SSL Errors.sys.mjs
Sprache: unbekannt
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/* 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/. */
import { RemoteError } from "chrome://remote/content/shared/RemoteError.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
pprint: "chrome://remote/content/shared/Format.sys.mjs",
});
const ERRORS = new Set([
"DetachedShadowRootError",
"ElementClickInterceptedError",
"ElementNotAccessibleError",
"ElementNotInteractableError",
"InsecureCertificateError",
"InvalidArgumentError",
"InvalidCookieDomainError",
"InvalidElementStateError",
"InvalidSelectorError",
"InvalidSessionIDError",
"JavaScriptError",
"MoveTargetOutOfBoundsError",
"NoSuchAlertError",
"NoSuchElementError",
"NoSuchFrameError",
"NoSuchHandleError",
"NoSuchHistoryEntryError",
"NoSuchInterceptError",
"NoSuchNodeError",
"NoSuchRequestError",
"NoSuchScriptError",
"NoSuchShadowRootError",
"NoSuchUserContextError",
"NoSuchWindowError",
"ScriptTimeoutError",
"SessionNotCreatedError",
"StaleElementReferenceError",
"TimeoutError",
"UnableToCaptureScreen",
"UnableToSetCookieError",
"UnableToSetFileInputError",
"UnexpectedAlertOpenError",
"UnknownCommandError",
"UnknownError",
"UnsupportedOperationError",
"WebDriverError",
]);
const BUILTIN_ERRORS = new Set([
"Error",
"EvalError",
"InternalError",
"RangeError",
"ReferenceError",
"SyntaxError",
"TypeError",
"URIError",
]);
/** @namespace */
export const error = {
/**
* Check if ``val`` is an instance of the ``Error`` prototype.
*
* Because error objects may originate from different globals, comparing
* the prototype of the left hand side with the prototype property from
* the right hand side, which is what ``instanceof`` does, will not work.
* If the LHS and RHS come from different globals, this check will always
* fail because the two objects will not have the same identity.
*
* Therefore it is not safe to use ``instanceof`` in any multi-global
* situation, e.g. in content across multiple ``Window`` objects or anywhere
* in chrome scope.
*
* This function also contains a special check if ``val`` is an XPCOM
* ``nsIException`` because they are special snowflakes and may indeed
* cause Firefox to crash if used with ``instanceof``.
*
* @param {*} val
* Any value that should be undergo the test for errorness.
* @returns {boolean}
* True if error, false otherwise.
*/
isError(val) {
if (val === null || typeof val != "object") {
return false;
} else if (val instanceof Ci.nsIException) {
return true;
}
// DOMRectList errors on string comparison
try {
let proto = Object.getPrototypeOf(val);
return BUILTIN_ERRORS.has(proto.toString());
} catch (e) {
return false;
}
},
/**
* Checks if ``obj`` is an object in the :js:class:`WebDriverError`
* prototypal chain.
*
* @param {*} obj
* Arbitrary object to test.
*
* @returns {boolean}
* True if ``obj`` is of the WebDriverError prototype chain,
* false otherwise.
*/
isWebDriverError(obj) {
// Don't use "instanceof" to compare error objects because of possible
// problems when the other instance was created in a different global and
// as such won't have the same prototype object.
return error.isError(obj) && "name" in obj && ERRORS.has(obj.name);
},
/**
* Ensures error instance is a :js:class:`WebDriverError`.
*
* If the given error is already in the WebDriverError prototype
* chain, ``err`` is returned unmodified. If it is not, it is wrapped
* in the provided WebDriverError class (defaults to :js:class:`UnknownError`).
*
* @param {Error} err
* Error to conditionally turn into a WebDriverError.
* @param {WebDriverError=} targetErrorClass
* Target WebDriver error class to wrap the error with.
* Defaults to UnknownError.
*
* @returns {WebDriverError}
* If ``err`` is a WebDriverError, it is returned unmodified.
* Otherwise a WebDriver error of the target error class type is returned.
*/
wrap(err, targetErrorClass = UnknownError) {
if (error.isWebDriverError(err)) {
return err;
}
return new targetErrorClass(err);
},
/**
* Unhandled error reporter. Dumps the error and its stacktrace to console,
* and reports error to the Browser Console.
*/
report(err) {
let msg = "Marionette threw an error: " + error.stringify(err);
dump(msg + "\n");
console.error(msg);
},
/**
* Prettifies an instance of Error and its stacktrace to a string.
*/
stringify(err) {
try {
let s = err.toString();
if ("stack" in err) {
s += "\n" + err.stack;
}
return s;
} catch (e) {
return "<unprintable error>";
}
},
/** Create a stacktrace to the current line in the program. */
stack() {
let trace = new Error().stack;
let sa = trace.split("\n");
sa = sa.slice(1);
let rv = "stacktrace:\n" + sa.join("\n");
return rv.trimEnd();
},
};
/**
* WebDriverError is the prototypal parent of all WebDriver errors.
* It should not be used directly, as it does not correspond to a real
* error in the specification.
*/
class WebDriverError extends RemoteError {
/**
* Base error for WebDriver protocols.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
constructor(obj, data = {}) {
super(obj);
this.name = this.constructor.name;
this.status = "webdriver error";
this.data = data;
// Error's ctor does not preserve x' stack
if (error.isError(obj)) {
this.stack = obj.stack;
}
if (error.isWebDriverError(obj)) {
this.message = obj.message;
this.data = obj.data;
}
}
/**
* @returns {Record<string, string>}
* JSON serialisation of error prototype.
*/
toJSON() {
const result = {
error: this.status,
message: this.message || "",
stacktrace: this.stack || "",
};
// Only add the field if additional data has been specified.
if (Object.keys(this.data).length) {
result.data = this.data;
}
return result;
}
/**
* Unmarshals a JSON error representation to the appropriate Marionette
* error type.
*
* @param {Record<string, string>} json
* Error object.
*
* @returns {Error}
* Error prototype.
*/
static fromJSON(json) {
if (typeof json.error == "undefined") {
let s = JSON.stringify(json);
throw new TypeError("Undeserialisable error type: " + s);
}
if (!STATUSES.has(json.error)) {
throw new TypeError("Not of WebDriverError descent: " + json.error);
}
let cls = STATUSES.get(json.error);
let err = new cls();
if ("message" in json) {
err.message = json.message;
}
if ("stacktrace" in json) {
err.stack = json.stacktrace;
}
if ("data" in json) {
err.data = json.data;
}
return err;
}
}
/**
* The Gecko a11y API indicates that the element is not accessible.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class ElementNotAccessibleError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "element not accessible";
}
}
/**
* An element click could not be completed because the element receiving
* the events is obscuring the element that was requested clicked.
*
* @param {string=} message
* Optional string describing error situation. Will be replaced if both
* `data.obscuredEl` and `data.coords` are provided.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
* @param {Element=} obscuredEl
* Element obscuring the element receiving the click. Providing this
* is not required, but will produce a nicer error message.
* @param {Map.<string, number>=} coords
* Original click location. Providing this is not required, but
* will produce a nicer error message.
*/
class ElementClickInterceptedError extends WebDriverError {
constructor(obj, data = {}, obscuredEl = undefined, coords = undefined) {
let obscuredElDetails = null;
let overlayingElDetails = null;
if (obscuredEl && coords) {
const doc = obscuredEl.ownerDocument;
const overlayingEl = doc.elementFromPoint(coords.x, coords.y);
obscuredElDetails = lazy.pprint`${obscuredEl}`;
overlayingElDetails = lazy.pprint`${overlayingEl}`;
switch (obscuredEl.style.pointerEvents) {
case "none":
obj =
`Element ${obscuredElDetails} is not clickable ` +
`at point (${coords.x},${coords.y}) ` +
`because it does not have pointer events enabled, ` +
`and element ${overlayingElDetails} ` +
`would receive the click instead`;
break;
default:
obj =
`Element ${obscuredElDetails} is not clickable ` +
`at point (${coords.x},${coords.y}) ` +
`because another element ${overlayingElDetails} ` +
`obscures it`;
break;
}
}
if (coords) {
data.coords = coords;
}
if (obscuredElDetails) {
data.obscuredElement = obscuredElDetails;
}
if (overlayingElDetails) {
data.overlayingElement = overlayingElDetails;
}
super(obj, data);
this.status = "element click intercepted";
}
}
/**
* A command could not be completed because the element is not pointer-
* or keyboard interactable.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class ElementNotInteractableError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "element not interactable";
}
}
/**
* Navigation caused the user agent to hit a certificate warning, which
* is usually the result of an expired or invalid TLS certificate.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InsecureCertificateError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "insecure certificate";
}
}
/**
* The arguments passed to a command are either invalid or malformed.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InvalidArgumentError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "invalid argument";
}
}
/**
* An illegal attempt was made to set a cookie under a different
* domain than the current page.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InvalidCookieDomainError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "invalid cookie domain";
}
}
/**
* A command could not be completed because the element is in an
* invalid state, e.g. attempting to clear an element that isn't both
* editable and resettable.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InvalidElementStateError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "invalid element state";
}
}
/**
* Argument was an invalid selector.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InvalidSelectorError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "invalid selector";
}
}
/**
* Occurs if the given session ID is not in the list of active sessions,
* meaning the session either does not exist or that it's not active.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class InvalidSessionIDError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "invalid session id";
}
}
/**
* An error occurred whilst executing JavaScript supplied by the user.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class JavaScriptError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "javascript error";
}
}
/**
* The target for mouse interaction is not in the browser's viewport
* and cannot be brought into that viewport.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class MoveTargetOutOfBoundsError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "move target out of bounds";
}
}
/**
* An attempt was made to operate on a modal dialog when one was
* not open.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchAlertError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such alert";
}
}
/**
* An element could not be located on the page using the given
* search parameters.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchElementError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such element";
}
}
/**
* A command tried to remove an unknown preload script.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchScriptError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such script";
}
}
/**
* A shadow root was not attached to the element.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchShadowRootError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such shadow root";
}
}
/**
* A shadow root is no longer attached to the document.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class DetachedShadowRootError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "detached shadow root";
}
}
/**
* A command to switch to a frame could not be satisfied because
* the frame could not be found.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchFrameError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such frame";
}
}
/**
* The handle of a strong object reference could not be found.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchHandleError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such handle";
}
}
/**
* The entry of the history could not be found.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchHistoryEntryError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such history entry";
}
}
/**
* Tried to remove an unknown network intercept.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchInterceptError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such intercept";
}
}
/**
* A node as given by its unique shared id could not be found within the cache
* of known nodes.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchNodeError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such node";
}
}
/**
* Tried to continue an unknown request.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchRequestError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such request";
}
}
/**
* A command tried to reference an unknown user context (containers in Firefox).
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchUserContextError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such user context";
}
}
/**
* A command to switch to a window could not be satisfied because
* the window could not be found.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class NoSuchWindowError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "no such window";
}
}
/**
* A script did not complete before its timeout expired.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class ScriptTimeoutError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "script timeout";
}
}
/**
* A new session could not be created.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class SessionNotCreatedError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "session not created";
}
}
/**
* A command failed because the referenced element is no longer
* attached to the DOM.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class StaleElementReferenceError extends WebDriverError {
constructor(obj, options = {}) {
super(obj, options);
this.status = "stale element reference";
}
}
/**
* An operation did not complete before its timeout expired.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class TimeoutError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "timeout";
}
}
/**
* A command to set a cookie's value could not be satisfied.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnableToSetCookieError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unable to set cookie";
}
}
/**
* A command to set a file could not be satisfied.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnableToSetFileInputError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unable to set file input";
}
}
/**
* A command to capture a screenshot could not be satisfied.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnableToCaptureScreen extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unable to capture screen";
}
}
/**
* A modal dialog was open, blocking this operation.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnexpectedAlertOpenError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unexpected alert open";
}
}
/**
* A command could not be executed because the remote end is not
* aware of it.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnknownCommandError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unknown command";
}
}
/**
* An unknown error occurred in the remote end while processing
* the command.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnknownError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unknown error";
}
}
/**
* Indicates that a command that should have executed properly
* cannot be supported for some reason.
*
* @param {(string|Error)=} obj
* Optional string describing error situation or Error instance
* to propagate.
* @param {object=} data
* Additional error data helpful in diagnosing the error.
*/
class UnsupportedOperationError extends WebDriverError {
constructor(obj, data = {}) {
super(obj, data);
this.status = "unsupported operation";
}
}
const STATUSES = new Map([
["detached shadow root", DetachedShadowRootError],
["element click intercepted", ElementClickInterceptedError],
["element not accessible", ElementNotAccessibleError],
["element not interactable", ElementNotInteractableError],
["insecure certificate", InsecureCertificateError],
["invalid argument", InvalidArgumentError],
["invalid cookie domain", InvalidCookieDomainError],
["invalid element state", InvalidElementStateError],
["invalid selector", InvalidSelectorError],
["invalid session id", InvalidSessionIDError],
["javascript error", JavaScriptError],
["move target out of bounds", MoveTargetOutOfBoundsError],
["no such alert", NoSuchAlertError],
["no such element", NoSuchElementError],
["no such frame", NoSuchFrameError],
["no such handle", NoSuchHandleError],
["no such history entry", NoSuchHistoryEntryError],
["no such intercept", NoSuchInterceptError],
["no such node", NoSuchNodeError],
["no such request", NoSuchRequestError],
["no such script", NoSuchScriptError],
["no such shadow root", NoSuchShadowRootError],
["no such user context", NoSuchUserContextError],
["no such window", NoSuchWindowError],
["script timeout", ScriptTimeoutError],
["session not created", SessionNotCreatedError],
["stale element reference", StaleElementReferenceError],
["timeout", TimeoutError],
["unable to capture screen", UnableToCaptureScreen],
["unable to set cookie", UnableToSetCookieError],
["unable to set file input", UnableToSetFileInputError],
["unexpected alert open", UnexpectedAlertOpenError],
["unknown command", UnknownCommandError],
["unknown error", UnknownError],
["unsupported operation", UnsupportedOperationError],
["webdriver error", WebDriverError],
]);
// Errors must be exported as part of the `error` object.
// We could declare each error as global variable, but because they are Error
// prototypes this would mess up their names.
for (let cls of STATUSES.values()) {
error[cls.name] = cls;
}
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2026-03-28
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