From 810cebadd9e9b3d52d002fa31ae7de9faf391a65 Mon Sep 17 00:00:00 2001
From: GRMrGecko <grmrgecko@gmail.com>
Date: Thu, 1 Aug 2024 11:36:53 -0500
Subject: [PATCH] Found that /var/run is deprecated, should use /run. Also
 added new example usage.

---
 README.md    | 47 +++++++++++++++++++++++++++++++++++++++++++----
 main.go      |  2 +-
 serverCmd.go |  2 +-
 3 files changed, 45 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 97455e4..5a58af4 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,9 @@ http {
 
     server {
         location / {
+            proxy_cache_bypass $is_purge;
             if ($is_purge) {
-                proxy_pass http://unix:/var/run/nginx-cache-purge/http.sock;
+                proxy_pass http://unix:/run/nginx-cache-purge/http.sock;
                 rewrite ^ /?path=/var/nginx/proxy_temp/cache&key=$server_name$request_uri break;
             }
 
@@ -99,8 +100,9 @@ http {
 
     server {
         location / {
+            proxy_cache_bypass $is_purge;
             if ($is_purge) {
-                proxy_pass http://unix:/var/run/nginx-cache-purge/http.sock;
+                proxy_pass http://unix:/run/nginx-cache-purge/http.sock;
                 rewrite ^ /?path=/var/nginx/proxy_temp/cache&key=$server_name$request_uri break;
             }
 
@@ -124,8 +126,45 @@ http {
 
     server {
         location / {
+            proxy_cache_bypass $is_purge;
             if ($is_purge) {
-                proxy_pass http://unix:/var/run/nginx-cache-purge/http.sock;
+                proxy_pass http://unix:/run/nginx-cache-purge/http.sock;
+                rewrite ^ /?path=/var/nginx/proxy_temp/cache&key=$server_name$request_uri break;
+            }
+
+            proxy_cache my_cache;
+            proxy_pass http://upstream;
+        }
+    }
+}
+```
+
+### Auth via header and IP white list.
+```
+http {
+    map $http_purge_token $is_purge {
+        default 0;
+        nnCgKUx1p2bIABXR 1;
+    }
+
+    geo $purge_allowed {
+        default 0;
+        127.0.0.1 1;
+        192.168.0.0/24 1;
+    }
+
+    proxy_cache_path /var/nginx/proxy_temp/cache levels=1:2 keys_zone=my_cache:10m;
+    proxy_cache_key $server_name$request_uri;
+
+    server {
+        location / {
+            set $should_purge $purge_allowed;
+            if ($is_purge != 1) {
+                set $should_purge 0;
+            }
+            proxy_cache_bypass $should_purge;
+            if ($should_purge) {
+                proxy_pass http://unix:/run/nginx-cache-purge/http.sock;
                 rewrite ^ /?path=/var/nginx/proxy_temp/cache&key=$server_name$request_uri break;
             }
 
@@ -150,7 +189,7 @@ http {
         location ~ /purge(/.*) {
             allow 127.0.0.1;
             deny all;
-            proxy_pass http://unix:/var/run/nginx-cache-purge/http.sock;
+            proxy_pass http://unix:/run/nginx-cache-purge/http.sock;
             rewrite ^ /?path=/var/nginx/proxy_temp/cache&key=$server_name$1 break;
         }
     }
diff --git a/main.go b/main.go
index 54d5178..23d5b40 100644
--- a/main.go
+++ b/main.go
@@ -18,7 +18,7 @@ import (
 const (
 	serviceName        = "nginx-cache-purge"
 	serviceDescription = "Tool to help purge Nginx cache "
-	serviceVersion     = "0.1.2"
+	serviceVersion     = "0.1.3"
 )
 
 // App structure to access global app variables.
diff --git a/serverCmd.go b/serverCmd.go
index 8adb11c..dcfee50 100644
--- a/serverCmd.go
+++ b/serverCmd.go
@@ -51,7 +51,7 @@ func (a *ServerCmd) Run() error {
 	// Determine UNIX socket path.
 	unixSocket := a.Socket
 	if unixSocket == "" {
-		unixSocket = "/var/run/nginx-cache-purge/http.sock"
+		unixSocket = "/run/nginx-cache-purge/http.sock"
 	}
 
 	// If socket exists, remove it.