63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package thirdparty
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import (
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"context"
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"time"
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"forge.cadoles.com/cadoles/bouncer/internal/jwk"
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"github.com/lestrrat-go/jwx/v2/jwa"
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"github.com/lestrrat-go/jwx/v2/jws"
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"github.com/lestrrat-go/jwx/v2/jwt"
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"github.com/pkg/errors"
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)
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const keyRole = "role"
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func parseToken(ctx context.Context, keys jwk.Set, issuer string, rawToken string, acceptableSkew time.Duration) (jwt.Token, error) {
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token, err := jwt.Parse(
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[]byte(rawToken),
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jwt.WithKeySet(keys, jws.WithRequireKid(false)),
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jwt.WithIssuer(issuer),
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jwt.WithValidate(true),
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jwt.WithAcceptableSkew(acceptableSkew),
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)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return token, nil
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}
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func GenerateToken(ctx context.Context, key jwk.Key, issuer, subject string, role Role) (string, error) {
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token := jwt.New()
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if err := token.Set(jwt.SubjectKey, subject); err != nil {
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return "", errors.WithStack(err)
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}
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if err := token.Set(jwt.IssuerKey, issuer); err != nil {
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return "", errors.WithStack(err)
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}
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if err := token.Set(keyRole, role); err != nil {
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return "", errors.WithStack(err)
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}
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now := time.Now().UTC()
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if err := token.Set(jwt.NotBeforeKey, now); err != nil {
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return "", errors.WithStack(err)
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}
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if err := token.Set(jwt.IssuedAtKey, now); err != nil {
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return "", errors.WithStack(err)
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}
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rawToken, err := jwt.Sign(token, jwt.WithKey(jwa.RS256, key))
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if err != nil {
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return "", errors.WithStack(err)
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}
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return string(rawToken), nil
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}
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