function requestSetOfCodes()

in Modules/token-path.js [118:181]
48 lines of code
2 McCabe index (conditional complexity)

function requestSetOfCodes(event, callback) {
    // Generating the user code (a unique code to return to the end user) and device code (a unique code for future device calls)
    var user_code = common.randomString(process.env.USER_CODE_LENGTH, process.env.USER_CODE_FORMAT);
    var device_code = common.randomString(process.env.DEVICE_CODE_LENGTH, process.env.DEVICE_CODE_FORMAT);
    var scope = 'openid';
    
    // Creating a JSON structure to return codes to the device
    var codes = {
        device_code: device_code,
        user_code: user_code,
        verification_uri: "https://" + process.env.CODE_VERIFICATION_URI + "/device",
        verification_uri_complete: "https://" + process.env.CODE_VERIFICATION_URI + "/device?code=" + user_code + "&authorize=true",
        interval: parseInt(process.env.POLLING_INTERVAL),
        expires_in: parseInt(process.env.CODE_EXPIRATION)
    };

    if (event.queryStringParameters.scope && event.queryStringParameters.scope != '' ) {
        scope = event.queryStringParameters.scope;
    } else {
        scope = 'openid';
    }

    // Prepare the stroage of the codes in the DynamoDB table
    var DynamoDBParams = {
        Item: {
            "Device_code": {
                S: device_code
            },
            "User_code": {
                S: user_code
            },
            "Status": {
                S: "authorization_pending"
            },
            "Client_id": {
                S: event.queryStringParameters.client_id
            },
            "Max_expiry": {
                S: (Date.now() + process.env.CODE_EXPIRATION * 1000).toString()
            },
            "Last_checked": {
                S: (Date.now()).toString()
            },
            "Scope":  {
                S: scope
            }
        },
        ReturnConsumedCapacity: "TOTAL", 
        TableName: process.env.DYNAMODB_TABLE
    };
    // Insert the item in DynamoDB
    common.dynamodb.putItem(DynamoDBParams, function(err, data) {
        if (err) {
            //There was an error
            console.log(err, err.stack);
            console.log("Error inserting Codes item in the DynamoDB table");
            common.returnJSONError(500, callback);
        } else {
            //Successful, the Authorization request has been written to the DynamoDB table
            console.log("Inserting Codes item in the DynamoDB table: " + data);
            common.returnJSONSuccess(codes, callback);
        }
    });
}