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[7.x] Validate monitoring password at parse time #49083

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merged 2 commits into from
Nov 14, 2019
Merged

[7.x] Validate monitoring password at parse time #49083

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ddd394a
Validate monitoring password at parse time (#47740)
danhermann Nov 13, 2019
f80c4f3
Java8 compatibility
danhermann Nov 14, 2019
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51 changes: 39 additions & 12 deletions ...nitoring/src/main/java/org/elasticsearch/xpack/monitoring/exporter/http/HttpExporter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,45 @@ public Iterator<Setting<?>> settings() {
*/
public static final Setting.AffixSetting<String> AUTH_PASSWORD_SETTING =
Setting.affixKeySetting("xpack.monitoring.exporters.","auth.password",
(key) -> Setting.simpleString(key, Property.Dynamic, Property.NodeScope, Property.Filtered));
(key) -> Setting.simpleString(key,
new Setting.Validator<String>() {
@Override
public void validate(String password) {
// no password validation that is independent of other settings
}

@Override
public void validate(String password, Map<Setting<?>, Object> settings) {
final String namespace =
HttpExporter.AUTH_PASSWORD_SETTING.getNamespace(
HttpExporter.AUTH_PASSWORD_SETTING.getConcreteSetting(key));
final String username =
(String) settings.get(AUTH_USERNAME_SETTING.getConcreteSettingForNamespace(namespace));

// username is required for any auth
if (Strings.isNullOrEmpty(username)) {
if (Strings.isNullOrEmpty(password) == false) {
throw new IllegalArgumentException(
"[" + AUTH_PASSWORD_SETTING.getConcreteSettingForNamespace(namespace).getKey() + "] without [" +
AUTH_USERNAME_SETTING.getConcreteSettingForNamespace(namespace).getKey() + "]");
}
}
}

@Override
public Iterator<Setting<?>> settings() {
final String namespace =
HttpExporter.AUTH_PASSWORD_SETTING.getNamespace(
HttpExporter.AUTH_PASSWORD_SETTING.getConcreteSetting(key));
final List<Setting<?>> settings = Collections.singletonList(
HttpExporter.AUTH_USERNAME_SETTING.getConcreteSettingForNamespace(namespace));
return settings.iterator();
}

},
Property.Dynamic,
Property.NodeScope,
Property.Filtered));
/**
* The SSL settings.
*
Expand Down Expand Up @@ -626,17 +664,6 @@ private static CredentialsProvider createCredentialsProvider(final Config config
final String username = AUTH_USERNAME_SETTING.getConcreteSettingForNamespace(config.name()).get(config.settings());
final String password = AUTH_PASSWORD_SETTING.getConcreteSettingForNamespace(config.name()).get(config.settings());

// username is required for any auth
if (Strings.isNullOrEmpty(username)) {
if (Strings.isNullOrEmpty(password) == false) {
throw new SettingsException(
"[" + AUTH_PASSWORD_SETTING.getConcreteSettingForNamespace(config.name()).getKey() + "] without [" +
AUTH_USERNAME_SETTING.getConcreteSettingForNamespace(config.name()).getKey() + "]");
}
// nothing to configure; default situation for most users
return null;
}

final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password));

Expand Down
20 changes: 10 additions & 10 deletions ...ing/src/test/java/org/elasticsearch/xpack/monitoring/exporter/http/HttpExporterTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -226,17 +226,17 @@ public void testExporterWithEmptyHeaders() {
public void testExporterWithPasswordButNoUsername() {
final String expected =
"[xpack.monitoring.exporters._http.auth.password] without [xpack.monitoring.exporters._http.auth.username]";
final Settings.Builder builder = Settings.builder()
.put("xpack.monitoring.exporters._http.type", HttpExporter.TYPE)
.put("xpack.monitoring.exporters._http.host", "localhost:9200")
.put("xpack.monitoring.exporters._http.auth.password", "_pass");

final Config config = createConfig(builder.build());

final SettingsException exception = expectThrows(SettingsException.class,
() -> new HttpExporter(config, sslService, threadContext));
final String prefix = "xpack.monitoring.exporters._http";
final Settings settings = Settings.builder()
.put(prefix + ".type", HttpExporter.TYPE)
.put(prefix + ".host", "localhost:9200")
.put(prefix + ".auth.password", "_pass")
.build();

assertThat(exception.getMessage(), equalTo(expected));
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> HttpExporter.AUTH_PASSWORD_SETTING.getConcreteSetting(prefix + ".auth.password").get(settings));
assertThat(e, hasToString(containsString(expected)));
}

public void testExporterWithUsernameButNoPassword() {
Expand Down