From fd4fef9798422af654f0b894539fe74fadd30cbf Mon Sep 17 00:00:00 2001
From: Recolic Keghart <root@recolic.net>
Date: Sun, 26 Jun 2022 21:51:11 +0800
Subject: [PATCH] make ppl happy

---
 dnsapi/dns_freemyip.sh | 83 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100755 dnsapi/dns_freemyip.sh

diff --git a/dnsapi/dns_freemyip.sh b/dnsapi/dns_freemyip.sh
new file mode 100755
index 00000000..30cfcd80
--- /dev/null
+++ b/dnsapi/dns_freemyip.sh
@@ -0,0 +1,83 @@
+#!/usr/bin/env sh
+#
+# Author: Recolic Keghart <root@recolic.net>
+#
+########  Public functions #####################
+
+[ -z "$FREEMYIP_Token" ] && FREEMYIP_Token="05ddb54360621d37dea67259"
+freemyip_prevdomain_tmpfile=/tmp/.acme-sh-freemyip-prevdomain
+
+# Note: this script was executed in subshell. It means all env would be cleanup, and EXIT event would be called between different domain names.
+
+# There is random failure while calling freemyip API too fast. This function automatically retry until success.
+freemyip_get_until_ok() {
+  _fmi_url="$1"
+  for i in $(seq 1 8); do
+    _debug "HTTP GET freemyip.com API '$_fmi_url', retry $i/8..."
+    _get "$_fmi_url" | tee /dev/fd/2 | grep OK && return 0
+    sleep 1 # DO NOT send the request too fast
+  done
+  _err "Failed to request freemyip API: $_fmi_url . Server does not say 'OK'"
+  return 2
+}
+
+#Usage: dns_freemyip_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_freemyip_add() {
+  fulldomain="$1"
+  txtvalue="$2"
+
+  _info "Add TXT record $txtvalue for $fulldomain using freemyip.com api"
+
+  FREEMYIP_Token="${FREEMYIP_Token:-$(_readaccountconf_mutable FREEMYIP_Token)}"
+  if [ -z "$FREEMYIP_Token" ]; then
+    FREEMYIP_Token=""
+    _err "You don't specify FREEMYIP_Token yet."
+    _err "Please specify your token and try again."
+    return 1
+  fi
+
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable FREEMYIP_Token "$FREEMYIP_Token"
+
+  if [ ! -f "$freemyip_prevdomain_tmpfile" ]; then
+    echo "$fulldomain" >"$freemyip_prevdomain_tmpfile"
+  else
+    _err "freemyip API don't allow you to set multiple TXT record for the same subdomain! "
+    _err "You must apply certificate for only one domain at a time! "
+    _err "===="
+    _err "For example, aaa.yourdomain.freemyip.com and bbb.yourdomain.freemyip.com and yourdomain.freemyip.com ALWAYS share the same TXT record. They will overwrite each other if you apply multiple domain at the same time. "
+    _err "(You are trying to set TXT record for $fulldomain, but it will overwrite $(cat "$freemyip_prevdomain_tmpfile"))"
+    _debug "If you are testing this workflow in github pipeline or acmetest, please set TEST_DNS_NO_SUBDOMAIN=1 and TEST_DNS_NO_WILDCARD=1"
+    rm -f "$freemyip_prevdomain_tmpfile"
+    return 2
+  fi
+
+  # txtvalue must be url-encoded. But it's not necessary for acme txt value.
+  freemyip_get_until_ok "https://freemyip.com/update?token=$FREEMYIP_Token&domain=$fulldomain&txt=$txtvalue" 2>&1
+  return $?
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_freemyip_rm() {
+  fulldomain="$1"
+  txtvalue="$2"
+
+  _info "Delete TXT record $txtvalue for $fulldomain using freemyip.com api"
+  rm -f "$freemyip_prevdomain_tmpfile"
+
+  FREEMYIP_Token="${FREEMYIP_Token:-$(_readaccountconf_mutable FREEMYIP_Token)}"
+  if [ -z "$FREEMYIP_Token" ]; then
+    FREEMYIP_Token=""
+    _err "You don't specify FREEMYIP_Token yet."
+    _err "Please specify your token and try again."
+    return 1
+  fi
+
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable FREEMYIP_Token "$FREEMYIP_Token"
+
+  # Leave the TXT record as empty or "null" to delete the record.
+  freemyip_get_until_ok "https://freemyip.com/update?token=$FREEMYIP_Token&domain=$fulldomain&txt=" 2>&1
+  return $?
+}