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96 lines
2.4 KiB
96 lines
2.4 KiB
// -*- mode: cpp; mode: fold -*-
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// Description /*{{{*/
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// $Id: file.cc,v 1.9.2.1 2004/01/16 18:58:50 mdz Exp $
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/* ######################################################################
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File URI method for APT
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This simply checks that the file specified exists, if so the relevent
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information is returned. If a .gz filename is specified then the file
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name with .gz removed will also be checked and information about it
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will be returned in Alt-*
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##################################################################### */
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/*}}}*/
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// Include Files /*{{{*/
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#include <apt-pkg/acquire-method.h>
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#include <apt-pkg/error.h>
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#include <apt-pkg/hashes.h>
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#include <apt-pkg/fileutl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <apti18n.h>
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/*}}}*/
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class FileMethod : public pkgAcqMethod
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{
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virtual bool Fetch(FetchItem *Itm);
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public:
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FileMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly) {};
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};
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// FileMethod::Fetch - Fetch a file /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool FileMethod::Fetch(FetchItem *Itm)
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{
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URI Get = Itm->Uri;
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string File = Get.Path;
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FetchResult Res;
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if (Get.Host.empty() == false)
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return _error->Error(_("Invalid URI, local URIS must not start with //"));
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// See if the file exists
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struct stat Buf;
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if (stat(File.c_str(),&Buf) == 0)
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{
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Res.Size = Buf.st_size;
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Res.Filename = File;
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Res.LastModified = Buf.st_mtime;
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Res.IMSHit = false;
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if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0)
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Res.IMSHit = true;
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}
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// See if we can compute a file without a .gz exentsion
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string::size_type Pos = File.rfind(".gz");
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if (Pos + 3 == File.length())
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{
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File = string(File,0,Pos);
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if (stat(File.c_str(),&Buf) == 0)
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{
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FetchResult AltRes;
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AltRes.Size = Buf.st_size;
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AltRes.Filename = File;
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AltRes.LastModified = Buf.st_mtime;
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AltRes.IMSHit = false;
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if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0)
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AltRes.IMSHit = true;
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URIDone(Res,&AltRes);
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return true;
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}
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}
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if (Res.Filename.empty() == true)
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return _error->Error(_("File not found"));
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Hashes Hash;
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FileFd Fd(Res.Filename, FileFd::ReadOnly);
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Hash.AddFD(Fd.Fd(), Fd.Size());
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Res.TakeHashes(Hash);
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URIDone(Res);
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return true;
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}
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/*}}}*/
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int main()
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{
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setlocale(LC_ALL, "");
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FileMethod Mth;
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return Mth.Run();
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}
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