fixxing command injection vulnerability, need some future changes (refactor, remove proxychains4 and remove run, only drun mode for starting process)

launcher/launcher.sh

@@ -31,8 +31,7 @@ get_desktop_files() {
         exec=$(
             grep -m1 '^Exec=' "$f" \
             | cut -d= -f2- \
-            | sed 's/%[fFuUik]//g' \
-            | xargs
+            | sed 's/%[fFuUik]//g'
         )
 
         type=$(
@@ -90,12 +89,31 @@ build_run() {
 }
 
 
+extract_proxy() {
+    local conf="${PROXYCHAINS_CONF_FILE:-/etc/proxychains4.conf}"
+    [ -f "$conf" ] || conf="/etc/proxychains.conf"
+    [ -f "$conf" ] || return
+
+    local line
+    line=$(awk '/^\[ProxyList\]/{found=1; next} found && NF && !/^#/{print; exit}' "$conf")
+    [ -n "$line" ] || return
+
+    local ptype host port
+    ptype=$(echo "$line" | awk '{print $1}')
+    host=$(echo "$line" | awk '{print $2}')
+    port=$(echo "$line" | awk '{print $3}')
+
+    echo "${ptype}://${host}:${port}"
+}
+
 update_cache() {
     build_drun > "$DRUN_CACHE.tmp"
     build_run  > "$RUN_CACHE.tmp"
 
     mv "$DRUN_CACHE.tmp" "$DRUN_CACHE"
     mv "$RUN_CACHE.tmp"  "$RUN_CACHE"
+
+    extract_proxy > "$CACHE_DIR/proxy.conf"
 }