Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

ucan

package module

Go to main page

Versions in this module

v1

v1.0.0-preview

Dec 11, 2024

v0

v0.7.0

Aug 1, 2024

Changes in this version

+ const AttKey

+ const CapKey

+ const FctKey

+ const PrfKey

+ const UCANVersion

+ const UCANVersionKey

+ var ErrInvalidToken = errors.New("invalid access token")

+ var ErrTokenNotFound = errors.New("access token not found")

+ func CtxWithToken(ctx context.Context, t Token) context.Context

+ func DIDStringFromPublicKey(pub crypto.PubKey) (string, error)

+ type Attenuation struct

+ Cap Capability

+ Rsc Resource

+ func (a Attenuation) Contains(b Attenuation) bool

+ func (a Attenuation) MarshalJSON() ([]byte, error)

+ func (a Attenuation) String() string

+ type AttenuationConstructorFunc func(v map[string]interface{}) (Attenuation, error)

+ type Attenuations []Attenuation

+ func (att Attenuations) Contains(b Attenuations) bool

+ func (att Attenuations) String() string

+ type CIDBytesResolver interface

+ ResolveCIDBytes func(ctx context.Context, id cid.Cid) ([]byte, error)

+ type Capability interface

+ Contains func(b Capability) bool

+ String func() string

+ type Claims struct

+ Attenuations Attenuations

+ Facts []Fact

+ Proofs []Proof

+ type CtxKey string

+ const TokenCtxKey

+ type DIDPubKeyResolver interface

+ ResolveDIDKey func(ctx context.Context, did string) (didkey.ID, error)

+ type Fact struct

+ type NestedCapabilities struct

+ func NewNestedCapabilities(strs ...string) NestedCapabilities

+ func (nc NestedCapabilities) Cap(str string) Capability

+ func (nc NestedCapabilities) Contains(cap Capability) bool

+ func (nc NestedCapabilities) String() string

+ type Proof string

+ func (prf Proof) IsCID() bool

+ type RawToken struct

+ Key string

+ Raw string

+ type RawTokens []RawToken

+ func (rts RawTokens) Len() int

+ func (rts RawTokens) Less(a, b int) bool

+ func (rts RawTokens) Swap(i, j int)

+ type Resource interface

+ Contains func(b Resource) bool

+ Type func() string

+ Value func() string

+ func NewStringLengthResource(typ, val string) Resource

+ type Source interface

+ NewAttenuatedToken func(parent *Token, audienceDID string, att Attenuations, fct []Fact, ...) (*Token, error)

+ NewOriginToken func(audienceDID string, att Attenuations, fct []Fact, notBefore, expires time.Time) (*Token, error)

+ func NewPrivKeySource(privKey crypto.PrivKey) (Source, error)

+ type StringDIDPubKeyResolver struct

+ func (StringDIDPubKeyResolver) ResolveDIDKey(ctx context.Context, didStr string) (didkey.ID, error)

+ type Token struct

+ Attenuations Attenuations

+ Audience didkey.ID

+ Facts []Fact

+ Issuer didkey.ID

+ Proofs []Proof

+ Raw string

+ func FromCtx(ctx context.Context) *Token

+ func (t *Token) CID() (cid.Cid, error)

+ func (t *Token) PrefixCID(pref cid.Prefix) (cid.Cid, error)

+ type TokenParser struct

+ func NewTokenParser(ap AttenuationConstructorFunc, didr DIDPubKeyResolver, cidr CIDBytesResolver) *TokenParser

+ func (p *TokenParser) ParseAndVerify(ctx context.Context, raw string) (*Token, error)

+ type TokenStore interface

+ DeleteToken func(ctx context.Context, key string) (err error)

+ ListTokens func(ctx context.Context, offset, limit int) (results []RawToken, err error)

+ PutToken func(ctx context.Context, key, rawToken string) error

+ RawToken func(ctx context.Context, key string) (rawToken string, err error)

+ func NewMemTokenStore() TokenStore