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Issue metadata

Status: Closed
Owner: ----
Closed: Oct 19
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug



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Umlaut characters in filenames not displayed correctly within downloaded ZIP file or after extraction

Reported by lazysunb...@gmail.com, Mar 6 2018

Issue description

UserAgent: Mozilla/5.0 (X11; CrOS armv7l 10176.72.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36
Platform: 10176.72.0 (Official Build) stable-channel veyron_minnie

Steps to reproduce the problem:
1. Download a zip file containing Umlauts (https://www.hueber.de/shared/audio/schritte-neu/011081_Schritte_Neu_Uebungsgrammatik_V2_Audiodateien.zip) 2. Open downloaded file with ZIP Unpacker
3. Extract files via normal drag-and-drop process

What is the expected behavior?
Umluats should be displayed correctly within ZIP file filename contents list and upon file extraction. 

What went wrong?
With the "new" ZIP Unpacker enabled, the Umlauts are not displayed correctly (an outline box character appears). With this option disabled, an infinite "Russian doll" recursive folder set expands, with no files listed.

Did this work before? N/A 

Chrome version: 64.0.3282.167  Channel: stable
OS Version: 10176.72.0
Flash Version: 28.0.0.161 /opt/google/chrome/pepper/libpepflashplayer.so

I am logged in as the Owner with my Display Language set to UK English with GB (UK) and US (Intl) keyboards enabled.
 
Incorrect Umlaut display (extract via ChomeOS).png
49.0 KB View Download
Correct Umlaut display (extract via Windows OS) .png
49.2 KB View Download
Components: Platform>Apps>FileManager
On 67.0.3365.0 (Developer Build) (64-bit) I see a number of issues with this zip file.

Using either 'New ZIP unpacker' or 'Zip archiver - Unpacker' from chrome://flags, the zip file does not show any contents in FileApp when I double click on it.  If I use gunzip from shell, a directory is created which displays in terminal as:

'011081_Schritte_Neu_'$'\334''bungsgrammatik V2'

In FileApp, the folder is shown with no name.

Some minimal test files attached should reproduce.
test.zip
2.2 KB Download
test-öbungsgrammatik.zip
2.2 KB Download
Labels: CrOSFilesFeature-Zip
Status: Untriaged (was: Unconfirmed)
The test files which I created on mac by extracting zip file referenced and then rezipping with smaller dir names and file names seems to be working fine, but I have created a smaller zip file below that seems to display the same problems.

I created this zip file by running commands:
cp 011081_Schritte_Neu_Uebungsgrammatik_V2_Audiodateien.zip test.zip
zip -d test.zip *1.mp3
zip -d test.zip *2.mp3
...




test.zip
428 KB Download
test.zip file contains single file:

011081 Schritte Neu öbungsgrammatik V2/Schritte NEU öbungsgrammatik Seite 69, öbung 6.mp3

Comment 6 by sashab@chromium.org, Mar 15 2018

Labels: -Pri-2 Hotlist-GoodFirstBug Pri-3
Status: Available (was: Untriaged)
Status: Closed (was: Available)
I'm not able to repro this on the latest Chrome OS (70) with the default flags. There are three unzipping methods. If I switch to AVFS, I get an empty directory. If I switch to "zip unpacker", I get no files or directories. And if I keep the default ("zip archiver"), the files and directories are displayed correctly.

I suspect https://crrev.com/560519 fixed this.

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