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Bug 1509346 - Add support for <form rel>. r=smaug

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Differential Revision: https://phabricator.services.mozilla.com/D166489
This commit is contained in:
Adam Vandolder
2023-01-17 16:11:06 +00:00
parent 75384df64c
commit 65a2df9059
21 changed files with 92 additions and 117 deletions
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20
docshell/base/nsDocShell.cpp
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@@ -12958,10 +12958,12 @@ bool nsDocShell::ShouldOpenInBlankTarget(const nsAString& aOriginalTarget,
: !linkHost.Equals("www."_ns + docHost);
}
static bool IsElementAnchorOrArea(nsIContent* aContent) {
// Make sure we are dealing with either an <A> or <AREA> element in the HTML
// or XHTML namespace.
return aContent->IsAnyOfHTMLElements(nsGkAtoms::a, nsGkAtoms::area);
static bool ElementCanHaveNoopener(nsIContent* aContent) {
// Make sure we are dealing with either an <A>, <AREA>, or <FORM> element in
// the HTML, XHTML, or SVG namespace.
return aContent->IsAnyOfHTMLElements(nsGkAtoms::a, nsGkAtoms::area,
nsGkAtoms::form) ||
aContent->IsSVGElement(nsGkAtoms::a);
}
nsresult nsDocShell::OnLinkClickSync(nsIContent* aContent,
@@ -13020,11 +13022,11 @@ nsresult nsDocShell::OnLinkClickSync(nsIContent* aContent,
}
uint32_t flags = INTERNAL_LOAD_FLAGS_NONE;
bool isElementAnchorOrArea = IsElementAnchorOrArea(aContent);
bool elementCanHaveNoopener = ElementCanHaveNoopener(aContent);
bool triggeringPrincipalIsSystemPrincipal =
aLoadState->TriggeringPrincipal()->IsSystemPrincipal();
if (isElementAnchorOrArea) {
MOZ_ASSERT(aContent->IsHTMLElement());
if (elementCanHaveNoopener) {
MOZ_ASSERT(aContent->IsHTMLElement() || aContent->IsSVGElement());
nsAutoString relString;
aContent->AsElement()->GetAttr(kNameSpaceID_None, nsGkAtoms::rel,
relString);
@@ -13107,8 +13109,8 @@ nsresult nsDocShell::OnLinkClickSync(nsIContent* aContent,
uint32_t loadType = inOnLoadHandler ? LOAD_NORMAL_REPLACE : LOAD_LINK;
nsCOMPtr<nsIReferrerInfo> referrerInfo =
isElementAnchorOrArea ? new ReferrerInfo(*aContent->AsElement())
: new ReferrerInfo(*referrerDoc);
elementCanHaveNoopener ? new ReferrerInfo(*aContent->AsElement())
: new ReferrerInfo(*referrerDoc);
RefPtr<WindowContext> context = mBrowsingContext->GetCurrentWindowContext();
aLoadState->SetTriggeringSandboxFlags(triggeringSandboxFlags);