view web/templog.py @ 237:abc837a7e60f

gevent seems to work
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 May 2015 19:40:37 +0800
parents 88dfac30d065
children 509a1be16456
line wrap: on
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#!/usr/bin/env python2.7

import binascii
import json
import hmac
import zlib
from datetime import datetime, timedelta
import time
import urllib
import sys
import os
import traceback
import fcntl

import bottle
from bottle import route, request, response

import config
import log
import secure
import atomicfile

DATE_FORMAT = '%Y%m%d-%H.%M'
ZOOM_SCALE = 2.0

class TemplogBottle(bottle.Bottle):
    def run(*args, **argm):
        argm['server'] = 'gevent'
        super(TemplogBottle, self).run(*args, **argm)
        print "ran custom bottle"

bottle.default_app.push(TemplogBottle())

secure.setup_csrf()

@route('/update', method='post')
def update():
    js_enc = request.forms.data
    mac = request.forms.hmac

    if hmac.new(config.HMAC_KEY, js_enc).hexdigest() != mac:
        raise bottle.HTTPError(code = 403, output = "Bad key")

    js = zlib.decompress(binascii.a2b_base64(js_enc))

    params = json.loads(js)

    log.parse(params)

    return "OK"

@route('/graph.png')
def graph():
    length_minutes = int(request.query.length)
    end = datetime.strptime(request.query.end, DATE_FORMAT)
    start = end - timedelta(minutes=length_minutes)

    response.set_header('Content-Type', 'image/png')
    start_epoch = time.mktime(start.timetuple())
    return log.graph_png(start_epoch, length_minutes * 60)

@route('/set/update', method='post')
def set_update():
    post_json = json.loads(request.forms.data)

    csrf_blob = post_json['csrf_blob']

    if not secure.check_csrf_blob(csrf_blob):
        bottle.response.status = 403
        return "Bad csrf"

    ret = log.update_params(post_json['params'])
    if not ret is True:
        bottle.response.status = 403
        return ret
        
    return "Good"

@route('/set')
def set():
    allowed = ["false", "true"][secure.check_user_hash(config.ALLOWED_USERS)]
    response.set_header('Cache-Control', 'no-cache')
    return bottle.template('set', 
        inline_data = log.get_params(), 
        csrf_blob = secure.get_csrf_blob(),
        allowed = allowed)

@route('/')
def top():

    minutes = int(request.query.get('length', 26*60))

    if 'end' in request.query:
        end = datetime.strptime(request.query.end, DATE_FORMAT)
    else:
        end = datetime.now()

    if 'zoom' in request.query:
        orig_start = end - timedelta(minutes=minutes)
        orig_end = end
        xpos = int(request.query.x)
        xpos -= config.GRAPH_LEFT_MARGIN * config.ZOOM

        if xpos >= 0 and xpos < config.GRAPH_WIDTH * config.ZOOM:
            click_time = orig_start \
                + timedelta(minutes=(float(xpos) / (config.GRAPH_WIDTH * config.ZOOM)) * minutes)
            minutes = int(minutes / ZOOM_SCALE)

            end = click_time + timedelta(minutes=minutes/2)
        else:
            # zoom out
            minutes = int(minutes*ZOOM_SCALE)
            end += timedelta(minutes=minutes/2)

    if end > datetime.now():
        end = datetime.now()
        
    request.query.replace('length', minutes)
    request.query.replace('end', end.strftime(DATE_FORMAT))

    urlparams = urllib.urlencode(request.query)
    return bottle.template('top', urlparams=urlparams,
                    end = end.strftime(DATE_FORMAT),
                    length = minutes)

@route('/debug')
def debuglog():
    response.set_header('Content-Type', 'text/plain')
    return log.tail_debug_log()

@route('/env')
def env():
    response.set_header('Content-Type', 'text/plain')
    #return '\n'.join(traceback.format_stack())
    return '\n'.join(("%s %s" % k) for k in  request.environ.items())
    #return str(request.environ)
    #yield "\n"
    #var_lookup = environ['mod_ssl.var_lookup']
    #return var_lookup("SSL_SERVER_I_DN_O")

@bottle.get('/<filename:re:.*\.js>')
def javascripts(filename):
    response.set_header('Cache-Control', "public, max-age=1296000")
    return bottle.static_file(filename, root='static')

def main():
    #bottle.debug(True)
    #bottle.run(reloader=True)
    bottle.run(server='cgi', reloader=True)
    #bottle.run(port=9999, reloader=True)

if __name__ == '__main__':
    main()