some code from Parser moved to HeadersParser and to string_functions
git-svn-id: svn://ttmath.org/publicrep/libscorpiohttpserver/trunk@1056 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
parent
c3afe35119
commit
103f4cbc12
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@ -1,6 +1,6 @@
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CXX = g++5
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CXXFLAGS = -g3 -O0 -I/usr/local/include -std=c++11 -I../../pikotools
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CXXFLAGS = -g3 -O0 -std=c++11 -pedantic -Wall -I/usr/local/include -I../../pikotools
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o=$(patsubst %.cpp,%.o,$(wildcard *.cpp))
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name=webserver
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@ -32,6 +32,7 @@ webserver: $(o)
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clean:
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rm -f $(name)
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cleanall: clean
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@cd ../../pikotools && make clean
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@ -1,5 +1,7 @@
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# DO NOT DELETE
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client.o: client.h
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main.o: ./server.h client.h
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server.o: ./server.h client.h
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headers_parser.o: headers_parser.h client.h string_functions.h
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main.o: server.h client.h headers_parser.h
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server.o: server.h client.h headers_parser.h string_functions.h
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string_functions.o: string_functions.h
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@ -45,6 +45,7 @@ Client & Client::operator=(const Client & c)
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in_buffer_max_len = c.in_buffer_max_len;
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parsing_headers = c.parsing_headers;
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parsing_first_header = c.parsing_first_header;
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http_method_str = c.http_method_str;
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http_method = c.http_method;
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http_version = c.http_version;
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url = c.url;
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@ -81,6 +82,7 @@ void Client::PrepareToNewRequest()
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output_buffer_sent = 0;
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close_connection = false;
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http_method_str.clear();
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output_buffer.clear();
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url.clear();
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}
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15
src/client.h
15
src/client.h
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@ -45,11 +45,6 @@ public:
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bool close_connection;
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char * in_buffer; // rename to a better name
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size_t in_buffer_max_len; // at least two characters
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size_t in_buffer_len;
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std::string input_buffer;
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std::string header;
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@ -71,6 +66,16 @@ public:
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void PrepareToNewRequest();
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private:
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char * in_buffer; // rename to a better name
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size_t in_buffer_max_len; // at least two characters
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size_t in_buffer_len;
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std::wstring http_method_str;
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friend class Server;
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friend class HeadersParser;
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};
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@ -0,0 +1,301 @@
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#include <iostream>
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#include <utf8/utf8.h>
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#include "headers_parser.h"
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#include "string_functions.h"
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void HeadersParser::ParseHeaders(Client & client)
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{
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header_index = 0;
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if( !ParseFirstHeader(client) )
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{
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std::cout << "incorrect first header, closing connection" << std::endl;
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client.close_connection = true;
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return;
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}
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// we are testing header_index + 3 < client.input_buffer.size() because we know
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// that the \r\n\r\n sequence already exists in this string
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// so there is no a problem that we leave some characters at the end of the string
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while( header_index + 3 < client.input_buffer.size() &&
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!IsHeadersEnding(client.input_buffer.c_str() + header_index) )
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{
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tmp_header.clear();
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tmp_value.clear();
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if( ParseHeaderKey(client) )
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{
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SkipWhite(client);
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ParseHeaderValue(client);
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TrimWhiteAtEnd(tmp_value);
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std::wcout << L"wczytalem naglowek" << std::endl;
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std::wcout << tmp_header << L"|" << std::endl;
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std::wcout << tmp_value << L"|" << std::endl;
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if( tmp_header.size() > 0 )
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client.in.Add(tmp_header, tmp_value);
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}
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else
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{
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// add some code to skip this line
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}
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}
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}
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// ptr buffer should consists of at least more 3 characters
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bool HeadersParser::IsHeadersEnding(const char * ptr)
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{
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return ptr[0] == '\r' && ptr[0+1] == '\n' &&
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ptr[0+2] == '\r' && ptr[0+3] == '\n';
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}
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bool HeadersParser::ParseFirstHeader(Client & client)
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{
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return ParseFirstHeaderMethodName(client) &&
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ParseFirstHeaderURL(client) &&
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ParseFirstHeaderHTTPVersion(client);
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}
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bool HeadersParser::ParseFirstHeaderMethodName(Client & client)
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{
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wchar_t method_name[32];
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size_t method_name_index = 0;
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while( header_index < client.input_buffer.size() &&
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client.input_buffer[header_index] != '\r' &&
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!IsWhite(client.input_buffer[header_index]) )
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{
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wchar_t c = (unsigned char)client.input_buffer[header_index++];
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method_name[method_name_index++] = c;
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if( method_name_index >= sizeof(method_name) / sizeof(wchar_t) )
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return false;
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}
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method_name[method_name_index++] = 0;
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client.http_method_str = method_name;
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SkipWhite(client);
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return true;
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}
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/*
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* The generic URI syntax mandates that new URI schemes that provide for the representation
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* of character data in a URI must, in effect, represent characters from the unreserved set
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* without translation, and should convert all other characters to bytes according to UTF-8,
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* and then percent-encode those values. This requirement was introduced in January 2005
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* with the publication of RFC 3986. URI schemes introduced before this date are not affected.
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*
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*
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*/
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bool HeadersParser::ParseFirstHeaderURL(Client & client)
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{
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client.url.clear();
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url_ascii.clear();
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while( header_index < client.input_buffer.size() &&
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client.input_buffer[header_index] != '\r' &&
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!IsWhite(client.input_buffer[header_index]) )
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{
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wchar_t c = (unsigned char)client.input_buffer[header_index++];
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if( c == '+' )
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{
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c = ' ';
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}
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else
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if( c == '%' )
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{
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if( header_index + 2 < client.input_buffer.size() )
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{
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wchar_t c1 = ToLower((unsigned char)client.input_buffer[header_index++]);
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wchar_t c2 = ToLower((unsigned char)client.input_buffer[header_index++]);
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if( IsHexDigit(c1) && IsHexDigit(c2) )
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{
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int v1 = HexDigitToValue(c1);
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int v2 = HexDigitToValue(c2);
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c = static_cast<wchar_t>((v1 << 4) + v2);
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}
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else
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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else
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if( c < 32 || c > 127 )
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{
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return false;
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}
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url_ascii += static_cast<char>(c);
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}
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bool utf8_correct = PT::UTF8ToWide(url_ascii, client.url);
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SkipWhite(client);
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url_ascii.clear();
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return utf8_correct && !client.url.empty();
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}
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bool HeadersParser::ParseFirstHeaderHTTPVersion(Client & client)
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{
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client.http_version = http_version_unsupported;
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if( header_index + 7 < client.input_buffer.size() &&
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client.input_buffer[header_index] == 'H' &&
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client.input_buffer[header_index + 1] == 'T' &&
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client.input_buffer[header_index + 2] == 'T' &&
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client.input_buffer[header_index + 3] == 'P' &&
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client.input_buffer[header_index + 4] == '/' &&
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IsDecDigit(client.input_buffer[header_index + 5]) &&
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client.input_buffer[header_index + 6] == '.' &&
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IsDecDigit(client.input_buffer[header_index + 7]) )
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{
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int d1 = client.input_buffer[header_index + 5] - '0';
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int d2 = client.input_buffer[header_index + 7] - '0';
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int ddd1 = client.input_buffer[header_index + 5] - '0';
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int ddd2 = client.input_buffer[header_index + 7] - '0';
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if( d1 == 1 )
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{
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client.http_version = http_version_1_0;
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}
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if( d2 == 1 )
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{
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client.http_version = http_version_1_1;
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}
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if( ddd1 == 1 )
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{
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client.http_version = http_version_1_0;
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}
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if( ddd2 == 1 )
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{
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client.http_version = http_version_1_1;
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}
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if( d1 == 1 )
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{
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if( d2 == 0 )
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client.http_version = http_version_1_0;
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else
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if( d2 == 1 )
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client.http_version = http_version_1_1;
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}
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header_index += 8;
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SkipWhite(client);
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}
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return client.http_version != http_version_unsupported;
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}
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// ParseHeaderKey should increment header_index at least once
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bool HeadersParser::ParseHeaderKey(Client & client)
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{
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while( header_index < client.input_buffer.size() &&
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client.input_buffer[header_index] != '\r' )
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{
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if( client.input_buffer[header_index] == ':' )
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{
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header_index += 1;
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return true;
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}
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wchar_t c = (unsigned char)client.input_buffer[header_index];
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if( c >= 32 && c < 127 )
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{
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// allow only asci characters
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tmp_header += c;
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}
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header_index += 1;
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}
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// there was not a colon at the end of the name
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header_index += 1;
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return false;
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}
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void HeadersParser::ParseHeaderValue(Client & client)
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{
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while( header_index < client.input_buffer.size() )
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{
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if( header_index + 1 < client.input_buffer.size() &&
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client.input_buffer[header_index] == '\r' &&
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client.input_buffer[header_index+1] == '\n' )
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{
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if( header_index + 2 < client.input_buffer.size() &&
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(client.input_buffer[header_index+2] == ' ' ||
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client.input_buffer[header_index+2] == '\t') )
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{
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// this line will be continued in the next line
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header_index += 3;
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}
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else
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{
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header_index += 2;
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break;
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}
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}
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else
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{
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wchar_t c = (unsigned char)client.input_buffer[header_index];
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if( c >= 32 && c < 127 )
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{
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// allow only ascii characters
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tmp_value += c;
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}
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header_index += 1;
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}
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}
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}
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void HeadersParser::SkipWhite(Client & client)
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{
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while( header_index < client.input_buffer.size() &&
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IsWhite(client.input_buffer[header_index]) )
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{
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header_index += 1;
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}
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}
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@ -0,0 +1,37 @@
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#ifndef headerfile_libscorpiohttpserver_src_headers_parser_h
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#define headerfile_libscorpiohttpserver_src_headers_parser_h
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#include "client.h"
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class HeadersParser
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{
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public:
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void ParseHeaders(Client & client);
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bool IsHeadersEnding(const char * ptr);
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private:
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size_t header_index;
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std::wstring tmp_header, tmp_value;
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std::string url_ascii;
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bool ParseFirstHeader(Client & client);
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bool ParseFirstHeaderMethodName(Client & client);
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bool ParseFirstHeaderURL(Client & client);
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bool ParseFirstHeaderHTTPVersion(Client & client);
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bool ParseHeaderKey(Client & client);
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void ParseHeaderValue(Client & client);
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void SkipWhite(Client & client);
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};
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#endif
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392
src/server.cpp
392
src/server.cpp
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#include <fcntl.h>
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#include <utf8/utf8.h>
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#include "server.h"
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#include "string_functions.h"
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@ -16,7 +16,6 @@ Server::Server()
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{
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main_socket = -1;
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close_server = false;
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header_index = 0;
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}
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Server::~Server()
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@ -124,7 +123,7 @@ void Server::Wait()
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}
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else
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{
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ReadInputFromClients();
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ReadWriteToClients();
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}
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}
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}
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@ -207,8 +206,7 @@ int optval;
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}
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// change to a better name as it is used to write to a client too
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void Server::ReadInputFromClients()
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void Server::ReadWriteToClients()
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{
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size_t i = 0;
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@ -257,6 +255,8 @@ void Server::ReadInputFromClient(Client & client)
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char * old_pointer = client.in_buffer + client.in_buffer_len;
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// after adding to client.input_buffer we set in_buffer_len to 0
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// so here is sufficient client.in_buffer (without adding client.in_buffer_len)
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int read_len = read(client.socket, client.in_buffer + client.in_buffer_len, client.in_buffer_max_len - client.in_buffer_len - 1);
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if( read_len < 0 )
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|
@ -265,8 +265,6 @@ void Server::ReadInputFromClient(Client & client)
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std::cout << "read failed" << std::endl;
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client.close_connection = true;
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//RemoveClientSocket(client.socket);
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// do not use client reference anymore
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}
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else
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if( read_len == 0 )
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|
@ -354,9 +352,16 @@ void Server::CheckHeaders(Client & client, size_t input_buffer_index)
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for( ; input_buffer_index + 3 < client.input_buffer.size() ; ++input_buffer_index)
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{
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if( IsHeadersEnding(client.input_buffer.c_str() + input_buffer_index) )
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if( headers_parser.IsHeadersEnding(client.input_buffer.c_str() + input_buffer_index) )
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{
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ParseHeaders(client);
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headers_parser.ParseHeaders(client);
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if( !SelectMethodName(client, client.http_method_str) )
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{
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std::cout << "unsupported http method" << std::endl;
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client.close_connection = true;
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}
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client.parsing_headers = false;
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client.input_buffer.erase(0, input_buffer_index + 4);
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|
@ -377,87 +382,11 @@ void Server::CheckHeaders(Client & client, size_t input_buffer_index)
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}
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|
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// ptr buffer should consists of at least more 3 characters
|
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bool Server::IsHeadersEnding(const char * ptr)
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{
|
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return ptr[0] == '\r' && ptr[0+1] == '\n' &&
|
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ptr[0+2] == '\r' && ptr[0+3] == '\n';
|
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}
|
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|
||||
|
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void Server::ParseHeaders(Client & client)
|
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{
|
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header_index = 0;
|
||||
|
||||
if( !ParseFirstHeader(client) )
|
||||
{
|
||||
std::cout << "incorrect first header, closing connection" << std::endl;
|
||||
client.close_connection = true;
|
||||
return;
|
||||
}
|
||||
|
||||
// we are testing header_index + 3 < client.input_buffer.size() because we know
|
||||
// that the \r\n\r\n sequence already exists in this string
|
||||
// so there is no a problem that we leave some characters at the end of the string
|
||||
while( header_index + 3 < client.input_buffer.size() &&
|
||||
!IsHeadersEnding(client.input_buffer.c_str() + header_index) )
|
||||
{
|
||||
tmp_header.clear();
|
||||
tmp_value.clear();
|
||||
|
||||
if( ParseHeaderKey(client) )
|
||||
{
|
||||
SkipWhite(client);
|
||||
ParseHeaderValue(client);
|
||||
TrimWhiteAtEnd(tmp_value);
|
||||
|
||||
std::wcout << L"wczytalem naglowek" << std::endl;
|
||||
std::wcout << tmp_header << L"|" << std::endl;
|
||||
std::wcout << tmp_value << L"|" << std::endl;
|
||||
|
||||
if( tmp_header.size() > 0 )
|
||||
client.in.Add(tmp_header, tmp_value);
|
||||
}
|
||||
else
|
||||
{
|
||||
// add some code to skip this line
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool Server::ParseFirstHeader(Client & client)
|
||||
{
|
||||
return ParseFirstHeaderMethodName(client) &&
|
||||
ParseFirstHeaderURL(client) &&
|
||||
ParseFirstHeaderHTTPVersion(client);
|
||||
}
|
||||
|
||||
|
||||
bool Server::ParseFirstHeaderMethodName(Client & client)
|
||||
{
|
||||
wchar_t method_name[32];
|
||||
size_t method_name_index = 0;
|
||||
|
||||
while( header_index < client.input_buffer.size() &&
|
||||
client.input_buffer[header_index] != '\r' &&
|
||||
!IsWhite(client.input_buffer[header_index]) )
|
||||
{
|
||||
wchar_t c = (unsigned char)client.input_buffer[header_index++];
|
||||
method_name[method_name_index++] = c;
|
||||
|
||||
if( method_name_index >= sizeof(method_name) / sizeof(wchar_t) )
|
||||
return false;
|
||||
}
|
||||
|
||||
method_name[method_name_index++] = 0;
|
||||
SkipWhite(client);
|
||||
|
||||
return SelectMethodName(client, method_name);
|
||||
}
|
||||
|
||||
|
||||
bool Server::SelectMethodName(Client & client, wchar_t * method_name)
|
||||
bool Server::SelectMethodName(Client & client, const std::wstring & method_name)
|
||||
{
|
||||
client.http_method = http_method_unsupported;
|
||||
|
||||
|
@ -490,202 +419,9 @@ bool Server::SelectMethodName(Client & client, wchar_t * method_name)
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
* The generic URI syntax mandates that new URI schemes that provide for the representation
|
||||
* of character data in a URI must, in effect, represent characters from the unreserved set
|
||||
* without translation, and should convert all other characters to bytes according to UTF-8,
|
||||
* and then percent-encode those values. This requirement was introduced in January 2005
|
||||
* with the publication of RFC 3986. URI schemes introduced before this date are not affected.
|
||||
*
|
||||
*
|
||||
*/
|
||||
bool Server::ParseFirstHeaderURL(Client & client)
|
||||
{
|
||||
client.url.clear();
|
||||
url_ascii.clear();
|
||||
|
||||
while( header_index < client.input_buffer.size() &&
|
||||
client.input_buffer[header_index] != '\r' &&
|
||||
!IsWhite(client.input_buffer[header_index]) )
|
||||
{
|
||||
wchar_t c = (unsigned char)client.input_buffer[header_index++];
|
||||
|
||||
if( c == '+' )
|
||||
{
|
||||
c = ' ';
|
||||
}
|
||||
else
|
||||
if( c == '%' )
|
||||
{
|
||||
if( header_index + 2 < client.input_buffer.size() )
|
||||
{
|
||||
wchar_t c1 = ToLower((unsigned char)client.input_buffer[header_index++]);
|
||||
wchar_t c2 = ToLower((unsigned char)client.input_buffer[header_index++]);
|
||||
|
||||
if( IsHexDigit(c1) && IsHexDigit(c2) )
|
||||
{
|
||||
int v1 = HexDigitToValue(c1);
|
||||
int v2 = HexDigitToValue(c2);
|
||||
|
||||
c = static_cast<wchar_t>((v1 << 4) + v2);
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else
|
||||
if( c < 32 || c > 127 )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
url_ascii += static_cast<char>(c);
|
||||
}
|
||||
|
||||
bool utf8_correct = PT::UTF8ToWide(url_ascii, client.url);
|
||||
|
||||
SkipWhite(client);
|
||||
url_ascii.clear();
|
||||
|
||||
return utf8_correct && !client.url.empty();
|
||||
}
|
||||
|
||||
|
||||
|
||||
bool Server::ParseFirstHeaderHTTPVersion(Client & client)
|
||||
{
|
||||
client.http_version = http_version_unsupported;
|
||||
|
||||
if( header_index + 7 < client.input_buffer.size() &&
|
||||
client.input_buffer[header_index] == 'H' &&
|
||||
client.input_buffer[header_index + 1] == 'T' &&
|
||||
client.input_buffer[header_index + 2] == 'T' &&
|
||||
client.input_buffer[header_index + 3] == 'P' &&
|
||||
client.input_buffer[header_index + 4] == '/' &&
|
||||
IsDecDigit(client.input_buffer[header_index + 5]) &&
|
||||
client.input_buffer[header_index + 6] == '.' &&
|
||||
IsDecDigit(client.input_buffer[header_index + 7]) )
|
||||
{
|
||||
int d1 = client.input_buffer[header_index + 5] - '0';
|
||||
int d2 = client.input_buffer[header_index + 7] - '0';
|
||||
|
||||
int ddd1 = client.input_buffer[header_index + 5] - '0';
|
||||
int ddd2 = client.input_buffer[header_index + 7] - '0';
|
||||
|
||||
if( d1 == 1 )
|
||||
{
|
||||
client.http_version = http_version_1_0;
|
||||
|
||||
}
|
||||
|
||||
if( d2 == 1 )
|
||||
{
|
||||
client.http_version = http_version_1_1;
|
||||
}
|
||||
|
||||
if( ddd1 == 1 )
|
||||
{
|
||||
client.http_version = http_version_1_0;
|
||||
|
||||
}
|
||||
|
||||
if( ddd2 == 1 )
|
||||
{
|
||||
client.http_version = http_version_1_1;
|
||||
}
|
||||
|
||||
if( d1 == 1 )
|
||||
{
|
||||
if( d2 == 0 )
|
||||
client.http_version = http_version_1_0;
|
||||
else
|
||||
if( d2 == 1 )
|
||||
client.http_version = http_version_1_1;
|
||||
}
|
||||
|
||||
header_index += 8;
|
||||
SkipWhite(client);
|
||||
}
|
||||
|
||||
return client.http_version != http_version_unsupported;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// ParseHeaderKey should increment header_index at least once
|
||||
bool Server::ParseHeaderKey(Client & client)
|
||||
{
|
||||
while( header_index < client.input_buffer.size() &&
|
||||
client.input_buffer[header_index] != '\r' )
|
||||
{
|
||||
if( client.input_buffer[header_index] == ':' )
|
||||
{
|
||||
header_index += 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
wchar_t c = (unsigned char)client.input_buffer[header_index];
|
||||
|
||||
if( c >= 32 && c < 127 )
|
||||
{
|
||||
// allow only asci characters
|
||||
|
||||
tmp_header += c;
|
||||
}
|
||||
|
||||
header_index += 1;
|
||||
}
|
||||
|
||||
// there was not a colon at the end of the name
|
||||
header_index += 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
void Server::ParseHeaderValue(Client & client)
|
||||
{
|
||||
while( header_index < client.input_buffer.size() )
|
||||
{
|
||||
if( header_index + 1 < client.input_buffer.size() &&
|
||||
client.input_buffer[header_index] == '\r' &&
|
||||
client.input_buffer[header_index+1] == '\n' )
|
||||
{
|
||||
if( header_index + 2 < client.input_buffer.size() &&
|
||||
(client.input_buffer[header_index+2] == ' ' ||
|
||||
client.input_buffer[header_index+2] == '\t') )
|
||||
{
|
||||
// this line will be continued in the next line
|
||||
header_index += 3;
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
header_index += 2;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
wchar_t c = (unsigned char)client.input_buffer[header_index];
|
||||
|
||||
if( c >= 32 && c < 127 )
|
||||
{
|
||||
// allow only ascii characters
|
||||
|
||||
tmp_value += c;
|
||||
}
|
||||
|
||||
header_index += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//void Server::RemoveClientSocket(int client_socket)
|
||||
//{
|
||||
|
@ -696,7 +432,7 @@ void Server::ParseHeaderValue(Client & client)
|
|||
// close(client_socket);
|
||||
// client_tab.erase(client_tab.begin() + i);
|
||||
//
|
||||
// // warning: in ReadInputFromClients we have a loop through client_tab
|
||||
// // warning: in ReadWriteToClients we have a loop through client_tab
|
||||
// // (next item will be skipped by ++i)
|
||||
// break;
|
||||
// }
|
||||
|
@ -704,101 +440,6 @@ void Server::ParseHeaderValue(Client & client)
|
|||
//}
|
||||
|
||||
|
||||
bool Server::IsDecDigit(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
bool Server::IsHexDigit(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return true;
|
||||
|
||||
if( ToLower(c) >= 'a' && ToLower(c) <= 'f' )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
int Server::HexDigitToValue(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return static_cast<int>(c - '0');
|
||||
|
||||
if( ToLower(c) >= 'a' && ToLower(c) <= 'f' )
|
||||
return static_cast<int>(c - 'a') + 10;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
wchar_t Server::ToLower(wchar_t c)
|
||||
{
|
||||
if( c >= 'A' && c <= 'Z' )
|
||||
c = c - 'A' + 'a';
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
bool Server::CompareNoCase(const wchar_t * str1, const wchar_t * str2)
|
||||
{
|
||||
while( *str1 && *str2 && ToLower(*str1) == ToLower(*str2) )
|
||||
{
|
||||
++str1;
|
||||
++str2;
|
||||
}
|
||||
|
||||
if( *str1 == 0 && *str2 == 0 )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
bool Server::CompareNoCase(const std::wstring & str1, const wchar_t * str2)
|
||||
{
|
||||
return CompareNoCase(str1.c_str(), str2);
|
||||
}
|
||||
|
||||
|
||||
|
||||
// do not use \r or \n here
|
||||
bool Server::IsWhite(wchar_t c)
|
||||
{
|
||||
return (c == ' ' || c == '\t');
|
||||
}
|
||||
|
||||
|
||||
void Server::TrimWhiteAtEnd(std::wstring & str)
|
||||
{
|
||||
if( !str.empty() )
|
||||
{
|
||||
size_t i = str.size();
|
||||
|
||||
while( i > 0 && IsWhite(str[i-1]) )
|
||||
{
|
||||
i -= 1;
|
||||
}
|
||||
|
||||
if( i < str.size() )
|
||||
str.erase(i);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Server::SkipWhite(Client & client)
|
||||
{
|
||||
while( header_index < client.input_buffer.size() &&
|
||||
IsWhite(client.input_buffer[header_index]) )
|
||||
{
|
||||
header_index += 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Server::CreateAnswer(Client & client)
|
||||
|
@ -809,6 +450,7 @@ void Server::CreateAnswer(Client & client)
|
|||
a += L"Content-Type: text/html; charset=UTF-8\r\n";
|
||||
a += L"\r\n";
|
||||
a += L"hello world from my webserwer, your requested: " + client.url;
|
||||
a += L"\r\n";
|
||||
|
||||
if( client.url == L"/quit" )
|
||||
{
|
||||
|
|
56
src/server.h
56
src/server.h
|
@ -4,6 +4,7 @@
|
|||
|
||||
#include <sys/select.h>
|
||||
#include "client.h"
|
||||
#include "headers_parser.h"
|
||||
|
||||
|
||||
|
||||
|
@ -30,74 +31,25 @@ private:
|
|||
std::vector<Client> client_tab;
|
||||
int main_socket;
|
||||
fd_set read_set, write_set;
|
||||
std::wstring tmp_header, tmp_value;
|
||||
size_t header_index;
|
||||
std::string url_ascii;
|
||||
bool close_server;
|
||||
HeadersParser headers_parser;
|
||||
|
||||
|
||||
int AddSocketsToSet();
|
||||
void AddNewClient();
|
||||
|
||||
// change to a better name as it is used to write to a client too
|
||||
void ReadInputFromClients();
|
||||
|
||||
void ReadWriteToClients();
|
||||
void ReadInputFromClient(Client & client);
|
||||
void WriteOutputToClient(Client & client);
|
||||
|
||||
void CheckHeaders(Client & client, size_t input_buffer_index);
|
||||
|
||||
|
||||
// ptr buffer should consists of at least more 3 characters
|
||||
bool IsHeadersEnding(const char * ptr);
|
||||
|
||||
void ParseHeaders(Client & client);
|
||||
bool ParseFirstHeader(Client & client);
|
||||
|
||||
|
||||
bool ParseFirstHeaderMethodName(Client & client);
|
||||
|
||||
|
||||
virtual bool SelectMethodName(Client & client, wchar_t * method_name);
|
||||
|
||||
|
||||
/*
|
||||
* The generic URI syntax mandates that new URI schemes that provide for the representation
|
||||
* of character data in a URI must, in effect, represent characters from the unreserved set
|
||||
* without translation, and should convert all other characters to bytes according to UTF-8,
|
||||
* and then percent-encode those values. This requirement was introduced in January 2005
|
||||
* with the publication of RFC 3986. URI schemes introduced before this date are not affected.
|
||||
*
|
||||
*
|
||||
*/
|
||||
bool ParseFirstHeaderURL(Client & client);
|
||||
|
||||
bool ParseFirstHeaderHTTPVersion(Client & client);
|
||||
|
||||
|
||||
|
||||
// ParseHeaderKey should increment header_index at least once
|
||||
bool ParseHeaderKey(Client & client);
|
||||
|
||||
|
||||
void ParseHeaderValue(Client & client);
|
||||
virtual bool SelectMethodName(Client & client, const std::wstring & method_name);
|
||||
|
||||
|
||||
//void RemoveClientSocket(int client_socket);
|
||||
|
||||
|
||||
bool IsDecDigit(wchar_t c);
|
||||
bool IsHexDigit(wchar_t c);
|
||||
int HexDigitToValue(wchar_t c);
|
||||
wchar_t ToLower(wchar_t c);
|
||||
bool CompareNoCase(const wchar_t * str1, const wchar_t * str2);
|
||||
bool CompareNoCase(const std::wstring & str1, const wchar_t * str2);
|
||||
|
||||
// do not use \r or \n here
|
||||
bool IsWhite(wchar_t c);
|
||||
|
||||
void TrimWhiteAtEnd(std::wstring & str);
|
||||
void SkipWhite(Client & client);
|
||||
virtual void CreateAnswer(Client & client);
|
||||
|
||||
|
||||
|
|
|
@ -0,0 +1,94 @@
|
|||
#include <utf8/utf8.h>
|
||||
#include "string_functions.h"
|
||||
|
||||
|
||||
|
||||
|
||||
wchar_t ToLower(wchar_t c)
|
||||
{
|
||||
if( c >= 'A' && c <= 'Z' )
|
||||
c = c - 'A' + 'a';
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
bool CompareNoCase(const wchar_t * str1, const wchar_t * str2)
|
||||
{
|
||||
while( *str1 && *str2 && ToLower(*str1) == ToLower(*str2) )
|
||||
{
|
||||
++str1;
|
||||
++str2;
|
||||
}
|
||||
|
||||
if( *str1 == 0 && *str2 == 0 )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
bool CompareNoCase(const std::wstring & str1, const wchar_t * str2)
|
||||
{
|
||||
return CompareNoCase(str1.c_str(), str2);
|
||||
}
|
||||
|
||||
|
||||
bool IsDecDigit(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
bool IsHexDigit(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return true;
|
||||
|
||||
if( ToLower(c) >= 'a' && ToLower(c) <= 'f' )
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
int HexDigitToValue(wchar_t c)
|
||||
{
|
||||
if( c >= '0' && c <= '9' )
|
||||
return static_cast<int>(c - '0');
|
||||
|
||||
if( ToLower(c) >= 'a' && ToLower(c) <= 'f' )
|
||||
return static_cast<int>(c - 'a') + 10;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// do not use \r or \n here
|
||||
bool IsWhite(wchar_t c)
|
||||
{
|
||||
return (c == ' ' || c == '\t');
|
||||
}
|
||||
|
||||
|
||||
|
||||
void TrimWhiteAtEnd(std::wstring & str)
|
||||
{
|
||||
if( !str.empty() )
|
||||
{
|
||||
size_t i = str.size();
|
||||
|
||||
while( i > 0 && IsWhite(str[i-1]) )
|
||||
{
|
||||
i -= 1;
|
||||
}
|
||||
|
||||
if( i < str.size() )
|
||||
str.erase(i);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
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#ifndef headerfile_libscorpiohttpserver_src_string_functions_h
|
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#define headerfile_libscorpiohttpserver_src_string_functions_h
|
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|
||||
|
||||
#include <string>
|
||||
|
||||
|
||||
|
||||
wchar_t ToLower(wchar_t c);
|
||||
|
||||
bool CompareNoCase(const wchar_t * str1, const wchar_t * str2);
|
||||
bool CompareNoCase(const std::wstring & str1, const wchar_t * str2);
|
||||
|
||||
bool IsDecDigit(wchar_t c);
|
||||
bool IsHexDigit(wchar_t c);
|
||||
int HexDigitToValue(wchar_t c);
|
||||
|
||||
bool IsWhite(wchar_t c);
|
||||
void TrimWhiteAtEnd(std::wstring & str);
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
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Reference in New Issue