280 lines
7.6 KiB
C++
280 lines
7.6 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 Mark Roszko <mark.roszko@gmail.com>
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* Copyright (C) 2015-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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// kicad_curl_easy.h **must be** included before any wxWidgets header to avoid conflicts
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// at least on Windows/msys2
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#include <curl/curl.h>
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#include <curl/easy.h>
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#include <kicad_curl/kicad_curl.h>
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#include <kicad_curl/kicad_curl_easy.h>
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#include <cstdarg>
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#include <cstddef>
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#include <exception>
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#include <sstream>
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#include <wx/app.h>
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#include <build_version.h>
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#include <ki_exception.h> // THROW_IO_ERROR
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#include <kiplatform/app.h>
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#include <kiplatform/environment.h>
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#include <pgm_base.h>
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struct CURL_PROGRESS
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{
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KICAD_CURL_EASY* curl;
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TRANSFER_CALLBACK callback;
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curl_off_t last_run_time;
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curl_off_t interval;
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CURL_PROGRESS( KICAD_CURL_EASY* c, TRANSFER_CALLBACK cb, curl_off_t i ) :
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curl( c ), callback( cb ), last_run_time( 0 ), interval( i )
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{
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}
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};
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static size_t write_callback( void* contents, size_t size, size_t nmemb, void* userp )
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{
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size_t realsize = size * nmemb;
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std::string* p = (std::string*) userp;
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p->append( (const char*) contents, realsize );
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return realsize;
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}
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static size_t stream_write_callback( void* contents, size_t size, size_t nmemb, void* userp )
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{
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size_t realsize = size * nmemb;
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std::ostream* p = (std::ostream*) userp;
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p->write( (const char*) contents, realsize );
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return realsize;
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}
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static int xferinfo( void* p, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal,
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curl_off_t ulnow )
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{
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CURL_PROGRESS* progress = (CURL_PROGRESS*) p;
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curl_off_t curtime = 0;
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curl_easy_getinfo( progress->curl->GetCurl(), CURLINFO_TOTAL_TIME, &curtime );
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if( curtime - progress->last_run_time >= progress->interval )
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{
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progress->last_run_time = curtime;
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return progress->callback( dltotal, dlnow, ultotal, ulnow );
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}
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return CURLE_OK;
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}
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KICAD_CURL_EASY::KICAD_CURL_EASY() : m_headers( nullptr )
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{
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// Call KICAD_CURL::Init() from in here every time, but only the first time
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// will incur any overhead. This strategy ensures that libcurl is never loaded
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// unless it is needed.
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KICAD_CURL::Init();
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m_CURL = curl_easy_init();
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if( !m_CURL )
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{
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THROW_IO_ERROR( "Unable to initialize CURL session" );
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}
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curl_easy_setopt( m_CURL, CURLOPT_WRITEFUNCTION, write_callback );
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curl_easy_setopt( m_CURL, CURLOPT_WRITEDATA, (void*) &m_buffer );
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// Only allow HTTP and HTTPS protocols
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curl_easy_setopt( m_CURL, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
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wxPlatformInfo platformInfo;
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wxString application( Pgm().App().GetAppName() );
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wxString version( GetBuildVersion() );
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wxString platform = "(" + wxGetOsDescription() + ";" + GetPlatformGetBitnessName();
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#if defined( KICAD_BUILD_ARCH_X64 )
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platform << ";64-bit";
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#elif defined( KICAD_BUILD_ARCH_X86 )
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platform << ";32-bit";
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#elif defined( KICAD_BUILD_ARCH_ARM )
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platform << ";ARM 32-bit";
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#elif defined( KICAD_BUILD_ARCH_ARM64 )
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platform << ";ARM 64-bit";
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#endif
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platform << ")";
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wxString user_agent = "KiCad/" + version + " " + platform + " " + application;
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user_agent << "/" << GetBuildDate();
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setOption<const char*>( CURLOPT_USERAGENT, user_agent.ToStdString().c_str() );
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setOption( CURLOPT_ACCEPT_ENCODING, "gzip,deflate" );
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}
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KICAD_CURL_EASY::~KICAD_CURL_EASY()
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{
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if( m_headers )
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curl_slist_free_all( m_headers );
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curl_easy_cleanup( m_CURL );
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}
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int KICAD_CURL_EASY::Perform()
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{
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if( m_headers )
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{
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curl_easy_setopt( m_CURL, CURLOPT_HTTPHEADER, m_headers );
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}
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// bonus: retain worst case memory allocation, should re-use occur
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m_buffer.clear();
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CURLcode res = curl_easy_perform( m_CURL );
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return res;
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}
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void KICAD_CURL_EASY::SetHeader( const std::string& aName, const std::string& aValue )
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{
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std::string header = aName + ':' + aValue;
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m_headers = curl_slist_append( m_headers, header.c_str() );
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}
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template <typename T>
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int KICAD_CURL_EASY::setOption( int aOption, T aArg )
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{
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return curl_easy_setopt( m_CURL, (CURLoption) aOption, aArg );
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}
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const std::string KICAD_CURL_EASY::GetErrorText( int aCode )
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{
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return curl_easy_strerror( (CURLcode) aCode );
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}
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bool KICAD_CURL_EASY::SetUserAgent( const std::string& aAgent )
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{
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if( setOption<const char*>( CURLOPT_USERAGENT, aAgent.c_str() ) == CURLE_OK )
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{
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return true;
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}
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return false;
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}
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bool KICAD_CURL_EASY::SetURL( const std::string& aURL )
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{
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if( setOption<const char*>( CURLOPT_URL, aURL.c_str() ) == CURLE_OK )
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{
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KIPLATFORM::ENV::PROXY_CONFIG cfg;
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// Unforunately on Windows land, proxies can be configured depending on destination url
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// So we also check and set any proxy config here
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if( KIPLATFORM::ENV::GetSystemProxyConfig( aURL, cfg ) )
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{
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curl_easy_setopt( m_CURL, CURLOPT_PROXY, static_cast<const char*>( cfg.host.c_str() ) );
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if( !cfg.username.empty() )
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{
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curl_easy_setopt( m_CURL, CURLOPT_PROXYUSERNAME,
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static_cast<const char*>( cfg.username.c_str() ) );
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}
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if( !cfg.password.empty() )
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{
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curl_easy_setopt( m_CURL, CURLOPT_PROXYPASSWORD,
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static_cast<const char*>( cfg.password.c_str() ) );
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}
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}
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return true;
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}
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return false;
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}
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bool KICAD_CURL_EASY::SetFollowRedirects( bool aFollow )
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{
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if( setOption<long>( CURLOPT_FOLLOWLOCATION, ( aFollow ? 1 : 0 ) ) == CURLE_OK )
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{
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return true;
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}
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return false;
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}
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std::string KICAD_CURL_EASY::Escape( const std::string& aUrl )
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{
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char* escaped = curl_easy_escape( m_CURL, aUrl.c_str(), aUrl.length() );
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std::string ret( escaped );
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curl_free( escaped );
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return ret;
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}
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bool KICAD_CURL_EASY::SetTransferCallback( const TRANSFER_CALLBACK& aCallback, size_t aInterval )
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{
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progress = std::make_unique<CURL_PROGRESS>( this, aCallback, (curl_off_t) aInterval );
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setOption( CURLOPT_XFERINFOFUNCTION, xferinfo );
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setOption( CURLOPT_XFERINFODATA, progress.get() );
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setOption( CURLOPT_NOPROGRESS, 0L );
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return true;
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}
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bool KICAD_CURL_EASY::SetOutputStream( const std::ostream* aOutput )
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{
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curl_easy_setopt( m_CURL, CURLOPT_WRITEFUNCTION, stream_write_callback );
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curl_easy_setopt( m_CURL, CURLOPT_WRITEDATA, (void*) aOutput );
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return true;
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}
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int KICAD_CURL_EASY::GetTransferTotal( uint64_t& aDownloadedBytes ) const
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{
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curl_off_t dl;
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int result = curl_easy_getinfo( m_CURL, CURLINFO_SIZE_DOWNLOAD_T, &dl );
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aDownloadedBytes = (uint64_t) dl;
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return result;
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}
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