Bug#459365: epiphany-browser: Doesn't honor "Content-Encoding: gzip" when doing "Save Link As..."

[Mike Paul]

Package: epiphany-browser
Version: 2.20.2-1
Severity: normal

When downloading a file by right-clicking on a link and choosing "Save
Link As...", Epiphany saves gzipped data to disk if the webserver uses
the gzip content-encoding for sending the file over the network.
Downloading the file by left-clicking on it, or dragging it to a folder
window, works correctly.

Background:  if an HTTP response includes the header "Content-Encoding: gzip",
it means that the body of the response is gzipped for the purpose of being
sent over the network, and the receiving user agent (i.e. Epiphany) is
supposed to un-gzip it before doing anything with it.  (This is different
from downloading a .gz file, which has nothing to do with the HTTP
Content-Encoding header.)

I observed this problem with the file "openwrt-brcm-2.4-squashfs.trx"
located at <http://downloads.openwrt.org/kamikaze/7.09/brcm-2.4/>.  If I
left-click on the file or drag the link to my desktop, I get the correct
..trx file (md5sum 0b708bcc864b768aba88b4b564dab412).  If I right-click
on it and "Save Link As...", I get gzipped data (md5sum
930f1178aad407d7bb8a5bfdac4d2c41) which should've been decompressed by
the browser, but wasn't.  This leads to confusion and files seeming to
be corrupted -- it's a .trx file, not a .trx.gz file.

I've also seen this happen with other files from other sites; it's not
specific to the OpenWRT files.  It seems that any server that uses
"Content-Encoding: gzip" will trigger the problem.

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.22-3-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages epiphany-browser depends on:
ii  epiphany-gecko                2.20.2-1   Intuitive GNOME web browser - Geck

epiphany-browser recommends no packages.

Versions of packages epiphany-gecko depends on:
ii  dbus                    1.1.2-1          simple interprocess messaging syst
ii  epiphany-browser-data   2.20.2-1         Data files for the GNOME web brows
ii  gnome-icon-theme        2.20.0-1         GNOME Desktop icon theme
ii  iso-codes               1.7-1            ISO language, territory, currency,
ii  libart-2.0-2            2.3.19-3         Library of functions for 2D graphi
ii  libatk1.0-0             1.20.0-1         The ATK accessibility toolkit
ii  libbonobo2-0            2.20.2-1         Bonobo CORBA interfaces library
ii  libbonoboui2-0          2.20.0-1         The Bonobo UI library
ii  libc6                   2.7-5            GNU C Library: Shared libraries
ii  libcairo2               1.4.12-2         The Cairo 2D vector graphics libra
ii  libdbus-1-3             1.1.2-1          simple interprocess messaging syst
ii  libdbus-glib-1-2        0.74-1           simple interprocess messaging syst
ii  libenchant1c2a          1.3.0-5          a wrapper library for various spel
ii  libffi4                 4.2.2-5          Foreign Function Interface library
ii  libfontconfig1          2.5.0-2          generic font configuration library
ii  libfreetype6            2.3.5-1+b1       FreeType 2 font engine, shared lib
ii  libgcc1                 1:4.2.2-5        GCC support library
ii  libgconf2-4             2.20.1-2         GNOME configuration database syste
ii  libglade2-0             1:2.6.2-1        library to load .glade files at ru
ii  libglib2.0-0            2.14.4-2         The GLib library of C routines
ii  libgnome-desktop-2      2.20.2-1         Utility library for loading .deskt
ii  libgnome2-0             2.20.1.1-1       The GNOME 2 library - runtime file
ii  libgnomecanvas2-0       2.20.1.1-1       A powerful object-oriented display
ii  libgnomeui-0            2.20.1.1-1       The GNOME 2 libraries (User Interf
ii  libgnomevfs2-0          1:2.20.1-1       GNOME Virtual File System (runtime
ii  libgtk2.0-0             2.12.3-2         The GTK+ graphical user interface 
ii  libice6                 2:1.0.4-1        X11 Inter-Client Exchange library
ii  libmozjs0d              1.8.1.11-1       The Mozilla SpiderMonkey JavaScrip
ii  libnspr4-0d             4.7.0~1.9b1-2    NetScape Portable Runtime Library
ii  liborbit2               1:2.14.7-0.1     libraries for ORBit2 - a CORBA ORB
ii  libpango1.0-0           1.18.3-1         Layout and rendering of internatio
ii  libpng12-0              1.2.15~beta5-3   PNG library - runtime
ii  libpopt0                1.10-3           lib for parsing cmdline parameters
ii  libsm6                  2:1.0.3-1+b1     X11 Session Management library
ii  libstartup-notification 0.9-1            library for program launch feedbac
ii  libstdc++6              4.2.2-5          The GNU Standard C++ Library v3
ii  libx11-6                2:1.0.3-7        X11 client-side library
ii  libxml2                 2.6.30.dfsg-3    GNOME XML library
ii  libxrender1             1:0.9.4-1        X Rendering Extension client libra
ii  libxslt1.1              1.1.22-1         XSLT processing library - runtime 
ii  libxul0d                1.8.1.11-1       Gecko engine library
ii  python2.4               2.4.4-7          An interactive high-level object-o
ii  xulrunner-gnome-support 1.8.1.11-1       Support for Gnome in xulrunner app
ii  zlib1g                  1:1.2.3.3.dfsg-8 compression library - runtime

-- no debconf information