mirror of
https://github.com/dolthub/dolt.git
synced 2026-02-27 10:09:13 -06:00
135 lines
3.1 KiB
Go
135 lines
3.1 KiB
Go
// Copyright 2022 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"crypto"
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"crypto/rand"
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"crypto/rsa"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"time"
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"github.com/google/uuid"
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"gopkg.in/square/go-jose.v2"
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"gopkg.in/square/go-jose.v2/jwt"
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)
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var sub = "test_user"
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var iss = "dolthub.com"
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var aud = "my_resource"
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var onBehalfOf = "my_user"
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// Generates a JWKS and a JWT for authenticating against it. Outputs it into
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// files `|dir|/token.jwt` and `|dir|/test_jwks.json`.
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//
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// These files are used by sql-server-jwt-auth.yaml, for example.
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func GenerateTestJWTs(dir string) error {
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privKey, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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return fmt.Errorf("could not generate rsa key: %w", err)
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}
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pubKey := privKey.Public()
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kid, err := uuid.NewRandom()
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if err != nil {
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return fmt.Errorf("could not generate random uuid: %w", err)
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}
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err = writeJWKSToFile(dir, pubKey, kid.String())
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if err != nil {
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return fmt.Errorf("could not write jwks to file: %w", err)
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}
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jwt, err := generateJWT(privKey, kid.String())
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if err != nil {
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return fmt.Errorf("could not generate jwt: %w", err)
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}
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err = os.WriteFile(filepath.Join(dir, "token.jwt"), []byte(jwt), 0644)
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if err != nil {
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return fmt.Errorf("could not write jwt to file: %w", err)
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}
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return nil
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}
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func writeJWKSToFile(dir string, pubKey crypto.PublicKey, kid string) error {
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jwk := jose.JSONWebKey{
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KeyID: kid,
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Key: pubKey,
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Use: "sig",
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Algorithm: "RS256",
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}
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jwks := jose.JSONWebKeySet{Keys: []jose.JSONWebKey{jwk}}
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jwksjson, err := json.Marshal(jwks)
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if err != nil {
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return err
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}
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err = os.WriteFile(filepath.Join(dir, "test_jwks.json"), jwksjson, 0644)
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if err != nil {
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return err
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}
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return nil
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}
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func generateJWT(privKey *rsa.PrivateKey, kid string) (string, error) {
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id, err := uuid.NewRandom()
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if err != nil {
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return "", err
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}
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now := time.Now()
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claims := jwt.Claims{
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ID: id.String(),
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Audience: []string{aud},
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Issuer: iss,
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Subject: sub,
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IssuedAt: jwt.NewNumericDate(now),
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Expiry: jwt.NewNumericDate(now.Add(364 * 24 * time.Hour)),
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}
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privClaims := struct {
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OnBehalfOf string `json:"on_behalf_of"`
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}{
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onBehalfOf,
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}
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sig := jose.SigningKey{Algorithm: jose.RS256, Key: privKey}
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opts := (&jose.SignerOptions{ExtraHeaders: map[jose.HeaderKey]interface{}{
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"kid": kid,
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}}).WithType("JWT")
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signer, err := jose.NewSigner(sig, opts)
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if err != nil {
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return "", err
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}
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jwtBuilder := jwt.Signed(signer)
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jwtBuilder = jwtBuilder.Claims(claims)
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jwtBuilder = jwtBuilder.Claims(privClaims)
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com, err := jwtBuilder.CompactSerialize()
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if err != nil {
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return "", err
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}
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return com, nil
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}
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