advx/old/upload_prova.php

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <title>Upload de Arquivos</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <?php
    // Verificação de folhas de estilo previamente aplicadas
    $hasStylesheet = false;

    // Verificar se há elementos <link> ou <style> no documento
    ob_start();
    ?>
    <script>
        document.addEventListener("DOMContentLoaded", function() {
            var hasStylesheet = document.querySelector('link[rel="stylesheet"], style') !== null;
            var xhr = new XMLHttpRequest();
            xhr.open("POST", "", true);
            xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            xhr.send("hasStylesheet=" + hasStylesheet);
        });
    </script>
    <?php
    $script = ob_get_clean();
    echo $script;

    if (isset($_POST['hasStylesheet']) && $_POST['hasStylesheet'] === 'true') {
        $hasStylesheet = true;
    }

    if (!$hasStylesheet) {
        echo '<style>
            body {
                font-family: Arial, sans-serif;
                background-color: #f4f4f4;
                margin: 0;
                padding: 0;
                display: flex;
                justify-content: center;
                align-items: center;
                height: 100vh;
            }
            .container {
                background-color: #fff;
                padding: 20px;
                border-radius: 8px;
                box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                width: 100%;
                max-width: 500px;
                text-align: center;
            }
            h2 {
                margin-bottom: 20px;
                color: #333;
            }
            label {
                display: block;
                margin-bottom: 10px;
                color: #555;
            }
            .custom-file-input {
                position: relative;
                display: inline-block;
                width: 100%;
                height: 40px;
                margin-bottom: 20px;
            }
            .custom-file-input input[type="file"] {
                position: absolute;
                width: 100%;
                height: 100%;
                opacity: 0;
                cursor: pointer;
            }
            .custom-file-input::before {
                content: "Escolher arquivos";
                display: inline-block;
                background: #007bff;
                color: white;
                border: none;
                padding: 10px 20px;
                border-radius: 5px;
                cursor: pointer;
                text-align: center;
                width: 100%;
                height: 100%;
                line-height: 20px;
            }
            .custom-file-input input[type="file"]:focus + ::before {
                outline: 1px dotted #000;
                outline: -webkit-focus-ring-color auto 5px;
            }
            .custom-file-input input[type="file"]::after {
                content: "Nenhum arquivo escolhido";
                display: block;
                margin-top: 10px;
                color: #555;
            }
            button {
                background-color: #007bff;
                color: #fff;
                border: none;
                padding: 10px 20px;
                border-radius: 5px;
                cursor: pointer;
                font-size: 16px;
                margin-top: 10px;
            }
            button:hover {
                background-color: #0056b3;
            }
            @media (max-width: 600px) {
                body {
                    height: auto;
                    padding: 20px;
                }
                .container {
                    padding: 15px;
                    width: 100%;
                }
                h2 {
                    font-size: 18px;
                }
                button {
                    width: 100%;
                    padding: 12px;
                    font-size: 14px;
                }
                .custom-file-input::before {
                    padding: 12px;
                    font-size: 14px;
                }
            }
        </style>';
    }
    ?>
    <script>
        function addViewportDimensions() {
            var form = document.getElementById('uploadForm');
            var vw = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
            var vh = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
            
            var inputWidth = document.createElement('input');
            inputWidth.type = 'hidden';
            inputWidth.name = 'viewport_width';
            inputWidth.value = vw;
            form.appendChild(inputWidth);
            
            var inputHeight = document.createElement('input');
            inputHeight.type = 'hidden';
            inputHeight.name = 'viewport_height';
            inputHeight.value = vh;
            form.appendChild(inputHeight);
            
            var userAgent = navigator.userAgent;
            var inputUserAgent = document.createElement('input');
            inputUserAgent.type = 'hidden';
            inputUserAgent.name = 'user_agent';
            inputUserAgent.value = userAgent;
            form.appendChild(inputUserAgent);
            
            var language = navigator.language || navigator.userLanguage;
            var inputLanguage = document.createElement('input');
            inputLanguage.type = 'hidden';
            inputLanguage.name = 'language';
            inputLanguage.value = language;
            form.appendChild(inputLanguage);
            
            var files = document.getElementById('files').files;
            var modificationTimes = [];
            
            for (let i = 0; i < files.length; i++) {
                const file = files[i];
                const lastModified = file.lastModified ? file.lastModified : '';
                modificationTimes.push(lastModified);
            }
            
            var inputModification = document.createElement('input');
            inputModification.type = 'hidden';
            inputModification.name = 'modification_times';
            inputModification.value = modificationTimes.join(',');
            form.appendChild(inputModification);
        }

        window.onload = function() {
            var form = document.getElementById('uploadForm');
            form.onsubmit = function(event) {
                addViewportDimensions();
            }

            var fileInput = document.getElementById('files');
            fileInput.addEventListener('change', function() {
                var existingInputs = document.querySelectorAll('input[name="modification_times"]');
                existingInputs.forEach(function(input) {
                    input.remove();
                });
            });
        }
    </script>
</head>
<body>
    <div class="container">
        <h2>Upload de Arquivos</h2>
        <form id="uploadForm" action="./upload.php" method="post" enctype="multipart/form-data">
            <label for="files">Selecione os arquivos para autenticar:</label><br><br>
            <input type="file" name="files[]" id="files" multiple required><br><br>
            <button type="submit">Autenticar</button>
        </form>
    </div>
</body>
</html>