From 60341ef37cf9046d0f99b5d3eb4dc1a2ad90acf9 Mon Sep 17 00:00:00 2001
From: Einar Egilsson <einar@einaregilsson.com>
Date: Mon, 5 Oct 2015 10:58:39 +0000
Subject: Build that works for Opera

---
 nex-build.sh | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 nex-build.sh

(limited to 'nex-build.sh')

diff --git a/nex-build.sh b/nex-build.sh
new file mode 100755
index 0000000..ade44cc
--- /dev/null
+++ b/nex-build.sh
@@ -0,0 +1,33 @@
+#!/bin/bash -e
+#
+# Purpose: Convert a .zip file into a .nex file for Opera
+# Adapted from 
+
+dir=$PWD
+zip="$PWD/$1"
+nex="$PWD/$2"
+key=$3
+pub="tmp.pub"
+sig="tmp.sig"
+trap 'rm -f "$pub" "$sig" "$zip"' EXIT
+
+# 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"
+) > "$nex"
+echo "Wrote $nex"
\ No newline at end of file
-- 
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