{"id":1831,"date":"2024-11-16T14:22:08","date_gmt":"2024-11-16T17:22:08","guid":{"rendered":"https:\/\/thiagorossi.com.br\/blog\/?p=1831"},"modified":"2025-12-04T12:55:53","modified_gmt":"2025-12-04T15:55:53","slug":"middlewares-no-laravel","status":"publish","type":"post","link":"https:\/\/thiagorossi.com.br\/blog\/middlewares-no-laravel\/","title":{"rendered":"Middlewares no Laravel"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Middlewares no Laravel<\/strong>: No <strong>Laravel 12<\/strong>, os <strong>Middlewares<\/strong> s\u00e3o o mecanismo essencial para interceptar e processar requisi\u00e7\u00f5es HTTP antes que elas cheguem \u00e0 sua l\u00f3gica de neg\u00f3cio (os <em>Controllers<\/em>). Eles agem como uma &#8220;camada intermedi\u00e1ria&#8221; onde voc\u00ea pode inspecionar a requisi\u00e7\u00e3o, adicionar cabe\u00e7alhos, realizar verifica\u00e7\u00f5es de seguran\u00e7a ou redirecionar o usu\u00e1rio.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Entender a arquitetura de <em>Middleware<\/em> \u00e9 crucial para implementar funcionalidades como <strong>autentica\u00e7\u00e3o<\/strong>, <strong>autoriza\u00e7\u00e3o<\/strong> e <strong>logging<\/strong> de forma limpa e modular.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">1. \ud83d\udca1 O Conceito de Middleware<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Imagine um <em>Middleware<\/em> como uma s\u00e9rie de <strong>filtros em um funil<\/strong> ou uma <strong>s\u00e9rie de porteiros em um clube<\/strong>. Cada porteiro tem uma fun\u00e7\u00e3o espec\u00edfica (verificar idade, checar lista de convidados, inspecionar bagagens). Se a requisi\u00e7\u00e3o passar por todos os filtros, ela chega ao destino.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>Inspe\u00e7\u00e3o:<\/strong> O <em>Middleware<\/em> recebe o objeto <code>Request<\/code>.<\/li>\n\n\n\n<li class=\"has-medium-font-size\"><strong>Decis\u00e3o:<\/strong> Ele pode modificar a requisi\u00e7\u00e3o ou verificar uma condi\u00e7\u00e3o.<\/li>\n\n\n\n<li class=\"has-medium-font-size\"><strong>A\u00e7\u00e3o:<\/strong> Se a condi\u00e7\u00e3o falhar, ele interrompe o fluxo e retorna uma resposta (ex: erro 403, redirecionamento para login). Se for aprovado, ele passa a requisi\u00e7\u00e3o para o pr\u00f3ximo elemento.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">2. \ud83d\udee0\ufe0f Criando um Middleware Customizado<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Para criar um novo <em>Middleware<\/em>, usamos o comando <strong>Artisan<\/strong>:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>php artisan make:middleware CheckUserStatus\n# Cria o arquivo em app\/Http\/Middleware\/CheckUserStatus.php\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Estrutura do M\u00e9todo <code>handle()<\/code><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">O cora\u00e7\u00e3o do <em>Middleware<\/em> \u00e9 o m\u00e9todo <code>handle()<\/code>, que recebe a requisi\u00e7\u00e3o (<code>$request<\/code>) e um <em>closure<\/em> (<code>$next<\/code>).<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">PHP<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n\/\/ app\/Http\/Middleware\/CheckUserStatus.php\n\nnamespace App\\Http\\Middleware;\n\nuse Closure;\nuse Illuminate\\Http\\Request;\nuse Symfony\\Component\\HttpFoundation\\Response;\n\nclass CheckUserStatus\n{\n    public function handle(Request $request, Closure $next): Response\n    {\n        \/\/ 1. L\u00f3gica de PR\u00c9-PROCESSAMENTO:\n        \/\/ Exemplo: Se o usu\u00e1rio estiver desativado, proibir o acesso.\n        if (auth()-&gt;check() &amp;&amp; !auth()-&gt;user()-&gt;is_active) {\n            auth()-&gt;logout(); \/\/ For\u00e7a o logout\n            return redirect('\/login')-&gt;with('error', 'Sua conta est\u00e1 inativa.');\n        }\n\n        \/\/ 2. Passa a requisi\u00e7\u00e3o para o pr\u00f3ximo Middleware\/Controller:\n        $response = $next($request);\n\n        \/\/ 3. L\u00f3gica de P\u00d3S-PROCESSAMENTO (Executada ap\u00f3s o Controller):\n        \/\/ Exemplo: Adicionar um header de seguran\u00e7a na resposta.\n        $response-&gt;headers-&gt;set('X-Content-Type-Options', 'nosniff');\n        \n        return $response;\n    }\n}\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">3. \ud83e\udde9 Registro e Atribui\u00e7\u00e3o de Middlewares<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Para que o Laravel reconhe\u00e7a e utilize seu <em>Middleware<\/em>, ele precisa ser registrado no <strong>Kernel HTTP<\/strong>.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">A. Registro no Kernel HTTP (Laravel 12)<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">No Laravel 12, a configura\u00e7\u00e3o de <em>Middleware<\/em> est\u00e1 centralizada no arquivo <strong><code>bootstrap\/app.php<\/code><\/strong>, dentro da inst\u00e2ncia da aplica\u00e7\u00e3o, em vez do arquivo <code>App\/Http\/Kernel.php<\/code> das vers\u00f5es anteriores (Laravel 10 para tr\u00e1s).<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Voc\u00ea deve mapear seu <em>Middleware<\/em> para um nome curto (uma chave) na configura\u00e7\u00e3o:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">PHP<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ bootstrap\/app.php (trecho conceitual de registro)\nreturn Application::configure(basePath: dirname(__DIR__))\n    \/\/ ...\n    -&gt;withMiddleware(function (Middleware $middleware) {\n        \/\/ Registro de Middlewares de Rota:\n        $middleware-&gt;alias(&#91;\n            'auth' =&gt; \\App\\Http\\Middleware\\Authenticate::class,\n            'is.admin' =&gt; \\App\\Http\\Middleware\\IsAdmin::class, \/\/ Seu middleware\n        ]);\n        \n        \/\/ Registro de Middlewares Web Globais ou de API\n        \/\/ ...\n    })\n    \/\/ ...\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">B. Atribui\u00e7\u00e3o a Rotas<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Voc\u00ea pode atribuir <em>Middlewares<\/em> individualmente, em grupos ou a <em>Controllers<\/em> de recurso.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">1. Atribui\u00e7\u00e3o por Rota Individual<\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">PHP<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ routes\/web.php\n\/\/ Acesso a esta rota requer autentica\u00e7\u00e3o ('auth') e permiss\u00e3o de admin ('is.admin')\nRoute::get('\/admin\/painel', &#91;AdminController::class, 'index'])\n     -&gt;middleware(&#91;'auth', 'is.admin']);\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">2. Agrupamento de Rotas<\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Aplique <em>Middlewares<\/em> a um conjunto de rotas relacionadas:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">PHP<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ routes\/web.php\nRoute::middleware(&#91;'auth', 'is.admin'])-&gt;group(function () {\n    \/\/ Rotas onde 'auth' e 'is.admin' ser\u00e3o executados automaticamente\n    Route::get('\/admin\/users', &#91;UserController::class, 'index']);\n    Route::post('\/admin\/create', &#91;UserController::class, 'store']);\n});\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">3. Em um Controller (M\u00e9todo <code>__construct<\/code>)<\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Para aplicar um <em>Middleware<\/em> a <em>todos<\/em> ou apenas a <em>certos m\u00e9todos<\/em> de um <em>Controller<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PHP<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\nclass PostController extends Controller\n{\n    public function __construct()\n    {\n        \/\/ Aplica o middleware 'auth' a todos os m\u00e9todos deste Controller\n        $this-&gt;middleware('auth');\n\n        \/\/ Aplica 'is.admin' APENAS aos m\u00e9todos 'store' e 'update'\n        $this-&gt;middleware('is.admin')-&gt;only(&#91;'store', 'update']);\n    }\n    \/\/ ...\n}\n<\/code><\/pre>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">4. \ud83d\udd17 Middlewares <em>Built-in<\/em> Comuns<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">O Laravel j\u00e1 oferece uma s\u00e9rie de <em>Middlewares<\/em> essenciais prontos para uso:<\/p>\n\n\n\n<figure class=\"wp-block-table has-medium-font-size\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Middleware<\/strong><\/td><td><strong>Prop\u00f3sito<\/strong><\/td><td><strong>Grupo Padr\u00e3o<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong><code>web<\/code><\/strong><\/td><td>Define recursos necess\u00e1rios para aplica\u00e7\u00f5es web (sess\u00e3o, cookies, prote\u00e7\u00e3o CSRF).<\/td><td>Aplicado por padr\u00e3o em <code>routes\/web.php<\/code>.<\/td><\/tr><tr><td><strong><code>api<\/code><\/strong><\/td><td>Define recursos para APIs (sem sess\u00e3o, <em>rate limiting<\/em> configurado).<\/td><td>Aplicado por padr\u00e3o em <code>routes\/api.php<\/code>.<\/td><\/tr><tr><td><strong><code>auth<\/code><\/strong><\/td><td>Verifica se o usu\u00e1rio est\u00e1 autenticado.<\/td><td>Usado em rotas espec\u00edficas.<\/td><\/tr><tr><td><strong><code>throttle<\/code><\/strong><\/td><td>Limita o n\u00famero de requisi\u00e7\u00f5es que um usu\u00e1rio pode fazer por per\u00edodo (<em>rate limiting<\/em>).<\/td><td>Usado no grupo <code>api<\/code> por padr\u00e3o.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u2705 Conclus\u00e3o Middlewares no Laravel<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Middlewares no Laravel 12: Os <em>Middlewares<\/em> s\u00e3o ferramentas de controle de fluxo que protegem e filtram as requisi\u00e7\u00f5es HTTP antes que elas cheguem \u00e0 sua aplica\u00e7\u00e3o. Seja para verificar a autentica\u00e7\u00e3o, a autoriza\u00e7\u00e3o ou para adicionar <em>headers<\/em> de seguran\u00e7a na resposta, eles permitem implementar l\u00f3gica de forma modular, mantendo seus <em>Controllers<\/em> focados puramente na l\u00f3gica de neg\u00f3cio, essencial para a escalabilidade e seguran\u00e7a do seu projeto.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Mas antes de dominar o Laravel, se for o seu caso, toda jornada tem um in\u00edcio. Vamos entender quais s\u00e3o os conhecimentos b\u00e1sicos necess\u00e1rios para aproveitar ao m\u00e1ximo este poderoso framework. Para iniciar seus estudos no Laravel, voc\u00ea precisar\u00e1 dominar as seguintes tecnologias:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"\/category\/html\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/html.webp\" alt=\"HTML\" class=\"wp-image-600\" srcset=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/html.webp 758w, https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/html-300x169.webp 300w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/a><figcaption class=\"wp-element-caption\">HTML<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"\/category\/css\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/Capa-Artigos-Linux.webp\" alt=\"CSS\" class=\"wp-image-702\" srcset=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/Capa-Artigos-Linux.webp 758w, https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/Capa-Artigos-Linux-300x169.webp 300w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/a><figcaption class=\"wp-element-caption\">CSS<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"\/category\/javascript\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/javascript.webp\" alt=\"Javascript\" class=\"wp-image-804\" srcset=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/javascript.webp 758w, https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/04\/javascript-300x169.webp 300w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/a><figcaption class=\"wp-element-caption\">JavaScript<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"\/category\/sql\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/05\/Capa-Artigos-2.webp\" alt=\"SQL\" class=\"wp-image-942\" srcset=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/05\/Capa-Artigos-2.webp 758w, https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/05\/Capa-Artigos-2-300x169.webp 300w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/a><figcaption class=\"wp-element-caption\">SQL<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"\/category\/php\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/11\/Capa-PHP.png\" alt=\"Capa Curso PHP\" class=\"wp-image-2835\" srcset=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/11\/Capa-PHP.png 758w, https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/11\/Capa-PHP-300x169.png 300w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/a><figcaption class=\"wp-element-caption\">PHP<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">E se voc\u00ea gosta do nosso conte\u00fado, n\u00e3o deixe de contribuir adquirindo os servi\u00e7os e produtos dos nossos apoiadores e empresas que somos associados:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/hostinger.com.br\/?REFERRALCODE=1THIAGO62\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"250\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/03\/hostinger.png\" alt=\"Hospedagem Hostinger\" class=\"wp-image-92\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/3SNDYlc\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"250\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/08\/ofertas-amazon.webp\" alt=\"Ofertas Amazon\" class=\"wp-image-1308\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/3SNKmt0\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"250\" src=\"https:\/\/thiagorossi.com.br\/blog\/wp-content\/uploads\/2024\/08\/amazonprime.webp\" alt=\"Amazon Prime\" class=\"wp-image-1307\"\/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>Middlewares no Laravel: No Laravel 12, os Middlewares s\u00e3o o mecanismo essencial para interceptar e&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1642,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laravel","wpcat-18-id"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Middlewares no Laravel - BLOG THIAGO ROSSI<\/title>\n<meta name=\"description\" content=\"Middlewares no Laravel: Neste artigo, vamos explorar a fundo os middlewares no Laravel, desde os conceitos b\u00e1sicos at\u00e9 exemplos pr\u00e1ticos...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thiagorossi.com.br\/blog\/middlewares-no-laravel\/\" \/>\n<meta property=\"og:locale\" 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