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/*
* Copyright (c) 2018, Daniel Gultsch All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package de.pixart.messenger.http;
import android.util.Log;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import de.pixart.messenger.Config;
import de.pixart.messenger.entities.Account;
import de.pixart.messenger.entities.DownloadableFile;
import de.pixart.messenger.parser.IqParser;
import de.pixart.messenger.services.XmppConnectionService;
import de.pixart.messenger.utils.Namespace;
import de.pixart.messenger.xml.Element;
import de.pixart.messenger.xmpp.stanzas.IqPacket;
import rocks.xmpp.addr.Jid;
public class SlotRequester {
private XmppConnectionService service;
public SlotRequester(XmppConnectionService service) {
this.service = service;
}
public void request(Method method, Account account, DownloadableFile file, String mime, String md5, OnSlotRequested callback) {
if (method == Method.HTTP_UPLOAD) {
Jid host = account.getXmppConnection().findDiscoItemByFeature(Namespace.HTTP_UPLOAD);
requestHttpUpload(account, host, file, mime, callback);
} else if (method == Method.HTTP_UPLOAD_LEGACY) {
Jid host = account.getXmppConnection().findDiscoItemByFeature(Namespace.HTTP_UPLOAD_LEGACY);
requestHttpUploadLegacy(account, host, file, mime, callback);
} else {
requestP1S3(account, Jid.of(account.getServer()), file.getName(), md5, callback);
}
}
private void requestHttpUploadLegacy(Account account, Jid host, DownloadableFile file, String mime, OnSlotRequested callback) {
IqPacket request = service.getIqGenerator().requestHttpUploadLegacySlot(host, file, mime);
service.sendIqPacket(account, request, (a, packet) -> {
if (packet.getType() == IqPacket.TYPE.RESULT) {
Element slotElement = packet.findChild("slot", Namespace.HTTP_UPLOAD_LEGACY);
if (slotElement != null) {
try {
final String putUrl = slotElement.findChildContent("put");
final String getUrl = slotElement.findChildContent("get");
if (getUrl != null && putUrl != null) {
Slot slot = new Slot(new URL(putUrl));
slot.getUrl = new URL(getUrl);
slot.headers = new HashMap<>();
slot.headers.put("Content-Type", mime == null ? "application/octet-stream" : mime);
callback.success(slot);
return;
}
} catch (MalformedURLException e) {
//fall through
}
}
}
Log.d(Config.LOGTAG, account.getJid().toString() + ": invalid response to slot request " + packet);
callback.failure(IqParser.extractErrorMessage(packet));
});
}
private void requestHttpUpload(Account account, Jid host, DownloadableFile file, String mime, OnSlotRequested callback) {
IqPacket request = service.getIqGenerator().requestHttpUploadSlot(host, file, mime);
service.sendIqPacket(account, request, (a, packet) -> {
if (packet.getType() == IqPacket.TYPE.RESULT) {
Element slotElement = packet.findChild("slot", Namespace.HTTP_UPLOAD);
if (slotElement != null) {
try {
final Element put = slotElement.findChild("put");
final Element get = slotElement.findChild("get");
final String putUrl = put == null ? null : put.getAttribute("url");
final String getUrl = get == null ? null : get.getAttribute("url");
if (getUrl != null && putUrl != null) {
Slot slot = new Slot(new URL(putUrl));
slot.getUrl = new URL(getUrl);
slot.headers = new HashMap<>();
for (Element child : put.getChildren()) {
if ("header".equals(child.getName())) {
final String name = child.getAttribute("name");
final String value = child.getContent();
if (HttpUploadConnection.WHITE_LISTED_HEADERS.contains(name) && value != null && !value.trim().contains("\n")) {
slot.headers.put(name, value.trim());
}
}
}
slot.headers.put("Content-Type", mime == null ? "application/octet-stream" : mime);
callback.success(slot);
return;
}
} catch (MalformedURLException e) {
//fall through
}
}
}
Log.d(Config.LOGTAG, account.getJid().toString() + ": invalid response to slot request " + packet);
callback.failure(IqParser.extractErrorMessage(packet));
});
}
private void requestP1S3(final Account account, Jid host, String filename, String md5, OnSlotRequested callback) {
IqPacket request = service.getIqGenerator().requestP1S3Slot(host, md5);
service.sendIqPacket(account, request, (a, packet) -> {
if (packet.getType() == IqPacket.TYPE.RESULT) {
String putUrl = packet.query(Namespace.P1_S3_FILE_TRANSFER).getAttribute("upload");
String id = packet.query().getAttribute("fileid");
try {
if (putUrl != null && id != null) {
Slot slot = new Slot(new URL(putUrl));
slot.getUrl = P1S3UrlStreamHandler.of(id, filename);
slot.headers = new HashMap<>();
slot.headers.put("Content-MD5", md5);
slot.headers.put("Content-Type", " "); //required to force it to empty. otherwise library will set something
callback.success(slot);
return;
}
} catch (MalformedURLException e) {
//fall through;
}
}
callback.failure("unable to request slot");
});
Log.d(Config.LOGTAG, "requesting slot with p1. md5=" + md5);
}
public interface OnSlotRequested {
void success(Slot slot);
void failure(String message);
}
public static class Slot {
private final URL putUrl;
private URL getUrl;
private HashMap<String, String> headers;
private Slot(URL putUrl) {
this.putUrl = putUrl;
}
public URL getPutUrl() {
return putUrl;
}
public URL getGetUrl() {
return getUrl;
}
public HashMap<String, String> getHeaders() {
return headers;
}
}
}
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