ninja.NinjaController Maven / Gradle / Ivy
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/*
* Made with all the love in the world
* by scireum in Remshalden, Germany
*
* Copyright by scireum GmbH
* http://www.scireum.de - [email protected]
*/
package ninja;
import com.google.common.collect.Maps;
import com.google.common.hash.HashCode;
import com.google.common.hash.Hashing;
import com.google.common.io.BaseEncoding;
import com.google.common.io.ByteStreams;
import com.google.common.io.Files;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpResponseStatus;
import sirius.kernel.commons.PriorityCollector;
import sirius.kernel.di.std.Part;
import sirius.kernel.di.std.Register;
import sirius.kernel.health.Exceptions;
import sirius.kernel.health.HandledException;
import sirius.web.controller.Controller;
import sirius.web.controller.Message;
import sirius.web.controller.Routed;
import sirius.web.http.MimeHelper;
import sirius.web.http.Response;
import sirius.web.http.WebContext;
import sirius.web.security.UserContext;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Takes care of the "management ui".
*
* Handles all requests required to render the web-pages.
*/
@Register
public class NinjaController implements Controller {
@Override
public void onError(WebContext ctx, HandledException error) {
if (error != null) {
UserContext.message(Message.error(error.getMessage()));
}
List buckets = Collections.emptyList();
try {
buckets = storage.getBuckets();
} catch (HandledException e) {
UserContext.message(Message.error(e.getMessage()));
}
ctx.respondWith()
.template("view/index.html",
buckets,
storage.getBasePath(),
storage.getAwsAccessKey(),
storage.getAwsSecretKey());
}
@Part
private Storage storage;
@Part
private APILog log;
/**
* Handles requests to /
*
* @param ctx the context describing the current request
*/
@Routed("/")
public void index(WebContext ctx) {
if (ctx.isPOST() && ctx.get("bucketName").isFilled()) {
storage.getBucket(ctx.get("bucketName").asString()).create();
UserContext.message(Message.info("Bucket successfully created."));
}
onError(ctx, null);
}
/**
* Handles requests to /ui/license
*
* @param ctx the context describing the current request
*/
@Routed(value = "/ui/license", priority = PriorityCollector.DEFAULT_PRIORITY - 1)
public void license(WebContext ctx) {
ctx.respondWith().template("view/license.html");
}
/**
* Handles requests to /ui/api
*
* @param ctx the context describing the current request
*/
@Routed(value = "/ui/api", priority = PriorityCollector.DEFAULT_PRIORITY - 1)
public void api(WebContext ctx) {
ctx.respondWith().template("view/api.html");
}
/**
* Handles requests to /ui/log
*
* @param ctx the context describing the current request
*/
@Routed(value = "/ui/log", priority = PriorityCollector.DEFAULT_PRIORITY - 1)
public void log(WebContext ctx) {
int start = ctx.get("start").asInt(1) - 1;
int pageSize = 50;
List entries = log.getEntries(start, pageSize + 1);
boolean canPagePrev = start > 0;
boolean canPageNext = entries.size() > pageSize;
if (canPageNext) {
entries.remove(entries.size() - 1);
}
ctx.respondWith()
.template("view/log.html",
entries,
canPagePrev,
canPageNext,
(start + 1) + " - " + (start + entries.size()),
Math.max(1, start - pageSize + 1),
start + pageSize + 1);
}
/**
* Handles requests to /ui/[bucketName]
*
* This will list the contents of the bucket.
*
*
* @param ctx the context describing the current request
* @param bucketName name of the bucket to show
*/
@Routed("/ui/:1")
public void bucket(WebContext ctx, String bucketName) {
Bucket bucket = storage.getBucket(bucketName);
ctx.respondWith().template("view/bucket.html", bucket);
}
/**
* Handles requests to /ui/[bucketName]/[object]
*
* This will start a download of the requested object. No access checks will be performed.
*
*
* @param ctx the context describing the current request
* @param bucketName name of the bucket to show
* @param id the name of the object to fetch
*/
@Routed("/ui/:1/:2")
public void object(WebContext ctx, String bucketName, String id) {
try {
Bucket bucket = storage.getBucket(bucketName);
if (!bucket.exists()) {
ctx.respondWith().error(HttpResponseStatus.NOT_FOUND, "Bucket does not exist");
return;
}
StoredObject object = bucket.getObject(id);
if (!object.exists()) {
ctx.respondWith().error(HttpResponseStatus.NOT_FOUND, "Object does not exist");
return;
}
Response response = ctx.respondWith();
for (Map.Entry entry : object.getProperties()) {
response.addHeader(entry.getKey().toString(), entry.getValue().toString());
}
response.file(object.getFile());
} catch (Exception e) {
ctx.respondWith().error(HttpResponseStatus.BAD_REQUEST, Exceptions.handle(UserContext.LOG, e));
}
}
/**
* Handles manual object uploads
*
* @param ctx the context describing the current request
* @param bucket the name of the target bucket
*/
@Routed(priority = PriorityCollector.DEFAULT_PRIORITY - 1, value = "/ui/:1/upload")
public void uploadFile(WebContext ctx, String bucket) {
try {
String name = ctx.get("filename").asString(ctx.get("qqfile").asString());
Bucket storageBucket = storage.getBucket(bucket);
StoredObject object = storageBucket.getObject(name);
try (InputStream inputStream = ctx.getContent()) {
try (FileOutputStream out = new FileOutputStream(object.getFile())) {
ByteStreams.copy(inputStream, out);
}
}
Map properties = Maps.newTreeMap();
properties.put(HttpHeaderNames.CONTENT_TYPE.toString(),
ctx.getHeaderValue(HttpHeaderNames.CONTENT_TYPE).asString(MimeHelper.guessMimeType(name)));
HashCode hash = Files.hash(object.getFile(), Hashing.md5());
String md5 = BaseEncoding.base64().encode(hash.asBytes());
properties.put("Content-MD5", md5);
object.storeProperties(properties);
ctx.respondWith().direct(HttpResponseStatus.OK, "{ success: true }");
} catch (IOException e) {
UserContext.handle(e);
ctx.respondWith().direct(HttpResponseStatus.OK, "{ success: false }");
}
}
/**
* Handles requests to /ui/[bucketName]/delete
*
* This will delete the given bucket and list the remaining.
*
*
* @param ctx the context describing the current request
* @param bucket name of the bucket to delete
*/
@Routed(priority = PriorityCollector.DEFAULT_PRIORITY - 1, value = "/ui/:1/delete")
public void deleteBucket(WebContext ctx, String bucket) {
storage.getBucket(bucket).delete();
UserContext.message(Message.info("Bucket successfully deleted."));
onError(ctx, null);
}
/**
* Handles requests to /ui/[bucketName]/[object]/delete
*
* This will delete the given object and list the remaining.
*
*
* @param ctx the context describing the current request
* @param bucketName name of the bucket which contains the object to delete
* @param id name of the object to delete
*/
@Routed("/ui/:1/:2/delete")
public void deleteObject(WebContext ctx, String bucketName, String id) {
Bucket bucket = storage.getBucket(bucketName);
if (bucket.exists()) {
StoredObject object = bucket.getObject(id);
if (object.exists()) {
object.delete();
UserContext.message(Message.info("Object successfully deleted."));
}
}
bucket(ctx, bucketName);
}
/**
* Handles requests to /ui/[bucketName]/makePublic
*
* This will make the given bucket public and list its contents.
*
*
* @param ctx the context describing the current request
* @param bucket name of the bucket to make public
*/
@Routed(priority = PriorityCollector.DEFAULT_PRIORITY - 1, value = "/ui/:1/makePublic")
public void makePublic(WebContext ctx, String bucket) {
Bucket storageBucket = storage.getBucket(bucket);
storageBucket.makePublic();
UserContext.message(Message.info("ACLs successfully changed"));
ctx.respondWith().template("view/bucket.html", storageBucket);
}
/**
* Handles requests to /ui/[bucketName]/makePrivate
*
* This will make the given bucket private and list its contents.
*
*
* @param ctx the context describing the current request
* @param bucket name of the bucket to make private
*/
@Routed(priority = PriorityCollector.DEFAULT_PRIORITY - 1, value = "/ui/:1/makePrivate")
public void makePrivate(WebContext ctx, String bucket) {
Bucket storageBucket = storage.getBucket(bucket);
storageBucket.makePrivate();
UserContext.message(Message.info("ACLs successfully changed"));
ctx.respondWith().template("view/bucket.html", storageBucket);
}
}