112 lines
2.9 KiB
JavaScript
112 lines
2.9 KiB
JavaScript
const Constants = require("./constants.js");
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const Spec = require("../../specs/spec_1.js");
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const JSONParser = require("../../formats/json/parser.js");
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const Base64Parser = require("../../formats/base64.js");
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const BinaryHTTPReceiver = require("./receiver_binary.js");
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const {
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isString,
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isBase64
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} = require("../../utils/fun.js");
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const parserByType = {};
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parserByType[Constants.MIME_JSON] = new JSONParser();
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parserByType[Constants.MIME_OCTET_STREAM] = {
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parse(payload) { return payload; }
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};
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const parsersByEncoding = {};
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parsersByEncoding.null = parserByType;
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parsersByEncoding[undefined] = parserByType;
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// base64
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parsersByEncoding[Constants.ENCODING_BASE64] = {};
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parsersByEncoding[Constants.ENCODING_BASE64][Constants.MIME_JSON] =
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new JSONParser(new Base64Parser());
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parsersByEncoding[Constants.ENCODING_BASE64][Constants.MIME_OCTET_STREAM] = {
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parse(payload) { return payload; }
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};
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const allowedContentTypes = [];
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allowedContentTypes.push(Constants.MIME_JSON);
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allowedContentTypes.push(Constants.MIME_OCTET_STREAM);
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const allowedEncodings = [];
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allowedEncodings.push(Constants.ENCODING_BASE64);
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const requiredHeaders = [];
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requiredHeaders.push(Constants.BINARY_HEADERS_1.TYPE);
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requiredHeaders.push(Constants.BINARY_HEADERS_1.SPEC_VERSION);
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requiredHeaders.push(Constants.BINARY_HEADERS_1.SOURCE);
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requiredHeaders.push(Constants.BINARY_HEADERS_1.ID);
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const setterByHeader = {};
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setterByHeader[Constants.BINARY_HEADERS_1.TYPE] = {
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name: "type",
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parser: (v) => v
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};
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setterByHeader[Constants.BINARY_HEADERS_1.SPEC_VERSION] = {
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name: "specversion",
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parser: () => "1.0"
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};
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setterByHeader[Constants.BINARY_HEADERS_1.SOURCE] = {
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name: "source",
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parser: (v) => v
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};
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setterByHeader[Constants.BINARY_HEADERS_1.ID] = {
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name: "id",
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parser: (v) => v
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};
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setterByHeader[Constants.BINARY_HEADERS_1.TIME] = {
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name: "time",
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parser: (v) => new Date(Date.parse(v))
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};
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setterByHeader[Constants.BINARY_HEADERS_1.DATA_SCHEMA] = {
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name: "dataschema",
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parser: (v) => v
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};
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setterByHeader[Constants.HEADER_CONTENT_TYPE] = {
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name: "dataContentType",
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parser: (v) => v
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};
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setterByHeader[Constants.BINARY_HEADERS_1.SUBJECT] = {
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name: "subject",
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parser: (v) => v
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};
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// Leaving these in place for now. TODO: fixme
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// eslint-disable-next-line
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function checkDecorator(payload, headers) {
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}
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// Leaving this in place for now. TODO: fixme
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// eslint-disable-next-line
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function Receiver(configuration) {
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this.receiver = new BinaryHTTPReceiver(
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parsersByEncoding,
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setterByHeader,
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allowedContentTypes,
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requiredHeaders,
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Spec,
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Constants.SPEC_V1,
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Constants.BINARY_HEADERS_1.EXTENSIONS_PREFIX,
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checkDecorator
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);
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}
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Receiver.prototype.check = function(payload, headers) {
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this.receiver.check(payload, headers);
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};
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Receiver.prototype.parse = function(payload, headers) {
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payload = isString(payload) && isBase64(payload)
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? Buffer.from(payload, "base64").toString()
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: payload;
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return this.receiver.parse(payload, headers);
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};
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module.exports = Receiver;
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