Added docker conditional compilation

- Moved docker UX optimization into module
- Added conditional compilation for Windows build
- Added Permission Policy header editor
- Fixed docker container list ui error message bug

src/mod/dockerux/docker.go

@@ -0,0 +1,60 @@
+//go:build !windows
+// +build !windows
+
+package dockerux
+
+/* Windows docker optimizer*/
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/client"
+	"imuslab.com/zoraxy/mod/utils"
+)
+
+// Windows build not support docker
+func (d *UXOptimizer) HandleDockerAvailable(w http.ResponseWriter, r *http.Request) {
+	js, _ := json.Marshal(d.RunninInDocker)
+	utils.SendJSONResponse(w, string(js))
+}
+
+func (d *UXOptimizer) HandleDockerContainersList(w http.ResponseWriter, r *http.Request) {
+	apiClient, err := client.NewClientWithOpts(client.WithVersion("1.43"))
+	if err != nil {
+		d.SystemWideLogger.PrintAndLog("Docker", "Unable to create new docker client", err)
+		utils.SendErrorResponse(w, "Docker client initiation failed")
+		return
+	}
+	defer apiClient.Close()
+
+	containers, err := apiClient.ContainerList(context.Background(), container.ListOptions{All: true})
+	if err != nil {
+		d.SystemWideLogger.PrintAndLog("Docker", "List docker container failed", err)
+		utils.SendErrorResponse(w, "List docker container failed")
+		return
+	}
+
+	networks, err := apiClient.NetworkList(context.Background(), types.NetworkListOptions{})
+	if err != nil {
+		d.SystemWideLogger.PrintAndLog("Docker", "List docker network failed", err)
+		utils.SendErrorResponse(w, "List docker network failed")
+		return
+	}
+
+	result := map[string]interface{}{
+		"network":    networks,
+		"containers": containers,
+	}
+
+	js, err := json.Marshal(result)
+	if err != nil {
+		utils.SendErrorResponse(w, err.Error())
+		return
+	}
+
+	utils.SendJSONResponse(w, string(js))
+}

src/mod/dockerux/docker_windows.go

@@ -0,0 +1,32 @@
+//go:build windows
+// +build windows
+
+package dockerux
+
+/*
+
+	Windows docker UX optimizer dummy
+
+	This is a dummy module for Windows as docker features
+	is useless on Windows and create a larger binary size
+
+	docker on Windows build are trimmed to reduce binary size
+	and make it compatibile with Windows 7
+*/
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"imuslab.com/zoraxy/mod/utils"
+)
+
+// Windows build not support docker
+func (d *UXOptimizer) HandleDockerAvailable(w http.ResponseWriter, r *http.Request) {
+	js, _ := json.Marshal(d.RunninInDocker)
+	utils.SendJSONResponse(w, string(js))
+}
+
+func (d *UXOptimizer) HandleDockerContainersList(w http.ResponseWriter, r *http.Request) {
+	utils.SendErrorResponse(w, "Platform not supported")
+}

src/mod/dockerux/dockerux.go

@@ -0,0 +1,24 @@
+package dockerux
+
+import "imuslab.com/zoraxy/mod/info/logger"
+
+/*
+	Docker Optimizer
+
+	This script add support for optimizing docker user experience
+	Note that this module are community contribute only. For bug
+	report, please directly tag the Pull Request author.
+*/
+
+type UXOptimizer struct {
+	RunninInDocker   bool
+	SystemWideLogger *logger.Logger
+}
+
+//Create a new docker optimizer
+func NewDockerOptimizer(IsRunningInDocker bool, logger *logger.Logger) *UXOptimizer {
+	return &UXOptimizer{
+		RunninInDocker:   IsRunningInDocker,
+		SystemWideLogger: logger,
+	}
+}

src/mod/dynamicproxy/customHeader.go

@@ -1,6 +1,10 @@
 package dynamicproxy
 
-import "strconv"
+import (
+	"strconv"
+
+	"imuslab.com/zoraxy/mod/dynamicproxy/permissionpolicy"
+)
 
 /*
 	CustomHeader.go
@@ -9,9 +13,9 @@ import "strconv"
 	into the dpcore routing logic
 */
 
-//SplitInboundOutboundHeaders split user defined headers into upstream and downstream headers
-//return upstream header and downstream header key-value pairs
-//if the header is expected to be deleted, the value will be set to empty string
+// SplitInboundOutboundHeaders split user defined headers into upstream and downstream headers
+// return upstream header and downstream header key-value pairs
+// if the header is expected to be deleted, the value will be set to empty string
 func (ept *ProxyEndpoint) SplitInboundOutboundHeaders() ([][]string, [][]string) {
 	if len(ept.UserDefinedHeaders) == 0 {
 		//Early return if there are no defined headers
@@ -52,8 +56,17 @@ func (ept *ProxyEndpoint) SplitInboundOutboundHeaders() ([][]string, [][]string)
 	}
 
 	//Check if the endpoint require Permission Policy
-	if ept.EnablePermissionPolicyHeader && ept.PermissionPolicy != nil {
-		downstreamHeaders[downstreamHeaderCounter] = ept.PermissionPolicy.ToKeyValueHeader()
+	if ept.EnablePermissionPolicyHeader {
+		var usingPermissionPolicy *permissionpolicy.PermissionsPolicy
+		if ept.PermissionPolicy != nil {
+			//Custom permission policy
+			usingPermissionPolicy = ept.PermissionPolicy
+		} else {
+			//Permission policy is enabled but not customized. Use default
+			usingPermissionPolicy = permissionpolicy.GetDefaultPermissionPolicy()
+		}
+
+		downstreamHeaders[downstreamHeaderCounter] = usingPermissionPolicy.ToKeyValueHeader()
 		downstreamHeaderCounter++
 	}