Files
OAI-Proxy/src/proxy/middleware/request/preprocessors/add-google-ai-key.ts
T

41 lines
1.4 KiB
TypeScript

import { keyPool } from "../../../../shared/key-management";
import { RequestPreprocessor } from "../index";
export const addGoogleAIKey: RequestPreprocessor = (req) => {
const apisValid = req.inboundApi === "openai" && req.outboundApi === "google-ai";
const serviceValid = req.service === "google-ai";
if (!apisValid || !serviceValid) {
throw new Error("addGoogleAIKey called on invalid request");
}
if (!req.body?.model) {
throw new Error("You must specify a model with your request.");
}
const model = req.body.model;
req.key = keyPool.get(model, "google-ai");
req.log.info(
{ key: req.key.hash, model },
"Assigned Google AI API key to request"
);
// https://generativelanguage.googleapis.com/v1beta/models/$MODEL_ID:generateContent?key=$API_KEY
// https://generativelanguage.googleapis.com/v1beta/models/$MODEL_ID:streamGenerateContent?key=${API_KEY}
req.isStreaming = req.isStreaming || req.body.stream;
delete req.body.stream;
req.signedRequest = {
method: "POST",
protocol: "https:",
hostname: "generativelanguage.googleapis.com",
path: `/v1beta/models/${model}:${req.isStreaming ? "streamGenerateContent" : "generateContent"}?key=${req.key.key}`,
headers: {
["host"]: `generativelanguage.googleapis.com`,
["content-type"]: "application/json",
},
body: JSON.stringify(req.body),
};
};