secubox-openwrt/luci-app-system-hub/htdocs/luci-static/resources/view/system-hub/logs.js

296 lines
8.6 KiB
JavaScript

'use strict';
'require view';
'require ui';
'require dom';
'require poll';
'require system-hub/api as API';
'require secubox-theme/theme as Theme';
'require system-hub/theme-assets as ThemeAssets';
'require system-hub/nav as HubNav';
var shLang = (typeof L !== 'undefined' && L.env && L.env.lang) ||
(document.documentElement && document.documentElement.getAttribute('lang')) ||
(navigator.language ? navigator.language.split('-')[0] : 'en');
Theme.init({ language: shLang });
return view.extend({
logs: [],
lineCount: 200,
autoRefresh: true,
autoScroll: true,
searchQuery: '',
severityFilter: 'all',
load: function() {
return API.getLogs(this.lineCount, '');
},
render: function(data) {
this.logs = (data && data.logs) || [];
var container = E('div', { 'class': 'sh-logs-view' }, [
E('link', { 'rel': 'stylesheet', 'href': L.resource('secubox-theme/secubox-theme.css') }),
ThemeAssets.stylesheet('common.css'),
ThemeAssets.stylesheet('dashboard.css'),
ThemeAssets.stylesheet('logs.css'),
HubNav.renderTabs('logs'),
this.renderHero(),
this.renderControls(),
this.renderBody()
]);
this.updateLogStream();
this.updateStats();
var self = this;
poll.add(function() {
if (!self.autoRefresh) return;
return API.getLogs(self.lineCount, '').then(function(result) {
self.logs = (result && result.logs) || [];
self.updateStats();
self.updateLogStream();
});
}, 5);
return container;
},
renderHero: function() {
return E('section', { 'class': 'sh-logs-hero' }, [
E('div', {}, [
E('h1', {}, _('System Logs Live Stream')),
E('p', {}, _('Follow kernel, service, and security events in real time'))
]),
E('div', { 'class': 'sh-log-stats', 'id': 'sh-log-stats' }, [
this.createStat('sh-log-total', _('Lines'), this.logs.length),
this.createStat('sh-log-errors', _('Errors'), this.countSeverity('error'), 'danger'),
this.createStat('sh-log-warnings', _('Warning'), this.countSeverity('warning'), 'warn')
])
]);
},
createStat: function(id, label, value, tone) {
var cls = 'sh-log-stat';
if (tone) cls += ' ' + tone;
return E('div', { 'class': cls, 'id': id }, [
E('span', { 'class': 'label' }, label),
E('span', { 'class': 'value' }, value)
]);
},
renderControls: function() {
var self = this;
return E('div', { 'class': 'sh-log-controls' }, [
E('div', { 'class': 'sh-log-search' }, [
E('input', {
'type': 'text',
'placeholder': _('Search keywords, services, IPs...'),
'input': function(ev) {
self.searchQuery = (ev.target.value || '').toLowerCase();
self.updateLogStream();
}
})
]),
E('div', { 'class': 'sh-log-selectors' }, [
E('select', {
'change': function(ev) {
self.lineCount = parseInt(ev.target.value, 10);
self.refreshLogs();
}
}, [
E('option', { 'value': '100' }, '100 lines'),
E('option', { 'value': '200', 'selected': 'selected' }, '200 lines'),
E('option', { 'value': '500' }, '500 lines'),
E('option', { 'value': '1000' }, '1000 lines')
]),
E('div', { 'class': 'sh-toggle-group' }, [
this.renderToggle(_('Auto Refresh'), this.autoRefresh, function(enabled) {
self.autoRefresh = enabled;
}),
this.renderToggle(_('Auto Scroll'), this.autoScroll, function(enabled) {
self.autoScroll = enabled;
})
]),
E('button', {
'class': 'sh-btn sh-btn-primary',
'type': 'button',
'click': ui.createHandlerFn(this, 'downloadLogs')
}, '⬇ ' + _('Export'))
])
]);
},
renderToggle: function(label, state, handler) {
return E('label', { 'class': 'sh-toggle' }, [
E('input', {
'type': 'checkbox',
'checked': state ? 'checked' : null,
'change': function(ev) {
handler(ev.target.checked);
}
}),
E('span', {}, label)
]);
},
renderBody: function() {
return E('div', { 'class': 'sh-logs-body' }, [
E('div', { 'class': 'sh-log-panel' }, [
this.renderSeverityTabs(),
E('div', { 'class': 'sh-log-stream', 'id': 'sh-log-stream' })
]),
E('div', { 'class': 'sh-log-side' }, [
E('h3', {}, _('Statistics (recent)')),
E('ul', { 'id': 'sh-log-metrics' },
this.buildMetrics().map(function(metric) {
return E('li', {}, [
E('span', {}, metric.label),
E('strong', {}, metric.value)
]);
}))
])
]);
},
renderSeverityTabs: function() {
var self = this;
var filters = [
{ id: 'all', label: _('All') },
{ id: 'error', label: _('Errors') },
{ id: 'warning', label: _('Warnings') },
{ id: 'info', label: _('Info') }
];
return E('div', { 'class': 'sh-log-filters cyber-tablist cyber-tablist--pills', 'id': 'sh-log-filters' },
filters.map(function(filter) {
return E('button', {
'type': 'button',
'class': 'cyber-tab cyber-tab--pill' + (self.severityFilter === filter.id ? ' is-active' : ''),
'data-filter': filter.id,
'click': function() {
self.severityFilter = filter.id;
self.updateLogStream();
self.refreshSeverityTabs();
}
}, filter.label);
}));
},
refreshSeverityTabs: function() {
var tabs = document.querySelectorAll('#sh-log-filters .cyber-tab');
tabs.forEach(function(tab) {
var match = tab.getAttribute('data-filter') === this.severityFilter;
tab.classList.toggle('is-active', match);
}, this);
},
getFilteredLogs: function() {
return this.logs.filter(function(line) {
if (!line) return false;
var severity = this.detectSeverity(line);
var matchesSeverity = this.severityFilter === 'all' || severity === this.severityFilter;
var matchesSearch = !this.searchQuery || line.toLowerCase().indexOf(this.searchQuery) !== -1;
return matchesSeverity && matchesSearch;
}, this);
},
updateLogStream: function() {
var container = document.getElementById('sh-log-stream');
if (!container) return;
var filtered = this.getFilteredLogs();
var frag = filtered.map(function(line, idx) {
var severity = this.detectSeverity(line);
return E('div', { 'class': 'sh-log-line ' + severity }, [
E('span', { 'class': 'sh-log-index' }, idx + 1),
E('span', { 'class': 'sh-log-message' }, line)
]);
}, this);
dom.content(container, frag);
if (this.autoScroll) {
container.scrollTop = container.scrollHeight;
}
var badge = document.getElementById('sh-log-total');
if (badge) badge.querySelector('.value').textContent = filtered.length;
},
updateStats: function() {
var stats = {
'sh-log-total': this.logs.length,
'sh-log-errors': this.countSeverity('error'),
'sh-log-warnings': this.countSeverity('warning')
};
Object.keys(stats).forEach(function(id) {
var node = document.getElementById(id);
if (node) {
var span = node.querySelector('.value');
if (span) span.textContent = stats[id];
}
});
var list = document.getElementById('sh-log-metrics');
if (list) {
dom.content(list, this.buildMetrics().map(function(metric) {
return E('li', {}, [E('span', {}, metric.label), E('strong', {}, metric.value)]);
}));
}
},
buildMetrics: function() {
return [
{ label: _('Critical events (last refresh)'), value: this.countSeverity('error') },
{ label: _('Warnings'), value: this.countSeverity('warning') },
{ label: _('Info/Debug'), value: this.countSeverity('info') },
{ label: _('Matched search'), value: this.getFilteredLogs().length }
];
},
refreshLogs: function() {
var self = this;
ui.showModal(_('Loading logs...'), [
E('p', { 'class': 'spinning' }, _('Fetching system logs'))
]);
return API.getLogs(this.lineCount, '').then(function(result) {
ui.hideModal();
self.logs = (result && result.logs) || [];
self.updateStats();
self.updateLogStream();
}).catch(function(err) {
ui.hideModal();
ui.addNotification(null, E('p', {}, err.message || err), 'error');
});
},
detectSeverity: function(line) {
if (!line) return 'info';
var lc = line.toLowerCase();
if (lc.indexOf('error') !== -1 || lc.indexOf('fatal') !== -1 || lc.indexOf('crit') !== -1) return 'error';
if (lc.indexOf('warn') !== -1 || lc.indexOf('notice') !== -1) return 'warning';
return 'info';
},
countSeverity: function(level) {
return this.logs.filter(function(line) {
return this.detectSeverity(line) === level;
}, this).length;
},
downloadLogs: function() {
var blob = new Blob([this.getFilteredLogs().join('\n')], { type: 'text/plain' });
var url = URL.createObjectURL(blob);
var a = document.createElement('a');
a.href = url;
a.download = 'system-logs.txt';
a.click();
URL.revokeObjectURL(url);
},
updateLogStreamDebounced: function() {
clearTimeout(this._updateTimer);
var self = this;
this._updateTimer = setTimeout(function() {
self.updateLogStream();
}, 200);
}
});