diff --git a/dnsapi/dns_azure.sh b/dnsapi/dns_azure.sh index ce8a3fa7..1c33c13a 100644 --- a/dnsapi/dns_azure.sh +++ b/dnsapi/dns_azure.sh @@ -9,57 +9,72 @@ WIKI="https://github.com/acmesh-official/acme.sh/wiki/How-to-use-Azure-DNS" # # Ref: https://docs.microsoft.com/en-us/rest/api/dns/recordsets/createorupdate # + dns_azure_add() { fulldomain=$1 txtvalue=$2 AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}" - AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}" - AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}" - AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}" - if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then AZUREDNS_SUBSCRIPTIONID="" AZUREDNS_TENANTID="" AZUREDNS_APPID="" AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure Subscription ID " + _err "You didn't specify the Azure Subscription ID" return 1 fi - - if [ -z "$AZUREDNS_TENANTID" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure Tenant ID " - return 1 - fi - - if [ -z "$AZUREDNS_APPID" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure App ID" - return 1 - fi - - if [ -z "$AZUREDNS_CLIENTSECRET" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure Client Secret" - return 1 - fi - #save account details to account conf file. + #save subscription id to account conf file. _saveaccountconf_mutable AZUREDNS_SUBSCRIPTIONID "$AZUREDNS_SUBSCRIPTIONID" - _saveaccountconf_mutable AZUREDNS_TENANTID "$AZUREDNS_TENANTID" - _saveaccountconf_mutable AZUREDNS_APPID "$AZUREDNS_APPID" - _saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET" - accesstoken=$(_azure_getaccess_token "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET") + AZUREDNS_MANAGEDIDENTITY="${AZUREDNS_MANAGEDIDENTITY:-$(_readaccountconf_mutable AZUREDNS_MANAGEDIDENTITY)}" + if [ "$AZUREDNS_MANAGEDIDENTITY" = true ]; then + _info "Using Azure managed identity" + #save managed identity as preferred authentication method, clear service principal credentials from conf file. + _saveaccountconf_mutable AZUREDNS_MANAGEDIDENTITY "$AZUREDNS_MANAGEDIDENTITY" + _saveaccountconf_mutable AZUREDNS_TENANTID "" + _saveaccountconf_mutable AZUREDNS_APPID "" + _saveaccountconf_mutable AZUREDNS_CLIENTSECRET "" + else + _info "You didn't ask to use Azure managed identity, checking service principal credentials" + AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}" + AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}" + AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}" + + if [ -z "$AZUREDNS_TENANTID" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure Tenant ID " + return 1 + fi + + if [ -z "$AZUREDNS_APPID" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure App ID" + return 1 + fi + + if [ -z "$AZUREDNS_CLIENTSECRET" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure Client Secret" + return 1 + fi + + #save account details to account conf file, don't opt in for azure manages identity check. + _saveaccountconf_mutable AZUREDNS_MANAGEDIDENTITY "false" + _saveaccountconf_mutable AZUREDNS_TENANTID "$AZUREDNS_TENANTID" + _saveaccountconf_mutable AZUREDNS_APPID "$AZUREDNS_APPID" + _saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET" + fi + + accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET") if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then _err "invalid domain" @@ -116,10 +131,6 @@ dns_azure_rm() { txtvalue=$2 AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}" - AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}" - AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}" - AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}" - if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then AZUREDNS_SUBSCRIPTIONID="" AZUREDNS_TENANTID="" @@ -129,34 +140,44 @@ dns_azure_rm() { return 1 fi - if [ -z "$AZUREDNS_TENANTID" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure Tenant ID " - return 1 + AZUREDNS_MANAGEDIDENTITY="${AZUREDNS_MANAGEDIDENTITY:-$(_readaccountconf_mutable AZUREDNS_MANAGEDIDENTITY)}" + if [ "$AZUREDNS_MANAGEDIDENTITY" = true ]; then + _info "Using Azure managed identity" + else + _info "You didn't ask to use Azure managed identity, checking service principal credentials" + AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}" + AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}" + AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}" + + if [ -z "$AZUREDNS_TENANTID" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure Tenant ID " + return 1 + fi + + if [ -z "$AZUREDNS_APPID" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure App ID" + return 1 + fi + + if [ -z "$AZUREDNS_CLIENTSECRET" ]; then + AZUREDNS_SUBSCRIPTIONID="" + AZUREDNS_TENANTID="" + AZUREDNS_APPID="" + AZUREDNS_CLIENTSECRET="" + _err "You didn't specify the Azure Client Secret" + return 1 + fi fi - if [ -z "$AZUREDNS_APPID" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure App ID" - return 1 - fi - - if [ -z "$AZUREDNS_CLIENTSECRET" ]; then - AZUREDNS_SUBSCRIPTIONID="" - AZUREDNS_TENANTID="" - AZUREDNS_APPID="" - AZUREDNS_CLIENTSECRET="" - _err "You didn't specify the Azure Client Secret" - return 1 - fi - - accesstoken=$(_azure_getaccess_token "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET") + accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET") if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then _err "invalid domain" @@ -258,9 +279,10 @@ _azure_rest() { ## Ref: https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-protocols-oauth-service-to-service#request-an-access-token _azure_getaccess_token() { - tenantID=$1 - clientID=$2 - clientSecret=$3 + managedIdentity=$1 + tenantID=$2 + clientID=$3 + clientSecret=$4 accesstoken="${AZUREDNS_BEARERTOKEN:-$(_readaccountconf_mutable AZUREDNS_BEARERTOKEN)}" expires_on="${AZUREDNS_TOKENVALIDTO:-$(_readaccountconf_mutable AZUREDNS_TOKENVALIDTO)}" @@ -278,17 +300,25 @@ _azure_getaccess_token() { fi _debug "getting new bearer token" - export _H1="accept: application/json" - export _H2="Content-Type: application/x-www-form-urlencoded" - - body="resource=$(printf "%s" 'https://management.core.windows.net/' | _url_encode)&client_id=$(printf "%s" "$clientID" | _url_encode)&client_secret=$(printf "%s" "$clientSecret" | _url_encode)&grant_type=client_credentials" - _secure_debug2 "data $body" - response="$(_post "$body" "https://login.microsoftonline.com/$tenantID/oauth2/token" "" "POST")" - _ret="$?" - _secure_debug2 "response $response" - response="$(echo "$response" | _normalizeJson)" - accesstoken=$(echo "$response" | _egrep_o "\"access_token\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") - expires_on=$(echo "$response" | _egrep_o "\"expires_on\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") + if [ "$managedIdentity" = true ]; then + # https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/how-to-use-vm-token#get-a-token-using-http + export _H1="Metadata: true" + response="$(_get http://169.254.169.254/metadata/identity/oauth2/token\?api-version=2018-02-01\&resource=https://management.azure.com/)" + response="$(echo "$response" | _normalizeJson)" + accesstoken=$(echo "$response" | _egrep_o "\"access_token\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") + expires_on=$(echo "$response" | _egrep_o "\"expires_on\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") + else + export _H1="accept: application/json" + export _H2="Content-Type: application/x-www-form-urlencoded" + body="resource=$(printf "%s" 'https://management.core.windows.net/' | _url_encode)&client_id=$(printf "%s" "$clientID" | _url_encode)&client_secret=$(printf "%s" "$clientSecret" | _url_encode)&grant_type=client_credentials" + _secure_debug2 "data $body" + response="$(_post "$body" "https://login.microsoftonline.com/$tenantID/oauth2/token" "" "POST")" + _ret="$?" + _secure_debug2 "response $response" + response="$(echo "$response" | _normalizeJson)" + accesstoken=$(echo "$response" | _egrep_o "\"access_token\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") + expires_on=$(echo "$response" | _egrep_o "\"expires_on\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \") + fi if [ -z "$accesstoken" ]; then _err "no acccess token received. Check your Azure settings see $WIKI"