add api & config

api/config_resolver.go

@@ -0,0 +1,174 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/core/registry"
+	"github.com/go-gost/x/config"
+	"github.com/go-gost/x/config/parsing"
+)
+
+// swagger:parameters createResolverRequest
+type createResolverRequest struct {
+	// in: body
+	Data config.ResolverConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response createResolverResponse
+type createResolverResponse struct {
+	Data Response
+}
+
+func createResolver(ctx *gin.Context) {
+	// swagger:route POST /config/resolvers ConfigManagement createResolverRequest
+	//
+	// Create a new resolver, the name of the resolver must be unique in resolver list.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: createResolverResponse
+
+	var req createResolverRequest
+	ctx.ShouldBindJSON(&req.Data)
+
+	if req.Data.Name == "" {
+		writeError(ctx, ErrInvalid)
+		return
+	}
+
+	v, err := parsing.ParseResolver(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	if err := registry.ResolverRegistry().Register(req.Data.Name, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	cfg.Resolvers = append(cfg.Resolvers, &req.Data)
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters updateResolverRequest
+type updateResolverRequest struct {
+	// in: path
+	// required: true
+	Resolver string `uri:"resolver" json:"resolver"`
+	// in: body
+	Data config.ResolverConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response updateResolverResponse
+type updateResolverResponse struct {
+	Data Response
+}
+
+func updateResolver(ctx *gin.Context) {
+	// swagger:route PUT /config/resolvers/{resolver} ConfigManagement updateResolverRequest
+	//
+	// Update resolver by name, the resolver must already exist.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: updateResolverResponse
+
+	var req updateResolverRequest
+	ctx.ShouldBindUri(&req)
+	ctx.ShouldBindJSON(&req.Data)
+
+	if !registry.ResolverRegistry().IsRegistered(req.Resolver) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+
+	req.Data.Name = req.Resolver
+
+	v, err := parsing.ParseResolver(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	registry.ResolverRegistry().Unregister(req.Resolver)
+
+	if err := registry.ResolverRegistry().Register(req.Resolver, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	for i := range cfg.Resolvers {
+		if cfg.Resolvers[i].Name == req.Resolver {
+			cfg.Resolvers[i] = &req.Data
+			break
+		}
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters deleteResolverRequest
+type deleteResolverRequest struct {
+	// in: path
+	// required: true
+	Resolver string `uri:"resolver" json:"resolver"`
+}
+
+// successful operation.
+// swagger:response deleteResolverResponse
+type deleteResolverResponse struct {
+	Data Response
+}
+
+func deleteResolver(ctx *gin.Context) {
+	// swagger:route DELETE /config/resolvers/{resolver} ConfigManagement deleteResolverRequest
+	//
+	// Delete resolver by name.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: deleteResolverResponse
+
+	var req deleteResolverRequest
+	ctx.ShouldBindUri(&req)
+
+	if !registry.ResolverRegistry().IsRegistered(req.Resolver) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+	registry.ResolverRegistry().Unregister(req.Resolver)
+
+	cfg := config.Global()
+	resolvers := cfg.Resolvers
+	cfg.Resolvers = nil
+	for _, s := range resolvers {
+		if s.Name == req.Resolver {
+			continue
+		}
+		cfg.Resolvers = append(cfg.Resolvers, s)
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}