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usnat backwards compatibility #76

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usnat backwards compatibility #76

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9 changes: 9 additions & 0 deletions modules/cmpapi/src/encoder/segment/UsNatCoreSegment.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,15 @@ export class UsNatCoreSegment extends AbstractLazilyEncodableSegment<EncodableBi
}
try {
let bitString: string = this.base64UrlEncoder.decode(encodedString);

// Necessary to maintain backwards compatibility when sensitive data processing changed from a
// length of 12 to 16 and known child sensitive data consents changed from a length of 2 to 3 in the
// DE, IA, NE, NH, NJ, TN release
if (bitString.length == 66) {
bitString =
bitString.substring(0, 48) + "00000000" + bitString.substring(48, 52) + "00" + bitString.substring(52, 62);
}

this.bitStringEncoder.decode(bitString, this.getFieldNames(), fields);
} catch (e) {
throw new DecodingError("Unable to decode UsNatCoreSegment '" + encodedString + "'");
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55 changes: 55 additions & 0 deletions modules/cmpapi/test/GppModel.test.ts
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Expand Up @@ -2,6 +2,9 @@ import { GppModel } from "../src/encoder/GppModel";
import { expect } from "chai";
import { TcfCaV1Field } from "../src/encoder/field/TcfCaV1Field";
import { UspV1Field } from "../src/encoder/field/UspV1Field";
import { UspV1 } from "../src/encoder/section/UspV1";
import { UsNat } from "../src/encoder/section/UsNat";
import { UsNatField } from "../src/encoder/field/UsNatField";

let utcDateTime = new Date("2022-01-01T00:00:00Z");

Expand Down Expand Up @@ -706,6 +709,58 @@ describe("manifest.GppModel", (): void => {
expect(gppModel.getFieldValue("tcfeuv2", "VendorConsents")).to.eql([1, 173, 722]);
});

it("should decode DBABTA~1YYN", (): void => {
let gppString = "DBABTA~1YYN";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UspV1.NAME, UspV1Field.VERSION);
});

it("should decode DBABLA~BVQqAAAAAgA.QA", (): void => {
let gppString = "DBABLA~BVQqAAAAAgA.QA";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UsNat.NAME, UspV1Field.VERSION);
});

it("should decode DBABLA~BAAAAAAAAQA.QA", (): void => {
let gppString = "DBABLA~BAAAAAAAAQA.QA";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UsNat.NAME, UspV1Field.VERSION);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.SENSITIVE_DATA_PROCESSING)).to.eql([
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.KNOWN_CHILD_SENSITIVE_DATA_CONSENTS)).to.eql([0, 0, 0]);
});

it("should decode DBABLA~BAAAAAAAAABA.QA", (): void => {
let gppString = "DBABLA~BAAAAAAAAABA.QA";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UsNat.NAME, UspV1Field.VERSION);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.SENSITIVE_DATA_PROCESSING)).to.eql([
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.KNOWN_CHILD_SENSITIVE_DATA_CONSENTS)).to.eql([0, 0, 0]);
});

it("should decode DBABLA~BAAAAAABEQA.QA", (): void => {
let gppString = "DBABLA~BAAAAAABEQA.QA";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UsNat.NAME, UspV1Field.VERSION);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.SENSITIVE_DATA_PROCESSING)).to.eql([
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
]);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.KNOWN_CHILD_SENSITIVE_DATA_CONSENTS)).to.eql([0, 1, 0]);
});

it("should decode DBABLA~BAAAAAAAAQRA.QA", (): void => {
let gppString = "DBABLA~BAAAAAAAAQRA.QA";
let gppModel = new GppModel(gppString);
gppModel.getFieldValue(UsNat.NAME, UspV1Field.VERSION);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.SENSITIVE_DATA_PROCESSING)).to.eql([
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
]);
expect(gppModel.getFieldValue(UsNat.NAME, UsNatField.KNOWN_CHILD_SENSITIVE_DATA_CONSENTS)).to.eql([0, 0, 1]);
});

it("should decode and encode consistently", (): void => {
let fromObjectModel = new GppModel();
fromObjectModel.setFieldValue("tcfeuv2", "PurposeConsents", [
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