bouncer/internal/admin/layer_route.go

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package admin
import (
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"fmt"
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"net/http"
"sort"
"forge.cadoles.com/cadoles/bouncer/internal/schema"
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"forge.cadoles.com/cadoles/bouncer/internal/setup"
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"forge.cadoles.com/cadoles/bouncer/internal/store"
"github.com/go-chi/chi/v5"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/api"
)
type QueryLayerResponse struct {
Layers []*store.LayerHeader `json:"layers"`
}
func (s *Server) queryLayer(w http.ResponseWriter, r *http.Request) {
proxyName, ok := getProxyName(w, r)
if !ok {
return
}
options := []store.QueryLayerOptionFunc{}
name := r.URL.Query().Get("name")
if name != "" {
options = append(options, store.WithLayerQueryName(store.LayerName(name)))
}
ctx := r.Context()
layers, err := s.layerRepository.QueryLayers(
ctx,
proxyName,
options...,
)
if err != nil {
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logAndCaptureError(ctx, "could not list layers", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
sort.Sort(store.ByLayerWeight(layers))
api.DataResponse(w, http.StatusOK, QueryLayerResponse{
Layers: layers,
})
}
type GetLayerResponse struct {
Layer *store.Layer `json:"layer"`
}
func (s *Server) getLayer(w http.ResponseWriter, r *http.Request) {
proxyName, ok := getProxyName(w, r)
if !ok {
return
}
layerName, ok := getLayerName(w, r)
if !ok {
return
}
ctx := r.Context()
layer, err := s.layerRepository.GetLayer(ctx, proxyName, layerName)
if err != nil {
if errors.Is(err, store.ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
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logAndCaptureError(ctx, "could not get layer", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, GetLayerResponse{
Layer: layer,
})
}
type DeleteLayerResponse struct {
LayerName store.LayerName `json:"layerName"`
}
func (s *Server) deleteLayer(w http.ResponseWriter, r *http.Request) {
proxyName, ok := getProxyName(w, r)
if !ok {
return
}
layerName, ok := getLayerName(w, r)
if !ok {
return
}
ctx := r.Context()
if err := s.layerRepository.DeleteLayer(ctx, proxyName, layerName); err != nil {
if errors.Is(err, store.ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
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logAndCaptureError(ctx, "could not delete layer", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, DeleteLayerResponse{
LayerName: layerName,
})
}
type CreateLayerRequest struct {
Name string `json:"name" validate:"required"`
Type string `json:"type" validate:"required"`
Options map[string]any `json:"options"`
}
type CreateLayerResponse struct {
Layer *store.Layer `json:"layer"`
}
func (s *Server) createLayer(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
proxyName, ok := getProxyName(w, r)
if !ok {
return
}
createLayerReq := &CreateLayerRequest{}
if ok := api.Bind(w, r, createLayerReq); !ok {
return
}
layerName, err := store.ValidateName(createLayerReq.Name)
if err != nil {
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logAndCaptureError(ctx, "invalid 'name' parameter", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusBadRequest, api.ErrCodeInvalidRequest, nil)
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return
}
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layerType := store.LayerType(createLayerReq.Type)
if !setup.LayerTypeExists(layerType) {
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logAndCaptureError(ctx, fmt.Sprintf("unknown layer type '%s'", layerType), errors.WithStack(err))
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api.ErrorResponse(w, http.StatusBadRequest, api.ErrCodeInvalidRequest, nil)
return
}
layer, err := s.layerRepository.CreateLayer(ctx, proxyName, store.LayerName(layerName), layerType, createLayerReq.Options)
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if err != nil {
if errors.Is(err, store.ErrAlreadyExist) {
api.ErrorResponse(w, http.StatusConflict, ErrCodeAlreadyExist, nil)
return
}
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logAndCaptureError(ctx, "could not create layer", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, struct {
Layer *store.Layer `json:"layer"`
}{
Layer: layer,
})
}
type UpdateLayerRequest struct {
Enabled *bool `json:"enabled"`
Weight *int `json:"weight"`
Options *store.LayerOptions `json:"options"`
}
type UpdateLayerResponse struct {
Layer *store.Layer `json:"layer"`
}
func (s *Server) updateLayer(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
proxyName, ok := getProxyName(w, r)
if !ok {
return
}
layerName, ok := getLayerName(w, r)
if !ok {
return
}
layer, err := s.layerRepository.GetLayer(ctx, proxyName, layerName)
if err != nil {
if errors.Is(err, store.ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
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logAndCaptureError(ctx, "could not get layer", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
updateLayerReq := &UpdateLayerRequest{}
if ok := api.Bind(w, r, updateLayerReq); !ok {
return
}
options := make([]store.UpdateLayerOptionFunc, 0)
if updateLayerReq.Enabled != nil {
options = append(options, store.WithLayerUpdateEnabled(*updateLayerReq.Enabled))
}
if updateLayerReq.Weight != nil {
options = append(options, store.WithLayerUpdateWeight(*updateLayerReq.Weight))
}
if updateLayerReq.Options != nil {
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layerOptionsSchema, err := setup.GetLayerOptionsSchema(layer.Type)
if err != nil {
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logAndCaptureError(ctx, "could not retrieve layer options schema", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
rawOptions := func(opts *store.LayerOptions) map[string]any {
return *opts
}(updateLayerReq.Options)
if err := schema.Validate(ctx, layerOptionsSchema, rawOptions); err != nil {
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logAndCaptureError(ctx, "could not validate layer options", errors.WithStack(err))
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var invalidDataErr *schema.InvalidDataError
if errors.As(err, &invalidDataErr) {
invalidDataErrorResponse(w, r, invalidDataErr)
return
}
api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
options = append(options, store.WithLayerUpdateOptions(*updateLayerReq.Options))
}
layer, err = s.layerRepository.UpdateLayer(
ctx, proxyName, layerName,
options...,
)
if err != nil {
if errors.Is(err, store.ErrNotFound) {
api.ErrorResponse(w, http.StatusNotFound, api.ErrCodeNotFound, nil)
return
}
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logAndCaptureError(ctx, "could not update layer", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusInternalServerError, api.ErrCodeUnknownError, nil)
return
}
api.DataResponse(w, http.StatusOK, UpdateLayerResponse{Layer: layer})
}
func getLayerName(w http.ResponseWriter, r *http.Request) (store.LayerName, bool) {
rawLayerName := chi.URLParam(r, "layerName")
name, err := store.ValidateName(rawLayerName)
if err != nil {
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logAndCaptureError(r.Context(), "could not parse layer name", errors.WithStack(err))
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api.ErrorResponse(w, http.StatusBadRequest, api.ErrCodeMalformedRequest, nil)
return "", false
}
return store.LayerName(name), true
}