- pkgAcqIndexDiffs(pkgAcquire *Owner,std::string URI,std::string URIDesc,
- std::string ShortDesc, HashString ExpectedHash,
- std::string ServerSha1,
- std::vector<DiffInfo> diffs=std::vector<DiffInfo>());
-};
- /*}}}*/
-/** \brief An acquire item that is responsible for fetching an index {{{
- * file (e.g., Packages or Sources).
- *
- * \sa pkgAcqDiffIndex, pkgAcqIndexDiffs, pkgAcqIndexTrans
- *
- * \todo Why does pkgAcqIndex have protected members?
- */
-class pkgAcqIndex : public pkgAcquire::Item
-{
- protected:
-
- /** \brief If \b true, the index file has been decompressed. */
- bool Decompression;
-
- /** \brief If \b true, the partially downloaded file will be
- * removed when the download completes.
- */
- bool Erase;
-
- // Unused, used to be used to verify that "Packages: " header was there
- bool __DELME_ON_NEXT_ABI_BREAK_Verify;
-
- /** \brief The download request that is currently being
- * processed.
- */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The object that is actually being fetched (minus any
- * compression-related extensions).
- */
- std::string RealURI;
-
- /** \brief The expected hashsum of the decompressed index file. */
- HashString ExpectedHash;
-
- /** \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;
-
- /** \brief Get the full pathname of the final file for the given URI
- */
- std::string GetFinalFilename(std::string const &URI,
- std::string const &compExt);
-
- /** \brief Schedule file for verification after a IMS hit */
- void ReverifyAfterIMS(std::string const &FileName);
-
- public:
-
- // Specialized action members
- virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return Desc.URI;};
- virtual std::string HashSum() {return ExpectedHash.toStr(); };
-
- /** \brief Create a pkgAcqIndex.
- *
- * \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.
- *
- * \param ExpectedHash The expected hashsum of this index file.
- *
- * \param compressExt The compression-related extension with which
- * this index file should be downloaded, or "" to autodetect
- * Compression types can be set with config Acquire::CompressionTypes,
- * default is ".lzma" or ".bz2" (if the needed binaries are present)
- * fallback is ".gz" or none.
- */
- pkgAcqIndex(pkgAcquire *Owner,std::string URI,std::string URIDesc,
- std::string ShortDesc, HashString ExpectedHash,
- std::string compressExt="");
- pkgAcqIndex(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
- void Init(std::string const &URI, std::string const &URIDesc, 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
-{
- public:
-
- virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
-
- /** \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, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
-};
- /*}}}*/
-/** \brief Information about an index file. */ /*{{{*/
-class IndexTarget
-{
- public:
- /** \brief A URI from which the index file can be downloaded. */
- std::string URI;
-
- /** \brief A description of the index file. */
- std::string Description;
-
- /** \brief A shorter description of the index file. */
- std::string ShortDesc;
-
- /** \brief The key by which this index file should be
- * looked up within the meta signature file.
- */
- std::string MetaKey;
-
- virtual bool IsOptional() const {
- return false;
- }
- virtual bool IsSubIndex() const {
- return false;
- }
-};
- /*}}}*/
-/** \brief Information about an optional index file. */ /*{{{*/
-class OptionalIndexTarget : public IndexTarget
-{
- virtual bool IsOptional() const {
- return true;
- }
-};
- /*}}}*/
-/** \brief Information about an subindex index file. */ /*{{{*/
-class SubIndexTarget : public IndexTarget
-{
- virtual bool IsSubIndex() const {
- return true;
- }
-};
- /*}}}*/
-/** \brief Information about an subindex index file. */ /*{{{*/
-class OptionalSubIndexTarget : public OptionalIndexTarget
-{
- virtual bool IsSubIndex() const {
- return true;
- }
-};
- /*}}}*/
-
-/** \brief An acquire item that downloads the detached signature {{{
- * of a meta-index (Release) file, then queues up the release
- * file itself.
- *
- * \todo Why protected members?
- *
- * \sa pkgAcqMetaIndex
- */
-class pkgAcqMetaSig : public pkgAcquire::Item
-{
- protected:
- /** \brief The last good signature file */
- std::string LastGoodSig;
-
- /** \brief The fetch request that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI of the signature file. Unlike Desc.URI, this is
- * never modified; it is used to determine the file that is being
- * downloaded.
- */
- std::string RealURI;
-
- /** \brief The URI of the meta-index file to be fetched after the signature. */
- std::string MetaIndexURI;
-
- /** \brief A "URI-style" description of the meta-index file to be
- * fetched after the signature.
- */
- std::string MetaIndexURIDesc;
-
- /** \brief A brief description of the meta-index file to be fetched
- * after the signature.
- */
- std::string MetaIndexShortDesc;
-
- /** \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.
- *
- * \todo Why a list of pointers instead of a list of structs?
- */
- const std::vector<struct IndexTarget*>* IndexTargets;
-
- public:
-
- // Specialized action members
- virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return RealURI; };
-
- /** \brief Create a new pkgAcqMetaSig. */
- pkgAcqMetaSig(pkgAcquire *Owner,std::string URI,std::string URIDesc, std::string ShortDesc,
- std::string MetaIndexURI, std::string MetaIndexURIDesc, std::string MetaIndexShortDesc,
- const std::vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
- virtual ~pkgAcqMetaSig();
-};
- /*}}}*/
-/** \brief An item that is responsible for downloading the meta-index {{{
- * file (i.e., Release) itself and verifying its signature.
- *
- * Once the download and verification are complete, the downloads of
- * the individual index files are queued up using pkgAcqDiffIndex.
- * If the meta-index file had a valid signature, the expected hashsums
- * of the index files will be the md5sums listed in the meta-index;
- * otherwise, the expected hashsums will be "" (causing the
- * authentication of the index files to be bypassed).
- */
-class pkgAcqMetaIndex : public pkgAcquire::Item
-{
- protected:
- /** \brief The fetch command that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI that is actually being downloaded; never
- * modified by pkgAcqMetaIndex.
- */
- 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<struct 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);
-
- /** \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);
-
- public:
-
- // Specialized action members
- virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size, std::string Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return RealURI; };
-
- /** \brief Create a new pkgAcqMetaIndex. */
- pkgAcqMetaIndex(pkgAcquire *Owner,
- std::string URI,std::string URIDesc, std::string ShortDesc,
- std::string SigFile,
- const std::vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
-};
- /*}}}*/
-/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/
-class pkgAcqMetaClearSig : public pkgAcqMetaIndex
-{
- /** \brief The URI of the meta-index file for the detached signature */
- std::string MetaIndexURI;
-
- /** \brief A "URI-style" description of the meta-index file */
- std::string MetaIndexURIDesc;
-
- /** \brief A brief description of the meta-index file */
- std::string MetaIndexShortDesc;
-
- /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */
- std::string MetaSigURI;
-
- /** \brief A "URI-style" description of the meta-signature file */
- std::string MetaSigURIDesc;
-
- /** \brief A brief description of the meta-signature file */
- std::string MetaSigShortDesc;
-
-public:
- void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
-
- /** \brief Create a new pkgAcqMetaClearSig. */
- pkgAcqMetaClearSig(pkgAcquire *Owner,
- std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc,
- std::string const &MetaIndexURI, std::string const &MetaIndexURIDesc, std::string const &MetaIndexShortDesc,
- std::string const &MetaSigURI, std::string const &MetaSigURIDesc, std::string const &MetaSigShortDesc,
- const std::vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
- virtual ~pkgAcqMetaClearSig();
projects / apt.git / blobdiff