h1. Searx

https://github.com/asciimoo/searx
https://asciimoo.github.io/searx/

Installation: https://asciimoo.github.io/searx/dev/install/installation.html

a2enmod remoteip

/etc/apache2/conf-available/remoteip.conf

RemoteIPHeader X-Forwarded-For
RemoteIPTrustedProxy 127.0.0.1 ::1

a2enconf remoteip
service apache2 reload

/etc/apache2/sites-available/searx.aquilenet.fr

ServerName searx.aquilenet.fr
DocumentRoot /srv/www/aquilenet.fr/searx
/srv/www/aquilenet.fr/searx>

RewriteEngine On¶

RewriteCond %{HTTPS} !=on¶

RewriteRule ^/?(.*) https://pad.aquilenet.fr/$1 [R,L]¶

    Redirect permanent / https://searx.aquilenet.fr/
    Require all granted
    </Directory>
    Alias /.well-known/acme-challenge /srv/letsencrypt/challenges/searx.aquilenet.fr
    <Directory /srv/letsencrypt/challenges/searx.aquilenet.fr>
        Require all granted
    </Directory>

DocumentRoot /srv/www/aquilenet.fr/searx
ServerName searx.aquilenet.fr
AllowEncodedSlashes On

    SSLEngine on
    SSLCompression off
    SSLCipherSuite "HIGH:!aNULL:!MD5:!3DES:!CAMELLIA:!AES128"
    SSLHonorCipherOrder on
    SSLProtocol TLSv1.2
    #SSLCertificateFile /etc/letsencrypt/live/searx.aquilenet.fr/fullchain.pem
    #SSLCertificateKeyFile /etc/letsencrypt/live/searx.aquilenet.fr/privkey.pem
    SSLCertificateFile /srv/letsencrypt/pem/searx.aquilenet.fr.pem
    SSLCertificateKeyFile /srv/letsencrypt/private/searx.aquilenet.fr.key

SSLOpenSSLConfCmd DHParameters "/etc/ssl/private/dhparams_4096.pem"¶

    ErrorLog /var/log/apache2/searx.aqln.error.log
    LogLevel warn
    CustomLog /var/log/apache2/searx.aqln.access.log combined

    <FilesMatch \.xml$>
    SetEnv no-gzip 1
    </FilesMatch>

    <Proxy http://127.0.0.1:4004/*>
    Allow from all
    </Proxy>

    <Location />
    Options FollowSymlinks Indexes
    ProxyPass http://127.0.0.1:4004/
    ProxyPassReverse http://127.0.0.1:4004/
    SetHandler uwsgi-handler
    uWSGISocket /run/uwsgi/app/searx/socket

    </location>
    <Location /.well-known>
    SetHandler none
    </location>

    <Directory />
    Options FollowSymLinks
    AllowOverride None
    Require all granted
    </Directory>

    Alias /.well-known/acme-challenge /srv/letsencrypt/challenges/searx.aquilenet.fr
    <Directory /srv/letsencrypt/challenges/searx.aquilenet.fr>
        Require all granted
    </Directory>

/etc/uwsgi/apps-available/searx.ini

[uwsgi]

Quel est l'utilisateur qui fera tourner le code¶

uid = searx
gid = searx

No log + la vie privée = <3¶

disable-logging = true

Nombre de workers (habituellement, on met le nombre de processeurs de la machine)¶

workers = 4

Quels sont les droits sur le socket créé¶

chmod-socket = 666

Plugin à utiliser et configuration de l'interpréteur¶

single-interpreter = true
master = true
plugin = python

Module à importer¶

module = searx.webapp

#base = /srv/www/aquilenet.fr/searx

Chemin du virtualenv¶

virtualenv = /srv/www/aquilenet.fr/searx/searx-ve/
pythonpath = /srv/www/aquilenet.fr/searx/searx/
#chdir = /srv/www/aquilenet.fr/searx/searx/

#callable = app

Socket¶

#socket = /run/uwsgi/app/searx/socket

#add-header = Content-Security-Policy: default-src 'self'
#add-header = X-Content-Security-Policy: default-src 'self'
#add-header = X-WebKit-CSP: default-src 'self'
#add-header = X-Content-Type-Options: nosniff
#add-header = X-XSS-Protection: 1; mode=block
#add-header = X-Frame-Options: DENY
#add-header = Strict-Transport-Security: max-age=631138519; includeSubDomains

#filtron
http = 127.0.0.1:8888

h2. Anti bot
Pour éviter de se faire pourrir par les bots: https://asciimoo.github.io/searx/admin/filtron.html

cat /srv/www/aquilenet.fr/searx/gocode/filtron/rules.json
[
{
"name": "search request",
"filters": ["Param:q", "Path=^/|/search$"],
"interval": 60,
"limit": 10,
"actions": [{"name": "log"}],
"subrules": [
{
"name": "roboagent limit",
"interval": 60,
"limit": 10,
"filters": ["Header:User-Agent=(curl|cURL|Wget|python-requests|Scrapy|FeedFetcher|Go-http-client)"],
"actions": [
{"name": "block",
"params": {"message": "Rate limit exceeded"}}
]
},
{
"name": "botlimit",
"limit": 0,
"stop": true,
"filters": ["Header:User-Agent=(Googlebot|bingbot|Baiduspider|yacybot|YandexMobileBot|YandexBot|Yahoo! Slurp|MJ12bot|AhrefsBot|archive.org_bot|msnbot|MJ12bot|SeznamBot|linkdexbot|Netvibes|SMTBot|zgrab|James BOT)"],
"actions": [
{"name": "block",
"params": {"message": "Rate limit exceeded"}}
]
},
{
"name": "IP limit",
"interval": 60,
"limit": 10,
"stop": true,
"aggregations": ["Header:X-Forwarded-For"],
"actions": [
{"name": "block",
"params": {"message": "Rate limit exceeded"}}
]
},
{
"name": "rss/json limit",
"interval": 60,
"limit": 10,
"stop": true,
"filters": ["Param:format=(csv|json|rss)"],
"actions": [
{"name": "block",
"params": {"message": "Rate limit exceeded"}}
]
},
{
"name": "useragent limit",
"interval": 60,
"limit": 10,
"aggregations": ["Header:User-Agent"],
"actions": [
{"name": "block",
"params": {"message": "Rate limit exceeded"}}
]
}
]
}
]

creation d'un beuk-systemd service filtron

/etc/systemd/system/filtron.service
[Unit]
Description=Filtron anti flood for searx Daemon
After=network-online.target

[Service]
Type=simple

User=searx
Group=searx
UMask=007

ExecStart=/srv/www/aquilenet.fr/searx/gocode/filtron/bin/filtron -rules /srv/www/aquilenet.fr/searx/gocode/filtron/rules.json

Restart=on-failure

Configures the time to wait before service is stopped forcefully.¶

TimeoutStopSec=300

[Install]
WantedBy=multi-user.target

Un peu de cli systemd:

systemctl daemon-reload
systemctl enable filtron.service
systemctl start filtron
systemctl status filtron