117 lines
3.0 KiB
JavaScript
117 lines
3.0 KiB
JavaScript
'use strict';
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var os = require('os');
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var path = require('path');
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var http = require('http');
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var common = require('./cli-common.js');
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function packConfig(config) {
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return Object.keys(config).map(function (key) {
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var val = config[key];
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if ('undefined' === val) {
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throw new Error("'undefined' used as a string value");
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}
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if ('undefined' === typeof val) {
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//console.warn('[DEBUG]', key, 'is present but undefined');
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return;
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}
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if (val && 'object' === typeof val && !Array.isArray(val)) {
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val = JSON.stringify(val);
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}
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return key + ':' + val; // converts arrays to strings with ,
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});
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}
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module.exports.create = function (state) {
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common._init(
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// make a default working dir and log dir
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state._clientConfig.root || path.join(os.homedir(), '.local/share/telebit')
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, (state._clientConfig.root && path.join(state._clientConfig.root, 'etc'))
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|| path.resolve(common.DEFAULT_CONFIG_PATH, '..')
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);
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state._ipc = common.pipename(state._clientConfig, true);
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function makeResponder(service, resp, fn) {
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var body = '';
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function finish() {
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var err;
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if (200 !== resp.statusCode) {
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err = new Error(body || ('get' + service + ' failed'));
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err.statusCode = resp.statusCode;
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err.code = "E_REQUEST";
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}
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try {
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body = JSON.parse(body);
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} catch(e) {
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// ignore
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}
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fn(err, body);
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}
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if (!resp.headers['content-length'] && !resp.headers['content-type']) {
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finish();
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return;
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}
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// TODO use readable
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resp.on('data', function (chunk) {
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body += chunk.toString();
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});
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resp.on('end', finish);
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}
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var RC = {};
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RC.request = function request(opts, fn) {
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if (!opts) { opts = {}; }
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var service = opts.service || 'config';
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var args = opts.data;
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if (args && 'control' === service) {
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args = packConfig(args);
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}
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var json = JSON.stringify(args);
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var url = '/rpc/' + service;
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if (json) {
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url += ('?_body=' + encodeURIComponent(json));
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}
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var method = opts.method || (args && 'POST') || 'GET';
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var req = http.request({
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socketPath: state._ipc.path
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, method: method
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, path: url
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}, function (resp) {
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makeResponder(service, resp, fn);
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});
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req.on('error', function (err) {
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// ENOENT - never started, cleanly exited last start, or creating socket at a different path
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// ECONNREFUSED - leftover socket just needs to be restarted
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if ('ENOENT' === err.code || 'ECONNREFUSED' === err.code) {
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if (opts._taketwo) {
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fn(err);
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return;
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}
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require('../usr/share/install-launcher.js').install({ env: process.env }, function (err) {
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if (err) { fn(err); return; }
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opts._taketwo = true;
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setTimeout(function () {
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RC.request(opts, fn);
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}, 2500);
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});
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return;
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}
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fn(err);
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});
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if ('POST' === method && opts.data) {
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req.write(json || opts.data);
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}
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req.end();
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};
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return RC;
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};
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