From 3abcfd8fa926fb1ee03b45826f8a12644e63ff05 Mon Sep 17 00:00:00 2001
From: KincaidYang <91786638+KincaidYang@users.noreply.github.com>
Date: Sat, 2 Sep 2023 18:47:59 +0800
Subject: [PATCH 1/5] Add dns_tencent.sh

Adapt to Tencent Cloud (DNSPod) API 3.0
---
 dnsapi/dns_tencent.sh | 210 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 210 insertions(+)
 create mode 100644 dnsapi/dns_tencent.sh

diff --git a/dnsapi/dns_tencent.sh b/dnsapi/dns_tencent.sh
new file mode 100644
index 00000000..b4b4cb24
--- /dev/null
+++ b/dnsapi/dns_tencent.sh
@@ -0,0 +1,210 @@
+#!/usr/bin/env sh
+Tencent_API="https://dnspod.tencentcloudapi.com"
+
+#Tencent_SecretId="AKIDz81d2cd22cdcdc2dcd1cc1d1A"
+#Tencent_SecretKey="Gu5t9abcabcaabcbabcbbbcbcbbccbbcb"
+
+#Usage: dns_tencent_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_tencent_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  Tencent_SecretId="${Tencent_SecretId:-$(_readaccountconf_mutable Tencent_SecretId)}"
+  Tencent_SecretKey="${Tencent_SecretKey:-$(_readaccountconf_mutable Tencent_SecretKey)}"
+  if [ -z "$Tencent_SecretId" ] || [ -z "$Tencent_SecretKey" ]; then
+    Tencent_SecretId=""
+    Tencent_SecretKey=""
+    _err "You don't specify tencent api SecretId and SecretKey yet."
+    return 1
+  fi
+
+  #save the api SecretId and SecretKey to the account conf file.
+  _saveaccountconf_mutable Tencent_SecretId "$Tencent_SecretId"
+  _saveaccountconf_mutable Tencent_SecretKey "$Tencent_SecretKey"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+
+  _debug "Add record"
+  _add_record_query "$_domain" "$_sub_domain" "$txtvalue" && _tencent_rest "CreateRecord"
+}
+
+dns_tencent_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  Tencent_SecretId="${Tencent_SecretId:-$(_readaccountconf_mutable Tencent_SecretId)}"
+  Tencent_SecretKey="${Tencent_SecretKey:-$(_readaccountconf_mutable Tencent_SecretKey)}"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+
+  _debug "Get record list"
+  attempt=1
+  max_attempts=5
+  while [ -z "$record_id" ] && [ $attempt -le $max_attempts ]; do
+    _check_exist_query "$_domain" "$_sub_domain" "$txtvalue" && _tencent_rest "DescribeRecordFilterList"
+    record_id="$(echo "$response" | _egrep_o "\"RecordId\":\s*[0-9]+" | _egrep_o "[0-9]+")"
+    _debug2 record_id "$record_id"
+    if [ -z "$record_id" ]; then
+      _debug "Due to TencentCloud API synchronization delay, record not found, waiting 10 seconds and retrying"
+      sleep 10
+      attempt=$((attempt + 1))
+    fi
+  done
+
+  record_id="$(echo "$response" | _egrep_o "\"RecordId\":\s*[0-9]+" | _egrep_o "[0-9]+")"
+  _debug2 record_id "$record_id"
+
+  if [ -z "$record_id" ]; then
+    _debug "record not found after $max_attempts attempts, skip"
+  else
+    _debug "Delete record"
+    _delete_record_query "$record_id" && _tencent_rest "DeleteRecord"
+  fi
+}
+
+####################  Private functions below ##################################
+
+_get_root() {
+  domain=$1
+  i=2
+  p=1
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
+    if [ -z "$h" ]; then
+      #not valid
+      return 1
+    fi
+
+    _describe_records_query "$h" "@"
+    if ! _tencent_rest "DescribeRecordList" "ignore"; then
+      return 1
+    fi
+
+    if _contains "$response" "\"TotalCount\":"; then
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
+      _debug _sub_domain "$_sub_domain"
+      _domain="$h"
+      _debug _domain "$_domain"
+      return 0
+    fi
+    p="$i"
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}
+
+_tencent_rest() {
+  action=$1
+  service="dnspod"
+  payload="${query}"
+  timestamp=$(date -u +%s)
+
+  token=$(tencent_signature_v3 $service "$action" "$payload" "$timestamp")
+  version="2021-03-23"
+
+  if ! response="$(tencent_api_request $service $version "$action" "$payload" "$timestamp")"; then
+    _err "Error <$1>"
+    return 1
+  fi
+
+  _debug2 response "$response"
+  if [ -z "$2" ]; then
+    message="$(echo "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
+    if [ "$message" ]; then
+      _err "$message"
+      return 1
+    fi
+  fi
+}
+
+_add_record_query() {
+  query="{\"Domain\":\"$1\",\"SubDomain\":\"$2\",\"RecordType\":\"TXT\",\"RecordLineId\":\"0\",\"RecordLine\":\"0\",\"Value\":\"$3\",\"TTL\":600}"
+}
+
+_describe_records_query() {
+  query="{\"Domain\":\"$1\",\"Limit\":3000}"
+}
+
+_delete_record_query() {
+  query="{\"Domain\":\"$_domain\",\"RecordId\":$1}"
+}
+
+_check_exist_query() {
+  _domain="$1"
+  _subdomain="$2"
+  _value="$3"
+  query="{\"Domain\":\"$_domain\",\"SubDomain\":\"$_subdomain\",\"RecordValue\":\"$_value\"}"
+}
+
+# shell client for tencent cloud api v3 | @author: rehiy
+
+tencent_sha256() {
+  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -hex | sed 's/^.* //'
+}
+
+tencent_hmac_sha256() {
+  k=$1
+  shift
+  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -hmac "$k" | sed 's/^.* //'
+}
+
+tencent_hmac_sha256_hexkey() {
+  k=$1
+  shift
+  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -mac HMAC -macopt "hexkey:$k" | sed 's/^.* //'
+}
+
+tencent_signature_v3() {
+  service=$1
+  action=$(echo "$2" | tr '[:upper:]' '[:lower:]')
+  payload=${3:-'{}'}
+  timestamp=${4:-$(date +%s)}
+
+  domain="$service.tencentcloudapi.com"
+  secretId=${Tencent_SecretId:-'tencent-cloud-secret-id'}
+  secretKey=${Tencent_SecretKey:-'tencent-cloud-secret-key'}
+
+  algorithm='TC3-HMAC-SHA256'
+  date=$(date -u -d "@$timestamp" +%Y-%m-%d 2>/dev/null)
+  [ -z "$date" ] && date=$(date -u -r "$timestamp" +%Y-%m-%d)
+
+  canonicalUri='/'
+  canonicalQuery=''
+  canonicalHeaders="content-type:application/json\nhost:$domain\nx-tc-action:$action\n"
+
+  signedHeaders='content-type;host;x-tc-action'
+  canonicalRequest="POST\n$canonicalUri\n$canonicalQuery\n$canonicalHeaders\n$signedHeaders\n$(tencent_sha256 "$payload")"
+
+  credentialScope="$date/$service/tc3_request"
+  stringToSign="$algorithm\n$timestamp\n$credentialScope\n$(tencent_sha256 "$canonicalRequest")"
+
+  secretDate=$(tencent_hmac_sha256 "TC3$secretKey" "$date")
+  secretService=$(tencent_hmac_sha256_hexkey "$secretDate" "$service")
+  secretSigning=$(tencent_hmac_sha256_hexkey "$secretService" 'tc3_request')
+  signature=$(tencent_hmac_sha256_hexkey "$secretSigning" "$stringToSign")
+
+  echo "$algorithm Credential=$secretId/$credentialScope, SignedHeaders=$signedHeaders, Signature=$signature"
+}
+
+tencent_api_request() {
+  service=$1
+  version=$2
+  action=$3
+  payload=${4:-'{}'}
+  timestamp=${5:-$(date +%s)}
+
+  token=$(tencent_signature_v3 "$service" "$action" "$payload" "$timestamp")
+
+  _H1="Content-Type: application/json"
+  _H2="Authorization: $token"
+  _H3="X-TC-Version: $version"
+  _H4="X-TC-Timestamp: $timestamp"
+  _H5="X-TC-Action: $action"
+
+  _post "$payload" "$Tencent_API" "" "POST" "application/json"
+}

From b3f8612e6128d186359d0b0b91dcb8ee2683dc8f Mon Sep 17 00:00:00 2001
From: KincaidYang <91786638+KincaidYang@users.noreply.github.com>
Date: Sun, 3 Sep 2023 01:31:57 +0800
Subject: [PATCH 2/5] Following Neilpang's suggestions and project standards,
 replace some functions.

---
 dnsapi/dns_tencent.sh | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/dnsapi/dns_tencent.sh b/dnsapi/dns_tencent.sh
index b4b4cb24..746f00f0 100644
--- a/dnsapi/dns_tencent.sh
+++ b/dnsapi/dns_tencent.sh
@@ -51,7 +51,7 @@ dns_tencent_rm() {
     _debug2 record_id "$record_id"
     if [ -z "$record_id" ]; then
       _debug "Due to TencentCloud API synchronization delay, record not found, waiting 10 seconds and retrying"
-      sleep 10
+      _sleep 10
       attempt=$((attempt + 1))
     fi
   done
@@ -71,7 +71,7 @@ dns_tencent_rm() {
 
 _get_root() {
   domain=$1
-  i=2
+  i=1
   p=1
   while true; do
     h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
@@ -144,19 +144,20 @@ _check_exist_query() {
 # shell client for tencent cloud api v3 | @author: rehiy
 
 tencent_sha256() {
-  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -hex | sed 's/^.* //'
+  printf %b "$@" | _digest sha256 hex
 }
 
 tencent_hmac_sha256() {
   k=$1
   shift
-  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -hmac "$k" | sed 's/^.* //'
+  hex_key=$(_ascii_hex "$k" | tr -d ' ')
+  printf %b "$@" | _hmac sha256 "$hex_key" hex
 }
 
 tencent_hmac_sha256_hexkey() {
   k=$1
   shift
-  printf %b "$@" | ${ACME_OPENSSL_BIN:-openssl} dgst -sha256 -mac HMAC -macopt "hexkey:$k" | sed 's/^.* //'
+  printf %b "$@" | _hmac sha256 "$k" hex
 }
 
 tencent_signature_v3() {

From e3c4c9265dfe2d2816e68dfe310d5f6fcda4f25b Mon Sep 17 00:00:00 2001
From: KincaidYang <91786638+KincaidYang@users.noreply.github.com>
Date: Sun, 3 Sep 2023 21:21:05 +0800
Subject: [PATCH 3/5] Replace some functions.

---
 dnsapi/dns_tencent.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dnsapi/dns_tencent.sh b/dnsapi/dns_tencent.sh
index 746f00f0..5cce4aeb 100644
--- a/dnsapi/dns_tencent.sh
+++ b/dnsapi/dns_tencent.sh
@@ -45,14 +45,14 @@ dns_tencent_rm() {
   _debug "Get record list"
   attempt=1
   max_attempts=5
-  while [ -z "$record_id" ] && [ $attempt -le $max_attempts ]; do
+  while [ -z "$record_id" ] && [ "$attempt" -le $max_attempts ]; do
     _check_exist_query "$_domain" "$_sub_domain" "$txtvalue" && _tencent_rest "DescribeRecordFilterList"
     record_id="$(echo "$response" | _egrep_o "\"RecordId\":\s*[0-9]+" | _egrep_o "[0-9]+")"
     _debug2 record_id "$record_id"
     if [ -z "$record_id" ]; then
       _debug "Due to TencentCloud API synchronization delay, record not found, waiting 10 seconds and retrying"
       _sleep 10
-      attempt=$((attempt + 1))
+      attempt=$(_math "$attempt + 1")
     fi
   done
 
@@ -162,7 +162,7 @@ tencent_hmac_sha256_hexkey() {
 
 tencent_signature_v3() {
   service=$1
-  action=$(echo "$2" | tr '[:upper:]' '[:lower:]')
+  action=$(echo "$2" | _lower_case)
   payload=${3:-'{}'}
   timestamp=${4:-$(date +%s)}
 

From 772bbdc862777cf06c649271c9319f45b9075313 Mon Sep 17 00:00:00 2001
From: KincaidYang <91786638+KincaidYang@users.noreply.github.com>
Date: Wed, 6 Sep 2023 12:57:19 +0800
Subject: [PATCH 4/5] Replace some functions

---
 dnsapi/dns_tencent.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dnsapi/dns_tencent.sh b/dnsapi/dns_tencent.sh
index 5cce4aeb..b926225b 100644
--- a/dnsapi/dns_tencent.sh
+++ b/dnsapi/dns_tencent.sh
@@ -150,7 +150,7 @@ tencent_sha256() {
 tencent_hmac_sha256() {
   k=$1
   shift
-  hex_key=$(_ascii_hex "$k" | tr -d ' ')
+  hex_key=$(printf %b "$k" | _hex_dump | tr -d ' ')
   printf %b "$@" | _hmac sha256 "$hex_key" hex
 }
 
@@ -183,6 +183,7 @@ tencent_signature_v3() {
 
   credentialScope="$date/$service/tc3_request"
   stringToSign="$algorithm\n$timestamp\n$credentialScope\n$(tencent_sha256 "$canonicalRequest")"
+  _debug "stringToSign: $stringToSign"
 
   secretDate=$(tencent_hmac_sha256 "TC3$secretKey" "$date")
   secretService=$(tencent_hmac_sha256_hexkey "$secretDate" "$service")

From af534a73fc75cddf5a60f0ec1b13f79056b51940 Mon Sep 17 00:00:00 2001
From: KincaidYang <91786638+KincaidYang@users.noreply.github.com>
Date: Wed, 6 Sep 2023 13:09:52 +0800
Subject: [PATCH 5/5] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E6=95=8F=E6=84=9Fdebug=E4=BF=A1=E6=81=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 dnsapi/dns_tencent.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/dnsapi/dns_tencent.sh b/dnsapi/dns_tencent.sh
index b926225b..2f8d3b67 100644
--- a/dnsapi/dns_tencent.sh
+++ b/dnsapi/dns_tencent.sh
@@ -183,7 +183,6 @@ tencent_signature_v3() {
 
   credentialScope="$date/$service/tc3_request"
   stringToSign="$algorithm\n$timestamp\n$credentialScope\n$(tencent_sha256 "$canonicalRequest")"
-  _debug "stringToSign: $stringToSign"
 
   secretDate=$(tencent_hmac_sha256 "TC3$secretKey" "$date")
   secretService=$(tencent_hmac_sha256_hexkey "$secretDate" "$service")