352 lines
9.6 KiB
JavaScript
352 lines
9.6 KiB
JavaScript
'use strict';
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module.exports = function (opts) {
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var express = require('express');
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//var finalhandler = require('finalhandler');
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var serveStatic = require('serve-static');
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var serveIndex = require('serve-index');
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//var assetServer = serveStatic(opts.assetsPath);
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var path = require('path');
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//var wellKnownServer = serveStatic(path.join(opts.assetsPath, 'well-known'));
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var serveStaticMap = {};
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var serveIndexMap = {};
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var content = opts.content;
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//var server;
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var serveInit;
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var app;
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function _reloadWrite(data, enc, cb) {
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/*jshint validthis: true */
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if (this.headersSent) {
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this.__write(data, enc, cb);
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return;
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}
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if (!/html/i.test(this.getHeader('Content-Type'))) {
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this.__write(data, enc, cb);
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return;
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}
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if (this.getHeader('Content-Length')) {
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this.setHeader('Content-Length', this.getHeader('Content-Length') + this.__my_addLen);
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}
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this.__write(this.__my_livereload);
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this.__write(data, enc, cb);
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}
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function createServeInit() {
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var PromiseA = require('bluebird');
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var fs = PromiseA.promisifyAll(require('fs'));
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var ownersPath = path.join(__dirname, '..', 'var', 'owners.json');
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return require('../packages/apis/com.daplie.caddy').create({
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PromiseA: PromiseA
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, storage: {
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owners: {
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all: function () {
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var owners;
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try {
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owners = require(ownersPath);
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} catch(e) {
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owners = {};
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}
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return PromiseA.resolve(Object.keys(owners).map(function (key) {
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var owner = owners[key];
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owner.id = key;
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return owner;
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}));
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}
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, set: function (id, obj) {
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var owners;
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try {
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owners = require(ownersPath);
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} catch(e) {
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owners = {};
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}
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obj.id = id;
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owners[id] = obj;
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return fs.writeFileAsync(ownersPath, JSON.stringify(owners), 'utf8');
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}
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}
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}
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, recase: require('recase').create({})
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, options: opts
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});
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}
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app = express();
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if (!opts.sites) {
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opts.sites = [];
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}
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opts.sites._map = {};
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opts.sites.forEach(function (site) {
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if (!opts.sites._map[site.$id]) {
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opts.sites._map[site.$id] = site;
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}
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if (!site.paths) {
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site.paths = [];
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}
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if (!site.paths._map) {
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site.paths._map = {};
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}
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site.paths.forEach(function (path) {
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site.paths._map[path.$id] = path;
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if (!path.modules) {
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path.modules = [];
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}
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if (!path.modules._map) {
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path.modules._map = {};
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}
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path.modules.forEach(function (module) {
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path.modules._map[module.$id] = module;
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});
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});
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});
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function mapMap(el, i, arr) {
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arr._map[el.$id] = el;
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}
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opts.global.modules._map = {};
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opts.global.modules.forEach(mapMap);
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opts.global.paths._map = {};
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opts.global.paths.forEach(function (path, i, arr) {
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mapMap(path, i, arr);
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//opts.global.paths._map[path.$id] = path;
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path.modules._map = {};
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path.modules.forEach(mapMap);
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});
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opts.sites.forEach(function (site) {
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site.paths._map = {};
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site.paths.forEach(function (path, i, arr) {
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mapMap(path, i, arr);
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//site.paths._map[path.$id] = path;
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path.modules._map = {};
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path.modules.forEach(mapMap);
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});
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});
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opts.defaults.modules._map = {};
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opts.defaults.modules.forEach(mapMap);
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opts.defaults.paths._map = {};
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opts.defaults.paths.forEach(function (path, i, arr) {
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mapMap(path, i, arr);
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//opts.global.paths._map[path.$id] = path;
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path.modules._map = {};
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path.modules.forEach(mapMap);
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});
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return app.use('/', function (req, res, next) {
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if (!req.headers.host) {
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next(new Error('missing HTTP Host header'));
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return;
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}
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if (0 === req.url.indexOf('/api/com.daplie.caddy/')) {
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if (!serveInit) {
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serveInit = createServeInit();
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}
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}
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if ('/api/com.daplie.caddy/init' === req.url) {
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serveInit.init(req, res);
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return;
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}
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if ('/api/com.daplie.caddy/config' === req.url) {
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serveInit.config(req, res);
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return;
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}
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if (content && '/' === req.url) {
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// res.setHeader('Content-Type', 'application/octet-stream');
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res.end(content);
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return;
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}
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//var done = finalhandler(req, res);
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var host = req.headers.host;
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var hostname = (host||'').split(':')[0].toLowerCase();
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console.log('opts.global', opts.global);
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var sites = [ opts.global || null, opts.sites._map[hostname] || null, opts.defaults || null ];
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var loadables = {
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serve: function (config, hostname, pathname, req, res, next) {
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var originalUrl = req.url;
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var dirpaths = config.paths.slice(0);
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function nextServe() {
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var dirname = dirpaths.pop();
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if (!dirname) {
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req.url = originalUrl;
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next();
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return;
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}
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console.log('[serve]', req.url, hostname, pathname, dirname);
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dirname = path.resolve(opts.cwd, dirname.replace(/:hostname/, hostname));
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if (!serveStaticMap[dirname]) {
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serveStaticMap[dirname] = serveStatic(dirname);
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}
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serveStaticMap[dirname](req, res, nextServe);
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}
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req.url = req.url.substr(pathname.length - 1);
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nextServe();
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}
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, indexes: function (config, hostname, pathname, req, res, next) {
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var originalUrl = req.url;
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var dirpaths = config.paths.slice(0);
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function nextIndex() {
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var dirname = dirpaths.pop();
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if (!dirname) {
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req.url = originalUrl;
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next();
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return;
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}
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console.log('[indexes]', req.url, hostname, pathname, dirname);
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dirname = path.resolve(opts.cwd, dirname.replace(/:hostname/, hostname));
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if (!serveStaticMap[dirname]) {
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serveIndexMap[dirname] = serveIndex(dirname);
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}
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serveIndexMap[dirname](req, res, nextIndex);
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}
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req.url = req.url.substr(pathname.length - 1);
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nextIndex();
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}
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, app: function (config, hostname, pathname, req, res, next) {
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//var appfile = path.resolve(/*process.cwd(), */config.path.replace(/:hostname/, hostname));
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var appfile = config.path.replace(/:hostname/, hostname);
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var app = require(appfile);
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app(req, res, next);
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}
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};
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function runModule(module, hostname, pathname, modulename, req, res, next) {
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if (!loadables[modulename]) {
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next(new Error("no module '" + modulename + "' found"));
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return;
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}
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loadables[modulename](module, hostname, pathname, req, res, next);
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}
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function iterModules(modules, hostname, pathname, req, res, next) {
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console.log('modules');
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console.log(modules);
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var modulenames = Object.keys(modules._map);
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function nextModule() {
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var modulename = modulenames.pop();
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if (!modulename) {
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next();
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return;
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}
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console.log('modules', modules);
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runModule(modules._map[modulename], hostname, pathname, modulename, req, res, nextModule);
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}
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nextModule();
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}
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function iterPaths(site, hostname, req, res, next) {
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console.log('site', hostname);
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console.log(site);
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var pathnames = Object.keys(site.paths._map);
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console.log('pathnames', pathnames);
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pathnames = pathnames.filter(function (pathname) {
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// TODO ensure that pathname has trailing /
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return (0 === req.url.indexOf(pathname));
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//return req.url.match(pathname);
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});
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pathnames.sort(function (a, b) {
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return b.length - a.length;
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});
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console.log('pathnames', pathnames);
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function nextPath() {
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var pathname = pathnames.shift();
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if (!pathname) {
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next();
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return;
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}
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console.log('iterPaths', hostname, pathname, req.url);
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iterModules(site.paths._map[pathname].modules, hostname, pathname, req, res, nextPath);
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}
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nextPath();
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}
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function nextSite() {
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console.log('hostname', hostname, sites);
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var site;
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if (!sites.length) {
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next(); // 404
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return;
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}
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site = sites.shift();
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if (!site) {
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nextSite();
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return;
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}
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iterPaths(site, hostname, req, res, nextSite);
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}
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nextSite();
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/*
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function serveStaticly(server) {
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function serveTheStatic() {
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server.serve(req, res, function (err) {
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if (err) { return done(err); }
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server.index(req, res, function (err) {
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if (err) { return done(err); }
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req.url = req.url.replace(/\/assets/, '');
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assetServer(req, res, function () {
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if (err) { return done(err); }
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req.url = req.url.replace(/\/\.well-known/, '');
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wellKnownServer(req, res, done);
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});
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});
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});
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}
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if (server.expressApp) {
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server.expressApp(req, res, serveTheStatic);
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return;
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}
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serveTheStatic();
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}
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if (opts.livereload) {
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res.__my_livereload = '<script src="//'
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+ (host || opts.sites[0].name).split(':')[0]
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+ ':35729/livereload.js?snipver=1"></script>';
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res.__my_addLen = res.__my_livereload.length;
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// TODO modify prototype instead of each instance?
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res.__write = res.write;
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res.write = _reloadWrite;
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}
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console.log('hostname:', hostname, opts.sites[0].paths);
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addServer(hostname);
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server = hostsMap[hostname] || hostsMap[opts.sites[0].name];
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serveStaticly(server);
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*/
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});
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};
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