111 lines
3.0 KiB
JavaScript
111 lines
3.0 KiB
JavaScript
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var AWS = require('../core');
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var util = require('../util');
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var QueryParamSerializer = require('../query/query_param_serializer');
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var Shape = require('../model/shape');
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var populateHostPrefix = require('./helpers').populateHostPrefix;
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function buildRequest(req) {
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var operation = req.service.api.operations[req.operation];
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var httpRequest = req.httpRequest;
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httpRequest.headers['Content-Type'] =
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'application/x-www-form-urlencoded; charset=utf-8';
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httpRequest.params = {
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Version: req.service.api.apiVersion,
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Action: operation.name
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};
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// convert the request parameters into a list of query params,
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// e.g. Deeply.NestedParam.0.Name=value
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var builder = new QueryParamSerializer();
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builder.serialize(req.params, operation.input, function(name, value) {
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httpRequest.params[name] = value;
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});
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httpRequest.body = util.queryParamsToString(httpRequest.params);
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populateHostPrefix(req);
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}
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function extractError(resp) {
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var data, body = resp.httpResponse.body.toString();
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if (body.match('<UnknownOperationException')) {
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data = {
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Code: 'UnknownOperation',
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Message: 'Unknown operation ' + resp.request.operation
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};
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} else {
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try {
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data = new AWS.XML.Parser().parse(body);
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} catch (e) {
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data = {
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Code: resp.httpResponse.statusCode,
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Message: resp.httpResponse.statusMessage
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};
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}
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}
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if (data.requestId && !resp.requestId) resp.requestId = data.requestId;
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if (data.Errors) data = data.Errors;
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if (data.Error) data = data.Error;
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if (data.Code) {
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resp.error = util.error(new Error(), {
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code: data.Code,
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message: data.Message
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});
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} else {
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resp.error = util.error(new Error(), {
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code: resp.httpResponse.statusCode,
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message: null
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});
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}
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}
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function extractData(resp) {
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var req = resp.request;
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var operation = req.service.api.operations[req.operation];
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var shape = operation.output || {};
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var origRules = shape;
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if (origRules.resultWrapper) {
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var tmp = Shape.create({type: 'structure'});
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tmp.members[origRules.resultWrapper] = shape;
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tmp.memberNames = [origRules.resultWrapper];
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util.property(shape, 'name', shape.resultWrapper);
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shape = tmp;
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}
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var parser = new AWS.XML.Parser();
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// TODO: Refactor XML Parser to parse RequestId from response.
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if (shape && shape.members && !shape.members._XAMZRequestId) {
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var requestIdShape = Shape.create(
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{ type: 'string' },
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{ api: { protocol: 'query' } },
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'requestId'
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);
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shape.members._XAMZRequestId = requestIdShape;
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}
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var data = parser.parse(resp.httpResponse.body.toString(), shape);
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resp.requestId = data._XAMZRequestId || data.requestId;
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if (data._XAMZRequestId) delete data._XAMZRequestId;
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if (origRules.resultWrapper) {
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if (data[origRules.resultWrapper]) {
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util.update(data, data[origRules.resultWrapper]);
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delete data[origRules.resultWrapper];
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}
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}
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resp.data = data;
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}
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/**
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* @api private
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*/
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module.exports = {
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buildRequest: buildRequest,
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extractError: extractError,
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extractData: extractData
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};
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