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@@ -30,7 +30,36 @@ class FeedItem_Atom extends FeedItem_Common {
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return strtotime($date->nodeValue);
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}
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}
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-
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+
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+ function rel2abs($rel, $base)
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+ {
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+ /* return if already absolute URL */
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+ if (parse_url($rel, PHP_URL_SCHEME) != '') return $rel;
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+
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+ /* queries and anchors */
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+ if ($rel[0]=='#' || $rel[0]=='?') return $base.$rel;
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+
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+ /* parse base URL and convert to local variables:
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+ $scheme, $host, $path */
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+ extract(parse_url($base));
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+
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+ /* remove non-directory element from path */
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+ $path = preg_replace('#/[^/]*$#', '', $path);
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+
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+ /* destroy path if relative url points to root */
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+ if ($rel[0] == '/') $path = '';
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+
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+ /* dirty absolute URL */
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+ $abs = "$host$path/$rel";
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+
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+ /* replace '//' or '/./' or '/foo/../' with '/' */
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+ $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
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+ for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {}
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+
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+ /* absolute URL is ready! */
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+ return $scheme.'://'.$abs;
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+ }
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+
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function get_link() {
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$links = $this->elem->getElementsByTagName("link");
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@@ -40,7 +69,7 @@ class FeedItem_Atom extends FeedItem_Common {
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|| $link->getAttribute("rel") == "alternate"
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|| $link->getAttribute("rel") == "standout")) {
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$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)",$link);
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- return $base.$link->getAttribute("href");
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+ return $this->rel2abs($link->getAttribute("href"), $base);
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}
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}
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}
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