Revert "Deprecate searx"

This reverts commit e898de4e210ada648567bf58fdc956f2e75d8a91.

src/freedombone-app-searx

+#!/bin/bash
+#
+# .---.                  .              .
+# |                      |              |
+# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
+# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
+# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
+#
+#                    Freedom in the Cloud
+#
+# Searx engine application
+#
+# License
+# =======
+#
+# Copyright (C) 2014-2016 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=''
+
+IN_DEFAULT_INSTALL=0
+SHOW_ON_ABOUT=1
+
+SEARX_REPO="https://github.com/asciimoo/searx"
+SEARX_COMMIT='fee556c9904637051a9ba874ba7e71cd9f10789f'
+SEARX_PATH=/etc
+SEARX_ONION_PORT=8094
+SEARX_ONION_HOSTNAME=
+SEARX_LOGIN_TEXT=$"Search engine login"
+SEARX_PASSWORD=
+
+searx_variables=(SEARX_REPO
+                 SEARX_COMMIT
+                 SEARX_PATH
+                 SEARX_LOGIN_TEXT
+                 MY_USERNAME
+                 SYSTEM_TYPE)
+
+function install_interactive_searx {
+    echo -n ''
+    APP_INSTALLED=1
+}
+
+function change_password_searx {
+    echo -n ''
+}
+
+function reconfigure_searx {
+    echo -n ''
+}
+
+function upgrade_searx {
+    set_repo_commit $SEARX_PATH/searx "Search engine commit" "$SEARX_COMMIT" $SEARX_REPO
+    if grep "Search engine key" $COMPLETION_FILE; then
+        if [ -f ${SEARX_PATH}/searx/searx/settings.yml ]; then
+            # note: this might change to a --tor option in a later version
+            if ! grep 'socks5://127.0.0.1:9050' ${SEARX_PATH}/searx/searx/settings.yml; then
+                echo 'outgoing: # communication with search engines' >> ${SEARX_PATH}/searx/searx/settings.yml
+                echo '    proxies:' >> ${SEARX_PATH}/searx/searx/settings.yml
+                echo '        http : socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
+                echo '        https: socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
+            fi
+            SEARX_SECRET_KEY=$(get_completion_param "searx key")
+            sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings.yml
+            if [ -f /var/lib/tor/hidden_service_searx/hostname ]; then
+                SEARX_ONION_HOSTNAME=$(echo /var/lib/tor/hidden_service_searx/hostname)
+                sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings.yml
+            fi
+        fi
+    fi
+}
+
+function backup_local_searx {
+    echo -n ''
+}
+
+function restore_local_searx {
+    echo -n ''
+}
+
+function backup_remote_searx {
+    echo -n ''
+}
+
+function restore_remote_searx {
+    echo -n ''
+}
+
+function remove_searx {
+    systemctl stop searx
+    systemctl disable searx
+    rm /etc/systemd/system/searx.service
+    function_check remove_onion_service
+    remove_onion_service searx ${SEARX_ONION_PORT}
+    userdel -r searx
+    nginx_dissite searx
+    if [ -f /etc/nginx/sites-available/searx ]; then
+        rm /etc/nginx/sites-available/searx
+    fi
+    if [ -d ${SEARX_PATH}/searx ]; then
+        rm -rf ${SEARX_PATH}/searx
+    fi
+    remove_completion_param install_searx
+    sed -i '/Search engine /d' $COMPLETION_FILE
+    sed -i '/Search Engine /d' /home/$MY_USERNAME/README
+    sed -i '/Search engine /d' /home/$MY_USERNAME/README
+    sed -i '/search engine /d' /home/$MY_USERNAME/README
+}
+
+function install_searx {
+    # Note: currently socks5 outgoing proxies to other search engines does not work
+    if [ ! -d /etc/nginx ]; then
+        echo $'Webserver is not installed'
+        exit 62429
+    fi
+
+    apt-get -yq install python-pip libyaml-dev python-werkzeug python-babel python-lxml apache2-utils
+    apt-get -yq install git build-essential libxslt-dev python-dev python-virtualenv python-pybabel zlib1g-dev uwsgi uwsgi-plugin-python libapache2-mod-uwsgi
+
+    pip install --upgrade pip
+
+    pip install certifi
+    if [ ! "$?" = "0" ]; then
+        echo $'Failed to install certifi'
+        exit 737692
+    fi
+
+    pip install pyyaml
+    if [ ! "$?" = "0" ]; then
+        echo $'Failed to install pyyaml'
+        exit 469242
+    fi
+
+    pip install flask --upgrade
+    if [ ! "$?" = "0" ]; then
+        echo $'Failed to install flask'
+        exit 888575
+    fi
+
+    pip install flask_restless --upgrade
+    if [ ! "$?" = "0" ]; then
+        echo $'Failed to install flask_restless'
+        exit 54835
+    fi
+
+    pip install flask_babel --upgrade
+    if [ ! "$?" = "0" ]; then
+        echo $'Failed to install flask_babel'
+        exit 63738
+    fi
+
+    if [ ! -d $SEARX_PATH ]; then
+        mkdir -p $SEARX_PATH
+    fi
+
+    # clone the repo
+    cd $SEARX_PATH
+    function_check git_clone
+    git_clone $SEARX_REPO searx
+    git checkout $SEARX_COMMIT -b $SEARX_COMMIT
+    set_completion_param "searx commit" "$SEARX_COMMIT"
+
+    # create an onion service
+    SEARX_ONION_HOSTNAME=$(add_onion_service searx 80 ${SEARX_ONION_PORT})
+
+    # an unprivileged user to run as
+    useradd -d ${SEARX_PATH}/searx/ -s /bin/false searx
+    adduser searx debian-tor
+
+    # daemon
+    echo '[Unit]' > /etc/systemd/system/searx.service
+    echo 'Description=Searx (search engine)' >> /etc/systemd/system/searx.service
+    echo 'After=syslog.target' >> /etc/systemd/system/searx.service
+    echo 'After=network.target' >> /etc/systemd/system/searx.service
+    echo '' >> /etc/systemd/system/searx.service
+    echo '[Service]' >> /etc/systemd/system/searx.service
+    echo 'Type=simple' >> /etc/systemd/system/searx.service
+    echo 'User=searx' >> /etc/systemd/system/searx.service
+    echo 'Group=searx' >> /etc/systemd/system/searx.service
+    echo "WorkingDirectory=${SEARX_PATH}/searx" >> /etc/systemd/system/searx.service
+    echo "ExecStart=/usr/bin/python ${SEARX_PATH}/searx/searx/webapp.py" >> /etc/systemd/system/searx.service
+    echo 'Restart=always' >> /etc/systemd/system/searx.service
+    echo 'Environment="USER=searx"' >> /etc/systemd/system/searx.service
+    echo '' >> /etc/systemd/system/searx.service
+    echo '[Install]' >> /etc/systemd/system/searx.service
+    echo 'WantedBy=multi-user.target' >> /etc/systemd/system/searx.service
+
+    # create a webserver file
+    echo 'server {' > /etc/nginx/sites-available/searx
+    echo "    listen 127.0.0.1:${SEARX_ONION_PORT} default_server;" >> /etc/nginx/sites-available/searx
+    echo "    root ${SEARX_PATH}/searx;" >> /etc/nginx/sites-available/searx
+    echo "    server_name ${SEARX_ONION_HOSTNAME};" >> /etc/nginx/sites-available/searx
+    echo '    access_log /dev/null;' >> /etc/nginx/sites-available/searx
+    echo "    error_log /var/log/searx_error.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/searx
+    echo '' >> /etc/nginx/sites-available/searx
+    function_check nginx_disable_sniffing
+    nginx_disable_sniffing searx
+    echo '    add_header Strict-Transport-Security max-age=0;' >> /etc/nginx/sites-available/searx
+    echo '' >> /etc/nginx/sites-available/searx
+    echo '    location / {' >> /etc/nginx/sites-available/searx
+    function_check nginx_limits
+    nginx_limits searx '1M'
+    echo '        proxy_pass http://localhost:8888;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_set_header Host $host;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_set_header X-Real-IP $remote_addr;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_set_header X-Remote-Port $remote_port;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_set_header X-Forwarded-Proto $scheme;' >> /etc/nginx/sites-available/searx
+    echo '        proxy_redirect off;' >> /etc/nginx/sites-available/searx
+
+    echo "        auth_basic \"${SEARX_LOGIN_TEXT}\";" >> /etc/nginx/sites-available/searx
+    echo '        auth_basic_user_file /etc/nginx/.htpasswd;' >> /etc/nginx/sites-available/searx
+    echo '    }' >> /etc/nginx/sites-available/searx
+    echo '' >> /etc/nginx/sites-available/searx
+    echo '    fastcgi_buffers 64 4K;' >> /etc/nginx/sites-available/searx
+    echo '' >> /etc/nginx/sites-available/searx
+    echo '    error_page 403 /core/templates/403.php;' >> /etc/nginx/sites-available/searx
+    echo '    error_page 404 /core/templates/404.php;' >> /etc/nginx/sites-available/searx
+    echo '' >> /etc/nginx/sites-available/searx
+    echo '    location = /robots.txt {' >> /etc/nginx/sites-available/searx
+    echo '        allow all;' >> /etc/nginx/sites-available/searx
+    echo '        log_not_found off;' >> /etc/nginx/sites-available/searx
+    echo '        access_log /dev/null;' >> /etc/nginx/sites-available/searx
+    echo '    }' >> /etc/nginx/sites-available/searx
+    echo '}' >> /etc/nginx/sites-available/searx
+
+    # replace the secret key
+    if ! grep "searx key" $COMPLETION_FILE; then
+        SEARX_SECRET_KEY="$(create_password 30)"
+    fi
+    set_completion_param "searx key" "${SEARX_SECRET_KEY}"
+    sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings.yml
+    sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings_robot.yml
+    sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings.yml
+    sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings_robot.yml
+
+    # note: this might change to a --tor option in a later version
+    if ! grep 'socks5://127.0.0.1:9050' ${SEARX_PATH}/searx/searx/settings.yml; then
+        echo 'outgoing: # communication with search engines' >> ${SEARX_PATH}/searx/searx/settings.yml
+        echo '    proxies:' >> ${SEARX_PATH}/searx/searx/settings.yml
+        echo '        http : socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
+        echo '        https: socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
+    fi
+
+    chown -R searx:searx ${SEARX_PATH}/searx
+
+    # enable the site
+    nginx_ensite searx
+
+    # restart the web server
+    systemctl restart php5-fpm
+    systemctl restart nginx
+
+    # start the daemon
+    systemctl enable searx.service
+    systemctl daemon-reload
+    systemctl start searx.service
+
+    if ! grep -q "Your search engine password is" /home/$MY_USERNAME/README; then
+        if [ ${#SEARX_PASSWORD} -lt 8 ]; then
+            if [ -f $IMAGE_PASSWORD_FILE ]; then
+                SEARX_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
+            else
+                SEARX_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
+            fi
+        fi
+        echo "$SEARX_PASSWORD" | htpasswd -i -s -c /etc/nginx/.htpasswd $MY_USERNAME
+        echo '' >> /home/$MY_USERNAME/README
+        echo '' >> /home/$MY_USERNAME/README
+        echo $'# Search Engine' >> /home/$MY_USERNAME/README
+        echo $"Search engine onion domain: ${SEARX_ONION_HOSTNAME}" >> /home/$MY_USERNAME/README
+        echo $"Your search engine password is: $SEARX_PASSWORD" >> /home/$MY_USERNAME/README
+        chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
+        chmod 600 /home/$MY_USERNAME/README
+    fi
+    APP_INSTALLED=1
+}
+
+# NOTE: deliberately no exit 0