Add PermissionSets for Group, MemberGroup, MembershipFeeType, MembershipFeeCycle

- Extend permission_sets.ex with resources and pages for new domains
- Adjust HasPermission check for resource/action/scope
- Update roles-and-permissions and implementation-plan docs
- Add permission_sets_test.exs coverage
This commit is contained in:
Moritz 2026-02-03 23:52:09 +01:00
parent 36b7031dca
commit 893f9453bd
5 changed files with 449 additions and 113 deletions

View file

@ -50,6 +50,7 @@ defmodule Mv.Authorization.Checks.HasPermission do
- **:linked** - Filters based on resource type:
- Member: `id == actor.member_id` (User.member_id Member.id, inverse relationship)
- CustomFieldValue: `member_id == actor.member_id` (CustomFieldValue.member_id Member.id User.member_id)
- MemberGroup: `member_id == actor.member_id` (MemberGroup.member_id Member.id User.member_id)
## Error Handling
@ -278,36 +279,28 @@ defmodule Mv.Authorization.Checks.HasPermission do
# For :own scope with User resource: id == actor.id
# For :linked scope with Member resource: id == actor.member_id
defp evaluate_filter_for_strict_check(_filter_expr, actor, record, resource_name) do
case {resource_name, record} do
{"User", %{id: user_id}} when not is_nil(user_id) ->
# Check if this user's ID matches the actor's ID (scope :own)
if user_id == actor.id do
{:ok, true}
else
{:ok, false}
end
result =
case {resource_name, record} do
# Scope :own
{"User", %{id: user_id}} when not is_nil(user_id) ->
user_id == actor.id
{"Member", %{id: member_id}} when not is_nil(member_id) ->
# Check if this member's ID matches the actor's member_id
if member_id == actor.member_id do
{:ok, true}
else
{:ok, false}
end
# Scope :linked
{"Member", %{id: member_id}} when not is_nil(member_id) ->
member_id == actor.member_id
{"CustomFieldValue", %{member_id: cfv_member_id}} when not is_nil(cfv_member_id) ->
# Check if this CFV's member_id matches the actor's member_id
if cfv_member_id == actor.member_id do
{:ok, true}
else
{:ok, false}
end
{"CustomFieldValue", %{member_id: cfv_member_id}} when not is_nil(cfv_member_id) ->
cfv_member_id == actor.member_id
_ ->
# For other cases or when record is not available, return :unknown
# This will cause Ash to use auto_filter instead
{:ok, :unknown}
end
{"MemberGroup", %{member_id: mg_member_id}} when not is_nil(mg_member_id) ->
mg_member_id == actor.member_id
_ ->
:unknown
end
out = if result == :unknown, do: {:ok, :unknown}, else: {:ok, result}
out
end
# Extract resource name from module (e.g., Mv.Membership.Member -> "Member")
@ -347,24 +340,16 @@ defmodule Mv.Authorization.Checks.HasPermission do
defp apply_scope(:linked, actor, resource_name) do
case resource_name do
"Member" ->
# User.member_id → Member.id (inverse relationship)
# Filter: member.id == actor.member_id
# If actor has no member_id, return no results (use false or impossible condition)
if is_nil(actor.member_id) do
{:filter, expr(false)}
else
{:filter, expr(id == ^actor.member_id)}
end
# User.member_id → Member.id (inverse relationship). Filter: member.id == actor.member_id
linked_filter_by_member_id(actor, :id)
"CustomFieldValue" ->
# CustomFieldValue.member_id → Member.id → User.member_id
# Filter: custom_field_value.member_id == actor.member_id
# If actor has no member_id, return no results
if is_nil(actor.member_id) do
{:filter, expr(false)}
else
{:filter, expr(member_id == ^actor.member_id)}
end
linked_filter_by_member_id(actor, :member_id)
"MemberGroup" ->
# MemberGroup.member_id → Member.id → User.member_id (own linked member's group associations)
linked_filter_by_member_id(actor, :member_id)
_ ->
# Fallback for other resources
@ -372,6 +357,17 @@ defmodule Mv.Authorization.Checks.HasPermission do
end
end
# Returns {:filter, expr(false)} if actor has no member_id; otherwise {:filter, expr(field == ^actor.member_id)}.
# Used for :linked scope on Member (field :id), CustomFieldValue and MemberGroup (field :member_id).
defp linked_filter_by_member_id(actor, _field) when is_nil(actor.member_id) do
{:filter, expr(false)}
end
defp linked_filter_by_member_id(actor, :id), do: {:filter, expr(id == ^actor.member_id)}
defp linked_filter_by_member_id(actor, :member_id),
do: {:filter, expr(member_id == ^actor.member_id)}
# Log authorization failures for debugging (lazy evaluation)
defp log_auth_failure(actor, resource, action, reason) do
Logger.debug(fn ->

View file

@ -58,6 +58,18 @@ defmodule Mv.Authorization.PermissionSets do
pages: [String.t()]
}
# DRY helpers for shared resource permission lists (used in own_data, read_only, normal_user)
defp perm(resource, action, scope),
do: %{resource: resource, action: action, scope: scope, granted: true}
# User: read/update own credentials only (all non-admin sets allow password changes)
defp user_own_credentials, do: [perm("User", :read, :own), perm("User", :update, :own)]
defp group_read_all, do: [perm("Group", :read, :all)]
defp custom_field_read_all, do: [perm("CustomField", :read, :all)]
defp membership_fee_type_read_all, do: [perm("MembershipFeeType", :read, :all)]
defp membership_fee_cycle_read_all, do: [perm("MembershipFeeCycle", :read, :all)]
@doc """
Returns the list of all valid permission set names.
@ -94,29 +106,21 @@ defmodule Mv.Authorization.PermissionSets do
def get_permissions(:own_data) do
%{
resources: [
# User: Can read/update own credentials only
# IMPORTANT: "read_only" refers to member data, NOT user credentials.
# All permission sets grant User.update :own to allow password changes.
%{resource: "User", action: :read, scope: :own, granted: true},
%{resource: "User", action: :update, scope: :own, granted: true},
# Member: Can read/update linked member
%{resource: "Member", action: :read, scope: :linked, granted: true},
%{resource: "Member", action: :update, scope: :linked, granted: true},
# CustomFieldValue: Can read/update/create/destroy custom field values of linked member
%{resource: "CustomFieldValue", action: :read, scope: :linked, granted: true},
%{resource: "CustomFieldValue", action: :update, scope: :linked, granted: true},
%{resource: "CustomFieldValue", action: :create, scope: :linked, granted: true},
%{resource: "CustomFieldValue", action: :destroy, scope: :linked, granted: true},
# CustomField: Can read all (needed for forms)
%{resource: "CustomField", action: :read, scope: :all, granted: true},
# Group: Can read all (needed for viewing groups)
%{resource: "Group", action: :read, scope: :all, granted: true}
],
resources:
user_own_credentials() ++
[
perm("Member", :read, :linked),
perm("Member", :update, :linked),
perm("CustomFieldValue", :read, :linked),
perm("CustomFieldValue", :update, :linked),
perm("CustomFieldValue", :create, :linked),
perm("CustomFieldValue", :destroy, :linked)
] ++
custom_field_read_all() ++
group_read_all() ++
[perm("MemberGroup", :read, :linked)] ++
membership_fee_type_read_all() ++
membership_fee_cycle_read_all(),
pages: [
# No "/" - Mitglied must not see member index at root (same content as /members).
# Own profile (sidebar links to /users/:id) and own user edit
@ -133,25 +137,17 @@ defmodule Mv.Authorization.PermissionSets do
def get_permissions(:read_only) do
%{
resources: [
# User: Can read/update own credentials only
# IMPORTANT: "read_only" refers to member data, NOT user credentials.
# All permission sets grant User.update :own to allow password changes.
%{resource: "User", action: :read, scope: :own, granted: true},
%{resource: "User", action: :update, scope: :own, granted: true},
# Member: Can read all members, no modifications
%{resource: "Member", action: :read, scope: :all, granted: true},
# CustomFieldValue: Can read all custom field values
%{resource: "CustomFieldValue", action: :read, scope: :all, granted: true},
# CustomField: Can read all
%{resource: "CustomField", action: :read, scope: :all, granted: true},
# Group: Can read all
%{resource: "Group", action: :read, scope: :all, granted: true}
],
resources:
user_own_credentials() ++
[
perm("Member", :read, :all),
perm("CustomFieldValue", :read, :all)
] ++
custom_field_read_all() ++
group_read_all() ++
[perm("MemberGroup", :read, :all)] ++
membership_fee_type_read_all() ++
membership_fee_cycle_read_all(),
pages: [
"/",
# Own profile (sidebar links to /users/:id; redirect target must be allowed)
@ -176,31 +172,37 @@ defmodule Mv.Authorization.PermissionSets do
def get_permissions(:normal_user) do
%{
resources: [
# User: Can read/update own credentials only
# IMPORTANT: "read_only" refers to member data, NOT user credentials.
# All permission sets grant User.update :own to allow password changes.
%{resource: "User", action: :read, scope: :own, granted: true},
%{resource: "User", action: :update, scope: :own, granted: true},
# Member: Full CRUD except destroy (safety)
%{resource: "Member", action: :read, scope: :all, granted: true},
%{resource: "Member", action: :create, scope: :all, granted: true},
%{resource: "Member", action: :update, scope: :all, granted: true},
# Note: destroy intentionally omitted for safety
# CustomFieldValue: Full CRUD
%{resource: "CustomFieldValue", action: :read, scope: :all, granted: true},
%{resource: "CustomFieldValue", action: :create, scope: :all, granted: true},
%{resource: "CustomFieldValue", action: :update, scope: :all, granted: true},
%{resource: "CustomFieldValue", action: :destroy, scope: :all, granted: true},
# CustomField: Read only (admin manages definitions)
%{resource: "CustomField", action: :read, scope: :all, granted: true},
# Group: Can read all
%{resource: "Group", action: :read, scope: :all, granted: true}
],
resources:
user_own_credentials() ++
[
perm("Member", :read, :all),
perm("Member", :create, :all),
perm("Member", :update, :all),
# destroy intentionally omitted for safety
perm("CustomFieldValue", :read, :all),
perm("CustomFieldValue", :create, :all),
perm("CustomFieldValue", :update, :all),
perm("CustomFieldValue", :destroy, :all)
] ++
custom_field_read_all() ++
[
perm("Group", :read, :all),
perm("Group", :create, :all),
perm("Group", :update, :all),
perm("Group", :destroy, :all)
] ++
[
perm("MemberGroup", :read, :all),
perm("MemberGroup", :create, :all),
perm("MemberGroup", :destroy, :all)
] ++
membership_fee_type_read_all() ++
[
perm("MembershipFeeCycle", :read, :all),
perm("MembershipFeeCycle", :create, :all),
perm("MembershipFeeCycle", :update, :all),
perm("MembershipFeeCycle", :destroy, :all)
],
pages: [
"/",
# Own profile (sidebar links to /users/:id; redirect target must be allowed)
@ -221,8 +223,12 @@ defmodule Mv.Authorization.PermissionSets do
"/custom_field_values/:id/edit",
# Groups overview
"/groups",
# Create group
"/groups/new",
# Group detail
"/groups/:slug"
"/groups/:slug",
# Edit group
"/groups/:slug/edit"
]
}
end
@ -264,9 +270,29 @@ defmodule Mv.Authorization.PermissionSets do
%{resource: "Group", action: :read, scope: :all, granted: true},
%{resource: "Group", action: :create, scope: :all, granted: true},
%{resource: "Group", action: :update, scope: :all, granted: true},
%{resource: "Group", action: :destroy, scope: :all, granted: true}
%{resource: "Group", action: :destroy, scope: :all, granted: true},
# MemberGroup: Full CRUD
%{resource: "MemberGroup", action: :read, scope: :all, granted: true},
%{resource: "MemberGroup", action: :create, scope: :all, granted: true},
%{resource: "MemberGroup", action: :destroy, scope: :all, granted: true},
# MembershipFeeType: Full CRUD (admin manages fee types)
%{resource: "MembershipFeeType", action: :read, scope: :all, granted: true},
%{resource: "MembershipFeeType", action: :create, scope: :all, granted: true},
%{resource: "MembershipFeeType", action: :update, scope: :all, granted: true},
%{resource: "MembershipFeeType", action: :destroy, scope: :all, granted: true},
# MembershipFeeCycle: Full CRUD
%{resource: "MembershipFeeCycle", action: :read, scope: :all, granted: true},
%{resource: "MembershipFeeCycle", action: :create, scope: :all, granted: true},
%{resource: "MembershipFeeCycle", action: :update, scope: :all, granted: true},
%{resource: "MembershipFeeCycle", action: :destroy, scope: :all, granted: true}
],
pages: [
# Explicit admin-only pages (for clarity and future restrictions)
"/settings",
"/membership_fee_settings",
# Wildcard: Admin can access all pages
"*"
]