luci-app-unbound: clean up presentation of advanced LuCI tabs

Add CSS for editing tabs to provide monospace font and offset
editing window color from read only windows. Expand 'control'
option to match with net/unbound. Add 'extended_stats' option
to match with net/unbound.

Signed-off-by: Eric Luehrsen <ericluehrsen@hotmail.com>

7 files changed, 68 insertions, 38 deletions

diff --git a/applications/luci-app-unbound/luasrc/controller/unbound.lua b/applications/luci-app-unbound/luasrc/controller/unbound.lua
index 296d020cdb..b44bf038eb 100644
--- a/applications/luci-app-unbound/luasrc/controller/unbound.lua
+++ b/applications/luci-app-unbound/luasrc/controller/unbound.lua
@@ -8,7 +8,7 @@ module("luci.controller.unbound", package.seeall)
 
 function index()
   local ucl = luci.model.uci.cursor()
-  local valexp = ucl:get_first("unbound", "unbound", "luci_expanded")
+  local valexp = ucl:get_first("unbound", "unbound", "extended_luci")
   local valman = ucl:get_first("unbound", "unbound", "manual_conf")
 
 
@@ -89,7 +89,7 @@ end
 function QueryStatistics()
   local lclhead = "Unbound Control Stats"
   local lcldata = luci.util.exec("unbound-control -c /var/lib/unbound/unbound.conf stats_noreset")
-  local lcldesc = luci.i18n.translate("This shows some performances statistics tracked by Unbound.")
+  local lcldesc = luci.i18n.translate("This shows some performance statistics tracked by Unbound.")
   luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
 end
 
@@ -97,7 +97,7 @@ end
 function QueryLocalData()
   local lclhead = "Unbound Control Local Data"
   local lcldata = luci.util.exec("unbound-control -c /var/lib/unbound/unbound.conf list_local_data")
-  local lcldesc = luci.i18n.translate("This shows local RR including this router, DHCP assignments, and RFC1918 SOA stubs.")
+  local lcldesc = luci.i18n.translate("This shows local host records that shortcut recursion.")
   luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
 end
 
@@ -105,31 +105,47 @@ end
 function QueryLocalZone()
   local lclhead = "Unbound Control Local Zones"
   local lcldata = luci.util.exec("unbound-control -c /var/lib/unbound/unbound.conf list_local_zones")
-  local lcldesc = luci.i18n.translate("This shows local zones including LAN, adblock, forwarding, and RFC1918 in-arpa. ")
+  local lcldesc = luci.i18n.translate("This shows local zone definitions that affect recursion routing or processing. ")
   luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
 end
 
 
 function ShowUnboundConf()
+  local unboundfile = "/var/lib/unbound/unbound.conf"
   local lclhead = "Unbound Conf"
-  local lcldata = luci.util.exec("cat /var/lib/unbound/unbound.conf")
-  local lcldesc = luci.i18n.translate("This shows '/var/lib/unbound/unbound.conf' generated by UCI.")
+  local lcldata = nixio.fs.readfile(unboundfile)
+  local lcldesc = luci.i18n.translate("This shows configuration generated by UCI:")
+  lcldesc = lcldesc .. " (" .. unboundfile .. ")"
   luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
 end
 
 
 function ShowDHCPConf()
+  local dhcpfile = "/var/lib/unbound/unbound_dhcp.conf"
   local lclhead = "DHCP Conf"
-  local lcldata = luci.util.exec("cat /var/lib/unbound/unbound_dhcp.conf")
-  local lcldesc = luci.i18n.translate("This shows '/var/lib/unbound/unbound_dhcp.conf' generated by DHCP hook script(s).")
+  local lcldata = nixio.fs.readfile(dhcpfile)
+  local lcldesc = luci.i18n.translate("This shows LAN hosts added by DHCP hook scripts:")
+  lcldesc = lcldesc .. " (" .. dhcpfile .. ")"
   luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
 end
 
 
 function ShowAdblock()
+  local adblockfile = "/var/lib/unbound/adb_list.overall"
   local lclhead = "Adblock Conf"
-  local lcldata = luci.util.exec("cat /var/lib/unbound/adb_list.overall")
-  local lcldesc = luci.i18n.translate("This shows '/var/lib/unbound/adb_list.overall' provided by Adblock script(s).")
-  luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
+  local lcldata, lcldesc
+
+
+  if nixio.fs.stat(adblockfile).size > 262144 then
+    lcldesc = luci.i18n.translate("Adblock domain list is too large for LuCI:")
+    lcldesc = lcldesc .. " (" .. adblockfile .. ")"
+    luci.template.render("unbound/show-empty", {heading = lclhead, description = lcldesc})
+
+  else
+    lcldata = nixio.fs.readfile(adblockfile)
+    lcldesc = luci.i18n.translate("This shows blocked domains provided by Adblock scripts:")
+    lcldesc = lcldesc .. " (" .. adblockfile .. ")"
+    luci.template.render("unbound/show-textbox", {heading = lclhead, description = lcldesc, content = lcldata})
+  end
 end
 
diff --git a/applications/luci-app-unbound/luasrc/model/cbi/unbound/configure.lua b/applications/luci-app-unbound/luasrc/model/cbi/unbound/configure.lua
index 61dca765fa..cdf7757e3a 100644
--- a/applications/luci-app-unbound/luasrc/model/cbi/unbound/configure.lua
+++ b/applications/luci-app-unbound/luasrc/model/cbi/unbound/configure.lua
@@ -6,7 +6,7 @@
 local m1, s1
 local ena, mcf, lci, lsv, rlh, rpv, vld, nvd, eds, prt, tlm
 local ctl, dlk, dom, dty, lfq, wfq, exa, dp6, d64, pfx, qry, qrs
-local pro, tgr, rsc, rsn, ag2
+local pro, tgr, rsc, rsn, ag2, stt
 local ucl = luci.model.uci.cursor()
 local valman = ucl:get_first("unbound", "unbound", "manual_conf")
 
@@ -34,8 +34,8 @@ mcf = s1:taboption("basic", Flag, "manual_conf", translate("Manual Conf:"),
   translate("Skip UCI and use /etc/unbound/unbound.conf"))
 mcf.rmempty = false
 
-lci = s1:taboption("basic", Flag, "luci_expanded", translate("LuCI Expanded:"),
-  translate("See more detailed tabs for debug"))
+lci = s1:taboption("basic", Flag, "extended_luci", translate("Advanced LuCI:"),
+  translate("See detailed tabs for debug and advanced manual configuration"))
 lci.rmempty = false
 
 
@@ -109,9 +109,14 @@ if valman ~= "1" then
   tlm.rmempty = false
 
   --Advanced Tab
-  ctl = s1:taboption("advanced", Flag, "unbound_control", translate("Unbound Control App:"),
-    translate("Enable unecrypted localhost access for unbound-control"))
+  ctl = s1:taboption("advanced", ListValue, "unbound_control", translate("Unbound Control App:"),
+    translate("Enable access for unbound-control"))
   ctl.rmempty = false
+  ctl:value("0", translate("No Remote Control"))
+  ctl:value("1", translate("Local Host, No Encryption"))
+  ctl:value("2", translate("Local Host, Encrypted"))
+  ctl:value("3", translate("Local Subnet, Encrypted"))
+  ctl:value("4", translate("Local Subnet, Static Encryption"))
 
   dlk = s1:taboption("advanced", ListValue, "dhcp_link", translate("DHCP Link:"),
     translate("Link to supported programs to load DHCP into DNS"))
@@ -223,6 +228,10 @@ if valman ~= "1" then
   ag2:value("24", "24")
   ag2:value("99", "99 ("..translate("never")..")")
 
+  stt = s1:taboption("resource", Flag, "extended_stats", translate("Extended Statistics:"),
+    translate("Extended statistics are printed from unbound-control"))
+  stt.rmempty = false
+
   tgr = s1:taboption("resource", Value, "trigger", translate("Trigger Networks:"),
     translate("Networks that may trigger Unbound to reload (avoid wan6)"))
   tgr.template = "cbi/network_netlist"
diff --git a/applications/luci-app-unbound/luasrc/model/cbi/unbound/extended.lua b/applications/luci-app-unbound/luasrc/model/cbi/unbound/extended.lua
index 0225712292..67d2ec6c6b 100644
--- a/applications/luci-app-unbound/luasrc/model/cbi/unbound/extended.lua
+++ b/applications/luci-app-unbound/luasrc/model/cbi/unbound/extended.lua
@@ -1,17 +1,16 @@
 -- Copyright 2016 Eric Luehrsen <ericluehrsen@hotmail.com>
 -- Licensed to the public under the Apache License 2.0.
 
-local filename = "/etc/unbound/unbound_ext.conf"
 local m4, s4, frm
+local filename = "/etc/unbound/unbound_ext.conf"
+local description =  translatef("Here you may edit 'forward:' and 'remote-control:' in an extended 'include:'")
+description = description .. " (" .. filename .. ")"
 
 m4 = SimpleForm("editing", nil)
+m4:append(Template("unbound/css-editing"))
 m4.submit = translate("Save")
 m4.reset = false
-
-s4 = m4:section(SimpleSection, "Unbound Extended Conf",
-  translatef("This allows you to edit %s which is copied to"
-  .. " /var/ and 'include:' last for 'forward:' and other clauses", filename))
-
+s4 = m4:section(SimpleSection, "Unbound Extended Conf", description)
 frm = s4:option(TextValue, "data")
 frm.datatype = "string"
 frm.rows = 20
@@ -23,7 +22,7 @@ end
 
 
 function frm.write(self, section, data)
-  return nixio.fs.writefile(filename, data)
+  return nixio.fs.writefile(filename, luci.util.trim(data:gsub("\r\n", "\n")))
 end
 
 
diff --git a/applications/luci-app-unbound/luasrc/model/cbi/unbound/manual.lua b/applications/luci-app-unbound/luasrc/model/cbi/unbound/manual.lua
index 694180d5f2..5cfb9c32c1 100644
--- a/applications/luci-app-unbound/luasrc/model/cbi/unbound/manual.lua
+++ b/applications/luci-app-unbound/luasrc/model/cbi/unbound/manual.lua
@@ -1,17 +1,16 @@
 -- Copyright 2016 Eric Luehrsen <ericluehrsen@hotmail.com>
 -- Licensed to the public under the Apache License 2.0.
 
-local filename = "/etc/unbound/unbound.conf"
 local m2, s2, frm
+local filename = "/etc/unbound/unbound.conf"
+local description =  translatef("Here you may edit raw 'unbound.conf' when you don't use UCI:")
+description = description .. " (" .. filename .. ")"
 
 m2 = SimpleForm("editing", nil)
+m2:append(Template("unbound/css-editing"))
 m2.submit = translate("Save")
 m2.reset = false
-
-s2 = m2:section(SimpleSection, "Unbound Conf",
-  translatef("This allows you to edit raw %s which is copied to"
-  .. " /var/ for Unbound's base conf when you don't use UCI", filename))
-
+s2 = m2:section(SimpleSection, "Unbound Conf", description)
 frm = s2:option(TextValue, "data")
 frm.datatype = "string"
 frm.rows = 20
@@ -23,7 +22,7 @@ end
 
 
 function frm.write(self, section, data)
-  return nixio.fs.writefile(filename, data)
+  return nixio.fs.writefile(filename, luci.util.trim(data:gsub("\r\n", "\n")))
 end
 
 
diff --git a/applications/luci-app-unbound/luasrc/model/cbi/unbound/server.lua b/applications/luci-app-unbound/luasrc/model/cbi/unbound/server.lua
index 1870462663..d0ac407847 100644
--- a/applications/luci-app-unbound/luasrc/model/cbi/unbound/server.lua
+++ b/applications/luci-app-unbound/luasrc/model/cbi/unbound/server.lua
@@ -1,17 +1,16 @@
 -- Copyright 2016 Eric Luehrsen <ericluehrsen@hotmail.com>
 -- Licensed to the public under the Apache License 2.0.
 
-local filename = "/etc/unbound/unbound_srv.conf"
 local m3, s3, frm
+local filename = "/etc/unbound/unbound_srv.conf"
+local description =  translatef("Here you may edit the 'server:' clause in an internal 'include:'")
+description = description .. " (" .. filename .. ")"
 
 m3 = SimpleForm("editing", nil)
+m3:append(Template("unbound/css-editing"))
 m3.submit = translate("Save")
 m3.reset = false
-
-s3 = m3:section(SimpleSection, "Unbound Server Conf",
-  translatef("This allows you to edit %s which is copied to"
-  .. " /var/ and 'include:' within the 'server:' section.", filename))
-
+s3 = m3:section(SimpleSection, "Unbound Server Conf", description)
 frm = s3:option(TextValue, "data")
 frm.datatype = "string"
 frm.rows = 20
@@ -23,7 +22,7 @@ end
 
 
 function frm.write(self, section, data)
-  return nixio.fs.writefile(filename, data)
+  return nixio.fs.writefile(filename, luci.util.trim(data:gsub("\r\n", "\n")))
 end
 
 
diff --git a/applications/luci-app-unbound/luasrc/view/unbound/css-editing.htm b/applications/luci-app-unbound/luasrc/view/unbound/css-editing.htm
new file mode 100644
index 0000000000..44d09378c3
--- /dev/null
+++ b/applications/luci-app-unbound/luasrc/view/unbound/css-editing.htm
@@ -0,0 +1,8 @@
+<style type="text/css">
+  textarea
+  {
+    background-color: #fffff0;
+    font-family: monospace;
+  }
+</style>
+
diff --git a/applications/luci-app-unbound/luasrc/view/unbound/show-textbox.htm b/applications/luci-app-unbound/luasrc/view/unbound/show-textbox.htm
index 69c984780b..c0a7d133dc 100644
--- a/applications/luci-app-unbound/luasrc/view/unbound/show-textbox.htm
+++ b/applications/luci-app-unbound/luasrc/view/unbound/show-textbox.htm
@@ -2,7 +2,7 @@
 <h3><%=heading:pcdata()%></h3>
 <p><%=description:pcdata()%></p>
 <div>
-<textarea style="width: 100%; height: 480px;" readonly="readonly" wrap="off" rows="<%=content:cmatch("\n")+2%>"><%=content:pcdata()%></textarea>
+<textarea style="width: 100%; height: 480px; font-family: monospace;" readonly="readonly" wrap="off" rows="<%=content:cmatch("\n")+2%>"><%=content:pcdata()%></textarea>
 </div>
 <%+footer%>