|
| 1 | +/* |
| 2 | + * Copyright OpenSearch Contributors |
| 3 | + * SPDX-License-Identifier: Apache-2.0 |
| 4 | + */ |
| 5 | + |
| 6 | +package org.opensearch.integtest; |
| 7 | + |
| 8 | +import java.io.IOException; |
| 9 | +import java.io.InputStream; |
| 10 | +import java.nio.file.Files; |
| 11 | +import java.nio.file.LinkOption; |
| 12 | +import java.nio.file.Path; |
| 13 | +import java.nio.file.Paths; |
| 14 | +import java.security.GeneralSecurityException; |
| 15 | +import java.security.KeyStore; |
| 16 | +import java.util.ArrayList; |
| 17 | +import java.util.Arrays; |
| 18 | + |
| 19 | +import javax.net.ssl.SSLContext; |
| 20 | +import javax.net.ssl.SSLEngine; |
| 21 | + |
| 22 | +import org.apache.hc.client5.http.auth.AuthScope; |
| 23 | +import org.apache.hc.client5.http.auth.CredentialsProvider; |
| 24 | +import org.apache.hc.client5.http.auth.UsernamePasswordCredentials; |
| 25 | +import org.apache.hc.client5.http.config.RequestConfig; |
| 26 | +import org.apache.hc.client5.http.impl.async.HttpAsyncClientBuilder; |
| 27 | +import org.apache.hc.client5.http.impl.auth.BasicCredentialsProvider; |
| 28 | +import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager; |
| 29 | +import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManagerBuilder; |
| 30 | +import org.apache.hc.client5.http.ssl.ClientTlsStrategyBuilder; |
| 31 | +import org.apache.hc.client5.http.ssl.TrustSelfSignedStrategy; |
| 32 | +import org.apache.hc.core5.function.Factory; |
| 33 | +import org.apache.hc.core5.http.HttpHost; |
| 34 | +import org.apache.hc.core5.http.nio.ssl.TlsStrategy; |
| 35 | +import org.apache.hc.core5.pool.PoolConcurrencyPolicy; |
| 36 | +import org.apache.hc.core5.reactor.ssl.TlsDetails; |
| 37 | +import org.apache.hc.core5.ssl.SSLContextBuilder; |
| 38 | +import org.apache.hc.core5.util.Timeout; |
| 39 | +import org.apache.logging.log4j.LogManager; |
| 40 | +import org.apache.logging.log4j.Logger; |
| 41 | +import org.opensearch.OpenSearchException; |
| 42 | +import org.opensearch.client.RestClient; |
| 43 | +import org.opensearch.client.RestClientBuilder; |
| 44 | +import org.opensearch.common.Strings; |
| 45 | +import org.opensearch.common.settings.Settings; |
| 46 | +import org.opensearch.commons.ConfigConstants; |
| 47 | +import org.opensearch.commons.rest.TrustStore; |
| 48 | + |
| 49 | +/** |
| 50 | + * Provides builder to create low-level and high-level REST client to make calls to OpenSearch. |
| 51 | + * |
| 52 | + * Sample usage: |
| 53 | + * SecureRestClientBuilder builder = new SecureRestClientBuilder(settings).build() |
| 54 | + * RestClient restClient = builder.build(); |
| 55 | + * |
| 56 | + * Other usage: |
| 57 | + * RestClient restClient = new SecureRestClientBuilder("localhost", 9200, false) |
| 58 | + * .setUserPassword("admin", "admin") |
| 59 | + * .setTrustCerts(trustStorePath) |
| 60 | + * .build(); |
| 61 | + * |
| 62 | + * |
| 63 | + * If https is enabled, creates RestClientBuilder using self-signed certificates or passed pem |
| 64 | + * as trusted. |
| 65 | + * |
| 66 | + * If https is not enabled, creates a http based client. |
| 67 | + */ |
| 68 | +public class SecureRestClientBuilder { |
| 69 | + |
| 70 | + private final boolean httpSSLEnabled; |
| 71 | + private final String user; |
| 72 | + private final String passwd; |
| 73 | + private final ArrayList<HttpHost> hosts = new ArrayList<>(); |
| 74 | + |
| 75 | + private final Path configPath; |
| 76 | + private final Settings settings; |
| 77 | + |
| 78 | + private int defaultConnectTimeOutMSecs = 5000; |
| 79 | + private int defaultSoTimeoutMSecs = 10000; |
| 80 | + private int defaultConnRequestTimeoutMSecs = 0; |
| 81 | + |
| 82 | + private static final Logger log = LogManager.getLogger(SecureRestClientBuilder.class); |
| 83 | + |
| 84 | + /** |
| 85 | + * ONLY for integration tests. |
| 86 | + * @param host |
| 87 | + * @param port |
| 88 | + * @param httpSSLEnabled |
| 89 | + * @param user |
| 90 | + * @param passWord |
| 91 | + */ |
| 92 | + public SecureRestClientBuilder( |
| 93 | + final String host, |
| 94 | + final int port, |
| 95 | + final boolean httpSSLEnabled, |
| 96 | + final String user, |
| 97 | + final String passWord |
| 98 | + ) { |
| 99 | + if (Strings.isNullOrEmpty(user) || Strings.isNullOrEmpty(passWord)) { |
| 100 | + throw new IllegalArgumentException("Invalid user or password"); |
| 101 | + } |
| 102 | + |
| 103 | + this.httpSSLEnabled = httpSSLEnabled; |
| 104 | + this.user = user; |
| 105 | + this.passwd = passWord; |
| 106 | + this.settings = Settings.EMPTY; |
| 107 | + this.configPath = null; |
| 108 | + hosts.add(new HttpHost(httpSSLEnabled ? ConfigConstants.HTTPS : ConfigConstants.HTTP, host, port)); |
| 109 | + } |
| 110 | + |
| 111 | + /** |
| 112 | + * ONLY for integration tests. |
| 113 | + * @param httpHosts |
| 114 | + * @param httpSSLEnabled |
| 115 | + * @param user |
| 116 | + * @param passWord |
| 117 | + */ |
| 118 | + public SecureRestClientBuilder(HttpHost[] httpHosts, final boolean httpSSLEnabled, final String user, final String passWord) { |
| 119 | + |
| 120 | + if (Strings.isNullOrEmpty(user) || Strings.isNullOrEmpty(passWord)) { |
| 121 | + throw new IllegalArgumentException("Invalid user or password"); |
| 122 | + } |
| 123 | + |
| 124 | + this.httpSSLEnabled = httpSSLEnabled; |
| 125 | + this.user = user; |
| 126 | + this.passwd = passWord; |
| 127 | + this.settings = Settings.EMPTY; |
| 128 | + this.configPath = null; |
| 129 | + hosts.addAll(Arrays.asList(httpHosts)); |
| 130 | + } |
| 131 | + |
| 132 | + public SecureRestClientBuilder(Settings settings, Path configPath) { |
| 133 | + |
| 134 | + this.httpSSLEnabled = settings.getAsBoolean(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_ENABLED, false); |
| 135 | + this.settings = settings; |
| 136 | + this.configPath = configPath; |
| 137 | + this.user = null; |
| 138 | + this.passwd = null; |
| 139 | + String host = ConfigConstants.HOST_DEFAULT; |
| 140 | + int port = settings.getAsInt(ConfigConstants.HTTP_PORT, ConfigConstants.HTTP_PORT_DEFAULT); |
| 141 | + hosts.add(new HttpHost(httpSSLEnabled ? ConfigConstants.HTTPS : ConfigConstants.HTTP, host, port)); |
| 142 | + } |
| 143 | + |
| 144 | + public SecureRestClientBuilder(Settings settings, Path configPath, HttpHost[] httpHosts) { |
| 145 | + this.httpSSLEnabled = settings.getAsBoolean(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_ENABLED, false); |
| 146 | + this.settings = settings; |
| 147 | + this.configPath = configPath; |
| 148 | + this.user = null; |
| 149 | + this.passwd = null; |
| 150 | + hosts.addAll(Arrays.asList(httpHosts)); |
| 151 | + } |
| 152 | + |
| 153 | + /** |
| 154 | + * Creates a low-level Rest client. |
| 155 | + * @return |
| 156 | + * @throws IOException |
| 157 | + */ |
| 158 | + public RestClient build() throws IOException { |
| 159 | + return createRestClientBuilder().build(); |
| 160 | + } |
| 161 | + |
| 162 | + public SecureRestClientBuilder setConnectTimeout(int timeout) { |
| 163 | + this.defaultConnectTimeOutMSecs = timeout; |
| 164 | + return this; |
| 165 | + } |
| 166 | + |
| 167 | + public SecureRestClientBuilder setSocketTimeout(int timeout) { |
| 168 | + this.defaultSoTimeoutMSecs = timeout; |
| 169 | + return this; |
| 170 | + } |
| 171 | + |
| 172 | + public SecureRestClientBuilder setConnectionRequestTimeout(int timeout) { |
| 173 | + this.defaultConnRequestTimeoutMSecs = timeout; |
| 174 | + return this; |
| 175 | + } |
| 176 | + |
| 177 | + private RestClientBuilder createRestClientBuilder() throws IOException { |
| 178 | + RestClientBuilder builder = RestClient.builder(hosts.toArray(new HttpHost[hosts.size()])); |
| 179 | + |
| 180 | + builder.setRequestConfigCallback(new RestClientBuilder.RequestConfigCallback() { |
| 181 | + @Override |
| 182 | + public RequestConfig.Builder customizeRequestConfig(RequestConfig.Builder requestConfigBuilder) { |
| 183 | + return requestConfigBuilder |
| 184 | + .setConnectTimeout(Timeout.ofMilliseconds(defaultConnectTimeOutMSecs)) |
| 185 | + .setResponseTimeout(Timeout.ofMilliseconds(defaultSoTimeoutMSecs)) |
| 186 | + .setConnectionRequestTimeout(Timeout.ofMilliseconds(defaultConnRequestTimeoutMSecs)); |
| 187 | + } |
| 188 | + }); |
| 189 | + |
| 190 | + final SSLContext sslContext; |
| 191 | + try { |
| 192 | + sslContext = createSSLContext(); |
| 193 | + } catch (GeneralSecurityException | IOException ex) { |
| 194 | + throw new IOException(ex); |
| 195 | + } |
| 196 | + final CredentialsProvider credentialsProvider = createCredsProvider(); |
| 197 | + builder.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() { |
| 198 | + @Override |
| 199 | + public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) { |
| 200 | + if (sslContext != null) { |
| 201 | + TlsStrategy tlsStrategy = ClientTlsStrategyBuilder |
| 202 | + .create() |
| 203 | + .setSslContext(sslContext) |
| 204 | + // See please https://issues.apache.org/jira/browse/HTTPCLIENT-2219 |
| 205 | + .setTlsDetailsFactory(new Factory<SSLEngine, TlsDetails>() { |
| 206 | + @Override |
| 207 | + public TlsDetails create(final SSLEngine sslEngine) { |
| 208 | + return new TlsDetails(sslEngine.getSession(), sslEngine.getApplicationProtocol()); |
| 209 | + } |
| 210 | + }) |
| 211 | + .build(); |
| 212 | + PoolingAsyncClientConnectionManager connectionManager = PoolingAsyncClientConnectionManagerBuilder |
| 213 | + .create() |
| 214 | + .setMaxConnPerRoute(300) |
| 215 | + .setMaxConnTotal(1000) |
| 216 | + .setTlsStrategy(tlsStrategy) |
| 217 | + .build(); |
| 218 | + httpClientBuilder.setConnectionManager(connectionManager); |
| 219 | + } |
| 220 | + if (credentialsProvider != null) { |
| 221 | + httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider); |
| 222 | + } |
| 223 | + return httpClientBuilder; |
| 224 | + } |
| 225 | + }); |
| 226 | + return builder; |
| 227 | + } |
| 228 | + |
| 229 | + private SSLContext createSSLContext() throws IOException, GeneralSecurityException { |
| 230 | + SSLContextBuilder builder = new SSLContextBuilder(); |
| 231 | + if (httpSSLEnabled) { |
| 232 | + // Handle trust store |
| 233 | + String pemFile = getTrustPem(); |
| 234 | + if (Strings.isNullOrEmpty(pemFile)) { |
| 235 | + builder.loadTrustMaterial(null, new TrustSelfSignedStrategy()); |
| 236 | + } else { |
| 237 | + String pem = resolve(pemFile, configPath); |
| 238 | + KeyStore trustStore = new TrustStore(pem).create(); |
| 239 | + builder.loadTrustMaterial(trustStore, null); |
| 240 | + } |
| 241 | + |
| 242 | + // Handle key store. |
| 243 | + KeyStore keyStore = getKeyStore(); |
| 244 | + if (keyStore != null) { |
| 245 | + builder.loadKeyMaterial(keyStore, getKeystorePasswd().toCharArray()); |
| 246 | + } |
| 247 | + |
| 248 | + } |
| 249 | + return builder.build(); |
| 250 | + } |
| 251 | + |
| 252 | + private CredentialsProvider createCredsProvider() { |
| 253 | + if (Strings.isNullOrEmpty(user) || Strings.isNullOrEmpty(passwd)) |
| 254 | + return null; |
| 255 | + |
| 256 | + final BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider(); |
| 257 | + credentialsProvider.setCredentials(new AuthScope(null, -1), new UsernamePasswordCredentials(user, passwd.toCharArray())); |
| 258 | + return credentialsProvider; |
| 259 | + } |
| 260 | + |
| 261 | + private String resolve(final String originalFile, final Path configPath) { |
| 262 | + String path = null; |
| 263 | + if (originalFile != null && originalFile.length() > 0) { |
| 264 | + path = configPath.resolve(originalFile).toAbsolutePath().toString(); |
| 265 | + log.debug("Resolved {} to {} against {}", originalFile, path, configPath.toAbsolutePath().toString()); |
| 266 | + } |
| 267 | + |
| 268 | + if (path == null || path.length() == 0) { |
| 269 | + throw new OpenSearchException("Empty file path for " + originalFile); |
| 270 | + } |
| 271 | + |
| 272 | + if (Files.isDirectory(Paths.get(path), LinkOption.NOFOLLOW_LINKS)) { |
| 273 | + throw new OpenSearchException("Is a directory: " + path + " Expected a file for " + originalFile); |
| 274 | + } |
| 275 | + |
| 276 | + if (!Files.isReadable(Paths.get(path))) { |
| 277 | + throw new OpenSearchException( |
| 278 | + "Unable to read " |
| 279 | + + path |
| 280 | + + " (" |
| 281 | + + Paths.get(path) |
| 282 | + + "). Please make sure this files exists and is readable regarding to permissions. Property: " |
| 283 | + + originalFile |
| 284 | + ); |
| 285 | + } |
| 286 | + if ("".equals(path)) { |
| 287 | + path = null; |
| 288 | + } |
| 289 | + return path; |
| 290 | + } |
| 291 | + |
| 292 | + private String getTrustPem() { |
| 293 | + return settings.get(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_PEMCERT_FILEPATH, null); |
| 294 | + } |
| 295 | + |
| 296 | + private String getKeystorePasswd() { |
| 297 | + return settings.get(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_KEYSTORE_KEYPASSWORD, null); |
| 298 | + } |
| 299 | + |
| 300 | + private KeyStore getKeyStore() throws IOException, GeneralSecurityException { |
| 301 | + KeyStore keyStore = KeyStore.getInstance("jks"); |
| 302 | + String keyStoreFile = settings.get(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_KEYSTORE_FILEPATH, null); |
| 303 | + String passwd = settings.get(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_KEYSTORE_PASSWORD, null); |
| 304 | + if (Strings.isNullOrEmpty(keyStoreFile) || Strings.isNullOrEmpty(passwd)) { |
| 305 | + return null; |
| 306 | + } |
| 307 | + String keyStorePath = resolve(keyStoreFile, configPath); |
| 308 | + try (InputStream is = Files.newInputStream(Paths.get(keyStorePath))) { |
| 309 | + keyStore.load(is, passwd.toCharArray()); |
| 310 | + } |
| 311 | + return keyStore; |
| 312 | + } |
| 313 | +} |
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