From f7d50cbaa8704573500d349d0bceef366075c21d Mon Sep 17 00:00:00 2001 From: Jeffrey Date: Fri, 22 Apr 2022 14:32:56 -0500 Subject: [PATCH] EPEE: Remove gzip_encoding.h --- contrib/epee/include/gzip_encoding.h | 227 ------------------------- contrib/epee/include/net/http_client.h | 11 +- 2 files changed, 1 insertion(+), 237 deletions(-) delete mode 100644 contrib/epee/include/gzip_encoding.h diff --git a/contrib/epee/include/gzip_encoding.h b/contrib/epee/include/gzip_encoding.h deleted file mode 100644 index 2be51e77d..000000000 --- a/contrib/epee/include/gzip_encoding.h +++ /dev/null @@ -1,227 +0,0 @@ -// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. -// * Neither the name of the Andrey N. Sabelnikov nor the -// names of its contributors may be used to endorse or promote products -// derived from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY -// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// - - - - -#ifndef _GZIP_ENCODING_H_ -#define _GZIP_ENCODING_H_ -#include "net/http_client_base.h" -#include "zlib/zlib.h" -//#include "http.h" - - -namespace epee -{ -namespace net_utils -{ - - - - class content_encoding_gzip: public i_sub_handler - { - public: - /*! \brief - * Function content_encoding_gzip : Constructor - * - */ - inline - content_encoding_gzip(i_target_handler* powner_filter, bool is_deflate_mode = false):m_powner_filter(powner_filter), - m_is_stream_ended(false), - m_is_deflate_mode(is_deflate_mode), - m_is_first_update_in(true) - { - memset(&m_zstream_in, 0, sizeof(m_zstream_in)); - memset(&m_zstream_out, 0, sizeof(m_zstream_out)); - int ret = 0; - if(is_deflate_mode) - { - ret = inflateInit(&m_zstream_in); - ret = deflateInit(&m_zstream_out, Z_DEFAULT_COMPRESSION); - }else - { - ret = inflateInit2(&m_zstream_in, 0x1F); - ret = deflateInit2(&m_zstream_out, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 0x1F, 8, Z_DEFAULT_STRATEGY); - } - } - /*! \brief - * Function content_encoding_gzip : Destructor - * - */ - inline - ~content_encoding_gzip() - { - inflateEnd(& m_zstream_in ); - deflateEnd(& m_zstream_out ); - } - /*! \brief - * Function update_in : Entry point for income data - * - */ - inline - virtual bool update_in( std::string& piece_of_transfer) - { - - bool is_first_time_here = m_is_first_update_in; - m_is_first_update_in = false; - - if(m_pre_decode.size()) - m_pre_decode += piece_of_transfer; - else - m_pre_decode.swap(piece_of_transfer); - piece_of_transfer.clear(); - - std::string decode_summary_buff; - - size_t ungzip_size = m_pre_decode.size() * 0x30; - std::string current_decode_buff(ungzip_size, 'X'); - - //Here the cycle is introduced where we unpack the buffer, the cycle is required - //because of the case where if after unpacking the data will exceed the awaited size, we will not halt with error - bool continue_unpacking = true; - bool first_step = true; - while(m_pre_decode.size() && continue_unpacking) - { - - //fill buffers - m_zstream_in.next_in = (Bytef*)m_pre_decode.data(); - m_zstream_in.avail_in = (uInt)m_pre_decode.size(); - m_zstream_in.next_out = (Bytef*)current_decode_buff.data(); - m_zstream_in.avail_out = (uInt)ungzip_size; - - int flag = Z_SYNC_FLUSH; - int ret = inflate(&m_zstream_in, flag); - CHECK_AND_ASSERT_MES(ret>=0 || m_zstream_in.avail_out ||m_is_deflate_mode, false, "content_encoding_gzip::update_in() Failed to inflate. err = " << ret); - - if(Z_STREAM_END == ret) - m_is_stream_ended = true; - else if(Z_DATA_ERROR == ret && is_first_time_here && m_is_deflate_mode&& first_step) - { - // some servers (notably Apache with mod_deflate) don't generate zlib headers - // insert a dummy header and try again - static char dummy_head[2] = - { - 0x8 + 0x7 * 0x10, - (((0x8 + 0x7 * 0x10) * 0x100 + 30) / 31 * 31) & 0xFF, - }; - inflateReset(&m_zstream_in); - m_zstream_in.next_in = (Bytef*) dummy_head; - m_zstream_in.avail_in = sizeof(dummy_head); - - ret = inflate(&m_zstream_in, Z_NO_FLUSH); - if (ret != Z_OK) - { - LOCAL_ASSERT(0); - m_pre_decode.swap(piece_of_transfer); - return false; - } - m_zstream_in.next_in = (Bytef*)m_pre_decode.data(); - m_zstream_in.avail_in = (uInt)m_pre_decode.size(); - - ret = inflate(&m_zstream_in, Z_NO_FLUSH); - if (ret != Z_OK) - { - LOCAL_ASSERT(0); - m_pre_decode.swap(piece_of_transfer); - return false; - } - } - - - //leave only unpacked part in the output buffer to start with it the next time - m_pre_decode.erase(0, m_pre_decode.size()-m_zstream_in.avail_in); - //if decoder gave nothing to return, then everything is ahead, now simply break - if(ungzip_size == m_zstream_in.avail_out) - break; - - //decode_buff currently stores data parts that were unpacked, fix this size - current_decode_buff.resize(ungzip_size - m_zstream_in.avail_out); - if(decode_summary_buff.size()) - decode_summary_buff += current_decode_buff; - else - current_decode_buff.swap(decode_summary_buff); - - current_decode_buff.resize(ungzip_size); - first_step = false; - } - - //Process these data if required - bool res = true; - - res = m_powner_filter->handle_target_data(decode_summary_buff); - - return true; - - } - /*! \brief - * Function stop : Entry point for stop signal and flushing cached data buffer. - * - */ - inline - virtual void stop(std::string& OUT collect_remains) - { - } - protected: - private: - /*! \brief - * Pointer to parent HTTP-parser - */ - i_target_handler* m_powner_filter; - /*! \brief - * ZLIB object for income stream - */ - z_stream m_zstream_in; - /*! \brief - * ZLIB object for outcome stream - */ - z_stream m_zstream_out; - /*! \brief - * Data that could not be unpacked immediately, left to wait for the next packet of data - */ - std::string m_pre_decode; - /*! \brief - * The data are accumulated for a package in the buffer to send the web client - */ - std::string m_pre_encode; - /*! \brief - * Signals that stream looks like ended - */ - bool m_is_stream_ended; - /*! \brief - * If this flag is set, income data is in HTTP-deflate mode - */ - bool m_is_deflate_mode; - /*! \brief - * Marks that it is a first data packet - */ - bool m_is_first_update_in; - }; -} -} - - - -#endif //_GZIP_ENCODING_H_ diff --git a/contrib/epee/include/net/http_client.h b/contrib/epee/include/net/http_client.h index 056b50fe6..9ce30b620 100644 --- a/contrib/epee/include/net/http_client.h +++ b/contrib/epee/include/net/http_client.h @@ -39,11 +39,6 @@ #include "net_helper.h" #include "http_client_base.h" - -#ifdef HTTP_ENABLE_GZIP -#include "gzip_encoding.h" -#endif - #include "string_tools.h" #include "string_tools_lexical.h" #include "reg_exp_definer.h" @@ -757,13 +752,9 @@ namespace net_utils boost::smatch result; // 12 3 if(boost::regex_search( m_response_info.m_header_info.m_content_encoding, result, rexp_match_gzip, boost::match_default) && result[0].matched) { -#ifdef HTTP_ENABLE_GZIP - m_pcontent_encoding_handler.reset(new content_encoding_gzip(this, result[3].matched)); -#else m_pcontent_encoding_handler.reset(new do_nothing_sub_handler(this)); - LOG_ERROR("GZIP encoding not supported in this build, please add zlib to your project and define HTTP_ENABLE_GZIP"); + LOG_ERROR("GZIP encoding not supported"); return false; -#endif } else {