mirror of
https://github.com/swissmakers/fail2ban-ui.git
synced 2026-04-11 13:47:05 +02:00
721 lines
25 KiB
JavaScript
721 lines
25 KiB
JavaScript
// Jail management functions for Fail2ban UI
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"use strict";
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function preventExtensionInterference(element) {
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if (!element) return;
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try {
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// Ensure control property exists to prevent "Cannot read properties of undefined" errors
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if (!element.control) {
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Object.defineProperty(element, 'control', {
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value: {
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type: element.type || 'textarea',
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name: element.name || 'filter-config-editor',
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form: null,
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autocomplete: 'off'
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},
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writable: false,
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enumerable: false,
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configurable: true
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});
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}
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// Prevent extensions from adding their own properties
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Object.seal(element.control);
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} catch (e) {
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// Silently ignore errors
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}
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}
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function openJailConfigModal(jailName) {
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currentJailForConfig = jailName;
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var filterTextArea = document.getElementById('filterConfigTextarea');
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var jailTextArea = document.getElementById('jailConfigTextarea');
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filterTextArea.value = '';
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jailTextArea.value = '';
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// Prevent browser extensions from interfering
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preventExtensionInterference(filterTextArea);
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preventExtensionInterference(jailTextArea);
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document.getElementById('modalJailName').textContent = jailName;
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// Hide test logpath section initially
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document.getElementById('testLogpathSection').classList.add('hidden');
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document.getElementById('logpathResults').classList.add('hidden');
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showLoading(true);
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var url = '/api/jails/' + encodeURIComponent(jailName) + '/config';
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fetch(withServerParam(url), {
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headers: serverHeaders()
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})
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.then(function(res) { return res.json(); })
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.then(function(data) {
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if (data.error) {
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showToast("Error loading config: " + data.error, 'error');
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return;
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}
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filterTextArea.value = data.filter || '';
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jailTextArea.value = data.jailConfig || '';
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// Display file paths if available
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var filterFilePathEl = document.getElementById('filterFilePath');
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var jailFilePathEl = document.getElementById('jailFilePath');
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if (filterFilePathEl && data.filterFilePath) {
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filterFilePathEl.textContent = data.filterFilePath;
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filterFilePathEl.style.display = 'block';
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} else if (filterFilePathEl) {
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filterFilePathEl.style.display = 'none';
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}
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if (jailFilePathEl && data.jailFilePath) {
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jailFilePathEl.textContent = data.jailFilePath;
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jailFilePathEl.style.display = 'block';
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} else if (jailFilePathEl) {
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jailFilePathEl.style.display = 'none';
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}
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// Check if logpath is set in jail config and show test button
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updateLogpathButtonVisibility();
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// Show hint for local servers
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var localServerHint = document.getElementById('localServerLogpathHint');
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if (localServerHint && currentServer && currentServer.type === 'local') {
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localServerHint.classList.remove('hidden');
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} else if (localServerHint) {
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localServerHint.classList.add('hidden');
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}
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// Add listener to update button visibility when jail config changes
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jailTextArea.addEventListener('input', updateLogpathButtonVisibility);
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// Prevent extension interference before opening modal
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preventExtensionInterference(filterTextArea);
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preventExtensionInterference(jailTextArea);
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openModal('jailConfigModal');
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// Setup syntax highlighting for both textareas after modal is visible
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setTimeout(function() {
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preventExtensionInterference(filterTextArea);
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preventExtensionInterference(jailTextArea);
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}, 200);
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})
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.catch(function(err) {
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showToast("Error: " + err, 'error');
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})
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.finally(function() {
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showLoading(false);
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});
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}
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function updateLogpathButtonVisibility() {
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var jailTextArea = document.getElementById('jailConfigTextarea');
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var jailConfig = jailTextArea ? jailTextArea.value : '';
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var hasLogpath = /logpath\s*=/i.test(jailConfig);
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var testSection = document.getElementById('testLogpathSection');
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var localServerHint = document.getElementById('localServerLogpathHint');
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if (hasLogpath && testSection) {
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testSection.classList.remove('hidden');
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// Show hint for local servers
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if (localServerHint && currentServer && currentServer.type === 'local') {
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localServerHint.classList.remove('hidden');
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} else if (localServerHint) {
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localServerHint.classList.add('hidden');
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}
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} else if (testSection) {
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testSection.classList.add('hidden');
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document.getElementById('logpathResults').classList.add('hidden');
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if (localServerHint) {
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localServerHint.classList.add('hidden');
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}
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}
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}
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function saveJailConfig() {
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if (!currentJailForConfig) return;
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showLoading(true);
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var filterConfig = document.getElementById('filterConfigTextarea').value;
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var jailConfig = document.getElementById('jailConfigTextarea').value;
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var url = '/api/jails/' + encodeURIComponent(currentJailForConfig) + '/config';
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fetch(withServerParam(url), {
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method: 'POST',
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headers: serverHeaders({ 'Content-Type': 'application/json' }),
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body: JSON.stringify({ filter: filterConfig, jail: jailConfig }),
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})
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.then(function(res) {
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if (!res.ok) {
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return res.json().then(function(data) {
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throw new Error(data.error || 'Server returned ' + res.status);
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});
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}
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return res.json();
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})
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.then(function(data) {
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if (data.error) {
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showToast("Error saving config: " + data.error, 'error');
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return;
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}
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closeModal('jailConfigModal');
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showToast(t('filter_debug.save_success', 'Filter and jail config saved and reloaded'), 'success');
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return refreshData({ silent: true });
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})
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.catch(function(err) {
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console.error("Error saving config:", err);
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showToast("Error saving config: " + err.message, 'error');
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})
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.finally(function() {
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showLoading(false);
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});
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}
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// Extract logpath from jail config text
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// Supports multiple logpaths in a single line (space-separated) or multiple lines
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// Fail2ban supports both formats:
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// logpath = /var/log/file1.log /var/log/file2.log
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// logpath = /var/log/file1.log
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// /var/log/file2.log
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function extractLogpathFromConfig(configText) {
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if (!configText) return '';
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var logpaths = [];
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var lines = configText.split('\n');
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var inLogpathLine = false;
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var currentLogpath = '';
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for (var i = 0; i < lines.length; i++) {
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var line = lines[i].trim();
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// Skip comments
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if (line.startsWith('#')) {
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continue;
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}
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// Check if this line starts with logpath =
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var logpathMatch = line.match(/^logpath\s*=\s*(.+)$/i);
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if (logpathMatch && logpathMatch[1]) {
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// Trim whitespace and remove quotes if present
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currentLogpath = logpathMatch[1].trim();
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currentLogpath = currentLogpath.replace(/^["']|["']$/g, '');
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inLogpathLine = true;
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} else if (inLogpathLine) {
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// Continuation line (indented or starting with space)
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// Fail2ban allows continuation lines for logpath
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if (line !== '' && !line.includes('=')) {
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// This is a continuation line, append to current logpath
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currentLogpath += ' ' + line.trim();
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} else {
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// End of logpath block, process current logpath
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if (currentLogpath) {
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// Split by spaces to handle multiple logpaths in one line
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var paths = currentLogpath.split(/\s+/).filter(function(p) { return p.length > 0; });
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logpaths = logpaths.concat(paths);
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currentLogpath = '';
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}
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inLogpathLine = false;
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}
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} else if (inLogpathLine && line === '') {
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// Empty line might end the logpath block
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if (currentLogpath) {
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var paths = currentLogpath.split(/\s+/).filter(function(p) { return p.length > 0; });
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logpaths = logpaths.concat(paths);
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currentLogpath = '';
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}
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inLogpathLine = false;
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}
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}
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// Process any remaining logpath
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if (currentLogpath) {
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var paths = currentLogpath.split(/\s+/).filter(function(p) { return p.length > 0; });
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logpaths = logpaths.concat(paths);
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}
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// Join multiple logpaths with newlines
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return logpaths.join('\n');
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}
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function testLogpath() {
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if (!currentJailForConfig) return;
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// Extract logpath from the textarea
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var jailTextArea = document.getElementById('jailConfigTextarea');
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var jailConfig = jailTextArea ? jailTextArea.value : '';
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var logpath = extractLogpathFromConfig(jailConfig);
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if (!logpath) {
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showToast('No logpath found in jail configuration. Please add a logpath line (e.g., logpath = /var/log/example.log)', 'warning');
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return;
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}
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var resultsDiv = document.getElementById('logpathResults');
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resultsDiv.textContent = 'Testing logpath...';
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resultsDiv.classList.remove('hidden');
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resultsDiv.classList.remove('text-red-600', 'text-yellow-600');
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showLoading(true);
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var url = '/api/jails/' + encodeURIComponent(currentJailForConfig) + '/logpath/test';
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fetch(withServerParam(url), {
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method: 'POST',
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headers: serverHeaders({ 'Content-Type': 'application/json' }),
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body: JSON.stringify({ logpath: logpath })
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})
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.then(function(res) { return res.json(); })
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.then(function(data) {
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showLoading(false);
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if (data.error) {
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resultsDiv.textContent = 'Error: ' + data.error;
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resultsDiv.classList.add('text-red-600');
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// Auto-scroll to results
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setTimeout(function() {
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resultsDiv.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
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}, 100);
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return;
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}
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var originalLogpath = data.original_logpath || '';
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var results = data.results || [];
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var isLocalServer = data.is_local_server || false;
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// Build HTML output with visual indicators
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var output = '';
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if (results.length === 0) {
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output = '<div class="text-yellow-600">No logpath entries found.</div>';
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resultsDiv.innerHTML = output;
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resultsDiv.classList.add('text-yellow-600');
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return;
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}
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// Process each logpath result
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results.forEach(function(result, idx) {
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var logpath = result.logpath || '';
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var resolvedPath = result.resolved_path || '';
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var found = result.found || false;
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var files = result.files || [];
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var error = result.error || '';
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if (idx > 0) {
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output += '<div class="my-4 border-t border-gray-300 pt-4"></div>';
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}
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output += '<div class="mb-3">';
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output += '<div class="font-semibold text-gray-800 mb-1">Logpath ' + (idx + 1) + ':</div>';
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output += '<div class="ml-4 text-sm text-gray-600 font-mono">' + escapeHtml(logpath) + '</div>';
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if (resolvedPath && resolvedPath !== logpath) {
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output += '<div class="ml-4 text-xs text-gray-500 mt-1">Resolved: <span class="font-mono">' + escapeHtml(resolvedPath) + '</span></div>';
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}
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output += '</div>';
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// Test results
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output += '<div class="ml-4 mb-2">';
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output += '<div class="flex items-center gap-2">';
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if (isLocalServer) {
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output += '<span class="font-medium text-sm">In fail2ban-ui Container:</span>';
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} else {
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output += '<span class="font-medium text-sm">On Remote Server:</span>';
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}
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if (error) {
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output += '<span class="text-red-600 font-bold">✗</span>';
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output += '<span class="text-red-600 text-sm">Error: ' + escapeHtml(error) + '</span>';
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} else if (found) {
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output += '<span class="text-green-600 font-bold">✓</span>';
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output += '<span class="text-green-600 text-sm">Found ' + files.length + ' file(s)</span>';
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} else {
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output += '<span class="text-red-600 font-bold">✗</span>';
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if (isLocalServer) {
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output += '<span class="text-red-600 text-sm">Not found (logs may not be mounted to container)</span>';
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} else {
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output += '<span class="text-red-600 text-sm">Not found</span>';
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}
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}
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output += '</div>';
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if (files.length > 0) {
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output += '<div class="ml-6 mt-1 text-xs text-gray-600">';
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files.forEach(function(file) {
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output += '<div class="font-mono"> • ' + escapeHtml(file) + '</div>';
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});
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output += '</div>';
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}
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output += '</div>';
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});
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// Set overall status color
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var allFound = results.every(function(r) { return r.found; });
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var anyFound = results.some(function(r) { return r.found; });
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if (allFound) {
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resultsDiv.classList.remove('text-red-600', 'text-yellow-600');
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} else if (anyFound) {
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resultsDiv.classList.remove('text-red-600');
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resultsDiv.classList.add('text-yellow-600');
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} else {
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resultsDiv.classList.remove('text-yellow-600');
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resultsDiv.classList.add('text-red-600');
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}
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resultsDiv.innerHTML = output;
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// Auto-scroll to results
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setTimeout(function() {
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resultsDiv.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
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}, 100);
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})
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.catch(function(err) {
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showLoading(false);
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resultsDiv.textContent = 'Error: ' + err;
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resultsDiv.classList.add('text-red-600');
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// Auto-scroll to results
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setTimeout(function() {
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resultsDiv.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
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}, 100);
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});
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}
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function openManageJailsModal() {
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if (!currentServerId) {
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showToast(t('servers.selector.none', 'Please add and select a Fail2ban server first.'), 'info');
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return;
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}
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showLoading(true);
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fetch(withServerParam('/api/jails/manage'), {
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headers: serverHeaders()
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})
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.then(res => res.json())
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.then(data => {
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if (!data.jails || !data.jails.length) {
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showToast("No jails found for this server.", 'info');
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return;
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}
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const html = data.jails.map(jail => {
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const isEnabled = jail.enabled ? 'checked' : '';
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const escapedJailName = escapeHtml(jail.jailName);
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// Escape single quotes for JavaScript string
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const jsEscapedJailName = jail.jailName.replace(/'/g, "\\'");
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return ''
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+ '<div class="flex items-center justify-between gap-3 p-3 bg-gray-50">'
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+ ' <span class="text-sm font-medium flex-1 text-gray-900">' + escapedJailName + '</span>'
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+ ' <div class="flex items-center gap-3">'
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+ ' <button'
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+ ' type="button"'
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+ ' onclick="openJailConfigModal(\'' + jsEscapedJailName + '\')"'
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+ ' class="text-xs px-3 py-1.5 bg-blue-500 text-white rounded hover:bg-blue-600 transition-colors whitespace-nowrap"'
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+ ' data-i18n="modal.filter_config_edit"'
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+ ' title="' + escapeHtml(t('modal.filter_config_edit', 'Edit Filter / Jail')) + '"'
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+ ' >'
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+ escapeHtml(t('modal.filter_config_edit', 'Edit Filter / Jail'))
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+ ' </button>'
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+ ' <button'
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+ ' type="button"'
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+ ' onclick="deleteJail(\'' + jsEscapedJailName + '\')"'
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+ ' class="text-xs px-3 py-1.5 bg-red-500 text-white rounded hover:bg-red-600 transition-colors whitespace-nowrap"'
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+ ' title="' + escapeHtml(t('modal.delete_jail', 'Delete Jail')) + '"'
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+ ' >'
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+ ' <i class="fas fa-trash"></i>'
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+ ' </button>'
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+ ' <label class="inline-flex relative items-center cursor-pointer">'
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+ ' <input'
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+ ' type="checkbox"'
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+ ' id="toggle-' + jail.jailName.replace(/[^a-zA-Z0-9]/g, '_') + '"'
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+ ' class="sr-only peer"'
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+ isEnabled
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+ ' />'
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+ ' <div'
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+ ' class="w-11 h-6 bg-gray-200 rounded-full peer-focus:ring-4 peer-focus:ring-blue-300 peer-checked:bg-blue-600 transition-colors"'
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+ ' ></div>'
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+ ' <span'
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+ ' class="absolute left-1 top-1/2 -translate-y-1/2 bg-white w-4 h-4 rounded-full transition-transform peer-checked:translate-x-5"'
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+ ' ></span>'
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+ ' </label>'
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+ ' </div>'
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+ '</div>';
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}).join('');
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document.getElementById('jailsList').innerHTML = html;
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// Add auto-save on checkbox change with debouncing
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let saveTimeout;
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document.querySelectorAll('#jailsList input[type="checkbox"]').forEach(function(checkbox) {
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checkbox.addEventListener('change', function() {
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// Clear any pending save
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if (saveTimeout) {
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clearTimeout(saveTimeout);
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}
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// Debounce save by 300ms
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saveTimeout = setTimeout(function() {
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saveManageJailsSingle(checkbox);
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}, 300);
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});
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});
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openModal('manageJailsModal');
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})
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.catch(err => showToast("Error fetching jails: " + err, 'error'))
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.finally(() => showLoading(false));
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}
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function saveManageJailsSingle(checkbox) {
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// Find the parent container div
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const item = checkbox.closest('div.flex.items-center.justify-between');
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if (!item) {
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console.error('Could not find parent container for checkbox');
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return;
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}
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// Get jail name from the span - it's the first span with text-sm font-medium class
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const nameSpan = item.querySelector('span.text-sm.font-medium');
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if (!nameSpan) {
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console.error('Could not find jail name span');
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return;
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}
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const jailName = nameSpan.textContent.trim();
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if (!jailName) {
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console.error('Jail name is empty');
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return;
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}
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const isEnabled = checkbox.checked;
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const updatedJails = {};
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updatedJails[jailName] = isEnabled;
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console.log('Saving jail state:', jailName, 'enabled:', isEnabled, 'payload:', updatedJails);
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// Send updated state to the API endpoint /api/jails/manage.
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fetch(withServerParam('/api/jails/manage'), {
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method: 'POST',
|
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headers: serverHeaders({ 'Content-Type': 'application/json' }),
|
|
body: JSON.stringify(updatedJails),
|
|
})
|
|
.then(function(res) {
|
|
if (!res.ok) {
|
|
return res.json().then(function(data) {
|
|
throw new Error(data.error || 'Server returned ' + res.status);
|
|
});
|
|
}
|
|
return res.json();
|
|
})
|
|
.then(function(data) {
|
|
// Check if there was an error (including auto-disabled jails)
|
|
if (data.error) {
|
|
var errorMsg = data.error;
|
|
var toastType = 'error';
|
|
|
|
// If jails were auto-disabled, check if this jail was one of them
|
|
var wasAutoDisabled = data.autoDisabled && data.enabledJails && Array.isArray(data.enabledJails) && data.enabledJails.indexOf(jailName) !== -1;
|
|
|
|
if (wasAutoDisabled) {
|
|
checkbox.checked = false;
|
|
toastType = 'warning';
|
|
// Use the message if available, otherwise use the error
|
|
errorMsg = data.message || errorMsg;
|
|
} else {
|
|
// Revert checkbox state on error
|
|
checkbox.checked = !isEnabled;
|
|
}
|
|
|
|
showToast(errorMsg, toastType);
|
|
|
|
// Still reload the jail list to reflect the actual state
|
|
return fetch(withServerParam('/api/jails/manage'), {
|
|
headers: serverHeaders()
|
|
}).then(function(res) { return res.json(); })
|
|
.then(function(data) {
|
|
if (data.jails && data.jails.length) {
|
|
// Update the checkbox state based on server response
|
|
const jail = data.jails.find(function(j) { return j.jailName === jailName; });
|
|
if (jail) {
|
|
checkbox.checked = jail.enabled;
|
|
}
|
|
}
|
|
loadServers().then(function() {
|
|
updateRestartBanner();
|
|
return refreshData({ silent: true });
|
|
});
|
|
});
|
|
}
|
|
|
|
// Check for warning (legacy support)
|
|
if (data.warning) {
|
|
showToast(data.warning, 'warning');
|
|
}
|
|
|
|
console.log('Jail state saved successfully:', data);
|
|
// Show success toast
|
|
showToast(data.message || ('Jail ' + jailName + ' ' + (isEnabled ? 'enabled' : 'disabled') + ' successfully'), 'success');
|
|
// Reload the jail list to reflect the actual state
|
|
return fetch(withServerParam('/api/jails/manage'), {
|
|
headers: serverHeaders()
|
|
}).then(function(res) { return res.json(); })
|
|
.then(function(data) {
|
|
if (data.jails && data.jails.length) {
|
|
// Update the checkbox state based on server response
|
|
const jail = data.jails.find(function(j) { return j.jailName === jailName; });
|
|
if (jail) {
|
|
checkbox.checked = jail.enabled;
|
|
}
|
|
}
|
|
loadServers().then(function() {
|
|
updateRestartBanner();
|
|
return refreshData({ silent: true });
|
|
});
|
|
});
|
|
})
|
|
.catch(function(err) {
|
|
console.error('Error saving jail settings:', err);
|
|
showToast("Error saving jail settings: " + (err.message || err), 'error');
|
|
// Revert checkbox state on error
|
|
checkbox.checked = !isEnabled;
|
|
});
|
|
}
|
|
|
|
function openCreateJailModal() {
|
|
document.getElementById('newJailName').value = '';
|
|
document.getElementById('newJailContent').value = '';
|
|
const filterSelect = document.getElementById('newJailFilter');
|
|
if (filterSelect) {
|
|
filterSelect.value = '';
|
|
}
|
|
|
|
// Load filters into dropdown
|
|
showLoading(true);
|
|
fetch(withServerParam('/api/filters'), {
|
|
headers: serverHeaders()
|
|
})
|
|
.then(res => res.json())
|
|
.then(data => {
|
|
if (filterSelect) {
|
|
filterSelect.innerHTML = '<option value="">-- Select a filter --</option>';
|
|
if (data.filters && data.filters.length > 0) {
|
|
data.filters.forEach(filter => {
|
|
const opt = document.createElement('option');
|
|
opt.value = filter;
|
|
opt.textContent = filter;
|
|
filterSelect.appendChild(opt);
|
|
});
|
|
}
|
|
}
|
|
openModal('createJailModal');
|
|
})
|
|
.catch(err => {
|
|
console.error('Error loading filters:', err);
|
|
openModal('createJailModal');
|
|
})
|
|
.finally(() => showLoading(false));
|
|
}
|
|
|
|
function updateJailConfigFromFilter() {
|
|
const filterSelect = document.getElementById('newJailFilter');
|
|
const jailNameInput = document.getElementById('newJailName');
|
|
const contentTextarea = document.getElementById('newJailContent');
|
|
|
|
if (!filterSelect || !contentTextarea) return;
|
|
|
|
const selectedFilter = filterSelect.value;
|
|
|
|
if (!selectedFilter) {
|
|
return;
|
|
}
|
|
|
|
// Auto-fill jail name if empty
|
|
if (jailNameInput && !jailNameInput.value.trim()) {
|
|
jailNameInput.value = selectedFilter;
|
|
}
|
|
|
|
// Auto-populate jail config
|
|
const jailName = (jailNameInput && jailNameInput.value.trim()) || selectedFilter;
|
|
const config = `[${jailName}]
|
|
enabled = false
|
|
filter = ${selectedFilter}
|
|
logpath = /var/log/auth.log
|
|
maxretry = 5
|
|
bantime = 3600
|
|
findtime = 600`;
|
|
|
|
contentTextarea.value = config;
|
|
}
|
|
|
|
function createJail() {
|
|
const jailName = document.getElementById('newJailName').value.trim();
|
|
const content = document.getElementById('newJailContent').value.trim();
|
|
|
|
if (!jailName) {
|
|
showToast('Jail name is required', 'error');
|
|
return;
|
|
}
|
|
|
|
showLoading(true);
|
|
fetch(withServerParam('/api/jails'), {
|
|
method: 'POST',
|
|
headers: serverHeaders({ 'Content-Type': 'application/json' }),
|
|
body: JSON.stringify({
|
|
jailName: jailName,
|
|
content: content
|
|
})
|
|
})
|
|
.then(function(res) {
|
|
if (!res.ok) {
|
|
return res.json().then(function(data) {
|
|
throw new Error(data.error || 'Server returned ' + res.status);
|
|
});
|
|
}
|
|
return res.json();
|
|
})
|
|
.then(function(data) {
|
|
if (data.error) {
|
|
showToast('Error creating jail: ' + data.error, 'error');
|
|
return;
|
|
}
|
|
closeModal('createJailModal');
|
|
showToast(data.message || 'Jail created successfully', 'success');
|
|
// Reload the manage jails modal
|
|
openManageJailsModal();
|
|
})
|
|
.catch(function(err) {
|
|
console.error('Error creating jail:', err);
|
|
showToast('Error creating jail: ' + (err.message || err), 'error');
|
|
})
|
|
.finally(function() {
|
|
showLoading(false);
|
|
});
|
|
}
|
|
|
|
function deleteJail(jailName) {
|
|
if (!confirm('Are you sure you want to delete the jail "' + escapeHtml(jailName) + '"? This action cannot be undone.')) {
|
|
return;
|
|
}
|
|
|
|
showLoading(true);
|
|
fetch(withServerParam('/api/jails/' + encodeURIComponent(jailName)), {
|
|
method: 'DELETE',
|
|
headers: serverHeaders()
|
|
})
|
|
.then(function(res) {
|
|
if (!res.ok) {
|
|
return res.json().then(function(data) {
|
|
throw new Error(data.error || 'Server returned ' + res.status);
|
|
});
|
|
}
|
|
return res.json();
|
|
})
|
|
.then(function(data) {
|
|
if (data.error) {
|
|
showToast('Error deleting jail: ' + data.error, 'error');
|
|
return;
|
|
}
|
|
showToast(data.message || 'Jail deleted successfully', 'success');
|
|
// Reload the manage jails modal
|
|
openManageJailsModal();
|
|
// Refresh dashboard
|
|
refreshData({ silent: true });
|
|
})
|
|
.catch(function(err) {
|
|
console.error('Error deleting jail:', err);
|
|
showToast('Error deleting jail: ' + (err.message || err), 'error');
|
|
})
|
|
.finally(function() {
|
|
showLoading(false);
|
|
});
|
|
}
|
|
|