#!/bin/sh

# TODO Find .htacces from ServerHome

set -e

apache_dir=/etc/apache2
apache_conf=$apache_dir/apache2.conf

tmp_dir=/tmp/apache-require
conf_files=$tmp_dir/conf_files
files_with_directives=$tmp_dir/files_with_directives
mkdir -p "$tmp_dir"

module_loaded() {
    apache2ctl -D DUMP_MODULES | grep -q access_compat_module
}

# Get all config files included the
get_conf_files() {
    # Initialize le the list of configuration files with the default conf
    test ! -e "$conf_files" && printf "%s\\n" $apache_conf > "$conf_files"

    cd "$apache_dir"
    # TODO: Refactor this mess
    conf_files_size=0
    while [ "$conf_files_size" -lt "$(stat -c %s "$conf_files")" ]; do
        conf_files_size=$(stat -c %s "$conf_files")
        for conf_file in $(cat "$conf_files"); do
            # XXX: Expand the filenames
            for glob in $(awk '/^[[:space:]]*Include/ {print $2}' "$conf_file"); do
                realpath $glob >> "$conf_files"
            done
        done
        sort "$conf_files" | uniq > "$conf_files"_tmp && mv "$conf_files"_tmp "$conf_files"
    done
    cd - 1>/dev/null
}

count_directives() {
    directives="Allow Order Deny Satisfy"

    for directive in $directives; do
        export "$directive"="$(grep -Ec "^[[:blank:]]*$directive\\s" "$1")"
    done

    # shellcheck disable=SC2154
    if [ "$Allow" -ne 0 ] || [ "$Order" -ne 0 ] || \
        [ "$Deny" -ne 0 ] || [ "$Satisfy" -ne 0 ]; then
        printf "%s %d %d %d %d\\n" "$1" "$Allow" "$Order" "$Deny" "$Satisfy"
    fi
}

display_results() {
    printf 'File\tAllow\tOrder\tDeny\tSatsify\n'
    # TODO make shellcheck happy
    for file in $(cat $conf_files); do
        count_directives "$file" | tee -a "$files_with_directives"
    done
}

get_conf_files
display_results