103 lines
3.0 KiB
Go
103 lines
3.0 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package authz
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import (
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"context"
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"errors"
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"go.gearno.de/kit/log"
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"go.probo.inc/probo/pkg/coredata"
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"go.probo.inc/probo/pkg/gid"
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"go.probo.inc/probo/pkg/iam"
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"go.probo.inc/probo/pkg/server/api/authn"
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"go.probo.inc/probo/pkg/server/gqlutils"
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)
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type (
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AuthorizeFuncOption func(*iam.AuthorizeParams)
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AuthorizeFunc func(context.Context, gid.GID, string, ...AuthorizeFuncOption) (*coredata.Scope, error)
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)
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func WithAttr(key, value string) AuthorizeFuncOption {
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return func(params *iam.AuthorizeParams) {
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params.ResourceAttributes[key] = value
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}
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}
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// Use this option when it makes no sense to check whether the viewer is assuming the org of the accessed resource
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// Example: on the viewer memberships page, we're accessing several organization names, but the viewer isn't assuming one yet.
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func WithSkipAssumptionCheck() AuthorizeFuncOption {
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return func(params *iam.AuthorizeParams) {
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params.SkipAssumptionCheck = true
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}
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}
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func WithDryRun() AuthorizeFuncOption {
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return func(params *iam.AuthorizeParams) {
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params.DryRun = true
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}
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}
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func NewAuthorizeFunc(
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svc *iam.Service,
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logger *log.Logger,
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) AuthorizeFunc {
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return func(
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ctx context.Context,
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objectID gid.GID,
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action string,
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options ...AuthorizeFuncOption,
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) (*coredata.Scope, error) {
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identity := authn.IdentityFromContext(ctx)
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session := authn.SessionFromContext(ctx)
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params := iam.AuthorizeParams{
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Principal: identity.ID,
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Resource: objectID,
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Action: action,
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ResourceAttributes: make(map[string]string),
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}
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if session != nil {
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params.Session = &session.ID
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}
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for _, option := range options {
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option(¶ms)
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}
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scope, err := svc.Authorizer.Authorize(ctx, params)
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if err != nil {
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if _, ok := errors.AsType[*iam.ErrAssumptionRequired](err); ok {
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return nil, gqlutils.AssumptionRequired(ctx, err)
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}
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if _, ok := errors.AsType[*iam.ErrInsufficientPermissions](err); ok {
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return nil, gqlutils.Forbidden(ctx, err)
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}
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if errors.Is(err, coredata.ErrResourceNotFound) {
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return nil, gqlutils.NotFoundf(ctx, "resource not found")
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}
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logger.ErrorCtx(ctx, "cannot authorize", log.Error(err))
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return nil, gqlutils.Internal(ctx)
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}
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return scope, nil
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}
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}
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