add web api

pkg/api/config_hosts.go

@@ -0,0 +1,158 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/gost/pkg/config"
+	"github.com/go-gost/gost/pkg/config/parsing"
+	"github.com/go-gost/gost/pkg/registry"
+)
+
+// swagger:parameters createHostsRequest
+type createHostsRequest struct {
+	// in: body
+	Data config.HostsConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response createHostsResponse
+type createHostsesponse struct {
+	Data Response
+}
+
+func createHosts(ctx *gin.Context) {
+	// swagger:route POST /config/hosts ConfigManagement createHostsRequest
+	//
+	// create a new hosts, the name of the hosts must be unique in hosts list.
+	//
+	//     Responses:
+	//       200: createHostsResponse
+
+	var req createHostsRequest
+	ctx.ShouldBindJSON(&req.Data)
+
+	if req.Data.Name == "" {
+		writeError(ctx, ErrInvalid)
+		return
+	}
+
+	v := parsing.ParseHosts(&req.Data)
+
+	if err := registry.Hosts().Register(req.Data.Name, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	cfg.Hosts = append(cfg.Hosts, &req.Data)
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters updateHostsRequest
+type updateHostsRequest struct {
+	// in: path
+	// required: true
+	Hosts string `uri:"hosts" json:"hosts"`
+	// in: body
+	Data config.HostsConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response updateHostsResponse
+type updateHostsResponse struct {
+	Data Response
+}
+
+func updateHosts(ctx *gin.Context) {
+	// swagger:route PUT /config/hosts/{hosts} ConfigManagement updateHostsRequest
+	//
+	// update hosts by name, the hosts must already exist.
+	//
+	//     Responses:
+	//       200: updateHostsResponse
+
+	var req updateHostsRequest
+	ctx.ShouldBindUri(&req)
+	ctx.ShouldBindJSON(&req.Data)
+
+	if !registry.Hosts().IsRegistered(req.Hosts) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+
+	req.Data.Name = req.Hosts
+
+	v := parsing.ParseHosts(&req.Data)
+
+	registry.Hosts().Unregister(req.Hosts)
+
+	if err := registry.Hosts().Register(req.Hosts, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	for i := range cfg.Hosts {
+		if cfg.Hosts[i].Name == req.Hosts {
+			cfg.Hosts[i] = &req.Data
+			break
+		}
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters deleteHostsRequest
+type deleteHostsRequest struct {
+	// in: path
+	// required: true
+	Hosts string `uri:"hosts" json:"hosts"`
+}
+
+// successful operation.
+// swagger:response deleteHostsResponse
+type deleteHostsResponse struct {
+	Data Response
+}
+
+func deleteHosts(ctx *gin.Context) {
+	// swagger:route DELETE /config/hosts/{hosts} ConfigManagement deleteHostsRequest
+	//
+	// delete hosts by name.
+	//
+	//     Responses:
+	//       200: deleteHostsResponse
+
+	var req deleteHostsRequest
+	ctx.ShouldBindUri(&req)
+
+	svc := registry.Hosts().Get(req.Hosts)
+	if svc == nil {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+	registry.Hosts().Unregister(req.Hosts)
+
+	cfg := config.Global()
+	hosts := cfg.Hosts
+	cfg.Hosts = nil
+	for _, s := range hosts {
+		if s.Name == req.Hosts {
+			continue
+		}
+		cfg.Hosts = append(cfg.Hosts, s)
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}