skyriver/lib/hub.js

SkyRiver Streaming Cloud server-side library for NodeJS

'use strict';

var Credentials = require('./credentials')
    , API = require('./api'),
    fmt = require('util'),
    util = require('./util'),
    config = require('./config');

function Hub(credentials) {
  this.credentials = credentials;
  this.hub = config.const.DEFAULT_HUB;
  this.host = config.API_HOST;
  this.port = config.API_PORT;
  API.init();
};

function vodUrlPath(key) {
  var path = fmt.format('/v1/files/%s/vodurl', key);
  const expires = 3600;
  var deadline = expires + Math.floor(Date.now() / 1000);

  if (path.indexOf('?') >= 0) {
    path += '&nonce=';
  } else {
    path += '?nonce=';
  }
  path += deadline;

  var signature = util.hmacSha1(path, config.APP_SECRET);
  var encodedSign = util.base64ToUrlSafe(signature);
  var downloadToken = config.APP_KEY + ':' + encodedSign;
  path += '&token=' + downloadToken;
  return path;
}

Hub.prototype.createStream = function(options, fn) {
  API.createStream(this.credentials, this.hub, options, fn);
}

Hub.prototype.getStream = function(streamId, fn) {
  API.getStream(this.credentials, streamId, fn);
}

Hub.prototype.listStreams = function(options, fn) {
  API.listStreams(this.credentials, this.hub, options, fn);
}

Hub.prototype.getStreamsConnect = function(streamIds, fn) {
  var ids = {
    streamIds: streamIds
  };
  API.getStreamsConnect(this.credentials, ids, fn);
}

Hub.prototype.getReceiver = function(streamId, fn) {
  API.getReceiver(this.credentials, streamId, fn);
};

Hub.prototype.getDispatchers = function(fn) {
  API.getDispatchers(this.credentials, fn);
};

Hub.prototype.getReceivers = function(fn) {
  API.getReceivers(this.credentials, fn);
};

Hub.prototype.getStorage = function(uploadToken, fn) {
  API.getStorage(this.credentials, uploadToken, fn);
};

/**
 * 生成api网关获取点播接口链接
 * @param key
 * @returns http://12.7.0.0.1:8000/v1/files/key/vodurl?e=1111&token=downloadtoken
 */
Hub.prototype.vodURL = function(key) {
  var path = vodUrlPath(key);
  return fmt.format('http://%s:%s%s', this.host, this.port, path);
};

/**
 * 获取点播地址
 * @param key
 * @returns
 * {
      key,
      nonce: curNonce,
      token: '1234',
      ports: { rtmp: dispatcher.port_publish, hls: dispatcher.port_play },
      urls: {
        hls: `/vod/${key}?nonce=${curNonce}&token=1234`
      },
      dispatchers: dispatcher.dispatchers
    }
 */
Hub.prototype.getVodPlayURL = function(key, fn) {
  var path = vodUrlPath(key);
  API.getVodPlayURL(this.credentials, path, fn);
};

/**
 * 删除点播/录制文件，删除录制文件需要传streamId
 * @param key
 * @param fn
 */
Hub.prototype.delVodFile = function(key, streamId, fn) {
  API.deleteVodFile(this.credentials, key, streamId, fn);
};

/**
 * 获取服务器配置的转码参数
 * @param fn
 */
Hub.prototype.getAvthumbConfig = function(fn) {
  API.getAvthumbConfig(this.credentials, fn);
};


module.exports = Hub;