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