chore: spelling

Signed-off-by: Xe Iaso <me@xeiaso.net>

.github/actions/spelling/expect.txt

@@ -7,6 +7,9 @@ anthro
 anubis
 anubistest
 archlinux
+asnc
+asnchecker
+asns
 badregexes
 berr
 bingbot
@@ -19,6 +22,7 @@ botnet
 BPort
 broked
 cachebuster
+cachediptoasn
 Caddyfile
 caninetools
 Cardyb
@@ -72,15 +76,21 @@ Fordola
 forgejo
 fsys
 fullchain
+gaissmai
 Galvus
+geoip
+geoipchecker
 gha
+gipc
 gitea
+godotenv
 goland
 gomod
 goodbot
 googlebot
 govulncheck
 GPG
+grpcprom
 grw
 Hashcash
 hashrate
@@ -95,9 +105,12 @@ hypertext
 iat
 ifm
 inp
+IPTo
+iptoasn
 iss
 ivh
 JGit
+joho
 journalctl
 jshelter
 JWTs
@@ -190,11 +203,14 @@ subr
 subrequest
 tagline
 tarballs
+tarrif
 techaro
 techarohq
 templ
 templruntime
 testarea
+thoth
+thothmock
 torproject
 traefik
 unixhttpd
@@ -210,7 +226,7 @@ webmaster
 webpage
 websecure
 websites
-workaround
+Workaround
 workdir
 xcaddy
 Xeact

cmd/anubis/main.go

@@ -30,11 +30,13 @@ import (
 	"github.com/TecharoHQ/anubis"
 	"github.com/TecharoHQ/anubis/data"
 	"github.com/TecharoHQ/anubis/internal"
+	"github.com/TecharoHQ/anubis/internal/thoth"
 	libanubis "github.com/TecharoHQ/anubis/lib"
 	botPolicy "github.com/TecharoHQ/anubis/lib/policy"
 	"github.com/TecharoHQ/anubis/lib/policy/config"
 	"github.com/TecharoHQ/anubis/web"
 	"github.com/facebookgo/flagenv"
+	_ "github.com/joho/godotenv/autoload"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
@@ -66,6 +68,9 @@ var (
 	ogCacheConsiderHost      = flag.Bool("og-cache-consider-host", false, "enable or disable the use of the host in the Open Graph tag cache")
 	extractResources         = flag.String("extract-resources", "", "if set, extract the static resources to the specified folder")
 	webmasterEmail           = flag.String("webmaster-email", "", "if set, displays webmaster's email on the reject page for appeals")
+
+	thothURL   = flag.String("thoth-url", "", "if set, URL for Thoth, the IP reputation database for Anubis")
+	thothToken = flag.String("thoth-token", "", "if set, API token for Thoth, the IP reputation database for Anubis")
 )
 
 func keyFromHex(value string) (ed25519.PrivateKey, error) {
@@ -220,7 +225,19 @@ func main() {
 		}
 	}
 
-	policy, err := libanubis.LoadPoliciesOrDefault(*policyFname, *challengeDifficulty)
+	ctx := context.Background()
+
+	if *thothURL != "" && *thothToken != "" {
+		slog.Debug("connecting to Thoth")
+		thothClient, err := thoth.New(ctx, *thothURL, *thothToken)
+		if err != nil {
+			log.Fatalf("can't dial thoth at %s: %v", *thothURL, err)
+		}
+
+		ctx = thoth.With(ctx, thothClient)
+	}
+
+	policy, err := libanubis.LoadPoliciesOrDefault(ctx, *policyFname, *challengeDifficulty)
 	if err != nil {
 		log.Fatalf("can't parse policy file: %v", err)
 	}

go.mod

@@ -3,20 +3,26 @@ module github.com/TecharoHQ/anubis
 go 1.24.2
 
 require (
+	github.com/TecharoHQ/thoth-proto v0.2.0
 	github.com/a-h/templ v0.3.865
 	github.com/facebookgo/flagenv v0.0.0-20160425205200-fcd59fca7456
+	github.com/gaissmai/bart v0.20.4
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/google/cel-go v0.25.0
+	github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1
+	github.com/joho/godotenv v1.5.1
 	github.com/playwright-community/playwright-go v0.5200.0
 	github.com/prometheus/client_golang v1.22.0
 	github.com/sebest/xff v0.0.0-20210106013422-671bd2870b3a
 	github.com/yl2chen/cidranger v1.0.2
 	golang.org/x/net v0.40.0
+	google.golang.org/grpc v1.72.1
 	k8s.io/apimachinery v0.33.0
 )
 
 require (
 	al.essio.dev/pkg/shellescape v1.6.0 // indirect
+	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250425153114-8976f5be98c1.1 // indirect
 	cel.dev/expr v0.23.1 // indirect
 	dario.cat/mergo v1.0.1 // indirect
 	github.com/AlekSi/pointer v1.2.0 // indirect
@@ -64,6 +70,7 @@ require (
 	github.com/goreleaser/chglog v0.7.0 // indirect
 	github.com/goreleaser/fileglob v1.3.0 // indirect
 	github.com/goreleaser/nfpm/v2 v2.42.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0 // indirect
 	github.com/huandu/xstrings v1.5.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
@@ -84,7 +91,7 @@ require (
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/skeema/knownhosts v1.3.1 // indirect
 	github.com/spf13/cast v1.7.1 // indirect
-	github.com/stoewer/go-strcase v1.2.0 // indirect
+	github.com/stoewer/go-strcase v1.3.0 // indirect
 	github.com/ulikunitz/xz v0.5.12 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	gitlab.com/digitalxero/go-conventional-commit v1.0.7 // indirect
@@ -99,9 +106,9 @@ require (
 	golang.org/x/tools v0.32.0 // indirect
 	golang.org/x/vuln v1.1.4 // indirect
 	golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240826202546-f6391c0de4c7 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240826202546-f6391c0de4c7 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/protobuf v1.36.5 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	honnef.co/go/tools v0.6.1 // indirect

go.sum

@@ -1,5 +1,7 @@
 al.essio.dev/pkg/shellescape v1.6.0 h1:NxFcEqzFSEVCGN2yq7Huv/9hyCEGVa/TncnOOBBeXHA=
 al.essio.dev/pkg/shellescape v1.6.0/go.mod h1:6sIqp7X2P6mThCQ7twERpZTuigpr6KbZWtls1U8I890=
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250425153114-8976f5be98c1.1 h1:YhMSc48s25kr7kv31Z8vf7sPUIq5YJva9z1mn/hAt0M=
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250425153114-8976f5be98c1.1/go.mod h1:avRlCjnFzl98VPaeCtJ24RrV/wwHFzB8sWXhj26+n/U=
 cel.dev/expr v0.23.1 h1:K4KOtPCJQjVggkARsjG9RWXP6O4R73aHeJMa/dmCQQg=
 cel.dev/expr v0.23.1/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
 dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
@@ -28,6 +30,8 @@ github.com/ProtonMail/gopenpgp/v2 v2.7.1 h1:Awsg7MPc2gD3I7IFac2qE3Gdls0lZW8SzrFZ
 github.com/ProtonMail/gopenpgp/v2 v2.7.1/go.mod h1:/BU5gfAVwqyd8EfC3Eu7zmuhwYQpKs+cGD8M//iiaxs=
 github.com/Songmu/gitconfig v0.2.0 h1:pX2++u4KUq+K2k/ZCzGXLtkD3ceCqIdi0tDyb+IbSyo=
 github.com/Songmu/gitconfig v0.2.0/go.mod h1:cB5bYJer+pl7W8g6RHFwL/0X6aJROVrYuHlvc7PT+hE=
+github.com/TecharoHQ/thoth-proto v0.2.0 h1:IR/LMbr4phOPgfgmQ+VNBYfckGoo/xr5xlWqsORF8/8=
+github.com/TecharoHQ/thoth-proto v0.2.0/go.mod h1:wIkQ7hMmNk2XZXRVeL1WcioD4sc1pCCEAHbJ8hKG51A=
 github.com/TecharoHQ/yeet v0.2.3 h1:Pcsnq5HTnk4Xntlu/FNEidH7x55bIx+f5Mk1hpVIngs=
 github.com/TecharoHQ/yeet v0.2.3/go.mod h1:avLiwxZpNY37A/o35XledvdmGnTkm3G7+Oskxca6Z7Y=
 github.com/a-h/parse v0.0.0-20250122154542-74294addb73e h1:HjVbSQHy+dnlS6C3XajZ69NYAb5jbGNfHanvm1+iYlo=
@@ -97,6 +101,8 @@ github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHk
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
 github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/gaissmai/bart v0.20.4 h1:Ik47r1fy3jRVU+1eYzKSW3ho2UgBVTVnUS8O993584U=
+github.com/gaissmai/bart v0.20.4/go.mod h1:cEed+ge8dalcbpi8wtS9x9m2hn/fNJH5suhdGQOHnYk=
 github.com/gliderlabs/ssh v0.3.8 h1:a4YXD1V7xMF9g5nTkdfnja3Sxy1PVDCj1Zg4Wb8vY6c=
 github.com/gliderlabs/ssh v0.3.8/go.mod h1:xYoytBv1sV0aL3CavoDuJIQNURXkkfPA/wxQ1pL1fAU=
 github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 h1:+zs/tPmkDkHx3U66DAb0lQFJrpS6731Oaa12ikc+DiI=
@@ -109,6 +115,10 @@ github.com/go-git/go-git/v5 v5.14.0 h1:/MD3lCrGjCen5WfEAzKg00MJJffKhC8gzS80ycmCi
 github.com/go-git/go-git/v5 v5.14.0/go.mod h1:Z5Xhoia5PcWA3NF8vRLURn9E5FRhSl7dGj9ItW3Wk5k=
 github.com/go-jose/go-jose/v3 v3.0.4 h1:Wp5HA7bLQcKnf6YYao/4kpRpVMp/yf6+pJKV8WFSaNY=
 github.com/go-jose/go-jose/v3 v3.0.4/go.mod h1:5b+7YgP7ZICgJDBdfjZaIt+H/9L9T/YQrVfLAMboGkQ=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
@@ -130,6 +140,8 @@ github.com/golang-jwt/jwt/v5 v5.2.2 h1:Rl4B7itRWVtYIHFrSNd7vhTiz9UpLdi6gZhZ3wEeD
 github.com/golang-jwt/jwt/v5 v5.2.2/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
 github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ=
 github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8/go.mod h1:wcDNUvekVysuuOpQKo3191zZyTpiI6se1N1ULghS0sw=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/cel-go v0.25.0 h1:jsFw9Fhn+3y2kBbltZR4VEz5xKkcIFRPDnuEzAGv5GY=
 github.com/google/cel-go v0.25.0/go.mod h1:hjEb6r5SuOSlhCHmFoLzu8HGCERvIsDAbxDAyNU/MmI=
 github.com/google/go-cmdtest v0.4.1-0.20220921163831-55ab3332a786 h1:rcv+Ippz6RAtvaGgKxc+8FQIpxHgsF+HBzPyYL2cyVU=
@@ -155,12 +167,18 @@ github.com/goreleaser/fileglob v1.3.0 h1:/X6J7U8lbDpQtBvGcwwPS6OpzkNVlVEsFUVRx9+
 github.com/goreleaser/fileglob v1.3.0/go.mod h1:Jx6BoXv3mbYkEzwm9THo7xbr5egkAraxkGorbJb4RxU=
 github.com/goreleaser/nfpm/v2 v2.42.0 h1:7BW4WQWyvZDrT0C7SyWop+J8rtqFyTB17Sb2/j/NxMI=
 github.com/goreleaser/nfpm/v2 v2.42.0/go.mod h1:DtNL+nKpfB8sMFZp+X7Xu3W64atyZYtTnYe8O925/mg=
+github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1 h1:qnpSQwGEnkcRpTqNOIR6bJbR0gAorgP9CSALpRcKoAA=
+github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1/go.mod h1:lXGCsh6c22WGtjr+qGHj1otzZpV/1kwTMAqkwZsnWRU=
+github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0 h1:pRhl55Yx1eC7BZ1N+BBWwnKaMyD8uC+34TLdndZMAKk=
+github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0/go.mod h1:XKMd7iuf/RGPSMJ/U4HP0zS2Z9Fh8Ps9a+6X26m/tmI=
 github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542/go.mod h1:Ow0tF8D4Kplbc8s8sSb3V2oUCygFHVp8gC3Dn6U4MNI=
 github.com/henvic/httpretty v0.0.6/go.mod h1:X38wLjWXHkXT7r2+uK8LjCMne9rsuNaBLJ+5cU2/Pmo=
 github.com/huandu/xstrings v1.5.0 h1:2ag3IFq9ZDANvthTwTiqSSZLjDc+BedvHPAp5tJy2TI=
 github.com/huandu/xstrings v1.5.0/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=
@@ -244,13 +262,17 @@ github.com/smartystreets/goconvey v1.8.1 h1:qGjIddxOk4grTu9JPOU31tVfq3cNdBlNa5sS
 github.com/smartystreets/goconvey v1.8.1/go.mod h1:+/u4qLyY6x1jReYOp7GOM2FSt8aP9CzCZL03bI28W60=
 github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
 github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
-github.com/stoewer/go-strcase v1.2.0 h1:Z2iHWqGXH00XYgqDmNgQbIBxf3wrNq0F3feEy0ainaU=
+github.com/stoewer/go-strcase v1.3.0 h1:g0eASXYtp+yvN9fK8sH94oCIk0fau9uV1/ZdJ0AVEzs=
-github.com/stoewer/go-strcase v1.2.0/go.mod h1:IBiWB2sKIp3wVVQ3Y035++gc+knqhUQag1KpM8ahLw8=
+github.com/stoewer/go-strcase v1.3.0/go.mod h1:fAH5hQ5pehh+j3nZfvwdk2RgEgQjAoM8wodgtPmh1xo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/thlib/go-timezone-local v0.0.0-20210907160436-ef149e42d28e/go.mod h1:/Tnicc6m/lsJE0irFMA0LfIwTBo4QP7A8IfyIv4zZKI=
@@ -265,6 +287,18 @@ github.com/yl2chen/cidranger v1.0.2/go.mod h1:9U1yz7WPYDwf0vpNWFaeRh0bjwz5RVgRy/
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 gitlab.com/digitalxero/go-conventional-commit v1.0.7 h1:8/dO6WWG+98PMhlZowt/YjuiKhqhGlOCwlIV8SqqGh8=
 gitlab.com/digitalxero/go-conventional-commit v1.0.7/go.mod h1:05Xc2BFsSyC5tKhK0y+P3bs0AwUtNuTp+mTpbCU/DZ0=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
+go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
+go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
+go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
+go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
+go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
+go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
+go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
+go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
+go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
@@ -349,12 +383,14 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9 h1:LLhsEBxRTBLuKlQxFBYUOU8xyFgXv6cOTp2HASDlsDk=
 golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
-google.golang.org/genproto/googleapis/api v0.0.0-20240826202546-f6391c0de4c7 h1:YcyjlL1PRr2Q17/I0dPk2JmYS5CDXfcdb2Z3YRioEbw=
+google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a h1:nwKuGPlUAt+aR+pcrkfFRrTU1BVrSmYyYMxYbUIVHr0=
-google.golang.org/genproto/googleapis/api v0.0.0-20240826202546-f6391c0de4c7/go.mod h1:OCdP9MfskevB/rbYvHTsXTtKC+3bHWajPdoKgjcYkfo=
+google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a/go.mod h1:3kWAYMk1I75K4vykHtKt2ycnOgpA6974V7bREqbsenU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240826202546-f6391c0de4c7 h1:2035KHhUv+EpyB+hWgJnaWKJOdX1E95w2S8Rr4uWKTs=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240826202546-f6391c0de4c7/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a/go.mod h1:uRxBH1mhmO8PGhU89cMcHaXKZqO+OfakD8QQO0oYwlQ=
-google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/grpc v1.72.1 h1:HR03wO6eyZ7lknl75XlxABNVLLFc2PAb6mHlYh756mA=
-google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/grpc v1.72.1/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
+google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/thoth/asnchecker.go

@@ -0,0 +1,39 @@
+package thoth
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+)
+
+type ASNChecker struct {
+	iptoasn iptoasnv1.IpToASNServiceClient
+	asns    map[uint32]struct{}
+	hash    string
+}
+
+func (asnc *ASNChecker) Check(r *http.Request) (bool, error) {
+	ctx, cancel := context.WithTimeout(r.Context(), 500*time.Millisecond)
+	defer cancel()
+
+	ipInfo, err := asnc.iptoasn.Lookup(ctx, &iptoasnv1.LookupRequest{
+		IpAddress: r.Header.Get("X-Real-Ip"),
+	})
+	if err != nil {
+		return false, err
+	}
+
+	if !ipInfo.GetAnnounced() {
+		return false, nil
+	}
+
+	_, ok := asnc.asns[uint32(ipInfo.GetAsNumber())]
+
+	return ok, nil
+}
+
+func (asnc *ASNChecker) Hash() string {
+	return asnc.hash
+}

internal/thoth/asnchecker_test.go

@@ -0,0 +1,81 @@
+package thoth
+
+import (
+	"fmt"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+)
+
+var _ checker.Impl = &ASNChecker{}
+
+func TestASNChecker(t *testing.T) {
+	cli := loadSecrets(t)
+
+	asnc := &ASNChecker{
+		iptoasn: cli.iptoasn,
+		asns: map[uint32]struct{}{
+			13335: {},
+		},
+		hash: "foobar",
+	}
+
+	for _, cs := range []struct {
+		ipAddress string
+		wantMatch bool
+		wantError bool
+	}{
+		{
+			ipAddress: "1.1.1.1",
+			wantMatch: true,
+			wantError: false,
+		},
+		{
+			ipAddress: "8.8.8.8",
+			wantMatch: false,
+			wantError: false,
+		},
+		{
+			ipAddress: "taco",
+			wantMatch: false,
+			wantError: true,
+		},
+	} {
+		t.Run(fmt.Sprintf("%v", cs), func(t *testing.T) {
+			req := httptest.NewRequest("GET", "/", nil)
+			req.Header.Set("X-Real-Ip", cs.ipAddress)
+
+			match, err := asnc.Check(req)
+
+			if match != cs.wantMatch {
+				t.Errorf("Wanted match: %v, got: %v", cs.wantMatch, match)
+			}
+
+			switch {
+			case err != nil && !cs.wantError:
+				t.Errorf("Did not want error but got: %v", err)
+			case err == nil && cs.wantError:
+				t.Error("Wanted error but got none")
+			}
+		})
+	}
+}
+
+func BenchmarkWithCache(b *testing.B) {
+	cli := loadSecrets(b)
+	req := &iptoasnv1.LookupRequest{IpAddress: "1.1.1.1"}
+
+	_, err := cli.iptoasn.Lookup(b.Context(), req)
+	if err != nil {
+		b.Error(err)
+	}
+
+	for b.Loop() {
+		_, err := cli.iptoasn.Lookup(b.Context(), req)
+		if err != nil {
+			b.Error(err)
+		}
+	}
+}

internal/thoth/auth.go

@@ -0,0 +1,39 @@
+package thoth
+
+import (
+	"context"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+)
+
+func authUnaryClientInterceptor(token string) grpc.UnaryClientInterceptor {
+	return func(
+		ctx context.Context,
+		method string,
+		req interface{},
+		reply interface{},
+		cc *grpc.ClientConn,
+		invoker grpc.UnaryInvoker,
+		opts ...grpc.CallOption,
+	) error {
+		md := metadata.Pairs("authorization", "Bearer "+token)
+		ctx = metadata.NewOutgoingContext(ctx, md)
+		return invoker(ctx, method, req, reply, cc, opts...)
+	}
+}
+
+func authStreamClientInterceptor(token string) grpc.StreamClientInterceptor {
+	return func(
+		ctx context.Context,
+		desc *grpc.StreamDesc,
+		cc *grpc.ClientConn,
+		method string,
+		streamer grpc.Streamer,
+		opts ...grpc.CallOption,
+	) (grpc.ClientStream, error) {
+		md := metadata.Pairs("authorization", "Bearer "+token)
+		ctx = metadata.NewOutgoingContext(ctx, md)
+		return streamer(ctx, desc, cc, method, opts...)
+	}
+}

internal/thoth/cachediptoasn.go

@@ -0,0 +1,84 @@
+package thoth
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/netip"
+
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+	"github.com/gaissmai/bart"
+	"google.golang.org/grpc"
+)
+
+type IPToASNWithCache struct {
+	next  iptoasnv1.IpToASNServiceClient
+	table *bart.Table[*iptoasnv1.LookupResponse]
+}
+
+func NewIpToASNWithCache(next iptoasnv1.IpToASNServiceClient) *IPToASNWithCache {
+	result := &IPToASNWithCache{
+		next:  next,
+		table: &bart.Table[*iptoasnv1.LookupResponse]{},
+	}
+
+	for _, pfx := range []netip.Prefix{
+		netip.MustParsePrefix("10.0.0.0/8"),         // RFC 1918
+		netip.MustParsePrefix("172.16.0.0/12"),      // RFC 1918
+		netip.MustParsePrefix("192.168.0.0/16"),     // RFC 1918
+		netip.MustParsePrefix("127.0.0.0/8"),        // Loopback
+		netip.MustParsePrefix("169.254.0.0/16"),     // Link-local
+		netip.MustParsePrefix("100.64.0.0/10"),      // CGNAT
+		netip.MustParsePrefix("192.0.0.0/24"),       // Protocol assignments
+		netip.MustParsePrefix("192.0.2.0/24"),       // TEST-NET-1
+		netip.MustParsePrefix("198.18.0.0/15"),      // Benchmarking
+		netip.MustParsePrefix("198.51.100.0/24"),    // TEST-NET-2
+		netip.MustParsePrefix("203.0.113.0/24"),     // TEST-NET-3
+		netip.MustParsePrefix("240.0.0.0/4"),        // Reserved
+		netip.MustParsePrefix("255.255.255.255/32"), // Broadcast
+		netip.MustParsePrefix("fc00::/7"),           // Unique local address
+		netip.MustParsePrefix("fe80::/10"),          // Link-local
+		netip.MustParsePrefix("::1/128"),            // Loopback
+		netip.MustParsePrefix("::/128"),             // Unspecified
+		netip.MustParsePrefix("100::/64"),           // Discard-only
+		netip.MustParsePrefix("2001:db8::/32"),      // Documentation
+	} {
+		result.table.Insert(pfx, &iptoasnv1.LookupResponse{Announced: false})
+	}
+
+	return result
+}
+
+func (ip2asn *IPToASNWithCache) Lookup(ctx context.Context, lr *iptoasnv1.LookupRequest, opts ...grpc.CallOption) (*iptoasnv1.LookupResponse, error) {
+	addr, err := netip.ParseAddr(lr.GetIpAddress())
+	if err != nil {
+		return nil, fmt.Errorf("input is not an IP address: %w", err)
+	}
+
+	cachedResponse, ok := ip2asn.table.Lookup(addr)
+	if ok {
+		return cachedResponse, nil
+	}
+
+	resp, err := ip2asn.next.Lookup(ctx, lr, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	var errs []error
+	for _, cidr := range resp.GetCidr() {
+		pfx, err := netip.ParsePrefix(cidr)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		ip2asn.table.Insert(pfx, resp)
+	}
+
+	if len(errs) != 0 {
+		slog.Error("errors parsing IP prefixes", "err", errors.Join(errs...))
+	}
+
+	return resp, nil
+}

internal/thoth/context.go

@@ -0,0 +1,14 @@
+package thoth
+
+import "context"
+
+type ctxKey struct{}
+
+func With(ctx context.Context, cli *Client) context.Context {
+	return context.WithValue(ctx, ctxKey{}, cli)
+}
+
+func FromContext(ctx context.Context) (*Client, bool) {
+	cli, ok := ctx.Value(ctxKey{}).(*Client)
+	return cli, ok
+}

internal/thoth/geoipchecker.go

@@ -0,0 +1,40 @@
+package thoth
+
+import (
+	"context"
+	"net/http"
+	"strings"
+	"time"
+
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+)
+
+type GeoIPChecker struct {
+	iptoasn   iptoasnv1.IpToASNServiceClient
+	countries map[string]struct{}
+	hash      string
+}
+
+func (gipc *GeoIPChecker) Check(r *http.Request) (bool, error) {
+	ctx, cancel := context.WithTimeout(r.Context(), 500*time.Millisecond)
+	defer cancel()
+
+	ipInfo, err := gipc.iptoasn.Lookup(ctx, &iptoasnv1.LookupRequest{
+		IpAddress: r.Header.Get("X-Real-Ip"),
+	})
+	if err != nil {
+		return false, err
+	}
+
+	if !ipInfo.GetAnnounced() {
+		return false, nil
+	}
+
+	_, ok := gipc.countries[strings.ToLower(ipInfo.GetCountryCode())]
+
+	return ok, nil
+}
+
+func (gipc *GeoIPChecker) Hash() string {
+	return gipc.hash
+}

internal/thoth/geoipchecker_test.go

@@ -0,0 +1,63 @@
+package thoth
+
+import (
+	"fmt"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
+)
+
+var _ checker.Impl = &ASNChecker{}
+
+func TestGeoIPChecker(t *testing.T) {
+	cli := loadSecrets(t)
+
+	asnc := &GeoIPChecker{
+		iptoasn: cli.iptoasn,
+		countries: map[string]struct{}{
+			"us": {},
+		},
+		hash: "foobar",
+	}
+
+	for _, cs := range []struct {
+		ipAddress string
+		wantMatch bool
+		wantError bool
+	}{
+		{
+			ipAddress: "1.1.1.1",
+			wantMatch: true,
+			wantError: false,
+		},
+		{
+			ipAddress: "70.31.0.1",
+			wantMatch: false,
+			wantError: false,
+		},
+		{
+			ipAddress: "taco",
+			wantMatch: false,
+			wantError: true,
+		},
+	} {
+		t.Run(fmt.Sprintf("%v", cs), func(t *testing.T) {
+			req := httptest.NewRequest("GET", "/", nil)
+			req.Header.Set("X-Real-Ip", cs.ipAddress)
+
+			match, err := asnc.Check(req)
+
+			if match != cs.wantMatch {
+				t.Errorf("Wanted match: %v, got: %v", cs.wantMatch, match)
+			}
+
+			switch {
+			case err != nil && !cs.wantError:
+				t.Errorf("Did not want error but got: %v", err)
+			case err == nil && cs.wantError:
+				t.Error("Wanted error but got none")
+			}
+		})
+	}
+}

internal/thoth/thoth.go

@@ -0,0 +1,114 @@
+package thoth
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/TecharoHQ/anubis/internal"
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+	grpcprom "github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus"
+	"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/timeout"
+	"github.com/prometheus/client_golang/prometheus"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	healthv1 "google.golang.org/grpc/health/grpc_health_v1"
+)
+
+type Client struct {
+	thothURL string
+
+	conn    *grpc.ClientConn
+	health  healthv1.HealthClient
+	iptoasn iptoasnv1.IpToASNServiceClient
+}
+
+func New(ctx context.Context, thothURL, apiToken string) (*Client, error) {
+	clMetrics := grpcprom.NewClientMetrics(
+		grpcprom.WithClientHandlingTimeHistogram(
+			grpcprom.WithHistogramBuckets([]float64{0.001, 0.01, 0.1, 0.3, 0.6, 1, 3, 6, 9, 20, 30, 60, 90, 120}),
+		),
+	)
+	prometheus.DefaultRegisterer.Register(clMetrics)
+
+	conn, err := grpc.DialContext(
+		ctx,
+		thothURL,
+		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
+		grpc.WithChainUnaryInterceptor(
+			timeout.UnaryClientInterceptor(500*time.Millisecond),
+			clMetrics.UnaryClientInterceptor(),
+			authUnaryClientInterceptor(apiToken),
+		),
+		grpc.WithChainStreamInterceptor(
+			clMetrics.StreamClientInterceptor(),
+			authStreamClientInterceptor(apiToken),
+		),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("can't dial thoth at %s: %w", thothURL, err)
+	}
+
+	hc := healthv1.NewHealthClient(conn)
+
+	resp, err := hc.Check(ctx, &healthv1.HealthCheckRequest{})
+	if err != nil {
+		return nil, fmt.Errorf("can't verify thoth health at %s: %w", thothURL, err)
+	}
+
+	if resp.Status != healthv1.HealthCheckResponse_SERVING {
+		return nil, fmt.Errorf("thoth is not healthy, wanted %s but got %s", healthv1.HealthCheckResponse_SERVING, resp.Status)
+	}
+
+	return &Client{
+		conn:    conn,
+		health:  hc,
+		iptoasn: NewIpToASNWithCache(iptoasnv1.NewIpToASNServiceClient(conn)),
+	}, nil
+}
+
+func (c *Client) Close() error {
+	if c.conn != nil {
+		return c.conn.Close()
+	}
+	return nil
+}
+
+func (c *Client) WithIPToASNService(impl iptoasnv1.IpToASNServiceClient) {
+	c.iptoasn = impl
+}
+
+func (c *Client) ASNCheckerFor(asns []uint32) checker.Impl {
+	asnMap := map[uint32]struct{}{}
+	var sb strings.Builder
+	fmt.Fprintln(&sb, "ASNChecker")
+	for _, asn := range asns {
+		asnMap[asn] = struct{}{}
+		fmt.Fprintln(&sb, "AS", asn)
+	}
+
+	return &ASNChecker{
+		iptoasn: c.iptoasn,
+		asns:    asnMap,
+		hash:    internal.SHA256sum(sb.String()),
+	}
+}
+
+func (c *Client) GeoIPCheckerFor(countries []string) checker.Impl {
+	countryMap := map[string]struct{}{}
+	var sb strings.Builder
+	fmt.Fprintln(&sb, "GeoIPChecker")
+	for _, cc := range countries {
+		countryMap[cc] = struct{}{}
+		fmt.Fprintln(&sb, cc)
+	}
+
+	return &GeoIPChecker{
+		iptoasn:   c.iptoasn,
+		countries: countryMap,
+		hash:      sb.String(),
+	}
+}

internal/thoth/thoth_test.go

@@ -0,0 +1,29 @@
+package thoth
+
+import (
+	"os"
+	"testing"
+
+	"github.com/joho/godotenv"
+)
+
+func loadSecrets(t testing.TB) *Client {
+	if err := godotenv.Load(); err != nil {
+		t.Skip(".env not defined, can't load thoth secrets")
+	}
+
+	cli, err := New(t.Context(), os.Getenv("THOTH_URL"), os.Getenv("THOTH_API_KEY"))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	return cli
+}
+
+func TestNew(t *testing.T) {
+	cli := loadSecrets(t)
+
+	if err := cli.Close(); err != nil {
+		t.Fatal(err)
+	}
+}

internal/thoth/thothmock/iptoasn.go

@@ -0,0 +1,44 @@
+package thothmock
+
+import (
+	"context"
+
+	iptoasnv1 "github.com/TecharoHQ/thoth-proto/gen/techaro/thoth/iptoasn/v1"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func MockIpToASNService() *IpToASNService {
+	responses := map[string]*iptoasnv1.LookupResponse{
+		"1.1.1.1": {
+			Announced:   true,
+			AsNumber:    13335,
+			Cidr:        []string{"1.1.1.0/24"},
+			CountryCode: "US",
+			Description: "Cloudflare",
+		},
+		"2.2.2.2": {
+			Announced:   true,
+			AsNumber:    420,
+			Cidr:        []string{"2.2.2.0/24"},
+			CountryCode: "CA",
+			Description: "test canada",
+		},
+	}
+
+	return &IpToASNService{Responses: responses}
+}
+
+type IpToASNService struct {
+	Responses map[string]*iptoasnv1.LookupResponse
+}
+
+func (ip2asn *IpToASNService) Lookup(ctx context.Context, lr *iptoasnv1.LookupRequest, opts ...grpc.CallOption) (*iptoasnv1.LookupResponse, error) {
+	resp, ok := ip2asn.Responses[lr.GetIpAddress()]
+	if !ok {
+		return nil, status.Error(codes.NotFound, "IP address not found in mock")
+	}
+
+	return resp, nil
+}

lib/anubis_test.go

@@ -14,6 +14,8 @@ import (
 	"github.com/TecharoHQ/anubis"
 	"github.com/TecharoHQ/anubis/data"
 	"github.com/TecharoHQ/anubis/internal"
+	"github.com/TecharoHQ/anubis/internal/thoth"
+	"github.com/TecharoHQ/anubis/internal/thoth/thothmock"
 	"github.com/TecharoHQ/anubis/lib/policy"
 	"github.com/TecharoHQ/anubis/lib/policy/config"
 )
@@ -21,7 +23,11 @@ import (
 func loadPolicies(t *testing.T, fname string) *policy.ParsedConfig {
 	t.Helper()
 
-	anubisPolicy, err := LoadPoliciesOrDefault(fname, anubis.DefaultDifficulty)
+	thothCli := &thoth.Client{}
+	thothCli.WithIPToASNService(thothmock.MockIpToASNService())
+	ctx := thoth.With(t.Context(), thothCli)
+
+	anubisPolicy, err := LoadPoliciesOrDefault(ctx, fname, anubis.DefaultDifficulty)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -118,7 +124,7 @@ func TestLoadPolicies(t *testing.T) {
 			}
 			defer fin.Close()
 
-			if _, err := policy.ParseConfig(fin, fname, 4); err != nil {
+			if _, err := policy.ParseConfig(t.Context(), fin, fname, 4); err != nil {
 				t.Fatal(err)
 			}
 		})
@@ -268,7 +274,7 @@ func TestCheckDefaultDifficultyMatchesPolicy(t *testing.T) {
 
 	for i := 1; i < 10; i++ {
 		t.Run(fmt.Sprint(i), func(t *testing.T) {
-			anubisPolicy, err := LoadPoliciesOrDefault("", i)
+			anubisPolicy, err := LoadPoliciesOrDefault(t.Context(), "", i)
 			if err != nil {
 				t.Fatal(err)
 			}

lib/config.go

@@ -1,6 +1,7 @@
 package lib
 
 import (
+	"context"
 	"crypto/ed25519"
 	"crypto/rand"
 	"fmt"
@@ -40,7 +41,7 @@ type Options struct {
 	ServeRobotsTXT       bool
 }
 
-func LoadPoliciesOrDefault(fname string, defaultDifficulty int) (*policy.ParsedConfig, error) {
+func LoadPoliciesOrDefault(ctx context.Context, fname string, defaultDifficulty int) (*policy.ParsedConfig, error) {
 	var fin io.ReadCloser
 	var err error
 
@@ -64,7 +65,7 @@ func LoadPoliciesOrDefault(fname string, defaultDifficulty int) (*policy.ParsedC
 		}
 	}(fin)
 
-	anubisPolicy, err := policy.ParseConfig(fin, fname, defaultDifficulty)
+	anubisPolicy, err := policy.ParseConfig(ctx, fin, fname, defaultDifficulty)
 
 	return anubisPolicy, err
 }

lib/policy/bot.go

@@ -4,11 +4,12 @@ import (
 	"fmt"
 
 	"github.com/TecharoHQ/anubis/internal"
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
 	"github.com/TecharoHQ/anubis/lib/policy/config"
 )
 
 type Bot struct {
-	Rules     Checker
+	Rules     checker.Impl
 	Challenge *config.ChallengeRules
 	Name      string
 	Action    config.Rule

lib/policy/checker.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 
 	"github.com/TecharoHQ/anubis/internal"
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
 	"github.com/yl2chen/cidranger"
 )
 
@@ -16,43 +17,12 @@ var (
 	ErrMisconfiguration = errors.New("[unexpected] policy: administrator misconfiguration")
 )
 
-type Checker interface {
-	Check(*http.Request) (bool, error)
-	Hash() string
-}
-
-type CheckerList []Checker
-
-func (cl CheckerList) Check(r *http.Request) (bool, error) {
-	for _, c := range cl {
-		ok, err := c.Check(r)
-		if err != nil {
-			return ok, err
-		}
-		if ok {
-			return ok, nil
-		}
-	}
-
-	return false, nil
-}
-
-func (cl CheckerList) Hash() string {
-	var sb strings.Builder
-
-	for _, c := range cl {
-		fmt.Fprintln(&sb, c.Hash())
-	}
-
-	return internal.SHA256sum(sb.String())
-}
-
 type RemoteAddrChecker struct {
 	ranger cidranger.Ranger
 	hash   string
 }
 
-func NewRemoteAddrChecker(cidrs []string) (Checker, error) {
+func NewRemoteAddrChecker(cidrs []string) (checker.Impl, error) {
 	ranger := cidranger.NewPCTrieRanger()
 	var sb strings.Builder
 
@@ -105,11 +75,11 @@ type HeaderMatchesChecker struct {
 	hash   string
 }
 
-func NewUserAgentChecker(rexStr string) (Checker, error) {
+func NewUserAgentChecker(rexStr string) (checker.Impl, error) {
 	return NewHeaderMatchesChecker("User-Agent", rexStr)
 }
 
-func NewHeaderMatchesChecker(header, rexStr string) (Checker, error) {
+func NewHeaderMatchesChecker(header, rexStr string) (checker.Impl, error) {
 	rex, err := regexp.Compile(strings.TrimSpace(rexStr))
 	if err != nil {
 		return nil, fmt.Errorf("%w: regex %s failed parse: %w", ErrMisconfiguration, rexStr, err)
@@ -134,7 +104,7 @@ type PathChecker struct {
 	hash   string
 }
 
-func NewPathChecker(rexStr string) (Checker, error) {
+func NewPathChecker(rexStr string) (checker.Impl, error) {
 	rex, err := regexp.Compile(strings.TrimSpace(rexStr))
 	if err != nil {
 		return nil, fmt.Errorf("%w: regex %s failed parse: %w", ErrMisconfiguration, rexStr, err)
@@ -154,7 +124,7 @@ func (pc *PathChecker) Hash() string {
 	return pc.hash
 }
 
-func NewHeaderExistsChecker(key string) Checker {
+func NewHeaderExistsChecker(key string) checker.Impl {
 	return headerExistsChecker{strings.TrimSpace(key)}
 }
 
@@ -174,8 +144,8 @@ func (hec headerExistsChecker) Hash() string {
 	return internal.SHA256sum(hec.header)
 }
 
-func NewHeadersChecker(headermap map[string]string) (Checker, error) {
+func NewHeadersChecker(headermap map[string]string) (checker.Impl, error) {
-	var result CheckerList
+	var result checker.List
 	var errs []error
 
 	for key, rexStr := range headermap {

lib/policy/checker/checker.go

@@ -0,0 +1,41 @@
+// Package checker defines the Checker interface and a helper utility to avoid import cycles.
+package checker
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/TecharoHQ/anubis/internal"
+)
+
+type Impl interface {
+	Check(*http.Request) (bool, error)
+	Hash() string
+}
+
+type List []Impl
+
+func (l List) Check(r *http.Request) (bool, error) {
+	for _, c := range l {
+		ok, err := c.Check(r)
+		if err != nil {
+			return ok, err
+		}
+		if ok {
+			return ok, nil
+		}
+	}
+
+	return false, nil
+}
+
+func (l List) Hash() string {
+	var sb strings.Builder
+
+	for _, c := range l {
+		fmt.Fprintln(&sb, c.Hash())
+	}
+
+	return internal.SHA256sum(sb.String())
+}

lib/policy/config/asn.go

@@ -0,0 +1,44 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+)
+
+var (
+	ErrPrivateASN = errors.New("bot.ASNs: you have specified a private use ASN")
+)
+
+type ASNs struct {
+	Match []uint32 `json:"match"`
+}
+
+func (a *ASNs) Valid() error {
+	var errs []error
+
+	for _, asn := range a.Match {
+		if isPrivateASN(asn) {
+			errs = append(errs, fmt.Errorf("%w: %d is private (see RFC 6996)", ErrPrivateASN, asn))
+		}
+	}
+
+	if len(errs) != 0 {
+		return fmt.Errorf("bot.ASNs: invalid ASN settings: %w", errors.Join(errs...))
+	}
+
+	return nil
+}
+
+// isPrivateASN checks if an ASN is in the private use area.
+//
+// Based on RFC 6996 and IANA allocations.
+func isPrivateASN(asn uint32) bool {
+	switch {
+	case asn >= 64512 && asn <= 65534:
+		return true
+	case asn >= 4200000000 && asn <= 4294967294:
+		return true
+	default:
+		return false
+	}
+}

lib/policy/config/config.go

@@ -51,14 +51,16 @@ const (
 )
 
 type BotConfig struct {
-	UserAgentRegex *string           `json:"user_agent_regex"`
+	UserAgentRegex *string           `json:"user_agent_regex,omitempty"`
-	PathRegex      *string           `json:"path_regex"`
+	PathRegex      *string           `json:"path_regex,omitempty"`
-	HeadersRegex   map[string]string `json:"headers_regex"`
+	HeadersRegex   map[string]string `json:"headers_regex,omitempty"`
-	Expression     *ExpressionOrList `json:"expression"`
+	Expression     *ExpressionOrList `json:"expression,omitempty"`
 	Challenge      *ChallengeRules   `json:"challenge,omitempty"`
+	GeoIP          *GeoIP            `json:"geoip,omitempty"`
+	ASNs           *ASNs             `json:"asns,omitempty"`
 	Name           string            `json:"name"`
 	Action         Rule              `json:"action"`
-	RemoteAddr     []string          `json:"remote_addresses"`
+	RemoteAddr     []string          `json:"remote_addresses,omitempty"`
 }
 
 func (b BotConfig) Zero() bool {
@@ -89,7 +91,9 @@ func (b BotConfig) Valid() error {
 	allFieldsEmpty := b.UserAgentRegex == nil &&
 		b.PathRegex == nil &&
 		len(b.RemoteAddr) == 0 &&
-		len(b.HeadersRegex) == 0
+		len(b.HeadersRegex) == 0 &&
+		b.ASNs == nil &&
+		b.GeoIP == nil
 
 	if allFieldsEmpty && b.Expression == nil {
 		errs = append(errs, ErrBotMustHaveUserAgentOrPath)

lib/policy/config/geoip.go

@@ -0,0 +1,36 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+var (
+	countryCodeRegexp = regexp.MustCompile(`^\w{2}$`)
+
+	ErrNotCountryCode = errors.New("config.Bot: invalid country code")
+)
+
+type GeoIP struct {
+	Countries []string `json:"countries"`
+}
+
+func (g *GeoIP) Valid() error {
+	var errs []error
+
+	for i, cc := range g.Countries {
+		if !countryCodeRegexp.MatchString(cc) {
+			errs = append(errs, fmt.Errorf("%w: %s", ErrNotCountryCode, cc))
+		}
+
+		g.Countries[i] = strings.ToLower(cc)
+	}
+
+	if len(errs) != 0 {
+		return fmt.Errorf("bot.GeoIP: invalid GeoIP settings: %w", errors.Join(errs...))
+	}
+
+	return nil
+}

lib/policy/config/geoip_test.go

@@ -0,0 +1,33 @@
+package config
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestGeoIPValid(t *testing.T) {
+	for _, cs := range []struct {
+		name      string
+		countries []string
+		err       error
+	}{
+		{
+			name:      "basic-working",
+			countries: []string{"US", "Ca", "mx"},
+			err:       nil,
+		},
+	} {
+		t.Run(cs.name, func(t *testing.T) {
+			g := &GeoIP{
+				Countries: cs.countries,
+			}
+			err := g.Valid()
+			if !errors.Is(err, cs.err) {
+				t.Fatalf("wanted error %v but got: %v", cs.err, err)
+			}
+			if err == nil && cs.err != nil {
+				t.Fatalf("wanted error %v but got none", cs.err)
+			}
+		})
+	}
+}

lib/policy/config/testdata/good/challenge_cloudflare.yaml

@@ -0,0 +1,6 @@
+bots:
+  - name: challenge-cloudflare
+    action: CHALLENGE
+    asns:
+      match:
+        - 13335 # Cloudflare

lib/policy/config/testdata/good/geoip_us.yaml

@@ -0,0 +1,6 @@
+bots:
+  - name: compute-tarrif-us
+    action: CHALLENGE
+    geoip:
+      countries:
+        - US

lib/policy/policy.go

@@ -1,6 +1,7 @@
 package policy
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io"
@@ -8,6 +9,8 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 
+	"github.com/TecharoHQ/anubis/internal/thoth"
+	"github.com/TecharoHQ/anubis/lib/policy/checker"
 	"github.com/TecharoHQ/anubis/lib/policy/config"
 )
 
@@ -16,6 +19,8 @@ var (
 		Name: "anubis_policy_results",
 		Help: "The results of each policy rule",
 	}, []string{"rule", "action"})
+
+	ErrNoThothClient = errors.New("config: you have specified Thoth related checks but have no active Thoth client")
 )
 
 type ParsedConfig struct {
@@ -34,7 +39,7 @@ func NewParsedConfig(orig *config.Config) *ParsedConfig {
 	}
 }
 
-func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedConfig, error) {
+func ParseConfig(ctx context.Context, fin io.Reader, fname string, defaultDifficulty int) (*ParsedConfig, error) {
 	c, err := config.Load(fin, fname)
 	if err != nil {
 		return nil, err
@@ -42,6 +47,8 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 
 	var validationErrs []error
 
+	tc, hasThothClient := thoth.FromContext(ctx)
+
 	result := NewParsedConfig(c)
 	result.DefaultDifficulty = defaultDifficulty
 
@@ -56,7 +63,7 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 			Action: b.Action,
 		}
 
-		cl := CheckerList{}
+		cl := checker.List{}
 
 		if len(b.RemoteAddr) > 0 {
 			c, err := NewRemoteAddrChecker(b.RemoteAddr)
@@ -103,6 +110,24 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 			}
 		}
 
+		if b.ASNs != nil {
+			if !hasThothClient {
+				validationErrs = append(validationErrs, fmt.Errorf("%w: %w", ErrMisconfiguration, ErrNoThothClient))
+				continue
+			}
+
+			cl = append(cl, tc.ASNCheckerFor(b.ASNs.Match))
+		}
+
+		if b.GeoIP != nil {
+			if !hasThothClient {
+				validationErrs = append(validationErrs, fmt.Errorf("%w: %w", ErrMisconfiguration, ErrNoThothClient))
+				continue
+			}
+
+			cl = append(cl, tc.GeoIPCheckerFor(b.GeoIP.Countries))
+		}
+
 		if b.Challenge == nil {
 			parsedBot.Challenge = &config.ChallengeRules{
 				Difficulty: defaultDifficulty,

lib/policy/policy_test.go

@@ -7,6 +7,8 @@ import (
 
 	"github.com/TecharoHQ/anubis"
 	"github.com/TecharoHQ/anubis/data"
+	"github.com/TecharoHQ/anubis/internal/thoth"
+	"github.com/TecharoHQ/anubis/internal/thoth/thothmock"
 )
 
 func TestDefaultPolicyMustParse(t *testing.T) {
@@ -16,7 +18,11 @@ func TestDefaultPolicyMustParse(t *testing.T) {
 	}
 	defer fin.Close()
 
-	if _, err := ParseConfig(fin, "botPolicies.json", anubis.DefaultDifficulty); err != nil {
+	thothCli := &thoth.Client{}
+	thothCli.WithIPToASNService(thothmock.MockIpToASNService())
+	ctx := thoth.With(t.Context(), thothCli)
+
+	if _, err := ParseConfig(ctx, fin, "botPolicies.json", anubis.DefaultDifficulty); err != nil {
 		t.Fatalf("can't parse config: %v", err)
 	}
 }
@@ -36,7 +42,11 @@ func TestGoodConfigs(t *testing.T) {
 			}
 			defer fin.Close()
 
-			if _, err := ParseConfig(fin, fin.Name(), anubis.DefaultDifficulty); err != nil {
+			thothCli := &thoth.Client{}
+			thothCli.WithIPToASNService(thothmock.MockIpToASNService())
+			ctx := thoth.With(t.Context(), thothCli)
+
+			if _, err := ParseConfig(ctx, fin, fin.Name(), anubis.DefaultDifficulty); err != nil {
 				t.Fatal(err)
 			}
 		})
@@ -58,7 +68,11 @@ func TestBadConfigs(t *testing.T) {
 			}
 			defer fin.Close()
 
-			if _, err := ParseConfig(fin, fin.Name(), anubis.DefaultDifficulty); err == nil {
+			thothCli := &thoth.Client{}
+			thothCli.WithIPToASNService(thothmock.MockIpToASNService())
+			ctx := thoth.With(t.Context(), thothCli)
+
+			if _, err := ParseConfig(ctx, fin, fin.Name(), anubis.DefaultDifficulty); err == nil {
 				t.Fatal(err)
 			} else {
 				t.Log(err)