instagram-node-lib/lib/class.instagram.subscriptions.js

This package is a wrapper for the Instagram API.

// Generated by CoffeeScript 1.3.3
(function() {
  var InstagramSubscriptions, crypto, url;

  url = require('url');

  crypto = require('crypto');

  InstagramSubscriptions = (function() {

    function InstagramSubscriptions(parent) {
      this.parent = parent;
    }

    /*
      Verification Methods
    */


    InstagramSubscriptions.prototype.handshake = function(request, response, complete) {
      var body, headers, parsedRequest;
      parsedRequest = url.parse(request.url, true);
      if (parsedRequest['query']['hub.mode'] === 'subscribe' && (parsedRequest['query']['hub.challenge'] != null) && parsedRequest['query']['hub.challenge'].length > 0) {
        body = parsedRequest['query']['hub.challenge'];
        headers = {
          'Content-Length': body.length,
          'Content-Type': 'text/plain'
        };
        response.writeHead(200, headers);
        response.write(body);
        if ((parsedRequest['query']['hub.verify_token'] != null) && (complete != null)) {
          complete(parsedRequest['query']['hub.verify_token']);
        }
      } else {
        response.writeHead(400);
      }
      return response.end();
    };

    InstagramSubscriptions.prototype.verified = function(request) {
      var calculated_signature, encoding, hmac;
      if (request.rawBody === null || request.headers['x-hub-signature'] === void 0 || request.headers['x-hub-signature'] === null) {
        return false;
      }
      hmac = crypto.createHmac('sha1', this.parent._config.client_secret);
      hmac.update(request.rawBody);
      calculated_signature = hmac.digest(encoding = 'hex');
      if (calculated_signature !== request.headers['x-hub-signature']) {
        return false;
      }
      return true;
    };

    /*
      Shared Subscription Methods
    */


    InstagramSubscriptions.prototype._subscribe = function(params) {
      var i, _i, _len, _ref;
      params['method'] = "POST";
      params['path'] = "/" + this.parent._api_version + "/subscriptions/";
      if ((typeof params['callback_url'] === 'undefined' || params['callback_url'] === null) && this.parent._config.callback_url !== null) {
        params['callback_url'] = this.parent._config.callback_url;
      }
      params['post_data'] = {
        object: params['object'],
        aspect: 'media',
        client_id: this.parent._config.client_id,
        client_secret: this.parent._config.client_secret,
        callback_url: params['callback_url']
      };
      _ref = ['object_id', 'verify_token', 'lat', 'lng', 'radius'];
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        i = _ref[_i];
        if (params[i] != null) {
          params['post_data'][i] = params[i];
        }
      }
      return this.parent._request(params);
    };

    InstagramSubscriptions.prototype._unsubscribe = function(params) {
      params['method'] = "DELETE";
      params['path'] = "/" + this.parent._api_version + "/subscriptions/";
      if (params['id'] != null) {
        params['path'] += "?id=" + params['id'];
      } else {
        params['path'] += "?object=" + params['object'];
      }
      params['path'] += "&client_secret=" + this.parent._config.client_secret + "&client_id=" + this.parent._config.client_id;
      return this.parent._request(params);
    };

    /*
      Shared Public Methods
    */


    InstagramSubscriptions.prototype.subscribe = function(params) {
      return this._subscribe(params);
    };

    InstagramSubscriptions.prototype.list = function(params) {
      params = this.parent._clone(params);
      params['path'] = "/" + this.parent._api_version + "/subscriptions?client_secret=" + this.parent._config.client_secret + "&client_id=" + this.parent._config.client_id;
      return this.parent._request(params);
    };

    InstagramSubscriptions.prototype.unsubscribe = function(params) {
      return this._unsubscribe(params);
    };

    InstagramSubscriptions.prototype.unsubscribe_all = function(params) {
      if (params['object'] === void 0 || !(params['object'] != null)) {
        params['object'] = 'all';
      }
      return this._unsubscribe(params);
    };

    return InstagramSubscriptions;

  })();

  module.exports = InstagramSubscriptions;

}).call(this);