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Update an IPFS record in Cloudflare DNS
#!/bin/bash
set -e # abort on any error
HASH=${1?param missing - hash.}
echo "Hi $PAGES_CLOUDFLARE_EMAIL"
if [[ -z "${PAGES_CLOUDFLARE_API_KEY}" ]]; then
echo "See setup instructions to set PAGES_CLOUDFLARE_API_KEY"
exit 1
fi
if [[ -z "${PAGES_CLOUDFLARE_EMAIL}" ]]; then
echo "See setup instructions to set PAGES_CLOUDFLARE_EMAIL"
exit 1
fi
if [ -z "$PAGES_DOMAIN_NAME" ]; then
echo "See setup instructions to set PAGES_DOMAIN_NAME"
exit 1
fi
if [ -z "$PAGES_IPFS_RECORD" ]; then
echo "See setup instructions to set PAGES_IPFS_RECORD"
exit 1
fi
echo "Get zones: https://api.cloudflare.com/client/v4/zones?name=$PAGES_DOMAIN_NAME"
# Curl the Cloudlfare endpoint for the zone Ids of the provided domains
response=$(curl -H "X-Auth-Key: $PAGES_CLOUDFLARE_API_KEY" \
-H "X-Auth-Email: $PAGES_CLOUDFLARE_EMAIL" \
-H "Content-Type: application/json" \
-s "https://api.cloudflare.com/client/v4/zones?name=$PAGES_DOMAIN_NAME")
# Parse the json response to create an array if Ids: {df738f0220Xcda8842bdff65be572c24}
zoneIds=$(jq -r '.result[].id' <<< "${response}" )
echo "Pages Update: ZoneId Found"
for zoneId in "${zoneIds[@]}"
do
# Get the DNS record for the IPFS page
response=$(curl -H "X-Auth-Key: $PAGES_CLOUDFLARE_API_KEY" \
-H "X-Auth-Email: $PAGES_CLOUDFLARE_EMAIL" \
-H "Content-Type: application/json" \
-s "https://api.cloudflare.com/client/v4/zones/$zoneId/dns_records?name=_dnslink.$PAGES_IPFS_RECORD")
recordIds=$(jq -r '.result[].id' <<< "${response}" )
if [ ${#recordIds[@]} -eq 0 ]; then
echo "Pages Update: No record found. Follow Cloudflare setup instructions to add an initial IPFS record for $PAGES_IPFS_RECORD"
else
echo "Pages Update: DNS Record Found"
for recordId in "${recordIds[@]}"
do
putResponse=$(curl -H "X-Auth-Key: $PAGES_CLOUDFLARE_API_KEY" \
-H "X-Auth-Email: $PAGES_CLOUDFLARE_EMAIL" \
-H "Content-Type: application/json" \
-X PUT \
--data "{\"type\":\"TXT\",\"name\":\"_dnslink.$PAGES_IPFS_RECORD\",\"content\":\"dnslink=/ipfs/$HASH\"}" \
-s "https://api.cloudflare.com/client/v4/zones/$zoneId/dns_records/$recordId")
echo "Pages Update Success"
echo " Webpage $PAGES_IPFS_RECORD updated to $HASH."
echo " Update time will vary depending on your Cloudflare settings."
echo " View latest page at https://cloudflare-ipfs.com/ipns/$PAGES_IPFS_RECORD."
done
fi
done
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