Signup abuse detection and blocking 1.16.8

• Fix caching not occurring for external API calls if a caching provider is not setup
• Fix "Undefined offset: 2" from ASN resolver attempting to extract a country when using non-Team Cymru/Ripe ASN providers.
• Guard against add-ons which incorrectly implement XenForo Entities or content types when generating a list of content-types for the options;
  • Approval queue - skip click-to-shrink
  • Link Spam checker: Default action (by content type)
  This is known to affect add-ons by the Vault Wiki author who refuse to implement core XenForo functionality correctly

• Fix migrating add-on multi-accounts records from XF 1.x 'alter ego detector' records
• Fix ipregistery asn lookup support
• Report GeoIP/ASN API errors to the XF error log and do not swallow them

• Fix ipregistry.co support

• Fix bad links to known email providers in the approval queue
• Fix "Ban ASN" option not appearing in approval queue

• Use ipStack/ipApi/ipregistry geo/asn providers if configured over cloudflare/Cymru
• Fix ASN lookup for ipApi/ipregistry
• Fix "Ban ASN" feature (ErrorException: Job XF:ApprovalQueueProcess: [E_WARNING] preg_match_all(): Unknown modifier '/')

• On display of registration logs, correctly encode URLs.
  • Compatibility fix with New Registration Email add-on

• Add php7 typehinting (partial)
• Add short caching to DNS querys lookups for ASN resolving
• Support using Cymru country lookup as a last ditch geoip lookup
• Add new GeoIP lookups, most require paid accounts or limited free services
  • Add support for ipstack.com for geoip/asn service. This service requires an account for the geoip, and a paid account for the asn lookup service
  • Add support for ip-api.com for geoip/asn service. This service requires an account for the geoip, and a paid account for the asn lookup service
  • Add support for ipregistry.co for geoip/asn service. This service requires an account, with a free tier and then requiring payment
• Update GetIpIntel "private ip" error text to indiciate this can also be due to BGP hijacking
• In user registration log, render IP's as links to ip-lookup tool
• In user registration log, render ASN's as links to peeringdb.com to describe the ISP/network provider
• Support setting a per-content type default for spam link check rendering

• Fix php 8.1 compatibility, with csv export

• Fix GetIpIntel integration from being soft-disabled

• On user delete, ensure expensive large data recomputing only occurs once even if multiple users are deleted at once.
• Fix running expensive data delete is full-delete for GDPR is not enabled
• Add "Approval queue - skip click-to-shrink" option which allows individual content types to skip the XF2.2+ default click-to-shrink behaviour