Class AssetsResourceHandler

core/src/browser/assets.cc:77–387

Custom resource handler for local assets.

// Custom resource handler for local assets.
class AssetsResourceHandler : public CefRefCount<cef_resource_handler_t>
{
public:
    AssetsResourceHandler()
        : CefRefCount(this)
        , stream_(nullptr)
        , offset_(0)
        , length_(0)
        , no_cache_(false)
    {
        cef_bind_method(AssetsResourceHandler, open);
        cef_bind_method(AssetsResourceHandler, get_response_headers);
        cef_bind_method(AssetsResourceHandler, skip);
        cef_bind_method(AssetsResourceHandler, read);
    }

    ~AssetsResourceHandler()
    {
        if (stream_ != nullptr)
            stream_->base.release(&stream_->base);
    }

private:
    cef_stream_reader_t *stream_;
    int64 offset_;
    int64 length_;
    std::string range_header_;
    std::u16string mime_;
    bool no_cache_;

    int _open(cef_request_t* request, int* handle_request, cef_callback_t* callback)
    {
        size_t pos;
        bool js_mime = false;

        CefScopedStr url = request->get_url(request);
        std::u16string path, query_part;
        path.assign((char16_t *)url.str + 15, url.length - 15); // skip 'https://plugins'

        // Check query part.
        if ((pos = path.rfind('?')) != std::u16string::npos)
        {
            // Extract it.
            query_part = path.substr(pos + 1);
            // Remove it from path.
            path = path.substr(0, pos);
        }

        // Decode URI.
        decode_uri(path);

        // Get final path.
        path = config::plugins_dir().u16string().append(path);

        // Trailing slash.
        if (path[path.length() - 1] == '/' || path[path.length() - 1] == '\\')
        {
            js_mime = true;