freedombone/src/freedombone-syncthing

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Checks for changed syncthing device IDs within user home directories
# and then recreates the syncthing configuration file accordingly
#
# License
# =======
#
# Copyright (C) 2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
NO_OF_ARGS=$#
PROJECT_NAME='freedombone'
export TEXTDOMAIN=$PROJECT_NAME-syncthing
export TEXTDOMAINDIR="/usr/share/locale"
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source /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-validation
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# File which keeps track of what has already been installed
COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
SYNCTHING_ID=
SYNCTHING_CONFIG_PATH=/root/.config/syncthing
SYNCTHING_CONFIG_FILE=$SYNCTHING_CONFIG_PATH/config.xml
SYNCTHING_RELAY_SERVER='https://relays.syncthing.net/endpoint'
SYNCTHING_RELEASES='https://api.github.com/repos/syncthing/syncthing/releases?per_page=30'
SYNCTHING_PORT=22000
SYNCTHING_SHARED_DATA=/var/lib/syncthing/SyncShared
SYNCTHING_USER_IDS_FILE='.syncthingids'
SYNCTHING_UPDATE_FILE='.syncthing-update'
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CHANGED=
TEMP_IDS_FILE=/root/.synthingids
function new_syncthing_id {
for i in {1..8}
do
v=""
for j in {1..2}
do
v2=`echo "obase=16;$RANDOM" | bc`
v=$v$v2
done
v=$(echo "$v" | cut -c1-7)
if [[ ${i} < 8 ]]; then
v=$v"-"
fi
echo -n "$v"
done
echo "$v"
}
function create_syncthing_config {
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if grep -q "syncthing ID" $COMPLETION_FILE; then
SYNCTHING_ID=$(cat $COMPLETION_FILE | grep "syncthing ID" | awk -F ':' '{print $2}')
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else
if [ -f $SYNCTHING_CONFIG_FILE ]; then
SYNCTHING_ID=$(cat $SYNCTHING_CONFIG_FILE | grep "device id=" | head -n 1 | awk -F '"' '{print $2}')
else
SYNCTHING_ID=$(new_syncthing_id)
fi
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fi
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if ! grep -q "syncthing ID" $COMPLETION_FILE; then
echo "syncthing ID:$SYNCTHING_ID" >> $COMPLETION_FILE
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else
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sed -i "s|syncthing ID.*|syncthing ID:$SYNCTHING_ID|g" $COMPLETION_FILE
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fi
if [ ! -d $SYNCTHING_CONFIG_PATH ]; then
mkdir -p $SYNCTHING_CONFIG_PATH
fi
if [ ! -d $SYNCTHING_SHARED_DATA ]; then
mkdir -p $SYNCTHING_SHARED_DATA
fi
echo '<configuration version="12">' > $SYNCTHING_CONFIG_FILE
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
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echo " <folder id=\"$USERNAME\" path=\"/home/$USERNAME/Sync/\" ro=\"false\" rescanIntervalS=\"60\" ignorePerms=\"false\" autoNormalize=\"true\">" >> $SYNCTHING_CONFIG_FILE
# include any specified device IDs for this user
if [ -f /home/$USERNAME/$SYNCTHING_USER_IDS_FILE ]; then
echo "" > $TEMP_IDS_FILE
while read -r line || [[ -n "$line" ]]; do
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line2="$(echo -e "${line}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
if [[ $line2 != *"#"* && $line2 != *"*"* && $line2 != *'/'* && $line2 == *"-"* ]]; then
if [ ${#line2} -gt 10 ]; then
if ! grep -q "$line2" $TEMP_IDS_FILE; then
echo " <device id=\"$line2\"></device>" >> $SYNCTHING_CONFIG_FILE
echo "$line2" >> $TEMP_IDS_FILE
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fi
fi
fi
done < /home/$USERNAME/$SYNCTHING_USER_IDS_FILE
rm $TEMP_IDS_FILE
fi
echo " <device id=\"$SYNCTHING_ID\"></device>" >> $SYNCTHING_CONFIG_FILE
echo ' <minDiskFreePct>1</minDiskFreePct>' >> $SYNCTHING_CONFIG_FILE
echo ' <versioning></versioning>' >> $SYNCTHING_CONFIG_FILE
echo ' <copiers>0</copiers>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullers>0</pullers>' >> $SYNCTHING_CONFIG_FILE
echo ' <hashers>0</hashers>' >> $SYNCTHING_CONFIG_FILE
echo ' <order>random</order>' >> $SYNCTHING_CONFIG_FILE
echo ' <ignoreDelete>false</ignoreDelete>' >> $SYNCTHING_CONFIG_FILE
echo ' <scanProgressIntervalS>0</scanProgressIntervalS>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullerSleepS>0</pullerSleepS>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullerPauseS>0</pullerPauseS>' >> $SYNCTHING_CONFIG_FILE
echo ' <maxConflicts>10</maxConflicts>' >> $SYNCTHING_CONFIG_FILE
echo ' <disableSparseFiles>false</disableSparseFiles>' >> $SYNCTHING_CONFIG_FILE
echo ' </folder>' >> $SYNCTHING_CONFIG_FILE
fi
done
echo " <folder id=\"shared\" path=\"$SYNCTHING_SHARED_DATA/\" ro=\"false\" rescanIntervalS=\"60\" ignorePerms=\"false\" autoNormalize=\"true\">" >> $SYNCTHING_CONFIG_FILE
# all user devices may access this shared directory
echo "" > $TEMP_IDS_FILE
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
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if [ -f /home/$USERNAME/$SYNCTHING_USER_IDS_FILE ]; then
while read -r line || [[ -n "$line" ]]; do
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line2="$(echo -e "${line}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
if [[ $line2 != *"#"* && $line2 != *"*"* && $line2 != *'/'* && $line2 == *"-"* ]]; then
if [ ${#line2} -gt 10 ]; then
if ! grep -q "$line2" $TEMP_IDS_FILE; then
echo " <device id=\"$line2\"></device>" >> $SYNCTHING_CONFIG_FILE
echo "$line2" >> $TEMP_IDS_FILE
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fi
fi
fi
done < /home/$USERNAME/$SYNCTHING_USER_IDS_FILE
fi
fi
done
rm $TEMP_IDS_FILE
echo " <device id=\"$SYNCTHING_ID\"></device>" >> $SYNCTHING_CONFIG_FILE
echo ' <minDiskFreePct>1</minDiskFreePct>' >> $SYNCTHING_CONFIG_FILE
echo ' <versioning></versioning>' >> $SYNCTHING_CONFIG_FILE
echo ' <copiers>0</copiers>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullers>0</pullers>' >> $SYNCTHING_CONFIG_FILE
echo ' <hashers>0</hashers>' >> $SYNCTHING_CONFIG_FILE
echo ' <order>random</order>' >> $SYNCTHING_CONFIG_FILE
echo ' <ignoreDelete>false</ignoreDelete>' >> $SYNCTHING_CONFIG_FILE
echo ' <scanProgressIntervalS>0</scanProgressIntervalS>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullerSleepS>0</pullerSleepS>' >> $SYNCTHING_CONFIG_FILE
echo ' <pullerPauseS>0</pullerPauseS>' >> $SYNCTHING_CONFIG_FILE
echo ' <maxConflicts>10</maxConflicts>' >> $SYNCTHING_CONFIG_FILE
echo ' <disableSparseFiles>false</disableSparseFiles>' >> $SYNCTHING_CONFIG_FILE
echo ' </folder>' >> $SYNCTHING_CONFIG_FILE
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echo " <device id=\"$SYNCTHING_ID\" name=\"${PROJECT_NAME}\" compression=\"metadata\" introducer=\"false\">" >> $SYNCTHING_CONFIG_FILE
echo ' <address>dynamic</address>' >> $SYNCTHING_CONFIG_FILE
echo ' </device>' >> $SYNCTHING_CONFIG_FILE
echo "" > $TEMP_IDS_FILE
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
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if [ -f /home/$USERNAME/$SYNCTHING_USER_IDS_FILE ]; then
while read -r line || [[ -n "$line" ]]; do
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line2="$(echo -e "${line}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
if [[ $line2 != *"#"* && $line2 != *"*"* && $line2 != *'/'* && $line2 == *"-"* ]]; then
if [ ${#line2} -gt 10 ]; then
if ! grep -q "$line2" $TEMP_IDS_FILE; then
echo " <device id=\"$line2\" name=\"${USERNAME}\" compression=\"metadata\" introducer=\"false\">" >> $SYNCTHING_CONFIG_FILE
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echo ' <address>dynamic</address>' >> $SYNCTHING_CONFIG_FILE
echo ' </device>' >> $SYNCTHING_CONFIG_FILE
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echo "$line2" >> $TEMP_IDS_FILE
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fi
fi
fi
done < /home/$USERNAME/$SYNCTHING_USER_IDS_FILE
fi
fi
done
rm $TEMP_IDS_FILE
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echo ' <options>' >> $SYNCTHING_CONFIG_FILE
echo " <listenAddress>tcp://0.0.0.0:$SYNCTHING_PORT</listenAddress>" >> $SYNCTHING_CONFIG_FILE
echo ' <globalAnnounceServer>default</globalAnnounceServer>' >> $SYNCTHING_CONFIG_FILE
echo ' <globalAnnounceEnabled>true</globalAnnounceEnabled>' >> $SYNCTHING_CONFIG_FILE
echo ' <localAnnounceEnabled>true</localAnnounceEnabled>' >> $SYNCTHING_CONFIG_FILE
echo ' <localAnnouncePort>21027</localAnnouncePort>' >> $SYNCTHING_CONFIG_FILE
echo ' <localAnnounceMCAddr>[ff12::8384]:21027</localAnnounceMCAddr>' >> $SYNCTHING_CONFIG_FILE
echo " <relayServer>dynamic+$SYNCTHING_RELAY_SERVER</relayServer>" >> $SYNCTHING_CONFIG_FILE
echo ' <maxSendKbps>0</maxSendKbps>' >> $SYNCTHING_CONFIG_FILE
echo ' <maxRecvKbps>0</maxRecvKbps>' >> $SYNCTHING_CONFIG_FILE
echo ' <reconnectionIntervalS>60</reconnectionIntervalS>' >> $SYNCTHING_CONFIG_FILE
echo ' <relaysEnabled>true</relaysEnabled>' >> $SYNCTHING_CONFIG_FILE
echo ' <relayReconnectIntervalM>10</relayReconnectIntervalM>' >> $SYNCTHING_CONFIG_FILE
echo ' <startBrowser>true</startBrowser>' >> $SYNCTHING_CONFIG_FILE
echo ' <upnpEnabled>true</upnpEnabled>' >> $SYNCTHING_CONFIG_FILE
echo ' <upnpLeaseMinutes>60</upnpLeaseMinutes>' >> $SYNCTHING_CONFIG_FILE
echo ' <upnpRenewalMinutes>30</upnpRenewalMinutes>' >> $SYNCTHING_CONFIG_FILE
echo ' <upnpTimeoutSeconds>10</upnpTimeoutSeconds>' >> $SYNCTHING_CONFIG_FILE
echo ' <urAccepted>-1</urAccepted>' >> $SYNCTHING_CONFIG_FILE
echo ' <urUniqueID></urUniqueID>' >> $SYNCTHING_CONFIG_FILE
echo ' <urURL>https://data.syncthing.net/newdata</urURL>' >> $SYNCTHING_CONFIG_FILE
echo ' <urPostInsecurely>false</urPostInsecurely>' >> $SYNCTHING_CONFIG_FILE
echo ' <urInitialDelayS>1800</urInitialDelayS>' >> $SYNCTHING_CONFIG_FILE
echo ' <restartOnWakeup>true</restartOnWakeup>' >> $SYNCTHING_CONFIG_FILE
echo ' <autoUpgradeIntervalH>12</autoUpgradeIntervalH>' >> $SYNCTHING_CONFIG_FILE
echo ' <keepTemporariesH>24</keepTemporariesH>' >> $SYNCTHING_CONFIG_FILE
echo ' <cacheIgnoredFiles>true</cacheIgnoredFiles>' >> $SYNCTHING_CONFIG_FILE
echo ' <progressUpdateIntervalS>5</progressUpdateIntervalS>' >> $SYNCTHING_CONFIG_FILE
echo ' <symlinksEnabled>true</symlinksEnabled>' >> $SYNCTHING_CONFIG_FILE
echo ' <limitBandwidthInLan>false</limitBandwidthInLan>' >> $SYNCTHING_CONFIG_FILE
echo ' <minHomeDiskFreePct>1</minHomeDiskFreePct>' >> $SYNCTHING_CONFIG_FILE
echo " <releasesURL>$SYNCTHING_RELEASES</releasesURL>" >> $SYNCTHING_CONFIG_FILE
echo ' </options>' >> $SYNCTHING_CONFIG_FILE
echo '</configuration>' >> $SYNCTHING_CONFIG_FILE
# give each user account a file containing the device id for this server
# This allows it to appear within the user control panel
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
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echo "$SYNCTHING_ID" > /home/$USERNAME/.syncthing-server-id
chown $USERNAME:$USERNAME /home/$USERNAME/.syncthing-server-id
fi
done
}
function user_devices_changed {
CHANGED=
if [ ! -f $SYNCTHING_CONFIG_FILE ]; then
CHANGED=1
return
fi
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if ! grep -q "${PROJECT_NAME}" $SYNCTHING_CONFIG_FILE; then
CHANGED=1
return
fi
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for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -f /home/$USERNAME/$SYNCTHING_UPDATE_FILE ]; then
CHANGED=1
fi
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if [ -f /home/$USERNAME/$SYNCTHING_USER_IDS_FILE ]; then
while read -r line || [[ -n "$line" ]]; do
if [[ $line != *"#"* && $line != *"*"* && $line != *'/'* && $line == *"-"* ]]; then
if [ ${#line} -gt 10 ]; then
if ! grep -q "$line" $SYNCTHING_CONFIG_FILE; then
CHANGED=1
fi
fi
fi
done < /home/$USERNAME/$SYNCTHING_USER_IDS_FILE
fi
fi
done
}
user_devices_changed
if [ $CHANGED ]; then
create_syncthing_config
systemctl restart syncthing
fi
exit 0