feat(qs2) add qs2 framework

src/handlers/singleuserhdr/handlers.go

@@ -0,0 +1,75 @@
+package singleuserhdr
+
+import (
+	"errors"
+
+	"github.com/gin-gonic/gin"
+	"github.com/ihexxa/gocfg"
+
+	"github.com/ihexxa/quickshare/src/depidx"
+	q "github.com/ihexxa/quickshare/src/handlers"
+)
+
+var ErrInvalidUser = errors.New("invalid user name or password")
+
+type SimpleUserHandlers struct {
+	cfg  gocfg.ICfg
+	deps *depidx.Deps
+}
+
+func NewSimpleUserHandlers(cfg gocfg.ICfg, deps *depidx.Deps) *SimpleUserHandlers {
+	return &SimpleUserHandlers{
+		cfg:  cfg,
+		deps: deps,
+	}
+}
+
+func (hdr *SimpleUserHandlers) Login(c *gin.Context) {
+	userName := c.Query("username")
+	pwd := c.Query("pwd")
+	if userName == "" || pwd == "" {
+		c.JSON(q.ErrResp(c, 400, ErrInvalidUser))
+		return
+	}
+
+	expectedName, ok1 := hdr.deps.KV().GetString("username")
+	expectedPwd, ok2 := hdr.deps.KV().GetString("pwd")
+	if !ok1 || !ok2 {
+		c.JSON(q.ErrResp(c, 400, ErrInvalidUser))
+		return
+	}
+
+	if userName != expectedName || pwd != expectedPwd {
+		c.JSON(q.ErrResp(c, 400, ErrInvalidUser))
+		return
+	}
+	token, err := hdr.deps.Token().ToToken(map[string]string{
+		"username": expectedName,
+	})
+	if err != nil {
+		c.JSON(q.ErrResp(c, 500, err))
+		return
+	}
+
+	// TODO: use config
+	c.SetCookie("token", token, 3600, "/", "localhost", false, true)
+	c.JSON(q.Resp(200))
+}
+
+func (hdr *SimpleUserHandlers) Logout(c *gin.Context) {
+	token, err := c.Cookie("token")
+	if err != nil {
+		c.JSON(q.ErrResp(c, 400, err))
+		return
+	}
+
+	// TODO: // check if token expired
+	_, err = hdr.deps.Token().FromToken(token, map[string]string{"token": ""})
+	if err != nil {
+		c.JSON(q.ErrResp(c, 400, err))
+		return
+	}
+
+	c.SetCookie("token", "", 0, "/", "localhost", false, true)
+	c.JSON(q.Resp(200))
+}