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Issue metadata

Status: WontFix
Owner:
Closed: Oct 2017
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Compat



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Pdf attachments broke

Reported by wurzerlu...@gmail.com, Oct 11 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36

Example URL:

Steps to reproduce the problem:
1. open in chrome 
2. not able to read attachment
3. downloaded
4. opened in adobe reader files are still broke

What is the expected behavior?

What went wrong?
The pdf attachment are unreadable

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 61.0.3163.100  Channel: stable
OS Version: 10.0
Flash Version: 

It works if I download it on firefox
 
UE03_Collections_II.pdf
62.9 KB Download
Labels: Needs-Bisect Needs-Triage-M61
Owner: rharrison@chromium.org
Status: WontFix (was: Unconfirmed)
meta-comment: Attachments in PDFs are currently not implemented in PDFium, so shouldn't be handled by Chrome at all :-(

I have done some digging into see what is going on here.

On Linux:
I have not been able to access the attachments via Chrome, as expected, but have not been able to reproduce the attachments being unreadable after downloading with Chrome.

Downloading the document via Chrome and opening it in Firefox appears to work fine. I was able to extract the attachments and they looked fine to me.
Same thing with using Firefox to download.

On Windows:
For both Firefox and Chrome downloading the file produces a doc that has attachments with garbage names and Acrobat won't open them.

On Mac:
With both Safari and Chrome downloading the file produces a doc that has attachments with garbage names and Acrobat won't open them.


Looking at the md5 hashes of the downloaded files, they are the same between between ones that work and ones that don't. So I am pretty sure this is some weird PDF viewing bug in Acrobat or an issue with how the PDF is encoded, not an issue with it being mangled by Chrome during download.

Labels: -Needs-Bisect -Needs-Triage-M61

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