Using SetToFile for upload

[litereddonut]

I'm using SetToFile to upload some files, but keep running into a problem where the chromium log message says "[0915/131408:FATAL:resource_dispatcher_host_impl.cc(212)] Check failed: false. Denied unauthorized upload of <FILEPATH>"

I'm digging through the call stack and the problem is in "ShouldServiceRequest" in chromium, "policy->CanReadFile(child_id, iter->path())" is returning false. I've examined the permissions on the file and it seems like reading should be allowed. Here is the source code when I call SetToFile.

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CefRefPtr<CefPostDataElement> postDataElement(CefPostDataElement::Create());
   
postDataElement->SetToFile(mUploadFilePath);
CefRefPtr<CefPostData> postData(CefPostData::Create());
bool b = postData->AddElement(postDataElement);

mRequest->SetPostData (postData);

mUrlRequest = CefURLRequest::Create(mRequest, this)

I am using CEF-1650. Any help would be appreciated.

[magreenblatt]

What CEF version and OS? Where are you executing this code from?

[litereddonut]

This is windows and CEF 1650 with chromium 31. I am extending the CefURLRequestClient class and trying to starting an upload.

[magreenblatt]

This is windows and CEF 1650 with chromium 31. I am extending the CefURLRequestClient class and trying to starting an upload.

In what process are you executing the CefURLRequest?

[litereddonut]

The render process. I can successfully upload files if I do

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postDataElement3->SetToBytes(data.length(), data.c_str());

[magreenblatt]

Ok, your problem is that the render process cannot access arbitrary files due to security restrictions (further reinforced by the sandbox in newer CEF versions). You should initiate the CefURLRequest from the browser process instead.

[litereddonut]

Thanks, I will move it to the browser process.