Add ShareCodes

app/Console/Commands/DeleteExpiredFiles.php

@@ -6,6 +6,7 @@
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Facades\DB;
 use App\Models\File;
+use App\Models\ShareCode;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Log;
 
@@ -44,8 +45,8 @@ public function handle()
                     Log::info('Deleted file: ' . $file->path . ' for expiry (date): ' . $file->expiry_date);
                 }
             }
-            if($file->download_limit != 0) {
-                if($file->download_count >= $file->download_limit) {
+            if ($file->download_limit != 0) {
+                if ($file->download_count >= $file->download_limit) {
                     Storage::disk(config('dropspace.ds_storage_type'))->delete('dropspace/uploads/' . $file->path);
                     $file->deleted_for_expiry = 1;
                     $file->save();
@@ -54,5 +55,18 @@ public function handle()
             }
         }
         Log::info('Finished removing expired files.');
+        Log::info('Starting removal of expired sharecodes.');
+        $sharecodes = ShareCode::all();
+        foreach ($sharecodes as $sharecode) {
+            $date = Carbon::parse($sharecode->expiry_date);
+            if ($date->isPast()) {
+                $sharecode->delete();
+                Log::info('Deleted sharecode: ' . $sharecode->code . ' for expiry (date): ' . $sharecode->expiry_date);
+            }
+            if($sharecode->used == 1) {
+                $sharecode->delete();
+                Log::info('Deleted sharecode: ' . $sharecode->code . ' because it has been used.');
+            }
+        }
     }
 }

app/Http/Controllers/ShareCodeController.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use App\Models\ShareCode;
+use App\Models\File;
+
+class ShareCodeController extends Controller
+{
+    //
+    public function inputScreen()
+    {
+        return view('sharecode-search');
+    }
+
+    public function findShareCode($id)
+    {
+        $sharecode = ShareCode::where('code', strtoupper($id))->first();
+        if ($sharecode) {
+            //Check if the sharecode is expired
+            if ($sharecode->expiry_date < date('Y-m-d H:i:s')) {
+                return view('download-error')->with('error', 'This ShareCode has expired.');
+            }
+            if ($sharecode->used == 1) {
+                return view('download-error')->with('error', 'This ShareCode has already been used.');
+            }
+            $file = File::where('file_identifier', $sharecode->file_identifier)->first();
+            //return response()->json(['file' => $file, 'sharecode' => $sharecode]);
+            if($file->is_protected == true) {
+                $sharecode->used = 1;
+                $sharecode->save();
+                return redirect('/download/'.$file->file_identifier.'?hash=' . $file->password);
+            }else{
+                $sharecode->used = 1;
+                $sharecode->save();
+                return redirect('/download/'.$file->file_identifier);
+            }
+        }else{
+            return view('download-error')->with('error', 'Could not find ShareCode.');
+        }
+    }
+
+    public function generateShareCode(Request $request)
+    {
+        //
+        //Find file from identifier
+        $file = File::where('file_identifier', $request->file_id)->first();
+        if($file == null)
+        {
+            return response()->json(['error' => 'File not found'], 404);
+        }
+        if($file->is_protected == true)
+        {
+            if($request->hash != $file->password){
+                return response()->json(['error' => 'Wrong password'], 401);
+            }
+            else{
+                $shareCode = new ShareCode();
+                $shareCode->file_identifier = $request->file_id;
+                $shareCode->used = false;
+                $shareCode->expiry_date = date('Y-m-d H:i:s', strtotime('+30 minutes'));
+                //Generate random code that can contain letters and at least two numbers
+                $shareCode->code = substr(str_shuffle(str_repeat('0123456789abcdefghijklmnopqrstuvwxyz', mt_rand(1, 10))), 1, 6);
+                $shareCode->save();
+                return response()->json(['code' => $shareCode->code, 'expiry_date' => $shareCode->expiry_date]);
+            }
+        } else{
+            $shareCode = new ShareCode();
+            $shareCode->file_identifier = $request->file_id;
+            $shareCode->used = false;
+            $shareCode->expiry_date = date('Y-m-d H:i:s', strtotime('+30 minutes'));
+            //Generate random code that can contain letters and at least two numbers, length should be 6
+            $shareCode->code = strtoupper(substr(str_shuffle(str_repeat('0123456789abcdefghijklmnopqrstuvwxyz', mt_rand(1, 10))), 1, 6));
+            $shareCode->save();
+            return response()->json(['code' => $shareCode->code, 'expiry_date' => $shareCode->expiry_date]);
+        }
+    }
+}

app/Models/ShareCode.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ShareCode extends Model
+{
+    use HasFactory;
+    protected $fillable = ['code', 
+    'file_identifier', 
+    'expiry_date',
+    'used'
+];
+}

database/migrations/2022_04_30_175128_create_share_codes_table.php

@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * 'code', 
+     * 'file_identifier', 
+     * 'expiry_date',
+     * 'used'
+     * 
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('share_codes', function (Blueprint $table) {
+            $table->id();
+            $table->timestamps();
+            $table->string('code')->unique();
+            $table->string('file_identifier');
+            $table->dateTime('expiry_date');
+            $table->boolean('used')->default(false);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('share_codes');
+    }
+};