@dynatrace/opentelemetry-core
Version:
Dynatrace OpenTelemetry core package
46 lines (43 loc) • 1.72 kB
JavaScript
;
/*
Copyright 2022 Dynatrace LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.sanitizeTenantUuid = sanitizeTenantUuid;
exports.calculateTenantId = calculateTenantId;
const crypto_1 = require("crypto");
// ============================================================================
function sanitizeTenantUuid(tenantUuid) {
const buf = Buffer.from(tenantUuid, "binary");
for (let i = 0; i < buf.length; i++) {
// eslint-disable-next-line no-bitwise
if ((buf[i] & 0x80) !== 0) {
buf[i] = 0x3f;
}
}
return buf.toString("binary");
}
// ----------------------------------------------------------------------------
function calculateTenantId(tenantUuid) {
if (tenantUuid.length === 0) {
throw new Error("tenantUuid is empty");
}
const md5Digest = (0, crypto_1.createHash)("md5").update(tenantUuid).digest();
let hash = 0;
for (let i = 0; i < 16; i++) {
const shift = (3 - (i % 4)) * 8;
// eslint-disable-next-line no-bitwise
hash ^= md5Digest[i] << shift;
}
return hash;
}
//# sourceMappingURL=TenantId.js.map