66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
'use strict';
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var clone = require('clone'),
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express = require('express'),
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fs = require('fs'),
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path = require('path');
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var utils = require('./utils');
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module.exports = function(options, allowedFonts) {
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var app = express().disable('x-powered-by');
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var lastModified = new Date().toUTCString();
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var fontPath = options.paths.fonts;
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var existingFonts = {};
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var fontListingPromise = new Promise(function(resolve, reject) {
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fs.readdir(options.paths.fonts, function(err, files) {
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if (err) {
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reject(err);
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return;
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}
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files.forEach(function(file) {
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fs.stat(path.join(fontPath, file), function(err, stats) {
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if (err) {
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reject(err);
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return;
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}
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if (stats.isDirectory() &&
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fs.existsSync(path.join(fontPath, file, '0-255.pbf'))) {
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existingFonts[path.basename(file)] = true;
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}
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});
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});
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resolve();
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});
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});
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app.get('/fonts/:fontstack/:range([\\d]+-[\\d]+).pbf',
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function(req, res, next) {
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var fontstack = decodeURI(req.params.fontstack);
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var range = req.params.range;
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utils.getFontsPbf(options.serveAllFonts ? null : allowedFonts,
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fontPath, fontstack, range, existingFonts).then(function(concated) {
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res.header('Content-type', 'application/x-protobuf');
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res.header('Last-Modified', lastModified);
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return res.send(concated);
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}, function(err) {
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return res.status(400).send(err);
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}
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);
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});
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app.get('/fonts.json', function(req, res, next) {
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res.header('Content-type', 'application/json');
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return res.send(
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Object.keys(options.serveAllFonts ? existingFonts : allowedFonts).sort()
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);
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});
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return fontListingPromise.then(function() {
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return app;
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});
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};
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