51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
package bearer
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import (
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"github.com/aws/aws-sdk-go/aws"
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"time"
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)
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// Token provides a type wrapping a bearer token and expiration metadata.
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type Token struct {
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Value string
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CanExpire bool
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Expires time.Time
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}
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// Expired returns if the token's Expires time is before or equal to the time
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// provided. If CanExpire is false, Expired will always return false.
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func (t Token) Expired(now time.Time) bool {
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if !t.CanExpire {
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return false
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}
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now = now.Round(0)
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return now.Equal(t.Expires) || now.After(t.Expires)
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}
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// TokenProvider provides interface for retrieving bearer tokens.
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type TokenProvider interface {
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RetrieveBearerToken(aws.Context) (Token, error)
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}
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// TokenProviderFunc provides a helper utility to wrap a function as a type
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// that implements the TokenProvider interface.
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type TokenProviderFunc func(aws.Context) (Token, error)
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// RetrieveBearerToken calls the wrapped function, returning the Token or
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// error.
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func (fn TokenProviderFunc) RetrieveBearerToken(ctx aws.Context) (Token, error) {
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return fn(ctx)
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}
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// StaticTokenProvider provides a utility for wrapping a static bearer token
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// value within an implementation of a token provider.
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type StaticTokenProvider struct {
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Token Token
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}
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// RetrieveBearerToken returns the static token specified.
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func (s StaticTokenProvider) RetrieveBearerToken(aws.Context) (Token, error) {
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return s.Token, nil
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}
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