Fix cookie persistence: save dict as JSON, verify via HTTP on restart

core/itch_client.gd

@@ -385,23 +385,41 @@ func _login_with_password(username: String, password: String) -> void:
 		return
 	profile = res.get("profile", {})
 	is_logged_in = true
-	# Persist the cookie so we can re-authenticate on restart without the
-	# password.  Butlerd stores tokens in its own DB, but we need the cookie
-	# to verify the session on subsequent startups.
-	var cookie: String = res.get("cookie", "")
-	if cookie != "":
-		emit_signal.call_deferred("login_cookies_saved", username, cookie)
+	# Persist the cookie so we can re-authenticate on restart.  Butlerd
+	# stores tokens in its own DB, but we re-send the cookie on subsequent
+	# startups so butlerd can refresh the session if needed.
+	var cookie_dict: Dictionary = res.get("cookie", {})
+	if not cookie_dict.is_empty():
+		var cookie_json := JSON.stringify(cookie_dict)
+		emit_signal.call_deferred("login_cookies_saved", username, cookie_json)
 	emit_signal.call_deferred("logged_in", LOGIN_STATUS.OK, profile)
 
 
-## Re-authenticates using a previously saved cookie.  The cookie is verified
-## against itch.io's API directly (bypassing butlerd) because butlerd does
-## not expose a "login with cookie" method.
-func login_with_cookie(cookie: String) -> void:
-	await thread_group.exec(_login_with_cookie.bind(cookie))
+## Re-authenticates using a previously saved cookie.  The cookie is a JSON
+## dict of name-value pairs from Profile.LoginWithPassword.  We send it to
+## itch.io's API directly to verify the session — butlerd doesn't expose a
+## "login with cookie" method, but it stores the credentials internally so
+## subsequent butlerd calls will work once we've verified the session.
+func login_with_cookie(cookie_json: String) -> void:
+	await thread_group.exec(_login_with_cookie.bind(cookie_json))
 
 
-func _login_with_cookie(cookie: String) -> void:
+func _login_with_cookie(cookie_json: String) -> void:
+	var cookie_dict: Dictionary = {}
+	var json := JSON.new()
+	if json.parse(cookie_json) == OK and typeof(json.data) == TYPE_DICTIONARY:
+		cookie_dict = json.data
+	if cookie_dict.is_empty():
+		is_logged_in = false
+		emit_signal.call_deferred("logged_in", LOGIN_STATUS.INVALID_KEY, {})
+		return
+
+	# Build Cookie header from the dict: "name1=value1; name2=value2"
+	var pairs: PackedStringArray = []
+	for key in cookie_dict:
+		pairs.append(str(key) + "=" + str(cookie_dict[key]))
+	var cookie_header := "; ".join(pairs)
+
 	var http := HTTPClient.new()
 	var err := http.connect_to_host("api.itch.io", 443, TLSOptions.client())
 	if err != OK:
@@ -424,7 +442,7 @@ func _login_with_cookie(cookie: String) -> void:
 		return
 
 	var headers := PackedStringArray([
-		"Authorization: Bearer " + cookie,
+		"Cookie: " + cookie_header,
 		"User-Agent: opencode-itch-plugin/1.0",
 	])
 	http.request(HTTPClient.METHOD_GET, "/profile", headers)
@@ -454,19 +472,19 @@ func _login_with_cookie(cookie: String) -> void:
 	http.close()
 
 	var response_code := http.get_response_code()
-	var json_text := body.get_string_from_utf8()
-	if response_code != 200 or json_text.is_empty():
+	var response_text := body.get_string_from_utf8()
+	if response_code != 200 or response_text.is_empty():
 		is_logged_in = false
 		emit_signal.call_deferred("logged_in", LOGIN_STATUS.INVALID_KEY, {})
 		return
 
-	var json := JSON.new()
-	if json.parse(json_text) != OK:
+	var resp_json := JSON.new()
+	if resp_json.parse(response_text) != OK:
 		is_logged_in = false
 		emit_signal.call_deferred("logged_in", LOGIN_STATUS.INVALID_KEY, {})
 		return
 
-	var data: Dictionary = json.data
+	var data: Dictionary = resp_json.data
 	profile = data.get("user", data)
 	is_logged_in = true
 	emit_signal.call_deferred("logged_in", LOGIN_STATUS.OK, profile)