_common.sh

readonly python_version="$(python3 -V | cut -d' ' -f2 | cut -d. -f1-2)"
readonly code_dir="/opt/yunohost/matrix-$app"
readonly domain_whitelist_client="$(yunohost --output-as json domain list  | jq -r '.domains | .[]')"

install_sources() {
    # Install/upgrade synapse in virtualenv

    # Clean venv is it was on python2.7 or python3 with old version in case major upgrade of debian
    if [ ! -e "$code_dir"/bin/python3 ] || [ ! -e "$code_dir/lib/python$python_version" ]; then
        ynh_safe_rm "$code_dir"/bin
        ynh_safe_rm "$code_dir"/lib
        ynh_safe_rm "$code_dir"/lib64
        ynh_safe_rm "$code_dir"/include
        ynh_safe_rm "$code_dir"/share
        ynh_safe_rm "$code_dir"/pyvenv.cfg
    fi

    mkdir -p "$code_dir"
    chown "$app":root -R "$code_dir"

    if [ -n "$(uname -m | grep arm)" ]
    then
        # Clean old file, sometimes it could make some big issues if we don't do this!!
        ynh_safe_rm "$code_dir"/bin
        ynh_safe_rm "$code_dir"/lib
        ynh_safe_rm "$code_dir"/include
        ynh_safe_rm "$code_dir"/share

        ynh_setup_source --dest_dir="$code_dir"/ --source_id="synapse_prebuilt_armv7_$(lsb_release --codename --short)"

        # Fix multi-instance support
        for f in "$code_dir"/bin/*; do
            if ! [[ $f =~ "__" ]]; then
                ynh_replace_regex --match='#!/opt/yunohost/matrix-synapse' --replace='#!'"$code_dir" --file="$f"
            fi
        done
    else

        # Install virtualenv if it don't exist
        test -e "$code_dir"/bin/python3 || python3 -m venv "$code_dir"

        # Install synapse in virtualenv
        local pip3="$code_dir"/bin/pip3

        $pip3 install --upgrade setuptools wheel pip cffi
        $pip3 install --upgrade -r "$YNH_APP_BASEDIR/conf/requirement_$(lsb_release --codename --short).txt"
    fi

    # Apply patch for LDAP auth if needed
    # Note that we put patch into scripts dir because /source are not stored and can't be used on restore
    if ! grep -F -q '# LDAP Filter anonymous user Applied' "$code_dir/lib/python$python_version/site-packages/ldap_auth_provider.py"; then
        pushd "$code_dir/lib/python$python_version/site-packages"
        patch < "$YNH_APP_BASEDIR"/scripts/patch/ldap_auth_filter_anonymous_user.patch
        popd
    fi
}

configure_coturn() {
    # Get public IP and set as external IP for coturn
    # note : '|| true' is used to ignore the errors if we can't get the public ipv4 or ipv6
    local public_ip4
    local public_ip6
    public_ip4="$(curl -s https://ip.yunohost.org)" || true
    public_ip6="$(curl -s https://ipv6.yunohost.org)" || true

    local turn_external_ip=""
    if [ -n "$public_ip4" ] && ynh_validate_ip --family=4 --ip_address="$public_ip4"
    then
        turn_external_ip+="$public_ip4,"
    fi
    if [ -n "$public_ip6" ] && ynh_validate_ip --family=6 --ip_address="$public_ip6"
    then
        turn_external_ip+="$public_ip6"
    fi
    ynh_config_add --jinja --template="turnserver.conf" --destination="/etc/matrix-$app/coturn.conf"
}

configure_nginx() {
    local e2e_enabled_by_default_client_config

    # Create .well-known redirection for access by federation
    if yunohost --output-as plain domain list | grep -q "^$server_name$"
    then
        local e2e_enabled_by_default_client_config
        if [ "$e2e_enabled_by_default" == "off" ]; then
            e2e_enabled_by_default_client_config=false
        else
            e2e_enabled_by_default_client_config=true
        fi
        ynh_config_add --template="server_name.conf" --destination="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
    fi

    # Create a dedicated NGINX config
    ynh_config_add_nginx
}

ensure_vars_set() {
    ynh_app_setting_set_default --app="$app" --key=report_stats --value=false
    ynh_app_setting_set_default --app="$app" --key=e2e_enabled_by_default --value=invite
    ynh_app_setting_set_default --app="$app" --key=turnserver_pwd --value="$(ynh_string_random --length=30)"
    ynh_app_setting_set_default --app="$app" --key=turnserver_cli_pwd --value="$(ynh_string_random --length=30)"

    if [ -z "${web_client_location:-}" ]
    then
        web_client_location="https://matrix.to/"

        element_instance=element
        if yunohost --output-as plain app list | grep -q "^$element_instance"'$'; then
            element_domain=$(ynh_app_setting_get --app=$element_instance --key=domain)
            element_path=$(ynh_app_setting_get --app=$element_instance --key=path)
            web_client_location="https://""$element_domain""$element_path"
        fi
        ynh_app_setting_set --key=web_client_location --value="$web_client_location"
    fi

    ynh_app_setting_set_default --app="$app" --key=client_base_url --value="$web_client_location"
    ynh_app_setting_set_default --app="$app" --key=invite_client_location --value="$web_client_location"

    ynh_app_setting_set_default --app="$app" --key=allow_public_rooms_without_auth --value="${allow_public_rooms:-false}"
    ynh_app_setting_set_default --app="$app" --key=allow_public_rooms_over_federation --value="${allow_public_rooms:-false}"
    ynh_app_setting_set_default --app="$app" --key=max_upload_size --value=100M
    ynh_app_setting_set_default --app="$app" --key=disable_msisdn_registration --value=true
    ynh_app_setting_set_default --app="$app" --key=account_threepid_delegates_msisdn --value=''
    ynh_app_setting_set_default --app="$app" --key=registrations_require_3pid --value=email
    ynh_app_setting_set_default --app="$app" --key=allowed_local_3pids_email --value=''
    ynh_app_setting_set_default --app="$app" --key=allowed_local_3pids_msisdn --value=''
    ynh_app_setting_set_default --app="$app" --key=account_threepid_delegates_msisdn --value=''
    ynh_app_setting_set_default --app="$app" --key=allow_guest_access --value=false
    ynh_app_setting_set_default --app="$app" --key=default_identity_server --value='https://matrix.org'
    ynh_app_setting_set_default --app="$app" --key=auto_join_rooms --value=''
    ynh_app_setting_set_default --app="$app" --key=autocreate_auto_join_rooms --value=false
    ynh_app_setting_set_default --app="$app" --key=auto_join_rooms_for_guests --value=true
    ynh_app_setting_set_default --app="$app" --key=enable_notifs --value=true
    ynh_app_setting_set_default --app="$app" --key=notif_for_new_users --value=true
    ynh_app_setting_set_default --app="$app" --key=enable_group_creation --value=true
    ynh_app_setting_set_default --app="$app" --key=enable_3pid_lookup --value=false
    ynh_app_setting_set_default --app="$app" --key=push_include_content --value=true
    ynh_app_setting_set_default --app="$app" --key=enable_dtls_for_audio_video_turn_call --value=true
}

set_permissions() {
    chown -R "$app:$app" "$install_dir"
    chmod -R u+rwX,g+rX-w,o= "$install_dir"

    chown -R "$app":"$app" "$code_dir"
    chmod -R u+rwX,g+rX-w,o= "$code_dir"

    chmod 750 "$code_dir"/Coturn_config_rotate.sh
    chmod 700 "$code_dir"/update_synapse_for_appservice.sh
    chmod 700 "$code_dir"/set_admin_user.sh

    if [ "${1:-}" == data ]; then
        chmod 750 "$data_dir"
        find "$data_dir" \(   \! -perm -o= \
                         -o \! -user "$app" \
                         -o \! -group "$app" \) \
                    -exec chown "$app:$app" {} \; \
                    -exec chmod o= {} \;
    fi

    chown "$app:$app" -R /etc/matrix-"$app"
    chmod u=rwX,g=rX,o= -R /etc/matrix-"$app"
    setfacl -R -m user:turnserver:rX  /etc/matrix-"$app"

    chmod 600 /etc/matrix-"$app"/"$server_name".signing.key

    chown "$app":root -R /var/log/matrix-"$app"
    chmod u=rwX,g=rX,o= -R /var/log/matrix-"$app"
    setfacl -R -m user:turnserver:rwX  /var/log/matrix-"$app"
}