Produce notifications when users join the mesh

src/zeronetavahi

@@ -76,346 +76,379 @@ ZERONET_ID_STR="ZeroNet ID Service"
 TEMPFILE_BASE=$(mktemp /tmp/zeronetavahibase.XXXXXX)
 TEMPFILE=$(mktemp /tmp/zeronetavahi.XXXXXX)
 
+# List of tox users previously seen
+PREV_TOX_USERS_FILE=/root/.prev_tox_users
+
 function ipfs_bootstrap {
-	cat $TEMPFILE_BASE | grep "IPFS\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
-
-	state=0
-	address=""
-	peer=""
-	while IFS='' read -r line || [[ -n "$line" ]]; do
-		if [ ${state} -eq "3" ]; then
-			if [[ $line == *"txt ="* ]]; then
-				ipfs_peer_id=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}' | awk -F '"' '{print $2}')
-				ipfs bootstrap add /ip4/${address}/tcp/${IPFS_PORT}/ipfs/${ipfs_peer_id}
-				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 == *"IPFS"* && $line == "= "* ]]; then
-			state=1
-		fi
-	done < "$TEMPFILE"
+    cat $TEMPFILE_BASE | grep "IPFS\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
+
+    state=0
+    address=""
+    peer=""
+    while IFS='' read -r line || [[ -n "$line" ]]; do
+        if [ ${state} -eq "3" ]; then
+            if [[ $line == *"txt ="* ]]; then
+                ipfs_peer_id=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}' | awk -F '"' '{print $2}')
+                ipfs bootstrap add /ip4/${address}/tcp/${IPFS_PORT}/ipfs/${ipfs_peer_id}
+                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 == *"IPFS"* && $line == "= "* ]]; then
+            state=1
+        fi
+    done < "$TEMPFILE"
+}
+
+function detect_new_tox_users {
+    CURRENT_USERS_FILE=$1
+
+    if [ ! -f $CURRENT_USERS_FILE ]; then
+        return
+    fi
+
+    # Check that this is a GUI installation with a desktop
+    if [ ! -d /home/fbone/Desktop ]; then
+        return
+    fi
+
+    # Produce notifications if new users appear
+    if [ -f $PREV_TOX_USERS_FILE ]; then
+        while IFS='' read -r line || [[ -n "$line" ]]; do
+            if ! grep -q "$line" $PREV_TOX_USERS_FILE; then
+                # get the nick of the user
+                toxuser="$(echo "$line" | awk -F ' ' '{print $1}')"
+
+                notify-send $"$PROJECT_NAME mesh" $"$toxuser has joined the mesh" --icon=dialog-information
+            fi
+        done < "$CURRENT_USERS_FILE"
+    fi
+
+    # Store the previous tox users list
+    cp -f $CURRENT_USERS_FILE $PREV_TOX_USERS_FILE
 }
 
 function detect_tox_users {
-	# don't show the first peer field
-	lstox | awk -F ' ' '{$1=""; print $0}' | sed -e 's/^[[:space:]]*//' | sort -d > $TEMPFILE
-
-	toxctr=0
-	echo '<ol type="square">' >> $TOX_USERS_FILE.new
-	while IFS='' read -r line || [[ -n "$line" ]]; do
-		if [[ $line != "Failed*" && $line != "data "* ]]; then
-			echo "  <li>$line</li>" >> $TOX_USERS_FILE.new
-			toxctr=$((toxctr + 1))
-		fi
-	done < "$TEMPFILE"
-	if [ $toxctr -eq "0" ]; then
-		echo "  <li>${NO_USERS_STR}</li>" >> $TOX_USERS_FILE.new
-	fi
-	echo '<ol>' >> $TOX_USERS_FILE.new
+    # don't show the first peer field
+    lstox | awk -F ' ' '{$1=""; print $0}' | sed -e 's/^[[:space:]]*//' | sort -d > $TEMPFILE
+
+    detect_new_tox_users $TEMPFILE
+
+    toxctr=0
+    echo '<ol type="square">' >> $TOX_USERS_FILE.new
+    while IFS='' read -r line || [[ -n "$line" ]]; do
+        if [[ $line != "Failed*" && $line != "data "* ]]; then
+            echo "  <li>$line</li>" >> $TOX_USERS_FILE.new
+            toxctr=$((toxctr + 1))
+        fi
+    done < "$TEMPFILE"
+    if [ $toxctr -eq "0" ]; then
+        echo "  <li>${NO_USERS_STR}</li>" >> $TOX_USERS_FILE.new
+    fi
+    echo '<ol>' >> $TOX_USERS_FILE.new
 }
 
 function assemble_web_page {
-	f="$1"
-	fhome="$2"
-	cat "${f}-header.html" "${f}.new" "${f}-footer.html" > "${f}.html"
-	rm -f "${f}.new"
-	if [ -d "${fhome}" ]; then
-		sudo chown zeronet:zeronet "$f"
-	fi
+    f="$1"
+    fhome="$2"
+    cat "${f}-header.html" "${f}.new" "${f}-footer.html" > "${f}.html"
+    rm -f "${f}.new"
+    if [ -d "${fhome}" ]; then
+        sudo chown zeronet:zeronet "$f"
+    fi
 }
 
 function create_index {
-	blogaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myblog)
-	mailaddress=$(cat /home/$MY_USERNAME/.config/zeronet/mymail)
-	forumaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myforum)
-	idaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myzeroid)
-	if [ -f $ZERONET_INDEX ]; then
-		sed -i "s|.*${MY_BLOG_STR}.*|  <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>|g" $ZERONET_INDEX
-		sed -i "s|.*${MY_MAIL_STR}.*|  <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>|g" $ZERONET_INDEX
-		sed -i "s|.*${MY_FORUM_STR}.*|  <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>|g" $ZERONET_INDEX
-		sed -i "s|.*${MY_ID_STR}.*|  <li><a href=\"${idaddress}\">${MY_ID_STR}</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_STR}</H2>" >> $ZERONET_INDEX
-	echo '' >> $ZERONET_INDEX
-	echo '<ol type="square">' >> $ZERONET_INDEX
-	echo "  <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${idaddress}\">${MY_ID_STR}</a></li>" >> $ZERONET_INDEX
+    blogaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myblog)
+    mailaddress=$(cat /home/$MY_USERNAME/.config/zeronet/mymail)
+    forumaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myforum)
+    idaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myzeroid)
+    if [ -f $ZERONET_INDEX ]; then
+        sed -i "s|.*${MY_BLOG_STR}.*|  <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>|g" $ZERONET_INDEX
+        sed -i "s|.*${MY_MAIL_STR}.*|  <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>|g" $ZERONET_INDEX
+        sed -i "s|.*${MY_FORUM_STR}.*|  <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>|g" $ZERONET_INDEX
+        sed -i "s|.*${MY_ID_STR}.*|  <li><a href=\"${idaddress}\">${MY_ID_STR}</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_STR}</H2>" >> $ZERONET_INDEX
+    echo '' >> $ZERONET_INDEX
+    echo '<ol type="square">' >> $ZERONET_INDEX
+    echo "  <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${idaddress}\">${MY_ID_STR}</a></li>" >> $ZERONET_INDEX
 #    echo "  <li><a href=\"http://localhost:5001/webui\">File Share</a></li>" >> $ZERONET_INDEX
-	echo '</ol>' >> $ZERONET_INDEX
-	echo '' >> $ZERONET_INDEX
-	echo "<H2>${ON_THE_MESH_STR}</H2>" >> $ZERONET_INDEX
-	echo '' >> $ZERONET_INDEX
-	echo '<ol type="square">' >> $ZERONET_INDEX
-	echo "  <li><a href=\"${BLOGS_FILE}.html\">${BLOGS_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${MAIL_FILE}.html\">${MAIL_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${FORUM_FILE}.html\">${FORA_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${ID_FILE}.html\">${ID_STR}</a></li>" >> $ZERONET_INDEX
-	echo "  <li><a href=\"${TOX_USERS_FILE}.html\">${TOX_STR}</a></li>" >> $ZERONET_INDEX
-	echo '</ol>' >> $ZERONET_INDEX
-	echo '' >> $ZERONET_INDEX
-	echo '</body>' >> $ZERONET_INDEX
-	echo '</html>' >> $ZERONET_INDEX
+    echo '</ol>' >> $ZERONET_INDEX
+    echo '' >> $ZERONET_INDEX
+    echo "<H2>${ON_THE_MESH_STR}</H2>" >> $ZERONET_INDEX
+    echo '' >> $ZERONET_INDEX
+    echo '<ol type="square">' >> $ZERONET_INDEX
+    echo "  <li><a href=\"${BLOGS_FILE}.html\">${BLOGS_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${MAIL_FILE}.html\">${MAIL_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${FORUM_FILE}.html\">${FORA_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${ID_FILE}.html\">${ID_STR}</a></li>" >> $ZERONET_INDEX
+    echo "  <li><a href=\"${TOX_USERS_FILE}.html\">${TOX_STR}</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>" >> $header_file
+    header_file=${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>' >> $footer_file
+    footer_file=${1}-footer.html
+    if [ -f $footer_file ]; then
+        return
+    fi
+    echo '</body>' >> $footer_file
+    echo '</html>' >> $footer_file
 }
 
 function avahi_extract_info {
-	# Create a list of bootstrap nodes
-	avahi-browse -atr > $TEMPFILE_BASE
-	cat $TEMPFILE_BASE | grep "hostname =\|address =\|port =" > $TEMPFILE
-	if [ ! -f $TEMPFILE ]; then
-		exit 1
-	fi
+    # Create a list of bootstrap nodes
+    avahi-browse -atr > $TEMPFILE_BASE
+    cat $TEMPFILE_BASE | grep "hostname =\|address =\|port =" > $TEMPFILE
+    if [ ! -f $TEMPFILE ]; then
+        exit 1
+    fi
 }
 
 function zeronet_detect {
-	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"
+    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"
 }
 
 function zeronet_detect_blog {
-	if [ -f $BLOGS_FILE.new ]; then
-		rm -f $BLOGS_FILE.new
-	fi
-
-	cat $TEMPFILE_BASE | grep "${ZERONET_BLOG_STR}\|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_STR}"* && $line == "= "* ]]; then
-			state=1
-		fi
-	done < "$TEMPFILE"
-	echo '</ol>' >> $BLOGS_FILE.new
+    if [ -f $BLOGS_FILE.new ]; then
+        rm -f $BLOGS_FILE.new
+    fi
+
+    cat $TEMPFILE_BASE | grep "${ZERONET_BLOG_STR}\|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_STR}"* && $line == "= "* ]]; then
+            state=1
+        fi
+    done < "$TEMPFILE"
+    echo '</ol>' >> $BLOGS_FILE.new
 }
 
 function zeronet_detect_mail {
-	if [ -f $MAIL_FILE.new ]; then
-		rm -f $MAIL_FILE.new
-	fi
-
-	cat $TEMPFILE_BASE | grep "${ZERONET_MAIL_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
-
-	state=0
-	address=""
-	peer=""
-	echo '<ol type="square">' >> $MAIL_FILE.new
-	while IFS='' read -r line || [[ -n "$line" ]]; do
-		if [ ${state} -eq "3" ]; then
-			if [[ $line == *"txt ="* ]]; then
-				mail_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
-				echo "  <li><a href=${mail_url}>${peer}</a></li>" >> $MAIL_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_MAIL_STR}"* && $line == "= "* ]]; then
-			state=1
-		fi
-	done < "$TEMPFILE"
-	echo '</ol>' >> $MAIL_FILE.new
+    if [ -f $MAIL_FILE.new ]; then
+        rm -f $MAIL_FILE.new
+    fi
+
+    cat $TEMPFILE_BASE | grep "${ZERONET_MAIL_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
+
+    state=0
+    address=""
+    peer=""
+    echo '<ol type="square">' >> $MAIL_FILE.new
+    while IFS='' read -r line || [[ -n "$line" ]]; do
+        if [ ${state} -eq "3" ]; then
+            if [[ $line == *"txt ="* ]]; then
+                mail_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
+                echo "  <li><a href=${mail_url}>${peer}</a></li>" >> $MAIL_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_MAIL_STR}"* && $line == "= "* ]]; then
+            state=1
+        fi
+    done < "$TEMPFILE"
+    echo '</ol>' >> $MAIL_FILE.new
 }
 
 function zeronet_detect_fora {
-	if [ -f $FORUM_FILE.new ]; then
-		rm -f $FORUM_FILE.new
-	fi
-
-	cat $TEMPFILE_BASE | grep "${ZERONET_FORUM_STR}\|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_STR}"* && $line == "= "* ]]; then
-			state=1
-		fi
-	done < "$TEMPFILE"
-	echo '<ol>' >> $FORUM_FILE.new
+    if [ -f $FORUM_FILE.new ]; then
+        rm -f $FORUM_FILE.new
+    fi
+
+    cat $TEMPFILE_BASE | grep "${ZERONET_FORUM_STR}\|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_STR}"* && $line == "= "* ]]; then
+            state=1
+        fi
+    done < "$TEMPFILE"
+    echo '<ol>' >> $FORUM_FILE.new
 }
 
 function zeronet_detect_id {
-	if [ -f $ID_FILE.new ]; then
-		rm -f $ID_FILE.new
-	fi
-
-	cat $TEMPFILE_BASE | grep "${ZERONET_ID_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
-
-	state=0
-	address=""
-	peer=""
-	echo '<ol type="square">' >> $ID_FILE.new
-	while IFS='' read -r line || [[ -n "$line" ]]; do
-		if [ ${state} -eq "3" ]; then
-			if [[ $line == *"txt ="* ]]; then
-				id_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
-				echo "  <li><a href=${id_url}>${peer}</a></li>" >> $ID_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_ID_STR}"* && $line == "= "* ]]; then
-			state=1
-		fi
-	done < "$TEMPFILE"
-	echo '</ol>' >> $ID_FILE.new
+    if [ -f $ID_FILE.new ]; then
+        rm -f $ID_FILE.new
+    fi
+
+    cat $TEMPFILE_BASE | grep "${ZERONET_ID_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
+
+    state=0
+    address=""
+    peer=""
+    echo '<ol type="square">' >> $ID_FILE.new
+    while IFS='' read -r line || [[ -n "$line" ]]; do
+        if [ ${state} -eq "3" ]; then
+            if [[ $line == *"txt ="* ]]; then
+                id_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
+                echo "  <li><a href=${id_url}>${peer}</a></li>" >> $ID_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_ID_STR}"* && $line == "= "* ]]; then
+            state=1
+        fi
+    done < "$TEMPFILE"
+    echo '</ol>' >> $ID_FILE.new
 }
 
 function avahi_remove_info {
-	rm -f $TEMPFILE_BASE
-	rm -f $TEMPFILE
+    rm -f $TEMPFILE_BASE
+    rm -f $TEMPFILE
 }
 
 function zeronet_update_config {
-	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_INSTALL ]; then
-		sudo chown zeronet:zeronet $ZERONET_CONFIG
-	fi
+    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_INSTALL ]; then
+        sudo chown zeronet:zeronet $ZERONET_CONFIG
+    fi
 }
 
 if [ ! -d /etc/avahi ]; then
-	exit 0
+    exit 0
 fi
 
 avahi_extract_info