From 007c54f48463236269622d63088d9f62ece2e704 Mon Sep 17 00:00:00 2001
From: sbwml <admin@cooluc.com>
Date: Sat, 9 Apr 2022 12:43:14 +0800
Subject: [PATCH] Add log preview

---
 luasrc/controller/mosdns.lua      | 15 +++++++++++++--
 luasrc/model/cbi/mosdns/log.lua   |  5 +++++
 luasrc/view/mosdns/mosdns_log.htm | 28 ++++++++++++++++++++++++++++
 po/zh-cn/mosdns.po                |  8 +++++++-
 root/etc/init.d/mosdns            |  1 +
 5 files changed, 54 insertions(+), 3 deletions(-)
 create mode 100644 luasrc/model/cbi/mosdns/log.lua
 create mode 100644 luasrc/view/mosdns/mosdns_log.htm

diff --git a/luasrc/controller/mosdns.lua b/luasrc/controller/mosdns.lua
index 13511b4..8050df0 100644
--- a/luasrc/controller/mosdns.lua
+++ b/luasrc/controller/mosdns.lua
@@ -4,15 +4,18 @@ function index()
 	if not nixio.fs.access("/etc/config/mosdns") then
 		return
 	end
-	
+
 	local page = entry({"admin", "services", "mosdns"}, alias("admin", "services", "mosdns", "basic"), _("MosDNS"), 30)
 	page.dependent = true
 	page.acl_depends = { "luci-app-mosdns" }
-	
+
 	entry({"admin", "services", "mosdns", "basic"}, cbi("mosdns/basic"), _("Basic Setting"), 1).leaf = true
 	entry({"admin", "services", "mosdns", "whitelist"}, cbi("mosdns/whitelist"), _("ADblock whitelist"), 2).leaf = true
 	entry({"admin", "services", "mosdns", "update"}, cbi("mosdns/update"), _("Geodata Update"), 3).leaf = true
+	entry({"admin", "services", "mosdns", "log"}, cbi("mosdns/log"), _("Logs"), 4).leaf = true
 	entry({"admin", "services", "mosdns", "status"}, call("act_status")).leaf = true
+	entry({"admin", "services", "mosdns", "get_log"}, call("get_log")).leaf = true
+	entry({"admin", "services", "mosdns", "clear_log"}, call("clear_log")).leaf = true
 end
 
 function act_status()
@@ -21,3 +24,11 @@ function act_status()
 	luci.http.prepare_content("application/json")
 	luci.http.write_json(e)
 end
+
+function get_log()
+	luci.http.write(luci.sys.exec("[ -f $(uci -q get mosdns.mosdns.logfile) ] && cat $(uci -q get mosdns.mosdns.logfile)"))
+end
+
+function clear_log()
+	luci.sys.call("echo '' > $(uci -q get mosdns.mosdns.logfile)")
+end
diff --git a/luasrc/model/cbi/mosdns/log.lua b/luasrc/model/cbi/mosdns/log.lua
new file mode 100644
index 0000000..79fc1a9
--- /dev/null
+++ b/luasrc/model/cbi/mosdns/log.lua
@@ -0,0 +1,5 @@
+m = Map("mosdns")
+
+m:append(Template("mosdns/mosdns_log"))
+
+return m
diff --git a/luasrc/view/mosdns/mosdns_log.htm b/luasrc/view/mosdns/mosdns_log.htm
new file mode 100644
index 0000000..ac16e26
--- /dev/null
+++ b/luasrc/view/mosdns/mosdns_log.htm
@@ -0,0 +1,28 @@
+<script type="text/javascript">
+	//<![CDATA[
+	function clear_log(btn) {
+		XHR.get('<%=url([[admin]], [[services]], [[mosdns]], [[clear_log]])%>', null,
+			function(x, data) {
+				if(x && x.status == 200) {
+					var log_textarea = document.getElementById('log_textarea');
+					log_textarea.innerHTML = "";
+					log_textarea.scrollTop = log_textarea.scrollHeight;
+				}
+			}
+		);
+	}
+	XHR.poll(1, '<%=url([[admin]], [[services]], [[mosdns]], [[get_log]])%>', null,
+		function(x, data) {
+			if(x && x.status == 200) {
+				var log_textarea = document.getElementById('log_textarea');
+				log_textarea.innerHTML = x.responseText;
+				log_textarea.scrollTop = log_textarea.scrollHeight;
+			}
+		}
+	);
+	//]]>
+</script>
+<fieldset class="cbi-section" id="_log_fieldset">
+	<input class="cbi-button cbi-input-remove" type="button" onclick="clear_log()" value="<%:Clear logs%>" style="margin-left: 10px; margin-top: 10px;">
+	<textarea id="log_textarea" class="cbi-input-textarea" style="width: calc(100% - 20px); height: 600px; margin: 10px;" data-update="change" rows="5" wrap="off" readonly="readonly"></textarea>
+</fieldset>
diff --git a/po/zh-cn/mosdns.po b/po/zh-cn/mosdns.po
index 91c3956..c2206f6 100644
--- a/po/zh-cn/mosdns.po
+++ b/po/zh-cn/mosdns.po
@@ -34,7 +34,7 @@ msgstr "启用 DNS 广告过滤"
 msgid "<font color=\"ff0000\"><strong>View the Custom YAML Configuration file used by this MosDNS. You can edit it as you own need.</strong></font>"
 msgstr "<font color=\"ff0000\"><strong>注意！此页的更改仅当 'MosDNS 配置文件选择' 为 '自定义配置' 时才会生效</strong></font>"
 
-msgid "<font color=\"ff0000\"><strong>ADblock whitelist only apply to 'Def Config' profiles</strong></font>"
+msgid "<font color=\"ff0000\"><strong>ADblock whitelist only apply to 'Def Config' profiles.</strong></font>"
 msgstr "<font color=\"ff0000\"><strong>注意！广告过滤白名单仅当 'MosDNS 配置文件选择' 为 '内置预设' 时才会生效</strong></font>"
 
 msgid "ADblock whitelist"
@@ -114,3 +114,9 @@ msgstr "覆盖最小 TTL 值"
 
 msgid "Maximum TTL"
 msgstr "覆盖最大 TTL 值"
+
+msgid "Logs"
+msgstr "日志"
+
+msgid "Clear logs"
+msgstr "清空日志"
diff --git a/root/etc/init.d/mosdns b/root/etc/init.d/mosdns
index 510207a..732f64a 100755
--- a/root/etc/init.d/mosdns
+++ b/root/etc/init.d/mosdns
@@ -70,6 +70,7 @@ start_service() {
 	[ $enabled != 1 ] && return 1
 	delcron
 	setcron
+	echo '' > $(uci -q get mosdns.mosdns.logfile)
 	procd_open_instance mosdns
 	procd_set_param command $PROG -dir $RES_DIR -c "$CONF"
 	procd_set_param user root