feature: initial commit to add installer for Fluidd + rewrite nginx related stuff

scripts/install_mainsail.sh

@@ -1,47 +1,73 @@
 install_mainsail(){
   if [ "$INST_MAINSAIL" = "true" ]; then
-    unset SET_REVERSE_PROXY && SET_REVERSE_PROXY="true" #quick and dirty hack to make mainsail reverse proxy install, needs polish
-    create_reverse_proxy "mainsail"
-    mainsail_setup
-    test_nginx
-    ok_msg "Mainsail installation complete!"; echo
+    unset SET_LISTEN_PORT
+    #check for other enabled web interfaces
+    detect_enabled_sites
+    #check if another site already listens to port 80
+    mainsail_port_check
+    #creating the mainsail nginx cfg
+    set_nginx_cfg "mainsail"
+    mainsail_setup && ok_msg "Mainsail installation complete!"; echo
   fi
 }
 
-test_nginx(){
-  HOST_IP=$(hostname -I | cut -d" " -f1)
-  status_msg "Testing Nginx ..."
-  sleep 5
-  status_msg "API response from http://$HOST_IP/printer/info :"
-  API_RESPONSE="$(curl -sG4m5 http://$HOST_IP/printer/info)"
-  echo -e "${cyan}$API_RESPONSE${default}"
-  if [ $(curl -sG4 "http://$HOST_IP/printer/info" | grep '^{"result"' -c) -eq 1 ]; then
-    echo; ok_msg "Nginx is working correctly!"; echo
+mainsail_port_check(){
+  if [ "$MAINSAIL_ENABLED" = "false" ]; then
+    if [ "$SITE_ENABLED" = "true" ]; then
+      echo "Detected other enabled Interfaces:"
+      [ "$FLUIDD_ENABLED" = "true" ] && echo "${cyan}● Fluidd - Port:$FLUIDD_PORT${default}"
+      [ "$DWC2_ENABLED" = "true" ] && echo "${cyan}● DWC2 - Port:$DWC2_PORT${default}"
+      [ "$OCTOPRINT_ENABLED" = "true" ] && echo "${cyan}● OctoPrint - Port:$OCTOPRINT_PORT${default}"
+      if [ "$FLUIDD_PORT" = "80" ] || [ "$DWC2_PORT" = "80" ] || [ "$OCTOPRINT_PORT" = "80" ]; then
+        PORT_80_BLOCKED="true"
+      fi
+      if [ "$PORT_80_BLOCKED" = "true" ]; then
+        [ "$FLUIDD_PORT" = "80" ] && echo "${cyan}Fluidd${default} already listens on Port 80!"
+        [ "$DWC2_PORT" = "80" ] && echo "${cyan}DWC2${default} already listens on Port 80!"
+        [ "$OCTOPRINT_PORT" = "80" ] && echo "${cyan}OctoPrint${default} already listens on Port 80!"
+        echo "You need to choose a different Port for Mainsail than the above!"
+        select_mainsail_port
+      fi
+    else
+      DEFAULT_PORT=$(grep listen ${SRCDIR}/kiauh/resources/mainsail_nginx.cfg | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
+      SET_LISTEN_PORT=$DEFAULT_PORT
+    fi
+    SET_NGINX_CFG="true"
   else
-    echo; warn_msg "Nginx is not working correctly!"; echo
+    SET_NGINX_CFG="false"
   fi
 }
 
+select_mainsail_port(){
+  while true; do
+    read -p "${cyan}Please enter a new Port:${default} " NEW_PORT
+    if [ "$NEW_PORT" != "$FLUIDD_PORT" ] && [ "$NEW_PORT" != "$DWC2_PORT" ] && [ "$NEW_PORT" != "$OCTOPRINT_PORT" ]; then
+      echo "Setting port $NEW_PORT for Mainsail!"
+      SET_LISTEN_PORT=$NEW_PORT
+      break
+    else
+      echo "That port is already taken! Select a different one!"
+    fi
+  done
+}
+
 get_mainsail_ver(){
   MAINSAIL_VERSION=$(curl -s https://api.github.com/repositories/240875926/tags | grep name | cut -d'"' -f4 | cut -d"v" -f2 | head -1)
 }
 
 mainsail_dl_url(){
   get_mainsail_ver
-  MAINSAIL_URL=https://github.com/meteyou/mainsail/releases/download/v"$MAINSAIL_VERSION"/mainsail-beta-"$MAINSAIL_VERSION".zip
+  MAINSAIL_URL=https://github.com/meteyou/mainsail/releases/download/v$MAINSAIL_VERSION/mainsail-beta-$MAINSAIL_VERSION.zip
 }
 
 mainsail_setup(){
   mainsail_dl_url
   #clean up an existing mainsail folder
-  if [ -d $MAINSAIL_DIR ]; then
-    rm -rf $MAINSAIL_DIR
-  fi
+  [ -d $MAINSAIL_DIR ] && rm -rf $MAINSAIL_DIR
   #create fresh mainsail folder and download mainsail
-  mkdir $MAINSAIL_DIR
-  cd $MAINSAIL_DIR
+  mkdir $MAINSAIL_DIR && cd $MAINSAIL_DIR
   status_msg "Downloading Mainsail v$MAINSAIL_VERSION ..."
-  wget -q -O mainsail.zip $MAINSAIL_URL && status_msg "Extracting archive ..." && unzip -o mainsail.zip && rm mainsail.zip
+  wget -O mainsail.zip $MAINSAIL_URL && status_msg "Extracting archive ..." && unzip -o mainsail.zip && rm mainsail.zip
   ### write mainsail version to file for update check reasons
   echo "$MAINSAIL_VERSION" > $MAINSAIL_DIR/version
   echo