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Merge pull request #4267 from nixys/feature/dns_yc
Add Yandex Cloud DNS API
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neil
GitHub
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264
dnsapi/dns_yc.sh
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264
dnsapi/dns_yc.sh
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#!/usr/bin/env sh
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#YC_Zone_ID="" # DNS Zone ID
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#YC_Folder_ID="" # YC Folder ID
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#YC_SA_ID="" # Service Account ID
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#YC_SA_Key_ID="" # Service Account IAM Key ID
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#YC_SA_Key_File_Path="/path/to/private.key" # Path to private.key use instead of YC_SA_Key_File_PEM_b64
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#YC_SA_Key_File_PEM_b64="" # Base64 content of private.key use instead of YC_SA_Key_File_Path
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YC_Api="https://dns.api.cloud.yandex.net/dns/v1"
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######## Public functions #####################
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#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_yc_add() {
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fulldomain="$(echo "$1". | _lower_case)" # Add dot at end of domain name
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txtvalue=$2
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YC_SA_Key_File_PEM_b64="${YC_SA_Key_File_PEM_b64:-$(_readaccountconf_mutable YC_SA_Key_File_PEM_b64)}"
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YC_SA_Key_File_Path="${YC_SA_Key_File_Path:-$(_readaccountconf_mutable YC_SA_Key_File_Path)}"
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if [ "$YC_SA_Key_File_PEM_b64" ]; then
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echo "$YC_SA_Key_File_PEM_b64" | _dbase64 >private.key
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YC_SA_Key_File="private.key"
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_savedomainconf YC_SA_Key_File_PEM_b64 "$YC_SA_Key_File_PEM_b64"
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else
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YC_SA_Key_File="$YC_SA_Key_File_Path"
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_savedomainconf YC_SA_Key_File_Path "$YC_SA_Key_File_Path"
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fi
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YC_Zone_ID="${YC_Zone_ID:-$(_readaccountconf_mutable YC_Zone_ID)}"
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YC_Folder_ID="${YC_Folder_ID:-$(_readaccountconf_mutable YC_Folder_ID)}"
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YC_SA_ID="${YC_SA_ID:-$(_readaccountconf_mutable YC_SA_ID)}"
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YC_SA_Key_ID="${YC_SA_Key_ID:-$(_readaccountconf_mutable YC_SA_Key_ID)}"
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if [ "$YC_SA_ID" ] && [ "$YC_SA_Key_ID" ] && [ "$YC_SA_Key_File" ]; then
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if [ -f "$YC_SA_Key_File" ]; then
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if _isRSA "$YC_SA_Key_File" >/dev/null 2>&1; then
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if [ "$YC_Zone_ID" ]; then
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_savedomainconf YC_Zone_ID "$YC_Zone_ID"
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_savedomainconf YC_SA_ID "$YC_SA_ID"
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_savedomainconf YC_SA_Key_ID "$YC_SA_Key_ID"
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elif [ "$YC_Folder_ID" ]; then
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_savedomainconf YC_Folder_ID "$YC_Folder_ID"
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_saveaccountconf_mutable YC_SA_ID "$YC_SA_ID"
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_saveaccountconf_mutable YC_SA_Key_ID "$YC_SA_Key_ID"
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_clearaccountconf_mutable YC_Zone_ID
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_clearaccountconf YC_Zone_ID
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else
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_err "You didn't specify a Yandex Cloud Zone ID or Folder ID yet."
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return 1
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fi
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else
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_err "YC_SA_Key_File not a RSA file(_isRSA function return false)."
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return 1
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fi
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else
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_err "YC_SA_Key_File not found in path $YC_SA_Key_File."
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return 1
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fi
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else
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_clearaccountconf YC_Zone_ID
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_clearaccountconf YC_Folder_ID
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_clearaccountconf YC_SA_ID
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_clearaccountconf YC_SA_Key_ID
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_clearaccountconf YC_SA_Key_File_PEM_b64
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_clearaccountconf YC_SA_Key_File_Path
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_err "You didn't specify a YC_SA_ID or YC_SA_Key_ID or YC_SA_Key_File."
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return 1
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fi
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_debug "Getting txt records"
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if ! _yc_rest GET "zones/${_domain_id}:getRecordSet?type=TXT&name=$_sub_domain"; then
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_err "Error: $response"
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return 1
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fi
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_info "Adding record"
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if _yc_rest POST "zones/$_domain_id:upsertRecordSets" "{\"merges\": [ { \"name\":\"$_sub_domain\",\"type\":\"TXT\",\"ttl\":\"120\",\"data\":[\"$txtvalue\"]}]}"; then
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if _contains "$response" "\"done\": true"; then
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_info "Added, OK"
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return 0
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else
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_err "Add txt record error."
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return 1
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fi
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fi
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_err "Add txt record error."
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return 1
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}
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#fulldomain txtvalue
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dns_yc_rm() {
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fulldomain="$(echo "$1". | _lower_case)" # Add dot at end of domain name
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txtvalue=$2
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YC_Zone_ID="${YC_Zone_ID:-$(_readaccountconf_mutable YC_Zone_ID)}"
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YC_Folder_ID="${YC_Folder_ID:-$(_readaccountconf_mutable YC_Folder_ID)}"
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YC_SA_ID="${YC_SA_ID:-$(_readaccountconf_mutable YC_SA_ID)}"
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YC_SA_Key_ID="${YC_SA_Key_ID:-$(_readaccountconf_mutable YC_SA_Key_ID)}"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_debug "Getting txt records"
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if _yc_rest GET "zones/${_domain_id}:getRecordSet?type=TXT&name=$_sub_domain"; then
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exists_txtvalue=$(echo "$response" | _normalizeJson | _egrep_o "\"data\".*\][^,]*" | _egrep_o "[^:]*$")
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_debug exists_txtvalue "$exists_txtvalue"
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else
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_err "Error: $response"
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return 1
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fi
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if _yc_rest POST "zones/$_domain_id:updateRecordSets" "{\"deletions\": [ { \"name\":\"$_sub_domain\",\"type\":\"TXT\",\"ttl\":\"120\",\"data\":$exists_txtvalue}]}"; then
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if _contains "$response" "\"done\": true"; then
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_info "Delete, OK"
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return 0
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else
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_err "Delete record error."
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return 1
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fi
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fi
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_err "Delete record error."
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return 1
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}
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#################### Private functions below ##################################
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#_acme-challenge.www.domain.com
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#returns
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# _sub_domain=_acme-challenge.www
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# _domain=domain.com
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# _domain_id=sdjkglgdfewsdfg
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_get_root() {
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domain=$1
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i=1
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p=1
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# Use Zone ID directly if provided
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if [ "$YC_Zone_ID" ]; then
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if ! _yc_rest GET "zones/$YC_Zone_ID"; then
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return 1
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else
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if echo "$response" | tr -d " " | _egrep_o "\"id\":\"$YC_Zone_ID\"" >/dev/null; then
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_domain=$(echo "$response" | _egrep_o "\"zone\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | _head_n 1 | tr -d " ")
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if [ "$_domain" ]; then
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_cutlength=$((${#domain} - ${#_domain}))
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_sub_domain=$(printf "%s" "$domain" | cut -c "1-$_cutlength")
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_domain_id=$YC_Zone_ID
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return 0
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else
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return 1
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fi
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else
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return 1
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fi
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fi
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fi
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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_debug h "$h"
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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if [ "$YC_Folder_ID" ]; then
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if ! _yc_rest GET "zones?folderId=$YC_Folder_ID"; then
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return 1
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fi
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else
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echo "You didn't specify a Yandex Cloud Folder ID."
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return 1
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fi
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if _contains "$response" "\"zone\": \"$h\""; then
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_domain_id=$(echo "$response" | _normalizeJson | _egrep_o "[^{]*\"zone\":\"$h\"[^}]*" | _egrep_o "\"id\"[^,]*" | _egrep_o "[^:]*$" | tr -d '"')
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_debug _domain_id "$_domain_id"
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if [ "$_domain_id" ]; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
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_domain=$h
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return 0
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fi
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return 1
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fi
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p=$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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_yc_rest() {
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m=$1
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ep="$2"
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data="$3"
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_debug "$ep"
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if [ ! "$YC_Token" ]; then
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_debug "Login"
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_yc_login
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else
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_debug "Token already exists. Skip Login."
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fi
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token_trimmed=$(echo "$YC_Token" | tr -d '"')
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export _H1="Content-Type: application/json"
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export _H2="Authorization: Bearer $token_trimmed"
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if [ "$m" != "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$YC_Api/$ep" "" "$m")"
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else
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response="$(_get "$YC_Api/$ep")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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_yc_login() {
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header=$(echo "{\"typ\":\"JWT\",\"alg\":\"PS256\",\"kid\":\"$YC_SA_Key_ID\"}" | _normalizeJson | _base64 | _url_replace)
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_debug header "$header"
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_current_timestamp=$(_time)
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_expire_timestamp=$(_math "$_current_timestamp" + 1200) # 20 minutes
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payload=$(echo "{\"iss\":\"$YC_SA_ID\",\"aud\":\"https://iam.api.cloud.yandex.net/iam/v1/tokens\",\"iat\":$_current_timestamp,\"exp\":$_expire_timestamp}" | _normalizeJson | _base64 | _url_replace)
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_debug payload "$payload"
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#signature=$(printf "%s.%s" "$header" "$payload" | ${ACME_OPENSSL_BIN:-openssl} dgst -sign "$YC_SA_Key_File -sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:-1" | _base64 | _url_replace )
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_signature=$(printf "%s.%s" "$header" "$payload" | _sign "$YC_SA_Key_File" "sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:-1" | _url_replace)
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_debug2 _signature "$_signature"
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rm -rf "$YC_SA_Key_File"
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_jwt=$(printf "{\"jwt\": \"%s.%s.%s\"}" "$header" "$payload" "$_signature")
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_debug2 _jwt "$_jwt"
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export _H1="Content-Type: application/json"
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_iam_response="$(_post "$_jwt" "https://iam.api.cloud.yandex.net/iam/v1/tokens" "" "POST")"
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_debug3 _iam_response "$(echo "$_iam_response" | _normalizeJson)"
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YC_Token="$(echo "$_iam_response" | _normalizeJson | _egrep_o "\"iamToken\"[^,]*" | _egrep_o "[^:]*$" | tr -d '"')"
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_debug3 YC_Token
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return 0
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}
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