chore: add provisioner key crud apis (#13857)

coderd/httpmw/provisionerkey.go

@@ -0,0 +1,58 @@
+package httpmw
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+
+	"github.com/coder/coder/v2/coderd/database"
+	"github.com/coder/coder/v2/coderd/httpapi"
+	"github.com/coder/coder/v2/codersdk"
+)
+
+type provisionerKeyParamContextKey struct{}
+
+// ProvisionerKeyParam returns the user from the ExtractProvisionerKeyParam handler.
+func ProvisionerKeyParam(r *http.Request) database.ProvisionerKey {
+	user, ok := r.Context().Value(provisionerKeyParamContextKey{}).(database.ProvisionerKey)
+	if !ok {
+		panic("developer error: provisioner key parameter middleware not provided")
+	}
+	return user
+}
+
+// ExtractProvisionerKeyParam extracts a provisioner key from a name in the {provisionerKey} URL
+// parameter.
+func ExtractProvisionerKeyParam(db database.Store) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
+			ctx := r.Context()
+			organization := OrganizationParam(r)
+
+			provisionerKeyQuery := chi.URLParam(r, "provisionerkey")
+			if provisionerKeyQuery == "" {
+				httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
+					Message: "\"provisionerkey\" must be provided.",
+				})
+				return
+			}
+
+			provisionerKey, err := db.GetProvisionerKeyByName(ctx, database.GetProvisionerKeyByNameParams{
+				OrganizationID: organization.ID,
+				Name:           provisionerKeyQuery,
+			})
+			if httpapi.Is404Error(err) {
+				httpapi.ResourceNotFound(rw)
+				return
+			}
+			if err != nil {
+				httpapi.InternalServerError(rw, err)
+				return
+			}
+
+			ctx = context.WithValue(ctx, provisionerKeyParamContextKey{}, provisionerKey)
+			next.ServeHTTP(rw, r.WithContext(ctx))
+		})
+	}
+}