feat(global): introduce user teams and new UAC system (#868)

api/http/handler/handler.go

@@ -0,0 +1,74 @@
+package handler
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"strings"
+
+	"github.com/portainer/portainer"
+	httperror "github.com/portainer/portainer/http/error"
+)
+
+// Handler is a collection of all the service handlers.
+type Handler struct {
+	AuthHandler           *AuthHandler
+	UserHandler           *UserHandler
+	TeamHandler           *TeamHandler
+	TeamMembershipHandler *TeamMembershipHandler
+	EndpointHandler       *EndpointHandler
+	ResourceHandler       *ResourceHandler
+	SettingsHandler       *SettingsHandler
+	TemplatesHandler      *TemplatesHandler
+	DockerHandler         *DockerHandler
+	WebSocketHandler      *WebSocketHandler
+	UploadHandler         *UploadHandler
+	FileHandler           *FileHandler
+}
+
+const (
+	// ErrInvalidJSON defines an error raised the app is unable to parse request data
+	ErrInvalidJSON = portainer.Error("Invalid JSON")
+	// ErrInvalidRequestFormat defines an error raised when the format of the data sent in a request is not valid
+	ErrInvalidRequestFormat = portainer.Error("Invalid request data format")
+	// ErrInvalidQueryFormat defines an error raised when the data sent in the query or the URL is invalid
+	ErrInvalidQueryFormat = portainer.Error("Invalid query format")
+	// ErrEmptyResponseBody defines an error raised when portainer excepts to parse the body of a HTTP response and there is nothing to parse
+	// ErrEmptyResponseBody = portainer.Error("Empty response body")
+)
+
+// ServeHTTP delegates a request to the appropriate subhandler.
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if strings.HasPrefix(r.URL.Path, "/api/auth") {
+		http.StripPrefix("/api", h.AuthHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/users") {
+		http.StripPrefix("/api", h.UserHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/teams") {
+		http.StripPrefix("/api", h.TeamHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/team_memberships") {
+		http.StripPrefix("/api", h.TeamMembershipHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/endpoints") {
+		http.StripPrefix("/api", h.EndpointHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/resource_controls") {
+		http.StripPrefix("/api", h.ResourceHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/settings") {
+		http.StripPrefix("/api", h.SettingsHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/templates") {
+		http.StripPrefix("/api", h.TemplatesHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/upload") {
+		http.StripPrefix("/api", h.UploadHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/websocket") {
+		http.StripPrefix("/api", h.WebSocketHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/api/docker") {
+		http.StripPrefix("/api/docker", h.DockerHandler).ServeHTTP(w, r)
+	} else if strings.HasPrefix(r.URL.Path, "/") {
+		h.FileHandler.ServeHTTP(w, r)
+	}
+}
+
+// encodeJSON encodes v to w in JSON format. Error() is called if encoding fails.
+func encodeJSON(w http.ResponseWriter, v interface{}, logger *log.Logger) {
+	if err := json.NewEncoder(w).Encode(v); err != nil {
+		httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, logger)
+	}
+}