Message.php
+++ b/src/Models/Message.php
@@ -3,9 +3,12 @@
 namespace SevenSpan\Chat\Models;
 
 use App\Models\User;
+use SevenSpan\Chat\Helpers\Helper;
+use Illuminate\Support\Facades\Crypt;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class Message extends Model
@@ -91,4 +94,14 @@ protected function casts(): array
             ];
         }
     }
+
+   
+    protected function body(): Attribute
+    {
+        return Attribute::make(
+            get: function (string $value) {
+                return Helper::isEncrypted($value) ? Crypt::decryptString($value) : $value;
+            }
+        );
+    }
 }