var util = require('../util'); var Rest = require('./rest'); var Json = require('./json'); var JsonBuilder = require('../json/builder'); var JsonParser = require('../json/parser'); var METHODS_WITHOUT_BODY = ['GET', 'HEAD', 'DELETE']; function unsetContentLength(req) { var payloadMember = util.getRequestPayloadShape(req); if ( payloadMember === undefined && METHODS_WITHOUT_BODY.indexOf(req.httpRequest.method) >= 0 ) { delete req.httpRequest.headers['Content-Length']; } } function populateBody(req) { var builder = new JsonBuilder(); var input = req.service.api.operations[req.operation].input; if (input.payload) { var params = {}; var payloadShape = input.members[input.payload]; params = req.params[input.payload]; if (payloadShape.type === 'structure') { req.httpRequest.body = builder.build(params || {}, payloadShape); applyContentTypeHeader(req); } else if (params !== undefined) { // non-JSON payload req.httpRequest.body = params; if (payloadShape.type === 'binary' || payloadShape.isStreaming) { applyContentTypeHeader(req, true); } } } else { req.httpRequest.body = builder.build(req.params, input); applyContentTypeHeader(req); } } function applyContentTypeHeader(req, isBinary) { if (!req.httpRequest.headers['Content-Type']) { var type = isBinary ? 'binary/octet-stream' : 'application/json'; req.httpRequest.headers['Content-Type'] = type; } } function buildRequest(req) { Rest.buildRequest(req); // never send body payload on GET/HEAD/DELETE if (METHODS_WITHOUT_BODY.indexOf(req.httpRequest.method) < 0) { populateBody(req); } } function extractError(resp) { Json.extractError(resp); } function extractData(resp) { Rest.extractData(resp); var req = resp.request; var operation = req.service.api.operations[req.operation]; var rules = req.service.api.operations[req.operation].output || {}; var parser; var hasEventOutput = operation.hasEventOutput; if (rules.payload) { var payloadMember = rules.members[rules.payload]; var body = resp.httpResponse.body; if (payloadMember.isEventStream) { parser = new JsonParser(); resp.data[payload] = util.createEventStream( AWS.HttpClient.streamsApiVersion === 2 ? resp.httpResponse.stream : body, parser, payloadMember ); } else if (payloadMember.type === 'structure' || payloadMember.type === 'list') { var parser = new JsonParser(); resp.data[rules.payload] = parser.parse(body, payloadMember); } else if (payloadMember.type === 'binary' || payloadMember.isStreaming) { resp.data[rules.payload] = body; } else { resp.data[rules.payload] = payloadMember.toType(body); } } else { var data = resp.data; Json.extractData(resp); resp.data = util.merge(data, resp.data); } } /** * @api private */ module.exports = { buildRequest: buildRequest, extractError: extractError, extractData: extractData, unsetContentLength: unsetContentLength };