Compare commits

...

9 Commits

Author SHA1 Message Date
Xe Iaso
04ecf0a6de chore: spelling 2025-05-22 12:17:26 -04:00
Xe Iaso
502640bb2f feat: wire up asn and geoip checkers
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-22 12:06:17 -04:00
Xe Iaso
86ee5697f3 chore(lib/policy): move Checker to its own package to avoid import cycles
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-22 11:19:01 -04:00
Xe Iaso
9bb38d6ad0 feat(thoth): store a thoth client in a context
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-22 11:07:38 -04:00
Xe Iaso
49ab76c9dd feat(thoth): add GeoIP checker
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-22 10:48:15 -04:00
Xe Iaso
4aea22fac5 feat(thoth): make ASNChecker instances
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-21 15:51:11 -04:00
Xe Iaso
86ad85909c fix(thoth): minor testing fixups, ensure ASNChecker is Checker
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-21 12:13:08 -04:00
Xe Iaso
315253dce7 feat(thoth): cached ip to asn checker
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-21 11:27:53 -04:00
Xe Iaso
946557b378 feat(internal): add Thoth client and simple ASN checker
Signed-off-by: Xe Iaso <me@xeiaso.net>
2025-05-21 10:57:11 -04:00
27 changed files with 880 additions and 70 deletions

View File

@@ -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

View File

@@ -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)
}

15
go.mod
View File

@@ -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/rpc v0.0.0-20240826202546-f6391c0de4c7 // indirect
google.golang.org/protobuf v1.36.5 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // 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

54
go.sum
View File

@@ -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 v1.2.0/go.mod h1:IBiWB2sKIp3wVVQ3Y035++gc+knqhUQag1KpM8ahLw8=
github.com/stoewer/go-strcase v1.3.0 h1:g0eASXYtp+yvN9fK8sH94oCIk0fau9uV1/ZdJ0AVEzs=
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 v0.0.0-20240826202546-f6391c0de4c7/go.mod h1:OCdP9MfskevB/rbYvHTsXTtKC+3bHWajPdoKgjcYkfo=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240826202546-f6391c0de4c7 h1:2035KHhUv+EpyB+hWgJnaWKJOdX1E95w2S8Rr4uWKTs=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240826202546-f6391c0de4c7/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a h1:nwKuGPlUAt+aR+pcrkfFRrTU1BVrSmYyYMxYbUIVHr0=
google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a/go.mod h1:3kWAYMk1I75K4vykHtKt2ycnOgpA6974V7bREqbsenU=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a/go.mod h1:uRxBH1mhmO8PGhU89cMcHaXKZqO+OfakD8QQO0oYwlQ=
google.golang.org/grpc v1.72.1 h1:HR03wO6eyZ7lknl75XlxABNVLLFc2PAb6mHlYh756mA=
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=

View File

@@ -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
}

View File

@@ -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)
}
}
}

39
internal/thoth/auth.go Normal file
View File

@@ -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...)
}
}

View File

@@ -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
}

14
internal/thoth/context.go Normal file
View File

@@ -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
}

View File

@@ -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
}

View File

@@ -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")
}
})
}
}

114
internal/thoth/thoth.go Normal file
View File

@@ -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(),
}
}

View File

@@ -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)
}
}

View File

@@ -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
}

View File

@@ -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)
}

View File

@@ -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
}

View File

@@ -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

View File

@@ -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) {
var result CheckerList
func NewHeadersChecker(headermap map[string]string) (checker.Impl, error) {
var result checker.List
var errs []error
for key, rexStr := range headermap {

View File

@@ -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())
}

44
lib/policy/config/asn.go Normal file
View File

@@ -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
}
}

View File

@@ -51,14 +51,16 @@ const (
)
type BotConfig struct {
UserAgentRegex *string `json:"user_agent_regex"`
PathRegex *string `json:"path_regex"`
HeadersRegex map[string]string `json:"headers_regex"`
Expression *ExpressionOrList `json:"expression"`
UserAgentRegex *string `json:"user_agent_regex,omitempty"`
PathRegex *string `json:"path_regex,omitempty"`
HeadersRegex map[string]string `json:"headers_regex,omitempty"`
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)

View File

@@ -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
}

View File

@@ -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)
}
})
}
}

View File

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

View File

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

View File

@@ -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,

View File

@@ -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)