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tubestation/servo/components/script/dom/webidls/DissimilarOriginLocation.webidl
Alan Jeffrey fe409aefa3 servo: Merge #15358 - Allow browsing contexts to resolve to cross-origin windows (from asajeffrey:script-browsingcontext-xorigin-window); r=jdm
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This PR implements cross-thread `WindowProxy` objects.

At the moment, if a `Window` performs a non-similar-origin navigation, the old script thread does not update its `WindowProxy`, since the new `Window` is in the new script thread. With this PR, the `WindowProxy` is updated to a dummy `XOriginWindow` object, that only implements the whitelisted methods that are allowed to be called cross-origin.

This PR does not include working implementations of some of the cross-origin `Window` or `Location` methods.

This PR causes some cross-origin wpt tests to now pass, in particular `/html/browsers/origin/cross-origin-objects/cross-origin-objects.html ` now passes `Only whitelisted properties are accessible cross-origin`. There are some CORS failures in `fetch`, I suspect caused by the incorrect setting of `origin` in fetch requests.

Although there are some functions that now throw `SecurityException`, it is not meant to be a complete implementation, which will have to wait for XOWs to land.

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #15180.
- [X] There are tests for these changes

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Source-Repo: https://github.com/servo/servo
Source-Revision: 6adbcb4ccdc1f74638b0c6e990c122e34bc967e4
2017-02-16 16:57:05 -08:00

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979 B
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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/. */
// This is a Servo-specific interface, used to represent locations
// that are not similar-origin, so live in another script thread.
// It is based on the interface for Window, but only contains the
// accessors that do not throw security exceptions when called
// cross-origin.
//
// Note that similar-origin locations are kept in the same script
// thread, so this mechanism cannot be relied upon as the only
// way to enforce security policy.
// https://html.spec.whatwg.org/multipage/#location
[Unforgeable, NoInterfaceObject] interface DissimilarOriginLocation {
[Throws] attribute USVString href;
[Throws] void assign(USVString url);
[Throws] void replace(USVString url);
[Throws] void reload();
[Throws] stringifier;
// TODO: finish this interface
};