X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/24231681aa99e84c8a6aae5e54b7e207e19d6087..34984adbae646b922c4759849097f047461c4a60:/methods/file.cc

diff --git a/methods/file.cc b/methods/file.cc
index fc42c2968..12db62203 100644
--- a/methods/file.cc
+++ b/methods/file.cc
@@ -1,11 +1,11 @@
 // -*- 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
    
-   This simply checks that the file specified exists, if so the relevent
+   This simply checks that the file specified exists, if so the relevant
    information is returned. If a .gz filename is specified then the file
    name with .gz removed will also be checked and information about it
    will be returned in Alt-*
@@ -13,132 +13,88 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/acquire-method.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/hashes.h>
 #include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
 
+#include <string>
 #include <sys/stat.h>
-#include <unistd.h>
-#include <stdio.h>
+
+#include <apti18n.h>
 									/*}}}*/
 
-// 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;
+   std::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<string> Messages;   
-   while (1)
+   // See if we can compute a file without a .gz exentsion
+   std::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 = std::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;
+	 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 URI bit 
-	 string URI = LookupTag(Message,"URI");
-	 
-	 // 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);
+   Res.TakeHashes(Hash);
+   URIDone(Res);
+   return true;
+}
+									/*}}}*/
+
+int main()
+{
+   setlocale(LC_ALL, "");
+
+   FileMethod Mth;
+   return Mth.Run();
 }