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mica.py
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mica.py
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#!/usr/bin/env python
# coding: utf-8
from pwd import getpwuid
from sys import path
from time import sleep
from threading import Thread, Lock, current_thread, Timer, local as threading_local
from datetime import datetime as datetime_datetime
import threading
from copy import deepcopy
from cStringIO import StringIO
from traceback import format_exc, print_stack
from os import path as os_path, getuid as os_getuid, urandom as os_urandom, remove as os_remove, makedirs as os_makedirs
from re import compile as re_compile, IGNORECASE as re_IGNORECASE, sub as re_sub
from shutil import rmtree as shutil_rmtree
from urllib2 import quote as urllib2_quote, Request as urllib2_Request, urlopen as urllib2_urlopen, URLError as urllib2_URLError, HTTPError as urllib2_HTTPError
from urllib import urlencode
from codecs import open as codecs_open
from uuid import uuid4 as uuid_uuid4
from hashlib import md5 as hashlib_md5
from json import loads as json_loads, dumps as json_dumps
from base64 import b64encode as base64_b64encode
from socket import timeout as socket_timeout
from string import ascii_lowercase as string_ascii_lowercase, ascii_uppercase as string_ascii_uppercase
from binascii import hexlify as binascii_hexlify
from sys import settrace as sys_settrace
from pyratemp import TemplateSyntaxError
import requests
import couch_adapter
import processors
from processors import *
from common import *
from serializable import *
from translator import *
from templates import *
from prebind import BOSHClient
uploads_enabled = True
dbtag = "MICA"
if not mobile :
import stripe
try :
from gcm import *
from gcm.gcm import GCMNotRegisteredException
except ImportError, e :
mdebug("Cannot find GCM. Will not be able to send android push notifications.")
from apns import APNs, Frame, Payload
from crypticle import *
from oauthlib.common import to_unicode
from oauthlib.oauth2.rfc6749.errors import MissingTokenError, InvalidGrantError, InvalidClientIdError
from requests_oauthlib import OAuth2Session
from requests_oauthlib.compliance_fixes import facebook_compliance_fix
from requests.exceptions import ConnectionError as requests_ConnectionError
try :
import PythonMagick
except ImportError, e :
# TODO: not using this boolean anywhere yet....
uploads_enabled = False
mdebug("Cannot find PythonMagick: uploads will be disabled on this server.")
mverbose("Initial imports complete")
cwd = re_compile(".*\/").search(os_path.realpath(__file__)).group(0)
import sys
if mobile :
sys.path = [cwd, cwd + "mica/", cwd + "urllib3/"] + sys.path
else :
sys.path = [cwd, cwd + "mica/"] + sys.path
#Non-python-core
from zope.interface import Interface, Attribute, implements
from twisted.python.components import registerAdapter
from twisted.web.wsgi import WSGIResource
from twisted.web.static import File
from twisted.web.resource import Resource
from twisted.web import proxy, server
from twisted.python import log, failure
from twisted.python.logfile import DailyLogFile
from twisted.internet.error import AlreadyCalled, CannotListenError
from twisted.internet import reactor, defer, main as tmain
import sys
reactor = sys.modules['twisted.internet.reactor']
from twisted.web.server import Session, Site
from webob import Request, Response, exc
'''
import httplib
import logging
httplib.HTTPConnection.debuglevel = 3
httplib.HTTPSConnection.debuglevel = 3
requests_log = logging.getLogger("requests.packages.urllib3")
requests_log.setLevel(DEBUG)
requests_log.propagate = False
'''
if not mobile :
try :
from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.converter import PDFPageAggregator
from pdfminer.layout import LAParams, LTPage, LTTextBox, LTText, LTContainer, LTTextLine, LTImage, LTRect, LTCurve
from pdfminer.pdfpage import PDFPage
except ImportError, e :
mdebug("Could not import pdfminer. Full translation will not work.")
pass
mverbose("Imports complete.")
pdf_punct = ",卜「,\,,\\,,【,\],\[,>,<,】,〈,@,；,&,*,\|,/,-,_,—,,,，,.,。,?,？,:,：,\:,\：,：,\：,\、,\“,\”,~,`,\",\',…,！,!,（,\(,）,\),口,」,了,丫,㊀,。,门,X,卩,乂,一,丁,田,口,匕,《,》,化,*,厂,主,竹,-,人,八,七,，,、,闩,加,。,』,〔,飞,『,才,廿,来,兀,〜,\.,已,I,幺,去,足,上,円,于,丄,又,…,〉".decode("utf-8")
for letter in (string_ascii_lowercase + string_ascii_uppercase) :
pdf_punct += letter.decode("utf-8")
pdf_expr = r"([" + pdf_punct + "][" + pdf_punct + "]|[\x00-\x7F][\x00-\x7F]|[\x00-\x7F][" + pdf_punct + "]|[" + pdf_punct + "][\x00-\x7F])"
mverbose("Punctuation complete.")
period_mapping = {"days" : "week", "weeks" : "month", "months" : "year", "years" : "decade", "decades" : "decade"}
period_story_mapping = {"week" : "%a", "month" : "%m/%d", "year" : "%b", "decade" : "%Y"}
period_view_mapping = {"days" : "%a %I:%M:%S %p", "weeks" : "%m/%d %I:%M:%S %p", "months" : "%m/%d %I:%M:%S %p", "years" : "%m/%d %I:%M:%S %p", "decades" : "%m/%d/%y %I:%M:%S %p"}
translated_periods = { "days" : _("days"), "day" : _("day"), "weeks" : _("weeks"),
"week" : _("week"), "months" : _("months"), "month" : _("month"),
"years" : _("year"), "year" : _("years"), "decade" : _("decades") }
def parse_lt_objs (lt_objs, page_number):
text_content = []
images = []
if lt_objs :
if isinstance(lt_objs, LTTextBox) or isinstance(lt_objs, LTText):
text_content.append(lt_objs.get_text().strip())
elif isinstance(lt_objs, LTImage):
images.append(lt_objs.stream.get_data())
elif isinstance(lt_objs, LTContainer):
for lt_obj in lt_objs:
sub_text, sub_images = parse_lt_objs(lt_obj, page_number)
text_content = text_content + sub_text
for image in sub_images :
images.append(image)
return (text_content, images)
def filter_lines(data2) :
new_page = []
for line in data2 :
if line == "" :
continue
for match in re_compile(r'[0-9]+ +[0-9, ]+', flags=re_IGNORECASE).findall(line) :
line = line.replace(match, match.replace(" ", ""))
temp_line = line.strip().decode("utf-8") if isinstance(line, str) else line.strip()
if len(temp_line) == 3 and temp_line[0] == "(" and temp_line[-1] == ")" :
matches = re_compile(u'\(.\)', flags=re_IGNORECASE).findall(temp_line)
if len(matches) == 1 :
continue
line = re_sub(r'( *82303.*$|[0-9][0-9][0-9][0-9][0-9]+ *)', '', line)
test_all = re_sub(r'([\x00-\x7F]| )+', '', line)
if test_all == "" :
continue
no_numbers = re_sub(r"([0-9]| )+", "", line)
if isinstance(no_numbers, str) :
no_numbers = no_numbers.decode("utf-8")
while len(re_compile(pdf_expr).findall(no_numbers)) :
no_numbers = re_sub(pdf_expr, '', no_numbers)
continue
if len(no_numbers) <= 1 :
continue
new_page.append(line)
return new_page
def itemhelp(pairs) :
story = pairs[1]
total_memorized = story["total_memorized"] if "total_memorized" in story else 0
total_unique = story["total_unique"] if "total_unique" in story else 0
pr = int((float(total_memorized) / float(total_unique)) * 100) if total_unique else 0
story["pr"] = str(pr)
return pr
mverbose("Setting up prefixes.")
#username = getpwuid(os_getuid())[0]
relative_prefix_suffix = "serve"
relative_prefix = "/" + relative_prefix_suffix
def prefix(uri) :
result = re_compile("[^/]*\:\/\/([^/]*)(\/(.*))*").search(uri)
address = result.group(1)
path = result.group(3)
if path is None :
path = ""
return (address, path)
class Params(object) :
def __init__(self, environ):
self.pid = "none"
self.http = Request(environ)
self.not_replicated = False
self.human = True if int(self.http.params.get("human", "1")) else False
self.messages = ""
self.action = self.http.path[1:] if len(self.http.path) > 0 else None
self.environ = environ
minfo("Request: " + self.http.url + " action: " + self.action)
self.api = False
if self.action is None or self.action == "":
self.action = "index"
if self.action == "api" :
operation = self.http.params.get("alien", False)
if not operation :
mwarn("Parameters initialization bad request")
raise exc.HTTPBadRequest("init: you did a bad thing")
self.api = True
self.action = operation
self.unparsed_uri = self.http.url
self.uri = self.http.path
self.active = None
if self.action == "index" :
self.mpath = self.uri + relative_prefix_suffix
self.bootstrappath = self.uri + relative_prefix_suffix + "/bootstrap"
else :
self.mpath = self.uri + "/.." + relative_prefix
self.bootstrappath = self.uri + "/.." + relative_prefix + "/bootstrap"
class MICA(object):
def __init__(self, db_adapter):
self.serial = Serializable(params["serialize_couch_on_mobile"])
self.general_processor = Processor(self, params, "general")
self.translation_client = Translator(params["trans_id"], params["trans_secret"], params["trans_scope"], params["trans_access_token_url"], test = params["test"])
self.mutex = Lock()
self.sessionmutex = Lock()
self.jobsmutex = Lock()
self.transmutex = Lock()
self.imemutex = Lock()
self.rollmutex = Lock()
self.pid = "none"
self.dbs = {}
self.userdb = False
self.db_adapter = db_adapter
if not mobile :
self.jabber_crypt = Crypticle(params["jabber_auth"])
if mobile :
self.cs = self.db_adapter(params["couch"])
else :
if params["admin_user"] and params["admin_pass"] :
self.cs = self.db_adapter(couch_adapter.credentials(params), params["admin_user"], params["admin_pass"], refresh = True)
self.userdb = self.cs["_users"]
self.first_request = {}
self.views_ready = {}
self.view_runs = [ #name , #startend key or regular keys
('accounts/all', True),
('memorized2/allcount', True),
('chats/all', True),
('stories/original', True),
('stories/pages', True),
('stories/allpages', True),
('stories/all', True),
('stories/translating', True),
('stories/upgrading', True),
('stories/alloriginal', True),
('memorized2/all', False),
('tonechanges/all', False),
('mergegroups/all', False),
('splits/all', False),
]
self.processors = {}
for tofrom, readable in processor_map.iteritems() :
if processor_map[tofrom] :
self.processors[tofrom] = getattr(processors, processor_map[tofrom])(self, params, tofrom)
try :
mverbose("Checking database access")
if mobile :
self.db = self.cs[params["local_database"]]
self.sessiondb = self.cs["sessiondb"]
self.filedb = self.cs["files"]
else :
if self.userdb :
self.db = self.userdb
self.view_check("mica_admin", "accounts")
if "mica_admin" not in self.cs :
self.make_account(self, "mica_admin", "password", "[email protected]", "mica", admin = True, dbname = "mica_admin")
if "file_admin" not in self.cs :
self.make_account(self, "files", "password", "[email protected]", "mica", admin = False, dbname = "files", extra_roles = ["nobody"])
self.verify_db(False, "mica_admin", username = "mica_admin")
self.verify_db(False, "files", username = "files")
self.sessiondb = self.dbs["mica_admin"]
self.filedb = self.dbs["files"]
else :
mwarn("Admin credentials ommitted. Skipping administration setup.")
if not mobile :
self.view_check("mica_admin", "conflicts")
self.view_check("files", "readonly")
self.view_check("files", "download")
self.view_check("mica_admin", "sessions")
if not mobile :
for name, lgp in self.processors.iteritems() :
for f in lgp.get_dictionaries() :
if not self.filedb.doc_exist(dbtag + ":filelisting_" + f) :
self.filedb[dbtag + ":filelisting_" + f] = {"foo" : "bar"}
mdebug("Checking if files exist............")
for name, lgp in self.processors.iteritems() :
for f in lgp.get_dictionaries() :
listing = self.filedb[dbtag + ":filelisting_" + f]
fname = params["scratch"] + f
if '_attachments' not in listing or f not in listing['_attachments'] or not self.serial.safe_execute(False, self.size_check, f) :
if os_path.isfile(fname) :
minfo("Opening dict file: " + f)
fh = open(fname, 'r')
minfo("Uploading " + f + " to file listing...")
self.filedb.put_attachment(dbtag + ":filelisting_", f, fh, new_doc = listing)
fh.close()
minfo("Uploaded.")
else :
minfo("Cannot Upload " + f + ", not generated yet.")
else :
mdebug("File " + f + " already exists.")
lgp.test_dictionaries(retest = True)
if not params["keepsession"] :
current_session_time = int(timest())
while True :
session_delete = []
for result in self.sessiondb.view('sessions/all') :
sid = result["key"][0]
if sid == "debug" :
continue
session = result["value"]
last_refresh = 0
if "last_refresh" in session :
last_refresh = int(float(session["last_refresh"]))
session_diff = (current_session_time - last_refresh)
if "last_refresh" not in session or session_diff >= params["timeout"] :
mdebug("SESSION EXPIRED: " + str(sid) + " last refresh: " + str(last_refresh) + " diff: " + str(session_diff) + " > " + str(params["timeout"]))
session_delete.append(sid)
if len(session_delete) > 0 :
for sid in session_delete :
del self.sessiondb[self.session(str(sid))]
mdebug("Deleted session: " + str(sid))
session_delete = []
continue
break
except TypeError, e :
out = "Account documents don't exist yet. Probably they are being replicated: " + str(e)
for line in format_exc().splitlines() :
mwarn(line)
except couch_adapter.ResourceNotFound, e :
mwarn("Account document @ " + self.acct('mica_admin') + " not found: " + str(e))
except Exception, e :
for line in format_exc().splitlines() :
merr(line)
mwarn("Database not available yet: " + str(e))
if mobile and params["serialize_couch_on_mobile"] :
mdebug("Launching runloop timer")
rt = Thread(target=self.runloop)
rt.daemon = True
rt.start()
if not mobile :
mverbose("Starting view runner thread")
vt = Thread(target=self.view_runner_sched)
vt.daemon = True
vt.start()
def tofrom(self, story) :
return story["source_language"] + "," + story["target_language"]
def authenticate(self, username, password, auth_url) :
mverbose("Authenticating to: " + str(auth_url))
username = username.lower()
lookup_username = username
if not password :
password = params["admin_pass"]
username = params["admin_user"].lower()
lookup_username_unquoted = myquote(str(lookup_username))
username_unquoted = myquote(str(username))
for attempt in range(0, 20) :
try :
if attempt > 0 :
mdebug("Authentication attempt #" + str(attempt))
if isinstance(username, unicode) :
username = username.encode("utf-8").decode("latin1")
if isinstance(password, unicode) :
password = password.encode("utf-8").decode("latin1")
r = requests.get(auth_url + "/_users/org.couchdb.user:" + lookup_username_unquoted, auth=(username, password), timeout = 20 if attempt == 0 else 10)
if r.status_code == 401 :
mwarn("Got 401. Will try again.")
return False, _("Invalid credentials. Please try again") + "."
if r.status_code in [200, 201] :
rr = r.text
mdebug("Authentication success with username: " + username + " : " + str(rr) + " type " + str(type(rr)))
return json_loads(rr), False
mwarn("Got " + str(r.status_code) + ". Will try again.")
except requests.exceptions.ConnectionError, e :
mwarn("HTTP error: " + username + " " + str(e))
error = "(HTTP code: " + str(e) + ")"
except Exception, e :
for line in format_exc().splitlines() :
mwarn(line)
mwarn("Unknown error: " + username + " " + str(e))
error = "(Unknown error: " + str(e) + ")"
sleep(1)
merr("Authentication failure")
return False, _("Your device either does not have adequate signal strength or your connection does not have adequate connectivity. While you do have a connection (3/4G or Wifi), we were not able to reach the server.")
def prime_db(self, req, specific_views = False) :
username = req.session.value["username"].lower()
self.new_job(req, self.view_runner, _("Priming database for you. Please wait."), username, True, args = [username, self.dbs[username]], kwargs = dict(specific_views = specific_views))
def verify_db(self, req, dbname, cookie = False, password = False, username = False, prime = True) :
if not username :
username = req.session.value["username"].lower()
if username not in self.dbs or not self.dbs[username] :
mverbose("Database not set. Requesting object.")
if mobile :
mverbose("Setting mobile db to prexisting object.")
self.dbs[username] = self.db
else :
address = req.session.value["address"] if (req and "address" in req.session.value) else couch_adapter.credentials(params)
# In the past, we were interacting with user databases using their
# own credentials, but due to CouchDB timeouts, we need a reliable
# way to refresh the cookie without setting our own timeout and
# without storing user passwords in memory. At the most, they
# should remain salted and unrecoverable in couchdb.
# Thus, we depend on the admin password to perform all those
# interactions, but javascript (via chat) still depeneds on
# directly communicating with couchdb. We are already doing it
# this way for oauth-based databases, so it's not a big deal.
cs = self.db_adapter(address, params["admin_user"], params["admin_pass"], cookie, refresh = True)
if password :
req.session.value["cookie"] = cs.get_cookie(address, username, password)
req.session.save()
self.dbs[username] = cs[dbname]
self.views_ready[username] = 0
mverbose("Installing view counter.")
if username not in self.views_ready :
self.views_ready[username] = 0
if req :
req.db = self.dbs[username]
#if prime :
# self.prime_db(req)
# sleep(1)
if self.dbs[username].doc_exist(self.acct(username)) :
user = self.dbs[username][self.acct(username)]
def session(self, sid) :
return dbtag + ":sessions:" + sid
def tokens(self) :
return dbtag + ":push_tokens"
def acct(self, name) :
return dbtag + ":accounts:" + name
def key_common(self, username) :
return dbtag + ":" + username
def story(self, req, key) :
return self.key_common(req.session.value['username']) + ":stories:" + key
# How many days since 1970 instead of seconds
def current_day(self) :
return (int(timest()) / (params["seconds_in_day"]))
def current_period(self, period_key, current_day = False):
return int(current_day if current_day else self.current_day()) / params["counts"][period_key]
def chat_name(self, period, index, peer, current_day, extra = "") :
return "chat;" + period + ";" + str(index) + ";" + peer + extra
def chat(self, req, period, index, peer, current_day, extra = "") :
return self.story(req, self.chat_name(period, index, peer, current_day, extra))
def chat_period_name(self, period_key, peer, current_day, extra = "") :
return self.chat_name(period_key, self.current_period(period_key, current_day), peer, extra)
def chat_period(self, req, period_key, peer, current_day, extra = "") :
return self.chat(req, period_key, self.current_period(period_key, current_day), peer, extra)
def index(self, req, key) :
return self.key_common(req.session.value['username']) + ":story_index:" + key
def merge(self, req, key) :
return self.key_common(req.session.value['username']) + ":mergegroups:" + key
def splits(self, req, key) :
return self.key_common(req.session.value['username']) + ":splits:" + key
def tones(self, req, key) :
return self.key_common(req.session.value['username']) + ":tonechanges:" + key
def memorized(self, req, key):
return self.key_common(req.session.value['username']) + ":memorized:" + key
def install_local_language(self, req, language = False) :
if language :
l = language
elif "language" in req.session.value :
l = req.session.value["language"]
else :
l = get_global_language()
catalogs.language = l.split("-")[0]
return l
def runloop(self) :
mdebug("Runloop running.")
sleep(5)
while True :
loop_result = self.serial.safe_execute(False, self.db.runloop)
if loop_result :
if loop_result == 1 :
self.serial.q.put("stop_now")
elif loop_result == 2 :
self.serial.q.put("start_now")
sleep(1)
self.db.detach_thread()
def account_exists(self, username) :
if self.userdb.doc_exist("org.couchdb.user:" + username) :
dbname = self.userdb["org.couchdb.user:" + username]["mica_database"]
if dbname in self.cs :
newdb = self.cs[dbname]
if newdb.doc_exist(self.acct(username)) :
return True
return False
# This make_account is restartable now. In case of lost connectivity in the
# middle of any of it, the rest can be created later.
def make_account(self, req, username, password, email, source, admin = False, dbname = False, language = "en", extra_roles = []) :
username = username.lower()
if not dbname :
new_uuid = str(uuid_uuid4())
dbname = "mica_" + new_uuid
if not self.userdb.doc_exist("org.couchdb.user:" + username) :
mverbose("Creating user in _user database...")
user_doc = { "name" : username,
"password" : password,
"roles": [] if admin else [username + "_master", "nobody"],
"type": "user",
"mica_database" : dbname,
"language" : language,
"learnlanguage" : "en",
"date" : timest(),
"email" : email,
"source" : source,
"quota" : -1 if admin else 300,
}
mverbose("Putting doc: " + str(user_doc))
self.userdb["org.couchdb.user:" + username] = user_doc
else :
dbname = self.userdb["org.couchdb.user:" + username]["mica_database"]
mverbose("Retrieving new database: " + dbname)
newdb = self.cs[dbname]
new_security = newdb.get_security()
if len(new_security) == 0 :
mverbose("Installing security on admin database.")
new_security = {"admins" :
{
"names" : ["mica_admin"],
"roles" : [username + "_master"] if admin else []
},
"members" :
{
"names" : ["mica_admin" if admin else "nobody", username],
"roles" : [username + "_master"] + extra_roles
}
}
newdb.set_security(new_security)
if not newdb.doc_exist(self.acct(username)) :
mverbose("Making initial account parameters.")
newdb[self.acct(username)] = {
'app_chars_per_line' : 70,
'web_chars_per_line' : 70,
'default_app_zoom' : 1.0,
'default_web_zoom' : 1.0,
"language" : language,
"learnlanguage" : "en",
"source" : source,
"email" : email,
"filters" : {'files' : [], 'stories' : [] },
"story_format" : story_format,
}
self.check_all_views(username)
@serial
def view_runner(self, username, db, specific_views = False) :
# This only primes views for logged-in users.
# Scaling the backgrounding for all users will need more thought.
# FIXME: If the session expires, the backgrounding continues. Should we
# leave it that way?
mdebug("Priming views for user: " + username)
self.views_ready[username] = 0
if specific_views :
runners = specific_views
else :
runners = deepcopy(self.view_runs)
for (name, startend) in runners :
if not db.doc_exist("_design/" + name.split("/")[0]) :
mdebug("View " + name + " does not yet exist. Loading...")
self.view_check(username, name.split("/")[0], recreate = True)
mdebug("Done.")
continue
mdebug("Priming view for user: " + username + " db " + name)
if startend :
for unused in db.view(name, startkey=["foo", "bar"], endkey=["foo", "bar", "baz"]) :
pass
else :
for unused in db.view(name, keys = ["foo"], username = "bar") :
pass
self.views_ready[username] += 1
'''
mdebug("Auditing stories")
for result in db.view("stories/all", startkey=[username], endkey=[username, {}]) :
tmp_story = result["value"]
tmp_storyname = tmp_story["name"]
story_view_original = 0
story_view_original_found = 0
story_view_pages = 0
story_view_pages_found = 0
stories = {}
for oresult in db.view('stories/original', startkey=[username, tmp_storyname], endkey=[username, tmp_storyname, {}]) :
story_view_original = oresult['value']
break
for presult in db.view('stories/pages', startkey=[username, tmp_storyname], endkey=[username, tmp_storyname, {}]) :
story_view_pages = presult['value']
if tmp_storyname not in stories :
stories[tmp_storyname] = []
break
for sresult in db.view('stories/allpages', startkey=[username, tmp_storyname], endkey=[username, tmp_storyname, {}]) :
page = int(sresult["key"][2])
if page not in stories[tmp_storyname] :
stories[tmp_storyname].append(page)
if "nb_pages" in tmp_story :
if tmp_story["nb_pages"] != story_view_pages :
mdebug("Story " + tmp_storyname + " says it has " + str(tmp_story["nb_pages"]) + " pages.")
mdebug("Story " + tmp_storyname + " actually has: " + str(story_view_original) + " originals and " + str(story_view_pages) + " pages.")
mdebug("Story " + tmp_storyname + " pages: " + str(stories[tmp_storyname]))
else :
mdebug("Story " + tmp_storyname + " says unknown pages.")
'''
return _("Database optimized.")
def view_runner_sched(self) :
mverbose("Execute the view runner one time to get started...")
for username, db in self.dbs.iteritems() :
self.view_runner(username, db)
while True :
mverbose("View runner complete. Waiting until next time...")
sleep(1800)
for username, db in self.dbs.iteritems() :
self.view_runner(username, db)
def get_filter_params(self, req) :
filterparams = {"name" : "download/mobile"}
filterparams["stories"] = ",".join(["none"] + (req.session.value["filters"]["stories"] if "filters" in req.session.value else []))
files = ["none"]
if "filters" in req.session.value :
for tofrom in req.session.value["filters"]["files"] :
gp = self.processors[tofrom]
for f in gp.get_dictionaries() :
files.append(f)
filterparams["files"] = ",".join(files)
return json_dumps(filterparams)
@serial
def run_render(self, req) :
if 'connected' not in req.session.value :
mdebug("New session. Setting connected to false.")
req.session.value["connected"] = False
# Can't be sure we've authenticated yet
# Don't save
# req.session.save()
if "language" not in req.session.value and "HTTP_ACCEPT_LANGUAGE" in req.environ:
req.session.value["language"] = req.environ['HTTP_ACCEPT_LANGUAGE'].split("-")[0].split(",")[0]
mdebug("Setting session language to browser language: " + req.session.value["language"])
req.session.save()
if not mobile and not params["couch_server"].count("localhost") and not params["couch_server"].count("dev") :
req.front_ads = True
try:
if self.connected(req) :
username = req.session.value["username"]
if username not in self.dbs :
if mobile :
# Couchbase mobile can do cookie authentication, we're just not using it yet....
# FIXME to use cookies for replication instead of saving the user's
# password in the session file
# This is OK for now since we're running on a phone....
mdebug("Trying to restart replication...")
if not self.db.filters(params["local_database"], self.get_filter_params(req)) :
merr("Refreshing main filter installation failed.")
elif not self.db.replicate(req.session.value["address"], username, req.session.value["password"], req.session.value["database"], params["local_database"]) :
merr("Refreshing session failed to restart main replication: Although you have authenticated successfully, we could not start replication successfully. Please try again")
req.session.value["port"] = self.db.listen(username, req.session.value["password"], params["local_port"])
req.session.save()
if not self.filedb.filters("files", self.get_filter_params(req)) :
merr("Refreshing files filter installation failed.")
elif not self.filedb.replicate(req.session.value["address"], "files", "password", "files", "files") :
merr("Refreshing session failed to restart file replication: Although you have authenticated successfully, we could not start replication successfully. Please try again")
try :
self.verify_db(req, req.session.value["database"], prime = False)
resp = self.render(req)
except couch_adapter.CommunicationError, e :
for line in format_exc().splitlines() :
mwarn(line)
merr("Must re-login: " + str(e))
self.clean_session(req, force = True)
# The user has completed logging out / signing out already - then this message appears.
req.messages = _("Disconnected from Read Alien")
resp = self.render_frontpage(req)
except couch_adapter.ResourceNotFound, e :
mwarn("Problem before warn_not_replicated:")
for line in format_exc().splitlines() :
mwarn(line)
resp = self.warn_not_replicated(req)
except exc.HTTPTemporaryRedirect, e :
raise e
except exc.HTTPUnauthorized, e :
raise e
except exc.HTTPBadRequest, e :
raise e
except TemplateSyntaxError, e :
merr(_("Exception") + ":")
resp = "<h4>" + _("Exception") + ":</h4>"
for line in format_exc().splitlines() :
resp += "<br>" + line
merr(line)
resp += "<br/><h2>" + _("(template) Please report the above exception to the author. Thank you") + ".</h2>"
except Exception, msg:
merr(_("Exception") + ":")
resp = "<h4>" + _("Exception") + ":</h4>"
for line in format_exc().splitlines() :
resp += "<br>" + line
merr(line)
resp += "<br/><h2>" + _("(unknown) Please report the above exception to the author. Thank you") + ".</h2>"
if ((not isinstance(msg, str) and not isinstance(msg, unicode)) or (not msg.count("SAXParseException") and not msg.count("MissingRenderMethod" and not resp.count("TemplateSyntaxError")))) and self.connected(req) :
mwarn("Boo other, logging out user now.")
self.clean_session(req, force = True)
else :
if req.api and req.action not in (([] if mobile else params["oauth"].keys()) + ["connect", "disconnect"]):
raise exc.HTTPUnauthorized("you're not logged in anymore.")
if req.action in ["connect", "disconnect", "survey", "privacy", "help", "switchlang", "online", "instant", "auth", "push", "stories" ] + ([] if mobile else params["oauth"].keys() ):
self.install_local_language(req)
resp = self.render(req)
else :
resp = self.render_frontpage(req)
except exc.HTTPTemporaryRedirect, e :
resp = e
resp.location = req.dest + resp.location
except exc.HTTPUnauthorized, e:
resp = e
except exc.HTTPException, e:
resp = e
except couch_adapter.ResourceNotFound, e :
mwarn("Problem before warn_not_replicated:")
for line in format_exc().splitlines() :
mwarn(line)
resp = self.warn_not_replicated(req)
except couch_adapter.CommunicationError, e :
for line in format_exc().splitlines() :
merr(line)
if self.connected(req) :
mwarn("Not a well-caught exception. Setting connected to false.")
req.session.value["connected"] = False
req.session.save(force = True)
raise exc.HTTPUnauthorized("<h2>" + _("Lost connectivity to the database. Please come back later.") + "</h2>")
except Exception, e :
# This 'exception' appears when there is a bug in the software and the software is not functioning normally. A report of the details of the bug follow after the word "Exception"
aout = ""
resp = "<h4>" + _("Exception") + ":</h4>"
aout += "Exception\n"
for line in format_exc().splitlines() :
resp += "<br>" + line
aout += line + "\n"
resp += "<h2>" + _("(outer unknown) Please report the exception above to the author. Thank you.") + "</h2>"
merr(aout)
if self.connected(req) :
mwarn("Not a well-caught exception. Setting connected to false.")
req.session.value["connected"] = False
req.session.save(force = True)
return resp
def expired(self, uid, session):
mdebug("Session " + uid + " has expired.")
if params["keepsession"] :
mdebug("Need to keep the session")
return
if uid == "debug" :
mdebug("Not expiring debug session.")
return
unused, slock = session.uidcheck(uid)
slock.acquire()
skey = self.session(uid)
try :
if self.serial.safe_execute(False, self.sessiondb.doc_exist, skey) :
value = self.serial.safe_execute(False, self.sessiondb.__getitem__, skey)
if "username" in value :
self.clean_dbs(value["username"])
self.serial.safe_execute(False, self.sessiondb.__delitem__, skey)
mdebug("Deleted session.")
else :
mdebug("Not deleting session.")
except Exception, e :
for line in format_exc().splitlines() :
merr(line)
self.sessionmutex.acquire()
del sessions[uid]
self.sessionmutex.release()
slock.release()
def __call__(self, environ, start_response):
try :
# Hack to make WebOb work with Twisted
setattr(environ['wsgi.input'], "readline", environ['wsgi.input']._wrapped.readline)
req = Params(environ)
req.s = start_response.im_self.request.s
req.s.mica = self
req.mica = self
req.session = IDict(req.s)
req.source = environ["REMOTE_ADDR"]
req.db = False
req.dest = ""
req.front_ads = False
req.couch_cookie = False
if start_response.im_self.request.s.uid not in sessions :
self.sessionmutex.acquire()
sessions[start_response.im_self.request.s.uid] = Lock()
self.sessionmutex.release()
start_response.im_self.request.s.notifyOnExpire(lambda: self.expired(start_response.im_self.request.s.uid, req.session))
if req.action not in ["push", "auth", "disconnect"] and not mobile :
self.populate_oauth_state(req)
resp = self.run_render(req)
except couch_adapter.CommunicationError, e :
err = exc.HTTPUnauthorized("<h2>" + _("Lost connectivity to the database. Please come back later.") + "</h2>")
req.messages = err.detail
resp = Response(self.render_frontpage(req), status_code = err.code, status = err.code)
except exc.HTTPUnauthorized, e :
req.messages = e.detail
resp = Response(self.render_frontpage(req), status_code = e.code, status = e.code)
except exc.HTTPBadRequest, e :
req.messages = e.detail
resp = Response(self.render_frontpage(req), status_code = e.code, status = e.code)
except Exception, e :
merr("BAD Read Alien ********\nException:")
for line in format_exc().splitlines() :
merr(line)
r = None
try :
if isinstance(resp, str) or isinstance(resp, unicode):
if isinstance(resp, str) :
resp = resp.decode("utf-8")
webob_response = Response(resp)
if not mobile and 'cookie' in req.session.value :
cook = req.session.value["cookie"].split("=")[1]
webob_response.set_cookie("AuthSession", cook, max_age=params["timeout"])
r = webob_response(environ, start_response)
else :
r = resp(environ, start_response)
except Exception, e :
merr("RESPONSE Read Alien ********\nException:\n")
for line in format_exc().splitlines() :
merr(line)
return r
def template(self, template_prefix) :
contents_fh = open(cwd + relative_prefix + "/" + template_prefix + "_template.html", "r")
contents = contents_fh.read()
contents_fh.close()
return contents
def api(self, req, desc = "", json = False, error = False) :
cookie = req.db.gimme_cookie() if (not mobile and req.db) else False
if cookie :
req.session.value["cookie"] = cookie
req.session.save()
if not json :
json = {}
json["replicated"] = not req.not_replicated
if req.human :
return str(json["desc"]) if "desc" in json else desc
else :
if "desc" not in json :
json["desc"] = desc
if "success" not in json :
json["success"] = True if not error else False
if json["success"] and req.not_replicated :