freedombone-app-icecast

#!/bin/bash
#  _____               _           _
# |   __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# |   __|  _| -_| -_| . | . |     | . | . |   | -_|
# |__|  |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
#                              Freedom in the Cloud
#
# Icecast application
#
# License
# =======
#
# Copyright (C) 2017-2018 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

VARIANTS='full full-vim'

APP_CATEGORY=media

IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1
SHOW_CLEARNET_ADDRESS_ON_ABOUT=0

ICECAST_DOMAIN_NAME=
ICECAST_CODE=
ICECAST_PORT=8005
ICECAST_ONION_PORT=8146
ICECAST_DIR=/icestream
ICECAST_JINGLES=/jingles
ICECAST_LOGIN_TEXT=$"Icecast login"

ICECAST_SHORT_DESCRIPTION=$'Media broadcast'
ICECAST_DESCRIPTION=$'Media broadcast'
ICECAST_MOBILE_APP_URL=

ICECAST_TITLE=$'Music Service'
ICECAST_TITLE_MAIN=$'Music Service main'
ICECAST_DESCRIPTION=$"This is the myStation music stream. Add some information about your station's automated programming."

liquidsoap_binary=/etc/liquidsoapuser/.opam/system/bin/liquidsoap
liquidsoap_script=/etc/liquidsoapuser/radio.liq
liquidsoap_log=/etc/liquidsoapuser/liquidsoap.log

icecast_variables=(MY_USERNAME
                   MY_EMAIL_ADDRESS
                   ONION_ONLY
                   ICECAST_DOMAIN_NAME
                   ICECAST_CODE
                   ICECAST_TITLE
                   ICECAST_TITLE_MAIN
                   ICECAST_DESCRIPTION
                   DEFAULT_LANGUAGE)

function add_user_icecast {
    echo '0'
}

function remove_user_icecast {
    echo '0'
}

function icecast_install_latest_liquidsoap {
    useradd -c "liquidsoap system account" -d /etc/liquidsoapuser -m -r -g icecast liquidsoapuser
    gpasswd -a liquidsoapuser sudo
    su -c 'opam init -y' - liquidsoapuser
    # shellcheck disable=SC2016
    su -c 'eval `opam config env`' - liquidsoapuser
    su -c 'opam install depext' - liquidsoapuser
    chmod 755 /etc/sudoers
    if ! grep -q 'liquidsoapuser' /etc/sudoers; then
        echo 'liquidsoapuser ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
    else
        sed -i 's|liquidsoapuser.*|liquidsoapuser ALL=(ALL) NOPASSWD: ALL|g' /etc/sudoers
    fi
    chmod 0440 /etc/sudoers
    su -c 'opam depext -y taglib mad lame vorbis cry ssl samplerate magic opus liquidsoap' - liquidsoapuser
    su -c 'opam install -y taglib mad lame vorbis cry ssl samplerate magic opus liquidsoap' - liquidsoapuser
    if [ ! -f /etc/liquidsoapuser/.opam/system/bin/liquidsoap ]; then
        echo $'liquidsoap was not installed via opam'
        exit 356835683
    fi
}

function icecast_liquidsoap {
    # https://www.linuxjournal.com/content/creating-internet-radio-station-icecast-and-liquidsoap
    #$INSTALL_PACKAGES liquidsoap liquidsoap-plugin-icecast
    #$INSTALL_PACKAGES liquidsoap-plugin-lame liquidsoap-plugin-flac
    #$INSTALL_PACKAGES liquidsoap-plugin-ogg liquidsoap-plugin-vorbis
    #$INSTALL_PACKAGES liquidsoap-plugin-opus

    $INSTALL_PACKAGES opam

    icecast_install_latest_liquidsoap

    if [ ! -d $ICECAST_DIR ]; then
        mkdir $ICECAST_DIR
    fi
    if [ ! -d $ICECAST_JINGLES ]; then
        mkdir $ICECAST_JINGLES
    fi
    chown -R icecast2:icecast $ICECAST_DIR
    chown -R icecast2:icecast $ICECAST_JINGLES

    read_config_param ICECAST_TITLE
    read_config_param ICECAST_TITLE_MAIN
    read_config_param ICECAST_DESCRIPTION

    ICECAST_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecast)
    ICECAST_SOURCE_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastsource)
    ICECAST_RELAY_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastrelay)
    ICECAST_USER_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastuser)

    { echo '#Settings';
      echo '';
      echo 'set("log.file.path", "/dev/null")';
      echo 'set("server.telnet", false)';
      echo 'set("harbor.bind_addr","0.0.0.0")';
      echo '';
      echo '# Music playlists';
      echo "music1 = nrj(playlist.safe(\"$ICECAST_DIR\"))";
      echo '';
      echo '# Some jingles';
      echo "jingles = nrj(playlist.safe(\"$ICECAST_JINGLES\"))";
      echo '';
      echo '# If something goes wrong, well play this';
      echo 'security = single("/etc/icecast2/default.ogg")';
      echo '';
      echo '# Start building the feed with music';
      echo 'radio = random([music1])';
      echo '';
      echo '# Add the security, requests and smart crossfade';
      echo 'radio = fallback(track_sensitive = false,[smart_crossfade(fallback([request.queue(id="request"),radio])), security])';
      echo '';
      echo '# Now add some jingles';
      echo 'radio = random(weights=[1,2],[jingles,radio])';
      echo '';
      echo '# Add a skip command for the music stream';
      echo '#server.register(';
      echo '#usage="skip",';
      echo '#description="Skip the current song.",';
      echo '#"skip",';
      echo '#fun(_) -> begin source.skip(radio) "Done!" end';
      echo '';
      echo '# Talk over stream using microphone mount.';
      echo "#mic = input.harbor(\"mic\",port=8080,password=\"$ICECAST_USER_PASSWORD\",buffer=15.0,max=30.0)";
      echo '#radio = smooth_add(delay=0.8, p=0.15, normal=radio, special=mic)';
      echo '';
      echo '#Add support for live streams.';
      echo "#live = audio_to_stereo(input.harbor(\"live\", port=8080, password=\"$ICECAST_USER_PASSWORD\", buffer=15.0, max=30.0))";
      echo '#full = fallback(track_sensitive=false, [live,radio])';
      echo '';
      echo '# Stream it out';
      echo '#output.icecast(%mp3.vbr,';
      echo "#host = \"localhost\", port = $ICECAST_PORT, password = \"$ICECAST_SOURCE_PASSWORD\", mount = \"music.mp3\", name=\"$ICECAST_TITLE\", description=\"$ICECAST_DESCRIPTION\",radio)";
      echo '';
      echo '#output.icecast(%vorbis,';
      echo "#host = \"localhost\", port = $ICECAST_PORT,";
      echo "#password = \"$ICECAST_SOURCE_PASSWORD\", mount = \"music.ogg\",";
      echo "#name=\"$ICECAST_TITLE\", description=\"$ICECAST_DESCRIPTION\",radio)";
      echo '';
      echo '#output.icecast(%opus(vbr="unconstrained",bitrate=5),';
      echo "#host = \"localhost\", port = $ICECAST_PORT,";
      echo "#password = \"$ICECAST_SOURCE_PASSWORD\", mount = \"music.opus\",";
      echo "#name=\"$ICECAST_TITLE\", description=\"$ICECAST_DESCRIPTION\",radio)";
      echo '';
      echo "#output.icecast(%mp3.vbr, host = \"localhost\", port = $ICECAST_PORT, password = \"$ICECAST_SOURCE_PASSWORD\", mount = \"stream.mp3\", name=\"$ICECAST_TITLE_MAIN\", description=\"$ICECAST_TITLE_MAIN\", full)";
      echo '';
      echo "#output.icecast(%vorbis(samplerate=8000, channels=2, quality=0.1), host=\"localhost\", port=$ICECAST_PORT, password=\"$ICECAST_SOURCE_PASSWORD\", mount=\"stream.ogg\", name=\"$ICECAST_TITLE_MAIN\", description=\"$ICECAST_TITLE_MAIN\",full)";
      echo '';
      echo "output.icecast(%opus(vbr=\"unconstrained\",bitrate=20), description=\"$ICECAST_TITLE_MAIN\", host=\"localhost\", port=$ICECAST_PORT, password=\"$ICECAST_SOURCE_PASSWORD\", mount=\"stream.opus\", radio)"; } > "$liquidsoap_script"
    chown liquidsoapuser:icecast "$liquidsoap_script"

    { echo '[Unit]';
      echo 'Description=Radio Liquidsoap daemon';
      echo 'After=network.target';
      echo 'Documentation=http://liquidsoap.fm/';
      echo '';
      echo '[Service]';
      echo 'Type=simple';
      echo 'User=liquidsoapuser';
      echo 'WorkingDirectory=/etc/liquidsoapuser/.opam/system/bin';
      echo "ExecStart=$liquidsoap_binary $liquidsoap_script";
      echo 'Restart=always';
      echo '';
      echo '[Install]';
      echo 'WantedBy=multi-user.target'; } > /etc/systemd/system/radio.service
    systemctl enable radio.service
    systemctl daemon-reload
    systemctl restart radio.service
}

function icecast_rescan {
    cd "$ICECAST_DIR" || return
    for name in *; do mv "$name" "${name// /_}"; done

    # move default file
    if [ -f $ICECAST_DIR/default.ogg ]; then
        mv $ICECAST_DIR/default.ogg /etc/icecast2/default.ogg
        chown icecast2:icecast /etc/icecast2/default.ogg
    fi

    # move jingles
    mv $ICECAST_DIR/jingle* $ICECAST_JINGLES
    mv $ICECAST_DIR/Jingle* $ICECAST_JINGLES

    chown -R liquidsoapuser:icecast $ICECAST_DIR
    chown -R liquidsoapuser:icecast $ICECAST_JINGLES

    # restart the radio daemon
    systemctl restart radio
}

function icecast_update_daemon {
    systemctl stop icecast2
    if [ -f /etc/init.d/icecast2 ]; then
        rm /etc/init.d/icecast2
    fi

    { echo '#!/bin/sh';
      echo "systemctl stop radio";
      echo "systemctl stop icecast2"; } > /usr/bin/stop_icecast
    chmod +x /usr/bin/stop_icecast

    # Note that the sleep here actually is important
    { echo '#!/bin/bash';
      echo 'systemctl restart icecast2';
      echo 'systemctl restart radio'; } > /usr/bin/start_icecast
    chmod +x /usr/bin/start_icecast

    { echo '[Unit]';
      echo 'Description=Icecast';
      echo 'After=network.target';
      echo 'After=tor.service';
      echo '';
      echo '[Service]';
      echo 'User=icecast2';
      echo 'Group=icecast';
      echo 'ExecStart=/usr/bin/icecast2 -c /etc/icecast2/icecast.xml';
      echo 'Restart=always';
      echo 'RestartSec=10';
      echo '';
      echo '[Install]';
      echo 'WantedBy=multi-user.target'; } > /etc/systemd/system/icecast2.service

    chown -R icecast2:icecast /etc/icecast2
    systemctl daemon-reload
    systemctl enable icecast2
}

function change_password_icecast {
    curr_username="$1"
    new_user_password="$2"

    read_config_param MY_USERNAME
    if [[ "$curr_username" == "$MY_USERNAME" ]]; then
        stop_icecast

        sed -i "s|<admin-user>[^<]*</admin-user>|<admin-user>$curr_username</admin-user>|" /etc/icecast2/icecast.xml
        sed -i "s|<admin-password>[^<]*</admin-password>|<admin-password>$new_user_password</admin-password>|" /etc/icecast2/icecast.xml

        "${PROJECT_NAME}-pass" -u "$curr_username" -a icecast -p "$new_user_password"
        start_icecast
    fi
}

function logging_on_icecast {
    if [ ! -f /etc/icecast2/icecast.xml ]; then
        return
    fi
    sed -i 's|<loglevel>.*|<loglevel>4</loglevel>|g' /etc/icecast2/icecast.xml
    sed -i "s|set(\"log.file.path\".*|set(\"log.file.path\", \"$liquidsoap_log\")|g" "$liquidsoap_script"
}

function logging_off_icecast {
    if [ ! -f /etc/icecast2/icecast.xml ]; then
        return
    fi
    sed -i 's|<loglevel>.*|<loglevel>1</loglevel>|g' /etc/icecast2/icecast.xml
    sed -i 's|set("log.file.path".*|set("log.file.path", "/dev/null")|g' "$liquidsoap_script"
}

function reconfigure_icecast {
    echo -n ''
}

function icecast_import_from_directory {
    data=$(mktemp 2>/dev/null)
    dialog --title "Choose a directory containing stream files" --dselect "/home/$MY_USERNAME/" 30 60 2> "$data"
    selected_dir=$(cat "$data")
    rm -f "$data"
    if [[ "$selected_dir" == "$ICECAST_DIR" ]]; then
        return
    fi
    if [ ! -d "$selected_dir" ]; then
        return
    fi
    if [[ "$selected_dir" == "/home/$MY_USERNAME/" ]]; then
        return
    fi
    if [[ "$selected_dir" == "/home/$MY_USERNAME/."* ]]; then
        return
    fi
    if [[ "$selected_dir" == *"/Maildir" || "$selected_dir" == *"/Sync" ]]; then
        return
    fi

    dialog --title $"Import stream files directory into Icecast" \
           --backtitle $"Freedombone Control Panel" \
           --defaultno \
           --yesno $"\\nImport the directory:\\n\\n  $selected_dir" 12 75
    sel=$?
    case $sel in
        1) return;;
        255) return;;
    esac

    if [ ! -d $ICECAST_DIR ]; then
        mkdir -p $ICECAST_DIR
    fi

    # shellcheck disable=SC2086
    mv $selected_dir/* $ICECAST_DIR
    icecast_rescan

    dialog --title $"Import stream files directory into Icecast" \
           --msgbox $"Import success" 6 40
}

function icecast_import_from_usb {
    clear
    USB_DRIVE=$(detect_connected_drives)

    if [ ! -b "$USB_DRIVE" ]; then
        dialog --title $"Import stream files from USB drive" --msgbox $'No USB drive found' 6 50
        return
    fi

    backup_mount_drive "${USB_DRIVE}"
    if [ ! -d "$USB_MOUNT$ICECAST_DIR" ]; then
        dialog --title $"Import stream files from USB drive" --msgbox $'No stream files directory found on USB drive' 6 50
        backup_unmount_drive "${USB_DRIVE}"
    fi
    cp -ru "$USB_MOUNT$ICECAST_DIR/"* $ICECAST_DIR
    icecast_rescan
    backup_unmount_drive "${USB_DRIVE}"
    dialog --title $"Import stream files from USB drive" --msgbox $'Import complete. You may now remove the USB drive' 6 50
}

function icecast_export_to_usb {
    clear
    USB_DRIVE=$(detect_connected_drives)

    if [ ! -b "$USB_DRIVE" ]; then
        dialog --title $"Export stream files to USB drive" --msgbox $'No USB drive found' 6 50
        return
    fi

    backup_mount_drive "${USB_DRIVE}"
    if [ ! -d "$USB_MOUNT$ICECAST_DIR" ]; then
        mkdir -p "$USB_MOUNT$ICECAST_DIR"
    fi
    cp -ru "$ICECAST_DIR/"* "$USB_MOUNT$ICECAST_DIR"
    backup_unmount_drive "${USB_DRIVE}"
    dialog --title $"Export stream files to USB drive" --msgbox $'Export complete. You may now remove the USB drive' 6 50
}

function icecast_format_drive {
    USB_DRIVE=$(detect_connected_drives)
    data=$(mktemp 2>/dev/null)
    dialog --title $"Format USB drive $USB_DRIVE for stream file storage" \
           --backtitle $"Freedombone Control Panel" \
           --defaultno \
           --yesno $"\\nPlease confirm that you wish to format drive\\n\\n    ${USB_DRIVE}\\n\\nAll current data on the drive will be lost, and you will be prompted to give a password used to encrypt the drive.\\n\\nDANGER: If you screw up here and format the wrong drive it's your own fault!" 16 60
    sel=$?
    case $sel in
        1)  rm -f "$data"
            return;;
        255) rm -f "$data"
             return;;
    esac
    rm -f "$data"

    clear
    echo ''
    echo $"Formatting drive $USB_DRIVE. ALL CONTENTS WILL BE LOST."
    echo ''
    "${PROJECT_NAME}-format" "$USB_DRIVE"
    dialog --title $"Format USB drive $USB_DRIVE for stream file storage" --msgbox $'Format complete. You may now export stream files or remove the USB drive' 6 50
}

function icecast_change_login {
    read_config_param "$MY_USERNAME"
    ICECAST_USER_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastuser)

    data=$(mktemp 2>/dev/null)
    dialog --title $"Change Icecast stream visitor login" \
           --backtitle $"Freedombone Control Panel" \
           --inputbox $"Enter the new login password for stream visitors" 8 60 "$ICECAST_USER_PASSWORD" 2>"$data"
    sel=$?
    case $sel in
        0)  ICECAST_USER_PASSWORD=$(<"$data")
            if [[ "$ICECAST_USER_PASSWORD" != *' '* ]]; then
                if [ ${#ICECAST_USER_PASSWORD} -gt 8 ]; then
                    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastuser -p "$ICECAST_USER_PASSWORD"
                    dialog --title $"Change Icecast stream visitor login" \
                           --msgbox $"Password changed to $ICECAST_USER_PASSWORD" 6 75
                fi
            fi
            ;;
    esac
    rm -f "$data"
}

function icecast_enable_login {
    dialog --title $"Enable Icecast login" \
           --backtitle $"Freedombone Control Panel" \
           --defaultno \
           --yesno $"\\nDo you want to add a login so that random web users can't access your stream?" 10 60
    sel=$?
    case $sel in
        0) if grep -q '#auth_basic' /etc/nginx/sites-available/icecast; then
               sed -i 's|#auth_basic|auth_basic|g' /etc/nginx/sites-available/icecast
               systemctl restart nginx
           fi
           read_config_param "$MY_USERNAME"
           ICECAST_USER_PASSWORD=$("${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastuser)
           dialog --title $"Enable Icecast login" \
                  --msgbox $"Icecast logins are now enabled with the password $ICECAST_USER_PASSWORD" 6 65
           ICECAST_USER_PASSWORD=
           ;;
        1) if ! grep -q '#auth_basic' /etc/nginx/sites-available/icecast; then
               sed -i 's|auth_basic|#auth_basic|g' /etc/nginx/sites-available/icecast
               systemctl restart nginx
           fi
           dialog --title $"Disable Icecast login" \
                  --msgbox $"Icecast logins are now disabled. Anyone can access your stream." 6 65
           ;;
    esac
}

function icecast_set_stream_name {
    read_config_param ICECAST_TITLE
    read_config_param ICECAST_DESCRIPTION

    data=$(mktemp 2>/dev/null)
    dialog --backtitle $"Freedombone Control Panel" \
           --title $"Change Icecast stream details" \
           --form "\\n" 8 60 4 \
           $"Stream name:" 1 1 "$ICECAST_TITLE" 1 18 40 1000 \
           $"Description:" 2 1 "$ICECAST_DESCRIPTION" 2 18 40 1000 \
           $"Genre:" 3 1 "Example genre" 3 18 40 1000 \
           2> "$data"
    sel=$?
    case $sel in
        1) rm -f "$data"
           return;;
        255) rm -f "$data"
             return;;
    esac
    ICECAST_TITLE=$(sed -n 1p < "$data")
    ICECAST_DESCRIPTION=$(sed -n 2p < "$data")
    #stream_genre=$(sed -n 3p < "$data")

    rm -f "$data"

    stop_icecast
    icecast_liquidsoap
    start_icecast
}

function icecast_set_maximum_streams {
    data=$(mktemp 2>/dev/null)
    dialog --title $"Set the maximum clients" \
           --backtitle $"Freedombone Control Panel" \
           --inputbox $"Maximum number of clients" 8 40 "10" 2>"$data"
    sel=$?
    case $sel in
        0)
            max_clients=$(<"$data")
            if [ ${#max_clients} -gt 0 ]; then
                if [[ "$max_clients" != *' '* ]]; then
                    # shellcheck disable=SC2076
                    if [[ "$max_clients" =~ '^[0-9]+$' ]] ; then
                        sed -i "s|<clients>.*|<clients>${max_clients}</clients>|g" /etc/icecast2/icecast.xml
                        stop_icecast
                        start_icecast
                        dialog --title $"Set the maximum clients" \
                               --msgbox $"\\nMaximum Icecast clients was set to ${max_clients}" 8 50
                    fi
                fi
            fi
            ;;
    esac
    rm -f "$data"
}

function configure_interactive_icecast {
    W=(1 $"Import stream files from directory"
       2 $"Import stream files from USB drive"
       3 $"Format a USB drive for stream file storage"
       4 $"Export stream files to USB drive"
       5 $"Enable login for stream visitors"
       6 $"Change password for stream visitors"
       7 $"Re-scan playlist"
       8 $"Restart stream"
       9 $"Set Stream Name/Description/Genre"
       10 $"Set maximum number of clients/streams")

    while true
    do
        # shellcheck disable=SC2068
        selection=$(dialog --backtitle $"Freedombone Administrator Control Panel" --title $"Icecast" --menu $"Choose an operation, or ESC to exit:" 20 60 10 "${W[@]}" 3>&2 2>&1 1>&3)

        if [ ! "$selection" ]; then
            break
        fi

        case $selection in
            1) icecast_import_from_directory;;
            2) icecast_import_from_usb;;
            3) icecast_format_drive;;
            4) icecast_export_to_usb;;
            5) icecast_enable_login;;
            6) icecast_change_login;;
            7) clear
               echo $'Rescanning Icecast playlist'
               icecast_rescan;;
            8) clear
               echo $'Restarting Icecast stream'
               stop_icecast
               start_icecast;;
            9) icecast_set_stream_name;;
            10) icecast_set_maximum_streams;;
        esac
    done
}

function upgrade_icecast {
    icecast_update_daemon
}

function backup_local_icecast {
    if [ ! -d $ICECAST_DIR ]; then
        return
    fi
    stop_icecast

    cp /etc/nginx/.icepasswd $ICECAST_DIR

    function_check backup_directory_to_usb
    backup_directory_to_usb $ICECAST_DIR icecast

    rm $ICECAST_DIR/.icepasswd
    start_icecast
}

function restore_local_icecast {
    if [ ! -d $ICECAST_DIR ]; then
        return
    fi
    stop_icecast
    temp_restore_dir=/root/tempicecast
    function_check restore_directory_from_usb
    restore_directory_from_usb $temp_restore_dir icecast
    if [ -d $temp_restore_dir$ICECAST_DIR ]; then
        cp -r $temp_restore_dir$ICECAST_DIR $ICECAST_DIR/
    else
        cp -r $temp_restore_dir/* $ICECAST_DIR/*
    fi
    cp $ICECAST_DIR/.icepasswd /etc/nginx/.icepasswd
    rm $ICECAST_DIR/.icepasswd
    chown -R icecast2:icecast $ICECAST_DIR

    start_icecast
    rm -rf $temp_restore_dir
}

function backup_remote_icecast {
    echo -n ''
}

function restore_remote_icecast {
    echo -n ''
}

function remove_icecast {
    nginx_dissite icecast

    stop_icecast
    systemctl disable icecast2
    rm /etc/systemd/system/icecast2.service
    rm /usr/bin/start_icecast
    rm /usr/bin/stop_icecast

    if [ -f /etc/nginx/sites-available/icecast ]; then
        rm /etc/nginx/sites-available/icecast
    fi

    if [ -d /var/www/icecast ]; then
        rm -rf /var/www/icecast
    fi

    $REMOVE_PACKAGES_PURGE icecast2

    chmod 755 /etc/sudoers
    sed -i '/liquidsoapuser/d' /etc/sudoers
    chmod 0440 /etc/sudoers

    userdel -r liquidsoapuser
    if [ -d /etc/liquidsoapuser ]; then
        rm -rf /etc/liquidsoapuser
    fi
    $REMOVE_PACKAGES liquidsoap-*
    $REMOVE_PACKAGES liquidsoap

    if [ -d /etc/icecast2 ]; then
        rm -rf /etc/icecast2
    fi
    function_check remove_onion_service
    remove_onion_service icecast ${ICECAST_ONION_PORT}
    sed -i '/icecast/d' "$COMPLETION_FILE"
}

function install_icecast {
    increment_app_install_progress

    $INSTALL_PACKAGES software-properties-common debconf-utils

    increment_app_install_progress

    $UPDATE_PACKAGES

    increment_app_install_progress

    debconf-set-selections <<< "icecast2 icecast2/icecast-setup boolean false"

    increment_app_install_progress

    $INSTALL_PACKAGES icecast2

    increment_app_install_progress

    $INSTALL_PACKAGES ffmpeg apache2-utils vorbis-tools

    increment_app_install_progress

    if [ ! -f /etc/icecast2/icecast.xml ]; then
        echo $'Icecast not installed'
        exit 7923528
    fi

    if [ ! "${ICECAST_PASSWORD}" ]; then
        if [ -f "${IMAGE_PASSWORD_FILE}" ]; then
            ICECAST_PASSWORD="$(printf "%s" "$(cat "$IMAGE_PASSWORD_FILE")")"
        else
            ICECAST_PASSWORD="$(create_password "${MINIMUM_PASSWORD_LENGTH}")"
        fi
    fi
    ICECAST_SOURCE_PASSWORD="$(create_password 30)"
    ICECAST_RELAY_PASSWORD="$(create_password 30)"

    ICECAST_ONION_HOSTNAME=$(add_onion_service icecast 80 ${ICECAST_ONION_PORT})

    increment_app_install_progress

    sed -i  -e "s|<source-password>[^<]*</source-password>|<source-password>$ICECAST_SOURCE_PASSWORD</source-password>|" \
        -e "s|<relay-password>[^<]*</relay-password>|<relay-password>$ICECAST_RELAY_PASSWORD</relay-password>|" \
        -e "s|<admin-password>[^<]*</admin-password>|<admin-password>$ICECAST_PASSWORD</admin-password>|" \
        -e "s|<hostname>[^<]*</hostname>|<hostname>localhost</hostname>|" \
        /etc/icecast2/icecast.xml

    sed -i "s|<clients>.*|<clients>10</clients>|g" /etc/icecast2/icecast.xml
    sed -i "s|<sources>.*|<sources>22</sources>|g" /etc/icecast2/icecast.xml
    sed -i "s|<port>.*|<port>$ICECAST_PORT</port>|g" /etc/icecast2/icecast.xml
    sed -i "s|<admin-user>.*|<admin-user>$MY_USERNAME</admin-user>|g" /etc/icecast2/icecast.xml
    sed -i "s|<admin>.*|<admin>$MY_USERNAME@localhost</admin>|g" /etc/icecast2/icecast.xml
    sed -i "s|<location>.*|<location>The Interwebs</location>|g" /etc/icecast2/icecast.xml
    #sed -i 's|<!-- <bind-address>.*|<bind-address>127.0.0.1</bind-address>|g' /etc/icecast2/icecast.xml

    if [ ! -d /var/www/icecast/htdocs ]; then
        mkdir -p /var/www/icecast/htdocs
    fi

    increment_app_install_progress

    icecast_nginx_site=/etc/nginx/sites-available/icecast
    { echo 'server {';
      echo "    listen 127.0.0.1:$ICECAST_ONION_PORT default_server;";
      echo '    port_in_redirect off;';
      echo "    server_name $ICECAST_ONION_HOSTNAME;";
      echo '';
      echo "    proxy_set_header Host \$host;";
      echo "    proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;";
      echo "    proxy_set_header X-Forwarded-Host \$host;";
      echo "    proxy_set_header X-Forwarded-Server \$host;";
      echo "    proxy_set_header X-Real-IP \$remote_addr;";
      echo '';
      echo '    # Logs';
      echo '    access_log /dev/null;';
      echo '    error_log /dev/null;';
      echo '';
      echo '    location / {'; } > $icecast_nginx_site
    function_check nginx_limits
    nginx_limits "$ICECAST_ONION_HOSTNAME" '15m'
    { echo "        proxy_pass http://127.0.0.1:$ICECAST_PORT;";
      echo "        #auth_basic \"${ICECAST_LOGIN_TEXT}\";";
      echo '        #auth_basic_user_file /etc/nginx/.icepasswd;';
      echo '';
      echo '        location /server_version.xsl {';
      echo '            deny all;';
      echo '        }';
      echo '    }';
      echo '}'; } >> $icecast_nginx_site

    if [ ! -d /var/log/ices ]; then
        mkdir -p /var/log/ices
    fi

    sed -i 's|ENABLE=.*|ENABLE=true|g' /etc/default/icecast2
    sed -i 's|<!-- <bind-address>.*|<bind-address>127.0.0.1</bind-address>|g' /etc/icecast2/icecast.xml
    sed -i 's|<!--<bind-address>.*|<bind-address>127.0.0.1</bind-address>|g' /etc/icecast2/icecast.xml

    if [ ! -d $ICECAST_DIR ]; then
        mkdir $ICECAST_DIR
    fi
    chown -R icecast2:icecast $ICECAST_DIR

    increment_app_install_progress

    # create a password for users
    ICECAST_USER_PASSWORD="$(create_password "${MINIMUM_PASSWORD_LENGTH}")"
    if grep -q "$MY_USERNAME:" /etc/nginx/.icepasswd; then
        sed -i "/$MY_USERNAME:/d" /etc/nginx/.icepasswd
    fi

    increment_app_install_progress

    echo "$ICECAST_USER_PASSWORD" | htpasswd -i -s -c /etc/nginx/.icepasswd "$MY_USERNAME"
    if [ ! -f /etc/nginx/.icepasswd ]; then
        echo $'/etc/nginx/.icepasswd not found'
        exit 73528235
    fi

    increment_app_install_progress

    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecast -p "$ICECAST_PASSWORD"
    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastsource -p "$ICECAST_SOURCE_PASSWORD"
    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastrelay -p "$ICECAST_RELAY_PASSWORD"
    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a icecastuser -p "$ICECAST_USER_PASSWORD"

    groupadd icecast
    useradd -c "Icecast system account" -d /etc/icecast2 -m -r -g icecast icecast2

    increment_app_install_progress

    icecast_liquidsoap

    increment_app_install_progress

    icecast_update_daemon

    increment_app_install_progress

    nginx_ensite icecast
    systemctl restart nginx

    increment_app_install_progress

    icecast_rescan

    increment_app_install_progress

    start_icecast

    APP_INSTALLED=1
}

function install_interactive_icecast {
    install_icecast
}

# NOTE: deliberately no exit 0