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opus/sys/apps/system/trust.lua
2020-08-24 01:41:25 -04:00

55 lines
1.3 KiB
Lua

local UI = require("opus.ui")
local Util = require("opus.util")
local SHA = require('opus.crypto.sha2')
local function split(s)
local b = ""
for i = 1, #s, 5 do
b = b .. s:sub(i, i+4)
if i ~= #s-4 then
b = b .. "-"
end
end
return b
end
return UI.Tab {
title = 'Trust',
description = 'Manage trusted devices',
grid = UI.Grid {
x = 2, y = 2, ex = -2, ey = -3,
autospace = true,
sortColumn = 'id',
columns = {
{ heading = 'Computer ID', key = 'id'},
{ heading = 'Identity', key = 'pkey'}
}
},
statusBar = UI.StatusBar { values = 'double-click to revoke trust' },
reload = function(self)
local values = {}
for k,v in pairs(Util.readTable('usr/.known_hosts') or {}) do
table.insert(values, {
id = k,
pkey = split(SHA.compute(v):sub(-20):upper()) -- Obfuscate private key for visual ident
})
end
self.grid:setValues(values)
self.grid:setIndex(1)
end,
enable = function(self)
self:reload()
UI.Tab.enable(self)
end,
eventHandler = function(self, event)
if event.type == 'grid_select' then
local hosts = Util.readTable('usr/.known_hosts')
hosts[event.selected.id] = nil
Util.writeTable('usr/.known_hosts', hosts)
self:reload()
else
return UI.Tab.eventHandler(self, event)
end
return true
end
}