rough skeleton and basic user authentication

.gitignore

@@ -0,0 +1,2 @@
+.env
+todo

api/endpoints.go

@@ -0,0 +1,82 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func (server *ApiServer) loadEndpoints() {
+	server.engine.GET("/ping", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"message": "pong",
+		})
+	})
+
+	// info for user-end html pages
+	serverInfo := ServerInfo{
+		ClientID: server.conf.ClientID,
+		AuthParams: TwitchAuthParams{
+			ClientID: server.conf.ClientID,
+			ForceVerify: false,
+			RedirectURI: server.conf.RedirectURI,
+			ResponseType: "code",
+			Scope: []string{
+				"bits:read",
+				"channel:bot",
+				"channel:read:goals",
+				"channel:read:hype_train",
+				"channel:read:polls",
+				"channel:manage:polls",
+				"channel:read:predictions",
+				"channel:manage:predictions",
+				"channel:read:redemptions",
+				"channel:manage:redemptions",
+				"channel:read:vips",
+				"channel:moderate",
+				"user:bot",
+				"user:read:broadcast",
+				"user:read:chat",
+				"user:read:emotes",
+				"user:write:chat",
+			},
+			State: "", // TODO make this unique per request
+		},
+	}
+
+	server.engine.GET("/info", func(c *gin.Context) {
+		c.JSON(http.StatusOK, serverInfo)
+	})
+
+	server.engine.GET("/auth", func(c *gin.Context) {
+		// TODO auth response from twitch
+		// parse args as TwitchAuthRespOk or TwitchAuthRespErr
+		c.JSON(http.StatusOK, serverInfo)
+	})
+}
+
+type ServerInfo struct {
+	ClientID string `json:"client_id"`
+	AuthParams TwitchAuthParams `json:"auth_params"`
+}
+
+type TwitchAuthParams struct {
+	ClientID string `json:"client_id"`
+	ForceVerify bool `json:"force_verify"`
+	RedirectURI string `json:"redirect_uri"`
+	ResponseType string `json:"response_type"`
+	Scope []string `json:"scope"`
+	State string `json:"state"`
+}
+
+type TwitchAuthRespOk struct {
+	Code string `json:"code"`
+	Scope string `json:"scope"`
+	State string `json:"state"`
+}
+
+type TwitchAuthRespErr struct {
+	Err string `json:"error"`
+	ErrDesc string `json:"error_description"`
+	State string `json:"state"`
+}

api/main.go

@@ -0,0 +1,33 @@
+package api
+
+import (
+	"github.com/gin-gonic/gin"
+	"zomo.dev/largehadroncollider/db"
+	"zomo.dev/largehadroncollider/ttv"
+	"zomo.dev/largehadroncollider/util"
+)
+
+func InitApiServer(conf *util.Config, dbConn *db.DBConn, twitchConn *ttv.TwitchConn) (*ApiServer, error) {
+	engine := gin.Default()
+
+	apiServer := &ApiServer{ engine, conf, dbConn, twitchConn }
+
+	apiServer.loadEndpoints()
+	
+	return apiServer, nil
+}
+
+type ApiServer struct {
+	engine *gin.Engine
+	conf *util.Config
+	db *db.DBConn
+	twitch *ttv.TwitchConn
+}
+
+func (server *ApiServer) Listen() {
+	server.engine.Run()
+}
+
+func initHTMLFiles() {
+
+}

api/ws/main.go

@@ -0,0 +1,17 @@
+package ws
+
+import (
+	"zomo.dev/largehadroncollider/db"
+	"zomo.dev/largehadroncollider/ttv"
+)
+
+func InitWSServer(dbConn db.DBConn, twitchConn ttv.TwitchConn) (WSServer, error) {
+	return WSServer{}, nil
+}
+
+type WSServer struct {
+}
+
+func (wsServer *WSServer) Listen() {
+	// start web server itself
+}

db/db_cold/main.go

@@ -0,0 +1,10 @@
+package db_cold
+
+// sqlite file
+
+func InitDBColdConn() (DBColdConn, error) {
+	return DBColdConn{}, nil
+}
+
+type DBColdConn struct {
+}

db/db_hot/main.go

@@ -0,0 +1,10 @@
+package db_hot
+
+// redis connection
+
+func InitDBHotConn() (DBHotConn, error) {
+	return DBHotConn{}, nil
+}
+
+type DBHotConn struct {
+}

db/main.go

@@ -0,0 +1,24 @@
+package db
+
+import (
+	"zomo.dev/largehadroncollider/db/db_cold"
+	"zomo.dev/largehadroncollider/db/db_hot"
+	"zomo.dev/largehadroncollider/util"
+)
+
+func InitDBConn(conf *util.Config) (*DBConn, error) {
+	hot, err := db_hot.InitDBHotConn()
+	if err != nil {
+		return nil, err
+	}
+	cold, err := db_cold.InitDBColdConn()
+	if err != nil {
+		return nil, err
+	}
+	return &DBConn{ hot, cold }, nil
+}
+
+type DBConn struct {
+	hot db_hot.DBHotConn
+	cold db_cold.DBColdConn
+}

go.mod

@@ -0,0 +1,53 @@
+module zomo.dev/largehadroncollider
+
+go 1.25.0
+
+require github.com/gin-gonic/gin v1.11.0
+
+require (
+	github.com/adeithe/go-twitch v0.4.1 // indirect
+	github.com/asaskevich/EventBus v0.0.0-20200907212545-49d423059eef // indirect
+	github.com/bytedance/sonic v1.14.0 // indirect
+	github.com/bytedance/sonic/loader v0.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.27.0 // indirect
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+	github.com/gobwas/ws v1.4.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/goccy/go-yaml v1.18.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-sqlite3 v1.14.32 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
+	github.com/quic-go/quic-go v0.54.0 // indirect
+	github.com/redis/go-redis/v9 v9.13.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
+	go.uber.org/mock v0.5.0 // indirect
+	golang.org/x/arch v0.20.0 // indirect
+	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/mod v0.26.0 // indirect
+	golang.org/x/net v0.42.0 // indirect
+	golang.org/x/sync v0.16.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	golang.org/x/tools v0.35.0 // indirect
+	google.golang.org/protobuf v1.36.9 // indirect
+	gorm.io/driver/sqlite v1.6.0 // indirect
+	gorm.io/gorm v1.30.2 // indirect
+)

go.sum

@@ -0,0 +1,107 @@
+github.com/adeithe/go-twitch v0.4.1 h1:y45IXnzPFfDZfStl42LAZw/tOoIfUShVfR91XvXBt2U=
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+github.com/asaskevich/EventBus v0.0.0-20200907212545-49d423059eef/go.mod h1:JS7hed4L1fj0hXcyEejnW57/7LCetXggd+vwrRnYeII=
+github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ=
+github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA=
+github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
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+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
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+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"zomo.dev/largehadroncollider/api"
+	"zomo.dev/largehadroncollider/db"
+	"zomo.dev/largehadroncollider/ttv"
+	"zomo.dev/largehadroncollider/util"
+)
+
+func main() {
+	if err := mainErr(); err != nil {
+		panic(err)
+	}
+}
+
+func mainErr() error {
+	conf, err := util.LoadConfig()
+	if err != nil {
+		return err
+	}
+
+	// init databases
+	dbConn, err := db.InitDBConn(conf)
+	if err != nil {
+		return err
+	}
+
+	// init twitch connections
+	twitchConn, err := ttv.InitTwitchConn(conf, dbConn)
+	if err != nil {
+		return err
+	}
+
+	// init http api  server
+	apiServer, err := api.InitApiServer(conf, dbConn, twitchConn)
+	if err != nil {
+		return err
+	}
+	apiServer.Listen()
+
+	return nil
+}

ttv/auth.go

@@ -0,0 +1,78 @@
+package ttv
+
+import (
+	"context"
+	"errors"
+
+	"github.com/adeithe/go-twitch/api"
+	"zomo.dev/largehadroncollider/db"
+	"zomo.dev/largehadroncollider/util"
+)
+
+// sign in to twitch with each saved tokens
+
+func initAuth(conf *util.Config, dbConn *db.DBConn) (*TwitchAuth, error) {
+	ctx := context.Background()
+	
+	tokens, err := getTokensFromDB(dbConn)
+	if err != nil {
+		return nil, err
+	}
+
+	client := api.New(conf.ClientID)
+
+	accounts, err := testTokens(ctx, client, tokens)
+	if err != nil {
+		return nil, err
+	}
+
+	return &TwitchAuth{ ctx, client, accounts }, nil
+}
+
+type TwitchAuth struct {
+	Ctx context.Context
+	Client *api.Client
+	Accounts []TwitchAuthAccount
+}
+
+type TwitchAuthAccount struct {
+	api.User
+	Token string
+}
+
+func getTokensFromDB(dbConn *db.DBConn) ([]string, error) {
+	// TODO db cold
+	return []string{}, nil
+}
+
+func testTokens(ctx context.Context, client *api.Client, tokens []string) ([]TwitchAuthAccount, error) {
+	accounts := make([]TwitchAuthAccount, 0)
+	for _, token := range tokens {
+		account, err := testToken(ctx, client, token)
+		if err != nil {
+			return nil, err
+		}
+		accounts = append(accounts, account)
+	}
+	return accounts, nil
+}
+
+func testToken(ctx context.Context, client *api.Client, token string) (TwitchAuthAccount, error) {
+	users, err := client.Users.List().Do(ctx, api.WithBearerToken(token))
+	if err != nil {
+		return TwitchAuthAccount{}, err
+	}
+
+	usersData := users.Data
+
+	if len(usersData) <= 0 {
+		return TwitchAuthAccount{}, errors.New("user data returned an empty array")
+	}
+
+	mainUser := usersData[0]
+
+	return TwitchAuthAccount{
+		mainUser,
+		token,
+	}, nil
+}

ttv/events.go

@@ -0,0 +1,6 @@
+package ttv
+
+// hook into twitch events with a given user auth
+
+// the websocket server (or anything else) will have a line to send a function here, i.e. ttv.AddEventHook(func(eventInfo) { ... })
+// this ttv/events class will act as an Event Emitter, where these functions will all be called

ttv/main.go

@@ -0,0 +1,19 @@
+package ttv
+
+import (
+	"zomo.dev/largehadroncollider/db"
+	"zomo.dev/largehadroncollider/util"
+)
+
+func InitTwitchConn(conf *util.Config, dbConn *db.DBConn) (*TwitchConn, error) {
+	auth, err := initAuth(conf, dbConn)
+	if err != nil {
+		return nil, err
+	}
+
+	return &TwitchConn{ auth }, nil
+}
+
+type TwitchConn struct {
+	Auth *TwitchAuth
+}

util/conf.go

@@ -0,0 +1,54 @@
+package util
+
+import (
+	"errors"
+	"os"
+	"strings"
+
+	"github.com/joho/godotenv"
+)
+
+func LoadConfig() (*Config, error) {
+	config := Config{}
+	
+	err := config.loadEnv()
+	if err != nil {
+		return nil, err
+	}
+	// other sources?
+
+	config.verify()
+	return &config, nil
+}
+
+type Config struct {
+	ClientID string
+	RedirectURI string
+}
+
+func (c *Config) loadEnv() error {
+	err := godotenv.Load()
+	if err != nil {
+		return err
+	}
+
+	if str, found := os.LookupEnv("CLIENT_ID"); found {
+		c.ClientID = strings.TrimSpace(str)
+	}
+	if str, found := os.LookupEnv("REDIR_URI"); found {
+		c.RedirectURI = strings.TrimSpace(str)
+	}
+
+	return nil
+}
+
+func (c *Config) verify() error {
+	if c.ClientID == "" {
+		return errors.New("unable to load a configured Client ID")
+	}
+	if c.RedirectURI == "" {
+		return errors.New("unable to load a configured Redirect URI")
+	}
+
+	return nil
+}

util/main.go

@@ -0,0 +1 @@
+package util

web/oauth-login/auth.html

@@ -0,0 +1 @@
+<!-- pass data from url to /auth -->

web/oauth-login/login.html

@@ -0,0 +1,3 @@
+<!-- grab auth data from /info -->
+
+<a href="{{.TwitchAuthURL}}">Connect with Twitch</a>