Can update a share of a file with a user to have only create or delete permission

[kiranparajuli589]

Describe the bug

A clear and concise description of what the bug is.

Steps to reproduce

Steps to reproduce the behavior:

1. create two users uu1 and uu2
2. upload a file lorem.txt using user uu`
3. share file lorem.txt with user uu2 using user uu1
4. accept the incoming share using user uu2
5. edit the last created share permission to create only using user uu1

   curl -k -u uu1:uu1 https://localhost:9200/ocs/v1.php/apps/files_sharing/api/v1/shares/2205751e-290f-489a-8d40-bcf1f799ed0d
   

Expected behavior

In oc10 backend:
Request failed with ocs status code 400

Actual behavior

share update success:

<?xml version="1.0" encoding="UTF-8"?>
<ocs>
    <meta>
        <status>ok</status>
        <statuscode>100</statuscode>
        <message>OK</message>
    </meta>
    <data>
        <id>2205751e-290f-489a-8d40-bcf1f799ed0d</id>
        <share_type>0</share_type>
        <uid_owner>uu1</uid_owner>
        <displayname_owner>uu1</displayname_owner>
        <additional_info_owner>[email protected]</additional_info_owner>
        <permissions>4</permissions>
        <stime>1624358921</stime>
        <parent></parent>
        <expiration></expiration>
        <token></token>
        <uid_file_owner>uu1</uid_file_owner>
        <displayname_file_owner>uu1</displayname_file_owner>
        <additional_info_file_owner>[email protected]</additional_info_file_owner>
        <state>0</state>
        <path>/sub.txt</path>
        <item_type>file</item_type>
        <mimetype>text/plain</mimetype>
        <storage_id>1284d238-aa92-42ce-bdc4-0b0000009157</storage_id>
        <storage>0</storage>
        <item_source>MTI4NGQyMzgtYWE5Mi00MmNlLWJkYzQtMGIwMDAwMDA5MTU3OmM3ZDNhMGYzLTQ3YmYtNDQ0NS04ODAxLTY0ZDRkNjkwMThkNA==</item_source>
        <file_source>MTI4NGQyMzgtYWE5Mi00MmNlLWJkYzQtMGIwMDAwMDA5MTU3OmM3ZDNhMGYzLTQ3YmYtNDQ0NS04ODAxLTY0ZDRkNjkwMThkNA==</file_source>
        <file_parent></file_parent>
        <file_target>/sub.txt</file_target>
        <share_with>uu2</share_with>
        <share_with_displayname>uu2</share_with_displayname>
        <share_with_additional_info>[email protected]</share_with_additional_info>
        <mail_send>0</mail_send>
        <name></name>
    </data>
</ocs>

Setup

export OCIS_URL=https://localhost:9200
export STORAGE_HOME_DRIVER=$DRIVER
export STORAGE_USERS_DRIVER=$DRIVER
export STORAGE_DRIVER_OCIS_ROOT=/tmp/ocis/storage/users
export STORAGE_DRIVER_LOCAL_ROOT=/tmp/ocis/local/root
export STORAGE_METADATA_ROOT=/tmp/ocis/metadata
export STORAGE_DRIVER_OWNCLOUD_DATADIR=/tmp/ocis/owncloud/data
export STORAGE_HOME_DATA_SERVER_URL=http://localhost:9155/data
export STORAGE_USERS_DATA_SERVER_URL=http://localhost:9158/data
export STORAGE_SHARING_USER_JSON_FILE=/tmp/ocis/shares.json
export PROXY_ENABLE_BASIC_AUTH=True
export WEB_UI_CONFIG=$HOME/www/ocConfigs/ocis-config/ocis-config.json
export IDP_IDENTIFIER_REGISTRATION_CONF=$HOME/www/ocConfigs/ocis-config/idp.yml
export OCIS_LOG_LEVEL="error"
export SETTINGS_DATA_PATH=/tmp/ocis/settings

if [ $DRIVER == "owncloud" ]
then
	export STORAGE_DRIVER_OWNCLOUD_REDIS_ADDR=localhost:6379
else
	export STORAGE_DRIVER_OWNCLOUD_REDIS_ADDR=
fi

Additional context

Add any other context about the problem here.

[kiranparajuli589]

already described in #2173