fix #1531 and introduce the 'Configuration.ResetOnFireErrorCode' (read HISTORY.md)

Former-commit-id: 84f1e894378a6dfd94e0bf057f4037e35aee0c4f

core/router/api_builder.go

@@ -984,109 +984,11 @@ func (api *APIBuilder) OnErrorCode(statusCode int, handlers ...context.Handler)
 	return
 }
 
-// ClientErrorCodes holds the 4xx Client errors.
-var (
-	ClientErrorCodes = []int{
-		http.StatusBadRequest,
-		http.StatusUnauthorized,
-		http.StatusPaymentRequired,
-		http.StatusForbidden,
-		http.StatusNotFound,
-		http.StatusMethodNotAllowed,
-		http.StatusNotAcceptable,
-		http.StatusProxyAuthRequired,
-		http.StatusRequestTimeout,
-		http.StatusConflict,
-		http.StatusGone,
-		http.StatusLengthRequired,
-		http.StatusPreconditionFailed,
-		http.StatusRequestEntityTooLarge,
-		http.StatusRequestURITooLong,
-		http.StatusUnsupportedMediaType,
-		http.StatusRequestedRangeNotSatisfiable,
-		http.StatusExpectationFailed,
-		http.StatusTeapot,
-		http.StatusMisdirectedRequest,
-		http.StatusUnprocessableEntity,
-		http.StatusLocked,
-		http.StatusFailedDependency,
-		http.StatusTooEarly,
-		http.StatusUpgradeRequired,
-		http.StatusPreconditionRequired,
-		http.StatusTooManyRequests,
-		http.StatusRequestHeaderFieldsTooLarge,
-		http.StatusUnavailableForLegalReasons,
-		// Unofficial.
-		StatusPageExpired,
-		StatusBlockedByWindowsParentalControls,
-		StatusInvalidToken,
-		StatusTokenRequired,
-	}
-	// ServerErrorCodes holds the 5xx Server errors.
-	ServerErrorCodes = []int{
-		http.StatusInternalServerError,
-		http.StatusNotImplemented,
-		http.StatusBadGateway,
-		http.StatusServiceUnavailable,
-		http.StatusGatewayTimeout,
-		http.StatusHTTPVersionNotSupported,
-		http.StatusVariantAlsoNegotiates,
-		http.StatusInsufficientStorage,
-		http.StatusLoopDetected,
-		http.StatusNotExtended,
-		http.StatusNetworkAuthenticationRequired,
-		// Unofficial.
-		StatusBandwidthLimitExceeded,
-		StatusInvalidSSLCertificate,
-		StatusSiteOverloaded,
-		StatusSiteFrozen,
-		StatusNetworkReadTimeout,
-	}
-)
-
-// Unofficial status error codes.
-const (
-	// 4xx
-	StatusPageExpired                      = 419
-	StatusBlockedByWindowsParentalControls = 450
-	StatusInvalidToken                     = 498
-	StatusTokenRequired                    = 499
-	// 5xx
-	StatusBandwidthLimitExceeded = 509
-	StatusInvalidSSLCertificate  = 526
-	StatusSiteOverloaded         = 529
-	StatusSiteFrozen             = 530
-	StatusNetworkReadTimeout     = 598
-)
-
-var unofficialStatusText = map[int]string{
-	StatusPageExpired:                      "Page Expired",
-	StatusBlockedByWindowsParentalControls: "Blocked by Windows Parental Controls",
-	StatusInvalidToken:                     "Invalid Token",
-	StatusTokenRequired:                    "Token Required",
-	StatusBandwidthLimitExceeded:           "Bandwidth Limit Exceeded",
-	StatusInvalidSSLCertificate:            "Invalid SSL Certificate",
-	StatusSiteOverloaded:                   "Site is overloaded",
-	StatusSiteFrozen:                       "Site is frozen",
-	StatusNetworkReadTimeout:               "Network read timeout error",
-}
-
-// StatusText returns a text for the HTTP status code. It returns the empty
-// string if the code is unknown.
-func StatusText(code int) string {
-	text := http.StatusText(code)
-	if text == "" {
-		text = unofficialStatusText[code]
-	}
-
-	return text
-}
-
 // OnAnyErrorCode registers a handlers chain for all error codes
-// (4xxx and 5xxx, change the `ClientErrorCodes` and `ServerErrorCodes` variables to modify those)
+// (4xxx and 5xxx, change the `context.ClientErrorCodes` and `context.ServerErrorCodes` variables to modify those)
 // Look `OnErrorCode` too.
 func (api *APIBuilder) OnAnyErrorCode(handlers ...context.Handler) (routes []*Route) {
-	for _, statusCode := range append(ClientErrorCodes, ServerErrorCodes...) {
+	for _, statusCode := range context.ClientAndServerErrorCodes {
 		routes = append(routes, api.OnErrorCode(statusCode, handlers...)...)
 	}