예제 #1
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파일: wizard.py 프로젝트: pabit/GlobaLeaks
def db_gen_user_keys(session, tid, user, password):
    """
    Transaction generating and saving user keys

    :param session: An ORM session
    :param tid: A tenant ID
    :param user: A user object
    :param password: A user's password
    :return: A private key generated for the user
    """
    enc_key = GCE.derive_key(password.encode(), user.salt)
    crypto_prv_key, user.crypto_pub_key = GCE.generate_keypair()
    user.crypto_bkp_key, user.crypto_rec_key = GCE.generate_recovery_key(
        crypto_prv_key)
    user.crypto_prv_key = Base64Encoder.encode(
        GCE.symmetric_encrypt(enc_key, crypto_prv_key))

    # Create an escrow backup for the root tenant
    tid_1_escrow = config.ConfigFactory(session,
                                        1).get_val('crypto_escrow_pub_key')
    if tid_1_escrow:
        user.crypto_escrow_bkp1_key = Base64Encoder.encode(
            GCE.asymmetric_encrypt(tid_1_escrow, crypto_prv_key))

    # Create an escrow backup for the actual tenant
    tid_n_escrow = config.ConfigFactory(session,
                                        tid).get_val('crypto_escrow_pub_key')
    if tid_n_escrow:
        user.crypto_escrow_bkp2_key = Base64Encoder.encode(
            GCE.asymmetric_encrypt(tid_n_escrow, crypto_prv_key))

    return crypto_prv_key
예제 #2
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파일: user.py 프로젝트: pabit/GlobaLeaks
def set_user_password(tid, user, password, cc):
    # Regenerate the password hash only if different from the best choice on the platform
    if user.hash_alg != 'ARGON2':
        user.hash_alg = 'ARGON2'
        user.salt = GCE.generate_salt()

    password_hash = GCE.hash_password(password, user.salt)

    # Check that the new password is different form the current password
    if user.password == password_hash:
        raise errors.PasswordReuseError

    user.password = password_hash
    user.password_change_date = datetime_now()

    if not State.tenant_cache[tid].encryption and cc == '':
        return None

    enc_key = GCE.derive_key(password.encode(), user.salt)
    if not cc:
        # The first password change triggers the generation
        # of the user encryption private key and its backup
        cc, user.crypto_pub_key = GCE.generate_keypair()
        user.crypto_bkp_key, user.crypto_rec_key = GCE.generate_recovery_key(cc)

    user.crypto_prv_key = Base64Encoder.encode(GCE.symmetric_encrypt(enc_key, cc))

    if State.tenant_cache[1].crypto_escrow_pub_key:
        user.crypto_escrow_bkp1_key = Base64Encoder.encode(GCE.asymmetric_encrypt(State.tenant_cache[1].crypto_escrow_pub_key, cc))

    if State.tenant_cache[tid].crypto_escrow_pub_key:
        user.crypto_escrow_bkp2_key = Base64Encoder.encode(GCE.asymmetric_encrypt(State.tenant_cache[tid].crypto_escrow_pub_key, cc))

    return cc
예제 #3
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 def test_recovery_key(self):
     prv_key, _ = GCE.generate_keypair()
     bck_key, rec_key = GCE.generate_recovery_key(prv_key)
     plain_rec_key = GCE.asymmetric_decrypt(prv_key,
                                            Base64Encoder.decode(rec_key))
     x = GCE.symmetric_decrypt(plain_rec_key, Base64Encoder.decode(bck_key))
     self.assertEqual(x, prv_key)
예제 #4
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파일: user.py 프로젝트: pabit/GlobaLeaks
def db_admin_update_user(session, tid, user_session, user_id, request,
                         language):
    """
    Transaction for updating an existing user

    :param session: An ORM session
    :param tid: A tenant ID
    :param user_session: The current user session
    :param user_id: The ID of the user to update
    :param request: The request data
    :param language: The language of the request
    :return: The serialized descriptor of the updated object
    """
    fill_localized_keys(request, models.User.localized_keys, language)

    user = db_get_user(session, tid, user_id)

    if user.username != request['username']:
        check = session.query(models.User).filter(
            models.User.username == request['username'],
            models.User.tid == tid).one_or_none()
        if check is not None:
            raise errors.InputValidationError('Username already in use')

    user.update(request)

    password = request['password']
    if password and (not user.crypto_pub_key or user_session.ek):
        if user.crypto_pub_key and user_session.ek:
            enc_key = GCE.derive_key(password.encode(), user.salt)
            crypto_escrow_prv_key = GCE.asymmetric_decrypt(
                user_session.cc, Base64Encoder.decode(user_session.ek))

            if tid == 1:
                user_cc = GCE.asymmetric_decrypt(
                    crypto_escrow_prv_key,
                    Base64Encoder.decode(user.crypto_escrow_bkp1_key))
            else:
                user_cc = GCE.asymmetric_decrypt(
                    crypto_escrow_prv_key,
                    Base64Encoder.decode(user.crypto_escrow_bkp2_key))

            user.crypto_prv_key = Base64Encoder.encode(
                GCE.symmetric_encrypt(enc_key, user_cc))

        if user.hash_alg != 'ARGON2':
            user.hash_alg = 'ARGON2'
            user.salt = GCE.generate_salt()

        user.password = GCE.hash_password(password, user.salt)
        user.password_change_date = datetime_now()
        user.password_change_needed = True

    # The various options related in manage PGP keys are used here.
    parse_pgp_options(user, request)

    return user_serialize_user(session, user, language)
예제 #5
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def validate_password_reset(session, reset_token, auth_code, recovery_key):
    """
    Retrieves a user given a password reset validation token

    :param session: An ORM session
    :param reset_token: A reset token
    :param auth_code: A two factor authentication code (optional)
    :param recovery_key: An encryption recovery key (optional)
    :return: A descriptor describing the result of the operation
    """
    now = datetime.now()
    prv_key = ''

    user = session.query(models.User).filter(
        models.User.reset_password_token == reset_token,
        models.User.reset_password_date >= now - timedelta(hours=72)
    ).one_or_none()

    # If the authentication token is invalid
    if user is None:
        return {'status': 'invalid_reset_token_provided'}

    # If encryption is enabled require the recovery key
    if user.crypto_prv_key:
        try:
            x = State.TempKeys.pop(user.id, None)
            if x:
                enc_key = GCE.derive_key(reset_token.encode(), user.salt)
                prv_key = GCE.symmetric_decrypt(enc_key, Base64Encoder.decode(x))
            else:
                recovery_key = recovery_key.replace('-', '').upper() + '===='
                recovery_key = Base32Encoder.decode(recovery_key.encode())
                prv_key = GCE.symmetric_decrypt(recovery_key, Base64Encoder.decode(user.crypto_bkp_key))
        except:
            return {'status': 'require_recovery_key'}

    elif user.two_factor_enable:
        two_factor_secret = user.two_factor_secret
        if not pyotp.TOTP(two_factor_secret).verify(auth_code, valid_window=1):
            return {'status': 'require_two_factor_authentication'}

    # Token is used, void it out
    user.reset_password_token = None
    user.reset_password_date = now

    # Require password change
    user.password_change_needed = True

    session = Sessions.new(user.tid, user.id,
                           user.tid, user.role,
                           user.password_change_needed,
                           user.two_factor_enable,
                           prv_key,
                           user.crypto_escrow_prv_key)

    return {'status': 'success', 'token': session.id}
예제 #6
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def generate_password_reset_token(session, tid, user_session, user_id):
    user = session.query(User).filter(User.tid == tid, User.id == user_id).one_or_none()
    if user is None:
        return

    db_generate_password_reset_token(session, user)

    if user_session.ek and user.crypto_pub_key:
        crypto_escrow_prv_key = GCE.asymmetric_decrypt(user_session.cc, Base64Encoder.decode(user_session.ek))
        user_cc = GCE.asymmetric_decrypt(crypto_escrow_prv_key, Base64Encoder.decode(user.crypto_escrow_bkp1_key))
        enc_key = GCE.derive_key(user.reset_password_token.encode(), user.salt)
        key = Base64Encoder.encode(GCE.symmetric_encrypt(enc_key, user_cc))
        State.TempKeys[user_id] = TempKey(key)
예제 #7
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def db_update_node(session, tid, user_session, request, language):
    """
    Transaction to update the node configuration

    :param session: An ORM session
    :param tid: A tenant ID
    :param user_session: The current user session
    :param request: The request data
    :param language: the language in which to localize data
    :return: Return the serialized configuration for the specified tenant
    """
    config = ConfigFactory(session, tid)

    enable_escrow = not config.get_val('escrow') and request.get('escrow', False)
    disable_escrow = user_session.ek and config.get_val('escrow') and not request.get('escrow', False)

    config.update('node', request)

    if request['enable_ricochet_panel'] and not request['ricochet_address']:
        request['enable_ricochet_panel'] = False

    # Validate that IP addresses/ranges we're getting are goo
    if 'ip_filter_admin' in request and request['ip_filter_admin_enable'] and request['ip_filter_admin']:
        parse_csv_ip_ranges_to_ip_networks(request['ip_filter_admin'])

    if 'languages_enabled' in request and 'default_language' in request:
        db_update_enabled_languages(session,
                                    tid,
                                    request['languages_enabled'],
                                    request['default_language'])

    if language in db_get_languages(session, tid):
        ConfigL10NFactory(session, tid).update('node', request, language)

    if enable_escrow:
        crypto_escrow_prv_key, State.tenant_cache[tid].crypto_escrow_pub_key = GCE.generate_keypair()
        user = db_get(session, models.User, models.User.id == user_session.user_id)
        user.crypto_escrow_prv_key = Base64Encoder.encode(GCE.asymmetric_encrypt(user.crypto_pub_key, crypto_escrow_prv_key))

        if tid == 1:
            session.query(models.User).update({'password_change_needed': True}, synchronize_session=False)
        else:
            session.query(models.User).filter(models.User.tid == tid).update({'password_change_needed': True}, synchronize_session=False)

    if disable_escrow:
        if tid == 1:
            session.query(models.User).update({'crypto_escrow_bkp1_key': ''}, synchronize_session=False)
        else:
            session.query(models.User).update({'crypto_escrow_bkp2_key': ''}, synchronize_session=False)

        session.query(models.User).filter(models.User.tid == tid).update({'crypto_escrow_prv_key': ''}, synchronize_session=False)

    config.set_val('crypto_escrow_pub_key', State.tenant_cache[tid].crypto_escrow_pub_key)

    db_refresh_memory_variables(session, [tid])

    if tid == 1:
        log.setloglevel(config.get_val('log_level'))

    return db_admin_serialize_node(session, tid, language)
예제 #8
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def login_whistleblower(session, tid, receipt):
    """
    Login transaction for whistleblowers' access

    :param session: An ORM session
    :param tid: A tenant ID
    :param receipt: A provided receipt
    :return: Returns a user session in case of success
    """
    x = None

    algorithms = [x[0] for x in session.query(WhistleblowerTip.hash_alg).filter(WhistleblowerTip.tid == tid).distinct()]

    if algorithms:
        hashes = [GCE.hash_password(receipt, State.tenant_cache[tid].receipt_salt, alg) for alg in algorithms]

        x = session.query(WhistleblowerTip, InternalTip) \
                   .filter(WhistleblowerTip.receipt_hash.in_(hashes),
                           WhistleblowerTip.tid == tid,
                           InternalTip.id == WhistleblowerTip.id).one_or_none()

    if x is None:
        login_failure(tid, 1)

    wbtip = x[0]
    itip = x[1]

    itip.wb_last_access = datetime_now()

    crypto_prv_key = ''
    if wbtip.crypto_prv_key:
        user_key = GCE.derive_key(receipt.encode(), State.tenant_cache[tid].receipt_salt)
        crypto_prv_key = GCE.symmetric_decrypt(user_key, Base64Encoder.decode(wbtip.crypto_prv_key))

    return Sessions.new(tid, wbtip.id, tid, 'whistleblower', False, False, crypto_prv_key, '')
예제 #9
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def login(session, tid, username, password, authcode, client_using_tor,
          client_ip):
    """
    Login transaction for users' access

    :param session: An ORM session
    :param tid: A tenant ID
    :param username: A provided username
    :param password: A provided password
    :param authcode: A provided authcode
    :param client_using_tor: A boolean signaling Tor usage
    :param client_ip:  The client IP
    :return: Returns a user session in case of success
    """
    user = None

    for u in session.query(User).filter(User.username == username,
                                        User.state == 'enabled',
                                        User.tid == tid):
        if GCE.check_password(u.hash_alg, password, u.salt, u.password):
            user = u
            break

    if user is None:
        log.debug("Login: Invalid credentials")
        login_error(tid)

    connection_check(tid, client_ip, user.role, client_using_tor)

    crypto_prv_key = ''
    if user.crypto_prv_key:
        user_key = GCE.derive_key(password.encode(), user.salt)
        crypto_prv_key = GCE.symmetric_decrypt(
            user_key, Base64Encoder.decode(user.crypto_prv_key))
    elif State.tenant_cache[tid].encryption:
        # Force the password change on which the user key will be created
        user.password_change_needed = True

    # Require password change if password change threshold is exceeded
    if State.tenant_cache[tid].password_change_period > 0 and \
       user.password_change_date < datetime_now() - timedelta(days=State.tenant_cache[tid].password_change_period):
        user.password_change_needed = True

    if user.two_factor_enable:
        if authcode != '':
            # RFC 6238: step size 30 sec; valid_window = 1; total size of the window: 1.30 sec
            if not pyotp.TOTP(user.two_factor_secret).verify(authcode,
                                                             valid_window=1):
                raise errors.InvalidTwoFactorAuthCode

        else:
            raise errors.TwoFactorAuthCodeRequired

    user.last_login = datetime_now()

    return Sessions.new(tid, user.id, user.tid, user.role,
                        user.password_change_needed, user.two_factor_enable,
                        crypto_prv_key, user.crypto_escrow_prv_key)
예제 #10
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def db_admin_update_user(session, tid, user_session, user_id, request, language):
    """
    Transaction for updating an existing user

    :param session: An ORM session
    :param tid: A tenant ID
    :param user_session: The current user session
    :param user_id: The ID of the user to update
    :param request: The request data
    :param language: The language of the request
    :return: The serialized descriptor of the updated object
    """
    fill_localized_keys(request, models.User.localized_keys, language)

    user = db_get_user(session, tid, user_id)

    user.update(request)

    password = request['password']
    if password and (not user.crypto_pub_key or user_session.ek):
        if user.crypto_pub_key and user_session.ek:
            enc_key = GCE.derive_key(password.encode(), user.salt)
            crypto_escrow_prv_key = GCE.asymmetric_decrypt(user_session.cc, Base64Encoder.decode(user_session.ek))

            if user_session.user_tid == 1:
                user_cc = GCE.asymmetric_decrypt(crypto_escrow_prv_key, Base64Encoder.decode(user.crypto_escrow_bkp1_key))
            else:
                user_cc = GCE.asymmetric_decrypt(crypto_escrow_prv_key, Base64Encoder.decode(user.crypto_escrow_bkp2_key))

            user.crypto_prv_key = Base64Encoder.encode(GCE.symmetric_encrypt(enc_key, user_cc))

        if user.hash_alg != 'ARGON2':
            user.hash_alg = 'ARGON2'
            user.salt = GCE.generate_salt()

        user.password = GCE.hash_password(password, user.salt)
        user.password_change_date = datetime_now()

        State.log(tid=tid, type='change_password', user_id=user_session.user_id, object_id=user_id)

    # The various options related in manage PGP keys are used here.
    parse_pgp_options(user, request)

    return user_serialize_user(session, user, language)
예제 #11
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def db_create_receivertip(session, receiver, internaltip, can_access_whistleblower_identity, enc_key):
    """
    Create a receiver tip for the specified receiver
    """
    receivertip = models.ReceiverTip()
    receivertip.internaltip_id = internaltip.id
    receivertip.receiver_id = receiver.id
    receivertip.can_access_whistleblower_identity = can_access_whistleblower_identity
    receivertip.crypto_tip_prv_key = Base64Encoder.encode(enc_key)
    session.add(receivertip)
예제 #12
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def toggle_escrow(session, tid, user_session, user_id):
    """
    Transaction to toggle key escrow access for user an user given its id

    :param session: An ORM session
    :param tid: A tenant ID
    :param user_session: The current user session
    :param user_id: The user for which togling the key escrow access
    """
    if user_session.user_id == user_id or not user_session.ek:
        return

    user = db_get_user(session, tid, user_id)
    if not user.crypto_pub_key:
        return

    if not user.crypto_escrow_prv_key:
        crypto_escrow_prv_key = GCE.asymmetric_decrypt(user_session.cc, Base64Encoder.decode(user_session.ek))
        user.crypto_escrow_prv_key = Base64Encoder.encode(GCE.asymmetric_encrypt(user.crypto_pub_key, crypto_escrow_prv_key))
    else:
        user.crypto_escrow_prv_key = ''
예제 #13
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파일: user.py 프로젝트: pabit/GlobaLeaks
def get_recovery_key(session, tid, user_id, user_cc):
    """
    Transaction to get a user recovery key

    :param session: An ORM session
    :param tid: The tenant ID
    :param user_id: The user ID
    :param user_cc: The user key
    :return: The recovery key encoded base32
    """
    user = db_get_user(session, tid, user_id)

    if not user.crypto_rec_key:
        return ''

    return Base32Encoder.encode(GCE.asymmetric_decrypt(user_cc, Base64Encoder.decode(user.crypto_rec_key.encode()))).replace(b'=', b'')
예제 #14
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파일: export.py 프로젝트: pabit/GlobaLeaks
def get_tip_export(session, tid, user_id, rtip_id, language):
    rtip, itip = db_access_rtip(session, tid, user_id, rtip_id)

    user, context = session.query(models.User, models.Context) \
                           .filter(models.User.id == rtip.receiver_id,
                                   models.Context.id == models.InternalTip.context_id,
                                   models.InternalTip.id == rtip.internaltip_id,
                                   models.User.tid == tid).one()

    rtip_dict = serialize_rtip(session, rtip, itip, language)

    return {
        'type': 'export_template',
        'node': db_admin_serialize_node(session, tid, language),
        'notification': db_get_notification(session, tid, language),
        'tip': rtip_dict,
        'crypto_tip_prv_key': Base64Encoder.decode(rtip.crypto_tip_prv_key),
        'user': user_serialize_user(session, user, language),
        'context': admin_serialize_context(session, context, language),
        'submission_statuses':
        db_get_submission_statuses(session, tid, language)
    }
예제 #15
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################################################################################
# BEGIN MOCKS NECESSARY FOR DETERMINISTIC ENCRYPTION
VALID_PASSWORD1 = 'ACollectionOfDiplomaticHistorySince_1966_ToThe_Pr esentDay#'
VALID_PASSWORD2 = VALID_PASSWORD1
VALID_SALT1 = GCE.generate_salt()
VALID_SALT2 = GCE.generate_salt()
VALID_HASH1 = GCE.hash_password(VALID_PASSWORD1, VALID_SALT1)
VALID_HASH2 = GCE.hash_password(VALID_PASSWORD2, VALID_SALT2)
VALID_BASE64_IMG = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVQYV2NgYAAAAAMAAWgmWQ0AAAAASUVORK5CYII='
INVALID_PASSWORD = '******'

KEY = GCE.generate_key()
USER_KEY = GCE.derive_key(VALID_PASSWORD1, VALID_SALT1)
USER_PRV_KEY, USER_PUB_KEY = GCE.generate_keypair()
USER_PRV_KEY_ENC = Base64Encoder.encode(GCE.symmetric_encrypt(USER_KEY, USER_PRV_KEY))
USER_BKP_KEY, USER_REC_KEY = GCE.generate_recovery_key(USER_PRV_KEY)
USER_REC_KEY_PLAIN = GCE.asymmetric_decrypt(USER_PRV_KEY, Base64Encoder.decode(USER_REC_KEY))
USER_REC_KEY_PLAIN = Base32Encoder.encode(USER_REC_KEY_PLAIN).replace(b'=', b'').decode('utf-8')
GCE_orig_generate_key = GCE.generate_key
GCE_orig_generate_keypair = GCE.generate_keypair


def GCE_mock_generate_key():
    return KEY


def GCE_mock_generate_keypair():
    return USER_PRV_KEY, USER_PUB_KEY

예제 #16
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def db_create_submission(session, tid, request, token, client_using_tor):
    tenant = db_get(session, models.Tenant, models.Tenant.id == tid)

    context, questionnaire = db_get(
        session, (models.Context, models.Questionnaire),
        (models.Context.id == request['context_id'], models.Questionnaire.id
         == models.Context.questionnaire_id))

    receivers = request['receivers']
    answers = request['answers']
    steps = db_get_questionnaire(session, tid, questionnaire.id, None)['steps']
    questionnaire_hash = db_archive_questionnaire_schema(session, steps)
    preview = extract_answers_preview(steps, answers)

    crypto_is_available = State.tenant_cache[tid].encryption

    crypto_tip_pub_key = ''
    if crypto_is_available:
        crypto_tip_prv_key, crypto_tip_pub_key = GCE.generate_keypair()
        receivers = [r[0] for r in session.query(models.User.id) \
                                          .filter(models.User.id.in_(receivers),
                                                  models.User.crypto_pub_key != '')]

    if not request['receivers']:
        raise errors.InputValidationError(
            "Unable to deliver the submission to at least one recipient")

    if 0 < context.maximum_selectable_receivers < len(request['receivers']):
        raise errors.InputValidationError(
            "The number of recipients selected exceed the configured limit")

    itip = models.InternalTip()
    itip.tid = tid
    itip.status = 'new'
    itip.crypto_tip_pub_key = crypto_tip_pub_key

    itip.progressive = db_assign_submission_progressive(session, tid)

    itip.additional_questionnaire_id = context.additional_questionnaire_id

    if context.tip_timetolive > 0:
        itip.expiration_date = get_expiration(context.tip_timetolive)

    # Evaluate the score level
    itip.total_score = request['total_score']

    # The status https is used to keep track of the security level adopted by the whistleblower
    itip.https = not client_using_tor
    itip.mobile = request['mobile']

    itip.context_id = context.id
    itip.enable_two_way_comments = context.enable_two_way_comments
    itip.enable_two_way_messages = context.enable_two_way_messages
    itip.enable_attachments = context.enable_attachments

    x = session.query(models.Field, models.FieldAttr.value) \
               .filter(models.Field.template_id == 'whistleblower_identity',
                       models.Field.step_id == models.Step.id,
                       models.Step.questionnaire_id == context.questionnaire_id,
                       models.FieldAttr.field_id == models.Field.id,
                       models.FieldAttr.name == 'visibility_subject_to_authorization').one_or_none()

    whistleblower_identity = None
    can_access_whistleblower_identity = True

    if x:
        whistleblower_identity = x[0]
        can_access_whistleblower_identity = not x[1]

    itip.enable_whistleblower_identity = whistleblower_identity is not None

    session.add(itip)
    session.flush()

    # Evaluate if the whistleblower tip should be generated
    if ((not State.tenant_cache[tid].enable_scoring_system)
            or (context.score_threshold_receipt == 0)
            or (context.score_threshold_receipt == 1 and itip.total_score >= 2)
            or
        (context.score_threshold_receipt == 2 and itip.total_score == 3)):

        receipt = GCE.generate_receipt()
        receipt_salt = State.tenant_cache[tid].receipt_salt

        wbtip = models.WhistleblowerTip()
        wbtip.id = itip.id
        wbtip.tid = tid
        wbtip.hash_alg = 'ARGON2'
        wbtip.receipt_hash = GCE.hash_password(receipt, receipt_salt)

        # Evaluate if the whistleblower tip should be encrypted
        if crypto_is_available:
            crypto_tip_prv_key, itip.crypto_tip_pub_key = GCE.generate_keypair(
            )
            wb_key = GCE.derive_key(receipt.encode(), receipt_salt)
            wb_prv_key, wb_pub_key = GCE.generate_keypair()
            wbtip.crypto_prv_key = Base64Encoder.encode(
                GCE.symmetric_encrypt(wb_key, wb_prv_key))
            wbtip.crypto_pub_key = wb_pub_key
            wbtip.crypto_tip_prv_key = Base64Encoder.encode(
                GCE.asymmetric_encrypt(wb_pub_key, crypto_tip_prv_key))

        session.add(wbtip)
    else:
        receipt = ''

    # Apply special handling to the whistleblower identity question
    if itip.enable_whistleblower_identity and request[
            'identity_provided'] and answers[whistleblower_identity.id]:
        if crypto_is_available:
            wbi = base64.b64encode(
                GCE.asymmetric_encrypt(
                    itip.crypto_tip_pub_key,
                    json.dumps(answers[whistleblower_identity.id]
                               [0]).encode())).decode()
        else:
            wbi = answers[whistleblower_identity.id][0]

        answers[whistleblower_identity.id] = ''

        db_set_internaltip_data(session, itip.id, 'whistleblower_identity',
                                wbi)

    db_save_plaintext_answers(session, tid, itip.id, answers,
                              crypto_is_available)

    if crypto_is_available:
        preview = base64.b64encode(
            GCE.asymmetric_encrypt(
                itip.crypto_tip_pub_key,
                json.dumps(preview, cls=JSONEncoder).encode())).decode()
        answers = base64.b64encode(
            GCE.asymmetric_encrypt(
                itip.crypto_tip_pub_key,
                json.dumps(answers, cls=JSONEncoder).encode())).decode()

    itip.preview = preview

    db_set_internaltip_answers(session, itip.id, questionnaire_hash, answers)

    for uploaded_file in token.uploaded_files:
        if not itip.enable_attachments:
            break

        if uploaded_file['id'] in request['removed_files']:
            continue

        if crypto_is_available:
            for k in ['name', 'type', 'size']:
                uploaded_file[k] = base64.b64encode(
                    GCE.asymmetric_encrypt(itip.crypto_tip_pub_key,
                                           str(uploaded_file[k])))

        new_file = models.InternalFile()
        new_file.tid = tid
        new_file.name = uploaded_file['name']
        new_file.content_type = uploaded_file['type']
        new_file.size = uploaded_file['size']
        new_file.internaltip_id = itip.id
        new_file.filename = uploaded_file['filename']
        new_file.submission = uploaded_file['submission']
        session.add(new_file)

    for user in session.query(models.User).filter(
            models.User.id.in_(request['receivers'])):
        _tip_key = b''
        if crypto_is_available:
            if not user.crypto_pub_key:
                continue

            _tip_key = GCE.asymmetric_encrypt(user.crypto_pub_key,
                                              crypto_tip_prv_key)

        db_create_receivertip(session, user, itip,
                              can_access_whistleblower_identity, _tip_key)

    return {'receipt': receipt, 'score': itip.total_score}
예제 #17
0
파일: wizard.py 프로젝트: pabit/GlobaLeaks
def db_wizard(session, tid, hostname, request):
    """
    Transaction for the handling of wizard request

    :param session: An ORM session
    :param tid: A tenant ID
    :param request: A user request
    """
    language = request['node_language']

    node = config.ConfigFactory(session, tid)

    if tid == 1:
        root_tenant_node = node
        encryption = True
    else:
        root_tenant_node = node
        encryption = root_tenant_node.get_val('encryption')

    if node.get_val('wizard_done'):
        log.err("DANGER: Wizard already initialized!", tid=tid)
        raise errors.ForbiddenOperation

    db_update_enabled_languages(session, tid, [language], language)

    node.set_val('encryption', encryption)
    node.set_val('name', request['node_name'])
    node.set_val('default_language', language)
    node.set_val('wizard_done', True)
    node.set_val('enable_developers_exception_notification',
                 request['enable_developers_exception_notification'])
    node.set_val('hostname', hostname)

    node_l10n = config.ConfigL10NFactory(session, tid)
    node_l10n.set_val('header_title_homepage', language, request['node_name'])

    profiles.load_profile(session, tid, request['profile'])

    if encryption:
        crypto_escrow_prv_key, crypto_escrow_pub_key = GCE.generate_keypair()
        node.set_val('crypto_escrow_pub_key', crypto_escrow_pub_key)

    admin_desc = models.User().dict(language)
    admin_desc['username'] = request['admin_username']
    admin_desc['name'] = request['admin_name']
    admin_desc['password'] = request['admin_password']
    admin_desc['name'] = request['admin_name']
    admin_desc['mail_address'] = request['admin_mail_address']
    admin_desc['language'] = language
    admin_desc['role'] = 'admin'
    admin_desc['pgp_key_remove'] = False

    admin_user = db_create_user(session, tid, admin_desc, language)
    admin_user.password = GCE.hash_password(request['admin_password'],
                                            admin_user.salt)
    admin_user.password_change_needed = False
    admin_user.password_change_date = datetime_now()

    if encryption:
        db_gen_user_keys(session, tid, admin_user, request['admin_password'])
        admin_user.crypto_escrow_prv_key = Base64Encoder.encode(
            GCE.asymmetric_encrypt(admin_user.crypto_pub_key,
                                   crypto_escrow_prv_key))

    receiver_user = None
    if not request['skip_recipient_account_creation']:
        receiver_desc = models.User().dict(language)
        receiver_desc['username'] = request['receiver_username']
        receiver_desc['name'] = request['receiver_name']
        receiver_desc['password'] = request['receiver_password']
        receiver_desc['mail_address'] = request['receiver_mail_address']
        receiver_desc['language'] = language
        receiver_desc['role'] = 'receiver'
        receiver_desc['pgp_key_remove'] = False
        receiver_desc['send_account_activation_link'] = receiver_desc[
            'password'] == ''
        receiver_user = db_create_user(session, tid, receiver_desc, language)

        if receiver_desc['password']:
            receiver_user.password = GCE.hash_password(
                receiver_desc['password'], receiver_user.salt)

            if encryption:
                db_gen_user_keys(session, tid, receiver_user,
                                 receiver_desc['password'])

    context_desc = models.Context().dict(language)
    context_desc['name'] = 'Default'
    context_desc['status'] = 'enabled'

    context_desc['receivers'] = [receiver_user.id] if receiver_user else []

    context = db_create_context(session, tid, context_desc, language)

    # Root tenants initialization terminates here

    if tid == 1:
        db_refresh_memory_variables(session, [tid])
        return

    # Secondary tenants initialization starts here

    tenant = models.db_get(session, models.Tenant, models.Tenant.id == tid)
    tenant.label = request['node_name']

    mode = node.get_val('mode')

    if mode not in ['default', 'demo']:
        node.set_val(
            'hostname',
            tenant.subdomain + '.' + root_tenant_node.get_val('rootdomain'))

        for varname in [
                'reachable_via_web', 'enable_receipt_hint',
                'disable_privacy_badge', 'simplified_login',
                'can_delete_submission', 'can_postpone_expiration',
                'anonymize_outgoing_connections', 'frame_ancestors',
                'password_change_period', 'default_questionnaire',
                'enable_password_reset'
        ]:
            node.set_val(varname, root_tenant_node.get_val(varname))

        context.questionnaire_id = root_tenant_node.get_val(
            'default_questionnaire')

        # Set data retention policy to 18 months
        context.tip_timetolive = 540

        # Delete the admin user
        request['admin_password'] = ''
        session.delete(admin_user)

        if receiver_user is not None:
            # Enable the recipient user to configure platform general settings
            receiver_user.can_edit_general_settings = True

            # Set the recipient name equal to the node name
            receiver_user.name = receiver_user.public_name = request[
                'node_name']

    # Apply the specific fixes related to whistleblowing.it projects
    if mode == 'whistleblowing.it':
        node.set_val('simplified_login', True)
        node.set_val('tor', False)

    db_refresh_memory_variables(session, [tid])
예제 #18
0
################################################################################
# BEGIN MOCKS NECESSARY FOR DETERMINISTIC ENCRYPTION
VALID_PASSWORD1 = 'ACollectionOfDiplomaticHistorySince_1966_ToThe_Pr esentDay#'
VALID_PASSWORD2 = VALID_PASSWORD1
VALID_SALT1 = GCE.generate_salt()
VALID_SALT2 = GCE.generate_salt()
VALID_HASH1 = GCE.hash_password(VALID_PASSWORD1, VALID_SALT1)
VALID_HASH2 = GCE.hash_password(VALID_PASSWORD2, VALID_SALT2)
VALID_BASE64_IMG = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVQYV2NgYAAAAAMAAWgmWQ0AAAAASUVORK5CYII='
INVALID_PASSWORD = '******'

KEY = GCE.generate_key()
USER_KEY = GCE.derive_key(VALID_PASSWORD1, VALID_SALT1)
USER_PRV_KEY, USER_PUB_KEY = GCE.generate_keypair()
USER_PRV_KEY_ENC = Base64Encoder.encode(
    GCE.symmetric_encrypt(USER_KEY, USER_PRV_KEY))
USER_BKP_KEY, USER_REC_KEY = GCE.generate_recovery_key(USER_PRV_KEY)
USER_REC_KEY_PLAIN = GCE.asymmetric_decrypt(USER_PRV_KEY,
                                            Base64Encoder.decode(USER_REC_KEY))
USER_REC_KEY_PLAIN = Base32Encoder.encode(USER_REC_KEY_PLAIN).replace(
    b'=', b'').decode('utf-8')
GCE_orig_generate_key = GCE.generate_key
GCE_orig_generate_keypair = GCE.generate_keypair


def GCE_mock_generate_key():
    return KEY


def GCE_mock_generate_keypair():
    return USER_PRV_KEY, USER_PUB_KEY
예제 #19
0
def login(session, tid, username, password, authcode, client_using_tor,
          client_ip):
    """
    Login transaction for users' access

    :param session: An ORM session
    :param tid: A tenant ID
    :param username: A provided username
    :param password: A provided password
    :param authcode: A provided authcode
    :param client_using_tor: A boolean signaling Tor usage
    :param client_ip:  The client IP
    :return: Returns a user session in case of success
    """
    user = None

    users = session.query(User).filter(User.username == username,
                                       User.state != 'disabled',
                                       User.tid == tid).distinct()
    for u in users:
        if GCE.check_password(u.hash_alg, password, u.salt, u.password):
            user = u
            break

        # Fix for issue: https://github.com/globaleaks/GlobaLeaks/issues/2563
        if State.tenant_cache[1].creation_date < 1551740400:
            u_password = '******'' + u.password + '\''
            if GCE.check_password(u.hash_alg, password, u.salt, u_password):
                user = u
                break

    if user is None:
        log.debug("Login: Invalid credentials")
        Settings.failed_login_attempts += 1
        raise errors.InvalidAuthentication

    connection_check(client_ip, tid, user.role, client_using_tor)

    crypto_prv_key = ''
    if user.crypto_prv_key:
        user_key = GCE.derive_key(password.encode(), user.salt)
        crypto_prv_key = GCE.symmetric_decrypt(
            user_key, Base64Encoder.decode(user.crypto_prv_key))
    elif State.tenant_cache[tid].encryption:
        # Force the password change on which the user key will be created
        user.password_change_needed = True

    if user.two_factor_enable:
        if authcode != '':
            # RFC 6238: step size 30 sec; valid_window = 1; total size of the window: 1.30 sec
            if not pyotp.TOTP(user.two_factor_secret).verify(authcode,
                                                             valid_window=1):
                raise errors.InvalidTwoFactorAuthCode

        else:
            raise errors.TwoFactorAuthCodeRequired

    user.last_login = datetime_now()

    return Sessions.new(tid, user.id, user.tid, user.role,
                        user.password_change_needed, user.two_factor_enable,
                        crypto_prv_key, user.crypto_escrow_prv_key)