Pull out index.html
This commit is contained in:
Nils O. Selåsdal
+2
-2
@@ -5,7 +5,7 @@ WORKDIR /build
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COPY go.mod ./
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RUN go mod download
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COPY main.go ./
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COPY index.html.tmpl main.go ./
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RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o beam .
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@@ -16,7 +16,7 @@ RUN adduser -D -u 1000 beam
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USER beam
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WORKDIR /app
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COPY --from=builder /build/beam .
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COPY --from=builder /build/index.html.tmpl /build/beam .
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EXPOSE 8080
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+197
@@ -0,0 +1,197 @@
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Beam - File Upload Service</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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font-family: monospace;
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max-width: 800px;
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margin: 40px auto;
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padding: 20px;
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line-height: 1.6;
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}
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h1 { margin-bottom: 30px; font-size: 2em; }
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h2 { margin: 30px 0 15px 0; font-size: 1.3em; }
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.section {
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background: #f5f5f5;
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padding: 20px;
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margin: 20px 0;
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border-radius: 4px;
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}
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code {
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background: #333;
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color: #0f0;
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padding: 15px;
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display: block;
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margin: 10px 0;
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border-radius: 4px;
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overflow-x: auto;
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}
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.upload-area {
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border: 3px dashed #ccc;
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padding: 40px;
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text-align: center;
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cursor: pointer;
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transition: all 0.3s;
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}
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.upload-area.dragover {
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border-color: #333;
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background: #f0f0f0;
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}
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.upload-area:hover {
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border-color: #666;
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}
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input[type="file"] { display: none; }
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button {
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background: #333;
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color: white;
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border: none;
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padding: 10px 20px;
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cursor: pointer;
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font-family: monospace;
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font-size: 1em;
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border-radius: 4px;
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margin-top: 10px;
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}
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button:hover { background: #555; }
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.progress-container {
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width: 100%%;
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background: #ddd;
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border-radius: 4px;
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margin: 10px 0;
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height: 20px;
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display: none;
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}
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.progress-bar {
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height: 100%%;
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background: #333;
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border-radius: 4px;
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width: 0;
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transition: width 0.3s;
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}
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.results {
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margin-top: 20px;
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}
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.result-item {
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background: white;
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padding: 10px;
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margin: 5px 0;
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border-radius: 4px;
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word-break: break-all;
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}
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.result-item a {
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color: #0066cc;
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}
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</style>
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</head>
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<body>
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<h1>🚀 Beam - File Upload Service</h1>
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<div class="section">
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<h2>Upload with curl</h2>
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<code>curl --upload-file myfile.txt {{ .Proto }}://{{ .Host }}/myfile.txt</code>
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<p style="margin-top: 10px;">The server will respond with a download URL.</p>
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</div>
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<div class="section">
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<h2>Download a file</h2>
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<code>curl {{ .Proto }}://{{ .Host }}/x123abcx/myfile.txt -o myfile.txt</code>
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<p style="margin-top: 10px;">Or simply open the URL in your browser.</p>
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</div>
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<div class="section">
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<h2>Web Upload</h2>
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<div class="upload-area" id="uploadArea">
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<p>📁 Click to select files or drag and drop here</p>
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<input type="file" id="fileInput" multiple>
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<button onclick="document.getElementById('fileInput').click()">Select Files</button>
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</div>
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<div class="progress-container" id="progressContainer">
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<div class="progress-bar" id="progressBar"></div>
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</div>
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<div class="results" id="results"></div>
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</div>
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<script>
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const uploadArea = document.getElementById('uploadArea');
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const fileInput = document.getElementById('fileInput');
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const progressContainer = document.getElementById('progressContainer');
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const progressBar = document.getElementById('progressBar');
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const results = document.getElementById('results');
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uploadArea.addEventListener('click', () => fileInput.click());
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uploadArea.addEventListener('dragover', (e) => {
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e.preventDefault();
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uploadArea.classList.add('dragover');
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});
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uploadArea.addEventListener('dragleave', () => {
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uploadArea.classList.remove('dragover');
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});
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uploadArea.addEventListener('drop', (e) => {
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e.preventDefault();
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uploadArea.classList.remove('dragover');
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const files = e.dataTransfer.files;
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uploadFiles(files);
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});
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fileInput.addEventListener('change', (e) => {
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uploadFiles(e.target.files);
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});
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function uploadFiles(files) {
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if (files.length === 0) return;
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const formData = new FormData();
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for (let file of files) {
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formData.append('files', file);
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}
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progressContainer.style.display = 'block';
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progressBar.style.width = '0%%';
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results.innerHTML = '';
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const xhr = new XMLHttpRequest();
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xhr.upload.addEventListener('progress', (e) => {
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if (e.lengthComputable) {
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const percent = (e.loaded / e.total) * 100;
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progressBar.style.width = percent + '%%';
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}
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});
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xhr.addEventListener('load', () => {
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if (xhr.status === 200) {
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const response = JSON.parse(xhr.responseText);
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displayResults(response.urls);
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} else {
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results.innerHTML = '<div class="result-item">Upload failed: ' + xhr.statusText + '</div>';
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}
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progressBar.style.width = '100%%';
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});
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xhr.addEventListener('error', () => {
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results.innerHTML = '<div class="result-item">Upload failed: Network error</div>';
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});
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xhr.open('POST', '/upload');
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xhr.send(formData);
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}
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function displayResults(urls) {
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results.innerHTML = '<h3>Download URLs:</h3>';
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urls.forEach(url => {
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const div = document.createElement('div');
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div.className = 'result-item';
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div.innerHTML = '<a href="' + url + '" target="_blank">' + url + '</a>';
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results.appendChild(div);
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});
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}
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</script>
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</body>
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</html>
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@@ -11,13 +11,14 @@ import (
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"path/filepath"
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"strings"
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"time"
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"html/template"
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)
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var uploadDir string
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const idLength = 8
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const idCharset = "abcdefghijklmnopqrstuvwxyz0123456789"
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var indexHTML *template.Template
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func main() {
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uploadDir = os.Getenv("UPLOAD_DIR")
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if uploadDir == "" {
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@@ -32,7 +33,7 @@ func main() {
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if err := os.MkdirAll(uploadDir, 0755); err != nil {
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log.Fatalf("Failed to create upload directory: %v", err)
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}
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indexHTML = template.Must(template.ParseFiles("index.html.tmpl"))
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http.HandleFunc("/", handleRequest)
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log.Printf("Starting server on port %s, upload directory: %s", port, uploadDir)
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@@ -49,6 +50,9 @@ func handleRequest(w http.ResponseWriter, r *http.Request) {
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logRequest(r, 200, time.Since(start))
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return
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}
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if r.Method == "GET" && r.URL.Path == "/healthz" {
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return
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}
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if r.Method == "POST" && r.URL.Path == "/upload" {
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handleMultipartUpload(w, r, start)
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@@ -327,204 +331,8 @@ func logRequest(r *http.Request, status int, duration time.Duration) {
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func serveFrontpage(w http.ResponseWriter, r *http.Request) {
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proto := getProtocol(r)
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host := getHost(r)
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html := fmt.Sprintf(`<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Beam - File Upload Service</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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font-family: monospace;
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max-width: 800px;
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margin: 40px auto;
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padding: 20px;
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line-height: 1.6;
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}
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h1 { margin-bottom: 30px; font-size: 2em; }
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h2 { margin: 30px 0 15px 0; font-size: 1.3em; }
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.section {
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background: #f5f5f5;
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padding: 20px;
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margin: 20px 0;
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border-radius: 4px;
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}
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code {
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background: #333;
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color: #0f0;
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padding: 15px;
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display: block;
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margin: 10px 0;
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border-radius: 4px;
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overflow-x: auto;
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}
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.upload-area {
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border: 3px dashed #ccc;
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padding: 40px;
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text-align: center;
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cursor: pointer;
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transition: all 0.3s;
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}
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.upload-area.dragover {
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border-color: #333;
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background: #f0f0f0;
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}
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.upload-area:hover {
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border-color: #666;
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}
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input[type="file"] { display: none; }
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button {
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background: #333;
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color: white;
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border: none;
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padding: 10px 20px;
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cursor: pointer;
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font-family: monospace;
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font-size: 1em;
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border-radius: 4px;
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margin-top: 10px;
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}
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button:hover { background: #555; }
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.progress-container {
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width: 100%%;
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background: #ddd;
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border-radius: 4px;
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margin: 10px 0;
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height: 20px;
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display: none;
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}
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.progress-bar {
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height: 100%%;
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background: #333;
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border-radius: 4px;
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width: 0;
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transition: width 0.3s;
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}
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.results {
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margin-top: 20px;
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}
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.result-item {
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background: white;
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padding: 10px;
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margin: 5px 0;
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border-radius: 4px;
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word-break: break-all;
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}
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.result-item a {
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color: #0066cc;
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}
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</style>
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</head>
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<body>
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<h1>🚀 Beam - File Upload Service</h1>
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<div class="section">
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<h2>Upload with curl (Recommended)</h2>
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<code>curl --upload-file myfile.txt %s://%s/myfile.txt</code>
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<p style="margin-top: 10px;">The server will respond with a download URL.</p>
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</div>
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<div class="section">
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<h2>Download a file</h2>
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<code>curl %s://%s/xxxxxxxx/myfile.txt -o myfile.txt</code>
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<p style="margin-top: 10px;">Or simply open the URL in your browser.</p>
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</div>
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<div class="section">
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<h2>Web Upload</h2>
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<div class="upload-area" id="uploadArea">
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<p>📁 Click to select files or drag and drop here</p>
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<input type="file" id="fileInput" multiple>
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<button onclick="document.getElementById('fileInput').click()">Select Files</button>
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</div>
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<div class="progress-container" id="progressContainer">
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<div class="progress-bar" id="progressBar"></div>
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</div>
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<div class="results" id="results"></div>
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</div>
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<script>
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const uploadArea = document.getElementById('uploadArea');
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const fileInput = document.getElementById('fileInput');
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const progressContainer = document.getElementById('progressContainer');
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const progressBar = document.getElementById('progressBar');
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const results = document.getElementById('results');
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uploadArea.addEventListener('click', () => fileInput.click());
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uploadArea.addEventListener('dragover', (e) => {
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e.preventDefault();
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uploadArea.classList.add('dragover');
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});
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uploadArea.addEventListener('dragleave', () => {
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uploadArea.classList.remove('dragover');
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});
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uploadArea.addEventListener('drop', (e) => {
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e.preventDefault();
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uploadArea.classList.remove('dragover');
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const files = e.dataTransfer.files;
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uploadFiles(files);
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});
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fileInput.addEventListener('change', (e) => {
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uploadFiles(e.target.files);
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});
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function uploadFiles(files) {
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if (files.length === 0) return;
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const formData = new FormData();
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for (let file of files) {
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formData.append('files', file);
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}
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progressContainer.style.display = 'block';
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progressBar.style.width = '0%%';
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results.innerHTML = '';
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const xhr = new XMLHttpRequest();
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xhr.upload.addEventListener('progress', (e) => {
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if (e.lengthComputable) {
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const percent = (e.loaded / e.total) * 100;
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progressBar.style.width = percent + '%%';
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}
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});
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xhr.addEventListener('load', () => {
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if (xhr.status === 200) {
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const response = JSON.parse(xhr.responseText);
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displayResults(response.urls);
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} else {
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results.innerHTML = '<div class="result-item">Upload failed: ' + xhr.statusText + '</div>';
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}
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progressBar.style.width = '100%%';
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});
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xhr.addEventListener('error', () => {
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results.innerHTML = '<div class="result-item">Upload failed: Network error</div>';
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});
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xhr.open('POST', '/upload');
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xhr.send(formData);
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}
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function displayResults(urls) {
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results.innerHTML = '<h3>Download URLs:</h3>';
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urls.forEach(url => {
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const div = document.createElement('div');
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div.className = 'result-item';
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div.innerHTML = '<a href="' + url + '" target="_blank">' + url + '</a>';
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results.appendChild(div);
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});
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}
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</script>
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</body>
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</html>`, proto, host, proto, host)
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pageData := map[string]string {"Proto": proto, "Host":host}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.Write([]byte(html))
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indexHTML.Execute(w, pageData)
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}
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Reference in New Issue
Block a user