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chore: use forge partially to generate certificates (#6325)
> watching The Matrix while hacking these certificates Alternative to #6173 Since sharing same certificate for all users is not the best approach I suggest to try decompose node-forge which is used internally by selfsigned package. We can just use part of the package which already gives a good result. Eventually we will deprecate this feature but would be good to have less impact on current major too. ``` du -sk dist/node ``` before: 10760 after: 9944
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // simplified fork of | ||
| // https://github.com/jfromaniello/selfsigned/blob/da38146f8d02183c35f49f91659a744a243e8707/index.js | ||
| // with inlined options and partial node-forge usage | ||
| // to achieve smaller bundle | ||
| // | ||
| // this utility create untrusted certificate which still | ||
| // allows to access page after proceeding a wall with warning | ||
| // | ||
| // should be deprecated eventually and replaced with recipes | ||
| // about generating secure trusted certificates | ||
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| // @ts-ignore | ||
| import forge from 'node-forge/lib/forge' | ||
| // @ts-ignore | ||
| import 'node-forge/lib/pki' | ||
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| // a hexString is considered negative if it's most significant bit is 1 | ||
| // because serial numbers use ones' complement notation | ||
| // this RFC in section 4.1.2.2 requires serial numbers to be positive | ||
| // http://www.ietf.org/rfc/rfc5280.txt | ||
| function toPositiveHex(hexString: string) { | ||
| let mostSiginficativeHexAsInt = parseInt(hexString[0], 16) | ||
| if (mostSiginficativeHexAsInt < 8) { | ||
| return hexString | ||
| } | ||
|
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| mostSiginficativeHexAsInt -= 8 | ||
| return mostSiginficativeHexAsInt.toString() + hexString.substring(1) | ||
| } | ||
|
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| export function createCertificate(): string { | ||
| const days = 30 | ||
| const keySize = 2048 | ||
|
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| const extensions = [ | ||
| // { | ||
| // name: 'basicConstraints', | ||
| // cA: true, | ||
| // }, | ||
| { | ||
| name: 'keyUsage', | ||
| keyCertSign: true, | ||
| digitalSignature: true, | ||
| nonRepudiation: true, | ||
| keyEncipherment: true, | ||
| dataEncipherment: true | ||
| }, | ||
| { | ||
| name: 'extKeyUsage', | ||
| serverAuth: true, | ||
| clientAuth: true, | ||
| codeSigning: true, | ||
| timeStamping: true | ||
| }, | ||
| { | ||
| name: 'subjectAltName', | ||
| altNames: [ | ||
| { | ||
| // type 2 is DNS | ||
| type: 2, | ||
| value: 'localhost' | ||
| }, | ||
| { | ||
| type: 2, | ||
| value: 'localhost.localdomain' | ||
| }, | ||
| { | ||
| type: 2, | ||
| value: 'lvh.me' | ||
| }, | ||
| { | ||
| type: 2, | ||
| value: '*.lvh.me' | ||
| }, | ||
| { | ||
| type: 2, | ||
| value: '[::1]' | ||
| }, | ||
| { | ||
| // type 7 is IP | ||
| type: 7, | ||
| ip: '127.0.0.1' | ||
| }, | ||
| { | ||
| type: 7, | ||
| ip: 'fe80::1' | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
|
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| const attrs = [ | ||
| { | ||
| name: 'commonName', | ||
| value: 'example.org' | ||
| }, | ||
| { | ||
| name: 'countryName', | ||
| value: 'US' | ||
| }, | ||
| { | ||
| shortName: 'ST', | ||
| value: 'Virginia' | ||
| }, | ||
| { | ||
| name: 'localityName', | ||
| value: 'Blacksburg' | ||
| }, | ||
| { | ||
| name: 'organizationName', | ||
| value: 'Test' | ||
| }, | ||
| { | ||
| shortName: 'OU', | ||
| value: 'Test' | ||
| } | ||
| ] | ||
|
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| const keyPair = forge.pki.rsa.generateKeyPair(keySize) | ||
|
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| const cert = forge.pki.createCertificate() | ||
|
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| cert.serialNumber = toPositiveHex( | ||
| forge.util.bytesToHex(forge.random.getBytesSync(9)) | ||
| ) // the serial number can be decimal or hex (if preceded by 0x) | ||
|
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| cert.validity.notBefore = new Date() | ||
| cert.validity.notAfter = new Date() | ||
| cert.validity.notAfter.setDate(cert.validity.notBefore.getDate() + days) | ||
|
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| cert.setSubject(attrs) | ||
| cert.setIssuer(attrs) | ||
|
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| cert.publicKey = keyPair.publicKey | ||
|
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| cert.setExtensions(extensions) | ||
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| const algorithm = forge.md.sha256.create() | ||
| cert.sign(keyPair.privateKey, algorithm) | ||
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| const privateKeyPem = forge.pki.privateKeyToPem(keyPair.privateKey) | ||
| const certPem = forge.pki.certificateToPem(cert) | ||
|
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||
| return privateKeyPem + certPem | ||
| } |
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