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mirror of https://github.com/j-a-n/raspberrymatic-addon-rmupdate.git synced 2023-10-10 13:37:40 +02:00
raspberrymatic-addon-rmupdate/addon/www/rest.cgi

115 lines
3.2 KiB
Tcl

#!/bin/tclsh
# RaspMatic update addon
#
# Copyright (C) 2017 Jan Schneider <oss@janschneider.net>
#
# 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 <http://www.gnu.org/licenses/>.
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] == "get_firmware_info"} {
return [rmupdate::get_firmware_info]
} elseif {[lindex $path 1] == "start_install_firmware"} {
regexp {\"version\"\s*:\s*\"([\d\.]+)\"} $data match version
regexp {\"reboot\"\s*:\s*(true|false)} $data match reboot
regexp {\"dryrun\"\s*:\s*(true|false)} $data match dryrun
if { [info exists version] && $version != "" } {
if { ![info exists reboot] } {
set reboot "true"
}
if {$reboot == "true"} {
set reboot 1
} else {
set reboot 0
}
if { ![info exists reboot] } {
set dryrun "false"
}
if {$dryrun == "true"} {
set dryrun 1
} else {
set dryrun 0
}
return "\"[rmupdate::install_firmware_version $version $reboot $dryrun]\""
} else {
error "Invalid version: ${data}"
}
} elseif {[lindex $path 1] == "delete_firmware_image"} {
regexp {\"version\"\s*:\s*\"([\d\.]+)\"} $data match version
if { [info exists version] && $version != "" } {
set res [rmupdate::delete_firmware_image $version]
return "\"${res}\""
} else {
error "Invalid version: ${data}"
}
} elseif {[lindex $path 1] == "is_system_upgradeable"} {
if {[rmupdate::is_system_upgradeable]} {
return "true"
} else {
return "false"
}
} elseif {[lindex $path 1] == "read_install_log"} {
variable content_type "text/html"
return [rmupdate::read_install_log]
}
}
error "invalid request" "Not found" 404
}
variable content_type "application/json"
if [catch {process} result] {
set status 500
if { [info exists $errorCode] } {
set status $errorCode
}
puts "Content-Type: ${content_type}"
puts "Status: $status";
puts ""
set result [json_string $result]
puts -nonewline "\{\"error\":\"${result}\"\}"
} else {
puts "Content-Type: ${content_type}"
puts "Status: 200 OK";
puts ""
puts -nonewline $result
}