Add processing client certificates

package-lock.json

@@ -22,6 +22,7 @@
         "nodemailer": "^6.7.2",
         "pg": "^8.5.1",
         "pg-hstore": "^2.3.3",
+        "pkijs": "^3.0.16",
         "rate-limiter-flexible": "^2.1.15",
         "sequelize": "^6.25.5",
         "socket.io": "^4.0.1",
@@ -2540,6 +2541,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/asn1js": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-3.0.5.tgz",
+      "integrity": "sha512-FVnvrKJwpt9LP2lAMl8qZswRNm3T4q9CON+bxldk2iwk3FFpuwhx2FfinyitizWHsVYyaY+y5JzDR0rCMV5yTQ==",
+      "dependencies": {
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/asn1js/node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
     "node_modules/async": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
@@ -2764,6 +2783,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/bytestreamjs": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/bytestreamjs/-/bytestreamjs-2.0.1.tgz",
+      "integrity": "sha512-U1Z/ob71V/bXfVABvNr/Kumf5VyeQRBEm6Txb0PQ6S7V5GpBM3w4Cbqz/xPDicR5tN0uvDifng8C+5qECeGwyQ==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/cacache": {
       "version": "15.3.0",
       "resolved": "https://registry.npmjs.org/cacache/-/cacache-15.3.0.tgz",
@@ -5915,6 +5942,26 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pkijs": {
+      "version": "3.0.16",
+      "resolved": "https://registry.npmjs.org/pkijs/-/pkijs-3.0.16.tgz",
+      "integrity": "sha512-iDUm90wfgtfd1PDV1oEnQj/4jBIU9hCSJeV0kQKThwDpbseFxC4TdpoMYlwE9maol5u0wMGZX9cNG2h1/0Lhww==",
+      "dependencies": {
+        "asn1js": "^3.0.5",
+        "bytestreamjs": "^2.0.0",
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/pkijs/node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
     "node_modules/please-upgrade-node": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.2.0.tgz",
@@ -6016,6 +6063,27 @@
         "node": ">=6"
       }
     },
+    "node_modules/pvtsutils": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
+      "integrity": "sha512-ARvb14YB9Nm2Xi6nBq1ZX6dAM0FsJnuk+31aUp4TrcZEdKUlSqOqsxJHUPJDNE3qiIp+iUPEIeR6Je/tgV7zsA==",
+      "dependencies": {
+        "tslib": "^2.6.1"
+      }
+    },
+    "node_modules/pvtsutils/node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
+    "node_modules/pvutils": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/pvutils/-/pvutils-1.1.3.tgz",
+      "integrity": "sha512-pMpnA0qRdFp32b1sJl1wOJNxZLQ2cbQx+k6tjNtZ8CpvVhNqEPRgivZ2WOUev2YMajecdH7ctUPDvEe87nariQ==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/qs": {
       "version": "6.11.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
@@ -9712,6 +9780,23 @@
       "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
       "dev": true
     },
+    "asn1js": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-3.0.5.tgz",
+      "integrity": "sha512-FVnvrKJwpt9LP2lAMl8qZswRNm3T4q9CON+bxldk2iwk3FFpuwhx2FfinyitizWHsVYyaY+y5JzDR0rCMV5yTQ==",
+      "requires": {
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.6.2",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+          "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+        }
+      }
+    },
     "async": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
@@ -9868,6 +9953,11 @@
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
       "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="
     },
+    "bytestreamjs": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/bytestreamjs/-/bytestreamjs-2.0.1.tgz",
+      "integrity": "sha512-U1Z/ob71V/bXfVABvNr/Kumf5VyeQRBEm6Txb0PQ6S7V5GpBM3w4Cbqz/xPDicR5tN0uvDifng8C+5qECeGwyQ=="
+    },
     "cacache": {
       "version": "15.3.0",
       "resolved": "https://registry.npmjs.org/cacache/-/cacache-15.3.0.tgz",
@@ -12148,6 +12238,25 @@
       "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
       "dev": true
     },
+    "pkijs": {
+      "version": "3.0.16",
+      "resolved": "https://registry.npmjs.org/pkijs/-/pkijs-3.0.16.tgz",
+      "integrity": "sha512-iDUm90wfgtfd1PDV1oEnQj/4jBIU9hCSJeV0kQKThwDpbseFxC4TdpoMYlwE9maol5u0wMGZX9cNG2h1/0Lhww==",
+      "requires": {
+        "asn1js": "^3.0.5",
+        "bytestreamjs": "^2.0.0",
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.6.2",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+          "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+        }
+      }
+    },
     "please-upgrade-node": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.2.0.tgz",
@@ -12225,6 +12334,26 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
       "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
+    "pvtsutils": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
+      "integrity": "sha512-ARvb14YB9Nm2Xi6nBq1ZX6dAM0FsJnuk+31aUp4TrcZEdKUlSqOqsxJHUPJDNE3qiIp+iUPEIeR6Je/tgV7zsA==",
+      "requires": {
+        "tslib": "^2.6.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.6.2",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+          "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+        }
+      }
+    },
+    "pvutils": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/pvutils/-/pvutils-1.1.3.tgz",
+      "integrity": "sha512-pMpnA0qRdFp32b1sJl1wOJNxZLQ2cbQx+k6tjNtZ8CpvVhNqEPRgivZ2WOUev2YMajecdH7ctUPDvEe87nariQ=="
+    },
     "qs": {
       "version": "6.11.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",

package.json

@@ -60,10 +60,10 @@
     "nodemailer": "^6.7.2",
     "pg": "^8.5.1",
     "pg-hstore": "^2.3.3",
+    "pkijs": "^3.0.16",
     "rate-limiter-flexible": "^2.1.15",
     "sequelize": "^6.25.5",
     "socket.io": "^4.0.1",
-    "sqlite3": "^4.0.0",
     "umzug": "^2.3.0"
   },
   "optionalDependencies": {

src/api/auth.ts

@@ -26,13 +26,15 @@ import {
   isSendMailLoginCodeRequest,
   isSignInByMailCodeRequest
 } from './validator'
+import { analyze } from './integrity'
 
 export const createAuthRouter = (database: Database) => {
   const router = Router()
 
   router.post('/send-mail-login-code-v2', json(), async (req, res, next) => {
     const info = {
-      ua: req.headers['user-agent']
+      ua: req.headers['user-agent'],
+      cert: analyze(req),
     }
 
     try {

src/api/integrity.ts

@@ -0,0 +1,104 @@
+import { X509Certificate } from 'crypto'
+import { Request } from 'express'
+import { fromBER, Sequence, Integer, OctetString, Set } from 'asn1js'
+import { Certificate } from 'pkijs'
+
+export interface CertInfo {
+  raw: string
+  applicationCerts: Array<string>
+}
+
+export function analyze(req: Request): CertInfo | null {
+  try {
+    const certStr = req.headers['clientcertificate']
+
+    if (typeof certStr !== 'string') return null
+
+    const nativeCert = new X509Certificate(decodeURIComponent(certStr))
+
+    const now = Date.now()
+    const from = Date.parse(nativeCert.validFrom)
+    const to = Date.parse(nativeCert.validTo)
+
+    if (from > now || to < now) return null
+    if (from > to || from + 1000 * 60 * 5 < to) return null
+
+    const cert1 = fromBER(nativeCert.raw)
+
+    if (cert1.offset === -1) return null
+
+    const cert2 = new Certificate({ schema: cert1.result })
+    const androidExtension = (cert2.extensions || []).find((item) => item.extnID === '1.3.6.1.4.1.11129.2.1.17')?.extnValue?.valueBlock?.valueHexView
+
+    if (!androidExtension) return null
+
+    const androidExtensionParsed = fromBER(androidExtension)
+
+    if (androidExtensionParsed.offset === -1) return null
+
+    const androidExtensionSequence = androidExtensionParsed.result
+
+    if (!(androidExtensionSequence instanceof Sequence)) return null
+
+    const versionInteger = androidExtensionSequence.valueBlock.value[0]
+
+    if (!(versionInteger instanceof Integer)) return null
+
+    const versionValue = versionInteger.valueBlock.valueDec
+
+    const authorizationLists = androidExtensionSequence.valueBlock.value.slice(6, 8)
+
+    let applicationId = null
+
+    for (const authList of authorizationLists) {
+      if (!(authList instanceof Sequence)) continue
+
+      for (const authListItem of authList.valueBlock.value) {
+        if (
+          // version 1 does not provide this data structure
+          versionValue !== 1 &&
+          authListItem.idBlock.tagNumber === 709
+        ) {
+          if (!('value' in authListItem.valueBlock)) continue
+
+          const value = (authListItem.valueBlock as unknown as { value: object }).value
+
+          if (!Array.isArray(value) || value.length !== 1) continue
+
+          if (value[0] instanceof OctetString) applicationId = value[0]
+        }
+      }
+    }
+
+    if (!applicationId) return null
+
+    const parsedApplicationId = fromBER(applicationId.valueBlock.valueHexView)
+
+    if (parsedApplicationId.offset === -1) return null
+
+    if (!(parsedApplicationId.result instanceof Sequence)) return null
+
+    const parsedApplicationIdInfo = parsedApplicationId.result.valueBlock.value
+
+    if (parsedApplicationIdInfo.length !== 2) return null
+
+    const signatureDigests = parsedApplicationIdInfo[1]
+
+    if (!(signatureDigests instanceof Set)) return null
+
+    const applicationCerts = []
+
+    for (const cert of signatureDigests.valueBlock.value) {
+      if (cert instanceof OctetString) {
+        applicationCerts.push(Buffer.from(cert.valueBlock.valueHexView).toString('hex'))
+      }
+    }
+
+    return {
+      raw: nativeCert.raw.toString('base64'),
+      applicationCerts
+    }
+  } catch (ex) {
+    return null
+  }
+}