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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
33 lines
1.1 KiB
Bash
Executable File
33 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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dir=$1
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cmd=${2:-python -m SimpleHTTPServer 0}
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test_tmpdir=$(pwd)
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[ "$dir" != "" ] && cd ${dir}
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env PYTHONUNBUFFERED=1 setsid $cmd >${test_tmpdir}/httpd-output &
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child_pid=$!
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echo "Web server pid: $child_pid" >&2
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for x in $(seq 300); do
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echo "Waiting for web server ($x/300)..." >&2
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# Snapshot the output
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cp ${test_tmpdir}/httpd-output{,.tmp}
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sed -ne 's/^/# httpd-output.tmp: /' < ${test_tmpdir}/httpd-output.tmp >&2
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echo >&2
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# If it's non-empty, see whether it matches our regexp
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if test -s ${test_tmpdir}/httpd-output.tmp; then
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sed -e 's,Serving HTTP on 0.0.0.0 port \([0-9]*\) \.\.\.,\1,' < ${test_tmpdir}/httpd-output.tmp > ${test_tmpdir}/httpd-port
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if ! cmp ${test_tmpdir}/httpd-output.tmp ${test_tmpdir}/httpd-port 1>/dev/null; then
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# If so, we've successfully extracted the port
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break
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fi
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fi
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sleep 0.1
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done
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port=$(cat ${test_tmpdir}/httpd-port)
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echo "http://127.0.0.1:${port}" > ${test_tmpdir}/httpd-address
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echo "$child_pid" > ${test_tmpdir}/httpd-pid
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