From e2491dd8120de1ac3b4e82da96588199b0ed3047 Mon Sep 17 00:00:00 2001
From: luk3yx <luk3yx@users.noreply.github.com>
Date: Mon, 21 Dec 2020 15:34:31 +1300
Subject: [PATCH] Add token regeneration to admin pages

---
 lurkcoin/api/admin-pages.go | 36 ++++++++++++++++++++++++++++++++++--
 lurkcoin/misc.go            |  2 +-
 lurkcoin/servers.go         |  9 +++++++++
 3 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/lurkcoin/api/admin-pages.go b/lurkcoin/api/admin-pages.go
index 60ad7dd..ec604e8 100644
--- a/lurkcoin/api/admin-pages.go
+++ b/lurkcoin/api/admin-pages.go
@@ -152,7 +152,7 @@ const serverListTemplate = adminPagesHeader + `
 const currencyInput = `type="text" pattern="¤?[0-9,_]+(\.[0-9,_]+)?"`
 const infoTemplate = adminPagesHeader + `
 <style>
-#form-inner input, #message {
+#form-inner input, #form-inner label, #message {
 	transition: ease-in-out 200ms;
 	text-overflow: ellipsis;
 }
@@ -165,7 +165,7 @@ const infoTemplate = adminPagesHeader + `
 	html {
 		scroll-behavior: smooth;
 	}
-	#edit-btn, #edit-btn ~ .button {
+	#edit-btn, #edit-btn ~ .button, #edit-btn ~ button {
 		display: none;
 		transition: ease-in-out 250ms;
 	}
@@ -175,6 +175,18 @@ const infoTemplate = adminPagesHeader + `
 		transform-origin: top center;
 		max-height: 0;
 	}
+	#regenerate-token {
+		margin-bottom: 2rem;
+	}
+	#regenerate-token + label {
+		display: inline-block;
+		vertical-align: middle;
+		user-select: none;
+	}
+	#regenerate-token[disabled="disabled"],
+			#regenerate-token[disabled="disabled"] + label {
+		opacity: 0.5;
+	}
 {{end}}
 </style>
 
@@ -209,6 +221,12 @@ const infoTemplate = adminPagesHeader + `
 		 	disabled="disabled" name="webhookURL" />
 
 		{{if .AllowEditing}}
+			<br/>
+			<input type="checkbox" id="regenerate-token"
+				disabled="disabled" name="regenerateToken" />
+			<label for="regenerate-token">
+				Regenerate token
+			</label>
 			<br/>
 			<button type="button" id="edit-btn"
 				class="button-primary">Edit</button>
@@ -610,6 +628,20 @@ func addAdminPages(router *httprouter.Router, db lurkcoin.Database,
 			)
 		}
 
+		if r.Form.Get("regenerateToken") == "on" {
+			if len(msgs) == 0 {
+				msgs = append(msgs, "New token: "+server.RegenerateToken())
+				log.Printf(
+					"[Admin] User %#v regenerates the token of server %#v",
+					adminUser,
+					server.Name,
+				)
+			} else {
+				msgs = append(msgs, "Refusing to regenerate token as other"+
+					" settings were changed.")
+			}
+		}
+
 		// Finish the transaction
 		uid := server.UID
 		tr.Finish()
diff --git a/lurkcoin/misc.go b/lurkcoin/misc.go
index 50a76fe..2ceb064 100644
--- a/lurkcoin/misc.go
+++ b/lurkcoin/misc.go
@@ -35,7 +35,7 @@ import (
 )
 
 const SYMBOL = "¤"
-const VERSION = "3.0.7"
+const VERSION = "3.0.8"
 
 // Note that public source code is required by the AGPL
 const SOURCE_URL = "https://github.com/luk3yx/lurkcoin-core"
diff --git a/lurkcoin/servers.go b/lurkcoin/servers.go
index bc7e511..fcbe526 100644
--- a/lurkcoin/servers.go
+++ b/lurkcoin/servers.go
@@ -323,6 +323,15 @@ func (self *Server) GetExchangeRate(amount Currency, toLurkcoin bool) (Currency,
 	return CurrencyFromFloat(res), exchange
 }
 
+// Regenerates the token and returns the new one.
+func (self *Server) RegenerateToken() string {
+	self.lock.Lock()
+	defer self.lock.Unlock()
+	self.token = GenerateToken()
+	self.modified = true
+	return self.token
+}
+
 // "Encoded" servers that have all their values public
 type EncodedServer struct {
 	// A version number for breaking changes, because of the way gob works this