Delete dnsapi/dns_tencent.sh
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KincaidYang
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#!/usr/bin/env sh
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set -x
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Tencent_API="https://dnspod.tencentcloudapi.com"
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#Tencent_SecretId="AKIDz8krbsJ5yKBZQpn74WFkmLPx3gnPhESA"
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#Tencent_SecretKey="Gu5t9xGARNpq86cd98joQYCN3Cozk1qA"
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#Usage: dns_tencent_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_tencent_add() {
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fulldomain=$1
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txtvalue=$2
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Tencent_SecretId="${Tencent_SecretId:-$(_readaccountconf_mutable Tencent_SecretId)}"
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Tencent_SecretKey="${Tencent_SecretKey:-$(_readaccountconf_mutable Tencent_SecretKey)}"
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if [ -z "$Tencent_SecretId" ] || [ -z "$Tencent_SecretKey" ]; then
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Tencent_SecretId=""
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Tencent_SecretKey=""
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_err "You don't specify tencent api SecretId and SecretKey yet."
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return 1
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fi
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#save the api SecretId and SecretKey to the account conf file.
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_saveaccountconf_mutable Tencent_SecretId "$Tencent_SecretId"
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_saveaccountconf_mutable Tencent_SecretKey "$Tencent_SecretKey"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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return 1
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fi
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_debug "Add record"
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_add_record_query "$_domain" "$_sub_domain" "$txtvalue" && _tencent_rest "CreateRecord"
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}
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dns_tencent_rm() {
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fulldomain=$1
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txtvalue=$2
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Tencent_SecretId="${Tencent_SecretId:-$(_readaccountconf_mutable Tencent_SecretId)}"
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Tencent_SecretKey="${Tencent_SecretKey:-$(_readaccountconf_mutable Tencent_SecretKey)}"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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return 1
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fi
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_debug "Get record list"
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sleep 30
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_check_exist_query "$_domain" "$_sub_domain" "$txtvalue" && _tencent_rest "DescribeRecordFilterList"
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record_id="$(echo "$response" | _egrep_o "\"RecordId\":\s*[0-9]+" | _egrep_o "[0-9]+")"
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_debug2 record_id "$record_id"
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if [ -z "$record_id" ]; then
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_debug "record not found, skip"
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else
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_debug "Delete record"
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_delete_record_query "$record_id" && _tencent_rest "DeleteRecord"
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fi
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}
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#################### Private functions below ##################################
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_get_root() {
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domain=$1
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i=2
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p=1
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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_describe_records_query "$h" "@"
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if ! _tencent_rest "DescribeRecordList" "ignore"; then
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return 1
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fi
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if _contains "$response" "\"TotalCount\":"; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
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_debug _sub_domain "$_sub_domain"
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_domain="$h"
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_debug _domain "$_domain"
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return 0
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fi
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p="$i"
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i=$(_math "$i" + 1)
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done
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return 1
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}
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_tencent_rest() {
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action=$1
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service="dnspod"
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payload="${query}"
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timestamp=$(date -u +%s)
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token=$(tencent_signature_v3 $service "$action" "$payload" "$timestamp")
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version="2021-03-23"
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if ! response="$(tencent_api_request $service $version "$action" "$payload" "$timestamp")"; then
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_err "Error <$1>"
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return 1
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fi
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_debug2 response "$response"
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if [ -z "$2" ]; then
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message="$(echo "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
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if [ "$message" ]; then
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_err "$message"
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return 1
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fi
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fi
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}
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_add_record_query() {
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query="{\"Domain\":\"$1\",\"SubDomain\":\"$2\",\"RecordType\":\"TXT\",\"RecordLineId\":\"0\",\"RecordLine\":\"0\",\"Value\":\"$3\",\"TTL\":600}"
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}
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_describe_records_query() {
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query="{\"Domain\":\"$1\",\"Limit\":3000}"
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}
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_delete_record_query() {
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query="{\"Domain\":\"$_domain\",\"RecordId\":$1}"
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}
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_check_exist_query() {
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_domain="$1"
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_subdomain="$2"
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_value="$3"
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query="{\"Domain\":\"$_domain\",\"SubDomain\":\"$_subdomain\",\"RecordValue\":\"$_value\"}"
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}
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# shell client for tencent cloud api v3 | @author: rehiy
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tencent_sha256() {
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printf %b "$@" | openssl dgst -sha256 -hex | sed 's/^.* //'
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}
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tencent_hmac_sha256() {
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k=$1
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shift
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printf %b "$@" | openssl dgst -sha256 -hmac "$k" | sed 's/^.* //'
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}
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tencent_hmac_sha256_hexkey() {
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k=$1
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shift
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printf %b "$@" | openssl dgst -sha256 -mac HMAC -macopt "hexkey:$k" | sed 's/^.* //'
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}
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tencent_signature_v3() {
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service=$1
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action=$(echo "$2" | tr '[:upper:]' '[:lower:]')
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payload=${3:-'{}'}
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timestamp=${4:-$(date +%s)}
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domain="$service.tencentcloudapi.com"
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secretId=${Tencent_SecretId:-'tencent-cloud-secret-id'}
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secretKey=${Tencent_SecretKey:-'tencent-cloud-secret-key'}
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algorithm='TC3-HMAC-SHA256'
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date=$(date -u -d "@$timestamp" +%Y-%m-%d 2>/dev/null)
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[ -z "$date" ] && date=$(date -u -r "$timestamp" +%Y-%m-%d)
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canonicalUri='/'
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canonicalQuery=''
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canonicalHeaders="content-type:application/json\nhost:$domain\nx-tc-action:$action\n"
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signedHeaders='content-type;host;x-tc-action'
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canonicalRequest="POST\n$canonicalUri\n$canonicalQuery\n$canonicalHeaders\n$signedHeaders\n$(tencent_sha256 "$payload")"
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credentialScope="$date/$service/tc3_request"
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stringToSign="$algorithm\n$timestamp\n$credentialScope\n$(tencent_sha256 "$canonicalRequest")"
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secretDate=$(tencent_hmac_sha256 "TC3$secretKey" "$date")
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secretService=$(tencent_hmac_sha256_hexkey "$secretDate" "$service")
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secretSigning=$(tencent_hmac_sha256_hexkey "$secretService" 'tc3_request')
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signature=$(tencent_hmac_sha256_hexkey "$secretSigning" "$stringToSign")
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echo "$algorithm Credential=$secretId/$credentialScope, SignedHeaders=$signedHeaders, Signature=$signature"
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}
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tencent_api_request() {
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service=$1
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version=$2
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action=$3
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payload=${4:-'{}'}
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timestamp=${5:-$(date +%s)}
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token=$(tencent_signature_v3 "$service" "$action" "$payload" "$timestamp")
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_H1="Content-Type: application/json"
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_H2="Authorization: $token"
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_H3="X-TC-Version: $version"
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_H4="X-TC-Timestamp: $timestamp"
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_H5="X-TC-Action: $action"
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_post "$payload" "$Tencent_API" "" "POST" "application/json"
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}
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