blob: 50269dfa8d266b242d47c3b76da561ff7cf76a39 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#!/bin/bash -e
#
# Purpose: Pack a Chromium extension directory into crx format
if test $# -ne 2; then
echo "Usage: crxmake.sh <extension dir> <pem path>"
exit 1
fi
dir=$1
key=$2
name=$(basename "$dir")
crx="$name.crx"
pub="$name.pub"
sig="$name.sig"
zip="$name.zip"
trap 'rm -f "$pub" "$sig" "$zip"' EXIT
# zip up the crx dir
cwd=$(pwd -P)
(cd "$dir" && zip -qr -9 -X "$cwd/$zip" .)
# signature
openssl sha1 -sha1 -binary -sign "$key" < "$zip" > "$sig"
# public key
openssl rsa -pubout -outform DER < "$key" > "$pub" 2>/dev/null
byte_swap () {
# Take "abcdefgh" and return it as "ghefcdab"
echo "${1:6:2}${1:4:2}${1:2:2}${1:0:2}"
}
crmagic_hex="4372 3234" # Cr24
version_hex="0200 0000" # 2
pub_len_hex=$(byte_swap $(printf '%08x\n' $(ls -l "$pub" | awk '{print $5}')))
sig_len_hex=$(byte_swap $(printf '%08x\n' $(ls -l "$sig" | awk '{print $5}')))
(
echo "$crmagic_hex $version_hex $pub_len_hex $sig_len_hex" | xxd -r -p
cat "$pub" "$sig" "$zip"
) > "$crx"
echo "Wrote $crx"
eid=`cat $key | openssl rsa -pubout -outform DER | openssl dgst -sha256 | awk '{print $2}' | cut -c 1-32 | tr '0-9a-f' 'a-p'`
echo "ID: $eid"
|
