cdk-iot-greengrass-fleet-provisioning
Version:
CDK Construct for AWS IoT Greengrass Fleet Provisioning (with AWS IoT Certificates)
79 lines (78 loc) • 3.59 kB
JavaScript
import { HttpBindingProtocol, HttpInterceptingShapeDeserializer, HttpInterceptingShapeSerializer, } from "@smithy/core/protocols";
import { NormalizedSchema, SCHEMA } from "@smithy/core/schema";
import { ProtocolLib } from "../ProtocolLib";
import { loadRestXmlErrorCode } from "./parseXmlBody";
import { XmlCodec } from "./XmlCodec";
export class AwsRestXmlProtocol extends HttpBindingProtocol {
codec;
serializer;
deserializer;
mixin = new ProtocolLib();
constructor(options) {
super(options);
const settings = {
timestampFormat: {
useTrait: true,
default: SCHEMA.TIMESTAMP_DATE_TIME,
},
httpBindings: true,
xmlNamespace: options.xmlNamespace,
serviceNamespace: options.defaultNamespace,
};
this.codec = new XmlCodec(settings);
this.serializer = new HttpInterceptingShapeSerializer(this.codec.createSerializer(), settings);
this.deserializer = new HttpInterceptingShapeDeserializer(this.codec.createDeserializer(), settings);
}
getPayloadCodec() {
return this.codec;
}
getShapeId() {
return "aws.protocols#restXml";
}
async serializeRequest(operationSchema, input, context) {
const request = await super.serializeRequest(operationSchema, input, context);
const inputSchema = NormalizedSchema.of(operationSchema.input);
if (!request.headers["content-type"]) {
const contentType = this.mixin.resolveRestContentType(this.getDefaultContentType(), inputSchema);
if (contentType) {
request.headers["content-type"] = contentType;
}
}
if (request.headers["content-type"] === this.getDefaultContentType()) {
if (typeof request.body === "string") {
request.body = '<?xml version="1.0" encoding="UTF-8"?>' + request.body;
}
}
if (request.body) {
try {
request.headers["content-length"] = this.mixin.calculateContentLength(request.body, this.serdeContext);
}
catch (e) { }
}
return request;
}
async deserializeResponse(operationSchema, context, response) {
return super.deserializeResponse(operationSchema, context, response);
}
async handleError(operationSchema, context, response, dataObject, metadata) {
const errorIdentifier = loadRestXmlErrorCode(response, dataObject) ?? "Unknown";
const { errorSchema, errorMetadata } = await this.mixin.getErrorSchemaOrThrowBaseException(errorIdentifier, this.options.defaultNamespace, response, dataObject, metadata);
const ns = NormalizedSchema.of(errorSchema);
const message = dataObject.Error?.message ?? dataObject.Error?.Message ?? dataObject.message ?? dataObject.Message ?? "Unknown";
const exception = new errorSchema.ctor(message);
await this.deserializeHttpMessage(errorSchema, context, response, dataObject);
const output = {};
for (const [name, member] of ns.structIterator()) {
const target = member.getMergedTraits().xmlName ?? name;
const value = dataObject.Error?.[target] ?? dataObject[target];
output[name] = this.codec.createDeserializer().readSchema(member, value);
}
throw Object.assign(exception, errorMetadata, {
$fault: ns.getMergedTraits().error,
message,
}, output);
}
getDefaultContentType() {
return "application/xml";
}
}