Merge pull request 'feat: add nostr relay' (#4) from feat/add_nostr_relay into main

Reviewed-on: https://git.devvul.com///Asara/well-goknown/pulls/4

README.md

@@ -17,3 +17,8 @@ GRANT ALL PRIVILEGES ON DATABASE wgk TO wgk;
 ALTER DATABASE wgk OWNER TO wgk;
 EOF
 ```
+
+To build a release version, go to a tag and run:
+```
+go build -ldflags="-X main.Commit=$(git tag)"
+```

config/config.go

@@ -12,6 +12,11 @@ type (
 		MatrixIdentityServer   string
 		MatrixMsc3575Address   string
 		MatrixWellKnownAddress string
+		RelayName              string
+		RelayPubkey            string
+		RelayDescription       string
+		RelayIcon              string
+		RelayContact           string
 	}
 )
 
@@ -23,6 +28,11 @@ func GetConfig() Config {
 		MatrixIdentityServer:   getEnv("MATRIX_IDENTITY_SERVER", ""),
 		MatrixMsc3575Address:   getEnv("MATRIX_MSC3575_ADDRESS", ""),
 		MatrixWellKnownAddress: getEnv("MATRIX_WELL_KNOWN_ADDRESS", ""),
+		RelayName:              getEnv("RELAY_NAME", ""),
+		RelayPubkey:            getEnv("RELAY_PUBKEY", ""),
+		RelayDescription:       getEnv("RELAY_DESCRIPTION", ""),
+		RelayIcon:              getEnv("RELAY_ICON", ""),
+		RelayContact:           getEnv("RELAY_CONTACT", ""),
 	}
 }
 

db/db.go

@@ -1,8 +1,8 @@
 package db
 
 import (
-	"git.minhas.io/asara/gologger"
+	"git.devvul.com/asara/gologger"
-	"git.minhas.io/asara/well-goknown/config"
+	"git.devvul.com/asara/well-goknown/config"
 	"github.com/jmoiron/sqlx"
 	_ "github.com/lib/pq"
 )

go.mod

@@ -1,16 +1,41 @@
-module git.minhas.io/asara/well-goknown
+module git.devvul.com/asara/well-goknown
 
-go 1.19
+go 1.23.0
 
 require (
-	git.minhas.io/asara/gologger v0.7.0
+	git.devvul.com/asara/gologger v0.8.0
+	github.com/fiatjaf/eventstore v0.7.1
+	github.com/fiatjaf/khatru v0.7.5
 	github.com/jmoiron/sqlx v1.4.0
 	github.com/lib/pq v1.10.9
+	github.com/nbd-wtf/go-nostr v0.34.5
 )
 
 require (
-	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
-	github.com/rs/zerolog v1.30.0 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
-	golang.org/x/sys v0.6.0 // indirect
+	github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/fasthttp/websocket v1.5.7 // indirect
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+	github.com/gobwas/ws v1.3.1 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/klauspost/compress v1.17.8 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/puzpuzpuz/xsync/v3 v3.0.2 // indirect
+	github.com/rs/cors v1.7.0 // indirect
+	github.com/rs/zerolog v1.33.0 // indirect
+	github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee // indirect
+	github.com/tidwall/gjson v1.17.0 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.51.0 // indirect
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
+	golang.org/x/net v0.18.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 )

go.sum

@@ -1,26 +1,87 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-git.minhas.io/asara/gologger v0.7.0 h1:pY3III9B/gBIXKyCHuyXwUV+4cBUj0swZciXQtsgVlY=
+git.devvul.com/asara/gologger v0.8.0 h1:UsBgNr1ZNpDVqVMTNy3KzSV1afqP0vmTiZvKXZ4YoGk=
-git.minhas.io/asara/gologger v0.7.0/go.mod h1:5VKIJo/rWCJayKr4PteS9s9LE6zPlrsOC70C86/Zipg=
+git.devvul.com/asara/gologger v0.8.0/go.mod h1:APr1DdVYByFfPUGHqHtRMhxphQbj92/vT/t0iM40H/0=
+github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
+github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/btcsuite/btcd/btcec/v2 v2.3.2 h1:5n0X6hX0Zk+6omWcihdYvdAlGf2DfasC0GMf7DClJ3U=
+github.com/btcsuite/btcd/btcec/v2 v2.3.2/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 h1:KdUfX2zKommPRa+PD0sWZUyXe9w277ABlgELO7H04IM=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/decred/dcrd/crypto/blake256 v1.0.1 h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=
+github.com/decred/dcrd/crypto/blake256 v1.0.1/go.mod h1:2OfgNZ5wDpcsFmHmCK5gZTPcCXqlm2ArzUIkw9czNJo=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 h1:8UrgZ3GkP4i/CLijOJx79Yu+etlyjdBU4sfcs2WYQMs=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
+github.com/fasthttp/websocket v1.5.7 h1:0a6o2OfeATvtGgoMKleURhLT6JqWPg7fYfWnH4KHau4=
+github.com/fasthttp/websocket v1.5.7/go.mod h1:bC4fxSono9czeXHQUVKxsC0sNjbm7lPJR04GDFqClfU=
+github.com/fiatjaf/eventstore v0.7.1 h1:5f2yvEtYvsvMBNttysmXhSSum5M1qwvPzjEQ/BFue7Q=
+github.com/fiatjaf/eventstore v0.7.1/go.mod h1:ek/yWbanKVG767fK51Q3+6Mvi5oEHYSsdPym40nZexw=
+github.com/fiatjaf/khatru v0.7.5 h1:UFo+cdbqHDn1W4Q4h03y3vzh1BiU+6fLYK48oWU2K34=
+github.com/fiatjaf/khatru v0.7.5/go.mod h1:WVqij7X9Vr9UAMIwafQbKVFKxc42Np37vyficwUr/nQ=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
+github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
+github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
+github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
+github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.3.1 h1:Qi34dfLMWJbiKaNbDVzM9x27nZBjmkaW6i4+Ku+pGVU=
+github.com/gobwas/ws v1.3.1/go.mod h1:hRKAFb8wOxFROYNsT1bqfWnhX+b5MFeJM9r2ZSwg/KY=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/jmoiron/sqlx v1.4.0 h1:1PLqN7S1UYp5t4SrVVnt4nUVNemrDAtxlulVe+Qgm3o=
 github.com/jmoiron/sqlx v1.4.0/go.mod h1:ZrZ7UsYB/weZdl2Bxg6jCRO9c3YHl8r3ahlKmRT4JLY=
+github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
+github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
+github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU=
+github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
 github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
-github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
+github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
-github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
-github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
-github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/nbd-wtf/go-nostr v0.34.5 h1:vti8WqvGWbVoWAPniaz7li2TpCyC+7ZS62Gmy7ib/z0=
+github.com/nbd-wtf/go-nostr v0.34.5/go.mod h1:NZQkxl96ggbO8rvDpVjcsojJqKTPwqhP4i82O7K5DJs=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/puzpuzpuz/xsync/v3 v3.0.2 h1:3yESHrRFYr6xzkz61LLkvNiPFXxJEAABanTQpKbAaew=
+github.com/puzpuzpuz/xsync/v3 v3.0.2/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
+github.com/rs/cors v1.7.0 h1:+88SsELBHx5r+hZ8TCkggzSstaWNbDvThkVK8H6f9ik=
+github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
-github.com/rs/zerolog v1.30.0 h1:SymVODrcRsaRaSInD9yQtKbtWqwsfoPcRff/oRXLj4c=
+github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
-github.com/rs/zerolog v1.30.0/go.mod h1:/tk+P47gFdPXq4QYjvCmT5/Gsug2nagsFWBWhAiSi1w=
+github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee h1:8Iv5m6xEo1NR1AvpV+7XmhI4r39LGNzwUL4YpMuL5vk=
-golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee/go.mod h1:qwtSXrKuJh/zsFQ12yEE89xfCrGKK63Rr7ctU/uCo4g=
-golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/tidwall/gjson v1.17.0 h1:/Jocvlh98kcTfpN2+JzGQWQcqrPQwDrVEMApx/M5ZwM=
+github.com/tidwall/gjson v1.17.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
+github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasthttp v1.51.0 h1:8b30A5JlZ6C7AS81RsWjYMQmrZG6feChmgAolCl1SqA=
+github.com/valyala/fasthttp v1.51.0/go.mod h1:oI2XroL+lI7vdXyYoQk03bXBThfFl2cVdIA3Xl7cH8g=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/net v0.18.0 h1:mIYleuAkSbHh0tCv7RvjL3F6ZVbLjq4+R7zbOn3Kokg=
+golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -3,11 +3,16 @@ package main
 import (
 	"net/http"
 
-	"git.minhas.io/asara/gologger"
+	"git.devvul.com/asara/gologger"
-	"git.minhas.io/asara/well-goknown/config"
+	"git.devvul.com/asara/well-goknown/config"
-	"git.minhas.io/asara/well-goknown/db"
+	"git.devvul.com/asara/well-goknown/db"
-	"git.minhas.io/asara/well-goknown/matrix"
+	"git.devvul.com/asara/well-goknown/matrix"
-	"git.minhas.io/asara/well-goknown/nostr"
+	"git.devvul.com/asara/well-goknown/nostr"
+	"github.com/fiatjaf/eventstore/postgresql"
+)
+
+var (
+	Version string
 )
 
 func main() {
@@ -16,6 +21,12 @@ func main() {
 	defer db.Close()
 
 	nostr.DB = db
+	nostr.RelayDb = postgresql.PostgresBackend{DatabaseURL: config.GetConfig().DbUrl}
+	if err := nostr.RelayDb.Init(); err != nil {
+		l.Panic().Msgf("unable to connect to relay db: %s", err.Error())
+	}
+
+	relay := nostr.NewRelay(Version)
 
 	// matrix endpoints
 	l.Debug().Msg("enabling matrix well-known endpoints")
@@ -25,6 +36,7 @@ func main() {
 	// nostr endpoints
 	l.Debug().Msg("enabling nostr well-known endpoints")
 	http.HandleFunc("/.well-known/nostr.json", nostr.GetNostrAddr)
+	http.Handle("/relay", relay)
 
 	// start server
 	port := config.GetConfig().ListenAddr

matrix/matrix.go

@@ -5,8 +5,8 @@ import (
 	"fmt"
 	"net/http"
 
-	"git.minhas.io/asara/gologger"
+	"git.devvul.com/asara/gologger"
-	"git.minhas.io/asara/well-goknown/config"
+	"git.devvul.com/asara/well-goknown/config"
 )
 
 type matrixServerWellKnown struct {

nostr/nostr.go

@@ -1,18 +1,26 @@
 package nostr
 
 import (
+	"context"
 	"encoding/json"
+	"fmt"
 	"net"
 	"net/http"
 	"strings"
 
-	"git.minhas.io/asara/gologger"
+	"git.devvul.com/asara/gologger"
-	"git.minhas.io/asara/well-goknown/config"
+	"git.devvul.com/asara/well-goknown/config"
+	"github.com/fiatjaf/eventstore/postgresql"
+	"github.com/fiatjaf/khatru"
+	"github.com/fiatjaf/khatru/policies"
 	"github.com/jmoiron/sqlx"
+	"github.com/nbd-wtf/go-nostr"
 )
 
 var (
-	DB *sqlx.DB
+	DB      *sqlx.DB
+	RelayDb postgresql.PostgresBackend
+	relay   *khatru.Relay
 )
 
 type nostrUser struct {
@@ -99,3 +107,74 @@ func GetNostrAddr(w http.ResponseWriter, r *http.Request) {
 	w.Write(j)
 	return
 }
+
+func NewRelay(version string) *khatru.Relay {
+	// relay configuration
+	relay = khatru.NewRelay()
+	relay.Info.Name = config.GetConfig().RelayName
+	relay.Info.PubKey = config.GetConfig().RelayPubkey
+	relay.Info.Description = config.GetConfig().RelayDescription
+	relay.Info.Icon = config.GetConfig().RelayIcon
+	relay.Info.Contact = config.GetConfig().RelayContact
+	relay.Info.Version = version
+	relay.Info.Software = "https://git.devvul.com/asara/well-goknown"
+	// contact lists
+	relay.Info.SupportedNIPs = append(relay.Info.SupportedNIPs, 2)
+	// dms
+	relay.Info.SupportedNIPs = append(relay.Info.SupportedNIPs, 4)
+
+	relay.OnConnect = append(relay.OnConnect, func(ctx context.Context) {
+		khatru.RequestAuth(ctx)
+	})
+
+	// storage
+	relay.StoreEvent = append(relay.StoreEvent, RelayDb.SaveEvent)
+	relay.QueryEvents = append(relay.QueryEvents, RelayDb.QueryEvents)
+	relay.CountEvents = append(relay.CountEvents, RelayDb.CountEvents)
+	relay.DeleteEvent = append(relay.DeleteEvent, RelayDb.DeleteEvent)
+
+	// apply policies
+	policies.ApplySaneDefaults(relay)
+
+	relay.RejectEvent = append(
+		relay.RejectEvent,
+		RejectUnregisteredNpubs,
+		policies.PreventLargeTags(80),
+		policies.RejectEventsWithBase64Media,
+		policies.ValidateKind,
+	)
+
+	relay.RejectFilter = append(
+		relay.RejectFilter,
+		policies.RejectKind04Snoopers,
+		policies.AntiSyncBots,
+		policies.NoComplexFilters,
+		policies.NoEmptyFilters,
+	)
+	return relay
+}
+
+func RejectUnregisteredNpubs(ctx context.Context, event *nostr.Event) (reject bool, msg string) {
+	l := gologger.Get(config.GetConfig().LogLevel).With().Str("context", "nostr-reject-unregistered").Logger()
+
+	// reject nip-04 messages to users who aren't registered
+	if event.Kind == 4 {
+		receiver := event.Tags.GetFirst([]string{"p"}).Value()
+		var uid int
+		err := DB.QueryRow("SELECT id FROM users WHERE pubkey=$1", receiver).Scan(&uid)
+		if err != nil {
+			l.Debug().Msgf("recipient pubkey %s not found: %s", receiver, err.Error())
+			return true, fmt.Sprintf("recipient pubkey %s is not registered to any users", receiver)
+		}
+		return false, ""
+	}
+
+	// check if user is registered
+	var uid int
+	err := DB.QueryRow("SELECT id FROM users WHERE pubkey=$1", event.PubKey).Scan(&uid)
+	if err != nil {
+		l.Debug().Msgf("poster pubkey %s not found: %s", event.PubKey, err.Error())
+		return true, fmt.Sprintf("pubkey %s is not registered to any users", event.PubKey)
+	}
+	return false, ""
+}

sample.env

@@ -1,5 +1,10 @@
+export DATABASE_URL="postgres://user:password@127.0.0.1:5432/db?sslmode=disable"
 export LISTEN_ADDR=":8090"
 export LOG_LEVEL=0
-export MATRIX_WELL_KNOWN_ADDRESS=matrix.example.com
 export MATRIX_MSC3575_ADDRESS=https://matrix.example.com
-export DATABASE_URL="postgres://user:password@127.0.0.1:5432/db?sslmode=disable"
+export MATRIX_WELL_KNOWN_ADDRESS=matrix.example.com
+export RELAY_CONTACT="matrix:u/asara:devvul.com"
+export RELAY_DESCRIPTION="nostr relay running via git.devvul.com/asara/well-goknown"
+export RELAY_ICON=""
+export RELAY_NAME="Nostr Relay"
+export RELAY_PUBKEY=""