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Master_T
Helper I
Helper I

Custom Visual: embed content from SharePoint

Hello everyone

I want to develop a custom visual that embeds a PDF document from SharePoint. 

I thought this would be straightforward, like this:

constructor(options: VisualConstructorOptions) {
    console.log('Visual constructor', options);
    this.target = options.element;
    if (document) {
        let template = `<iframe src="https://mytenant.sharepoint.com/:b:/s/..." style="height: 100%; width: 100%;"></iframe>`
        document.getElementsByTagName('body')[0].innerHTML = template;
    }
}

However, this doesn't work, the iframe just shows the browser's error page:

Master_T_1-1641980201030.png

I'm guessing this is due to the sandboxing of custom visuals? Is there any way to work around this? The SharePoint and PowerBI are on the same tenant, so there shouldn't be any authentication problems, if you're logged into PowerBI you're logged into SharePoint as well, but the network requests do not go through (I even trying downloading the file from within the extension but the request is blocked by CORS)

 

Any possible way to work around this?

 

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