tangled.org
oppi.li
+19
-1
appview/oauth/handler/handler.go
+19
-1
appview/oauth/handler/handler.go
···
102
102
case http.MethodGet:
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103
o.pages.Login(w, pages.LoginParams{})
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case http.MethodPost:
105
-
handle := strings.TrimPrefix(r.FormValue("handle"), "@")
105
+
handle := r.FormValue("handle")
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+
107
+
// when users copy their handle from bsky.app, it tends to have these characters around it:
108
+
//
109
+
// @nelind.dk:
110
+
// \u202a ensures that the handle is always rendered left to right and
111
+
// \u202c reverts that so the rest of the page renders however it should
112
+
handle = strings.TrimPrefix(handle, "\u202a")
113
+
handle = strings.TrimSuffix(handle, "\u202c")
114
+
115
+
// `@` is harmless
116
+
handle = strings.TrimPrefix(handle, "@")
117
+
118
+
// basic handle validation
119
+
if !strings.Contains(handle, ".") {
120
+
log.Println("invalid handle format", "raw", handle)
121
+
o.pages.Notice(w, "login-msg", fmt.Sprintf("\"%s\" is an invalid handle. Did you mean %s.bsky.social?", handle, handle))
122
+
return
123
+
}
106
124
107
125
resolved, err := o.idResolver.ResolveIdent(r.Context(), handle)
108
126
if err != nil {