removed mods directory from the ATutor codebase

[atutor.git] / mods / wiki / plugins / lib / http_cache.php

diff --git a/mods/wiki/plugins/lib/http_cache.php b/mods/wiki/plugins/lib/http_cache.php
deleted file mode 100644 (file)
index 43b56d5..0000000
--- a/mods/wiki/plugins/lib/http_cache.php
+++ /dev/null
@@ -1,51 +0,0 @@
-<?php
-/*
-  Creates a cache entry in the database for retrieved objects.
-
-  @depends: http
-*/
-
-
-#-- retrieve URL, but always create/check cache entry
-function ewiki_cache_url($url, $cache_min=1200) {
-   global $ewiki_cache_ctype;
-   
-   #-- check if fresh enough in cache (20min)
-   $data = ewiki_db::GET($url);
-   if (time() <= $data["lastmodified"] + $cache_min) {
-      $ewiki_cache_ctype = $data["Content-Type"];
-      return($data["content"]);
-   }
-
-   #-- retrieve
-   $req = new http_request("GET", $url);
-   $req->header["Accept"] = "application/atom+xml, application/rss+xml, text/rss, xml/*, */*rss*";
-   if ($data["meta"]["Last-Modified"]) {
-      $req->headers["If-Modified-Since"] = $data["meta"]["Last-Modified"];
-   }
-   if ($data["meta"]["Etag"]) {
-      $req->headers["If-None-Match"] = $data["meta"]["Etag"];
-   }
-   $result = $req->go();
-   
-   #-- create/overwrite cache entry
-   if ($result->status == 200) {
-      $data = ewiki_db::CREATE($url, 0x0000, "ewiki_cache_url");
-      $data["flags"] = 0x0000;
-      $data["content"] = $result->body;
-      foreach ($result->headers as $i=>$v) {
-         $data["meta"][$i] = $v;
-      }
-      $data["meta"]["class"] = "temp";
-      $data["meta"]["kill-after"] = time() + $cache_min;
-      if ($t = $data["meta"]["Last-Modified"]) {
-   //    $data["lastmodified"] = ewiki_decode_datetime($t);
-      }
-      ewiki_db::WRITE($data,"_OVERWRITE=1");
-   }
-
-   $ewiki_cache_ctype = $data["Content-Type"];
-   return($data["content"]);
-}
-
-?>
\ No newline at end of file