WSL2-monkey-patch-copilot.sh

#!/usr/bin/env bash

# WSL2-monkey-patch-copilot.sh
# This probably not secure. Do not use.
# A script to patch the GitHub Copilot and Copilot Chat extensions for VS Code to allow them to work with self-signed certificates.
# Updates to these extensions will likely break the patch.
# Based on: https://stackoverflow.com/a/72136715/7830232
#
# Leonardo Mora Castro
# October, 2023

_VSCODEDIR=~/".vscode-server/extensions"
_COPILOTDIR="$(find "${_VSCODEDIR}" -maxdepth 1 -type d -name "github.copilot-[1-9]*" | sort -V | tail -1)"
_COPILOTCHATDIR="$(find "${_VSCODEDIR}" -maxdepth 1 -type d -name "github.copilot-chat-[0-9]*" | sort -V | tail -1)"
_UNDO=0

help() {
    cat <<EOF
Description:
    A script to patch the GitHub Copilot and Copilot Chat extensions for VS Code to allow them to work with self-signed certificates.

Usage:
    
    WSL2-monkey-patch-copilot.sh [OPTIONS] {chat|copilot}

Options:
  -h  Show this help message.
  -u  Undo the patch.

Arguments:
  copilot   Patch the GitHub Copilot extension.
  chat      Patch the GitHub Copilot Chat extension.

Updates to these extensions will likely break the patch.
EOF
}

patch() {
    local _EXTENSIONFILEPATH="$1/dist/extension.js"
    if [[ -f "$_EXTENSIONFILEPATH" ]]; then
        printf "Applying 'rejectUnauthorized' patches to %s...\nBe sure to restart VS Code.\n" "$_EXTENSIONFILEPATH"
        perl -pi.bak0 -e 's/,rejectUnauthorized:[a-z]}(?!})/,rejectUnauthorized:false}/g' "${_EXTENSIONFILEPATH}"
        sed -i.bak1 's/d={...l,/d={...l,rejectUnauthorized:false,/g' "${_EXTENSIONFILEPATH}"
    else
        echo "Couldn't find the extension.js file, please verify paths and try again..."
    fi
}

undo() {
    local _EXTENSIONFILEPATH="$1/dist/extension.js"
    if [[ -f "$_EXTENSIONFILEPATH" ]]; then
        printf "Undoing 'rejectUnauthorized' patches to %s...\nBe sure to restart VS Code.\n" "$_EXTENSIONFILEPATH"
        mv "${_EXTENSIONFILEPATH}.bak0" "${_EXTENSIONFILEPATH}"
    else
        echo "Couldn't find the extension.js file, please verify paths and try again..."
    fi
}

# Parsing options
while getopts ":hu" opt; do
    case $opt in
    h)
        help
        exit 0
        ;;
    u)
        _UNDO=1
        ;;
    \?)
        echo "Invalid Option: -$OPTARG" 1>&2
        exit 1
        ;;
    esac
done
shift $((OPTIND - 1))

if [[ $# -eq 0 ]]; then
    printf "Indicate what you want to patch.\n" >&2
    help
    exit 1
fi

# Main logic
for c; do
    case $c in
    copilot)
        if ((_UNDO == 0)); then
            patch "$_COPILOTDIR"
        else
            undo "$_COPILOTDIR"
        fi
        ;;
    chat)
        if ((_UNDO == 0)); then
            patch "$_COPILOTCHATDIR"
        else
            undo "$_COPILOTCHATDIR"
        fi
        ;;
    *)
        echo "Invalid Argument: $c" >&2
        help
        exit 1
        ;;
    esac
done