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[New] Added new i18n REST API

This commit is contained in:
Robert von Burg 2020-07-20 12:24:20 +02:00
parent ecb85a1502
commit 6bdf765673
2 changed files with 124 additions and 3 deletions
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7
li.strolch.rest/src/main/java/li/strolch/rest/StrolchRestfulClasses.java
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@ -20,9 +20,7 @@ import java.util.HashSet;
import java.util.Set;
import li.strolch.rest.endpoint.*;
import li.strolch.rest.filters.AccessControlResponseFilter;
import li.strolch.rest.filters.AuthenticationRequestFilter;
import li.strolch.rest.filters.AuthenticationResponseFilter;
import li.strolch.rest.filters.*;
/**
* @author Robert von Burg <eitch@eitchnet.ch>
@ -41,6 +39,7 @@ public class StrolchRestfulClasses {
restfulClasses.add(ReportResource.class);
restfulClasses.add(ControlResource.class);
restfulClasses.add(Inspector.class);
restfulClasses.add(I18nService.class);
restfulClasses.add(VersionQuery.class);
restfulClasses.add(ModelQuery.class);
restfulClasses.add(EnumQuery.class);
@ -58,6 +57,8 @@ public class StrolchRestfulClasses {
providerClasses.add(AccessControlResponseFilter.class);
providerClasses.add(AuthenticationRequestFilter.class);
providerClasses.add(AuthenticationResponseFilter.class);
providerClasses.add(CharsetResponseFilter.class);
providerClasses.add(HttpCacheResponseFilter.class);
StrolchRestfulClasses.restfulClasses = Collections.unmodifiableSet(restfulClasses);
StrolchRestfulClasses.providerClasses = Collections.unmodifiableSet(providerClasses);

120
li.strolch.rest/src/main/java/li/strolch/rest/endpoint/I18nService.java Normal file
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@ -0,0 +1,120 @@
package li.strolch.rest.endpoint;
import static li.strolch.model.StrolchModelConstants.ROLE_STROLCH_ADMIN;
import static li.strolch.rest.StrolchRestfulConstants.DATA;
import static li.strolch.rest.StrolchRestfulConstants.STROLCH_CERTIFICATE;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.*;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import li.strolch.persistence.api.Operation;
import li.strolch.privilege.model.Certificate;
import li.strolch.privilege.model.PrivilegeContext;
import li.strolch.privilege.model.SimpleRestrictable;
import li.strolch.rest.RestfulStrolchComponent;
import li.strolch.rest.helper.ResponseUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Path("i18n")
public class I18nService {
private static final Logger logger = LoggerFactory.getLogger(I18nService.class);
@GET
@Path("data")
@Produces(MediaType.TEXT_PLAIN)
public Response getI18nDataPlain(@Context HttpServletRequest request) {
Certificate cert = (Certificate) request.getAttribute(STROLCH_CERTIFICATE);
PrivilegeContext ctx = RestfulStrolchComponent.getInstance().validate(cert);
if (!ctx.hasRole(ROLE_STROLCH_ADMIN))
ctx.validateAction(new SimpleRestrictable("I18n", Operation.GET.getPrivilegePrefix()));
File webPath = new File(RestfulStrolchComponent.getInstance().getWebPath());
File i18nFile = new File(webPath, "/locales.json");
JsonObject i18nJ;
try (FileReader in = new FileReader(i18nFile)) {
i18nJ = new JsonParser().parse(in).getAsJsonObject();
} catch (IOException e) {
throw new IllegalStateException("Failed to read i18n file at " + i18nFile);
}
logger.info("Returning I18n data to user " + cert.getUsername());
String response = new GsonBuilder().setPrettyPrinting().create().toJson(i18nJ);
return Response.ok(response, MediaType.APPLICATION_JSON).build();
}
@GET
@Path("data")
@Produces(MediaType.APPLICATION_JSON)
public Response getI18nData(@Context HttpServletRequest request) {
Certificate cert = (Certificate) request.getAttribute(STROLCH_CERTIFICATE);
PrivilegeContext ctx = RestfulStrolchComponent.getInstance().validate(cert);
if (!ctx.hasRole(ROLE_STROLCH_ADMIN))
ctx.validateAction(new SimpleRestrictable("I18n", Operation.GET.getPrivilegePrefix()));
File webPath = new File(RestfulStrolchComponent.getInstance().getWebPath());
File i18nFile = new File(webPath, "/locales.json");
JsonObject i18nJ;
try (FileReader in = new FileReader(i18nFile)) {
i18nJ = new JsonParser().parse(in).getAsJsonObject();
} catch (IOException e) {
throw new IllegalStateException("Failed to read i18n file at " + i18nFile);
}
logger.info("Returning I18n data to user " + cert.getUsername());
return ResponseUtil.toResponse(DATA, i18nJ);
}
@PUT
@Path("data")
@Consumes(MediaType.APPLICATION_JSON)
public Response setI18nData(@Context HttpServletRequest request, String data) {
Certificate cert = (Certificate) request.getAttribute(STROLCH_CERTIFICATE);
PrivilegeContext ctx = RestfulStrolchComponent.getInstance().validate(cert);
if (!ctx.hasRole(ROLE_STROLCH_ADMIN))
ctx.validateAction(new SimpleRestrictable("I18n", Operation.UPDATE.getPrivilegePrefix()));
JsonObject i18nJ = new JsonParser().parse(data).getAsJsonObject();
File webPath = new File(RestfulStrolchComponent.getInstance().getWebPath());
File i18nFile = new File(webPath, "/locales.json");
File i18nBackupFile = new File(webPath, "/locales.json_" + System.currentTimeMillis());
if (i18nFile.exists() && !i18nFile.canWrite())
throw new IllegalStateException("Can not write to " + i18nFile);
if (i18nFile.exists() && !i18nFile.renameTo(i18nBackupFile))
throw new IllegalStateException("Failed to create backup of i18n file to " + i18nBackupFile);
logger.info("Overwriting I18n data by user " + cert.getUsername() + " to file " + i18nFile);
try (FileWriter out = new FileWriter(i18nFile)) {
new GsonBuilder().setPrettyPrinting().create().toJson(i18nJ, out);
} catch (IOException e) {
if (i18nBackupFile.exists()) {
if (i18nFile.exists() && !i18nFile.delete())
throw new IllegalStateException(
"Failed to restore backup after failing to write i18n file to " + i18nBackupFile, e);
if (!i18nBackupFile.renameTo(i18nFile))
throw new IllegalStateException(
"Failed to restore backup after failing to write i18n file to " + i18nBackupFile, e);
}
throw new IllegalStateException("Failed to write i18n file to " + i18nFile, e);
}
return ResponseUtil.toResponse();
}
}