Xillion: Attribute-based Resource Framework
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- php: >=7.1.0
- psr/simple-cache: ^1.0
- symfony/cache: ^5.2
- symfony/yaml: ^5.1
Xillion is an Attribute-based Resource Framework.
It allows you to work with Resources and their collection of attributes.
- Use your entities in XACML, ABAC, OPA and other external policy-based frameworks
- Standardise the way remote objects from different sources are represented for integration purposes
- Resource: representation of 1 real-world entity. Has a unique ID (in the form of a URL) and an array of Attributes
- Attribute: Defines a single attribute. Has a unique ID (in the form of a URL), description, an AttributeType and other metadata
- DataType: Data type supported by an Attribute (i.e. string, int, etc)
- ResourceRepository: Container for a set of Resources that allows you to search, get and set Resource instances in bulk
- ResourceContext: Container for a set of Resources Repositories. The root of the structure.
- Profile: A "Contract" or "Interface", specifying which attributes Resources of this type need to "implement'. A single Resource can implement multiple profiles simultaniously.
- Specify a Attributes, DataTypes, Profiles and Resources to use in your projects in YAML configuration files
- Predefined instances of xml schema datatypes are provided that are commonly used in XACML environments
- Resource Repositories: currently ArrayRepository, with plans for PDO and Elasticsearch based Repositories.
- Resource Loader
- Resource Resolver that can resolve pre-populated Resources with their attributes and types from objects through various means (currently direct and provider-based)
- Resolve Resources directly from your entities: Quick and simple method if you "own" those entities.
- Resolve Resources through a ResourcesProvider: Useful to extract attributes for entities from external libraries.
- Collect your resources in a single Resource Context for bulk operations
- Validate one Attribute, a Resource or an entire Resource Context
- XACML (+JSON profile)
- Open Policy Agent
- All identifiers are prefixed with a FQDN (Fully Qualified Domain Name). I.e.
- The identifier FQDN is owned by the entity that defines the identifier (i.e. do not randomly defined resource or attribute identifiers with domain names that you do not own).
- Attribute identifiers do not specify a scheme (i.e.
- Attribute identifiers do not contain a path prefix (i.e. do not prefix paths with
- Identifiers are lower-case only, and allow dashes for word-spacing (i.e.
- Any level of sub-paths is allowed in identifiers. The recommendation is to keep the levels to a minimum (i.e `x.example.web/a/b/c/d/e/f is allowed but discouraged)
- Profile identifiers are in a sub-path prefixed with
- Data-type identifiers are in a sub-path prefixed with
- Attribute identifiers do not use a prefix. (i.e. do not use prefix
- Resource identifiers do not use a prefix. (i.e. do not use prefix
- Packages (FQDN) define either a set of attributes and profiles (library) -or- resources (content), not both.
MIT. Please refer to the license file for details.
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