mirror of https://github.com/vitalif/grive2
refactoring. added namespaces for HTTP functions
parent
9b0597eb08
commit
f4ee21f5e4
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@ -16,6 +16,7 @@ add_executable( grive
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src/protocol/HTTP.cc
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src/protocol/HTTP.cc
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src/protocol/Json.cc
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src/protocol/Json.cc
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src/protocol/OAuth2.cc
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src/protocol/OAuth2.cc
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src/util/Crypt.cc
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src/util/DateTime.cc
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src/util/DateTime.cc
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src/util/OS.cc
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src/util/OS.cc
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)
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)
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@ -22,19 +22,15 @@
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#include "protocol/HTTP.hh"
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#include "protocol/HTTP.hh"
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#include "protocol/Json.hh"
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#include "protocol/Json.hh"
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#include "protocol/OAuth2.hh"
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#include "protocol/OAuth2.hh"
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#include "util/Crypt.hh"
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#include "util/DateTime.hh"
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#include "util/DateTime.hh"
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#include "util/OS.hh"
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#include "util/OS.hh"
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// dependent libraries
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#include <openssl/evp.h>
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// standard C++ library
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// standard C++ library
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#include <algorithm>
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#include <algorithm>
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#include <cassert>
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#include <cassert>
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#include <fstream>
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#include <fstream>
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#include <iomanip>
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#include <map>
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#include <map>
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#include <sstream>
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// for debugging only
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// for debugging only
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#include <iostream>
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#include <iostream>
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@ -43,30 +39,6 @@ namespace gr {
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const std::string root_url = "https://docs.google.com/feeds/default/private/full" ;
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const std::string root_url = "https://docs.google.com/feeds/default/private/full" ;
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std::string MD5( std::streambuf *file )
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{
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char buf[64 * 1024] ;
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EVP_MD_CTX md ;
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EVP_MD_CTX_init( &md );
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EVP_DigestInit_ex( &md, EVP_md5(), 0 ) ;
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std::size_t count = 0 ;
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while ( (count = file->sgetn( buf, sizeof(buf) )) > 0 )
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{
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EVP_DigestUpdate( &md, buf, count ) ;
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}
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unsigned int md5_size = EVP_MAX_MD_SIZE ;
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unsigned char md5[EVP_MAX_MD_SIZE] ;
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EVP_DigestFinal_ex( &md, md5, &md5_size ) ;
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std::ostringstream ss ;
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for ( unsigned int i = 0 ; i < md5_size ; i++ )
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ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(md5[i]) ;
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return ss.str() ;
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}
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Drive::Drive( OAuth2& auth ) :
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Drive::Drive( OAuth2& auth ) :
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m_auth( auth ),
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m_auth( auth ),
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m_root( ".", "https://docs.google.com/feeds/default/private/full/folder%3Aroot" )
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m_root( ".", "https://docs.google.com/feeds/default/private/full/folder%3Aroot" )
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@ -75,7 +47,7 @@ Drive::Drive( OAuth2& auth ) :
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m_http_hdr.push_back( "GData-Version: 3.0" ) ;
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m_http_hdr.push_back( "GData-Version: 3.0" ) ;
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Json resp = Json::Parse(HttpGet( root_url + "?alt=json&showfolders=true", m_http_hdr )) ;
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Json resp = Json::Parse( http::Get( root_url + "?alt=json&showfolders=true", m_http_hdr )) ;
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Json::Array entries = resp["feed"]["entry"].As<Json::Array>() ;
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Json::Array entries = resp["feed"]["entry"].As<Json::Array>() ;
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ConstructDirTree( entries ) ;
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ConstructDirTree( entries ) ;
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@ -182,8 +154,8 @@ void Drive::UpdateFile( const Json& entry )
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if ( entry.Has( "docs$filename" ) )
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if ( entry.Has( "docs$filename" ) )
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{
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{
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// use title as the filename
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// use title as the filename
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std::string filename = entry["docs$filename"]["$t"].As() ;
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std::string filename = entry["docs$filename"]["$t"].Get() ;
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std::string url = entry["content"]["src"].As() ;
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std::string url = entry["content"]["src"].Get() ;
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std::string parent_href = Parent( entry ) ;
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std::string parent_href = Parent( entry ) ;
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bool changed = true ;
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bool changed = true ;
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@ -204,7 +176,7 @@ void Drive::UpdateFile( const Json& entry )
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if ( ifile && entry.Has("docs$md5Checksum") )
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if ( ifile && entry.Has("docs$md5Checksum") )
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{
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{
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std::string remote_md5 = entry["docs$md5Checksum"]["$t"].As<std::string>() ;
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std::string remote_md5 = entry["docs$md5Checksum"]["$t"].As<std::string>() ;
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std::string local_md5 = MD5( ifile.rdbuf() ) ;
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std::string local_md5 = crypt::MD5( ifile.rdbuf() ) ;
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std::transform( remote_md5.begin(), remote_md5.end(), remote_md5.begin(), tolower ) ;
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std::transform( remote_md5.begin(), remote_md5.end(), remote_md5.begin(), tolower ) ;
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if ( local_md5 == remote_md5 )
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if ( local_md5 == remote_md5 )
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@ -221,7 +193,7 @@ void Drive::UpdateFile( const Json& entry )
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if ( remote > local )
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if ( remote > local )
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{
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{
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std::cout << "downloading " << path << std::endl ;
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std::cout << "downloading " << path << std::endl ;
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HttpGetFile( url, path, m_http_hdr ) ;
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http::GetFile( url, path, m_http_hdr ) ;
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os::SetFileTime( path, remote ) ;
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os::SetFileTime( path, remote ) ;
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}
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}
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else
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else
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@ -241,7 +213,7 @@ void Drive::UploadFile( const Json& entry )
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"http://schemas.google.com/g/2005#resumable-edit-media" )["href"] ;
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"http://schemas.google.com/g/2005#resumable-edit-media" )["href"] ;
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std::cout << resume_link.As<std::string>() << std::endl ;
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std::cout << resume_link.As<std::string>() << std::endl ;
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std::string resp = HttpPut( resume_link.As(), "" ) ;
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std::string resp = http::Put( resume_link.Get(), "", m_http_hdr ) ;
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std::cout << "resp " << resp ;
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std::cout << "resp " << resp ;
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}
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}
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@ -31,19 +31,9 @@
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#include <sstream>
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#include <sstream>
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#include <streambuf>
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#include <streambuf>
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namespace gr {
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namespace {
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HttpException::HttpException( int curl_code, int http_code, const char *err_buf )
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using namespace gr::http ;
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: runtime_error( Format( curl_code, http_code, err_buf ) )
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{
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}
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std::string HttpException::Format( int curl_code, int http_code, const char *err_buf )
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{
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std::ostringstream ss ;
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ss << "CURL code = " << curl_code << " HTTP code = " << http_code << " (" << err_buf << ")" ;
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return ss.str() ;
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}
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// libcurl callback to append to a string
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// libcurl callback to append to a string
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std::size_t WriteCallback( char *data, size_t size, size_t nmemb, std::string *resp )
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std::size_t WriteCallback( char *data, size_t size, size_t nmemb, std::string *resp )
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@ -109,16 +99,32 @@ void DoCurl( CURL *curl )
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if ( curl_code != CURLE_OK )
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if ( curl_code != CURLE_OK )
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{
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{
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throw HttpException( curl_code, http_code, error_buf ) ;
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throw Exception( curl_code, http_code, error_buf ) ;
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}
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}
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else if (http_code >= 400 )
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else if (http_code >= 400 )
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{
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{
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std::cout << "http error " << http_code << std::endl ;
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std::cout << "http error " << http_code << std::endl ;
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throw HttpException( curl_code, http_code, error_buf ) ;
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throw Exception( curl_code, http_code, error_buf ) ;
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}
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}
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}
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}
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std::string HttpGet( const std::string& url, const Headers& hdr )
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} // end of local namespace
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namespace gr { namespace http {
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Exception::Exception( int curl_code, int http_code, const char *err_buf )
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: runtime_error( Format( curl_code, http_code, err_buf ) )
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{
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}
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std::string Exception::Format( int curl_code, int http_code, const char *err_buf )
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{
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std::ostringstream ss ;
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ss << "CURL code = " << curl_code << " HTTP code = " << http_code << " (" << err_buf << ")" ;
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return ss.str() ;
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}
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std::string Get( const std::string& url, const Headers& hdr )
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{
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{
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std::string resp ;
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std::string resp ;
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CURL *curl = InitCurl( url, &resp, hdr ) ;
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CURL *curl = InitCurl( url, &resp, hdr ) ;
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@ -127,7 +133,7 @@ std::string HttpGet( const std::string& url, const Headers& hdr )
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return resp;
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return resp;
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}
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}
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void HttpGetFile(
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void GetFile(
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const std::string& url,
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const std::string& url,
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const std::string& filename,
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const std::string& filename,
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const Headers& hdr )
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const Headers& hdr )
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DoCurl( curl ) ;
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DoCurl( curl ) ;
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}
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}
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void HttpGetFile(
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void GetFile(
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const std::string& url,
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const std::string& url,
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const std::string& filename,
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const std::string& filename,
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std::string& md5sum,
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std::string& md5sum,
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{
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{
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}
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}
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std::string HttpPostData( const std::string& url, const std::string& data, const Headers& hdr )
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std::string PostData( const std::string& url, const std::string& data, const Headers& hdr )
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{
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{
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std::string resp ;
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std::string resp ;
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CURL *curl = InitCurl( url, &resp, hdr ) ;
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CURL *curl = InitCurl( url, &resp, hdr ) ;
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return resp;
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return resp;
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}
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}
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std::string HttpPostFile( const std::string& url, const std::string& filename, const Headers& hdr )
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std::string PostFile( const std::string& url, const std::string& filename, const Headers& hdr )
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{
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{
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std::string resp ;
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std::string resp ;
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return resp;
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return resp;
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}
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}
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std::string HttpPut(
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std::string Put(
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const std::string& url,
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const std::string& url,
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const std::string& data,
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const std::string& data,
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const Headers& hdr )
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const Headers& hdr )
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@ -216,4 +222,4 @@ std::string Unescape( const std::string& str )
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return result ;
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return result ;
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}
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}
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}
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} } // end of namespace
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@ -23,44 +23,46 @@
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#include <stdexcept>
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#include <stdexcept>
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#include <vector>
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#include <vector>
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namespace gr
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namespace gr { namespace http
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{
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{
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typedef std::vector<std::string> Headers ;
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typedef std::vector<std::string> Headers ;
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std::string HttpGet( const std::string& url, const Headers& hdr = Headers() ) ;
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std::string Get( const std::string& url, const Headers& hdr = Headers() ) ;
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void HttpGetFile(
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void GetFile(
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const std::string& url,
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const std::string& url,
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const std::string& filename,
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const std::string& filename,
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const Headers& hdr = Headers() ) ;
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const Headers& hdr = Headers() ) ;
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void HttpGetFile(
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void GetFile(
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const std::string& url,
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const std::string& url,
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const std::string& filename,
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const std::string& filename,
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std::string& md5sum,
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std::string& md5sum,
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const Headers& hdr = Headers() ) ;
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const Headers& hdr = Headers() ) ;
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std::string HttpPostData(
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std::string PostData(
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const std::string& url,
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const std::string& url,
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const std::string& data,
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const std::string& data,
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const Headers& hdr = Headers() ) ;
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const Headers& hdr = Headers() ) ;
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std::string HttpPostFile(
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std::string PostFile(
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const std::string& url,
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const std::string& url,
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const std::string& filename,
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const std::string& filename,
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const Headers& hdr = Headers() ) ;
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const Headers& hdr = Headers() ) ;
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std::string HttpPut(
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std::string Put(
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const std::string& url,
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const std::string& url,
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const std::string& data,
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const Headers& hdr = Headers() ) ;
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const Headers& hdr = Headers() ) ;
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std::string Escape( const std::string& str ) ;
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std::string Escape( const std::string& str ) ;
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std::string Unescape( const std::string& str ) ;
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std::string Unescape( const std::string& str ) ;
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class HttpException : public std::runtime_error
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class Exception : public std::runtime_error
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{
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{
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public :
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public :
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HttpException( int curl_code, int http_code, const char *err_buf ) ;
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Exception( int curl_code, int http_code, const char *err_buf ) ;
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private :
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private :
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static std::string Format( int curl_code, int http_code, const char *err_buf ) ;
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static std::string Format( int curl_code, int http_code, const char *err_buf ) ;
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} ;
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} ;
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}
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} } // end of namespace
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@ -138,9 +138,18 @@ void Json::Add( const std::string& key, const Json& json )
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::json_object_object_add( m_json, key.c_str(), json.m_json ) ;
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::json_object_object_add( m_json, key.c_str(), json.m_json ) ;
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}
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}
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Json::Proxy Json::As() const
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template <>
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bool Json::As<bool>() const
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{
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{
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return Proxy( *this ) ;
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assert( m_json != 0 ) ;
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return ::json_object_get_boolean( m_json ) ;
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}
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template <>
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bool Json::Is<bool>() const
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{
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assert( m_json != 0 ) ;
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return ::json_object_is_type( m_json, json_type_boolean ) ;
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}
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}
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template <>
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template <>
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@ -248,4 +257,34 @@ bool Json::FindInArray( const std::string& key, const std::string& value, Json&
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}
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}
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}
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}
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Json::Proxy Json::Get() const
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{
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return Proxy( *this ) ;
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}
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Json::Proxy::operator bool() const
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{
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return referring.As<bool>() ;
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}
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Json::Proxy::operator int() const
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{
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return referring.As<int>() ;
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}
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Json::Proxy::operator Object() const
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{
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return referring.As<Object>() ;
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}
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Json::Proxy::operator Array() const
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{
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return referring.As<Array>() ;
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}
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Json::Proxy::operator std::string() const
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{
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return referring.As<std::string>() ;
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}
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}
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}
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@ -56,9 +56,13 @@ public :
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{
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{
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const Json& referring ;
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const Json& referring ;
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explicit Proxy( const Json& j ) : referring( j ) { }
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explicit Proxy( const Json& j ) : referring( j ) { }
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template <typename T> operator T() const { return referring.As<T>() ; }
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operator bool() const ;
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operator int() const ;
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operator Object() const ;
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operator Array() const ;
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operator std::string() const ;
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} ;
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} ;
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Proxy As() const ;
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Proxy Get() const ;
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template <typename T>
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template <typename T>
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bool Is() const ;
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bool Is() const ;
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|
|
@ -57,7 +57,7 @@ void OAuth2::Auth( const std::string& auth_code )
|
||||||
"&redirect_uri=" + "urn:ietf:wg:oauth:2.0:oob" +
|
"&redirect_uri=" + "urn:ietf:wg:oauth:2.0:oob" +
|
||||||
"&grant_type=authorization_code" ;
|
"&grant_type=authorization_code" ;
|
||||||
|
|
||||||
Json resp = Json::Parse( HttpPostData( token_url, post ) ) ;
|
Json resp = Json::Parse( http::PostData( token_url, post ) ) ;
|
||||||
m_access = resp["access_token"].As<std::string>() ;
|
m_access = resp["access_token"].As<std::string>() ;
|
||||||
m_refresh = resp["refresh_token"].As<std::string>() ;
|
m_refresh = resp["refresh_token"].As<std::string>() ;
|
||||||
}
|
}
|
||||||
|
@ -66,6 +66,8 @@ std::string OAuth2::MakeAuthURL(
|
||||||
const std::string& client_id,
|
const std::string& client_id,
|
||||||
const std::string& state )
|
const std::string& state )
|
||||||
{
|
{
|
||||||
|
using gr::http::Escape ;
|
||||||
|
|
||||||
return "https://accounts.google.com/o/oauth2/auth"
|
return "https://accounts.google.com/o/oauth2/auth"
|
||||||
"?scope=" +
|
"?scope=" +
|
||||||
Escape( "https://www.googleapis.com/auth/userinfo.email" ) + "+" +
|
Escape( "https://www.googleapis.com/auth/userinfo.email" ) + "+" +
|
||||||
|
@ -86,7 +88,7 @@ void OAuth2::Refresh( )
|
||||||
"&client_secret=" + m_client_secret +
|
"&client_secret=" + m_client_secret +
|
||||||
"&grant_type=refresh_token" ;
|
"&grant_type=refresh_token" ;
|
||||||
|
|
||||||
Json resp = Json::Parse( HttpPostData( token_url, post ) ) ;
|
Json resp = Json::Parse( http::PostData( token_url, post ) ) ;
|
||||||
m_access = resp["access_token"].As<std::string>() ;
|
m_access = resp["access_token"].As<std::string>() ;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,55 @@
|
||||||
|
/*
|
||||||
|
grive: an GPL program to sync a local directory with Google Drive
|
||||||
|
Copyright (C) 2012 Wan Wai Ho
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU General Public License
|
||||||
|
as published by the Free Software Foundation version 2
|
||||||
|
of the License.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "Crypt.hh"
|
||||||
|
|
||||||
|
#include <iomanip>
|
||||||
|
#include <sstream>
|
||||||
|
|
||||||
|
// dependent libraries
|
||||||
|
#include <openssl/evp.h>
|
||||||
|
|
||||||
|
namespace gr { namespace crypt {
|
||||||
|
|
||||||
|
std::string MD5( std::streambuf *file )
|
||||||
|
{
|
||||||
|
char buf[64 * 1024] ;
|
||||||
|
EVP_MD_CTX md ;
|
||||||
|
EVP_MD_CTX_init( &md );
|
||||||
|
EVP_DigestInit_ex( &md, EVP_md5(), 0 ) ;
|
||||||
|
|
||||||
|
std::size_t count = 0 ;
|
||||||
|
while ( (count = file->sgetn( buf, sizeof(buf) )) > 0 )
|
||||||
|
{
|
||||||
|
EVP_DigestUpdate( &md, buf, count ) ;
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned int md5_size = EVP_MAX_MD_SIZE ;
|
||||||
|
unsigned char md5[EVP_MAX_MD_SIZE] ;
|
||||||
|
EVP_DigestFinal_ex( &md, md5, &md5_size ) ;
|
||||||
|
|
||||||
|
// format the MD5 string
|
||||||
|
std::ostringstream ss ;
|
||||||
|
for ( unsigned int i = 0 ; i < md5_size ; i++ )
|
||||||
|
ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(md5[i]) ;
|
||||||
|
|
||||||
|
return ss.str() ;
|
||||||
|
}
|
||||||
|
|
||||||
|
} } // end of namespaces
|
|
@ -0,0 +1,32 @@
|
||||||
|
/*
|
||||||
|
grive: an GPL program to sync a local directory with Google Drive
|
||||||
|
Copyright (C) 2012 Wan Wai Ho
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU General Public License
|
||||||
|
as published by the Free Software Foundation version 2
|
||||||
|
of the License.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <string>
|
||||||
|
#include <iosfwd>
|
||||||
|
|
||||||
|
namespace gr {
|
||||||
|
|
||||||
|
namespace crypt
|
||||||
|
{
|
||||||
|
std::string MD5( std::streambuf *file ) ;
|
||||||
|
}
|
||||||
|
|
||||||
|
} // end of namespace gr
|
Loading…
Reference in New Issue