X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/24231681aa99e84c8a6aae5e54b7e207e19d6087..eb3947c6510042c054a319d8053821faf7244dea:/methods/file.cc?ds=sidebyside diff --git a/methods/file.cc b/methods/file.cc index fc42c2968..9cdd5bc2d 100644 --- a/methods/file.cc +++ b/methods/file.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: file.cc,v 1.3 1998/10/23 00:50:02 jgg Exp $ +// $Id: file.cc,v 1.9.2.1 2004/01/16 18:58:50 mdz Exp $ /* ###################################################################### File URI method for APT @@ -13,132 +13,84 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include +#include +#include #include -#include #include #include -#include +#include /*}}}*/ -// Fail - Generate a failure message /*{{{*/ +class FileMethod : public pkgAcqMethod +{ + virtual bool Fetch(FetchItem *Itm); + + public: + + FileMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly) {}; +}; + +// FileMethod::Fetch - Fetch a file /*{{{*/ // --------------------------------------------------------------------- /* */ -void Fail(string URI) +bool FileMethod::Fetch(FetchItem *Itm) { - printf("400 URI Failure\n" - "URI: %s\n" - "Message: File does not exist\n\n",URI.c_str()); -} - /*}}}*/ + URI Get = Itm->Uri; + string File = Get.Path; + FetchResult Res; + if (Get.Host.empty() == false) + return _error->Error(_("Invalid URI, local URIS must not start with //")); -int main() -{ - setlinebuf(stdout); - SetNonBlock(STDIN_FILENO,true); + // See if the file exists + struct stat Buf; + if (stat(File.c_str(),&Buf) == 0) + { + Res.Size = Buf.st_size; + Res.Filename = File; + Res.LastModified = Buf.st_mtime; + Res.IMSHit = false; + if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0) + Res.IMSHit = true; + } - printf("100 Capabilities\n" - "Version: 1.0\n" - "Pipeline: true\n\n"); - - vector Messages; - while (1) + // See if we can compute a file without a .gz exentsion + string::size_type Pos = File.rfind(".gz"); + if (Pos + 3 == File.length()) { - if (WaitFd(STDIN_FILENO) == false || - ReadMessages(STDIN_FILENO,Messages) == false) - return 0; - - while (Messages.empty() == false) + File = string(File,0,Pos); + if (stat(File.c_str(),&Buf) == 0) { - string Message = Messages.front(); - Messages.erase(Messages.begin()); - - // Fetch the message number - char *End; - int Number = strtol(Message.c_str(),&End,10); - if (End == Message.c_str()) - { - cerr << "Malformed message!" << endl; - return 100; - } - - // We only understand 600 URI Fetch messages - if (Number != 600) - continue; - - // Grab the URI bit - string URI = LookupTag(Message,"URI"); + FetchResult AltRes; + AltRes.Size = Buf.st_size; + AltRes.Filename = File; + AltRes.LastModified = Buf.st_mtime; + AltRes.IMSHit = false; + if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0) + AltRes.IMSHit = true; - // Grab the filename - string::size_type Pos = URI.find(':'); - if (Pos == string::npos) - { - Fail(URI); - continue; - } - string File = string(URI,Pos+1); - - // Grab the modification time - time_t LastMod; - string LTime = LookupTag(Message,"Last-Modified"); - if (LTime.empty() == false && StrToTime(LTime,LastMod) == false) - LTime = string(); - - // Start the reply message - string Result = "201 URI Done"; - Result += "\nURI: " + URI; - - // See if the file exists - struct stat Buf; - bool Ok = false; - if (stat(File.c_str(),&Buf) == 0) - { - char S[300]; - sprintf(S,"\nSize: %ld",Buf.st_size); - - Result += "\nFilename: " + File; - Result += S; - Result += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); - if (LTime.empty() == false && LastMod == Buf.st_mtime) - Result += "\nIMS-Hit: true"; - - Ok = true; - } - - // See if we can compute a file without a .gz exentsion - Pos = File.rfind(".gz"); - if (Pos + 3 == File.length()) - { - File = string(File,0,Pos); - if (stat(File.c_str(),&Buf) == 0) - { - char S[300]; - sprintf(S,"\nAlt-Size: %ld",Buf.st_size); - - Result += "\nAlt-Filename: " + File; - Result += S; - Result += "\nAlt-Last-Modified: " + TimeRFC1123(Buf.st_mtime); - if (LTime.empty() == false && LastMod == Buf.st_mtime) - Result += "\nAlt-IMS-Hit: true"; - - Ok = true; - } - } - - // Did we find something? - if (Ok == false) - { - Fail(URI); - continue; - } - Result += "\n\n"; - - // Send the message - if (write(STDOUT_FILENO,Result.begin(),Result.length()) != - (signed)Result.length()) - return 100; + URIDone(Res,&AltRes); + return true; } } - return 0; + if (Res.Filename.empty() == true) + return _error->Error(_("File not found")); + + Hashes Hash; + FileFd Fd(Res.Filename, FileFd::ReadOnly); + Hash.AddFD(Fd.Fd(), Fd.Size()); + Res.TakeHashes(Hash); + URIDone(Res); + return true; +} + /*}}}*/ + +int main() +{ + setlocale(LC_ALL, ""); + + FileMethod Mth; + return Mth.Run(); }