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super-graph
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Remove config package

This commit is contained in:
Vikram Rangnekar 2020-04-11 02:45:06 -04:00
parent 7831d27345
commit a266517d17
51 changed files with 2856 additions and 848 deletions
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2
Makefile
View File

@ -77,7 +77,7 @@ clean:
run: clean
@go run $(BUILD_FLAGS) main.go $(ARGS)
install: gen
install:
@echo $(GOPATH)
@echo "Commit Hash: `git rev-parse HEAD`"
@echo "Old Hash: `shasum $(GOPATH)/bin/$(BINARY) 2>/dev/null | cut -c -32`"

6
cmd/internal/serv/actions.go
View File

@ -3,13 +3,11 @@ package serv
import (
"fmt"
"net/http"
"github.com/dosco/super-graph/config"
)
type actionFn func(w http.ResponseWriter, r *http.Request) error
func newAction(a *config.Action) (http.Handler, error) {
func newAction(a *Action) (http.Handler, error) {
var fn actionFn
var err error
@ -32,7 +30,7 @@ func newAction(a *config.Action) (http.Handler, error) {
return http.HandlerFunc(httpFn), nil
}
func newSQLAction(a *config.Action) (actionFn, error) {
func newSQLAction(a *Action) (actionFn, error) {
fn := func(w http.ResponseWriter, r *http.Request) error {
_, err := db.ExecContext(r.Context(), a.SQL)
return err

106
cmd/internal/serv/api.go Normal file
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@ -0,0 +1,106 @@
package serv
import (
"time"
"github.com/dosco/super-graph/cmd/internal/serv/internal/auth"
"github.com/dosco/super-graph/core"
"github.com/spf13/viper"
)
const (
LogLevelNone int = iota
LogLevelInfo
LogLevelWarn
LogLevelError
LogLevelDebug
)
type Core = core.Config
// Config struct holds the Super Graph config values
type Config struct {
Core `mapstructure:",squash"`
Serv `mapstructure:",squash"`
cpath string
vi *viper.Viper
}
// Serv struct contains config values used by the Super Graph service
type Serv struct {
AppName string `mapstructure:"app_name"`
Production bool
LogLevel string `mapstructure:"log_level"`
HostPort string `mapstructure:"host_port"`
Host string
Port string
HTTPGZip bool `mapstructure:"http_compress"`
WebUI bool `mapstructure:"web_ui"`
EnableTracing bool `mapstructure:"enable_tracing"`
WatchAndReload bool `mapstructure:"reload_on_config_change"`
AuthFailBlock bool `mapstructure:"auth_fail_block"`
SeedFile string `mapstructure:"seed_file"`
MigrationsPath string `mapstructure:"migrations_path"`
AllowedOrigins []string `mapstructure:"cors_allowed_origins"`
DebugCORS bool `mapstructure:"cors_debug"`
Auth auth.Auth
Auths []auth.Auth
DB struct {
Type string
Host string
Port uint16
DBName string
User string
Password string
Schema string
PoolSize int32 `mapstructure:"pool_size"`
MaxRetries int `mapstructure:"max_retries"`
PingTimeout time.Duration `mapstructure:"ping_timeout"`
} `mapstructure:"database"`
Actions []Action
}
// Auth struct contains authentication related config values used by the Super Graph service
type Auth struct {
Name string
Type string
Cookie string
CredsInHeader bool `mapstructure:"creds_in_header"`
Rails struct {
Version string
SecretKeyBase string `mapstructure:"secret_key_base"`
URL string
Password string
MaxIdle int `mapstructure:"max_idle"`
MaxActive int `mapstructure:"max_active"`
Salt string
SignSalt string `mapstructure:"sign_salt"`
AuthSalt string `mapstructure:"auth_salt"`
}
JWT struct {
Provider string
Secret string
PubKeyFile string `mapstructure:"public_key_file"`
PubKeyType string `mapstructure:"public_key_type"`
}
Header struct {
Name string
Value string
Exists bool
}
}
// Action struct contains config values for a Super Graph service action
type Action struct {
Name string
SQL string
AuthName string `mapstructure:"auth_name"`
}

18
cmd/internal/serv/cmd.go
View File

@ -6,11 +6,8 @@ import (
_log "log"
"os"
"runtime"
"strings"
"github.com/dosco/super-graph/config"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.uber.org/zap"
)
@ -31,7 +28,8 @@ var (
var (
log *_log.Logger // logger
zlog *zap.Logger // fast logger
conf *config.Config // parsed config
logLevel int // log level
conf *Config // parsed config
confPath string // path to the config file
db *sql.DB // database connection pool
secretKey [32]byte // encryption key
@ -132,12 +130,12 @@ e.g. db:migrate -+1
Run: cmdNew,
})
rootCmd.AddCommand(&cobra.Command{
Use: fmt.Sprintf("conf:dump [%s]", strings.Join(viper.SupportedExts, "|")),
Short: "Dump config to file",
Long: "Dump current config to a file in the selected format",
Run: cmdConfDump,
})
// rootCmd.AddCommand(&cobra.Command{
// Use: fmt.Sprintf("conf:dump [%s]", strings.Join(viper.SupportedExts, "|")),
// Short: "Dump config to file",
// Long: "Dump current config to a file in the selected format",
// Run: cmdConfDump,
// })
rootCmd.AddCommand(&cobra.Command{
Use: "version",

38
cmd/internal/serv/cmd_conf.go
View File

@ -1,29 +1,21 @@
package serv
import (
"fmt"
"os"
// func cmdConfDump(cmd *cobra.Command, args []string) {
// if len(args) != 1 {
// cmd.Help() //nolint: errcheck
// os.Exit(1)
// }
"github.com/dosco/super-graph/config"
"github.com/spf13/cobra"
)
// fname := fmt.Sprintf("%s.%s", config.GetConfigName(), args[0])
func cmdConfDump(cmd *cobra.Command, args []string) {
if len(args) != 1 {
cmd.Help() //nolint: errcheck
os.Exit(1)
}
// conf, err := initConf()
// if err != nil {
// log.Fatalf("ERR failed to read config: %s", err)
// }
fname := fmt.Sprintf("%s.%s", config.GetConfigName(), args[0])
// if err := conf.WriteConfigAs(fname); err != nil {
// log.Fatalf("ERR failed to write config: %s", err)
// }
conf, err := initConf()
if err != nil {
log.Fatalf("ERR failed to read config: %s", err)
}
if err := conf.WriteConfigAs(fname); err != nil {
log.Fatalf("ERR failed to write config: %s", err)
}
log.Printf("INF config dumped to ./%s", fname)
}
// log.Printf("INF config dumped to ./%s", fname)
// }

4
cmd/internal/serv/cmd_migrate.go
View File

@ -26,7 +26,7 @@ func cmdDBSetup(cmd *cobra.Command, args []string) {
cmdDBCreate(cmd, []string{})
cmdDBMigrate(cmd, []string{"up"})
sfile := path.Join(conf.ConfigPathUsed(), conf.SeedFile)
sfile := path.Join(conf.cpath, conf.SeedFile)
_, err := os.Stat(sfile)
if err == nil {
@ -144,7 +144,7 @@ func cmdDBMigrate(cmd *cobra.Command, args []string) {
m.Data = getMigrationVars()
err = m.LoadMigrations(path.Join(conf.ConfigPathUsed(), conf.MigrationsPath))
err = m.LoadMigrations(path.Join(conf.cpath, conf.MigrationsPath))
if err != nil {
log.Fatalf("ERR failed to load migrations: %s", err)
}

4
cmd/internal/serv/cmd_seed.go
View File

@ -33,14 +33,14 @@ func cmdDBSeed(cmd *cobra.Command, args []string) {
log.Fatalf("ERR failed to connect to database: %s", err)
}
sfile := path.Join(conf.ConfigPathUsed(), conf.SeedFile)
sfile := path.Join(conf.cpath, conf.SeedFile)
b, err := ioutil.ReadFile(sfile)
if err != nil {
log.Fatalf("ERR failed to read seed file %s: %s", sfile, err)
}
sg, err = core.NewSuperGraph(conf, db)
sg, err = core.NewSuperGraph(&conf.Core, db)
if err != nil {
log.Fatalf("ERR failed to initialize Super Graph: %s", err)
}

2
cmd/internal/serv/cmd_serv.go
View File

@ -28,7 +28,7 @@ func cmdServ(cmd *cobra.Command, args []string) {
// initResolvers()
// }
sg, err = core.NewSuperGraph(conf, db)
sg, err = core.NewSuperGraph(&conf.Core, db)
if err != nil {
fatalInProd(err, "failed to initialize Super Graph")
}

115
cmd/internal/serv/config.go Normal file
View File

@ -0,0 +1,115 @@
package serv
import (
"fmt"
"os"
"path"
"strings"
"github.com/spf13/viper"
)
// ReadInConfig function reads in the config file for the environment specified in the GO_ENV
// environment variable. This is the best way to create a new Super Graph config.
func ReadInConfig(configFile string) (*Config, error) {
cpath := path.Dir(configFile)
cfile := path.Base(configFile)
vi := newViper(cpath, cfile)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
inherits := vi.GetString("inherits")
if len(inherits) != 0 {
vi = newViper(cpath, inherits)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
if vi.IsSet("inherits") {
return nil, fmt.Errorf("inherited config (%s) cannot itself inherit (%s)",
inherits,
vi.GetString("inherits"))
}
vi.SetConfigName(cfile)
if err := vi.MergeInConfig(); err != nil {
return nil, err
}
}
c := &Config{cpath: cpath, vi: vi}
if err := vi.Unmarshal(&c); err != nil {
return nil, fmt.Errorf("failed to decode config, %v", err)
}
if len(c.Core.AllowListFile) == 0 {
c.Core.AllowListFile = path.Join(cpath, "allow.list")
}
return c, nil
}
func newViper(configPath, configFile string) *viper.Viper {
vi := viper.New()
vi.SetEnvPrefix("SG")
vi.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
vi.AutomaticEnv()
vi.AddConfigPath(configPath)
vi.SetConfigName(configFile)
vi.AddConfigPath("./config")
vi.SetDefault("host_port", "0.0.0.0:8080")
vi.SetDefault("web_ui", false)
vi.SetDefault("enable_tracing", false)
vi.SetDefault("auth_fail_block", "always")
vi.SetDefault("seed_file", "seed.js")
vi.SetDefault("database.type", "postgres")
vi.SetDefault("database.host", "localhost")
vi.SetDefault("database.port", 5432)
vi.SetDefault("database.user", "postgres")
vi.SetDefault("database.schema", "public")
vi.SetDefault("env", "development")
vi.BindEnv("env", "GO_ENV") //nolint: errcheck
vi.BindEnv("host", "HOST") //nolint: errcheck
vi.BindEnv("port", "PORT") //nolint: errcheck
vi.SetDefault("auth.rails.max_idle", 80)
vi.SetDefault("auth.rails.max_active", 12000)
return vi
}
func GetConfigName() string {
if len(os.Getenv("GO_ENV")) == 0 {
return "dev"
}
ge := strings.ToLower(os.Getenv("GO_ENV"))
switch {
case strings.HasPrefix(ge, "pro"):
return "prod"
case strings.HasPrefix(ge, "sta"):
return "stage"
case strings.HasPrefix(ge, "tes"):
return "test"
case strings.HasPrefix(ge, "dev"):
return "dev"
}
return ge
}

7
cmd/internal/serv/http.go
View File

@ -9,7 +9,6 @@ import (
"strings"
"github.com/dosco/super-graph/cmd/internal/serv/internal/auth"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core"
"github.com/rs/cors"
"go.uber.org/zap"
@ -83,7 +82,7 @@ func apiV1(w http.ResponseWriter, r *http.Request) {
res, err := sg.GraphQL(ct, req.Query, req.Vars)
if conf.LogLevel() >= config.LogLevelDebug {
if logLevel >= LogLevelDebug {
log.Printf("DBG query:\n%s\nsql:\n%s", req.Query, res.SQL())
}
@ -94,7 +93,7 @@ func apiV1(w http.ResponseWriter, r *http.Request) {
json.NewEncoder(w).Encode(res)
if conf.LogLevel() >= config.LogLevelInfo {
if logLevel >= LogLevelInfo {
zlog.Info("success",
zap.String("op", res.Operation()),
zap.String("name", res.QueryName()),
@ -111,7 +110,7 @@ func renderErr(w http.ResponseWriter, err error, res *core.Result) {
json.NewEncoder(w).Encode(&errorResp{err})
if conf.LogLevel() >= config.LogLevelError {
if logLevel >= LogLevelError {
if res != nil {
zlog.Error(err.Error(),
zap.String("op", res.Operation()),

73
cmd/internal/serv/init.go
View File

@ -3,17 +3,82 @@ package serv
import (
"database/sql"
"fmt"
"path"
"time"
"github.com/dosco/super-graph/config"
_ "github.com/jackc/pgx/v4/stdlib"
)
func initConf() (*config.Config, error) {
return config.NewConfigWithLogger(confPath, log)
func initConf() (*Config, error) {
c, err := ReadInConfig(path.Join(confPath, GetConfigName()))
if err != nil {
return nil, err
}
switch c.LogLevel {
case "debug":
logLevel = LogLevelDebug
case "error":
logLevel = LogLevelError
case "warn":
logLevel = LogLevelWarn
case "info":
logLevel = LogLevelInfo
default:
logLevel = LogLevelNone
}
// Auths: validate and sanitize
am := make(map[string]struct{})
for i := 0; i < len(c.Auths); i++ {
a := &c.Auths[i]
a.Name = sanitize(a.Name)
if _, ok := am[a.Name]; ok {
c.Auths = append(c.Auths[:i], c.Auths[i+1:]...)
log.Printf("WRN duplicate auth found: %s", a.Name)
}
am[a.Name] = struct{}{}
}
// Actions: validate and sanitize
axm := make(map[string]struct{})
for i := 0; i < len(c.Actions); i++ {
a := &c.Actions[i]
a.Name = sanitize(a.Name)
a.AuthName = sanitize(a.AuthName)
if _, ok := axm[a.Name]; ok {
c.Actions = append(c.Actions[:i], c.Actions[i+1:]...)
log.Printf("WRN duplicate action found: %s", a.Name)
}
if _, ok := am[a.AuthName]; !ok {
c.Actions = append(c.Actions[:i], c.Actions[i+1:]...)
log.Printf("WRN invalid auth_name '%s' for auth: %s", a.AuthName, a.Name)
}
axm[a.Name] = struct{}{}
}
var anonFound bool
for _, r := range c.Roles {
if sanitize(r.Name) == "anon" {
anonFound = true
}
}
if !anonFound {
log.Printf("WRN unauthenticated requests will be blocked. no role 'anon' defined")
c.AuthFailBlock = false
}
return c, nil
}
func initDB(c *config.Config) (*sql.DB, error) {
func initDB(c *Config) (*sql.DB, error) {
var db *sql.DB
var err error

40
cmd/internal/serv/internal/auth/auth.go
View File

@ -5,11 +5,43 @@ import (
"fmt"
"net/http"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core"
)
func SimpleHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
// Auth struct contains authentication related config values used by the Super Graph service
type Auth struct {
Name string
Type string
Cookie string
CredsInHeader bool `mapstructure:"creds_in_header"`
Rails struct {
Version string
SecretKeyBase string `mapstructure:"secret_key_base"`
URL string
Password string
MaxIdle int `mapstructure:"max_idle"`
MaxActive int `mapstructure:"max_active"`
Salt string
SignSalt string `mapstructure:"sign_salt"`
AuthSalt string `mapstructure:"auth_salt"`
}
JWT struct {
Provider string
Secret string
PubKeyFile string `mapstructure:"public_key_file"`
PubKeyType string `mapstructure:"public_key_type"`
}
Header struct {
Name string
Value string
Exists bool
}
}
func SimpleHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
return func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
@ -32,7 +64,7 @@ func SimpleHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error)
}, nil
}
func HeaderHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func HeaderHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
hdr := ac.Header
if len(hdr.Name) == 0 {
@ -64,7 +96,7 @@ func HeaderHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error)
}, nil
}
func WithAuth(next http.Handler, ac *config.Auth) (http.Handler, error) {
func WithAuth(next http.Handler, ac *Auth) (http.Handler, error) {
var err error
if ac.CredsInHeader {

3
cmd/internal/serv/internal/auth/jwt.go
View File

@ -7,7 +7,6 @@ import (
"strings"
jwt "github.com/dgrijalva/jwt-go"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core"
)
@ -16,7 +15,7 @@ const (
jwtAuth0 int = iota + 1
)
func JwtHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func JwtHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
var key interface{}
var jwtProvider int

13
cmd/internal/serv/internal/auth/rails.go
View File

@ -9,13 +9,12 @@ import (
"strings"
"github.com/bradfitz/gomemcache/memcache"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core"
"github.com/dosco/super-graph/cmd/internal/serv/internal/rails"
"github.com/dosco/super-graph/core"
"github.com/garyburd/redigo/redis"
)
func RailsHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func RailsHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
ru := ac.Rails.URL
if strings.HasPrefix(ru, "memcache:") {
@ -29,7 +28,7 @@ func RailsHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error)
return RailsCookieHandler(ac, next)
}
func RailsRedisHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func RailsRedisHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
cookie := ac.Cookie
if len(cookie) == 0 {
@ -85,7 +84,7 @@ func RailsRedisHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, er
}, nil
}
func RailsMemcacheHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func RailsMemcacheHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
cookie := ac.Cookie
if len(cookie) == 0 {
@ -128,7 +127,7 @@ func RailsMemcacheHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc,
}, nil
}
func RailsCookieHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, error) {
func RailsCookieHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
cookie := ac.Cookie
if len(cookie) == 0 {
return nil, fmt.Errorf("no auth.cookie defined")
@ -159,7 +158,7 @@ func RailsCookieHandler(ac *config.Auth, next http.Handler) (http.HandlerFunc, e
}, nil
}
func railsAuth(ac *config.Auth) (*rails.Auth, error) {
func railsAuth(ac *Auth) (*rails.Auth, error) {
secret := ac.Rails.SecretKeyBase
if len(secret) == 0 {
return nil, errors.New("no auth.rails.secret_key_base defined")

5
cmd/internal/serv/serv.go
View File

@ -12,11 +12,10 @@ import (
rice "github.com/GeertJohan/go.rice"
"github.com/NYTimes/gziphandler"
"github.com/dosco/super-graph/cmd/internal/serv/internal/auth"
"github.com/dosco/super-graph/config"
)
func initWatcher() {
cpath := conf.ConfigPathUsed()
cpath := conf.cpath
if conf != nil && !conf.WatchAndReload {
return
}
@ -170,7 +169,7 @@ func setActionRoutes(routes map[string]http.Handler) error {
return nil
}
func findAuth(name string) *config.Auth {
func findAuth(name string) *auth.Auth {
for _, a := range conf.Auths {
if strings.EqualFold(a.Name, name) {
return &a

10
cmd/internal/serv/utils.go
View File

@ -113,12 +113,12 @@ func al(b byte) bool {
func fatalInProd(err error, msg string) {
var wg sync.WaitGroup
if !isDev() {
if isDev() {
log.Printf("ERR %s: %s", msg, err)
} else {
log.Fatalf("ERR %s: %s", msg, err)
}
log.Printf("ERR %s: %s", msg, err)
wg.Add(1)
wg.Wait()
}
@ -126,3 +126,7 @@ func fatalInProd(err error, msg string) {
func isDev() bool {
return strings.HasPrefix(os.Getenv("GO_ENV"), "dev")
}
func sanitize(value string) string {
return strings.ToLower(strings.TrimSpace(value))
}

2
cmd/internal/serv/web/.gitignore vendored
View File

@ -7,7 +7,7 @@
/coverage
# production
/build
# /build
# development
/src/components/dataviz/core/*.js.map

30
cmd/internal/serv/web/build/asset-manifest.json Normal file
View File

@ -0,0 +1,30 @@
{
"files": {
"main.css": "/static/css/main.c6b5c55c.chunk.css",
"main.js": "/static/js/main.04d74040.chunk.js",
"main.js.map": "/static/js/main.04d74040.chunk.js.map",
"runtime-main.js": "/static/js/runtime-main.4aea9da3.js",
"runtime-main.js.map": "/static/js/runtime-main.4aea9da3.js.map",
"static/js/2.03370bd3.chunk.js": "/static/js/2.03370bd3.chunk.js",
"static/js/2.03370bd3.chunk.js.map": "/static/js/2.03370bd3.chunk.js.map",
"index.html": "/index.html",
"precache-manifest.e33bc3c7c6774d7032c490820c96901d.js": "/precache-manifest.e33bc3c7c6774d7032c490820c96901d.js",
"service-worker.js": "/service-worker.js",
"static/css/main.c6b5c55c.chunk.css.map": "/static/css/main.c6b5c55c.chunk.css.map",
"static/media/GraphQLLanguageService.js.flow": "/static/media/GraphQLLanguageService.js.5ab204b9.flow",
"static/media/autocompleteUtils.js.flow": "/static/media/autocompleteUtils.js.4ce7ba19.flow",
"static/media/getAutocompleteSuggestions.js.flow": "/static/media/getAutocompleteSuggestions.js.7f98f032.flow",
"static/media/getDefinition.js.flow": "/static/media/getDefinition.js.4dbec62f.flow",
"static/media/getDiagnostics.js.flow": "/static/media/getDiagnostics.js.65b0979a.flow",
"static/media/getHoverInformation.js.flow": "/static/media/getHoverInformation.js.d9411837.flow",
"static/media/getOutline.js.flow": "/static/media/getOutline.js.c04e3998.flow",
"static/media/index.js.flow": "/static/media/index.js.02c24280.flow",
"static/media/logo.png": "/static/media/logo.57ee3b60.png"
},
"entrypoints": [
"static/js/runtime-main.4aea9da3.js",
"static/js/2.03370bd3.chunk.js",
"static/css/main.c6b5c55c.chunk.css",
"static/js/main.04d74040.chunk.js"
]
}

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<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="shortcut icon" href="/favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"/><meta name="theme-color" content="#000000"/><link rel="manifest" href="/manifest.json"/><link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700|Source+Code+Pro:400,700" rel="stylesheet"><title>Super Graph - GraphQL API for Rails</title><link href="/static/css/main.c6b5c55c.chunk.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div><script>!function(i){function e(e){for(var r,t,n=e[0],o=e[1],u=e[2],l=0,f=[];l<n.length;l++)t=n[l],Object.prototype.hasOwnProperty.call(p,t)&&p[t]&&f.push(p[t][0]),p[t]=0;for(r in o)Object.prototype.hasOwnProperty.call(o,r)&&(i[r]=o[r]);for(s&&s(e);f.length;)f.shift()();return c.push.apply(c,u||[]),a()}function a(){for(var e,r=0;r<c.length;r++){for(var t=c[r],n=!0,o=1;o<t.length;o++){var u=t[o];0!==p[u]&&(n=!1)}n&&(c.splice(r--,1),e=l(l.s=t[0]))}return e}var t={},p={1:0},c=[];function l(e){if(t[e])return t[e].exports;var r=t[e]={i:e,l:!1,exports:{}};return i[e].call(r.exports,r,r.exports,l),r.l=!0,r.exports}l.m=i,l.c=t,l.d=function(e,r,t){l.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},l.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},l.t=function(r,e){if(1&e&&(r=l(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(l.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)l.d(t,n,function(e){return r[e]}.bind(null,n));return t},l.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return l.d(r,"a",r),r},l.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},l.p="/";var r=this.webpackJsonpweb=this.webpackJsonpweb||[],n=r.push.bind(r);r.push=e,r=r.slice();for(var o=0;o<r.length;o++)e(r[o]);var s=n;a()}([])</script><script src="/static/js/2.03370bd3.chunk.js"></script><script src="/static/js/main.04d74040.chunk.js"></script></body></html>

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{
"short_name": "Super Graph",
"name": "Super Graph - GraphQL API for Rails",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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self.__precacheManifest = (self.__precacheManifest || []).concat([
{
"revision": "ecdae64182d05c64e7f7f200ed03a4ed",
"url": "/index.html"
},
{
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"url": "/static/css/main.c6b5c55c.chunk.css"
},
{
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},
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]);

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/**
* Welcome to your Workbox-powered service worker!
*
* You'll need to register this file in your web app and you should
* disable HTTP caching for this file too.
* See https://goo.gl/nhQhGp
*
* The rest of the code is auto-generated. Please don't update this file
* directly; instead, make changes to your Workbox build configuration
* and re-run your build process.
* See https://goo.gl/2aRDsh
*/
importScripts("https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js");
importScripts(
"/precache-manifest.e33bc3c7c6774d7032c490820c96901d.js"
);
self.addEventListener('message', (event) => {
if (event.data && event.data.type === 'SKIP_WAITING') {
self.skipWaiting();
}
});
workbox.core.clientsClaim();
/**
* The workboxSW.precacheAndRoute() method efficiently caches and responds to
* requests for URLs in the manifest.
* See https://goo.gl/S9QRab
*/
self.__precacheManifest = [].concat(self.__precacheManifest || []);
workbox.precaching.precacheAndRoute(self.__precacheManifest, {});
workbox.routing.registerNavigationRoute(workbox.precaching.getCacheKeyForURL("/index.html"), {
blacklist: [/^\/_/,/\/[^/?]+\.[^/]+$/],
});

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
DocumentNode,
FragmentSpreadNode,
FragmentDefinitionNode,
OperationDefinitionNode,
TypeDefinitionNode,
NamedTypeNode,
} from 'graphql';
import type {
CompletionItem,
DefinitionQueryResult,
Diagnostic,
GraphQLCache,
GraphQLConfig,
GraphQLProjectConfig,
Uri,
} from 'graphql-language-service-types';
import type {Position} from 'graphql-language-service-utils';
import type {Hover} from 'vscode-languageserver-types';
import {Kind, parse, print} from 'graphql';
import {getAutocompleteSuggestions} from './getAutocompleteSuggestions';
import {getHoverInformation} from './getHoverInformation';
import {validateQuery, getRange, SEVERITY} from './getDiagnostics';
import {
getDefinitionQueryResultForFragmentSpread,
getDefinitionQueryResultForDefinitionNode,
getDefinitionQueryResultForNamedType,
} from './getDefinition';
import {getASTNodeAtPosition} from 'graphql-language-service-utils';
const {
FRAGMENT_DEFINITION,
OBJECT_TYPE_DEFINITION,
INTERFACE_TYPE_DEFINITION,
ENUM_TYPE_DEFINITION,
UNION_TYPE_DEFINITION,
SCALAR_TYPE_DEFINITION,
INPUT_OBJECT_TYPE_DEFINITION,
SCALAR_TYPE_EXTENSION,
OBJECT_TYPE_EXTENSION,
INTERFACE_TYPE_EXTENSION,
UNION_TYPE_EXTENSION,
ENUM_TYPE_EXTENSION,
INPUT_OBJECT_TYPE_EXTENSION,
DIRECTIVE_DEFINITION,
FRAGMENT_SPREAD,
OPERATION_DEFINITION,
NAMED_TYPE,
} = Kind;
export class GraphQLLanguageService {
_graphQLCache: GraphQLCache;
_graphQLConfig: GraphQLConfig;
constructor(cache: GraphQLCache) {
this._graphQLCache = cache;
this._graphQLConfig = cache.getGraphQLConfig();
}
async getDiagnostics(
query: string,
uri: Uri,
isRelayCompatMode?: boolean,
): Promise<Array<Diagnostic>> {
// Perform syntax diagnostics first, as this doesn't require
// schema/fragment definitions, even the project configuration.
let queryHasExtensions = false;
const projectConfig = this._graphQLConfig.getConfigForFile(uri);
const schemaPath = projectConfig.schemaPath;
try {
const queryAST = parse(query);
if (!schemaPath || uri !== schemaPath) {
queryHasExtensions = queryAST.definitions.some(definition => {
switch (definition.kind) {
case OBJECT_TYPE_DEFINITION:
case INTERFACE_TYPE_DEFINITION:
case ENUM_TYPE_DEFINITION:
case UNION_TYPE_DEFINITION:
case SCALAR_TYPE_DEFINITION:
case INPUT_OBJECT_TYPE_DEFINITION:
case SCALAR_TYPE_EXTENSION:
case OBJECT_TYPE_EXTENSION:
case INTERFACE_TYPE_EXTENSION:
case UNION_TYPE_EXTENSION:
case ENUM_TYPE_EXTENSION:
case INPUT_OBJECT_TYPE_EXTENSION:
case DIRECTIVE_DEFINITION:
return true;
}
return false;
});
}
} catch (error) {
const range = getRange(error.locations[0], query);
return [
{
severity: SEVERITY.ERROR,
message: error.message,
source: 'GraphQL: Syntax',
range,
},
];
}
// If there's a matching config, proceed to prepare to run validation
let source = query;
const fragmentDefinitions = await this._graphQLCache.getFragmentDefinitions(
projectConfig,
);
const fragmentDependencies = await this._graphQLCache.getFragmentDependencies(
query,
fragmentDefinitions,
);
const dependenciesSource = fragmentDependencies.reduce(
(prev, cur) => `${prev} ${print(cur.definition)}`,
'',
);
source = `${source} ${dependenciesSource}`;
let validationAst = null;
try {
validationAst = parse(source);
} catch (error) {
// the query string is already checked to be parsed properly - errors
// from this parse must be from corrupted fragment dependencies.
// For IDEs we don't care for errors outside of the currently edited
// query, so we return an empty array here.
return [];
}
// Check if there are custom validation rules to be used
let customRules;
const customRulesModulePath =
projectConfig.extensions.customValidationRules;
if (customRulesModulePath) {
/* eslint-disable no-implicit-coercion */
const rulesPath = require.resolve(`${customRulesModulePath}`);
if (rulesPath) {
customRules = require(`${rulesPath}`)(this._graphQLConfig);
}
/* eslint-enable no-implicit-coercion */
}
const schema = await this._graphQLCache
.getSchema(projectConfig.projectName, queryHasExtensions)
.catch(() => null);
if (!schema) {
return [];
}
return validateQuery(validationAst, schema, customRules, isRelayCompatMode);
}
async getAutocompleteSuggestions(
query: string,
position: Position,
filePath: Uri,
): Promise<Array<CompletionItem>> {
const projectConfig = this._graphQLConfig.getConfigForFile(filePath);
const schema = await this._graphQLCache
.getSchema(projectConfig.projectName)
.catch(() => null);
if (schema) {
return getAutocompleteSuggestions(schema, query, position);
}
return [];
}
async getHoverInformation(
query: string,
position: Position,
filePath: Uri,
): Promise<Hover.contents> {
const projectConfig = this._graphQLConfig.getConfigForFile(filePath);
const schema = await this._graphQLCache
.getSchema(projectConfig.projectName)
.catch(() => null);
if (schema) {
return getHoverInformation(schema, query, position);
}
return '';
}
async getDefinition(
query: string,
position: Position,
filePath: Uri,
): Promise<?DefinitionQueryResult> {
const projectConfig = this._graphQLConfig.getConfigForFile(filePath);
let ast;
try {
ast = parse(query);
} catch (error) {
return null;
}
const node = getASTNodeAtPosition(query, ast, position);
if (node) {
switch (node.kind) {
case FRAGMENT_SPREAD:
return this._getDefinitionForFragmentSpread(
query,
ast,
node,
filePath,
projectConfig,
);
case FRAGMENT_DEFINITION:
case OPERATION_DEFINITION:
return getDefinitionQueryResultForDefinitionNode(
filePath,
query,
(node: FragmentDefinitionNode | OperationDefinitionNode),
);
case NAMED_TYPE:
return this._getDefinitionForNamedType(
query,
ast,
node,
filePath,
projectConfig,
);
}
}
return null;
}
async _getDefinitionForNamedType(
query: string,
ast: DocumentNode,
node: NamedTypeNode,
filePath: Uri,
projectConfig: GraphQLProjectConfig,
): Promise<?DefinitionQueryResult> {
const objectTypeDefinitions = await this._graphQLCache.getObjectTypeDefinitions(
projectConfig,
);
const dependencies = await this._graphQLCache.getObjectTypeDependenciesForAST(
ast,
objectTypeDefinitions,
);
const localObjectTypeDefinitions = ast.definitions.filter(
definition =>
definition.kind === OBJECT_TYPE_DEFINITION ||
definition.kind === INPUT_OBJECT_TYPE_DEFINITION ||
definition.kind === ENUM_TYPE_DEFINITION,
);
const typeCastedDefs = ((localObjectTypeDefinitions: any): Array<
TypeDefinitionNode,
>);
const localOperationDefinationInfos = typeCastedDefs.map(
(definition: TypeDefinitionNode) => ({
filePath,
content: query,
definition,
}),
);
const result = await getDefinitionQueryResultForNamedType(
query,
node,
dependencies.concat(localOperationDefinationInfos),
);
return result;
}
async _getDefinitionForFragmentSpread(
query: string,
ast: DocumentNode,
node: FragmentSpreadNode,
filePath: Uri,
projectConfig: GraphQLProjectConfig,
): Promise<?DefinitionQueryResult> {
const fragmentDefinitions = await this._graphQLCache.getFragmentDefinitions(
projectConfig,
);
const dependencies = await this._graphQLCache.getFragmentDependenciesForAST(
ast,
fragmentDefinitions,
);
const localFragDefinitions = ast.definitions.filter(
definition => definition.kind === FRAGMENT_DEFINITION,
);
const typeCastedDefs = ((localFragDefinitions: any): Array<
FragmentDefinitionNode,
>);
const localFragInfos = typeCastedDefs.map(
(definition: FragmentDefinitionNode) => ({
filePath,
content: query,
definition,
}),
);
const result = await getDefinitionQueryResultForFragmentSpread(
query,
node,
dependencies.concat(localFragInfos),
);
return result;
}
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {GraphQLField, GraphQLSchema, GraphQLType} from 'graphql';
import {isCompositeType} from 'graphql';
import {
SchemaMetaFieldDef,
TypeMetaFieldDef,
TypeNameMetaFieldDef,
} from 'graphql/type/introspection';
import type {
CompletionItem,
ContextToken,
State,
TypeInfo,
} from 'graphql-language-service-types';
// Utility for returning the state representing the Definition this token state
// is within, if any.
export function getDefinitionState(tokenState: State): ?State {
let definitionState;
forEachState(tokenState, state => {
switch (state.kind) {
case 'Query':
case 'ShortQuery':
case 'Mutation':
case 'Subscription':
case 'FragmentDefinition':
definitionState = state;
break;
}
});
return definitionState;
}
// Gets the field definition given a type and field name
export function getFieldDef(
schema: GraphQLSchema,
type: GraphQLType,
fieldName: string,
): ?GraphQLField<*, *> {
if (fieldName === SchemaMetaFieldDef.name && schema.getQueryType() === type) {
return SchemaMetaFieldDef;
}
if (fieldName === TypeMetaFieldDef.name && schema.getQueryType() === type) {
return TypeMetaFieldDef;
}
if (fieldName === TypeNameMetaFieldDef.name && isCompositeType(type)) {
return TypeNameMetaFieldDef;
}
if (type.getFields && typeof type.getFields === 'function') {
return (type.getFields()[fieldName]: any);
}
return null;
}
// Utility for iterating through a CodeMirror parse state stack bottom-up.
export function forEachState(
stack: State,
fn: (state: State) => ?TypeInfo,
): void {
const reverseStateStack = [];
let state = stack;
while (state && state.kind) {
reverseStateStack.push(state);
state = state.prevState;
}
for (let i = reverseStateStack.length - 1; i >= 0; i--) {
fn(reverseStateStack[i]);
}
}
export function objectValues(object: Object): Array<any> {
const keys = Object.keys(object);
const len = keys.length;
const values = new Array(len);
for (let i = 0; i < len; ++i) {
values[i] = object[keys[i]];
}
return values;
}
// Create the expected hint response given a possible list and a token
export function hintList(
token: ContextToken,
list: Array<CompletionItem>,
): Array<CompletionItem> {
return filterAndSortList(list, normalizeText(token.string));
}
// Given a list of hint entries and currently typed text, sort and filter to
// provide a concise list.
function filterAndSortList(
list: Array<CompletionItem>,
text: string,
): Array<CompletionItem> {
if (!text) {
return filterNonEmpty(list, entry => !entry.isDeprecated);
}
const byProximity = list.map(entry => ({
proximity: getProximity(normalizeText(entry.label), text),
entry,
}));
const conciseMatches = filterNonEmpty(
filterNonEmpty(byProximity, pair => pair.proximity <= 2),
pair => !pair.entry.isDeprecated,
);
const sortedMatches = conciseMatches.sort(
(a, b) =>
(a.entry.isDeprecated ? 1 : 0) - (b.entry.isDeprecated ? 1 : 0) ||
a.proximity - b.proximity ||
a.entry.label.length - b.entry.label.length,
);
return sortedMatches.map(pair => pair.entry);
}
// Filters the array by the predicate, unless it results in an empty array,
// in which case return the original array.
function filterNonEmpty(
array: Array<Object>,
predicate: (entry: Object) => boolean,
): Array<Object> {
const filtered = array.filter(predicate);
return filtered.length === 0 ? array : filtered;
}
function normalizeText(text: string): string {
return text.toLowerCase().replace(/\W/g, '');
}
// Determine a numeric proximity for a suggestion based on current text.
function getProximity(suggestion: string, text: string): number {
// start with lexical distance
let proximity = lexicalDistance(text, suggestion);
if (suggestion.length > text.length) {
// do not penalize long suggestions.
proximity -= suggestion.length - text.length - 1;
// penalize suggestions not starting with this phrase
proximity += suggestion.indexOf(text) === 0 ? 0 : 0.5;
}
return proximity;
}
/**
* Computes the lexical distance between strings A and B.
*
* The "distance" between two strings is given by counting the minimum number
* of edits needed to transform string A into string B. An edit can be an
* insertion, deletion, or substitution of a single character, or a swap of two
* adjacent characters.
*
* This distance can be useful for detecting typos in input or sorting
*
* @param {string} a
* @param {string} b
* @return {int} distance in number of edits
*/
function lexicalDistance(a: string, b: string): number {
let i;
let j;
const d = [];
const aLength = a.length;
const bLength = b.length;
for (i = 0; i <= aLength; i++) {
d[i] = [i];
}
for (j = 1; j <= bLength; j++) {
d[0][j] = j;
}
for (i = 1; i <= aLength; i++) {
for (j = 1; j <= bLength; j++) {
const cost = a[i - 1] === b[j - 1] ? 0 : 1;
d[i][j] = Math.min(
d[i - 1][j] + 1,
d[i][j - 1] + 1,
d[i - 1][j - 1] + cost,
);
if (i > 1 && j > 1 && a[i - 1] === b[j - 2] && a[i - 2] === b[j - 1]) {
d[i][j] = Math.min(d[i][j], d[i - 2][j - 2] + cost);
}
}
}
return d[aLength][bLength];
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
FragmentDefinitionNode,
GraphQLDirective,
GraphQLSchema,
} from 'graphql';
import type {
CompletionItem,
ContextToken,
State,
TypeInfo,
} from 'graphql-language-service-types';
import type {Position} from 'graphql-language-service-utils';
import {
GraphQLBoolean,
GraphQLEnumType,
GraphQLInputObjectType,
GraphQLList,
SchemaMetaFieldDef,
TypeMetaFieldDef,
TypeNameMetaFieldDef,
assertAbstractType,
doTypesOverlap,
getNamedType,
getNullableType,
isAbstractType,
isCompositeType,
isInputType,
} from 'graphql';
import {CharacterStream, onlineParser} from 'graphql-language-service-parser';
import {
forEachState,
getDefinitionState,
getFieldDef,
hintList,
objectValues,
} from './autocompleteUtils';
/**
* Given GraphQLSchema, queryText, and context of the current position within
* the source text, provide a list of typeahead entries.
*/
export function getAutocompleteSuggestions(
schema: GraphQLSchema,
queryText: string,
cursor: Position,
contextToken?: ContextToken,
): Array<CompletionItem> {
const token = contextToken || getTokenAtPosition(queryText, cursor);
const state =
token.state.kind === 'Invalid' ? token.state.prevState : token.state;
// relieve flow errors by checking if `state` exists
if (!state) {
return [];
}
const kind = state.kind;
const step = state.step;
const typeInfo = getTypeInfo(schema, token.state);
// Definition kinds
if (kind === 'Document') {
return hintList(token, [
{label: 'query'},
{label: 'mutation'},
{label: 'subscription'},
{label: 'fragment'},
{label: '{'},
]);
}
// Field names
if (kind === 'SelectionSet' || kind === 'Field' || kind === 'AliasedField') {
return getSuggestionsForFieldNames(token, typeInfo, schema);
}
// Argument names
if (kind === 'Arguments' || (kind === 'Argument' && step === 0)) {
const argDefs = typeInfo.argDefs;
if (argDefs) {
return hintList(
token,
argDefs.map(argDef => ({
label: argDef.name,
detail: String(argDef.type),
documentation: argDef.description,
})),
);
}
}
// Input Object fields
if (kind === 'ObjectValue' || (kind === 'ObjectField' && step === 0)) {
if (typeInfo.objectFieldDefs) {
const objectFields = objectValues(typeInfo.objectFieldDefs);
return hintList(
token,
objectFields.map(field => ({
label: field.name,
detail: String(field.type),
documentation: field.description,
})),
);
}
}
// Input values: Enum and Boolean
if (
kind === 'EnumValue' ||
(kind === 'ListValue' && step === 1) ||
(kind === 'ObjectField' && step === 2) ||
(kind === 'Argument' && step === 2)
) {
return getSuggestionsForInputValues(token, typeInfo);
}
// Fragment type conditions
if (
(kind === 'TypeCondition' && step === 1) ||
(kind === 'NamedType' &&
state.prevState != null &&
state.prevState.kind === 'TypeCondition')
) {
return getSuggestionsForFragmentTypeConditions(token, typeInfo, schema);
}
// Fragment spread names
if (kind === 'FragmentSpread' && step === 1) {
return getSuggestionsForFragmentSpread(token, typeInfo, schema, queryText);
}
// Variable definition types
if (
(kind === 'VariableDefinition' && step === 2) ||
(kind === 'ListType' && step === 1) ||
(kind === 'NamedType' &&
state.prevState &&
(state.prevState.kind === 'VariableDefinition' ||
state.prevState.kind === 'ListType'))
) {
return getSuggestionsForVariableDefinition(token, schema);
}
// Directive names
if (kind === 'Directive') {
return getSuggestionsForDirective(token, state, schema);
}
return [];
}
// Helper functions to get suggestions for each kinds
function getSuggestionsForFieldNames(
token: ContextToken,
typeInfo: TypeInfo,
schema: GraphQLSchema,
): Array<CompletionItem> {
if (typeInfo.parentType) {
const parentType = typeInfo.parentType;
const fields =
parentType.getFields instanceof Function
? objectValues(parentType.getFields())
: [];
if (isAbstractType(parentType)) {
fields.push(TypeNameMetaFieldDef);
}
if (parentType === schema.getQueryType()) {
fields.push(SchemaMetaFieldDef, TypeMetaFieldDef);
}
return hintList(
token,
fields.map(field => ({
label: field.name,
detail: String(field.type),
documentation: field.description,
isDeprecated: field.isDeprecated,
deprecationReason: field.deprecationReason,
})),
);
}
return [];
}
function getSuggestionsForInputValues(
token: ContextToken,
typeInfo: TypeInfo,
): Array<CompletionItem> {
const namedInputType = getNamedType(typeInfo.inputType);
if (namedInputType instanceof GraphQLEnumType) {
const values = namedInputType.getValues();
return hintList(
token,
values.map(value => ({
label: value.name,
detail: String(namedInputType),
documentation: value.description,
isDeprecated: value.isDeprecated,
deprecationReason: value.deprecationReason,
})),
);
} else if (namedInputType === GraphQLBoolean) {
return hintList(token, [
{
label: 'true',
detail: String(GraphQLBoolean),
documentation: 'Not false.',
},
{
label: 'false',
detail: String(GraphQLBoolean),
documentation: 'Not true.',
},
]);
}
return [];
}
function getSuggestionsForFragmentTypeConditions(
token: ContextToken,
typeInfo: TypeInfo,
schema: GraphQLSchema,
): Array<CompletionItem> {
let possibleTypes;
if (typeInfo.parentType) {
if (isAbstractType(typeInfo.parentType)) {
const abstractType = assertAbstractType(typeInfo.parentType);
// Collect both the possible Object types as well as the interfaces
// they implement.
const possibleObjTypes = schema.getPossibleTypes(abstractType);
const possibleIfaceMap = Object.create(null);
possibleObjTypes.forEach(type => {
type.getInterfaces().forEach(iface => {
possibleIfaceMap[iface.name] = iface;
});
});
possibleTypes = possibleObjTypes.concat(objectValues(possibleIfaceMap));
} else {
// The parent type is a non-abstract Object type, so the only possible
// type that can be used is that same type.
possibleTypes = [typeInfo.parentType];
}
} else {
const typeMap = schema.getTypeMap();
possibleTypes = objectValues(typeMap).filter(isCompositeType);
}
return hintList(
token,
possibleTypes.map(type => {
const namedType = getNamedType(type);
return {
label: String(type),
documentation: (namedType && namedType.description) || '',
};
}),
);
}
function getSuggestionsForFragmentSpread(
token: ContextToken,
typeInfo: TypeInfo,
schema: GraphQLSchema,
queryText: string,
): Array<CompletionItem> {
const typeMap = schema.getTypeMap();
const defState = getDefinitionState(token.state);
const fragments = getFragmentDefinitions(queryText);
// Filter down to only the fragments which may exist here.
const relevantFrags = fragments.filter(
frag =>
// Only include fragments with known types.
typeMap[frag.typeCondition.name.value] &&
// Only include fragments which are not cyclic.
!(
defState &&
defState.kind === 'FragmentDefinition' &&
defState.name === frag.name.value
) &&
// Only include fragments which could possibly be spread here.
isCompositeType(typeInfo.parentType) &&
isCompositeType(typeMap[frag.typeCondition.name.value]) &&
doTypesOverlap(
schema,
typeInfo.parentType,
typeMap[frag.typeCondition.name.value],
),
);
return hintList(
token,
relevantFrags.map(frag => ({
label: frag.name.value,
detail: String(typeMap[frag.typeCondition.name.value]),
documentation: `fragment ${frag.name.value} on ${
frag.typeCondition.name.value
}`,
})),
);
}
function getFragmentDefinitions(
queryText: string,
): Array<FragmentDefinitionNode> {
const fragmentDefs = [];
runOnlineParser(queryText, (_, state) => {
if (state.kind === 'FragmentDefinition' && state.name && state.type) {
fragmentDefs.push({
kind: 'FragmentDefinition',
name: {
kind: 'Name',
value: state.name,
},
selectionSet: {
kind: 'SelectionSet',
selections: [],
},
typeCondition: {
kind: 'NamedType',
name: {
kind: 'Name',
value: state.type,
},
},
});
}
});
return fragmentDefs;
}
function getSuggestionsForVariableDefinition(
token: ContextToken,
schema: GraphQLSchema,
): Array<CompletionItem> {
const inputTypeMap = schema.getTypeMap();
const inputTypes = objectValues(inputTypeMap).filter(isInputType);
return hintList(
token,
inputTypes.map(type => ({
label: type.name,
documentation: type.description,
})),
);
}
function getSuggestionsForDirective(
token: ContextToken,
state: State,
schema: GraphQLSchema,
): Array<CompletionItem> {
if (state.prevState && state.prevState.kind) {
const directives = schema
.getDirectives()
.filter(directive => canUseDirective(state.prevState, directive));
return hintList(
token,
directives.map(directive => ({
label: directive.name,
documentation: directive.description || '',
})),
);
}
return [];
}
export function getTokenAtPosition(
queryText: string,
cursor: Position,
): ContextToken {
let styleAtCursor = null;
let stateAtCursor = null;
let stringAtCursor = null;
const token = runOnlineParser(queryText, (stream, state, style, index) => {
if (index === cursor.line) {
if (stream.getCurrentPosition() >= cursor.character) {
styleAtCursor = style;
stateAtCursor = {...state};
stringAtCursor = stream.current();
return 'BREAK';
}
}
});
// Return the state/style of parsed token in case those at cursor aren't
// available.
return {
start: token.start,
end: token.end,
string: stringAtCursor || token.string,
state: stateAtCursor || token.state,
style: styleAtCursor || token.style,
};
}
/**
* Provides an utility function to parse a given query text and construct a
* `token` context object.
* A token context provides useful information about the token/style that
* CharacterStream currently possesses, as well as the end state and style
* of the token.
*/
type callbackFnType = (
stream: CharacterStream,
state: State,
style: string,
index: number,
) => void | 'BREAK';
function runOnlineParser(
queryText: string,
callback: callbackFnType,
): ContextToken {
const lines = queryText.split('\n');
const parser = onlineParser();
let state = parser.startState();
let style = '';
let stream: CharacterStream = new CharacterStream('');
for (let i = 0; i < lines.length; i++) {
stream = new CharacterStream(lines[i]);
while (!stream.eol()) {
style = parser.token(stream, state);
const code = callback(stream, state, style, i);
if (code === 'BREAK') {
break;
}
}
// Above while loop won't run if there is an empty line.
// Run the callback one more time to catch this.
callback(stream, state, style, i);
if (!state.kind) {
state = parser.startState();
}
}
return {
start: stream.getStartOfToken(),
end: stream.getCurrentPosition(),
string: stream.current(),
state,
style,
};
}
function canUseDirective(
state: $PropertyType<State, 'prevState'>,
directive: GraphQLDirective,
): boolean {
if (!state || !state.kind) {
return false;
}
const kind = state.kind;
const locations = directive.locations;
switch (kind) {
case 'Query':
return locations.indexOf('QUERY') !== -1;
case 'Mutation':
return locations.indexOf('MUTATION') !== -1;
case 'Subscription':
return locations.indexOf('SUBSCRIPTION') !== -1;
case 'Field':
case 'AliasedField':
return locations.indexOf('FIELD') !== -1;
case 'FragmentDefinition':
return locations.indexOf('FRAGMENT_DEFINITION') !== -1;
case 'FragmentSpread':
return locations.indexOf('FRAGMENT_SPREAD') !== -1;
case 'InlineFragment':
return locations.indexOf('INLINE_FRAGMENT') !== -1;
// Schema Definitions
case 'SchemaDef':
return locations.indexOf('SCHEMA') !== -1;
case 'ScalarDef':
return locations.indexOf('SCALAR') !== -1;
case 'ObjectTypeDef':
return locations.indexOf('OBJECT') !== -1;
case 'FieldDef':
return locations.indexOf('FIELD_DEFINITION') !== -1;
case 'InterfaceDef':
return locations.indexOf('INTERFACE') !== -1;
case 'UnionDef':
return locations.indexOf('UNION') !== -1;
case 'EnumDef':
return locations.indexOf('ENUM') !== -1;
case 'EnumValue':
return locations.indexOf('ENUM_VALUE') !== -1;
case 'InputDef':
return locations.indexOf('INPUT_OBJECT') !== -1;
case 'InputValueDef':
const prevStateKind = state.prevState && state.prevState.kind;
switch (prevStateKind) {
case 'ArgumentsDef':
return locations.indexOf('ARGUMENT_DEFINITION') !== -1;
case 'InputDef':
return locations.indexOf('INPUT_FIELD_DEFINITION') !== -1;
}
}
return false;
}
// Utility for collecting rich type information given any token's state
// from the graphql-mode parser.
export function getTypeInfo(
schema: GraphQLSchema,
tokenState: State,
): TypeInfo {
let argDef;
let argDefs;
let directiveDef;
let enumValue;
let fieldDef;
let inputType;
let objectFieldDefs;
let parentType;
let type;
forEachState(tokenState, state => {
switch (state.kind) {
case 'Query':
case 'ShortQuery':
type = schema.getQueryType();
break;
case 'Mutation':
type = schema.getMutationType();
break;
case 'Subscription':
type = schema.getSubscriptionType();
break;
case 'InlineFragment':
case 'FragmentDefinition':
if (state.type) {
type = schema.getType(state.type);
}
break;
case 'Field':
case 'AliasedField':
if (!type || !state.name) {
fieldDef = null;
} else {
fieldDef = parentType
? getFieldDef(schema, parentType, state.name)
: null;
type = fieldDef ? fieldDef.type : null;
}
break;
case 'SelectionSet':
parentType = getNamedType(type);
break;
case 'Directive':
directiveDef = state.name ? schema.getDirective(state.name) : null;
break;
case 'Arguments':
if (!state.prevState) {
argDefs = null;
} else {
switch (state.prevState.kind) {
case 'Field':
argDefs = fieldDef && fieldDef.args;
break;
case 'Directive':
argDefs = directiveDef && directiveDef.args;
break;
case 'AliasedField':
const name = state.prevState && state.prevState.name;
if (!name) {
argDefs = null;
break;
}
const field = parentType
? getFieldDef(schema, parentType, name)
: null;
if (!field) {
argDefs = null;
break;
}
argDefs = field.args;
break;
default:
argDefs = null;
break;
}
}
break;
case 'Argument':
if (argDefs) {
for (let i = 0; i < argDefs.length; i++) {
if (argDefs[i].name === state.name) {
argDef = argDefs[i];
break;
}
}
}
inputType = argDef && argDef.type;
break;
case 'EnumValue':
const enumType = getNamedType(inputType);
enumValue =
enumType instanceof GraphQLEnumType
? find(enumType.getValues(), val => val.value === state.name)
: null;
break;
case 'ListValue':
const nullableType = getNullableType(inputType);
inputType =
nullableType instanceof GraphQLList ? nullableType.ofType : null;
break;
case 'ObjectValue':
const objectType = getNamedType(inputType);
objectFieldDefs =
objectType instanceof GraphQLInputObjectType
? objectType.getFields()
: null;
break;
case 'ObjectField':
const objectField =
state.name && objectFieldDefs ? objectFieldDefs[state.name] : null;
inputType = objectField && objectField.type;
break;
case 'NamedType':
if (state.name) {
type = schema.getType(state.name);
}
break;
}
});
return {
argDef,
argDefs,
directiveDef,
enumValue,
fieldDef,
inputType,
objectFieldDefs,
parentType,
type,
};
}
// Returns the first item in the array which causes predicate to return truthy.
function find(array, predicate) {
for (let i = 0; i < array.length; i++) {
if (predicate(array[i])) {
return array[i];
}
}
return null;
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
ASTNode,
FragmentSpreadNode,
FragmentDefinitionNode,
OperationDefinitionNode,
NamedTypeNode,
TypeDefinitionNode,
} from 'graphql';
import type {
Definition,
DefinitionQueryResult,
FragmentInfo,
Position,
Range,
Uri,
ObjectTypeInfo,
} from 'graphql-language-service-types';
import {locToRange, offsetToPosition} from 'graphql-language-service-utils';
import invariant from 'assert';
export const LANGUAGE = 'GraphQL';
function getRange(text: string, node: ASTNode): Range {
const location = node.loc;
invariant(location, 'Expected ASTNode to have a location.');
return locToRange(text, location);
}
function getPosition(text: string, node: ASTNode): Position {
const location = node.loc;
invariant(location, 'Expected ASTNode to have a location.');
return offsetToPosition(text, location.start);
}
export async function getDefinitionQueryResultForNamedType(
text: string,
node: NamedTypeNode,
dependencies: Array<ObjectTypeInfo>,
): Promise<DefinitionQueryResult> {
const name = node.name.value;
const defNodes = dependencies.filter(
({definition}) => definition.name && definition.name.value === name,
);
if (defNodes.length === 0) {
process.stderr.write(`Definition not found for GraphQL type ${name}`);
return {queryRange: [], definitions: []};
}
const definitions: Array<Definition> = defNodes.map(
({filePath, content, definition}) =>
getDefinitionForNodeDefinition(filePath || '', content, definition),
);
return {
definitions,
queryRange: definitions.map(_ => getRange(text, node)),
};
}
export async function getDefinitionQueryResultForFragmentSpread(
text: string,
fragment: FragmentSpreadNode,
dependencies: Array<FragmentInfo>,
): Promise<DefinitionQueryResult> {
const name = fragment.name.value;
const defNodes = dependencies.filter(
({definition}) => definition.name.value === name,
);
if (defNodes.length === 0) {
process.stderr.write(`Definition not found for GraphQL fragment ${name}`);
return {queryRange: [], definitions: []};
}
const definitions: Array<Definition> = defNodes.map(
({filePath, content, definition}) =>
getDefinitionForFragmentDefinition(filePath || '', content, definition),
);
return {
definitions,
queryRange: definitions.map(_ => getRange(text, fragment)),
};
}
export function getDefinitionQueryResultForDefinitionNode(
path: Uri,
text: string,
definition: FragmentDefinitionNode | OperationDefinitionNode,
): DefinitionQueryResult {
return {
definitions: [getDefinitionForFragmentDefinition(path, text, definition)],
queryRange: definition.name ? [getRange(text, definition.name)] : [],
};
}
function getDefinitionForFragmentDefinition(
path: Uri,
text: string,
definition: FragmentDefinitionNode | OperationDefinitionNode,
): Definition {
const name = definition.name;
invariant(name, 'Expected ASTNode to have a Name.');
return {
path,
position: getPosition(text, definition),
range: getRange(text, definition),
name: name.value || '',
language: LANGUAGE,
// This is a file inside the project root, good enough for now
projectRoot: path,
};
}
function getDefinitionForNodeDefinition(
path: Uri,
text: string,
definition: TypeDefinitionNode,
): Definition {
const name = definition.name;
invariant(name, 'Expected ASTNode to have a Name.');
return {
path,
position: getPosition(text, definition),
range: getRange(text, definition),
name: name.value || '',
language: LANGUAGE,
// This is a file inside the project root, good enough for now
projectRoot: path,
};
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
ASTNode,
DocumentNode,
GraphQLError,
GraphQLSchema,
Location,
SourceLocation,
} from 'graphql';
import type {
Diagnostic,
CustomValidationRule,
} from 'graphql-language-service-types';
import invariant from 'assert';
import {findDeprecatedUsages, parse} from 'graphql';
import {CharacterStream, onlineParser} from 'graphql-language-service-parser';
import {
Position,
Range,
validateWithCustomRules,
} from 'graphql-language-service-utils';
export const SEVERITY = {
ERROR: 1,
WARNING: 2,
INFORMATION: 3,
HINT: 4,
};
export function getDiagnostics(
query: string,
schema: ?GraphQLSchema = null,
customRules?: Array<CustomValidationRule>,
isRelayCompatMode?: boolean,
): Array<Diagnostic> {
let ast = null;
try {
ast = parse(query);
} catch (error) {
const range = getRange(error.locations[0], query);
return [
{
severity: SEVERITY.ERROR,
message: error.message,
source: 'GraphQL: Syntax',
range,
},
];
}
return validateQuery(ast, schema, customRules, isRelayCompatMode);
}
export function validateQuery(
ast: DocumentNode,
schema: ?GraphQLSchema = null,
customRules?: Array<CustomValidationRule>,
isRelayCompatMode?: boolean,
): Array<Diagnostic> {
// We cannot validate the query unless a schema is provided.
if (!schema) {
return [];
}
const validationErrorAnnotations = mapCat(
validateWithCustomRules(schema, ast, customRules, isRelayCompatMode),
error => annotations(error, SEVERITY.ERROR, 'Validation'),
);
// Note: findDeprecatedUsages was added in graphql@0.9.0, but we want to
// support older versions of graphql-js.
const deprecationWarningAnnotations = !findDeprecatedUsages
? []
: mapCat(findDeprecatedUsages(schema, ast), error =>
annotations(error, SEVERITY.WARNING, 'Deprecation'),
);
return validationErrorAnnotations.concat(deprecationWarningAnnotations);
}
// General utility for map-cating (aka flat-mapping).
function mapCat<T>(
array: Array<T>,
mapper: (item: T) => Array<any>,
): Array<any> {
return Array.prototype.concat.apply([], array.map(mapper));
}
function annotations(
error: GraphQLError,
severity: number,
type: string,
): Array<Diagnostic> {
if (!error.nodes) {
return [];
}
return error.nodes.map(node => {
const highlightNode =
node.kind !== 'Variable' && node.name
? node.name
: node.variable
? node.variable
: node;
invariant(error.locations, 'GraphQL validation error requires locations.');
const loc = error.locations[0];
const highlightLoc = getLocation(highlightNode);
const end = loc.column + (highlightLoc.end - highlightLoc.start);
return {
source: `GraphQL: ${type}`,
message: error.message,
severity,
range: new Range(
new Position(loc.line - 1, loc.column - 1),
new Position(loc.line - 1, end),
),
};
});
}
export function getRange(location: SourceLocation, queryText: string) {
const parser = onlineParser();
const state = parser.startState();
const lines = queryText.split('\n');
invariant(
lines.length >= location.line,
'Query text must have more lines than where the error happened',
);
let stream = null;
for (let i = 0; i < location.line; i++) {
stream = new CharacterStream(lines[i]);
while (!stream.eol()) {
const style = parser.token(stream, state);
if (style === 'invalidchar') {
break;
}
}
}
invariant(stream, 'Expected Parser stream to be available.');
const line = location.line - 1;
const start = stream.getStartOfToken();
const end = stream.getCurrentPosition();
return new Range(new Position(line, start), new Position(line, end));
}
/**
* Get location info from a node in a type-safe way.
*
* The only way a node could not have a location is if we initialized the parser
* (and therefore the lexer) with the `noLocation` option, but we always
* call `parse` without options above.
*/
function getLocation(node: any): Location {
const typeCastedNode = (node: ASTNode);
const location = typeCastedNode.loc;
invariant(location, 'Expected ASTNode to have a location.');
return location;
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
/**
* Ported from codemirror-graphql
* https://github.com/graphql/codemirror-graphql/blob/master/src/info.js
*/
import type {GraphQLSchema} from 'graphql';
import type {ContextToken} from 'graphql-language-service-types';
import type {Hover} from 'vscode-languageserver-types';
import type {Position} from 'graphql-language-service-utils';
import {getTokenAtPosition, getTypeInfo} from './getAutocompleteSuggestions';
import {GraphQLNonNull, GraphQLList} from 'graphql';
export function getHoverInformation(
schema: GraphQLSchema,
queryText: string,
cursor: Position,
contextToken?: ContextToken,
): Hover.contents {
const token = contextToken || getTokenAtPosition(queryText, cursor);
if (!schema || !token || !token.state) {
return [];
}
const state = token.state;
const kind = state.kind;
const step = state.step;
const typeInfo = getTypeInfo(schema, token.state);
const options = {schema};
// Given a Schema and a Token, produce the contents of an info tooltip.
// To do this, create a div element that we will render "into" and then pass
// it to various rendering functions.
if (
(kind === 'Field' && step === 0 && typeInfo.fieldDef) ||
(kind === 'AliasedField' && step === 2 && typeInfo.fieldDef)
) {
const into = [];
renderField(into, typeInfo, options);
renderDescription(into, options, typeInfo.fieldDef);
return into.join('').trim();
} else if (kind === 'Directive' && step === 1 && typeInfo.directiveDef) {
const into = [];
renderDirective(into, typeInfo, options);
renderDescription(into, options, typeInfo.directiveDef);
return into.join('').trim();
} else if (kind === 'Argument' && step === 0 && typeInfo.argDef) {
const into = [];
renderArg(into, typeInfo, options);
renderDescription(into, options, typeInfo.argDef);
return into.join('').trim();
} else if (
kind === 'EnumValue' &&
typeInfo.enumValue &&
typeInfo.enumValue.description
) {
const into = [];
renderEnumValue(into, typeInfo, options);
renderDescription(into, options, typeInfo.enumValue);
return into.join('').trim();
} else if (
kind === 'NamedType' &&
typeInfo.type &&
typeInfo.type.description
) {
const into = [];
renderType(into, typeInfo, options, typeInfo.type);
renderDescription(into, options, typeInfo.type);
return into.join('').trim();
}
}
function renderField(into, typeInfo, options) {
renderQualifiedField(into, typeInfo, options);
renderTypeAnnotation(into, typeInfo, options, typeInfo.type);
}
function renderQualifiedField(into, typeInfo, options) {
if (!typeInfo.fieldDef) {
return;
}
const fieldName = (typeInfo.fieldDef.name: string);
if (fieldName.slice(0, 2) !== '__') {
renderType(into, typeInfo, options, typeInfo.parentType);
text(into, '.');
}
text(into, fieldName);
}
function renderDirective(into, typeInfo, options) {
if (!typeInfo.directiveDef) {
return;
}
const name = '@' + typeInfo.directiveDef.name;
text(into, name);
}
function renderArg(into, typeInfo, options) {
if (typeInfo.directiveDef) {
renderDirective(into, typeInfo, options);
} else if (typeInfo.fieldDef) {
renderQualifiedField(into, typeInfo, options);
}
if (!typeInfo.argDef) {
return;
}
const name = typeInfo.argDef.name;
text(into, '(');
text(into, name);
renderTypeAnnotation(into, typeInfo, options, typeInfo.inputType);
text(into, ')');
}
function renderTypeAnnotation(into, typeInfo, options, t) {
text(into, ': ');
renderType(into, typeInfo, options, t);
}
function renderEnumValue(into, typeInfo, options) {
if (!typeInfo.enumValue) {
return;
}
const name = typeInfo.enumValue.name;
renderType(into, typeInfo, options, typeInfo.inputType);
text(into, '.');
text(into, name);
}
function renderType(into, typeInfo, options, t) {
if (!t) {
return;
}
if (t instanceof GraphQLNonNull) {
renderType(into, typeInfo, options, t.ofType);
text(into, '!');
} else if (t instanceof GraphQLList) {
text(into, '[');
renderType(into, typeInfo, options, t.ofType);
text(into, ']');
} else {
text(into, t.name);
}
}
function renderDescription(into, options, def) {
if (!def) {
return;
}
const description =
typeof def.description === 'string' ? def.description : null;
if (description) {
text(into, '\n\n');
text(into, description);
}
renderDeprecation(into, options, def);
}
function renderDeprecation(into, options, def) {
if (!def) {
return;
}
const reason =
typeof def.deprecationReason === 'string' ? def.deprecationReason : null;
if (!reason) {
return;
}
text(into, '\n\n');
text(into, 'Deprecated: ');
text(into, reason);
}
function text(into: string[], content: string) {
into.push(content);
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
Outline,
TextToken,
TokenKind,
} from 'graphql-language-service-types';
import {Kind, parse, visit} from 'graphql';
import {offsetToPosition} from 'graphql-language-service-utils';
const {INLINE_FRAGMENT} = Kind;
const OUTLINEABLE_KINDS = {
Field: true,
OperationDefinition: true,
Document: true,
SelectionSet: true,
Name: true,
FragmentDefinition: true,
FragmentSpread: true,
InlineFragment: true,
};
type OutlineTreeConverterType = {[name: string]: Function};
export function getOutline(queryText: string): ?Outline {
let ast;
try {
ast = parse(queryText);
} catch (error) {
return null;
}
const visitorFns = outlineTreeConverter(queryText);
const outlineTrees = visit(ast, {
leave(node) {
if (
OUTLINEABLE_KINDS.hasOwnProperty(node.kind) &&
visitorFns[node.kind]
) {
return visitorFns[node.kind](node);
}
return null;
},
});
return {outlineTrees};
}
function outlineTreeConverter(docText: string): OutlineTreeConverterType {
const meta = node => ({
representativeName: node.name,
startPosition: offsetToPosition(docText, node.loc.start),
endPosition: offsetToPosition(docText, node.loc.end),
children: node.selectionSet || [],
});
return {
Field: node => {
const tokenizedText = node.alias
? [buildToken('plain', node.alias), buildToken('plain', ': ')]
: [];
tokenizedText.push(buildToken('plain', node.name));
return {tokenizedText, ...meta(node)};
},
OperationDefinition: node => ({
tokenizedText: [
buildToken('keyword', node.operation),
buildToken('whitespace', ' '),
buildToken('class-name', node.name),
],
...meta(node),
}),
Document: node => node.definitions,
SelectionSet: node =>
concatMap(node.selections, child => {
return child.kind === INLINE_FRAGMENT ? child.selectionSet : child;
}),
Name: node => node.value,
FragmentDefinition: node => ({
tokenizedText: [
buildToken('keyword', 'fragment'),
buildToken('whitespace', ' '),
buildToken('class-name', node.name),
],
...meta(node),
}),
FragmentSpread: node => ({
tokenizedText: [
buildToken('plain', '...'),
buildToken('class-name', node.name),
],
...meta(node),
}),
InlineFragment: node => node.selectionSet,
};
}
function buildToken(kind: TokenKind, value: string): TextToken {
return {kind, value};
}
function concatMap(arr: Array<any>, fn: Function): Array<any> {
const res = [];
for (let i = 0; i < arr.length; i++) {
const x = fn(arr[i], i);
if (Array.isArray(x)) {
res.push(...x);
} else {
res.push(x);
}
}
return res;
}

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/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
export {
getDefinitionState,
getFieldDef,
forEachState,
objectValues,
hintList,
} from './autocompleteUtils';
export {getAutocompleteSuggestions} from './getAutocompleteSuggestions';
export {
LANGUAGE,
getDefinitionQueryResultForFragmentSpread,
getDefinitionQueryResultForDefinitionNode,
} from './getDefinition';
export {getDiagnostics, validateQuery} from './getDiagnostics';
export {getOutline} from './getOutline';
export {getHoverInformation} from './getHoverInformation';
export {GraphQLLanguageService} from './GraphQLLanguageService';

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config/config.go
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// Package config provides the config values needed for Super Graph
// For detailed documentation visit https://supergraph.dev
package config
import (
"fmt"
"log"
"os"
"path"
"strings"
"time"
"github.com/gobuffalo/flect"
"github.com/spf13/viper"
)
const (
LogLevelNone int = iota
LogLevelInfo
LogLevelWarn
LogLevelError
LogLevelDebug
)
// Config struct holds the Super Graph config values
type Config struct {
Core `mapstructure:",squash"`
Serv `mapstructure:",squash"`
vi *viper.Viper
log *log.Logger
logLevel int
roles map[string]*Role
abacEnabled bool
valid bool
}
// Core struct contains core specific config value
type Core struct {
Env string
Production bool
LogLevel string `mapstructure:"log_level"`
SecretKey string `mapstructure:"secret_key"`
SetUserID bool `mapstructure:"set_user_id"`
Vars map[string]string `mapstructure:"variables"`
Blocklist []string
Tables []Table
RolesQuery string `mapstructure:"roles_query"`
Roles []Role
}
// Serv struct contains config values used by the Super Graph service
type Serv struct {
AppName string `mapstructure:"app_name"`
HostPort string `mapstructure:"host_port"`
Host string
Port string
HTTPGZip bool `mapstructure:"http_compress"`
WebUI bool `mapstructure:"web_ui"`
EnableTracing bool `mapstructure:"enable_tracing"`
UseAllowList bool `mapstructure:"use_allow_list"`
WatchAndReload bool `mapstructure:"reload_on_config_change"`
AuthFailBlock bool `mapstructure:"auth_fail_block"`
SeedFile string `mapstructure:"seed_file"`
MigrationsPath string `mapstructure:"migrations_path"`
AllowedOrigins []string `mapstructure:"cors_allowed_origins"`
DebugCORS bool `mapstructure:"cors_debug"`
Inflections map[string]string
Auth Auth
Auths []Auth
DB struct {
Type string
Host string
Port uint16
DBName string
User string
Password string
Schema string
PoolSize int32 `mapstructure:"pool_size"`
MaxRetries int `mapstructure:"max_retries"`
PingTimeout time.Duration `mapstructure:"ping_timeout"`
} `mapstructure:"database"`
Actions []Action
}
// Auth struct contains authentication related config values used by the Super Graph service
type Auth struct {
Name string
Type string
Cookie string
CredsInHeader bool `mapstructure:"creds_in_header"`
Rails struct {
Version string
SecretKeyBase string `mapstructure:"secret_key_base"`
URL string
Password string
MaxIdle int `mapstructure:"max_idle"`
MaxActive int `mapstructure:"max_active"`
Salt string
SignSalt string `mapstructure:"sign_salt"`
AuthSalt string `mapstructure:"auth_salt"`
}
JWT struct {
Provider string
Secret string
PubKeyFile string `mapstructure:"public_key_file"`
PubKeyType string `mapstructure:"public_key_type"`
}
Header struct {
Name string
Value string
Exists bool
}
}
// Column struct defines a database column
type Column struct {
Name string
Type string
ForeignKey string `mapstructure:"related_to"`
}
// Table struct defines a database table
type Table struct {
Name string
Table string
Blocklist []string
Remotes []Remote
Columns []Column
}
// Remote struct defines a remote API endpoint
type Remote struct {
Name string
ID string
Path string
URL string
Debug bool
PassHeaders []string `mapstructure:"pass_headers"`
SetHeaders []struct {
Name string
Value string
} `mapstructure:"set_headers"`
}
// Query struct contains access control values for query operations
type Query struct {
Limit int
Filters []string
Columns []string
DisableFunctions bool `mapstructure:"disable_functions"`
Block bool
}
// Insert struct contains access control values for insert operations
type Insert struct {
Filters []string
Columns []string
Presets map[string]string
Block bool
}
// Insert struct contains access control values for update operations
type Update struct {
Filters []string
Columns []string
Presets map[string]string
Block bool
}
// Delete struct contains access control values for delete operations
type Delete struct {
Filters []string
Columns []string
Block bool
}
// RoleTable struct contains role specific access control values for a database table
type RoleTable struct {
Name string
Query Query
Insert Insert
Update Update
Delete Delete
}
// Role struct contains role specific access control values for for all database tables
type Role struct {
Name string
Match string
Tables []RoleTable
tablesMap map[string]*RoleTable
}
// Action struct contains config values for a Super Graph service action
type Action struct {
Name string
SQL string
AuthName string `mapstructure:"auth_name"`
}
// NewConfig function reads in the config file for the environment specified in the GO_ENV
// environment variable. This is the best way to create a new Super Graph config.
func NewConfig(path string) (*Config, error) {
return NewConfigWithLogger(path, log.New(os.Stdout, "", 0))
}
// NewConfigWithLogger function reads in the config file for the environment specified in the GO_ENV
// environment variable. This is the best way to create a new Super Graph config.
func NewConfigWithLogger(path string, logger *log.Logger) (*Config, error) {
vi := newViper(path, GetConfigName())
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
inherits := vi.GetString("inherits")
if len(inherits) != 0 {
vi = newViper(path, inherits)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
if vi.IsSet("inherits") {
return nil, fmt.Errorf("inherited config (%s) cannot itself inherit (%s)",
inherits,
vi.GetString("inherits"))
}
vi.SetConfigName(GetConfigName())
if err := vi.MergeInConfig(); err != nil {
return nil, err
}
}
c := &Config{log: logger, vi: vi}
if err := vi.Unmarshal(&c); err != nil {
return nil, fmt.Errorf("failed to decode config, %v", err)
}
if err := c.init(); err != nil {
return nil, fmt.Errorf("failed to initialize config: %w", err)
}
return c, nil
}
// NewConfigFrom function initializes a Config struct that you manually created
// so it can be used by Super Graph
func NewConfigFrom(c *Config, configPath string, logger *log.Logger) (*Config, error) {
c.vi = newViper(configPath, GetConfigName())
c.log = logger
if err := c.init(); err != nil {
return nil, err
}
return c, nil
}
func newViper(configPath, filename string) *viper.Viper {
vi := viper.New()
vi.SetEnvPrefix("SG")
vi.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
vi.AutomaticEnv()
vi.SetConfigName(filename)
vi.AddConfigPath(configPath)
vi.AddConfigPath("./config")
vi.SetDefault("host_port", "0.0.0.0:8080")
vi.SetDefault("web_ui", false)
vi.SetDefault("enable_tracing", false)
vi.SetDefault("auth_fail_block", "always")
vi.SetDefault("seed_file", "seed.js")
vi.SetDefault("database.type", "postgres")
vi.SetDefault("database.host", "localhost")
vi.SetDefault("database.port", 5432)
vi.SetDefault("database.user", "postgres")
vi.SetDefault("database.schema", "public")
vi.SetDefault("env", "development")
vi.BindEnv("env", "GO_ENV") //nolint: errcheck
vi.BindEnv("host", "HOST") //nolint: errcheck
vi.BindEnv("port", "PORT") //nolint: errcheck
vi.SetDefault("auth.rails.max_idle", 80)
vi.SetDefault("auth.rails.max_active", 12000)
return vi
}
func (c *Config) init() error {
switch c.Core.LogLevel {
case "debug":
c.logLevel = LogLevelDebug
case "error":
c.logLevel = LogLevelError
case "warn":
c.logLevel = LogLevelWarn
case "info":
c.logLevel = LogLevelInfo
default:
c.logLevel = LogLevelNone
}
if c.UseAllowList {
c.Production = true
}
for k, v := range c.Inflections {
flect.AddPlural(k, v)
}
// Tables: Validate and sanitize
tm := make(map[string]struct{})
for i := 0; i < len(c.Tables); i++ {
t := &c.Tables[i]
t.Name = flect.Pluralize(strings.ToLower(t.Name))
if _, ok := tm[t.Name]; ok {
c.Tables = append(c.Tables[:i], c.Tables[i+1:]...)
c.log.Printf("WRN duplicate table found: %s", t.Name)
}
tm[t.Name] = struct{}{}
t.Table = flect.Pluralize(strings.ToLower(t.Table))
}
// Variables: Validate and sanitize
for k, v := range c.Vars {
c.Vars[k] = sanitize(v)
}
// Roles: validate and sanitize
c.RolesQuery = sanitize(c.RolesQuery)
c.roles = make(map[string]*Role)
for i := 0; i < len(c.Roles); i++ {
r := &c.Roles[i]
r.Name = strings.ToLower(r.Name)
if _, ok := c.roles[r.Name]; ok {
c.Roles = append(c.Roles[:i], c.Roles[i+1:]...)
c.log.Printf("WRN duplicate role found: %s", r.Name)
}
r.Match = sanitize(r.Match)
r.tablesMap = make(map[string]*RoleTable)
for n, table := range r.Tables {
r.tablesMap[table.Name] = &r.Tables[n]
}
c.roles[r.Name] = r
}
if _, ok := c.roles["user"]; !ok {
u := Role{Name: "user"}
c.Roles = append(c.Roles, u)
c.roles["user"] = &u
}
if _, ok := c.roles["anon"]; !ok {
c.log.Printf("WRN unauthenticated requests will be blocked. no role 'anon' defined")
c.AuthFailBlock = true
}
if len(c.RolesQuery) == 0 {
c.log.Printf("WRN roles_query not defined: attribute based access control disabled")
}
if len(c.RolesQuery) == 0 {
c.abacEnabled = false
} else {
switch len(c.Roles) {
case 0, 1:
c.abacEnabled = false
case 2:
_, ok1 := c.roles["anon"]
_, ok2 := c.roles["user"]
c.abacEnabled = !(ok1 && ok2)
default:
c.abacEnabled = true
}
}
// Auths: validate and sanitize
am := make(map[string]struct{})
for i := 0; i < len(c.Auths); i++ {
a := &c.Auths[i]
a.Name = strings.ToLower(a.Name)
if _, ok := am[a.Name]; ok {
c.Auths = append(c.Auths[:i], c.Auths[i+1:]...)
c.log.Printf("WRN duplicate auth found: %s", a.Name)
}
am[a.Name] = struct{}{}
}
// Actions: validate and sanitize
axm := make(map[string]struct{})
for i := 0; i < len(c.Actions); i++ {
a := &c.Actions[i]
a.Name = strings.ToLower(a.Name)
a.AuthName = strings.ToLower(a.AuthName)
if _, ok := axm[a.Name]; ok {
c.Actions = append(c.Actions[:i], c.Actions[i+1:]...)
c.log.Printf("WRN duplicate action found: %s", a.Name)
}
if _, ok := am[a.AuthName]; !ok {
c.Actions = append(c.Actions[:i], c.Actions[i+1:]...)
c.log.Printf("WRN invalid auth_name '%s' for auth: %s", a.AuthName, a.Name)
}
axm[a.Name] = struct{}{}
}
c.valid = true
return nil
}
// GetDBTableAliases function returns a map with database tables as keys
// and a list of aliases as values
func (c *Config) GetDBTableAliases() map[string][]string {
m := make(map[string][]string, len(c.Tables))
for i := range c.Tables {
t := c.Tables[i]
if len(t.Table) == 0 || len(t.Columns) != 0 {
continue
}
m[t.Table] = append(m[t.Table], t.Name)
}
return m
}
// IsABACEnabled function returns true if attribute based access control is enabled
func (c *Config) IsABACEnabled() bool {
return c.abacEnabled
}
// IsAnonRoleDefined function returns true if the config has configuration for the `anon` role
func (c *Config) IsAnonRoleDefined() bool {
_, ok := c.roles["anon"]
return ok
}
// GetRole function returns returns the Role struct by name
func (c *Config) GetRole(name string) *Role {
role := c.roles[name]
return role
}
// ConfigPathUsed function returns the path to the current config file (excluding filename)
func (c *Config) ConfigPathUsed() string {
return path.Dir(c.vi.ConfigFileUsed())
}
// WriteConfigAs function writes the config to a file
// Format defined by extension (eg: .yml, .json)
func (c *Config) WriteConfigAs(fname string) error {
return c.vi.WriteConfigAs(fname)
}
// Log function returns the logger
func (c *Config) Log() *log.Logger {
return c.log
}
// LogLevel function returns the log level
func (c *Config) LogLevel() int {
return c.logLevel
}
// IsValid function returns true if the Config struct is initialized and valid
func (c *Config) IsValid() bool {
return c.valid
}
// GetTable function returns the RoleTable struct for a Role by table name
func (r *Role) GetTable(name string) *RoleTable {
table := r.tablesMap[name]
return table
}

13
config/config_test.go
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package config
import (
"testing"
)
func TestInitConf(t *testing.T) {
_, err := NewConfig("../examples/rails-app/config/supergraph")
if err != nil {
t.Fatal(err.Error())
}
}

52
config/utils.go
View File

@ -1,52 +0,0 @@
package config
import (
"os"
"regexp"
"strings"
"unicode"
)
var (
varRe1 = regexp.MustCompile(`(?mi)\$([a-zA-Z0-9_.]+)`)
varRe2 = regexp.MustCompile(`\{\{([a-zA-Z0-9_.]+)\}\}`)
)
func sanitize(s string) string {
s0 := varRe1.ReplaceAllString(s, `{{$1}}`)
s1 := strings.Map(func(r rune) rune {
if unicode.IsSpace(r) {
return ' '
}
return r
}, s0)
return varRe2.ReplaceAllStringFunc(s1, func(m string) string {
return strings.ToLower(m)
})
}
func GetConfigName() string {
if len(os.Getenv("GO_ENV")) == 0 {
return "dev"
}
ge := strings.ToLower(os.Getenv("GO_ENV"))
switch {
case strings.HasPrefix(ge, "pro"):
return "prod"
case strings.HasPrefix(ge, "sta"):
return "stage"
case strings.HasPrefix(ge, "tes"):
return "test"
case strings.HasPrefix(ge, "dev"):
return "dev"
}
return ge
}

34
core/api.go
View File

@ -9,7 +9,6 @@
"database/sql"
"fmt"
"time"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core"
_ "github.com/jackc/pgx/v4/stdlib"
)
@ -20,7 +19,7 @@
log.Fatalf(err)
}
conf, err := config.NewConfig("./config")
conf, err := core.ReadInConfig("./config/dev.yml")
if err != nil {
log.Fatalf(err)
}
@ -53,10 +52,9 @@ import (
"crypto/sha256"
"database/sql"
"encoding/json"
"fmt"
"log"
_log "log"
"os"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core/internal/allow"
"github.com/dosco/super-graph/core/internal/crypto"
"github.com/dosco/super-graph/core/internal/psql"
@ -80,36 +78,32 @@ const (
// SuperGraph struct is an instance of the Super Graph engine it holds all the required information like
// datase schemas, relationships, etc that the GraphQL to SQL compiler would need to do it's job.
type SuperGraph struct {
conf *config.Config
conf *Config
db *sql.DB
log *_log.Logger
schema *psql.DBSchema
allowList *allow.List
encKey [32]byte
prepared map[string]*preparedItem
roles map[string]*Role
getRole *sql.Stmt
abacEnabled bool
anonExists bool
qc *qcode.Compiler
pc *psql.Compiler
}
// NewConfig functions initializes config using a config.Core struct
func NewConfig(core config.Core, configPath string, logger *log.Logger) (*config.Config, error) {
c, err := config.NewConfigFrom(&config.Config{Core: core}, configPath, logger)
if err != nil {
return nil, err
}
return c, nil
}
// NewSuperGraph creates the SuperGraph struct, this involves querying the database to learn its
// schemas and relationships
func NewSuperGraph(conf *config.Config, db *sql.DB) (*SuperGraph, error) {
if !conf.IsValid() {
return nil, fmt.Errorf("invalid config")
}
func NewSuperGraph(conf *Config, db *sql.DB) (*SuperGraph, error) {
sg := &SuperGraph{
conf: conf,
db: db,
log: _log.New(os.Stdout, "", 0),
}
if err := sg.initConfig(); err != nil {
return nil, err
}
if err := sg.initCompilers(); err != nil {

11
core/build.go
View File

@ -7,13 +7,12 @@ import (
"fmt"
"io"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core/internal/psql"
"github.com/dosco/super-graph/core/internal/qcode"
)
type stmt struct {
role *config.Role
role *Role
qc *qcode.QCode
skipped uint32
sql string
@ -29,7 +28,7 @@ func (sg *SuperGraph) buildStmt(qt qcode.QType, query, vars []byte, role string)
return sg.buildRoleStmt(query, vars, "anon")
}
if sg.conf.IsABACEnabled() {
if sg.abacEnabled {
return sg.buildMultiStmt(query, vars)
}
@ -41,8 +40,8 @@ func (sg *SuperGraph) buildStmt(qt qcode.QType, query, vars []byte, role string)
}
func (sg *SuperGraph) buildRoleStmt(query, vars []byte, role string) ([]stmt, error) {
ro := sg.conf.GetRole(role)
if ro == nil {
ro, ok := sg.roles[role]
if !ok {
return nil, fmt.Errorf(`roles '%s' not defined in c.sg.config`, role)
}
@ -168,7 +167,7 @@ func (sg *SuperGraph) renderUserQuery(stmts []stmt) (string, error) {
return w.String(), nil
}
func (sg *SuperGraph) hasTablesWithConfig(qc *qcode.QCode, role *config.Role) bool {
func (sg *SuperGraph) hasTablesWithConfig(qc *qcode.QCode, role *Role) bool {
for _, id := range qc.Roots {
t, err := sg.schema.GetTable(qc.Selects[id].Name)
if err != nil {

288
core/config.go
View File

@ -2,164 +2,162 @@ package core
import (
"fmt"
"path"
"strings"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/core/internal/psql"
"github.com/dosco/super-graph/core/internal/qcode"
"github.com/spf13/viper"
)
func addTables(c *config.Config, di *psql.DBInfo) error {
for _, t := range c.Tables {
if len(t.Table) == 0 || len(t.Columns) == 0 {
continue
}
if err := addTable(di, t.Columns, t); err != nil {
return err
}
}
return nil
// Core struct contains core specific config value
type Config struct {
SecretKey string `mapstructure:"secret_key"`
UseAllowList bool `mapstructure:"use_allow_list"`
AllowListFile string `mapstructure:"allow_list_file"`
SetUserID bool `mapstructure:"set_user_id"`
Vars map[string]string `mapstructure:"variables"`
Blocklist []string
Tables []Table
RolesQuery string `mapstructure:"roles_query"`
Roles []Role
Inflections map[string]string
}
func addTable(di *psql.DBInfo, cols []config.Column, t config.Table) error {
bc, ok := di.GetColumn(t.Table, t.Name)
if !ok {
return fmt.Errorf(
"Column '%s' not found on table '%s'",
t.Name, t.Table)
}
if bc.Type != "json" && bc.Type != "jsonb" {
return fmt.Errorf(
"Column '%s' in table '%s' is of type '%s'. Only JSON or JSONB is valid",
t.Name, t.Table, bc.Type)
}
table := psql.DBTable{
Name: t.Name,
Key: strings.ToLower(t.Name),
Type: bc.Type,
}
columns := make([]psql.DBColumn, 0, len(cols))
for i := range cols {
c := cols[i]
columns = append(columns, psql.DBColumn{
Name: c.Name,
Key: strings.ToLower(c.Name),
Type: c.Type,
})
}
di.AddTable(table, columns)
bc.FKeyTable = t.Name
return nil
// Table struct defines a database table
type Table struct {
Name string
Table string
Blocklist []string
Remotes []Remote
Columns []Column
}
func addForeignKeys(c *config.Config, di *psql.DBInfo) error {
for _, t := range c.Tables {
for _, c := range t.Columns {
if len(c.ForeignKey) == 0 {
continue
}
if err := addForeignKey(di, c, t); err != nil {
return err
}
}
}
return nil
// Column struct defines a database column
type Column struct {
Name string
Type string
ForeignKey string `mapstructure:"related_to"`
}
func addForeignKey(di *psql.DBInfo, c config.Column, t config.Table) error {
c1, ok := di.GetColumn(t.Name, c.Name)
if !ok {
return fmt.Errorf(
"Invalid table '%s' or column '%s' in config.Config",
t.Name, c.Name)
}
v := strings.SplitN(c.ForeignKey, ".", 2)
if len(v) != 2 {
return fmt.Errorf(
"Invalid foreign_key in config.Config for table '%s' and column '%s",
t.Name, c.Name)
}
fkt, fkc := v[0], v[1]
c2, ok := di.GetColumn(fkt, fkc)
if !ok {
return fmt.Errorf(
"Invalid foreign_key in config.Config for table '%s' and column '%s",
t.Name, c.Name)
}
c1.FKeyTable = fkt
c1.FKeyColID = []int16{c2.ID}
return nil
// Remote struct defines a remote API endpoint
type Remote struct {
Name string
ID string
Path string
URL string
Debug bool
PassHeaders []string `mapstructure:"pass_headers"`
SetHeaders []struct {
Name string
Value string
} `mapstructure:"set_headers"`
}
func addRoles(c *config.Config, qc *qcode.Compiler) error {
for _, r := range c.Roles {
for _, t := range r.Tables {
if err := addRole(qc, r, t); err != nil {
return err
}
}
}
return nil
// Role struct contains role specific access control values for for all database tables
type Role struct {
Name string
Match string
Tables []RoleTable
tm map[string]*RoleTable
}
func addRole(qc *qcode.Compiler, r config.Role, t config.RoleTable) error {
blockFilter := []string{"false"}
// RoleTable struct contains role specific access control values for a database table
type RoleTable struct {
Name string
query := qcode.QueryConfig{
Limit: t.Query.Limit,
Filters: t.Query.Filters,
Columns: t.Query.Columns,
DisableFunctions: t.Query.DisableFunctions,
}
if t.Query.Block {
query.Filters = blockFilter
}
insert := qcode.InsertConfig{
Filters: t.Insert.Filters,
Columns: t.Insert.Columns,
Presets: t.Insert.Presets,
}
if t.Insert.Block {
insert.Filters = blockFilter
}
update := qcode.UpdateConfig{
Filters: t.Update.Filters,
Columns: t.Update.Columns,
Presets: t.Update.Presets,
}
if t.Update.Block {
update.Filters = blockFilter
}
delete := qcode.DeleteConfig{
Filters: t.Delete.Filters,
Columns: t.Delete.Columns,
}
if t.Delete.Block {
delete.Filters = blockFilter
}
return qc.AddRole(r.Name, t.Name, qcode.TRConfig{
Query: query,
Insert: insert,
Update: update,
Delete: delete,
})
Query Query
Insert Insert
Update Update
Delete Delete
}
// Query struct contains access control values for query operations
type Query struct {
Limit int
Filters []string
Columns []string
DisableFunctions bool `mapstructure:"disable_functions"`
Block bool
}
// Insert struct contains access control values for insert operations
type Insert struct {
Filters []string
Columns []string
Presets map[string]string
Block bool
}
// Insert struct contains access control values for update operations
type Update struct {
Filters []string
Columns []string
Presets map[string]string
Block bool
}
// Delete struct contains access control values for delete operations
type Delete struct {
Filters []string
Columns []string
Block bool
}
// ReadInConfig function reads in the config file for the environment specified in the GO_ENV
// environment variable. This is the best way to create a new Super Graph config.
func ReadInConfig(configFile string) (*Config, error) {
cpath := path.Dir(configFile)
cfile := path.Base(configFile)
vi := newViper(cpath, cfile)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
inherits := vi.GetString("inherits")
if len(inherits) != 0 {
vi = newViper(cpath, inherits)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
if vi.IsSet("inherits") {
return nil, fmt.Errorf("inherited config (%s) cannot itself inherit (%s)",
inherits,
vi.GetString("inherits"))
}
vi.SetConfigName(cfile)
if err := vi.MergeInConfig(); err != nil {
return nil, err
}
}
c := &Config{}
if err := vi.Unmarshal(&c); err != nil {
return nil, fmt.Errorf("failed to decode config, %v", err)
}
if len(c.AllowListFile) == 0 {
c.AllowListFile = path.Join(cpath, "allow.list")
}
return c, nil
}
func newViper(configPath, configFile string) *viper.Viper {
vi := viper.New()
vi.SetEnvPrefix("SG")
vi.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
vi.AutomaticEnv()
vi.SetConfigName(configFile)
vi.AddConfigPath(configPath)
vi.AddConfigPath("./config")
return vi
}

10
core/core.go
View File

@ -63,7 +63,7 @@ func (sg *SuperGraph) initCompilers() error {
return err
}
sg.schema, err = psql.NewDBSchema(di, sg.conf.GetDBTableAliases())
sg.schema, err = psql.NewDBSchema(di, getDBTableAliases(sg.conf))
if err != nil {
return err
}
@ -92,7 +92,7 @@ func (c *scontext) execQuery() ([]byte, error) {
// var st *stmt
var err error
if c.sg.conf.Production {
if c.sg.conf.UseAllowList {
data, _, err = c.resolvePreparedSQL()
if err != nil {
return nil, err
@ -115,7 +115,7 @@ func (c *scontext) resolvePreparedSQL() ([]byte, *stmt, error) {
var err error
mutation := (c.res.op == qcode.QTMutation)
useRoleQuery := c.sg.conf.IsABACEnabled() && mutation
useRoleQuery := c.sg.abacEnabled && mutation
useTx := useRoleQuery || c.sg.conf.SetUserID
if useTx {
@ -148,7 +148,7 @@ func (c *scontext) resolvePreparedSQL() ([]byte, *stmt, error) {
c.res.role = role
ps, ok := prepared[stmtHash(c.res.name, role)]
ps, ok := c.sg.prepared[stmtHash(c.res.name, role)]
if !ok {
return nil, nil, errNotFound
}
@ -198,7 +198,7 @@ func (c *scontext) resolveSQL() ([]byte, *stmt, error) {
var err error
mutation := (c.res.op == qcode.QTMutation)
useRoleQuery := c.sg.conf.IsABACEnabled() && mutation
useRoleQuery := c.sg.abacEnabled && mutation
useTx := useRoleQuery || c.sg.conf.SetUserID
if useTx {

284
core/init.go Normal file
View File

@ -0,0 +1,284 @@
package core
import (
"fmt"
"regexp"
"strings"
"unicode"
"github.com/dosco/super-graph/core/internal/psql"
"github.com/dosco/super-graph/core/internal/qcode"
"github.com/gobuffalo/flect"
)
func (sg *SuperGraph) initConfig() error {
c := sg.conf
for k, v := range c.Inflections {
flect.AddPlural(k, v)
}
// Variables: Validate and sanitize
for k, v := range c.Vars {
c.Vars[k] = sanitizeVars(v)
}
// Tables: Validate and sanitize
tm := make(map[string]struct{})
for i := 0; i < len(c.Tables); i++ {
t := &c.Tables[i]
t.Name = flect.Pluralize(strings.ToLower(t.Name))
if _, ok := tm[t.Name]; ok {
sg.conf.Tables = append(c.Tables[:i], c.Tables[i+1:]...)
sg.log.Printf("WRN duplicate table found: %s", t.Name)
}
tm[t.Name] = struct{}{}
t.Table = flect.Pluralize(strings.ToLower(t.Table))
}
sg.roles = make(map[string]*Role)
for i := 0; i < len(c.Roles); i++ {
role := &c.Roles[i]
role.Name = sanitize(role.Name)
if _, ok := sg.roles[role.Name]; ok {
c.Roles = append(c.Roles[:i], c.Roles[i+1:]...)
sg.log.Printf("WRN duplicate role found: %s", role.Name)
}
role.Match = sanitize(role.Match)
role.tm = make(map[string]*RoleTable)
for n, table := range role.Tables {
role.tm[table.Name] = &role.Tables[n]
}
sg.roles[role.Name] = role
}
// If user role not defined then create it
if _, ok := sg.roles["user"]; !ok {
ur := Role{
Name: "user",
tm: make(map[string]*RoleTable),
}
c.Roles = append(c.Roles, ur)
sg.roles["user"] = &ur
}
// Roles: validate and sanitize
c.RolesQuery = sanitize(c.RolesQuery)
if len(c.RolesQuery) == 0 {
sg.log.Printf("WRN roles_query not defined: attribute based access control disabled")
}
_, userExists := sg.roles["user"]
_, sg.anonExists = sg.roles["anon"]
sg.abacEnabled = userExists && len(c.RolesQuery) != 0
return nil
}
func getDBTableAliases(c *Config) map[string][]string {
m := make(map[string][]string, len(c.Tables))
for i := range c.Tables {
t := c.Tables[i]
if len(t.Table) == 0 || len(t.Columns) != 0 {
continue
}
m[t.Table] = append(m[t.Table], t.Name)
}
return m
}
func addTables(c *Config, di *psql.DBInfo) error {
for _, t := range c.Tables {
if len(t.Table) == 0 || len(t.Columns) == 0 {
continue
}
if err := addTable(di, t.Columns, t); err != nil {
return err
}
}
return nil
}
func addTable(di *psql.DBInfo, cols []Column, t Table) error {
bc, ok := di.GetColumn(t.Table, t.Name)
if !ok {
return fmt.Errorf(
"Column '%s' not found on table '%s'",
t.Name, t.Table)
}
if bc.Type != "json" && bc.Type != "jsonb" {
return fmt.Errorf(
"Column '%s' in table '%s' is of type '%s'. Only JSON or JSONB is valid",
t.Name, t.Table, bc.Type)
}
table := psql.DBTable{
Name: t.Name,
Key: strings.ToLower(t.Name),
Type: bc.Type,
}
columns := make([]psql.DBColumn, 0, len(cols))
for i := range cols {
c := cols[i]
columns = append(columns, psql.DBColumn{
Name: c.Name,
Key: strings.ToLower(c.Name),
Type: c.Type,
})
}
di.AddTable(table, columns)
bc.FKeyTable = t.Name
return nil
}
func addForeignKeys(c *Config, di *psql.DBInfo) error {
for _, t := range c.Tables {
for _, c := range t.Columns {
if len(c.ForeignKey) == 0 {
continue
}
if err := addForeignKey(di, c, t); err != nil {
return err
}
}
}
return nil
}
func addForeignKey(di *psql.DBInfo, c Column, t Table) error {
c1, ok := di.GetColumn(t.Name, c.Name)
if !ok {
return fmt.Errorf(
"Invalid table '%s' or column '%s' in Config",
t.Name, c.Name)
}
v := strings.SplitN(c.ForeignKey, ".", 2)
if len(v) != 2 {
return fmt.Errorf(
"Invalid foreign_key in Config for table '%s' and column '%s",
t.Name, c.Name)
}
fkt, fkc := v[0], v[1]
c2, ok := di.GetColumn(fkt, fkc)
if !ok {
return fmt.Errorf(
"Invalid foreign_key in Config for table '%s' and column '%s",
t.Name, c.Name)
}
c1.FKeyTable = fkt
c1.FKeyColID = []int16{c2.ID}
return nil
}
func addRoles(c *Config, qc *qcode.Compiler) error {
for _, r := range c.Roles {
for _, t := range r.Tables {
if err := addRole(qc, r, t); err != nil {
return err
}
}
}
return nil
}
func addRole(qc *qcode.Compiler, r Role, t RoleTable) error {
blockFilter := []string{"false"}
query := qcode.QueryConfig{
Limit: t.Query.Limit,
Filters: t.Query.Filters,
Columns: t.Query.Columns,
DisableFunctions: t.Query.DisableFunctions,
}
if t.Query.Block {
query.Filters = blockFilter
}
insert := qcode.InsertConfig{
Filters: t.Insert.Filters,
Columns: t.Insert.Columns,
Presets: t.Insert.Presets,
}
if t.Insert.Block {
insert.Filters = blockFilter
}
update := qcode.UpdateConfig{
Filters: t.Update.Filters,
Columns: t.Update.Columns,
Presets: t.Update.Presets,
}
if t.Update.Block {
update.Filters = blockFilter
}
delete := qcode.DeleteConfig{
Filters: t.Delete.Filters,
Columns: t.Delete.Columns,
}
if t.Delete.Block {
delete.Filters = blockFilter
}
return qc.AddRole(r.Name, t.Name, qcode.TRConfig{
Query: query,
Insert: insert,
Update: update,
Delete: delete,
})
}
func (r *Role) GetTable(name string) *RoleTable {
return r.tm[name]
}
func sanitize(value string) string {
return strings.ToLower(strings.TrimSpace(value))
}
var (
varRe1 = regexp.MustCompile(`(?mi)\$([a-zA-Z0-9_.]+)`)
varRe2 = regexp.MustCompile(`\{\{([a-zA-Z0-9_.]+)\}\}`)
)
func sanitizeVars(s string) string {
s0 := varRe1.ReplaceAllString(s, `{{$1}}`)
s1 := strings.Map(func(r rune) rune {
if unicode.IsSpace(r) {
return ' '
}
return r
}, s0)
return varRe2.ReplaceAllStringFunc(s1, func(m string) string {
return strings.ToLower(m)
})
}

11
core/internal/allow/allow.go
View File

@ -7,7 +7,6 @@ import (
"fmt"
"io/ioutil"
"os"
"path"
"sort"
"strings"
)
@ -35,11 +34,11 @@ type Config struct {
Persist bool
}
func New(cpath string, conf Config) (*List, error) {
func New(filename string, conf Config) (*List, error) {
al := List{}
if len(cpath) != 0 {
fp := path.Join(cpath, "allow.list")
if len(filename) != 0 {
fp := filename
if _, err := os.Stat(fp); err == nil {
al.filepath = fp
@ -73,10 +72,10 @@ func New(cpath string, conf Config) (*List, error) {
return nil, errors.New("allow.list not found")
}
if len(cpath) == 0 {
if len(filename) == 0 {
al.filepath = "./config/allow.list"
} else {
al.filepath = path.Join(cpath, "allow.list")
al.filepath = filename
}
}

21
core/prepare.go
View File

@ -23,17 +23,13 @@ type preparedItem struct {
roleArg bool
}
var (
prepared map[string]*preparedItem
)
func (sg *SuperGraph) initPrepared() error {
ct := context.Background()
if sg.allowList.IsPersist() {
return nil
}
prepared = make(map[string]*preparedItem)
sg.prepared = make(map[string]*preparedItem)
tx, err := sg.db.BeginTx(ct, nil)
if err != nil {
@ -100,7 +96,7 @@ func (sg *SuperGraph) prepareStmt(item allow.Item) error {
var stmts1 []stmt
var err error
if sg.conf.IsABACEnabled() {
if sg.abacEnabled {
stmts1, err = sg.buildMultiStmt(qb, vars)
} else {
stmts1, err = sg.buildRoleStmt(qb, vars, "user")
@ -117,7 +113,7 @@ func (sg *SuperGraph) prepareStmt(item allow.Item) error {
return err
}
if sg.conf.IsAnonRoleDefined() {
if sg.anonExists {
// logger.Debug().Msgf("Prepared statement 'query %s' (anon)", item.Name)
stmts2, err := sg.buildRoleStmt(qb, vars, "anon")
@ -184,7 +180,7 @@ func (sg *SuperGraph) prepare(ct context.Context, tx *sql.Tx, st []stmt, key str
func (sg *SuperGraph) prepareRoleStmt(tx *sql.Tx) error {
var err error
if !sg.conf.IsABACEnabled() {
if !sg.abacEnabled {
return nil
}
@ -255,11 +251,16 @@ func (sg *SuperGraph) initAllowList() error {
var ac allow.Config
var err error
if !sg.conf.Production {
if len(sg.conf.AllowListFile) == 0 {
sg.conf.UseAllowList = false
sg.log.Printf("WRN allow list disabled no file specified")
}
if sg.conf.UseAllowList {
ac = allow.Config{CreateIfNotExists: true, Persist: true}
}
sg.allowList, err = allow.New(sg.conf.ConfigPathUsed(), ac)
sg.allowList, err = allow.New(sg.conf.AllowListFile, ac)
if err != nil {
return fmt.Errorf("failed to initialize allow list: %w", err)
}

5
core/resolve.go
View File

@ -6,7 +6,6 @@ import (
"net/http"
"strings"
"github.com/dosco/super-graph/config"
"github.com/dosco/super-graph/jsn"
)
@ -36,7 +35,7 @@ type resolvFn struct {
// }
// }
// func initRemotes(t config.Table) error {
// func initRemotes(t Table) error {
// h := xxhash.New()
// for _, r := range t.Remotes {
@ -92,7 +91,7 @@ type resolvFn struct {
// return nil
// }
func buildFn(r config.Remote) func(http.Header, []byte) ([]byte, error) {
func buildFn(r Remote) func(http.Header, []byte) ([]byte, error) {
reqURL := strings.Replace(r.URL, "$id", "%s", 1)
client := &http.Client{}