src/backend/base.py

   1 #!/usr/bin/python
   2
   3 import configparser
   4 import io
   5 import location
   6 import ssl
   7 import tempfile
   8 import tornado.httpclient
   9
  10 from . import accounts
  11 from . import asterisk
  12 from . import blog
  13 from . import bugzilla
  14 from . import campaigns
  15 from . import database
  16 from . import fireinfo
  17 from . import httpclient
  18 from . import iuse
  19 from . import memcached
  20 from . import messages
  21 from . import mirrors
  22 from . import netboot
  23 from . import nopaste
  24 from . import ratelimit
  25 from . import releases
  26 from . import resolver
  27 from . import settings
  28 from . import talk
  29 from . import toots
  30 from . import util
  31 from . import wiki
  32 from . import zeiterfassung
  33 from .decorators import *
  34
  35 DEFAULT_CONFIG = io.StringIO("""
  36 [global]
  37 debug = false
  38
  39 data_dir      =
  40 static_dir    = %(data_dir)s/static
  41 templates_dir = %(data_dir)s/templates
  42 """)
  43
  44 class Backend(object):
  45         version = 0
  46
  47         def __init__(self, configfile, debug=False):
  48                 # Read configuration file.
  49                 self.config = self.read_config(configfile)
  50
  51                 # Enable debug logging if configured
  52                 self.debug = debug or self.config.getboolean("global", "debug")
  53
  54                 # Setup database.
  55                 self.setup_database()
  56
  57                 # Create HTTPClient
  58                 self.http_client = httpclient.HTTPClient(self)
  59
  60                 # Initialize settings first.
  61                 self.settings = settings.Settings(self)
  62                 self.memcache = memcached.Memcached(self)
  63
  64                 # Initialize backend modules.
  65                 self.accounts = accounts.Accounts(self)
  66                 self.asterisk = asterisk.Asterisk(self)
  67                 self.bugzilla = bugzilla.Bugzilla(self)
  68                 self.fireinfo = fireinfo.Fireinfo(self)
  69                 self.iuse = iuse.IUse(self)
  70                 self.mirrors = mirrors.Mirrors(self)
  71                 self.netboot = netboot.NetBoot(self)
  72                 self.nopaste = nopaste.Nopaste(self)
  73                 self.releases = releases.Releases(self)
  74                 self.talk = talk.Talk(self)
  75
  76                 self.blog = blog.Blog(self)
  77                 self.wiki = wiki.Wiki(self)
  78                 self.zeiterfassung = zeiterfassung.ZeiterfassungClient(self)
  79
  80         def read_config(self, configfile):
  81                 cp = configparser.ConfigParser()
  82
  83                 # Initialize configuration with some sensible defaults
  84                 cp.readfp(DEFAULT_CONFIG)
  85
  86                 # Parse file
  87                 cp.read(configfile)
  88
  89                 return cp
  90
  91         def setup_database(self):
  92                 """
  93                         Sets up the database connection.
  94                 """
  95                 credentials = {
  96                         "host"     : self.config.get("database", "server"),
  97                         "database" : self.config.get("database", "database"),
  98                         "user"     : self.config.get("database", "username"),
  99                         "password" : self.config.get("database", "password"),
 100                 }
 101
 102                 self.db = database.Connection(**credentials)
 103
 104         @lazy_property
 105         def ssl_context(self):
 106                 # Create SSL context
 107                 context = ssl.create_default_context()
 108
 109                 # Fetch client certificate
 110                 certificate = self.settings.get("client-certificate", None)
 111                 key         = self.settings.get("client-key", None)
 112
 113                 # Apply client certificate
 114                 if certificate and key:
 115                         with tempfile.NamedTemporaryFile(mode="w") as f_cert:
 116                                 f_cert.write(certificate)
 117                                 f_cert.flush()
 118
 119                                 with tempfile.NamedTemporaryFile(mode="w") as f_key:
 120                                         f_key.write(key)
 121                                         f_key.flush()
 122
 123                                         context.load_cert_chain(f_cert.name, f_key.name)
 124
 125                 return context
 126
 127         async def load_certificate(self, certfile, keyfile):
 128                 with self.db.transaction():
 129                         # Load certificate
 130                         with open(certfile) as f:
 131                                 self.settings.set("client-certificate", f.read())
 132
 133                         # Load key file
 134                         with open(keyfile) as f:
 135                                 self.settings.set("client-key", f.read())
 136
 137         async def run_task(self, task, *args, **kwargs):
 138                 tasks = {
 139                         "accounts:delete"     : self.accounts._delete,
 140                         "announce-blog-posts" : self.blog.announce,
 141                         "check-mirrors"       : self.mirrors.check_all,
 142                         "cleanup"             : self.cleanup,
 143                         "get-all-emails"      : self.accounts.get_all_emails,
 144                         "launch-campaigns"    : self.campaigns.launch_manually,
 145                         "load-certificate"    : self.load_certificate,
 146                         "run-campaigns"       : self.campaigns.run,
 147                         "scan-files"          : self.releases.scan_files,
 148                         "send-message"        : self.messages.send_cli,
 149                         "send-all-messages"   : self.messages.queue.send_all,
 150                         "test-ldap"           : self.accounts.test_ldap,
 151                         "toot"                : self.toots.toot,
 152                         "update-blog-feeds"   : self.blog.update_feeds,
 153                 }
 154
 155                 # Get the task from the list of all tasks
 156                 func = tasks.get(task, None)
 157                 if not func:
 158                         raise ValueError("Unknown task: %s" % task)
 159
 160                 # Run the task
 161                 r = await func(*args, **kwargs)
 162
 163                 # If any error code has been returned,
 164                 # we will end the program
 165                 if r:
 166                         raise SystemExit(r)
 167
 168         @lazy_property
 169         def campaigns(self):
 170                 return campaigns.Campaigns(self)
 171
 172         @lazy_property
 173         def groups(self):
 174                 return accounts.Groups(self)
 175
 176         @lazy_property
 177         def messages(self):
 178                 return messages.Messages(self)
 179
 180         @lazy_property
 181         def location(self):
 182                 return location.Database("/var/lib/location/database.db")
 183
 184         def get_country_name(self, country_code):
 185                 country = self.location.get_country(country_code)
 186
 187                 if country:
 188                         return country.name
 189
 190         @lazy_property
 191         def ratelimiter(self):
 192                 return ratelimit.RateLimiter(self)
 193
 194         @lazy_property
 195         def resolver(self):
 196                 return resolver.Resolver(tries=2, timeout=2, domains=[])
 197
 198         @lazy_property
 199         def toots(self):
 200                 return toots.Toots(self)
 201
 202         async def cleanup(self):
 203                 # Cleanup message queue
 204                 with self.db.transaction():
 205                         self.messages.queue.cleanup()
 206
 207                 # Cleanup in accounts
 208                 with self.db.transaction():
 209                         self.accounts.cleanup()