49 lines
2.0 KiB
Go
49 lines
2.0 KiB
Go
package token
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import (
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"io"
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"time"
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"code.sonr.org/go/did-it/crypto"
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"github.com/ipfs/go-cid"
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"github.com/ipld/go-ipld-prime/codec"
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)
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type Token interface {
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Marshaller
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// IsValidNow verifies that the token can be used at the current time, based on expiration or "not before" fields.
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// This does NOT do any other kind of verifications.
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IsValidNow() bool
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// IsValidAt verifies that the token can be used at the given time, based on expiration or "not before" fields.
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// This does NOT do any other kind of verifications.
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IsValidAt(t time.Time) bool
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}
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type Marshaller interface {
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// ToSealed wraps the token in an envelope, generates the signature, encodes
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// the result to DAG-CBOR and calculates the CID of the resulting binary data.
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ToSealed(privKey crypto.PrivateKeySigningBytes) ([]byte, cid.Cid, error)
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// ToSealedWriter is the same as ToSealed but accepts an io.Writer.
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ToSealedWriter(w io.Writer, privKey crypto.PrivateKeySigningBytes) (cid.Cid, error)
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// Encode marshals a Token to the format specified by the provided codec.Encoder.
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Encode(privKey crypto.PrivateKeySigningBytes, encFn codec.Encoder) ([]byte, error)
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// EncodeWriter is the same as Encode, but accepts an io.Writer.
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EncodeWriter(w io.Writer, privKey crypto.PrivateKeySigningBytes, encFn codec.Encoder) error
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// ToDagCbor marshals the Token to the DAG-CBOR format.
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ToDagCbor(privKey crypto.PrivateKeySigningBytes) ([]byte, error)
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// ToDagCborWriter is the same as ToDagCbor, but it accepts an io.Writer.
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ToDagCborWriter(w io.Writer, privKey crypto.PrivateKeySigningBytes) error
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// ToDagJson marshals the Token to the DAG-JSON format.
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ToDagJson(privKey crypto.PrivateKeySigningBytes) ([]byte, error)
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// ToDagJsonWriter is the same as ToDagJson, but it accepts an io.Writer.
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ToDagJsonWriter(w io.Writer, privKey crypto.PrivateKeySigningBytes) error
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}
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// Bundle carries together a decoded token with its Cid and raw signed data.
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type Bundle struct {
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Cid cid.Cid
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Decoded Token
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Sealed []byte
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}
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