[Webkit-unassigned] [Bug 172849] New: WKWebView upload file which name contains Chinese character results in garbled code

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172849

            Bug ID: 172849
           Summary: WKWebView upload file which name contains Chinese
                    character results in garbled code
           Product: WebKit
           Version: Other
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: johnhu456 at 163.com
                CC: cdumez at apple.com, wenson_hsieh at apple.com

I am working on a Mac app, just a simple web application encapsulated in WKWebView.

Here is the code when I tring to upload a file which name contains special character:

-(void)webView:(WKWebView *)webView runOpenPanelWithParameters:(WKOpenPanelParameters *)parameters initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSArray<NSURL *> * _Nullable))completionHandler
{
     DEBUG_FUNC(@"");

     NSOpenPanel* openDlg = [NSOpenPanel openPanel];
    [openDlg setCanChooseFiles:YES];
    [openDlg setCanChooseDirectories:NO];
    [openDlg setPrompt:NSLocalizedString(@"Choose", nil)];
    openDlg.allowsMultipleSelection = YES;

    if ( [openDlg runModal] == NSOKButton ) 
    {
        if (completionHandler)
        {
            completionHandler([openDlg URLs]);
        }
    }  
}
When I was using WebView, this way can work, so it should not be a web problem.

But since the project used WKWebView,
for example: file "证书.p12" would be changed to "è¯ä¹¦.p12" after uploaded via WKWebView.

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