feat: add simple Oauth2 logic for github

backend/docs/docs.go

@@ -15,6 +15,32 @@ const docTemplate = `{
     "host": "{{.Host}}",
     "basePath": "{{.BasePath}}",
     "paths": {
+        "/callback": {
+            "get": {
+                "description": "Callback for oauth2 providers",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "auth"
+                ],
+                "summary": "Callback for oauth2 providers",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": {
+                                "type": "string"
+                            }
+                        }
+                    }
+                }
+            }
+        },
         "/posts": {
             "get": {
                 "description": "Get all posts",

backend/docs/swagger.json

@@ -4,6 +4,32 @@
         "contact": {}
     },
     "paths": {
+        "/callback": {
+            "get": {
+                "description": "Callback for oauth2 providers",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "auth"
+                ],
+                "summary": "Callback for oauth2 providers",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": {
+                                "type": "string"
+                            }
+                        }
+                    }
+                }
+            }
+        },
         "/posts": {
             "get": {
                 "description": "Get all posts",

backend/docs/swagger.yaml

@@ -32,6 +32,23 @@ definitions:
 info:
   contact: {}
 paths:
+  /callback:
+    get:
+      consumes:
+      - application/json
+      description: Callback for oauth2 providers
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Callback for oauth2 providers
+      tags:
+      - auth
   /posts:
     get:
       consumes:

backend/go.mod

@@ -57,6 +57,7 @@ require (
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/mod v0.32.0 // indirect
 	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/oauth2 v0.35.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/text v0.33.0 // indirect

backend/go.sum

@@ -138,6 +138,8 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
 golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
 golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
+golang.org/x/oauth2 v0.35.0 h1:Mv2mzuHuZuY2+bkyWXIHMfhNdJAdwW3FuWeCPYN5GVQ=
+golang.org/x/oauth2 v0.35.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=

backend/internal/handlers/auth_handlers.go

@@ -1,17 +1,30 @@
 package handlers
 
 import (
-	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/repositories"
+	"os"
 
+	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/logger"
+	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/repositories"
 	"github.com/gin-gonic/gin"
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/endpoints"
 )
 
 type AuthHandlers struct {
 	repo   repositories.AuthRepository
+	logger *logger.Logger
+}
+
+var configGithub = &oauth2.Config{
+	ClientID:     os.Getenv("GITHUB_CLIENT_ID"),
+	ClientSecret: os.Getenv("GITHUB_CLIENT_SECRET"),
+	RedirectURL:  "https://d3m0k1d.ru/",
+	Scopes:       []string{"user"},
+	Endpoint:     endpoints.GitHub,
 }
 
 func NewAuthHandlers(repo repositories.AuthRepository) *AuthHandlers {
-	return &AuthHandlers{repo: repo}
+	return &AuthHandlers{repo: repo, logger: logger.New(false)}
 }
 
 // Callback godoc
@@ -21,7 +34,15 @@ func NewAuthHandlers(repo repositories.AuthRepository) *AuthHandlers {
 // @Accept  json
 // @Produce  json
 // @Success 200 {object} map[string]string
-// @Router /callback [get]
+// @Router /callback/github [get]
-func (h *AuthHandlers) Callback(c *gin.Context) {
+func (h *AuthHandlers) CallbackGithub(c *gin.Context) {
+	h.logger.Info("CallbackGithub called")
 
+	token, err := configGithub.Exchange(c.Request.Context(), c.Query("code"))
+	if err != nil {
+		h.logger.Error("error request: " + err.Error())
+		c.Status(500)
+	}
+	h.logger.Info("200 OK GET /callback/github")
+	c.JSON(200, gin.H{"token": token})
 }

backend/internal/handlers/post_handlers.go

@@ -11,14 +11,13 @@ import (
 
 type PostHandlers struct {
 	repo   repositories.PostRepository
+	logger *logger.Logger
 }
 
 func NewPostHandlers(repo repositories.PostRepository) *PostHandlers {
-	return &PostHandlers{repo: repo}
+	return &PostHandlers{repo: repo, logger: logger.New(false)}
 }
 
-var log = logger.New(false)
-
 // GetPosts godoc
 // @Summary Get all posts
 // @Description Get all posts
@@ -31,10 +30,10 @@ func (h *PostHandlers) GetPosts(c *gin.Context) {
 	var result []storage.PostReq
 	result, err := h.repo.GetAll(c.Request.Context())
 	if err != nil {
-		log.Error("error request: " + err.Error())
+		h.logger.Error("error request: " + err.Error())
 		c.Status(500)
 	}
-	log.Info("200 OK GET /posts")
+	h.logger.Info("200 OK GET /posts")
 	c.JSON(200, result)
 }
 
@@ -54,15 +53,15 @@ func (h *PostHandlers) GetPost(c *gin.Context) {
 	id_p := c.Param("id")
 	id, err := strconv.Atoi(id_p)
 	if err != nil {
-		log.Error("error request: " + err.Error())
+		h.logger.Error("error request: " + err.Error())
 		c.Status(500)
 	}
 	result, err = h.repo.GetByID(c.Request.Context(), id)
 	if err != nil {
-		log.Error("error request: " + err.Error())
+		h.logger.Error("error request: " + err.Error())
 		c.Status(500)
 	}
-	log.Info("200 OK GET /posts/" + id_p)
+	h.logger.Info("200 OK GET /posts/" + id_p)
 	c.JSON(200, result)
 	// TODO: added validaton for 400 response
 }
@@ -112,7 +111,7 @@ func (h *PostHandlers) UpdatePost(c *gin.Context) {
 	id_p := c.Param("id")
 	id, err := strconv.Atoi(id_p)
 	if err != nil {
-		log.Error("error request: " + err.Error())
+		h.logger.Error("error request: " + err.Error())
 		c.Status(500)
 	}
 	var req storage.Post
@@ -127,7 +126,7 @@ func (h *PostHandlers) UpdatePost(c *gin.Context) {
 	}
 
 	c.JSON(200, req)
-	log.Info("200 OK PUT /posts/" + id_p)
+	h.logger.Info("200 OK PUT /posts/" + id_p)
 }
 
 // DeletePost godoc
@@ -139,5 +138,4 @@ func (h *PostHandlers) UpdatePost(c *gin.Context) {
 // @Success 200 {object} storage.Post
 // @Router /posts/{id} [delete]
 func DeletePost(c *gin.Context) {
-	log.Info("DeletePost")
 }

backend/internal/handlers/registry_handlers.go

@@ -11,7 +11,7 @@ func Register(router *gin.Engine, db *sql.DB) {
 	handler_posts := NewPostHandlers(repositories.NewPostRepository(db))
 	handler_auth := NewAuthHandlers(repositories.NewAuthRepository(db))
 	v1 := router.Group("api/v1")
-	v1.GET("/callback", handler_auth.Callback)
+	v1.GET("/callback", handler_auth.CallbackGithub)
 	posts := v1.Group("posts")
 	{
 		posts.GET("/", handler_posts.GetPosts)