79 lines
3.2 KiB
JavaScript
79 lines
3.2 KiB
JavaScript
#!/usr/bin/env node
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"use strict";
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/**
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* Example demonstrating client_credentials grant for machine-to-machine authentication.
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*
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* Supports two authentication methods based on environment variables:
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*
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* 1. client_secret_basic (default):
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* MCP_CLIENT_ID - OAuth client ID (required)
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* MCP_CLIENT_SECRET - OAuth client secret (required)
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*
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* 2. private_key_jwt (when MCP_CLIENT_PRIVATE_KEY_PEM is set):
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* MCP_CLIENT_ID - OAuth client ID (required)
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* MCP_CLIENT_PRIVATE_KEY_PEM - PEM-encoded private key for JWT signing (required)
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* MCP_CLIENT_ALGORITHM - Signing algorithm (default: RS256)
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*
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* Common:
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* MCP_SERVER_URL - Server URL (default: http://localhost:3000/mcp)
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* MCP_EXPECTED_ISSUER - Issuer URL of the authorization server the credentials were registered with (required)
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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const index_js_1 = require("../../client/index.js");
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const streamableHttp_js_1 = require("../../client/streamableHttp.js");
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const auth_extensions_js_1 = require("../../client/auth-extensions.js");
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const DEFAULT_SERVER_URL = process.env.MCP_SERVER_URL || 'http://localhost:3000/mcp';
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function createProvider() {
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const clientId = process.env.MCP_CLIENT_ID;
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if (!clientId) {
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console.error('MCP_CLIENT_ID environment variable is required');
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process.exit(1);
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}
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// The authorization server these credentials were registered with
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const expectedIssuer = process.env.MCP_EXPECTED_ISSUER;
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if (!expectedIssuer) {
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console.error('MCP_EXPECTED_ISSUER environment variable is required');
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process.exit(1);
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}
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// If private key is provided, use private_key_jwt authentication
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const privateKeyPem = process.env.MCP_CLIENT_PRIVATE_KEY_PEM;
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if (privateKeyPem) {
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const algorithm = process.env.MCP_CLIENT_ALGORITHM || 'RS256';
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console.log('Using private_key_jwt authentication');
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return new auth_extensions_js_1.PrivateKeyJwtProvider({
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clientId,
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privateKey: privateKeyPem,
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algorithm,
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expectedIssuer
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});
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}
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// Otherwise, use client_secret_basic authentication
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const clientSecret = process.env.MCP_CLIENT_SECRET;
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if (!clientSecret) {
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console.error('MCP_CLIENT_SECRET or MCP_CLIENT_PRIVATE_KEY_PEM environment variable is required');
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process.exit(1);
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}
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console.log('Using client_secret_basic authentication');
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return new auth_extensions_js_1.ClientCredentialsProvider({
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clientId,
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clientSecret,
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expectedIssuer
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});
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}
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async function main() {
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const provider = createProvider();
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const client = new index_js_1.Client({ name: 'client-credentials-example', version: '1.0.0' }, { capabilities: {} });
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const transport = new streamableHttp_js_1.StreamableHTTPClientTransport(new URL(DEFAULT_SERVER_URL), {
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authProvider: provider
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});
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await client.connect(transport);
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console.log('Connected successfully.');
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const tools = await client.listTools();
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console.log('Available tools:', tools.tools.map(t => t.name).join(', ') || '(none)');
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await transport.close();
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}
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main().catch(err => {
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console.error(err);
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process.exit(1);
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});
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//# sourceMappingURL=simpleClientCredentials.js.map
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