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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 eu.siacs.conversations.http;
import android.util.Log;
import com.google.common.collect.ImmutableMap;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.DownloadableFile;
import eu.siacs.conversations.parser.IqParser;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.Jid;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
import okhttp3.Headers;
import okhttp3.HttpUrl;
public class SlotRequester {
private final 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, account.getDomain(), 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(HttpUrl.get(putUrl));
slot.getUrl = HttpUrl.get(getUrl);
slot.headers = Headers.of("Content-Type", mime == null ? "application/octet-stream" : mime);
callback.success(slot);
return;
}
} catch (IllegalArgumentException 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(HttpUrl.get(putUrl));
slot.getUrl = HttpUrl.get(getUrl);
final ImmutableMap.Builder<String,String> headers = new ImmutableMap.Builder<>();
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")) {
headers.put(name, value.trim());
}
}
}
headers.put("Content-Type", mime == null ? "application/octet-stream" : mime);
slot.headers = Headers.of(headers.build());
callback.success(slot);
return;
}
} catch (IllegalArgumentException 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) {
callback.failure("unable to request slot");
}
public interface OnSlotRequested {
void success(Slot slot);
void failure(String message);
}
public static class Slot {
private final HttpUrl putUrl;
private HttpUrl getUrl;
private Headers headers;
private Slot(HttpUrl putUrl) {
this.putUrl = putUrl;
}
public HttpUrl getPutUrl() {
return putUrl;
}
public HttpUrl getGetUrl() {
return getUrl;
}
public Headers getHeaders() {
return headers;
}
}
}
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