From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- netwerk/streamconv/converters/nsHTTPCompressConv.h | 110 +++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 netwerk/streamconv/converters/nsHTTPCompressConv.h (limited to 'netwerk/streamconv/converters/nsHTTPCompressConv.h') diff --git a/netwerk/streamconv/converters/nsHTTPCompressConv.h b/netwerk/streamconv/converters/nsHTTPCompressConv.h new file mode 100644 index 0000000000..c21cb3ebde --- /dev/null +++ b/netwerk/streamconv/converters/nsHTTPCompressConv.h @@ -0,0 +1,110 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set sw=2 ts=8 et tw=80 : */ +/* 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/. */ + +#if !defined(__nsHTTPCompressConv__h__) +# define __nsHTTPCompressConv__h__ 1 + +# include "nsIStreamConverter.h" +# include "nsICompressConvStats.h" +# include "nsIThreadRetargetableStreamListener.h" +# include "nsCOMPtr.h" +# include "mozilla/Atomics.h" +# include "mozilla/Mutex.h" + +# include "zlib.h" + +class nsIStringInputStream; + +# define NS_HTTPCOMPRESSCONVERTER_CID \ + { \ + /* 66230b2b-17fa-4bd3-abf4-07986151022d */ \ + 0x66230b2b, 0x17fa, 0x4bd3, { \ + 0xab, 0xf4, 0x07, 0x98, 0x61, 0x51, 0x02, 0x2d \ + } \ + } + +# define HTTP_DEFLATE_TYPE "deflate" +# define HTTP_GZIP_TYPE "gzip" +# define HTTP_X_GZIP_TYPE "x-gzip" +# define HTTP_COMPRESS_TYPE "compress" +# define HTTP_X_COMPRESS_TYPE "x-compress" +# define HTTP_BROTLI_TYPE "br" +# define HTTP_IDENTITY_TYPE "identity" +# define HTTP_UNCOMPRESSED_TYPE "uncompressed" + +namespace mozilla { +namespace net { + +class BrotliWrapper; + +class nsHTTPCompressConv : public nsIStreamConverter, + public nsICompressConvStats, + public nsIThreadRetargetableStreamListener { + public: + // nsISupports methods + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSISTREAMLISTENER + NS_DECL_NSICOMPRESSCONVSTATS + NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER + + // nsIStreamConverter methods + NS_DECL_NSISTREAMCONVERTER + + nsHTTPCompressConv(); + + using CompressMode = enum { + HTTP_COMPRESS_GZIP, + HTTP_COMPRESS_DEFLATE, + HTTP_COMPRESS_COMPRESS, + HTTP_COMPRESS_BROTLI, + HTTP_COMPRESS_IDENTITY + }; + + private: + virtual ~nsHTTPCompressConv(); + + nsCOMPtr + mListener; // this guy gets the converted data via his OnDataAvailable () + Atomic mMode{HTTP_COMPRESS_IDENTITY}; + + unsigned char* mOutBuffer{nullptr}; + unsigned char* mInpBuffer{nullptr}; + + uint32_t mOutBufferLen{0}; + uint32_t mInpBufferLen{0}; + + UniquePtr mBrotli; + + nsCOMPtr mStream; + + static nsresult BrotliHandler(nsIInputStream* stream, void* closure, + const char* dataIn, uint32_t, uint32_t avail, + uint32_t* countRead); + + nsresult do_OnDataAvailable(nsIRequest* request, uint64_t aSourceOffset, + const char* buffer, uint32_t aCount); + + bool mCheckHeaderDone{false}; + Atomic mStreamEnded{false}; + bool mStreamInitialized{false}; + bool mDummyStreamInitialised{false}; + bool mFailUncleanStops; + + z_stream d_stream{}; + unsigned mLen{0}, hMode{0}, mSkipCount{0}, mFlags{0}; + + uint32_t check_header(nsIInputStream* iStr, uint32_t streamLen, nsresult* rs); + + Atomic mDecodedDataLength{0}; + + mutable mozilla::Mutex mMutex MOZ_UNANNOTATED{"nsHTTPCompressConv"}; +}; + +} // namespace net +} // namespace mozilla + +#endif -- cgit v1.2.3