[feature] Fetch + create domain permissions from subscriptions nightly (#3635)

* peepeepoopoo

* test domain perm subs

* swagger

* envparsing

* dries your wets

* start on docs

* finish up docs

* copy paste errors

* rename actions package

* rename force -> skipCache

* move obfuscate parse nearer to where err is checked

* make higherPrios a simple slice

* don't use receiver for permsFrom funcs

* add more context to error logs

* defer finished log

* use switch for permType instead of if/else

* thanks linter, love you <3

* validate csv headers before full read

* use bufio scanner

internal/admin/domainkeys.go

@@ -0,0 +1,51 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package admin
+
+import (
+	"context"
+	"time"
+
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+func (a *Actions) DomainKeysExpireF(domain string) ActionF {
+	return func(ctx context.Context) gtserror.MultiError {
+		var (
+			expiresAt = time.Now()
+			errs      gtserror.MultiError
+		)
+
+		// For each account on this domain, expire
+		// the public key and update the account.
+		if err := a.rangeDomainAccounts(ctx, domain, func(account *gtsmodel.Account) {
+			account.PublicKeyExpiresAt = expiresAt
+			if err := a.db.UpdateAccount(ctx,
+				account,
+				"public_key_expires_at",
+			); err != nil {
+				errs.Appendf("db error updating account: %w", err)
+			}
+		}); err != nil {
+			errs.Appendf("db error ranging through accounts: %w", err)
+		}
+
+		return errs
+	}
+}