315 lines
8.1 KiB
C++
315 lines
8.1 KiB
C++
#include "GoUpdate.h"
|
|
#include <pathutils.h>
|
|
#include <QDebug>
|
|
#include <QDomDocument>
|
|
#include <QFile>
|
|
#include <Env.h>
|
|
|
|
namespace GoUpdate
|
|
{
|
|
|
|
bool parseVersionInfo(const QByteArray &data, VersionFileList &list, QString &error)
|
|
{
|
|
QJsonParseError jsonError;
|
|
QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
|
|
if (jsonError.error != QJsonParseError::NoError)
|
|
{
|
|
error = QString("Failed to parse version info JSON: %1 at %2")
|
|
.arg(jsonError.errorString())
|
|
.arg(jsonError.offset);
|
|
qCritical() << error;
|
|
return false;
|
|
}
|
|
|
|
QJsonObject json = jsonDoc.object();
|
|
|
|
qDebug() << data;
|
|
qDebug() << "Loading version info from JSON.";
|
|
QJsonArray filesArray = json.value("Files").toArray();
|
|
for (QJsonValue fileValue : filesArray)
|
|
{
|
|
QJsonObject fileObj = fileValue.toObject();
|
|
|
|
QString file_path = fileObj.value("Path").toString();
|
|
#ifdef Q_OS_MAC
|
|
// On OSX, the paths for the updater need to be fixed.
|
|
// basically, anything that isn't in the .app folder is ignored.
|
|
// everything else is changed so the code that processes the files actually finds
|
|
// them and puts the replacements in the right spots.
|
|
if (!fixPathForOSX(file_path))
|
|
continue;
|
|
#endif
|
|
VersionFileEntry file{file_path, fileObj.value("Perms").toVariant().toInt(),
|
|
FileSourceList(), fileObj.value("MD5").toString(), };
|
|
qDebug() << "File" << file.path << "with perms" << file.mode;
|
|
|
|
QJsonArray sourceArray = fileObj.value("Sources").toArray();
|
|
for (QJsonValue val : sourceArray)
|
|
{
|
|
QJsonObject sourceObj = val.toObject();
|
|
|
|
QString type = sourceObj.value("SourceType").toString();
|
|
if (type == "http")
|
|
{
|
|
file.sources.append(FileSource("http", sourceObj.value("Url").toString()));
|
|
}
|
|
else
|
|
{
|
|
qWarning() << "Unknown source type" << type << "ignored.";
|
|
}
|
|
}
|
|
|
|
qDebug() << "Loaded info for" << file.path;
|
|
|
|
list.append(file);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool processFileLists
|
|
(
|
|
const VersionFileList ¤tVersion,
|
|
const VersionFileList &newVersion,
|
|
const QString &rootPath,
|
|
const QString &tempPath,
|
|
NetJobPtr job,
|
|
OperationList &ops,
|
|
bool useLocalUpdater
|
|
)
|
|
{
|
|
// First, if we've loaded the current version's file list, we need to iterate through it and
|
|
// delete anything in the current one version's list that isn't in the new version's list.
|
|
for (VersionFileEntry entry : currentVersion)
|
|
{
|
|
QFileInfo toDelete(PathCombine(rootPath, entry.path));
|
|
if (!toDelete.exists())
|
|
{
|
|
qCritical() << "Expected file " << toDelete.absoluteFilePath()
|
|
<< " doesn't exist!";
|
|
}
|
|
bool keep = false;
|
|
|
|
//
|
|
for (VersionFileEntry newEntry : newVersion)
|
|
{
|
|
if (newEntry.path == entry.path)
|
|
{
|
|
qDebug() << "Not deleting" << entry.path
|
|
<< "because it is still present in the new version.";
|
|
keep = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If the loop reaches the end and we didn't find a match, delete the file.
|
|
if (!keep)
|
|
{
|
|
if (toDelete.exists())
|
|
ops.append(Operation::DeleteOp(entry.path));
|
|
}
|
|
}
|
|
|
|
// Next, check each file in MultiMC's folder and see if we need to update them.
|
|
for (VersionFileEntry entry : newVersion)
|
|
{
|
|
// TODO: Let's not MD5sum a ton of files on the GUI thread. We should probably find a
|
|
// way to do this in the background.
|
|
QString fileMD5;
|
|
QString realEntryPath = PathCombine(rootPath, entry.path);
|
|
QFile entryFile(realEntryPath);
|
|
QFileInfo entryInfo(realEntryPath);
|
|
|
|
bool needs_upgrade = false;
|
|
if (!entryFile.exists())
|
|
{
|
|
needs_upgrade = true;
|
|
}
|
|
else
|
|
{
|
|
bool pass = true;
|
|
if (!entryInfo.isReadable())
|
|
{
|
|
qCritical() << "File " << realEntryPath << " is not readable.";
|
|
pass = false;
|
|
}
|
|
if (!entryInfo.isWritable())
|
|
{
|
|
qCritical() << "File " << realEntryPath << " is not writable.";
|
|
pass = false;
|
|
}
|
|
if (!entryFile.open(QFile::ReadOnly))
|
|
{
|
|
qCritical() << "File " << realEntryPath << " cannot be opened for reading.";
|
|
pass = false;
|
|
}
|
|
if (!pass)
|
|
{
|
|
ops.clear();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if(!needs_upgrade)
|
|
{
|
|
QCryptographicHash hash(QCryptographicHash::Md5);
|
|
auto foo = entryFile.readAll();
|
|
|
|
hash.addData(foo);
|
|
fileMD5 = hash.result().toHex();
|
|
if ((fileMD5 != entry.md5))
|
|
{
|
|
qDebug() << "MD5Sum does not match!";
|
|
qDebug() << "Expected:'" << entry.md5 << "'";
|
|
qDebug() << "Got: '" << fileMD5 << "'";
|
|
needs_upgrade = true;
|
|
}
|
|
}
|
|
|
|
// skip file. it doesn't need an upgrade.
|
|
if (!needs_upgrade)
|
|
{
|
|
qDebug() << "File" << realEntryPath << " does not need updating.";
|
|
continue;
|
|
}
|
|
|
|
// yep. this file actually needs an upgrade. PROCEED.
|
|
qDebug() << "Found file" << realEntryPath << " that needs updating.";
|
|
|
|
// if it's the updater we want to treat it separately
|
|
bool isUpdater = entry.path.endsWith("updater") || entry.path.endsWith("updater.exe");
|
|
|
|
// Go through the sources list and find one to use.
|
|
// TODO: Make a NetAction that takes a source list and tries each of them until one
|
|
// works. For now, we'll just use the first http one.
|
|
for (FileSource source : entry.sources)
|
|
{
|
|
if (source.type != "http")
|
|
continue;
|
|
|
|
qDebug() << "Will download" << entry.path << "from" << source.url;
|
|
|
|
// Download it to updatedir/<filepath>-<md5> where filepath is the file's
|
|
// path with slashes replaced by underscores.
|
|
QString dlPath = PathCombine(tempPath, QString(entry.path).replace("/", "_"));
|
|
|
|
if (isUpdater)
|
|
{
|
|
if(useLocalUpdater)
|
|
{
|
|
qDebug() << "Skipping updater download and using local version.";
|
|
}
|
|
else
|
|
{
|
|
auto cache_entry = ENV.metacache()->resolveEntry("root", entry.path);
|
|
qDebug() << "Updater will be in " << cache_entry->getFullPath();
|
|
// force check.
|
|
cache_entry->stale = true;
|
|
|
|
auto download = CacheDownload::make(QUrl(source.url), cache_entry);
|
|
job->addNetAction(download);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// We need to download the file to the updatefiles folder and add a task
|
|
// to copy it to its install path.
|
|
auto download = MD5EtagDownload::make(source.url, dlPath);
|
|
download->m_expected_md5 = entry.md5;
|
|
job->addNetAction(download);
|
|
ops.append(Operation::CopyOp(dlPath, entry.path, entry.mode));
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool fixPathForOSX(QString &path)
|
|
{
|
|
if (path.startsWith("MultiMC.app/"))
|
|
{
|
|
// remove the prefix and add a new, more appropriate one.
|
|
path.remove(0, 12);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
qCritical() << "Update path not within .app: " << path;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool writeInstallScript(OperationList &opsList, QString scriptFile)
|
|
{
|
|
// Build the base structure of the XML document.
|
|
QDomDocument doc;
|
|
|
|
QDomElement root = doc.createElement("update");
|
|
root.setAttribute("version", "3");
|
|
doc.appendChild(root);
|
|
|
|
QDomElement installFiles = doc.createElement("install");
|
|
root.appendChild(installFiles);
|
|
|
|
QDomElement removeFiles = doc.createElement("uninstall");
|
|
root.appendChild(removeFiles);
|
|
|
|
// Write the operation list to the XML document.
|
|
for (Operation op : opsList)
|
|
{
|
|
QDomElement file = doc.createElement("file");
|
|
|
|
switch (op.type)
|
|
{
|
|
case Operation::OP_COPY:
|
|
{
|
|
// Install the file.
|
|
QDomElement name = doc.createElement("source");
|
|
QDomElement path = doc.createElement("dest");
|
|
QDomElement mode = doc.createElement("mode");
|
|
name.appendChild(doc.createTextNode(op.file));
|
|
path.appendChild(doc.createTextNode(op.dest));
|
|
// We need to add a 0 at the beginning here, because Qt doesn't convert to octal
|
|
// correctly.
|
|
mode.appendChild(doc.createTextNode("0" + QString::number(op.mode, 8)));
|
|
file.appendChild(name);
|
|
file.appendChild(path);
|
|
file.appendChild(mode);
|
|
installFiles.appendChild(file);
|
|
qDebug() << "Will install file " << op.file << " to " << op.dest;
|
|
}
|
|
break;
|
|
|
|
case Operation::OP_DELETE:
|
|
{
|
|
// Delete the file.
|
|
file.appendChild(doc.createTextNode(op.file));
|
|
removeFiles.appendChild(file);
|
|
qDebug() << "Will remove file" << op.file;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
qWarning() << "Can't write update operation of type" << op.type
|
|
<< "to file. Not implemented.";
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Write the XML document to the file.
|
|
QFile outFile(scriptFile);
|
|
|
|
if (outFile.open(QIODevice::WriteOnly))
|
|
{
|
|
outFile.write(doc.toByteArray());
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
} |