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https.py
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https.py
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#!/usr/bin/env python3
#
# Copyright (C) 2019 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
import sys
import os
import jinja2
import vyos.defaults
from vyos.config import Config
from vyos import ConfigError
config_file = '/etc/nginx/sites-available/default'
# Please be careful if you edit the template.
config_tmpl = """
### Autogenerated by http-api.py ###
# Default server configuration
#
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
return 302 https://$server_name$request_uri;
}
{% for addr, names in listen_addresses.items() %}
server {
# SSL configuration
#
{% if addr == '*' %}
listen 443 ssl default_server;
listen [::]:443 ssl default_server;
{% else %}
listen {{ addr }}:443 ssl;
{% endif %}
{% for name in names %}
server_name {{ name }};
{% endfor %}
{% if vyos_cert %}
include {{ vyos_cert.conf }};
{% else %}
#
# Self signed certs generated by the ssl-cert package
# Don't use them in a production server!
#
include snippets/snakeoil.conf;
{% endif %}
# proxy settings for HTTP API, if enabled; 503, if not
location ~ /(retrieve|configure|config-file|image) {
{% if api %}
proxy_pass http://localhost:{{ api.port }};
proxy_buffering off;
{% else %}
return 503;
{% endif %}
}
error_page 501 502 503 =200 @50*_json;
location @50*_json {
default_type application/json;
return 200 '{"error": "Start service in configuration mode: set service https api"}';
}
}
{% else %}
server {
# SSL configuration
#
listen 443 ssl default_server;
listen [::]:443 ssl default_server;
server_name _;
{% if vyos_cert %}
include {{ vyos_cert.conf }};
{% else %}
#
# Self signed certs generated by the ssl-cert package
# Don't use them in a production server!
#
include snippets/snakeoil.conf;
{% endif %}
# proxy settings for HTTP API, if enabled; 503, if not
location ~ /(retrieve|configure) {
{% if api %}
proxy_pass http://localhost:{{ api.port }};
proxy_buffering off;
{% else %}
return 503;
{% endif %}
}
error_page 501 502 503 =200 @50*_json;
location @50*_json {
default_type application/json;
return 200 '{"error": "Start service in configuration mode: set service https api"}';
}
}
{% endfor %}
"""
def get_config():
https = vyos.defaults.https_data
conf = Config()
if not conf.exists('service https'):
return None
else:
conf.set_level('service https')
if conf.exists('listen-address'):
addrs = {}
for addr in conf.list_nodes('listen-address'):
addrs[addr] = ['_']
if conf.exists('listen-address {0} server-name'.format(addr)):
names = conf.return_values('listen-address {0} server-name'.format(addr))
addrs[addr] = names[:]
https['listen_addresses'] = addrs
if conf.exists('certificates'):
if conf.exists('certificates system-generated-certificate'):
https['vyos_cert'] = vyos.defaults.vyos_cert_data
if conf.exists('api'):
https['api'] = vyos.defaults.api_data
if conf.exists('api port'):
port = conf.return_value('api port')
https['api']['port'] = port
return https
def verify(https):
return None
def generate(https):
if https is None:
return None
tmpl = jinja2.Template(config_tmpl, trim_blocks=True)
config_text = tmpl.render(https)
with open(config_file, 'w') as f:
f.write(config_text)
return None
def apply(https):
if https is not None:
os.system('sudo systemctl restart nginx.service')
else:
os.system('sudo systemctl stop nginx.service')
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
sys.exit(1)

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