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#!/bin/bash
#
# Fetch Service Provider metadata and save into entityid filename
#
error()
{
echo "Error: $*" 1>&2
exit 1
}
metadataurl=$1
if [ -z "$metadataurl" ] ; then
cat <<EOF
Usage: `basename $0` <metadataurl>
Ex: `basename $0` https://shibsp.mysite.com/Shibboleth.sso/Metadata
`basename $0` https://shibidp.mysite.com/idp/profile/Metadata/SAML
`basename $0` some-downloaded-metadata.xml
EOF
exit 1
fi
if echo "$metadataurl" | grep -qE '^http://|^https://' ; then
metadata=`curl -s -k -f $metadataurl`
else
metadata=`cat $metadataurl`
fi
[ -n "$metadata" ] || error "Failed to fetch metadata from $metadataurl"
entityid=`echo "$metadata" | sed -n 's/.*entityID=['\''"]\([^"]*\)['\''"].*/\1/p'`
[ -n "$entityid" ] || error "Failed to find entityID in metadata"
[ "`echo "$entityid" | wc -l`" = "1" ] || error "Multiple entityid:s found: `echo $entityid`"
entityidfn=`echo "$entityid" | sed 's;https*://;;' | tr 'A-Z' 'a-z' | sed 's;/$;;' | sed 's/[^a-z0-9_.-]/-/g' | sed 's/\.xml$//;s/$/.xml/'`
[ -n "$entityidfn" ] || error "Failed to generate filename from entityid $entityid"
echo -n "Save metadata into $entityidfn [Y/n]? "
read x
case $x in
Y|y|"")
echo "$metadata" > $entityidfn
echo $entityidfn
;;
*)
echo "Nothing done"
;;
esac
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