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Lua

Get the JWS Payload into a StringBuilder

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayloadSb, which writes the payload of a loaded JWS as text into a StringBuilder, decoded using the given charset.

Background. In practice, validate the signature before trusting the payload.

Chilkat Lua Downloads

Lua
local chilkat = require("chilkat")

local jws = chilkat.Jws.new()

-- Load the JWS compact serialization.
local jwsCompact = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>"
local success = jws:load_jws(jwsCompact)
if not success then
    print(jws.last_error_text)
    return
end

-- Get the JWS payload as text into a StringBuilder, decoded using the given charset.
local sbPayload = chilkat.StringBuilder.new()
success = jws:get_payload_sb("utf-8", sbPayload)
if not success then
    print(jws.last_error_text)
    return
end

print(sbPayload:get_as_string())