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/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.rest.resources.tools;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.ImmutableMap;
import org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.graylog2.ConfigurationException;
import org.graylog2.audit.jersey.NoAuditEvent;
import org.graylog2.inputs.extractors.JsonExtractor;
import org.graylog2.plugin.inputs.Converter;
import org.graylog2.plugin.inputs.Extractor;
import org.graylog2.rest.models.tools.requests.JsonTestRequest;
import org.graylog2.rest.models.tools.responses.JsonTesterResponse;
import org.graylog2.shared.rest.resources.RestResource;
import javax.validation.Valid;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import java.util.Collections;
import java.util.Map;
@RequiresAuthentication
@Path("/tools/json_tester")
@Produces(MediaType.APPLICATION_JSON)
public class JsonTesterResource extends RestResource {
@GET
@Timed
public JsonTesterResponse get(@QueryParam("string") @NotEmpty String string,
@QueryParam("flatten") @DefaultValue("false") boolean flatten,
@QueryParam("list_separator") @NotEmpty String listSeparator,
@QueryParam("key_separator") @NotEmpty String keySeparator,
@QueryParam("replace_key_whitespace") boolean replaceKeyWhitespace,
@QueryParam("key_whitespace_replacement") String keyWhitespaceReplacement,
@QueryParam("key_prefix") String keyPrefix,
@QueryParam("kv_separator") @NotEmpty String kvSeparator) {
return testJsonExtractor(string, flatten, listSeparator, keySeparator, kvSeparator, replaceKeyWhitespace, keyWhitespaceReplacement, keyPrefix);
}
@POST
@Timed
@Consumes(MediaType.APPLICATION_JSON)
@NoAuditEvent("only used for testing JSON extractor")
public JsonTesterResponse post(@Valid @NotNull JsonTestRequest r) {
return testJsonExtractor(r.string(), r.flatten(), r.listSeparator(), r.keySeparator(), r.kvSeparator(), r.replaceKeyWhitespace(), r.keyWhitespaceReplacement(), r.keyPrefix());
}
private JsonTesterResponse testJsonExtractor(String testString,
boolean flatten,
String listSeparator,
String keySeparator,
String kvSeparator,
boolean replaceKeyWhitespace,
String keyWhitespaceReplacement,
String keyPrefix) {
final Map config = ImmutableMap.builder()
.put("flatten", flatten)
.put("list_separator", listSeparator)
.put("key_separator", keySeparator)
.put("kv_separator", kvSeparator)
.put("replace_key_whitespace", replaceKeyWhitespace)
.put("key_whitespace_replacement", keyWhitespaceReplacement)
.put("key_prefix", keyPrefix)
.build();
final JsonExtractor extractor;
try {
extractor = new JsonExtractor(
new MetricRegistry(), "test", "Test", 0L, Extractor.CursorStrategy.COPY, "test", "test",
config, getCurrentUser().getName(), Collections.emptyList(), Extractor.ConditionType.NONE, ""
);
} catch (Extractor.ReservedFieldException e) {
throw new BadRequestException("Trying to overwrite a reserved message field", e);
} catch (ConfigurationException e) {
throw new BadRequestException("Invalid extractor configuration", e);
}
final Map result = extractor.extractJson(testString);
return JsonTesterResponse.create(result, flatten, listSeparator, keySeparator, kvSeparator, testString);
}
}