1380636 - Dragging an image to desktop creates an “unknown link” file

Status: RESOLVED DUPLICATE of bug 681488

(Core :: DOM: Copy & Paste and Drag & Drop, defect)

Description

[Emil Ghitta, QA [:emilghitta]]

[Affected versions]:
Firefox 56.0a1 (Build Id:20170712100301)
Firefox 55.0b8 (Build Id: 20170710155419)
Firefox 54.0.1 (Build Id: 20170628145605)

[Affected platforms]:
Ubuntu 16.04 64bit.

[Steps to reproduce]:
1. Launch Firefox with a clean profile.
2. Access the https://9gag.com/gag/am29MAj  weblink.
3. Drag the image to desktop.

[Expected result]:
The image is successfully downloaded to the desktop.

[Actual result]:
An “unknown link” file is created.

[Regression range]:
This doesn’t seems to be a regression.

[Additional notes]
Please note that an “Could not display” error is displayed when trying to open the created file.

For further information regarding this issue please access the following link: https://goo.gl/PkeouJ

Comment 1

[(inactive) Nihanth Subramanya [:nhnt11]]

(In reply to Emil Ghitta, QA [:emilghitta] from comment #0)
> [Affected versions]:
> Firefox 56.0a1 (Build Id:20170712100301)
> Firefox 55.0b8 (Build Id: 20170710155419)
> Firefox 54.0.1 (Build Id: 20170628145605)
> 
> [Affected platforms]:
> Ubuntu 16.04 64bit.
> 
> [Steps to reproduce]:
> 1. Launch Firefox with a clean profile.
> 2. Access the https://9gag.com/gag/am29MAj  weblink.
> 3. Drag the image to desktop.
> 
> [Expected result]:
> The image is successfully downloaded to the desktop.
> 
> [Actual result]:
> An “unknown link” file is created.
> 
> [Regression range]:
> This doesn’t seems to be a regression.
> 
> [Additional notes]
> Please note that an “Could not display” error is displayed when trying to
> open the created file.
> 
> For further information regarding this issue please access the following
> link: https://goo.gl/PkeouJ

On MacOS, a file is created without an extension. Manually adding the relevant extension (.jpg in the case of the 9gag image you referenced) makes the file usable. Interesting that a link is created on linux. I'll see if I can investigate this soon.