var util = require('../util'); var JsonBuilder = require('../json/builder'); var JsonParser = require('../json/parser'); var populateHostPrefix = require('./helpers').populateHostPrefix; function buildRequest(req) { var httpRequest = req.httpRequest; var api = req.service.api; var target = api.targetPrefix + '.' + api.operations[req.operation].name; var version = api.jsonVersion || '1.0'; var input = api.operations[req.operation].input; var builder = new JsonBuilder(); if (version === 1) version = '1.0'; httpRequest.body = builder.build(req.params || {}, input); httpRequest.headers['Content-Type'] = 'application/x-amz-json-' + version; httpRequest.headers['X-Amz-Target'] = target; populateHostPrefix(req); } function extractError(resp) { var error = {}; var httpResponse = resp.httpResponse; error.code = httpResponse.headers['x-amzn-errortype'] || 'UnknownError'; if (typeof error.code === 'string') { error.code = error.code.split(':')[0]; } if (httpResponse.body.length > 0) { try { var e = JSON.parse(httpResponse.body.toString()); if (e.__type || e.code) { error.code = (e.__type || e.code).split('#').pop(); } if (error.code === 'RequestEntityTooLarge') { error.message = 'Request body must be less than 1 MB'; } else { error.message = (e.message || e.Message || null); } } catch (e) { error.statusCode = httpResponse.statusCode; error.message = httpResponse.statusMessage; } } else { error.statusCode = httpResponse.statusCode; error.message = httpResponse.statusCode.toString(); } resp.error = util.error(new Error(), error); } function extractData(resp) { var body = resp.httpResponse.body.toString() || '{}'; if (resp.request.service.config.convertResponseTypes === false) { resp.data = JSON.parse(body); } else { var operation = resp.request.service.api.operations[resp.request.operation]; var shape = operation.output || {}; var parser = new JsonParser(); resp.data = parser.parse(body, shape); } } /** * @api private */ module.exports = { buildRequest: buildRequest, extractError: extractError, extractData: extractData };