*/
class pkgAcquire::Item : public WeakPointable
{
+ friend class pkgAcqMetaBase;
+
void *d;
protected:
* \param Item Metadata about this item (its URI and
* description).
*/
- inline void QueueURI(ItemDesc &Item)
- {Owner->Enqueue(Item);};
+ void QueueURI(ItemDesc &Item);
/** \brief Remove this item from its owner's queue. */
- inline void Dequeue() {Owner->Dequeue(this);};
-
+ void Dequeue();
+
/** \brief Rename a file without modifying its timestamp.
*
* Many item methods call this as their final action.
/** \return \b true if this object is being fetched from a trusted source. */
virtual bool IsTrusted() const {return false;};
- // report mirror problems
/** \brief Report mirror problem
*
* This allows reporting mirror failures back to a centralized
*/
void ReportMirrorFailure(std::string FailCode);
+ /** \brief Set the name of the current active subprocess
+ *
+ * See also #ActiveSubprocess
+ */
+ void SetActiveSubprocess(const std::string &subprocess);
/** \brief Initialize an item.
*
InvalidFormat,
SignatureError,
NotClearsigned,
+ MaximumSizeExceeded
};
/** \brief Rename failed file and set error
/** The filename of the diff. */
std::string file;
- /** The sha1 hash of the diff. */
- std::string sha1;
+ /** The hashes of the diff */
+ HashStringList result_hashes;
+
+ /** The hashes of the file after the diff is applied */
+ HashStringList patch_hashes;
- /** The size of the diff. */
- unsigned long size;
+ /** The size of the file after the diff is applied */
+ unsigned long long result_size;
+
+ /** The size of the diff itself */
+ unsigned long long patch_size;
};
/*}}}*/
/*}}}*/
protected:
std::vector<Item*> Transaction;
+ /** \brief A package-system-specific parser for the meta-index file. */
+ indexRecords *MetaIndexParser;
+
+ /** \brief The index files which should be looked up in the meta-index
+ * and then downloaded.
+ */
+ const std::vector<IndexTarget*>* IndexTargets;
+
+ /** \brief If \b true, the index's signature is currently being verified.
+ */
+ bool AuthPass;
+
+ // required to deal gracefully with problems caused by incorrect ims hits
+ bool IMSHit;
+
+ /** \brief Starts downloading the individual index files.
+ *
+ * \param verify If \b true, only indices whose expected hashsum
+ * can be determined from the meta-index will be downloaded, and
+ * the hashsums of indices will be checked (reporting
+ * #StatAuthError if there is a mismatch). If verify is \b false,
+ * no hashsum checking will be performed.
+ */
+ void QueueIndexes(bool verify);
+
+ /** \brief Called when a file is finished being retrieved.
+ *
+ * If the file was not downloaded to DestFile, a copy process is
+ * set up to copy it to DestFile; otherwise, Complete is set to \b
+ * true and the file is moved to its final location.
+ *
+ * \param Message The message block received from the fetch
+ * subprocess.
+ */
+ bool CheckDownloadDone(const std::string &Message,
+ const std::string &RealURI);
+
+ /** \brief Queue the downloaded Signature for verification */
+ void QueueForSignatureVerify(const std::string &MetaIndexFile,
+ const std::string &MetaIndexFileSignature);
+
+ /** \brief get the custom600 header for all pkgAcqMeta */
+ std::string GetCustom600Headers(const std::string &RealURI) const;
+
+ /** \brief Called when authentication succeeded.
+ *
+ * Sanity-checks the authenticated file, queues up the individual
+ * index files for download, and saves the signature in the lists
+ * directory next to the authenticated list file.
+ *
+ * \param Message The message block received from the fetch
+ * subprocess.
+ */
+ bool CheckAuthDone(std::string Message, const std::string &RealURI);
+
+ /** Check if the current item should fail at this point */
+ bool CheckStopAuthentication(const std::string &RealURI,
+ const std::string &Message);
+
+ /** \brief Check that the release file is a release file for the
+ * correct distribution.
+ *
+ * \return \b true if no fatal errors were encountered.
+ */
+ bool VerifyVendor(std::string Message, const std::string &RealURI);
+
public:
// transaction code
void Add(Item *I);
bool TransactionHasError() APT_PURE;
void CommitTransaction();
- // helper for the signature warning
- bool GenerateAuthWarning(const std::string &RealURI,
- const std::string &Message);
-
+ /** \brief Stage (queue) a copy action when the transaction is commited
+ */
+ void TransactionStageCopy(Item *I,
+ const std::string &From,
+ const std::string &To);
+ /** \brief Stage (queue) a removal action when the transaction is commited
+ */
+ void TransactionStageRemoval(Item *I, const std::string &FinalFile);
pkgAcqMetaBase(pkgAcquire *Owner,
+ const std::vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser,
HashStringList const &ExpectedHashes=HashStringList(),
pkgAcqMetaBase *TransactionManager=NULL)
- : Item(Owner, ExpectedHashes, TransactionManager) {};
+ : Item(Owner, ExpectedHashes, TransactionManager),
+ MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets),
+ AuthPass(false), IMSHit(false) {};
};
/** \brief An acquire item that downloads the detached signature {{{
*/
std::string RealURI;
- std::string URIDesc;
- std::string ShortDesc;
-
- /** \brief A package-system-specific parser for the meta-index file. */
- indexRecords* MetaIndexParser;
-
/** \brief The file we need to verify */
std::string MetaIndexFile;
- /** \brief The index files which should be looked up in the meta-index
- * and then downloaded.
- *
- * \todo Why a list of pointers instead of a list of structs?
- */
- const std::vector<IndexTarget*>* IndexTargets;
+ /** \brief The file we use to verify the MetaIndexFile with */
+ std::string MetaIndexFileSignature;
- /** \brief If we are in fetching or download state */
- bool AuthPass;
+ /** \brief Long URI description used in the acquire system */
+ std::string URIDesc;
- /** \brief Was this file already on disk */
- bool IMSHit;
+ /** \brief Short URI description used in the acquire system */
+ std::string ShortDesc;
public:
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
+ virtual void Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
virtual std::string Custom600Headers() const;
virtual std::string DescURI() {return RealURI; };
*/
std::string RealURI;
- /** \brief The file in which the signature for this index was stored.
- *
- * If empty, the signature and the md5sums of the individual
- * indices will not be checked.
- */
- std::string SigFile;
-
- /** \brief The index files to download. */
- const std::vector<IndexTarget*>* IndexTargets;
-
- /** \brief The parser for the meta-index file. */
- indexRecords* MetaIndexParser;
-
- /** \brief If \b true, the index's signature is currently being verified.
- */
- bool AuthPass;
- // required to deal gracefully with problems caused by incorrect ims hits
- bool IMSHit;
-
- /** \brief Check that the release file is a release file for the
- * correct distribution.
- *
- * \return \b true if no fatal errors were encountered.
- */
- bool VerifyVendor(std::string Message);
-
- /** \brief Called when a file is finished being retrieved.
- *
- * If the file was not downloaded to DestFile, a copy process is
- * set up to copy it to DestFile; otherwise, Complete is set to \b
- * true and the file is moved to its final location.
- *
- * \param Message The message block received from the fetch
- * subprocess.
- */
- void RetrievalDone(std::string Message);
-
- /** \brief Called when authentication succeeded.
- *
- * Sanity-checks the authenticated file, queues up the individual
- * index files for download, and saves the signature in the lists
- * directory next to the authenticated list file.
- *
- * \param Message The message block received from the fetch
- * subprocess.
- */
- void AuthDone(std::string Message);
-
std::string URIDesc;
std::string ShortDesc;
public:
- /** \brief Starts downloading the individual index files.
- *
- * \param verify If \b true, only indices whose expected hashsum
- * can be determined from the meta-index will be downloaded, and
- * the hashsums of indices will be checked (reporting
- * #StatAuthError if there is a mismatch). If verify is \b false,
- * no hashsum checking will be performed.
- */
- void QueueIndexes(bool verify);
-
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
public:
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
virtual std::string Custom600Headers() const;
- virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
+ virtual void Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
/** \brief Create a new pkgAcqMetaClearSig. */
/** \brief Pointer to the IndexTarget data
*/
const struct IndexTarget * Target;
+
+ /** \brief Pointer to the indexRecords parser */
indexRecords *MetaIndexParser;
+
/** \brief The MetaIndex Key */
std::string MetaKey;
+ /** \brief The URI of the index file to recreate at our end (either
+ * by downloading it or by applying partial patches).
+ */
+ std::string RealURI;
+
+ bool VerifyHashByMetaKey(HashStringList const &Hashes);
+
pkgAcqBaseIndex(pkgAcquire *Owner,
pkgAcqMetaBase *TransactionManager,
struct IndexTarget const * const Target,
/** \brief If \b true, debugging information will be written to std::clog. */
bool Debug;
- /** \brief The URI of the index file to recreate at our end (either
- * by downloading it or by applying partial patches).
- */
- std::string RealURI;
-
/** \brief The index file which will be patched to generate the new
* file.
*/
*/
bool Debug;
- /** \brief URI of the package index file that is being
- * reconstructed.
- */
- std::string RealURI;
-
/** \brief description of the file being downloaded. */
std::string Description;
* \return \b true if an applicable diff was found, \b false
* otherwise.
*/
- bool QueueNextDiff();
+ APT_HIDDEN bool QueueNextDiff();
/** \brief Handle tasks that must be performed after the item
* finishes downloading.
* \param allDone If \b true, the file was entirely reconstructed,
* and its md5sum is verified.
*/
- void Finish(bool allDone=false);
+ APT_HIDDEN void Finish(bool allDone=false);
protected:
*/
bool Debug;
- /** \brief The URI of the package index file that is being
- * reconstructed.
- */
- std::string RealURI;
-
/** A description of the file being downloaded. */
std::string Description;
*/
std::vector<DiffInfo> available_patches;
- /** Stop applying patches when reaching that sha1 */
- std::string ServerSha1;
-
/** The current status of this patch. */
enum DiffState
{
*
* \param ShortDesc A brief description of this item.
*
- * \param ExpectedHashes The expected md5sum of the completely
+ * \param ExpectedHashes The expected hashsums of the completely
* reconstructed package index file; the index file will be tested
* against this value when it is entirely reconstructed.
*
- * \param ServerSha1 is the sha1sum of the current file on the server
- *
* \param diffs The remaining diffs from the index of diffs. They
* should be ordered so that each diff appears before any diff
* that depends on it.
struct IndexTarget const * const Target,
HashStringList const &ExpectedHash,
indexRecords *MetaIndexParser,
- std::string ServerSha1,
std::vector<DiffInfo> diffs=std::vector<DiffInfo>());
};
/*}}}*/
protected:
- /** \brief If \b true, the index file has been decompressed. */
- bool Decompression;
+ /** \brief The stages the method goes through
+ *
+ * The method first downloads the indexfile, then its decompressed (or
+ * copied) and verified
+ */
+ enum AllStages {
+ STAGE_DOWNLOAD,
+ STAGE_DECOMPRESS_AND_VERIFY,
+ };
+ AllStages Stage;
- /** \brief If \b true, the partially downloaded file will be
- * removed when the download completes.
+ /** \brief Handle what needs to be done when the download is done */
+ void StageDownloadDone(std::string Message,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cfg);
+
+ /** \brief Handle what needs to be done when the decompression/copy is
+ * done
*/
- bool Erase;
+ void StageDecompressDone(std::string Message,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cfg);
- /** \brief The object that is actually being fetched (minus any
- * compression-related extensions).
+ /** \brief If \b set, this partially downloaded file will be
+ * removed when the download completes.
*/
- std::string RealURI;
+ std::string EraseFileName;
/** \brief The compression-related file extensions that are being
* added to the downloaded file one by one if first fails (e.g., "gz bz2").
*/
- std::string CompressionExtension;
+ std::string CompressionExtensions;
+ /** \brief The actual compression extension currently used */
+ std::string CurrentCompressionExtension;
/** \brief Do the changes needed to fetch via AptByHash (if needed) */
void InitByHashIfNeeded(const std::string MetaKey);
/** \brief Schedule file for verification after a IMS hit */
void ReverifyAfterIMS();
+ /** \brief Validate the downloaded index file */
+ bool ValidateFile(const std::string &FileName);
+
public:
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
+ virtual void Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
virtual std::string Custom600Headers() const;
virtual std::string DescURI() {return Desc.URI;};
std::string const &ShortDesc);
};
/*}}}*/
-/** \brief An acquire item that is responsible for fetching a {{{
- * translated index file.
- *
- * The only difference from pkgAcqIndex is that transient failures
- * are suppressed: no error occurs if the translated index file is
- * missing.
- */
-class pkgAcqIndexTrans : public pkgAcqIndex
-{
- void *d;
-
- public:
-
- virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers() const;
-
- /** \brief Create a pkgAcqIndexTrans.
- *
- * \param Owner The pkgAcquire object with which this item is
- * associated.
- *
- * \param URI The URI of the index file that is to be downloaded.
- *
- * \param URIDesc A "URI-style" description of this index file.
- *
- * \param ShortDesc A brief description of this index file.
- */
- pkgAcqIndexTrans(pkgAcquire *Owner,
- std::string URI,std::string URIDesc,
- std::string ShortDesc);
- pkgAcqIndexTrans(pkgAcquire *Owner,
- pkgAcqMetaBase *TransactionManager,
- IndexTarget const * const Target,
- HashStringList const &ExpectedHashes,
- indexRecords *MetaIndexParser);
-};
- /*}}}*/
/** \brief Information about an index file. */ /*{{{*/
class IndexTarget
{