@5minds/processcube_engine
Version:
The ProcessCube Engine. Stores and executes BPMNs.
104 lines • 4.14 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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var desc = Object.getOwnPropertyDescriptor(m, k);
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Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
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o[k2] = m[k];
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.apiMonitoringMiddleware = apiMonitoringMiddleware;
const diagnostics_channel = __importStar(require("diagnostics_channel"));
const MonitoringManager_1 = require("../../MonitoringManager");
const apiRequestsChannel = diagnostics_channel.channel(MonitoringManager_1.API_REQUESTS_CHANNEL_NAME);
function apiMonitoringMiddleware(req, res, next) {
if (!MonitoringManager_1.MonitoringManager.metricsEnabled()) {
return next();
}
const startTime = Date.now();
const originalSend = res.send.bind(res);
let responsePayloadSize = 0;
const uuidRegex = /[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}/g;
res.send = function (body) {
let responseBodySize = 0;
if (body === undefined || body === null) {
responseBodySize = 0;
}
else if (typeof body === 'string' || body instanceof Buffer) {
responseBodySize = Buffer.byteLength(body);
}
else if (typeof body === 'object') {
try {
const serializedBody = JSON.stringify(body);
responseBodySize = Buffer.byteLength(serializedBody);
}
catch (err) {
responseBodySize = 0;
}
}
else {
const bodyString = String(body);
responseBodySize = Buffer.byteLength(bodyString);
}
responsePayloadSize = responseBodySize;
return originalSend(body);
};
res.on('finish', () => {
const endTime = Date.now();
const duration = endTime - startTime;
let requestPayloadSize = 0;
try {
const requestBodyString = JSON.stringify(req.body) || '';
requestPayloadSize = Buffer.byteLength(requestBodyString);
}
catch (err) {
requestPayloadSize = 0;
}
const ipAddress = req.ip || req.connection.remoteAddress;
const userAgent = req.headers['user-agent'];
const productversion = req.headers['productversion'];
const normalizedPath = req.path.replace(uuidRegex, ':id');
if (apiRequestsChannel.hasSubscribers) {
apiRequestsChannel.publish({
requestDuration: duration,
requestPayloadSize: requestPayloadSize,
responsePayloadSize: responsePayloadSize,
path: normalizedPath,
timestamp: new Date(),
source: {
ip: ipAddress,
userAgent: userAgent,
productversion: productversion,
},
});
}
});
next();
}
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