🔃 refactor: rename all server endpoints to use same file names (#4364)

api/server/services/Endpoints/openAI/initialize.js

@@ -0,0 +1,147 @@
+const {
+  ErrorTypes,
+  EModelEndpoint,
+  resolveHeaders,
+  mapModelToAzureConfig,
+} = require('librechat-data-provider');
+const { getUserKeyValues, checkUserKeyExpiry } = require('~/server/services/UserService');
+const { getLLMConfig } = require('~/server/services/Endpoints/openAI/llm');
+const { isEnabled, isUserProvided } = require('~/server/utils');
+const { getAzureCredentials } = require('~/utils');
+const { OpenAIClient } = require('~/app');
+
+const initializeClient = async ({
+  req,
+  res,
+  endpointOption,
+  optionsOnly,
+  overrideEndpoint,
+  overrideModel,
+}) => {
+  const {
+    PROXY,
+    OPENAI_API_KEY,
+    AZURE_API_KEY,
+    OPENAI_REVERSE_PROXY,
+    AZURE_OPENAI_BASEURL,
+    OPENAI_SUMMARIZE,
+    DEBUG_OPENAI,
+  } = process.env;
+  const { key: expiresAt } = req.body;
+  const modelName = overrideModel ?? req.body.model;
+  const endpoint = overrideEndpoint ?? req.body.endpoint;
+  const contextStrategy = isEnabled(OPENAI_SUMMARIZE) ? 'summarize' : null;
+
+  const credentials = {
+    [EModelEndpoint.openAI]: OPENAI_API_KEY,
+    [EModelEndpoint.azureOpenAI]: AZURE_API_KEY,
+  };
+
+  const baseURLOptions = {
+    [EModelEndpoint.openAI]: OPENAI_REVERSE_PROXY,
+    [EModelEndpoint.azureOpenAI]: AZURE_OPENAI_BASEURL,
+  };
+
+  const userProvidesKey = isUserProvided(credentials[endpoint]);
+  const userProvidesURL = isUserProvided(baseURLOptions[endpoint]);
+
+  let userValues = null;
+  if (expiresAt && (userProvidesKey || userProvidesURL)) {
+    checkUserKeyExpiry(expiresAt, endpoint);
+    userValues = await getUserKeyValues({ userId: req.user.id, name: endpoint });
+  }
+
+  let apiKey = userProvidesKey ? userValues?.apiKey : credentials[endpoint];
+  let baseURL = userProvidesURL ? userValues?.baseURL : baseURLOptions[endpoint];
+
+  const clientOptions = {
+    contextStrategy,
+    proxy: PROXY ?? null,
+    debug: isEnabled(DEBUG_OPENAI),
+    reverseProxyUrl: baseURL ? baseURL : null,
+    ...endpointOption,
+  };
+
+  const isAzureOpenAI = endpoint === EModelEndpoint.azureOpenAI;
+  /** @type {false | TAzureConfig} */
+  const azureConfig = isAzureOpenAI && req.app.locals[EModelEndpoint.azureOpenAI];
+
+  if (isAzureOpenAI && azureConfig) {
+    const { modelGroupMap, groupMap } = azureConfig;
+    const {
+      azureOptions,
+      baseURL,
+      headers = {},
+      serverless,
+    } = mapModelToAzureConfig({
+      modelName,
+      modelGroupMap,
+      groupMap,
+    });
+
+    clientOptions.reverseProxyUrl = baseURL ?? clientOptions.reverseProxyUrl;
+    clientOptions.headers = resolveHeaders({ ...headers, ...(clientOptions.headers ?? {}) });
+
+    clientOptions.titleConvo = azureConfig.titleConvo;
+    clientOptions.titleModel = azureConfig.titleModel;
+
+    const azureRate = modelName.includes('gpt-4') ? 30 : 17;
+    clientOptions.streamRate = azureConfig.streamRate ?? azureRate;
+
+    clientOptions.titleMethod = azureConfig.titleMethod ?? 'completion';
+
+    const groupName = modelGroupMap[modelName].group;
+    clientOptions.addParams = azureConfig.groupMap[groupName].addParams;
+    clientOptions.dropParams = azureConfig.groupMap[groupName].dropParams;
+    clientOptions.forcePrompt = azureConfig.groupMap[groupName].forcePrompt;
+
+    apiKey = azureOptions.azureOpenAIApiKey;
+    clientOptions.azure = !serverless && azureOptions;
+  } else if (isAzureOpenAI) {
+    clientOptions.azure = userProvidesKey ? JSON.parse(userValues.apiKey) : getAzureCredentials();
+    apiKey = clientOptions.azure.azureOpenAIApiKey;
+  }
+
+  /** @type {undefined | TBaseEndpoint} */
+  const openAIConfig = req.app.locals[EModelEndpoint.openAI];
+
+  if (!isAzureOpenAI && openAIConfig) {
+    clientOptions.streamRate = openAIConfig.streamRate;
+  }
+
+  /** @type {undefined | TBaseEndpoint} */
+  const allConfig = req.app.locals.all;
+  if (allConfig) {
+    clientOptions.streamRate = allConfig.streamRate;
+  }
+
+  if (userProvidesKey & !apiKey) {
+    throw new Error(
+      JSON.stringify({
+        type: ErrorTypes.NO_USER_KEY,
+      }),
+    );
+  }
+
+  if (!apiKey) {
+    throw new Error(`${endpoint} API Key not provided.`);
+  }
+
+  if (optionsOnly) {
+    const requestOptions = Object.assign(
+      {
+        modelOptions: endpointOption.modelOptions,
+      },
+      clientOptions,
+    );
+    return getLLMConfig(apiKey, requestOptions);
+  }
+
+  const client = new OpenAIClient(apiKey, Object.assign({ req, res }, clientOptions));
+  return {
+    client,
+    openAIApiKey: apiKey,
+  };
+};
+
+module.exports = initializeClient;