harmonyos-iap-integration

No direct supply-chain malware indicators are evident in the provided fragment (no obfuscation/payload execution, no exfiltration, no backdoor behavior). The dominant security concern is an integrity gap: JWSUtil only decodes the JWS payload and does not verify signatures/authenticity, yet decoded fields are used to make entitlement decisions and to call finishPurchase. Treat this as a trust-boundary weakness requiring proper JWS verification (and/or backend verification) before production use.