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freedombone/src/freedombone-app-searx

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Searx engine application
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# 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=''
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=
function reconfigure_searx {
echo -n ''
}
function upgrade_searx {
if ! grep -Fxq "install_searx" $COMPLETION_FILE; then
return
fi
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' >> ${SEARX_PATH}/searx/searx/settings.yml
fi
SEARX_SECRET_KEY=$(cat $COMPLETION_FILE | grep "Search engine key" | awk -F ':' '{print $2}')
sed -i "s|secret_key.*|secret_key : \"${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 {
if ! grep -Fxq "install_searx" $COMPLETION_FILE; then
return
fi
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
sed -i '/install_searx/d' $COMPLETION_FILE
sed -i '/Search engine /d' $COMPLETION_FILE
}
function install_searx {
# Note: currently socks5 outgoing proxies to other search engines does not work
if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
return
fi
if [ ! -d /etc/nginx ]; then
echo $'Webserver is not installed'
exit 62429
fi
if grep -Fxq "install_searx" $COMPLETION_FILE; then
return
fi
apt-get -y install python-pip libyaml-dev python-werkzeug python-babel python-lxml apache2-utils
apt-get -y install git build-essential libxslt-dev python-dev python-virtualenv python-pybabel zlib1g-dev uwsgi uwsgi-plugin-python libapache2-mod-uwsgi
pip install --upgrade pip
pip install certifi
if [ ! "$?" = "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
if ! grep -q "Search engine commit" $COMPLETION_FILE; then
echo "Search engine commit:$SEARX_COMMIT" >> $COMPLETION_FILE
else
sed -i "s/Search engine commit.*/Search engine commit:$SEARX_COMMIT/g" $COMPLETION_FILE
fi
# create an onion service
SEARX_ONION_HOSTNAME=$(add_onion_service searx 80 ${SEARX_ONION_PORT})
if ! grep "Search engine onion domain" $COMPLETION_FILE; then
echo "Search engine onion domain:${SEARX_ONION_HOSTNAME}" >> $COMPLETION_FILE
else
sed -i "s|Search engine onion domain.*|Search engine onion domain:${SEARX_ONION_HOSTNAME}|g" $COMPLETION_FILE
fi
# 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 off;' >> /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_limits
nginx_limits searx '1M'
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
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 off;' >> /etc/nginx/sites-available/searx
echo ' }' >> /etc/nginx/sites-available/searx
echo '}' >> /etc/nginx/sites-available/searx
# replace the secret key
if ! grep "Search engine key" $COMPLETION_FILE; then
SEARX_SECRET_KEY="$(create_password 30)"
echo "Search engine key:${SEARX_SECRET_KEY}" >> $COMPLETION_FILE
else
SEARX_SECRET_KEY=$(cat $COMPLETION_FILE | grep "Search engine key" | awk -F ':' '{print $2}')
fi
sed -i "s|secret_key.*|secret_key : \"${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 '=============' >> /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
echo 'install_searx' >> $COMPLETION_FILE
}
# NOTE: deliberately no exit 0
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