From 86e8306178dfd9249c9c48b8054b853ab8e149af Mon Sep 17 00:00:00 2001
From: Murray Stokely <murray@FreeBSD.org>
Date: Thu, 10 Jan 2008 04:23:39 +0000
Subject: [PATCH] Add support for generating an RSS 2.0 feed for the security
 advisories in addition to the current RDF/RSS 0.9 feed.

---
 en/security/Makefile         |  3 +-
 en/security/security-rss.xsl | 26 ++++++++++++
 share/sgml/libcommon.xsl     | 78 +++++++++++++++++++++++++++++++++++-
 3 files changed, 105 insertions(+), 2 deletions(-)
 create mode 100644 en/security/security-rss.xsl

diff --git a/en/security/Makefile b/en/security/Makefile
index 477872477d..469c94ea68 100644
--- a/en/security/Makefile
+++ b/en/security/Makefile
@@ -1,4 +1,4 @@
-# $FreeBSD: www/en/security/Makefile,v 1.13 2004/05/25 01:19:50 hrs Exp $
+# $FreeBSD: www/en/security/Makefile,v 1.14 2005/09/18 04:33:46 hrs Exp $
 
 .if exists(../Makefile.conf)
 .include "../Makefile.conf"
@@ -22,5 +22,6 @@ NO_DATA.advisories=	yes
 NO_TIDY.advisories=	yes
 
 XMLDOCS+=	advisories-rdf:security-rdf.xsl::advisories.rdf
+XMLDOCS+=	advisories-rss:security-rss.xsl::rss.xml
 
 .include "${WEB_PREFIX}/share/mk/web.site.mk"
diff --git a/en/security/security-rss.xsl b/en/security/security-rss.xsl
new file mode 100644
index 0000000000..3a0c4f2b53
--- /dev/null
+++ b/en/security/security-rss.xsl
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!DOCTYPE xsl:stylesheet PUBLIC "-//FreeBSD//DTD FreeBSD XSLT 1.0 DTD//EN"
+				"http://www.FreeBSD.org/XML/www/share/sgml/xslt10-freebsd.dtd" [
+<!ENTITY base ".">
+<!ENTITY title "">
+]>
+<!-- $FreeBSD$ -->
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+  xmlns:cvs="http://www.FreeBSD.org/XML/CVS"
+  exclude-result-prefixes="cvs">
+
+  <xsl:import href="http://www.FreeBSD.org/XML/www/lang/share/sgml/libcommon.xsl"/>
+
+  <xsl:output method="xml" indent="yes"/>
+
+  <xsl:variable name="date">
+    <xsl:value-of select="//cvs:keyword[@name='freebsd']"/>
+  </xsl:variable>
+
+  <xsl:template match="/">
+    <xsl:call-template name="rss-security-advisories">
+       <xsl:with-param name="advisories.xml" select="$advisories.xml" />
+    </xsl:call-template>
+  </xsl:template>
+</xsl:stylesheet>
diff --git a/share/sgml/libcommon.xsl b/share/sgml/libcommon.xsl
index 2c4d8020a3..4e58052ece 100644
--- a/share/sgml/libcommon.xsl
+++ b/share/sgml/libcommon.xsl
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE xsl:stylesheet PUBLIC "-//FreeBSD//DTD FreeBSD XSLT 1.0 DTD//EN"
 				"http://www.FreeBSD.org/XML/www/share/sgml/xslt10-freebsd.dtd">
-<!-- $FreeBSD: www/share/sgml/libcommon.xsl,v 1.9 2008/01/04 22:28:53 jkois Exp $ -->
+<!-- $FreeBSD: www/share/sgml/libcommon.xsl,v 1.10 2008/01/07 07:39:35 murray Exp $ -->
 
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   version="1.0"
@@ -55,6 +55,10 @@
      rdf-security-advisories-title               security/security-rdf.xsl (for l10n)
      rdf-security-advisories-items               security/security-rdf.xsl
 
+     rss-security-advisories                     security/security-rss.xsl
+     rss-security-advisories-title               security/security-rss.xsl (for l10n)
+     rss-security-advisories-items               security/security-rss.xsl
+
      html-index-advisories-items                   index.xsl
      html-index-advisories-items-lastmodified      index.xsl (for i10n)
      html-index-news-project-items                 index.xsl
@@ -918,6 +922,78 @@
     </xsl:for-each>
   </xsl:template>
 
+  <!-- template: "rss-security-advisories"
+       generate a rdf of 10 most recent security advisories -->
+
+  <xsl:template name="rss-security-advisories">
+    <xsl:param name="advisories.xml" select="''" />
+
+    <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+      <channel>
+        <xsl:call-template name="rss-security-advisories-title">
+	  <xsl:with-param name="advisories.xml" select="$advisories.xml" />
+        </xsl:call-template>
+        <xsl:call-template name="rss-security-advisories-items">
+	  <xsl:with-param name="advisories.xml" select="$advisories.xml" />
+        </xsl:call-template>
+      </channel>
+    </rss>
+
+  </xsl:template>
+
+  <!-- template: "rss-security-advisories-title"
+       pulls in the 10 most recent security advisories -->
+
+  <xsl:template name="rss-security-advisories-title"
+                xmlns:atom="http://www.w3.org/2005/Atom">
+    <xsl:param name="advisories.xml" select="''" />
+
+    <xsl:variable name="title">FreeBSD Security Advisories</xsl:variable>
+    <xsl:variable name="link">http://www.FreeBSD.org/security/</xsl:variable>
+
+    <title><xsl:value-of select="$title" /></title>
+    <link><xsl:value-of select="$link" /></link>
+    <description>Security advisories published from the FreeBSD Project</description>
+    <language>en-us</language>
+    <webMaster>secteam@FreeBSD.org (FreeBSD Security Team)</webMaster>
+    <managingEditor>secteam@FreeBSD.org (FreeBSD Security Team)</managingEditor>
+    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
+    <ttl>120</ttl>
+    <image>
+      <url>http://www.FreeBSD.org/logo/logo-full.png</url>
+      <title><xsl:value-of select="$title" /></title>
+      <link><xsl:value-of select="$link" /></link>
+    </image>
+    <atom:link rel="self" type="application/rss+xml">
+      <xsl:attribute name="href">
+        <xsl:value-of select="$link" /><xsl:text>rss.xml</xsl:text>
+      </xsl:attribute>
+    </atom:link> 
+  </xsl:template>
+
+  <!-- template: "rss-security-advisories-items"
+       pulls in the 10 most recent security advisories -->
+
+  <xsl:template name="rss-security-advisories-items"
+                xmlns:atom="http://www.w3.org/2005/Atom">
+    <xsl:param name="advisories.xml" select="''" />
+
+    <xsl:for-each select="document($advisories.xml)/descendant::advisory[position() &lt;= 10]">
+      <item>
+	<title><xsl:value-of select="name"/></title>
+	<xsl:choose>
+	  <xsl:when test="@omithref = 'yes'">
+	    <xsl:value-of select="name"/>
+	  </xsl:when>
+	  <xsl:otherwise>
+	    <link><xsl:value-of select="concat('&ftpbase;', name, '.asc')" /></link>
+	    <guid><xsl:value-of select="concat('&ftpbase;', name, '.asc')" /></guid>
+	  </xsl:otherwise>
+	</xsl:choose>
+      </item>
+    </xsl:for-each>
+  </xsl:template>
+
   <!-- template: "html-index-news-project-items"
        pulls in the 5 most recent project items -->