/
zOMGdev
/
cppcms
Обзор
Документация
Войти
/
zOMGdev
/
cppcms
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
v1.1.1
src/util.cpp
184 строки
4 KB
Artyom Beilis
- Add jsescape
30 дек 2015, 15:57
30 дек 2015, 15:57
d4923f5
Код
Авторство
О чём код?
/////////////////////////////////////////////////////////////////////////////// // // Copyright (C) 2008-2012 Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com> // // See accompanying file COPYING.TXT file for licensing details. // /////////////////////////////////////////////////////////////////////////////// #define CPPCMS_SOURCE #include <cppcms/util.h> #include "http_protocol.h" #include <stdio.h> #include <iterator> #include <ostream> #include "md5.h" #include "tohex.h" #include <ostream> namespace cppcms { namespace util { std::string escape(std::string const &s) { std::string content; unsigned i,len=s.size(); content.reserve(len*3/2); for(i=0;i<len;i++) { char c=s[i]; switch(c){ case '<': content+="<"; break; case '>': content+=">"; break; case '&': content+="&"; break; case '\"': content+="""; break; case '\'': content+="'"; break; default: content+=c; } } return content; } int escape(char const *begin,char const *end,std::streambuf &output) { while(begin!=end) { char c=*begin++; bool ok; switch(c){ case '<': ok = output.sputn("<",4)==4; break; case '>': ok = output.sputn(">",4)==4; break; case '&': ok = output.sputn("&",5)==5; break; case '\"': ok = output.sputn(""",6)==6; break; case '\'': ok = output.sputn("'",5)==5; break; default: ok = output.sputc(c)!=EOF; } if(!ok) return -1; } return 0; } void escape(char const *begin,char const *end,std::ostream &output) { std::streambuf *buf = output.rdbuf(); if(!output || !buf) return; if(escape(begin,end,*buf)!=0) output.setstate(std::ios_base::failbit); } template<typename Iterator> void urlencode_impl(char const *b,char const *e,Iterator out) { while(b!=e){ char c=*b++; if( ('a'<=c && c<='z') || ('A'<=c && c<='Z') || ('0'<=c && c<='9')) { *out++ = c; } else { switch(c) { case '-': case '_': case '.': case '~': *out++ = c; break; default: { static char const hex[]="0123456789abcdef"; unsigned char uc = c; *out++ = '%'; *out++ = hex[(uc >> 4) & 0xF]; *out++ = hex[ uc & 0xF]; } }; } }; } void urlencode(char const *b,char const *e,std::ostream &out) { std::ostream_iterator<char> it(out); urlencode_impl(b,e,it); } int urlencode(char const *b,char const *e,std::streambuf &out) { std::ostreambuf_iterator<char> it(&out); urlencode_impl(b,e,it); if(it.failed()) return -1; return 0; } std::string urlencode(std::string const &s) { std::string content; content.reserve(3*s.size()); std::back_insert_iterator<std::string> out(content); urlencode_impl(s.c_str(),s.c_str()+s.size(),out); return content; } std::string urldecode(std::string const &s) { return urldecode(s.c_str(),s.c_str()+s.size()); } // TODO: Find correct RFC for proprer decoding std::string urldecode(char const *begin,char const *end) { std::string result; result.reserve(end-begin); for(;begin<end;begin++) { char c=*begin; switch(c) { case '+': result+=' '; break; case '%': if(end-begin >= 3 && http::protocol::xdigit(begin[1]) && http::protocol::xdigit(begin[2])) { char buf[3]={begin[1],begin[2],0}; int value; sscanf(buf,"%x",&value); result+=char(value); begin+=2; } break; default: result+=c; } } return result; } std::string md5(std::string const &in) { using namespace cppcms::impl; unsigned char data[16]; md5_state_t state; md5_init(&state); md5_append(&state,reinterpret_cast<unsigned const char *>(in.c_str()),in.size()); md5_finish(&state,data); return std::string(reinterpret_cast<char *>(data),16); } std::string md5hex(std::string const &in) { using namespace cppcms::impl; unsigned char data[16]; md5_state_t state; md5_init(&state); md5_append(&state,reinterpret_cast<unsigned const char *>(in.c_str()),in.size()); md5_finish(&state,data); char buf[33]={0}; impl::tohex(data,sizeof(data),buf); return buf; } } // util } // util