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-rw-r--r--libraries/logic/minecraft/forge/ForgeXzDownload.cpp358
1 files changed, 0 insertions, 358 deletions
diff --git a/libraries/logic/minecraft/forge/ForgeXzDownload.cpp b/libraries/logic/minecraft/forge/ForgeXzDownload.cpp
deleted file mode 100644
index adf96552..00000000
--- a/libraries/logic/minecraft/forge/ForgeXzDownload.cpp
+++ /dev/null
@@ -1,358 +0,0 @@
-/* Copyright 2013-2015 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "Env.h"
-#include "ForgeXzDownload.h"
-#include <FileSystem.h>
-
-#include <QCryptographicHash>
-#include <QFileInfo>
-#include <QDateTime>
-#include <QDir>
-#include <QDebug>
-
-ForgeXzDownload::ForgeXzDownload(QString relative_path, MetaEntryPtr entry) : NetAction()
-{
- m_entry = entry;
- m_target_path = entry->getFullPath();
- m_pack200_xz_file.setFileTemplate("./dl_temp.XXXXXX");
- m_status = Job_NotStarted;
- m_url_path = relative_path;
- m_url = "http://files.minecraftforge.net/maven/" + m_url_path + ".pack.xz";
-}
-
-void ForgeXzDownload::start()
-{
- m_status = Job_InProgress;
- if (!m_entry->isStale())
- {
- m_status = Job_Finished;
- emit succeeded(m_index_within_job);
- return;
- }
- // can we actually create the real, final file?
- if (!FS::ensureFilePathExists(m_target_path))
- {
- m_status = Job_Failed;
- emit failed(m_index_within_job);
- return;
- }
-
- qDebug() << "Downloading " << m_url.toString();
- QNetworkRequest request(m_url);
- request.setRawHeader(QString("If-None-Match").toLatin1(), m_entry->getETag().toLatin1());
- request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Cached)");
-
- auto worker = ENV.qnam();
- QNetworkReply *rep = worker->get(request);
-
- m_reply.reset(rep);
- connect(rep, SIGNAL(downloadProgress(qint64, qint64)),
- SLOT(downloadProgress(qint64, qint64)));
- connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
- connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
- SLOT(downloadError(QNetworkReply::NetworkError)));
- connect(rep, SIGNAL(readyRead()), SLOT(downloadReadyRead()));
-}
-
-void ForgeXzDownload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
-{
- m_total_progress = bytesTotal;
- m_progress = bytesReceived;
- emit netActionProgress(m_index_within_job, bytesReceived, bytesTotal);
-}
-
-void ForgeXzDownload::downloadError(QNetworkReply::NetworkError error)
-{
- // error happened during download.
- // TODO: log the reason why
- m_status = Job_Failed;
-}
-
-void ForgeXzDownload::failAndTryNextMirror()
-{
- m_status = Job_Failed;
- emit failed(m_index_within_job);
-}
-
-void ForgeXzDownload::downloadFinished()
-{
- // if the download succeeded
- if (m_status != Job_Failed)
- {
- // nothing went wrong...
- m_status = Job_Finished;
- if (m_pack200_xz_file.isOpen())
- {
- // we actually downloaded something! process and isntall it
- decompressAndInstall();
- return;
- }
- else
- {
- // something bad happened -- on the local machine!
- m_status = Job_Failed;
- m_pack200_xz_file.remove();
- m_reply.reset();
- emit failed(m_index_within_job);
- return;
- }
- }
- // else the download failed
- else
- {
- m_status = Job_Failed;
- m_pack200_xz_file.close();
- m_pack200_xz_file.remove();
- m_reply.reset();
- failAndTryNextMirror();
- return;
- }
-}
-
-void ForgeXzDownload::downloadReadyRead()
-{
-
- if (!m_pack200_xz_file.isOpen())
- {
- if (!m_pack200_xz_file.open())
- {
- /*
- * Can't open the file... the job failed
- */
- m_reply->abort();
- emit failed(m_index_within_job);
- return;
- }
- }
- m_pack200_xz_file.write(m_reply->readAll());
-}
-
-#include "xz.h"
-#include "unpack200.h"
-#include <stdexcept>
-#include <unistd.h>
-
-const size_t buffer_size = 8196;
-
-void ForgeXzDownload::decompressAndInstall()
-{
- // rewind the downloaded temp file
- m_pack200_xz_file.seek(0);
- // de-xz'd file
- QTemporaryFile pack200_file("./dl_temp.XXXXXX");
- pack200_file.open();
-
- bool xz_success = false;
- // first, de-xz
- {
- uint8_t in[buffer_size];
- uint8_t out[buffer_size];
- struct xz_buf b;
- struct xz_dec *s;
- enum xz_ret ret;
- xz_crc32_init();
- xz_crc64_init();
- s = xz_dec_init(XZ_DYNALLOC, 1 << 26);
- if (s == nullptr)
- {
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
- }
- b.in = in;
- b.in_pos = 0;
- b.in_size = 0;
- b.out = out;
- b.out_pos = 0;
- b.out_size = buffer_size;
- while (!xz_success)
- {
- if (b.in_pos == b.in_size)
- {
- b.in_size = m_pack200_xz_file.read((char *)in, sizeof(in));
- b.in_pos = 0;
- }
-
- ret = xz_dec_run(s, &b);
-
- if (b.out_pos == sizeof(out))
- {
- if (pack200_file.write((char *)out, b.out_pos) != b.out_pos)
- {
- // msg = "Write error\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
- }
-
- b.out_pos = 0;
- }
-
- if (ret == XZ_OK)
- continue;
-
- if (ret == XZ_UNSUPPORTED_CHECK)
- {
- // unsupported check. this is OK, but we should log this
- continue;
- }
-
- if (pack200_file.write((char *)out, b.out_pos) != b.out_pos)
- {
- // write error
- pack200_file.close();
- xz_dec_end(s);
- return;
- }
-
- switch (ret)
- {
- case XZ_STREAM_END:
- xz_dec_end(s);
- xz_success = true;
- break;
-
- case XZ_MEM_ERROR:
- qCritical() << "Memory allocation failed\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
-
- case XZ_MEMLIMIT_ERROR:
- qCritical() << "Memory usage limit reached\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
-
- case XZ_FORMAT_ERROR:
- qCritical() << "Not a .xz file\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
-
- case XZ_OPTIONS_ERROR:
- qCritical() << "Unsupported options in the .xz headers\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
-
- case XZ_DATA_ERROR:
- case XZ_BUF_ERROR:
- qCritical() << "File is corrupt\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
-
- default:
- qCritical() << "Bug!\n";
- xz_dec_end(s);
- failAndTryNextMirror();
- return;
- }
- }
- }
- m_pack200_xz_file.remove();
-
- // revert pack200
- pack200_file.seek(0);
- int handle_in = pack200_file.handle();
- // FIXME: dispose of file handles, pointers and the like. Ideally wrap in objects.
- if(handle_in == -1)
- {
- qCritical() << "Error reopening " << pack200_file.fileName();
- failAndTryNextMirror();
- return;
- }
- int handle_in_dup = dup (handle_in);
- if(handle_in_dup == -1)
- {
- qCritical() << "Error reopening " << pack200_file.fileName();
- failAndTryNextMirror();
- return;
- }
- FILE *file_in = fdopen (handle_in_dup, "rb");
- if(!file_in)
- {
- qCritical() << "Error reopening " << pack200_file.fileName();
- failAndTryNextMirror();
- return;
- }
- QFile qfile_out(m_target_path);
- if(!qfile_out.open(QIODevice::WriteOnly))
- {
- qCritical() << "Error opening " << qfile_out.fileName();
- failAndTryNextMirror();
- return;
- }
- int handle_out = qfile_out.handle();
- if(handle_out == -1)
- {
- qCritical() << "Error opening " << qfile_out.fileName();
- failAndTryNextMirror();
- return;
- }
- int handle_out_dup = dup (handle_out);
- if(handle_out_dup == -1)
- {
- qCritical() << "Error reopening " << qfile_out.fileName();
- failAndTryNextMirror();
- return;
- }
- FILE *file_out = fdopen (handle_out_dup, "wb");
- if(!file_out)
- {
- qCritical() << "Error opening " << qfile_out.fileName();
- failAndTryNextMirror();
- return;
- }
- try
- {
- // NOTE: this takes ownership of both FILE pointers. That's why we duplicate them above.
- unpack_200(file_in, file_out);
- }
- catch (std::runtime_error &err)
- {
- m_status = Job_Failed;
- qCritical() << "Error unpacking " << pack200_file.fileName() << " : " << err.what();
- QFile f(m_target_path);
- if (f.exists())
- f.remove();
- failAndTryNextMirror();
- return;
- }
- pack200_file.remove();
-
- QFile jar_file(m_target_path);
-
- if (!jar_file.open(QIODevice::ReadOnly))
- {
- jar_file.remove();
- failAndTryNextMirror();
- return;
- }
- auto hash = QCryptographicHash::hash(jar_file.readAll(), QCryptographicHash::Md5);
- m_entry->setMD5Sum(hash.toHex().constData());
- jar_file.close();
-
- QFileInfo output_file_info(m_target_path);
- m_entry->setETag(m_reply->rawHeader("ETag").constData());
- m_entry->setLocalChangedTimestamp(output_file_info.lastModified().toUTC().toMSecsSinceEpoch());
- m_entry->setStale(false);
- ENV.metacache()->updateEntry(m_entry);
-
- m_reply.reset();
- emit succeeded(m_index_within_job);
-}