From 2c56ec2bf154cd7241e92b6e8fd851b0f9c908f0 Mon Sep 17 00:00:00 2001
From: Filip Barl <filip.barl@gmail.com>
Date: Thu, 21 Feb 2019 16:46:17 +0100
Subject: [PATCH] Made censoring work properly.

---
 render/detailed/censor.go | 33 +++++++++++++++++++++++++++++++--
 report/censor.go          | 12 ++++++------
 2 files changed, 37 insertions(+), 8 deletions(-)

diff --git a/render/detailed/censor.go b/render/detailed/censor.go
index a36bca95e..6a90c7a78 100644
--- a/render/detailed/censor.go
+++ b/render/detailed/censor.go
@@ -4,12 +4,41 @@ import (
 	"github.com/weaveworks/scope/report"
 )
 
+func isCommand(key string) bool {
+	return key == report.Cmdline || key == report.DockerContainerCommand
+}
+
+func censorNodeSummary(s *NodeSummary, cfg report.CensorConfig) {
+	if cfg.HideEnvironmentVariables {
+		tables := []report.Table{}
+		for _, t := range s.Tables {
+			if t.ID != report.DockerEnvPrefix {
+				tables = append(tables, t)
+			}
+		}
+		s.Tables = tables
+	}
+	if cfg.HideCommandLineArguments {
+		for r := range s.Metadata {
+			if isCommand(s.Metadata[r].ID) {
+				s.Metadata[r].Value = report.StripCommandArgs(s.Metadata[r].Value)
+			}
+		}
+	}
+}
+
 // CensorNode ...
 func CensorNode(n Node, cfg report.CensorConfig) Node {
+	censorNodeSummary(&n.NodeSummary, cfg)
 	return n
 }
 
 // CensorNodeSummaries ...
-func CensorNodeSummaries(n NodeSummaries, cfg report.CensorConfig) NodeSummaries {
-	return n
+func CensorNodeSummaries(ns NodeSummaries, cfg report.CensorConfig) NodeSummaries {
+	for key := range ns {
+		n := ns[key]
+		censorNodeSummary(&n, cfg)
+		ns[key] = n
+	}
+	return ns
 }
diff --git a/report/censor.go b/report/censor.go
index 913ddf1c9..aced7710a 100644
--- a/report/censor.go
+++ b/report/censor.go
@@ -36,15 +36,15 @@ func censorTopology(t *Topology, match keyMatcher, censor censorValueFunc) {
 // CensorConfig describes how probe reports should
 // be censored when rendered through the API.
 type CensorConfig struct {
-	hideCommandLineArguments bool
-	hideEnvironmentVariables bool
+	HideCommandLineArguments bool
+	HideEnvironmentVariables bool
 }
 
 // GetCensorConfigFromQueryParams extracts censor config from request query params.
 func GetCensorConfigFromQueryParams(req *http.Request) CensorConfig {
 	return CensorConfig{
-		hideCommandLineArguments: true || req.URL.Query().Get("hideCommandLineArguments") == "true",
-		hideEnvironmentVariables: true || req.URL.Query().Get("hideEnvironmentVariables") == "true",
+		HideCommandLineArguments: true || req.URL.Query().Get("hideCommandLineArguments") == "true",
+		HideEnvironmentVariables: true || req.URL.Query().Get("hideEnvironmentVariables") == "true",
 	}
 }
 
@@ -54,11 +54,11 @@ func CensorRawReport(r Report, cfg CensorConfig) Report {
 	var (
 		makeEmpty = func(string) string { return "" }
 	)
-	if cfg.hideCommandLineArguments {
+	if cfg.HideCommandLineArguments {
 		censorTopology(&r.Process, keyEquals(Cmdline), StripCommandArgs)
 		censorTopology(&r.Container, keyEquals(DockerContainerCommand), StripCommandArgs)
 	}
-	if cfg.hideEnvironmentVariables {
+	if cfg.HideEnvironmentVariables {
 		censorTopology(&r.Container, keyStartsWith(DockerEnvPrefix), makeEmpty)
 	}
 	return r