Skip to content
17 changes: 15 additions & 2 deletions api/server/controllers/agents/__tests__/openai.spec.js
Original file line number Diff line number Diff line change
Expand Up @@ -576,7 +576,7 @@ describe('OpenAIChatCompletionController', () => {
);

it.each([true, false])(
'publishes only the accepted client call after a model claim (stream=%s)',
'publishes accepted client calls after text and a model claim (stream=%s)',
async (streaming) => {
const api = require('@librechat/api');
const actual = jest.requireActual('@librechat/api');
Expand Down Expand Up @@ -608,6 +608,9 @@ describe('OpenAIChatCompletionController', () => {
agentId: 'agent-123',
messageId: 'claimed-message',
});
await handlers.on_message_delta.handle('on_message_delta', {
delta: { content: [{ type: 'text', text: 'Checking the weather.' }] },
});
await handlers.on_model_response.handle('on_model_response', {
type: 'model_response',
id: 'accepted-client',
Expand All @@ -627,6 +630,9 @@ describe('OpenAIChatCompletionController', () => {
.map(([frame]) => frame)
.filter((frame) => frame !== 'data: [DONE]\n\n')
.map((frame) => JSON.parse(frame.slice(6)));
expect(
frames.some((frame) => frame.choices[0].delta.content === 'Checking the weather.'),
).toBe(true);
const calls = frames.flatMap((frame) => frame.choices[0].delta.tool_calls ?? []);
expect(calls).toEqual([
{ index: 0, id: 'a', type: 'function', function: { name: 'get_time', arguments: '' } },
Expand All @@ -642,6 +648,7 @@ describe('OpenAIChatCompletionController', () => {
expect(frames.at(-1).choices[0].finish_reason).toBe('tool_calls');
} else {
const choice = res.json.mock.calls[0][0].choices[0];
expect(choice.message.content).toBe('Checking the weather.');
expect(choice.message.tool_calls).toEqual([
{
id: 'a',
Expand Down Expand Up @@ -909,6 +916,7 @@ describe('OpenAIChatCompletionController', () => {
expect.anything(),
expect.anything(),
mockCompletionUsage,
true,
);
});

Expand All @@ -920,7 +928,12 @@ describe('OpenAIChatCompletionController', () => {

await OpenAIChatCompletionController(req, res);

expect(sendFinalChunk).toHaveBeenCalledWith(expect.anything(), 'stop', mockCompletionUsage);
expect(sendFinalChunk).toHaveBeenCalledWith(
expect.anything(),
'stop',
mockCompletionUsage,
true,
);
});

describe('content filtering', () => {
Expand Down
3 changes: 2 additions & 1 deletion api/server/controllers/agents/openai.js
Original file line number Diff line number Diff line change
Expand Up @@ -1180,7 +1180,7 @@ const executeOpenAIChatCompletion = async (envelope, { req, res }) => {
// Finalize response
const duration = Date.now() - requestStartTime;
if (isStreaming) {
sendFinalChunk(handlerConfig, 'stop', usage);
sendFinalChunk(handlerConfig, 'stop', usage, true);
res.end();
logger.debug(`[OpenAI API] Response ${responseId} completed in ${duration}ms (streaming)`);

Expand Down Expand Up @@ -1216,6 +1216,7 @@ const executeOpenAIChatCompletion = async (envelope, { req, res }) => {
aggregator.getReasoning(),
aggregator.toolCalls,
usage,
true,
);
res.json(response);
logger.debug(
Expand Down
4 changes: 2 additions & 2 deletions api/server/services/Config/app.js
Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,9 @@ async function invalidateCodeEnvironmentConfigCache(tenantId) {
await getCodeEnvironmentRegistry().invalidateAccessibleConfigurations(tenantId);
}

const loadBaseConfig = async () => {
const loadBaseConfig = async (mode) => {
/** @type {TCustomConfig} */
const config = (await loadCustomConfig()) ?? {};
const config = (await loadCustomConfig(true, { mode })) ?? {};
/** @type {Record<string, FunctionTool>} */
const systemTools = loadAndFormatTools({
adminFilter: config.filteredTools,
Expand Down
238 changes: 6 additions & 232 deletions api/server/services/Config/loadCustomConfig.js
Original file line number Diff line number Diff line change
@@ -1,237 +1,11 @@
const path = require('path');
const axios = require('axios');
const yaml = require('js-yaml');
const keyBy = require('lodash/keyBy');
const { loadYaml, redactConfigSecretMaps } = require('@librechat/api');
const { Providers } = require('@librechat/agents');
const { logger } = require('@librechat/data-schemas');
const {
configSchema,
paramSettings,
EModelEndpoint,
EImageOutputType,
setMaxSubagents,
agentParamSettings,
validateSettingDefinitions,
} = require('librechat-data-provider');
const { loadYaml, redactConfigSecretMaps, createCustomConfigLoader } = require('@librechat/api');

const projectRoot = path.resolve(__dirname, '..', '..', '..', '..');
const defaultConfigPath = path.resolve(projectRoot, 'librechat.yaml');

let i = 0;

const OPENROUTER_PROMPT_CACHE_DEFAULT = {
key: 'promptCache',
default: true,
};

function includesOpenRouter(value) {
return typeof value === 'string' && value.toLowerCase().includes(Providers.OPENROUTER);
}

function isOpenRouterEndpoint(endpoint) {
return includesOpenRouter(endpoint.name) || includesOpenRouter(endpoint.baseURL);
}

function shouldPreserveCustomParams(customParams) {
const defaultEndpoint = customParams?.defaultParamsEndpoint;
return (
defaultEndpoint && defaultEndpoint !== 'custom' && defaultEndpoint !== Providers.OPENROUTER
);
}

function addOpenRouterDefaults(endpoint) {
if (!isOpenRouterEndpoint(endpoint)) {
return;
}

if (shouldPreserveCustomParams(endpoint.customParams)) {
return;
}

const customParams = endpoint.customParams ?? {};
const paramDefinitions = customParams.paramDefinitions ?? [];
const hasPromptCache = paramDefinitions.some((param) => param.key === 'promptCache');

endpoint.customParams = {
...customParams,
defaultParamsEndpoint: Providers.OPENROUTER,
paramDefinitions: hasPromptCache
? paramDefinitions
: [...paramDefinitions, OPENROUTER_PROMPT_CACHE_DEFAULT],
};
}

/**
* Load custom configuration files and caches the object if the `cache` field at root is true.
* Validation via parsing the config file with the config schema.
* @function loadCustomConfig
* @returns {Promise<TCustomConfig | null>} A promise that resolves to null or the custom config object.
* */
async function loadCustomConfig(printConfig = true) {
// Use CONFIG_PATH if set, otherwise fallback to defaultConfigPath
const configPath = process.env.CONFIG_PATH || defaultConfigPath;

let customConfig;

if (/^https?:\/\//.test(configPath)) {
try {
const response = await axios.get(configPath);
customConfig = response.data;
} catch (error) {
i === 0 && logger.error(`Failed to fetch the remote config file from ${configPath}`, error);
i === 0 && i++;
return null;
}
} else {
customConfig = loadYaml(configPath);
if (!customConfig) {
i === 0 &&
logger.info(
'Custom config file missing or YAML format invalid.\n\nCheck out the latest config file guide for configurable options and features.\nhttps://www.librechat.ai/docs/configuration/librechat_yaml\n\n',
);
i === 0 && i++;
return null;
}

if (customConfig.reason || customConfig.stack) {
i === 0 && logger.error('Config file YAML format is invalid:', customConfig);
i === 0 && i++;
return null;
}
}

if (typeof customConfig === 'string') {
try {
customConfig = yaml.load(customConfig);
} catch (parseError) {
i === 0 && logger.info(`Failed to parse the YAML config from ${configPath}`, parseError);
i === 0 && i++;
return null;
}
}

// Applied before parsing so specs validated in the same pass (whose subagent
// presets share the cap) check against the configured limit. Invalid values
// are ignored here and rejected by the schema parse below.
setMaxSubagents(customConfig?.endpoints?.[EModelEndpoint.agents]?.maxSubagents);

const result = configSchema.strict().safeParse(customConfig);
if (result?.error?.errors?.some((err) => err?.path && err.path?.includes('imageOutputType'))) {
throw new Error(
`
Please specify a correct \`imageOutputType\` value (case-sensitive).

The available options are:
- ${EImageOutputType.JPEG}
- ${EImageOutputType.PNG}
- ${EImageOutputType.WEBP}

Refer to the latest config file guide for more information:
https://www.librechat.ai/docs/configuration/librechat_yaml`,
);
}
if (!result.success) {
let errorMessage = `Invalid custom config file at ${configPath}:
${JSON.stringify(result.error, null, 2)}`;

logger.error(errorMessage);
const speechError = result.error.errors.find(
(err) =>
err.code === 'unrecognized_keys' &&
(err.message?.includes('stt') || err.message?.includes('tts')),
);

if (speechError) {
logger.warn(`
The Speech-to-text and Text-to-speech configuration format has recently changed.
If you're getting this error, please refer to the latest documentation:

https://www.librechat.ai/docs/configuration/stt_tts`);
}

if (process.env.CONFIG_BYPASS_VALIDATION === 'true') {
logger.warn(
'CONFIG_BYPASS_VALIDATION is enabled. Continuing with default configuration despite validation errors.',
);
return null;
}

logger.error(
'Exiting due to invalid configuration. Set CONFIG_BYPASS_VALIDATION=true to bypass this check.',
);
process.exit(1);
} else {
if (printConfig) {
// Masks map-valued secrets (e.g. `langfuse.headers`) so literal gateway
// credentials are not copied into application logs on every startup.
const loggableConfig = redactConfigSecretMaps(customConfig);
logger.info('Custom config file loaded:');
logger.info(JSON.stringify(loggableConfig, null, 2));
logger.debug('Custom config:', loggableConfig);
}
}

(customConfig.endpoints?.custom ?? []).forEach(addOpenRouterDefaults);

(customConfig.endpoints?.custom ?? [])
.filter((endpoint) => endpoint.customParams)
.forEach((endpoint) => parseCustomParams(endpoint.name, endpoint.customParams));

if (result.data.modelSpecs) {
customConfig.modelSpecs = result.data.modelSpecs;
}

return customConfig;
}

// Validate and fill out missing values for custom parameters
function parseCustomParams(endpointName, customParams) {
const paramEndpoint = customParams.defaultParamsEndpoint ?? 'custom';
customParams.defaultParamsEndpoint = paramEndpoint;
customParams.paramDefinitions = customParams.paramDefinitions || [];

// Checks if `defaultParamsEndpoint` is a key in `paramSettings`.
const validEndpoints = new Set([
...Object.keys(paramSettings),
...Object.keys(agentParamSettings),
]);
if (!validEndpoints.has(paramEndpoint)) {
throw new Error(
`defaultParamsEndpoint of "${endpointName}" endpoint is invalid. ` +
`Valid options are ${Array.from(validEndpoints).join(', ')}`,
);
}

// creates default param maps
const regularParams = paramSettings[paramEndpoint] ?? [];
const agentParams = agentParamSettings[paramEndpoint] ?? [];
const defaultParams = regularParams.concat(agentParams);
const defaultParamsMap = keyBy(defaultParams, 'key');

// TODO: Remove this check once we support new parameters not part of default parameters.
// Checks if every key in `paramDefinitions` is valid.
const validKeys = new Set(Object.keys(defaultParamsMap));
const paramKeys = customParams.paramDefinitions.map((param) => param.key);
if (paramKeys.some((key) => !validKeys.has(key))) {
throw new Error(
`paramDefinitions of "${endpointName}" endpoint contains invalid key(s). ` +
`Valid parameter keys are ${Array.from(validKeys).join(', ')}`,
);
}

// Fill out missing values for custom param definitions
customParams.paramDefinitions = customParams.paramDefinitions.map((param) => {
return { ...defaultParamsMap[param.key], ...param, optionType: 'custom' };
});

try {
validateSettingDefinitions(customParams.paramDefinitions);
} catch (e) {
throw new Error(
`Custom parameter definitions for "${endpointName}" endpoint is malformed: ${e.message}`,
);
}
}

module.exports = loadCustomConfig;
module.exports = createCustomConfigLoader({
loadLocal: loadYaml,
defaultConfigPath,
redactConfig: redactConfigSecretMaps,
});
Loading
Loading