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24 lines
931 B
24 lines
931 B
package jwt
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var signingMethods = map[string]func() SigningMethod{}
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// Implement SigningMethod to add new methods for signing or verifying tokens.
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type SigningMethod interface {
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Verify(signingString, signature string, key interface{}) error // Returns nil if signature is valid
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Sign(signingString string, key interface{}) (string, error) // Returns encoded signature or error
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Alg() string // returns the alg identifier for this method (example: 'HS256')
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}
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// Register the "alg" name and a factory function for signing method.
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// This is typically done during init() in the method's implementation
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func RegisterSigningMethod(alg string, f func() SigningMethod) {
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signingMethods[alg] = f
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}
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// Get a signing method from an "alg" string
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func GetSigningMethod(alg string) (method SigningMethod) {
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if methodF, ok := signingMethods[alg]; ok {
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method = methodF()
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}
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return
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}
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