zOMGdev/cppcms: https://github.com/artyom-beilis/cppcms.git

examples/uploads/content.h

59 строк1 KB

Artyom Beilis

Added file upload example

11 дек 2011, 16:24

11 дек 2011, 16:246b150df

#ifndef CONTENT_H
#define CONTENT_H

#include <cppcms/view.h>
#include <cppcms/form.h>

#include <iostream>


namespace content  {
 
struct file_form : public cppcms::form {
    cppcms::widgets::text description;
    cppcms::widgets::file image;
    cppcms::widgets::submit submit;
    file_form()
    {
        description.message("Image Description");
        description.non_empty();
        
        image.message("Image to upload");
        image.help("PNG or JPEG only allowed under 100Kb");
        image.non_empty();

        // Sanity checks on the image

        // size 100k
        image.limits(0,100*1024);
        // Filename with proper extension (optional)
        image.filename(booster::regex(".*\\.(jpg|jpeg|png)"));
        // Correct mime type (optional)
        image.mime(booster::regex("image/(png|jpeg)"));

        // And the most important (more then two above) the
        // magic numbers for each file and this the most important
        // validation
        //
        // Note: this what really defines the file type, other can be
        // easily changed
        image.add_valid_magic("\x89\x50\x4e\x47\x0D\x0A\x1A\x0A"); // png
        image.add_valid_magic("\xff\xd8"); // jpeg

        submit.value("Upload");

        add(description);
        add(image);
        add(submit);
    }
};

struct upload : public cppcms::base_content {
    file_form info;
};

} // content


#endif
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