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7cdbab4b1e
The logic for choosing the principal here was originally written before loadInfo had a separate principalToInherit field, and we needed to specify it via the triggeringPrincipal instead. At that point, we had to choose a component principal with permission to load the URI at the start of the request. However, now that we have a separate field for the principal to inherit, it's only needed after access checks have passed and we know that we have a URI which inherits a principal. In that case, the current logic causes us to always inherit the first principal in the whitelist (which is the page principal) for URIs (such as data: URIs) that always inherit, where we really want to inherit the last (which is the extension principal). MozReview-Commit-ID: EPoUNuOCwrH --HG-- extra : rebase_source : 535083e3dd4598ac4e8ea187d27d61ac2ac48476
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ExpandedPrincipal_h
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#define ExpandedPrincipal_h
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#include "nsCOMPtr.h"
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#include "nsJSPrincipals.h"
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#include "nsTArray.h"
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#include "nsNetUtil.h"
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#include "mozilla/BasePrincipal.h"
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class ExpandedPrincipal : public nsIExpandedPrincipal
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, public mozilla::BasePrincipal
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{
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public:
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static already_AddRefed<ExpandedPrincipal>
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Create(nsTArray<nsCOMPtr<nsIPrincipal>>& aWhiteList,
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const mozilla::OriginAttributes& aAttrs);
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static PrincipalKind Kind() { return eExpandedPrincipal; }
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NS_DECL_NSIEXPANDEDPRINCIPAL
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NS_DECL_NSISERIALIZABLE
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NS_IMETHOD_(MozExternalRefCountType) AddRef() override { return nsJSPrincipals::AddRef(); };
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NS_IMETHOD_(MozExternalRefCountType) Release() override { return nsJSPrincipals::Release(); };
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
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NS_IMETHOD GetHashValue(uint32_t* aHashValue) override;
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NS_IMETHOD GetURI(nsIURI** aURI) override;
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NS_IMETHOD GetDomain(nsIURI** aDomain) override;
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NS_IMETHOD SetDomain(nsIURI* aDomain) override;
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NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
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NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
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virtual bool AddonHasPermission(const nsAtom* aPerm) override;
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virtual nsresult GetScriptLocation(nsACString &aStr) override;
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// Returns the principal to inherit when this principal requests the given
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// URL. See BasePrincipal::PrincipalToInherit.
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nsIPrincipal* PrincipalToInherit(nsIURI* aRequestedURI = nullptr);
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protected:
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explicit ExpandedPrincipal(nsTArray<nsCOMPtr<nsIPrincipal>> &aWhiteList);
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virtual ~ExpandedPrincipal();
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bool SubsumesInternal(nsIPrincipal* aOther,
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DocumentDomainConsideration aConsideration) override;
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bool MayLoadInternal(nsIURI* aURI) override;
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private:
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nsTArray< nsCOMPtr<nsIPrincipal> > mPrincipals;
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};
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#define NS_EXPANDEDPRINCIPAL_CONTRACTID "@mozilla.org/expandedprincipal;1"
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#define NS_EXPANDEDPRINCIPAL_CID \
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{ 0xe8ee88b0, 0x5571, 0x4086, \
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{ 0xa4, 0x5b, 0x39, 0xa7, 0x16, 0x90, 0x6b, 0xdb } }
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#endif // ExpandedPrincipal_h
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