<?xml version="1.0" encoding="UTF-8"?>
<!--
final_tweak.xsl
Final tweaks required for UK federation aggregates.
-->
<xsl:stylesheet version="1.0"
xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"
xmlns:mdrpi="urn:oasis:names:tc:SAML:metadata:rpi"
xmlns="urn:oasis:names:tc:SAML:2.0:metadata"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
exclude-result-prefixes="md">
<!--Force UTF-8 encoding for the output.-->
<xsl:output omit-xml-declaration="no" method="xml" encoding="UTF-8" indent="yes"/>
<!--
extraText
This parameter, if present, provides additional text to be put in the
document comment.
-->
<xsl:param name="extraText"/>
<!--
publisher
This parameter, if present, prompts the generation of a PublicationInfo
element on the EntitiesDescriptor.
-->
<xsl:param name="publisher"/>
<!--
validityDays
This parameter determines the number of days between the aggregation instant and the
end of validity of the signed metadata.
-->
<xsl:param name="validityDays"/>
<!--
now_ISO
This parameter is an ISO8601 representation of the UTC instant
at which the aggregate generation started.
Example: 2019-10-23T10:25:11Z
-->
<xsl:param name="now_ISO"/>
<!--
now_local_ISO
This parameter is an ISO8601 representation of the local time
at which the aggregate generation started.
Example: 2019-10-23T11:25:11
-->
<xsl:param name="now_local_ISO"/>
<!--
validUntil_ISO
This parameter is an ISO8601 representation of the UTC instant
at which the aggregate will become invalid. This has been computed
by the caller as now_ISO + validityDays days.
-->
<xsl:param name="validUntil_ISO"/>
<!--
Document element.
-->
<xsl:template match="/md:EntitiesDescriptor">
<xsl:call-template name="document.comment">
<xsl:with-param name="validUntil" select="$validUntil_ISO"/>
</xsl:call-template>
<EntitiesDescriptor>
<xsl:apply-templates select="@*"/>
<xsl:attribute name="validUntil"><xsl:value-of select="$validUntil_ISO"/></xsl:attribute>
<xsl:call-template name="document.comment">
<xsl:with-param name="validUntil" select="$validUntil_ISO"/>
</xsl:call-template>
<!--
Add an Extensions element if there isn't one, but we need one
so that we can put a PublicationInfo inside it.
-->
<xsl:if test="$publisher and not(md:Extensions)">
<xsl:text> </xsl:text>
<xsl:text> </xsl:text>
<xsl:element name="md:Extensions">
<xsl:call-template name="generate.publicationInfo"/>
<xsl:text> </xsl:text>
<xsl:text> </xsl:text>
</xsl:element>
<xsl:text> </xsl:text>
</xsl:if>
<xsl:apply-templates select="node()"/>
</EntitiesDescriptor>
</xsl:template>
<!--
Comment to be added to the top of the document, and just inside the document element.
-->
<xsl:template name="document.comment">
<xsl:param name="validUntil"/>
<xsl:text> </xsl:text>
<xsl:comment>
<xsl:text> 	U K F E D E R A T I O N M E T A D A T A </xsl:text>
<xsl:text> </xsl:text>
<xsl:if test="$extraText">
<xsl:text>	*** </xsl:text>
<xsl:value-of select="$extraText"/>
<xsl:text> *** </xsl:text>
<xsl:text> </xsl:text>
</xsl:if>
<xsl:text>	Aggregate built </xsl:text>
<xsl:value-of select="$now_ISO"/>
<!--
Show local time if DST is in effect (indicated by the local
hour and UTC hour being different), otherwise omit.
-->
<xsl:if test="substring($now_ISO, 12, 2) != substring($now_local_ISO, 12, 2)">
<xsl:text> (</xsl:text>
<xsl:value-of select="$now_local_ISO"/>
<xsl:text> local)</xsl:text>
</xsl:if>
<xsl:text> </xsl:text>
<xsl:text> </xsl:text>
<xsl:text>	Aggregate valid for </xsl:text>
<xsl:value-of select="$validityDays"/>
<xsl:text> days, until </xsl:text>
<xsl:value-of select="$validUntil"/>
<xsl:text> </xsl:text>
</xsl:comment>
</xsl:template>
<!--
Document element's Extensions.
Insert a PublicationInfo at the top, if required.
-->
<xsl:template match="/md:EntitiesDescriptor/md:Extensions">
<xsl:copy>
<xsl:if test="$publisher">
<xsl:call-template name="generate.publicationInfo"/>
</xsl:if>
<xsl:apply-templates select="node()"/>
</xsl:copy>
</xsl:template>
<!--
PublicationInfo generation.
Assumption: called at the start of the document element's Extensions, at 4-space
indentation, so the element itself requires 8-space indentation.
-->
<xsl:template name="generate.publicationInfo">
<xsl:text> </xsl:text>
<xsl:text> </xsl:text>
<xsl:element name="mdrpi:PublicationInfo">
<xsl:attribute name="publisher">
<xsl:value-of select="$publisher"/>
</xsl:attribute>
<xsl:attribute name="creationInstant">
<xsl:value-of select="$now_ISO"/>
</xsl:attribute>
</xsl:element>
</xsl:template>
<!--By default, copy text blocks, comments and attributes unchanged.-->
<xsl:template match="text()|comment()|@*">
<xsl:copy/>
</xsl:template>
<!--By default, copy all elements from the input to the output, along with their attributes and contents.-->
<xsl:template match="*">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>