nodekit-cli-lib
Version:
Command-line helpers for NodeKit command line interface
169 lines (147 loc) • 6.39 kB
JavaScript
/**
Licensed to OffGrid Networks (OGN) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. OGN licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
var nodekit_util = require('./util'),
crypto = require('crypto'),
path = require('path'),
shell = require('shelljs'),
url = require('url'),
platforms = require('../platforms/platforms'),
ConfigParser = require('nodekit-cli-lib')['nodekit-common'].ConfigParser,
HooksRunner = require('../hooks/HooksRunner'),
Q = require('q'),
fs = require('fs'),
events = require('nodekit-cli-lib')['nodekit-common'].events,
serve = require('nodekit-cli-lib')['nodekit-serve'];
var projectRoot;
var installedPlatforms;
function handleRoot(request, response, next) {
if (url.parse(request.url).pathname !== '/') {
response.sendStatus(404);
return;
}
response.writeHead(200, {'Content-Type': 'text/html'});
var config = new ConfigParser(nodekit_util.projectConfig(projectRoot));
var contentNode = config.doc.find('content');
var contentSrc = contentNode && contentNode.attrib.src || 'index.html';
response.write('<html><head><title>' + config.name() + '</title></head><body>');
response.write('<table border cellspacing=0><thead><caption><h3>Package Metadata</h3></caption></thead><tbody>');
['name', 'packageName', 'version'].forEach(function (c) {
response.write('<tr><th>' + c + '</th><td>' + config[c]() + '</td></tr>');
});
response.write('</tbody></table>');
response.write('<h3>Platforms</h3><ul>');
Object.keys(platforms).forEach(function (platform) {
if (installedPlatforms.indexOf(platform) >= 0) {
response.write('<li><a href="' + platform + '/www/' + contentSrc + '">' + platform + '</a></li>\n');
} else {
response.write('<li><em>' + platform + '</em></li>\n');
}
});
response.write('</ul>');
response.write('<h3>Plugins</h3><ul>');
var pluginPath = path.join(projectRoot, 'plugins');
var plugins = nodekit_util.findPlugins(pluginPath);
Object.keys(plugins).forEach(function (plugin) {
response.write('<li>' + plugins[plugin] + '</li>\n');
});
response.write('</ul>');
response.write('</body></html>');
response.end();
}
function getPlatformHandler(platform, wwwDir, configXml) {
return function (request, response, next) {
switch (url.parse(request.url).pathname) {
case '/' + platform + '/config.xml':
response.sendFile(configXml);
break;
case '/' + platform + '/project.json':
response.send({
'configPath': '/' + platform + '/config.xml',
'wwwPath': '/' + platform + '/www',
'wwwFileList': shell.find(wwwDir)
.filter(function (a) { return !fs.statSync(a).isDirectory() && !/(^\.)|(\/\.)/.test(a); })
.map(function (a) { return {'path': a.slice(wwwDir.length), 'etag': '' + calculateMd5(a)}; })
});
break;
default:
next();
}
};
}
// https://issues.apache.org/jira/browse/CB-11274
// Use referer url to redirect absolute urls to the requested platform resources
// so that an URL is resolved against that platform www directory.
function getAbsolutePathHandler() {
return function (request, response, next) {
if (!request.headers.referer) {
next();
return;
}
var pathname = url.parse(request.headers.referer).pathname;
var platform = pathname.split('/')[1];
if (installedPlatforms.indexOf(platform) >= 0 &&
request.originalUrl.indexOf(platform) === -1) {
response.redirect('/' + platform + '/www' + request.originalUrl);
} else {
next();
}
};
}
function calculateMd5(fileName) {
var md5sum,
BUF_LENGTH = 64*1024,
buf = new Buffer(BUF_LENGTH),
bytesRead = BUF_LENGTH,
pos = 0,
fdr = fs.openSync(fileName, 'r');
try {
md5sum = crypto.createHash('md5');
while (bytesRead === BUF_LENGTH) {
bytesRead = fs.readSync(fdr, buf, 0, BUF_LENGTH, pos);
pos += bytesRead;
md5sum.update(buf.slice(0, bytesRead));
}
} finally {
fs.closeSync(fdr);
}
return md5sum.digest('hex');
}
module.exports = function server(port, opts) {
port = +port || 8000;
return Q.promise(function(resolve) {
projectRoot = nodekit_util.cdProjectRoot();
var hooksRunner = new HooksRunner(projectRoot);
hooksRunner.fire('before_serve', opts).then(function () {
// Run a prepare first!
return require('./nodekit').raw.prepare([]);
}).then(function () {
var server = serve();
installedPlatforms = nodekit_util.listPlatforms(projectRoot);
installedPlatforms.forEach(function (platform) {
var locations = platforms.getPlatformApi(platform).getPlatformInfo().locations;
server.app.use('/' + platform + '/www', serve.static(locations.www));
server.app.get('/' + platform + '/*', getPlatformHandler(platform, locations.www, locations.configXml));
});
server.app.get('/*', getAbsolutePathHandler());
server.app.get('*', handleRoot);
server.launchServer({port: port, events: events});
hooksRunner.fire('after_serve', opts).then(function () {
resolve(server.server);
});
});
});
};