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54
examples/AWSDriverExample/src/main/java/software/amazon/FederatedAuthPluginExample.java
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| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). | ||
| * You may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package software.amazon; | ||
|
|
||
| import software.amazon.jdbc.PropertyDefinition; | ||
| import software.amazon.jdbc.plugin.federatedauth.FederatedAuthPlugin; | ||
| import java.sql.Connection; | ||
| import java.sql.DriverManager; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.sql.Statement; | ||
| import java.util.Properties; | ||
|
|
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| public class FederatedAuthPluginExample { | ||
|
|
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| private static final String CONNECTION_STRING = "jdbc:aws-wrapper:postgresql://db-identifier.XYZ.us-east-2.rds.amazonaws.com:5432/employees"; | ||
|
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| public static void main(String[] args) throws SQLException { | ||
| // Set the AWS Federated Authentication Connection Plugin parameters and the JDBC Wrapper parameters. | ||
| final Properties properties = new Properties(); | ||
|
|
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| // Enable the AWS Federated Authentication Connection Plugin. | ||
| properties.setProperty(PropertyDefinition.PLUGINS.name, "federatedAuth"); | ||
| properties.setProperty(FederatedAuthPlugin.IDP_NAME.name, "adfs"); | ||
| properties.setProperty(FederatedAuthPlugin.IDP_ENDPOINT.name, "ec2amaz-ab3cdef.example.com"); | ||
| properties.setProperty(FederatedAuthPlugin.IAM_ROLE_ARN.name, "arn:aws:iam::123456789012:role/adfs_example_iam_role"); | ||
| properties.setProperty(FederatedAuthPlugin.IAM_IDP_ARN.name, "arn:aws:iam::123456789012:saml-provider/adfs_example"); | ||
| properties.setProperty(FederatedAuthPlugin.IAM_REGION.name, "us-east-2"); | ||
| properties.setProperty(FederatedAuthPlugin.IDP_USERNAME.name, "[email protected]"); | ||
| properties.setProperty(FederatedAuthPlugin.IDP_PASSWORD.name, "somePassword"); | ||
| properties.setProperty(PropertyDefinition.USER.name, "someIamUser"); | ||
|
|
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| // Try and make a connection: | ||
| try (final Connection conn = DriverManager.getConnection(CONNECTION_STRING, properties); | ||
| final Statement statement = conn.createStatement(); | ||
| final ResultSet rs = statement.executeQuery("SELECT 1")) { | ||
| System.out.println(Util.getResult(rs)); | ||
| } | ||
| } | ||
| } |
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239 changes: 239 additions & 0 deletions
239
...c/main/java/software/amazon/jdbc/plugin/federatedauth/AdfsCredentialsProviderFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,239 @@ | ||
| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). | ||
| * You may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package software.amazon.jdbc.plugin.federatedauth; | ||
|
|
||
| import java.io.IOException; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URI; | ||
| import java.util.ArrayList; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Properties; | ||
| import java.util.Set; | ||
| import java.util.logging.Logger; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
| import org.apache.http.NameValuePair; | ||
| import org.apache.http.client.entity.UrlEncodedFormEntity; | ||
| import org.apache.http.client.methods.CloseableHttpResponse; | ||
| import org.apache.http.client.methods.HttpGet; | ||
| import org.apache.http.client.methods.HttpPost; | ||
| import org.apache.http.impl.client.CloseableHttpClient; | ||
| import org.apache.http.message.BasicNameValuePair; | ||
| import org.apache.http.util.EntityUtils; | ||
| import org.checkerframework.checker.nullness.qual.NonNull; | ||
| import software.amazon.jdbc.PluginService; | ||
| import software.amazon.jdbc.util.Messages; | ||
| import software.amazon.jdbc.util.StringUtils; | ||
| import software.amazon.jdbc.util.telemetry.TelemetryContext; | ||
| import software.amazon.jdbc.util.telemetry.TelemetryFactory; | ||
| import software.amazon.jdbc.util.telemetry.TelemetryTraceLevel; | ||
|
|
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| public class AdfsCredentialsProviderFactory extends SamlCredentialsProviderFactory { | ||
|
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| public static final String IDP_NAME = "adfs"; | ||
| private static final String TELEMETRY_FETCH_SAML = "Fetch ADFS SAML Assertion"; | ||
| private static final Logger LOGGER = Logger.getLogger(AdfsCredentialsProviderFactory.class.getName()); | ||
| private final PluginService pluginService; | ||
| private final TelemetryFactory telemetryFactory; | ||
| private final CloseableHttpClient httpClient; | ||
| private TelemetryContext telemetryContext; | ||
|
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| public AdfsCredentialsProviderFactory(PluginService pluginService, CloseableHttpClient httpClient) { | ||
| this.pluginService = pluginService; | ||
| this.telemetryFactory = this.pluginService.getTelemetryFactory(); | ||
| this.httpClient = httpClient; | ||
| } | ||
|
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| @Override | ||
| String getSamlAssertion(final @NonNull Properties props) { | ||
| this.telemetryContext = telemetryFactory.openTelemetryContext(TELEMETRY_FETCH_SAML, TelemetryTraceLevel.NESTED); | ||
|
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| String uri = "https://" + FederatedAuthPlugin.IDP_ENDPOINT.getString(props) + ':' | ||
| + FederatedAuthPlugin.IDP_PORT.getString(props) + "/adfs/ls/IdpInitiatedSignOn.aspx?loginToRp=" | ||
| + FederatedAuthPlugin.RELAYING_PARTY_ID.getString(props); | ||
|
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| try { | ||
| LOGGER.finest(Messages.get("AdfsCredentialsProviderFactory.signOnPageUrl", new Object[] {uri})); | ||
| validateURL(uri); | ||
| HttpGet get = new HttpGet(uri); | ||
| CloseableHttpResponse resp = httpClient.execute(get); | ||
|
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| if (resp.getStatusLine().getStatusCode() != 200) { | ||
| throw new IOException(Messages.get("AdfsCredentialsProviderFactory.signOnPageRequestFailed", | ||
| new Object[] { | ||
| resp.getStatusLine().getStatusCode(), | ||
| resp.getStatusLine().getReasonPhrase(), | ||
| EntityUtils.toString(resp.getEntity())})); | ||
| } | ||
|
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| String body = EntityUtils.toString(resp.getEntity()); | ||
|
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| String action = getFormAction(body); | ||
| if (!StringUtils.isNullOrEmpty(action) && action.startsWith("/")) { | ||
| uri = "https://" + FederatedAuthPlugin.IDP_ENDPOINT.getString(props) + ':' + FederatedAuthPlugin.IDP_PORT.getString(props) + action; | ||
| } | ||
|
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| LOGGER.finest(Messages.get("AdfsCredentialsProviderFactory.signOnPagePostActionUrl", new Object[] {uri})); | ||
|
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| validateURL(uri); | ||
| HttpPost post = new HttpPost(uri); | ||
| post.setEntity(new UrlEncodedFormEntity(getParameters(body, props))); | ||
| resp = httpClient.execute(post); | ||
| if (resp.getStatusLine().getStatusCode() != 200) { | ||
| throw new IOException(Messages.get("AdfsCredentialsProviderFactory.signOnPagePostActionRequestFailed", | ||
| new Object[] { | ||
| resp.getStatusLine().getStatusCode(), | ||
| resp.getStatusLine().getReasonPhrase(), | ||
| EntityUtils.toString(resp.getEntity())})); | ||
| } | ||
|
|
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| String content = EntityUtils.toString(resp.getEntity()); | ||
| Matcher matcher = FederatedAuthPlugin.SAML_RESPONSE_PATTERN.matcher(content); | ||
| if (!matcher.find()) { | ||
| throw new IOException(Messages.get("AdfsCredentialsProviderFactory.failedLogin", new Object[] {content})); | ||
| } | ||
|
|
||
| return matcher.group(1); | ||
| } catch (IOException e) { | ||
| LOGGER.severe(Messages.get("AdfsCredentialsProviderFactory.getSamlAssertionFailed", new Object[] {e})); | ||
| this.telemetryContext.setSuccess(false); | ||
| this.telemetryContext.setException(e); | ||
| throw new RuntimeException(e); | ||
| } finally { | ||
| this.telemetryContext.closeContext(); | ||
| } | ||
| } | ||
|
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| private List<String> getInputTagsFromHTML(String body) { | ||
| Set<String> distinctInputTags = new HashSet<>(); | ||
| List<String> inputTags = new ArrayList<String>(); | ||
| Pattern inputTagPattern = Pattern.compile("<input(.+?)/>", Pattern.DOTALL); | ||
| Matcher inputTagMatcher = inputTagPattern.matcher(body); | ||
| while (inputTagMatcher.find()) { | ||
| String tag = inputTagMatcher.group(0); | ||
| String tagNameLower = getValueByKey(tag, "name").toLowerCase(); | ||
| if (!tagNameLower.isEmpty() && distinctInputTags.add(tagNameLower)) { | ||
| inputTags.add(tag); | ||
| } | ||
| } | ||
| return inputTags; | ||
| } | ||
|
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| private String getValueByKey(String input, String key) { | ||
| Pattern keyValuePattern = Pattern.compile("(" + Pattern.quote(key) + ")\\s*=\\s*\"(.*?)\""); | ||
| Matcher keyValueMatcher = keyValuePattern.matcher(input); | ||
| if (keyValueMatcher.find()) { | ||
| return escapeHtmlEntity(keyValueMatcher.group(2)); | ||
| } | ||
| return ""; | ||
| } | ||
|
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| private String escapeHtmlEntity(String html) { | ||
| StringBuilder sb = new StringBuilder(html.length()); | ||
| int i = 0; | ||
| int length = html.length(); | ||
| while (i < length) { | ||
| char c = html.charAt(i); | ||
| if (c != '&') { | ||
| sb.append(c); | ||
| i++; | ||
| continue; | ||
| } | ||
|
|
||
| if (html.startsWith("&", i)) { | ||
| sb.append('&'); | ||
| i += 5; | ||
| } else if (html.startsWith("'", i)) { | ||
| sb.append('\''); | ||
| i += 6; | ||
| } else if (html.startsWith(""", i)) { | ||
| sb.append('"'); | ||
| i += 6; | ||
| } else if (html.startsWith("<", i)) { | ||
| sb.append('<'); | ||
| i += 4; | ||
| } else if (html.startsWith(">", i)) { | ||
| sb.append('>'); | ||
| i += 4; | ||
| } else { | ||
| sb.append(c); | ||
| ++i; | ||
| } | ||
| } | ||
| return sb.toString(); | ||
| } | ||
|
|
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| private List<NameValuePair> getParameters(String body, final @NonNull Properties props) { | ||
| List<NameValuePair> parameters = new ArrayList<NameValuePair>(); | ||
| for (String inputTag : getInputTagsFromHTML(body)) { | ||
| String name = getValueByKey(inputTag, "name"); | ||
| String value = getValueByKey(inputTag, "value"); | ||
| String nameLower = name.toLowerCase(); | ||
|
|
||
| if (nameLower.contains("username")) { | ||
| parameters.add(new BasicNameValuePair(name, FederatedAuthPlugin.IDP_USERNAME.getString(props))); | ||
| } else if (nameLower.contains("authmethod")) { | ||
| if (!value.isEmpty()) { | ||
| parameters.add(new BasicNameValuePair(name, value)); | ||
| } | ||
| } else if (nameLower.contains("password")) { | ||
| parameters | ||
| .add(new BasicNameValuePair(name, FederatedAuthPlugin.IDP_PASSWORD.getString(props))); | ||
| } else if (!name.isEmpty()) { | ||
| parameters.add(new BasicNameValuePair(name, value)); | ||
| } | ||
| } | ||
| return parameters; | ||
| } | ||
|
|
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| private String getFormAction(String body) { | ||
| Pattern pattern = Pattern.compile("<form.*?action=\"([^\"]+)\""); | ||
| Matcher m = pattern.matcher(body); | ||
| if (m.find()) { | ||
| return escapeHtmlEntity(m.group(1)); | ||
| } | ||
| return null; | ||
| } | ||
|
|
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| private void validateURL(String paramString) throws IOException { | ||
|
|
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| URI authorizeRequestUrl = URI.create(paramString); | ||
| String errorMessage = Messages.get("AdfsCredentialsProviderFactory.invalidHttpsUrl", new Object[] {paramString}); | ||
|
|
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| try { | ||
| if (!authorizeRequestUrl.toURL().getProtocol().equalsIgnoreCase("https")) { | ||
| throw new IOException(errorMessage); | ||
| } | ||
|
|
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| Matcher matcher = FederatedAuthPlugin.HTTPS_URL_PATTERN.matcher(paramString); | ||
| if (!matcher.find()) { | ||
| throw new IOException(errorMessage); | ||
| } | ||
| } catch (MalformedURLException e) { | ||
| throw new IOException(errorMessage, e); | ||
| } | ||
| } | ||
|
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| public void close() { | ||
| try { | ||
| this.httpClient.close(); | ||
| } catch (IOException e) { | ||
| // Ignore | ||
| } | ||
| } | ||
| } |
27 changes: 27 additions & 0 deletions
27
...r/src/main/java/software/amazon/jdbc/plugin/federatedauth/CredentialsProviderFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). | ||
| * You may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package software.amazon.jdbc.plugin.federatedauth; | ||
|
|
||
| import java.io.Closeable; | ||
| import java.util.Properties; | ||
| import org.checkerframework.checker.nullness.qual.NonNull; | ||
| import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider; | ||
| import software.amazon.awssdk.regions.Region; | ||
|
|
||
| public interface CredentialsProviderFactory extends Closeable { | ||
| AwsCredentialsProvider getAwsCredentialsProvider(String host, Region region, final @NonNull Properties props); | ||
| } |
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