flua REST API client for PDU
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Authored by freqlabs on Wed, Oct 7, 1:43 PM.

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	F175002967: flua REST API client for PDU
	Wed, Oct 7, 1:43 PM

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	#!/usr/libexec/flua

	local fetch <const> = require('fetch')
	local ucl <const> = require('ucl')

	local function encode(s)
	local function hex(char)
	return string.format('%%%02X', string.byte(char))
	end

	s = string.gsub(s, '\n', '\r\n')
	s = string.gsub(s, '([^%w %-%_%.%~])', hex)
	s = string.gsub(s, ' ', '+')

	return s
	end

	local function http_query_string(params)
	local query_parts <const> = {}
	for name, value in pairs(params) do
	if value == true then
	table.insert(query_parts, encode(name))
	else
	table.insert(query_parts, table.concat({
	encode(name), encode(tostring(value))
	}, '='))
	end
	end
	return table.concat(query_parts, '&')
	end

	local function field(name, value)
	return {name=name, value=value}
	end

	function PduApiClient:request(method, path, body, query)
	local url = self.baseUrl .. path
	if query ~= nil then
	url = url .. '?' .. http_query_string(query)
	end
	local headers <const> = {field('Accept', 'application/json')}
	local content
	if body ~= nil then
	table.insert(headers, field('Content-Type', 'application/json'))
	content = ucl.to_json(body, true)
	end
	if self.token ~= nil then
	table.insert(headers, field('authorization', 'bearer ' .. self.token))
	end
	local f <close> = assert(fetch.xrequest(url, method, self.flags, headers,
	nil, nil, nil, content))
	local parser <const> = ucl.parser()
	parser:parse_string(f:read('*a'))
	return parser:get_object()
	end

	function PduApiClient:login(username, password)
	local response <const> = self:request('POST', '/sys/login', {
	userLogin = {
	usr = username,
	pwd = password,
	}
	})
	if response.errCode ~= 0 then
	error('Login failed: ' .. ucl.to_json(response))
	end
	self.token = response.token
	if self.token == nil or self.token == '' then
	error('Login failed (invalid token): ' .. ucl.to_json(response))
	end
	return response
	end

	local client <const> = assert(PduApiClient{baseUrl='https://192.168.1.118/api'})

	client:login('admin', io.read('*a'))

	--print(ucl.to_json(client:request('GET', '/sys/top_banner')))

	print(ucl.to_json(client:request('PUT', '/overview/outlet/enable', {
	outletEnConfs = {
	outlet_id = 6,
	outlet_enable = true,
	}
	})))

Event Timeline

freqlabs created this paste.Wed, Oct 7, 1:43 PM

freqlabs created this object in space S1 Global.

freqlabs created this object with edit policy "No One".

freqlabs mentioned this in D40274: flua: Add libfetch functionality.Wed, Oct 7, 2:46 PM

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flua REST API client for PDU
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