Update to work with IP 4 and 6, limited access token, fix grep errors

get-dns.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+#This script will pull ALL domain records for the specified domain in the *secrets* file
 source ./secrets
 
 response=$(curl \
@@ -9,4 +9,4 @@ response=$(curl \
   -H "Authorization: Bearer $ACCESS_TOKEN" \
   "https://api.digitalocean.com/v2/domains/$DOMAIN/records")
 
-echo "$response" | grep -Eo '"id":\d*|"type":"\w*"|"name":"\w*"|"data":".*?"'
+echo "$response" | grep -Po '"id":\d*|"type":"\w*"|"name":"\w*"|"data":".*?"'

get-domain-ids.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+source ./secrets
+
+read -p "Please enter the domain (e.g. example.com): " DOMAIN2
+read -p "Please enter the submain (e.g. host.example.com): " SUBDOMAIN
+
+
+response=$(curl \
+  --silent \
+  -X GET \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $ACCESS_TOKEN" \
+  "https://api.digitalocean.com/v2/domains/$DOMAIN2/records?name=$SUBDOMAIN")
+
+echo "$response" | grep -Po '"id":\d*|"type":"\w*"|"name":"\w*"|"data":".*?"'
+
+#Use this line to see the raw output if the above doesn't work on your system:
+#curl -X GET -H "Authorization: Bearer $ACCESS_TOKEN " "https://api.digitalocean.com/v2/domains/argentwolf.org/records?name=$SUBDOMAIN"

secrets.example

@@ -1,4 +1,6 @@
 ACCESS_TOKEN=your_token
 DOMAIN=example.com
 # The IDs of the record(s) you want to update, separated with spaces
-RECORD_IDS=(12345 23456)
+RECORD4_IDS=(0000000000 0000000000)
+RECORD6_IDS=(0000000000 0000000000)
+

update-dns.sh

@@ -6,14 +6,21 @@
 
 source ./secrets
 
-# Exit if the RECORD_IDS array has no elements
-[ ${#RECORD_IDS[@]} -eq 0 ] && \
-  echo 'RECORD_IDS are missing!' && \
+# Exit if the RECORD6_IDS array has no elements
+[ ${#RECORD4_IDS[@]} -eq 0 ] && \
+  echo 'RECORD4_IDS are missing!' && \
   exit 1
 
+# Exit if the RECORD6_IDS array has no elements
+[ ${#RECORD6_IDS[@]} -eq 0 ] && \
+  echo 'RECORD6_IDS are missing!' && \
+  exit 1
+
+#https://api.digitalocean.com/v2/domains/
+
 # Function to check if the ACCESS_TOKEN is valid
 check_credentials() {
-  response=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer ${ACCESS_TOKEN}" "https://api.digitalocean.com/v2/account")
+  response=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer ${ACCESS_TOKEN}" "https://api.digitalocean.com/v2/domains")
   if [ "$response" != "200" ]; then
     echo "Invalid credentials. Please check your ACCESS_TOKEN."
     exit 1
@@ -24,10 +31,13 @@ check_credentials() {
 check_credentials
 
 
-public_ip=$(curl -s http://checkip.amazonaws.com/)
+public_ip4=$(curl -4 ifconfig.me)
+public_ip6=$(curl ifconfig.me)
+
+echo "Processing IPv4 records..."
 
-for ID in "${RECORD_IDS[@]}"; do
-  local_ip=$(
+for ID4 in "${RECORD4_IDS[@]}"; do
+  local_ip4=$(
     curl \
       --fail \
       --silent \
@@ -39,13 +49,15 @@ for ID in "${RECORD_IDS[@]}"; do
       grep -Eo '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+'
   )
 
+
   # if the IPs are the same just exit
-  if [ "$local_ip" == "$public_ip" ]; then
-    echo "IP has not changed for record ${ID}, skipping."
+  if [ "$local_ip4" == "$public_ip4" ]; then
+    echo "IP has not changed for record ${ID4}, skipping."
     continue
   fi
 
-  echo "Updating DNS record ${ID} with new IP address: ${public_ip}"
+
+  echo "Updating DNS record ${ID4} with new IP address: ${public_ip4}"
   # --fail silently on server errors
   curl \
     --fail \
@@ -54,7 +66,44 @@ for ID in "${RECORD_IDS[@]}"; do
     -X PUT \
     -H "Content-Type: application/json" \
     -H "Authorization: Bearer ${ACCESS_TOKEN}" \
-    -d "{\"data\": \"${public_ip}\"}" \
-    "https://api.digitalocean.com/v2/domains/${DOMAIN}/records/${ID}"
+    -d "{\"data\": \"${public_ip4}\"}" \
+    "https://api.digitalocean.com/v2/domains/${DOMAIN}/records/${ID4}"
+
+
+done
+
+#ipv6 loop
 
+echo "Processing IPv6 records..."
+
+for ID6 in "${RECORD6_IDS[@]}"; do
+  local_ip6=$(
+    curl \
+      --fail \
+      --silent \
+      -X GET \
+      -H "Content-Type: application/json" \
+      -H "Authorization: Bearer ${ACCESS_TOKEN}" \
+      "https://api.digitalocean.com/v2/domains/${DOMAIN}/records/${ID6}" | \
+      grep -Eo '"data":".*?"' | \
+      grep -Eo '(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]).){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]).){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))'
+  )
+
+ # if the IPs are the same just exit
+  if [ "$local_ip6" == "$public_ip6" ]; then
+    echo "IP has not changed for record ${ID6}, skipping."
+    continue
+  fi
+
+ echo "Updating DNS record ${ID6} with new IP address: ${public_ip6}"
+  # --fail silently on server errors
+  curl \
+    --fail \
+    --silent \
+    --output /dev/null \
+    -X PUT \
+    -H "Content-Type: application/json" \
+    -H "Authorization: Bearer ${ACCESS_TOKEN}" \
+    -d "{\"data\": \"${public_ip6}\"}" \
+    "https://api.digitalocean.com/v2/domains/${DOMAIN}/records/${ID6}"
 done