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Coverage for /Users/yunong/workspace/node-restify/lib/plugins/static.js : 78%
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | // Copyright 2012 Mark Cavage, Inc. All rights reserved. var fs = require('fs'); var path = require('path'); var escapeRE = require('escape-regexp-component'); var assert = require('assert-plus'); var mime = require('mime'); var errors = require('../errors'); ///--- Globals var MethodNotAllowedError = errors.MethodNotAllowedError; var NotAuthorizedError = errors.NotAuthorizedError; var ResourceNotFoundError = errors.ResourceNotFoundError; ///--- Functions function serveStatic(opts) { opts = opts || {}; assert.object(opts, 'options'); assert.string(opts.directory, 'options.directory'); assert.optionalNumber(opts.maxAge, 'options.maxAge'); assert.optionalObject(opts.match, 'options.match'); assert.optionalString(opts.charSet, 'options.charSet'); var p = path.normalize(opts.directory).replace(/\\/g, '/'); var re = new RegExp('^' + escapeRE(p) + '/?.*'); function serveFileFromStats(file, err, stats, isGzip, req, res, next) { if (err) { next(new ResourceNotFoundError(err, req.path())); return; } else if (!stats.isFile()) { next(new ResourceNotFoundError('%s does not exist', req.path())); return; } if (res.handledGzip && isGzip) { res.handledGzip(); } var fstream = fs.createReadStream(file + (isGzip ? '.gz' : '')); var maxAge = opts.maxAge === undefined ? 3600 : opts.maxAge; fstream.once('open', function (fd) { res.cache({maxAge: maxAge}); res.set('Content-Length', stats.size); res.set('Content-Type', mime.lookup(file)); res.set('Last-Modified', stats.mtime); if (opts.charSet) { var type = res.getHeader('Content-Type') + '; charset=' + opts.charSet; res.setHeader('Content-Type', type); } if (opts.etag) { res.set('ETag', opts.etag(stats, opts)); } res.writeHead(200); fstream.pipe(res); fstream.once('end', function () { next(false); }); }); } function serveNormal(file, req, res, next) { fs.stat(file, function (err, stats) { if (!err && stats.isDirectory() && opts.default) { // Serve an index.html page or similar file = path.join(file, opts.default); fs.stat(file, function (dirErr, dirStats) { serveFileFromStats(file, dirErr, dirStats, false, req, res, next); }); } else { serveFileFromStats(file, err, stats, false, req, res, next); } }); } function serve(req, res, next) { var file = path.join(opts.directory, decodeURIComponent(req.path())); if (req.method !== 'GET' && req.method !== 'HEAD') { next(new MethodNotAllowedError(req.method)); return; } if (!re.test(file.replace(/\\/g, '/'))) { next(new NotAuthorizedError(req.path())); return; } if (opts.match && !opts.match.test(file))opts.match.test(file)) { next(new NotAuthorizedError(req.path())); return; } if (opts.gzip && req.acceptsEncoding('gzip')) { fs.stat(file + '.gz', function (err, stats) { if (!err) { res.setHeader('Content-Encoding', 'gzip'); serveFileFromStats(file, err, stats, true, req, res, next); } else { serveNormal(file, req, res, next); } }); } else { serveNormal(file, req, res, next); } } return (serve); } module.exports = serveStatic; |