# Twisted, the Framework of Your Internet
# Copyright (C) 2001-2003 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

"""
Test cases for twisted.protocols.msn
"""

# Twisted imports
from twisted.protocols import msn, loopback
from twisted.internet.defer import Deferred
from twisted.trial import unittest

# System imports
import StringIO, sys

def printError(f):
    print f

class StringIOWithoutClosing(StringIO.StringIO):
    disconnecting = 0
    def close(self): pass
    def loseConnection(self): pass

class PassportTests(unittest.TestCase):

    def setUp(self):
        self.result = []
        self.deferred = Deferred()
        self.deferred.addCallback(lambda r: self.result.append(r))
        self.deferred.addErrback(printError)

    def testNexus(self):
        protocol = msn.PassportNexus(self.deferred, 'https://foobar.com/somepage.quux')
        headers = {
            'Content-Length' : '0',
            'Content-Type'   : 'text/html',
            'PassportURLs'   : 'DARealm=Passport.Net,DALogin=login.myserver.com/,DAReg=reg.myserver.com'
        }
        transport = StringIOWithoutClosing()
        protocol.makeConnection(transport)
        protocol.dataReceived('HTTP/1.0 200 OK\r\n')
        for (h,v) in headers.items(): protocol.dataReceived('%s: %s\r\n' % (h,v))
        protocol.dataReceived('\r\n')
        self.failUnless(self.result[0] == "https://login.myserver.com/")

    def _doLoginTest(self, response, headers):
        protocol = msn.PassportLogin(self.deferred,'foo@foo.com','testpass','https://foo.com/', 'a')
        protocol.makeConnection(StringIOWithoutClosing())
        protocol.dataReceived(response)
        for (h,v) in headers.items(): protocol.dataReceived('%s: %s\r\n' % (h,v))
        protocol.dataReceived('\r\n')

    def testPassportLoginSuccess(self):
        headers = {
            'Content-Length'      : '0',
            'Content-Type'        : 'text/html',
            'Authentication-Info' : "Passport1.4 da-status=success,tname=MSPAuth," +
                                    "tname=MSPProf,tname=MSPSec,from-PP='somekey'," +
                                    "ru=http://messenger.msn.com"
        }
        self._doLoginTest('HTTP/1.1 200 OK\r\n', headers)
        self.failUnless(self.result[0] == (msn.LOGIN_SUCCESS, 'somekey'))

    def testPassportLoginFailure(self):
        headers = {
            'Content-Type'     : 'text/html',
            'WWW-Authenticate' : 'Passport1.4 da-status=failed,' +
                                 'srealm=Passport.NET,ts=-3,prompt,cburl=http://host.com,' +
                                 'cbtxt=the%20error%20message'
        }
        self._doLoginTest('HTTP/1.1 401 Unauthorized\r\n', headers)
        self.failUnless(self.result[0] == (msn.LOGIN_FAILURE, 'the error message'))

    def testPassportLoginRedirect(self):
        headers = {
            'Content-Type'        : 'text/html',
            'Authentication-Info' : 'Passport1.4 da-status=redir',
            'Location'            : 'https://newlogin.host.com/'
        }
        self._doLoginTest('HTTP/1.1 302 Found\r\n', headers)
        self.failUnless(self.result[0] == (msn.LOGIN_REDIRECT, 'https://newlogin.host.com/', 'a'))


class DummySwitchboardClient(msn.SwitchboardClient):
    def userTyping(self, message):
        self.state = 'TYPING'

    def gotSendRequest(self, fileName, fileSize, cookie, message):
        if fileName == 'foobar.ext' and fileSize == 31337 and cookie == 1234: self.state = 'INVITATION'


class DummyNotificationClient(msn.NotificationClient):
    def loggedIn(self, userHandle, screenName, verified):
        if userHandle == 'foo@bar.com' and screenName == 'Test Screen Name' and verified:
            self.state = 'LOGIN'

    def gotProfile(self, message):
        self.state = 'PROFILE'

    def gotContactStatus(self, code, userHandle, screenName):
        if code == msn.STATUS_AWAY and userHandle == "foo@bar.com" and screenName == "Test Screen Name":
            self.state = 'INITSTATUS'

    def contactStatusChanged(self, code, userHandle, screenName):
        if code == msn.STATUS_LUNCH and userHandle == "foo@bar.com" and screenName == "Test Name":
            self.state = 'NEWSTATUS'

    def contactOffline(self, userHandle):
        if userHandle == "foo@bar.com": self.state = 'OFFLINE'

    def statusChanged(self, code):
        if code == msn.STATUS_HIDDEN: self.state = 'MYSTATUS'

    def listSynchronized(self, *args):
        self.state = 'GOTLIST'

    def gotPhoneNumber(self, listVersion, userHandle, phoneType, number):
        msn.NotificationClient.gotPhoneNumber(self, listVersion, userHandle, phoneType, number)
        self.state = 'GOTPHONE'

    def userRemovedMe(self, userHandle, listVersion):
        msn.NotificationClient.userRemovedMe(self, userHandle, listVersion)
        c = self.factory.contacts.getContact(userHandle)
        if not c and self.factory.contacts.version == listVersion: self.state = 'USERREMOVEDME'

    def userAddedMe(self, userHandle, screenName, listVersion):
        msn.NotificationClient.userAddedMe(self, userHandle, screenName, listVersion)
        c = self.factory.contacts.getContact(userHandle)
        if c and (c.lists | msn.REVERSE_LIST) and (self.factory.contacts.version == listVersion) and \
           (screenName == 'Screen Name'):
            self.state = 'USERADDEDME'

    def gotSwitchboardInvitation(self, sessionID, host, port, key, userHandle, screenName):
        if sessionID == 1234 and \
           host == '192.168.1.1' and \
           port == 1863 and \
           key == '123.456' and \
           userHandle == 'foo@foo.com' and \
           screenName == 'Screen Name':
            self.state = 'SBINVITED'

class NotificationTests(unittest.TestCase):
    """ testing the various events in NotificationClient """

    def setUp(self):
        self.client = DummyNotificationClient()
        self.client.factory = msn.NotificationFactory()
        self.client.state = 'START'

    def tearDown(self):
        self.client = None

    def testLogin(self):
        self.client.lineReceived('USR 1 OK foo@bar.com Test%20Screen%20Name 1 0')
        self.failUnless((self.client.state == 'LOGIN'), message='Failed to detect successful login')

    def testProfile(self):
        m = 'MSG Hotmail Hotmail 353\r\nMIME-Version: 1.0\r\nContent-Type: text/x-msmsgsprofile; charset=UTF-8\r\n'
        m += 'LoginTime: 1016941010\r\nEmailEnabled: 1\r\nMemberIdHigh: 40000\r\nMemberIdLow: -600000000\r\nlang_preference: 1033\r\n'
        m += 'preferredEmail: foo@bar.com\r\ncountry: AU\r\nPostalCode: 90210\r\nGender: M\r\nKid: 0\r\nAge:\r\nsid: 400\r\n'
        m += 'kv: 2\r\nMSPAuth: 2CACCBCCADMoV8ORoz64BVwmjtksIg!kmR!Rj5tBBqEaW9hc4YnPHSOQ$$\r\n\r\n'
        map(self.client.lineReceived, m.split('\r\n')[:-1])
        self.failUnless((self.client.state == 'PROFILE'), message='Failed to detect initial profile')

    def testStatus(self):
        t = [('ILN 1 AWY foo@bar.com Test%20Screen%20Name 0', 'INITSTATUS', 'Failed to detect initial status report'),
             ('NLN LUN foo@bar.com Test%20Name 0', 'NEWSTATUS', 'Failed to detect contact status change'),
             ('FLN foo@bar.com', 'OFFLINE', 'Failed to detect contact signing off'),
             ('CHG 1 HDN 0', 'MYSTATUS', 'Failed to detect my status changing')]
        for i in t:
            self.client.lineReceived(i[0])
            self.failUnless((self.client.state == i[1]), message=i[2])

    def testListSync(self):
        # currently this test does not take into account the fact
        # that BPRs sent as part of the SYN reply may not be interpreted
        # as such if they are for the last LST -- maybe I should
        # factor this in later.
        self.client.makeConnection(StringIOWithoutClosing())
        msn.NotificationClient.loggedIn(self.client, 'foo@foo.com', 'foobar', 1)
        lines = [
            "SYN %s 100 1 1" % self.client.currentID,
            "GTC A",
            "BLP AL",
            "LSG 0 Other%20Contacts 0",
            "LST userHandle@email.com Some%20Name 11 0"
        ]
        map(self.client.lineReceived, lines)
        contacts = self.client.factory.contacts
        contact = contacts.getContact('userHandle@email.com')
        self.failUnless(contacts.version == 100, "Invalid contact list version")
        self.failUnless(contact.screenName == 'Some Name', "Invalid screen-name for user")
        self.failUnless(contacts.groups == {0 : 'Other Contacts'}, "Did not get proper group list")
        self.failUnless(contact.groups == [0] and contact.lists == 11, "Invalid contact list/group info")
        self.failUnless(self.client.state == 'GOTLIST', "Failed to call list sync handler")

    def testAsyncPhoneChange(self):
        c = msn.MSNContact(userHandle='userHandle@email.com')
        self.client.factory.contacts = msn.MSNContactList()
        self.client.factory.contacts.addContact(c)
        self.client.makeConnection(StringIOWithoutClosing())
        self.client.lineReceived("BPR 101 userHandle@email.com PHH 123%20456")
        c = self.client.factory.contacts.getContact('userHandle@email.com')
        self.failUnless(self.client.state == 'GOTPHONE', "Did not fire phone change callback")
        self.failUnless(c.homePhone == '123 456', "Did not update the contact's phone number")
        self.failUnless(self.client.factory.contacts.version == 101, "Did not update list version")

    def testLateBPR(self):
        """
        This test makes sure that if a BPR response that was meant
        to be part of a SYN response (but came after the last LST)
        is received, the correct contact is updated and all is well
        """
        self.client.makeConnection(StringIOWithoutClosing())
        msn.NotificationClient.loggedIn(self.client, 'foo@foo.com', 'foo', 1)
        lines = [
            "SYN %s 100 1 1" % self.client.currentID,
            "GTC A",
            "BLP AL",
            "LSG 0 Other%20Contacts 0",
            "LST userHandle@email.com Some%20Name 11 0",
            "BPR PHH 123%20456"
        ]
        map(self.client.lineReceived, lines)
        contact = self.client.factory.contacts.getContact('userHandle@email.com')
        self.failUnless(contact.homePhone == '123 456', "Did not update contact's phone number")

    def testUserRemovedMe(self):
        self.client.factory.contacts = msn.MSNContactList()
        contact = msn.MSNContact(userHandle='foo@foo.com')
        contact.addToList(msn.REVERSE_LIST)
        self.client.factory.contacts.addContact(contact)
        self.client.lineReceived("REM 0 RL 100 foo@foo.com")
        self.failUnless(self.client.state == 'USERREMOVEDME', "Failed to remove user from reverse list")

    def testUserAddedMe(self):
        self.client.factory.contacts = msn.MSNContactList()
        self.client.lineReceived("ADD 0 RL 100 foo@foo.com Screen%20Name")
        self.failUnless(self.client.state == 'USERADDEDME', "Failed to add user to reverse lise")

    def testAsyncSwitchboardInvitation(self):
        self.client.lineReceived("RNG 1234 192.168.1.1:1863 CKI 123.456 foo@foo.com Screen%20Name")
        self.failUnless(self.client.state == "SBINVITED")

class MessageHandlingTests(unittest.TestCase):
    """ testing various message handling methods from SwichboardClient """

    def setUp(self):
        self.client = DummySwitchboardClient()
        self.client.state = 'START'

    def tearDown(self):
        self.client = None

    def testTypingCheck(self):
        m = msn.MSNMessage()
        m.setHeader('Content-Type', 'text/x-msmsgscontrol')
        m.setHeader('TypingUser', 'foo@bar')
        self.client.checkMessage(m)
        self.failUnless((self.client.state == 'TYPING'), message='Failed to detect typing notification')

    def testFileInvitation(self):
        m = msn.MSNMessage()
        m.setHeader('Content-Type', 'text/x-msmsgsinvite; charset=UTF-8')
        m.message += 'Application-Name: File Transfer\r\n'
        m.message += 'Invitation-Command: Invite\r\n'
        m.message += 'Invitation-Cookie: 1234\r\n'
        m.message += 'Application-File: foobar.ext\r\n'
        m.message += 'Application-FileSize: 31337\r\n\r\n'
        self.client.checkMessage(m)
        self.failUnless((self.client.state == 'INVITATION'), message='Failed to detect file transfer invitation')

    def testFileResponse(self):
        d = Deferred()
        d.addCallback(self.fileResponse)
        self.client.cookies['iCookies'][1234] = (d, None)
        m = msn.MSNMessage()
        m.setHeader('Content-Type', 'text/x-msmsgsinvite; charset=UTF-8')
        m.message += 'Invitation-Command: ACCEPT\r\n'
        m.message += 'Invitation-Cookie: 1234\r\n\r\n'
        self.client.checkMessage(m)
        self.failUnless((self.client.state == 'RESPONSE'), message='Failed to detect file transfer response')

    def testFileInfo(self):
        d = Deferred()
        d.addCallback(self.fileInfo)
        self.client.cookies['external'][1234] = (d, None)
        m = msn.MSNMessage()
        m.setHeader('Content-Type', 'text/x-msmsgsinvite; charset=UTF-8')
        m.message += 'Invitation-Command: ACCEPT\r\n'
        m.message += 'Invitation-Cookie: 1234\r\n'
        m.message += 'IP-Address: 192.168.0.1\r\n'
        m.message += 'Port: 6891\r\n'
        m.message += 'AuthCookie: 4321\r\n\r\n'
        self.client.checkMessage(m)
        self.failUnless((self.client.state == 'INFO'), message='Failed to detect file transfer info')

    def fileResponse(self, (accept, cookie, info)):
        if accept and cookie == 1234: self.client.state = 'RESPONSE'

    def fileInfo(self, (accept, ip, port, aCookie, info)):
        if accept and ip == '192.168.0.1' and port == 6891 and aCookie == 4321: self.client.state = 'INFO'


class FileTransferTestCase(unittest.TestCase):
    """ test FileSend against FileReceive """

    def setUp(self):
        self.input = StringIOWithoutClosing()
        self.input.writelines(['a'] * 7000)
        self.input.seek(0)
        self.output = StringIOWithoutClosing()

    def tearDown(self):
        self.input = None
        self.output = None

    def testFileTransfer(self):
        auth = 1234
        sender = msn.FileSend(self.input)
        sender.auth = auth
        sender.fileSize = 7000
        client = msn.FileReceive(auth, "foo@bar.com", self.output)
        client.fileSize = 7000
        loopback.loopback(sender, client)
        self.failUnless((client.completed and sender.completed), message="send failed to complete")
        self.failUnless((self.input.getvalue() == self.output.getvalue()), message="saved file does not match original")