git-credential-kwallet-mailtransports: git helper

Useful for using git-send-email without storing typing the long
passwords all the time.

1 files changed, 75 insertions, 0 deletions

diff --git a/git-credential-kwallet-mailtransports b/git-credential-kwallet-mailtransports
new file mode 100755
index 0000000..a1b9045
--- /dev/null
+++ b/git-credential-kwallet-mailtransports
@@ -0,0 +1,75 @@
+#!/bin/bash
+mtcnf=$HOME/.kde4/share/config/mailtransports
+walletname=mailtransports
+
+warn() {
+	echo "${0##*/}: $1" >&2
+}
+
+action=$1
+
+case $action in
+get|store|erase) ;;
+*)
+	warn "Unknown action $action"
+	exit 1
+esac
+
+while IFS== read key val; do
+	case $key in
+	protocol)
+		protocol=$val
+		;;
+	host)
+		host=$val
+		;;
+	path)
+		# ignoring path
+		;;
+	username)
+		username=$val
+		;;
+	password)
+		password=$val
+		;;
+	url)
+		warn "URLs are not parsed"
+		;;
+	*)
+		warn "Ignoring unrecognized key $key"
+		;;
+	esac
+done
+
+if [[ $protocol != smtp ]]; then
+	warn "Only smtp protocol is supported"
+	exit 1
+fi
+
+transportid=
+while read tid; do
+	cfguser=$(kreadconfig --file "$mtcnf" --group "Transport $tid" --key user)
+	if [[ $cfguser == $username ]]; then
+		transportid=$tid
+		break
+	fi
+done < <(grep -Po '^\[Transport \K[0-9]+' "$mtcnf")
+
+if [ -z "$transportid" ]; then
+	warn "Mailtransport not found"
+	exit 1
+fi
+
+case $action in
+get)
+	password=$(kwalletcli -f "$walletname" -e "$transportid" 2>/dev/null)
+	if [ $? -ne 0 ]; then
+		warn "Cannot retrieve password"
+		exit 1
+	fi
+	echo "password=$password"
+	;;
+store|erase)
+	warn "Ignored action $action"
+	;;
+esac