Adding conditional to check for blank .onion and also trying sudo wit…

…h cat.

setup.sh

@@ -23,20 +23,24 @@ mv /etc/tor/torrc /etc/tor/torrc.orig
 cp blooming-onion/config/tor/torrc /etc/tor/.
 service tor reload
 
-ONION_ADDRESS=`cat /var/lib/tor/hidden_service/hostname`
-
-echo 'Setting up the web server NGINX to use Tor onion service...'
-mv /etc/nginx/sites-available/ghost /etc/nginx/sites-available/ghost.orig
-cp blooming-onion/config/nginx/ghost /etc/nginx/sites-available/.
-sed -i 's/ONION_PLACEHOLDER/'$ONION_ADDRESS'/g' /etc/nginx/sites-available/ghost
-
-echo 'Updating Ghost config to use .onion address...'
-mv /var/www/ghost/config.js /var/www/ghost/config.js.orig
-cp blooming-onion/config/ghost/config.js /var/www/ghost/.
-sed -i 's/ONION_PLACEHOLDER/'$ONION_ADDRESS'/g' /var/www/ghost/config.js
-
-echo 'Restarting NGINX...'
-service nginx reload
-
-echo 'Congrats! You now have your very own Tor onion service.'
-echo 'Enter this address into the Tor browser: '$ONION_ADDRESS
+ONION_ADDRESS=`sudo cat /var/lib/tor/hidden_service/hostname`
+
+if [ -n "$ONION_ADDRESS" ]; then
+    echo 'Setting up the web server NGINX to use Tor onion service...'
+    mv /etc/nginx/sites-available/ghost /etc/nginx/sites-available/ghost.orig
+    cp blooming-onion/config/nginx/ghost /etc/nginx/sites-available/.
+    sed -i 's/ONION_PLACEHOLDER/'$ONION_ADDRESS'/g' /etc/nginx/sites-available/ghost
+
+    echo 'Updating Ghost config to use .onion address...'
+    mv /var/www/ghost/config.js /var/www/ghost/config.js.orig
+    cp blooming-onion/config/ghost/config.js /var/www/ghost/.
+    sed -i 's/ONION_PLACEHOLDER/'$ONION_ADDRESS'/g' /var/www/ghost/config.js
+
+    echo 'Restarting NGINX...'
+    service nginx reload
+
+    echo 'Congrats! You now have your very own Tor onion service.'
+    echo 'Enter this address into the Tor browser: '$ONION_ADDRESS
+else
+    echo 'Could not get a .onion address. :( Try running this script one more time?'
+fi