41 lines
1 KiB
Go
41 lines
1 KiB
Go
package app
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import (
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"context"
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"fmt"
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"emperror.dev/errors"
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"git.sleepycat.moe/sam/mercury/internal/database"
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"github.com/golang-jwt/jwt/v4"
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)
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func (app *App) TokenToJWT(token database.Token) (string, error) {
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t := jwt.NewWithClaims(jwt.SigningMethodHS256, token.ToClaims())
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return t.SignedString(app.tokenKey)
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}
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func (app *App) ParseToken(ctx context.Context, token string) (t database.Token, err error) {
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parsed, err := jwt.ParseWithClaims(token, &database.TokenClaims{}, func(t *jwt.Token) (interface{}, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf(`unexpected signing method "%v"`, t.Header["alg"])
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}
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return app.tokenKey, nil
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})
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if err != nil {
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return t, errors.Wrap(err, "parsing token")
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}
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c, ok := parsed.Claims.(*database.TokenClaims)
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if !ok || !parsed.Valid {
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return t, fmt.Errorf("unknown claims type %T", parsed.Claims)
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}
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t, err = app.Token().Get(ctx, c.TokenID)
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if err != nil {
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return t, errors.Wrap(err, "getting token from database")
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}
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return t, nil
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}
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