Files
ma1sd/src/main/java/io/kamax/mxisd/controller/v1/MappingController.java
2017-09-25 02:31:31 +02:00

131 lines
5.2 KiB
Java

/*
* mxisd - Matrix Identity Server Daemon
* Copyright (C) 2017 Maxime Dor
*
* https://max.kamax.io/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package io.kamax.mxisd.controller.v1;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import io.kamax.mxisd.controller.v1.io.SingeLookupReplyJson;
import io.kamax.mxisd.exception.InternalServerError;
import io.kamax.mxisd.lookup.*;
import io.kamax.mxisd.lookup.strategy.LookupStrategy;
import io.kamax.mxisd.signature.SignatureManager;
import io.kamax.mxisd.util.GsonParser;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import static org.springframework.web.bind.annotation.RequestMethod.GET;
import static org.springframework.web.bind.annotation.RequestMethod.POST;
@RestController
@CrossOrigin
@RequestMapping(path = IdentityAPIv1.BASE, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public class MappingController {
private Logger log = LoggerFactory.getLogger(MappingController.class);
private Gson gson = new Gson();
private GsonParser parser = new GsonParser(gson);
@Autowired
private LookupStrategy strategy;
@Autowired
private SignatureManager signMgr;
private void setRequesterInfo(ALookupRequest lookupReq, HttpServletRequest req) {
lookupReq.setRequester(req.getRemoteAddr());
String xff = req.getHeader("X-FORWARDED-FOR");
lookupReq.setRecursive(StringUtils.isNotBlank(xff));
if (lookupReq.isRecursive()) {
lookupReq.setRecurseHosts(Arrays.asList(xff.split(",")));
}
lookupReq.setUserAgent(req.getHeader("USER-AGENT"));
}
@RequestMapping(value = "/lookup", method = GET)
String lookup(HttpServletRequest request, @RequestParam String medium, @RequestParam String address) {
SingleLookupRequest lookupRequest = new SingleLookupRequest();
setRequesterInfo(lookupRequest, request);
lookupRequest.setType(medium);
lookupRequest.setThreePid(address);
log.info("Got single lookup request from {} with client {} - Is recursive? {}", lookupRequest.getRequester(), lookupRequest.getUserAgent(), lookupRequest.isRecursive());
Optional<SingleLookupReply> lookupOpt = strategy.find(lookupRequest);
if (!lookupOpt.isPresent()) {
log.info("No mapping was found, return empty JSON object");
return "{}";
}
SingleLookupReply lookup = lookupOpt.get();
if (lookup.isSigned()) {
log.info("Lookup is already signed, sending as-is");
return lookup.getBody();
} else {
log.info("Lookup is not signed, signing");
JsonObject obj = gson.toJsonTree(new SingeLookupReplyJson(lookup)).getAsJsonObject();
obj.add("signatures", signMgr.signMessageGson(gson.toJson(obj)));
return gson.toJson(obj);
}
}
@RequestMapping(value = "/bulk_lookup", method = POST)
String bulkLookup(HttpServletRequest request) {
BulkLookupRequest lookupRequest = new BulkLookupRequest();
setRequesterInfo(lookupRequest, request);
log.info("Got single lookup request from {} with client {} - Is recursive? {}", lookupRequest.getRequester(), lookupRequest.getUserAgent(), lookupRequest.isRecursive());
try {
ClientBulkLookupRequest input = parser.parse(request, ClientBulkLookupRequest.class);
List<ThreePidMapping> mappings = new ArrayList<>();
for (List<String> mappingRaw : input.getThreepids()) {
ThreePidMapping mapping = new ThreePidMapping();
mapping.setMedium(mappingRaw.get(0));
mapping.setValue(mappingRaw.get(1));
mappings.add(mapping);
}
lookupRequest.setMappings(mappings);
ClientBulkLookupAnswer answer = new ClientBulkLookupAnswer();
answer.addAll(strategy.find(lookupRequest));
return gson.toJson(answer);
} catch (IOException e) {
throw new InternalServerError(e);
}
}
}