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| 'use strict';
var nconf = require('nconf'),
validator = require('validator'),
async = require('async'),
winston = require('winston'),
plugins = require('../plugins');
module.exports = function(Meta) {
Meta.tags = {};
Meta.tags.parse = function(meta, link, callback) {
async.parallel({
tags: function(next) {
var defaultTags = [{
name: 'viewport',
content: 'width=device-width, initial-scale=1.0, user-scalable=no'
}, {
name: 'content-type',
content: 'text/html; charset=UTF-8',
noEscape: true
}, {
name: 'apple-mobile-web-app-capable',
content: 'yes'
}, {
name: 'mobile-web-app-capable',
content: 'yes'
}, {
property: 'og:site_name',
content: Meta.config.title || 'NodeBB'
}, {
name: 'keywords',
content: Meta.config.keywords || ''
}, {
name: 'msapplication-badge',
content: 'frequency=30; polling-uri=' + nconf.get('url') + '/sitemap.xml',
noEscape: true
}, {
name: 'msapplication-square150x150logo',
content: Meta.config['brand:logo'] || '',
noEscape: true
}];
plugins.fireHook('filter:meta.getMetaTags', defaultTags, next);
},
links: function(next) {
var defaultLinks = [{
rel: "icon",
type: "image/x-icon",
href: nconf.get('relative_path') + '/favicon.ico?' + Meta.config['cache-buster']
}, {
rel: "manifest",
href: nconf.get('relative_path') + '/manifest.json'
}];
// Touch icons for mobile-devices
if (Meta.config['brand:touchIcon']) {
defaultLinks.push({
rel: 'apple-touch-icon',
href: nconf.get('relative_path') + '/apple-touch-icon'
}, {
rel: 'icon',
sizes: '36x36',
href: nconf.get('relative_path') + '/uploads/system/touchicon-36.png'
}, {
rel: 'icon',
sizes: '48x48',
href: nconf.get('relative_path') + '/uploads/system/touchicon-48.png'
}, {
rel: 'icon',
sizes: '72x72',
href: nconf.get('relative_path') + '/uploads/system/touchicon-72.png'
}, {
rel: 'icon',
sizes: '96x96',
href: nconf.get('relative_path') + '/uploads/system/touchicon-96.png'
}, {
rel: 'icon',
sizes: '144x144',
href: nconf.get('relative_path') + '/uploads/system/touchicon-144.png'
}, {
rel: 'icon',
sizes: '192x192',
href: nconf.get('relative_path') + '/uploads/system/touchicon-192.png'
});
}
plugins.fireHook('filter:meta.getLinkTags', defaultLinks, next);
}
}, function(err, results) {
meta = results.tags.concat(meta || []).map(function(tag) {
if (!tag || typeof tag.content !== 'string') {
winston.warn('Invalid meta tag. ', tag);
return tag;
}
if (!tag.noEscape) {
tag.content = validator.escape(tag.content);
}
return tag;
});
addDescription(meta);
link = results.links.concat(link || []);
callback(null, {
meta: meta,
link: link
});
});
};
function addDescription(meta) {
var hasDescription = false;
meta.forEach(function(tag) {
if (tag.name === 'description') {
hasDescription = true;
}
});
if (!hasDescription) {
meta.push({
name: 'description',
content: validator.escape(Meta.config.description || '')
});
}
}
};
|