Jan Dittberner
bf7992a600
- add logs to svn:ignore - use psycopg2 in backend git-svn-id: file:///home/www/usr01/svn/gnuviechadmin/gnuviech.info/gnuviechadmin/trunk@198 a67ec6bc-e5d5-0310-a910-815c51eb3124
62 lines
2 KiB
Python
62 lines
2 KiB
Python
#
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# Service facade for gnuviech-admin tool backend
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# (c) 2006 Jan Dittberner <jan@dittberner.info>
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# $Id$
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#
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from SessionManager import *
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from DomainManager import *
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import Settings
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import psycopg2
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class ServiceFacade:
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"""
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This class implements the facade to the services provided by the
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gnuviech admin backend.
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"""
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def __init__(self):
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connstr = 'host=%(dbhost)s user=%(dbuser)s ' + \
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'password=%(dbpassword)s dbname=%(dbname)s'
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dbconn = psycopg2.connect(connstr % Settings.DBSETTINGS)
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self.sessionManager = SessionManager(dbconn)
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self.domainManager = DomainManager(dbconn)
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def _dispatch(self, method, params):
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try:
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func = getattr(self, method)
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except AttributeError:
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raise Exception('method "%s" is not supported' % method)
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else:
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if method != 'login' and method != 'logout':
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sessionid = params[0]
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try:
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session = self.sessionManager.getSession(sessionid)
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except InvalidSessionError:
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return ""
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nparams = [session]
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for item in params[1:]:
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nparams.append(item)
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params = nparams
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self.sessionManager.updateSession(sessionid)
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return func(*params)
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def login(self, login, password):
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"""
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Logs in the user specified by the given login and password.
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The method creates a session and returns the session id which
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has to be sent back by subsequent requests. If the login is
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invalid the returned id is 0
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"""
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try:
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return self.sessionManager.newSession(login, password)
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except InvalidLoginError, ile:
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return 0
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def logout(self, sessionid):
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self.sessionManager.deleteSession(sessionid)
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return 0
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def listdomains(self, session):
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"""
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Lists the domains the given session may see.
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"""
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return self.domainManager.listDomains(session)
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