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- ///////////////////////////////////////////////////////////////////////////////
- //
- // 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 "md5.h"
- #include "tohex.h"
-
- 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;
- default: content+=c;
- }
- }
- return content;
- }
-
-
- void escape(char const *begin,char const *end,std::ostream &output)
- {
- while(begin!=end) {
- char c=*begin++;
- switch(c){
- case '<': output << "<"; break;
- case '>': output << ">"; break;
- case '&': output << "&"; break;
- case '\"': output<<"""; break;
- default: output << c;
- }
- }
- }
-
- 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);
- }
- 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
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