joal/scripts/bittorrent-client-update-detector/transmission.sh
2023-05-03 18:32:39 +02:00

105 lines
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#!/bin/bash
downloadAndExtract() {
if [ -z ${1+x} ]; then
# Download latest release
tarballUrl=$(curl -s https://api.github.com/repos/transmission/transmission/releases/latest \
| grep "tarball_url" \
| head -1 \
| cut -d : -f 2,3 \
| cut -d , -f 1 \
| tr -d \")
else
# download the release from the "tarball_url" given in parameter (see https://api.github.com/repos/transmission/transmission/releases)
tarballUrl=$1
fi
curl -L $tarballUrl --output $transmissionTempFolder/transmission.tar.gz
# uncompress the archive
tar -xzf $transmissionTempFolder/transmission.tar.gz -C $transmissionTempFolder/ --strip 1
}
getUserAgent () {
# double check that the userAgent generation has not changed
if [ $(grep -c 'return TR_NAME "/" SHORT_VERSION_STRING;' $transmissionTempFolder/libtransmission/session.cc) -lt 1 ]; then
echo "WHHHHHOOOOPS, the user agent generator might have changed."
exit 1
fi
# userAgent is a concatenation of TR_NAME + "/" + SHORT_VERSION_STRING
local userAgentPattern="TR_NAME/SHORT_VERSION_STRING"
# get TR_NAME value
local TR_NAME=$(grep "TR_NAME" $transmissionTempFolder/libtransmission/session.h | cut -d'"' -f 2) # Get the value between quotes
# get SHORT_VERSION_STRING value
# SHORT_VERSION_STRING = "${TR_USER_AGENT_PREFIX}"; TR_USER_AGENT_PREFIX = "${TR_SEMVER}"; TR_SEMVER="${TR_VERSION_MAJOR}.${TR_VERSION_MINOR}.${TR_VERSION_PATCH}"
if [ $(grep -cF '#define SHORT_VERSION_STRING "${TR_USER_AGENT_PREFIX}"' $transmissionTempFolder/libtransmission/version.h.in) -lt 1 ]; then
echo "WHHHHHOOOOPS, the user agent SHORT_VERSION_STRING might have changed."
exit 1
fi
if [ $(grep -cF 'set(TR_USER_AGENT_PREFIX "${TR_SEMVER}")' $transmissionTempFolder/CMakeLists.txt) -lt 1 ]; then
echo "WHHHHHOOOOPS, the user agent TR_USER_AGENT_PREFIX variable might have changed."
exit 1
fi
if [ $(grep -cF 'set(TR_SEMVER "${TR_VERSION_MAJOR}.${TR_VERSION_MINOR}.${TR_VERSION_PATCH}")' $transmissionTempFolder/CMakeLists.txt) -lt 1 ]; then
echo "WHHHHHOOOOPS, the user agent TR_SEMVER variable might have changed."
exit 1
fi
local TR_VERSION_MAJOR=$(grep "set(TR_VERSION_MAJOR" $transmissionTempFolder/CMakeLists.txt | cut -d'"' -f 2) # Get the value between quotes
local TR_VERSION_MINOR=$(grep "set(TR_VERSION_MINOR" $transmissionTempFolder/CMakeLists.txt | cut -d'"' -f 2) # Get the value between quotes
local TR_VERSION_PATCH=$(grep "set(TR_VERSION_PATCH" $transmissionTempFolder/CMakeLists.txt | cut -d'"' -f 2) # Get the value between quotes
local TR_SEMVER="${TR_VERSION_MAJOR}.${TR_VERSION_MINOR}.${TR_VERSION_PATCH}"
local TR_USER_AGENT_PREFIX="${TR_SEMVER}"
local SHORT_VERSION_STRING="${TR_USER_AGENT_PREFIX}"
local userAgent=$(echo $userAgentPattern | sed "s/TR_NAME/${TR_NAME}/g" |sed "s/SHORT_VERSION_STRING/${SHORT_VERSION_STRING}/g")
echo $userAgent
}
getPeerIdPrefix () {
# double check that the peer_id_prefix generation has not changed
if [ $(grep -cF 'peer_id_prefix="-TR${BASE62[$(( 10#$major_version ))]}${BASE62[$(( 10#$minor_version ))]}${BASE62[$(( 10#$patch_version ))]}"' $transmissionTempFolder/update-version-h.sh) -lt 1 ]; then
echo "WHHHHHOOOOPS, the peer_id_prefix generator might have changed."
exit 1
fi
if [ $(grep -cF '#define PEERID_PREFIX "${peer_id_prefix}"' $transmissionTempFolder/update-version-h.sh) -lt 1 ]; then
echo "WHHHHHOOOOPS, the peer_id_prefix value attribution might have changed."
exit 1
fi
local major_version=$(grep 'set[(]TR_VERSION_MAJOR' $transmissionTempFolder/CMakeLists.txt | cut -d \" -f 2)
local minor_version=$(grep 'set[(]TR_VERSION_MINOR' $transmissionTempFolder/CMakeLists.txt | cut -d \" -f 2)
local patch_version=$(grep 'set[(]TR_VERSION_PATCH' $transmissionTempFolder/CMakeLists.txt | cut -d \" -f 2)
local BASE62=($(echo {0..9} {A..A} {a..z}))
local peer_id_prefix=$"-TR${BASE62[$(( 10#$major_version ))]}${BASE62[$(( 10#$minor_version ))]}${BASE62[$(( 10#$patch_version ))]}"
peer_id_prefix="${peer_id_prefix}0-"
echo $peer_id_prefix
}
transmissionTempFolder="./tempSource/transmission"
rm -rf $transmissionTempFolder
mkdir -p $transmissionTempFolder
downloadAndExtract
userAgent="$(getUserAgent)"
echo "User-Agent is: $userAgent"
peerIdPrefix="$(getPeerIdPrefix)"
echo "Peer_id prefix is: $peerIdPrefix"
# fn de generation des key : https://github.com/transmission/transmission/blob/9d2507c7e32d60d91cf91dc6ef0147f568d44111/libtransmission/torrent.h > constexpr auto announce_key() const noexcept
echo "key : An int between 1 and 4294967295 (inclusive) which is converted to hex (without leading zero)"
# clean tempSource folder
rm -rf $transmissionTempFolder