97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
package site
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import (
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"context"
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"fmt"
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"net/http"
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"ruben/inventory2/internal/site/response"
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"time"
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)
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// GET /login
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func (s *Server) loginPage(r *http.Request) (response.Response, error) {
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ctx := r.Context()
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u, err := s.newLoginURL(ctx, "/")
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if err != nil {
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return nil, err
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}
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return response.TemporaryRedirect(u), nil
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}
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func (s *Server) newLoginURL(ctx context.Context, targetURI string) (string, error) {
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state, err := s.auth.NewState(ctx, targetURI)
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if err != nil {
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return "", fmt.Errorf("failed to generate random state: %w", err)
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}
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base64EncodedState := fmt.Sprintf("%x", state[:])
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return s.auth.AuthCodeURL(base64EncodedState), nil
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}
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// POST /login
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func (s *Server) login(r *http.Request) (response.Response, error) {
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ctx := r.Context()
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email := r.FormValue("email")
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if email == "" {
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return nil, response.BadRequest().Msg("no email provided")
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}
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acct, err := s.accts.GetAccountByEmail(ctx, email)
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if err != nil {
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return nil, response.Errorf("failed to create account: %w", err)
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}
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return response.SeeOther(fmt.Sprintf("/accounts/%d", acct.AccountID)), nil
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}
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// GET /login/callback
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func (s *Server) loginCallback(r *http.Request) (response.Response, error) {
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ctx := r.Context()
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q := r.URL.Query()
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// obtain token and profile
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accessToken, targetURI, expiration, err := s.auth.Exchange(ctx, q.Get("state"), q.Get("code"))
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if err != nil {
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return nil, response.Unauthorized().
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Msg(fmt.Sprintf("Failed to exchange an authorization code for a token")).
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Wrap(err)
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}
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// set access_token cookie and redirect to a reasonable place
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return response.TemporaryRedirect(targetURI).
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Cookie(newAccessTokenCookie(accessToken, expiration)), nil
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}
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func newAccessTokenCookie(tkn string, expiration time.Time) http.Cookie {
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return http.Cookie{
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Name: "access_token",
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Value: tkn,
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Path: "/",
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Expires: expiration,
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MaxAge: 0, // using Expiration instead
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Secure: true,
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}
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}
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// GET /logout
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func (s *Server) logoutPage(r *http.Request) (response.Response, error) {
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host := r.Header.Get("X-Forwarded-Host")
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if host == "" {
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host = r.Host
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}
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if ck, err := r.Cookie("access_token"); err == nil && ck != nil {
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if err := s.auth.DeleteOAuthTokens(r.Context(), ck.Value); err != nil {
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fmt.Println("[ERROR] failed to delete auth token:", err)
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}
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}
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return response.TemporaryRedirect(s.auth.GetLogoutURL(host).String()).
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Cookie(getExpiredCookie("access_token")), nil
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}
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