From 428308f07c77b6a374b7f0f9cef8a163c5e52dd2 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 28 Nov 2022 08:53:45 +0100
Subject: support peer aliases

---
 data/README                   |  3 +++
 data/aliases                  |  2 ++
 docker-compose.yml            |  2 ++
 etc/nginx/conf.d/default.conf |  8 ++++++++
 html/index.html               | 27 +++++++++++++++++++++++++--
 5 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 data/README
 create mode 100644 data/aliases

diff --git a/data/README b/data/README
new file mode 100644
index 0000000..526ba86
--- /dev/null
+++ b/data/README
@@ -0,0 +1,3 @@
+The aliases file has the following format: each line represents a peer. It
+must start with a public key; the key is separated from its readable alias by
+whitespace. The rest of the line (after the whitespace) is the key's alias.
diff --git a/data/aliases b/data/aliases
new file mode 100644
index 0000000..388279e
--- /dev/null
+++ b/data/aliases
@@ -0,0 +1,2 @@
+0ey2pXRG/WXIs5NyMITq0qyCIMERxPoO89wisK7LTAY=	peer1
+egaZeGPGlOLkVVunaxBav73gGzbwghY17ClWzTD8QXQ=	peer2
diff --git a/docker-compose.yml b/docker-compose.yml
index 717c23c..7eaa2a2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,6 +14,8 @@ services:
     image: egortensin/wg-api-web:latest
     ports:
       - '8080:80'
+    volumes:
+      - './data:/data:ro'
   api:
     << : *default-settings
     image: james/wg-api:latest
diff --git a/etc/nginx/conf.d/default.conf b/etc/nginx/conf.d/default.conf
index 176010f..88dcc0f 100644
--- a/etc/nginx/conf.d/default.conf
+++ b/etc/nginx/conf.d/default.conf
@@ -12,6 +12,14 @@ server {
         index index.html;
     }
 
+    location = /api/aliases {
+        alias /data/aliases;
+        default_type text/plain;
+        # Disable caching?
+        add_header Cache-Control no-store;
+        add_header Last-Modified $date_gmt;
+    }
+
     location ~ ^/api/(?<rpc_method>ListPeers|GetDeviceInfo)$ {
         proxy_set_header Content-Type application/json;
         proxy_set_header Referer "";
diff --git a/html/index.html b/html/index.html
index d1cf373..92a865f 100644
--- a/html/index.html
+++ b/html/index.html
@@ -65,7 +65,7 @@ td, th[scope="row"] {
       <table>
         <thead>
           <tr>
-            <th>Public key</th>
+            <th>Peer</th>
             <th>Last handshake</th>
             <th>Endpoint</th>
             <th>Rx</th>
@@ -191,6 +191,8 @@ PublicKey.prototype = Object.create(Field.prototype);
 PublicKey.prototype.constructor = PublicKey;
 
 PublicKey.prototype.cell_contents = function(value) {
+    if (value in aliases)
+        value = aliases[value];
     return [in_code(value)];
 }
 
@@ -349,6 +351,20 @@ function peers_show() {
     });
 }
 
+var aliases = {};
+
+function aliases_parse(data) {
+    aliases = {};
+    data.split(/\r?\n/).forEach(function(line) {
+        let delim = line.match(/\s+/);
+        if (!delim)
+            return;
+        let key = line.slice(0, delim.index);
+        let alias = line.slice(delim.index + delim[0].length);
+        aliases[key] = alias;
+    });
+}
+
 function device_update() {
     send_request('GetDeviceInfo', device_show);
 }
@@ -357,9 +373,16 @@ function peers_update() {
     send_request('ListPeers', peers_show);
 }
 
+function aliases_update() {
+    send_request('aliases', function() {
+        aliases_parse(this.responseText);
+        peers_update();
+    });
+}
+
 function update() {
     device_update();
-    peers_update();
+    aliases_update();
 }
 
 var update_interval_seconds = 30;
-- 
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