mirror of
https://github.com/fcwu/docker-ubuntu-vnc-desktop
synced 2025-12-06 08:22:31 +01:00
123 lines
3.3 KiB
Python
123 lines
3.3 KiB
Python
from flask import (Flask,
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request,
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abort,
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)
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import os
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# Flask app
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app = Flask(__name__,
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static_folder='static', static_url_path='',
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instance_relative_config=True)
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CONFIG = os.environ.get('CONFIG') or 'config.Development'
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app.config.from_object('config.Default')
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app.config.from_object(CONFIG)
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# logging
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import logging
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from log.config import LoggingConfiguration
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LoggingConfiguration.set(
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logging.DEBUG if os.getenv('DEBUG') else logging.INFO,
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'lightop.log', name='Web')
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import json
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from functools import wraps
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import subprocess
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import time
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FIRST = True
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def exception_to_json(func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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try:
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result = func(*args, **kwargs)
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return result
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except (BadRequest,
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KeyError,
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ValueError,
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) as e:
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result = {'error': {'code': 400,
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'message': str(e)}}
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except PermissionDenied as e:
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result = {'error': {'code': 403,
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'message': ', '.join(e.args)}}
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except (NotImplementedError, RuntimeError, AttributeError) as e:
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result = {'error': {'code': 500,
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'message': ', '.join(e.args)}}
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return json.dumps(result)
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return wrapper
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class PermissionDenied(Exception):
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pass
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class BadRequest(Exception):
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pass
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HTML_INDEX = '''<html><head>
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<script type="text/javascript">
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var w = window,
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d = document,
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e = d.documentElement,
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g = d.getElementsByTagName('body')[0],
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x = w.innerWidth || e.clientWidth || g.clientWidth,
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y = w.innerHeight|| e.clientHeight|| g.clientHeight;
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window.location.href = "redirect.html?width=" + x + "&height=" + (parseInt(y));
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</script>
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<title>Page Redirection</title>
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</head><body></body></html>'''
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HTML_REDIRECT = '''<html><head>
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<script type="text/javascript">
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var port = window.location.port;
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if (!port)
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port = window.location.protocol[4] == 's' ? 443 : 80;
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window.location.href = "vnc.html?autoconnect=1&autoscale=0&quality=3";
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</script>
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<title>Page Redirection</title>
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</head><body></body></html>'''
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@app.route('/')
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def index():
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return HTML_INDEX
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@app.route('/redirect.html')
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def redirectme():
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global FIRST
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if not FIRST:
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return HTML_REDIRECT
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env = {'width': 1024, 'height': 768}
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if 'width' in request.args:
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env['width'] = request.args['width']
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if 'height' in request.args:
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env['height'] = request.args['height']
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# sed
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subprocess.check_call(r"sed -i 's#^command=/usr/bin/Xvfb.*$#command=/usr/bin/Xvfb :1 -screen 0 {width}x{height}x16#' /etc/supervisor/conf.d/supervisord.conf".format(**env),
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shell=True)
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# supervisorctrl reload
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subprocess.check_call(r"supervisorctl reload", shell=True)
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# check all running
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for i in xrange(20):
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output = subprocess.check_output(r"supervisorctl status | grep RUNNING | wc -l", shell=True)
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if output.strip() == "6":
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FIRST = False
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return HTML_REDIRECT
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time.sleep(2)
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abort(500, 'service is not ready, please restart container')
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if __name__ == '__main__':
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app.run(host=app.config['ADDRESS'], port=app.config['PORT'])
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