From a7a7ce18857fa1de313eebf539e2d69b2402962d Mon Sep 17 00:00:00 2001
From: techknowlogick <techknowlogick@gitea.io>
Date: Mon, 27 Mar 2023 23:48:36 -0400
Subject: [PATCH] Add API endpoint to register runners for repos

---
 modules/structs/actions.go     | 11 +++++++
 routers/api/v1/api.go          |  5 ++++
 routers/api/v1/repo/runners.go | 52 ++++++++++++++++++++++++++++++++++
 services/convert/actions.go    | 16 +++++++++++
 templates/swagger/v1_json.tmpl | 36 +++++++++++++++++++++++
 5 files changed, 120 insertions(+)
 create mode 100644 modules/structs/actions.go
 create mode 100644 routers/api/v1/repo/runners.go
 create mode 100644 services/convert/actions.go

diff --git a/modules/structs/actions.go b/modules/structs/actions.go
new file mode 100644
index 0000000000000..12c45c74da4e0
--- /dev/null
+++ b/modules/structs/actions.go
@@ -0,0 +1,11 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package structs // import "code.gitea.io/gitea/modules/structs"
+
+// ActionRunnerToken represents an action runner token
+// swagger:model
+type ActionRunnerToken struct {
+	ID    int64  `json:"id"`
+	Token string `json:"token"`
+}
diff --git a/routers/api/v1/api.go b/routers/api/v1/api.go
index 8fd824640ff7f..5d2f37355c873 100644
--- a/routers/api/v1/api.go
+++ b/routers/api/v1/api.go
@@ -1162,6 +1162,11 @@ func Routes(ctx gocontext.Context) *web.Route {
 				}, reqAnyRepoReader())
 				m.Get("/issue_templates", context.ReferencesGitRepo(), repo.GetIssueTemplates)
 				m.Get("/languages", reqRepoReader(unit.TypeCode), repo.GetLanguages)
+
+				// TODO: list runners
+				// TODO: update runner
+				// TODO: delete runner
+				m.Put("/runners", reqToken(auth_model.AccessTokenScopeRepo), reqRepoWriter(unit.TypeActions), repo.GenerateRunnerToken)
 			}, repoAssignment())
 		})
 
diff --git a/routers/api/v1/repo/runners.go b/routers/api/v1/repo/runners.go
new file mode 100644
index 0000000000000..28072841bcc6c
--- /dev/null
+++ b/routers/api/v1/repo/runners.go
@@ -0,0 +1,52 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"errors"
+	"net/http"
+
+	actions_model "code.gitea.io/gitea/models/actions"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/services/convert"
+)
+
+// GenerateRunnerToken generate a new runner token for a repository.
+func GenerateRunnerToken(ctx *context.APIContext) {
+	// swagger:operation PUT /repos/{owner}/{repo}/runners repository repoGenerateRunnerToken
+	// ---
+	// summary: Generate a new runner token for a repository.
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/ActionRunnerToken"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+
+	token, err := actions_model.GetUnactivatedRunnerToken(ctx, ctx.Repo.Owner.ID, ctx.Repo.Repository.ID)
+	if errors.Is(err, util.ErrNotExist) {
+		token, err = actions_model.NewRunnerToken(ctx, ctx.Repo.Owner.ID, ctx.Repo.Repository.ID)
+		if err != nil {
+			ctx.ServerError("CreateRunnerToken", err)
+			return
+		}
+	} else if err != nil {
+		ctx.ServerError("GetUnactivatedRunnerToken", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, convert.ToAPIActionRunnerToken(token))
+}
diff --git a/services/convert/actions.go b/services/convert/actions.go
new file mode 100644
index 0000000000000..e567d936e6f07
--- /dev/null
+++ b/services/convert/actions.go
@@ -0,0 +1,16 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package convert
+
+import (
+	actions_model "code.gitea.io/gitea/models/actions"
+	api "code.gitea.io/gitea/modules/structs"
+)
+
+func ToAPIActionRunnerToken(token *actions_model.ActionRunnerToken) *api.ActionRunnerToken {
+	return &api.ActionRunnerToken{
+		ID:    token.ID,
+		Token: token.Token,
+	}
+}
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 0f7e60c598bf8..cb305d28d0539 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -10648,6 +10648,42 @@
         }
       }
     },
+    "/repos/{owner}/{repo}/runners": {
+      "put": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Generate a new runner token for a repository.",
+        "operationId": "repoGenerateRunnerToken",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/ActionRunnerToken"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          }
+        }
+      }
+    },
     "/repos/{owner}/{repo}/signing-key.gpg": {
       "get": {
         "produces": [