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Go
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970package state
import ( "fmt" "net/http" "strings"
"tangled.org/core/appview/pages")
func (s *State) Login(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "Login")
switch r.Method { case http.MethodGet: returnURL := r.URL.Query().Get("return_url") errorCode := r.URL.Query().Get("error") s.pages.Login(w, pages.LoginParams{ ReturnUrl: returnURL, ErrorCode: errorCode, }) case http.MethodPost: handle := r.FormValue("handle")
// when users copy their handle from bsky.app, it tends to have these characters around it: // // @nelind.dk: // \u202a ensures that the handle is always rendered left to right and // \u202c reverts that so the rest of the page renders however it should handle = strings.TrimPrefix(handle, "\u202a") handle = strings.TrimSuffix(handle, "\u202c")
// `@` is harmless handle = strings.TrimPrefix(handle, "@")
// basic handle validation if !strings.Contains(handle, ".") { l.Error("invalid handle format", "raw", handle) s.pages.Notice( w, "login-msg", fmt.Sprintf("\"%s\" is an invalid handle. Did you mean %s.bsky.social or %s.tngl.sh?", handle, handle, handle), ) return }
redirectURL, err := s.oauth.ClientApp.StartAuthFlow(r.Context(), handle) if err != nil { l.Error("failed to start auth", "err", err) http.Error(w, err.Error(), http.StatusInternalServerError) return }
s.pages.HxRedirect(w, redirectURL) }}
func (s *State) Logout(w http.ResponseWriter, r *http.Request) { l := s.logger.With("handler", "Logout")
err := s.oauth.DeleteSession(w, r) if err != nil { l.Error("failed to logout", "err", err) } else { l.Info("logged out successfully") }
s.pages.HxRedirect(w, "/login")}