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https://github.com/flatpak/flatpak.git
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951aed561a
Add a new function, flatpak_cache_http_uri() that when passed an URL and a local destination location, either a) downloads the content and stores it at the destination location, storing HTTP cache header information like Last-Modified, Etag into user xattrs (if available) or a separate file or b) if the downloaded content is already present, checks the header information to decide whether the downloaded content can be used or needs to be revalidated witha conditional request. Tests are added that use a special case test server that adds HTTP caching headers and reacts to them based on query parameters. A small test binary 'httpcache' is added for the tests to use. Closes: #1910 Approved by: alexlarsson
142 lines
3.8 KiB
Bash
Executable File
142 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2018 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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set -euo pipefail
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. $(dirname $0)/libtest.sh
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$(dirname $0)/test-webserver.sh "" "python2 $test_srcdir/http-utils-test-server.py 0"
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FLATPAK_HTTP_PID=$(cat httpd-pid)
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mv httpd-port httpd-port-main
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port=$(cat httpd-port-main)
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assert_result() {
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test_string=$1
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remote=$2
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local=$3
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out=`httpcache "http://localhost:$port$remote" $local || :`
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case "$out" in
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$test_string*)
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return
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;;
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*)
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echo "For $remote => $local, expected '$test_string', got '$out'"
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exit 1
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;;
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esac
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}
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assert_cached() {
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assert_result "Reusing cached value" $@
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}
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assert_304() {
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assert_result "Server returned status 304:" $@
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}
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assert_ok() {
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assert_result "Server returned status 200:" $@
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}
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have_xattrs() {
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touch $1/test-xattrs
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setfattr -n user.testvalue -v somevalue $1/test-xattrs > /dev/null 2>&1
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}
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echo "1..4"
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# Without anything else, cached for 30 minutes
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assert_ok "/" $test_tmpdir/output
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assert_cached "/" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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# An explicit cache-lifetime
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assert_ok "/?max-age=3600" $test_tmpdir/output
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assert_cached "/?max-age=3600" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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# Turn off caching
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assert_ok "/?max-age=0" $test_tmpdir/output
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assert_ok "/?max-age=0" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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# Turn off caching a different way
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assert_ok "/?no-cache" $test_tmpdir/output
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assert_ok "/?no-cache" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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# Expires support
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assert_ok "/?expires-future" $test_tmpdir/output
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assert_cached "/?expires-future" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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assert_ok "/?expires-past" $test_tmpdir/output
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assert_ok "/?expires-past" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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echo 'ok http cache lifetimes'
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# Revalation with an etag
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assert_ok "/?etag&no-cache" $test_tmpdir/output
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assert_304 "/?etag&no-cache" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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# Revalation with an modified time
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assert_ok "/?modified-time&no-cache" $test_tmpdir/output
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assert_304 "/?modified-time&no-cache" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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echo 'ok http revalidation'
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# Testing that things work with without xattr support
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if have_xattrs $test_tmpdir ; then
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ls $test_tmpdir 1>&2
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assert_ok "/?etag&no-cache" $test_tmpdir/output
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ls $test_tmpdir 1>&2
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assert_not_has_file $test_tmpdir/output.flatpak.http
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assert_304 "/?etag&no-cache" $test_tmpdir/output
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rm -f $test_tmpdir/output*
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echo "ok with-xattrs"
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else
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echo "ok with-xattrs # skip /var/tmp doesn't have user xattr support"
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fi
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# Testing fallback without xattr support
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no_xattrs_tempdir=`mktemp -d /tmp/test-flatpak-XXXXXX`
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no_xattrs_cleanup () {
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rm -rf test_tmpdir
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cleanup
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}
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trap no_xattrs_cleanup EXIT
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if have_xattrs $no_xattrs_tempdir ; then
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echo "ok no-xattrs # skip /tmp has user xattr support"
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else
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assert_ok "/?etag&no-cache" $no_xattrs_tempdir/output
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assert_has_file $no_xattrs_tempdir/output.flatpak.http
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assert_304 "/?etag&no-cache" $no_xattrs_tempdir/output
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rm -f $no_xattrs_tempdir/output*
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echo "ok no-xattrs"
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fi
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