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DBHomework/old_src/doCheckPermission.cpp

80 lines
1.5 KiB
C++

#include "bs_util.h"
using namespace std;
int main()
{
Request req;
Session se(req);
Response res;
json j;
auto jsonfail=[&](int errcode,const std::string& dtl="")
{
jsonfail_func(j,errcode,dtl);
};
do
{
if(!se.isReady())
{
jsonfail(err_session);
break;
}
if(se.getUser().empty())
{
jsonfail(err_need_login);
break;
}
if(req.requestMethod!="POST")
{
jsonfail(err_method_not_supported);
break;
}
postval(required);
int required_real=ParseInt(required);
if(required_real<0)
{
jsonfail(err_parameter,"Failed to parse permission level");
break;
}
startdb();
/// Get Permission
int xval=-1;
if(conn.exec(make_str("select permission_level from bs_user where username='",
se.getUser(),
"'"),
SQLParseInt(xval))<0)
{
jsonfail(err_sql,"Step 1");
break;
}
if(xval<0)
{
jsonfail(err_data,"Failed to parse X-Val");
break;
}
if(xval>required_real)
{
jsonfail(err_permission_denied,"Permission Not Reach Required Level");
break;
}
j["success"]=1;
}
while(0);
se.writeToResponse(res);
res.content.append(j.dump());
return 0;
}