You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							270 lines
						
					
					
						
							6.8 KiB
						
					
					
				
			
		
		
		
			
			
			
		
		
	
	
							270 lines
						
					
					
						
							6.8 KiB
						
					
					
				| #!/usr/bin/env sh | |
| # shellcheck disable=SC2034 | |
| dns_mythic_beasts_info='Mythic-Beasts.com | |
| Site: Mythic-Beasts.com | |
| Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_mythic_beasts | |
| Options: | |
|  MB_AK API Key | |
|  MB_AS API Secret | |
| Issues: github.com/acmesh-official/acme.sh/issues/3848 | |
| ' | |
| # Mythic Beasts is a long-standing UK service provider using standards-based OAuth2 authentication | |
| # To test: ./acme.sh --dns dns_mythic_beasts --test --debug 1 --output-insecure --issue --domain domain.com | |
| # Cannot retest once cert is issued | |
| # OAuth2 tokens only valid for 300 seconds so we do not store | |
| # NOTE: This will remove all TXT records matching the fulldomain, not just the added ones (_acme-challenge.www.domain.com) | |
| 
 | |
| # Test OAuth2 credentials | |
| #MB_AK="aaaaaaaaaaaaaaaa" | |
| #MB_AS="bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" | |
| 
 | |
| # URLs | |
| MB_API='https://api.mythic-beasts.com/dns/v2/zones' | |
| MB_AUTH='https://auth.mythic-beasts.com/login' | |
| 
 | |
| ########  Public functions ##################### | |
| 
 | |
| #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" | |
| dns_mythic_beasts_add() { | |
|   fulldomain=$1 | |
|   txtvalue=$2 | |
| 
 | |
|   _info "MYTHIC BEASTS Adding record $fulldomain = $txtvalue" | |
|   if ! _initAuth; then | |
|     return 1 | |
|   fi | |
| 
 | |
|   if ! _get_root "$fulldomain"; then | |
|     return 1 | |
|   fi | |
| 
 | |
|   # method path body_data | |
|   if _mb_rest POST "$_domain/records/$_sub_domain/TXT" "$txtvalue"; then | |
| 
 | |
|     if _contains "$response" "1 records added"; then | |
|       _info "Added, verifying..." | |
|       # Max 120 seconds to publish | |
|       for i in $(seq 1 6); do | |
|         # Retry on error | |
|         if ! _mb_rest GET "$_domain/records/$_sub_domain/TXT?verify"; then | |
|           _sleep 20 | |
|         else | |
|           _info "Record published!" | |
|           return 0 | |
|         fi | |
|       done | |
| 
 | |
|     else | |
|       _err "\n$response" | |
|     fi | |
| 
 | |
|   fi | |
|   _err "Add txt record error." | |
|   return 1 | |
| } | |
| 
 | |
| #Usage: rm  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" | |
| dns_mythic_beasts_rm() { | |
|   fulldomain=$1 | |
|   txtvalue=$2 | |
| 
 | |
|   _info "MYTHIC BEASTS Removing record $fulldomain = $txtvalue" | |
|   if ! _initAuth; then | |
|     return 1 | |
|   fi | |
| 
 | |
|   if ! _get_root "$fulldomain"; then | |
|     return 1 | |
|   fi | |
| 
 | |
|   # method path body_data | |
|   if _mb_rest DELETE "$_domain/records/$_sub_domain/TXT" "$txtvalue"; then | |
|     _info "Record removed" | |
|     return 0 | |
|   fi | |
|   _err "Remove txt record error." | |
|   return 1 | |
| } | |
| 
 | |
| ####################  Private functions below ################################## | |
| 
 | |
| #Possible formats: | |
| # _acme-challenge.www.example.com | |
| # _acme-challenge.example.com | |
| # _acme-challenge.example.co.uk | |
| # _acme-challenge.www.example.co.uk | |
| # _acme-challenge.sub1.sub2.www.example.co.uk | |
| # sub1.sub2.example.co.uk | |
| # example.com | |
| # example.co.uk | |
| #returns | |
| # _sub_domain=_acme-challenge.www | |
| # _domain=domain.com | |
| _get_root() { | |
|   domain=$1 | |
|   i=1 | |
|   p=1 | |
| 
 | |
|   _debug "Detect the root zone" | |
|   while true; do | |
|     h=$(printf "%s" "$domain" | cut -d . -f "$i"-100) | |
|     if [ -z "$h" ]; then | |
|       _err "Domain exhausted" | |
|       return 1 | |
|     fi | |
| 
 | |
|     # Use the status errors to find the domain, continue on 403 Access denied | |
|     # method path body_data | |
|     _mb_rest GET "$h/records" | |
|     ret="$?" | |
|     if [ "$ret" -eq 0 ]; then | |
|       _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p") | |
|       _domain="$h" | |
|       _debug _sub_domain "$_sub_domain" | |
|       _debug _domain "$_domain" | |
|       return 0 | |
|     elif [ "$ret" -eq 1 ]; then | |
|       return 1 | |
|     fi | |
| 
 | |
|     p=$i | |
|     i=$(_math "$i" + 1) | |
| 
 | |
|     if [ "$i" -gt 50 ]; then | |
|       break | |
|     fi | |
|   done | |
|   _err "Domain too long" | |
|   return 1 | |
| } | |
| 
 | |
| _initAuth() { | |
|   MB_AK="${MB_AK:-$(_readaccountconf_mutable MB_AK)}" | |
|   MB_AS="${MB_AS:-$(_readaccountconf_mutable MB_AS)}" | |
| 
 | |
|   if [ -z "$MB_AK" ] || [ -z "$MB_AS" ]; then | |
|     MB_AK="" | |
|     MB_AS="" | |
|     _err "Please specify an OAuth2 Key & Secret" | |
|     return 1 | |
|   fi | |
| 
 | |
|   _saveaccountconf_mutable MB_AK "$MB_AK" | |
|   _saveaccountconf_mutable MB_AS "$MB_AS" | |
| 
 | |
|   if ! _oauth2; then | |
|     return 1 | |
|   fi | |
| 
 | |
|   _info "Checking authentication" | |
|   _secure_debug access_token "$MB_TK" | |
|   _sleep 1 | |
| 
 | |
|   # GET a list of zones | |
|   # method path body_data | |
|   if ! _mb_rest GET ""; then | |
|     _err "The token is invalid" | |
|     return 1 | |
|   fi | |
|   _info "Token OK" | |
|   return 0 | |
| } | |
| 
 | |
| # Github appears to use an outbound proxy for requests which means subsequent requests may not have the same | |
| # source IP. The standard Mythic Beasts OAuth2 tokens are tied to an IP, meaning github test requests fail | |
| # authentication. This is a work around using an undocumented MB API to obtain a token not tied to an | |
| # IP just for the github tests. | |
| _oauth2() { | |
|   if [ "$GITHUB_ACTIONS" = "true" ]; then | |
|     _oauth2_github | |
|   else | |
|     _oauth2_std | |
|   fi | |
|   return $? | |
| } | |
| 
 | |
| _oauth2_std() { | |
|   # HTTP Basic Authentication | |
|   _H1="Authorization: Basic $(echo "$MB_AK:$MB_AS" | _base64)" | |
|   _H2="Accepts: application/json" | |
|   export _H1 _H2 | |
|   body="grant_type=client_credentials" | |
| 
 | |
|   _info "Getting OAuth2 token..." | |
|   # body  url [needbase64] [POST|PUT|DELETE] [ContentType] | |
|   response="$(_post "$body" "$MB_AUTH" "" "POST" "application/x-www-form-urlencoded")" | |
|   if _contains "$response" "\"token_type\":\"bearer\""; then | |
|     MB_TK="$(echo "$response" | _egrep_o "access_token\":\"[^\"]*\"" | cut -d : -f 2 | tr -d '"')" | |
|     if [ -z "$MB_TK" ]; then | |
|       _err "Unable to get access_token" | |
|       _err "\n$response" | |
|       return 1 | |
|     fi | |
|   else | |
|     _err "OAuth2 token_type not Bearer" | |
|     _err "\n$response" | |
|     return 1 | |
|   fi | |
|   _debug2 response "$response" | |
|   return 0 | |
| } | |
| 
 | |
| _oauth2_github() { | |
|   _H1="Accepts: application/json" | |
|   export _H1 | |
|   body="{\"login\":{\"handle\":\"$MB_AK\",\"pass\":\"$MB_AS\",\"floating\":1}}" | |
| 
 | |
|   _info "Getting Floating token..." | |
|   # body  url [needbase64] [POST|PUT|DELETE] [ContentType] | |
|   response="$(_post "$body" "$MB_AUTH" "" "POST" "application/json")" | |
|   MB_TK="$(echo "$response" | _egrep_o "\"token\":\"[^\"]*\"" | cut -d : -f 2 | tr -d '"')" | |
|   if [ -z "$MB_TK" ]; then | |
|     _err "Unable to get token" | |
|     _err "\n$response" | |
|     return 1 | |
|   fi | |
|   _debug2 response "$response" | |
|   return 0 | |
| } | |
| 
 | |
| # method path body_data | |
| _mb_rest() { | |
|   # URL encoded body for single API operations | |
|   m="$1" | |
|   ep="$2" | |
|   data="$3" | |
| 
 | |
|   if [ -z "$ep" ]; then | |
|     _mb_url="$MB_API" | |
|   else | |
|     _mb_url="$MB_API/$ep" | |
|   fi | |
| 
 | |
|   _H1="Authorization: Bearer $MB_TK" | |
|   _H2="Accepts: application/json" | |
|   export _H1 _H2 | |
|   if [ "$data" ] || [ "$m" = "POST" ] || [ "$m" = "PUT" ] || [ "$m" = "DELETE" ]; then | |
|     # body  url [needbase64] [POST|PUT|DELETE] [ContentType] | |
|     response="$(_post "data=$data" "$_mb_url" "" "$m" "application/x-www-form-urlencoded")" | |
|   else | |
|     response="$(_get "$_mb_url")" | |
|   fi | |
| 
 | |
|   if [ "$?" != "0" ]; then | |
|     _err "Request error" | |
|     return 1 | |
|   fi | |
| 
 | |
|   header="$(cat "$HTTP_HEADER")" | |
|   status="$(echo "$header" | _egrep_o "^HTTP[^ ]* .*$" | cut -d " " -f 2-100 | tr -d "\f\n")" | |
|   code="$(echo "$status" | _egrep_o "^[0-9]*")" | |
|   if [ "$code" -ge 400 ] || _contains "$response" "\"error\"" || _contains "$response" "invalid_client"; then | |
|     _err "error $status" | |
|     _err "\n$response" | |
|     _debug "\n$header" | |
|     return 2 | |
|   fi | |
| 
 | |
|   _debug2 response "$response" | |
|   return 0 | |
| }
 |