[management, reverse proxy] Add reverse proxy feature (#5291)

* implement reverse proxy


---------

Co-authored-by: Alisdair MacLeod <git@alisdairmacleod.co.uk>
Co-authored-by: mlsmaycon <mlsmaycon@gmail.com>
Co-authored-by: Eduard Gert <kontakt@eduardgert.de>
Co-authored-by: Viktor Liu <viktor@netbird.io>
Co-authored-by: Diego Noguês <diego.sure@gmail.com>
Co-authored-by: Diego Noguês <49420+diegocn@users.noreply.github.com>
Co-authored-by: Bethuel Mmbaga <bethuelmbaga12@gmail.com>
Co-authored-by: Zoltan Papp <zoltan.pmail@gmail.com>
Co-authored-by: Ashley Mensah <ashleyamo982@gmail.com>

management/internals/modules/reverseproxy/accesslogs/manager/api.go

@@ -0,0 +1,64 @@
+package manager
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+
+	"github.com/netbirdio/netbird/management/internals/modules/reverseproxy/accesslogs"
+	nbcontext "github.com/netbirdio/netbird/management/server/context"
+	"github.com/netbirdio/netbird/shared/management/http/api"
+	"github.com/netbirdio/netbird/shared/management/http/util"
+)
+
+type handler struct {
+	manager accesslogs.Manager
+}
+
+func RegisterEndpoints(router *mux.Router, manager accesslogs.Manager) {
+	h := &handler{
+		manager: manager,
+	}
+
+	router.HandleFunc("/events/proxy", h.getAccessLogs).Methods("GET", "OPTIONS")
+}
+
+func (h *handler) getAccessLogs(w http.ResponseWriter, r *http.Request) {
+	userAuth, err := nbcontext.GetUserAuthFromContext(r.Context())
+	if err != nil {
+		util.WriteError(r.Context(), err, w)
+		return
+	}
+
+	var filter accesslogs.AccessLogFilter
+	filter.ParseFromRequest(r)
+
+	logs, totalCount, err := h.manager.GetAllAccessLogs(r.Context(), userAuth.AccountId, userAuth.UserId, &filter)
+	if err != nil {
+		util.WriteError(r.Context(), err, w)
+		return
+	}
+
+	apiLogs := make([]api.ProxyAccessLog, 0, len(logs))
+	for _, log := range logs {
+		apiLogs = append(apiLogs, *log.ToAPIResponse())
+	}
+
+	response := &api.ProxyAccessLogsResponse{
+		Data:         apiLogs,
+		Page:         filter.Page,
+		PageSize:     filter.PageSize,
+		TotalRecords: int(totalCount),
+		TotalPages:   getTotalPageCount(int(totalCount), filter.PageSize),
+	}
+
+	util.WriteJSONObject(r.Context(), w, response)
+}
+
+// getTotalPageCount calculates the total number of pages
+func getTotalPageCount(totalCount, pageSize int) int {
+	if pageSize <= 0 {
+		return 0
+	}
+	return (totalCount + pageSize - 1) / pageSize
+}