From 3b937958ac383b05761c9a16bcf5cc9003cd6031 Mon Sep 17 00:00:00 2001
From: Shokara Kou <kou@13f0.net>
Date: Thu, 13 Oct 2022 19:04:45 -0400
Subject: add generate function and contrib/random script

I sometimes forget to copy-paste the passwords and usernames I
generate, so this should help with that. Uses the random string
generator script I made before by default.
---
 .gitignore     |  1 +
 README         |  6 +++++-
 angou          | 11 ++++++++++-
 contrib/random | 22 ++++++++++++++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 .gitignore
 create mode 100755 contrib/random

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b25c15b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/README b/README
index 08521d1..d6d1d42 100644
--- a/README
+++ b/README
@@ -12,6 +12,10 @@ Dependencies
   - can possibly be replaced with ls if you add ANGOU_LIST in your ~/.profile
 - xsel (for copying password to clipboard, but can be changed to a different
         command with the ANGOU_CLIPBOARD command that accepts stdin)
+- a password generator
+  - script uses contrib/random from this repo by default and expects it in your
+  path
+  - can change by setting ANGOU_GEN_USER and ANGOU_GEN_PASS in your ~/.profile
 
 Configuration
 -------------
@@ -42,4 +46,4 @@ Set the ANGOU_DIR environment variable to your password store directory.
 Auto-complete
 -------------
 If you use ksh, all you'd have to do is source contrib/autocomplete.ksh in your
-kshrc.
\ No newline at end of file
+kshrc.
diff --git a/angou b/angou
index 845670b..c1d06fc 100755
--- a/angou
+++ b/angou
@@ -6,6 +6,9 @@ ANGOU_DIR=${ANGOU_DIR:-"$HOME/.angou/"}
 ANGOU_CLIPBOARD=${ANGOU_CLIPBOARD:-"xsel -i"}
 # sets command to use when listing directory structure
 ANGOU_LIST=${ANGOU_LIST:-"tree"}
+# custom command for generating passwords/users
+ANGOU_GEN_PASS=${ANGOU_GEN_PASS:-"random pass"}
+ANGOU_GEN_USER=${ANGOU_GEN_USER:-"random user"}
 
 mkdir -p "$ANGOU_DIR"
 cd "$ANGOU_DIR" || exit
@@ -35,6 +38,11 @@ edit() {
 
 	tmpfile="$(mktemp)"
 
+	if [ "$2" = "generate" ]; then
+		$ANGOU_GEN_PASS >"$tmpfile"
+		echo "Username: $($ANGOU_GEN_USER)" >>"$tmpfile"
+	fi
+
 	# edit a copy of a password if it already exists
 	[ -f "$1" ] && $ANGOU_DECRYPT "$1" > "$tmpfile"
 
@@ -46,7 +54,7 @@ edit() {
 
 # print usage
 usage() {
-	printf "Usage: %s [help|copy|edit|view [file or directory]]\n" "$0"
+	printf "Usage: %s [help|copy|edit|generate|view [file or directory]]\n" "$0"
 	printf "\tThe edit and copy command expects a file as an argument,\n"
 	printf "\twhile the view command expects a directory as an argument.\n"
 	printf "\tThe arguments for view and edit are relative to\n"
@@ -61,6 +69,7 @@ case "$option" in
 	help) usage ;;
 	copy) copy "$2" ;;
 	edit) edit "$2" ;;
+	generate) edit "$2" generate ;;
 	view) view "$2" ;;
 	*) view "$1" ;;
 esac
diff --git a/contrib/random b/contrib/random
new file mode 100755
index 0000000..10ddda7
--- /dev/null
+++ b/contrib/random
@@ -0,0 +1,22 @@
+#!/bin/sh
+# Simple random string generator for passwords and usernames
+# $LEN initial declaration commented out for runtime LEN config
+
+LC_ALL=C
+#LEN=${LEN:-24}
+ALPHA="A-Za-z"
+NUM="0-9"
+SPECIAL='!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~'
+
+random() {
+	</dev/urandom tr -dc "${ALPHA}${NUM}${SPECIAL}" | /bin/dd bs=1 count=${LEN:-32} 2>/dev/null ; echo
+}
+
+case $1 in
+	pass)
+		random ;;
+	user)
+		LEN=${LEN:-12} SPECIAL='' random ;;
+	*)
+		printf "Usage: $0 pass|user\nSet LEN environment variable for length" ;;
+esac
-- 
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