98 lines
2.2 KiB
C++
98 lines
2.2 KiB
C++
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#include "parsing_message_http.hpp"
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/*
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- parse_http_first_line() :
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- copy first line into a vector of 3 strings
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/ copy line into a vector of 3 strings
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- parse_http_headers(std::string message)
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-
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- parse_http_body(std::string message)
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*/
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std::vector<std::string>
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parse_http_first_line(std::string line)
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{
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std::vector<std::string> sline;
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std::vector<std::string> line = "";
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std::string sub;
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std::string tmp;
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size_t pos;
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sline = ::split(line, ' ');
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if (sline.size() == 3)
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{
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for (int i = 0; i < 3; i++)
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{
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tmp = sline[i];
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tmp = ::trim(tmp, '\r');
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tmp = ::trim(tmp, ' ');
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line.push_back(tmp);
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}
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}
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return line;
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}
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std::map<std::string, std::string>
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parse_http_headers(std::string message)
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{
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std::map<std::string, std::string> headers;
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std::vector<std::string> list;
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std::vector<std::string>::iterator it;
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std::string sub;
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std::string key;
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std::string val;
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size_t pos;
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pos = (message).find(CRLF CRLF);
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sub = (message).substr(0, pos);
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list = ::split(sub, '\n');
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if ( maybe_http_first_line( *list.begin() ) )
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list.erase(list.begin());
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for (it = list.begin(); it != list.end(); it++)
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{
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// TODO: if pattern is not "NAME: value" return error
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pos = (*it).find(':');
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key = (*it).substr( 0, pos );
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key = ::trim(key, ' ');
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key = ::trim(key, '\r');
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key = ::str_tolower(key);
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val = (*it).substr( pos + 1 );
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val = ::trim(val, ' ');
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val = ::trim(val, '\r');
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headers.insert( std::pair<std::string, std::string>(key, val) );
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}
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return headers;
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}
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std::string
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parse_http_body(std::string message)
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{
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std::string body;
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size_t pos;
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pos = message.find(CRLF CRLF);
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pos += std::string(CRLF CRLF).size();
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// TODO: copying just like that might fail in case of binary or images
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body = message.substr(pos);
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return body;
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}
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bool maybe_http_first_line(std::string str)
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{
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// method SP target SP version https://www.rfc-editor.org/rfc/rfc7230.html#section-3.1.1
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// version SP status SP reason https://www.rfc-editor.org/rfc/rfc7230.html#section-3.1.2
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std::vector<std::string> sline;
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sline = ::split(str, ' ');
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if (sline.size() != 3)
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return false;
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if (sline[0].find(':') != std::string::npos)
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return false;
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return true;
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}
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