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94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
package jwt
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import (
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"encoding/json"
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"errors"
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// "fmt"
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)
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// Claims type that uses the map[string]interface{} for JSON decoding
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// This is the default claims type if you don't supply one
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type MapClaims map[string]interface{}
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// Compares the aud claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (m MapClaims) VerifyAudience(cmp string, req bool) bool {
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aud, _ := m["aud"].(string)
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return verifyAud(aud, cmp, req)
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}
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// Compares the exp claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (m MapClaims) VerifyExpiresAt(cmp int64, req bool) bool {
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switch exp := m["exp"].(type) {
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case float64:
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return verifyExp(int64(exp), cmp, req)
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case json.Number:
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v, _ := exp.Int64()
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return verifyExp(v, cmp, req)
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}
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return req == false
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}
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// Compares the iat claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (m MapClaims) VerifyIssuedAt(cmp int64, req bool) bool {
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switch iat := m["iat"].(type) {
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case float64:
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return verifyIat(int64(iat), cmp, req)
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case json.Number:
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v, _ := iat.Int64()
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return verifyIat(v, cmp, req)
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}
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return req == false
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}
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// Compares the iss claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (m MapClaims) VerifyIssuer(cmp string, req bool) bool {
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iss, _ := m["iss"].(string)
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return verifyIss(iss, cmp, req)
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}
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// Compares the nbf claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (m MapClaims) VerifyNotBefore(cmp int64, req bool) bool {
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switch nbf := m["nbf"].(type) {
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case float64:
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return verifyNbf(int64(nbf), cmp, req)
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case json.Number:
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v, _ := nbf.Int64()
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return verifyNbf(v, cmp, req)
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}
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return req == false
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}
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// Validates time based claims "exp, iat, nbf".
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// There is no accounting for clock skew.
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// As well, if any of the above claims are not in the token, it will still
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// be considered a valid claim.
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func (m MapClaims) Valid() error {
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vErr := new(ValidationError)
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now := TimeFunc().Unix()
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if m.VerifyExpiresAt(now, false) == false {
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vErr.Inner = errors.New("Token is expired")
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vErr.Errors |= ValidationErrorExpired
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}
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if m.VerifyIssuedAt(now, false) == false {
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vErr.Inner = errors.New("Token used before issued")
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vErr.Errors |= ValidationErrorIssuedAt
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}
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if m.VerifyNotBefore(now, false) == false {
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vErr.Inner = errors.New("Token is not valid yet")
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vErr.Errors |= ValidationErrorNotValidYet
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}
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if vErr.valid() {
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return nil
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}
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return vErr
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}
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