File size: 7,879 Bytes
788bfc4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Uploader</title>
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
<style>
body {
padding-top: 40px;
padding-bottom: 40px;
background-color: #f5f5f5;
}
.container {
max-width: 600px;
}
.upload-form {
background-color: #fff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.progress-container {
margin-top: 20px;
display: none; /* Hidden by default */
}
#uploadInfo {
margin-top: 10px;
font-size: 0.9em;
}
#downloadLinkContainer {
margin-top: 20px;
display: none; /* Hidden by default */
}
.loader {
border: 5px solid #f3f3f3; /* Light grey */
border-top: 5px solid #3498db; /* Blue */
border-radius: 50%;
width: 30px;
height: 30px;
animation: spin 1s linear infinite;
display: none; /* Hidden by default */
margin: 10px auto;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
</head>
<body>
<div class="container">
<div class="upload-form">
<h2 class="text-center mb-4">Upload a File</h2>
<form id="uploadForm" enctype="multipart/form-data">
<div class="mb-3">
<label for="fileInput" class="form-label">Choose file</label>
<input class="form-control" type="file" id="fileInput" name="file" required>
</div>
<button type="submit" class="btn btn-primary w-100">Upload</button>
</form>
<div class="loader" id="loader"></div>
<div class="progress-container" id="progressContainer">
<div class="progress">
<div id="progressBar" class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" style="width: 0%;" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100">0%</div>
</div>
<div id="uploadInfo" class="text-muted"></div>
</div>
<div id="downloadLinkContainer" class="alert alert-success" role="alert">
<strong>Success!</strong> File uploaded. <br>
Download link: <a href="#" id="downloadLink" target="_blank"></a>
</div>
<div id="errorContainer" class="alert alert-danger mt-3" role="alert" style="display: none;">
<strong>Error:</strong> <span id="errorMessage"></span>
</div>
</div>
</div>
<!-- Bootstrap JS Bundle (Popper.js included) -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
<script>
const uploadForm = document.getElementById('uploadForm');
const fileInput = document.getElementById('fileInput');
const loader = document.getElementById('loader');
const progressContainer = document.getElementById('progressContainer');
const progressBar = document.getElementById('progressBar');
const uploadInfo = document.getElementById('uploadInfo');
const downloadLinkContainer = document.getElementById('downloadLinkContainer');
const downloadLink = document.getElementById('downloadLink');
const errorContainer = document.getElementById('errorContainer');
const errorMessage = document.getElementById('errorMessage');
let startTime;
uploadForm.addEventListener('submit', async function(event) {
event.preventDefault();
const file = fileInput.files[0];
if (!file) {
alert('Please select a file to upload.');
return;
}
const formData = new FormData();
formData.append('file', file);
// Reset UI
loader.style.display = 'block';
progressContainer.style.display = 'block';
progressBar.style.width = '0%';
progressBar.textContent = '0%';
uploadInfo.textContent = 'Starting upload...';
downloadLinkContainer.style.display = 'none';
errorContainer.style.display = 'none';
startTime = Date.now();
const xhr = new XMLHttpRequest();
xhr.open('POST', '/upload/', true);
xhr.upload.onprogress = function(event) {
if (event.lengthComputable) {
const percentComplete = Math.round((event.loaded / event.total) * 100);
progressBar.style.width = percentComplete + '%';
progressBar.textContent = percentComplete + '%';
const elapsedTime = (Date.now() - startTime) / 1000; // seconds
const speed = event.loaded / elapsedTime; // bytes per second
const speedMbps = (speed * 8 / 1000000).toFixed(2); // Mbps
uploadInfo.textContent = `Uploaded ${formatBytes(event.loaded)} of ${formatBytes(event.total)} (${percentComplete}%) at ${speedMbps} Mbps`;
}
};
xhr.onload = function() {
loader.style.display = 'none';
if (xhr.status === 200) {
const response = JSON.parse(xhr.responseText);
uploadInfo.textContent = 'Upload complete!';
progressBar.classList.remove('progress-bar-animated');
progressBar.classList.add('bg-success');
downloadLink.href = response.download_url;
// The filename in the link text should be the one returned by the server (sanitized)
downloadLink.textContent = response.filename;
downloadLinkContainer.style.display = 'block';
} else {
progressBar.classList.remove('progress-bar-animated');
progressBar.classList.add('bg-danger');
try {
const errorResponse = JSON.parse(xhr.responseText);
errorMessage.textContent = errorResponse.detail || `Server error: ${xhr.status}`;
} catch (e) {
errorMessage.textContent = `Server error: ${xhr.status} - ${xhr.statusText}`;
}
errorContainer.style.display = 'block';
uploadInfo.textContent = 'Upload failed.';
}
};
xhr.onerror = function() {
loader.style.display = 'none';
progressBar.classList.remove('progress-bar-animated');
progressBar.classList.add('bg-danger');
errorMessage.textContent = 'Network error or server unavailable.';
errorContainer.style.display = 'block';
uploadInfo.textContent = 'Upload failed.';
};
xhr.send(formData);
});
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
}
</script>
</body>
</html> |