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#include "kingate/cgi_gateway.h"
#include "kingate/util.h"
#include "kingate/exception.h"
namespace kingate {
cgi_gateway::cgi_gateway(cgi_interface& ci)
: iface(ci), b_parsed_content(false) {
// Fetch GET content
if(iface.has_meta("QUERY_STRING")) {
string qs = iface.get_meta("QUERY_STRING");
parse_query(qs,get);
}
// Fetch POST content
if(!strcasecmp(get_content_type().c_str(),"application/x-www-form-urlencoded")) {
unsigned long cl = get_content_length();
if(cl) {
char * tmp = new char[cl];
iface.in().read(tmp,cl);
string qs(tmp,cl);
delete tmp;
parse_query(qs,post);
}
b_parsed_content = true;
}
}
bool cgi_gateway::has_GET(const string& n) const {
return get.find(n) != get.end();
}
string cgi_gateway::get_GET(const string& n) const {
params_t::const_iterator i = get.find(n);
if(i==get.end())
throw exception_notfound(CODEPOINT,"no such parameter");
return i->second;
}
bool cgi_gateway::has_POST(const string& n) const {
return post.find(n) != post.end();
}
string cgi_gateway::get_POST(const string& n) const {
params_t::const_iterator i = post.find(n);
if(i==post.end())
throw exception_notfound(CODEPOINT,"no such parameter");
return i->second;
}
bool cgi_gateway::has_param(const string& n) const {
return has_GET(n) || has_POST(n);
}
string cgi_gateway::get_param(const string& n) const {
params_t::const_iterator i = get.find(n);
if(i!=get.end())
return i->second;
i = post.find(n);
if(i!=post.end())
return i->second;
throw exception_notfound(CODEPOINT,"no such parameter");
}
const string& cgi_gateway::get_content_type() const {
if(!has_meta("CONTENT_TYPE"))
return ""; // XXX:
return get_meta("CONTENT_TYPE");
}
unsigned long cgi_gateway::get_content_length() const {
if(!has_meta("CONTENT_LENGTH"))
return 0;
string cl = get_meta("CONTENT_LENGTH");
return strtol(cl.c_str(),NULL,10);
}
void cgi_gateway::parse_query(string& q,params_t& p) {
while(!q.empty()) {
string::size_type amp = q.find('&');
string pp = (amp==string::npos)?q:q.substr(0,amp);
if(amp==string::npos)
q.clear();
else
q.erase(0,amp+1);
string::size_type eq = pp.find('=');
if(eq == string::npos) {
p.insert(params_t::value_type("",url_unescape(pp)));
}else{
p.insert(params_t::value_type(url_unescape(pp.substr(0,eq)),url_unescape(pp.substr(eq+1))));
}
}
}
}
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