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-rw-r--r--blog/sbs_2/cgi-src/cgiutils.hpp245
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diff --git a/blog/sbs_2/cgi-src/cgiutils.hpp b/blog/sbs_2/cgi-src/cgiutils.hpp
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-/*
- * Copyright 2017 Chris Xiong
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef CGILIB_HPP
-#define CGILIB_HPP
-#include <cstdlib>
-#include <map>
-#include <string>
-#include <vector>
-const char* base64_table="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
-std::string base64_encode(std::string s)
-{
- std::string r="";
- for(unsigned i=0;i<s.length();i+=3)
- {
- int b=(s[i]&0xFC)>>2;
- r+=base64_table[b];
- b=(s[i]&0x03)<<4;
- if(i+1<s.length())
- {
- b|=(s[i+1]&0xF0)>>4;
- r+=base64_table[b];
- b=(s[i+1]&0x0F)<<2;
- if(i+2<s.length())
- {
- b|=(s[i+2]&0xC0)>>6;
- r+=base64_table[b];
- b=s[i+2]&0x3F;
- r+=base64_table[b];
- }else r+=base64_table[b],r+='=';
- }else r+=base64_table[b],r+="==";
- }
- return r;
-}
-void split(std::string s,char c,std::vector<std::string>& v)
-{
- v.clear();
- for(size_t anch=0;;)
- {
- std::string sec;
- if(s.find(c,anch)==std::string::npos)
- sec=s.substr(anch);
- else sec=s.substr(anch,s.find(c,anch)-anch);
- v.push_back(sec);
- if(s.find(c,anch)==std::string::npos)break;
- anch=s.find(c,anch)+1;
- }
-}
-std::string trim(std::string s)
-{
- int l=0;for(;isblank(s[l]);++l)
- s=s.substr(l);
- while(isblank(s.back()))s.pop_back();
- return s;
-}
-class QueryStrParser
-{
- private:
- std::map<std::string,std::string> q;
- void parse(std::string es)
- {
- for(size_t anch=0;;)
- {
- std::string sec;
- if(es.find('&',anch)==std::string::npos)
- sec=es.substr(anch);
- else sec=es.substr(anch,es.find('&',anch)-anch);
- if(sec.find('=')==std::string::npos)
- q[sec.substr(0)]="";
- else
- q[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+1);
- if(es.find('&',anch)==std::string::npos)break;
- anch=es.find('&',anch)+1;
- }
- }
- public:
- QueryStrParser()
- {
- char* e=getenv("QUERY_STRING");
- if(!e)return;
- parse(std::string(e));
- }
- QueryStrParser(std::string s)
- {
- parse(s);
- }
- bool exist(std::string s)
- {
- return q.find(s)!=q.end();
- }
- std::string value(std::string s)
- {
- if(!exist(s))return "";
- return q.find(s)->second;
- }
-};
-class RequestCookies
-{
- private:
- std::map<std::string,std::string> m;
- void parse(std::string cookie)
- {
- std::vector<std::string> v;
- split(cookie,';',v);
- }
- public:
- RequestCookies()
- {
- char* e=getenv("HTTP_COOKIE");
- if(!e)return;
- parse(std::string(e));
- }
-};
-class DOMAttrib
-{
- private:
- std::map<std::string,std::string> m;
- public:
- DOMAttrib(std::string s="")
- {
- for(size_t anch=0;;)
- {
- std::string sec;
- if(s.find('"',anch)==std::string::npos)
- sec=s.substr(anch);
- else sec=s.substr(anch,s.find('"',s.find('"',anch)+1)-anch+1);
- if(sec.find('=')==std::string::npos)
- m[sec.substr(0)]="";
- else
- m[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+2),
- m[sec.substr(0,sec.find('='))].pop_back();
- if(s.find(' ',anch+sec.length())==std::string::npos)break;
- anch=s.find(' ',anch+sec.length())+1;
- }
- }
- void setAttrib(std::string a,std::string v){m[a]=v;}
- void eraseAttrib(std::string a){if(existAttrib(a))m.erase(m.find(a));}
- bool existAttrib(std::string a){return m.find(a)!=m.end();}
- std::string getAttrib(std::string a){if(!existAttrib(a))return "";return m[a];}
- std::string to_string()
- {
- std::string r;bool cf=false;
- for(auto i=m.begin();i!=m.end();++i)
- {
- if(cf)r+=' ';else cf=true;
- r+=i->first+"=\""+i->second+"\"";
- }
- return r;
- }
-};
-static const char* twoxx[]={
- "OK",
- "Created",
- "Accepted",
- "Non-Authoritative Information",
- "No Content",
- "Reset Content",
- "Partial Content",
- "Multi-Status",
- "Already Reported"
-};
-static const char* threexx[]={
- "Multiple Choices",
- "Moved Permanently",
- "Found",
- "See Other",
- "Not Modified",
- "Use Proxy",
- "???",
- "Temporary Redirect"
-};
-static const char* fourxx[]={
- "Bad Request",
- "Unauthorized",
- "Payment Required",
- "Forbidden",
- "Not Found",
- "Method Not Allowed",
- "Not Acceptable",
- "Proxy Authentication Required",
- "Request Timeout",
- "Conflict",
- "Gone",
- "Length Required",
- "Precondition Failed",
- "Request Entity Too Large",
- "Request-URI Too Long",
- "Unsupported Media Type",
- "Requested Range Not Satisfiable",
- "Expectation Failed"
-};
-static const char* fivexx[]={
- "Internal Server Error",
- "Not Implemented",
- "Bad Gateway",
- "Service Unavailable",
- "Gateway Timeout",
- "HTTP Version Not Supported"
-};
-class HTTPHeader
-{
-private:
- int status;
- std::vector<std::string> hdr;
-public:
- HTTPHeader(){status=200;}
- void setStatusCode(int c){status=c;}
- int statusCode(){return status;}
- void appendHeader(std::string s){hdr.push_back(s);}
- void print()
- {
- if(status>=200&&status<=208)
- printf("Status: %d %s\r\n",status,twoxx[status-200]);
- if(status>=300&&status<=307)
- printf("Status: %d %s\r\n",status,threexx[status-300]);
- if(status>=400&&status<=417)
- printf("Status: %d %s\r\n",status,fourxx[status-400]);
- if(status>=500&&status<=505)
- printf("Status: %d %s\r\n",status,fivexx[status-500]);
- for(unsigned i=0;i<hdr.size();++i)
- printf("%s\r\n",hdr[i].c_str());
- printf("\r\n");
- }
-};
-#endif