Add crx creation script (untested)

1 files changed, 29 insertions, 0 deletions

diff --git a/chromium/makecrx.sh b/chromium/makecrx.sh
new file mode 100755
index 0000000..ca97835
--- /dev/null
+++ b/chromium/makecrx.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Purpose: Pack a Chromium extension directory into crx format
+#
+# Based on bash script at:
+# http://code.google.com/chrome/extensions/crx.html
+# Licensed under the BSD license
+
+test $# -ne 2 && echo "Usage: $0 dir pem" && exit 1
+
+dir=$1
+key=$2
+pub="pubkey"
+sig="sig"
+zip="tmp.zip"
+trap 'rm -f "$pub" "$sig" "$zip"' EXIT
+
+wd=`pwd` && cd "$dir" && zip -qr -9 -X "$wd/$zip" . ; cd "$wd"
+
+openssl sha1 -sha1 -binary -sign "$key" < "$zip" > "$sig"
+openssl rsa -pubout -outform DER < "$key" > "$pub" 2>/dev/null
+
+crmagic_hex="4372 3234" # Cr24
+version_hex="0200 0000" # 2
+pub_len_hex=`stat -c %s "$pub" | xargs printf '%08x\n' | rev | dd conv=swab 2>/dev/null`
+sig_len_hex=`stat -c %s "$sig" | xargs printf '%08x\n' | rev | dd conv=swab 2>/dev/null`
+
+echo "$crmagic_hex $version_hex $pub_len_hex $sig_len_hex" | xxd -r -p
+cat "$pub" "$sig" "$zip"