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uploads/uploader.cpp Source File
#include <cppcms/application.h>
#include <cppcms/applications_pool.h>
#include <cppcms/service.h>
#include <cppcms/http_response.h>
#include <cppcms/http_file.h>
#include <iostream>
#include "content.h"
using namespace std;
class uploader: public cppcms::application {
public:
uploader(cppcms::service &s) :
cppcms::application(s)
{
}
void main(std::string /*unused*/)
{
content::upload c;
if(request().request_method()=="POST") {
c.info.load(context());
if(c.info.validate()) {
// Create file name
//
// Note:
// NEVER, NEVER, NEVER use user supplied file name!
//
// Use it to display or for general information only.
//
// If you would try to save the file under user supplied name you
// may open yourself to multiple security issues like directory
// traversal and more.
//
// So create your own name. If you want to keep the connection with original
// name you may use sha1 hash and then save it.
//
std::string new_name = "latest_image";
if(c.info.image.value()->mime() == "image/png")
new_name += ".png";
else
new_name += ".jpg"; // we had validated mime-type
//
// Note: save_to is more efficient then reading file from
// c.info.image.value()->data() stream and writing it
// as save to would try to move the saved file over file-system
// and it would be more efficient.
//
c.info.image.value()->save_to("./uploads/" + new_name);
c.info.clear();
}
}
render("upload",c);
}
};
int main(int argc,char ** argv)
{
try {
cppcms::service app(argc,argv);
app.applications_pool().mount(cppcms::applications_factory<uploader>());
app.run();
}
catch(std::exception const &e) {
cerr<<e.what()<<endl;
}
}
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