Google Drive File Picker

google-drive-file-picker.js

// Note: the file must be shared with at least "anyone with the link can view" permissions.

var clientId = "YOUR CLIENT ID"; // from Google's API Console

google.load("picker", "1");

google.setOnLoadCallback(function() {
	var picker = new google.picker.PickerBuilder()
	    .setAppId(clientId)
	    .addView(google.picker.ViewId.DOCUMENTS)
	    .enableFeature(google.picker.Feature.NAV_HIDDEN)
	    .setCallback(function(data) {
		    if (data[google.picker.Response.ACTION] == google.picker.Action.PICKED) {
		        var doc = data[google.picker.Response.DOCUMENTS][0];
		        var url = doc[google.picker.Document.URL];
	        	$("#input").load(url.replace(/\/edit$/, "/export"));
		    }
		})
	    .build();

	picker.setVisible(true);
});