Add profile support to BackTunnel with defaults, named remotes, and seamless integration across CLI, GUI, and documentation

scripts/backtunnel-share-gui

@@ -1,45 +1,96 @@
 #!/usr/bin/env bash
-
-# Copyright (c) 2025. LUXIM d.o.o., Slovenia - Matjaž Mozetič.
-
 # GUI wrapper for BackTunnel "Share" action (Dolphin service menu)
-# Prompts for parameters via kdialog and launches backtunnel-share in Konsole.
+# Prompts for parameters via kdialog and launches backtunnel-share in a terminal.
 
 set -euo pipefail
 
-# --- Selection from Dolphin ---
+LOG="/tmp/backtunnel-share-gui.$UID.log"
+exec > >(tee -a "$LOG") 2>&1
+export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:${PATH:-}"
+
 FOLDER="${1:-}"
 if [[ -z "$FOLDER" ]]; then
   kdialog --error "No folder selected." || true
+  echo "No folder argument passed from service menu." >>"$LOG"
   exit 1
 fi
 
-# --- Defaults ---
+# Defaults
 REMOTE_DEFAULT="user@vps.example.com"
 DURATION_DEFAULT="2h"
 TPORT_DEFAULT="2222"
 LPORT_DEFAULT="22"
 INVITE_MOUNT_DEFAULT="/mnt/remote-rssh"
 
-# --- Prompts ---
-REMOTE="$(kdialog --inputbox "Remote (user@host or user:host):" "$REMOTE_DEFAULT")" || exit 1
-DUR="$(kdialog --combobox "Share duration" 30m 2h 6h 1d 2d --editable "$DURATION_DEFAULT")" || exit 1
-TPORT="$(kdialog --inputbox "Tunnel port on remote:" "$TPORT_DEFAULT")" || exit 1
-LPORT="$(kdialog --inputbox "Local SSH port to expose:" "$LPORT_DEFAULT")" || exit 1
+# Profiles (search order: user -> system -> packaged fallback)
+PROFILES_USER="${XDG_CONFIG_HOME:-$HOME/.config}/backtunnel/profiles.ini"
+PROFILES_SYS="/etc/backtunnel/profiles.ini"
+PROFILES_PKG="/usr/share/backtunnel/profiles.ini"
+if   [[ -f "$PROFILES_USER" ]]; then PROFILES_FILE="$PROFILES_USER"
+elif [[ -f "$PROFILES_SYS"  ]]; then PROFILES_FILE="$PROFILES_SYS"
+else                                 PROFILES_FILE="$PROFILES_PKG"
+fi
 
-INV=""   # explicit if-then; avoids SC2015 ("A && B || C is not if-then-else")
+# If profiles exist, offer a profile picker and prefill dialogs
+if [[ -f "$PROFILES_FILE" ]]; then
+  mapfile -t profs < <(awk '/^\[/{gsub(/^\[|\]$/,"",$1); if ($1!="default") print $1}' "$PROFILES_FILE")
+  if (( ${#profs[@]} )); then
+    choice="$(kdialog --combobox "Choose profile (or Cancel for manual)" "${profs[@]}")" || choice=""
+    if [[ -n "$choice" ]]; then
+      getval() { awk -v s="[""$choice""]" -v k="$1" '
+        $0==s{ok=1; next} /^\[/{ok=0}
+        ok && $0 ~ /^[[:alnum:]_.-]+[[:space:]]*=/ {
+          line=$0; sub(/[[:space:]]*=[[:space:]]*/, "=", line)
+          split(line,a,"="); if(a[1]==k){val=substr(line,index(line,"=")+1); gsub(/^[[:space:]]+|[[:space:]]+$/,"",val); print val; exit}
+        }' "$PROFILES_FILE" 2>/dev/null; }
+      u="$(getval user)"; h="$(getval host)"
+      if [[ -n "$u" && -n "$h" ]]; then
+        REMOTE_DEFAULT="$u@$h"
+      fi
+      v="$(getval tunnel_port)";     [[ -n "$v" ]] && TPORT_DEFAULT="$v"
+      v="$(getval local_ssh_port)";  [[ -n "$v" ]] && LPORT_DEFAULT="$v"
+      v="$(getval invite_mount)";    [[ -n "$v" ]] && INVITE_MOUNT_DEFAULT="$v"
+      # optional: default duration from [default]
+      vd="$(awk -v s="[default]" -v k="duration" '
+        $0==s{ok=1; next} /^\[/{ok=0}
+        ok && $0 ~ /^[[:alnum:]_.-]+[[:space:]]*=/ {
+          line=$0; sub(/[[:space:]]*=[[:space:]]*/, "=", line)
+          split(line,a,"="); if(a[1]==k){val=substr(line,index(line,"=")+1); gsub(/^[[:space:]]+|[[:space:]]+$/,"",val); print val; exit}
+        }' "$PROFILES_FILE" 2>/dev/null)"
+      [[ -n "$vd" ]] && DURATION_DEFAULT="$vd"
+    fi
+  fi
+fi
+
+# Dialogs (Cancel returns 1; treat as benign exit)
+REMOTE="$(kdialog --inputbox "Remote (user@host or user:host):" "$REMOTE_DEFAULT")" || exit 0
+DUR="$(kdialog --combobox "Share duration" 30m 2h 6h 1d 2d --editable "$DURATION_DEFAULT")" || exit 0
+TPORT="$(kdialog --inputbox "Tunnel port on remote:" "$TPORT_DEFAULT")" || exit 0
+LPORT="$(kdialog --inputbox "Local SSH port to expose:" "$LPORT_DEFAULT")" || exit 0
+
+INV=""   # set to "-i" if chosen
 if kdialog --yesno "Print invite line for chat?"; then
   INV="-i"
 fi
 
-QR=""
+QR=""    # set to "--qr" if chosen
 if kdialog --yesno "Show QR code for the invite?"; then
   QR="--qr"
 fi
 
-MP="$(kdialog --inputbox "Suggested mount point in invite:" "$INVITE_MOUNT_DEFAULT")" || exit 1
+MP="$(kdialog --inputbox "Suggested mount point in invite:" "$INVITE_MOUNT_DEFAULT")" || exit 0
 
-# --- Run share in Konsole (keeps session open) ---
-exec konsole --noclose -e backtunnel-share \
-  "$FOLDER" with "$REMOTE" for "$DUR" \
-  -p "$TPORT" -l "$LPORT" $INV $QR --invite-mount "$MP"
+# Build command safely as an array; append optional flags conditionally (SC2206-safe)
+cmd=( backtunnel-share "$FOLDER" with "$REMOTE" for "$DUR" -p "$TPORT" -l "$LPORT" --invite-mount "$MP" )
+if [[ -n "$INV" ]]; then cmd+=("$INV"); fi
+if [[ -n "$QR"  ]]; then cmd+=("$QR");  fi
+
+if command -v konsole >/dev/null 2>&1; then
+  exec konsole --noclose -e "${cmd[@]}"
+elif command -v xterm >/dev/null 2>&1; then
+  exec xterm -hold -e "${cmd[@]}"
+else
+  nohup "${cmd[@]}" >>"$LOG" 2>&1 &
+  kdialog --msgbox "Sharing started in background.\nSee log: $LOG"
+  exit 0
+fi