[feature] Refactor tokens, allow multiple app redirect_uris (#3849)

* [feature] Refactor tokens, allow multiple app redirect_uris

* move + tweak handlers a bit

* return error for unset oauth2.ClientStore funcs

* wrap UpdateToken with cache

* panic handling

* cheeky little time optimization

* unlock on error

2 files changed, 71 insertions, 0 deletions

diff --git a/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/application.go b/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/application.go
new file mode 100644
index 000000000..efe2776ea
--- /dev/null
+++ b/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/application.go
@@ -0,0 +1,29 @@
+// 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 gtsmodel
+
+type Application struct {
+	ID              string   `bun:"type:CHAR(26),pk,nullzero,notnull,unique"`
+	Name            string   `bun:",notnull"`
+	Website         string   `bun:",nullzero"`
+	RedirectURIs    []string `bun:"redirect_uris,array"`
+	ClientID        string   `bun:"type:CHAR(26),nullzero,notnull"`
+	ClientSecret    string   `bun:",nullzero,notnull"`
+	Scopes          string   `bun:",notnull"`
+	ManagedByUserID string   `bun:"type:CHAR(26),nullzero"`
+}
diff --git a/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/token.go b/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/token.go
new file mode 100644
index 000000000..46d30ba7d
--- /dev/null
+++ b/internal/db/bundb/migrations/20250224105654_token_app_client_refactor/token.go
@@ -0,0 +1,42 @@
+// 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 gtsmodel
+
+import "time"
+
+// Token is a translation of the gotosocial token
+// with the ExpiresIn fields replaced with ExpiresAt.
+type Token struct {
+	ID                  string    `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
+	LastUsed            time.Time `bun:"type:timestamptz,nullzero"`                // approximate time when this token was last used
+	ClientID            string    `bun:"type:CHAR(26),nullzero,notnull"`           // ID of the client who owns this token
+	UserID              string    `bun:"type:CHAR(26),nullzero"`                   // ID of the user who owns this token
+	RedirectURI         string    `bun:",nullzero,notnull"`                        // Oauth redirect URI for this token
+	Scope               string    `bun:",nullzero,notnull,default:'read'"`         // Oauth scope
+	Code                string    `bun:",pk,nullzero,notnull,default:''"`          // Code, if present
+	CodeChallenge       string    `bun:",nullzero"`                                // Code challenge, if code present
+	CodeChallengeMethod string    `bun:",nullzero"`                                // Code challenge method, if code present
+	CodeCreateAt        time.Time `bun:"type:timestamptz,nullzero"`                // Code created time, if code present
+	CodeExpiresAt       time.Time `bun:"type:timestamptz,nullzero"`                // Code expires at -- null means the code never expires
+	Access              string    `bun:",pk,nullzero,notnull,default:''"`          // User level access token, if present
+	AccessCreateAt      time.Time `bun:"type:timestamptz,nullzero"`                // User level access token created time, if access present
+	AccessExpiresAt     time.Time `bun:"type:timestamptz,nullzero"`                // User level access token expires at -- null means the token never expires
+	Refresh             string    `bun:",pk,nullzero,notnull,default:''"`          // Refresh token, if present
+	RefreshCreateAt     time.Time `bun:"type:timestamptz,nullzero"`                // Refresh created at, if refresh present
+	RefreshExpiresAt    time.Time `bun:"type:timestamptz,nullzero"`                // Refresh expires at -- null means the refresh token never expires
+}