mirror of
https://github.com/kepler155c/opus
synced 2024-11-15 05:04:50 +00:00
110 lines
2.5 KiB
Lua
110 lines
2.5 KiB
Lua
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local Event = require('event')
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local Util = require('util')
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local fs = _G.fs
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local modem = _G.device.wireless_modem
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local os = _G.os
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local computerId = os.getComputerID()
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modem.open(80)
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-- https://github.com/golgote/neturl/blob/master/lib/net/url.lua
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local function parseQuery(str)
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local sep = '&'
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local values = {}
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for key,val in str:gmatch(string.format('([^%q=]+)(=*[^%q=]*)', sep, sep)) do
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--local key = decode(key)
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local keys = {}
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key = key:gsub('%[([^%]]*)%]', function(v)
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-- extract keys between balanced brackets
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if string.find(v, "^-?%d+$") then
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v = tonumber(v)
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--else
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--v = decode(v)
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end
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table.insert(keys, v)
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return "="
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end)
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key = key:gsub('=+.*$', "")
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key = key:gsub('%s', "_") -- remove spaces in parameter name
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val = val:gsub('^=+', "")
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if not values[key] then
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values[key] = {}
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end
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if #keys > 0 and type(values[key]) ~= 'table' then
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values[key] = {}
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elseif #keys == 0 and type(values[key]) == 'table' then
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values[key] = val --decode(val)
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end
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local t = values[key]
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for i,k in ipairs(keys) do
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if type(t) ~= 'table' then
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t = {}
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end
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if k == "" then
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k = #t+1
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end
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if not t[k] then
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t[k] = {}
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end
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if i == #keys then
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t[k] = val --decode(val)
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end
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t = t[k]
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end
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end
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return values
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end
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local function getListing(path, recursive)
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local list = { }
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local function listing(p)
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for _, f in pairs(fs.listEx(p)) do
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local abs = fs.combine(p, f.name)
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table.insert(list, {
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isDir = f.isDir,
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path = string.sub(abs, #path + 1),
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size = f.size,
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})
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if recursive and f.isDir then
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listing(abs)
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end
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end
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end
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listing(path)
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return list
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end
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Event.on('modem_message', function(_, _, dport, dhost, request)
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if dport == 80 and dhost == computerId and type(request) == 'table' then
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if request.method == 'GET' then
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local query
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local path = request.path:gsub('%?(.*)', function(v)
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query = parseQuery(v)
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return ''
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end)
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if fs.isDir(path) then
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modem.transmit(request.replyPort, request.replyAddress, {
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statusCode = 200,
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contentType = 'table/directory',
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data = getListing(path, query and query.recursive == 'true'),
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})
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elseif fs.exists(path) then
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modem.transmit(request.replyPort, request.replyAddress, {
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statusCode = 200,
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contentType = 'table/file',
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data = Util.readFile(path),
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})
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else
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modem.transmit(request.replyPort, request.replyAddress, {
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statusCode = 404,
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})
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end
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end
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end
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end)
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