33 lines
663 B
Go
33 lines
663 B
Go
package oidc
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import (
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"crypto/sha256"
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"github.com/caos/oidc/pkg/utils"
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)
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const (
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CodeChallengeMethodPlain CodeChallengeMethod = "plain"
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CodeChallengeMethodS256 CodeChallengeMethod = "S256"
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)
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type CodeChallengeMethod string
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type CodeChallenge struct {
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Challenge string
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Method CodeChallengeMethod
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}
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func NewSHACodeChallenge(code string) string {
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return utils.HashString(sha256.New(), code, false)
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}
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func VerifyCodeChallenge(c *CodeChallenge, codeVerifier string) bool {
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if c == nil {
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return false //TODO: ?
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}
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if c.Method == CodeChallengeMethodS256 {
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codeVerifier = NewSHACodeChallenge(codeVerifier)
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}
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return codeVerifier == c.Challenge
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}
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