42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
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package cachevalkey
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import (
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"context"
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"time"
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)
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// blacklistShape mirrors auth-jwt.Blacklist for compile-time duck-type verification.
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// Cache-valkey must not import auth-jwt (D-1), so the shape is defined locally.
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type blacklistShape interface {
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IsRevoked(ctx context.Context, jti string) (bool, error)
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Revoke(ctx context.Context, jti string, ttl time.Duration) error
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}
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var _ blacklistShape = (*Blacklist)(nil)
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// Blacklist is a Valkey-backed JWT refresh token revocation list.
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// Satisfies auth-jwt.Blacklist via duck typing — no import of that package required.
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//
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// JTIs are stored as keys with their remaining TTL; the entry expires naturally
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// when the token would have expired. Keys are stored as-is (JTIs are UUIDs and
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// do not collide with permission cache keys).
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type Blacklist struct {
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provider Provider
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}
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// NewBlacklist returns a Blacklist backed by p.
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func NewBlacklist(p Provider) *Blacklist {
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return &Blacklist{provider: p}
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}
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// IsRevoked reports whether the refresh token identified by jti has been revoked.
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func (b *Blacklist) IsRevoked(ctx context.Context, jti string) (bool, error) {
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return b.provider.Exists(ctx, jti)
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}
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// Revoke marks jti as revoked for the given TTL.
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// TTL should match the token's remaining lifetime so the entry expires naturally.
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func (b *Blacklist) Revoke(ctx context.Context, jti string, ttl time.Duration) error {
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return b.provider.Set(ctx, jti, "1", ttl)
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}
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