upload page added

This commit is contained in:
hladu357 2024-06-13 16:22:59 +02:00
parent 534a84e51a
commit 2d159874f1
4 changed files with 450 additions and 33 deletions

View File

@ -1,45 +1,240 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chunked File Upload</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Upload with Drag and Drop</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.drop-area-container {
text-align: center;
}
.drop-area {
width: 300px;
height: 200px;
border: 2px dashed #ccc;
border-radius: 10px;
display: inline-flex;
justify-content: center;
align-items: center;
color: #888;
font-size: 1.2rem;
margin-bottom: 20px;
}
.drop-area.active {
border-color: #38a169;
color: #38a169;
}
.file-input {
display: none;
}
.file-input-label {
display: inline-block;
padding: 10px 15px;
background-color: #007bff;
color: #fff;
border-radius: 5px;
cursor: pointer;
margin-right: 10px;
}
.upload-button {
padding: 10px 20px;
background-color: #38a169;
color: #fff;
border: none;
border-radius: 5px;
cursor: pointer;
margin-top: 10px;
}
.file-list {
margin-top: 20px;
text-align: left;
}
.file-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 5px;
padding: 5px;
border: 1px solid #ccc;
border-radius: 5px;
}
.cancel-button {
background-color: #dc3545;
color: #fff;
border: none;
border-radius: 5px;
padding: 5px;
cursor: pointer;
}
.progress-bar-container {
margin-top: 20px;
width: 100%;
background-color: #e0e0e0;
border-radius: 10px;
}
.progress-bar {
height: 20px;
background-color: #38a169;
width: 0;
max-width: 100%;
border-radius: 10px;
text-align: center;
color: white;
line-height: 20px;
}
</style>
</head>
<body>
<input type="file" id="fileInput">
<button onclick="uploadFile()">Upload</button>
<div class="drop-area-container">
<div class="drop-area" id="dropArea">
<p>Drag & Drop files here</p>
</div>
<label for="fileInput" class="file-input-label">Select files</label>
<input type="file" id="fileInput" class="file-input" multiple>
<button id="uploadButton" class="upload-button">Upload</button>
<script>
async function uploadFile() {
const fileInput = document.getElementById('fileInput');
const file = fileInput.files[0];
const chunkSize = 10 * 1024 * 1024; // 10 MB
const totalChunks = Math.ceil(file.size / chunkSize);
<div class="file-list" id="fileList"></div>
for (let chunkIndex = 0; chunkIndex < totalChunks; chunkIndex++) {
const start = chunkIndex * chunkSize;
const end = Math.min(start + chunkSize, file.size);
const chunk = file.slice(start, end);
<div class="progress-bar-container">
<div class="progress-bar" id="progressBar">0%</div>
</div>
</div>
const formData = new FormData();
formData.append('chunk', chunk);
formData.append('filename', file.name);
formData.append('chunkIndex', chunkIndex);
formData.append('totalChunks', totalChunks);
<script>
const dropArea = document.getElementById('dropArea');
const fileInput = document.getElementById('fileInput');
const uploadButton = document.getElementById('uploadButton');
const fileList = document.getElementById('fileList');
const progressBar = document.getElementById('progressBar');
let filesToUpload = []; // Array to store files to upload
const response = await fetch('/upload', {
method: 'POST',
body: formData,
});
// Get the size limit from the URL parameter 'limit'
const urlParams = new URLSearchParams(window.location.search);
const sizeLimit = parseInt(urlParams.get('limit')) || 10485760; // Default to 10MB if no limit specified
if (!response.ok) {
console.error('Failed to upload chunk', chunkIndex);
return;
}
}
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, preventDefaults, false);
});
console.log('File uploaded successfully');
function preventDefaults(e) {
e.preventDefault();
e.stopPropagation();
}
['dragenter', 'dragover'].forEach(eventName => {
dropArea.addEventListener(eventName, highlight, false);
});
['dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, unhighlight, false);
});
function highlight() {
dropArea.classList.add('active');
}
function unhighlight() {
dropArea.classList.remove('active');
}
dropArea.addEventListener('drop', handleDrop, false);
function handleDrop(e) {
let dt = e.dataTransfer;
let files = dt.files;
addFilesToUpload(files);
updateFileList();
updateProgressBar();
}
fileInput.addEventListener('change', function(e) {
let files = this.files;
addFilesToUpload(files);
updateFileList();
updateProgressBar();
});
function addFilesToUpload(newFiles) {
filesToUpload = [...filesToUpload, ...newFiles];
}
function updateFileList() {
fileList.innerHTML = ''; // Clear previous file list
filesToUpload.forEach((file, index) => {
const fileSize = getFileSize(file.size);
const listItem = document.createElement('div');
listItem.classList.add('file-item');
listItem.innerHTML = `
<span>${file.name} (${fileSize})</span>
<button class="cancel-button" data-index="${index}">Cancel</button>
`;
fileList.appendChild(listItem);
});
document.querySelectorAll('.cancel-button').forEach(button => {
button.addEventListener('click', removeFile, false);
});
}
function removeFile(e) {
const index = e.target.dataset.index;
filesToUpload.splice(index, 1);
updateFileList();
updateProgressBar();
}
function updateProgressBar() {
const totalSize = filesToUpload.reduce((acc, file) => acc + file.size, 0);
const usedPercentage = (totalSize / sizeLimit) * 100;
progressBar.style.width = `${Math.min(usedPercentage, 100)}%`;
progressBar.textContent = `${Math.min(usedPercentage, 100).toFixed(2)}%`;
if (usedPercentage > 100) {
progressBar.style.backgroundColor = '#dc3545'; // Red if over limit
alert('Total file size exceeds the limit!');
} else {
progressBar.style.backgroundColor = '#38a169'; // Green if within limit
}
</script>
}
function getFileSize(size) {
if (size === 0) return '0 Bytes';
const k = 1024;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
const i = Math.floor(Math.log(size) / Math.log(k));
return parseFloat((size / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}
uploadButton.addEventListener('click', function() {
if (filesToUpload.length > 0) {
const totalSize = filesToUpload.reduce((acc, file) => acc + file.size, 0);
if (totalSize > sizeLimit) {
alert('Total file size exceeds the limit! Please remove some files.');
} else {
// Here you can send filesToUpload to the server or perform other actions
console.log('Uploading files:', filesToUpload);
alert('Files uploaded successfully!');
// Clear the filesToUpload array and update the file list display
filesToUpload = [];
updateFileList();
updateProgressBar();
}
} else {
alert('Please select files to upload.');
}
});
</script>
</body>
</html>
</html>

0
html/user_bad.html Normal file
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192
html/user_good.html Normal file
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@ -0,0 +1,192 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Upload with Drag and Drop</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.drop-area-container {
text-align: center;
}
.drop-area {
width: 300px;
height: 200px;
border: 2px dashed #ccc;
border-radius: 10px;
display: inline-flex;
justify-content: center;
align-items: center;
color: #888;
font-size: 1.2rem;
margin-bottom: 20px;
}
.drop-area.active {
border-color: #38a169;
color: #38a169;
}
.file-input {
display: none;
}
.file-input-label {
display: inline-block;
padding: 10px 15px;
background-color: #007bff;
color: #fff;
border-radius: 5px;
cursor: pointer;
margin-right: 10px;
}
.upload-button {
padding: 10px 20px;
background-color: #38a169;
color: #fff;
border: none;
border-radius: 5px;
cursor: pointer;
margin-top: 10px;
}
.file-list {
margin-top: 20px;
text-align: left;
}
.file-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 5px;
padding: 5px;
border: 1px solid #ccc;
border-radius: 5px;
}
.cancel-button {
background-color: #dc3545;
color: #fff;
border: none;
border-radius: 5px;
padding: 5px;
cursor: pointer;
}
</style>
</head>
<body>
<div class="drop-area-container">
<div class="drop-area" id="dropArea">
<p>Drag & Drop files here</p>
</div>
<label for="fileInput" class="file-input-label">Select files</label>
<input type="file" id="fileInput" class="file-input" multiple>
<button id="uploadButton" class="upload-button">Upload</button>
<div class="file-list" id="fileList"></div>
</div>
<script>
const dropArea = document.getElementById('dropArea');
const fileInput = document.getElementById('fileInput');
const uploadButton = document.getElementById('uploadButton');
const fileList = document.getElementById('fileList');
let filesToUpload = []; // Array to store files to upload
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, preventDefaults, false);
});
function preventDefaults(e) {
e.preventDefault();
e.stopPropagation();
}
['dragenter', 'dragover'].forEach(eventName => {
dropArea.addEventListener(eventName, highlight, false);
});
['dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, unhighlight, false);
});
function highlight() {
dropArea.classList.add('active');
}
function unhighlight() {
dropArea.classList.remove('active');
}
dropArea.addEventListener('drop', handleDrop, false);
function handleDrop(e) {
let dt = e.dataTransfer;
let files = dt.files;
addFilesToUpload(files);
updateFileList();
}
fileInput.addEventListener('change', function(e) {
let files = this.files;
addFilesToUpload(files);
updateFileList();
});
function addFilesToUpload(newFiles) {
filesToUpload = [...filesToUpload, ...newFiles];
}
function updateFileList() {
fileList.innerHTML = ''; // Clear previous file list
filesToUpload.forEach((file, index) => {
const fileSize = getFileSize(file.size);
const listItem = document.createElement('div');
listItem.classList.add('file-item');
listItem.innerHTML = `
<span>${file.name} (${fileSize})</span>
<button class="cancel-button" data-index="${index}">Cancel</button>
`;
fileList.appendChild(listItem);
});
document.querySelectorAll('.cancel-button').forEach(button => {
button.addEventListener('click', removeFile, false);
});
}
function removeFile(e) {
const index = e.target.dataset.index;
filesToUpload.splice(index, 1);
updateFileList();
}
function getFileSize(size) {
if (size === 0) return '0 Bytes';
const k = 1024;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
const i = Math.floor(Math.log(size) / Math.log(k));
return parseFloat((size / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}
uploadButton.addEventListener('click', function() {
if (filesToUpload.length > 0) {
// Here you can send filesToUpload to the server or perform other actions
console.log('Uploading files:', filesToUpload);
alert('Files uploaded successfully!');
// Clear the filesToUpload array and update the file list display
filesToUpload = [];
updateFileList();
} else {
alert('Please select files to upload.');
}
});
</script>
</body>
</html>

View File

@ -59,6 +59,13 @@ func (d *UploadDatabase) commit(size int64, finalName string, lifefile time.Dura
return id
}
func (d *UploadDatabase) exists(id uuid.UUID) bool {
d.mtx.Lock()
defer d.mtx.Unlock()
_, found := d.data[id]
return found
}
func (d *UploadDatabase) activate(id uuid.UUID) *UploadContext {
d.mtx.Lock()
defer d.mtx.Unlock()
@ -69,7 +76,12 @@ func (d *UploadDatabase) activate(id uuid.UUID) *UploadContext {
}
func (d *UploadDatabase) deactivate(id uuid.UUID) {
}
func (d *UploadDatabase) getSize(id uuid.UUID) int64 {
d.mtx.Lock()
defer d.mtx.Unlock()
return d.data[id].maxSize
}
func initialize() {
@ -127,7 +139,7 @@ func generateHandler(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Commit failed", http.StatusBadRequest)
return
}
uploadLink = fmt.Sprintf("https://localhost:8080/upload?key=%s", id)
uploadLink = fmt.Sprintf("http://localhost:8080/upload?key=%s", id)
response := map[string]string{"uploadLink": uploadLink}
w.Header().Set("Content-Type", "application/json")
@ -138,7 +150,25 @@ func generateHandler(w http.ResponseWriter, r *http.Request) {
}
func uploadHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
w.WriteHeader(http.StatusMethodNotAllowed)
}
id, err := uuid.Parse(r.URL.Query().Get("key"))
if err != nil || !db.exists(id) {
http.ServeFile(w, r, "./html/user_bad.html")
return
}
if !r.URL.Query().Has("limit") {
q := r.URL.Query()
q.Set("limit", strconv.FormatInt(db.getSize(id), 10))
r.URL.RawQuery = q.Encode()
http.Redirect(w, r, r.URL.String(), http.StatusSeeOther)
return
}
http.ServeFile(w, r, "./html/user.html")
}
func fileHandler(w http.ResponseWriter, r *http.Request) {