Lua Requires Chilkat v9.5.0.89+

Refinitiv World-Check One - Get Top Level Groups

See more Refinitiv Examples

Sends a signed GET request to get the top level groups. Lua

local chilkat = require("chilkat")

-- This example assumes the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.

local json = chilkat.JsonObject.new()

-- Create the following JSON:
--
-- {
--   "keyId": "aaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
--   "hmacKey": "xxxxzI3vi58xxxCBxxx1+P/d8tGxx7KuLqN/KMPNxxxxekhj8/bx83+1YQSUxxxxYyv939ceY06GvhYRKmxxxx==",
--   "algorithm": "hmac-sha256",
--   "headers": [
--     "(request-target)",
--     "host",
--     "date"
--   ]
-- }

-- Substitute your actual API key and API secret in place of "api-key" and "api-secret"
json:update_string("keyId", "api-key")
json:update_string("hmacKey", "api-secret")
json:update_string("algorithm", "hmac-sha256")
-- Indicate the names of the headers to be included in the signature.
-- "(request-target)" is not actually a header name, but is a special name for HTTP signatures.
-- Copy the following three lines of code exactly as-is.
-- Do not replace "host", "date", or "(request-target)" with values.
json:update_string("headers[0]", "(request-target)")
json:update_string("headers[1]", "host")
json:update_string("headers[2]", "date")

local http = chilkat.Http.new()

-- Setting the AuthSignature property causes the following header to be computed and added:
-- Authorization: Signature keyId="...", algorithm="hmac-sha256", headers="(request-target) host date", signature="..."
http.auth_signature = json:emit()

http:set_request_header("Cache-Control", "no-cache")

-- Chilkat will auto-add the Date header because it's needed by the HTTP Signature.

local responseJson = http:quick_get_str("https://api-worldcheck.refinitiv.com/v2/groups")
if not http.last_method_success then
    print(http.last_error_text)
    return
end

print(responseJson)
print("----")
-- A 200 status code indicates success.
print("Status code = " .. http.last_status)

-- Successful JSON looks like this:
-- [
--   {
--   "id": "...",
--   "name": "Company Name",
--   "parentId": null,
--   "hasChildren": false,
--   "status": "ACTIVE",
--   "children": []
--   }
-- ]

-- Use this online tool to generate parsing code from sample JSON:
-- Generate Parsing Code from JSON

local jarr = chilkat.JsonArray.new()

local success = jarr:load(responseJson)

local jsonObj
local id = ""
local name = ""
local parentId = ""
local hasChildren = false
local status = ""
local j = 0
local count_j = 0

local i = 0
local count_i = jarr.size
while i < count_i do
    jsonObj = jarr:object_at(i)
    id = jsonObj:string_of("id")
    name = jsonObj:string_of("name")
    parentId = jsonObj:string_of("parentId")
    hasChildren = jsonObj:bool_of("hasChildren")
    status = jsonObj:string_of("status")
    j = 0
    count_j = jsonObj:size_of_array("children")
    while j < count_j do
        jsonObj.j = j
        j = j + 1
    end

    i = i + 1
end