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Fix IoT custom authorizer without token signature #528

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Fix IoT custom authorizer without token signature #528

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7 changes: 2 additions & 5 deletions lib/common/aws_iot_shared.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -82,13 +82,10 @@ export function populate_username_string_with_custom_authorizer(
username_string = add_to_username_parameter(username_string, input_authorizer, "x-amz-customauthorizer-name=");
}

if (is_string_and_not_empty(input_signature) || is_string_and_not_empty(input_token_value) || is_string_and_not_empty(input_token_key_name)) {
if (!input_token_value || !input_token_key_name || !input_signature) {
if (is_string_and_not_empty(input_signature) && input_signature) {
if (!is_string_and_not_empty(input_token_value) || !is_string_and_not_empty(input_token_key_name)) {
throw new Error("Signing-based custom authentication requires all token-related properties to be set");
}
}

if (is_string_and_not_empty(input_signature) && input_signature) {
username_string = add_to_username_parameter(username_string, input_signature, "x-amz-customauthorizer-signature=");
}

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