merged lp:~mvo/apt/conflicts-on-virtuals to better deal with

[apt.git] / apt-pkg / indexrecords.cc

diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index ab208e246ebf6afe92c6747681d916e3c58579a1..eb9a368662e9f8b192a8513ce9db6fdc6ef1c2fd 100644 (file)
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -7,9 +7,12 @@
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/configuration.h>
 #include <apti18n.h>
 #include <sys/stat.h>
+#include <clocale>
 
+                                                                       /*}}}*/
 string indexRecords::GetDist() const
 {
    return this->Dist;
@@ -26,12 +29,22 @@ string indexRecords::GetExpectedDist() const
    return this->ExpectedDist;
 }
 
+time_t indexRecords::GetValidUntil() const
+{
+   return this->ValidUntil;
+}
+
 const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
 {
    return Entries[MetaKey];
 }
 
-bool indexRecords::Load(const string Filename)
+bool indexRecords::Exists(string const &MetaKey) const
+{
+   return Entries.count(MetaKey) == 1;
+}
+
+bool indexRecords::Load(const string Filename)                         /*{{{*/
 {
    FileFd Fd(Filename, FileFd::ReadOnly);
    pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX
@@ -80,13 +93,44 @@ bool indexRecords::Load(const string Filename)
    {
       strprintf(ErrorText, _("No Hash entry in Release file %s"), Filename.c_str());
       return false;
-   }  
+   }
+
+   string Label = Section.FindS("Label");
+   string StrDate = Section.FindS("Date");
+   string StrValidUntil = Section.FindS("Valid-Until");
+
+   // if we have a Valid-Until header in the Release file, use it as default
+   if (StrValidUntil.empty() == false)
+   {
+      if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false)
+      {
+        strprintf(ErrorText, _("Invalid 'Valid-Until' entry in Release file %s"), Filename.c_str());
+        return false;
+      }
+   }
+   // get the user settings for this archive and use what expires earlier
+   int MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
+   if (Label.empty() == true)
+      MaxAge = _config->FindI(string("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
+
+   if(MaxAge == 0) // No user settings, use the one from the Release file
+      return true;
+
+   time_t date;
+   if (RFC1123StrToTime(StrDate.c_str(), date) == false)
+   {
+      strprintf(ErrorText, _("Invalid 'Date' entry in Release file %s"), Filename.c_str());
+      return false;
+   }
+   date += 24*60*60*MaxAge;
+
+   if (ValidUntil == 0 || ValidUntil > date)
+      ValidUntil = date;
 
-   string Strdate = Section.FindS("Date"); // FIXME: verify this somehow?
    return true;
 }
-
-vector<string> indexRecords::MetaKeys()
+                                                                       /*}}}*/
+vector<string> indexRecords::MetaKeys()                                        /*{{{*/
 {
    std::vector<std::string> keys;
    std::map<string,checkSum *>::iterator I = Entries.begin();
@@ -96,8 +140,8 @@ vector<string> indexRecords::MetaKeys()
    }
    return keys;
 }
-
-bool indexRecords::parseSumData(const char *&Start, const char *End,
+                                                                       /*}}}*/
+bool indexRecords::parseSumData(const char *&Start, const char *End,   /*{{{*/
                                   string &Name, string &Hash, size_t &Size)
 {
    Name = "";
@@ -154,12 +198,12 @@ bool indexRecords::parseSumData(const char *&Start, const char *End,
    Start = EntryEnd; //prepare for the next round
    return true;
 }
-
+                                                                       /*}}}*/
 indexRecords::indexRecords()
 {
 }
 
 indexRecords::indexRecords(const string ExpectedDist) :
-   ExpectedDist(ExpectedDist)
+   ExpectedDist(ExpectedDist), ValidUntil(0)
 {
 }