From ae29929714b8cb8e4b7c612a354b56433f8ac47c Mon Sep 17 00:00:00 2001
From: Jens Hartlep <jens@hartlep.email>
Date: Sat, 9 Dec 2017 19:32:53 +0100
Subject: [PATCH 1/6] added dns api for servercow

---
 dnsapi/README.md        |  16 ++++
 dnsapi/dns_servercow.sh | 170 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 186 insertions(+)
 create mode 100755 dnsapi/dns_servercow.sh

diff --git a/dnsapi/README.md b/dnsapi/README.md
index c16e7598..d357c053 100644
--- a/dnsapi/README.md
+++ b/dnsapi/README.md
@@ -635,6 +635,22 @@ acme.sh --issue --dns dns_inwx -d example.com -d www.example.com
 
 The `INWX_User` and `INWX_Password` settings will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
 
+## 34. User Servercow API v1
+
+Create a new user from the servercow control center. Don't forget to activate **DNS API** for this user.
+
+```
+export SERVERCOW_API_Username=username
+export SERVERCOW_API_Password=password
+```
+
+Now you cann issue a cert:
+
+```
+acme.sh --issue --dns dns_servercow -d example.com -d www.example.com
+```
+Both, `SERVERCOW_API_Username` and `SERVERCOW_API_Password` will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
+
 # Use custom API
 
 If your API is not supported yet, you can write your own DNS API.
diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh
new file mode 100755
index 00000000..e7049598
--- /dev/null
+++ b/dnsapi/dns_servercow.sh
@@ -0,0 +1,170 @@
+#!/usr/bin/env sh
+
+##########
+# Custom servercow.de DNS API v1 for use with [acme.sh](https://github.com/Neilpang/acme.sh)
+#
+# Usage:
+# export SERVERCOW_API_Username=username
+# export SERVERCOW_API_Password=password
+# acme.sh --issue -d example.com --dns dns_servercow
+#
+# Issues:
+# Any issues / questions / suggestions can be posted here:
+# https://github.com/jhartlep/servercow-dns-api/issues
+#
+# Author: Jens Hartlep
+##########
+
+SERVERCOW_API="https://api.servercow.de/dns/v1/domains"
+
+# Usage dns_servercow_add _acme-challenge.www.domain.com "abcdefghijklmnopqrstuvwxyz"
+dns_servercow_add() {
+	fulldomain=$1
+	txtvalue=$2
+
+	_info "Using servercow"
+	_debug fulldomain "$fulldomain"
+	_debug txtvalue "$txtvalue"
+
+	SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
+	SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
+	if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
+		SERVERCOW_API_Username=""
+		SERVERCOW_API_Password=""
+		_err "You don't specify servercow api username and password yet."
+		_err "Please create your username and password and try again."
+		return 1
+	fi
+
+	# save the credentials to the account conf file
+	_saveaccountconf_mutable SERVERCOW_API_Username "$SERVERCOW_API_Username"
+	_saveaccountconf_mutable SERVERCOW_API_Password "$SERVERCOW_API_Password"
+
+	_debug "First detect the root zone"
+	if ! _get_root "$fulldomain"; then
+		_err "invalid domain"
+		return 1
+	fi
+
+	_debug _sub_domain "$_sub_domain"
+	_debug _domain "$_domain"
+
+	if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
+		if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+			_info "Added, OK"
+			return 0
+		else
+			_err "add txt record error."
+			return 1
+		fi
+	fi
+	_err "add txt record error."
+
+	return 1
+}
+
+# Usage fulldomain txtvalue
+# Remove the txt record after validation
+dns_servercow_rm() {
+	fulldomain=$1
+	txtvalue=$2
+
+	_info "Using servercow"
+	_debug fulldomain "$fulldomain"
+	_debug txtvalue "$fulldomain"
+
+	SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
+	SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
+	if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
+                SERVERCOW_API_Username=""
+                SERVERCOW_API_Password=""
+                _err "You don't specify servercow api username and password yet."
+                _err "Please create your username and password and try again."
+                return 1
+        fi
+
+	_debug "First detect the root zone"
+	if ! _get_root "$fulldomain"; then
+		_err "invalid domain"
+		return 1
+	fi
+
+	_debug _sub_domain "$_sub_domain"
+	_debug _domain "$_domain"
+
+	if _servercow_api DELETE "$_domain"  "{\"type\":\"TXT\",\"name\":\"$fulldomain\"}"; then
+		if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+			_info "Deleted, OK"
+			_contains "$response" '"message":"ok"'
+		else
+			_err "delete txt record error."
+			return 1
+		fi
+	fi
+
+}
+
+####################  Private functions below ##################################
+
+# _acme-challenge.www.domain.com
+# returns
+#  _sub_domain=_acme-challenge.www
+#  _domain=domain.com
+_get_root() {
+	fulldomain=$1
+	i=2
+	p=1
+
+	while true; do
+		_domain=$(printf "%s" "$fulldomain" | cut -d . -f $i-100)
+
+		_debug _domain "$_domain"
+		if [ -z "$_domain" ]; then
+			# not valid
+			return 1
+		fi
+
+		if ! _servercow_api GET "$_domain"; then
+			return 1
+		fi
+
+		if ! _contains "$response" '"error":"no such domain in user context"' > /dev/null; then
+			_sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-$p)
+			if [ -z "$_sub_domain" ]; then
+				# not valid
+				return 1
+			fi
+
+			return 0
+		fi
+
+		p=$i
+		i=$(_math "$i" + 1)
+	done;
+
+	return 1
+}
+
+_servercow_api() {
+	method=$1
+	domain=$2
+	data="$3"
+
+	export _H1="Content-Type: application/json"
+	export _H2="X-Auth-Username: $SERVERCOW_API_Username"
+	export _H3="X-Auth-Password: $SERVERCOW_API_Password"
+
+	if [ "$method" != "GET" ]; then
+		_debug data "$data"
+		response="$(_post "$data" "$SERVERCOW_API/$domain" "" "$method")"
+	else
+		response="$(_get "$SERVERCOW_API/$domain")"
+	fi
+
+	if [ "$?" != "0" ]; then
+		_err "error $domain"
+		return 1
+	fi
+	_debug2 response "$response"
+	return 0
+}

From b140e2553bdfce40b99fb3ecd246ef3e64d33d42 Mon Sep 17 00:00:00 2001
From: Jens Hartlep <jens@hartlep.email>
Date: Sat, 9 Dec 2017 19:33:48 +0100
Subject: [PATCH 2/6] added Servercow to supported list

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index eb122917..5574b67a 100644
--- a/README.md
+++ b/README.md
@@ -341,7 +341,7 @@ You don't have to do anything manually!
 1. Hurricane Electric DNS service (https://dns.he.net)
 1. UnoEuro API (https://www.unoeuro.com/)
 1. INWX (https://www.inwx.de/)
-
+1. Servercow (https://servercow.de)
 
 And: 
 

From 488745f3783e767adf5421b20ff96fc82aae9a37 Mon Sep 17 00:00:00 2001
From: Jens <jhartlep@users.noreply.github.com>
Date: Sat, 9 Dec 2017 20:05:05 +0100
Subject: [PATCH 3/6] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 5574b67a..0d942757 100644
--- a/README.md
+++ b/README.md
@@ -343,6 +343,7 @@ You don't have to do anything manually!
 1. INWX (https://www.inwx.de/)
 1. Servercow (https://servercow.de)
 
+
 And: 
 
 1. lexicon DNS API: https://github.com/Neilpang/acme.sh/wiki/How-to-use-lexicon-dns-api

From 1c9b19833cf0ebd0087f171f9f3f5cf24fc96ecc Mon Sep 17 00:00:00 2001
From: Jens <jhartlep@users.noreply.github.com>
Date: Sat, 9 Dec 2017 20:14:46 +0100
Subject: [PATCH 4/6] Update dns_servercow.sh

replaced tab with space
---
 dnsapi/dns_servercow.sh | 216 ++++++++++++++++++++--------------------
 1 file changed, 108 insertions(+), 108 deletions(-)

diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh
index e7049598..3ffc393e 100755
--- a/dnsapi/dns_servercow.sh
+++ b/dnsapi/dns_servercow.sh
@@ -19,88 +19,88 @@ SERVERCOW_API="https://api.servercow.de/dns/v1/domains"
 
 # Usage dns_servercow_add _acme-challenge.www.domain.com "abcdefghijklmnopqrstuvwxyz"
 dns_servercow_add() {
-	fulldomain=$1
-	txtvalue=$2
+  fulldomain=$1
+  txtvalue=$2
 
-	_info "Using servercow"
-	_debug fulldomain "$fulldomain"
-	_debug txtvalue "$txtvalue"
+  _info "Using servercow"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
 
-	SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
-	SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
-	if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
-		SERVERCOW_API_Username=""
-		SERVERCOW_API_Password=""
-		_err "You don't specify servercow api username and password yet."
-		_err "Please create your username and password and try again."
-		return 1
-	fi
+  SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
+  SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
+  if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
+    SERVERCOW_API_Username=""
+    SERVERCOW_API_Password=""
+    _err "You don't specify servercow api username and password yet."
+    _err "Please create your username and password and try again."
+    return 1
+  fi
 
-	# save the credentials to the account conf file
-	_saveaccountconf_mutable SERVERCOW_API_Username "$SERVERCOW_API_Username"
-	_saveaccountconf_mutable SERVERCOW_API_Password "$SERVERCOW_API_Password"
+  # save the credentials to the account conf file
+  _saveaccountconf_mutable SERVERCOW_API_Username "$SERVERCOW_API_Username"
+  _saveaccountconf_mutable SERVERCOW_API_Password "$SERVERCOW_API_Password"
 
-	_debug "First detect the root zone"
-	if ! _get_root "$fulldomain"; then
-		_err "invalid domain"
-		return 1
-	fi
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
 
-	_debug _sub_domain "$_sub_domain"
-	_debug _domain "$_domain"
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
 
-	if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
-		if printf -- "%s" "$response" | grep "ok" > /dev/null; then
-			_info "Added, OK"
-			return 0
-		else
-			_err "add txt record error."
-			return 1
-		fi
-	fi
-	_err "add txt record error."
+  if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
+    if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+      _info "Added, OK"
+      return 0
+    else
+      _err "add txt record error."
+      return 1
+    fi
+  fi
+  _err "add txt record error."
 
-	return 1
+  return 1
 }
 
 # Usage fulldomain txtvalue
 # Remove the txt record after validation
 dns_servercow_rm() {
-	fulldomain=$1
-	txtvalue=$2
+  fulldomain=$1
+  txtvalue=$2
 
-	_info "Using servercow"
-	_debug fulldomain "$fulldomain"
-	_debug txtvalue "$fulldomain"
+  _info "Using servercow"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$fulldomain"
 
-	SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
-	SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
-	if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
-                SERVERCOW_API_Username=""
-                SERVERCOW_API_Password=""
-                _err "You don't specify servercow api username and password yet."
-                _err "Please create your username and password and try again."
-                return 1
-        fi
+  SERVERCOW_API_Username="${SERVERCOW_API_Username:-$(_readaccountconf_mutable SERVERCOW_API_Username)}"
+  SERVERCOW_API_Password="${SERVERCOW_API_Password:-$(_readaccountconf_mutable SERVERCOW_API_Password)}"
+  if [ -z "$SERVERCOW_API_Username" ] || [ -z "$SERVERCOW_API_Password" ]; then
+    SERVERCOW_API_Username=""
+    SERVERCOW_API_Password=""
+    _err "You don't specify servercow api username and password yet."
+    _err "Please create your username and password and try again."
+    return 1
+  fi
 
-	_debug "First detect the root zone"
-	if ! _get_root "$fulldomain"; then
-		_err "invalid domain"
-		return 1
-	fi
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
 
-	_debug _sub_domain "$_sub_domain"
-	_debug _domain "$_domain"
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
 
-	if _servercow_api DELETE "$_domain"  "{\"type\":\"TXT\",\"name\":\"$fulldomain\"}"; then
-		if printf -- "%s" "$response" | grep "ok" > /dev/null; then
-			_info "Deleted, OK"
-			_contains "$response" '"message":"ok"'
-		else
-			_err "delete txt record error."
-			return 1
-		fi
-	fi
+  if _servercow_api DELETE "$_domain"  "{\"type\":\"TXT\",\"name\":\"$fulldomain\"}"; then
+    if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+      _info "Deleted, OK"
+      _contains "$response" '"message":"ok"'
+    else
+      _err "delete txt record error."
+      return 1
+    fi
+  fi
 
 }
 
@@ -111,60 +111,60 @@ dns_servercow_rm() {
 #  _sub_domain=_acme-challenge.www
 #  _domain=domain.com
 _get_root() {
-	fulldomain=$1
-	i=2
-	p=1
+  fulldomain=$1
+  i=2
+  p=1
 
-	while true; do
-		_domain=$(printf "%s" "$fulldomain" | cut -d . -f $i-100)
+  while true; do
+    _domain=$(printf "%s" "$fulldomain" | cut -d . -f $i-100)
 
-		_debug _domain "$_domain"
-		if [ -z "$_domain" ]; then
-			# not valid
-			return 1
-		fi
+    _debug _domain "$_domain"
+    if [ -z "$_domain" ]; then
+      # not valid
+      return 1
+    fi
 
-		if ! _servercow_api GET "$_domain"; then
-			return 1
-		fi
+    if ! _servercow_api GET "$_domain"; then
+      return 1
+    fi
 
-		if ! _contains "$response" '"error":"no such domain in user context"' > /dev/null; then
-			_sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-$p)
-			if [ -z "$_sub_domain" ]; then
-				# not valid
-				return 1
-			fi
+    if ! _contains "$response" '"error":"no such domain in user context"' > /dev/null; then
+      _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-$p)
+      if [ -z "$_sub_domain" ]; then
+        # not valid
+        return 1
+      fi
 
-			return 0
-		fi
+      return 0
+    fi
 
-		p=$i
-		i=$(_math "$i" + 1)
-	done;
+    p=$i
+    i=$(_math "$i" + 1)
+  done;
 
-	return 1
+  return 1
 }
 
 _servercow_api() {
-	method=$1
-	domain=$2
-	data="$3"
+  method=$1
+  domain=$2
+  data="$3"
 
-	export _H1="Content-Type: application/json"
-	export _H2="X-Auth-Username: $SERVERCOW_API_Username"
-	export _H3="X-Auth-Password: $SERVERCOW_API_Password"
+  export _H1="Content-Type: application/json"
+  export _H2="X-Auth-Username: $SERVERCOW_API_Username"
+  export _H3="X-Auth-Password: $SERVERCOW_API_Password"
 
-	if [ "$method" != "GET" ]; then
-		_debug data "$data"
-		response="$(_post "$data" "$SERVERCOW_API/$domain" "" "$method")"
-	else
-		response="$(_get "$SERVERCOW_API/$domain")"
-	fi
+  if [ "$method" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$SERVERCOW_API/$domain" "" "$method")"
+  else
+    response="$(_get "$SERVERCOW_API/$domain")"
+  fi
 
-	if [ "$?" != "0" ]; then
-		_err "error $domain"
-		return 1
-	fi
-	_debug2 response "$response"
-	return 0
+  if [ "$?" != "0" ]; then
+    _err "error $domain"
+    return 1
+  fi
+  _debug2 response "$response"
+  return 0
 }

From 8101aceab5dad0ac83c8446380d814d77f44fecf Mon Sep 17 00:00:00 2001
From: Jens <jhartlep@users.noreply.github.com>
Date: Sat, 9 Dec 2017 20:18:05 +0100
Subject: [PATCH 5/6] Update dns_servercow.sh

fixed remaining issues from shellcheck
---
 dnsapi/dns_servercow.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh
index 3ffc393e..872ae58c 100755
--- a/dnsapi/dns_servercow.sh
+++ b/dnsapi/dns_servercow.sh
@@ -50,7 +50,7 @@ dns_servercow_add() {
   _debug _domain "$_domain"
 
   if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
-    if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+    if printf -- "%s" "$response" | grep "ok" >/dev/null; then
       _info "Added, OK"
       return 0
     else
@@ -92,8 +92,8 @@ dns_servercow_rm() {
   _debug _sub_domain "$_sub_domain"
   _debug _domain "$_domain"
 
-  if _servercow_api DELETE "$_domain"  "{\"type\":\"TXT\",\"name\":\"$fulldomain\"}"; then
-    if printf -- "%s" "$response" | grep "ok" > /dev/null; then
+  if _servercow_api DELETE "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\"}"; then
+    if printf -- "%s" "$response" | grep "ok" >/dev/null; then
       _info "Deleted, OK"
       _contains "$response" '"message":"ok"'
     else
@@ -140,7 +140,7 @@ _get_root() {
 
     p=$i
     i=$(_math "$i" + 1)
-  done;
+  done
 
   return 1
 }

From a95ccc7e4cecd7fa92144dc8af7bca5ffccb107a Mon Sep 17 00:00:00 2001
From: Jens <jhartlep@users.noreply.github.com>
Date: Sat, 9 Dec 2017 20:22:09 +0100
Subject: [PATCH 6/6] Update dns_servercow.sh

... didn't see this line in spellcheck ... :S
---
 dnsapi/dns_servercow.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh
index 872ae58c..be4e59da 100755
--- a/dnsapi/dns_servercow.sh
+++ b/dnsapi/dns_servercow.sh
@@ -128,7 +128,7 @@ _get_root() {
       return 1
     fi
 
-    if ! _contains "$response" '"error":"no such domain in user context"' > /dev/null; then
+    if ! _contains "$response" '"error":"no such domain in user context"' >/dev/null; then
       _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-$p)
       if [ -z "$_sub_domain" ]; then
         # not valid