Add clip extension

1 files changed, 77 insertions, 0 deletions

diff --git a/extension/clip.bash b/extension/clip.bash
new file mode 100755
index 0000000..b6e572e
--- /dev/null
+++ b/extension/clip.bash
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# The clipboard code was taken from pass
+
+X_SELECTION="${CRYPT_X_SELECTION:-clipboard}"
+CLIP_TIME="${CRYPT_STORE_CLIP_TIME:-45}"
+BASE64="base64"
+
+_clip() {
+	if [[ -n $WAYLAND_DISPLAY ]]; then
+		local copy_cmd=( wl-copy )
+		local paste_cmd=( wl-paste -n )
+		if [[ $X_SELECTION == primary ]]; then
+			copy_cmd+=( --primary )
+			paste_cmd+=( --primary )
+		fi
+		local display_name="$WAYLAND_DISPLAY"
+	elif [[ -n $DISPLAY ]]; then
+		local copy_cmd=( xclip -selection "$X_SELECTION" )
+		local paste_cmd=( xclip -o -selection "$X_SELECTION" )
+		local display_name="$DISPLAY"
+	else
+		error "No X11 or Wayland display detected"
+	fi
+
+	if [[ "$2" == "clear" ]]; then
+		local sleep_argv0="password store sleep on display $display_name"
+
+		# NOTE: base64 is needed to store binary data in bash
+		pkill -f "^$sleep_argv0" 2>/dev/null && sleep 0.5
+		local before="$("${paste_cmd[@]}" 2>/dev/null | $BASE64)"
+		echo -n "$1" | "${copy_cmd[@]}" || error "Could not copy data to the clipboard"
+		(
+			( exec -a "$sleep_argv0" bash <<< "trap 'kill %1' TERM; sleep '$CLIP_TIME' & wait" )
+			local now="$("${paste_cmd[@]}" | $BASE64)"
+			[[ $now != $(echo -n "$1" | $BASE64) ]] && before="$now"
+			qdbus org.kde.klipper /klipper org.kde.klipper.klipper.clearClipboardHistory &>/dev/null
+			echo "$before" | $BASE64 -d | "${copy_cmd[@]}"
+		) >/dev/null 2>&1 & disown
+		echo "Copied $NAME to clipboard. Will clear in $CLIP_TIME seconds."
+	else
+		echo -n "$1" | "${copy_cmd[@]}" || error "Could not copy data to the clipboard"
+		echo "Copied $NAME to clipboard"
+	fi
+}
+
+clip_file() {
+	local opts noclear=clear
+	opts="$($GETOPT -o '' -l clip-persistent -n "$PROGRAM" -- "$@")"
+	local err=$?
+	eval set -- "$opts"
+	while true; do case $1 in
+		--clip-persistent) noclear=; shift ;;
+		--) shift; break ;;
+	esac done
+	_clip "$(<"$FILE")" "$noclear"
+}
+
+clip_wrap() {
+	local cmd="$1" args=() clip=0 noclear=clear
+	shift
+
+	# NOTE: For whatever reason here I didn't use getopt
+	for a in "$@"; do
+		case $a in
+			-c|--clip) clip=1 ;;
+			--clip-persistent) clip=1; noclear= ;;
+			*) args+="$a" ;;
+		esac
+	done
+
+	if [[ $clip -eq 1 ]]; then
+		_clip "$(eval "$cmd" "${args[@]}")" "$noclear"
+	else
+		eval "$cmd" "${args[@]}"
+	fi
+}