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probo/pkg/iam/iam_policies.go
Bryan Frimin 11770b4058 Add OAuth2/OpenID Connect authorization server 
Implement a full OAuth2 2.0 and OpenID Connect 1.0 authorization
server with support for authorization code flow (with PKCE),
refresh token rotation, device authorization grant, dynamic
client registration, token introspection, and token revocation.

Includes database schema, coredata layer, service logic, HTTP
handlers, OIDC discovery endpoint, and JWKS publishing.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>
2026-04-19 12:00:53 +02:00

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// Copyright (c) 2025-2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package iam
import "go.probo.inc/probo/pkg/iam/policy"
// IAM Policies
//
// These policies define access control for the IAM service.
// They are applied in addition to role-based organization policies.
// IAMSelfManageIdentityPolicy allows users to manage their own identity.
// This is applied to all authenticated users regardless of organization membership.
var IAMSelfManageIdentityPolicy = policy.NewPolicy(
"iam:self-manage-identity",
"Self-Manage Identity",
// Users can view and update their own identity
policy.Allow(
ActionIdentityGet,
ActionIdentityUpdate,
ActionIdentityDelete,
).
WithSID("manage-own-identity").
When(policy.Equals("principal.id", "resource.identity_id")),
// Users can list their own memberships, invitations, sessions, and API keys
policy.Allow(
ActionMembershipList,
ActionInvitationList,
ActionSessionList,
ActionPersonalAPIKeyList,
).
WithSID("list-own-associations").
When(policy.Equals("principal.id", "resource.identity_id")),
).
WithDescription("Allows users to manage their own identity, sessions, API keys, and view their memberships")
// IAMSelfManageSessionPolicy allows users to manage their own sessions.
var IAMSelfManageSessionPolicy = policy.NewPolicy(
"iam:self-manage-session",
"Self-Manage Sessions",
// Users can view and revoke their own sessions
policy.Allow(
ActionSessionGet,
ActionSessionRevoke,
ActionSessionRevokeAll,
).
WithSID("manage-own-sessions").
When(policy.Equals("principal.id", "resource.identity_id")),
).
WithDescription("Allows users to view and revoke their own sessions")
// IAMSelfManageInvitationPolicy allows users to manage invitations sent to them.
var IAMSelfManageInvitationPolicy = policy.NewPolicy(
"iam:self-manage-invitation",
"Self-Manage Invitations",
// Users can view and accept invitations sent to their email
policy.Allow(
ActionInvitationGet,
ActionInvitationAccept,
).
WithSID("manage-own-invitations").
When(policy.Equals("principal.email", "resource.email")),
).
WithDescription("Allows users to view and accept invitations sent to them")
// IAMSelfManageProfilePolicy allows users to view their own profiles.
var IAMSelfManageProfilePolicy = policy.NewPolicy(
"iam:self-manage-profile",
"Self-Manage Profiles",
// Users can view their own profiles
policy.Allow(
ActionMembershipProfileGet,
ActionMembershipProfileList,
).
WithSID("view-own-profiles").
When(policy.Equals("principal.id", "resource.identity_id")),
).
WithDescription("Allows users to view their organization profiles")
// IAMSelfManageMembershipPolicy allows users to view their own memberships.
var IAMSelfManageMembershipPolicy = policy.NewPolicy(
"iam:self-manage-membership",
"Self-Manage Memberships",
// Users can view their own memberships
policy.Allow(ActionMembershipGet).
WithSID("view-own-memberships").
When(policy.Equals("principal.id", "resource.identity_id")),
).
WithDescription("Allows users to view their organization memberships")
// IAMSelfManagePersonalAPIKeyPolicy allows users to manage their own API keys.
var IAMSelfManagePersonalAPIKeyPolicy = policy.NewPolicy(
"iam:self-manage-personal-api-key",
"Self-Manage Personal API Keys",
// Users can create, view, update, and delete their own API keys
policy.Allow(
ActionPersonalAPIKeyCreate,
ActionPersonalAPIKeyGet,
ActionPersonalAPIKeyUpdate,
ActionPersonalAPIKeyDelete,
).
WithSID("manage-own-api-keys").
When(policy.Equals("principal.id", "resource.identity_id")),
).
WithDescription("Allows users to manage their own personal API keys")
// IAMSelfManageOAuth2ConsentPolicy allows users to manage their own OAuth2 consents.
var IAMSelfManageOAuth2ConsentPolicy = policy.NewPolicy(
"iam:self-manage-oauth2-consent",
"Self-Manage OAuth2 Consents",
policy.Allow(
ActionOAuth2ConsentGet,
ActionOAuth2ConsentApprove,
).
WithSID("manage-own-consents").
When(
policy.Equals("principal.id", "resource.identity_id"),
policy.Equals("principal.session_id", "resource.session_id"),
),
).
WithDescription("Allows users to view and approve their own OAuth2 consents")
// IAMOwnerPolicy defines permissions for organization owners.
var IAMOwnerPolicy = policy.NewPolicy(
"iam:owner",
"Organization Owner",
// Full access to organization management
policy.Allow("iam:organization:*").
WithSID("full-org-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to member management (scoped to own organization), except deletion on SCIM sourced memberships
policy.Allow(
ActionMembershipGet,
ActionMembershipList,
ActionMembershipUpdate,
).
WithSID("membership-owner-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
policy.Allow(
ActionMembershipDelete,
).
WithSID("membership-deletion-owner-access").
When(
policy.Equals("principal.organization_id", "resource.organization_id"),
policy.NotEquals("resource.source", "SCIM"),
),
// Can set other members OWNER
policy.Allow(ActionMembershipRoleSetOwner).
WithSID("membership-role-owner-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to membership profiles (scoped to own organization)
policy.Allow(
ActionMembershipProfileGet,
ActionMembershipProfileList,
ActionMembershipProfileCreate,
ActionMembershipProfileUpdate,
ActionMembershipProfileDelete,
ActionMembershipProfileActivate,
ActionMembershipProfileDeactivate,
).
WithSID("full-membership-profile-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view identities of members in the same organization
policy.Allow(ActionIdentityGet).
WithSID("view-member-identity").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can manage invitations (scoped to own organization)
policy.Allow(
ActionInvitationList,
ActionInvitationCreate,
ActionInvitationGet,
ActionInvitationList,
ActionInvitationDelete,
).
WithSID("manage-invitations").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to SAML configuration management (scoped to own organization)
policy.Allow("iam:saml-configuration:*").
WithSID("full-saml-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to SCIM configuration management (scoped to own organization)
policy.Allow("iam:scim-configuration:*").
WithSID("full-scim-configuration-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to SCIM event viewing (scoped to own organization)
policy.Allow("iam:scim-event:*").
WithSID("full-scim-event-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Allow updating SCIM bridge settings (scoped to own organization)
policy.Allow(ActionSCIMBridgeUpdate).
WithSID("scim-bridge-update-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Full access to audit log entries (scoped to own organization)
policy.Allow(
ActionAuditLogEntryGet,
ActionAuditLogEntryList,
).
WithSID("audit-log-entry-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
).
WithDescription("Full IAM access for organization owners")
// IAMAdminPolicy defines permissions for organization admins.
var IAMAdminPolicy = policy.NewPolicy(
"iam:admin",
"Organization Admin",
// Can view and update organization (but not delete)
policy.Allow(
ActionOrganizationGet,
ActionOrganizationUpdate,
ActionMembershipList,
ActionInvitationList,
ActionInvitationCreate,
).
WithSID("org-admin-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can manage memberships (scoped to own organization)
policy.Allow(
ActionMembershipGet,
).
WithSID("membership-admin-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
policy.Allow(
ActionMembershipUpdate,
).
WithSID("membership-role-admin-access").
When(
policy.Equals("principal.organization_id", "resource.organization_id"),
policy.NotEquals("resource.role", "OWNER"),
),
// Can view membership profiles (scoped to own organization)
policy.Allow(
ActionMembershipProfileGet,
ActionMembershipProfileList,
ActionMembershipProfileCreate,
ActionMembershipProfileUpdate,
ActionMembershipProfileDelete,
ActionMembershipProfileActivate,
ActionMembershipProfileDeactivate,
).
WithSID("membership-profile-admin-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view identities of members in the same organization
policy.Allow(ActionIdentityGet).
WithSID("view-member-identity").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can manage invitations (scoped to own organization)
policy.Allow(
ActionInvitationGet,
ActionInvitationDelete,
).
WithSID("invitation-admin-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view SAML configurations (scoped to own organization)
policy.Allow(ActionSAMLConfigurationGet).
WithSID("saml-configuration-admin-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Cannot delete organization
policy.Deny(ActionOrganizationDelete).
WithSID("deny-org-delete"),
// Cannot remove members (only owner can)
policy.Deny(ActionMembershipDelete).
WithSID("deny-remove-member"),
// Cannot manage SAML configurations (only owner can)
policy.Deny(
ActionSAMLConfigurationCreate,
ActionSAMLConfigurationUpdate,
ActionSAMLConfigurationDelete,
).
WithSID("deny-saml-management"),
// Can view SCIM configuration and events (scoped to own organization)
policy.Allow(
ActionSCIMConfigurationGet,
ActionSCIMEventList,
ActionSCIMEventGet,
).
WithSID("scim-admin-view-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Cannot manage SCIM configurations (only owner can)
policy.Deny(
ActionSCIMConfigurationCreate,
ActionSCIMConfigurationUpdate,
ActionSCIMConfigurationDelete,
).
WithSID("deny-scim-management"),
// Can view audit log entries (scoped to own organization)
policy.Allow(
ActionAuditLogEntryGet,
ActionAuditLogEntryList,
).
WithSID("audit-log-entry-admin-access").
When(
policy.Equals("principal.organization_id", "resource.organization_id"),
),
).
WithDescription("IAM admin access - can manage members but cannot delete organization or manage SAML/SCIM")
// IAMViewerPolicy defines permissions for organization viewers.
var IAMViewerPolicy = policy.NewPolicy(
"iam:viewer",
"Organization Viewer",
// Read-only access to organization
policy.Allow(
ActionOrganizationGet,
ActionMembershipList,
ActionInvitationList,
).
WithSID("org-viewer-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view memberships (scoped to own organization)
policy.Allow(ActionMembershipGet).
WithSID("membership-viewer-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view membership profiles (scoped to own organization)
policy.Allow(
ActionMembershipProfileGet,
ActionMembershipProfileList,
).
WithSID("membership-profile-viewer-access").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view identities of members in the same organization
policy.Allow(ActionIdentityGet).
WithSID("view-member-identity").
When(policy.Equals("principal.organization_id", "resource.organization_id")),
// Can view audit log entries (scoped to own organization)
policy.Allow(
ActionAuditLogEntryGet,
ActionAuditLogEntryList,
).
WithSID("audit-log-entry-viewer-access").
When(
policy.Equals("principal.organization_id", "resource.organization_id"),
),
).
WithDescription("Read-only IAM access for organization viewers")
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