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/*
* Copyright 2011-2015, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Oliver Tappe <zooey@hirschkaefer.de>
*/
#include <package/RefreshRepositoryRequest.h>
#include <Catalog.h>
#include <Directory.h>
#include <Path.h>
#include <JobQueue.h>
#include <package/ActivateRepositoryCacheJob.h>
#include <package/ChecksumAccessors.h>
#include <package/ValidateChecksumJob.h>
#include <package/RepositoryCache.h>
#include <package/RepositoryConfig.h>
#include <package/PackageRoster.h>
#include "FetchFileJob.h"
#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "RefreshRepositoryRequest"
namespace BPackageKit {
using namespace BPrivate;
BRefreshRepositoryRequest::BRefreshRepositoryRequest(const BContext& context,
const BRepositoryConfig& repoConfig)
:
inherited(context),
fRepoConfig(repoConfig)
{
}
BRefreshRepositoryRequest::~BRefreshRepositoryRequest()
{
}
status_t
BRefreshRepositoryRequest::CreateInitialJobs()
{
status_t result = InitCheck();
if (result != B_OK)
return B_NO_INIT;
if ((result = fRepoConfig.InitCheck()) != B_OK)
return result;
// fetch the current checksum and compare with our cache's checksum,
// if they differ, fetch the updated cache
result = fContext.GetNewTempfile("repochecksum-", &fFetchedChecksumFile);
if (result != B_OK)
return result;
BString repoChecksumURL
= BString(fRepoConfig.BaseURL()) << "/" << "repo.sha256";
BString title = B_TRANSLATE("Fetching repository checksum from %url");
title.ReplaceAll("%url", fRepoConfig.BaseURL());
FetchFileJob* fetchChecksumJob = new (std::nothrow) FetchFileJob(
fContext, title, repoChecksumURL, fFetchedChecksumFile);
if (fetchChecksumJob == NULL)
return B_NO_MEMORY;
if ((result = QueueJob(fetchChecksumJob)) != B_OK) {
delete fetchChecksumJob;
return result;
}
BRepositoryCache repoCache;
BPackageRoster roster;
// We purposely don't check this error, because this may be for a new repo,
// which doesn't have a cache file yet. The true passed to
// GeneralFileChecksumAccessor below will handle this case, and cause the
// repo data to be fetched and cached for the future in JobSucceeded below.
roster.GetRepositoryCache(fRepoConfig.Name(), &repoCache);
title = B_TRANSLATE("Validating checksum for %repositoryName");
title.ReplaceAll("%repositoryName", fRepoConfig.Name());
ValidateChecksumJob* validateChecksumJob
= new (std::nothrow) ValidateChecksumJob(fContext,
title,
new (std::nothrow) ChecksumFileChecksumAccessor(
fFetchedChecksumFile),
new (std::nothrow) GeneralFileChecksumAccessor(repoCache.Entry(),
true),
false);
if (validateChecksumJob == NULL)
return B_NO_MEMORY;
validateChecksumJob->AddDependency(fetchChecksumJob);
if ((result = QueueJob(validateChecksumJob)) != B_OK) {
delete validateChecksumJob;
return result;
}
fValidateChecksumJob = validateChecksumJob;
return B_OK;
}
void
BRefreshRepositoryRequest::JobSucceeded(BSupportKit::BJob* job)
{
if (job == fValidateChecksumJob
&& !fValidateChecksumJob->ChecksumsMatch()) {
// the remote repo cache has a different checksum, we fetch it
fValidateChecksumJob = NULL;
// don't re-trigger fetching if anything goes wrong, fail instead
_FetchRepositoryCache();
}
}
status_t
BRefreshRepositoryRequest::_FetchRepositoryCache()
{
// download repository cache and put it in either the common/user cache
// path, depending on where the corresponding repo-config lives
// job fetching the cache
BEntry tempRepoCache;
status_t result = fContext.GetNewTempfile("repocache-", &tempRepoCache);
if (result != B_OK)
return result;
BString repoCacheURL = BString(fRepoConfig.BaseURL()) << "/" << "repo";
BString title = B_TRANSLATE("Fetching repository-cache from %url");
title.ReplaceAll("%url", fRepoConfig.BaseURL());
FetchFileJob* fetchCacheJob = new (std::nothrow) FetchFileJob(fContext,
title, repoCacheURL, tempRepoCache);
if (fetchCacheJob == NULL)
return B_NO_MEMORY;
if ((result = QueueJob(fetchCacheJob)) != B_OK) {
delete fetchCacheJob;
return result;
}
// job validating the cache's checksum
title = B_TRANSLATE("Validating checksum for %repositoryName");
title.ReplaceAll("%repositoryName", fRepoConfig.Name());
ValidateChecksumJob* validateChecksumJob
= new (std::nothrow) ValidateChecksumJob(fContext,
title,
new (std::nothrow) ChecksumFileChecksumAccessor(
fFetchedChecksumFile),
new (std::nothrow) GeneralFileChecksumAccessor(tempRepoCache));
if (validateChecksumJob == NULL)
return B_NO_MEMORY;
validateChecksumJob->AddDependency(fetchCacheJob);
if ((result = QueueJob(validateChecksumJob)) != B_OK) {
delete validateChecksumJob;
return result;
}
// job activating the cache
BPath targetRepoCachePath;
BPackageRoster roster;
result = fRepoConfig.IsUserSpecific()
? roster.GetUserRepositoryCachePath(&targetRepoCachePath, true)
: roster.GetCommonRepositoryCachePath(&targetRepoCachePath, true);
if (result != B_OK)
return result;
BDirectory targetDirectory(targetRepoCachePath.Path());
ActivateRepositoryCacheJob* activateJob
= new (std::nothrow) ActivateRepositoryCacheJob(fContext,
BString("Activating repository cache for ") << fRepoConfig.Name(),
tempRepoCache, fRepoConfig.Name(), targetDirectory);
if (activateJob == NULL)
return B_NO_MEMORY;
activateJob->AddDependency(validateChecksumJob);
if ((result = QueueJob(activateJob)) != B_OK) {
delete activateJob;
return result;
}
return B_OK;
}
} // namespace BPackageKit
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