v0.7.0: pem-to-jwk and ssh-to-jwk support complete 💯
This commit is contained in:
AJ ONeal
parent
5882ce82e7
commit
572edcf75b
5 changed files with 331 additions and 14 deletions
184
README.md
184
README.md
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@ -1,23 +1,191 @@
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Placeholder
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Rasha.js
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=========
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I've just completed these:
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Sponsored by [Root](https://therootcompany.com).
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Built for [ACME.js](https://git.coolaj86.com/coolaj86/acme.js)
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and [Greenlock.js](https://git.coolaj86.com/coolaj86/greenlock.js)
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* [ECDSA-CSR.js](https://git.coolaj86.com/coolaj86/ecdsa-csr.js)
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* [eckles.js](https://git.coolaj86.com/coolaj86/eckles.js) - JWK-to-PEM and PEM-to-JWK for EC / ECDSA P-256 and P-384
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RSA tools. Lightweight. Zero Dependencies. Universal compatibility.
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I've got working prototypes for the RSA variants as well and I'm in the middle of cleaning them up to publish.
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* [x] PEM-to-JWK
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* [ ] JWK-to-PEM (in progress)
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* [x] SSH "pub" format
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<!-- This project is fully functional and tested (and the code is pretty clean).
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It is considered to be complete, but if you find a bug please open an issue. -->
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## PEM-to-JWK
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* [x] PKCS#1 (traditional), PKCS#8, SPKI/PKIX
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* [x] 2048-bit, 4096-bit (and ostensibily all others)
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* [x] SSH (RFC4716), (RFC 4716/SSH2)
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```js
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var Rasha = require('rasha');
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var pem = require('fs')
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.readFileSync('./node_modles/rasha/fixtures/privkey-rsa-2048.pkcs1.pem', 'ascii');
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Rasha.import({ pem: pem }).then(function (jwk) {
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console.log(jwk);
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});
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```
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```js
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{
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"kty": "RSA",
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"n": "m2ttVBxPlWw06ZmGBWVDl...QlEz7UNNj9RGps_50-CNw",
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"e": "AQAB",
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"d": "Cpfo7Mm9Nu8YMC_xrZ54W...Our1IdDzJ_YfHPt9sHMQQ",
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"p": "ynG-t9HwKCN3MWRYFdnFz...E9S4DsGcAarIuOT2TsTCE",
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"q": "xIkAjgUzB1zaUzJtW2Zgv...38ahSrBFEVnxjpnPh1Q1c",
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"dp": "tzDGjECFOU0ehqtuqhcu...dVGAXJoGOdv5VpaZ7B1QE",
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"dq": "kh5dyDk7YCz7sUFbpsmu...aX9PKa12HFlny6K1daL48",
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"qi": "AlHWbx1gp6Z9pbw_1hlS...lhmIOgRApS0t9VoXtHhFU"
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}
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```
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<!--
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## JWK-to-PEM
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* [x] PKCS#1 (traditional), PKCS#8, SPKI/PKIX
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* [x] 2048-bit, 4096-bit (and ostensibily all others)
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* [x] SSH (RFC4716), (RFC 4716/SSH2)
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```js
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var Rasha = require('rasha');
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var jwk = require('rasha/fixtures/privkey-rsa-2038.jwk.json');
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Rasha.export({ jwk: jwk }).then(function (pem) {
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// PEM in PKCS1 (traditional) format
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console.log(pem);
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});
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```
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```
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-----BEGIN RSA PRIVATE KEY-----
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MIIEpAIBAAKCAQEAm2ttVBxPlWw06ZmGBWVDlfjkPAJ4DgnY0TrDwtCohHzLxGhD
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NzUJefLukC+xu0LBKylYojT5vTkxaOhxeSYo31syu4WhxbkTBLICOFcCGMob6pSQ
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38P8LdAIlb0pqDHxEJ9adWomjuFf0...e5cCBahfsiNtNR6WV1/iCSuINYs6uPdA
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Jlw7hm9m8TAmFWWyfL0s7wiRvAYkQvpxetorTwHJVLabBDJ+WBOAY2enOLHIRQv+
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atAvHrLXjkUdzF96o0icyF6n7QzGfUPmeWGYg6BEClLS31Whe0eEVQ==
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-----END RSA PRIVATE KEY-----
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```
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-->
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### Advanced Options
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<!--
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`format: 'pkcs8'`:
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The default output format `pkcs1` (RSA-specific format) is used for private keys.
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Use `format: 'pkcs8'` to output in PKCS#8 format instead.
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```js
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Rasha.export({ jwk: jwk, format: 'pkcs8' }).then(function (pem) {
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// PEM in PKCS#8 format
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console.log(pem);
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});
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```
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```
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-----BEGIN PRIVATE KEY-----
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MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCba21UHE+VbDTp
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mYYFZUOV+OQ8AngOCdjROsPC0KiEfMvEaEM3NQl58u6QL7G7QsErKViiNPm9OTFo
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6HF5JijfWzK7haHFuRMEsgI4VwIYy...fLorV1ovjwKBgAJR1m8dYKemfaW8P9YZ
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Uux7lwIFqF+yI201HpZXX+IJK4g1izq490AmXDuGb2bxMCYVZbJ8vSzvCJG8BiRC
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+nF62itPAclUtpsEMn5YE4BjZ6c4schFC/5q0C8esteORR3MX3qjSJzIXqftDMZ9
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Q+Z5YZiDoEQKUtLfVaF7R4RV
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-----END PRIVATE KEY-----
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```
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`format: 'ssh'`:
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Although SSH uses PKCS#1 for private keys, it uses ts own special non-ASN1 format
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(affectionately known as rfc4716) for public keys. I got curious and then decided
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to add this format as well.
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To get the same format as you
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would get with `ssh-keygen`, pass `ssh` as the format option:
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```js
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Rasha.export({ jwk: jwk, format: 'ssh' }).then(function (pub) {
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// Special SSH2 Public Key format (RFC 4716)
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console.log(pub);
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});
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```
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```
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ssh-rsa TODO-TODO-TODO RSA-2048@localhost
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```
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-->
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`public: 'true'`:
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If a private key is used as input, a private key will be output.
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If you'd like to output a public key instead you can pass `public: true`.
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<!--
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or `format: 'spki'`.
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```js
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Rasha.export({ jwk: jwk, public: true }).then(function (pem) {
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// PEM in SPKI/PKIX format
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console.log(pem);
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});
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```
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```
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-----BEGIN RSA PUBLIC KEY-----
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MIIBCgKCAQEAm2ttVBxPlWw06ZmGBWVDlfjkPAJ4DgnY0TrDwtCohHzLxGhDNzUJ
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efLukC+xu0LBKylYojT5vTkxaOhxe...eTmzCh2ikrwTMja7mUdBJf2bK3By5AB0
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Qi49OykUCfNZeQlEz7UNNj9RGps/50+CNwIDAQAB
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-----END RSA PUBLIC KEY-----
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```
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-->
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Testing
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-------
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```
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<!-- All cases are tested in `test.sh`. -->
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You can compare these keys to the ones that you get from OpenSSL, ssh-keygen, and WebCrypto:
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```bash
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# Generate 2048-bit RSA Keypair
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openssl genrsa -out privkey-rsa-2048.pkcs1.pem 2048
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# Convert PKCS1 (traditional) RSA Keypair to PKCS8 format
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openssl rsa -in privkey-rsa-2048.pkcs1.pem -pubout -out pub-rsa-2048.spki.pem
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# Export Public-only RSA Key in PKCS1 (traditional) format
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openssl pkcs8 -topk8 -nocrypt -in privkey-rsa-2048.pkcs1.pem -out privkey-rsa-2048.pkcs8.pem
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# Convert PKCS1 (traditional) RSA Public Key to SPKI/PKIX format
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openssl rsa -in pub-rsa-2048.spki.pem -pubin -RSAPublicKey_out -out pub-rsa-2048.pkcs1.pem
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# Convert RSA public key to SSH format
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ssh-keygen -f ./pub-rsa-2048.spki.pem -i -mPKCS8 > ./pub-rsa-2048.ssh.pub
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```
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** unified openssl commands **
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Goals of this project
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-----
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https://gist.github.com/briansmith/2ee42439923d8e65a266994d0f70180b
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* Zero Dependencies
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* Focused support for 2048-bit and 4096-bit RSA keypairs (although any size is technically supported)
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* Convert both ways
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* Browser support as well (TODO)
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* OpenSSL, ssh-keygen, and WebCrypto compatibility
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Legal
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-----
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Licensed MPL-2.0
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[Terms of Use](https://therootcompany.com/legal/#terms) |
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[Privacy Policy](https://therootcompany.com/legal/#privacy)
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12
lib/rasha.js
12
lib/rasha.js
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@ -13,13 +13,14 @@ RSA.parse = function parseRsa(opts) {
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if (!opts || !opts.pem || 'string' !== typeof opts.pem) {
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throw new Error("must pass { pem: pem } as a string");
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}
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var jwk = { kty: 'RSA', n: null, e: null };
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if (0 === opts.pem.indexOf('ssh-rsa ')) {
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return SSH.parse(opts.pem);
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return SSH.parse(opts.pem, jwk);
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}
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var pem = opts.pem;
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var block = PEM.parseBlock(pem);
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//var hex = toHex(u8);
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var jwk = { kty: 'RSA', n: null, e: null };
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var asn1 = ASN1.parse(block.der);
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var meta = x509.guess(block.der, asn1);
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@ -30,6 +31,13 @@ RSA.parse = function parseRsa(opts) {
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jwk = RSA.parsePkcs8(block.der, asn1, jwk);
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}
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if (opts.public) {
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jwk = {
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kty: jwk.kty
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, n: jwk.n
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, e: jwk.e
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};
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}
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return jwk;
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});
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};
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30
lib/ssh.js
30
lib/ssh.js
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'use strict';
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var SSH = module.exports;
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var Enc = require('./encoding.js');
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// 7 s s h - r s a
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SSH.RSA = '00000007 73 73 68 2d 72 73 61'.replace(/\s+/g, '').toLowerCase();
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SSH.parse = function (pem) {
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SSH.parse = function (pem, jwk) {
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var parts = pem.split(/\s+/);
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var buf = Enc.base64ToBuf(parts[1]);
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var els = [];
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var index = 0;
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var len;
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var i = 0;
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var offset = (buf.byteOffset || 0);
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// using dataview to be browser-compatible (I do want _some_ code reuse)
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var dv = new DataView(buf.buffer.slice(offset, offset + buf.byteLength));
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if (SSH.RSA !== Enc.bufToHex(buf.slice(0, SSH.RSA.length/2))) {
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throw new Error("does not lead with ssh header");
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}
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while (index < buf.byteLength) {
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i += 1;
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if (i > 3) { throw new Error("15+ elements, probably not a public ssh key"); }
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len = dv.getUint32(index, false);
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index += 4;
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els.push(buf.slice(index, index + len));
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index += len;
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}
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jwk.n = Enc.bufToUrlBase64(els[2]);
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jwk.e = Enc.bufToUrlBase64(els[1]);
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return jwk;
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};
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111
lib/telemetry.js
Normal file
111
lib/telemetry.js
Normal file
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@ -0,0 +1,111 @@
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'use strict';
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// We believe in a proactive approach to sustainable open source.
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// As part of that we make it easy for you to opt-in to following our progress
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// and we also stay up-to-date on telemetry such as operating system and node
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// version so that we can focus our efforts where they'll have the greatest impact.
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//
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// Want to learn more about our Terms, Privacy Policy, and Mission?
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// Check out https://therootcompany.com/legal/
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var os = require('os');
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var crypto = require('crypto');
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var https = require('https');
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var pkg = require('../package.json');
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// to help focus our efforts in the right places
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var data = {
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package: pkg.name
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, version: pkg.version
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, node: process.version
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, arch: process.arch || os.arch()
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, platform: process.platform || os.platform()
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, release: os.release()
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};
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function addCommunityMember(opts) {
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setTimeout(function () {
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var req = https.request({
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hostname: 'api.therootcompany.com'
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, port: 443
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, path: '/api/therootcompany.com/public/community'
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, method: 'POST'
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, headers: { 'Content-Type': 'application/json' }
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}, function (resp) {
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// let the data flow, so we can ignore it
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resp.on('data', function () {});
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//resp.on('data', function (chunk) { console.log(chunk.toString()); });
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resp.on('error', function () { /*ignore*/ });
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//resp.on('error', function (err) { console.error(err); });
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});
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var obj = JSON.parse(JSON.stringify(data));
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obj.action = 'updates';
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try {
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obj.ppid = ppid(obj.action);
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} catch(e) {
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// ignore
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//console.error(e);
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}
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obj.name = opts.name || undefined;
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obj.address = opts.email;
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obj.community = 'node.js@therootcompany.com';
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req.write(JSON.stringify(obj, 2, null));
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req.end();
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req.on('error', function () { /*ignore*/ });
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//req.on('error', function (err) { console.error(err); });
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}, 50);
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}
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function ping(action) {
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setTimeout(function () {
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var req = https.request({
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hostname: 'api.therootcompany.com'
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, port: 443
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, path: '/api/therootcompany.com/public/ping'
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, method: 'POST'
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, headers: { 'Content-Type': 'application/json' }
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}, function (resp) {
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// let the data flow, so we can ignore it
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resp.on('data', function () { });
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//resp.on('data', function (chunk) { console.log(chunk.toString()); });
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resp.on('error', function () { /*ignore*/ });
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//resp.on('error', function (err) { console.error(err); });
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});
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var obj = JSON.parse(JSON.stringify(data));
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obj.action = action;
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try {
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obj.ppid = ppid(obj.action);
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} catch(e) {
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// ignore
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//console.error(e);
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}
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req.write(JSON.stringify(obj, 2, null));
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req.end();
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req.on('error', function (/*e*/) { /*console.error('req.error', e);*/ });
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}, 50);
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}
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// to help identify unique installs without getting
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// the personally identifiable info that we don't want
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function ppid(action) {
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var parts = [ action, data.package, data.version, data.node, data.arch, data.platform, data.release ];
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var ifaces = os.networkInterfaces();
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Object.keys(ifaces).forEach(function (ifname) {
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if (/^en/.test(ifname) || /^eth/.test(ifname) || /^wl/.test(ifname)) {
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if (ifaces[ifname] && ifaces[ifname].length) {
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parts.push(ifaces[ifname][0].mac);
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}
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}
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});
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return crypto.createHash('sha1').update(parts.join(',')).digest('base64');
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}
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module.exports.ping = ping;
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module.exports.joinCommunity = addCommunityMember;
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if (require.main === module) {
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ping('install');
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//addCommunityMember({ name: "AJ ONeal", email: 'coolaj86@gmail.com' });
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}
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@ -1,6 +1,6 @@
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{
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"name": "rasha",
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"version": "0.0.2",
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"version": "0.7.0",
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"description": "PEM-to-JWK and JWK-to-PEM for RSA keys in a lightweight, zero-dependency library focused on perfect universal compatibility.",
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"homepage": "https://git.coolaj86.com/coolaj86/rasha.js",
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"main": "index.js",
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@ -25,7 +25,6 @@
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},
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"xkeywords": [
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"zero-dependency",
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"JWK-to-PEM",
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"PEM-to-JWK",
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"RSA",
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"2048",
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@ -33,6 +32,9 @@
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"asn1",
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"x509"
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],
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"xkeywords": [
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"JWK-to-PEM"
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],
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"author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)",
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"license": "MPL-2.0"
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}
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