Bob Mottram
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#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Searx engine application
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#
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# License
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# =======
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#
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# Copyright (C) 2014-2016 Bob Mottram <bob@freedombone.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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VARIANTS=''
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IN_DEFAULT_INSTALL=0
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SHOW_ON_ABOUT=1
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SEARX_REPO="https://github.com/asciimoo/searx"
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SEARX_COMMIT='fee556c9904637051a9ba874ba7e71cd9f10789f'
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SEARX_PATH=/etc
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SEARX_ONION_PORT=8094
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SEARX_ONION_HOSTNAME=
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SEARX_LOGIN_TEXT=$"Search engine login"
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SEARX_PASSWORD=
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searx_variables=(SEARX_REPO
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SEARX_COMMIT
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SEARX_PATH
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SEARX_LOGIN_TEXT
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MY_USERNAME
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SYSTEM_TYPE)
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function install_interactive_searx {
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echo -n ''
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APP_INSTALLED=1
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}
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function change_password_searx {
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echo -n ''
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}
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function reconfigure_searx {
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echo -n ''
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}
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function upgrade_searx {
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set_repo_commit $SEARX_PATH/searx "Search engine commit" "$SEARX_COMMIT" $SEARX_REPO
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if grep "Search engine key" $COMPLETION_FILE; then
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if [ -f ${SEARX_PATH}/searx/searx/settings.yml ]; then
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# note: this might change to a --tor option in a later version
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if ! grep 'socks5://127.0.0.1:9050' ${SEARX_PATH}/searx/searx/settings.yml; then
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echo 'outgoing: # communication with search engines' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' proxies:' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' http : socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' https: socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
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fi
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SEARX_SECRET_KEY=$(get_completion_param "searx key")
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sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings.yml
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if [ -f /var/lib/tor/hidden_service_searx/hostname ]; then
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SEARX_ONION_HOSTNAME=$(echo /var/lib/tor/hidden_service_searx/hostname)
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sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings.yml
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fi
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fi
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fi
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}
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function backup_local_searx {
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echo -n ''
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}
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function restore_local_searx {
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echo -n ''
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}
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function backup_remote_searx {
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echo -n ''
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}
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function restore_remote_searx {
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echo -n ''
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}
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function remove_searx {
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systemctl stop searx
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systemctl disable searx
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rm /etc/systemd/system/searx.service
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function_check remove_onion_service
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remove_onion_service searx ${SEARX_ONION_PORT}
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userdel -r searx
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nginx_dissite searx
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if [ -f /etc/nginx/sites-available/searx ]; then
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rm /etc/nginx/sites-available/searx
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fi
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if [ -d ${SEARX_PATH}/searx ]; then
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rm -rf ${SEARX_PATH}/searx
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fi
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remove_completion_param install_searx
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sed -i '/Search engine /d' $COMPLETION_FILE
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sed -i '/Search Engine /d' /home/$MY_USERNAME/README
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sed -i '/Search engine /d' /home/$MY_USERNAME/README
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sed -i '/search engine /d' /home/$MY_USERNAME/README
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}
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function install_searx {
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# Note: currently socks5 outgoing proxies to other search engines does not work
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if [ ! -d /etc/nginx ]; then
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echo $'Webserver is not installed'
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exit 62429
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fi
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apt-get -yq install python-pip libyaml-dev python-werkzeug python-babel python-lxml apache2-utils
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apt-get -yq install git build-essential libxslt-dev python-dev python-virtualenv python-pybabel zlib1g-dev uwsgi uwsgi-plugin-python libapache2-mod-uwsgi
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pip install --upgrade pip
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pip install certifi
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if [ ! "$?" = "0" ]; then
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echo $'Failed to install certifi'
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exit 737692
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fi
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pip install pyyaml
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if [ ! "$?" = "0" ]; then
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echo $'Failed to install pyyaml'
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exit 469242
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fi
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pip install flask --upgrade
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if [ ! "$?" = "0" ]; then
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echo $'Failed to install flask'
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exit 888575
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fi
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pip install flask_restless --upgrade
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if [ ! "$?" = "0" ]; then
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echo $'Failed to install flask_restless'
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exit 54835
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fi
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pip install flask_babel --upgrade
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if [ ! "$?" = "0" ]; then
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echo $'Failed to install flask_babel'
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exit 63738
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fi
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if [ ! -d $SEARX_PATH ]; then
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mkdir -p $SEARX_PATH
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fi
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# clone the repo
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cd $SEARX_PATH
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function_check git_clone
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git_clone $SEARX_REPO searx
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git checkout $SEARX_COMMIT -b $SEARX_COMMIT
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set_completion_param "searx commit" "$SEARX_COMMIT"
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# create an onion service
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SEARX_ONION_HOSTNAME=$(add_onion_service searx 80 ${SEARX_ONION_PORT})
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# an unprivileged user to run as
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useradd -d ${SEARX_PATH}/searx/ -s /bin/false searx
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adduser searx debian-tor
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# daemon
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echo '[Unit]' > /etc/systemd/system/searx.service
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echo 'Description=Searx (search engine)' >> /etc/systemd/system/searx.service
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echo 'After=syslog.target' >> /etc/systemd/system/searx.service
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echo 'After=network.target' >> /etc/systemd/system/searx.service
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echo '' >> /etc/systemd/system/searx.service
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echo '[Service]' >> /etc/systemd/system/searx.service
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echo 'Type=simple' >> /etc/systemd/system/searx.service
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echo 'User=searx' >> /etc/systemd/system/searx.service
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echo 'Group=searx' >> /etc/systemd/system/searx.service
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echo "WorkingDirectory=${SEARX_PATH}/searx" >> /etc/systemd/system/searx.service
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echo "ExecStart=/usr/bin/python ${SEARX_PATH}/searx/searx/webapp.py" >> /etc/systemd/system/searx.service
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echo 'Restart=always' >> /etc/systemd/system/searx.service
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echo 'Environment="USER=searx"' >> /etc/systemd/system/searx.service
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echo '' >> /etc/systemd/system/searx.service
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echo '[Install]' >> /etc/systemd/system/searx.service
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echo 'WantedBy=multi-user.target' >> /etc/systemd/system/searx.service
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# create a webserver file
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echo 'server {' > /etc/nginx/sites-available/searx
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echo " listen 127.0.0.1:${SEARX_ONION_PORT} default_server;" >> /etc/nginx/sites-available/searx
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echo " root ${SEARX_PATH}/searx;" >> /etc/nginx/sites-available/searx
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echo " server_name ${SEARX_ONION_HOSTNAME};" >> /etc/nginx/sites-available/searx
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echo ' access_log /dev/null;' >> /etc/nginx/sites-available/searx
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echo " error_log /var/log/searx_error.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/searx
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echo '' >> /etc/nginx/sites-available/searx
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function_check nginx_disable_sniffing
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nginx_disable_sniffing searx
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echo ' add_header Strict-Transport-Security max-age=0;' >> /etc/nginx/sites-available/searx
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echo '' >> /etc/nginx/sites-available/searx
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echo ' location / {' >> /etc/nginx/sites-available/searx
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function_check nginx_limits
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nginx_limits searx '1M'
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echo ' proxy_pass http://localhost:8888;' >> /etc/nginx/sites-available/searx
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echo ' proxy_set_header Host $host;' >> /etc/nginx/sites-available/searx
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echo ' proxy_set_header X-Real-IP $remote_addr;' >> /etc/nginx/sites-available/searx
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echo ' proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;' >> /etc/nginx/sites-available/searx
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echo ' proxy_set_header X-Remote-Port $remote_port;' >> /etc/nginx/sites-available/searx
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echo ' proxy_set_header X-Forwarded-Proto $scheme;' >> /etc/nginx/sites-available/searx
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echo ' proxy_redirect off;' >> /etc/nginx/sites-available/searx
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echo " auth_basic \"${SEARX_LOGIN_TEXT}\";" >> /etc/nginx/sites-available/searx
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echo ' auth_basic_user_file /etc/nginx/.htpasswd;' >> /etc/nginx/sites-available/searx
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echo ' }' >> /etc/nginx/sites-available/searx
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echo '' >> /etc/nginx/sites-available/searx
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echo ' fastcgi_buffers 64 4K;' >> /etc/nginx/sites-available/searx
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echo '' >> /etc/nginx/sites-available/searx
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echo ' error_page 403 /core/templates/403.php;' >> /etc/nginx/sites-available/searx
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echo ' error_page 404 /core/templates/404.php;' >> /etc/nginx/sites-available/searx
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echo '' >> /etc/nginx/sites-available/searx
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echo ' location = /robots.txt {' >> /etc/nginx/sites-available/searx
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echo ' allow all;' >> /etc/nginx/sites-available/searx
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echo ' log_not_found off;' >> /etc/nginx/sites-available/searx
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echo ' access_log /dev/null;' >> /etc/nginx/sites-available/searx
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echo ' }' >> /etc/nginx/sites-available/searx
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echo '}' >> /etc/nginx/sites-available/searx
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# replace the secret key
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if ! grep "searx key" $COMPLETION_FILE; then
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SEARX_SECRET_KEY="$(create_password 30)"
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fi
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set_completion_param "searx key" "${SEARX_SECRET_KEY}"
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sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings.yml
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sed -i "s|secret_key.*|secret_key : \"${SEARX_SECRET_KEY}\"|g" ${SEARX_PATH}/searx/searx/settings_robot.yml
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sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings.yml
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sed -i '0,/RE/s/base_url.*/base_url : \"http://${SEARX_ONION_HOSTNAME}\/' ${SEARX_PATH}/searx/searx/settings_robot.yml
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# note: this might change to a --tor option in a later version
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if ! grep 'socks5://127.0.0.1:9050' ${SEARX_PATH}/searx/searx/settings.yml; then
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echo 'outgoing: # communication with search engines' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' proxies:' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' http : socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
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echo ' https: socks5://127.0.0.1:9050' >> ${SEARX_PATH}/searx/searx/settings.yml
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fi
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chown -R searx:searx ${SEARX_PATH}/searx
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# enable the site
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nginx_ensite searx
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# restart the web server
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systemctl restart php5-fpm
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systemctl restart nginx
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# start the daemon
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systemctl enable searx.service
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systemctl daemon-reload
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systemctl start searx.service
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if ! grep -q "Your search engine password is" /home/$MY_USERNAME/README; then
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if [ ${#SEARX_PASSWORD} -lt 8 ]; then
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if [ -f $IMAGE_PASSWORD_FILE ]; then
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SEARX_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
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else
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SEARX_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
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fi
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fi
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echo "$SEARX_PASSWORD" | htpasswd -i -s -c /etc/nginx/.htpasswd $MY_USERNAME
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echo '' >> /home/$MY_USERNAME/README
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echo '' >> /home/$MY_USERNAME/README
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echo $'# Search Engine' >> /home/$MY_USERNAME/README
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echo $"Search engine onion domain: ${SEARX_ONION_HOSTNAME}" >> /home/$MY_USERNAME/README
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echo $"Your search engine password is: $SEARX_PASSWORD" >> /home/$MY_USERNAME/README
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chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
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chmod 600 /home/$MY_USERNAME/README
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fi
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APP_INSTALLED=1
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}
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# NOTE: deliberately no exit 0
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