Declarative is a new programming language that can be used to build applications. It uses an attribute-based system for defining access control rules and it’s designed with security in mind.
The swift protected access level is a declarative framework that allows for managing Attributed Role-based Access Control management.
Attributed Role-based Access Control Management with a Declarative Swift Framework
For a complete explanation and additional information, see this blog post: Swift Access Control Management
Example
Code | In Action |
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If the group is public, anybody may view it. Visitor.shouldBeAbleTo (BrowseGroup.action). if guard lets browseAction = $1 as? return browseAction.group.isPublicGroup else return false / Member may browse his groups Plus public groups GroupMemberUser.shouldBeAbleTo(BrowseGroup.action). when groupMember = $0 as a guard? Let browseAction = $1 as GroupMember? return groupMember.groupNumber == browseAction.group.groupNumber if groupMember.groupNumber == browseAction.group.groupNumber if browseAction.group.groupNumber if browseAction.group.groupNumber if browseA / A member’s groups may be posted. GroupMemberUser.shouldBeAbleTo(PostToGroup.action). when groupMember = $0 as a guard? Assume postAction = $1 for GroupMember. Return groupMember.groupNumber == postAction.group.groupNumber if groupMember.groupNumber == postAction.group.groupNumber if groupMember.groupNumber == postAction.group.groupNumber if groupMember.groupNumber == postAction.group.groupNumber if groupMember.groupN GroupAdminUser.shouldBeAbleTo(DeleteGroup.action). when groupAdmin = $0 as a guard? Allow deleteAction = $1 as GroupAdmin? return groupAdmin.groupNumber == deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if delete / SuperAdmin has complete control. = SuperAdminUser.shouldBeAbleTo(BrowseGroup.action) = SuperAdminUser.shouldBeAbleTo(DeleteGroup.action) = SuperAdminUser.shouldBeAbleTo(BrowseGroup.action) = SuperAdminUser.shouldBeAbleTo(BrowseGroup.action) |
Usage:
- Begin by mapping each role in your requirements to a protocl that extends or extends Prtocol Role. It’s worth noting that protocl inheritance may be used to represent role heirarchy.
protocol var groupNumber: Int set get groupMember: Role GroupAdmin: GroupMember protocol
- Model your actions in protocl Action-compliant classes/strcuts.
let group: Group struct BrowseGroup: Action group = Group(groupNumber: -1, isPublicGroup: false) / default froup init() / needed default initializer self.group = group init(group: Group)
- To build concrete role classes, use role protocls.
var groupNumber: Int init class GroupAdminUser: User, GroupAdmin (name: String, age: Int, groupNumber: Int) super.init(name: name, age: age) self.groupNumber = groupNumber self.groupNumber = -1 super.init() override needed init()
- Add the policies to the mix.
GroupMemberUser.shouldBeAbleTo(BrowseGroup.action). when groupMember = $0 as a guard? Let browseAction = $1 as GroupMember? return groupMember.groupNumber == browseAction.group.groupNumber if groupMember.groupNumber == browseAction.group.groupNumber if browseAction.group.groupNumber if browseAction.group.groupNumber if browseA GroupAdminUser.shouldBeAbleTo(DeleteGroup.action). when groupAdmin = $0 as a guard? Let deleteAction = $1 as GroupAdminUser? return groupAdmin.groupNumber == deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if deleteAction.group.groupNumber if delete = SuperAdminUser.shouldBeAbleTo = SuperAdminUser.shouldBeAbleTo = SuperAdminUs
- You can now check whether any user has the ability to do any action.
if member1 = GroupMemberUser; if member2 = GroupMemberUser; if member (name: “member1”, age: 18, groupNumber: 1) allow admin2 to be the GroupAdminUser (name: “admin2”, age: 22, groupNumber: 2) allow group1 to equal Group (groupNumber: 1, isPublicGroup: false) group2 = Group 2 (groupNumber: 2, isPublicGroup: false) member1.can(BrowseGroup(group: group1) / true member1.can(BrowseGroup(group: group2) / false member1.can(BrowseGroup(group: group2) / false admin2.can(BrowseGroup(group: group1) / true: GroupAdmin inherits BrowseGroup permission from GroupMember admin2.can(DeleteGroup(group: group2) / true admin2.can(DeleteGroup(group: group1) / false: GroupAdmin inherits BrowseGroup permission from GroupMember admin2.can(DeleteGroup(group: group1) / false: GroupAdmin inherits BrowseGroup permission from GroupMember admin2.can(DeleteGroup(group: group2) / true admin2.can(DeleteGroup(group:
Installation
CocoaPods may be used to install Koosa.
pod ‘Koosa’ use frameworks!
License
MIT
GitHub
https://github.com/mmabdelateef/Koosa
The swift internal vs public is a declarative framework for Attributed Role-based Access Control management. It was created by the team at IBM.
Related Tags
- swift access modifiers
- swift access control
- swift internal
- swift encapsulation
- swift private protocol