From f7434c5b65ddcda96226a3420dc528cbff37ace9 Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@a-lec.org>
Date: Tue, 31 Aug 2021 13:06:50 +0200
Subject: [PATCH] Cleaned & added savecaptcha.sh

---
 captcha/savecaptcha.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 captcha/savecaptcha.sh

diff --git a/captcha/savecaptcha.sh b/captcha/savecaptcha.sh
new file mode 100755
index 0000000..a1f196f
--- /dev/null
+++ b/captcha/savecaptcha.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# This script relies on ImageMagick.
+# It is NOT compliant with ImageMagick forks like GraphicsMagick.
+
+RAND_ANGLE=$1
+RAND_ITALIC=$2
+INPUT=$3
+SOLUTION=$4
+
+convert -size 300x60 xc:none -pointsize 20 \
+	\( -clone 0 -fill black \
+	-stroke black -strokewidth 1 \
+	-annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $INPUT" \
+	-roll +$ROLL_X+0 \
+	-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
+	-roll -$ROLL_X+0 \) \
+	-flatten -crop 300x60 +repage -quality 500 -depth 11 png:"/var/tmp/captcha/${SOLUTION}_$(date "+%Y-%m-%d-%H%M%S").png"