114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package handlers
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import (
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"context"
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"net/http"
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"strings"
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"time"
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"projectreshoot/config"
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"projectreshoot/cookies"
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"projectreshoot/db"
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"projectreshoot/jwt"
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"github.com/pkg/errors"
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"github.com/rs/zerolog"
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)
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func revokeAccess(
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config *config.Config,
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ctx context.Context,
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tx *db.SafeTX,
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atStr string,
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) error {
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aT, err := jwt.ParseAccessToken(config, ctx, tx, atStr)
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if err != nil {
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if strings.Contains(err.Error(), "Token is expired") ||
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strings.Contains(err.Error(), "Token has been revoked") {
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return nil // Token is expired, dont need to revoke it
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}
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return errors.Wrap(err, "jwt.ParseAccessToken")
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}
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err = jwt.RevokeToken(ctx, tx, aT)
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if err != nil {
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return errors.Wrap(err, "jwt.RevokeToken")
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}
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return nil
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}
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func revokeRefresh(
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config *config.Config,
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ctx context.Context,
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tx *db.SafeTX,
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rtStr string,
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) error {
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rT, err := jwt.ParseRefreshToken(config, ctx, tx, rtStr)
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if err != nil {
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if strings.Contains(err.Error(), "Token is expired") ||
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strings.Contains(err.Error(), "Token has been revoked") {
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return nil // Token is expired, dont need to revoke it
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}
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return errors.Wrap(err, "jwt.ParseRefreshToken")
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}
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err = jwt.RevokeToken(ctx, tx, rT)
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if err != nil {
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return errors.Wrap(err, "jwt.RevokeToken")
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}
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return nil
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}
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// Retrieve and revoke the user's tokens
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func revokeTokens(
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config *config.Config,
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ctx context.Context,
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tx *db.SafeTX,
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r *http.Request,
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) error {
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// get the tokens from the cookies
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atStr, rtStr := cookies.GetTokenStrings(r)
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// revoke the refresh token first as the access token expires quicker
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// only matters if there is an error revoking the tokens
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err := revokeRefresh(config, ctx, tx, rtStr)
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if err != nil {
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return errors.Wrap(err, "revokeRefresh")
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}
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err = revokeAccess(config, ctx, tx, atStr)
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if err != nil {
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return errors.Wrap(err, "revokeAccess")
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}
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return nil
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}
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// Handle a logout request
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func HandleLogout(
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config *config.Config,
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logger *zerolog.Logger,
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conn *db.SafeConn,
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) http.Handler {
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return http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
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defer cancel()
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// Start the transaction
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tx, err := conn.Begin(ctx)
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if err != nil {
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logger.Warn().Err(err).Msg("Error occured on user logout")
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w.WriteHeader(http.StatusServiceUnavailable)
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return
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}
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err = revokeTokens(config, ctx, tx, r)
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if err != nil {
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tx.Rollback()
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logger.Error().Err(err).Msg("Error occured on user logout")
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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tx.Commit()
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cookies.DeleteCookie(w, "access", "/")
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cookies.DeleteCookie(w, "refresh", "/")
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w.Header().Set("HX-Redirect", "/login")
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},
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)
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}
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