feat(publicip/http): add multiple providers for all IP versions

- icanhazip
- ident
- nnev
- wtfismyip

.github/workflows/configs/mlc-config.json

@@ -22,7 +22,7 @@
       "pattern": "https://www.linode.com/docs/products/tools/api/guides/manage-api-tokens/"
     },
     {
-      "pattern": "https://ipv6.ipleak.net/json"
+      "pattern": "https://(ip|ipv|v)6.+"
     },
     {
       "pattern": "https://github.com/qdm12/ddns-updater/pkgs/container/ddns-updater"

README.md

@@ -277,14 +277,26 @@ You can otherwise customize it with the following:
   - `google` using [https://domains.google.com/checkip](https://domains.google.com/checkip)
   - `spdyn` using [https://checkip.spdyn.de](https://checkip.spdyn.de/)
   - `ipleak` using [https://ipleak.net/json](https://ipleak.net/json)
+  - `icanhazip` using [https://icanhazip.com](https://icanhazip.com)
+  - `ident` using [https://ident.me](https://ident.me)
+  - `nnev` using [https://ip.nnev.de](https://ip.nnev.de)
+  - `wtfismyip` using [https://wtfismyip.com/text](https://wtfismyip.com/text)
   - You can also specify an HTTPS URL such as `https://ipinfo.io/ip`
 - `PUBLICIPV4_HTTP_PROVIDERS` gets your public IPv4 address only. It can be one or more of the following:
   - `ipleak` using [https://ipv4.ipleak.net/json](https://ipv4.ipleak.net/json)
   - `ipify` using [https://api.ipify.org](https://api.ipify.org)
+  - `icanhazip` using [https://ipv4.icanhazip.com](https://ipv4.icanhazip.com)
+  - `ident` using [https://v4.ident.me](https://v4.ident.me)
+  - `nnev` using [https://ip4.nnev.de](https://ip4.nnev.de)
+  - `wtfismyip` using [https://ipv4.wtfismyip.com/text](https://ipv4.wtfismyip.com/text)
   - You can also specify an HTTPS URL such as `https://ipinfo.io/ip`
 - `PUBLICIPV6_HTTP_PROVIDERS` gets your public IPv6 address only. It can be one or more of the following:
   - `ipleak` using [https://ipv6.ipleak.net/json](https://ipv6.ipleak.net/json)
   - `ipify` using [https://api6.ipify.org](https://api6.ipify.org)
+  - `icanhazip` using [https://ipv6.icanhazip.com](https://ipv6.icanhazip.com)
+  - `ident` using [https://v6.ident.me](https://v6.ident.me)
+  - `nnev` using [https://ip6.nnev.de](https://ip6.nnev.de)
+  - `wtfismyip` using [https://ipv6.wtfismyip.com/text](https://ipv6.wtfismyip.com/text)
   - You can also specify an HTTPS URL such as `https://ipinfo.io/ip`
 - `PUBLICIP_DNS_PROVIDERS` gets your public IPv4 address only or IPv6 address only or one of them (see #136). It can be one or more of the following:
   - `cloudflare`

pkg/publicip/http/providers.go

@@ -12,12 +12,16 @@ import (
 type Provider string
 
 const (
-	Google   Provider = "google"
-	Ifconfig Provider = "ifconfig"
-	Ipify    Provider = "ipify"
-	Ipinfo   Provider = "ipinfo"
-	Spdyn    Provider = "spdyn"
-	Ipleak   Provider = "ipleak"
+	Google    Provider = "google"
+	Ifconfig  Provider = "ifconfig"
+	Ipify     Provider = "ipify"
+	Ipinfo    Provider = "ipinfo"
+	Spdyn     Provider = "spdyn"
+	Ipleak    Provider = "ipleak"
+	Icanhazip Provider = "icanhazip"
+	Ident     Provider = "ident"
+	Nnev      Provider = "nnev"
+	Wtfismyip Provider = "wtfismyip"
 )
 
 func ListProviders() []Provider {
@@ -72,6 +76,14 @@ func (provider Provider) url(version ipversion.IPVersion) (url string, ok bool)
 			url = "https://api.ipify.org"
 		case Ipleak:
 			url = "https://ipv4.ipleak.net/json"
+		case Icanhazip:
+			url = "https://ipv4.icanhazip.com"
+		case Ident:
+			url = "https://v4.ident.me"
+		case Nnev:
+			url = "https://ip4.nnev.de"
+		case Wtfismyip:
+			url = "https://ipv4.wtfismyip.com/text"
 		}
 
 	case ipversion.IP6:
@@ -80,6 +92,14 @@ func (provider Provider) url(version ipversion.IPVersion) (url string, ok bool)
 			url = "https://api6.ipify.org"
 		case Ipleak:
 			url = "https://ipv6.ipleak.net/json"
+		case Icanhazip:
+			url = "https://ipv6.icanhazip.com"
+		case Ident:
+			url = "https://v6.ident.me"
+		case Nnev:
+			url = "https://ip6.nnev.de"
+		case Wtfismyip:
+			url = "https://ipv6.wtfismyip.com/text"
 		}
 
 	case ipversion.IP4or6:
@@ -96,6 +116,14 @@ func (provider Provider) url(version ipversion.IPVersion) (url string, ok bool)
 			url = "https://checkip.spdyn.de"
 		case Ipleak:
 			url = "https://ipleak.net/json"
+		case Icanhazip:
+			url = "https://icanhazip.com"
+		case Ident:
+			url = "https://ident.me"
+		case Nnev:
+			url = "https://ip.nnev.de"
+		case Wtfismyip:
+			url = "https://wtfismyip.com/text"
 		}
 	}