add api & config

api/config_chain.go

@@ -0,0 +1,175 @@
+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 createChainRequest
+type createChainRequest struct {
+	// in: body
+	Data config.ChainConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response createChainResponse
+type createChainResponse struct {
+	Data Response
+}
+
+func createChain(ctx *gin.Context) {
+	// swagger:route POST /config/chains ConfigManagement createChainRequest
+	//
+	// Create a new chain, the name of chain must be unique in chain list.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: createChainResponse
+
+	var req createChainRequest
+	ctx.ShouldBindJSON(&req.Data)
+
+	if req.Data.Name == "" {
+		writeError(ctx, ErrInvalid)
+		return
+	}
+
+	v, err := parsing.ParseChain(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	if err := registry.ChainRegistry().Register(req.Data.Name, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	cfg.Chains = append(cfg.Chains, &req.Data)
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters updateChainRequest
+type updateChainRequest struct {
+	// in: path
+	// required: true
+	// chain name
+	Chain string `uri:"chain" json:"chain"`
+	// in: body
+	Data config.ChainConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response updateChainResponse
+type updateChainResponse struct {
+	Data Response
+}
+
+func updateChain(ctx *gin.Context) {
+	// swagger:route PUT /config/chains/{chain} ConfigManagement updateChainRequest
+	//
+	// Update chain by name, the chain must already exist.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: updateChainResponse
+
+	var req updateChainRequest
+	ctx.ShouldBindUri(&req)
+	ctx.ShouldBindJSON(&req.Data)
+
+	if !registry.ChainRegistry().IsRegistered(req.Chain) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+
+	req.Data.Name = req.Chain
+
+	v, err := parsing.ParseChain(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	registry.ChainRegistry().Unregister(req.Chain)
+
+	if err := registry.ChainRegistry().Register(req.Chain, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	for i := range cfg.Chains {
+		if cfg.Chains[i].Name == req.Chain {
+			cfg.Chains[i] = &req.Data
+			break
+		}
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters deleteChainRequest
+type deleteChainRequest struct {
+	// in: path
+	// required: true
+	Chain string `uri:"chain" json:"chain"`
+}
+
+// successful operation.
+// swagger:response deleteChainResponse
+type deleteChainResponse struct {
+	Data Response
+}
+
+func deleteChain(ctx *gin.Context) {
+	// swagger:route DELETE /config/chains/{chain} ConfigManagement deleteChainRequest
+	//
+	// Delete chain by name.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: deleteChainResponse
+
+	var req deleteChainRequest
+	ctx.ShouldBindUri(&req)
+
+	if !registry.ChainRegistry().IsRegistered(req.Chain) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+	registry.ChainRegistry().Unregister(req.Chain)
+
+	cfg := config.Global()
+	chains := cfg.Chains
+	cfg.Chains = nil
+	for _, s := range chains {
+		if s.Name == req.Chain {
+			continue
+		}
+		cfg.Chains = append(cfg.Chains, s)
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}