FOUR-13275 When opening a request/task by clicking on it, then clicki…

ProcessMaker/Http/Kernel.php

@@ -79,6 +79,7 @@ class Kernel extends HttpKernel
         'saml_request' => \ProcessMaker\Http\Middleware\SamlRequest::class,
         'session_block' => \ProcessMaker\Http\Middleware\SessionControlBlock::class,
         'session_kill' => \ProcessMaker\Http\Middleware\SessionControlKill::class,
+        'no-cache' => \ProcessMaker\Http\Middleware\NoCache::class,
     ];
 
     /**

ProcessMaker/Http/Middleware/NoCache.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace ProcessMaker\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class NoCache
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        $response = $next($request);
+
+        $response->header('Cache-Control', 'no-cache, no-store, must-revalidate');
+        $response->header('Pragma', 'no-cache');
+        $response->header('Expires', '0');
+
+        return $response;
+    }
+}

routes/web.php

@@ -36,6 +36,7 @@
 use ProcessMaker\Http\Controllers\TemplateController;
 use ProcessMaker\Http\Controllers\TestStatusController;
 use ProcessMaker\Http\Controllers\UnavailableController;
+use ProcessMaker\Http\Middleware\NoCache;
 
 Route::middleware('auth', 'session_kill', 'sanitize', 'force_change_password', '2fa')->group(function () {
     // Routes related to Authentication (password reset, etc)
@@ -126,15 +127,20 @@
     Route::get('requests/search', [RequestController::class, 'search'])->name('requests.search');
     Route::get('requests/{type?}', [RequestController::class, 'index'])
         ->where('type', 'all|in_progress|completed')
-        ->name('requests_by_type');
+        ->name('requests_by_type')
+        ->middleware('no-cache');
     Route::get('request/{request}/files/{media}', [RequestController::class, 'downloadFiles'])->middleware('can:view,request');
-    Route::get('requests', [RequestController::class, 'index'])->name('requests.index');
+    Route::get('requests', [RequestController::class, 'index'])
+        ->name('requests.index')
+        ->middleware('no-cache');
     Route::get('requests/{request}', [RequestController::class, 'show'])->name('requests.show');
     Route::get('requests/mobile/{request}', [RequestController::class, 'show'])->name('requests.showMobile');
     Route::get('requests/{request}/task/{task}/screen/{screen}', [RequestController::class, 'screenPreview'])->name('requests.screen-preview');
 
     Route::get('tasks/search', [TaskController::class, 'search'])->name('tasks.search');
-    Route::get('tasks', [TaskController::class, 'index'])->name('tasks.index');
+    Route::get('tasks', [TaskController::class, 'index'])
+        ->name('tasks.index')
+        ->middleware('no-cache');
     Route::get('tasks/{task}/edit', [TaskController::class, 'edit'])->name('tasks.edit');
     Route::get('tasks/{task}/edit/{preview}', [TaskController::class, 'edit'])->name('tasks.preview');