import 'package:selfprivacy/logic/api_maps/rest_maps/dns_providers/desec/desec_api.dart'; import 'package:selfprivacy/logic/api_maps/rest_maps/dns_providers/desired_dns_record.dart'; import 'package:selfprivacy/logic/models/hive/server_domain.dart'; import 'package:selfprivacy/logic/models/json/desec_dns_info.dart'; import 'package:selfprivacy/logic/models/json/dns_records.dart'; import 'package:selfprivacy/logic/providers/dns_providers/dns_provider.dart'; class ApiAdapter { ApiAdapter({final bool isWithToken = true}) : _api = DesecApi( isWithToken: isWithToken, ); DesecApi api({final bool getInitialized = true}) => getInitialized ? _api : DesecApi( isWithToken: false, ); final DesecApi _api; } class DesecDnsProvider extends DnsProvider { DesecDnsProvider() : _adapter = ApiAdapter(); DesecDnsProvider.load( final bool isAuthotized, ) : _adapter = ApiAdapter( isWithToken: isAuthotized, ); ApiAdapter _adapter; @override DnsProviderType get type => DnsProviderType.desec; @override Future> tryInitApiByToken(final String token) async { final api = _adapter.api(getInitialized: false); final result = await api.isApiTokenValid(token); if (!result.data || !result.success) { return result; } _adapter = ApiAdapter(isWithToken: true); return result; } @override Future>> domainList() async { List domains = []; final result = await _adapter.api().getDomains(); if (result.data.isEmpty || !result.success) { return GenericResult( success: result.success, data: domains, code: result.code, message: result.message, ); } domains = result.data .map( (final el) => el.name, ) .toList(); return GenericResult( success: true, data: domains, ); } @override Future> createDomainRecords({ required final ServerDomain domain, final String? ip4, }) async { final List listDnsRecords = projectDnsRecords( domain.domainName, ip4, ); final List bulkRecords = []; for (final DnsRecord record in listDnsRecords) { bulkRecords.add( DesecDnsRecord( subname: record.name ?? '', type: record.type, ttl: record.ttl, records: [extractContent(record) ?? ''], ), ); } return _adapter.api().createMultipleDnsRecords( domainName: domain.domainName, records: bulkRecords, ); } @override Future> removeDomainRecords({ required final ServerDomain domain, final String? ip4, }) async { final List listDnsRecords = projectDnsRecords( domain.domainName, ip4, ); final List bulkRecords = []; for (final DnsRecord record in listDnsRecords) { bulkRecords.add( DesecDnsRecord( subname: record.name ?? '', type: record.type, ttl: record.ttl, records: [], ), ); } bulkRecords.add( DesecDnsRecord( subname: 'selector._domainkey', type: 'TXT', ttl: 18000, records: [], ), ); return _adapter.api().removeSimilarRecords( domainName: domain.domainName, records: bulkRecords, ); } @override Future>> getDnsRecords({ required final ServerDomain domain, }) async { final List records = []; final result = await _adapter.api().getDnsRecords(domain.domainName); if (result.data.isEmpty || !result.success) { return GenericResult( success: result.success, data: records, code: result.code, message: result.message, ); } try { for (final record in result.data) { final String? content = record.records.isEmpty ? null : record.records[0]; records.add( DnsRecord( name: record.subname, type: record.type, content: content, ttl: record.ttl, ), ); } } catch (e) { print(e); return GenericResult( success: false, data: records, message: e.toString(), ); } return GenericResult(success: true, data: records); } @override Future> setDnsRecord( final DnsRecord record, final ServerDomain domain, ) async { final result = await _adapter.api().createMultipleDnsRecords( domainName: domain.domainName, records: [ DesecDnsRecord( subname: record.name ?? '', type: record.type, ttl: record.ttl, records: [extractContent(record) ?? ''], ), ], ); return GenericResult( success: result.success, data: null, ); } String? extractContent(final DnsRecord record) { String? content = record.content; if (record.type == 'TXT' && content != null && !content.startsWith('"')) { content = '"$content"'; } return content; } @override Future>> validateDnsRecords( final ServerDomain domain, final String ip4, final String dkimPublicKey, ) async { final result = await getDnsRecords(domain: domain); if (result.data.isEmpty || !result.success) { return GenericResult( success: result.success, data: [], code: result.code, message: result.message, ); } final records = result.data; final List foundRecords = []; try { final List desiredRecords = getDesiredDnsRecords(domain.domainName, ip4, dkimPublicKey); for (final DesiredDnsRecord record in desiredRecords) { if (record.description == 'record.dkim') { final DnsRecord foundRecord = records.firstWhere( (final r) => ('${r.name}.${domain.domainName}' == record.name) && r.type == record.type, orElse: () => DnsRecord( name: record.name, type: record.type, content: '', ttl: 800, proxied: false, ), ); // remove all spaces and tabulators from // the foundRecord.content and the record.content // to compare them final String? foundContent = foundRecord.content?.replaceAll(RegExp(r'\s+'), ''); final String content = record.content.replaceAll(RegExp(r'\s+'), ''); if (foundContent == content) { foundRecords.add(record.copyWith(isSatisfied: true)); } else { foundRecords.add(record.copyWith(isSatisfied: false)); } } else { if (records.any( (final r) => ('${r.name}.${domain.domainName}' == record.name || record.name == '') && r.type == record.type && r.content == record.content, )) { foundRecords.add(record.copyWith(isSatisfied: true)); } else { foundRecords.add(record.copyWith(isSatisfied: false)); } } } } catch (e) { print(e); return GenericResult( data: [], success: false, message: e.toString(), ); } return GenericResult( data: foundRecords, success: true, ); } List projectDnsRecords( final String? domainName, final String? ip4, ) { final DnsRecord domainA = DnsRecord(type: 'A', name: '', content: ip4); final DnsRecord mx = DnsRecord(type: 'MX', name: '', content: '10 $domainName.'); final DnsRecord apiA = DnsRecord(type: 'A', name: 'api', content: ip4); final DnsRecord cloudA = DnsRecord(type: 'A', name: 'cloud', content: ip4); final DnsRecord gitA = DnsRecord(type: 'A', name: 'git', content: ip4); final DnsRecord meetA = DnsRecord(type: 'A', name: 'meet', content: ip4); final DnsRecord passwordA = DnsRecord(type: 'A', name: 'password', content: ip4); final DnsRecord socialA = DnsRecord(type: 'A', name: 'social', content: ip4); final DnsRecord vpn = DnsRecord(type: 'A', name: 'vpn', content: ip4); final DnsRecord txt1 = DnsRecord( type: 'TXT', name: '_dmarc', content: '"v=DMARC1; p=none"', ttl: 18000, ); final DnsRecord txt2 = DnsRecord( type: 'TXT', name: '', content: '"v=spf1 a mx ip4:$ip4 -all"', ttl: 18000, ); return [ domainA, apiA, cloudA, gitA, meetA, passwordA, socialA, mx, txt1, txt2, vpn, ]; } @override List getDesiredDnsRecords( final String? domainName, final String? ip4, final String? dkimPublicKey, ) { if (domainName == null || ip4 == null) { return []; } return [ DesiredDnsRecord( name: '', content: ip4, description: 'record.root', ), DesiredDnsRecord( name: 'api.$domainName', content: ip4, description: 'record.api', ), DesiredDnsRecord( name: 'cloud.$domainName', content: ip4, description: 'record.cloud', ), DesiredDnsRecord( name: 'git.$domainName', content: ip4, description: 'record.git', ), DesiredDnsRecord( name: 'meet.$domainName', content: ip4, description: 'record.meet', ), DesiredDnsRecord( name: 'social.$domainName', content: ip4, description: 'record.social', ), DesiredDnsRecord( name: 'password.$domainName', content: ip4, description: 'record.password', ), DesiredDnsRecord( name: 'vpn.$domainName', content: ip4, description: 'record.vpn', ), DesiredDnsRecord( name: '', content: '10 $domainName.', description: 'record.mx', type: 'MX', category: DnsRecordsCategory.email, ), DesiredDnsRecord( name: '_dmarc.$domainName', content: '"v=DMARC1; p=none"', description: 'record.dmarc', type: 'TXT', category: DnsRecordsCategory.email, ), DesiredDnsRecord( name: '', content: '"v=spf1 a mx ip4:$ip4 -all"', description: 'record.spf', type: 'TXT', category: DnsRecordsCategory.email, ), if (dkimPublicKey != null) DesiredDnsRecord( name: 'selector._domainkey.$domainName', content: '"$dkimPublicKey"', description: 'record.dkim', type: 'TXT', category: DnsRecordsCategory.email, ), ]; } }