change remote from SSH/SCP to SFTP

Makefile

@@ -3,7 +3,7 @@ var_exclude = ZPASS_.* XDG_.* REMOTE_.* DISPLAY CONFIGFILE TMPDIR
 fct_exclude = _tty_on
 
 zpass: src/*
-	lxsh -o zpass -m --minify-quotes --minify-var --exclude-var "$(var_exclude)" --minify-fct --exclude-fct "$(fct_exclude)" --remove-unused src/main.sh
+	lxsh -o zpass -M --exclude-var "$(var_exclude)" --exclude-fct "$(fct_exclude)" src/main.sh
 
 debug: src/*
 	lxsh -o zpass src/main.sh

src/archive.sh

@@ -7,7 +7,7 @@ unpack() {
   (
     set -e
     cd "$1"
-    decrypt "$2" | tar -xf - 2>/dev/null
+    decrypt "$2" | tar -xf -
   )
 }
 
@@ -28,13 +28,10 @@ pack()
   ) || return $?
   if [ -n "$ZPASS_REMOTE_ADDR" ]
   then
-    [ -z "$ZPASS_PATH" ] && datapath="~/.local/share/zpass"
+    ret=0
-    if [ -n "$ZPASS_SSH_ID" ]
+    sftp_upload "$1/$archive" "$datapath/$ZPASS_FILE$ZPASS_EXTENSION" || ret=$?
-    then scp -i "$ZPASS_SSH_ID" "$1/$archive" "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" >/dev/null || return $?
-    else scp "$1/$archive" "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" >/dev/null || return $?
-    fi
     rm -f "$1/$archive" 2>/dev/null
-    return 0
+    return $ret
   else
     mv -f "$1/$archive" "$file"
   fi
@@ -89,12 +86,11 @@ create() {
       return 1
     }
     [ -n "$ZPASS_REMOTE_ADDR" ] && {
+      ret=0
       ssh "$ZPASS_REMOTE_ADDR" "mkdir -p '$datapath'"
-      if [ -n "$ZPASS_SSH_ID" ]
+      sftp_upload "$file" "$datapath/$ZPASS_FILE$ZPASS_EXTENSION" || ret=$?
-      then scp -i "$ZPASS_SSH_ID" "$file" "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" >/dev/null || return $?
-      else scp "$file" "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" >/dev/null || return $?
-      fi
       rm -rf "$file" 2>/dev/null
+      return $ret
     }
   fi
   return 0

src/crypt.sh

@@ -8,8 +8,9 @@ encrypt() {
 # $1 = key , $2 = keyfile to write
 decrypt_with_key()
 {
-  gpg --pinentry-mode loopback --batch --passphrase "$1" -o - -d "$file" 2>/dev/null && ret=$? && [ -n "$2" ] && echo "$1" > "$2"
+  gpg --pinentry-mode loopback --batch --passphrase "$1" -o - -d "$file" 2>/dev/null || return $?
-  return $ret
+  [ -n "$2" ] && echo "$1" > "$2"
+  return 0
 }
 
 # $1 = keyfile to write
@@ -18,11 +19,7 @@ decrypt()
   # get remote file
   [ -n "$ZPASS_REMOTE_ADDR" ] && {
     file="$TMPDIR/zpass_$(filehash)$ZPASS_EXTENSION"
-    [ -z "$ZPASS_PATH" ] && datapath="~/.local/share/zpass"
+    sftp_download "$datapath/$ZPASS_FILE$ZPASS_EXTENSION" "$file" >/dev/null || return $?
-    if [ -n "$ZPASS_SSH_ID" ]
-    then scp -i "$ZPASS_SSH_ID" "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" "$file" >/dev/null || return $?
-    else scp "$ZPASS_REMOTE_ADDR:$datapath/$ZPASS_FILE$ZPASS_EXTENSION" "$file" >/dev/null || return $?
-    fi
   }
   cat "$file" >/dev/null 2>&1 || { echo "File doesn't exist. Use 'zpass create' to create the file" >&2 && return 1; } # no file
 

src/file.sh

@@ -1,13 +1,26 @@
 #!/bin/sh
 
 list_files() {
-  _cmd_ "cd '$datapath' 2>/dev/null && find . -maxdepth 1 -type f -regex '.*$ZPASS_EXTENSION\$'" | sed "s/$(escape_chars "$ZPASS_EXTENSION")\$//g; s|.*/||g"
+  if [ -n "$ZPASS_REMOTE_ADDR" ] ; then
+    echo "$cmd" | sftp_cmd -b- << EOF
+cd "$datapath"
+ls -1
+EOF
+  else
+    (
+      cd "$datapath"
+      ls -1
+    )
+  fi | grep "$(escape_chars "$ZPASS_EXTENSION")$"
 }
 
 remove_files()
 {
-  for N
+  if [ -n "$ZPASS_REMOTE_ADDR" ] ; then
-  do
+    echo "$cmd" | sftp_cmd -b- << EOF
-    _cmd_ "rm '$datapath/$N$ZPASS_EXTENSION'" || exit $?
+rm "$datapath/$N$ZPASS_EXTENSION"
-  done
+EOF
+  else
+      rm "$datapath/$N$ZPASS_EXTENSION"
+  fi
 }

src/main.sh

@@ -27,7 +27,7 @@ case $arg in
   n|new)            sanitize_paths "$@" && new "$@"    ;;
   g|get)            sanitize_paths "$@" && get "$@"    ;;
   x|copy)           sanitize_paths "$1" && copy "$1"   ;;
-  l|ls|list)        sanitize_paths "$@" && __NOPACK=y archive_exec ls -Apw1 -- "$@"   ;;
+  l|ls|list)        sanitize_paths "$@" && __NOPACK=y archive_exec ls -Ap1 -- "$@"   ;;
   r|rm)             sanitize_paths "$@" && archive_exec rm -rf -- "$@"                ;;
   m|mv)             sanitize_paths "$@" && move "$@"              ;;
   e|exec)           archive_exec "$@" ;;

src/remote.sh

@@ -0,0 +1,24 @@
+# $@ = args
+sftp_cmd() {
+  [ -n "$ZPASS_REMOTE_ADDR" ] || return $?
+  if [ -n "$ZPASS_SSH_ID" ] ; then
+    sftp -i "$ZPASS_SSH_ID" "$@" "$ZPASS_REMOTE_ADDR"
+  else
+    sftp "$@" "$ZPASS_REMOTE_ADDR"
+  fi | grep -v "^sftp>"
+  return 0
+}
+
+# $1 = local file , $2 = remote file
+sftp_upload() {
+  sftp_cmd -b- >/dev/null << E
+put "$1" "$2"
+E
+}
+
+# $1 = remote file , $2 = local file
+sftp_download() {
+  sftp_cmd -b- >/dev/null << E
+get "$1" "$2"
+E
+}