embark/lib/modules/ipfs/index.js

108 lines
3.5 KiB
JavaScript

const UploadIPFS = require('./upload.js');
const utils = require('../../utils/utils.js');
const fs = require('../../core/fs.js');
const IpfsApi = require('ipfs-api');
const _ = require('underscore');
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.upload.host;
this.port = options.port || this.storageConfig.upload.port;
this.protocol = options.protocol || this.storageConfig.upload.protocol;
this.embark = embark;
}
commandlineDeploy() {
let upload_ipfs = new UploadIPFS({
buildDir: this.buildDir || 'dist/',
storageConfig: this.storageConfig.upload,
configIpfsBin: this.storageConfig.ipfs_bin || "ipfs"
});
this.events.setCommandHandler('storage:upload:ipfs', upload_ipfs.deploy.bind(upload_ipfs));
}
setServiceCheck() {
let self = this;
let storageConfig = this.storageConfig;
if (!storageConfig.enabled) {
return;
}
if (_.findWhere(this.storageConfig.dappConnection, {'provider': 'ipfs'}) === undefined && (storageConfig.upload.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') + '..');
});
self.events.request("services:register", 'IPFS', function (cb) {
let url = (self.protocol || 'http') + '://' + self.host + ':' + self.port + '/api/v0/version';
self.logger.trace(`Checking IPFS version on ${url}...`);
if(self.protocol !== 'https'){
utils.httpGetJson(url, versionCb);
} else {
utils.httpsGetJson(url, versionCb);
}
function versionCb(err, body) {
if (err) {
self.logger.trace("IPFS unavailable");
return cb({name: "IPFS ", status: 'off'});
}
if (body.Version) {
self.logger.trace("IPFS available");
return cb({name: ("IPFS " + body.Version), status: 'on'});
}
self.logger.trace("IPFS available");
return cb({name: "IPFS ", status: 'on'});
}
});
}
addProviderToEmbarkJS() {
const self = this;
// TODO: make this a shouldAdd condition
if (this.storageConfig === {}) {
return;
}
if (this.storageConfig.available_providers.indexOf('ipfs') < 0 || _.findWhere(this.storageConfig.dappConnection, {'provider': 'ipfs'}) === undefined || 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);
}
addObjectToConsole() {
let ipfs = IpfsApi(this.host, this.port);
this.events.emit("runcode:register", "ipfs", ipfs);
}
}
module.exports = IPFS;