freedombonee/src/zeronetavahi

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# A script for using avahi to discover peers and update zeronet trackers
# Blogs and fora are discovered on the network and then published
# to an index file which can be opened in a browser
# License
# =======
#
# Copyright (C) 2015 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 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
WEB_PAGE_TITLE="Freedombone Mesh"
TRACKER_PORT=6969
ZERONET_INSTALL=/opt/zeronet
ZERONET_USER_HOME=/home/zeronet
MY_USERNAME=$USER
if [ ! -d $ZERONET_INSTALL ]; then
if [ -d /home/$MY_USERNAME/zeronet ]; then
ZERONET_INSTALL=/home/$MY_USERNAME/zeronet
else
exit 0
fi
fi
BLOGS_FILE=$ZERONET_INSTALL/freedombone-blogs
FORUM_FILE=$ZERONET_INSTALL/freedombone-fora
TOX_USERS_FILE=$ZERONET_INSTALL/freedombone-tox-users
ZERONET_INDEX=/home/$MY_USERNAME/mesh.html
ZERONET_CONFIG=$ZERONET_INSTALL/bootstrap
function create_index {
if [ -f $ZERONET_INDEX ]; then
sed -i "s|.*My Blog.*| <li><a href=\"$(cat /home/$MY_USERNAME/.config/zeronet/myblog)\">My Blog</a></li>|g" $ZERONET_INDEX
sed -i "s|.*My Forum.*| <li><a href=\"$(cat /home/$MY_USERNAME/.config/zeronet/myforum)\">My Forum</a></li>|g" $ZERONET_INDEX
return
fi
echo '<!DOCTYPE html>' > $ZERONET_INDEX
echo '<html>' >> $ZERONET_INDEX
echo '<head>' >> $ZERONET_INDEX
echo "<title>$WEB_PAGE_TITLE</title>" >> $ZERONET_INDEX
echo '</head>' >> $ZERONET_INDEX
echo '<body>' >> $ZERONET_INDEX
echo "<H1>$WEB_PAGE_TITLE</H1>" >> $ZERONET_INDEX
echo '' >> $ZERONET_INDEX
echo "<H2>Your Sites</H2>" >> $ZERONET_INDEX
echo '' >> $ZERONET_INDEX
echo '<ol type="square">' >> $ZERONET_INDEX
echo " <li><a href=\"$(cat /home/$MY_USERNAME/.config/zeronet/myblog)\">My Blog</a></li>" >> $ZERONET_INDEX
echo " <li><a href=\"$(cat /home/$MY_USERNAME/.config/zeronet/myforum)\">My Forum</a></li>" >> $ZERONET_INDEX
echo '</ol>' >> $ZERONET_INDEX
echo '' >> $ZERONET_INDEX
echo "<H2>On the Mesh</H2>" >> $ZERONET_INDEX
echo '' >> $ZERONET_INDEX
echo '<ol type="square">' >> $ZERONET_INDEX
echo " <li><a href=\"${BLOGS_FILE}.html\">Blogs</a></li>" >> $ZERONET_INDEX
echo " <li><a href=\"${FORUM_FILE}.html\">Fora</a></li>" >> $ZERONET_INDEX
echo " <li><a href=\"${TOX_USERS_FILE}.html\">Tox Users</a></li>" >> $ZERONET_INDEX
echo '</ol>' >> $ZERONET_INDEX
echo '' >> $ZERONET_INDEX
echo '</body>' >> $ZERONET_INDEX
echo '</html>' >> $ZERONET_INDEX
}
function create_header {
header_file=${1}-header.html
if [ -f $header_file ]; then
return
fi
echo '<!DOCTYPE html>' > $header_file
echo '<html>' >> $header_file
echo '<head>' >> $header_file
echo "<title>$WEB_PAGE_TITLE - $2</title>" >> $header_file
echo '<meta http-equiv="refresh" content="60">' >> $header_file
echo '</head>' >> $header_file
echo '<body>' >> $header_file
echo "<H1>$2</H1>" >> $header_file
}
function create_footer {
footer_file=${1}-footer.html
if [ -f $footer_file ]; then
return
fi
echo '</body>' >> $footer_file
echo '</html>' >> $footer_file
}
if [ ! -d /etc/avahi ]; then
exit 0
fi
# Create a list of bootstrap nodes
TEMPFILE_BASE=/tmp/tmpzeronetavahibase.txt
TEMPFILE=/tmp/tmpzeronetavahi.txt
avahi-browse -atr > $TEMPFILE_BASE
cat $TEMPFILE_BASE | grep "hostname =\|address =\|port =" > $TEMPFILE
if [ ! -f $TEMPFILE ]; then
exit 1
fi
if [ -f $ZERONET_CONFIG.new ]; then
rm -f $ZERONET_CONFIG.new
fi
touch $ZERONET_CONFIG.new
state=0
address=""
peer=""
tracker_ctr=0
while IFS='' read -r line || [[ -n "$line" ]]; do
if [ ${state} -eq "1" ]; then
if [[ $line == *"address ="* ]]; then
address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
tracker_url="http://$peer:$TRACKER_PORT/announce"
if ! grep -q "$tracker_url" $ZERONET_CONFIG.new; then
echo "$tracker_url" >> $ZERONET_CONFIG.new
tracker_ctr=$((tracker_ctr + 1))
fi
state=0
fi
fi
if [[ $line == *"hostname ="* ]]; then
peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
state=1
fi
done < "$TEMPFILE"
# detect blogs in the mesh
if [ -f $BLOGS_FILE.new ]; then
rm -f $BLOGS_FILE.new
fi
cat $TEMPFILE_BASE | grep "ZeroNet Blog\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
state=0
address=""
peer=""
echo '<ol type="square">' >> $BLOGS_FILE.new
while IFS='' read -r line || [[ -n "$line" ]]; do
if [ ${state} -eq "3" ]; then
if [[ $line == *"txt ="* ]]; then
blog_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
echo " <li><a href=${blog_url}>${peer}</a></li>" >> $BLOGS_FILE.new
state=0
fi
fi
if [ ${state} -eq "2" ]; then
if [[ $line == *"address ="* ]]; then
address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
state=3
fi
fi
if [ ${state} -eq "1" ]; then
if [[ $line == *"hostname ="* ]]; then
peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
state=2
fi
fi
if [[ $line == *"ZeroNet Blog"* && $line == "= "* ]]; then
state=1
fi
done < "$TEMPFILE"
echo '</ol>' >> $BLOGS_FILE.new
# detect fora in the mesh
if [ -f $FORUM_FILE.new ]; then
rm -f $FORUM_FILE.new
fi
cat $TEMPFILE_BASE | grep "ZeroNet Forum\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
state=0
address=""
peer=""
echo '<ol type="square">' >> $FORUM_FILE.new
while IFS='' read -r line || [[ -n "$line" ]]; do
if [ ${state} -eq "3" ]; then
if [[ $line == *"txt ="* ]]; then
forum_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
echo " <li><a href=${forum_url}>${peer}</a></li>" >> $FORUM_FILE.new
state=0
fi
fi
if [ ${state} -eq "2" ]; then
if [[ $line == *"address ="* ]]; then
address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
state=3
fi
fi
if [ ${state} -eq "1" ]; then
if [[ $line == *"hostname ="* ]]; then
peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
state=2
fi
fi
if [[ $line == *"ZeroNet Forum"* && $line == "= "* ]]; then
state=1
fi
done < "$TEMPFILE"
echo '<ol>' >> $FORUM_FILE.new
# detect Tox users
lstox > $TEMPFILE
toxctr=0
echo '<ol type="square">' >> $TOX_USERS_FILE.new
while IFS='' read -r line || [[ -n "$line" ]]; do
if [[ $line != "Failed*" ]]; then
echo " <li>$line</li>" >> $TOX_USERS_FILE.new
toxctr=$((toxctr + 1))
fi
done < "$TEMPFILE"
if [ $toxctr -eq "0" ]; then
echo " <li>No users found</li>" >> $TOX_USERS_FILE.new
fi
echo '<ol>' >> $TOX_USERS_FILE.new
rm -f $TEMPFILE_BASE
rm -f $TEMPFILE
if [ ${tracker_ctr} -gt "0" ]; then
cp -f $ZERONET_CONFIG.new $ZERONET_CONFIG
else
if [ -f $ZERONET_CONFIG ]; then
rm -f $ZERONET_CONFIG
fi
fi
rm -f $ZERONET_CONFIG.new
if [ -d $ZERONET_USER_HOME ]; then
sudo chown zeronet:zeronet $ZERONET_CONFIG
fi
# make some html headers and footers
create_header $BLOGS_FILE "Blogs"
create_header $FORUM_FILE "Fora"
create_header $TOX_USERS_FILE "Tox Users"
create_footer $BLOGS_FILE
create_footer $FORUM_FILE
create_footer $TOX_USERS_FILE
# make the index page
create_index
# create a web page showing the available blogs
cat ${BLOGS_FILE}-header.html ${BLOGS_FILE}.new ${BLOGS_FILE}-footer.html > ${BLOGS_FILE}.html
rm -f ${BLOGS_FILE}.new
if [ -d $ZERONET_USER_HOME ]; then
sudo chown zeronet:zeronet $BLOGS_FILE
fi
# create a web page showing the available fora
cat ${FORUM_FILE}-header.html ${FORUM_FILE}.new ${FORUM_FILE}-footer.html > ${FORUM_FILE}.html
rm -f ${FORUM_FILE}.new
if [ -d $ZERONET_USER_HOME ]; then
sudo chown zeronet:zeronet $FORUM_FILE
fi
# create a web page showing Tox users
cat ${TOX_USERS_FILE}-header.html ${TOX_USERS_FILE}.new ${TOX_USERS_FILE}-footer.html > ${TOX_USERS_FILE}.html
rm -f ${TOX_USERS_FILE}.new
if [ -d $ZERONET_USER_HOME ]; then
sudo chown zeronet:zeronet $TOX_USERS_FILE
fi
exit 0