sfa/importer/sfaimporter.py

   1 #
   2 # Public keys are extracted from the users' SSH keys automatically and used to
   3 # create GIDs. This is relatively experimental as a custom tool had to be
   4 # written to perform conversion from SSH to OpenSSL format. It only supports
   5 # RSA keys at this time, not DSA keys.
   6 ##
   7
   8 from sfa.util.xrn import get_authority, hrn_to_urn
   9 from sfa.util.plxrn import email_to_hrn
  10 from sfa.util.config import Config
  11 from sfa.trust.certificate import convert_public_key, Keypair
  12 from sfa.trust.trustedroots import TrustedRoots
  13 from sfa.trust.gid import create_uuid
  14 from sfa.storage.model import RegRecord, RegAuthority, RegUser
  15 from sfa.storage.alchemy import dbsession
  16
  17 def _un_unicode(str):
  18    if isinstance(str, unicode):
  19        return str.encode("ascii", "ignore")
  20    else:
  21        return str
  22
  23 def _cleanup_string(str):
  24     # pgsql has a fit with strings that have high ascii in them, so filter it
  25     # out when generating the hrns.
  26     tmp = ""
  27     for c in str:
  28         if ord(c) < 128:
  29             tmp = tmp + c
  30     str = tmp
  31
  32     str = _un_unicode(str)
  33     str = str.replace(" ", "_")
  34     str = str.replace(".", "_")
  35     str = str.replace("(", "_")
  36     str = str.replace("'", "_")
  37     str = str.replace(")", "_")
  38     str = str.replace('"', "_")
  39     return str
  40
  41 class SfaImporter:
  42
  43     def __init__(self, auth_hierarchy, logger):
  44        self.logger=logger
  45        self.auth_hierarchy = auth_hierarchy
  46        self.config = Config()
  47        self.TrustedRoots = TrustedRoots(Config.get_trustedroots_dir(self.config))
  48        self.root_auth = self.config.SFA_REGISTRY_ROOT_AUTH
  49
  50     # record options into an OptionParser
  51     def add_options (self, parser):
  52        # no generic option
  53        pass
  54
  55     def run (self, options):
  56        self.logger.info ("SfaImporter.run : no options used")
  57        self.create_top_level_records()
  58
  59     def create_top_level_records(self):
  60         """
  61         Create top level and interface records
  62         """
  63         # create root authority
  64         interface_hrn = self.config.SFA_INTERFACE_HRN
  65         self.create_top_level_auth_records(interface_hrn)
  66
  67         # create s user record for the slice manager
  68         self.create_sm_client_record()
  69
  70         # create interface records
  71         self.logger.info("SfaImporter: creating interface records")
  72 # xxx authority+ turning off the creation of authority+*
  73 # in fact his is required - used in SfaApi._getCredentialRaw
  74 # that tries to locate 'authority+sa'
  75         self.create_interface_records()
  76
  77         # add local root authority's cert  to trusted list
  78         self.logger.info("SfaImporter: adding " + interface_hrn + " to trusted list")
  79         authority = self.auth_hierarchy.get_auth_info(interface_hrn)
  80         self.TrustedRoots.add_gid(authority.get_gid_object())
  81
  82     def create_top_level_auth_records(self, hrn):
  83         """
  84         Create top level db records (includes root and sub authorities (local/remote)
  85         """
  86         # make sure parent exists
  87         parent_hrn = get_authority(hrn)
  88         if not parent_hrn:
  89             parent_hrn = hrn
  90         if not parent_hrn == hrn:
  91             self.create_top_level_auth_records(parent_hrn)
  92
  93         # ensure key and cert exists:
  94         self.auth_hierarchy.create_top_level_auth(hrn)
  95         # create the db record if it doesnt already exist
  96         auth_info = self.auth_hierarchy.get_auth_info(hrn)
  97         auth_record = RegAuthority(hrn=hrn, gid=auth_info.get_gid_object(),
  98                                    authority=get_authority(hrn))
  99         auth_record.just_created()
 100         dbsession.add (auth_record)
 101         dbsession.commit()
 102         self.logger.info("SfaImporter: imported authority (parent) %s " % auth_record)
 103
 104     def create_sm_client_record(self):
 105         """
 106         Create a user record for the Slicemanager service.
 107         """
 108         hrn = self.config.SFA_INTERFACE_HRN + '.slicemanager'
 109         urn = hrn_to_urn(hrn, 'user')
 110         if not self.auth_hierarchy.auth_exists(urn):
 111             self.logger.info("SfaImporter: creating Slice Manager user")
 112             self.auth_hierarchy.create_auth(urn)
 113
 114         auth_info = self.auth_hierarchy.get_auth_info(hrn)
 115         user_record = RegUser(hrn=hrn, gid=auth_info.get_gid_object(),
 116                               authority=get_authority(hrn))
 117         user_record.just_created()
 118         dbsession.add (user_record)
 119         dbsession.commit()
 120         self.logger.info("SfaImporter: importing user (slicemanager) %s " % user_record)
 121
 122     def create_interface_records(self):
 123         """
 124         Create a record for each SFA interface
 125         """
 126         # just create certs for all sfa interfaces even if they
 127         # aren't enabled
 128         hrn = self.config.SFA_INTERFACE_HRN
 129         auth_info = self.auth_hierarchy.get_auth_info(hrn)
 130         pkey = auth_info.get_pkey_object()
 131         for type in  [ 'authority+sa', 'authority+am', 'authority+sm', ]:
 132             urn = hrn_to_urn(hrn, type)
 133             gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey)
 134             # xxx this should probably use a RegAuthority, or a to-be-defined RegPeer object
 135             # but for now we have to preserve the authority+<> stuff
 136             interface_record = RegAuthority(type=type, hrn=hrn, gid=gid,
 137                                             authority=get_authority(hrn))
 138             interface_record.just_created()
 139             dbsession.add (interface_record)
 140             dbsession.commit()
 141             self.logger.info("SfaImporter: imported authority (%s) %s " % (type,interface_record))
 142
 143     def delete_record(self, hrn, type):
 144         # delete the record
 145         for rec in dbsession.query(RegRecord).filter_by(type=type,hrn=hrn):
 146            dbsession.delete(rec)
 147         dbsession.commit()