forked from nirea/collardata
/
updater.py
234 lines (210 loc) · 11.6 KB
/
updater.py
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#!/usr/bin/python
#Licensed under the GPLv2 (not later versions)
#see LICENSE.txt for details
import cgi
import os
import logging
import lindenip
import distributors
import wsgiref.handlers
import datetime
import tools
import string
from google.appengine.ext import webapp
from google.appengine.api import memcache
import yaml
from model import FreebieItem, Deliver
null_key = "00000000-0000-0000-0000-000000000000"
class Check(webapp.RequestHandler):
def get(self):
if lindenip.inrange(os.environ['REMOTE_ADDR']) != 'Production':
self.error(403)
elif self.request.headers['X-SecondLife-Shard'] != 'Production':
logging.warning("Attempt while on beta grid %s" % (self.request.headers['X-SecondLife-Shard']))
self.response.set_status(305)
else:
self.response.headers['Content-Type'] = 'text/plain'
#look for an item with the requested name
name = cgi.escape(self.request.get('object'))
version = cgi.escape(self.request.get('version'))
update = cgi.escape(self.request.get('update'))
#logging.info('%s checked %s version %s' % (self.request.headers['X-SecondLife-Owner-Name'], name, version))
item = tools.get_item(name, True)
if item is None:
self.response.out.write("NSO %s" % (name))
return
if item['baseprice'] > 0:
self.response.out.write("NSO %s" % (name))
logging.error('Rejecting request: Regquesting a paid item using the update check url by %s, vendor %s located in %s at %s. Item:%s' %
(self.request.headers['X-SecondLife-Owner-Name'],
self.request.headers['X-SecondLife-Object-Name'],
self.request.headers['X-SecondLife-Region'],
self.request.headers['X-SecondLife-Local-Position'],
name
))
return
logging.debug('baseprice:%s' % item['baseprice'])
thisversion = 0.0
try:
thisversion = float(version)
except ValueError:
avname = self.request.headers['X-SecondLife-Owner-Name']
logging.error('%s is using %s with bad version "%s" and will be sent an update' % (avname, name, version))
if thisversion < float(item['version']):
#get recipient key from http headers or request
rcpt = self.request.headers['X-SecondLife-Owner-Key']
#enqueue delivery, if queue does not already contain this delivery
name_version = "%s - %s" % (name, item['version'])
if update != "no":
if tools.enqueue_delivery(item['giver'], rcpt, name_version, self.request.host_url)==False:
self.error(403)
#queue = FreebieDelivery.gql("WHERE rcptkey = :1 AND itemname = :2", rcpt, name_version)
#if queue.count() == 0:
# delivery = FreebieDelivery(giverkey = item.freebie_giver, rcptkey = rcpt, itemname = name_version)
# delivery.put()
#in the future return null key instead of giver's key
self.response.out.write("%s|%s - %s" % (null_key, name, item['version']))
else:
self.response.out.write('current')
class UpdateItem(webapp.RequestHandler):
def get(self):
if lindenip.inrange(os.environ['REMOTE_ADDR']) != 'Production':
self.error(403)
elif self.request.headers['X-SecondLife-Shard'] != 'Production':
logging.warning("Attempt while on beta grid %s" % (self.request.headers['X-SecondLife-Shard']))
self.response.set_status(305)
elif not distributors.Contributor_authorized(self.request.headers['X-SecondLife-Owner-Key']):
logging.warning("Illegal attempt to update item from %s, box %s located in %s at %s" % (self.request.headers['X-SecondLife-Owner-Name'], self.request.headers['X-SecondLife-Object-Name'], self.request.headers['X-SecondLife-Region'], self.request.headers['X-SecondLife-Local-Position']))
self.error(403)
else:
self.response.headers['Content-Type'] = 'text/plain'
name = cgi.escape(self.request.get('object'))
version = cgi.escape(self.request.get('version'))
giverkey = self.request.headers['X-SecondLife-Object-Key']
avname = self.request.headers['X-SecondLife-Owner-Name']
location = '%s @ %s' % (self.request.headers['X-SecondLife-Region'], self.request.headers['X-SecondLife-Local-Position'])
timestring = datetime.datetime.utcnow()
url = cgi.escape(self.request.get('url', default_value='None'))
if url == 'None':
giverurl = []
else:
giverurl = [unicode(giverkey)]
deliv_box = Deliver.get_or_insert("Deliv:%s" % giverkey, timedate=0, url='None')
update_dist = False
if url != deliv_box.url:
update_dist = True
elif timestring - deliv_box.timedate > datetime.timedelta(0, 60):
update_dist = True
if update_dist:
deliv_box.url = url
deliv_box.timedate = timestring
deliv_box.owner = avname
deliv_box.location = location
deliv_box.put()
# If no version provided, set a default
version = version or 'NOVERSION'
#look for an existing item with that name
items = FreebieItem.gql("WHERE freebie_name = :1", name)
item = items.get()
if (item == None):
newitem = FreebieItem(freebie_name = name, freebie_version = version, freebie_giver = giverkey, givers = giverurl, freebie_owner = avname, freebie_timedate = timestring, freebie_location = location)
newitem.put()
item = newitem
# Version check removed because 3.7x and onwards does not include
# version numbers in object names. So this means that it's
# possible to downgrade and switch to delivering an older version. -Nan
# TODO: Instead of having items identified only by name and
# version, allow them to be identified by name and UUID. This will
# allow us to have unversioned items that are still delivered by
# multiple dist boxes, because we can tell if a box is out of sync
# by the item's UUID.
else:
item.givers = []
logging.info("Clearing box list for item %s" % name)
# will be 'NOVERSION' for 3.7x collars
item.freebie_version = version
item.freebie_giver = giverkey
if giverurl != []:
if giverkey in item.givers:
#item.givers[item.givers.index(giverkey)+1] = url
logging.info("Box in list")
else:
item.givers[:0] = giverurl
logging.info("Adding box")
elif giverkey in item.givers:
index = item.givers.index(giverkey)
item.givers[index:index] = []
logging.warning("Removing box")
item.freebie_owner = avname
item.freebie_timedate = timestring
item.freebie_location = location
item.put()
#update item in memcache
token = 'item_%s' % name
token2 = 'paid_item_%s' % name
data = yaml.safe_dump({
"name":name,
"version":item.freebie_version,
"giver":item.freebie_giver,
"givers":item.givers,
"designer_key":item.designer_key,
"designer_cut":item.designer_cut,
"baseprice":item.baseprice
})
if item.baseprice == 0:
memcache.set(token, data)
memcache.set(token2, data)
self.response.out.write('saved')
logging.info('saved item %s version %s by %s with urls %s' % (name, item.freebie_version, avname, item.givers))
class DeliveryQueue(webapp.RequestHandler):
def get(self):
if lindenip.inrange(os.environ['REMOTE_ADDR']) != 'Production':
self.error(403)
elif self.request.headers['X-SecondLife-Shard'] != 'Production':
logging.warning("Attempt while on beta grid %s" % (self.request.headers['X-SecondLife-Shard']))
self.response.set_status(305)
elif not distributors.Contributor_authorized(self.request.headers['X-SecondLife-Owner-Key']):
logging.warning("Illegal attempt to check for item from %s, box %s located in %s at %s" % (self.request.headers['X-SecondLife-Owner-Name'], self.request.headers['X-SecondLife-Object-Name'], self.request.headers['X-SecondLife-Region'], self.request.headers['X-SecondLife-Local-Position']))
self.error(403)
else:
# get the deliveries where giverkey = key provided (this way we can
# still have multiple givers)
giverkey = self.request.headers['X-SecondLife-Object-Key']
givername = self.request.headers['X-SecondLife-Object-Name']
# true or false. if true, then remove items from db on returning them
pop = cgi.escape(self.request.get('pop'))
avname = self.request.headers['X-SecondLife-Owner-Name']
logging.info('%s (%s) from %s checked' % (givername, giverkey, avname))
# to enable/disable the update routine fast, only need to update old records
if (False):
timestring = datetime.datetime.utcnow()
location = '%s @ %s' % (self.request.headers['X-SecondLife-Region'], self.request.headers['X-SecondLife-Local-Position'])
query = FreebieItem.gql("WHERE freebie_giver = :1", giverkey)
for record in query:
record.freebie_owner = avname
record.freebie_timedate = timestring
record.freebie_location = location
record.put()
logging.info('Updated %s from %s' % (record.freebie_name, avname))
#deliveries = FreebieDelivery.gql("WHERE giverkey = :1", giverkey)
token = "deliveries_%s" % giverkey
deliveries = memcache.get(token)
if deliveries is not None:
response = ""
#take the list of lists and format it
#write each out in form <objname>|receiverkey, one per line
out = '\n'.join(['|'.join(x) for x in deliveries])
self.response.out.write(out)
logging.info('%s got delivery string\n%s' % (givername, out))
memcache.delete(token)
else:
self.response.out.write('')
def main():
application = webapp.WSGIApplication([(r'/.*?/check',Check),
(r'/.*?/givercheckin',UpdateItem),
(r'/.*?/deliveryqueue',DeliveryQueue)
],
debug=True)
wsgiref.handlers.CGIHandler().run(application)
if __name__ == '__main__':
main()