Merge pull request 'Add bbolt store' (#3) from feature/bbolt-db into master

Reviewed-on: #3

Dockerfile

@@ -25,4 +25,5 @@ COPY --from=builder /app/etc/apiary/apiary.toml /app/apiary.toml
 COPY --from=builder /app/bin/apiary /app/apiary
 EXPOSE 8080
 EXPOSE 2222
+HEALTHCHECK --interval=1m --timeout=10s --start-period=5s --retries=3 CMD curl -s -o /dev/null -w "%{http_code}" http://127.0.0.1:8080/api/health || exit 1
 CMD ["/app/apiary", "serve"]

Makefile

@@ -5,14 +5,14 @@ NAME = apiary
 
 INSTALL_PREFIX ?= /usr/local
 
-VERSION = $(shell cat version.go |grep "var Version"| cut -d "=" -f2| tr -d "\" ")
+VERSION = $(shell cat version.go |grep "Version"| head -n 1 |cut -d "=" -f2| tr -d "\" ")
 ARCH = $(shell go env | grep GOHOSTARCH | cut -d"=" -f2 | tr -d "\"")
 OS = $(shell go env | grep GOHOSTOS | cut -d"=" -f2 | tr -d "\"")
 GIT_COMMIT := $(shell git rev-parse --short HEAD)
 
 BUILD_DIR = build/binary/current
 BUILD_OUTPUT = $(BUILD_DIR)/$(NAME)-$(VERSION)-$(OS)-$(ARCH)
-BUILD_FLAGS = -tags embed -ldflags "-X github.uio.no/torjus/apiary.Build=$(GIT_COMMIT)" -o $(BUILD_OUTPUT)
+BUILD_FLAGS = -tags embed -ldflags "-X git.t-juice.club/torjus/apiary.Build=$(GIT_COMMIT)" -o $(BUILD_OUTPUT)
 
 GEODB_URL = https://raw.githubusercontent.com/geoacumen/geoacumen-country/master/Geoacumen-Country.mmdb
 GEODB_PATH = honeypot/Geoacumen-Country.mmdb

README.md

@@ -33,3 +33,14 @@ vim /etc/apiary/apiary.toml
 # 2021-04-10T11:27:42.783+0200    INFO   APP     Starting SSH server
 # 2021-04-10T11:27:42.783+0200    INFO   APP     Starting web server
 ```
+
+## Development
+
+Run postgres-tests by running a postgres container:
+
+```text
+podman run -d -q -e POSTGRES_PASSWORD=apiary -e POSTGRES_USER=apiary -e POSTGRES_DB=apiary --rm --name apiary-test-db -p5432:5432 postgres:latest
+export APIARY_TEST_POSTGRES_DSN="postgresql://apiary:apiary@localhost/apiary"
+
+go test ./...
+```

apiary.service

@@ -3,6 +3,8 @@ Description=Apiary SSH Honeypot
 After=postgresql.service
 
 [Service]
+Type=notify
+WatchdogSec=10
 User=apiary
 ExecStart=/usr/bin/apiary serve
 Restart=on-failure

apiary.toml

@@ -4,6 +4,9 @@
 # Must be "memory" or "postgres"
 # Default: "memory"
 Type = "memory"
+# Enable caching
+# Default: false
+EnableCache = false
 
 [Store.Postgres]
 # Connection string for postgres
@@ -35,6 +38,9 @@ LogLevel = "INFO"
 # Enable access logging
 # Default: true
 AccessLogEnable = true
+# Disable logging of successful requests to metrics endpoint
+# Default: false
+AccessLogIgnoreMetrics = false
 # Address and port to listen to
 # Default: ":8080"
 ListenAddr = ":8080"
@@ -56,3 +62,33 @@ CacheDir = "/var/apiary/certs"
 # Redirect HTTP to HTTPS
 # Default: true
 RedirectHTTP = true
+
+[Ports]
+# Enable the port listener.
+# Default: false
+Enable = false
+
+# Which address to listen on.
+# Default: "" (listen to all addresses)
+Addr = ""
+
+# Which TCP ports to listen to.
+# Default: []
+TCPPorts = ["25"]
+
+# Which UDP ports to listen to.
+# Default: []
+UDPPorts = ["25"]
+
+[SMTP]
+# Enable the port listener.
+# Default: false
+Enable = true
+
+# Which address and port to listen on.
+# Default: ":25"
+Addr = ":25"
+
+# Enable collecting prometheus metrics
+# Default: false
+EnableMetrics = true

cmd/apiary.go

@@ -6,15 +6,19 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"strings"
 	"time"
 
-	"github.com/gliderlabs/ssh"
+	"git.t-juice.club/torjus/apiary"
+	"git.t-juice.club/torjus/apiary/config"
+	"git.t-juice.club/torjus/apiary/honeypot/ports"
+	"git.t-juice.club/torjus/apiary/honeypot/smtp"
+	"git.t-juice.club/torjus/apiary/honeypot/ssh"
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+	"git.t-juice.club/torjus/apiary/web"
+	"github.com/coreos/go-systemd/daemon"
+	sshlib "github.com/gliderlabs/ssh"
 	"github.com/urfave/cli/v2"
-	"github.uio.no/torjus/apiary"
-	"github.uio.no/torjus/apiary/config"
-	"github.uio.no/torjus/apiary/honeypot"
-	"github.uio.no/torjus/apiary/honeypot/store"
-	"github.uio.no/torjus/apiary/web"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 	"golang.org/x/crypto/acme/autocert"
@@ -53,13 +57,17 @@ func ActionServe(c *cli.Context) error {
 
 	// Setup logging
 	loggers := setupLoggers(cfg)
+	loggers.rootLogger.Infow("Starting apiary", "version", apiary.FullVersion())
 
 	// Setup store
 	var s store.LoginAttemptStore
 	switch cfg.Store.Type {
 	case "MEMORY", "memory":
+		loggers.rootLogger.Infow("Initialized store", "store_type", "memory")
 		s = &store.MemoryStore{}
 	case "POSTGRES", "postgres":
+		pgStartTime := time.Now()
+		loggers.rootLogger.Debugw("Initializing store", "store_type", "postgres")
 		pgStore, err := store.NewPostgresStore(cfg.Store.Postgres.DSN)
 		if err != nil {
 			return err
@@ -67,13 +75,54 @@ func ActionServe(c *cli.Context) error {
 		if err := pgStore.InitDB(); err != nil {
 			return err
 		}
-		s = pgStore
+		loggers.rootLogger.Infow("Initialized store", "store_type", "postgres", "init_time", time.Since(pgStartTime))
+		if cfg.Store.EnableCache {
+			loggers.rootLogger.Debugw("Initializing store", "store_type", "cache-postgres")
+			startTime := time.Now()
+			cachingStore := store.NewCachingStore(pgStore)
+			s = cachingStore
+			loggers.rootLogger.Infow("Initialized store", "store_type", "cache-postgres", "init_time", time.Since(startTime))
+		} else {
+			s = pgStore
+		}
+	case "bolt", "BOLT":
+		boltStartTime := time.Now()
+		loggers.rootLogger.Debugw("Initializing store", "store_type", "bolt")
+		boltStore, err := store.NewBBoltStore(cfg.Store.Bolt.DBPath)
+		if err != nil {
+			return err
+		}
+		defer boltStore.Close()
+
+		loggers.rootLogger.Infow("Initialized store", "store_type", "bolt", "init_time", time.Since(boltStartTime))
+
+		if cfg.Store.EnableCache {
+			loggers.rootLogger.Debugw("Initializing store", "store_type", "cache-bolt")
+			startTime := time.Now()
+			cachingStore := store.NewCachingStore(boltStore)
+			s = cachingStore
+			loggers.rootLogger.Infow("Initialized store", "store_type", "cache-bolt", "init_time", time.Since(startTime))
+		} else {
+			s = boltStore
+		}
 	default:
 		return fmt.Errorf("Invalid store configured")
 	}
 
+	// Setup interrupt handling
+	interruptChan := make(chan os.Signal, 1)
+	signal.Notify(interruptChan, os.Interrupt)
+
+	rootCtx, rootCancel := context.WithCancel(c.Context)
+	defer rootCancel()
+	serversCtx, serversCancel := context.WithCancel(rootCtx)
+	defer serversCancel()
+
+	// Setup metrics collection
+	s = store.NewMetricsCollectingStore(rootCtx, s)
+
 	// Setup honeypot
-	hs, err := honeypot.NewHoneypotServer(cfg.Honeypot, s)
+	hs, err := ssh.NewHoneypotServer(cfg.Honeypot, s)
 	if err != nil {
 		return err
 	}
@@ -97,12 +146,59 @@ func ActionServe(c *cli.Context) error {
 		web.TLSConfig = tlsConfig
 	}
 
-	// Setup interrupt handling
+	// Setup portlistener, if configured
-	interruptChan := make(chan os.Signal, 1)
+	if cfg.Ports.Enable {
-	signal.Notify(interruptChan, os.Interrupt)
+		portsCtx, cancel := context.WithCancel(rootCtx)
+		defer cancel()
 
-	rootCtx, rootCancel := context.WithCancel(c.Context)
+		// TODO: Add more stores
-	serversCtx, serversCancel := context.WithCancel(rootCtx)
+		store := &ports.MemoryStore{}
+		portsServer := ports.New(store)
+		portsServer.Logger = loggers.portsLogger
+		for _, port := range cfg.Ports.TCPPorts {
+			portsServer.AddTCPPort(port)
+		}
+
+		go func() {
+			loggers.rootLogger.Info("Starting ports server")
+			if err := portsServer.Start(portsCtx); err != nil {
+				loggers.rootLogger.Warnw("Ports server returned error", "err", err)
+			}
+		}()
+	}
+
+	// Setup smtp honeypot if enabled
+	if cfg.SMTP.Enable {
+		honeypot, err := smtp.NewSMTPHoneypot()
+		if err != nil {
+			loggers.rootLogger.Warnw("Error seting up SMTP honeypot", "error", err)
+		}
+		honeypot.Addr = cfg.SMTP.Addr
+		honeypot.Logger = loggers.smtpLogger
+		if cfg.SMTP.EnableMetrics {
+			honeypot.Store = smtp.NewMetricsStore(&smtp.DiscardStore{})
+		} else {
+			honeypot.Store = &smtp.DiscardStore{}
+		}
+
+		// Start smtp honeypot
+		go func() {
+			loggers.rootLogger.Info("Starting SMTP server")
+			if err := honeypot.ListenAndServe(); err != nil {
+				loggers.rootLogger.Warnw("SMTP server returned error", "error", err)
+			}
+		}()
+
+		// Wait for smtp shutdown
+		go func() {
+			<-serversCtx.Done()
+			loggers.rootLogger.Info("SMTP server shutdown started")
+			if err := honeypot.Shutdown(); err != nil {
+				loggers.rootLogger.Errorw("Error shutting down SMTP server", "error", err)
+			}
+			loggers.rootLogger.Info("SMTP server shutdown complete")
+		}()
+	}
 
 	// Handle interrupt
 	go func() {
@@ -114,7 +210,7 @@ func ActionServe(c *cli.Context) error {
 	// Start ssh server
 	go func() {
 		loggers.rootLogger.Info("Starting SSH server")
-		if err := hs.ListenAndServe(); err != nil && err != ssh.ErrServerClosed {
+		if err := hs.ListenAndServe(); err != nil && err != sshlib.ErrServerClosed {
 			loggers.rootLogger.Warnw("SSH server returned error", "error", err)
 		}
 	}()
@@ -127,6 +223,60 @@ func ActionServe(c *cli.Context) error {
 		}
 	}()
 
+	// If run by systemd, enable watchdog and notify ready
+	go func() {
+		notifyCtx, cancel := context.WithCancel(rootCtx)
+		defer cancel()
+
+		_, ok := os.LookupEnv("NOTIFY_SOCKET")
+		if !ok {
+			return
+		}
+		loggers.rootLogger.Info("Systemd notify socket detected. Sending ready and enabling watchdog.")
+		ok, err := daemon.SdNotify(false, daemon.SdNotifyReady)
+		if !ok {
+			loggers.rootLogger.Info("Systemd notify not enabled.")
+			return
+		}
+		if err != nil {
+			loggers.rootLogger.Warnw("Unable to connect to NOTIFY_SOCKET.", "error", err)
+			return
+		}
+		loggers.rootLogger.Debug("Sent READY=1 to NOTIFY_SOCKET.")
+
+		// Setup timer
+		timeout, err := daemon.SdWatchdogEnabled(false)
+		if err != nil {
+			loggers.rootLogger.Warnw("Unable to get watchdog timeout.", "error", err)
+			return
+		}
+		if timeout == 0 {
+			loggers.rootLogger.Infow("Systemd watchdog not enabled.")
+			return
+		}
+
+		ticker := time.NewTicker(timeout / 2)
+		for {
+			// TODO: Consider using ctx with deadline to avoid healthcheck taking more time than ticker,
+			// which will result in being killed by watchdog.
+			healthy := s.IsHealthy()
+			select {
+			case <-ticker.C:
+				if healthy == nil {
+					if _, err := daemon.SdNotify(false, daemon.SdNotifyWatchdog); err != nil {
+						loggers.rootLogger.Warnw("Error notifying watchdog.", "err", err)
+					}
+					continue
+				}
+				// TODO: If unhealthy, should we retry healthcheck immediately, otherwise service will most likely get killed by watchdog.
+				loggers.rootLogger.Errorw("Store reported not healthy, might get killed by watchdog.", "err", healthy)
+			case <-notifyCtx.Done():
+				loggers.rootLogger.Debugw("Notify context cancelled.")
+				return
+			}
+		}
+	}()
+
 	go func() {
 		<-serversCtx.Done()
 
@@ -154,7 +304,6 @@ func ActionServe(c *cli.Context) error {
 	<-rootCtx.Done()
 
 	return nil
-
 }
 
 type loggerCollection struct {
@@ -162,16 +311,30 @@ type loggerCollection struct {
 	honeypotLogger  *zap.SugaredLogger
 	webAccessLogger *zap.SugaredLogger
 	webServerLogger *zap.SugaredLogger
+	portsLogger     *zap.SugaredLogger
+	smtpLogger      *zap.SugaredLogger
 }
 
 func setupLoggers(cfg config.Config) *loggerCollection {
 	logEncoderCfg := zap.NewProductionEncoderConfig()
 	logEncoderCfg.EncodeCaller = func(caller zapcore.EntryCaller, enc zapcore.PrimitiveArrayEncoder) {}
 
-	level := zap.NewAtomicLevelAt(zap.InfoLevel)
+	var level zap.AtomicLevel
+	switch strings.ToUpper(cfg.Honeypot.LogLevel) {
+	case "INFO":
+		level = zap.NewAtomicLevelAt(zap.InfoLevel)
+	case "DEBUG":
+		level = zap.NewAtomicLevelAt(zap.DebugLevel)
+	case "WARN", "WARNING":
+		level = zap.NewAtomicLevelAt(zap.WarnLevel)
+	case "ERR", "ERROR":
+		level = zap.NewAtomicLevelAt(zap.WarnLevel)
+	default:
+		level = zap.NewAtomicLevelAt(zap.InfoLevel)
+	}
 	logEncoderCfg.EncodeLevel = zapcore.CapitalColorLevelEncoder
 	logEncoderCfg.EncodeTime = zapcore.ISO8601TimeEncoder
-	logEncoderCfg.EncodeDuration = zapcore.NanosDurationEncoder
+	logEncoderCfg.EncodeDuration = zapcore.StringDurationEncoder
 	rootLoggerCfg := &zap.Config{
 		Level:            level,
 		OutputPaths:      []string{"stdout"},
@@ -189,8 +352,9 @@ func setupLoggers(cfg config.Config) *loggerCollection {
 		honeypotLogger:  rootLogger.Named("HON").Sugar(),
 		webAccessLogger: rootLogger.Named("ACC").Sugar(),
 		webServerLogger: rootLogger.Named("WEB").Sugar(),
+		portsLogger:     rootLogger.Named("PRT").Sugar(),
+		smtpLogger:      rootLogger.Named("SMT").Sugar(),
 	}
-
 }
 
 func getConfig() (config.Config, error) {

config/config.go

@@ -13,16 +13,24 @@ type Config struct {
 	Store    StoreConfig    `toml:"Store"`
 	Honeypot HoneypotConfig `toml:"Honeypot"`
 	Frontend FrontendConfig `toml:"Frontend"`
+	Ports    PortsConfig    `toml:"Ports"`
+	SMTP     SMTPConfig     `toml:"SMTP"`
 }
 type StoreConfig struct {
-	Type     string              `toml:"Type"`
+	Type        string              `toml:"Type"`
-	Postgres PostgresStoreConfig `toml:"Postgres"`
+	EnableCache bool                `toml:"EnableCache"`
+	Postgres    PostgresStoreConfig `toml:"Postgres"`
+	Bolt        BoltStoreConfig     `toml:"Bolt"`
 }
 
 type PostgresStoreConfig struct {
 	DSN string `toml:"DSN"`
 }
 
+type BoltStoreConfig struct {
+	DBPath string `toml:"DBPath"`
+}
+
 type HoneypotConfig struct {
 	ListenAddr    string  `toml:"ListenAddr"`
 	LogLevel      string  `toml:"LogLevel"`
@@ -31,10 +39,11 @@ type HoneypotConfig struct {
 }
 
 type FrontendConfig struct {
-	ListenAddr      string                 `toml:"ListenAddr"`
+	ListenAddr             string                 `toml:"ListenAddr"`
-	LogLevel        string                 `toml:"LogLevel"`
+	LogLevel               string                 `toml:"LogLevel"`
-	AccessLogEnable bool                   `toml:"AccessLogEnable"`
+	AccessLogEnable        bool                   `toml:"AccessLogEnable"`
-	Autocert        FrontendAutocertConfig `toml:"Autocert"`
+	AccessLogIgnoreMetrics bool                   `toml:"AccessLogIgnoreMetrics"`
+	Autocert               FrontendAutocertConfig `toml:"Autocert"`
 }
 
 type FrontendAutocertConfig struct {
@@ -45,6 +54,19 @@ type FrontendAutocertConfig struct {
 	RedirectHTTP bool     `toml:"RedirectHTTP"`
 }
 
+type PortsConfig struct {
+	Enable   bool     `toml:"Enable"`
+	Addr     string   `toml:"Addr"`
+	TCPPorts []string `toml:"TCPPorts"`
+	UDPPorts []string `toml:"UDPPorts"`
+}
+
+type SMTPConfig struct {
+	Enable        bool   `toml:"Enable"`
+	Addr          string `toml:"Addr"`
+	EnableMetrics bool   `toml:"EnableMetrics"`
+}
+
 func FromReader(r io.Reader) (Config, error) {
 	var c Config
 
@@ -54,6 +76,7 @@ func FromReader(r io.Reader) (Config, error) {
 	c.Frontend.ListenAddr = ":8080"
 	c.Frontend.LogLevel = "INFO"
 	c.Frontend.AccessLogEnable = true
+	c.SMTP.Addr = ":25"
 
 	// Read from config
 	decoder := toml.NewDecoder(r)
@@ -61,7 +84,7 @@ func FromReader(r io.Reader) (Config, error) {
 		return c, fmt.Errorf("unable to parse config: %w", err)
 	}
 
-	//c.readEnv()
+	// c.readEnv()
 
 	return c, nil
 }

go.mod

@@ -1,22 +1,49 @@
-module github.uio.no/torjus/apiary
+module git.t-juice.club/torjus/apiary
 
-go 1.16
+go 1.18
+
+require (
+	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
+	github.com/emersion/go-smtp v0.15.0
+	github.com/fujiwara/shapeio v1.0.0
+	github.com/gliderlabs/ssh v0.3.4
+	github.com/go-chi/chi/v5 v5.0.7
+	github.com/google/uuid v1.3.0
+	github.com/jackc/pgx/v4 v4.17.1
+	github.com/oschwald/maxminddb-golang v1.10.0
+	github.com/pelletier/go-toml v1.9.5
+	github.com/prometheus/client_golang v1.13.0
+	github.com/urfave/cli/v2 v2.11.2
+	go.etcd.io/bbolt v1.3.6
+	go.uber.org/zap v1.23.0
+	golang.org/x/crypto v0.0.0-20220826181053-bd7e27e6170d
+)
 
 require (
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/fujiwara/shapeio v1.0.0
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/gliderlabs/ssh v0.3.2
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
-	github.com/go-chi/chi/v5 v5.0.2
+	github.com/emersion/go-sasl v0.0.0-20211008083017-0b9dcfb154ac // indirect
-	github.com/google/uuid v1.2.0
+	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/jackc/pgx/v4 v4.11.0
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/oschwald/maxminddb-golang v1.8.0
+	github.com/jackc/pgconn v1.13.0 // indirect
-	github.com/pelletier/go-toml v1.9.0
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.12.0 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/stretchr/testify v1.7.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
-	github.com/urfave/cli/v2 v2.3.0
+	go.uber.org/atomic v1.10.0 // indirect
-	go.uber.org/zap v1.13.0
+	go.uber.org/multierr v1.8.0 // indirect
-	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
+	golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b // indirect
-	golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1 // indirect
+	golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 // indirect
-	golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20220722155302-e5dcc9cfc0b9 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 )

go.sum

@@ -1,142 +1,163 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
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 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
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honeypot/ports/postgresstore.go

@@ -0,0 +1,71 @@
+package ports
+
+import (
+	"database/sql"
+	"time"
+
+	_ "github.com/jackc/pgx/v4/stdlib"
+)
+
+const DBSchema = `
+CREATE TABLE IF NOT EXISTS port_attempts(
+	id serial PRIMARY KEY,
+	date timestamptz,
+	remote_ip inet,
+	port varchar(5)
+);`
+
+type PostgresStore struct {
+	db *sql.DB
+}
+
+func NewPostgresStore(dsn string) (*PostgresStore, error) {
+	db, err := sql.Open("pgx", dsn)
+	if err != nil {
+		return nil, err
+	}
+
+	s := &PostgresStore{db: db}
+	return s, nil
+}
+
+func (s *PostgresStore) InitDB() error {
+	_, err := s.db.Exec(DBSchema)
+	return err
+}
+
+func (s *PostgresStore) Add(attempt *ConnectionAttempt) error {
+	stmt := `INSERT INTO port_attempts(date, remote_ip, port)
+	VALUES ($1, $2, $3)`
+	tx, err := s.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback() // nolint: errcheck
+
+	_, err = tx.Exec(stmt, time.Now(), attempt.From, attempt.Port)
+	if err != nil {
+		return err
+	}
+	return tx.Commit()
+}
+
+func (s *PostgresStore) List() ([]*ConnectionAttempt, error) {
+	stmt := `SELECT remote_ip, port FROM port_attempts`
+	rows, err := s.db.Query(stmt)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var attempts []*ConnectionAttempt
+	for rows.Next() {
+		var a ConnectionAttempt
+		if err := rows.Scan(&a.From, &a.Port); err != nil {
+			return nil, err
+		}
+		attempts = append(attempts, &a)
+	}
+
+	return attempts, nil
+}

honeypot/ports/server.go

@@ -0,0 +1,102 @@
+package ports
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+type Server struct {
+	EnabledPortsTCP []string
+	EnabledPortsUDP []string
+	IP              string
+	Logger          *zap.SugaredLogger
+
+	store Store
+}
+
+func New(store Store) *Server {
+	return &Server{store: store, Logger: zap.NewNop().Sugar()}
+}
+
+func (s *Server) Start(ctx context.Context) error {
+	for _, port := range s.EnabledPortsTCP {
+		portCtx, cancel := context.WithCancel(ctx)
+		go func() {
+			if err := s.doListenTCP(portCtx, port); err != nil {
+				s.Logger.Errorw("Unable to listen to port.", "err", err)
+			}
+		}()
+		defer cancel()
+	}
+
+	<-ctx.Done()
+	return nil
+}
+
+func (s *Server) AddTCPPort(port string) {
+	s.EnabledPortsTCP = append(s.EnabledPortsTCP, port)
+}
+
+func (s *Server) doListenTCP(ctx context.Context, port string) error {
+	lAddr, err := net.ResolveTCPAddr("tcp", net.JoinHostPort(s.IP, port))
+	if err != nil {
+		s.Logger.Warnw("Error resoling listening addr.", "network", "tcp", "port", port)
+		return fmt.Errorf("error resolving listening address: %w", err)
+	}
+
+	listener, err := net.ListenTCP("tcp", lAddr)
+	if err != nil {
+		return fmt.Errorf("error starting listener: %w", err)
+	}
+	defer listener.Close()
+
+	go func() {
+		<-ctx.Done()
+		s.Logger.Debug("Listener context cancelled.")
+		listener.Close()
+	}()
+
+	s.Logger.Infow("Listening for connections to TCP port.", "port", port)
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			select {
+			case <-ctx.Done():
+				s.Logger.Infow("Listener shutting down.", "port", port, "network", "tcp")
+				return nil
+			default:
+				s.Logger.Infow("Error accepting connection.", "error", err)
+				continue
+			}
+		}
+
+		s.Logger.Infow("Got connection on port.", "port", port, "network", "tcp", "remote_addr", conn.RemoteAddr().String())
+
+		if err := conn.SetReadDeadline(time.Now().Add(time.Second * 15)); err != nil {
+			s.Logger.Warnw("Error setting connection read deadline.", "err", err)
+		}
+
+		buf := make([]byte, 256)
+
+		_, err = conn.Read(buf)
+		if err != nil {
+			buf = []byte{}
+		}
+
+		attempt := &ConnectionAttempt{
+			Port:    port,
+			Network: "tcp",
+			From:    conn.RemoteAddr().String(),
+			Data:    buf,
+		}
+		conn.Close()
+
+		if err := s.store.Add(attempt); err != nil {
+			s.Logger.Warnw("Error storing attempt in store.", "error", err)
+		}
+	}
+}

honeypot/ports/server_test.go

@@ -0,0 +1,46 @@
+// nolint: errcheck
+package ports_test
+
+import (
+	"context"
+	"net"
+	"testing"
+	"time"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ports"
+)
+
+func TestServer(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	store := &ports.MemoryStore{}
+	server := ports.New(store)
+	server.IP = "127.0.0.1"
+
+	server.AddTCPPort("2555")
+
+	go server.Start(ctx)
+	time.Sleep(1 * time.Second)
+
+	rAddr, err := net.ResolveTCPAddr("tcp", net.JoinHostPort(server.IP, "2555"))
+	if err != nil {
+		t.Fatalf("Error resolving remote address: %s", err)
+	}
+	conn, err := net.DialTCP("tcp", nil, rAddr)
+	if err != nil {
+		t.Fatalf("Dialing server returned error: %s", err)
+	}
+	conn.Write([]byte("LOL"))
+	conn.Close()
+	time.Sleep(1 * time.Second)
+	cancel()
+
+	attempts, err := store.List()
+	if err != nil {
+		t.Fatalf("Getting attempts from store returned error: %s", err)
+	}
+	if len(attempts) != 1 {
+		t.Fatalf("Wrong amount of attempts in store: %d", len(attempts))
+	}
+}

honeypot/ports/store.go

@@ -0,0 +1,26 @@
+package ports
+
+type ConnectionAttempt struct {
+	Port    string
+	Network string
+	From    string
+	Data    []byte
+}
+
+type Store interface {
+	Add(attempt *ConnectionAttempt) error
+	List() ([]*ConnectionAttempt, error)
+}
+
+type MemoryStore struct {
+	data []*ConnectionAttempt
+}
+
+func (s *MemoryStore) Add(attempt *ConnectionAttempt) error {
+	s.data = append(s.data, attempt)
+	return nil
+}
+
+func (s *MemoryStore) List() ([]*ConnectionAttempt, error) {
+	return s.data, nil
+}

honeypot/smtp/mail.go

@@ -0,0 +1,12 @@
+package smtp
+
+import "time"
+
+type MailData struct {
+	From       string
+	Recipients []string
+	Data       string
+
+	RemoteAddr string
+	Timestamp  time.Time
+}

honeypot/smtp/metrics.go

@@ -0,0 +1,30 @@
+package smtp
+
+import "github.com/prometheus/client_golang/prometheus"
+
+type MetricsStore struct {
+	backend   SMTPStore
+	mailTotal *prometheus.CounterVec
+}
+
+func NewMetricsStore(backend SMTPStore) *MetricsStore {
+	store := &MetricsStore{backend: backend}
+
+	store.mailTotal = prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Name:        "apiary_smtp_received_total",
+			Help:        "Total count of received emails.",
+			ConstLabels: prometheus.Labels{"service": "honeypot_smtp"},
+		},
+		[]string{"from"},
+	)
+	prometheus.MustRegister(store.mailTotal)
+
+	return store
+}
+
+func (s *MetricsStore) AddMailData(data *MailData) error {
+	s.mailTotal.WithLabelValues(data.From).Inc()
+
+	return s.backend.AddMailData(data)
+}

honeypot/smtp/server.go

@@ -0,0 +1,124 @@
+package smtp
+
+import (
+	"bytes"
+	"io"
+	"net/mail"
+	"time"
+
+	smtplib "github.com/emersion/go-smtp"
+	"go.uber.org/zap"
+)
+
+type backend struct {
+	honeypot *SMTPHoneypot
+}
+
+func (b *backend) Login(state *smtplib.ConnectionState, username, password string) (smtplib.Session, error) {
+	sess := &session{
+		honeypot:      b.honeypot,
+		loginUsername: username,
+		loginPassword: password,
+		remoteAddr:    state.RemoteAddr.String(),
+	}
+	return sess, nil
+}
+func (b *backend) AnonymousLogin(state *smtplib.ConnectionState) (smtplib.Session, error) {
+	sess := &session{
+		loginAnonymous: true,
+		remoteAddr:     state.RemoteAddr.String(),
+	}
+	return sess, nil
+}
+
+type session struct {
+	honeypot *SMTPHoneypot
+
+	loginUsername  string
+	loginPassword  string
+	loginAnonymous bool
+	remoteAddr     string
+
+	mail MailData
+}
+
+func (sess *session) Reset() {
+}
+func (sess *session) Logout() error {
+	return nil
+}
+func (sess *session) Mail(from string, opts smtplib.MailOptions) error {
+	sess.mail.From = from
+	return nil
+}
+func (sess *session) Rcpt(to string) error {
+	sess.mail.Recipients = append(sess.mail.Recipients, to)
+	return nil
+}
+func (sess *session) Data(r io.Reader) error {
+	lr := io.LimitReader(r, 1024*1024)
+	var buf bytes.Buffer
+	n, err := io.Copy(&buf, lr)
+	if err != nil {
+		sess.honeypot.Logger.Debugw("Error reading email data from client.", "error", err, "remote_addr", sess.remoteAddr)
+	}
+
+	if n == 1024*1024 {
+		// There is probably more data, read the rest from the client
+		// We don't really care what happens to this, or if it errors
+		_, _ = io.Copy(io.Discard, r)
+	}
+
+	sess.mail.Data = buf.String()
+
+	var toAddr string
+	var subject string
+	// Parse mail headers
+	msg, err := mail.ReadMessage(&buf)
+	if err != nil {
+		sess.honeypot.Logger.Infow("Unable to parse mail.", "error", err, "remote_addr", sess.remoteAddr)
+	} else {
+		toAddr = msg.Header.Get("To")
+		subject = msg.Header.Get("Subject")
+	}
+
+	if err := sess.honeypot.Store.AddMailData(&sess.mail); err != nil {
+		sess.honeypot.Logger.Warnw("Error storing maildata.", "error", err, "remote_addr", sess.remoteAddr)
+		return smtplib.ErrDataTooLarge
+	}
+	sess.honeypot.Logger.Infow("Mail received", "from", sess.mail.From, "to", toAddr, "subject", subject, "remote_addr", sess.remoteAddr, "size", len(sess.mail.Data))
+
+	return nil
+}
+
+type SMTPHoneypot struct {
+	Addr   string
+	Logger *zap.SugaredLogger
+	Store  SMTPStore
+	server *smtplib.Server
+}
+
+func NewSMTPHoneypot() (*SMTPHoneypot, error) {
+	honeypot := &SMTPHoneypot{
+		Logger: zap.NewNop().Sugar(),
+	}
+
+	return honeypot, nil
+}
+
+func (sh *SMTPHoneypot) ListenAndServe() error {
+	server := smtplib.NewServer(&backend{
+		honeypot: sh,
+	})
+	server.Addr = sh.Addr
+	server.Domain = "apiary.t-juice.club"
+	server.AllowInsecureAuth = true
+	server.ReadTimeout = 10 * time.Second
+	server.WriteTimeout = 10 * time.Second
+	sh.server = server
+	return server.ListenAndServe()
+}
+
+func (sh *SMTPHoneypot) Shutdown() error {
+	return sh.server.Close()
+}

honeypot/smtp/store.go

@@ -0,0 +1,12 @@
+package smtp
+
+type SMTPStore interface {
+	AddMailData(mail *MailData) error
+}
+
+type DiscardStore struct {
+}
+
+func (s *DiscardStore) AddMailData(mail *MailData) error {
+	return nil
+}

honeypot/ssh/actions.go

@@ -1,4 +1,4 @@
-package honeypot
+package ssh
 
 type ActionType int
 

honeypot/ssh/conn.go

@@ -1,4 +1,4 @@
-package honeypot
+package ssh
 
 import (
 	"net"

honeypot/ssh/geolocate.go

@@ -1,4 +1,4 @@
-package honeypot
+package ssh
 
 import (
 	_ "embed"
@@ -28,5 +28,8 @@ func (s *HoneypotServer) LookupCountry(ip net.IP) string {
 		s.Logger.Warnw("Error doing geoip lookup", "error", err)
 		return "??"
 	}
+	if record.Country.ISOCode == "None" {
+		return "??"
+	}
 	return record.Country.ISOCode
 }

honeypot/ssh/server.go

@@ -1,4 +1,4 @@
-package honeypot
+package ssh
 
 import (
 	"context"
@@ -6,22 +6,23 @@ import (
 	"net"
 	"os"
 	"time"
+	"unicode/utf8"
 
 	gossh "golang.org/x/crypto/ssh"
 
-	"github.uio.no/torjus/apiary/config"
+	"git.t-juice.club/torjus/apiary/config"
 
-	"github.com/gliderlabs/ssh"
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+	"git.t-juice.club/torjus/apiary/models"
+	sshlib "github.com/gliderlabs/ssh"
 	"github.com/google/uuid"
-	"github.uio.no/torjus/apiary/honeypot/store"
-	"github.uio.no/torjus/apiary/models"
 	"go.uber.org/zap"
 )
 
 type HoneypotServer struct {
 	Logger *zap.SugaredLogger
 
-	sshServer *ssh.Server
+	sshServer *sshlib.Server
 
 	attemptStore      store.LoginAttemptStore
 	attemptsCallbacks []func(l models.LoginAttempt)
@@ -34,7 +35,7 @@ func NewHoneypotServer(cfg config.HoneypotConfig, store store.LoginAttemptStore)
 	hs.attemptStore = store
 	hs.Logger = zap.NewNop().Sugar()
 
-	hs.sshServer = &ssh.Server{
+	hs.sshServer = &sshlib.Server{
 		Addr:            cfg.ListenAddr,
 		PasswordHandler: hs.passwordHandler,
 		ConnCallback:    hs.connCallback,
@@ -74,7 +75,7 @@ func (hs *HoneypotServer) AddLoginCallback(c func(l models.LoginAttempt)) {
 	hs.attemptsCallbacks = append(hs.attemptsCallbacks, c)
 }
 
-func (hs *HoneypotServer) passwordHandler(ctx ssh.Context, password string) bool {
+func (hs *HoneypotServer) passwordHandler(ctx sshlib.Context, password string) bool {
 	sessUUID, ok := ctx.Value("uuid").(uuid.UUID)
 	if !ok {
 		hs.Logger.Warn("Unable to get session UUID")
@@ -90,14 +91,20 @@ func (hs *HoneypotServer) passwordHandler(ctx ssh.Context, password string) bool
 		ConnectionUUID:   sessUUID,
 	}
 	country := hs.LookupCountry(la.RemoteIP)
+	if utf8.RuneCountInString(country) > 2 {
+		hs.Logger.Warnw("Too many characters in country", "country", country, "runecount", utf8.RuneCountInString(country))
+		country = "??"
+	}
+
 	la.Country = country
 	hs.Logger.Infow("Login attempt",
 		"remote_ip", la.RemoteIP.String(),
 		"username", la.Username,
-		"password", la.Password)
+		"password", la.Password,
+		"country", la.Country)
 
 	if err := hs.attemptStore.AddAttempt(&la); err != nil {
-		hs.Logger.Warnf("Error adding attempt to store")
+		hs.Logger.Warnw("Error adding attempt to store", "error", err)
 	}
 
 	for _, cFunc := range hs.attemptsCallbacks {
@@ -107,7 +114,7 @@ func (hs *HoneypotServer) passwordHandler(ctx ssh.Context, password string) bool
 	return false
 }
 
-func (s *HoneypotServer) connCallback(ctx ssh.Context, conn net.Conn) net.Conn {
+func (s *HoneypotServer) connCallback(ctx sshlib.Context, conn net.Conn) net.Conn {
 	throttledConn := newThrottledConn(conn)
 	throttledConn.SetSpeed(s.throttleSpeed)
 	ctx.SetValue("uuid", throttledConn.ID)
@@ -115,9 +122,9 @@ func (s *HoneypotServer) connCallback(ctx ssh.Context, conn net.Conn) net.Conn {
 	return throttledConn
 }
 
-func handler(session ssh.Session) {
+func handler(session sshlib.Session) {
 	_, _ = io.WriteString(session, "[root@hostname ~]#")
-	session.Exit(1)
+	_ = session.Exit(1)
 }
 
 func ipFromAddr(addr string) net.IP {

honeypot/ssh/store/bbolt.go

@@ -0,0 +1,235 @@
+package store
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"sort"
+	"strings"
+
+	"git.t-juice.club/torjus/apiary/models"
+	bolt "go.etcd.io/bbolt"
+)
+
+// var _ LoginAttemptStore = &BBoltStore{}
+
+var bktKeyLogins []byte = []byte("logins")
+
+type BBoltStore struct {
+	db *bolt.DB
+}
+
+func NewBBoltStore(path string) (*BBoltStore, error) {
+	db, err := bolt.Open(path, 0o666, nil)
+	if err != nil {
+		return nil, fmt.Errorf("error opening database: %w", err)
+	}
+
+	var store BBoltStore
+	store.db = db
+
+	err = db.Update(func(tx *bolt.Tx) error {
+		_, err := tx.CreateBucketIfNotExists(bktKeyLogins)
+		return err
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error creating database bucket: %w", err)
+	}
+
+	return &store, nil
+}
+
+func (s *BBoltStore) Close() error {
+	return s.db.Close()
+}
+
+func (s *BBoltStore) AddAttempt(l *models.LoginAttempt) error {
+	data, err := json.Marshal(l)
+	if err != nil {
+		return err
+	}
+
+	return s.db.Update(func(tx *bolt.Tx) error {
+		bkt := tx.Bucket(bktKeyLogins)
+		seq, err := bkt.NextSequence()
+		if err != nil {
+			return err
+		}
+		key := itob(seq)
+		return bkt.Put(key, data)
+	})
+}
+
+func (s *BBoltStore) All() (<-chan models.LoginAttempt, error) {
+	ch := make(chan models.LoginAttempt)
+
+	go func() {
+		_ = s.db.View(func(tx *bolt.Tx) error {
+			bkt := tx.Bucket(bktKeyLogins)
+
+			c := bkt.Cursor()
+
+			for k, v := c.First(); k != nil; k, v = c.Next() {
+				var l models.LoginAttempt
+				if err := json.Unmarshal(v, &l); err != nil {
+					close(ch)
+					panic(err)
+				}
+				ch <- l
+			}
+
+			close(ch)
+
+			return nil
+		})
+	}()
+
+	return ch, nil
+}
+
+func (s *BBoltStore) Stats(statType LoginStats, limit int) ([]StatsResult, error) {
+	if statType == LoginStatsTotals {
+		return s.statTotals()
+	}
+
+	counts := make(map[string]int)
+	err := s.db.View(func(tx *bolt.Tx) error {
+		bkt := tx.Bucket(bktKeyLogins)
+
+		c := bkt.Cursor()
+
+		for k, v := c.First(); k != nil; k, v = c.Next() {
+			var l models.LoginAttempt
+			if err := json.Unmarshal(v, &l); err != nil {
+				return err
+			}
+
+			switch statType {
+			case LoginStatsPasswords:
+				counts[l.Password]++
+			case LoginStatsCountry:
+				counts[l.Country]++
+			case LoginStatsIP:
+				counts[l.RemoteIP.String()]++
+			case LoginStatsUsername:
+				counts[l.Username]++
+			default:
+				return fmt.Errorf("invalid stat type")
+			}
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error generating stats: %w", err)
+	}
+
+	if limit < 1 {
+		return toResults(counts), nil
+	}
+	if limit >= len(counts) {
+		return toResults(counts), nil
+	}
+
+	var si StatItems
+	for key := range counts {
+		si = append(si, StatItem{Key: key, Count: counts[key]})
+	}
+	sort.Sort(si)
+
+	output := make(map[string]int)
+	for i := len(si) - 1; i > len(si)-limit-1; i-- {
+		output[si[i].Key] = si[i].Count
+	}
+
+	return toResults(output), nil
+}
+
+func (s *BBoltStore) statTotals() ([]StatsResult, error) {
+	passwords := make(map[string]int)
+	usernames := make(map[string]int)
+	ips := make(map[string]int)
+	countries := make(map[string]int)
+	var count int
+
+	err := s.db.View(func(tx *bolt.Tx) error {
+		bkt := tx.Bucket(bktKeyLogins)
+
+		c := bkt.Cursor()
+
+		for k, v := c.First(); k != nil; k, v = c.Next() {
+			var l models.LoginAttempt
+			if err := json.Unmarshal(v, &l); err != nil {
+				return err
+			}
+			passwords[l.Password] += 1
+			usernames[l.Username] += 1
+			ips[l.RemoteIP.String()] += 1
+			countries[l.Country] += 1
+			count++
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	stats := []StatsResult{
+		{Name: "UniquePasswords", Count: len(passwords)},
+		{Name: "UniqueUsernames", Count: len(usernames)},
+		{Name: "UniqueIPs", Count: len(ips)},
+		{Name: "UniqueCountries", Count: len(countries)},
+		{Name: "TotalLoginAttempts", Count: count},
+	}
+	return stats, nil
+}
+
+func (s *BBoltStore) Query(query AttemptQuery) ([]models.LoginAttempt, error) {
+	var results []models.LoginAttempt
+	err := s.db.View(func(tx *bolt.Tx) error {
+		bkt := tx.Bucket(bktKeyLogins)
+
+		c := bkt.Cursor()
+
+		for k, v := c.First(); k != nil; k, v = c.Next() {
+			var l models.LoginAttempt
+			if err := json.Unmarshal(v, &l); err != nil {
+				return err
+			}
+
+			switch query.QueryType {
+			case AttemptQueryTypeIP:
+				if l.RemoteIP.String() == query.Query {
+					results = append(results, l)
+				}
+			case AttemptQueryTypePassword:
+				if strings.Contains(l.Password, query.Query) {
+					results = append(results, l)
+				}
+			case AttemptQueryTypeUsername:
+				if strings.Contains(l.Username, query.Query) {
+					results = append(results, l)
+				}
+			}
+
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	return results, nil
+}
+
+func (s *BBoltStore) IsHealthy() error {
+	// TODO: Do actual healthcheck
+	return nil
+}
+
+func itob(v uint64) []byte {
+	b := make([]byte, 8)
+	binary.BigEndian.PutUint64(b, v)
+	return b
+}

honeypot/ssh/store/bbolt_test.go

@@ -0,0 +1,23 @@
+package store_test
+
+import (
+	"os"
+	"testing"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+)
+
+func TestBBoltStore(t *testing.T) {
+	dir := t.TempDir()
+	f, err := os.CreateTemp(dir, "apiary-test-bbolt")
+	if err != nil {
+		t.Fatal(err)
+	}
+	fname := f.Name()
+	f.Close()
+	s, err := store.NewBBoltStore(fname)
+	if err != nil {
+		t.Fatal(err)
+	}
+	testLoginAttemptStore(s, t)
+}

honeypot/ssh/store/cache.go

@@ -0,0 +1,118 @@
+package store
+
+import "git.t-juice.club/torjus/apiary/models"
+
+var _ LoginAttemptStore = &CachingStore{}
+
+type CachingStore struct {
+	backend LoginAttemptStore
+
+	totalStatsCache    []StatsResult
+	usernameQueryCache map[string][]models.LoginAttempt
+	passwordQueryCache map[string][]models.LoginAttempt
+	ipQueryCache       map[string][]models.LoginAttempt
+	uniqueUsernames    map[string]struct{}
+	uniquePasswords    map[string]struct{}
+	uniqueIPs          map[string]struct{}
+	uniqueCountries    map[string]struct{}
+	totalLoginsCount   int
+}
+
+func NewCachingStore(backend LoginAttemptStore) *CachingStore {
+	cs := &CachingStore{
+		backend:            backend,
+		usernameQueryCache: make(map[string][]models.LoginAttempt),
+		passwordQueryCache: make(map[string][]models.LoginAttempt),
+		ipQueryCache:       make(map[string][]models.LoginAttempt),
+		uniqueUsernames:    make(map[string]struct{}),
+		uniquePasswords:    make(map[string]struct{}),
+		uniqueIPs:          make(map[string]struct{}),
+		uniqueCountries:    make(map[string]struct{}),
+	}
+
+	all, err := backend.All()
+	if err != nil {
+		//TODO: Handle better maybe?
+		panic(err)
+	}
+	var loginCount int
+
+	for attempt := range all {
+		cs.uniqueUsernames[attempt.Username] = struct{}{}
+		cs.uniquePasswords[attempt.Password] = struct{}{}
+		cs.uniqueIPs[attempt.RemoteIP.String()] = struct{}{}
+		cs.uniqueCountries[attempt.Country] = struct{}{}
+		loginCount++
+	}
+	cs.totalLoginsCount = loginCount
+
+	return cs
+}
+
+func (s *CachingStore) AddAttempt(l *models.LoginAttempt) error {
+	s.totalStatsCache = nil
+	delete(s.ipQueryCache, l.RemoteIP.String())
+	delete(s.passwordQueryCache, l.Password)
+	delete(s.usernameQueryCache, l.Username)
+	s.totalLoginsCount++
+	s.uniqueUsernames[l.Username] = struct{}{}
+	s.uniquePasswords[l.Password] = struct{}{}
+	s.uniqueIPs[l.RemoteIP.String()] = struct{}{}
+	s.uniqueCountries[l.Country] = struct{}{}
+	return s.backend.AddAttempt(l)
+}
+
+func (s *CachingStore) All() (<-chan models.LoginAttempt, error) {
+	return s.backend.All()
+}
+
+func (s *CachingStore) Stats(statType LoginStats, limit int) ([]StatsResult, error) {
+	// Only cache totals for now, as they are the most queried
+	if statType == LoginStatsTotals {
+		return []StatsResult{
+			{Name: "UniquePasswords", Count: len(s.uniquePasswords)},
+			{Name: "UniqueUsernames", Count: len(s.uniqueUsernames)},
+			{Name: "UniqueIPs", Count: len(s.uniqueIPs)},
+			{Name: "UniqueCountries", Count: len(s.uniqueCountries)},
+			{Name: "TotalLoginAttempts", Count: s.totalLoginsCount},
+		}, nil
+	}
+
+	return s.backend.Stats(statType, limit)
+}
+
+func (s *CachingStore) Query(query AttemptQuery) ([]models.LoginAttempt, error) {
+	switch query.QueryType {
+	case AttemptQueryTypeIP:
+		if attempts, ok := s.ipQueryCache[query.Query]; ok {
+			return attempts, nil
+		}
+	case AttemptQueryTypePassword:
+		if attempts, ok := s.passwordQueryCache[query.Query]; ok {
+			return attempts, nil
+		}
+	case AttemptQueryTypeUsername:
+		if attempts, ok := s.usernameQueryCache[query.Query]; ok {
+			return attempts, nil
+		}
+	}
+	attempts, err := s.backend.Query(query)
+	if err != nil {
+		return attempts, err
+	}
+
+	switch query.QueryType {
+	case AttemptQueryTypeIP:
+		s.ipQueryCache[query.Query] = attempts
+	case AttemptQueryTypeUsername:
+		s.ipQueryCache[query.Query] = attempts
+	case AttemptQueryTypePassword:
+		s.ipQueryCache[query.Query] = attempts
+	}
+
+	return attempts, err
+}
+
+func (s *CachingStore) IsHealthy() error {
+	return s.backend.IsHealthy()
+}

honeypot/ssh/store/cache_test.go

@@ -0,0 +1,69 @@
+package store_test
+
+import (
+	"testing"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+)
+
+func TestCacheStore(t *testing.T) {
+	backend := &store.MemoryStore{}
+	s := store.NewCachingStore(backend)
+	testLoginAttemptStore(s, t)
+}
+
+func TestCacheTotalStats(t *testing.T) {
+	backend := &store.MemoryStore{}
+	// Add initial attempts, to ensure that the cache is correcly initialized with existing attempts
+	attempts := randomAttempts(50000)
+	for _, attempt := range attempts {
+		err := backend.AddAttempt(attempt)
+		if err != nil {
+			t.Fatalf("Error adding attempts: %s", err)
+		}
+	}
+	s := store.NewCachingStore(backend)
+	cacheTotals, err := s.Stats(store.LoginStatsTotals, 0)
+	if err != nil {
+		t.Fatalf("Error getting cached stats: %s", err)
+	}
+	backendTotals, err := backend.Stats(store.LoginStatsTotals, 0)
+	if err != nil {
+		t.Fatalf("Error getting cached stats: %s", err)
+	}
+	for i := range cacheTotals {
+		if cacheTotals[i].Count != backendTotals[i].Count || cacheTotals[i].Name != backendTotals[i].Name {
+			t.Fatalf("Mismatched totals: Cache: %+v Backend: %+v", cacheTotals[i], backendTotals[i])
+		}
+	}
+
+	// Add the same attempts again, to ensure that duplicates are handled correctly
+	for _, attempt := range attempts {
+		err := s.AddAttempt(attempt)
+		if err != nil {
+			t.Fatalf("Error adding attempts: %s", err)
+		}
+	}
+
+	// Add some new attempts
+	attempts = randomAttempts(10000)
+	for _, attempt := range attempts {
+		err := s.AddAttempt(attempt)
+		if err != nil {
+			t.Fatalf("Error adding attempts: %s", err)
+		}
+	}
+	cacheTotals, err = s.Stats(store.LoginStatsTotals, 0)
+	if err != nil {
+		t.Fatalf("Error getting cached stats: %s", err)
+	}
+	backendTotals, err = backend.Stats(store.LoginStatsTotals, 0)
+	if err != nil {
+		t.Fatalf("Error getting cached stats: %s", err)
+	}
+	for i := range cacheTotals {
+		if cacheTotals[i].Count != backendTotals[i].Count || cacheTotals[i].Name != backendTotals[i].Name {
+			t.Fatalf("Mismatched totals: Cache: %+v Backend: %+v", cacheTotals[i], backendTotals[i])
+		}
+	}
+}

honeypot/ssh/store/memory.go

@@ -6,9 +6,11 @@ import (
 	"strings"
 	"sync"
 
-	"github.uio.no/torjus/apiary/models"
+	"git.t-juice.club/torjus/apiary/models"
 )
 
+var _ LoginAttemptStore = &MemoryStore{}
+
 type MemoryStore struct {
 	lock      sync.RWMutex
 	attempts  []models.LoginAttempt
@@ -32,8 +34,17 @@ func (ms *MemoryStore) AddAttempt(l *models.LoginAttempt) error {
 	return nil
 }
 
-func (ms *MemoryStore) All() ([]models.LoginAttempt, error) {
+func (ms *MemoryStore) All() (<-chan models.LoginAttempt, error) {
-	return ms.attempts, nil
+	ch := make(chan models.LoginAttempt)
+	go func() {
+		ms.lock.RLock()
+		defer ms.lock.RUnlock()
+		for _, attempt := range ms.attempts {
+			ch <- attempt
+		}
+		close(ch)
+	}()
+	return ch, nil
 }
 
 func (ms *MemoryStore) Stats(statType LoginStats, limit int) ([]StatsResult, error) {
@@ -57,7 +68,7 @@ func (ms *MemoryStore) Stats(statType LoginStats, limit int) ([]StatsResult, err
 		case LoginStatsUsername:
 			counts[a.Username]++
 		default:
-			return nil, fmt.Errorf("Invalid stat type")
+			return nil, fmt.Errorf("invalid stat type")
 		}
 	}
 
@@ -142,6 +153,10 @@ func (ms *MemoryStore) Query(query AttemptQuery) ([]models.LoginAttempt, error)
 	return results, nil
 }
 
+func (s *MemoryStore) IsHealthy() error {
+	return nil
+}
+
 func toResults(m map[string]int) []StatsResult {
 	var results []StatsResult
 

honeypot/ssh/store/memory_test.go

@@ -0,0 +1,24 @@
+package store_test
+
+import (
+	"testing"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+)
+
+func TestMemoryStore(t *testing.T) {
+	s := &store.MemoryStore{}
+	testLoginAttemptStore(s, t)
+}
+func TestMemoryStoreWithCache(t *testing.T) {
+	backend := &store.MemoryStore{}
+	s := store.NewCachingStore(backend)
+	testLoginAttemptStore(s, t)
+}
+
+func BenchmarkMemoryStore(b *testing.B) {
+	setupFunc := func() store.LoginAttemptStore {
+		return &store.MemoryStore{}
+	}
+	benchmarkLoginAttemptStore(setupFunc, b)
+}

honeypot/ssh/store/metrics.go

@@ -0,0 +1,127 @@
+package store
+
+import (
+	"context"
+	"time"
+
+	"git.t-juice.club/torjus/apiary/models"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+var _ LoginAttemptStore = &MetricsCollectingStore{}
+
+const tickDuration = 5 * time.Second
+
+type MetricsCollectingStore struct {
+	store LoginAttemptStore
+
+	attemptsCounter      *prometheus.CounterVec
+	uniqueUsernamesCount prometheus.Gauge
+	uniquePasswordsCount prometheus.Gauge
+	uniqueIPsCount       prometheus.Gauge
+	totalAttemptsCount   prometheus.Gauge
+
+	statsTicker *time.Ticker
+}
+
+func NewMetricsCollectingStore(ctx context.Context, store LoginAttemptStore) *MetricsCollectingStore {
+	mcs := &MetricsCollectingStore{store: store}
+
+	mcs.attemptsCounter = prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Name:        "apiary_ssh_attempt_counter",
+			Help:        "Total count of login attempts toward SSH",
+			ConstLabels: prometheus.Labels{"service": "honeypot_ssh"},
+		},
+		[]string{"CountryCode"},
+	)
+	mcs.uniqueUsernamesCount = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name:        "apiary_ssh_unique_usernames_count",
+			Help:        "Counter of unique usernames.",
+			ConstLabels: prometheus.Labels{"service": "honeypot_ssh"},
+		})
+
+	mcs.uniquePasswordsCount = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name:        "apiary_ssh_unique_passwords_count",
+			Help:        "Counter of unique passwords.",
+			ConstLabels: prometheus.Labels{"service": "honeypot_ssh"},
+		})
+
+	mcs.uniqueIPsCount = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name:        "apiary_ssh_unique_ips_count",
+			Help:        "Counter of unique IPs.",
+			ConstLabels: prometheus.Labels{"service": "honeypot_ssh"},
+		})
+
+	mcs.totalAttemptsCount = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Name:        "apiary_ssh_total_login_attempts",
+			Help:        "Total amount of login attempts made.",
+			ConstLabels: prometheus.Labels{"service": "honeypot_ssh"},
+		})
+
+	prometheus.MustRegister(mcs.attemptsCounter)
+	prometheus.MustRegister(mcs.uniqueUsernamesCount)
+	prometheus.MustRegister(mcs.uniquePasswordsCount)
+	prometheus.MustRegister(mcs.uniqueIPsCount)
+	prometheus.MustRegister(mcs.totalAttemptsCount)
+
+	mcs.statsTicker = time.NewTicker(tickDuration)
+	go func() {
+		defer mcs.statsTicker.Stop()
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-mcs.statsTicker.C:
+				mcs.Stats(LoginStatsTotals, 0) // nolint: errcheck
+			}
+		}
+	}()
+
+	return mcs
+}
+
+func (s *MetricsCollectingStore) AddAttempt(l *models.LoginAttempt) error {
+	err := s.store.AddAttempt(l)
+	s.attemptsCounter.WithLabelValues(l.Country).Inc()
+	return err
+}
+
+func (s *MetricsCollectingStore) All() (<-chan models.LoginAttempt, error) {
+	return s.store.All()
+}
+
+func (s *MetricsCollectingStore) Stats(statType LoginStats, limit int) ([]StatsResult, error) {
+	stats, err := s.store.Stats(statType, limit)
+	if statType == LoginStatsTotals {
+		// Reset ticker to avoid updating twice within the duration
+		s.statsTicker.Reset(tickDuration)
+		for _, element := range stats {
+			switch element.Name {
+			case "UniquePasswords":
+				s.uniquePasswordsCount.Set(float64(element.Count))
+			case "UniqueUsernames":
+				s.uniqueUsernamesCount.Set(float64(element.Count))
+			case "UniqueIPs":
+				s.uniqueIPsCount.Set(float64(element.Count))
+			case "TotalLoginAttempts":
+				s.totalAttemptsCount.Set(float64(element.Count))
+			default:
+				continue
+			}
+		}
+	}
+	return stats, err
+}
+
+func (s *MetricsCollectingStore) Query(query AttemptQuery) ([]models.LoginAttempt, error) {
+	return s.store.Query(query)
+}
+
+func (s *MetricsCollectingStore) IsHealthy() error {
+	return s.store.IsHealthy()
+}

honeypot/ssh/store/postgres.go

@@ -5,10 +5,12 @@ import (
 	"fmt"
 	"net"
 
+	"git.t-juice.club/torjus/apiary/models"
 	_ "github.com/jackc/pgx/v4/stdlib"
-	"github.uio.no/torjus/apiary/models"
 )
 
+var _ LoginAttemptStore = &PostgresStore{}
+
 const DBSchema = `
 CREATE TABLE IF NOT EXISTS login_attempts(
 	id serial PRIMARY KEY,
@@ -51,7 +53,7 @@ RETURNING id;`
 	if err != nil {
 		return err
 	}
-	defer tx.Rollback()
+	defer tx.Rollback() // nolint: errcheck
 
 	var id int
 	if err := tx.QueryRow(stmt, l.Date, l.RemoteIP.String(), l.Username, l.Password, l.SSHClientVersion, l.ConnectionUUID, l.Country).Scan(&id); err != nil {
@@ -61,25 +63,30 @@ RETURNING id;`
 	return tx.Commit()
 }
 
-func (s *PostgresStore) All() ([]models.LoginAttempt, error) {
+func (s *PostgresStore) All() (<-chan models.LoginAttempt, error) {
 	stmt := `SELECT date, remote_ip, username, password, client_version, connection_uuid, country FROM login_attempts`
 
 	rows, err := s.db.Query(stmt)
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
 
-	var attempts []models.LoginAttempt
+	ch := make(chan models.LoginAttempt)
-	for rows.Next() {
+	go func() {
-		var a models.LoginAttempt
+		defer rows.Close()
-		if err := rows.Scan(&a.Date, &a.RemoteIP, &a.Username, &a.Password, &a.SSHClientVersion, &a.SSHClientVersion, &a.Country); err != nil {
+		for rows.Next() {
-			return nil, err
+			var a models.LoginAttempt
+			var ip string
+			if err := rows.Scan(&a.Date, &ip, &a.Username, &a.Password, &a.SSHClientVersion, &a.SSHClientVersion, &a.Country); err != nil {
+				panic(err)
+			}
+			a.RemoteIP = net.ParseIP(ip)
+			ch <- a
 		}
-		attempts = append(attempts, a)
+		close(ch)
-	}
+	}()
 
-	return attempts, nil
+	return ch, nil
 }
 
 func (s *PostgresStore) Stats(statType LoginStats, limit int) ([]StatsResult, error) {
@@ -124,6 +131,13 @@ func (s *PostgresStore) Stats(statType LoginStats, limit int) ([]StatsResult, er
 	return results, nil
 }
 
+func (s *PostgresStore) IsHealthy() error {
+	if err := s.db.Ping(); err != nil {
+		return ErrStoreUnhealthy
+	}
+	return nil
+}
+
 func (s *PostgresStore) statsTotal(limit int) ([]StatsResult, error) {
 	uniquePasswordStmt := `select count(*) from (select distinct password from login_attempts) as temp`
 	uniqueUsernameStmt := `select count(*) from (select distinct username from login_attempts) as temp`
@@ -164,25 +178,25 @@ func (s *PostgresStore) Query(query AttemptQuery) ([]models.LoginAttempt, error)
 	var stmt string
 	queryString := query.Query
 
+	const limit = 10000
+
 	switch query.QueryType {
 	case AttemptQueryTypeIP:
 		stmt = `SELECT id, date, remote_ip, username, password, client_version, connection_uuid, country
-					FROM login_attempts WHERE remote_ip = $1`
+					FROM login_attempts WHERE remote_ip = $1 order by date desc limit $2`
 	case AttemptQueryTypePassword:
 		stmt = `SELECT id, date, remote_ip, username, password, client_version, connection_uuid, country
-					FROM login_attempts WHERE password like $1`
+					FROM login_attempts WHERE password = $1 order by date desc limit $2`
-		queryString = fmt.Sprintf("%%%s%%", queryString)
 	case AttemptQueryTypeUsername:
 		stmt = `SELECT id, date, remote_ip, username, password, client_version, connection_uuid, country
-					FROM login_attempts WHERE username like $1`
+					FROM login_attempts WHERE username = $1 order by date desc limit $2`
-		queryString = fmt.Sprintf("%%%s%%", queryString)
 	default:
-		return nil, fmt.Errorf("Invalid query type")
+		return nil, fmt.Errorf("invalid query type")
 	}
 
-	rows, err := s.db.Query(stmt, queryString)
+	rows, err := s.db.Query(stmt, queryString, limit)
 	if err != nil {
-		return nil, fmt.Errorf("Unable to query database: %w", err)
+		return nil, fmt.Errorf("unable to query database: %w", err)
 	}
 	defer rows.Close()
 
@@ -191,11 +205,10 @@ func (s *PostgresStore) Query(query AttemptQuery) ([]models.LoginAttempt, error)
 		var la models.LoginAttempt
 		var ipString string
 		if err := rows.Scan(&la.ID, &la.Date, &ipString, &la.Username, &la.Password, &la.SSHClientVersion, &la.ConnectionUUID, &la.Country); err != nil {
-			return nil, fmt.Errorf("Unable to unmarshal data from database: %w", err)
+			return nil, fmt.Errorf("unable to unmarshal data from database: %w", err)
 		}
 		la.RemoteIP = net.ParseIP(ipString)
 		results = append(results, la)
-
 	}
 
 	return results, nil

honeypot/ssh/store/postgres_test.go

@@ -0,0 +1,81 @@
+// nolint: errcheck
+package store_test
+
+import (
+	"database/sql"
+	"os"
+	"testing"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+)
+
+func TestPostgresStore(t *testing.T) {
+	var dsn string
+	var found bool
+	dsn, found = os.LookupEnv("APIARY_TEST_POSTGRES_DSN")
+	if !found {
+		t.Skipf("APIARY_TEST_POSTGRES_DSN not set. Skipping.")
+	}
+
+	dropPGDatabase(dsn)
+
+	s, err := store.NewPostgresStore(dsn)
+	if err != nil {
+		t.Fatalf("Error getting store: %s", err)
+	}
+
+	s.InitDB()
+
+	testLoginAttemptStore(s, t)
+}
+
+func TestPostgresStoreWithCache(t *testing.T) {
+	var dsn string
+	var found bool
+	dsn, found = os.LookupEnv("APIARY_TEST_POSTGRES_DSN")
+	if !found {
+		t.Skipf("APIARY_TEST_POSTGRES_DSN not set. Skipping.")
+	}
+
+	dropPGDatabase(dsn)
+
+	pgs, err := store.NewPostgresStore(dsn)
+	if err != nil {
+		t.Fatalf("Error getting store: %s", err)
+	}
+
+	pgs.InitDB()
+	s := store.NewCachingStore(pgs)
+
+	testLoginAttemptStore(s, t)
+}
+
+func BenchmarkPostgresStore(b *testing.B) {
+	var dsn string
+	var found bool
+	dsn, found = os.LookupEnv("APIARY_TEST_POSTGRES_DSN")
+	if !found {
+		b.Skipf("APIARY_TEST_POSTGRES_DSN not set. Skipping.")
+	}
+	dropPGDatabase(dsn)
+	setupFunc := func() store.LoginAttemptStore {
+		dropPGDatabase(dsn)
+		pgs, err := store.NewPostgresStore(dsn)
+		if err != nil {
+			b.Fatalf("Error getting store: %s", err)
+		}
+		pgs.InitDB()
+		return pgs
+	}
+	benchmarkLoginAttemptStore(setupFunc, b)
+	dropPGDatabase(dsn)
+}
+
+func dropPGDatabase(dsn string) {
+	db, err := sql.Open("pgx", dsn)
+	if err != nil {
+		panic(err)
+	}
+
+	_, _ = db.Exec("DROP TABLE login_attempts")
+}

honeypot/ssh/store/store.go

@@ -1,6 +1,12 @@
 package store
 
-import "github.uio.no/torjus/apiary/models"
+import (
+	"errors"
+
+	"git.t-juice.club/torjus/apiary/models"
+)
+
+var ErrStoreUnhealthy = errors.New("store is unhealthy")
 
 type LoginStats string
 
@@ -32,7 +38,12 @@ type AttemptQuery struct {
 }
 type LoginAttemptStore interface {
 	AddAttempt(l *models.LoginAttempt) error
-	All() ([]models.LoginAttempt, error)
+	All() (<-chan models.LoginAttempt, error)
 	Stats(statType LoginStats, limit int) ([]StatsResult, error)
 	Query(query AttemptQuery) ([]models.LoginAttempt, error)
+	HealthCheker
+}
+
+type HealthCheker interface {
+	IsHealthy() error
 }

honeypot/ssh/store/store_test.go

@@ -0,0 +1,325 @@
+package store_test
+
+import (
+	"math/rand"
+	"net"
+	"testing"
+	"time"
+
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+	"git.t-juice.club/torjus/apiary/models"
+	"github.com/google/uuid"
+)
+
+func testLoginAttemptStore(s store.LoginAttemptStore, t *testing.T) {
+	t.Run("Simple", func(t *testing.T) {
+		testAttempts := randomAttempts(10)
+
+		for _, attempt := range testAttempts {
+			if err := s.AddAttempt(attempt); err != nil {
+				t.Fatalf("Error adding attempt: %s", err)
+			}
+		}
+
+		all, err := s.All()
+		if err != nil {
+			t.Fatalf("Error getting all attempts: %s", err)
+		}
+		var count int
+		for range all {
+			count++
+		}
+		if count != len(testAttempts) {
+			t.Errorf("All returned wrong amount. Got %d want %d", count, len(testAttempts))
+		}
+		stats, err := s.Stats(store.LoginStatsTotals, 1)
+		if err != nil {
+			t.Errorf("Stats returned error: %s", err)
+		}
+		for _, stat := range stats {
+			if stat.Name == "TotalLoginAttempts" && stat.Count != len(testAttempts) {
+				t.Errorf("Stats for total attempts is wrong. Got %d want %d", stat.Count, len(testAttempts))
+			}
+		}
+	})
+	t.Run("Query", func(t *testing.T) {
+		testAttempts := []*models.LoginAttempt{
+			{
+				Date:     time.Now(),
+				RemoteIP: net.ParseIP("127.0.0.1"),
+				Username: "corndog",
+				Password: "corndog",
+			},
+			{
+				Date:     time.Now(),
+				RemoteIP: net.ParseIP("127.0.0.1"),
+				Username: "corndog",
+				Password: "c0rnd0g",
+			},
+			{
+				Date:     time.Now(),
+				RemoteIP: net.ParseIP("10.0.0.1"),
+				Username: "root",
+				Password: "password",
+			},
+			{
+				Date:     time.Now(),
+				RemoteIP: net.ParseIP("10.0.0.2"),
+				Username: "ubnt",
+				Password: "password",
+			},
+		}
+
+		for _, attempt := range testAttempts {
+			err := s.AddAttempt(attempt)
+			if err != nil {
+				t.Fatalf("Unable to add attempt: %s", err)
+			}
+		}
+		testCases := []struct {
+			Name           string
+			Query          store.AttemptQuery
+			ExpectedResult []models.LoginAttempt
+		}{
+			{
+				Name:  "password one result",
+				Query: store.AttemptQuery{QueryType: store.AttemptQueryTypePassword, Query: "corndog"},
+				ExpectedResult: []models.LoginAttempt{
+					{
+						RemoteIP: net.ParseIP("127.0.0.1"),
+						Username: "corndog",
+						Password: "corndog",
+					},
+				},
+			},
+			{
+				Name:  "username one result",
+				Query: store.AttemptQuery{QueryType: store.AttemptQueryTypeUsername, Query: "root"},
+				ExpectedResult: []models.LoginAttempt{
+					{
+						RemoteIP: net.ParseIP("10.0.0.1"),
+						Username: "root",
+						Password: "password",
+					},
+				},
+			},
+			{
+				Name:  "username two results",
+				Query: store.AttemptQuery{QueryType: store.AttemptQueryTypeUsername, Query: "corndog"},
+				ExpectedResult: []models.LoginAttempt{
+					{
+						RemoteIP: net.ParseIP("127.0.0.1"),
+						Username: "corndog",
+						Password: "c0rnd0g",
+					},
+					{
+						RemoteIP: net.ParseIP("127.0.0.1"),
+						Username: "corndog",
+						Password: "corndog",
+					},
+				},
+			},
+		}
+
+		for _, tc := range testCases {
+			res, err := s.Query(tc.Query)
+			if err != nil {
+				t.Errorf("Error performing query: %s", err)
+			}
+			if !equalAttempts(res, tc.ExpectedResult) {
+				t.Errorf("Query did not return expected results")
+				t.Logf("%+v", res)
+				t.Logf("%+v", tc.ExpectedResult)
+
+			}
+		}
+	})
+
+	t.Run("QueryCache", func(t *testing.T) {
+		err := s.AddAttempt(&models.LoginAttempt{RemoteIP: net.ParseIP("127.0.0.1"), Username: "test", Password: "test"})
+		if err != nil {
+			t.Fatalf("Error adding attempt: %s", err)
+		}
+
+		res, err := s.Query(store.AttemptQuery{QueryType: store.AttemptQueryTypeUsername, Query: "test"})
+		if err != nil {
+			t.Fatalf("Error adding attempt: %s", err)
+		}
+		if len(res) != 1 {
+			t.Errorf("Wrong amount of results")
+		}
+
+		err = s.AddAttempt(&models.LoginAttempt{RemoteIP: net.ParseIP("127.0.0.1"), Username: "test", Password: "best"})
+		if err != nil {
+			t.Fatalf("Error adding attempt: %s", err)
+		}
+		res, err = s.Query(store.AttemptQuery{QueryType: store.AttemptQueryTypeUsername, Query: "test"})
+		if err != nil {
+			t.Fatalf("Error adding attempt: %s", err)
+		}
+		if len(res) != 2 {
+			t.Errorf("Wrong amount of results")
+		}
+	})
+	t.Run("QueryStats", func(t *testing.T) {
+		firstStats, err := s.Stats(store.LoginStatsTotals, 1)
+		if err != nil {
+			t.Fatalf("Error getting stats: %s", err)
+		}
+		err = s.AddAttempt(&models.LoginAttempt{RemoteIP: net.ParseIP("127.0.0.1"), Username: "test", Password: "best"})
+		if err != nil {
+			t.Fatalf("Error adding attempt: %s", err)
+		}
+		secondStats, err := s.Stats(store.LoginStatsTotals, 1)
+		if err != nil {
+			t.Fatalf("Error getting stats: %s", err)
+		}
+		var firstCount, secondCount int
+		for _, stat := range firstStats {
+			if stat.Name == "TotalLoginAttempts" {
+				firstCount = stat.Count
+			}
+		}
+		for _, stat := range secondStats {
+			if stat.Name == "TotalLoginAttempts" {
+				secondCount = stat.Count
+			}
+		}
+
+		if secondCount != firstCount+1 {
+			t.Errorf("TotalLoginAttempts did not increment")
+		}
+	})
+}
+
+func benchmarkLoginAttemptStore(setupFunc func() store.LoginAttemptStore, b *testing.B) {
+	b.Run("BenchmarkAdd", func(b *testing.B) {
+		s := setupFunc()
+		for i := 0; i < b.N; i++ {
+			attempt := randomAttempts(1)
+			err := s.AddAttempt(attempt[0])
+			if err != nil {
+				b.Fatalf("Error adding attempt: %s", err)
+			}
+		}
+	})
+	b.Run("BenchmarkAdd10k", func(b *testing.B) {
+		attempts := randomAttempts(10_000)
+		for i := 0; i < b.N; i++ {
+			b.StopTimer()
+			s := setupFunc()
+			b.StartTimer()
+			for _, attempt := range attempts {
+				err := s.AddAttempt(attempt)
+				if err != nil {
+					b.Fatalf("Error adding attempt: %s", err)
+				}
+			}
+		}
+	})
+	b.Run("BenchmarkAll10k", func(b *testing.B) {
+		s := setupFunc()
+		attempts := randomAttempts(10_000)
+		for _, attempt := range attempts {
+			err := s.AddAttempt(attempt)
+			if err != nil {
+				b.Fatalf("Error adding attempt: %s", err)
+			}
+		}
+
+		b.ResetTimer()
+		for i := 0; i < b.N; i++ {
+			all, err := s.All()
+			if err != nil {
+				b.Fatalf("Error fetchin all: %s", err)
+			}
+			var count int
+			for range all {
+				count++
+			}
+			_ = count
+		}
+	})
+}
+
+func randomAttempts(count int) []*models.LoginAttempt {
+	var attempts []*models.LoginAttempt
+	for i := 0; i < count; i++ {
+		attempt := &models.LoginAttempt{
+			Date:             time.Now(),
+			RemoteIP:         randomIP(),
+			Username:         randomString(8),
+			Password:         randomString(8),
+			Country:          randomCountry(),
+			ConnectionUUID:   uuid.Must(uuid.NewRandom()),
+			SSHClientVersion: "SSH TEST LOL",
+		}
+		attempts = append(attempts, attempt)
+	}
+	return attempts
+}
+
+func randomIP() net.IP {
+	a := byte(rand.Intn(254))
+	b := byte(rand.Intn(254))
+	c := byte(rand.Intn(254))
+	d := byte(rand.Intn(254))
+	return net.IPv4(a, b, c, d)
+}
+
+func randomString(n int) string {
+	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
+
+func randomCountry() string {
+	switch rand.Intn(10) {
+	case 1:
+		return "CN"
+	case 2:
+		return "US"
+	case 3:
+		return "NO"
+	case 4:
+		return "RU"
+	case 5:
+		return "DE"
+	case 6:
+		return "FI"
+	case 7:
+		return "BR"
+	default:
+		return "SE"
+	}
+}
+
+func equalAttempts(a, b []models.LoginAttempt) bool {
+	if len(a) != len(b) {
+		return false
+	}
+
+	aFound := make([]bool, len(a))
+
+	for i, aAttempt := range a {
+		for _, bAttempt := range b {
+			if aAttempt.Username == bAttempt.Username &&
+				aAttempt.Password == bAttempt.Password &&
+				aAttempt.RemoteIP.String() == bAttempt.RemoteIP.String() {
+				aFound[i] = true
+			}
+		}
+	}
+
+	for _, found := range aFound {
+		if !found {
+			return false
+		}
+	}
+
+	return true
+}

honeypot/store/memory_test.go

@@ -1,119 +0,0 @@
-package store
-
-/*
-func TestStatItems(t *testing.T) {
-	var tc = []struct {
-		Input          StatItems
-		ExpectedOutput StatItems
-	}{
-		{
-			Input: StatItems{
-				{Key: "a", Count: 5},
-				{Key: "b", Count: 100},
-				{Key: "c", Count: 99},
-				{Key: "d", Count: 98},
-				{Key: "f", Count: 18},
-			},
-			ExpectedOutput: StatItems{
-				{Key: "a", Count: 5},
-				{Key: "f", Count: 18},
-				{Key: "d", Count: 98},
-				{Key: "c", Count: 99},
-				{Key: "b", Count: 100},
-			},
-		},
-	}
-
-	for _, testCase := range tc {
-		sort.Sort(testCase.Input)
-
-		for i := range testCase.Input {
-			if testCase.Input[i] != testCase.ExpectedOutput[i] {
-				t.Fatalf("Not sorted correctly")
-			}
-		}
-	}
-}
-
-func TestStats(t *testing.T) {
-	var exampleAttempts = []models.LoginAttempt{
-		{Username: "root", Password: "root", Country: "NO"},
-		{Username: "root", Password: "root", Country: "US"},
-		{Username: "user", Password: "passWord", Country: "US"},
-		{Username: "ibm", Password: "ibm", Country: "US"},
-		{Username: "ubnt", Password: "ubnt", Country: "GB"},
-		{Username: "ubnt", Password: "ubnt", Country: "FI"},
-		{Username: "root", Password: "root", Country: "CH"},
-		{Username: "ubnt", Password: "12345", Country: "DE"},
-		{Username: "oracle", Password: "oracle", Country: "FI"},
-	}
-	var tc = []struct {
-		Attempts       []models.LoginAttempt
-		StatType       LoginStats
-		Limit          int
-		ExpectedOutput map[string]int
-	}{
-		{
-			Attempts: exampleAttempts,
-			StatType: LoginStatsPasswords,
-			Limit:    2,
-			ExpectedOutput: map[string]int{
-				"root": 3,
-				"ubnt": 2,
-			},
-		},
-		{
-			Attempts: exampleAttempts,
-			StatType: LoginStatsPasswords,
-			Limit:    1,
-			ExpectedOutput: map[string]int{
-				"root": 3,
-			},
-		},
-		{
-			Attempts: exampleAttempts,
-			StatType: LoginStatsCountry,
-			Limit:    2,
-			ExpectedOutput: map[string]int{
-				"US": 3,
-				"FI": 2,
-			},
-		},
-		{
-			Attempts: exampleAttempts,
-			StatType: LoginStatsCountry,
-			Limit:    0,
-			ExpectedOutput: map[string]int{
-				"US": 3,
-				"FI": 2,
-				"NO": 1,
-				"GB": 1,
-				"CH": 1,
-				"DE": 1,
-			},
-		},
-	}
-
-	for _, c := range tc {
-		ms := MemoryStore{}
-		for _, a := range c.Attempts {
-			if err := ms.AddAttempt(a); err != nil {
-				t.Fatalf("Unable to add attempt: %s", err)
-			}
-		}
-		stats, err := ms.Stats(c.StatType, c.Limit)
-		if err != nil {
-			t.Fatalf("Error getting stats: %s", err)
-		}
-		if len(stats) != len(c.ExpectedOutput) {
-			t.Fatalf("Stats have wrong length")
-		}
-		for key := range stats {
-			if c.ExpectedOutput[key] != stats[key] {
-				t.Fatalf("Stats does not match expected output")
-			}
-		}
-	}
-
-}
-*/

version.go

@@ -5,8 +5,10 @@ import (
 	"runtime"
 )
 
-var Version = "v0.1.3"
+var (
-var Build string
+	Version = "v0.1.31"
+	Build   string
+)
 
 func FullVersion() string {
 	if Build != "" {

web/frontend.go

@@ -1,3 +1,4 @@
+//go:build !embed
 // +build !embed
 
 package web
@@ -21,7 +22,7 @@ func (s *Server) IndexHandler(frontendDir string) http.HandlerFunc {
 		fname := filepath.Join(frontendDir, r.URL.Path)
 		_, err := os.Stat(fname)
 		if os.IsNotExist(err) {
-			serveIndex(frontendDir).ServeHTTP(w, r)
+			s.serveIndex(frontendDir).ServeHTTP(w, r)
 			return
 		}
 		fs.ServeHTTP(w, r)
@@ -29,7 +30,7 @@ func (s *Server) IndexHandler(frontendDir string) http.HandlerFunc {
 	return http.HandlerFunc(fn)
 }
 
-func serveIndex(frontendDir string) http.HandlerFunc {
+func (s *Server) serveIndex(frontendDir string) http.HandlerFunc {
 	fn := func(w http.ResponseWriter, r *http.Request) {
 		fname := filepath.Join(frontendDir, "index.html")
 		f, err := os.Open(fname)
@@ -38,7 +39,9 @@ func serveIndex(frontendDir string) http.HandlerFunc {
 		}
 		defer f.Close()
 
-		io.Copy(w, f)
+		if _, err := io.Copy(w, f); err != nil {
+			s.ServerLogger.Warnw("Error writing frontend to client.", "err", err)
+		}
 	}
 	return fn
 }

web/middleware.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/go-chi/chi/v5/middleware"
+	"github.com/prometheus/client_golang/prometheus"
 )
 
 // LoggingMiddleware is used for logging info about requests to the servers configured accesslogger.
@@ -16,12 +17,10 @@ func (s *Server) LoggingMiddleware(next http.Handler) http.Handler {
 		reqID := middleware.GetReqID(r.Context())
 
 		defer func() {
-			/*s.AccessLogger.Debugw(r.Method,
+			// If AccessLogIgnoreMetrics is true, do not log successful requests to metrics endpoint
-				"path", r.URL.Path,
+			if s.cfg.AccessLogIgnoreMetrics && r.URL.Path == "/metrics" && ww.Status() == http.StatusOK {
-				"request-headers", r.Header,
+				return
-				"response-headers", ww.Header(),
+			}
-			)
-			*/
 			s.AccessLogger.Infow(r.Method,
 				"path", r.URL.Path,
 				"status", ww.Status(),
@@ -35,3 +34,46 @@ func (s *Server) LoggingMiddleware(next http.Handler) http.Handler {
 	}
 	return http.HandlerFunc(fn)
 }
+
+type MetricsMiddleware struct {
+	requests *prometheus.CounterVec
+	latency  *prometheus.HistogramVec
+}
+
+func (mm *MetricsMiddleware) handler(next http.Handler) http.Handler {
+	fn := func(w http.ResponseWriter, r *http.Request) {
+		ww := middleware.NewWrapResponseWriter(w, r.ProtoMajor)
+		start := time.Now()
+		defer func() {
+			mm.requests.WithLabelValues(http.StatusText(ww.Status()), r.Method, r.URL.Path).Inc()
+			mm.latency.WithLabelValues(http.StatusText(ww.Status()), r.Method, r.URL.Path).Observe(float64(time.Since(start).Milliseconds()))
+		}()
+		next.ServeHTTP(ww, r)
+	}
+
+	return http.HandlerFunc(fn)
+}
+
+func NewMetricsMiddleware() func(next http.Handler) http.Handler {
+	mm := &MetricsMiddleware{}
+	mm.requests = prometheus.NewCounterVec(prometheus.CounterOpts{
+		Name:        "apiary_http_requests_total",
+		Help:        "Total requests processed.",
+		ConstLabels: prometheus.Labels{"service": "http"},
+	},
+		[]string{"code", "method", "path"},
+	)
+
+	mm.latency = prometheus.NewHistogramVec(
+		prometheus.HistogramOpts{
+			Name:        "apiary_http_request_duration_milliseconds",
+			Help:        "Request processing time.",
+			ConstLabels: prometheus.Labels{"service": "http"},
+			Buckets:     []float64{100, 500, 1500},
+		},
+		[]string{"code", "method", "path"},
+	)
+	prometheus.MustRegister(mm.requests)
+	prometheus.MustRegister(mm.latency)
+	return mm.handler
+}

web/server.go

@@ -11,13 +11,15 @@ import (
 	"sync"
 	"time"
 
+	"git.t-juice.club/torjus/apiary"
+	"git.t-juice.club/torjus/apiary/config"
+	"git.t-juice.club/torjus/apiary/honeypot/ssh"
+	"git.t-juice.club/torjus/apiary/honeypot/ssh/store"
+	"git.t-juice.club/torjus/apiary/models"
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/chi/v5/middleware"
 	"github.com/google/uuid"
-	"github.uio.no/torjus/apiary/config"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"github.uio.no/torjus/apiary/honeypot"
-	"github.uio.no/torjus/apiary/honeypot/store"
-	"github.uio.no/torjus/apiary/models"
 	"go.uber.org/zap"
 	"golang.org/x/crypto/acme/autocert"
 )
@@ -30,7 +32,7 @@ type Server struct {
 
 	cfg config.FrontendConfig
 
-	honeypotServer *honeypot.HoneypotServer
+	honeypotServer *ssh.HoneypotServer
 	store          store.LoginAttemptStore
 
 	ServerLogger *zap.SugaredLogger
@@ -41,7 +43,7 @@ type Server struct {
 	streamContext        context.Context
 }
 
-func NewServer(cfg config.FrontendConfig, hs *honeypot.HoneypotServer, store store.LoginAttemptStore) *Server {
+func NewServer(cfg config.FrontendConfig, hs *ssh.HoneypotServer, store store.LoginAttemptStore) *Server {
 	s := &Server{
 		ServerLogger: zap.NewNop().Sugar(),
 		AccessLogger: zap.NewNop().Sugar(),
@@ -65,7 +67,7 @@ func NewServer(cfg config.FrontendConfig, hs *honeypot.HoneypotServer, store sto
 		s.RegisterOnShutdown(func() {
 			timeoutCtx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 			defer cancel()
-			s.httpRedirectServer.Shutdown(timeoutCtx)
+			s.httpRedirectServer.Shutdown(timeoutCtx) // nolint: errcheck
 		})
 		s.Addr = ":443"
 
@@ -83,15 +85,18 @@ func NewServer(cfg config.FrontendConfig, hs *honeypot.HoneypotServer, store sto
 	r.Use(middleware.RealIP)
 	r.Use(middleware.RequestID)
 	r.Use(s.LoggingMiddleware)
+	r.Use(NewMetricsMiddleware())
+	r.Use(middleware.SetHeader("Server", fmt.Sprintf("apiary/%s", apiary.FullVersion())))
 
+	r.Handle("/metrics", promhttp.Handler())
 	r.Route("/", func(r chi.Router) {
 		r.Get("/*", s.IndexHandler("web/vue-frontend/dist"))
 		r.Get("/stream", s.HandlerAttemptStream)
 		r.Route("/api", func(r chi.Router) {
-			r.Use(middleware.SetHeader("Content-Type", "application/json"))
 			r.Get("/stats", s.HandlerStats)
 			r.Get("/stream", s.HandlerAttemptStream)
 			r.Get("/query", s.HandlerQuery)
+			r.Get("/health", s.HandlerHealth)
 		})
 	})
 	s.Handler = r
@@ -146,6 +151,7 @@ func (s *Server) closeAttemptListener(id string) {
 	close(ch)
 	delete(s.attemptListeners, id)
 }
+
 func (s *Server) HandlerAttemptStream(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "text/event-stream")
 	w.Header().Set("Cache-Control", "no-cache")
@@ -211,6 +217,7 @@ func (s *Server) HandlerStats(w http.ResponseWriter, r *http.Request) {
 		s.ServerLogger.Debugf("Error encoding or writing response", "remote_ip", r.RemoteAddr, "error", err)
 	}
 }
+
 func (s *Server) HandlerQuery(w http.ResponseWriter, r *http.Request) {
 	w.Header().Add("Content-Type", "application/json")
 	queryType := r.URL.Query().Get("type")
@@ -269,6 +276,15 @@ func (s *Server) HandlerQuery(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func (s *Server) HandlerHealth(w http.ResponseWriter, r *http.Request) {
+	err := s.store.IsHealthy()
+	if err != nil {
+		s.WriteAPIError(w, r, http.StatusInternalServerError, fmt.Sprintf("Health error: %s", err))
+		return
+	}
+	w.Write([]byte(`{}`)) // nolint: errcheck
+}
+
 type APIErrorResponse struct {
 	Error string `json:"error"`
 }