return false;
}
// If we got the InRelease file via a mirror, pick all indexes directly from this mirror, too
- if (TransactionManager->BaseURI.empty() == false &&
+ if (TransactionManager->BaseURI.empty() == false && UsedMirror.empty() &&
URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
{
// this ensures we rewrite only once and only the first step
}
std::string pkgAcqDiffIndex::GetFinalFilename() const
{
- return GetFinalFileNameFromURI(GetDiffIndexURI(Target));
+ std::string const FinalFile = GetFinalFileNameFromURI(GetDiffIndexURI(Target));
+ // we don't want recompress, so lets keep whatever we got
+ if (CurrentCompressionExtension == "uncompressed")
+ return FinalFile;
+ return FinalFile + "." + CurrentCompressionExtension;
}
std::string pkgAcqIndex::GetFinalFilename() const
{
}
std::string pkgAcqDiffIndex::GetMetaKey() const
{
- return GetDiffIndexFileName(Target.MetaKey);
+ auto const metakey = GetDiffIndexFileName(Target.MetaKey);
+ if (CurrentCompressionExtension == "uncompressed")
+ return metakey;
+ return metakey + "." + CurrentCompressionExtension;
}
/*}}}*/
//pkgAcqTransactionItem::TransactionState and specialisations for child classes /*{{{*/
/*}}}*/
// Acquire::Item::Item - Constructor /*{{{*/
+class pkgAcquire::Item::Private
+{
+public:
+ std::vector<std::string> PastRedirections;
+};
APT_IGNORE_DEPRECATED_PUSH
pkgAcquire::Item::Item(pkgAcquire * const owner) :
FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false),
- QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(NULL)
+ QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(new Private())
{
Owner->Add(this);
Status = StatIdle;
pkgAcquire::Item::~Item()
{
Owner->Remove(this);
+ delete d;
}
/*}}}*/
std::string pkgAcquire::Item::Custom600Headers() const /*{{{*/
}
string const FailReason = LookupTag(Message, "FailReason");
- enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, WEAK_HASHSUMS, OTHER } failreason = OTHER;
+ enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, WEAK_HASHSUMS, REDIRECTION_LOOP, OTHER } failreason = OTHER;
if ( FailReason == "MaximumSizeExceeded")
failreason = MAXIMUM_SIZE_EXCEEDED;
else if ( FailReason == "WeakHashSums")
failreason = WEAK_HASHSUMS;
+ else if (FailReason == "RedirectionLoop")
+ failreason = REDIRECTION_LOOP;
else if (Status == StatAuthError)
failreason = HASHSUM_MISMATCH;
if(ErrorText.empty())
{
+ std::ostringstream out;
+ switch (failreason)
+ {
+ case HASHSUM_MISMATCH:
+ out << _("Hash Sum mismatch") << std::endl;
+ break;
+ case WEAK_HASHSUMS:
+ out << _("Insufficient information available to perform this download securely") << std::endl;
+ break;
+ case REDIRECTION_LOOP:
+ out << "Redirection loop encountered" << std::endl;
+ break;
+ case MAXIMUM_SIZE_EXCEEDED:
+ out << LookupTag(Message, "Message") << std::endl;
+ break;
+ case OTHER:
+ out << LookupTag(Message, "Message");
+ break;
+ }
+
if (Status == StatAuthError)
{
- std::ostringstream out;
- switch (failreason)
- {
- case HASHSUM_MISMATCH:
- out << _("Hash Sum mismatch") << std::endl;
- break;
- case WEAK_HASHSUMS:
- out << _("Insufficient information available to perform this download securely") << std::endl;
- break;
- case MAXIMUM_SIZE_EXCEEDED:
- case OTHER:
- out << LookupTag(Message, "Message") << std::endl;
- break;
- }
auto const ExpectedHashes = GetExpectedHashes();
if (ExpectedHashes.empty() == false)
{
}
out << "Last modification reported: " << LookupTag(Message, "Last-Modified", "<none>") << std::endl;
}
- ErrorText = out.str();
}
- else
- ErrorText = LookupTag(Message,"Message");
+ ErrorText = out.str();
}
switch (failreason)
case MAXIMUM_SIZE_EXCEEDED: RenameOnError(MaximumSizeExceeded); break;
case HASHSUM_MISMATCH: RenameOnError(HashSumMismatch); break;
case WEAK_HASHSUMS: break;
+ case REDIRECTION_LOOP: break;
case OTHER: break;
}
return hs != NULL ? hs->toStr() : "";
}
/*}}}*/
+bool pkgAcquire::Item::IsRedirectionLoop(std::string const &NewURI) /*{{{*/
+{
+ // store can fail due to permission errors and the item will "loop" then
+ if (APT::String::Startswith(NewURI, "store:"))
+ return false;
+ if (d->PastRedirections.empty())
+ {
+ d->PastRedirections.push_back(NewURI);
+ return false;
+ }
+ auto const LastURI = std::prev(d->PastRedirections.end());
+ // redirections to the same file are a way of restarting/resheduling,
+ // individual methods will have to make sure that they aren't looping this way
+ if (*LastURI == NewURI)
+ return false;
+ if (std::find(d->PastRedirections.begin(), LastURI, NewURI) != LastURI)
+ return true;
+ d->PastRedirections.push_back(NewURI);
+ return false;
+}
+ /*}}}*/
pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/
pkgAcqMetaClearSig * const transactionManager, IndexTarget const &target) :
if (I->UsedMirror.empty() == false && _config->FindB("Acquire::SameMirrorForAllIndexes", true))
{
if (APT::String::Endswith(I->Desc.URI, "InRelease"))
+ {
TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("InRelease"));
+ TransactionManager->UsedMirror = I->UsedMirror;
+ }
else if (APT::String::Endswith(I->Desc.URI, "Release"))
+ {
TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("Release"));
+ TransactionManager->UsedMirror = I->UsedMirror;
+ }
}
std::string const FileName = LookupTag(Message,"Filename");
pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL)
+ : pkgAcqIndex(Owner, TransactionManager, Target, true), d(NULL), diffs(NULL)
{
// FIXME: Magic number as an upper bound on pdiffs we will reasonably acquire
ExpectedAdditionalItems = 40;
-
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Desc.Owner = this;
- Desc.Description = GetDiffIndexFileName(Target.Description);
- Desc.ShortDesc = Target.ShortDesc;
- Desc.URI = GetDiffIndexURI(Target);
-
- DestFile = GetPartialFileNameFromURI(Desc.URI);
+ CompressionExtensions.clear();
+ {
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ if (types.empty() == false)
+ {
+ std::ostringstream os;
+ std::copy_if(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "), [&](std::string const type) {
+ if (type == "uncompressed")
+ return true;
+ return TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target.MetaKey) + '.' + type);
+ });
+ os << *types.rbegin();
+ CompressionExtensions = os.str();
+ }
+ }
+ if (Target.Option(IndexTarget::COMPRESSIONTYPES).find("by-hash") != std::string::npos)
+ CompressionExtensions = "by-hash " + CompressionExtensions;
+ Init(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Target.ShortDesc);
if(Debug)
std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
-
- QueueURI(Desc);
-}
- /*}}}*/
-// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
-// ---------------------------------------------------------------------
-/* The only header we use is the last-modified header. */
-string pkgAcqDiffIndex::Custom600Headers() const
-{
- if (TransactionManager->LastMetaIndexParser != NULL)
- return "\nIndex-File: true";
-
- string const Final = GetFinalFilename();
-
- if(Debug)
- std::clog << "Custom600Header-IMS: " << Final << std::endl;
-
- struct stat Buf;
- if (stat(Final.c_str(),&Buf) != 0)
- return "\nIndex-File: true";
-
- return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false);
}
/*}}}*/
void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/
std::clog << "pkgAcqDiffIndex::ParseIndexDiff() " << IndexDiffFile
<< std::endl;
- FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ FileFd Fd(IndexDiffFile, FileFd::ReadOnly, FileFd::Extension);
pkgTagFile TF(&Fd);
if (Fd.IsOpen() == false || Fd.Failed())
return false;
/*}}}*/
void pkgAcqDiffIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
{
- pkgAcqBaseIndex::Failed(Message,Cnf);
+ if (CommonFailed(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Message, Cnf))
+ return;
+
Status = StatDone;
ExpectedAdditionalItems = 0;
{
HashStringList const ExpectedHashes = (*I)->patch.patch_hashes;
for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs)
- patchhashes << "\nPatch-" << seen_patches << "-" << hs->HashType() << "-Hash: " << hs->HashValue();
+ patchhashes << "\nPatch-" << std::to_string(seen_patches) << "-" << hs->HashType() << "-Hash: " << hs->HashValue();
++seen_patches;
}
patchhashes << pkgAcqBaseIndex::Custom600Headers();
// AcqIndex::AcqIndex - Constructor /*{{{*/
pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target)
+ IndexTarget const &Target, bool const Derived)
: pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD),
CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES))
{
+ if (Derived)
+ return;
Init(Target.URI, Target.Description, Target.ShortDesc);
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
DestFile = GetPartialFileNameFromURI(URI);
NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, false);
- // store file size of the download to ensure the fetcher gives
- // accurate progress reporting
- FileSize = GetExpectedHashes().FileSize();
-
if (CurrentCompressionExtension == "uncompressed")
{
Desc.URI = URI;
Desc.URI = URI + '.' + CurrentCompressionExtension;
DestFile = DestFile + '.' + CurrentCompressionExtension;
}
+ else
+ Desc.URI = URI;
HashStringList const Hashes = GetExpectedHashes();
HashString const * const TargetHash = Hashes.find(NULL);
DestFile = DestFile + '.' + CurrentCompressionExtension;
}
+ // store file size of the download to ensure the fetcher gives
+ // accurate progress reporting
+ FileSize = GetExpectedHashes().FileSize();
Desc.Description = URIDesc;
Desc.Owner = this;
}
/*}}}*/
// AcqIndex::Failed - getting the indexfile failed /*{{{*/
-void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
+bool pkgAcqIndex::CommonFailed(std::string const &TargetURI, std::string const TargetDesc,
+ std::string const &Message, pkgAcquire::MethodConfig const * const Cnf)
{
pkgAcqBaseIndex::Failed(Message,Cnf);
+ if (UsedMirror.empty() == false && UsedMirror != "DIRECT" &&
+ LookupTag(Message, "FailReason") == "HttpError404")
+ {
+ UsedMirror = "DIRECT";
+ if (Desc.URI.find("/by-hash/") != std::string::npos)
+ CompressionExtensions = "by-hash " + CompressionExtensions;
+ else
+ CompressionExtensions = CurrentCompressionExtension + ' ' + CompressionExtensions;
+ Init(TargetURI, TargetDesc, Desc.ShortDesc);
+ Status = StatIdle;
+ return true;
+ }
+
// authorisation matches will not be fixed by other compression types
if (Status != StatAuthError)
{
if (CompressionExtensions.empty() == false)
{
- Init(Target.URI, Desc.Description, Desc.ShortDesc);
+ Init(TargetURI, Desc.Description, Desc.ShortDesc);
Status = StatIdle;
- return;
+ return true;
}
}
+ return false;
+}
+void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
+{
+ if (CommonFailed(Target.URI, Target.Description, Message, Cnf))
+ return;
if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD)
Status = StatDone;