106 lines
2.6 KiB
JavaScript
106 lines
2.6 KiB
JavaScript
var axios = require("axios");
|
|
var empty = require("is-empty");
|
|
|
|
const Constants = require("./constants.js");
|
|
|
|
const Headers02 = {
|
|
TYPE : "ce-type",
|
|
SPEC_VERSION : "ce-specversion",
|
|
SOURCE : "ce-source",
|
|
ID : "ce-id",
|
|
TIME : "ce-time",
|
|
SCHEMA_URL : "ce-schemaurl",
|
|
EXTENSIONS_PREFIX : "ce-"
|
|
};
|
|
|
|
const required_headers = [];
|
|
required_headers.push(Headers02.TYPE);
|
|
required_headers.push(Headers02.SPEC_VERSION);
|
|
required_headers.push(Headers02.SOURCE);
|
|
required_headers.push(Headers02.ID);
|
|
|
|
function validate_args(payload, attributes) {
|
|
if(!payload){
|
|
throw {message: "payload is null or undefined"};
|
|
}
|
|
|
|
if(!attributes) {
|
|
throw {message: "attributes is null or undefined"};
|
|
}
|
|
|
|
if((typeof payload) !== "object"){
|
|
throw {message: "payload must be an object", erros: [typeof payload]};
|
|
}
|
|
}
|
|
|
|
function HTTPBinary02(configuration){
|
|
this.config = configuration;
|
|
|
|
if(!this.config["headers"]){
|
|
this.config["headers"] = {};
|
|
}
|
|
|
|
this.config["headers"]
|
|
[Constants.HEADER_CONTENT_TYPE] =
|
|
Constants.MIME_CE_JSON + "; charset=" + Constants.CHARSET_DEFAULT;
|
|
}
|
|
|
|
HTTPBinary02.prototype.check = function(payload, headers) {
|
|
// Validation Level 0
|
|
validate_args(payload, headers);
|
|
|
|
// Validation Level 1
|
|
for(i in required_headers){
|
|
if(!headers[required_headers[i]]){
|
|
throw {message: "header '" + required_headers[i] + "' not found"};
|
|
}
|
|
}
|
|
|
|
// No erros! Its contains the minimum required attributes
|
|
}
|
|
|
|
HTTPBinary02.prototype.parse = function(payload, headers) {
|
|
this.check(payload, headers);
|
|
|
|
|
|
}
|
|
|
|
HTTPBinary02.prototype.emit = function(cloudevent){
|
|
|
|
// Create new request object
|
|
var _config = JSON.parse(JSON.stringify(this.config));
|
|
|
|
// Always set stuff in _config
|
|
var _headers = _config["headers"];
|
|
|
|
_headers[Constants.HEADER_CONTENT_TYPE] = cloudevent.getContenttype();
|
|
|
|
_headers[Headers02.TYPE] = cloudevent.getType();
|
|
_headers[Headers02.SPEC_VERSION] = cloudevent.getSpecversion();
|
|
_headers[Headers02.SOURCE] = cloudevent.getSource();
|
|
_headers[Headers02.ID] = cloudevent.getId();
|
|
if(cloudevent.getTime()) {
|
|
_headers[Headers02.TIME] = cloudevent.getTime();
|
|
}
|
|
_headers[Headers02.SCHEMA_URL] = cloudevent.getSchemaurl();
|
|
|
|
// Set the cloudevent payload
|
|
_config["data"] = cloudevent.format().data;
|
|
|
|
// Have extensions?
|
|
var exts = cloudevent.getExtensions();
|
|
for(var ext in exts){
|
|
if({}.hasOwnProperty.call(exts, ext)){
|
|
_headers[Headers02.EXTENSIONS_PREFIX + ext] = exts[ext];
|
|
}
|
|
}
|
|
|
|
// Return the Promise
|
|
return axios.request(_config);
|
|
};
|
|
|
|
module.exports = {
|
|
HTTPBinary02,
|
|
Headers02
|
|
};
|