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VoxVera/voxvera/src/obfuscate_index.sh
2025-06-21 12:20:51 -04:00

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#!/bin/bash
set -euo pipefail
CONFIG_PATH="${1:-config.json}"
require_cmd() {
command -v "$1" >/dev/null 2>&1 || {
echo "Error: required command '$1' not found" >&2
exit 1
}
}
for cmd in javascript-obfuscator html-minifier-terser node; do
require_cmd "$cmd"
done
# Detect whether mktemp supports the --suffix option. If not, fall back to a
# portable template-based approach (e.g., on macOS).
if tmp=$(mktemp --suffix=.test 2>/dev/null); then
rm -f "$tmp"
mktemp_with_suffix() { mktemp --suffix="$1"; }
else
mktemp_with_suffix() { mktemp "${TMPDIR:-/tmp}/tmp.XXXXXX$1"; }
fi
# Input and output file names
input_file="index-master.html"
output_file="index.html"
temp_js_file=$(mktemp_with_suffix .js) # Temporary .js file for extracting JavaScript
temp_js_obfuscated_file=$(mktemp_with_suffix .js) # Temporary file for obfuscated JavaScript
temp_html_file=$(mktemp) # Temporary file for processing HTML without JS
# Check if the input file exists
if [ ! -f "$input_file" ]; then
echo "Input file $input_file does not exist."
exit 1
fi
# Extract embedded JavaScript into a temporary .js file
awk '/<script>/,/<\/script>/' "$input_file" | sed '1d;$d' > "$temp_js_file"
# Obfuscate the extracted JavaScript
javascript-obfuscator "$temp_js_file" --output "$temp_js_obfuscated_file"
# Read the obfuscated JavaScript into a variable
obfuscated_js=$(cat "$temp_js_obfuscated_file")
# Escape slashes in the obfuscated JavaScript
escaped_js=$(echo "$obfuscated_js" | sed 's/[\/&]/\\&/g')
# Replace the original JavaScript in the HTML with the obfuscated version
sed -e "/<script>/,/<\/script>/c\<script>$escaped_js<\/script>" "$input_file" > "$temp_html_file"
# Minify HTML, including the obfuscated embedded JavaScript and CSS
html-minifier-terser \
--collapse-whitespace \
--minify-css true \
--remove-comments \
--remove-empty-attributes \
--output "$output_file" \
"$temp_html_file"
# Clean up temporary files
rm "$temp_js_file" "$temp_js_obfuscated_file" "$temp_html_file"
echo "Obfuscation and minification complete. Output saved as $output_file."