Exemple #1
0
def unmap_inheritance(configuration, vgrid_name, cert_id):
    """Remove cert_id inherited access to all vgrid_name sub vgrids: Simply
    force refresh of those vgrids as cert_id was never really there.
    """
    (status, sub_vgrids) = vgrid_list_subvgrids(vgrid_name, configuration)
    for sub in sub_vgrids:
        mark_vgrid_modified(configuration, sub)
Exemple #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)
Exemple #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]
    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)
Exemple #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
Exemple #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)
    client_dir = client_id_dir(client_id)
    defaults = signature()[1]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = "Add/Update %s Trigger" % label
    output_objects.append({
        'object_type': 'header',
        'text': 'Add/Update %s Trigger' % 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)

    # NOTE: strip leftmost slashes from all fields used in file paths to avoid
    # interference with os.path.join calls. Furthermore we strip and normalize
    # the path variable first to make sure it does not point outside the vgrid.
    # In practice any such directory traversal attempts will generally be moot
    # since the grid_events daemon only starts a listener for each top-level
    # vgrid and in there only reacts to events that match trigger rules from
    # that particular vgrid. Thus only subvgrid access to parent vgrids might
    # be a concern and still of limited consequence.
    # NOTE: merge multi args into one string and split again to get flat array
    rule_id = accepted['rule_id'][-1].strip()
    vgrid_name = accepted['vgrid_name'][-1].strip().lstrip(os.sep)
    path = os.path.normpath(accepted['path'][-1].strip()).lstrip(os.sep)
    changes = [i.strip() for i in ' '.join(accepted['changes']).split()]
    action = accepted['action'][-1].strip()
    arguments = [
        i.strip() for i in shlex.split(' '.join(accepted['arguments']))
    ]
    rate_limit = accepted['rate_limit'][-1].strip()
    settle_time = accepted['settle_time'][-1].strip()
    match_files = accepted['match_files'][-1].strip() == 'True'
    match_dirs = accepted['match_dirs'][-1].strip() == 'True'
    match_recursive = accepted['match_recursive'][-1].strip() == 'True'
    rank_str = accepted['rank'][-1]
    try:
        rank = int(rank_str)
    except ValueError:
        rank = None

    logger.debug("addvgridtrigger with args: %s" % user_arguments_dict)

    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)

    # 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

    base_dir = os.path.abspath(
        os.path.join(configuration.user_home, client_dir)) + os.sep

    # we just use a high res timestamp as automatic rule_id

    if rule_id == keyword_auto:
        rule_id = "%d" % (time.time() * 1E8)

    if action == keyword_auto:
        action = valid_trigger_actions[0]

    if any_state in changes:
        changes = valid_trigger_changes

    logger.info("addvgridtrigger %s" % vgrid_name)

    # 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, ret_variables) = \
        init_vgrid_script_add_rem(vgrid_name, client_id,
                                  rule_id, 'trigger',
                                  configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text': msg})
        return (output_objects, returnvalues.CLIENT_ERROR)
    elif msg:

        # In case of warnings, msg is non-empty while ret_val remains True

        output_objects.append({'object_type': 'warning', 'text': msg})

    # if we get here user is either vgrid owner or allowed to add rule

    # don't add if already in vgrid or parent vgrid - but update if owner

    update_id = None
    if vgrid_is_trigger(vgrid_name, rule_id, configuration):
        if vgrid_is_trigger_owner(vgrid_name, rule_id, client_id,
                                  configuration):
            update_id = 'rule_id'
        else:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                '%s is already a trigger owned by somebody else in the %s' %
                (rule_id, label)
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already in 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)
    for subvgrid in subvgrids:
        if vgrid_is_trigger(subvgrid, rule_id, configuration, recursive=False):
            output_objects.append({
                'object_type': 'error_text',
                'text': '''%(rule_id)s is already in a
sub-%(vgrid_label)s (%(subvgrid)s). Please remove the trigger from the
sub-%(vgrid_label)s and try again''' % {
                    'rule_id': rule_id,
                    'subvgrid': subvgrid,
                    'vgrid_label': label
                }
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

    if not action in valid_trigger_actions:
        output_objects.append({
            'object_type': 'error_text',
            'text': "invalid action value %s" % action
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    if keyword_all in changes:
        changes = valid_trigger_changes
    for change in changes:
        if not change in valid_trigger_changes:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                "found invalid change value %s" % change
            })
            return (output_objects, returnvalues.CLIENT_ERROR)

    # Check if we should load saved trigger for rank change or update

    rule_dict = None
    if rank is not None or update_id is not None:
        (load_status, all_triggers) = vgrid_triggers(vgrid_name, configuration)
        if not load_status:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Failed to load triggers for %s: %s' %
                (vgrid_name, all_triggers)
            })
            return (output_objects, returnvalues.SYSTEM_ERROR)
        for saved_dict in all_triggers:
            if saved_dict['rule_id'] == rule_id:
                rule_dict = saved_dict
                break
        if rule_dict is None:
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'No such trigger %s for %s: %s' %
                (rule_id, vgrid_name, all_triggers)
            })
            return (output_objects, returnvalues.CLIENT_ERROR)
    elif not path:
        # New trigger with missing path
        output_objects.append({
            'object_type': 'error_text',
            'text': '''Either path or rank must
be set.'''
        })
        return (output_objects, returnvalues.CLIENT_ERROR)
    elif action == "submit" and not arguments:
        # New submit trigger with missing mrsl arguments
        output_objects.append({
            'object_type':
            'error_text',
            'text':
            '''Submit triggers must give
a job description file path as argument.'''
        })
        return (output_objects, returnvalues.CLIENT_ERROR)

    # Handle create and update (i.e. new, update all or just refresh mRSL)

    if rank is None:

        # IMPORTANT: we save the job template contents to avoid potential abuse
        # Otherwise someone else in the VGrid could tamper with the template
        # and make the next trigger execute arbitrary code on behalf of the
        # rule owner.

        templates = []

        # Merge current and saved values

        req_dict = {
            'rule_id': rule_id,
            'vgrid_name': vgrid_name,
            'path': path,
            'changes': changes,
            'run_as': client_id,
            'action': action,
            'arguments': arguments,
            'rate_limit': rate_limit,
            'settle_time': settle_time,
            'match_files': match_files,
            'match_dirs': match_dirs,
            'match_recursive': match_recursive,
            'templates': templates
        }
        if rule_dict is None:
            rule_dict = req_dict
        else:
            for field in user_arguments_dict:
                if req_dict.has_key(field):
                    rule_dict[field] = req_dict[field]

        # Now refresh template contents

        if rule_dict['action'] == "submit":
            for rel_path in rule_dict['arguments']:
                # IMPORTANT: path must be expanded to abs for proper chrooting
                abs_path = os.path.abspath(os.path.join(base_dir, rel_path))
                try:
                    if not valid_user_path(configuration, abs_path, base_dir,
                                           True):
                        logger.warning(
                            '%s tried to %s restricted path %s ! (%s)' %
                            (client_id, op_name, abs_path, rel_path))
                        raise ValueError('invalid submit path argument: %s' %
                                         rel_path)
                    temp_fd = open(abs_path)
                    templates.append(temp_fd.read())
                    temp_fd.close()
                except Exception, err:
                    logger.error("read submit argument file failed: %s" % err)
                    output_objects.append({
                        'object_type':
                        'error_text',
                        'text':
                        'failed to read submit argument file "%s"' % rel_path
                    })
                    return (output_objects, returnvalues.CLIENT_ERROR)

        # Save updated template contents here
        rule_dict['templates'] = templates
Exemple #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]
    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
Exemple #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'] = "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)
Exemple #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]
    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
Exemple #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]
    title_entry = find_entry(output_objects, 'title')
    label = "%s" % configuration.site_vgrid_label
    title_entry['text'] = "Add %s Resource" % label
    output_objects.append({
        'object_type': 'header',
        'text': 'Add %s Resource(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()
    res_id_list = accepted['unique_resource_name']
    request_name = unhexlify(accepted['request_name'][-1])
    rank_list = accepted['rank'] + ['' for _ in res_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 resources

    (allow_status, allow_msg) = allow_resources_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)

    res_id_added = []
    for (res_id, rank_str) in zip(res_id_list, rank_list):
        unique_resource_name = res_id.lower().strip()
        try:
            rank = int(rank_str)
        except ValueError:
            rank = None

        # 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, ret_variables) = \
            init_vgrid_script_add_rem(vgrid_name, client_id,
                                      unique_resource_name, 'resource',
                                      configuration)
        if not ret_val:
            output_objects.append({'object_type': 'error_text', 'text': msg})
            status = returnvalues.CLIENT_ERROR
            continue
        elif msg:

            # In case of warnings, msg is non-empty while ret_val remains True

            output_objects.append({'object_type': 'warning', 'text': msg})

        # don't add if already in vgrid or parent vgrid unless rank is given

        if rank is None and vgrid_is_resource(vgrid_name, unique_resource_name,
                                              configuration):
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                '%s is already a resource in the %s' %
                (unique_resource_name, label)
            })
            status = returnvalues.CLIENT_ERROR
            continue

        # don't add if already in 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
        skip_entity = False
        for subvgrid in subvgrids:
            if vgrid_is_resource(subvgrid,
                                 unique_resource_name,
                                 configuration,
                                 recursive=False):
                output_objects.append({
                    'object_type': 'error_text',
                    'text': '''%(res_name)s is already in a
sub-%(vgrid_label)s (%(subvgrid)s). Please remove the resource from the
sub-%(vgrid_label)s and try again''' % {
                        'res_name': unique_resource_name,
                        'subvgrid': subvgrid,
                        'vgrid_label': label
                    }
                })
                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_resources(configuration,
                                                        vgrid_name,
                                                        [unique_resource_name],
                                                        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 resource %d' % (res_id, rank)
                })
            # No further action after rank change as everything else exists
            continue

        # Getting here means res_id is neither resource 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(configuration.vgrid_home + os.sep +
                                   vgrid_name) + os.sep
        resources_file = base_dir + 'resources'

        # Add to list and pickle

        (add_status, add_msg) = vgrid_add_resources(configuration, vgrid_name,
                                                    [unique_resource_name])
        if not add_status:
            output_objects.append({
                'object_type': 'error_text',
                'text': '%s' % add_msg
            })
            status = returnvalues.SYSTEM_ERROR
            continue
        res_id_added.append(unique_resource_name)

    if request_name:
        request_dir = os.path.join(configuration.vgrid_home, vgrid_name)
        if not delete_access_request(configuration, request_dir, request_name):
            logger.error("failed to delete res request for %s in %s" %
                         (vgrid_name, request_name))
            output_objects.append({
                'object_type':
                'error_text',
                'text':
                'Failed to remove saved request for %s in %s!' %
                (vgrid_name, request_name)
            })

    if res_id_added:
        output_objects.append({
            'object_type':
            'html_form',
            'text':
            'New resource(s)<br />%s<br />successfully added to %s %s!'
            '' % ('<br />'.join(res_id_added), vgrid_name, label)
        })
        res_id_fields = ''
        for res_id in res_id_added:
            res_id_fields += """
<input type=hidden name=unique_resource_name value='%s' />""" % res_id

        form_method = 'post'
        csrf_limit = get_csrf_limit(configuration)
        fill_helpers = {
            'vgrid_name': vgrid_name,
            'unique_resource_name': unique_resource_name,
            'protocol': any_protocol,
            'short_title': configuration.short_title,
            'vgrid_label': label,
            'res_id_fields': res_id_fields,
            'form_method': form_method,
            'csrf_field': csrf_field,
            'csrf_limit': csrf_limit
        }
        target_op = 'sendrequestaction'
        csrf_token = make_csrf_token(configuration, form_method, target_op,
                                     client_id, csrf_limit)
        fill_helpers.update({'target_op': target_op, 'csrf_token': csrf_token})
        output_objects.append({
            'object_type':
            'html_form',
            'text':
            """
<form method='%(form_method)s' action='%(target_op)s.py'>
<input type='hidden' name='%(csrf_field)s' value='%(csrf_token)s' />
<input type=hidden name=request_type value='vgridaccept' />
<input type=hidden name=vgrid_name value='%(vgrid_name)s' />
%(res_id_fields)s
<input type=hidden name=protocol value='%(protocol)s' />
<table>
<tr>
<td class='title'>Custom message to resource owners</td>
</tr><tr>
<td><textarea name=request_text cols=72 rows=10>
We have granted your %(unique_resource_name)s resource access to our
%(vgrid_name)s %(vgrid_label)s.
You can assign it to accept jobs from the %(vgrid_name)s %(vgrid_label)s from
your Resources page on %(short_title)s.

Regards, the %(vgrid_name)s %(vgrid_label)s owners
</textarea></td>
</tr>
<tr>
<td><input type='submit' value='Inform owners' /></td>
</tr>
</table>
</form>
<br />
""" % fill_helpers
        })

    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)
Exemple #10
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)
Exemple #11
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 Resource' % \
                           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()
    unique_resource_name = accepted['unique_resource_name'][-1].lower().strip()

    # 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, ret_variables) = \
        init_vgrid_script_add_rem(vgrid_name, client_id,
                                  unique_resource_name, 'resource',
                                  configuration)
    if not ret_val:
        output_objects.append({'object_type': 'error_text', 'text'
                              : msg})
        return (output_objects, returnvalues.CLIENT_ERROR)
    elif msg:

        # In case of warnings, msg is non-empty while ret_val remains True

        output_objects.append({'object_type': 'warning', 'text': msg})

    # don't add if already in vgrid or parent vgrid

    if vgrid_is_resource(vgrid_name, unique_resource_name,
                         configuration):
        output_objects.append({'object_type': 'error_text', 'text'
                              : '%s is already a resource in the %s'
                               % (unique_resource_name,
                                  configuration.site_vgrid_label)})
        return (output_objects, returnvalues.CLIENT_ERROR)

    # don't add if already in 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_resource(subvgrid, unique_resource_name,
                             configuration):
            output_objects.append({'object_type': 'error_text', 'text':
                                   '''%(res_name)s is already in a
sub-%(_label)s (%(subvgrid)s).
Remove the resource from the sub-%(_label)s and try again''' % \
                                   {'res_name': unique_resource_name,
                                    'subvgrid': subvgrid,
                                    '_label': configuration.site_vgrid_label}})
            return (output_objects, returnvalues.CLIENT_ERROR)

    base_dir = os.path.abspath(configuration.vgrid_home + os.sep
                                + vgrid_name) + os.sep
    resources_file = base_dir + 'resources'

    # Add to list and pickle

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

    output_objects.append({'object_type': 'text', 'text'
                          : 'New resource %s successfully added to %s %s!'
                           % (unique_resource_name, vgrid_name,
                              configuration.site_vgrid_label)})
    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)