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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs')
-rw-r--r-- | remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs b/remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs new file mode 100644 index 0000000000..482f90948a --- /dev/null +++ b/remote/shared/messagehandler/transports/BrowsingContextUtils.sys.mjs @@ -0,0 +1,57 @@ +/* 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/. */ + +function isExtensionContext(browsingContext) { + let principal; + if (CanonicalBrowsingContext.isInstance(browsingContext)) { + principal = browsingContext.currentWindowGlobal.documentPrincipal; + } else { + principal = browsingContext.window.document.nodePrincipal; + } + + // In practice, note that the principal will never be an expanded principal. + // The are only used for content scripts executed in a Sandbox, and do not + // have a browsing context on their own. + // But we still use this flag because there is no isAddonPrincipal flag. + return principal.isAddonOrExpandedAddonPrincipal; +} + +function isParentProcess(browsingContext) { + if (CanonicalBrowsingContext.isInstance(browsingContext)) { + return browsingContext.currentWindowGlobal.osPid === -1; + } + + // If `browsingContext` is not a `CanonicalBrowsingContext`, then we are + // necessarily in a content process page. + return false; +} + +/** + * Check if the given browsing context is valid for the message handler + * to use. + * + * @param {BrowsingContext} browsingContext + * The browsing context to check. + * @param {object=} options + * @param {string=} options.browserId + * The id of the browser to filter the browsing contexts by (optional). + * @returns {boolean} + * True if the browsing context is valid, false otherwise. + */ +export function isBrowsingContextCompatible(browsingContext, options = {}) { + const { browserId } = options; + + // If a browserId was provided, skip browsing contexts which are not + // associated with this browserId. + if (browserId !== undefined && browsingContext.browserId !== browserId) { + return false; + } + + // Skip: + // - extension contexts until we support debugging webextensions, see Bug 1755014. + // - privileged contexts until we support debugging Chrome context, see Bug 1713440. + return ( + !isExtensionContext(browsingContext) && !isParentProcess(browsingContext) + ); +} |