JavaScriptでNiftyCloud mb の REST APIを呼ぶメモ

jQuery と jsSHA(https://caligatio.github.io/jsSHA/) を利用して、
JavaScriptから Nifty Cloud mb の REST API を呼び出す。

参考 REST API リファレンス
http://mb.cloud.nifty.com/doc/current/rest/common/format.html

        /**
         * RESTAPI /2013-09-01/installations に PUSH通知用キーを登録する
         */
        postInstallation: function (deviceToken) {

            var self = this, str = "", signature = "",
                now = (new Date()).toISOString(),
                // アプリケーションキー
                applicationKey = '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef',
                // クライアントキー
                clientKey = '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef',
                params =
                    'SignatureMethod=HmacSHA256&SignatureVersion=2'
                    + '&X-NCMB-Application-Key=' + applicationKey
                    + '&X-NCMB-Timestamp=' + now
                // URLにクエリパラメータがある場合、付与
                // + '&where=%7B%22testKey%22%3A%22testValue%22%7D';
            ;

            str += "POST\n";
            str += "mb.api.cloud.nifty.com\n";
            str += "/2013-09-01/installations\n";
            str += params;

            // HMAC-SHA256
            var sha256 = new jsSHA('SHA-256', 'TEXT');
            sha256.setHMACKey(clientKey, 'TEXT');
            sha256.update(str);
            signature = sha256.getHMAC("B64");

            $.ajax({
                url: 'https://mb.api.cloud.nifty.com/2013-09-01/installations',
                type: 'POST',
                headers: {
                    'X-NCMB-Application-Key': applicationKey,
                    'X-NCMB-Timestamp': now,
                    'X-NCMB-Signature': signature,
                    "Content-Type": "application/json",
                },
                dataType: 'json',
                data: JSON.stringify({
                    "deviceType": "ios",
                    "deviceToken": deviceToken,
                }),
            }).then(function (data) {
                console.log(data);
            });

        }