[GITEA] rework long-term authentication (squash) add migration

Reminder: the migration is run via integration tests as explained
in the commit "[DB] run all Forgejo migrations in integration tests"

(cherry picked from commit 4accf7443c)

models/forgejo_migrations/migrate.go

@@ -40,6 +40,8 @@ var migrations = []*Migration{
 	NewMigration("Add Forgejo Blocked Users table", forgejo_v1_20.AddForgejoBlockedUser),
 	// v2 -> v3
 	NewMigration("create the forgejo_sem_ver table", forgejo_v1_20.CreateSemVerTable),
+	// v2 -> v3
+	NewMigration("create the forgejo_auth_token table", forgejo_v1_20.CreateAuthorizationTokenTable),
 }
 
 // GetCurrentDBVersion returns the current Forgejo database version.

models/forgejo_migrations/v1_20/v3.go

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: MIT
+
+package forgejo_v1_20 //nolint:revive
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+type AuthorizationToken struct {
+	ID              int64  `xorm:"pk autoincr"`
+	UID             int64  `xorm:"INDEX"`
+	LookupKey       string `xorm:"INDEX UNIQUE"`
+	HashedValidator string
+	Expiry          timeutil.TimeStamp
+}
+
+func (AuthorizationToken) TableName() string {
+	return "forgejo_auth_token"
+}
+
+func CreateAuthorizationTokenTable(x *xorm.Engine) error {
+	return x.Sync(new(AuthorizationToken))
+}