#!/bin/bash

function die() {
   echo $*
   exit 1
}

URL=$1
DIR=$2
CERT=$3

TMPF=`mktemp`
wget --no-check-certificate -O$TMPF $URL || die "Unable to download $URL: $?"
if [ "x$CERT" != "x" ]; then
   samlsign -c $CERT -f $TMPF || die "Unable to verify $URL with $CERT: $?"
fi
TMPD=`mktemp -d`
xsltproc --stringparam output $TMPD xslt/import-metadata.xsl $TMPF || die "Unable to import metadata from $URL: $?"
rsync -avz $TMPD/ $DIR
(
echo '<?xml version="1.0"?>'
echo "<EntitiesDescriptor xmlns=\"urn:oasis:names:tc:SAML:2.0:metadata\" xmlns:xi=\"http://www.w3.org/2001/XInclude\" Name=\"http://md.swamid.se/md/$DIR.xml\">"
T=`mktemp`
for md in $DIR/*.xml; do
   xsltproc xslt/clean-entitydescriptor.xsl $md > $T && mv $T $md
   test=`echo $md | cut -d/ -f2-`
   if [ ! -f "swamid-2.0/$test" ]; then
      echo "<xi:include href=\"$md\"/>"
   fi
done
rm -f $T
echo "</EntitiesDescriptor>"
) > $DIR.mxml
git add $DIR.mxml $DIR
git commit -m "$URL into $DIR" $DIR.mxml $DIR
rm -rf $TMPF $TMPD