Create cloudflare.sh

ddns/cloudflare.sh

@@ -0,0 +1,88 @@
+#!/usr/bin/env sh
+
+CONFIG=$1
+
+if [ ! -f "$CONFIG" ];then
+    echo "ERROR, CONFIG NOT EXIST."
+    exit 1
+fi
+
+# shellcheck source=/dev/null
+. "$CONFIG"
+
+if [ -f "$LAST_IP_FILE" ];then
+    # shellcheck source=/dev/null
+    . "$LAST_IP_FILE"
+fi
+
+IP=""
+RETRY="0"
+while [ $RETRY -lt 5 ]; do
+    IP=$(curl -s ip.xdty.org)
+    RETRY=$((RETRY+1))
+    if [ -z "$IP" ];then
+        sleep 3
+    else
+        break
+    fi
+done
+
+if [ "$IP" = "$LAST_IP" ];then
+    echo "$(date) -- Already updated."
+    exit 0
+fi
+
+# Optional Parameter
+#EXTERNAL_IP=$(curl -s https://api.ipify.org)
+EXTERNAL_IP="$IP"
+
+# we get them automatically for you
+CF_ZONE_ID=""
+CF_DOMAIN_ID=""
+
+jsonValue() {
+    KEY=$1
+    num=$2
+    awk -F"[,:}]" '{for(i=1;i<=NF;i++){if($i~/'"$KEY"'\042/){print $(i+1)}}}' | tr -d '"' | sed -n "${num}"p
+}
+
+
+getZoneID() {
+  CF_ZONE_ID=$(curl -s \
+    -X GET "https://api.cloudflare.com/client/v4/zones?name=${CF_ZONE_NAME}" \
+    -H "X-Auth-Email: ${CF_EMAIL}" \
+    -H "X-Auth-Key: ${CF_TOKEN}" \
+    -H "Content-Type: application/json"| \
+    jsonValue id 1)
+}
+
+getDomainID() {
+  CF_DOMAIN_ID=$(curl -s \
+    -X GET "https://api.cloudflare.com/client/v4/zones/${CF_ZONE_ID}/dns_records?name=${CF_DOMAIN_NAME}" \
+    -H "X-Auth-Email: ${CF_EMAIL}" \
+    -H "X-Auth-Key: ${CF_TOKEN}" \
+    -H "Content-Type: application/json" | \
+    jsonValue id 1)
+}
+
+updateDomain() {
+  RESULT=$(curl -s \
+    -X PUT "https://api.cloudflare.com/client/v4/zones/${CF_ZONE_ID}/dns_records/${CF_DOMAIN_ID}" \
+    -H "X-Auth-Email: ${CF_EMAIL}" \
+    -H "X-Auth-Key: ${CF_TOKEN}" \
+    -H "Content-Type: application/json" \
+    --data '{"type":"A","name":"'"${CF_DOMAIN_NAME}"'","content":"'"${EXTERNAL_IP}"'","ttl":1,"proxied":false}' | \
+    jsonValue success 1)
+
+    if [ "$RESULT" = "true" ];then
+        echo "$(date) -- Update success"
+        echo "LAST_IP=\"$IP\"" > "$LAST_IP_FILE"
+    else
+        echo "$(date) -- Update failed"
+    fi
+
+}
+
+getZoneID
+getDomainID
+updateDomain