[feature] Add domain permission drafts and excludes (#3547)

* [feature] Add domain permission drafts and excludes

* fix typescript complaining

* lint

* make filenames more consistent

* test own domain excluded

internal/api/client/admin/domainpermissiondraftcreate.go

@@ -0,0 +1,176 @@
+// 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 (
+	"errors"
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+// DomainPermissionDraftsPOSTHandler swagger:operation POST /api/v1/admin/domain_permission_drafts domainPermissionDraftCreate
+//
+// Create a domain permission draft with the given parameters.
+//
+//	---
+//	tags:
+//	- admin
+//
+//	consumes:
+//	- multipart/form-data
+//	- application/json
+//
+//	produces:
+//	- application/json
+//
+//	parameters:
+//	-
+//		name: domain
+//		in: formData
+//		description: Domain to create the permission draft for.
+//		type: string
+//	-
+//		name: permission_type
+//		in: formData
+//		description: Create a draft "allow" or a draft "block".
+//		type: string
+//	-
+//		name: obfuscate
+//		in: formData
+//		description: >-
+//			Obfuscate the name of the domain when serving it publicly.
+//			Eg., `example.org` becomes something like `ex***e.org`.
+//		type: boolean
+//	-
+//		name: public_comment
+//		in: formData
+//		description: >-
+//			Public comment about this domain permission.
+//			This will be displayed alongside the domain permission if you choose to share permissions.
+//		type: string
+//	-
+//		name: private_comment
+//		in: formData
+//		description: >-
+//			Private comment about this domain permission. Will only be shown to other admins, so this
+//			is a useful way of internally keeping track of why a certain domain ended up permissioned.
+//		type: string
+//
+//	security:
+//	- OAuth2 Bearer:
+//		- admin
+//
+//	responses:
+//		'200':
+//			description: The newly created domain permission draft.
+//			schema:
+//				"$ref": "#/definitions/domainPermission"
+//		'400':
+//			description: bad request
+//		'401':
+//			description: unauthorized
+//		'403':
+//			description: forbidden
+//		'406':
+//			description: not acceptable
+//		'409':
+//			description: conflict
+//		'500':
+//			description: internal server error
+func (m *Module) DomainPermissionDraftsPOSTHandler(c *gin.Context) {
+	authed, err := oauth.Authed(c, true, true, true, true)
+	if err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1)
+		return
+	}
+
+	if !*authed.User.Admin {
+		err := fmt.Errorf("user %s not an admin", authed.User.ID)
+		apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGetV1)
+		return
+	}
+
+	if authed.Account.IsMoving() {
+		apiutil.ForbiddenAfterMove(c)
+		return
+	}
+
+	if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1)
+		return
+	}
+
+	// Parse + validate form.
+	form := new(apimodel.DomainPermissionRequest)
+	if err := c.ShouldBind(form); err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
+		return
+	}
+
+	if form.Domain == "" {
+		const errText = "domain must be set"
+		errWithCode := gtserror.NewErrorBadRequest(errors.New(errText), errText)
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
+		return
+	}
+
+	var (
+		permType gtsmodel.DomainPermissionType
+		errText  string
+	)
+
+	switch pt := form.PermissionType; pt {
+	case "block":
+		permType = gtsmodel.DomainPermissionBlock
+	case "allow":
+		permType = gtsmodel.DomainPermissionAllow
+	case "":
+		errText = "permission_type not set, must be one of block or allow"
+	default:
+		errText = fmt.Sprintf("permission_type %s not recognized, must be one of block or allow", pt)
+	}
+
+	if errText != "" {
+		errWithCode := gtserror.NewErrorBadRequest(errors.New(errText), errText)
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
+		return
+	}
+
+	permDraft, errWithCode := m.processor.Admin().DomainPermissionDraftCreate(
+		c.Request.Context(),
+		authed.Account,
+		form.Domain,
+		permType,
+		form.Obfuscate,
+		form.PublicComment,
+		form.PrivateComment,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
+		return
+	}
+
+	apiutil.JSON(c, http.StatusOK, permDraft)
+}