diff --git a/addon/www/index.html b/addon/www/index.html
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--- /dev/null
+++ b/addon/www/index.html
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+ RaspberryMatic Update Addon
+
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+
diff --git a/addon/www/rest.cgi b/addon/www/rest.cgi
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+++ b/addon/www/rest.cgi
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+#!/bin/tclsh
+
+# RaspMatic update addon
+#
+# Copyright (C) 2017 Jan Schneider
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+source /usr/local/addons/rmupdate/lib/rmupdate.tcl
+
+proc json_string {str} {
+ set replace_map {
+ "\"" "\\\""
+ "\\" "\\\\"
+ "\b" "\\b"
+ "\f" "\\f"
+ "\n" "\\n"
+ "\r" "\\r"
+ "\t" "\\t"
+ }
+ return "[string map $replace_map $str]"
+}
+
+proc process {} {
+ global env
+ if { [info exists env(QUERY_STRING)] } {
+ set query $env(QUERY_STRING)
+ set data ""
+ if { [info exists env(CONTENT_LENGTH)] } {
+ set data [read stdin $env(CONTENT_LENGTH)]
+ }
+ set path [split $query {/}]
+ set plen [expr [llength $path] - 1]
+
+ if {[lindex $path 1] == "version"} {
+ return "\"[rmupdate::version]\""
+ } elseif {[lindex $path 1] == "xy"} {
+ }
+ }
+ error "invalid request" "Not found" 404
+}
+
+if [catch {process} result] {
+ set status 500
+ if { [info exists $errorCode] } {
+ set status $errorCode
+ }
+ puts "Content-Type: application/json"
+ puts "Status: $status";
+ puts ""
+ set result [json_string $result]
+ puts -nonewline "\{\"error\":\"${result}\"\}"
+} else {
+ puts "Content-Type: application/json"
+ puts "Status: 200 OK";
+ puts ""
+ puts -nonewline $result
+}
diff --git a/addon/www/update.cgi b/addon/www/update.cgi
new file mode 100644
index 0000000..809952b
--- /dev/null
+++ b/addon/www/update.cgi
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+#!/bin/tclsh
+
+# RaspMatic update addon
+#
+# Copyright (C) 2017 Jan Schneider
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+set version_url "https://github.com/j-a-n/raspberrymatic-addon-hue/raw/master/VERSION"
+set package_url "https://github.com/j-a-n/raspberrymatic-addon-hue/raw/master/rmupdate.tar.gz"
+
+set cmd ""
+if {[info exists env(QUERY_STRING)]} {
+ regexp {cmd=([^&]+)} $env(QUERY_STRING) match cmd
+}
+if {$cmd == "download"} {
+ puts ""
+} else {
+ puts [exec /usr/bin/wget -q --no-check-certificate -O- "${version_url}"]
+}