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README.md

Tilmeld {#mainpage}

Nymph user and group management with access controls.

Installation

Automatic Setup

The fastest way to start building a Nymph app is with the Nymph App Template.

Manual Installation

composer require sciactive/tilmeld-server

How It Works

Tilmeld uses Nymph entities to store users and groups. It allows users to register and log in using the Nymph REST endpoint.

Tilmeld methods are available on the Tilmeld\Tilmeld class. (They are all static methods.)

Users

User accounts can be created either in the setup app or by registering through the register function in PHP or the $register function in JS. There is a TilmeldLogin component in the tilmeld-components package that will build you a login/register form. The first user account registered in Tilmeld will be granted admin priveleges with the system/admin ability.

Users are available as the Tilmeld\Entities\User class.

Groups

Groups are available as the Tilmeld\Entities\Group class.

Primary Groups

Users can have only one primary group. It becomes the group of any entities they create. By default, Tilmeld will create a new primary group for every user.

Secondary Groups

Secondary groups are used to grant users additional abilities or give access to entities.

Access Controls

Tilmeld filters all calls to Nymph to allow users to only see and modify the entities they have access to. When a user creates an entity, their user becomes the user property of that entity, and their primary group becomes the group property. By default, entites will allow read/write/delete access to their user, read access to their group, and no access to other users.

You can use these constants for access control:

  • Tilmeld::FULL_ACCESS - Read/Edit/Save/Change AC/Delete access.
  • Tilmeld::WRITE_ACCESS - Read/Edit/Save access.
  • Tilmeld::READ_ACCESS - Read access.
  • Tilmeld::NO_ACCESS - No access.

The following properties are used on entities to control who has access:

  • $entity->user - The User who owns the entity.
  • $entity->group - The Group who owns the entity.
  • $entity->acUser - What access control level the owner user has. Defaults to Tilmeld::FULL_ACCESS.
  • $entity->acGroup - What access control level the owner group has. Defaults to Tilmeld::READ_ACCESS.
  • $entity->acOther - What access control level everyone else has. Defaults to Tilmeld::NO_ACCESS.
  • $entity->acRead - An array of users/groups who are granted Tilmeld::READ_ACCESS.
  • $entity->acWrite - An array of users/groups who are granted Tilmeld::WRITE_ACCESS.
  • $entity->acFull - An array of users/groups who are granted Tilmeld::FULL_ACCESS.

Abilities

Abilities can be granted to users and/or their groups. When you call gatekeeper, it will check for the given ability.

The system/admin ability is special, and will cause gatekeeper to always return true for users with this ability. It will also let the user see, modify, and delete all entities, as if they had Tilmeld::FULL_ACCESS.

The tilmeld/admin ability allows the user to see the setup app and modify all users/groups except ones with the system/admin ability. Changes to a user's email by a Tilmeld admin do not require verification. A Tilmeld admin can't grant system/admin to a user or group, but they can assign groups, so don't grant a group the system/admin ability.

Generated Primary Groups

Tilmeld, by default, is configured to generate a primary group for every new user. When the user is changed, that information is propagated to the group.

API Docs

See the full API docs at https://tilmeld.org/api/server/latest

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