Beispiel #1
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = "Remove %s Owner" % label
    output_objects.append({'object_type': 'header', 'text':
                           'Remove %s Owner' % label})
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
    )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1]
    flags = ''.join(accepted['flags'])
    cert_id = accepted['cert_id'][-1]
    cert_dir = client_id_dir(cert_id)
    # inherited vgrid membership
    inherit_vgrid_member = False

    if not safe_handler(configuration, 'post', op_name, client_id,
                        get_csrf_limit(configuration), accepted):
        output_objects.append(
            {'object_type': 'error_text', 'text': '''Only accepting
CSRF-filtered POST requests to prevent unintended updates'''
             })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # always allow owner to remove self
    if client_id != cert_id:

        user_map = get_full_user_map(configuration)
        user_dict = user_map.get(client_id, None)
        # Optional site-wide limitation of manage vgrid permission
        if not user_dict or \
                not vgrid_manage_allowed(configuration, user_dict):
            logger.warning("user %s is not allowed to manage vgrids!" %
                           client_id)
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 'Only privileged users can manage %ss' % label})
            return (output_objects, returnvalues.CLIENT_ERROR)

        # make sure vgrid settings allow this owner to edit other owners
        (allow_status, allow_msg) = allow_owners_adm(configuration, vgrid_name,
                                                     client_id)
        if not allow_status:
            output_objects.append({'object_type': 'error_text', 'text':
                                   allow_msg})
            return (output_objects, returnvalues.CLIENT_ERROR)

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'owner', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text': msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't remove if not already an owner

    if not vgrid_is_owner(vgrid_name, cert_id, configuration):
        logger.warning('%s is not allowed to remove owner %s from %s' %
                       (client_id, cert_id, vgrid_name))
        output_objects.append({'object_type': 'error_text', 'text':
                               '%s is not an owner of %s or a parent %s.' %
                               (cert_id, vgrid_name, label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # we need the local owners file to detect inherited ownerships

    (owners_status, owners_direct) = vgrid_owners(vgrid_name, configuration,
                                                  False)
    (all_status, owners) = vgrid_owners(vgrid_name, configuration, True)
    if not owners_status or not all_status:
        logger.error('Error loading owners for %s: %s / %s'
                     % (vgrid_name, owners_direct, owners))
        output_objects.append(
            {'object_type': 'error_text', 'text':
             'An internal error occurred, error conditions have been logged.'})
        output_objects.append({'object_type': 'text', 'text': '''
         You can help us fix the problem by notifying the administrators
         via mail about what you wanted to do when the error happened.'''})
        return (output_objects, returnvalues.CLIENT_ERROR)

    logger.info('%s removing owner %s from %s' % (client_id, cert_id,
                                                  vgrid_name))

    # find out whether to just remove an owner or delete the whole thing.
    # ask about delete if last or no direct owners.

    if len(owners_direct) > 1:

        logger.debug('Removing %s, one of several owners, from %s.' %
                     (cert_id, vgrid_name))

        if not (cert_id in owners_direct):

            # the owner owns an upper vgrid, ownership is inherited
            # cannot remove, not last (inherited) owner

            logger.warning('Cannot delete: Inherited ownership.' +
                           '\n Owners: %s,\n Direct owners: %s.'
                           % (owners, owners_direct))
            output_objects.append({'object_type': 'error_text', 'text':
                                   '''%s is owner of a parent %s. 
Owner removal has to be performed at the topmost vgrid''' %
                                   (cert_id, label)})
            return (output_objects, returnvalues.CLIENT_ERROR)

        else:

            # Remove any tracker admin rights

            if configuration.trac_admin_path:
                public_tracker_dir = \
                    os.path.abspath(os.path.join(
                        configuration.vgrid_public_base, vgrid_name,
                        '.vgridtracker'))
                private_tracker_dir = \
                    os.path.abspath(os.path.join(
                        configuration.vgrid_private_base, vgrid_name,
                        '.vgridtracker'))
                vgrid_tracker_dir = \
                    os.path.abspath(os.path.join(
                        configuration.vgrid_files_home, vgrid_name,
                        '.vgridtracker'))
                for tracker_dir in [public_tracker_dir, private_tracker_dir,
                                    vgrid_tracker_dir]:
                    if not rm_tracker_admin(configuration, cert_id,
                                            vgrid_name, tracker_dir,
                                            output_objects):
                        return (output_objects, returnvalues.SYSTEM_ERROR)

            user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                                    cert_dir)) + os.sep

            # Do not touch vgrid share if still a member of a parent vgrid

            if vgrid_is_member(vgrid_name, cert_id, configuration):
                # list is in top-down order
                parent_vgrids = vgrid_list_parents(vgrid_name, configuration)
                inherit_vgrid_member = vgrid_name
                for parent in parent_vgrids:
                    if vgrid_is_member(parent, cert_id, configuration,
                                       recursive=False):
                        inherit_vgrid_member = parent
                        break
                output_objects.append(
                    {'object_type': 'text', 'text':
                     '''NOTE: %s is still a member of parent %s %s.
Preserving access to corresponding %s.''' % (cert_id, label,
                                             inherit_vgrid_member, label)})
            else:
                (success, msg) = unlink_share(user_dir, vgrid_name)
                if not success:
                    logger.error('Could not remove share link: %s.' % msg)
                    output_objects.append({'object_type': 'error_text', 'text':
                                           'Could not remove share links: %s.'
                                           % msg})
                    return (output_objects, returnvalues.SYSTEM_ERROR)

            # unlink shared web folders

            (success, msg) = unlink_web_folders(user_dir, vgrid_name)
            if not success:
                logger.error('Could not remove web links: %s.' % msg)
                output_objects.append({'object_type': 'error_text', 'text':
                                       'Could not remove web links: %s.'
                                       % msg})
                return (output_objects, returnvalues.SYSTEM_ERROR)

            # remove user from saved owners list
            (rm_status, rm_msg) = vgrid_remove_owners(configuration, vgrid_name,
                                                      [cert_id])
            if not rm_status:
                output_objects.append({'object_type': 'error_text', 'text':
                                       '%s of owners of %s'
                                       % (rm_msg, vgrid_name)})
                return (output_objects, returnvalues.SYSTEM_ERROR)

            # Any parent vgrid membership is left untouched here as we only
            # force a normal refresh in unmap_inheritance
            unmap_inheritance(configuration, vgrid_name, cert_id)

            output_objects.append({'object_type': 'text', 'text':
                                   '%s successfully removed as owner of %s!'
                                   % (cert_id, vgrid_name)})
            output_objects.append({'object_type': 'link', 'destination':
                                   'adminvgrid.py?vgrid_name=%s' % vgrid_name, 'text':
                                   'Back to administration for %s' % vgrid_name})
            return (output_objects, returnvalues.OK)

    else:

        # no more direct owners - we try to remove this VGrid

        logger.debug('Leave %s from %s with no more direct owners: delete' %
                     (vgrid_name, cert_id))

        if not force(flags):
            output_objects.append({'object_type': 'text', 'text': '''
No more direct owners of %s - leaving will result in the %s getting
deleted. Please use either of the links below to confirm or cancel.
''' % (vgrid_name, label)})
            # Reuse csrf token from this request
            target_op = 'rmvgridowner'
            js_name = target_op
            csrf_token = accepted[csrf_field][-1]
            helper = html_post_helper(js_name, '%s.py' % target_op,
                                      {'vgrid_name': vgrid_name,
                                       'cert_id': cert_id, 'flags': 'f',
                                       csrf_field: csrf_token})
            output_objects.append({'object_type': 'html_form', 'text': helper})
            output_objects.append({'object_type': 'link', 'destination':
                                   "javascript: %s();" % js_name, 'class':
                                   'removelink iconspace', 'text':
                                   'Really leave and delete %s' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text': ''})
            output_objects.append({'object_type': 'link', 'destination':
                                   'adminvgrid.py?vgrid_name=%s' % vgrid_name,
                                   'text': 'Back to administration for %s'
                                   % vgrid_name})
            return (output_objects, returnvalues.OK)

        # check if any resources participate or sub-vgrids depend on this one

        (list_status, subs) = vgrid_list_subvgrids(vgrid_name, configuration)

        if not list_status:
            logger.error('Error loading sub-vgrid for %s: %s)' % (vgrid_name,
                                                                  subs))
            output_objects.append({'object_type': 'error_text', 'text': '''
An internal error occurred, error conditions have been logged.'''})
            output_objects.append({'object_type': 'text', 'text': '''
You can help us fix the problem by notifying the administrators
via mail about what you wanted to do when the error happened.'''})
            return (output_objects, returnvalues.CLIENT_ERROR)

        if len(subs) > 0:
            logger.debug('Cannot delete: still has sub-vgrids: %s' % subs)
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '%s has one or more child %ss and cannot be deleted.' %
                 (vgrid_name, label)})
            output_objects.append(
                {'object_type': 'text', 'text': '''To leave (and delete) %s
first remove all its children: %s.''' % (vgrid_name, ', '.join(subs))})
            return (output_objects, returnvalues.CLIENT_ERROR)

        # we consider the local members and resources here, not inherited ones

        (member_status, members_direct) = vgrid_members(vgrid_name,
                                                        configuration,
                                                        False)
        (resource_status, resources_direct) = vgrid_resources(vgrid_name,
                                                              configuration,
                                                              False)
        if not member_status or not resource_status:
            logger.warning('failed to load %s members or resources: %s %s'
                           % (vgrid_name, members_direct, resources_direct))
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 'could not load %s members or resources for %s.' %
                 (label, vgrid_name)})
            return (output_objects, returnvalues.SYSTEM_ERROR)
        if len(resources_direct) > 0:
            logger.debug('Cannot delete: still has direct resources %s.'
                         % resources_direct)
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '%s still has resources and cannot be deleted.' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text': '''
To leave (and delete) %s, first remove the participating resources.'''
                                   % vgrid_name})

            return (output_objects, returnvalues.CLIENT_ERROR)

        if len(members_direct) > 0:

            logger.debug('Cannot delete: still has direct members %s.'
                         % members_direct)
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '%s still has members and cannot be deleted.' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text': '''
To leave (and delete) %s, first remove all members.'''
                                   % vgrid_name})

            return (output_objects, returnvalues.CLIENT_ERROR)

        # Deleting write restricted VGrid is not allowed

        (load_status, saved_settings) = vgrid_settings(vgrid_name,
                                                       configuration,
                                                       recursive=True,
                                                       as_dict=True)
        if not load_status:
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 'failed to load saved %s settings' % vgrid_name})
            return (output_objects, returnvalues.SYSTEM_ERROR)

        if saved_settings.get('write_shared_files', keyword_members) != \
                keyword_members:
            logger.warning("%s can't delete vgrid %s - write limited!"
                           % (client_id, vgrid_name))
            output_objects.append(
                {'object_type': 'error_text', 'text': """You can't delete
write-restricted %ss - first remove any write restrictions for shared files
on the admin page and then try again.""" % label})
            return (output_objects, returnvalues.CLIENT_ERROR)

        # When reaching here, OK to remove the VGrid.
        #   if top-level: unlink, remove all files and directories,
        #   in all cases: remove configuration entry for the VGrid
        #   unlink and move new-style vgrid sub dir to parent

        logger.info('Deleting %s and all related data as requested by %s' %
                    (vgrid_name, cert_id))

        if (cert_id in owners_direct):

            # owner owns this vgrid, direct ownership

            logger.debug('%s looks like a top-level vgrid.' % vgrid_name)
            logger.debug('Deleting all related files.')

            user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                                    cert_dir)) + os.sep
            (share_lnk, share_msg) = unlink_share(user_dir, vgrid_name)
            (web_lnk, web_msg) = unlink_web_folders(user_dir, vgrid_name)
            (files_act, files_msg) = abandon_vgrid_files(vgrid_name,
                                                         configuration)
        else:

            # owner owns some parent vgrid - ownership is only inherited

            logger.debug('%s looks like a sub-vgrid, ownership inherited.' %
                         vgrid_name)
            logger.debug('Only removing entry, leaving files in place.')
            share_lnk, share_msg = True, ''
            web_lnk, web_msg = True, ''
            (files_act, files_msg) = inherit_vgrid_files(vgrid_name,
                                                         configuration)

        (removed, entry_msg) = remove_vgrid_entry(vgrid_name, configuration)

        output_objects.append({'object_type': 'text', 'text':
                               '%s has been removed with last owner.'
                               % vgrid_name})

        output_objects.append({'object_type': 'link',
                               'destination': 'vgridman.py',
                               'text': 'Back to the overview.'})

        if not share_lnk or not web_lnk or not files_act or not removed:
            err = '\n'.join([share_msg, web_msg, files_msg, entry_msg])
            logger.error('Errors while removing %s:\n%s.' % (vgrid_name, err))

            output_objects.append({'object_type': 'error_text', 'text': '''
An internal error occurred, error conditions have been logged.'''})
            output_objects.append({'object_type': 'text', 'text': '''
You can help us fix the problem by notifying the administrators
via mail about what you wanted to do when the error happened.'''})
            return (output_objects, returnvalues.CLIENT_ERROR)

        else:

            # Remove vgrid from vgrid cache (after deleting all)
            unmap_vgrid(configuration, vgrid_name)
            return (output_objects, returnvalues.OK)
Beispiel #2
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    output_objects.append({'object_type': 'header', 'text'
                          : 'Add %s Member' % configuration.site_vgrid_label})
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
        )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    if not correct_handler('POST'):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : 'Only accepting POST requests to prevent unintended updates'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1].strip()
    cert_id = accepted['cert_id'][-1].strip()
    cert_dir = client_id_dir(cert_id)

    # Allow openid alias as subject if openid with alias is enabled
    if configuration.user_openid_providers and configuration.user_openid_alias:
        cert_id = expand_openid_alias(cert_id, configuration)

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'member', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text'
                              : msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already an owner

    if vgrid_is_owner(vgrid_name, cert_id, configuration):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '%s is already an owner of %s or a parent %s.'
             % (cert_id, vgrid_name, configuration.site_vgrid_label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already a member

    if vgrid_is_member(vgrid_name, cert_id, configuration):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '''%s is already a member of %s or a parent %s. Please remove
the person first and then try this operation again.''' % \
             (cert_id, vgrid_name, configuration.site_vgrid_label)
             })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # owner or member of subvgrid?

    (status, subvgrids) = vgrid_list_subvgrids(vgrid_name,
            configuration)
    if not status:
        output_objects.append({'object_type': 'error_text', 'text'
                              : 'Error getting list of sub%ss: %s'
                               % (configuration.site_vgrid_label, subvgrids)})
        return (output_objects, returnvalues.SYSTEM_ERROR)

    # TODO: we DO allow ownership of sub vgrids with parent membership so we
    # should support the (cumbersome) relinking of vgrid shares here. Leave it
    # to user to do it manually for now with temporary removal of ownership

    for subvgrid in subvgrids:
        if vgrid_is_owner(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : """%(cert_id)s is already an owner of a sub-%(_label)s
('%(subvgrid)s'). While we DO support members being owners of sub-%(_label)ss,
we do not support adding parent %(_label)s members at the moment. Please
(temporarily) remove the person as owner of all sub-%(_label)ss first and then
try this operation again.""" % {'cert_id': cert_id, 'subvgrid': subvgrid,
                                '_label': configuration.site_vgrid_label}})
            return (output_objects, returnvalues.CLIENT_ERROR)
        if vgrid_is_member(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : """%s is already a member of a sub-%s ('%s'). Please
remove the person first and then try this operation again.""" % \
                 (cert_id, configuration.site_vgrid_label, subvgrid)})
            return (output_objects, returnvalues.CLIENT_ERROR)

    # getting here means cert_id is neither owner or member of any parent or
    # sub-vgrids.

    # Please note that base_dir must end in slash to avoid access to other
    # vgrid dirs when own name is a prefix of another name

    base_dir = os.path.abspath(os.path.join(configuration.vgrid_home,
                               vgrid_name)) + os.sep
    user_dir = os.path.abspath(os.path.join(configuration.user_home,
                               cert_dir)) + os.sep

    # make sure all dirs can be created (that a file or directory with the same
    # name do not exist prior to adding the member)

    if os.path.exists(user_dir + vgrid_name):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '''Could not add member, a file or directory in the home
directory called %s exists! (%s)''' % (vgrid_name, user_dir + vgrid_name)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # Add

    (add_status, add_msg) = vgrid_add_members(configuration, vgrid_name,
                                              [cert_id])
    if not add_status:
        output_objects.append({'object_type': 'error_text', 'text'
                              : add_msg})
        return (output_objects, returnvalues.SYSTEM_ERROR)

    vgrid_name_parts = vgrid_name.split('/')
    is_subvgrid = len(vgrid_name_parts) > 1

    if is_subvgrid:
        try:

            # vgrid_name = IMADA/STUD/BACH
            # vgrid_name_last_fragment = BACH

            vgrid_name_last_fragment = \
                vgrid_name_parts[len(vgrid_name_parts)
                                     - 1].strip()

            # vgrid_name_without_last_fragment = IMADA/STUD/

            vgrid_name_without_last_fragment = \
                ('/'.join(vgrid_name_parts[0:len(vgrid_name_parts)
                  - 1]) + os.sep).strip()

            # create dirs if they do not exist

            dir1 = user_dir + vgrid_name_without_last_fragment
            if not os.path.isdir(dir1):
                os.makedirs(dir1)
        except Exception, exc:

            # out of range? should not be possible due to is_subvgrid check

            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : ('Could not create needed dirs on %s server! %s'
                    % (configuration.short_title, exc))})
            logger.error('%s when looking for dir %s.' % (exc, dir1))
            return (output_objects, returnvalues.SYSTEM_ERROR)
Beispiel #3
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    output_objects.append({'object_type': 'header', 'text'
                          : 'Add %s Owner' % configuration.site_vgrid_label})
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
        )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    if not correct_handler('POST'):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : 'Only accepting POST requests to prevent unintended updates'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1].strip()
    cert_id = accepted['cert_id'][-1].strip()
    cert_dir = client_id_dir(cert_id)
    # inherited vgrid membership
    inherit_vgrid_member = False

    # Allow openid alias as subject if openid with alias is enabled
    if configuration.user_openid_providers and configuration.user_openid_alias:
        cert_id = expand_openid_alias(cert_id, configuration)

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'owner', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text'
                              : msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already an owner

    if vgrid_is_owner(vgrid_name, cert_id, configuration):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '%s is already an owner of %s or a parent %s.'
             % (cert_id, vgrid_name, configuration.site_vgrid_label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already a direct member

    if vgrid_is_member(vgrid_name, cert_id, configuration, recursive=False):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '%s is already a member of %s - please remove first.'
             % (cert_id, vgrid_name)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # owner of subvgrid?

    (status, subvgrids) = vgrid_list_subvgrids(vgrid_name,
            configuration)
    if not status:
        output_objects.append({'object_type': 'error_text', 'text'
                              : 'Error getting list of sub%ss: %s'
                               % (configuration.site_vgrid_label, subvgrids)})
        return (output_objects, returnvalues.SYSTEM_ERROR)

    for subvgrid in subvgrids:
        if vgrid_is_owner(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : """%s is already an owner of a sub-%s ('%s'). Please
remove the person first and then try this operation again.""" % \
                 (cert_id, configuration.site_vgrid_label, subvgrid)})
            return (output_objects, returnvalues.CLIENT_ERROR)
        if vgrid_is_member(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : """%s is already a member of a sub-%s ('%s'). Please
remove the person first and then try this operation again.""" % \
                 (cert_id, configuration.site_vgrid_label, subvgrid)})
            return (output_objects, returnvalues.CLIENT_ERROR)

    # we DO allow ownership if member of parent vgrid - only handle with care

    if vgrid_is_member(vgrid_name, cert_id, configuration):
        # list is in top-down order 
        parent_vgrids = vgrid_list_parents(vgrid_name, configuration)
        inherit_vgrid_member = vgrid_name
        for parent in parent_vgrids:
            if vgrid_is_member(parent, cert_id, configuration,
                               recursive=False):
                inherit_vgrid_member = parent
                break
        output_objects.append(
            {'object_type': 'text', 'text'
             : '''NOTE: %s is already a member of parent %s %s.''' % \
             (cert_id, configuration.site_vgrid_label, inherit_vgrid_member)
             })

    # getting here means cert_id is not owner of any parent or child vgrids.
    # may still be member of a parent grid but not a child vgrid.

    public_base_dir = \
        os.path.abspath(os.path.join(configuration.vgrid_public_base,
                        vgrid_name)) + os.sep
    private_base_dir = \
        os.path.abspath(os.path.join(configuration.vgrid_private_base,
                        vgrid_name)) + os.sep

    # Please note that base_dir must end in slash to avoid access to other
    # user dirs when own name is a prefix of another user name

    user_dir = os.path.abspath(os.path.join(configuration.user_home,
                               cert_dir)) + os.sep

    user_public_base = os.path.abspath(os.path.join(user_dir,
            'public_base')) + os.sep
    user_private_base = os.path.abspath(os.path.join(user_dir,
            'private_base')) + os.sep

    # make sure all dirs can be created (that a file or directory with the same
    # name do not exist prior to adding the owner)

    if os.path.exists(user_public_base + vgrid_name):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '''Could not add owner, a file or directory in public_base
exists with the same name! %s''' % user_dir + vgrid_name})
        return (output_objects, returnvalues.CLIENT_ERROR)

    if os.path.exists(user_private_base + vgrid_name):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '''Could not add owner, a file or directory in private_base
exists with the same name!'''})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # vgrid share already exists if user is a member of parent vgrid
    
    if not inherit_vgrid_member and os.path.exists(user_dir + vgrid_name):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : '''Could not add owner, a file or directory in the home
directory exists with the same name!'''})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # Add

    (add_status, add_msg) = vgrid_add_owners(configuration, vgrid_name,
                                             [cert_id])
    if not add_status:
        output_objects.append({'object_type': 'error_text', 'text'
                              : add_msg})
        return (output_objects, returnvalues.SYSTEM_ERROR)

    vgrid_name_parts = vgrid_name.split('/')
    is_subvgrid = len(vgrid_name_parts) > 1

    # create public_base in cert_ids home dir if it does not exists

    try:
        os.mkdir(user_public_base)
    except Exception, exc:
        pass
Beispiel #4
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    output_objects.append({'object_type': 'header', 'text'
                          : 'Remove %s Member' % configuration.site_vgrid_label})
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
        )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    if not correct_handler('POST'):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : 'Only accepting POST requests to prevent unintended updates'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1]
    cert_id = accepted['cert_id'][-1]
    cert_dir = client_id_dir(cert_id)

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'member', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text'
                              : msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't remove if not a member

    if not vgrid_is_member(vgrid_name, cert_id, configuration):
        output_objects.append({'object_type': 'error_text', 'text'
                              : '%s is not a member of %s or a parent %s.'
                               % (cert_id, vgrid_name,
                                  configuration.site_vgrid_label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # owner of subvgrid?

    (status, subvgrids) = vgrid_list_subvgrids(vgrid_name,
            configuration)
    if not status:
        output_objects.append({'object_type': 'error_text', 'text'
                              : 'Error getting list of sub%ss: %s'
                               % (configuration.site_vgrid_label, subvgrids)})
        return (output_objects, returnvalues.SYSTEM_ERROR)

    # TODO: we DO allow ownership of sub vgrids with parent membership so we
    # should support the (cumbersome) relinking of vgrid shares here. Leave it
    # to user to do it manually for now with temporary removal of ownership

    for subvgrid in subvgrids:
        if vgrid_is_owner(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append(
                {'object_type': 'error_text', 'text'
                 : """%(cert_id)s is already an owner of a sub-%(_label)s
('%(subvgrid)s'). While we DO support members being owners of sub-%(_label)ss,
we do not support removing parent %(_label)s members at the moment. Please
(temporarily) remove the person as owner of all sub %(_label)ss first and then
try this operation again.""" % {'cert_id': cert_id, 'subvgrid': subvgrid,
                                '_label': configuration.site_vgrid_label}})
            return (output_objects, returnvalues.CLIENT_ERROR)

    # Please note that base_dir must end in slash to avoid access to other
    # vgrid dirs when own name is a prefix of another name

    base_dir = os.path.abspath(os.path.join(configuration.vgrid_home,
                               vgrid_name)) + os.sep

    # remove symlink from users home directory to vgrid directory

    # Please note that base_dir must end in slash to avoid access to other
    # user dirs when own name is a prefix of another user name

    user_dir = os.path.abspath(os.path.join(configuration.user_home,
                               cert_dir)) + os.sep

    dst = user_dir + vgrid_name
    try:
        os.remove(dst)
    except Exception, exc:

        # ouch, not good. Email admin?

        pass
Beispiel #5
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = "Add %s Member" % label
    output_objects.append({'object_type': 'header', 'text':
                           'Add %s Member(s)' % label})
    status = returnvalues.OK
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
    )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1].strip()
    cert_id_list = accepted['cert_id']
    request_name = unhexlify(accepted['request_name'][-1])
    rank_list = accepted['rank'] + ['' for _ in cert_id_list]

    if not safe_handler(configuration, 'post', op_name, client_id,
                        get_csrf_limit(configuration), accepted):
        output_objects.append(
            {'object_type': 'error_text', 'text': '''Only accepting
CSRF-filtered POST requests to prevent unintended updates'''
             })
        return (output_objects, returnvalues.CLIENT_ERROR)

    user_map = get_full_user_map(configuration)
    user_dict = user_map.get(client_id, None)
    # Optional site-wide limitation of manage vgrid permission
    if not user_dict or \
            not vgrid_manage_allowed(configuration, user_dict):
        logger.warning("user %s is not allowed to manage vgrids!" % client_id)
        output_objects.append(
            {'object_type': 'error_text', 'text':
             'Only privileged users can manage %ss' % label})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # make sure vgrid settings allow this owner to edit members

    (allow_status, allow_msg) = allow_members_adm(configuration, vgrid_name,
                                                  client_id)
    if not allow_status:
        output_objects.append({'object_type': 'error_text', 'text': allow_msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    cert_id_added = []
    for (cert_id, rank_str) in zip(cert_id_list, rank_list):
        cert_id = cert_id.strip()
        cert_dir = client_id_dir(cert_id)
        try:
            rank = int(rank_str)
        except ValueError:
            rank = None

        # Allow openid alias as subject if openid with alias is enabled
        if configuration.user_openid_providers and configuration.user_openid_alias:
            cert_id = expand_openid_alias(cert_id, configuration)

        # Validity of user and vgrid names is checked in this init function so
        # no need to worry about illegal directory traversal through variables

        (ret_val, msg, _) = \
            init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                      'member', configuration)
        if not ret_val:
            output_objects.append({'object_type': 'error_text', 'text':
                                   msg})
            status = returnvalues.CLIENT_ERROR
            continue

        # don't add if already an owner

        if vgrid_is_owner(vgrid_name, cert_id, configuration):
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '%s is already an owner of %s or a parent %s.' %
                 (cert_id, vgrid_name, label)})
            status = returnvalues.CLIENT_ERROR
            continue

        # don't add if already a member unless rank is given

        if rank is None and vgrid_is_member(vgrid_name, cert_id, configuration):
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '''%s is already a member of %s or a parent %s. Please remove
    the person first and then try this operation again.''' %
                 (cert_id, vgrid_name, label)
                 })
            status = returnvalues.CLIENT_ERROR
            continue

        # owner or member of subvgrid?

        (list_status, subvgrids) = vgrid_list_subvgrids(vgrid_name,
                                                        configuration)
        if not list_status:
            output_objects.append({'object_type': 'error_text', 'text':
                                   'Error getting list of sub%ss: %s' %
                                   (label, subvgrids)})
            status = returnvalues.SYSTEM_ERROR
            continue

        # TODO: we DO allow ownership of sub vgrids with parent membership so we
        # should support the (cumbersome) relinking of vgrid shares here. Leave it
        # to user to do it manually for now with temporary removal of ownership

        skip_entity = False
        for subvgrid in subvgrids:
            if vgrid_is_owner(subvgrid, cert_id, configuration, recursive=False):
                output_objects.append(
                    {'object_type': 'error_text', 'text':
                     """%(cert_id)s is already an owner of a
sub-%(vgrid_label)s ('%(subvgrid)s'). While we DO support members being owners
of sub-%(vgrid_label)ss, we do not support adding parent %(vgrid_label)s
members at the moment. Please (temporarily) remove the person as owner of all
sub-%(vgrid_label)ss first and then try this operation again.""" %
                     {'cert_id': cert_id, 'subvgrid': subvgrid,
                      'vgrid_label': label}})
                status = returnvalues.CLIENT_ERROR
                skip_entity = True
                break
            if vgrid_is_member(subvgrid, cert_id, configuration, recursive=False):
                output_objects.append(
                    {'object_type': 'error_text', 'text':
                     """%s is already a member of a sub-%s ('%s'). Please
remove the person first and then try this operation again.""" %
                     (cert_id, label, subvgrid)})
                status = returnvalues.CLIENT_ERROR
                skip_entity = True
                break
        if skip_entity:
            continue

        # Check if only rank change was requested and apply if so

        if rank is not None:
            (add_status, add_msg) = vgrid_add_members(configuration,
                                                      vgrid_name,
                                                      [cert_id], rank=rank)
            if not add_status:
                output_objects.append(
                    {'object_type': 'error_text', 'text': add_msg})
                status = returnvalues.SYSTEM_ERROR
            else:
                output_objects.append({'object_type': 'text', 'text':
                                       'changed %s to member %d' % (cert_id,
                                                                    rank)})
            # No further action after rank change as everything else exists
            continue

        # Getting here means cert_id is neither owner or member of any parent or
        # sub-vgrids.

        # Please note that base_dir must end in slash to avoid access to other
        # vgrid dirs when own name is a prefix of another name

        base_dir = os.path.abspath(os.path.join(configuration.vgrid_home,
                                                vgrid_name)) + os.sep
        user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                                cert_dir)) + os.sep

        # make sure all dirs can be created (that a file or directory with the same
        # name do not exist prior to adding the member)

        if os.path.exists(user_dir + vgrid_name):
            output_objects.append(
                {'object_type': 'error_text', 'text':
                 '''Could not add member, a file or directory in the home
directory called %s exists! (%s)''' % (vgrid_name, user_dir + vgrid_name)})
            status = returnvalues.CLIENT_ERROR
            continue

        # Add

        (add_status, add_msg) = vgrid_add_members(configuration, vgrid_name,
                                                  [cert_id])
        if not add_status:
            output_objects.append(
                {'object_type': 'error_text', 'text': add_msg})
            status = returnvalues.SYSTEM_ERROR
            continue

        vgrid_name_parts = vgrid_name.split('/')
        is_subvgrid = len(vgrid_name_parts) > 1

        if is_subvgrid:
            try:

                # vgrid_name = IMADA/STUD/BACH
                # vgrid_name_last_fragment = BACH

                vgrid_name_last_fragment = \
                    vgrid_name_parts[len(vgrid_name_parts)
                                     - 1].strip()

                # vgrid_name_without_last_fragment = IMADA/STUD/

                vgrid_name_without_last_fragment = \
                    ('/'.join(vgrid_name_parts[0:len(vgrid_name_parts)
                                               - 1]) + os.sep).strip()

                # create dirs if they do not exist

                dir1 = user_dir + vgrid_name_without_last_fragment
                if not os.path.isdir(dir1):
                    os.makedirs(dir1)
            except Exception, exc:

                # out of range? should not be possible due to is_subvgrid check

                output_objects.append(
                    {'object_type': 'error_text', 'text':
                     ('Could not create needed dirs on %s server! %s'
                      % (configuration.short_title, exc))})
                logger.error('%s when looking for dir %s.' % (exc, dir1))
                status = returnvalues.SYSTEM_ERROR
                continue

        # create symlink from users home directory to vgrid file directory

        link_src = os.path.abspath(configuration.vgrid_files_home + os.sep
                                   + vgrid_name) + os.sep
        link_dst = user_dir + vgrid_name

        # create symlink to vgrid files

        if not make_symlink(link_src, link_dst, logger):
            output_objects.append({'object_type': 'error_text', 'text':
                                   'Could not create link to %s files!' %
                                   label
                                   })
            logger.error('Could not create link to %s files! (%s -> %s)' %
                         (label, link_src, link_dst))
            status = returnvalues.SYSTEM_ERROR
            continue
        cert_id_added.append(cert_id)
Beispiel #6
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = "Remove %s Member" % label
    output_objects.append({
        'object_type': 'header',
        'text': 'Remove %s Member' % label
    })
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
    )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1]
    cert_id = accepted['cert_id'][-1]
    cert_dir = client_id_dir(cert_id)

    if not safe_handler(configuration, 'post', op_name, client_id,
                        get_csrf_limit(configuration), accepted):
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            '''Only accepting
CSRF-filtered POST requests to prevent unintended updates'''
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # always allow member to remove self
    if client_id != cert_id:
        user_map = get_full_user_map(configuration)
        user_dict = user_map.get(client_id, None)
        # Optional site-wide limitation of manage vgrid permission
        if not user_dict or \
                not vgrid_manage_allowed(configuration, user_dict):
            logger.warning("user %s is not allowed to manage vgrids!" %
                           client_id)
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Only privileged users can manage %ss' % label
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

        # make sure vgrid settings allow this owner to edit other members
        (allow_status, allow_msg) = allow_members_adm(configuration,
                                                      vgrid_name, client_id)
        if not allow_status:
            output_objects.append({
                'object_type': 'error_text',
                'text': allow_msg
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'member', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text': msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't remove if not a member

    if not vgrid_is_member(vgrid_name, cert_id, configuration):
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            '%s is not a member of %s or a parent %s.' %
            (cert_id, vgrid_name, label)
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # owner of subvgrid?

    (list_status, subvgrids) = vgrid_list_subvgrids(vgrid_name, configuration)
    if not list_status:
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            'Error getting list of sub%ss: %s' % (label, subvgrids)
        })
        return (output_objects, returnvalues.SYSTEM_ERROR)

    # TODO: we DO allow ownership of sub vgrids with parent membership so we
    # should support the (cumbersome) relinking of vgrid shares here. Leave it
    # to user to do it manually for now with temporary removal of ownership

    for subvgrid in subvgrids:
        if vgrid_is_owner(subvgrid, cert_id, configuration, recursive=False):
            output_objects.append({
                'object_type': 'error_text',
                'text':
                """%(cert_id)s is already an owner of a sub-%(vgrid_label)s
('%(subvgrid)s'). While we DO support members being owners of
sub-%(vgrid_label)ss, we do not support removing parent %(vgrid_label)s members
at the moment. Please (temporarily) remove the person as owner of all
sub-%(vgrid_label)ss first and then try this operation again.""" % {
                    'cert_id': cert_id,
                    'subvgrid': subvgrid,
                    'vgrid_label': label
                }
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

    # Please note that base_dir must end in slash to avoid access to other
    # vgrid dirs when own name is a prefix of another name

    base_dir = os.path.abspath(
        os.path.join(configuration.vgrid_home, vgrid_name)) + os.sep

    # remove symlink from users home directory to vgrid directory

    # Please note that base_dir must end in slash to avoid access to other
    # user dirs when own name is a prefix of another user name

    user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                            cert_dir)) + os.sep

    dst = user_dir + vgrid_name
    try:
        os.remove(dst)
    except Exception, exc:

        # ouch, not good. Email admin?

        pass
Beispiel #7
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = '%s send request' % configuration.short_title
    output_objects.append({
        'object_type': 'header',
        'text': '%s send request' % configuration.short_title
    })
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
    )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    target_id = client_id
    vgrid_name = accepted['vgrid_name'][-1].strip()
    visible_user_names = accepted['cert_id']
    visible_res_names = accepted['unique_resource_name']
    request_type = accepted['request_type'][-1].strip().lower()
    request_text = accepted['request_text'][-1].strip()
    protocols = [proto.strip() for proto in accepted['protocol']]
    use_any = False
    if any_protocol in protocols:
        use_any = True
        protocols = configuration.notify_protocols
    protocols = [proto.lower() for proto in protocols]

    if not safe_handler(configuration, 'post', op_name, client_id,
                        get_csrf_limit(configuration), accepted):
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            '''Only accepting
CSRF-filtered POST requests to prevent unintended updates'''
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    valid_request_types = [
        'resourceowner', 'resourceaccept', 'resourcereject', 'vgridowner',
        'vgridmember', 'vgridresource', 'vgridaccept', 'vgridreject', 'plain'
    ]
    if not request_type in valid_request_types:
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            '%s is not a valid request_type (valid types: %s)!' %
            (request_type.lower(), valid_request_types)
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    if not protocols:
        output_objects.append({
            'object_type': 'error_text',
            'text': 'No protocol specified!'
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    user_map = get_user_map(configuration)
    reply_to = user_map[client_id][USERID]
    # Try to point replies to client_id email
    client_email = extract_field(reply_to, 'email')

    if request_type == "plain":
        if not visible_user_names:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No user ID specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

        user_id = visible_user_names[-1].strip()
        anon_map = anon_to_real_user_map(configuration)
        if anon_map.has_key(user_id):
            user_id = anon_map[user_id]
        if not user_map.has_key(user_id):
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No such user: %s' % user_id
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_name = user_id
        user_dict = user_map[user_id]
        vgrid_access = user_vgrid_access(configuration, client_id)
        vgrids_allow_email = user_dict[CONF].get('VGRIDS_ALLOW_EMAIL', [])
        vgrids_allow_im = user_dict[CONF].get('VGRIDS_ALLOW_IM', [])
        if any_vgrid in vgrids_allow_email:
            email_vgrids = vgrid_access
        else:
            email_vgrids = set(vgrids_allow_email).intersection(vgrid_access)
        if any_vgrid in vgrids_allow_im:
            im_vgrids = vgrid_access
        else:
            im_vgrids = set(vgrids_allow_im).intersection(vgrid_access)
        if use_any:
            # Do not try disabled protocols if ANY was requested
            if not email_vgrids:
                protocols = [
                    proto for proto in protocols
                    if proto not in email_keyword_list
                ]
            if not im_vgrids:
                protocols = [
                    proto for proto in protocols if proto in email_keyword_list
                ]
        if not email_vgrids and [
                proto for proto in protocols if proto in email_keyword_list
        ]:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'You are not allowed to send emails to %s!' % user_id
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not im_vgrids and [
                proto for proto in protocols if proto not in email_keyword_list
        ]:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'You are not allowed to send instant messages to %s!' % user_id
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        for proto in protocols:
            if not user_dict[CONF].get(proto.upper(), False):
                if use_any:
                    # Remove missing protocols if ANY protocol was requested
                    protocols = [i for i in protocols if i != proto]
                else:
                    output_objects.append({
                        'object_type':
                        'error_text',
                        'text':
                        'User %s does not accept %s messages!' %
                        (user_id, proto)
                    })
                    return (output_objects, returnvalues.CLIENT_ERROR)
        if not protocols:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'User %s does not accept requested protocol(s) messages!' %
                user_id
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_list = [user_id]
    elif request_type in ["vgridaccept", "vgridreject"]:
        # Always allow accept messages but only between owners/members
        if not visible_user_names and not visible_res_names:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No user or resource ID specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not vgrid_name:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No vgrid_name specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if vgrid_name.upper() == default_vgrid.upper():
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'No requests for %s are allowed!' % default_vgrid
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not vgrid_is_owner(vgrid_name, client_id, configuration):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'You are not an owner of %s or a parent %s!' %
                (vgrid_name, label)
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        # NOTE: we support exactly one vgrid but multiple users/resources here
        if visible_user_names:
            logger.info("setting user recipients: %s" % visible_user_names)
            target_list = [user_id.strip() for user_id in visible_user_names]
        elif visible_res_names:
            # vgrid resource accept - lookup and notify resource owners
            logger.info("setting res owner recipients: %s" % visible_res_names)
            target_list = []
            for unique_resource_name in visible_res_names:
                logger.info("loading res owners for %s" % unique_resource_name)
                (load_status,
                 res_owners) = resource_owners(configuration,
                                               unique_resource_name)
                if not load_status:
                    output_objects.append({
                        'object_type':
                        'error_text',
                        'text':
                        'Could not lookup owners of %s!' % unique_resource_name
                    })
                    continue
                logger.info("adding res owners to recipients: %s" % res_owners)
                target_list += [user_id for user_id in res_owners]

        target_id = '%s %s owners' % (vgrid_name, label)
        target_name = vgrid_name
    elif request_type in ["resourceaccept", "resourcereject"]:
        # Always allow accept messages between actual resource owners
        if not visible_user_names:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No user ID specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not visible_res_names:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No resource ID specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        # NOTE: we support exactly one resource but multiple users here
        unique_resource_name = visible_res_names[-1].strip()
        target_name = unique_resource_name
        res_map = get_resource_map(configuration)
        if not res_map.has_key(unique_resource_name):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'No such resource: %s' % unique_resource_name
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        owners_list = res_map[unique_resource_name][OWNERS]
        if not client_id in owners_list:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'You are not an owner of %s!' % unique_resource_name
            })
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Invalid resource %s message!' % request_type
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_id = '%s resource owners' % unique_resource_name
        target_name = unique_resource_name
        target_list = [user_id.strip() for user_id in visible_user_names]
    elif request_type == "resourceowner":
        if not visible_res_names:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No resource ID specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        # NOTE: we support exactly one resource but multiple users here
        unique_resource_name = visible_res_names[-1].strip()
        anon_map = anon_to_real_res_map(configuration.resource_home)
        if anon_map.has_key(unique_resource_name):
            unique_resource_name = anon_map[unique_resource_name]
        target_name = unique_resource_name
        res_map = get_resource_map(configuration)
        if not res_map.has_key(unique_resource_name):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'No such resource: %s' % unique_resource_name
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_list = res_map[unique_resource_name][OWNERS]
        if client_id in target_list:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'You are already an owner of %s!' % unique_resource_name
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

        request_dir = os.path.join(configuration.resource_home,
                                   unique_resource_name)
        access_request = {
            'request_type': request_type,
            'entity': client_id,
            'target': unique_resource_name,
            'request_text': request_text
        }
        if not save_access_request(configuration, request_dir, access_request):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Could not save request - owners may still manually add you'
            })
            return (output_objects, returnvalues.SYSTEM_ERROR)
    elif request_type in ["vgridmember", "vgridowner", "vgridresource"]:
        if not vgrid_name:
            output_objects.append({
                'object_type': 'error_text',
                'text': 'No vgrid_name specified!'
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

        # default vgrid is read-only

        if vgrid_name.upper() == default_vgrid.upper():
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'No requests for %s are not allowed!' % default_vgrid
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

        # stop owner or member request if already an owner
        # and prevent repeated resource access requests

        if request_type == 'vgridresource':
            # NOTE: we support exactly one resource here
            unique_resource_name = visible_res_names[-1].strip()
            target_id = entity = unique_resource_name
            if vgrid_is_resource(vgrid_name, unique_resource_name,
                                 configuration):
                output_objects.append({
                    'object_type':
                    'error_text',
                    'text':
                    'You already have access to %s or a parent %s.' %
                    (vgrid_name, label)
                })
                return (output_objects, returnvalues.CLIENT_ERROR)
        else:
            target_id = entity = client_id
            if vgrid_is_owner(vgrid_name, client_id, configuration):
                output_objects.append({
                    'object_type':
                    'error_text',
                    'text':
                    'You are already an owner of %s or a parent %s!' %
                    (vgrid_name, label)
                })
                return (output_objects, returnvalues.CLIENT_ERROR)

        # only ownership requests are allowed for existing members

        if request_type == 'vgridmember':
            if vgrid_is_member(vgrid_name, client_id, configuration):
                output_objects.append({
                    'object_type':
                    'error_text',
                    'text':
                    'You are already a member of %s or a parent %s.' %
                    (vgrid_name, label)
                })
                return (output_objects, returnvalues.CLIENT_ERROR)

        # Find all VGrid owners configured to receive notifications

        target_name = vgrid_name
        (settings_status, settings_dict) = vgrid_settings(vgrid_name,
                                                          configuration,
                                                          recursive=True,
                                                          as_dict=True)
        if not settings_status:
            settings_dict = {}
        request_recipients = settings_dict.get('request_recipients',
                                               default_vgrid_settings_limit)
        # We load and use direct owners first if any - otherwise inherited
        owners_list = []
        for inherited in (False, True):
            (owners_status, owners_list) = vgrid_owners(vgrid_name,
                                                        configuration,
                                                        recursive=inherited)
            if not owners_status:
                output_objects.append({
                    'object_type':
                    'error_text',
                    'text':
                    'Failed to lookup owners for %s %s - sure it exists?' %
                    (vgrid_name, label)
                })
                return (output_objects, returnvalues.CLIENT_ERROR)
            elif owners_list:
                break
        if not owners_list:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Failed to lookup owners for %s %s - sure it exists?' %
                (vgrid_name, label)
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
        # Now we have direct or inherited owners to notify
        target_list = owners_list[:request_recipients]

        request_dir = os.path.join(configuration.vgrid_home, vgrid_name)
        access_request = {
            'request_type': request_type,
            'entity': entity,
            'target': vgrid_name,
            'request_text': request_text
        }
        if not save_access_request(configuration, request_dir, access_request):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Could not save request - owners may still manually add you'
            })
            return (output_objects, returnvalues.SYSTEM_ERROR)

    else:
        output_objects.append({
            'object_type': 'error_text',
            'text': 'Invalid request type: %s' % request_type
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # Now send request to all targets in turn
    # TODO: inform requestor if no owners have mail/IM set in their settings

    logger.debug("sending notification to recipients: %s" % target_list)

    for target in target_list:

        if not target:
            logger.warning("skipping empty notify target: %s" % target_list)
            continue

        # USER_CERT entry is destination

        notify = []
        for proto in protocols:
            notify.append('%s: SETTINGS' % proto)
        job_dict = {
            'NOTIFY': notify,
            'JOB_ID': 'NOJOBID',
            'USER_CERT': target,
            'EMAIL_SENDER': client_email
        }

        notifier = notify_user_thread(
            job_dict,
            [target_id, target_name, request_type, request_text, reply_to],
            'SENDREQUEST',
            logger,
            '',
            configuration,
        )

        # Try finishing delivery but do not block forever on one message
        notifier.join(30)
    output_objects.append({
        'object_type':
        'text',
        'text':
        'Sent %s message to %d people' % (request_type, len(target_list))
    })
    output_objects.append({
        'object_type':
        'text',
        'text':
        """Please make sure you have notifications
configured on your Setings page if you expect a reply to this message"""
    })

    return (output_objects, returnvalues.OK)
Beispiel #8
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]
    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
        )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    if not correct_handler('POST'):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : 'Only accepting POST requests to prevent unintended updates'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    vgrid_name = accepted['vgrid_name'][-1]
    flags = ''.join(accepted['flags'])
    cert_id = accepted['cert_id'][-1]
    cert_dir = client_id_dir(cert_id)
    # inherited vgrid membership
    inherit_vgrid_member = False

    title_entry = find_entry(output_objects, 'title')
    title_entry['text'] = 'Remove %s' % configuration.site_vgrid_label
    output_objects.append({'object_type': 'header', 'text'
                          : 'Remove %s Owner' % \
                           configuration.site_vgrid_label})

    # Validity of user and vgrid names is checked in this init function so
    # no need to worry about illegal directory traversal through variables

    (ret_val, msg, _) = \
        init_vgrid_script_add_rem(vgrid_name, client_id, cert_id,
                                  'owner', configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text'
                              : msg})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't remove if not already an owner

    if not vgrid_is_owner(vgrid_name, cert_id, configuration):
        output_objects.append({'object_type': 'error_text', 'text'
                              : '%s is not an owner of %s or a parent %s.'
                               % (cert_id, vgrid_name,
                                  configuration.site_vgrid_label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # we need the local owners file to detect inherited ownerships

    (status, owners_direct) = vgrid_owners(vgrid_name, configuration, False)
    (all_status, owners) = vgrid_owners(vgrid_name, configuration, True)
    if not status or not all_status:
        logger.error('Error loading owners for %s: %s / %s'
                     % (vgrid_name, owners_direct, owners))
        output_objects.append({'object_type': 'error_text', 'text'
         : 'An internal error occurred, error conditions have been logged.'})
        output_objects.append({'object_type': 'text', 'text'
         : '''
         You can help us fix the problem by notifying the administrators
         via mail about what you wanted to do when the error happened.'''})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # find out whether to just remove an owner or delete the whole thing.
    # ask about delete if last or no direct owners.

    if len(owners_direct) > 1:
        
        logger.debug('Removing %s, one of several owners, from %s.' % 
                     (cert_id, vgrid_name))

        if not (cert_id in owners_direct):

            # the owner owns an upper vgrid, ownership is inherited
            # cannot remove, not last (inherited) owner

            logger.debug('Cannot delete: Inherited ownership.' + 
                         '\n Owners: %s,\n Direct owners: %s.' 
                         % (owners, owners_direct))
            output_objects.append({'object_type': 'error_text', 'text'
                                   : '''%s is owner of a parent %s. 
Owner removal has to be performed at the topmost vgrid''' % \
                                   (cert_id, configuration.site_vgrid_label)})
            return (output_objects, returnvalues.CLIENT_ERROR)

        else:

            # Remove any tracker admin rights
            
            if configuration.trac_admin_path:
                public_tracker_dir = \
                                   os.path.abspath(os.path.join(
                    configuration.vgrid_public_base, vgrid_name,
                    '.vgridtracker'))
                private_tracker_dir = \
                                    os.path.abspath(os.path.join(
                    configuration.vgrid_private_base, vgrid_name,
                    '.vgridtracker'))
                vgrid_tracker_dir = \
                                  os.path.abspath(os.path.join(
                    configuration.vgrid_files_home, vgrid_name,
                    '.vgridtracker'))
                for tracker_dir in [public_tracker_dir, private_tracker_dir,
                                    vgrid_tracker_dir]:
                    if not rm_tracker_admin(configuration, cert_id,
                                             vgrid_name, tracker_dir,
                                             output_objects):
                        return (output_objects, returnvalues.SYSTEM_ERROR)

            user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                                    cert_dir)) + os.sep
        
            # Do not touch vgrid share if still a member of a parent vgrid
            
            if vgrid_is_member(vgrid_name, cert_id, configuration):
                # list is in top-down order 
                parent_vgrids = vgrid_list_parents(vgrid_name, configuration)
                inherit_vgrid_member = vgrid_name
                for parent in parent_vgrids:
                    if vgrid_is_member(parent, cert_id, configuration,
                                       recursive=False):
                        inherit_vgrid_member = parent
                        break
                output_objects.append(
                    {'object_type': 'text', 'text'
                     : '''NOTE: %s is still a member of parent %s %s.
                     Preserving access to corresponding %s.''' % \
                     (cert_id, configuration.site_vgrid_label,
                      inherit_vgrid_member, configuration.site_vgrid_label)
                     })
            else:
                (success, msg) = unlink_share(user_dir, vgrid_name)
                if not success: 
                    logger.error('Could not remove share link: %s.' % msg)
                    output_objects.append({'object_type': 'error_text', 'text'
                                           : 'Could not remove share links: %s.'
                                           % msg})
                    return (output_objects, returnvalues.SYSTEM_ERROR)

            # unlink shared web folders

            (success, msg) = unlink_web_folders(user_dir, vgrid_name)
            if not success: 
                logger.error('Could not remove web links: %s.' % msg)
                output_objects.append({'object_type': 'error_text', 'text'
                                       : 'Could not remove web links: %s.' 
                                       % msg})
                return (output_objects, returnvalues.SYSTEM_ERROR)

            # remove user from saved owners list
            (rm_status, rm_msg) = vgrid_remove_owners(configuration, vgrid_name,
                                                     [cert_id])
            if not rm_status:
                output_objects.append({'object_type': 'error_text', 'text'
                                       : '%s of owners of %s' 
                                       % (rm_msg, vgrid_name)})
                return (output_objects, returnvalues.SYSTEM_ERROR)

            # Any parent vgrid membership is left untouched here as we only
            # force a normal refresh in unmap_inheritance
            unmap_inheritance(configuration, vgrid_name, cert_id)

            output_objects.append({'object_type': 'text', 'text'
                          : '%s successfully removed as owner of %s!'
                           % (cert_id, vgrid_name)})
            output_objects.append({'object_type': 'link', 'destination':
                           'adminvgrid.py?vgrid_name=%s' % vgrid_name, 'text':
                           'Back to administration for %s' % vgrid_name})
            return (output_objects, returnvalues.OK)

    else:
        
        # no more direct owners - we try to remove this VGrid

        logger.debug('Leave %s from %s with no more direct owners: delete' %
                     (vgrid_name, cert_id))

        if not force(flags):
            output_objects.append({'object_type': 'text', 'text' : '''
No more direct owners of %s - leaving will result in the %s getting
deleted. Please use either of the links below to confirm or cancel.
''' % (vgrid_name, configuration.site_vgrid_label)})
            js_name = 'rmvgridowner%s' % hexlify(vgrid_name)
            helper = html_post_helper(js_name, 'rmvgridowner.py',
                                      {'vgrid_name': vgrid_name,
                                       'cert_id': cert_id, 'flags': 'f'})
            output_objects.append({'object_type': 'html_form', 'text': helper})
            output_objects.append({'object_type': 'link', 'destination':
                                   "javascript: %s();" % js_name, 'class':
                                   'removelink', 'text':
                                   'Really leave and delete %s' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text' : ''})
            output_objects.append({'object_type': 'link', 'destination':
                                   'adminvgrid.py?vgrid_name=%s' % vgrid_name,
                                   'text': 'Back to administration for %s'
                                   % vgrid_name})
            return (output_objects, returnvalues.OK)

        # check if any resources participate or sub-vgrids depend on this one

        (status, subs) = vgrid_list_subvgrids(vgrid_name, configuration)

        if not status:
            logger.error('Error loading sub-%ss for %s: %s)'
                         % (configuration.site_vgrid_label, vgrid_name, subs))
            output_objects.append({'object_type': 'error_text', 'text' : '''
An internal error occurred, error conditions have been logged.'''})
            output_objects.append({'object_type': 'text', 'text' : '''
You can help us fix the problem by notifying the administrators
via mail about what you wanted to do when the error happened.'''})
            return (output_objects, returnvalues.CLIENT_ERROR)

        if len(subs) > 0:

            logger.debug('Cannot delete: still has sub-%ss %s.'
                         % (configuration.site_vgrid_label, subs))
            output_objects.append({'object_type': 'error_text', 'text' : \
    '%s has sub-structures and cannot be deleted.' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text' : '''
To leave (and delete) %s, first remove its sub-structures: %s.'''
                                      % (vgrid_name, ', '.join(subs))})

            return (output_objects, returnvalues.CLIENT_ERROR)

        # we consider the local members and resources here, not inherited ones
        
        (member_status, members_direct) = vgrid_members(vgrid_name,
                                                        configuration,
                                                        False)
        (resource_status, resources_direct) = vgrid_resources(vgrid_name,
                                                              configuration,
                                                              False)
        if not member_status or not resource_status:
            logger.warning('failed to load %s members or resources: %s %s'
                           % (vgrid_name, members_direct, resources_direct))
            output_objects.append({'object_type': 'error_text', 'text' : \
    'could not load %s members or resources for %s.' % \
                                   (configuration.site_vgrid_label,
                                    vgrid_name)})
            return (output_objects, returnvalues.SYSTEM_ERROR)
        if len(resources_direct) > 0:
            logger.debug('Cannot delete: still has direct resources %s.'
                         % resources_direct)
            output_objects.append({'object_type': 'error_text', 'text' : \
    '%s still has resources and cannot be deleted.' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text' : '''
To leave (and delete) %s, first remove the participating resources.'''
                                      % vgrid_name})

            return (output_objects, returnvalues.CLIENT_ERROR)

        if len(members_direct) > 0:

            logger.debug('Cannot delete: still has direct members %s.'
                         % members_direct)
            output_objects.append({'object_type': 'error_text', 'text' : \
    '%s still has members and cannot be deleted.' % vgrid_name})
            output_objects.append({'object_type': 'text', 'text' : '''
To leave (and delete) %s, first remove all members.'''
                                      % vgrid_name})

            return (output_objects, returnvalues.CLIENT_ERROR)

        # When reaching here, OK to remove the VGrid.
        #   if top-level: unlink, remove all files and directories, 
        #   in all cases: remove configuration entry for the VGrid

        if (cert_id in owners_direct):

            # owner owns this vgrid, direct ownership

            logger.debug('%s looks like a top-level %s.' % \
                         (configuration.site_vgrid_label, vgrid_name))
            logger.debug('Deleting all related files.')

            user_dir = os.path.abspath(os.path.join(configuration.user_home,
                                                    cert_dir)) + os.sep
            (share_lnk, msg1)  = unlink_share(user_dir, vgrid_name)
            (web_lnk, msg1)  = unlink_web_folders(user_dir, vgrid_name)
            (abandoned, msg2) = abandon_vgrid_files(vgrid_name, configuration)
        else:

            # owner owns an upper vgrid, ownership is inherited

            logger.debug('%s looks like a sub-%s, ownership inherited.'
                         % (vgrid_name, configuration.site_vgrid_label))
            logger.debug('Only removing entry, leaving files in place.')
            share_lnk = True
            web_lnk = True
            abandoned = True
            msg1 = ''
            msg2 = ''

        (removed, msg3) = remove_vgrid_entry(vgrid_name, configuration)

        output_objects.append({'object_type': 'text', 'text'
                                   : '%s has been removed with last owner.'
                                      % vgrid_name})

        output_objects.append({'object_type': 'link', 
                               'destination': 'vgridadmin.py', 
                               'text': 'Back to the overview.'})

        if not share_lnk or not web_lnk or not abandoned or not removed:

            logger.error('Errors while removing %s:\n%s.'
                         % (vgrid_name, '\n'.join([msg1,msg2,msg3])))

            output_objects.append({'object_type': 'error_text', 'text' : '''
An internal error occurred, error conditions have been logged.'''})
            output_objects.append({'object_type': 'text', 'text' : '''
You can help us fix the problem by notifying the administrators
via mail about what you wanted to do when the error happened.'''})
            return (output_objects, returnvalues.CLIENT_ERROR)

        else:

            # Remove vgrid from vgrid cache (after deleting all)
            unmap_vgrid(configuration, vgrid_name)
            return (output_objects, returnvalues.OK)
Beispiel #9
0
def main(client_id, user_arguments_dict):
    """Main function used by front end"""

    (configuration, logger, output_objects, op_name) = \
        initialize_main_variables(client_id, op_header=False)
    defaults = signature()[1]

    (validate_status, accepted) = validate_input_and_cert(
        user_arguments_dict,
        defaults,
        output_objects,
        client_id,
        configuration,
        allow_rejects=False,
        )
    if not validate_status:
        return (accepted, returnvalues.CLIENT_ERROR)

    if not correct_handler('POST'):
        output_objects.append(
            {'object_type': 'error_text', 'text'
             : 'Only accepting POST requests to prevent unintended updates'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    title_entry = find_entry(output_objects, 'title')
    title_entry['text'] = '%s send request' % \
                            configuration.short_title
    output_objects.append({'object_type': 'header', 'text'
                          : '%s send request' % \
                            configuration.short_title})

    target_id = client_id
    vgrid_name = accepted['vgrid_name'][-1].strip()
    visible_user_name = accepted['cert_id'][-1].strip()
    visible_res_name = accepted['unique_resource_name'][-1].strip()
    request_type = accepted['request_type'][-1].strip().lower()
    request_text = accepted['request_text'][-1].strip()
    protocols = [proto.strip() for proto in accepted['protocol']]
    use_any = False
    if any_protocol in protocols:
        use_any = True
        protocols = configuration.notify_protocols
    protocols = [proto.lower() for proto in protocols]

    valid_request_types = ['resourceowner', 'resourceaccept', 'vgridowner',
                           'vgridmember','vgridresource', 'vgridaccept',
                           'plain']
    if not request_type in valid_request_types:
        output_objects.append({
            'object_type': 'error_text', 'text'
            : '%s is not a valid request_type (valid types: %s)!'
            % (request_type.lower(),
               valid_request_types)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    if not protocols:
        output_objects.append({
            'object_type': 'error_text', 'text':
            'No protocol specified!'})
        return (output_objects, returnvalues.CLIENT_ERROR)

    user_map = get_user_map(configuration)
    reply_to = user_map[client_id][USERID]

    if request_type == "plain":
        if not visible_user_name:
            output_objects.append({
                'object_type': 'error_text', 'text':
                'No user ID specified!'})
            return (output_objects, returnvalues.CLIENT_ERROR)

        user_id = visible_user_name
        anon_map = anon_to_real_user_map(configuration.user_home)
        if anon_map.has_key(visible_user_name):
            user_id = anon_map[visible_user_name]
        if not user_map.has_key(user_id):
            output_objects.append({'object_type': 'error_text',
                                   'text': 'No such user: %s' % \
                                   visible_user_name
                                   })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_name = user_id
        user_dict = user_map[user_id]
        allow_vgrids = user_allowed_vgrids(configuration, client_id)
        vgrids_allow_email = user_dict[CONF].get('VGRIDS_ALLOW_EMAIL', [])
        vgrids_allow_im = user_dict[CONF].get('VGRIDS_ALLOW_IM', [])
        if any_vgrid in vgrids_allow_email:
            email_vgrids = allow_vgrids
        else:
            email_vgrids = set(vgrids_allow_email).intersection(allow_vgrids)
        if any_vgrid in vgrids_allow_im:
            im_vgrids = allow_vgrids
        else:
            im_vgrids = set(vgrids_allow_im).intersection(allow_vgrids)
        if use_any:
            # Do not try disabled protocols if ANY was requested
            if not email_vgrids:
                protocols = [proto for proto in protocols \
                             if proto not in email_keyword_list]
            if not im_vgrids:
                protocols = [proto for proto in protocols \
                             if proto in email_keyword_list]
        if not email_vgrids and [proto for proto in protocols \
                                 if proto in email_keyword_list]:
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'You are not allowed to send emails to %s!' % \
                visible_user_name
                })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not im_vgrids and [proto for proto in protocols \
                              if proto not in email_keyword_list]:
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'You are not allowed to send instant messages to %s!' % \
                visible_user_name
                })
            return (output_objects, returnvalues.CLIENT_ERROR)
        for proto in protocols:
            if not user_dict[CONF].get(proto.upper(), False):
                if use_any:
                    # Remove missing protocols if ANY protocol was requested
                    protocols = [i for i in protocols if i != proto]
                else:
                    output_objects.append({
                        'object_type': 'error_text', 'text'
                        : 'User %s does not accept %s messages!' % \
                        (visible_user_name, proto)
                        })
                    return (output_objects, returnvalues.CLIENT_ERROR)
        if not protocols:
            output_objects.append({
                'object_type': 'error_text', 'text':
                'User %s does not accept requested protocol(s) messages!' % \
                visible_user_name})
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_list = [user_id]
    elif request_type == "vgridaccept":
        # Always allow accept messages but only between vgrid members/owners
        user_id = visible_user_name
        if not vgrid_name:
            output_objects.append({
                'object_type': 'error_text', 'text': 'No vgrid_name specified!'})
            return (output_objects, returnvalues.CLIENT_ERROR)
        if vgrid_name.upper() == default_vgrid.upper():
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'No requests for %s are not allowed!' % \
                default_vgrid
                })
            return (output_objects, returnvalues.CLIENT_ERROR)
        if not vgrid_is_owner(vgrid_name, client_id, configuration):
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'You are not an owner of %s or a parent %s!' % \
                (vgrid_name, configuration.site_vgrid_label)})
            return (output_objects, returnvalues.CLIENT_ERROR)
        allow_vgrids = user_allowed_vgrids(configuration, client_id)
        if not vgrid_name in allow_vgrids:
            output_objects.append({
                'object_type': 'error_text', 'text':
                'Invalid %s message! (%s sv %s)' % (request_type, user_id,
                                                    allow_vgrids)})
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_id = '%s %s owners' % (vgrid_name, configuration.site_vgrid_label)
        target_name = vgrid_name
        target_list = [user_id]
    elif request_type == "resourceaccept":
        # Always allow accept messages between actual resource owners
        user_id = visible_user_name
        if not visible_res_name:
            output_objects.append({
                'object_type': 'error_text', 'text':
                'No resource ID specified!'})
            return (output_objects, returnvalues.CLIENT_ERROR)
        unique_resource_name = visible_res_name
        target_name = unique_resource_name
        res_map = get_resource_map(configuration)
        if not res_map.has_key(unique_resource_name):
            output_objects.append({'object_type': 'error_text',
                                   'text': 'No such resource: %s' % \
                                   unique_resource_name
                                   })
            return (output_objects, returnvalues.CLIENT_ERROR)
        owners_list = res_map[unique_resource_name][OWNERS]
        if not client_id in owners_list or not user_id in owners_list:
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'Invalid resource owner accept message!'})
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_id = '%s resource owners' % unique_resource_name
        target_name = unique_resource_name
        target_list = [user_id]
    elif request_type == "resourceowner":
        if not visible_res_name:
            output_objects.append({
                'object_type': 'error_text', 'text':
                'No resource ID specified!'})
            return (output_objects, returnvalues.CLIENT_ERROR)
        
        unique_resource_name = visible_res_name
        anon_map = anon_to_real_res_map(configuration.resource_home)
        if anon_map.has_key(visible_res_name):
            unique_resource_name = anon_map[visible_res_name]
        target_name = unique_resource_name
        res_map = get_resource_map(configuration)
        if not res_map.has_key(unique_resource_name):
            output_objects.append({'object_type': 'error_text',
                                   'text': 'No such resource: %s' % \
                                   visible_res_name
                                   })
            return (output_objects, returnvalues.CLIENT_ERROR)
        target_list = res_map[unique_resource_name][OWNERS]
        if client_id in target_list:
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'You are already an owner of %s!' % unique_resource_name
                })
            return (output_objects, returnvalues.CLIENT_ERROR)
    elif request_type in ["vgridmember", "vgridowner", "vgridresource"]:
        unique_resource_name = visible_res_name
        if not vgrid_name:
            output_objects.append({
                'object_type': 'error_text', 'text': 'No vgrid_name specified!'})
            return (output_objects, returnvalues.CLIENT_ERROR)

        # default vgrid is read-only
        
        if vgrid_name.upper() == default_vgrid.upper():
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'No requests for %s are not allowed!' % \
                default_vgrid
                })
            return (output_objects, returnvalues.CLIENT_ERROR)

        # stop owner or member request if already an owner

        if request_type != 'vgridresource':
            if vgrid_is_owner(vgrid_name, client_id, configuration):
                output_objects.append({
                    'object_type': 'error_text', 'text'
                    : 'You are already an owner of %s or a parent %s!' % \
                    (vgrid_name, configuration.site_vgrid_label)})
                return (output_objects, returnvalues.CLIENT_ERROR)

        # only ownership requests are allowed for existing members

        if request_type == 'vgridmember':
            if vgrid_is_member(vgrid_name, client_id, configuration):
                output_objects.append({
                    'object_type': 'error_text', 'text'
                    : 'You are already a member of %s or a parent %s.' % \
                    (vgrid_name, configuration.site_vgrid_label)})
                return (output_objects, returnvalues.CLIENT_ERROR)

        # set target to resource and prevent repeated resource access requests

        if request_type == 'vgridresource':
            target_id = unique_resource_name
            if vgrid_is_resource(vgrid_name, unique_resource_name,
                                 configuration):
                output_objects.append({
                    'object_type': 'error_text', 'text'
                    : 'You already have access to %s or a parent %s.' % \
                    (vgrid_name, configuration.site_vgrid_label)})
                return (output_objects, returnvalues.CLIENT_ERROR)

        # Find all VGrid owners

        target_name = vgrid_name
        (status, target_list) = vgrid_list(vgrid_name, 'owners', configuration)
        if not status:
            output_objects.append({
                'object_type': 'error_text', 'text'
                : 'Could not load list of current owners for %s %s!'
                % (vgrid_name, configuration.site_vgrid_label)})
            return (output_objects, returnvalues.CLIENT_ERROR)

    else:
        output_objects.append({
            'object_type': 'error_text', 'text': 'Invalid request type: %s' % \
            request_type})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # Now send request to all targets in turn
    # TODO: inform requestor if no owners have mail/IM set in their settings
    
    for target in target_list:
        # USER_CERT entry is destination

        notify = []
        for proto in protocols:
            notify.append('%s: SETTINGS' % proto)
        job_dict = {'NOTIFY': notify, 'JOB_ID': 'NOJOBID', 'USER_CERT': target}

        notifier = notify_user_thread(
            job_dict,
            [target_id, target_name, request_type, request_text, reply_to],
            'SENDREQUEST',
            logger,
            '',
            configuration,
            )

        # Try finishing delivery but do not block forever on one message
        notifier.join(30)
    output_objects.append({'object_type': 'text', 'text':
                           'Sent %s message to %d people' % \
                           (request_type, len(target_list))})
    output_objects.append({'object_type': 'text', 'text':
                           """Please make sure you have notifications
configured on your Setings page if you expect a reply to this message"""})
    
    return (output_objects, returnvalues.OK)