luci-app-filebrowser: File Browser

Add a File Browser based on the FileUpload CBI element.
It allows browsing files and directories on a router, delete and upload.
This covers only basic needs.

Signed-off-by: Sergey Ponomarev <stokito@gmail.com>

applications/luci-app-filebrowser/Makefile

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+# This is free software, licensed under the Apache License, Version 2.0 .
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=LuCI File Browser module
+LUCI_DEPENDS:=+luci-base
+
+PKG_LICENSE:=Apache-2.0
+PKG_VERSION:=1.1.0
+PKG_RELEASE:=1
+PKG_MAINTAINER:=Sergey Ponomarev <stokito@gmail.com>
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

applications/luci-app-filebrowser/htdocs/luci-static/resources/view/system/filebrowser.js

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+'use strict';
+'require view';
+'require ui';
+'require form';
+
+var formData = {
+	files: {
+		root: null,
+	}
+};
+
+return view.extend({
+	render: function() {
+		var m, s, o;
+
+		m = new form.JSONMap(formData, _('File Browser'), '');
+
+		s = m.section(form.NamedSection, 'files', 'files');
+
+		o = s.option(form.FileUpload, 'root', '');
+		o.root_directory = '/';
+		o.browser = true;
+		o.show_hidden = true;
+		o.enable_upload = true;
+		o.enable_remove = true;
+		o.enable_download = true;
+
+		return m.render();
+	},
+
+	handleSave: null,
+	handleSaveApply: null,
+	handleReset: null
+})

applications/luci-app-filebrowser/po/templates/filebrowser.pot

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+msgid ""
+msgstr "Content-Type: text/plain; charset=UTF-8"
+
+#: applications/luci-app-filebrowser/htdocs/luci-static/resources/view/system/filebrowser.js:16
+#: applications/luci-app-filebrowser/root/usr/share/luci/menu.d/luci-app-filebrowser.json:3
+msgid "File Browser"
+msgstr ""
+
+#: applications/luci-app-filebrowser/root/usr/share/rpcd/acl.d/luci-app-filebrowser.json:3
+msgid "Grant access to File Browser"
+msgstr ""

applications/luci-app-filebrowser/root/usr/share/luci/menu.d/luci-app-filebrowser.json

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+{
+	"admin/system/filebrowser": {
+		"title": "File Browser",
+		"order": 80,
+		"action": {
+			"type": "view",
+			"path": "system/filebrowser"
+		},
+		"depends": {
+			"acl": [ "luci-app-filebrowser" ]
+		}
+	}
+}

applications/luci-app-filebrowser/root/usr/share/rpcd/acl.d/luci-app-filebrowser.json

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+{
+	"luci-app-filebrowser": {
+		"description": "Grant access to File Browser",
+		"write": {
+			"cgi-io": [ "upload", "download" ],
+			"ubus": {
+				"file": [ "*" ]
+			},
+			"file": {
+				"/*": [  "list", "read", "write" ]
+			}
+		}
+	}
+}