#!/bin/bash
#  _____               _           _
# |   __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# |   __|  _| -_| -_| . | . |     | . | . |   | -_|
# |__|  |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
#                              Freedom in the Cloud
#
# RSS reader application
#
# License
# =======
#
# Copyright (C) 2014-2018 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 writer'

IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1
SHOW_ICANN_ADDRESS_ON_ABOUT=0

RSS_READER_REPO="https://tt-rss.org/git/tt-rss.git"
RSS_READER_COMMIT='9e84bab449f9ed55e02e60378b0af1521026f3b8'
RSS_READER_ADMIN_PASSWORD=
RSS_READER_ONION_PORT=8092
RSS_MOBILE_READER_ONION_PORT=8095
RSS_READER_DOMAIN_NAME=ttrss
RSS_MOBILE_READER_REPO="https://github.com/mboinet/ttrss-mobile"
RSS_MOBILE_READER_COMMIT='d5242e1c269e9480ab3b66b7a38da3c892dfb326'
RSS_READER_PATH=/etc/share/tt-rss

rss_variables=(RSS_READER_REPO
               RSS_MOBILE_READER_REPO
               RSS_READER_ADMIN_PASSWORD
               RSS_READER_DOMAIN_NAME
               USB_MOUNT
               MY_USERNAME)

function logging_on_rss {
    echo -n ''
}

function logging_off_rss {
    echo -n ''
}

function remove_user_rss {
    echo -n ''
#    remove_username="$1"
}

function add_user_rss {
#    new_username="$1"
#    new_user_password="$2"
    echo '0'
}

function install_interactive_rss {
    echo -n ''
    APP_INSTALLED=1
}

function change_password_rss {
    echo -n ''
#    curr_username="$1"
#    new_user_password="$2"

    #${PROJECT_NAME}-pass -u "$curr_username" -a rss -p "$new_user_password"
}

function rss_create_database {
    if [ -f "$IMAGE_PASSWORD_FILE" ]; then
        RSS_READER_ADMIN_PASSWORD="$(printf "%s" "$(cat "$IMAGE_PASSWORD_FILE")")"
    else
        if [ ! "$RSS_READER_ADMIN_PASSWORD" ]; then
            RSS_READER_ADMIN_PASSWORD="$(create_password "${MINIMUM_PASSWORD_LENGTH}")"
        fi
    fi
    if [ ! "$RSS_READER_ADMIN_PASSWORD" ]; then
        return
    fi

    function_check create_database
    create_database ttrss "$RSS_READER_ADMIN_PASSWORD" "$MY_USERNAME"
}

function reconfigure_rss {
    echo -n ''
}

function upgrade_rss {
    CURR_RSS_READER_COMMIT=$(get_completion_param "rss reader commit")
    if [[ "$CURR_RSS_READER_COMMIT" == "$RSS_READER_COMMIT" ]]; then
        return
    fi

    RSS_MOBILE_READER_PATH=/etc/share/ttrss-mobile

    if [[ $(app_is_installed rss) == "1" ]]; then
        function_check set_repo_commit
        set_repo_commit $RSS_READER_PATH "rss reader commit" "$RSS_READER_COMMIT" $RSS_READER_REPO
        function_check rss_modifications
        rss_modifications
    fi

    if [[ $(app_is_installed rss_mobile_reader) == "1" ]]; then
        if [ ! $RSS_READER_PATH ]; then
            RSS_READER_PATH=/etc/share/tt-rss
        fi

        if [ ! -d $RSS_READER_PATH ]; then
            echo $'tt-rss is not installed, so the mobile version cannot be installed'
            exit 63452
        fi

        # remove any previous install
        if [ -d $RSS_READER_PATH/g2ttree-mobile ]; then
            if [[ $(is_completed "install_rss_mobile_reader") == "1" ]]; then
                sed -i '/install_rss_mobile_reader/d' "$COMPLETION_FILE"
                sed -i '/rss mobile reader commit/d' "$COMPLETION_FILE"
                rm -rf $RSS_READER_PATH/g2ttree-mobile
            fi
        fi

        # update to the next commit
        function_check set_repo_commit
        set_repo_commit $RSS_MOBILE_READER_PATH "rss mobile reader commit" "$RSS_MOBILE_READER_COMMIT" $RSS_MOBILE_READER_REPO
    fi

    chown -R www-data:www-data $RSS_MOBILE_READER_PATH
    chown -R www-data:www-data $RSS_READER_PATH
    chmod a+x $RSS_MOBILE_READER_PATH
    systemctl restart ttrss
}

function backup_local_rss {
    if [ -d /etc/share/tt-rss ]; then
        echo $"Backing up ttrss"

        function_check get_mariadb_password
        get_mariadb_password

        function_check backup_database_to_usb
        backup_database_to_usb ttrss

        backup_directory_to_usb /etc/share/tt-rss ttrss

        echo $"ttrss backup complete"
    fi
}

function restore_local_rss {
    temp_restore_dir=/root/tempttrss

    function_check get_mariadb_password
    get_mariadb_password

    function_check restore_database
    restore_database ttrss

    if [ -d /etc/share/tt-rss ]; then
        if [ -d $temp_restore_dir/etc/share/tt-rss ]; then
            if [ -d $temp_restore_dir/etc/share/tt-rss ]; then
                rm -rf /etc/share/tt-rss
                mv $temp_restore_dir/etc/share/tt-rss /etc/share/
            else
                if [ ! -d /etc/share/tt-rss ]; then
                    mkdir -p /etc/share/tt-rss
                fi
                cp -r $temp_restore_dir/* /etc/share/tt-rss/
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                function_check set_user_permissions
                set_user_permissions

                function_check backup_unmount_drive
                backup_unmount_drive
                exit 528823
            fi
            if [ -d /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME} ]; then
                ln -s "/etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/privkey.pem" "/etc/ssl/private/${2}.key"
                ln -s "/etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/fullchain.pem" "/etc/ssl/certs/${2}.pem"
            else
                # Ensure that the bundled SSL cert is being used
                if [ -f /etc/ssl/certs/${RSS_READER_DOMAIN_NAME}.bundle.crt ]; then
                    sed -i "s|${RSS_READER_DOMAIN_NAME}.crt|${RSS_READER_DOMAIN_NAME}.bundle.crt|g" "/etc/nginx/sites-available/${2}"
                fi
            fi
        fi
    fi

    function_check rss_modifications
    rss_modifications

    if [ -d "$USB_MOUNT/backup/ttrss" ]; then
        chown -R www-data:www-data /etc/share/tt-rss
        if [ -d $temp_restore_dir ]; then
            rm -rf $temp_restore_dir
        fi
    fi

    MARIADB_PASSWORD=$("${PROJECT_NAME}-pass" -u root -a mariadb)
    sed -i "s|define('DB_PASS'.*|define('DB_PASS', '${MARIADB_PASSWORD}');|g" $RSS_READER_PATH/config.php
    MARIADB_PASSWORD=
}

function backup_remote_rss {
    if [ -d /etc/share/tt-rss ]; then
        function_check suspend_site
        suspend_site ttrss

        function_check get_mariadb_password
        get_mariadb_password

        function_check backup_database_to_friend
        backup_database_to_friend ttrss

        echo $"Backing up RSS reader installation"

        function_check backup_directory_to_friend
        backup_directory_to_friend /etc/share/tt-rss ttrss

        function_check restart_site
        restart_site
    else
        echo $"/etc/share/tt-rss directory not found}"
        exit 783532
    fi
}

function restore_remote_rss {
    temp_restore_dir=/root/tempttrss
    if grep -q "rss reader domain" "$COMPLETION_FILE"; then
        echo $"Restoring ttrss"
        function_check get_mariadb_password
        get_mariadb_password

        function_check restore_database_from_friend
        restore_database_from_friend ttrss

        if [ -d /etc/share/tt-rss ]; then
            if [ -d $temp_restore_dir/etc/share/tt-rss ]; then
                rm -rf /etc/share/tt-rss
                mv $temp_restore_dir/etc/share/tt-rss /etc/share/
            else
                if [ ! -d /etc/share/tt-rss ]; then
                    mkdir -p /etc/share/tt-rss
                fi
                cp -r $temp_restore_dir/* /etc/share/tt-rss/
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                exit 6391
            fi
            if [ -d /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME} ]; then
                ln -s /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/privkey.pem /etc/ssl/private/${RSS_READER_DOMAIN_NAME}.key
                ln -s /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/fullchain.pem /etc/ssl/certs/${RSS_READER_DOMAIN_NAME}.pem
            else
                # Ensure that the bundled SSL cert is being used
                if [ -f /etc/ssl/certs/${RSS_READER_DOMAIN_NAME}.bundle.crt ]; then
                    sed -i "s|${RSS_READER_DOMAIN_NAME}.crt|${RSS_READER_DOMAIN_NAME}.bundle.crt|g" /etc/nginx/sites-available/${RSS_READER_DOMAIN_NAME}
                fi
            fi
        fi

        function_check rss_modifications
        rss_modifications

        if [ -d "$SERVER_DIRECTORY/backup/ttrss" ]; then
            chown -R www-data:www-data /etc/share/tt-rss
        fi
        if [ -d /root/tempttrss ]; then
            rm -rf /root/tempttrss
        fi

        MARIADB_PASSWORD=$("${PROJECT_NAME}-pass" -u root -a mariadb)
        sed -i "s|define('DB_PASS'.*|define('DB_PASS', '${MARIADB_PASSWORD}');|g" $RSS_READER_PATH/config.php
        MARIADB_PASSWORD=

        echo $"Restore of ttrss complete"
    fi
}

function remove_rss {
    if [ ${#RSS_READER_DOMAIN_NAME} -eq 0 ]; then
        return
    fi

    nginx_dissite $RSS_READER_DOMAIN_NAME
    function_check remove_onion_service
    remove_onion_service mobilerss ${RSS_MOBILE_READER_ONION_PORT}
    remove_onion_service rss ${RSS_READER_ONION_PORT}
    if [ -f /etc/nginx/sites-available/$RSS_READER_DOMAIN_NAME ]; then
        rm /etc/nginx/sites-available/$RSS_READER_DOMAIN_NAME
    fi
    if [ -d $RSS_READER_PATH ]; then
        rm -rf $RSS_READER_PATH
    fi
    function_check drop_database
    drop_database ttrss
    remove_completion_param install_rss
    sed -i '/RSS /d' "$COMPLETION_FILE"
    sed -i '/rss /d' "$COMPLETION_FILE"
    sed -i '/rss_/d' "$COMPLETION_FILE"
    remove_backup_database_local ttrss
}

function rss_modifications {
    # modify the rss reader to use a socks5 proxy rather than a http proxy
    if [ ! -d $RSS_READER_PATH ]; then
        return
    fi

    rss_modified=

    # ensure that socks5 proxy is used
    if ! grep -q "CURLPROXY_SOCKS5" $RSS_READER_PATH/plugins/af_unburn/init.php; then
        sed -i "/curl_setopt(\$ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);/a \\\\t\\t\\t\\t\\tcurl_setopt(\$ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);" "$RSS_READER_PATH/plugins/af_unburn/init.php"
        rss_modified=1
    fi
    if ! grep -q "CURLPROXY_SOCKS5" $RSS_READER_PATH/include/functions.php; then
        sed -i "/curl_setopt(\$ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);/a \\\\t\\t\\t\\tcurl_setopt(\$ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);" "$RSS_READER_PATH/include/functions.php"
        rss_modified=1
    fi
    if [ $rss_modified ]; then
        cd $RSS_READER_PATH || exit 564286428
        git commit -a -m"Modify for Tor proxying"
    fi
    chown -R www-data:www-data $RSS_READER_PATH

    chmod a+x $RSS_READER_PATH
}

function install_rss_main {
    function_check remove_onion_service
    remove_onion_service rss ${RSS_READER_ONION_PORT} ${RSS_MOBILE_READER_ONION_PORT}

    apt-get -yq install php-gettext php-curl php-gd php-mysql git
    apt-get -yq install curl php-mcrypt libfcgi0ldbl

    remove_onion_service mobilerss ${RSS_MOBILE_READER_ONION_PORT}
    remove_onion_service rss ${RSS_READER_ONION_PORT}

    if [ ! -d /etc/share ]; then
        mkdir /etc/share
    fi
    cd /etc/share || exit 46284628

    if [ -d /repos/rss ]; then
        mkdir tt-rss
        cp -r -p /repos/rss/. tt-rss
        cd tt-rss || exit 462846822
        git pull
    else
        function_check git_clone
        git_clone $RSS_READER_REPO tt-rss
    fi

    if [ ! -d $RSS_READER_PATH ]; then
        echo $'Could not clone RSS reader repo'
        exit 52925
    fi
    cd $RSS_READER_PATH || exit 42479825792593
    git checkout $RSS_READER_COMMIT -b $RSS_READER_COMMIT
    set_completion_param "rss reader commit" "$RSS_READER_COMMIT"

    function_check install_mariadb
    install_mariadb

    function_check get_mariadb_password
    get_mariadb_password

    function_check repair_databases_script
    repair_databases_script

    rss_create_database

    USE_V2_ONION_ADDRESS=1
    RSS_READER_ONION_HOSTNAME=$(add_onion_service rss 80 ${RSS_READER_ONION_PORT})

    sleep 2

    USE_V2_ONION_ADDRESS=1
    RSS_MOBILE_READER_ONION_HOSTNAME=$(add_onion_service mobilerss 80 ${RSS_MOBILE_READER_ONION_PORT})

    { echo 'server {';
      echo "  listen 127.0.0.1:$RSS_MOBILE_READER_ONION_PORT;";
      echo "  server_name $RSS_MOBILE_READER_ONION_HOSTNAME;";
      echo '';
      echo '  access_log /dev/null;';
      echo '  error_log /dev/null;';
      echo '';
      echo '  root /etc/share/ttrss-mobile;';
      echo '  index index.html index.php;';
      echo '';
      echo '  location ~ \.php {';
      echo '    include snippets/fastcgi-php.conf;';
      echo '    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
      echo '    fastcgi_read_timeout 30;';
      echo '  }';
      echo '';
      echo '  location / {';
      echo "    try_files \$uri \$uri/ @ttrss;";
      echo '  }';
      echo '  location /tt-rss {';
      echo "    try_files \$uri \$uri/ @ttrss_base;";
      echo '  }';
      echo '';
      echo '  location @ttrss {';
      echo "    rewrite ^(.*)\$ /index.html?p=\$1 last;";
      echo '  }';
      echo '  location @ttrss_base {';
      echo "    rewrite ^(.*)\$ /index.php?p=\$1 last;";
      echo '  }';
      echo '';
      echo '  location ~ /\.(git) {';
      echo '    deny all;';
      echo '  }';
      echo '';
      echo '  add_header X-XSS-Protection "1; mode=block";';
      echo '  add_header X-Robots-Tag none;';
      echo '  add_header X-Download-Options noopen;';
      echo '  add_header X-Permitted-Cross-Domain-Policies none;';
      echo '  add_header X-Frame-Options SAMEORIGIN;';
      echo '  add_header X-Content-Type-Options nosniff;';
      echo '  client_max_body_size 15m;';
      echo '}';
      echo '';
      echo 'server {';
      echo "  listen 127.0.0.1:$RSS_READER_ONION_PORT default_server;";
      echo "  server_name $RSS_READER_ONION_HOSTNAME;";
      echo '';
      echo '  access_log /dev/null;';
      echo '  error_log /dev/null;';
      echo '';
      echo '  root /etc/share/tt-rss;';
      echo '  index index.php;';
      echo '';
      echo '  location ~ \.php {';
      echo '    include snippets/fastcgi-php.conf;';
      echo '    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
      echo '    fastcgi_read_timeout 30;';
      echo '  }';
      echo '';
      echo "  set \$mobile_rewrite do_not_perform;";
      echo '';
      echo '  ## chi http_user_agent for mobile / smart phones ##';
      echo "  if (\$http_user_agent ~* \"(android|bb\\d+|meego).+mobile|avantgo|bada\\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino\") {";
      echo "    set \$mobile_rewrite perform;";
      echo '  }';
      echo '';
      echo "  if (\$http_user_agent ~* \"^(1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\\-(n|u)|c55\\/|capi|ccwa|cdm\\-|cell|chtm|cldc|cmd\\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\\-s|devi|dica|dmob|do(c|p)o|ds(12|\\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\\-|_)|g1 u|g560|gene|gf\\-5|g\\-mo|go(\\.w|od)|gr(ad|un)|haie|hcit|hd\\-(m|p|t)|hei\\-|hi(pt|ta)|hp( i|ip)|hs\\-c|ht(c(\\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\\-(20|go|ma)|i230|iac( |\\-|\\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\\/)|klon|kpt |kwc\\-|kyo(c|k)|le(no|xi)|lg( g|\\/(k|l|u)|50|54|\\-[a-w])|libw|lynx|m1\\-w|m3ga|m50\\/|ma(te|ui|xo)|mc(01|21|ca)|m\\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\\-2|po(ck|rt|se)|prox|psio|pt\\-g|qa\\-a|qc(07|12|21|32|60|\\-[2-7]|i\\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\\-|oo|p\\-)|sdk\\/|se(c(\\-|0|1)|47|mc|nd|ri)|sgh\\-|shar|sie(\\-|m)|sk\\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\\-|v\\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\\-|tdg\\-|tel(i|m)|tim\\-|t\-mo|to(pl|sh)|ts(70|m\\-|m3|m5)|tx\\-9|up(\\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\\-|your|zeto|zte\\-)\") {";
      echo "    set \$mobile_rewrite perform;";
      echo '  }';
      echo '';
      echo "  if (\$mobile_rewrite = perform) {";
      echo "    rewrite ^/(.*) http://$RSS_MOBILE_READER_ONION_HOSTNAME permanent;";
      echo '    break;';
      echo '  }';
      echo '';
      echo '  location ~ \.php {';
      echo '    include snippets/fastcgi-php.conf;';
      echo '    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
      echo '  }';
      echo '';
      echo '  location / {';
      echo "    try_files \$uri \$uri/ @ttrss;";
      echo '  }';
      echo '';
      echo '  location @ttrss {';
      echo "    rewrite ^(.*)\$ /index.php?p=\$1 last;";
      echo '  }';
      echo '';
      echo '  location ~ /\.(git) {';
      echo '    deny all;';
      echo '  }';
      echo '';
      echo '  add_header X-XSS-Protection "1; mode=block";';
      echo '  add_header X-Robots-Tag none;';
      echo '  add_header X-Download-Options noopen;';
      echo '  add_header X-Permitted-Cross-Domain-Policies none;';
      echo '  add_header X-Frame-Options SAMEORIGIN;';
      echo '  add_header X-Content-Type-Options nosniff;';
      echo '  client_max_body_size 15m;';
      echo '}'; } > "/etc/nginx/sites-available/$RSS_READER_DOMAIN_NAME"

    if [ ! -f $RSS_READER_PATH/config.php ]; then
        # generate a config file
        RSS_FEED_CRYPT_KEY="$(create_password 24)"
        { echo '<?php';
          echo "  define('_CURL_HTTP_PROXY', '127.0.0.1:9050');";
          echo "  define('DB_TYPE', 'mysql');";
          echo "  define('DB_HOST', 'localhost');";
          echo "  define('DB_USER', 'root');";
          echo "  define('DB_NAME', 'ttrss');";
          echo "  define('DB_PASS', '${MARIADB_PASSWORD}');";
          echo "  define('DB_PORT', '3306');";
          echo "  define('MYSQL_CHARSET', 'UTF8');";
          echo "  define('SELF_URL_PATH', 'http://${RSS_READER_ONION_HOSTNAME}/');";
          echo "  define('FEED_CRYPT_KEY', '${RSS_FEED_CRYPT_KEY}');";
          echo "  define('SINGLE_USER_MODE', false);";
          echo "  define('SIMPLE_UPDATE_MODE', false);";
          echo "  define('PHP_EXECUTABLE', '/usr/bin/php');";
          echo "  define('LOCK_DIRECTORY', 'lock');";
          echo "  define('CACHE_DIR', 'cache');";
          echo "  define('ICONS_DIR', \"feed-icons\");";
          echo "  define('ICONS_URL', \"feed-icons\");";
          echo "  define('AUTH_AUTO_CREATE', true);";
          echo "  define('AUTH_AUTO_LOGIN', true);";
          echo "  define('FORCE_ARTICLE_PURGE', 0);";
          echo "  define('PUBSUBHUBBUB_HUB', '');";
          echo "  define('PUBSUBHUBBUB_ENABLED', false);";
          echo "  define('SPHINX_SERVER', 'localhost:9312');";
          echo "  define('SPHINX_INDEX', 'ttrss, delta');";
          echo "  define('ENABLE_REGISTRATION', false);";
          echo "  define('REG_NOTIFY_ADDRESS', '${MY_EMAIL_ADDRESS}');";
          echo "  define('REG_MAX_USERS', 10);";
          echo "  define('SESSION_COOKIE_LIFETIME', 86400);";
          echo "  define('SMTP_FROM_NAME', 'Tiny Tiny RSS');";
          echo "  define('SMTP_FROM_ADDRESS', 'noreply@${RSS_READER_ONION_HOSTNAME}');";
          echo "  define('DIGEST_SUBJECT', '[tt-rss] New headlines for last 24 hours');";
          echo "  define('SMTP_SERVER', '');";
          echo "  define('SMTP_LOGIN', '');";
          echo "  define('SMTP_PASSWORD', '');";
          echo "  define('SMTP_SECURE', '');";
          echo "  define('CHECK_FOR_UPDATES', false);";
          echo "  define('ENABLE_GZIP_OUTPUT', false);";
          echo "  define('PLUGINS', 'auth_internal, note, gnusocial');";
          echo "  define('LOG_DESTINATION', 'sql');";
          echo "  define('CONFIG_VERSION', 26);"; } > $RSS_READER_PATH/config.php
    fi

    # initialize the database
    if [ ! -f $RSS_READER_PATH/schema/ttrss_schema_mysql.sql ]; then
        echo $'No database schema found for rss reader'
        exit 52926
    fi
    initialise_database ttrss $RSS_READER_PATH/schema/ttrss_schema_mysql.sql

    # change the password from the default
    RSS_READER_ADMIN_PASSWORD_HASH=$(echo -n "${RSS_READER_ADMIN_PASSWORD}" | sha1sum | awk -F ' ' '{print $1}')

    function_check run_query
    run_query ttrss "update ttrss_users set pwd_hash = 'SHA1:${RSS_READER_ADMIN_PASSWORD_HASH}', salt= '' WHERE login = 'admin';"

    function_check rss_modifications
    rss_modifications

    function_check configure_php
    configure_php

    nginx_ensite $RSS_READER_DOMAIN_NAME
    systemctl restart mariadb
    systemctl restart php7.0-fpm
    systemctl restart nginx

    # daemon to update feeds
    { echo '[Unit]';
      echo 'Description=ttrss_backend';
      echo 'After=network.target mariadb.service';
      echo 'After=tor.service';
      echo '';
      echo '[Service]';
      echo 'User=www-data';
      echo "ExecStart=/usr/bin/php $RSS_READER_PATH/update.php --daemon";
      echo '';
      echo '[Install]';
      echo 'WantedBy=multi-user.target'; } > /etc/systemd/system/ttrss.service
    systemctl enable ttrss
    systemctl daemon-reload
    systemctl start ttrss

    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a rss -p "$RSS_READER_ADMIN_PASSWORD"

    install_completed rss_main
}

function install_rss_mobile_reader {
    if [ ! $RSS_READER_PATH ]; then
        RSS_READER_PATH=/etc/share/tt-rss
    fi

    if [ ! -d $RSS_READER_PATH ]; then
        echo $'tt-rss is not installed, so the mobile version cannot be installed'
        exit 63452
    fi

    RSS_MOBILE_READER_PATH=/etc/share/ttrss-mobile

    # remove any previous install
    if [ -d $RSS_READER_PATH/g2ttree-mobile ]; then
        if [[ $(is_completed "install_rss_mobile_reader") == "1" ]]; then
            sed -i '/install_rss_mobile_reader/d' "$COMPLETION_FILE"
            sed -i '/rss mobile reader commit/d' "$COMPLETION_FILE"
            rm -rf $RSS_READER_PATH/g2ttree-mobile
        fi
    fi

    if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
        return
    fi

    cd /etc/share || exit 7498264462

    if [ -d /repos/rss-mobile ]; then
        mkdir ttrss-mobile
        cp -r -p /repos/rss-mobile/. ttrss-mobile
        cd ttrss-mobile || exit 462846284682
        git pull
    else
        function_check git_clone
        git_clone $RSS_MOBILE_READER_REPO ttrss-mobile
    fi

    if [ ! -d $RSS_MOBILE_READER_PATH ]; then
        echo $'Could not clone RSS mobile reader repo'
        exit 24816
    fi
    cd "$RSS_MOBILE_READER_PATH" || exit 462846246824
    git checkout $RSS_MOBILE_READER_COMMIT -b $RSS_MOBILE_READER_COMMIT
    set_completion_param "rss mobile reader commit" "$RSS_MOBILE_READER_COMMIT"

    echo 'define({' > $RSS_MOBILE_READER_PATH/scripts/conf.js
    echo '  apiPath: "/tt-rss/"' >> $RSS_MOBILE_READER_PATH/scripts/conf.js
    echo '});' >> $RSS_MOBILE_READER_PATH/scripts/conf.js

    # link to the main site
    ln -s $RSS_READER_PATH $RSS_MOBILE_READER_PATH/tt-rss

    chown -R www-data:www-data $RSS_MOBILE_READER_PATH
    chown -R www-data:www-data $RSS_READER_PATH
    chmod a+x $RSS_MOBILE_READER_PATH
    install_completed rss_mobile_reader
}

function install_rss {
    install_rss_main
    install_rss_mobile_reader
    APP_INSTALLED=1
}

# NOTE: deliberately no exit 0