mirror of
https://github.com/usememos/memos.git
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64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
package v1
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import (
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"fmt"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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const (
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// issuer is the issuer of the jwt token.
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Issuer = "memos"
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// Signing key section. For now, this is only used for signing, not for verifying since we only
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// have 1 version. But it will be used to maintain backward compatibility if we change the signing mechanism.
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KeyID = "v1"
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// AccessTokenAudienceName is the audience name of the access token.
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AccessTokenAudienceName = "user.access-token"
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AccessTokenDuration = 7 * 24 * time.Hour
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// CookieExpDuration expires slightly earlier than the jwt expiration. Client would be logged out if the user
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// cookie expires, thus the client would always logout first before attempting to make a request with the expired jwt.
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CookieExpDuration = AccessTokenDuration - 1*time.Minute
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// AccessTokenCookieName is the cookie name of access token.
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AccessTokenCookieName = "memos.access-token"
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)
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type ClaimsMessage struct {
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Name string `json:"name"`
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jwt.RegisteredClaims
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}
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// GenerateAccessToken generates an access token.
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func GenerateAccessToken(username string, userID int32, expirationTime time.Time, secret []byte) (string, error) {
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return generateToken(username, userID, AccessTokenAudienceName, expirationTime, secret)
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}
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// generateToken generates a jwt token.
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func generateToken(username string, userID int32, audience string, expirationTime time.Time, secret []byte) (string, error) {
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registeredClaims := jwt.RegisteredClaims{
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Issuer: Issuer,
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Audience: jwt.ClaimStrings{audience},
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Subject: fmt.Sprint(userID),
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}
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if !expirationTime.IsZero() {
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registeredClaims.ExpiresAt = jwt.NewNumericDate(expirationTime)
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}
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// Declare the token with the HS256 algorithm used for signing, and the claims.
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, &ClaimsMessage{
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Name: username,
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RegisteredClaims: registeredClaims,
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})
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token.Header["kid"] = KeyID
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// Create the JWT string.
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tokenString, err := token.SignedString(secret)
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if err != nil {
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return "", err
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}
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return tokenString, nil
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}
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