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Quelle error-lookup.mjs
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Untersuchungsergebnis.mjs Download desUnknown {[0] [0] [0]}
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2. 0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2. 0/. */
/**
* Utilities for looking up error configurations and resolving dynamic content.
*
* Some error configurations require runtime data (e.g., hostname, certificate
* validity dates, connectivity status). This module provides resolver functions
* that inject runtime context into static configurations.
*/
import {
getErrorConfig,
isErrorSupported,
} from "chrome://global/content/errors/error-registry.mjs";
/**
* Resolve browser error signals to a canonical registry ID.
*
* Handles resolution scenarios in priority order:
* 1. System state overrides (no connectivity, VPN active)
* 2. Direct registry lookup by errorCodeString (C++ error strings)
* 3. Fallback to a shared config when errorCodeString is unregistered
* 4. Direct registry lookup by gErrorCode (URL-derived error codes)
*
* @param {object} signals
* @param {string} signals.errorCodeString - Raw error string from the security/network laye r
* @param {string} signals.gErrorCode - URL-derived error code (e= parameter)
* @param {boolean} signals.noConnectivity - System has no network connectivity
* @param {boolean} signals.vpnActive - VPN is currently active
* @returns {string|null} Canonical registry ID, or null if the error has no
* Felt Privacy config.
*/
export function resolveErrorID({
errorCodeString,
gErrorCode,
noConnectivity,
vpnActive,
}) {
// System state overrides.
// Currently these are all network-related.
if (noConnectivity) {
return "NS_ERROR_OFFLINE";
}
if (gErrorCode === "proxyConnectFailure" && vpnActive) {
return "vpnFailure";
}
// Default: use errorCodeString if it is set and registered. This value comes
// from getFailedCertSecurityInfo() or getNetErrorInfo() and identifies the
// specific error.
if (errorCodeString && isErrorSupported(errorCodeString)) {
return errorCodeString;
}
// In some cases, errorCodeString will be set but not registered. This can
// be done on purpose to allow many different yet similar errors to share a
// config in the error registry. For example, if we see an unregistered error
// where gErrorCode is "nssFailure2", we use the nssFailure2 registry entry.
if (errorCodeString) {
if (gErrorCode !== "nssFailure2" || !isErrorSupported("nssFailure2")) {
return null;
}
}
// In some cases, errorCodeString will not be set. Use the code in
// gErrorCode, which is parsed from the URL e= parameter and set by
// nsDocShell, as a fallback.
if (gErrorCode && isErrorSupported(gErrorCode)) {
return gErrorCode;
}
return null;
}
/**
* Check if an error has no action the user can take to fix it.
*
* @param {string} id - The error id to check
* @returns {boolean} True if the error has no user fix
*/
export function errorHasNoUserFix(id) {
const config = getErrorConfig(id);
return config ? config.hasNoUserFix === true : false;
}
/**
* Check if an error is supported by the Felt Privacy v1 experience.
*
* @param {string} id - The error id to check
* @returns {boolean} True if the error has a configuration
*/
export function isFeltPrivacySupported(id) {
const config = getErrorConfig(id);
return !!config;
}
/**
* Resolve l10n arguments by injecting runtime context.
*
* @param {object | null} l10nConfig - The l10n config with { dataL10nId, dataL10nArgs }
* @param {object} l10nArgValues - Context from the environment during runtime (hostname, errorInfo, etc.)
* @returns {object | null} Resolved l10n config with dataL10nArgs filled in
*/
export function resolveL10nArgs(l10nConfig, l10nArgValues) {
if (!l10nConfig?.dataL10nArgs) {
return l10nConfig;
}
const values = {
hostname: l10nArgValues.hostname,
path: l10nArgValues.filePath,
date: Date.now(),
now: l10nArgValues.now ?? Date.now(),
errorMessage: l10nArgValues.errorInfo?.errorMessage ?? "",
errorCodeString: l10nArgValues.errorInfo?.errorCodeString ?? "",
validHosts: l10nArgValues.domainMismatchNames ?? "",
mitm: l10nArgValues.mitmName ?? "",
responsestatus: l10nArgValues.errorInfo?.responseStatus ?? 0,
responsestatustext: l10nArgValues.errorInfo?.responseStatusText ?? "",
};
if (typeof l10nConfig.dataL10nId === "function") {
l10nConfig.dataL10nId = l10nConfig.dataL10nId(l10nArgValues);
}
for (const [key, value] of Object.entries(l10nConfig.dataL10nArgs)) {
if (value === null || value === "") {
l10nConfig.dataL10nArgs[key] = values[key];
} else if (typeof value === "function") {
l10nConfig.dataL10nArgs[key] = value(l10nArgValues);
}
}
return l10nConfig;
}
/**
* Resolve an array of l10n arguments by injecting runtime context.
*
* @param {Array | null} l10nConfig - The l10n config(s) with { dataL10nId, dataL10nArgs }
* @param {object} l10nArgValues - Context from the environment during runtime (hostname, errorInfo, etc.)
* @returns {Array | null} Resolved l10n config with dataL10nArgs filled in
*/
export function resolveManyL10nArgs(l10nConfigs, l10nArgValues) {
if (!l10nConfigs) {
return null;
}
for (let i = 0; i < l10nConfigs.length; i++) {
l10nConfigs[i] = resolveL10nArgs(l10nConfigs[i], l10nArgValues);
}
return l10nConfigs;
}
/**
* Resolve description parts by calling resolver functions for dynamic content.
*
* @param {Array|Function} descriptionParts - Static parts array or resolver function
* @param {object} l10nArgValues - Context from the environment during runtime { noConnectivity, hostname, errorInfo }
* @returns {Array} Resolved description parts
*/
export function resolveDescriptionParts(descriptionParts, l10nArgValues) {
if (!descriptionParts) {
return [];
}
if (typeof descriptionParts === "function") {
return descriptionParts(l10nArgValues);
}
// Static parts - resolve any l10n args
return descriptionParts.map(part => resolveL10nArgs(part, l10nArgValues));
}
/**
* Resolve the advanced section configuration.
*
* @param {object | null} advancedConfig - The advanced section config
* @param {object} l10nArgValues - Context from the environment during runtime
* @returns {object | null} Resolved advanced config
*/
export function resolveAdvancedConfig(advancedConfig, l10nArgValues) {
if (!advancedConfig) {
return null;
}
const resolved = { ...advancedConfig };
["whyDangerous", "whatCanYouDo", "learnMore"].forEach(key => {
if (resolved[key]) {
resolved[key] = resolveL10nArgs(advancedConfig[key], l10nArgValues);
}
});
return resolved;
}
function resolveCustomNetError(customNetError, l10nArgValues) {
if (!customNetError) {
return customNetError;
}
const resolved = { ...customNetError };
if (typeof resolved.whatCanYouDoItems === "function") {
resolved.whatCanYouDoItems = resolved.whatCanYouDoItems(l10nArgValues);
}
if (customNetError.whatCanYouDoL10nArgs) {
const argsClone = {
dataL10nArgs: { ...customNetError.whatCanYouDoL10nArgs },
};
resolveL10nArgs(argsClone, l10nArgValues);
resolved.whatCanYouDoL10nArgs = argsClone.dataL10nArgs;
}
return resolved;
}
/**
* Get a fully resolved error configuration with runtime context applied.
*
* @param {string} id - The error id to look up
* @param {object} l10nArgValues - Context from the environment during runtime { hostname, errorInfo, noConnectivity, showOSXPermissionWarning, offline }
* @returns {object} Fully resolved error configuration
*/
export function getResolvedErrorConfig(id, l10nArgValues) {
const baseConfig = getErrorConfig(id);
if (!baseConfig) {
return {};
}
const introContentHandler = Array.isArray(baseConfig.introContent)
? resolveManyL10nArgs
: resolveL10nArgs;
return {
...baseConfig,
introContent: introContentHandler(baseConfig.introContent, l10nArgValues),
shortDescription: resolveL10nArgs(
baseConfig.shortDescription,
l10nArgValues
),
descriptionParts: resolveDescriptionParts(
baseConfig.descriptionParts,
l10nArgValues
),
advanced: resolveAdvancedConfig(baseConfig.advanced, l10nArgValues),
customNetError: resolveCustomNetError(
baseConfig.customNetError,
l10nArgValues
),
};
}
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2026-08-25
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