M_Viper/cloudflare-ddns-updater
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cloudflare-ddns-updater
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Merge pull request #34 from 9cco/alternative-ip-resolver 

Added cloudflare.com as default ip lookup
This commit is contained in:
Jason K 2022-03-23 18:03:45 +08:00 committed by GitHub
parent 27e396cccc 00db8af28f
commit d9ad375827
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1 changed files with 17 additions and 8 deletions
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23
cloudflare-template.sh
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@ -7,7 +7,7 @@ auth_key="" # Your API Token or Global AP
zone_identifier="" # Can be found in the "Overview" tab of your domain
record_name="" # Which record you want to be synced
ttl="3600" # Set the DNS TTL (seconds)
proxy=false # Set the proxy to true or false
proxy="false" # Set the proxy to true or false
slacksitename="" # Title of site "Example Site"
slackchannel="" # Slack Channel #example
slackuri="" # URI for Slack WebHook "https://hooks.slack.com/services/xxxxx"
@ -17,17 +17,26 @@ slackuri="" # URI for Slack WebHook "http
###########################################
## Check if we have a public IP
###########################################
ip=$(curl -s https://api.ipify.org || curl -s https://ipv4.icanhazip.com/)
ipv4_regex='([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])'
ip=$(curl -s -4 https://cloudflare.com/cdn-cgi/trace | grep -E '^ip'); ret=$?
if [[ ! $ret == 0 ]]; then # In the case that cloudflare failed to return an ip.
# Attempt to get the ip from other websites.
ip=$(curl -s https://api.ipify.org || curl -s https://ipv4.icanhazip.com)
else
# Extract just the ip from the ip line from cloudflare.
ip=$(echo $ip | sed -E "s/^ip=($ipv4_regex)$/\1/")
fi
if [ "${ip}" == "" ]; then
logger -s "DDNS Updater: No public IP found"
exit 1
# Use regex to check for proper IPv4 format.
if [[ ! $ip =~ ^$ipv4_regex$ ]]; then
logger -s "DDNS Updater: Failed to find a valid IP."
exit 2
fi
###########################################
## Check and set the proper auth header
###########################################
if [ "${auth_method}" == "global" ]; then
if [[ "${auth_method}" == "global" ]]; then
auth_header="X-Auth-Key:"
else
auth_header="Authorization: Bearer"
@ -80,7 +89,7 @@ update=$(curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/$zone_iden
###########################################
case "$update" in
*"\"success\":false"*)
logger -s "DDNS Updater: $ip $record_name DDNS failed for $record_identifier ($ip). DUMPING RESULTS:\n$update"
echo -e "DDNS Updater: $ip $record_name DDNS failed for $record_identifier ($ip). DUMPING RESULTS:\n$update" | logger -s
if [[ $slackuri != "" ]]; then
curl -L -X POST $slackuri \
--data-raw '{