Xteink-X4-crosspoint-reader/src/CrossPointWebServer.cpp
2025-12-16 21:20:45 -05:00

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#include "CrossPointWebServer.h"
#include <SD.h>
#include <WiFi.h>
#include <algorithm>
#include "config.h"
// Global instance
CrossPointWebServer crossPointWebServer;
// Folders/files to hide from the web interface file browser
// Note: Items starting with "." are automatically hidden
static const char* HIDDEN_ITEMS[] = {
"System Volume Information",
"XTCache"
};
static const size_t HIDDEN_ITEMS_COUNT = sizeof(HIDDEN_ITEMS) / sizeof(HIDDEN_ITEMS[0]);
// Helper function to escape HTML special characters to prevent XSS
static String escapeHtml(const String& input) {
String output;
output.reserve(input.length() * 1.1); // Pre-allocate with some extra space
for (size_t i = 0; i < input.length(); i++) {
char c = input.charAt(i);
switch (c) {
case '&': output += "&amp;"; break;
case '<': output += "&lt;"; break;
case '>': output += "&gt;"; break;
case '"': output += "&quot;"; break;
case '\'': output += "&#39;"; break;
default: output += c; break;
}
}
return output;
}
// HTML page template
static const char* HTML_PAGE = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CrossPoint Reader</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
background-color: #f5f5f5;
color: #333;
}
h1 {
color: #2c3e50;
border-bottom: 2px solid #3498db;
padding-bottom: 10px;
}
h2 {
color: #34495e;
margin-top: 0;
}
.card {
background: white;
border-radius: 8px;
padding: 20px;
margin: 15px 0;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.info-row {
display: flex;
justify-content: space-between;
padding: 8px 0;
border-bottom: 1px solid #eee;
}
.info-row:last-child {
border-bottom: none;
}
.label {
font-weight: 600;
color: #7f8c8d;
}
.value {
color: #2c3e50;
}
.status {
display: inline-block;
padding: 4px 12px;
border-radius: 12px;
background-color: #27ae60;
color: white;
font-size: 0.9em;
}
.nav-links {
margin: 20px 0;
}
.nav-links a {
display: inline-block;
padding: 10px 20px;
background-color: #3498db;
color: white;
text-decoration: none;
border-radius: 4px;
margin-right: 10px;
}
.nav-links a:hover {
background-color: #2980b9;
}
</style>
</head>
<body>
<h1>📚 CrossPoint Reader</h1>
<div class="nav-links">
<a href="/">Home</a>
<a href="/files">File Manager</a>
</div>
<div class="card">
<h2>Device Status</h2>
<div class="info-row">
<span class="label">Version</span>
<span class="value">%VERSION%</span>
</div>
<div class="info-row">
<span class="label">WiFi Status</span>
<span class="status">Connected</span>
</div>
<div class="info-row">
<span class="label">IP Address</span>
<span class="value">%IP_ADDRESS%</span>
</div>
<div class="info-row">
<span class="label">Free Memory</span>
<span class="value">%FREE_HEAP% bytes</span>
</div>
</div>
<div class="card">
<p style="text-align: center; color: #95a5a6; margin: 0;">
CrossPoint E-Reader Open Source
</p>
</div>
</body>
</html>
)rawliteral";
// File listing page template
static const char* FILES_PAGE_HEADER = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CrossPoint Reader - Files</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
background-color: #f5f5f5;
color: #333;
}
h1 {
color: #2c3e50;
margin-bottom: 5px;
}
h2 {
color: #34495e;
margin-top: 0;
}
.card {
background: white;
border-radius: 8px;
padding: 20px;
margin: 15px 0;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.page-header {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 15px;
margin-bottom: 20px;
padding-bottom: 15px;
border-bottom: 2px solid #3498db;
}
.page-header-left {
display: flex;
align-items: baseline;
gap: 12px;
flex-wrap: wrap;
}
.breadcrumb-inline {
color: #7f8c8d;
font-size: 1.1em;
}
.breadcrumb-inline a {
color: #3498db;
text-decoration: none;
}
.breadcrumb-inline a:hover {
text-decoration: underline;
}
.breadcrumb-inline .sep {
margin: 0 6px;
color: #bdc3c7;
}
.breadcrumb-inline .current {
color: #2c3e50;
font-weight: 500;
}
.nav-links {
margin: 20px 0;
}
.nav-links a {
display: inline-block;
padding: 10px 20px;
background-color: #3498db;
color: white;
text-decoration: none;
border-radius: 4px;
margin-right: 10px;
}
.nav-links a:hover {
background-color: #2980b9;
}
/* Add dropdown styles */
.add-dropdown {
position: relative;
display: inline-block;
}
.add-btn {
background-color: #e67e22;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
font-weight: 600;
display: flex;
align-items: center;
gap: 6px;
}
.add-btn:hover {
background-color: #d35400;
}
.add-btn .arrow {
font-size: 0.8em;
transition: transform 0.2s;
}
.add-dropdown.open .add-btn .arrow {
transform: rotate(180deg);
}
.dropdown-menu {
display: none;
position: absolute;
right: 0;
top: 100%;
margin-top: 5px;
background: white;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
min-width: 200px;
z-index: 100;
overflow: hidden;
}
.add-dropdown.open .dropdown-menu {
display: block;
}
.dropdown-item {
display: flex;
align-items: center;
gap: 10px;
padding: 12px 16px;
cursor: pointer;
border: none;
background: none;
width: 100%;
text-align: left;
font-size: 1em;
color: #2c3e50;
transition: background-color 0.15s;
}
.dropdown-item:hover {
background-color: #f8f9fa;
}
.dropdown-item .icon {
font-size: 1.2em;
}
.dropdown-divider {
height: 1px;
background-color: #eee;
margin: 0;
}
/* Upload modal */
.modal-overlay {
display: none;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,0.5);
z-index: 200;
justify-content: center;
align-items: center;
}
.modal-overlay.open {
display: flex;
}
.modal {
background: white;
border-radius: 8px;
padding: 25px;
max-width: 450px;
width: 90%;
box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.modal h3 {
margin: 0 0 15px 0;
color: #2c3e50;
}
.modal-close {
float: right;
background: none;
border: none;
font-size: 1.5em;
cursor: pointer;
color: #7f8c8d;
line-height: 1;
}
.modal-close:hover {
color: #2c3e50;
}
.file-table {
width: 100%;
border-collapse: collapse;
}
.file-table th, .file-table td {
padding: 12px;
text-align: left;
border-bottom: 1px solid #eee;
}
.file-table th {
background-color: #f8f9fa;
font-weight: 600;
color: #7f8c8d;
}
.file-table tr:hover {
background-color: #f8f9fa;
}
.epub-file {
background-color: #e8f6e9 !important;
}
.epub-file:hover {
background-color: #d4edda !important;
}
.folder-row {
background-color: #fff9e6 !important;
}
.folder-row:hover {
background-color: #fff3cd !important;
}
.epub-badge {
display: inline-block;
padding: 2px 8px;
background-color: #27ae60;
color: white;
border-radius: 10px;
font-size: 0.75em;
margin-left: 8px;
}
.folder-badge {
display: inline-block;
padding: 2px 8px;
background-color: #f39c12;
color: white;
border-radius: 10px;
font-size: 0.75em;
margin-left: 8px;
}
.file-icon {
margin-right: 8px;
}
.folder-link {
color: #2c3e50;
text-decoration: none;
cursor: pointer;
}
.folder-link:hover {
color: #3498db;
text-decoration: underline;
}
.upload-form {
margin-top: 10px;
}
.upload-form input[type="file"] {
margin: 10px 0;
width: 100%;
}
.upload-btn {
background-color: #27ae60;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
width: 100%;
}
.upload-btn:hover {
background-color: #219a52;
}
.upload-btn:disabled {
background-color: #95a5a6;
cursor: not-allowed;
}
.file-info {
color: #7f8c8d;
font-size: 0.85em;
margin: 8px 0;
}
.no-files {
text-align: center;
color: #95a5a6;
padding: 40px;
font-style: italic;
}
.message {
padding: 15px;
border-radius: 4px;
margin: 15px 0;
}
.message.success {
background-color: #d4edda;
color: #155724;
border: 1px solid #c3e6cb;
}
.message.error {
background-color: #f8d7da;
color: #721c24;
border: 1px solid #f5c6cb;
}
.contents-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}
.contents-title {
font-size: 1.1em;
font-weight: 600;
color: #34495e;
margin: 0;
}
.summary-inline {
color: #7f8c8d;
font-size: 0.9em;
}
#progress-container {
display: none;
margin-top: 10px;
}
#progress-bar {
width: 100%;
height: 20px;
background-color: #e0e0e0;
border-radius: 10px;
overflow: hidden;
}
#progress-fill {
height: 100%;
background-color: #27ae60;
width: 0%;
transition: width 0.3s;
}
#progress-text {
text-align: center;
margin-top: 5px;
font-size: 0.9em;
color: #7f8c8d;
}
.folder-form {
margin-top: 10px;
}
.folder-input {
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 1em;
margin-bottom: 10px;
box-sizing: border-box;
}
.folder-btn {
background-color: #f39c12;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
width: 100%;
}
.folder-btn:hover {
background-color: #d68910;
}
/* Delete button styles */
.delete-btn {
background: none;
border: none;
cursor: pointer;
font-size: 1.1em;
padding: 4px 8px;
border-radius: 4px;
color: #95a5a6;
transition: all 0.15s;
}
.delete-btn:hover {
background-color: #fee;
color: #e74c3c;
}
.actions-col {
width: 60px;
text-align: center;
}
/* Delete modal */
.delete-warning {
color: #e74c3c;
font-weight: 600;
margin: 10px 0;
}
.delete-item-name {
font-weight: 600;
color: #2c3e50;
word-break: break-all;
}
.delete-btn-confirm {
background-color: #e74c3c;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
width: 100%;
}
.delete-btn-confirm:hover {
background-color: #c0392b;
}
.delete-btn-cancel {
background-color: #95a5a6;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
width: 100%;
margin-top: 10px;
}
.delete-btn-cancel:hover {
background-color: #7f8c8d;
}
</style>
</head>
<body>
<div class="nav-links">
<a href="/">Home</a>
<a href="/files">File Manager</a>
</div>
)rawliteral";
static const char* FILES_PAGE_FOOTER = R"rawliteral(
<div class="card">
<p style="text-align: center; color: #95a5a6; margin: 0;">
CrossPoint E-Reader Open Source
</p>
</div>
<!-- Upload Modal -->
<div class="modal-overlay" id="uploadModal">
<div class="modal">
<button class="modal-close" onclick="closeUploadModal()">&times;</button>
<h3>📤 Upload eBook</h3>
<div class="upload-form">
<p class="file-info">Select an .epub file to upload to <strong id="uploadPathDisplay"></strong></p>
<input type="file" id="fileInput" accept=".epub" onchange="validateFile()">
<button id="uploadBtn" class="upload-btn" onclick="uploadFile()" disabled>Upload</button>
<div id="progress-container">
<div id="progress-bar"><div id="progress-fill"></div></div>
<div id="progress-text"></div>
</div>
</div>
</div>
</div>
<!-- New Folder Modal -->
<div class="modal-overlay" id="folderModal">
<div class="modal">
<button class="modal-close" onclick="closeFolderModal()">&times;</button>
<h3>📁 New Folder</h3>
<div class="folder-form">
<p class="file-info">Create a new folder in <strong id="folderPathDisplay"></strong></p>
<input type="text" id="folderName" class="folder-input" placeholder="Folder name...">
<button class="folder-btn" onclick="createFolder()">Create Folder</button>
</div>
</div>
</div>
<!-- Delete Confirmation Modal -->
<div class="modal-overlay" id="deleteModal">
<div class="modal">
<button class="modal-close" onclick="closeDeleteModal()">&times;</button>
<h3>🗑 Delete Item</h3>
<div class="folder-form">
<p class="delete-warning">⚠️ This action cannot be undone!</p>
<p class="file-info">Are you sure you want to delete:</p>
<p class="delete-item-name" id="deleteItemName"></p>
<input type="hidden" id="deleteItemPath">
<input type="hidden" id="deleteItemType">
<button class="delete-btn-confirm" onclick="confirmDelete()">Delete</button>
<button class="delete-btn-cancel" onclick="closeDeleteModal()">Cancel</button>
</div>
</div>
</div>
<script>
// Dropdown toggle
function toggleDropdown() {
const dropdown = document.getElementById('addDropdown');
dropdown.classList.toggle('open');
}
// Close dropdown when clicking outside
document.addEventListener('click', function(e) {
const dropdown = document.getElementById('addDropdown');
if (dropdown && !dropdown.contains(e.target)) {
dropdown.classList.remove('open');
}
});
// Modal functions
function openUploadModal() {
const currentPath = document.getElementById('currentPath').value;
document.getElementById('uploadPathDisplay').textContent = currentPath === '/' ? '/ 🏠' : currentPath;
document.getElementById('uploadModal').classList.add('open');
document.getElementById('addDropdown').classList.remove('open');
}
function closeUploadModal() {
document.getElementById('uploadModal').classList.remove('open');
document.getElementById('fileInput').value = '';
document.getElementById('uploadBtn').disabled = true;
document.getElementById('progress-container').style.display = 'none';
document.getElementById('progress-fill').style.width = '0%';
document.getElementById('progress-fill').style.backgroundColor = '#27ae60';
}
function openFolderModal() {
const currentPath = document.getElementById('currentPath').value;
document.getElementById('folderPathDisplay').textContent = currentPath === '/' ? '/ 🏠' : currentPath;
document.getElementById('folderModal').classList.add('open');
document.getElementById('addDropdown').classList.remove('open');
document.getElementById('folderName').value = '';
}
function closeFolderModal() {
document.getElementById('folderModal').classList.remove('open');
}
// Close modals when clicking overlay
document.querySelectorAll('.modal-overlay').forEach(function(overlay) {
overlay.addEventListener('click', function(e) {
if (e.target === overlay) {
overlay.classList.remove('open');
}
});
});
function validateFile() {
const fileInput = document.getElementById('fileInput');
const uploadBtn = document.getElementById('uploadBtn');
const file = fileInput.files[0];
if (file) {
const fileName = file.name.toLowerCase();
if (!fileName.endsWith('.epub')) {
alert('Only .epub files are allowed!');
fileInput.value = '';
uploadBtn.disabled = true;
return;
}
uploadBtn.disabled = false;
} else {
uploadBtn.disabled = true;
}
}
function uploadFile() {
const fileInput = document.getElementById('fileInput');
const file = fileInput.files[0];
const currentPath = document.getElementById('currentPath').value;
if (!file) {
alert('Please select a file first!');
return;
}
const fileName = file.name.toLowerCase();
if (!fileName.endsWith('.epub')) {
alert('Only .epub files are allowed!');
return;
}
const formData = new FormData();
formData.append('file', file);
const progressContainer = document.getElementById('progress-container');
const progressFill = document.getElementById('progress-fill');
const progressText = document.getElementById('progress-text');
const uploadBtn = document.getElementById('uploadBtn');
progressContainer.style.display = 'block';
uploadBtn.disabled = true;
const xhr = new XMLHttpRequest();
// Include path as query parameter since multipart form data doesn't make
// form fields available until after file upload completes
xhr.open('POST', '/upload?path=' + encodeURIComponent(currentPath), true);
xhr.upload.onprogress = function(e) {
if (e.lengthComputable) {
const percent = Math.round((e.loaded / e.total) * 100);
progressFill.style.width = percent + '%';
progressText.textContent = 'Uploading: ' + percent + '%';
}
};
xhr.onload = function() {
if (xhr.status === 200) {
progressText.textContent = 'Upload complete!';
setTimeout(function() {
window.location.reload();
}, 1000);
} else {
progressText.textContent = 'Upload failed: ' + xhr.responseText;
progressFill.style.backgroundColor = '#e74c3c';
uploadBtn.disabled = false;
}
};
xhr.onerror = function() {
progressText.textContent = 'Upload failed - network error';
progressFill.style.backgroundColor = '#e74c3c';
uploadBtn.disabled = false;
};
xhr.send(formData);
}
function createFolder() {
const folderName = document.getElementById('folderName').value.trim();
const currentPath = document.getElementById('currentPath').value;
if (!folderName) {
alert('Please enter a folder name!');
return;
}
// Validate folder name (no special characters except underscore and hyphen)
const validName = /^[a-zA-Z0-9_\-]+$/.test(folderName);
if (!validName) {
alert('Folder name can only contain letters, numbers, underscores, and hyphens.');
return;
}
const formData = new FormData();
formData.append('name', folderName);
formData.append('path', currentPath);
const xhr = new XMLHttpRequest();
xhr.open('POST', '/mkdir', true);
xhr.onload = function() {
if (xhr.status === 200) {
window.location.reload();
} else {
alert('Failed to create folder: ' + xhr.responseText);
}
};
xhr.onerror = function() {
alert('Failed to create folder - network error');
};
xhr.send(formData);
}
// Delete functions
function openDeleteModal(name, path, isFolder) {
document.getElementById('deleteItemName').textContent = (isFolder ? '📁 ' : '📄 ') + name;
document.getElementById('deleteItemPath').value = path;
document.getElementById('deleteItemType').value = isFolder ? 'folder' : 'file';
document.getElementById('deleteModal').classList.add('open');
}
function closeDeleteModal() {
document.getElementById('deleteModal').classList.remove('open');
}
function confirmDelete() {
const path = document.getElementById('deleteItemPath').value;
const itemType = document.getElementById('deleteItemType').value;
const formData = new FormData();
formData.append('path', path);
formData.append('type', itemType);
const xhr = new XMLHttpRequest();
xhr.open('POST', '/delete', true);
xhr.onload = function() {
if (xhr.status === 200) {
window.location.reload();
} else {
alert('Failed to delete: ' + xhr.responseText);
closeDeleteModal();
}
};
xhr.onerror = function() {
alert('Failed to delete - network error');
closeDeleteModal();
};
xhr.send(formData);
}
</script>
</body>
</html>
)rawliteral";
CrossPointWebServer::CrossPointWebServer() {}
CrossPointWebServer::~CrossPointWebServer() {
stop();
}
void CrossPointWebServer::begin() {
if (running) {
Serial.printf("[%lu] [WEB] Web server already running\n", millis());
return;
}
if (WiFi.status() != WL_CONNECTED) {
Serial.printf("[%lu] [WEB] Cannot start webserver - WiFi not connected\n", millis());
return;
}
Serial.printf("[%lu] [WEB] Creating web server on port %d...\n", millis(), port);
server = new WebServer(port);
if (!server) {
Serial.printf("[%lu] [WEB] Failed to create WebServer!\n", millis());
return;
}
// Setup routes
Serial.printf("[%lu] [WEB] Setting up routes...\n", millis());
server->on("/", HTTP_GET, [this]() { handleRoot(); });
server->on("/status", HTTP_GET, [this]() { handleStatus(); });
server->on("/files", HTTP_GET, [this]() { handleFileList(); });
// Upload endpoint with special handling for multipart form data
server->on("/upload", HTTP_POST, [this]() { handleUploadPost(); }, [this]() { handleUpload(); });
// Create folder endpoint
server->on("/mkdir", HTTP_POST, [this]() { handleCreateFolder(); });
// Delete file/folder endpoint
server->on("/delete", HTTP_POST, [this]() { handleDelete(); });
server->onNotFound([this]() { handleNotFound(); });
server->begin();
running = true;
Serial.printf("[%lu] [WEB] Web server started on port %d\n", millis(), port);
Serial.printf("[%lu] [WEB] Access at http://%s/\n", millis(), WiFi.localIP().toString().c_str());
}
void CrossPointWebServer::stop() {
if (!running || !server) {
return;
}
server->stop();
delete server;
server = nullptr;
running = false;
Serial.printf("[%lu] [WEB] Web server stopped\n", millis());
}
void CrossPointWebServer::handleClient() {
static unsigned long lastDebugPrint = 0;
if (running && server) {
// Print debug every 10 seconds to confirm handleClient is being called
if (millis() - lastDebugPrint > 10000) {
Serial.printf("[%lu] [WEB] handleClient active, server running on port %d\n", millis(), port);
lastDebugPrint = millis();
}
server->handleClient();
}
}
void CrossPointWebServer::handleRoot() {
String html = HTML_PAGE;
// Replace placeholders with actual values
html.replace("%VERSION%", CROSSPOINT_VERSION);
html.replace("%IP_ADDRESS%", WiFi.localIP().toString());
html.replace("%FREE_HEAP%", String(ESP.getFreeHeap()));
server->send(200, "text/html", html);
Serial.printf("[%lu] [WEB] Served root page\n", millis());
}
void CrossPointWebServer::handleNotFound() {
String message = "404 Not Found\n\n";
message += "URI: " + server->uri() + "\n";
server->send(404, "text/plain", message);
}
void CrossPointWebServer::handleStatus() {
String json = "{";
json += "\"version\":\"" + String(CROSSPOINT_VERSION) + "\",";
json += "\"ip\":\"" + WiFi.localIP().toString() + "\",";
json += "\"rssi\":" + String(WiFi.RSSI()) + ",";
json += "\"freeHeap\":" + String(ESP.getFreeHeap()) + ",";
json += "\"uptime\":" + String(millis() / 1000);
json += "}";
server->send(200, "application/json", json);
}
std::vector<FileInfo> CrossPointWebServer::scanFiles(const char* path) {
std::vector<FileInfo> files;
File root = SD.open(path);
if (!root) {
Serial.printf("[%lu] [WEB] Failed to open directory: %s\n", millis(), path);
return files;
}
if (!root.isDirectory()) {
Serial.printf("[%lu] [WEB] Not a directory: %s\n", millis(), path);
root.close();
return files;
}
Serial.printf("[%lu] [WEB] Scanning files in: %s\n", millis(), path);
File file = root.openNextFile();
while (file) {
String fileName = String(file.name());
// Skip hidden items (starting with ".")
bool shouldHide = fileName.startsWith(".");
// Check against explicitly hidden items list
if (!shouldHide) {
for (size_t i = 0; i < HIDDEN_ITEMS_COUNT; i++) {
if (fileName.equals(HIDDEN_ITEMS[i])) {
shouldHide = true;
break;
}
}
}
if (!shouldHide) {
FileInfo info;
info.name = fileName;
info.isDirectory = file.isDirectory();
if (info.isDirectory) {
info.size = 0;
info.isEpub = false;
} else {
info.size = file.size();
info.isEpub = isEpubFile(info.name);
}
files.push_back(info);
}
file.close();
file = root.openNextFile();
}
root.close();
Serial.printf("[%lu] [WEB] Found %d items (files and folders)\n", millis(), files.size());
return files;
}
String CrossPointWebServer::formatFileSize(size_t bytes) {
if (bytes < 1024) {
return String(bytes) + " B";
} else if (bytes < 1024 * 1024) {
return String(bytes / 1024.0, 1) + " KB";
} else {
return String(bytes / (1024.0 * 1024.0), 1) + " MB";
}
}
bool CrossPointWebServer::isEpubFile(const String& filename) {
String lower = filename;
lower.toLowerCase();
return lower.endsWith(".epub");
}
void CrossPointWebServer::handleFileList() {
String html = FILES_PAGE_HEADER;
// Get current path from query string (default to root)
String currentPath = "/";
if (server->hasArg("path")) {
currentPath = server->arg("path");
// Ensure path starts with /
if (!currentPath.startsWith("/")) {
currentPath = "/" + currentPath;
}
// Remove trailing slash unless it's root
if (currentPath.length() > 1 && currentPath.endsWith("/")) {
currentPath = currentPath.substring(0, currentPath.length() - 1);
}
}
// Get message from query string if present
if (server->hasArg("msg")) {
String msg = escapeHtml(server->arg("msg"));
String msgType = server->hasArg("type") ? escapeHtml(server->arg("type")) : "success";
html += "<div class=\"message " + msgType + "\">" + msg + "</div>";
}
// Hidden input to store current path for JavaScript
html += "<input type=\"hidden\" id=\"currentPath\" value=\"" + currentPath + "\">";
// Scan files in current path first (we need counts for the header)
std::vector<FileInfo> files = scanFiles(currentPath.c_str());
// Count items
int epubCount = 0;
int folderCount = 0;
size_t totalSize = 0;
for (const auto& file : files) {
if (file.isDirectory) {
folderCount++;
} else {
if (file.isEpub) epubCount++;
totalSize += file.size;
}
}
// Page header with inline breadcrumb and +Add dropdown
html += "<div class=\"page-header\">";
html += "<div class=\"page-header-left\">";
html += "<h1>📁 File Manager</h1>";
// Inline breadcrumb
html += "<div class=\"breadcrumb-inline\">";
html += "<span class=\"sep\">/</span>";
if (currentPath == "/") {
html += "<span class=\"current\">🏠</span>";
} else {
html += "<a href=\"/files\">🏠</a>";
String pathParts = currentPath.substring(1); // Remove leading /
String buildPath = "";
int start = 0;
int end = pathParts.indexOf('/');
while (start < (int)pathParts.length()) {
String part;
if (end == -1) {
part = pathParts.substring(start);
buildPath += "/" + part;
html += "<span class=\"sep\">/</span><span class=\"current\">" + escapeHtml(part) + "</span>";
break;
} else {
part = pathParts.substring(start, end);
buildPath += "/" + part;
html += "<span class=\"sep\">/</span><a href=\"/files?path=" + buildPath + "\">" + escapeHtml(part) + "</a>";
start = end + 1;
end = pathParts.indexOf('/', start);
}
}
}
html += "</div>";
html += "</div>";
// +Add dropdown button
html += "<div class=\"add-dropdown\" id=\"addDropdown\">";
html += "<button class=\"add-btn\" onclick=\"toggleDropdown()\">";
html += "+ Add <span class=\"arrow\">▼</span>";
html += "</button>";
html += "<div class=\"dropdown-menu\">";
html += "<button class=\"dropdown-item\" onclick=\"openUploadModal()\">";
html += "<span class=\"icon\">📤</span> Upload eBook";
html += "</button>";
html += "<div class=\"dropdown-divider\"></div>";
html += "<button class=\"dropdown-item\" onclick=\"openFolderModal()\">";
html += "<span class=\"icon\">📁</span> New Folder";
html += "</button>";
html += "</div>";
html += "</div>";
html += "</div>"; // end page-header
// Contents card with inline summary
html += "<div class=\"card\">";
// Contents header with inline stats
html += "<div class=\"contents-header\">";
html += "<h2 class=\"contents-title\">Contents</h2>";
html += "<span class=\"summary-inline\">";
html += String(folderCount) + " folder" + (folderCount != 1 ? "s" : "") + ", ";
html += String(files.size() - folderCount) + " file" + ((files.size() - folderCount) != 1 ? "s" : "") + ", ";
html += formatFileSize(totalSize);
html += "</span>";
html += "</div>";
if (files.empty()) {
html += "<div class=\"no-files\">This folder is empty</div>";
} else {
html += "<table class=\"file-table\">";
html += "<tr><th>Name</th><th>Type</th><th>Size</th><th class=\"actions-col\">Actions</th></tr>";
// Sort files: folders first, then epub files, then other files, alphabetically within each group
std::sort(files.begin(), files.end(), [](const FileInfo& a, const FileInfo& b) {
// Folders come first
if (a.isDirectory != b.isDirectory) return a.isDirectory > b.isDirectory;
// Then sort by epub status (epubs first among files)
if (!a.isDirectory && !b.isDirectory) {
if (a.isEpub != b.isEpub) return a.isEpub > b.isEpub;
}
// Then alphabetically
return a.name < b.name;
});
for (const auto& file : files) {
String rowClass;
String icon;
String badge;
String typeStr;
String sizeStr;
if (file.isDirectory) {
rowClass = "folder-row";
icon = "📁";
badge = "<span class=\"folder-badge\">FOLDER</span>";
typeStr = "Folder";
sizeStr = "-";
// Build the path to this folder
String folderPath = currentPath;
if (!folderPath.endsWith("/")) folderPath += "/";
folderPath += file.name;
html += "<tr class=\"" + rowClass + "\">";
html += "<td><span class=\"file-icon\">" + icon + "</span>";
html += "<a href=\"/files?path=" + folderPath + "\" class=\"folder-link\">" + escapeHtml(file.name) + "</a>" + badge + "</td>";
html += "<td>" + typeStr + "</td>";
html += "<td>" + sizeStr + "</td>";
// Escape quotes for JavaScript string
String escapedName = file.name;
escapedName.replace("'", "\\'");
String escapedPath = folderPath;
escapedPath.replace("'", "\\'");
html += "<td class=\"actions-col\"><button class=\"delete-btn\" onclick=\"openDeleteModal('" + escapedName + "', '" + escapedPath + "', true)\" title=\"Delete folder\">🗑️</button></td>";
html += "</tr>";
} else {
rowClass = file.isEpub ? "epub-file" : "";
icon = file.isEpub ? "📗" : "📄";
badge = file.isEpub ? "<span class=\"epub-badge\">EPUB</span>" : "";
String ext = file.name.substring(file.name.lastIndexOf('.') + 1);
ext.toUpperCase();
typeStr = ext;
sizeStr = formatFileSize(file.size);
// Build file path for delete
String filePath = currentPath;
if (!filePath.endsWith("/")) filePath += "/";
filePath += file.name;
html += "<tr class=\"" + rowClass + "\">";
html += "<td><span class=\"file-icon\">" + icon + "</span>" + escapeHtml(file.name) + badge + "</td>";
html += "<td>" + typeStr + "</td>";
html += "<td>" + sizeStr + "</td>";
// Escape quotes for JavaScript string
String escapedName = file.name;
escapedName.replace("'", "\\'");
String escapedPath = filePath;
escapedPath.replace("'", "\\'");
html += "<td class=\"actions-col\"><button class=\"delete-btn\" onclick=\"openDeleteModal('" + escapedName + "', '" + escapedPath + "', false)\" title=\"Delete file\">🗑️</button></td>";
html += "</tr>";
}
}
html += "</table>";
}
html += "</div>";
html += FILES_PAGE_FOOTER;
server->send(200, "text/html", html);
Serial.printf("[%lu] [WEB] Served file listing page for path: %s\n", millis(), currentPath.c_str());
}
// Static variables for upload handling
static File uploadFile;
static String uploadFileName;
static String uploadPath = "/";
static size_t uploadSize = 0;
static bool uploadSuccess = false;
static String uploadError = "";
void CrossPointWebServer::handleUpload() {
HTTPUpload& upload = server->upload();
if (upload.status == UPLOAD_FILE_START) {
uploadFileName = upload.filename;
uploadSize = 0;
uploadSuccess = false;
uploadError = "";
// Get upload path from query parameter (defaults to root if not specified)
// Note: We use query parameter instead of form data because multipart form
// fields aren't available until after file upload completes
if (server->hasArg("path")) {
uploadPath = server->arg("path");
// Ensure path starts with /
if (!uploadPath.startsWith("/")) {
uploadPath = "/" + uploadPath;
}
// Remove trailing slash unless it's root
if (uploadPath.length() > 1 && uploadPath.endsWith("/")) {
uploadPath = uploadPath.substring(0, uploadPath.length() - 1);
}
} else {
uploadPath = "/";
}
Serial.printf("[%lu] [WEB] Upload start: %s to path: %s\n", millis(), uploadFileName.c_str(), uploadPath.c_str());
// Validate file extension
if (!isEpubFile(uploadFileName)) {
uploadError = "Only .epub files are allowed";
Serial.printf("[%lu] [WEB] Upload rejected - not an epub file\n", millis());
return;
}
// Create file path
String filePath = uploadPath;
if (!filePath.endsWith("/")) filePath += "/";
filePath += uploadFileName;
// Check if file already exists
if (SD.exists(filePath.c_str())) {
Serial.printf("[%lu] [WEB] Overwriting existing file: %s\n", millis(), filePath.c_str());
SD.remove(filePath.c_str());
}
// Open file for writing
uploadFile = SD.open(filePath.c_str(), FILE_WRITE);
if (!uploadFile) {
uploadError = "Failed to create file on SD card";
Serial.printf("[%lu] [WEB] Failed to create file: %s\n", millis(), filePath.c_str());
return;
}
Serial.printf("[%lu] [WEB] File created: %s\n", millis(), filePath.c_str());
}
else if (upload.status == UPLOAD_FILE_WRITE) {
if (uploadFile && uploadError.isEmpty()) {
size_t written = uploadFile.write(upload.buf, upload.currentSize);
if (written != upload.currentSize) {
uploadError = "Failed to write to SD card - disk may be full";
uploadFile.close();
Serial.printf("[%lu] [WEB] Write error - expected %d, wrote %d\n", millis(), upload.currentSize, written);
} else {
uploadSize += written;
}
}
}
else if (upload.status == UPLOAD_FILE_END) {
if (uploadFile) {
uploadFile.close();
if (uploadError.isEmpty()) {
uploadSuccess = true;
Serial.printf("[%lu] [WEB] Upload complete: %s (%d bytes)\n", millis(), uploadFileName.c_str(), uploadSize);
}
}
}
else if (upload.status == UPLOAD_FILE_ABORTED) {
if (uploadFile) {
uploadFile.close();
// Try to delete the incomplete file
String filePath = uploadPath;
if (!filePath.endsWith("/")) filePath += "/";
filePath += uploadFileName;
SD.remove(filePath.c_str());
}
uploadError = "Upload aborted";
Serial.printf("[%lu] [WEB] Upload aborted\n", millis());
}
}
void CrossPointWebServer::handleUploadPost() {
if (uploadSuccess) {
server->send(200, "text/plain", "File uploaded successfully: " + uploadFileName);
} else {
String error = uploadError.isEmpty() ? "Unknown error during upload" : uploadError;
server->send(400, "text/plain", error);
}
}
void CrossPointWebServer::handleCreateFolder() {
// Get folder name from form data
if (!server->hasArg("name")) {
server->send(400, "text/plain", "Missing folder name");
return;
}
String folderName = server->arg("name");
// Validate folder name
if (folderName.isEmpty()) {
server->send(400, "text/plain", "Folder name cannot be empty");
return;
}
// Get parent path
String parentPath = "/";
if (server->hasArg("path")) {
parentPath = server->arg("path");
if (!parentPath.startsWith("/")) {
parentPath = "/" + parentPath;
}
if (parentPath.length() > 1 && parentPath.endsWith("/")) {
parentPath = parentPath.substring(0, parentPath.length() - 1);
}
}
// Build full folder path
String folderPath = parentPath;
if (!folderPath.endsWith("/")) folderPath += "/";
folderPath += folderName;
Serial.printf("[%lu] [WEB] Creating folder: %s\n", millis(), folderPath.c_str());
// Check if already exists
if (SD.exists(folderPath.c_str())) {
server->send(400, "text/plain", "Folder already exists");
return;
}
// Create the folder
if (SD.mkdir(folderPath.c_str())) {
Serial.printf("[%lu] [WEB] Folder created successfully: %s\n", millis(), folderPath.c_str());
server->send(200, "text/plain", "Folder created: " + folderName);
} else {
Serial.printf("[%lu] [WEB] Failed to create folder: %s\n", millis(), folderPath.c_str());
server->send(500, "text/plain", "Failed to create folder");
}
}
void CrossPointWebServer::handleDelete() {
// Get path from form data
if (!server->hasArg("path")) {
server->send(400, "text/plain", "Missing path");
return;
}
String itemPath = server->arg("path");
String itemType = server->hasArg("type") ? server->arg("type") : "file";
// Validate path
if (itemPath.isEmpty() || itemPath == "/") {
server->send(400, "text/plain", "Cannot delete root directory");
return;
}
// Ensure path starts with /
if (!itemPath.startsWith("/")) {
itemPath = "/" + itemPath;
}
// Security check: prevent deletion of protected items
String itemName = itemPath.substring(itemPath.lastIndexOf('/') + 1);
// Check if item starts with a dot (hidden/system file)
if (itemName.startsWith(".")) {
Serial.printf("[%lu] [WEB] Delete rejected - hidden/system item: %s\n", millis(), itemPath.c_str());
server->send(403, "text/plain", "Cannot delete system files");
return;
}
// Check against explicitly protected items
for (size_t i = 0; i < HIDDEN_ITEMS_COUNT; i++) {
if (itemName.equals(HIDDEN_ITEMS[i])) {
Serial.printf("[%lu] [WEB] Delete rejected - protected item: %s\n", millis(), itemPath.c_str());
server->send(403, "text/plain", "Cannot delete protected items");
return;
}
}
// Check if item exists
if (!SD.exists(itemPath.c_str())) {
Serial.printf("[%lu] [WEB] Delete failed - item not found: %s\n", millis(), itemPath.c_str());
server->send(404, "text/plain", "Item not found");
return;
}
Serial.printf("[%lu] [WEB] Attempting to delete %s: %s\n", millis(), itemType.c_str(), itemPath.c_str());
bool success = false;
if (itemType == "folder") {
// For folders, try to remove (will fail if not empty)
File dir = SD.open(itemPath.c_str());
if (dir && dir.isDirectory()) {
// Check if folder is empty
File entry = dir.openNextFile();
if (entry) {
// Folder is not empty
entry.close();
dir.close();
Serial.printf("[%lu] [WEB] Delete failed - folder not empty: %s\n", millis(), itemPath.c_str());
server->send(400, "text/plain", "Folder is not empty. Delete contents first.");
return;
}
dir.close();
}
success = SD.rmdir(itemPath.c_str());
} else {
// For files, use remove
success = SD.remove(itemPath.c_str());
}
if (success) {
Serial.printf("[%lu] [WEB] Successfully deleted: %s\n", millis(), itemPath.c_str());
server->send(200, "text/plain", "Deleted successfully");
} else {
Serial.printf("[%lu] [WEB] Failed to delete: %s\n", millis(), itemPath.c_str());
server->send(500, "text/plain", "Failed to delete item");
}
}