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Only doing LLM evaluation on phase 2 and sandbox #144

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Aug 15, 2023
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Only doing LLM evaluation on phase 2 and sandbox #144

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24 changes: 14 additions & 10 deletions backend/src/openai.js
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Original file line number Diff line number Diff line change
Expand Up @@ -234,18 +234,22 @@ async function chatGptSendMessage(message, session, currentPhase) {
let wonPhase = false;

// evaluate the message for prompt injection
const evalPrompt = await queryPromptEvaluationModel(message);
if (evalPrompt.isMalicious) {
defenceInfo.triggeredDefences.push("LLM_EVALUATION");
if (isDefenceActive("LLM_EVALUATION", session.defences)) {
console.debug("LLM evalutation defence active.");
defenceInfo.blocked = true;
const evalResponse =
"Message blocked by the malicious prompt evaluator." +
evalPrompt.reason;
return { reply: evalResponse, defenceInfo: defenceInfo };
// to speed up replies, only do this on phases where defences are active
if (currentPhase >= 2) {
const evalPrompt = await queryPromptEvaluationModel(message);
if (evalPrompt.isMalicious) {
defenceInfo.triggeredDefences.push("LLM_EVALUATION");
if (isDefenceActive("LLM_EVALUATION", session.defences)) {
console.debug("LLM evalutation defence active.");
defenceInfo.blocked = true;
const evalResponse =
"Message blocked by the malicious prompt evaluator." +
evalPrompt.reason;
return { reply: evalResponse, defenceInfo: defenceInfo };
}
}
}

// add user message to chat
session.chatHistory.push({ role: "user", content: message });

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