embark-area-51/lib/modules/ipfs/index.js

125 lines
3.7 KiB
JavaScript

let UploadIPFS = require('./upload.js');
let utils = require('../../utils/utils.js');
let fs = require('../../core/fs.js');
let IpfsApi = require('ipfs-api');
class IPFS {
constructor(embark, options) {
this.logger = embark.logger;
this.events = embark.events;
this.buildDir = options.buildDir;
this.storageConfig = embark.config.storageConfig;
this.host = options.host || this.storageConfig.host;
this.port = options.port || this.storageConfig.port;
this.addCheck = options.addCheck;
this.embark = embark;
this.commandlineDeploy();
this.setServiceCheck();
this.addIPFSToEmbarkJS();
this.addSetProvider();
this.addIpfsObjectToConsole();
}
commandlineDeploy() {
let upload_ipfs = new UploadIPFS({
buildDir: this.buildDir || 'dist/',
storageConfig: this.storageConfig,
configIpfsBin: this.storageConfig.ipfs_bin || "ipfs"
});
this.embark.registerUploadCommand('ipfs', upload_ipfs.deploy.bind(upload_ipfs));
}
setServiceCheck() {
let self = this;
let storageConfig = this.storageConfig;
if (!storageConfig.enabled) {
return;
}
if (storageConfig.provider !== 'ipfs' && storageConfig.available_providers.indexOf("ipfs") < 0) {
return;
}
self.events.on('check:backOnline:IPFS', function () {
self.logger.info(__('IPFS node detected') + '..');
});
self.events.on('check:wentOffline:IPFS', function () {
self.logger.info(__('IPFS node is offline') + '..');
});
if (!self.addCheck) {
return;
}
self.addCheck('IPFS', function (cb) {
self.logger.trace("Checking IPFS version...");
utils.httpGetJson('http://' + self.host + ':' + self.port + '/api/v0/version', function (err, body) {
if (err) {
self.logger.trace("Check IPFS version error: " + err);
return cb({name: "IPFS ", status: 'off'});
}
if (body.Version) {
return cb({name: ("IPFS " + body.Version), status: 'on'});
}
return cb({name: "IPFS ", status: 'on'});
});
});
}
addIPFSToEmbarkJS() {
const self = this;
// TODO: make this a shouldAdd condition
if (this.storageConfig === {}) {
return;
}
if ((this.storageConfig.available_providers.indexOf('ipfs') < 0) && (this.storageConfig.provider !== 'ipfs' || this.storageConfig.enabled !== true)) {
return;
}
self.events.request("version:get:ipfs-api", function(ipfsApiVersion) {
let currentIpfsApiVersion = require('../../../package.json').dependencies["ipfs-api"];
if (ipfsApiVersion !== currentIpfsApiVersion) {
self.events.request("version:getPackageLocation", "ipfs-api", ipfsApiVersion, function(err, location) {
self.embark.registerImportFile("ipfs-api", fs.dappPath(location));
});
}
});
let code = "";
code += "\n" + fs.readFileSync(utils.joinPath(__dirname, 'embarkjs.js')).toString();
code += "\nEmbarkJS.Storage.registerProvider('ipfs', __embarkIPFS);";
this.embark.addCodeToEmbarkJS(code);
}
addSetProvider() {
let config = JSON.stringify({
server: this.storageConfig.host,
port: this.storageConfig.port,
protocol: this.storageConfig.protocol,
getUrl: this.storageConfig.getUrl
});
let code = "\nEmbarkJS.Storage.setProvider('ipfs'," + config + ");";
let shouldInit = (storageConfig) => {
return (storageConfig.provider === 'ipfs' && storageConfig.enabled === true);
};
this.embark.addProviderInit('storage', code, shouldInit);
}
addIpfsObjectToConsole() {
let ipfs = IpfsApi(this.storageConfig.host, this.storageConfig.port);
this.events.emit("runcode:register", "ipfs", ipfs);
}
}
module.exports = IPFS;