chore: add pack.sh script for regenerating extension.crx

Author: rgarcia

server/e2e/test-extension-enterprise/pack.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+# Pack the test extension into a .crx file
+# Usage: ./pack.sh
+#
+# Requires: google-chrome (or chromium), openssl, python3
+#
+# This script:
+# 1. Packs the extension using Chrome's built-in packer
+# 2. Extracts and displays the extension ID from the private key
+#
+# The extension ID is derived from the public key, so as long as you use
+# the same private_key.pem, you'll get the same extension ID.
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+# Find Chrome binary
+CHROME=""
+for bin in google-chrome chromium chromium-browser; do
+    if command -v "$bin" &> /dev/null; then
+        CHROME="$bin"
+        break
+    fi
+done
+
+if [ -z "$CHROME" ]; then
+    echo "Error: Chrome/Chromium not found"
+    exit 1
+fi
+
+# Check for private key
+if [ ! -f "private_key.pem" ]; then
+    echo "Generating new private key..."
+    openssl genrsa -out private_key.pem 2048
+fi
+
+# Chrome won't pack if the key is inside the extension directory
+mv private_key.pem /tmp/ext_key.pem
+trap 'mv /tmp/ext_key.pem private_key.pem 2>/dev/null || true' EXIT
+
+# Pack the extension (Chrome creates .crx in parent directory)
+echo "Packing extension..."
+"$CHROME" --pack-extension="$SCRIPT_DIR" --pack-extension-key=/tmp/ext_key.pem --no-sandbox 2>&1 || true
+
+# Move the .crx file into place
+PARENT_DIR="$(dirname "$SCRIPT_DIR")"
+CRX_NAME="$(basename "$SCRIPT_DIR").crx"
+if [ -f "$PARENT_DIR/$CRX_NAME" ]; then
+    mv "$PARENT_DIR/$CRX_NAME" extension.crx
+    echo "Created extension.crx"
+else
+    echo "Error: Chrome did not create .crx file"
+    exit 1
+fi
+
+# Restore key before computing ID
+mv /tmp/ext_key.pem private_key.pem
+trap - EXIT
+
+# Extract extension ID from the public key
+EXT_ID=$(python3 -c "
+import hashlib
+import subprocess
+result = subprocess.run(
+    ['openssl', 'rsa', '-in', 'private_key.pem', '-pubout', '-outform', 'DER'],
+    stdout=subprocess.PIPE, stderr=subprocess.PIPE
+)
+sha = hashlib.sha256(result.stdout).digest()
+print(''.join(chr(ord('a') + (b >> 4)) + chr(ord('a') + (b & 0xf)) for b in sha[:16]))
+")
+
+echo "Extension ID: $EXT_ID"
+echo ""
+echo "Make sure update.xml contains this appid:"
+echo "  <app appid='$EXT_ID'>"