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85 lines
3.5 KiB
Go
85 lines
3.5 KiB
Go
package jwtutil
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import (
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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// The following is the declaration of the StandardClaims type from jwt-go v4
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// (https://github.com/golang-jwt/jwt/blob/v4/claims.go), where it was marked
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// as deprecated before later removed in v5. It was distributed under the terms
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// of the MIT License (https://github.com/golang-jwt/jwt/blob/v4/LICENSE), with
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// the copy right notice included below. We have renamed the type to
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// LegacyStandardClaims to avoid confusion, and made it compatible with
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// jwt-go v5 by implementing functions to satisfy the changed Claims interface.
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// Copyright (c) 2012 Dave Grijalva
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// Copyright (c) 2021 golang-jwt maintainers
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// LegacyStandardClaims are a structured version of the JWT Claims Set, as referenced at
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// https://datatracker.ietf.org/doc/html/rfc7519#section-4. They do not follow the
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// specification exactly, since they were based on an earlier draft of the
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// specification and not updated. The main difference is that they only
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// support integer-based date fields and singular audiences. This might lead to
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// incompatibilities with other JWT implementations. The use of this is discouraged, instead
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// the newer RegisteredClaims struct should be used.
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type LegacyStandardClaims struct {
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Audience string `json:"aud,omitempty"`
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ExpiresAt int64 `json:"exp,omitempty"`
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ID string `json:"jti,omitempty"`
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IssuedAt int64 `json:"iat,omitempty"`
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Issuer string `json:"iss,omitempty"`
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NotBefore int64 `json:"nbf,omitempty"`
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Subject string `json:"sub,omitempty"`
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}
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// GetExpirationTime implements the Claims interface.
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func (c LegacyStandardClaims) GetExpirationTime() (*jwt.NumericDate, error) {
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return jwt.NewNumericDate(time.Unix(c.ExpiresAt, 0)), nil
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}
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// GetIssuedAt implements the Claims interface.
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func (c LegacyStandardClaims) GetIssuedAt() (*jwt.NumericDate, error) {
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return jwt.NewNumericDate(time.Unix(c.IssuedAt, 0)), nil
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}
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// GetNotBefore implements the Claims interface.
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func (c LegacyStandardClaims) GetNotBefore() (*jwt.NumericDate, error) {
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return jwt.NewNumericDate(time.Unix(c.NotBefore, 0)), nil
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}
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// GetIssuer implements the Claims interface.
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func (c LegacyStandardClaims) GetIssuer() (string, error) {
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return c.Issuer, nil
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}
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// GetSubject implements the Claims interface.
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func (c LegacyStandardClaims) GetSubject() (string, error) {
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return c.Subject, nil
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}
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// GetAudience implements the Claims interface.
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func (c LegacyStandardClaims) GetAudience() (jwt.ClaimStrings, error) {
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return []string{c.Audience}, nil
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}
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