aprsd/aprsd/flask.py

150 lines
4.3 KiB
Python

import datetime
import json
import logging
from logging import NullHandler
from logging.handlers import RotatingFileHandler
import sys
import tracemalloc
import aprsd
from aprsd import client, messaging, plugin, stats, utils
import flask
import flask_classful
from flask_httpauth import HTTPBasicAuth
from werkzeug.security import check_password_hash, generate_password_hash
LOG = logging.getLogger("APRSD")
auth = HTTPBasicAuth()
users = None
# HTTPBasicAuth doesn't work on a class method.
# This has to be out here. Rely on the APRSDFlask
# class to initialize the users from the config
@auth.verify_password
def verify_password(username, password):
global users
if username in users and check_password_hash(users.get(username), password):
return username
class APRSDFlask(flask_classful.FlaskView):
config = None
def set_config(self, config):
global users
self.config = config
self.users = {}
for user in self.config["aprsd"]["web"]["users"]:
self.users[user] = generate_password_hash(
self.config["aprsd"]["web"]["users"][user],
)
users = self.users
@auth.login_required
def index(self):
stats = self._stats()
return flask.render_template("index.html", initial_stats=stats)
@auth.login_required
def messages(self):
track = messaging.MsgTrack()
msgs = []
for id in track:
LOG.info(track[id].dict())
msgs.append(track[id].dict())
return flask.render_template("messages.html", messages=json.dumps(msgs))
@auth.login_required
def plugins(self):
pm = plugin.PluginManager()
pm.reload_plugins()
return "reloaded"
@auth.login_required
def save(self):
"""Save the existing queue to disk."""
track = messaging.MsgTrack()
track.save()
return json.dumps({"messages": "saved"})
def _stats(self):
stats_obj = stats.APRSDStats()
track = messaging.MsgTrack()
now = datetime.datetime.now()
current, peak = tracemalloc.get_traced_memory()
cl = client.Client()
server_string = cl.client.server_string
result = {
"version": aprsd.__version__,
"aprsis_server": server_string,
"uptime": stats_obj.uptime,
"size_tracker": len(track),
"stats": stats_obj.stats(),
"time": now.strftime("%m-%d-%Y %H:%M:%S"),
"memory_current": current,
"memory_peak": peak,
}
return result
def stats(self):
return json.dumps(self._stats())
def setup_logging(config, flask_app, loglevel, quiet):
flask_log = logging.getLogger("werkzeug")
if not config["aprsd"]["web"].get("logging_enabled", False):
# disable web logging
flask_log.disabled = True
flask_app.logger.disabled = True
return
log_level = utils.LOG_LEVELS[loglevel]
LOG.setLevel(log_level)
log_format = config["aprsd"].get("logformat", utils.DEFAULT_LOG_FORMAT)
date_format = config["aprsd"].get("dateformat", utils.DEFAULT_DATE_FORMAT)
log_formatter = logging.Formatter(fmt=log_format, datefmt=date_format)
log_file = config["aprsd"].get("logfile", None)
if log_file:
fh = RotatingFileHandler(log_file, maxBytes=(10248576 * 5), backupCount=4)
else:
fh = NullHandler()
fh.setFormatter(log_formatter)
for handler in flask_app.logger.handlers:
handler.setFormatter(log_formatter)
print(handler)
flask_log.addHandler(fh)
if not quiet:
sh = logging.StreamHandler(sys.stdout)
sh.setFormatter(log_formatter)
flask_log.addHandler(sh)
def init_flask(config, loglevel, quiet):
flask_app = flask.Flask(
"aprsd",
static_url_path="",
static_folder="web/static",
template_folder="web/templates",
)
setup_logging(config, flask_app, loglevel, quiet)
server = APRSDFlask()
server.set_config(config)
flask_app.route("/", methods=["GET"])(server.index)
flask_app.route("/stats", methods=["GET"])(server.stats)
flask_app.route("/messages", methods=["GET"])(server.messages)
flask_app.route("/save", methods=["GET"])(server.save)
flask_app.route("/plugins", methods=["GET"])(server.plugins)
return flask_app