1
sudo apt-get install curl jq -y

1
#!/bin/bash
2

3
# Cloudflare管理域名解析记录的脚本
4

5
# 获取Cloudflare API密钥
6
API_TOKEN="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
7

8
# 获取要管理的域的区域ID
9
ZONE_ID="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
10

11
# 要管理的域名
12
DOMAIN_NAME="xxx.com"
13

14
# 要添加或更新的DNS记录类型
15
RECORD_TYPE="AAAA"
16

17
# 指定要更新的IP地址
18
IP_ADDRESS=`ip -6 addr | grep "inet6.*global" | grep -v "deprecated" | awk '{print $2}' | awk -F"/" '{print $1}' | sed -n '1,1p'`
19
echo "获取 IPv6 : $IP_ADDRESS"
20

21
# 设置DNS解析记录文件
22
DNS_RECORD_JSON="$HOME/cfdns/dns_record.json"
23
UPDATE_JSON="$HOME/cfdns/update_record.json"
24
ADD_JSON="$HOME/cfdns/add_record.json"
25

26
# 获取现有的DNS记录，找到匹配的记录
27
curl -X GET "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records?type=$RECORD_TYPE&name=$DOMAIN_NAME" \
28
     -H "Authorization: Bearer $API_TOKEN" \
29
     -H "Content-Type: application/json" \
30
     -s -o "$DNS_RECORD_JSON"
31

32
# 提取现有的记录ID
33
RECORD_ID=$(jq -r '.result[0].id' "$DNS_RECORD_JSON")
34

35
if [[ -n "$RECORD_ID" && "$RECORD_ID" != "null" ]]; then
36
  echo "找到现有的DNS记录，正在更新..."
37

38
  # 使用现有的记录ID直接更新记录
39
  curl -X PUT "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$RECORD_ID" \
40
       -H "Authorization: Bearer $API_TOKEN" \
41
       -H "Content-Type: application/json" \
42
       -d '{
43
             "type": "'"$RECORD_TYPE"'",
44
             "name": "'"$DOMAIN_NAME"'",
45
             "content": "'"$IP_ADDRESS"'",
46
             "ttl": 0,
47
             "proxied": false
48
           }' \
49
       -s -o "$UPDATE_JSON"
50

51
  # 检查更新记录的结果
52
  UPDATE_SUCCESS=$(jq -r '.success' "$UPDATE_JSON")
53

54
  if [ "$UPDATE_SUCCESS" = "true" ]; then
55
    echo "IP地址 $IP_ADDRESS 的DNS解析记录更新成功。"
56
  else
57
    echo "IP地址 $IP_ADDRESS 的DNS解析记录更新失败。"
58
    jq -r '.errors[] | .message' "$UPDATE_JSON"
59
  fi
60

61
else
62
  echo "未找到匹配的DNS记录，正在添加新记录..."
63

64
  # 添加新的DNS记录
65
  curl -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \
66
       -H "Authorization: Bearer $API_TOKEN" \
67
       -H "Content-Type: application/json" \
68
       -d '{
69
             "type": "'"$RECORD_TYPE"'",
70
             "name": "'"$DOMAIN_NAME"'",
71
             "content": "'"$IP_ADDRESS"'",
72
             "ttl": 0,
73
             "proxied": false
74
           }' \
75
       -s -o "$ADD_JSON"
76

77
  # 检查添加记录的结果
78
  ADD_SUCCESS=$(jq -r '.success' "$ADD_JSON")
79

80
  if [ "$ADD_SUCCESS" = "true" ]; then
81
    echo "IP地址 $IP_ADDRESS 的DNS解析记录添加成功。"
82
  else
83
    echo "IP地址 $IP_ADDRESS 的DNS解析记录添加失败。"
84
    jq -r '.errors[] | .message' "$ADD_JSON"
85
  fi
86
fi