feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/@simplewebauthn/server/script/helpers/getCertificateInfo.js

@@ -0,0 +1,80 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getCertificateInfo = getCertificateInfo;
+const asn1_schema_1 = require("@peculiar/asn1-schema");
+const asn1_x509_1 = require("@peculiar/asn1-x509");
+const issuerSubjectIDKey = {
+    '2.5.4.6': 'C',
+    '2.5.4.10': 'O',
+    '2.5.4.11': 'OU',
+    '2.5.4.3': 'CN',
+};
+/**
+ * Extract PEM certificate info
+ *
+ * @param pemCertificate Result from call to `convertASN1toPEM(x5c[0])`
+ */
+function getCertificateInfo(leafCertBuffer) {
+    const x509 = asn1_schema_1.AsnParser.parse(leafCertBuffer, asn1_x509_1.Certificate);
+    const parsedCert = x509.tbsCertificate;
+    // Issuer
+    const issuer = { combined: '' };
+    parsedCert.issuer.forEach(([iss]) => {
+        const key = issuerSubjectIDKey[iss.type];
+        if (key) {
+            issuer[key] = iss.value.toString();
+        }
+    });
+    issuer.combined = issuerSubjectToString(issuer);
+    // Subject
+    const subject = { combined: '' };
+    parsedCert.subject.forEach(([iss]) => {
+        const key = issuerSubjectIDKey[iss.type];
+        if (key) {
+            subject[key] = iss.value.toString();
+        }
+    });
+    subject.combined = issuerSubjectToString(subject);
+    let basicConstraintsCA = false;
+    if (parsedCert.extensions) {
+        // console.log(parsedCert.extensions);
+        for (const ext of parsedCert.extensions) {
+            if (ext.extnID === asn1_x509_1.id_ce_basicConstraints) {
+                const basicConstraints = asn1_schema_1.AsnParser.parse(ext.extnValue, asn1_x509_1.BasicConstraints);
+                basicConstraintsCA = basicConstraints.cA;
+            }
+        }
+    }
+    return {
+        issuer,
+        subject,
+        version: parsedCert.version,
+        basicConstraintsCA,
+        notBefore: parsedCert.validity.notBefore.getTime(),
+        notAfter: parsedCert.validity.notAfter.getTime(),
+        parsedCertificate: x509,
+    };
+}
+/**
+ * Stringify the parts of Issuer or Subject info for easier comparison of subject issuers with
+ * issuer subjects.
+ *
+ * The order might seem arbitrary, because it is. It should be enough that the two are stringified
+ * in the same order.
+ */
+function issuerSubjectToString(input) {
+    const parts = [];
+    if (input.C) {
+        parts.push(input.C);
+    }
+    if (input.O) {
+        parts.push(input.O);
+    }
+    if (input.OU) {
+        parts.push(input.OU);
+    }
+    if (input.CN) {
+        parts.push(input.CN);
+    }
+    return parts.join(' : ');
+}