41 lines
1009 B
C++
41 lines
1009 B
C++
/* 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 https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ResourceHasher_h
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#define mozilla_dom_ResourceHasher_h
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#include "nsCOMPtr.h"
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#include "nsICryptoHash.h"
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#include "nsString.h"
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namespace mozilla::dom {
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class ResourceHasher final {
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public:
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NS_INLINE_DECL_REFCOUNTING(ResourceHasher)
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// Create a hasher.
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static already_AddRefed<ResourceHasher> Init();
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// Update hash with new data
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nsresult Update(const uint8_t* aData, uint32_t aLength);
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// Finalize and get the hash as base64 string
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nsresult Finish();
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const nsACString& GetHash() const { return mComputedHash; }
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private:
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explicit ResourceHasher(nsICryptoHash* aCrypto);
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~ResourceHasher() = default;
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nsCOMPtr<nsICryptoHash> mCrypto;
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nsCString mComputedHash;
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bool mFinalized;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_ResourceHasher_h
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