telebit.js/usr/share/install_helper.sh

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#!/bin/bash
#<pre><code>
# What does this do.. and why?
# (and why is it so complicated?)
#
# What this does
#
# 1. Sets some vars and asks some questions
# 2. Installs everything into a single place
# (inculding deps like node.js, with the correct version)
# 3. Depending on OS, creates a user for the service
# 4. Depending on OS, register with system launcher
#
# Why
#
# So that you can get a fully configured, running product,
# with zero manual configuration in a matter of seconds -
# and have an uninstall that's just as easy.
#
# Why so complicated?
#
# To support nuance differences between various versions of
# Linux, macOS, and Android, including whether it's being
# installed with user privileges, as root, wit a system user
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# system daemon launcher, etc. Also, this is designed to be
# reusable with many apps and services, so it's very variabled...
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set -e
set -u
### http_bash exported by get.sh
my_email=${1:-}
my_relay=${2:-}
my_servernames=${3:-}
my_secret=${4:-}
my_user="telebit"
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my_app_pkg_name="cloud.telebit.remote"
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my_app="telebit"
my_bin="telebit.js"
my_name="Telebit Remote"
my_repo="telebit.js"
my_root=${my_root:-} # todo better install script
sudo_cmd="sudo"
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# TODO detect if rsync is available and use rsync -a (more portable)
rsync_cmd="cp -pPR"
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if [ -z "${my_email}" ]; then
echo ""
echo ""
echo "Telebit uses Greenlock for free automated ssl through Let's Encrypt."
echo ""
echo "To accept the Terms of Service for Telebit, Greenlock and Let's Encrypt,"
echo "please enter your email."
echo ""
read -p "email: " my_email
echo ""
# UX - just want a smooth transition
sleep 0.5
fi
if [ -z "${my_relay}" ]; then
echo "What relay will you be using? (press enter for default)"
echo ""
read -p "relay [default: wss://telebit.cloud]: " my_relay
echo ""
# UX - just want a smooth transition
sleep 0.5
fi
if [ -z "${my_servernames}" ]; then
echo "What servername(s) will you be relaying here? (press enter for default)"
echo ""
read -p "domain [default: <random>.telebit.cloud]: " my_servernames
echo ""
# UX - just want a smooth transition
sleep 0.5
fi
if [ -z "${my_secret}" ]; then
echo "What's your authorization for the relay server? (press enter for default)"
echo ""
read -p "auth [default: new account]: " my_secret
echo ""
# UX - just want a smooth transition
sleep 0.5
fi
echo ""
if [ -z "${TELEBIT_PATH:-}" ]; then
echo 'TELEBIT_PATH="'${TELEBIT_PATH:-}'"'
TELEBIT_PATH=/opt/$my_app
fi
echo "Installing $my_name to '$TELEBIT_PATH'"
echo "Installing node.js dependencies into '$TELEBIT_PATH'"
# v10.2+ has much needed networking fixes, but breaks ursa. v9.x has severe networking bugs. v8.x has working ursa, but requires tls workarounds"
NODEJS_VER="${NODEJS_VER:-v10}"
export NODEJS_VER
export NODE_PATH="$TELEBIT_PATH/lib/node_modules"
export NPM_CONFIG_PREFIX="$TELEBIT_PATH"
export PATH="$TELEBIT_PATH/bin:$PATH"
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sleep 0.5
echo "(your password may be required to complete installation)"
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http_bash https://git.coolaj86.com/coolaj86/node-installer.sh/raw/branch/master/install.sh --no-dev-deps >/dev/null 2>/dev/null
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my_tree="telebit" # my_branch
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my_node="$TELEBIT_PATH/bin/node"
my_npm="$my_node $TELEBIT_PATH/bin/npm"
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my_tmp="$(mktemp -d)"
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mkdir -p $my_tmp
echo "sudo mkdir -p '$TELEBIT_PATH'"
sudo mkdir -p "$TELEBIT_PATH"
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sudo mkdir -p "$TELEBIT_PATH/etc"
sudo mkdir -p "$TELEBIT_PATH/var/log"
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sudo chown -R $(id -u -n):$(id -g -n) "$TELEBIT_PATH"
echo "sudo mkdir -p '/etc/$my_app/'"
sudo mkdir -p "/etc/$my_app/"
sudo chown $(id -u -n):$(id -g -n) "/etc/$my_app/"
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#https://git.coolaj86.com/coolaj86/telebit.js.git
#https://git.coolaj86.com/coolaj86/telebit.js/archive/:tree:.tar.gz
#https://git.coolaj86.com/coolaj86/telebit.js/archive/:tree:.zip
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set +e
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my_unzip=$(type -p unzip)
my_tar=$(type -p tar)
if [ -n "$my_unzip" ]; then
rm -f $my_tmp/$my_app-$my_tree.zip
http_get https://git.coolaj86.com/coolaj86/$my_repo/archive/$my_tree.zip $my_tmp/$my_app-$my_tree.zip
# -o means overwrite, and there is no option to strip
$my_unzip -o $my_tmp/$my_app-$my_tree.zip -d $TELEBIT_PATH/ > /dev/null 2>&1
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$rsync_cmd $TELEBIT_PATH/$my_repo/* $TELEBIT_PATH/ > /dev/null
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rm -rf $TELEBIT_PATH/$my_bin
elif [ -n "$my_tar" ]; then
rm -f $my_tmp/$my_app-$my_tree.tar.gz
http_get https://git.coolaj86.com/coolaj86/$my_repo/archive/$my_tree.tar.gz $my_tmp/$my_app-$my_tree.tar.gz
ls -lah $my_tmp/$my_app-$my_tree.tar.gz
$my_tar -xzf $my_tmp/$my_app-$my_tree.tar.gz --strip 1 -C $TELEBIT_PATH/
else
echo "Neither tar nor unzip found. Abort."
exit 13
fi
set -e
pushd $TELEBIT_PATH >/dev/null
$my_npm install >/dev/null 2>/dev/null
popd >/dev/null
cat << EOF > $TELEBIT_PATH/bin/$my_app
#!/bin/bash
$my_node $TELEBIT_PATH/bin/$my_bin
EOF
chmod a+x $TELEBIT_PATH/bin/$my_app
echo "sudo ln -sf $TELEBIT_PATH/bin/$my_app /usr/local/bin/$my_app"
sudo ln -sf $TELEBIT_PATH/bin/$my_app /usr/local/bin/$my_app
set +e
if type -p setcap >/dev/null 2>&1; then
#echo "Setting permissions to allow $my_app to run on port 80 and port 443 without sudo or root"
echo "sudo setcap cap_net_bind_service=+ep $TELEBIT_PATH/bin/node"
sudo setcap cap_net_bind_service=+ep $TELEBIT_PATH/bin/node
fi
set -e
set +e
# TODO for macOS https://apple.stackexchange.com/questions/286749/how-to-add-a-user-from-the-command-line-in-macos
if type -p adduser >/dev/null 2>/dev/null; then
if [ -z "$(cat $my_root/etc/passwd | grep $my_user)" ]; then
$sudo_cmd adduser --home $TELEBIT_PATH --gecos '' --disabled-password $my_user >/dev/null 2>&1
fi
#my_user=$my_app_name
my_group=$my_user
elif [ -n "$(cat /etc/passwd | grep www-data:)" ]; then
# Linux (Ubuntu)
my_user=www-data
my_group=www-data
elif [ -n "$(cat /etc/passwd | grep _www:)" ]; then
# Mac
my_user=_www
my_group=_www
else
# Unsure
my_user=$(id -u -n) # $(whoami)
my_group=$(id -g -n)
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fi
set -e
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# TODO don't create this in TMP_PATH if it exists in TELEBIT_PATH
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my_config="$TELEBIT_PATH/etc/$my_app.yml"
mkdir -p "$(dirname $my_config)"
if [ ! -e "$my_config" ]; then
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#$rsync_cmd examples/$my_app.yml "$my_config"
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echo "email: $my_email" >> "$my_config"
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echo "email: $my_email" >> "$my_config"
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if [ -n "$my_secret" ]; then
echo "secret: $my_secret" >> "$my_config"
fi
if [ -n "$my_servernames" ]; then
echo "servernames:\n $my_servernames: {}" >> "$my_config"
fi
#echo "dynamic_ports:\n []" >> "$my_config"
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cat usr/share/$my_app.tpl.yml >> "$my_config"
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fi
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my_config="$HOME/.config/$my_app/$my_app.yml"
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mkdir -p "$(dirname $my_config)"
if [ ! -e "$my_config" ]; then
echo "cli: true" >> "$my_config"
echo "email: $my_email" >> "$my_config"
if [ -n "$my_secret" ]; then
echo "secret: $my_secret" >> "$my_config"
fi
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cat usr/share/$my_app.tpl.yml >> "$my_config"
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fi
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my_config_link="/etc/$my_app/$my_app.yml"
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if [ ! -e "$my_config_link" ]; then
echo "sudo ln -sf '$my_config' '$my_config_link'"
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#sudo mkdir -p /etc/$my_app
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sudo ln -sf "$my_config" "$my_config_link"
fi
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echo "sudo chown -R $my_user '$TELEBIT_PATH' '/etc/$my_app'"
sudo chown -R $my_user "$TELEBIT_PATH" "/etc/$my_app"
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# ~/.config/systemd/user/
# %h/.config/telebit/telebit.yml
echo "### Adding $my_app is a system service"
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# TODO detect with type -p
my_system_launcher=""
if [ -d "/Library/LaunchDaemons" ]; then
my_system_launcher="launchd"
my_app_launchd_service="Library/LaunchDaemons/${my_app_pkg_name}.plist"
echo "sudo $rsync_cmd $TELEBIT_PATH/usr/share/dist/$my_app_launchd_service /$my_app_launchd_service"
$sudo_cmd $rsync_cmd "$TELEBIT_PATH/usr/share/dist/$my_app_launchd_service" "/$my_app_launchd_service"
echo "$sudo_cmd chown root:wheel $my_root/$my_app_launchd_service"
$sudo_cmd chown root:wheel "$my_root/$my_app_launchd_service"
echo "$sudo_cmd launchctl unload -w $my_root/$my_app_launchd_service >/dev/null 2>/dev/null"
$sudo_cmd launchctl unload -w "$my_root/$my_app_launchd_service" >/dev/null 2>/dev/null
echo "$sudo_cmd launchctl load -w $my_root/$my_app_launchd_service"
$sudo_cmd launchctl load -w "$my_root/$my_app_launchd_service"
elif [ -d "$my_root/etc/systemd/system" ]; then
my_system_launcher="systemd"
echo "sudo $rsync_cmd $TELEBIT_PATH/usr/share/dist/etc/systemd/system/$my_app.service /etc/systemd/system/$my_app.service"
sudo $rsync_cmd "$TELEBIT_PATH/usr/share/dist/etc/systemd/system/$my_app.service" "/etc/systemd/system/$my_app.service"
sudo systemctl daemon-reload
echo "sudo systemctl enable $my_app"
sudo systemctl enable $my_app
echo "sudo systemctl start $my_app"
sudo systemctl restart $my_app
fi
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sleep 1
echo ""
echo ""
echo ""
echo "=============================================="
echo " Privacy Settings in Config"
echo "=============================================="
echo ""
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echo "The example config file /etc/$my_app/$my_app.yml opts-in to"
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echo "contributing telemetrics and receiving infrequent relevant updates"
echo "(probably once per quarter or less) such as important notes on"
echo "a new release, an important API change, etc. No spam."
echo ""
echo "Please edit the config file to meet your needs before starting."
echo ""
sleep 2
echo ""
echo ""
echo "=============================================="
echo "Installed successfully. Last steps:"
echo "=============================================="
echo ""
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if [ "systemd" == "$my_system_launcher" ]; then
echo "Edit the config and restart, if desired:"
echo ""
echo " sudo vim /etc/$my_app/$my_app.yml"
echo " sudo systemctl restart $my_app"
echo ""
echo "Or disabled the service and start manually:"
echo ""
echo " sudo systemctl stop $my_app"
echo " sudo systemctl disable $my_app"
echo " $my_app --config /etc/$my_app/$my_app.yml"
elif [ "launchd" == "$my_system_launcher" ]; then
echo "Edit the config and restart, if desired:"
echo ""
echo " sudo vim /opt/$my_app/etc/$my_app.yml"
echo " sudo launchctl unload $my_root/$my_app_launchd_service"
echo " sudo launchctl load -w $my_root/$my_app_launchd_service"
echo ""
echo "Or disabled the service and start manually:"
echo ""
echo " sudo launchctl unload -w $my_root/$my_app_launchd_service"
echo " $my_app --config /opt/$my_app/etc/$my_app.yml"
else
echo "Edit the config, if desired:"
echo ""
echo " sudo vim $my_config"
echo ""
echo "Or disabled the service and start manually:"
echo ""
echo " $my_app --config $my_config"
fi
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echo ""
sleep 1