ChatGPT-Next-Web/app/api/provider/[...path]/route.ts

94 lines
2.5 KiB
TypeScript

import * as ProviderTemplates from "@/app/client/providers";
import { getServerSideConfig } from "@/app/config/server";
import { NextRequest, NextResponse } from "next/server";
import { cloneDeep } from "lodash-es";
import {
disableSystemApiKey,
makeUrlsUsable,
modelNameRequestHeader,
} from "@/app/client/common";
import { collectModelTable } from "@/app/utils/model";
async function handle(
req: NextRequest,
{ params }: { params: { path: string[] } },
) {
const [providerName] = params.path;
const { headers } = req;
const serverConfig = getServerSideConfig();
const modelName = headers.get(modelNameRequestHeader);
const ProviderTemplate = Object.values(ProviderTemplates).find(
(t) => t.prototype.name === providerName,
);
if (!ProviderTemplate) {
return NextResponse.json(
{
error: true,
message: "No provider found: " + providerName,
},
{
status: 404,
},
);
}
// #1815 try to refuse gpt4 request
if (modelName && serverConfig.customModels) {
try {
const modelTable = collectModelTable([], serverConfig.customModels);
// not undefined and is false
if (modelTable[modelName]?.available === false) {
return NextResponse.json(
{
error: true,
message: `you are not allowed to use ${modelName} model`,
},
{
status: 403,
},
);
}
} catch (e) {
console.error("models filter", e);
}
}
const config = disableSystemApiKey(
makeUrlsUsable(cloneDeep(serverConfig), [
"anthropicUrl",
"azureUrl",
"googleUrl",
"baseUrl",
]),
["anthropicApiKey", "azureApiKey", "googleApiKey", "apiKey"],
serverConfig.needCode &&
ProviderTemplate !== ProviderTemplates.NextChatProvider, // if it must take a access code in the req, do not provide system-keys for Non-nextchat providers
);
const request = Object.assign({}, req, {
subpath: params.path.join("/"),
});
return new ProviderTemplate().serverSideRequestHandler(request, config);
}
export const GET = handle;
export const POST = handle;
export const PUT = handle;
export const PATCH = handle;
export const DELETE = handle;
export const OPTIONS = handle;
export const runtime = "edge";
export const preferredRegion = Array.from(
new Set(
Object.values(ProviderTemplates).reduce(
(arr, t) => [...arr, ...(t.prototype.preferredRegion ?? [])],
[] as string[],
),
),
);