Add 'pass' wrapper for special entries

1 files changed, 87 insertions, 0 deletions

diff --git a/.zsh/functions/pass b/.zsh/functions/pass
new file mode 100644
index 0000000..4c8f5e0
--- /dev/null
+++ b/.zsh/functions/pass
@@ -0,0 +1,87 @@
+#
+# Add handling of special fields to 'pass'
+#
+# Syntax is: pass entry FIELD [-c|--clip]
+# It is then tried to find "^FIELD: " inside the file and the value
+# (i.e. without "FIELD: ") returned (optionally only to clipboard)
+#
+# There are aliases:
+#   - user|User --> entry 'User'
+#   - pin|PIN --> entry 'PIN'
+
+local cmd subcmd entry xclip ppath
+[[ $# -lt 1 ]] && { command pass; return }
+
+cmd=$1
+shift
+
+# copied from pass sourcecode
+clip() {
+	# This base64 business is a disgusting hack to deal with newline inconsistancies
+	# in shell. There must be a better way to deal with this, but because I'm a dolt,
+	# we're going with this for now.
+
+	before="$(xclip -o -selection clipboard | base64)"
+	echo -n "$1" | xclip -selection clipboard
+	(
+		sleep 45
+		now="$(xclip -o -selection clipboard | base64)"
+		if [[ $now != $(echo -n "$1" | base64) ]]; then
+			before="$now"
+		fi
+
+		# It might be nice to programatically check to see if klipper exists,
+		# as well as checking for other common clipboard managers. But for now,
+		# this works fine -- if qdbus isn't there or if klipper isn't running,
+		# this essentially becomes a no-op.
+		#
+		# Clipboard managers frequently write their history out in plaintext,
+		# so we axe it here:
+		qdbus org.kde.klipper /klipper org.kde.klipper.klipper.clearClipboardHistory &>/dev/null
+
+		echo "$before" | base64 -d | xclip -selection clipboard
+	) & disown
+	echo "Copied $2 to clipboard. Will clear in 45 seconds."
+}
+
+TRAPEXIT () {
+    unfunction clip
+}
+
+case $cmd in
+    entry)
+        subcmd=$1
+        shift
+        ;;
+    [Uu]ser)
+        subcmd="User"
+        cmd="entry"
+        ;;
+    [pP][iI][nN])
+        subcmd="PIN"
+        cmd="entry"
+        ;;
+    *) command pass $cmd "$@"
+       return
+esac
+
+ppath=$1
+
+if [[ $ppath == "-c"  || $ppath == "--clip" ]]; then
+    xclip=1
+    ppath=$2
+fi
+
+entry="$(command pass show $ppath | grep "$subcmd:" | sed -e "s/^$subcmd: //")"
+
+if [[ -z $entry ]]; then
+    echo "No '$subcmd:' entry found"
+else
+    if [[ -n $xclip ]]; then
+        clip "$entry" "entry of $ppath"
+    else
+        echo $entry
+    fi
+fi
+
+# vim: ft=zsh