A lot of delete and failed scream tests.

cmd/rpdata-server/main.go

@@ -10,10 +10,8 @@ import (
 
 	"git.aiterp.net/rpdata/api/database"
 	"git.aiterp.net/rpdata/api/graph2"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/internal/config"
 	"git.aiterp.net/rpdata/api/internal/instrumentation"
-	"git.aiterp.net/rpdata/api/internal/store"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/services"
 	"github.com/99designs/gqlgen/handler"
@@ -21,11 +19,6 @@ import (
 )
 
 func main() {
-	err := store.Init()
-	if err != nil {
-		log.Fatalln("Failed to init store:", err)
-	}
-
 	db, err := database.Init(config.Global().Database)
 	if err != nil {
 		log.Fatalln("Failed to init db:", err)
@@ -108,7 +101,7 @@ func queryHandler(services *services.Bundle) http.HandlerFunc {
 			w.Header().Add("X-Emerald-Herald", "Lest this land swallow you whole... As it has so many others.")
 		}
 
-		r = auth.RequestWithToken(r)
+		r = services.Auth.RequestWithToken(r)
 
 		handler.ServeHTTP(w, r)
 	}

database/database.go

@@ -22,6 +22,8 @@ type Database interface {
 	Stories() repositories.StoryRepository
 	Chapters() repositories.ChapterRepository
 	Comments() repositories.CommentRepository
+	Keys() repositories.KeyRepository
+	Users() repositories.UserRepository
 
 	Close(ctx context.Context) error
 }

database/mongodb/db.go

@@ -24,6 +24,8 @@ type MongoDB struct {
 	stories    repositories.StoryRepository
 	chapters   repositories.ChapterRepository
 	comments   repositories.CommentRepository
+	keys       repositories.KeyRepository
+	users      repositories.UserRepository
 }
 
 func (m *MongoDB) Changes() repositories.ChangeRepository {
@@ -66,6 +68,14 @@ func (m *MongoDB) Comments() repositories.CommentRepository {
 	return m.comments
 }
 
+func (m *MongoDB) Keys() repositories.KeyRepository {
+	return m.keys
+}
+
+func (m *MongoDB) Users() repositories.UserRepository {
+	return m.users
+}
+
 func (m *MongoDB) Close(ctx context.Context) error {
 	m.session.Close()
 	return nil
@@ -147,6 +157,18 @@ func Init(cfg config.Database) (*MongoDB, error) {
 		return nil, err
 	}
 
+	keys, err := newKeyRepository(db)
+	if err != nil {
+		session.Close()
+		return nil, err
+	}
+
+	users, err := newUserRepository(db)
+	if err != nil {
+		session.Close()
+		return nil, err
+	}
+
 	go posts.fixPositions(logs)
 
 	return &MongoDB{
@@ -162,6 +184,8 @@ func Init(cfg config.Database) (*MongoDB, error) {
 		logs:       logs,
 		posts:      posts,
 		files:      files,
+		keys:       keys,
+		users:      users,
 	}, nil
 }
 

database/mongodb/keys.go

@@ -0,0 +1,69 @@
+package mongodb
+
+import (
+	"context"
+	"git.aiterp.net/rpdata/api/internal/generate"
+	"git.aiterp.net/rpdata/api/models"
+	"git.aiterp.net/rpdata/api/repositories"
+	"github.com/globalsign/mgo"
+	"github.com/globalsign/mgo/bson"
+)
+
+type keyRepository struct {
+	keys *mgo.Collection
+}
+
+func newKeyRepository(db *mgo.Database) (repositories.KeyRepository, error) {
+	collection := db.C("auth.keys")
+
+	err := collection.EnsureIndexKey("user")
+	if err != nil {
+		return nil, err
+	}
+
+	return &keyRepository{keys: collection}, nil
+}
+
+func (r *keyRepository) Find(ctx context.Context, id string) (*models.Key, error) {
+	key := models.Key{}
+	err := r.keys.FindId(id).One(&key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &key, err
+}
+
+func (r *keyRepository) List(ctx context.Context, filter models.KeyFilter) ([]*models.Key, error) {
+	query := bson.M{}
+	if filter.UserID != nil {
+		query["user"] = *filter.UserID
+	}
+
+	keys := make([]*models.Key, 0, 4)
+	err := r.keys.Find(query).All(&keys)
+	if err != nil {
+		if err == mgo.ErrNotFound {
+			return nil, nil
+		}
+
+		return nil, err
+	}
+
+	return keys, nil
+}
+
+func (r *keyRepository) Insert(ctx context.Context, key models.Key) (*models.Key, error) {
+	key.ID = generate.KeyID()
+
+	err := r.keys.Insert(&key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &key, nil
+}
+
+func (r *keyRepository) Delete(ctx context.Context, key models.Key) error {
+	return r.keys.RemoveId(key.ID)
+}

database/mongodb/users.go

@@ -0,0 +1,41 @@
+package mongodb
+
+import (
+	"context"
+	"git.aiterp.net/rpdata/api/models"
+	"git.aiterp.net/rpdata/api/repositories"
+	"github.com/globalsign/mgo"
+)
+
+type userRepository struct {
+	users *mgo.Collection
+}
+
+func newUserRepository(db *mgo.Database) (repositories.UserRepository, error) {
+	collection := db.C("core.users")
+
+	return &userRepository{users: collection}, nil
+}
+
+func (r *userRepository) Find(ctx context.Context, id string) (*models.User, error) {
+	user := new(models.User)
+	err := r.users.FindId(id).One(user)
+	if err != nil {
+		if err == mgo.ErrNotFound {
+			return nil, repositories.ErrNotFound
+		}
+
+		return nil, err
+	}
+
+	return user, nil
+}
+
+func (r *userRepository) Insert(ctx context.Context, user models.User) (*models.User, error) {
+	err := r.users.Insert(user)
+	if err != nil {
+		return nil, err
+	}
+
+	return &user, nil
+}

graph2/complexity.go

@@ -3,7 +3,6 @@ package graph2
 import (
 	"git.aiterp.net/rpdata/api/graph2/graphcore"
 	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/files"
 )
 
 func complexity() (cr graphcore.ComplexityRoot) {
@@ -67,7 +66,7 @@ func complexity() (cr graphcore.ComplexityRoot) {
 	cr.Query.File = func(childComplexity int, id string) int {
 		return childComplexity + findComplexity
 	}
-	cr.Query.Files = func(childComplexity int, filter *files.Filter) int {
+	cr.Query.Files = func(childComplexity int, filter *models.FileFilter) int {
 		return childComplexity + listComplexity
 	}
 	cr.Query.Changes = func(childComplexity int, filter *models.ChangeFilter) int {

graph2/gqlgen.yml

@@ -52,7 +52,7 @@ models:
   File:
     model: git.aiterp.net/rpdata/api/models.File
   FilesFilter:
-    model: git.aiterp.net/rpdata/api/models/files.Filter
+    model: git.aiterp.net/rpdata/api/models.FileFilter
   Change:
     model: git.aiterp.net/rpdata/api/models.Change
   ChangeModel:

graph2/graph.go

@@ -55,5 +55,5 @@ func (r *rootResolver) Change() graphcore.ChangeResolver {
 }
 
 func (r *rootResolver) Token() graphcore.TokenResolver {
-	return &types.TokenResolver
+	return types.TokenResolver(r.s)
 }

graph2/resolvers/file.go

@@ -2,48 +2,21 @@ package resolvers
 
 import (
 	"context"
-
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/files"
 )
 
 func (r *queryResolver) File(ctx context.Context, id string) (*models.File, error) {
-	file, err := files.FindID(id)
-	if err != nil {
-		return nil, err
-	}
-
-	return &file, nil
+	return r.s.Files.Find(ctx, id)
 }
 
-func (r *queryResolver) Files(ctx context.Context, filter *files.Filter) ([]*models.File, error) {
-	token := auth.TokenFromContext(ctx)
-
+func (r *queryResolver) Files(ctx context.Context, filter *models.FileFilter) ([]*models.File, error) {
 	if filter == nil {
-		filter = &files.Filter{}
-	}
+		public := true
 
-	// Only allow users to view public files that are not their own.
-	if token != nil {
-		if filter.Public == nil || *filter.Public == false {
-			filter.Author = &token.UserID
+		filter = &models.FileFilter{
+			Public: &public,
 		}
-	} else {
-		filter.Public = &trueValue
 	}
 
-	files, err := files.List(filter)
-	if err != nil {
-		return nil, err
+	return r.s.Files.List(ctx, *filter)
 }
-
-	files2 := make([]*models.File, len(files))
-	for i := range files {
-		files2[i] = &files[i]
-	}
-
-	return files2, nil
-}
-
-var trueValue = true

graph2/resolvers/token.go

@@ -4,14 +4,13 @@ import (
 	"context"
 	"errors"
 
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
 )
 
 func (r *queryResolver) Token(ctx context.Context) (*models.Token, error) {
-	token := auth.TokenFromContext(ctx)
+	token := r.s.Auth.TokenFromContext(ctx)
 	if !token.Authenticated() {
-		return nil, errors.New("No (valid) token")
+		return nil, errors.New("no (valid) token")
 	}
 
 	return token, nil

graph2/schema/types/File.gql

@@ -35,7 +35,7 @@ input FilesFilter {
   public: Boolean
 
   # Limit the MIME types of the files.
-  mimeType: [String!]
+  mimeTypes: [String!]
 }
 
 # Input for editFile mutation

graph2/types/token.go

@@ -2,21 +2,20 @@ package types
 
 import (
 	"context"
+	"git.aiterp.net/rpdata/api/services"
 
 	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/users"
 )
 
-type tokenResolver struct{}
-
-func (r *tokenResolver) User(ctx context.Context, token *models.Token) (*models.User, error) {
-	user, err := users.Find(token.UserID)
-	if err != nil {
-		return nil, err
+type tokenResolver struct {
+	auth *services.AuthService
 }
 
-	return &user, nil
+func (r *tokenResolver) User(ctx context.Context, token *models.Token) (*models.User, error) {
+	return r.auth.FindUser(ctx, token.UserID)
 }
 
 // TokenResolver is a resolver
-var TokenResolver tokenResolver
+func TokenResolver(s *services.Bundle) *tokenResolver {
+	return &tokenResolver{auth: s.Auth}
+}

internal/auth/key.go

@@ -1,109 +0,0 @@
-package auth
-
-import (
-	"crypto/rand"
-	"encoding/binary"
-	"errors"
-	"strconv"
-
-	"git.aiterp.net/rpdata/api/internal/store"
-	"github.com/globalsign/mgo"
-)
-
-var keyCollection *mgo.Collection
-
-// A Key contains a JWT secret and the limitations of it. There are two types of
-// keys, single-user keys and wildcard keys. The former is used to authenticate
-// a single user (e.g. the logbot) through an API while the latter is only for
-// services that can be trusted to perform its own authentication (a frontend).
-type Key struct {
-	ID     string `bson:"_id"`
-	Name   string `bson:"name"`
-	User   string `bson:"user"`
-	Secret string `bson:"secret"`
-}
-
-// ValidForUser returns true if the key's user is the same as
-// the user, or it's a wildcard key.
-func (key *Key) ValidForUser(user string) bool {
-	return key.User == user || key.User == "*"
-}
-
-// FindKey finds a key by kid (key ID)
-func FindKey(kid string) (Key, error) {
-	key := Key{}
-	err := keyCollection.FindId(kid).One(&key)
-
-	return key, err
-}
-
-// NewKey generates a new key for the user and name. This
-// does not allow generating wildcard keys, they have to be
-// manually inserted into the DB.
-func NewKey(name, user string) (*Key, error) {
-	if user == "*" {
-		return nil, errors.New("auth: wildcard keys not allowed")
-	}
-
-	secret, err := makeKeySecret()
-	if err != nil {
-		return nil, err
-	}
-
-	key := &Key{
-		ID:     makeKeyID(),
-		Name:   name,
-		User:   user,
-		Secret: secret,
-	}
-
-	if err := keyCollection.Insert(key); err != nil {
-		return nil, err
-	}
-
-	return key, nil
-}
-
-func init() {
-	store.HandleInit(func(db *mgo.Database) {
-		keyCollection = db.C("auth.keys")
-
-		keyCollection.EnsureIndexKey("user")
-	})
-}
-
-// makeKeyID makes a random story ID that's 16 characters long
-func makeKeyID() string {
-	result := "K"
-	offset := 0
-	data := make([]byte, 32)
-
-	rand.Read(data)
-	for len(result) < 16 {
-		result += strconv.FormatUint(binary.LittleEndian.Uint64(data[offset:]), 36)
-		offset += 8
-
-		if offset >= 32 {
-			rand.Read(data)
-			offset = 0
-		}
-	}
-
-	return result[:16]
-}
-
-func makeKeySecret() (string, error) {
-	data := make([]byte, 64)
-	alphabet := "0123456789abcdefghjiklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSUTVWXYZ-_"
-
-	_, err := rand.Read(data)
-	if err != nil {
-		return "", err
-	}
-
-	for i := range data {
-		data[i] = alphabet[data[i]%64]
-	}
-
-	return string(data), nil
-}

internal/auth/permissions.go

@@ -1,33 +0,0 @@
-package auth
-
-// AllPermissions gets all permissions and their purpose
-func AllPermissions() map[string]string {
-	return map[string]string{
-		"member":           "Can add/edit/remove own content",
-		"user.edit":        "Can edit non-owned users",
-		"character.add":    "Can add non-owned characters",
-		"character.edit":   "Can edit non-owned characters",
-		"character.remove": "Can remove non-owned characters",
-		"channel.add":      "Can add channels",
-		"channel.edit":     "Can edit channels",
-		"channel.remove":   "Can remove channels",
-		"comment.edit":     "Can edit non-owned comments",
-		"comment.remove":   "Can remove non-owned comments",
-		"log.add":          "Can add logs",
-		"log.edit":         "Can edit logs",
-		"log.remove":       "Can remove logs",
-		"post.add":         "Can add posts",
-		"post.edit":        "Can edit posts",
-		"post.move":        "Can move posts",
-		"post.remove":      "Can remove posts",
-		"story.add":        "Can add non-owned stories",
-		"story.edit":       "Can edit non-owned stories",
-		"story.remove":     "Can remove non-owned stories",
-		"story.unlisted":   "Can view non-owned unlisted stories",
-		"file.upload":      "Can upload files",
-		"file.list":        "Can list non-owned files",
-		"file.view":        "Can view non-owned files",
-		"file.edit":        "Can edit non-owned files",
-		"file.remove":      "Can remove non-owned files",
-	}
-}

internal/auth/permitted.go

@@ -1,60 +0,0 @@
-package auth
-
-import (
-	"context"
-	"log"
-	"reflect"
-
-	"git.aiterp.net/rpdata/api/models"
-)
-
-// CheckPermission does some magic.
-func CheckPermission(ctx context.Context, op string, obj interface{}) error {
-	token := TokenFromContext(ctx)
-	if token == nil {
-		return ErrUnauthenticated
-	}
-
-	if v := reflect.ValueOf(obj); v.Kind() == reflect.Struct {
-		ptr := reflect.PtrTo(v.Type())
-		ptrValue := reflect.New(ptr.Elem())
-		ptrValue.Elem().Set(v)
-
-		obj = ptrValue.Interface()
-	}
-
-	var authorized = false
-
-	switch v := obj.(type) {
-	case *models.Channel:
-		authorized = token.Permitted("channel." + op)
-	case *models.Character:
-		authorized = token.PermittedUser(v.Author, "member", "character."+op)
-	case *models.Chapter:
-		authorized = token.PermittedUser(v.Author, "member", "chapter."+op)
-	case *models.Comment:
-		if op == "add" && v.Author != token.UserID {
-			return ErrInvalidOperation
-		}
-
-		authorized = token.PermittedUser(v.Author, "member", "comment."+op)
-	case *models.File:
-		authorized = token.PermittedUser(v.Author, "member", "file."+op)
-	case *models.Log:
-		authorized = token.Permitted("log." + op)
-	case *models.Post:
-		authorized = token.Permitted("post." + op)
-	case *models.Story:
-		authorized = token.PermittedUser(v.Author, "member", "story."+op)
-	case *models.User:
-		authorized = token.Permitted("user." + op)
-	default:
-		log.Panicf("Invalid model %T: %#+v", v, v)
-	}
-
-	if !authorized {
-		return ErrUnauthorized
-	}
-
-	return nil
-}

internal/auth/token.go

@@ -1,167 +0,0 @@
-package auth
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"net/http"
-	"strings"
-	"time"
-
-	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/users"
-	jwt "github.com/dgrijalva/jwt-go"
-)
-
-var contextKey = &struct{ data string }{"Token Context Key"}
-
-// ErrNoKid is returned if the key id is missing from the jwt token header,
-var ErrNoKid = errors.New("Missing \"kid\" field in token")
-
-// ErrKeyNotFound is returned if the key wasn't found.
-var ErrKeyNotFound = errors.New("Key not found")
-
-// ErrInvalidClaims is returned by parseClaims if the claims cannot be parsed
-var ErrInvalidClaims = errors.New("Invalid claims in token")
-
-// ErrExpired is returned by parseClaims if the expiry date is in the past
-var ErrExpired = errors.New("Claims have already expired")
-
-// ErrWrongUser is returned by CheckToken if the key cannot represent this user
-var ErrWrongUser = errors.New("Key is not valid for this user")
-
-// ErrWrongPermissions is returned by CheckToken if the key cannot claim one or more of its permissions
-var ErrWrongPermissions = errors.New("User does not have these permissions")
-
-// ErrDeletedUser is returned by CheckToken if the key can represent this user, but the user doesn't exist.
-var ErrDeletedUser = errors.New("User was not found")
-
-// ErrUnauthenticated is returned when the user is not authenticated
-var ErrUnauthenticated = errors.New("You are not authenticated")
-
-// ErrUnauthorized is returned when the user doesn't have access to this resource
-var ErrUnauthorized = errors.New("You are not authorized to perform this action")
-
-// ErrInvalidOperation is returned for operations that should never be allowed
-var ErrInvalidOperation = errors.New("No permission exists for this operation")
-
-// TokenFromContext gets the token from context.
-func TokenFromContext(ctx context.Context) *models.Token {
-	token, ok := ctx.Value(contextKey).(*models.Token)
-	if !ok {
-		return nil
-	}
-
-	return token
-}
-
-// RequestWithToken either returns the request, or the request with a new context that
-// has the token.
-func RequestWithToken(r *http.Request) *http.Request {
-	header := r.Header.Get("Authorization")
-	if header == "" {
-		return r
-	}
-
-	if !strings.HasPrefix(header, "Bearer ") {
-		return r
-	}
-
-	token, err := CheckToken(header[7:])
-	if err != nil {
-		return r
-	}
-
-	return r.WithContext(context.WithValue(r.Context(), contextKey, &token))
-}
-
-// CheckToken reads the token string and returns a token if everything is kosher.
-func CheckToken(tokenString string) (token models.Token, err error) {
-	var key Key
-
-	jwtToken, err := jwt.Parse(tokenString, func(jwtToken *jwt.Token) (interface{}, error) {
-		if _, ok := jwtToken.Method.(*jwt.SigningMethodHMAC); !ok {
-			return nil, fmt.Errorf("Unexpected signing method: %v", jwtToken.Header["alg"])
-		}
-
-		kid, ok := jwtToken.Header["kid"].(string)
-		if !ok {
-			return nil, ErrNoKid
-		}
-
-		key, err = FindKey(kid)
-		if err != nil || key.ID == "" {
-			return nil, ErrKeyNotFound
-		}
-
-		return []byte(key.Secret), nil
-	})
-	if err != nil {
-		return models.Token{}, err
-	}
-
-	userid, permissions, err := parseClaims(jwtToken.Claims)
-	if err != nil {
-		return models.Token{}, err
-	}
-
-	if !key.ValidForUser(userid) {
-		return models.Token{}, ErrWrongUser
-	}
-
-	user, err := users.Ensure(userid)
-	if err != nil {
-		return models.Token{}, ErrDeletedUser
-	}
-
-	acceptedPermissions := make([]string, 0, len(user.Permissions))
-	if len(permissions) > 0 {
-		for _, permission := range permissions {
-			found := false
-
-			for _, userPermission := range user.Permissions {
-				if permission == userPermission {
-					found = true
-					break
-				}
-			}
-
-			if found {
-				acceptedPermissions = append(acceptedPermissions, permission)
-			}
-		}
-	} else {
-		acceptedPermissions = append(acceptedPermissions, user.Permissions...)
-	}
-
-	return models.Token{UserID: user.ID, Permissions: acceptedPermissions}, nil
-}
-
-func parseClaims(jwtClaims jwt.Claims) (userid string, permissions []string, err error) {
-	mapClaims, ok := jwtClaims.(jwt.MapClaims)
-	if !ok {
-		return "", nil, ErrInvalidClaims
-	}
-
-	if !mapClaims.VerifyExpiresAt(time.Now().Unix(), true) {
-		return "", nil, ErrExpired
-	}
-
-	if userid, ok = mapClaims["user"].(string); !ok {
-		return "", nil, ErrInvalidClaims
-	}
-
-	if claimedPermissions, ok := mapClaims["permissions"].([]interface{}); ok {
-		for _, permission := range claimedPermissions {
-			if permission, ok := permission.(string); ok {
-				permissions = append(permissions, permission)
-			}
-		}
-
-		if len(permissions) == 0 {
-			return "", nil, ErrInvalidClaims
-		}
-	}
-
-	return
-}

internal/counter/counter.go

@@ -1,55 +0,0 @@
-package counter
-
-import (
-	"git.aiterp.net/rpdata/api/internal/store"
-	"github.com/globalsign/mgo"
-	"github.com/globalsign/mgo/bson"
-)
-
-var collection *mgo.Collection
-
-type counter struct {
-	ID    string `bson:"_id"`
-	Value int    `bson:"value"`
-}
-
-// Next gets the next value of a counter, or an error if it hasn't.
-func Next(category, name string) (int, error) {
-	id := category + "." + name
-	doc := counter{}
-
-	_, err := collection.Find(bson.M{"_id": id}).Apply(mgo.Change{
-		Update:    bson.M{"$inc": bson.M{"value": 1}},
-		Upsert:    true,
-		ReturnNew: true,
-	}, &doc)
-	if err != nil {
-		return -1, err
-	}
-
-	return doc.Value, nil
-}
-
-// NextMany gets the next value of a counter, or an error if it hasn't, and increments by a specified value.
-// Any value `returned` to `returned+(increment-1)` should then be safe to use.
-func NextMany(category, name string, increment int) (int, error) {
-	id := category + "." + name
-	doc := counter{}
-
-	_, err := collection.Find(bson.M{"_id": id}).Apply(mgo.Change{
-		Update:    bson.M{"$inc": bson.M{"value": increment}},
-		Upsert:    true,
-		ReturnNew: true,
-	}, &doc)
-	if err != nil {
-		return -1, err
-	}
-
-	return doc.Value, nil
-}
-
-func init() {
-	store.HandleInit(func(db *mgo.Database) {
-		collection = db.C("core.counters")
-	})
-}

internal/generate/id.go

@@ -62,3 +62,7 @@ func CommentID() string {
 func FileID() string {
 	return ID("F", 16)
 }
+
+func KeyID() string {
+	return ID("K", 32)
+}

internal/loader/channel.go

@@ -1,78 +0,0 @@
-package loader
-
-import (
-	"context"
-	"errors"
-	"strings"
-
-	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/channels"
-	"github.com/graph-gophers/dataloader"
-)
-
-// Channel gets a character by key
-func (loader *Loader) Channel(key, value string) (*models.Channel, error) {
-	if !strings.HasPrefix(key, "Channel.") {
-		key = "Channel." + key
-	}
-
-	if loader.loaders[key] == nil {
-		return nil, errors.New("unsupported key")
-	}
-
-	loader.loadPrimed(key)
-
-	thunk := loader.loaders[key].Load(loader.ctx, dataloader.StringKey(value))
-	res, err := thunk()
-	if err != nil {
-		return nil, err
-	}
-
-	channel, ok := res.(models.Channel)
-	if !ok {
-		return nil, errors.New("incorrect type")
-	}
-
-	return &channel, nil
-}
-
-// PrimeChannels primes channels for loading along with the first one.
-func (loader *Loader) PrimeChannels(key string, values ...string) {
-	if !strings.HasPrefix(key, "Channel.") {
-		key = "Channel." + key
-	}
-
-	loader.prime(key, values)
-}
-
-func channelNameBatch(ctx context.Context, keys dataloader.Keys) []*dataloader.Result {
-	var results []*dataloader.Result
-	names := keys.Keys()
-
-	channels, err := channels.ListNames(names...)
-	if err != nil {
-		for range names {
-			results = append(results, &dataloader.Result{Data: models.Channel{}, Error: err})
-		}
-
-		return results
-	}
-
-	for _, name := range names {
-		found := false
-		for i := range channels {
-			if channels[i].Name == name {
-				results = append(results, &dataloader.Result{Data: channels[i]})
-
-				found = true
-				break
-			}
-		}
-
-		if !found {
-			results = append(results, &dataloader.Result{Data: models.Channel{}, Error: err})
-		}
-	}
-
-	return results
-}

internal/loader/character.go

@@ -1,146 +0,0 @@
-package loader
-
-import (
-	"context"
-	"errors"
-	"strings"
-
-	"git.aiterp.net/rpdata/api/models"
-	"git.aiterp.net/rpdata/api/models/characters"
-	"github.com/graph-gophers/dataloader"
-)
-
-// Character gets a character by key
-func (loader *Loader) Character(key, value string) (models.Character, error) {
-	if !strings.HasPrefix(key, "Character.") {
-		key = "Character." + key
-	}
-
-	loader.loadPrimed(key)
-
-	if loader.loaders[key] == nil {
-		return models.Character{}, errors.New("unsupported key")
-	}
-
-	thunk := loader.loaders[key].Load(loader.ctx, dataloader.StringKey(value))
-	res, err := thunk()
-	if err != nil {
-		return models.Character{}, err
-	}
-
-	char, ok := res.(models.Character)
-	if !ok {
-		return models.Character{}, errors.New("incorrect type")
-	}
-
-	return char, nil
-}
-
-// Characters gets characters by key
-func (loader *Loader) Characters(key string, values ...string) ([]models.Character, error) {
-	if !strings.HasPrefix(key, "Character.") {
-		key = "Character." + key
-	}
-
-	if loader.loaders[key] == nil {
-		return nil, errors.New("unsupported key")
-	}
-
-	loader.loadPrimed(key)
-
-	thunk := loader.loaders[key].LoadMany(loader.ctx, dataloader.NewKeysFromStrings(values))
-	res, errs := thunk()
-	for _, err := range errs {
-		if err != nil && err != ErrNotFound {
-			return nil, err
-		}
-	}
-
-	chars := make([]models.Character, len(res))
-
-	for i := range res {
-		char, ok := res[i].(models.Character)
-		if !ok {
-			return nil, errors.New("incorrect type")
-		}
-
-		chars[i] = char
-	}
-
-	return chars, nil
-}
-
-// PrimeCharacters adds a set of characters to be loaded if, and only if, characters
-// are going to be loaded. This will fill up the cache and speed up subsequent dataloader
-// runs.
-func (loader *Loader) PrimeCharacters(key string, values ...string) {
-	if !strings.HasPrefix(key, "Character.") {
-		key = "Character." + key
-	}
-
-	loader.prime(key, values)
-}
-
-func characterIDBatch(ctx context.Context, keys dataloader.Keys) []*dataloader.Result {
-	results := make([]*dataloader.Result, 0, len(keys))
-	ids := keys.Keys()
-
-	characters, err := characters.List(&characters.Filter{IDs: ids})
-	if err != nil {
-		for range ids {
-			results = append(results, &dataloader.Result{Error: err})
-		}
-
-		return results
-	}
-
-	for _, id := range ids {
-		found := false
-
-		for _, character := range characters {
-			if character.ID == id {
-				results = append(results, &dataloader.Result{Data: character})
-				found = true
-				break
-			}
-		}
-
-		if !found {
-			results = append(results, &dataloader.Result{Data: models.Character{}, Error: ErrNotFound})
-		}
-	}
-
-	return results
-}
-
-func characterNickBatch(ctx context.Context, keys dataloader.Keys) []*dataloader.Result {
-	var results []*dataloader.Result
-	nicks := keys.Keys()
-
-	characters, err := characters.List(&characters.Filter{Nicks: nicks})
-	if err != nil {
-		for range nicks {
-			results = append(results, &dataloader.Result{Error: err})
-		}
-
-		return results
-	}
-
-	for _, nick := range nicks {
-		found := false
-		for i := range characters {
-			if characters[i].HasNick(nick) {
-				results = append(results, &dataloader.Result{Data: characters[i]})
-
-				found = true
-				break
-			}
-		}
-
-		if !found {
-			results = append(results, &dataloader.Result{Data: models.Character{}, Error: err})
-		}
-	}
-
-	return results
-}

internal/loader/loader.go

@@ -1,80 +0,0 @@
-package loader
-
-import (
-	"context"
-	"errors"
-	"sync"
-	"time"
-
-	"github.com/graph-gophers/dataloader"
-)
-
-var contextKey struct{}
-
-// ErrNotFound is returned in batches when one or more things weren't found. Usually harmless.
-var ErrNotFound = errors.New("not found")
-
-// A Loader is a collection of data loaders and functions to act on them. It's supposed to be
-// request-scoped, and will thus keep things cached indefinitely.
-type Loader struct {
-	mutex   sync.Mutex
-	ctx     context.Context
-	loaders map[string]*dataloader.Loader
-
-	primedKeys map[string]map[string]bool
-}
-
-// New initializes the loader.
-func New() *Loader {
-	return &Loader{
-		ctx: context.Background(),
-		loaders: map[string]*dataloader.Loader{
-			"Character.id":   dataloader.NewBatchedLoader(characterIDBatch, dataloader.WithWait(time.Millisecond*2)),
-			"Character.nick": dataloader.NewBatchedLoader(characterNickBatch, dataloader.WithWait(time.Millisecond*2)),
-			"Channel.name":   dataloader.NewBatchedLoader(channelNameBatch, dataloader.WithWait(time.Millisecond*2)),
-		},
-		primedKeys: make(map[string]map[string]bool),
-	}
-}
-
-// FromContext gets the Loader from context.
-func FromContext(ctx context.Context) *Loader {
-	value := ctx.Value(&contextKey)
-	if value == nil {
-		return nil
-	}
-
-	return value.(*Loader)
-}
-
-// ToContext gets a context with the loader as a value
-func (loader *Loader) ToContext(ctx context.Context) context.Context {
-	loader.ctx = ctx
-	return context.WithValue(ctx, &contextKey, loader)
-}
-
-func (loader *Loader) prime(key string, values []string) {
-	loader.mutex.Lock()
-	if loader.primedKeys[key] == nil {
-		loader.primedKeys[key] = make(map[string]bool)
-	}
-
-	for _, value := range values {
-		loader.primedKeys[key][value] = true
-	}
-	loader.mutex.Unlock()
-}
-
-func (loader *Loader) loadPrimed(key string) {
-	loader.mutex.Lock()
-	if len(loader.primedKeys[key]) > 0 {
-		primedKeys := make([]string, 0, len(loader.primedKeys[key]))
-		for key := range loader.primedKeys[key] {
-			primedKeys = append(primedKeys, key)
-		}
-
-		loader.loaders[key].LoadMany(loader.ctx, dataloader.NewKeysFromStrings(primedKeys))
-		loader.primedKeys[key] = nil
-	}
-	loader.mutex.Unlock()
-}

internal/store/db.go

@@ -1,73 +0,0 @@
-package store
-
-import (
-	"fmt"
-	"time"
-
-	"github.com/globalsign/mgo"
-)
-
-var db *mgo.Database
-var dbInits []func(db *mgo.Database)
-
-// ConnectDB connects to a mongodb database.
-func ConnectDB(host string, port int, database, username, password, mechanism string) error {
-	session, err := mgo.DialWithInfo(&mgo.DialInfo{
-		Addrs:     []string{fmt.Sprintf("%s:%d", host, port)},
-		Timeout:   30 * time.Second,
-		Database:  database,
-		Username:  username,
-		Password:  password,
-		Mechanism: mechanism,
-		Source:    database,
-	})
-	if err != nil {
-		return err
-	}
-
-	db = session.DB(database)
-
-	return setupDB()
-}
-
-// HandleInit handles the initialization of the database
-func HandleInit(function func(db *mgo.Database)) {
-	dbInits = append(dbInits, function)
-}
-
-func setupDB() error {
-	db.C("common.characters").EnsureIndexKey("name")
-	db.C("common.characters").EnsureIndexKey("shortName")
-	db.C("common.characters").EnsureIndexKey("author")
-	err := db.C("common.characters").EnsureIndex(mgo.Index{
-		Key:      []string{"nicks"},
-		Unique:   true,
-		DropDups: true,
-	})
-	if err != nil {
-		return err
-	}
-
-	db.C("logbot3.logs").EnsureIndexKey("date")
-	db.C("logbot3.logs").EnsureIndexKey("channel")
-	db.C("logbot3.logs").EnsureIndexKey("channel", "open")
-	db.C("logbot3.logs").EnsureIndexKey("open")
-	db.C("logbot3.logs").EnsureIndexKey("oldId")
-	db.C("logbot3.logs").EnsureIndexKey("characterIds")
-	db.C("logbot3.logs").EnsureIndexKey("event")
-	db.C("logbot3.logs").EnsureIndexKey("$text:channel", "$text:title", "$text:event", "$text:description", "$text:posts.nick", "$text:posts.text")
-
-	err = db.C("server.changes").EnsureIndex(mgo.Index{
-		Key:         []string{"date"},
-		ExpireAfter: time.Hour * (24 * 14),
-	})
-	if err != nil {
-		return err
-	}
-
-	for _, dbInit := range dbInits {
-		dbInit(db)
-	}
-
-	return nil
-}

internal/store/init.go

@@ -1,39 +0,0 @@
-package store
-
-import (
-	"sync"
-
-	"git.aiterp.net/rpdata/api/internal/config"
-)
-
-var initMuted sync.Mutex
-var hasInitialized bool
-
-// Init initalizes the store
-func Init() error {
-	initMuted.Lock()
-	defer initMuted.Unlock()
-	if hasInitialized {
-		return nil
-	}
-
-	conf := config.Global()
-
-	dbconf := conf.Database
-	err := ConnectDB(dbconf.Host, dbconf.Port, dbconf.Db, dbconf.Username, dbconf.Password, dbconf.Mechanism)
-	if err != nil {
-		return err
-	}
-
-	sconf := conf.Space
-	if sconf.Enabled {
-		err = ConnectSpace(sconf.Host, sconf.AccessKey, sconf.SecretKey, sconf.Bucket, sconf.MaxSize, sconf.Root)
-		if err != nil {
-			return err
-		}
-	}
-
-	hasInitialized = true
-
-	return nil
-}

internal/store/space.go

@@ -1,97 +0,0 @@
-package store
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"io"
-
-	minio "github.com/minio/minio-go"
-)
-
-var spaceBucket string
-var spaceURLRoot string
-var spaceRoot string
-var spaceClient *minio.Client
-var spaceMaxSize int64
-
-// ConnectSpace connects to a S3 space.
-func ConnectSpace(host, accessKey, secretKey, bucket string, maxSize int64, rootDirectory string) error {
-	client, err := minio.New(host, accessKey, secretKey, true)
-	if err != nil {
-		return err
-	}
-
-	exists, err := client.BucketExists(bucket)
-	if err != nil {
-		return err
-	}
-
-	if !exists {
-		return errors.New("Bucket not found")
-	}
-
-	spaceClient = client
-	spaceBucket = bucket
-	spaceURLRoot = fmt.Sprintf("https://%s.%s/%s/", bucket, host, rootDirectory)
-	spaceMaxSize = maxSize
-	spaceRoot = rootDirectory
-
-	return nil
-}
-
-// UploadFile uploads the file to the space. This does not do any checks on it, so the endpoints should
-// ensure that's all okay.
-func UploadFile(ctx context.Context, folder string, name string, mimeType string, reader io.Reader, size int64) (string, error) {
-	if spaceClient == nil {
-		return "", errors.New("This functionality is not enabled")
-	}
-
-	path := folder + "/" + name
-
-	if size > spaceMaxSize {
-		return "", errors.New("File is too big")
-	}
-
-	_, err := spaceClient.PutObjectWithContext(ctx, spaceBucket, spaceRoot+"/"+path, reader, size, minio.PutObjectOptions{
-		ContentType: mimeType,
-		UserMetadata: map[string]string{
-			"x-amz-acl": "public-read",
-		},
-	})
-	if err != nil {
-		return "", err
-	}
-
-	_, err = spaceClient.StatObject(spaceBucket, spaceRoot+"/"+path, minio.StatObjectOptions{})
-	if err != nil {
-		return "", err
-	}
-
-	return path, nil
-}
-
-// RemoveFile removes a file from the space
-func RemoveFile(folder string, name string) error {
-	if spaceClient == nil {
-		return errors.New("This functionality is not enabled")
-	}
-
-	path := folder + "/" + name
-
-	return spaceClient.RemoveObject(spaceBucket, spaceRoot+"/"+path)
-}
-
-// DownloadFile opens a file for download, using the same path format as the UploadFile function. Remember to Close it!
-func DownloadFile(ctx context.Context, path string) (io.ReadCloser, error) {
-	if spaceClient == nil {
-		return nil, errors.New("This functionality is not enabled")
-	}
-
-	return spaceClient.GetObjectWithContext(ctx, spaceBucket, spaceRoot+"/"+path, minio.GetObjectOptions{})
-}
-
-// URLFromPath gets the URL from the path returned by UploadFile
-func URLFromPath(path string) string {
-	return spaceURLRoot + path
-}

models/channels/add.go

@@ -1,33 +0,0 @@
-package channels
-
-import (
-	"errors"
-	"strings"
-
-	"git.aiterp.net/rpdata/api/models"
-)
-
-// ErrInvalidName is an error for an invalid channel name.
-var ErrInvalidName = errors.New("Invalid channel name")
-
-// Add creates a new channel.
-func Add(name string, logged, hub bool, event, location string) (models.Channel, error) {
-	if len(name) < 3 && !strings.HasPrefix(name, "#") {
-		return models.Channel{}, ErrInvalidName
-	}
-
-	channel := models.Channel{
-		Name:         name,
-		Logged:       logged,
-		Hub:          hub,
-		EventName:    event,
-		LocationName: location,
-	}
-
-	err := collection.Insert(channel)
-	if err != nil {
-		return models.Channel{}, err
-	}
-
-	return channel, nil
-}

models/channels/db.go

@@ -1,19 +0,0 @@
-package channels
-
-import (
-	"git.aiterp.net/rpdata/api/internal/store"
-	"github.com/globalsign/mgo"
-)
-
-var collection *mgo.Collection
-
-func init() {
-	store.HandleInit(func(db *mgo.Database) {
-		collection = db.C("common.channels")
-
-		collection.EnsureIndexKey("logged")
-		collection.EnsureIndexKey("hub")
-		collection.EnsureIndexKey("event")
-		collection.EnsureIndexKey("location")
-	})
-}

models/channels/edit.go

@@ -1,39 +0,0 @@
-package channels
-
-import (
-	"git.aiterp.net/rpdata/api/models"
-	"github.com/globalsign/mgo/bson"
-)
-
-// Edit edits a channels
-func Edit(channel models.Channel, logged, hub *bool, eventName, locationName *string) (models.Channel, error) {
-	mutation := bson.M{}
-
-	if logged != nil && *logged != channel.Logged {
-		mutation["logged"] = *logged
-		channel.Logged = *logged
-	}
-	if hub != nil && *hub != channel.Hub {
-		mutation["hub"] = *hub
-		channel.Hub = *hub
-	}
-	if eventName != nil && *eventName != channel.EventName {
-		mutation["eventName"] = *eventName
-		channel.EventName = *eventName
-	}
-	if locationName != nil && *locationName != channel.LocationName {
-		mutation["locationName"] = *locationName
-		channel.LocationName = *locationName
-	}
-
-	if len(mutation) == 0 {
-		return channel, nil
-	}
-
-	err := collection.UpdateId(channel.Name, bson.M{"$set": mutation})
-	if err != nil {
-		return models.Channel{}, err
-	}
-
-	return channel, nil
-}

models/channels/ensure.go

@@ -1,33 +0,0 @@
-package channels
-
-import (
-	"strings"
-
-	"github.com/globalsign/mgo"
-
-	"git.aiterp.net/rpdata/api/models"
-)
-
-// Ensure adds a channel if it doesn't exist. If logged is set and the found channel isn't logged,
-// that is changed.
-func Ensure(name string, logged bool) (models.Channel, error) {
-	if len(name) < 3 && !strings.HasPrefix(name, "#") {
-		return models.Channel{}, ErrInvalidName
-	}
-
-	channel, err := FindName(name)
-	if err == mgo.ErrNotFound {
-		return Add(name, logged, false, "", "")
-	} else if err != nil {
-		return models.Channel{}, err
-	}
-
-	if logged && !channel.Logged {
-		channel, err = Edit(channel, &logged, nil, nil, nil)
-		if err != nil {
-			return models.Channel{}, err
-		}
-	}
-
-	return channel, nil
-}

models/channels/find.go

@@ -1,11 +0,0 @@
-package channels
-
-import "git.aiterp.net/rpdata/api/models"
-
-// FindName finds a channel by its id (its name).
-func FindName(name string) (models.Channel, error) {
-	channel := models.Channel{}
-	err := collection.FindId(name).One(&channel)
-
-	return channel, err
-}

models/channels/list.go

@@ -1,46 +0,0 @@
-package channels
-
-import (
-	"git.aiterp.net/rpdata/api/models"
-	"github.com/globalsign/mgo/bson"
-)
-
-// Filter for searching
-type Filter struct {
-	Logged       *bool  `json:"logged"`
-	EventName    string `json:"eventName"`
-	LocationName string `json:"locationName"`
-}
-
-// List finds channels, if logged is true it will be limited to logged
-// channels
-func List(filter *Filter) ([]models.Channel, error) {
-	query := bson.M{}
-
-	if filter != nil {
-		if filter.Logged != nil {
-			query["logged"] = *filter.Logged
-		}
-		if filter.EventName != "" {
-			query["eventName"] = filter.EventName
-		}
-		if filter.LocationName != "" {
-			query["locationName"] = filter.LocationName
-		}
-	}
-
-	channels := make([]models.Channel, 0, 128)
-	err := collection.Find(query).Sort("_id").All(&channels)
-
-	return channels, err
-}
-
-// ListNames finds channels by the names provided
-func ListNames(names ...string) ([]models.Channel, error) {
-	query := bson.M{"_id": bson.M{"$in": names}}
-
-	channels := make([]models.Channel, 0, 32)
-	err := collection.Find(query).All(&channels)
-
-	return channels, err
-}

models/key.go

@@ -0,0 +1,22 @@
+package models
+
+// A Key contains a JWT secret and the limitations of it. There are two types of
+// keys, single-user keys and wildcard keys. The former is used to authenticate
+// a single user (e.g. the logbot) through an API while the latter is only for
+// services that can be trusted to perform its own authentication (a frontend).
+type Key struct {
+	ID     string `bson:"_id"`
+	Name   string `bson:"name"`
+	User   string `bson:"user"`
+	Secret string `bson:"secret"`
+}
+
+// ValidForUser returns true if the key's user is the same as
+// the user, or it's a wildcard key.
+func (key *Key) ValidForUser(user string) bool {
+	return key.User == user || key.User == "*"
+}
+
+type KeyFilter struct {
+	UserID *string
+}

repositories/key.go

@@ -0,0 +1,13 @@
+package repositories
+
+import (
+	"context"
+	"git.aiterp.net/rpdata/api/models"
+)
+
+type KeyRepository interface {
+	Find(ctx context.Context, id string) (*models.Key, error)
+	List(ctx context.Context, filter models.KeyFilter) ([]*models.Key, error)
+	Insert(ctx context.Context, key models.Key) (*models.Key, error)
+	Delete(ctx context.Context, key models.Key) error
+}

repositories/user.go

@@ -0,0 +1,11 @@
+package repositories
+
+import (
+	"context"
+	"git.aiterp.net/rpdata/api/models"
+)
+
+type UserRepository interface {
+	Find(ctx context.Context, id string) (*models.User, error)
+	Insert(ctx context.Context, user models.User) (*models.User, error)
+}

services/auth.go

@@ -0,0 +1,331 @@
+package services
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"git.aiterp.net/rpdata/api/models"
+	"git.aiterp.net/rpdata/api/repositories"
+	"github.com/dgrijalva/jwt-go"
+	"log"
+	"net/http"
+	"reflect"
+	"strings"
+	"time"
+)
+
+var contextKey = &struct{ data string }{"Token Context Key"}
+
+// ErrNoKid is returned if the key id is missing from the jwt token header,
+var ErrNoKid = errors.New("missing \"kid\" field in token")
+
+// ErrKeyNotFound is returned if the key wasn't found.
+var ErrKeyNotFound = errors.New("key not found")
+
+// ErrInvalidClaims is returned by parseClaims if the claims cannot be parsed
+var ErrInvalidClaims = errors.New("invalid claims in token")
+
+// ErrExpired is returned by parseClaims if the expiry date is in the past
+var ErrExpired = errors.New("claims have already expired")
+
+// ErrWrongUser is returned by CheckToken if the key cannot represent this user
+var ErrWrongUser = errors.New("key is not valid for this user")
+
+// ErrDeletedUser is returned by CheckToken if the key can represent this user, but the user doesn't exist.
+var ErrDeletedUser = errors.New("user was not found")
+
+// ErrUnauthenticated is returned when the user is not authenticated
+var ErrUnauthenticated = errors.New("you are not authenticated")
+
+// ErrUnauthorized is returned when the user doesn't have access to this resource
+var ErrUnauthorized = errors.New("you are not authorized to perform this action")
+
+// ErrInvalidOperation is returned for operations that should never be allowed
+var ErrInvalidOperation = errors.New("no permission exists for this operation")
+
+// AuthService is a service for handling the 'orizations and 'entications.
+type AuthService struct {
+	keys  repositories.KeyRepository
+	users repositories.UserRepository
+}
+
+// FindKey finds a key by id.
+func (s *AuthService) FindKey(ctx context.Context, id string) (*models.Key, error) {
+	return s.keys.Find(ctx, id)
+}
+
+// FindKey finds a key by id.
+func (s *AuthService) FindUser(ctx context.Context, id string) (*models.User, error) {
+	return s.users.Find(ctx, id)
+}
+
+// CreateKey generates a new key for the user and name. This
+// does not allow generating wildcard keys, they have to be
+// manually inserted into the DB.
+func (s *AuthService) CreateKey(ctx context.Context, name, user string) (*models.Key, error) {
+	if user == "*" {
+		return nil, errors.New("auth: wildcard keys not allowed")
+	}
+
+	secret, err := s.generateSecret()
+	if err != nil {
+		return nil, err
+	}
+
+	key := &models.Key{
+		Name:   name,
+		User:   user,
+		Secret: secret,
+	}
+
+	key, err = s.keys.Insert(ctx, *key)
+	if err != nil {
+		return nil, err
+	}
+
+	return key, nil
+}
+
+// CheckPermission does some magic.
+func (s *AuthService) CheckPermission(ctx context.Context, op string, obj interface{}) error {
+	token := s.TokenFromContext(ctx)
+	if token == nil {
+		return ErrUnauthenticated
+	}
+
+	if v := reflect.ValueOf(obj); v.Kind() == reflect.Struct {
+		ptr := reflect.PtrTo(v.Type())
+		ptrValue := reflect.New(ptr.Elem())
+		ptrValue.Elem().Set(v)
+
+		obj = ptrValue.Interface()
+	}
+
+	var authorized = false
+
+	switch v := obj.(type) {
+	case *models.Channel:
+		authorized = token.Permitted("channel." + op)
+	case *models.Character:
+		authorized = token.PermittedUser(v.Author, "member", "character."+op)
+	case *models.Chapter:
+		authorized = token.PermittedUser(v.Author, "member", "chapter."+op)
+	case *models.Comment:
+		if op == "add" && v.Author != token.UserID {
+			return ErrInvalidOperation
+		}
+
+		authorized = token.PermittedUser(v.Author, "member", "comment."+op)
+	case *models.File:
+		authorized = token.PermittedUser(v.Author, "member", "file."+op)
+	case *models.Log:
+		authorized = token.Permitted("log." + op)
+	case *models.Post:
+		authorized = token.Permitted("post." + op)
+	case *models.Story:
+		authorized = token.PermittedUser(v.Author, "member", "story."+op)
+	case *models.User:
+		authorized = token.Permitted("user." + op)
+	default:
+		log.Panicf("Invalid model %T: %#+v", v, v)
+	}
+
+	if !authorized {
+		return ErrUnauthorized
+	}
+
+	return nil
+}
+
+// TokenFromContext gets the token from context.
+func (s *AuthService) TokenFromContext(ctx context.Context) *models.Token {
+	token, ok := ctx.Value(contextKey).(*models.Token)
+	if !ok {
+		return nil
+	}
+
+	return token
+}
+
+// RequestWithToken either returns the request, or the request with a new context that
+// has the token.
+func (s *AuthService) RequestWithToken(r *http.Request) *http.Request {
+	header := r.Header.Get("Authorization")
+	if header == "" {
+		return r
+	}
+
+	if !strings.HasPrefix(header, "Bearer ") {
+		return r
+	}
+
+	token, err := s.CheckToken(r.Context(), header[7:])
+	if err != nil {
+		return r
+	}
+
+	return r.WithContext(context.WithValue(r.Context(), contextKey, &token))
+}
+
+// CheckToken reads the token string and returns a token if everything is kosher.
+func (s *AuthService) CheckToken(ctx context.Context, tokenString string) (token models.Token, err error) {
+	var key *models.Key
+
+	jwtToken, err := jwt.Parse(tokenString, func(jwtToken *jwt.Token) (interface{}, error) {
+		if _, ok := jwtToken.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", jwtToken.Header["alg"])
+		}
+
+		kid, ok := jwtToken.Header["kid"].(string)
+		if !ok {
+			return nil, ErrNoKid
+		}
+
+		key, err = s.FindKey(ctx, kid)
+		if err != nil || key.ID == "" {
+			return nil, ErrKeyNotFound
+		}
+
+		return []byte(key.Secret), nil
+	})
+	if err != nil {
+		return models.Token{}, err
+	}
+
+	userid, permissions, err := s.parseClaims(jwtToken.Claims)
+	if err != nil {
+		return models.Token{}, err
+	}
+
+	if !key.ValidForUser(userid) {
+		return models.Token{}, ErrWrongUser
+	}
+
+	user, err := s.ensureUser(ctx, userid)
+	if err != nil {
+		return models.Token{}, ErrDeletedUser
+	}
+
+	acceptedPermissions := make([]string, 0, len(user.Permissions))
+	if len(permissions) > 0 {
+		for _, permission := range permissions {
+			found := false
+
+			for _, userPermission := range user.Permissions {
+				if permission == userPermission {
+					found = true
+					break
+				}
+			}
+
+			if found {
+				acceptedPermissions = append(acceptedPermissions, permission)
+			}
+		}
+	} else {
+		acceptedPermissions = append(acceptedPermissions, user.Permissions...)
+	}
+
+	return models.Token{UserID: user.ID, Permissions: acceptedPermissions}, nil
+}
+
+// AllPermissions gets all permissions and their purpose
+func (s *AuthService) AllPermissions() map[string]string {
+	return map[string]string{
+		"member":           "Can add/edit/remove own content",
+		"user.edit":        "Can edit non-owned users",
+		"character.add":    "Can add non-owned characters",
+		"character.edit":   "Can edit non-owned characters",
+		"character.remove": "Can remove non-owned characters",
+		"channel.add":      "Can add channels",
+		"channel.edit":     "Can edit channels",
+		"channel.remove":   "Can remove channels",
+		"comment.edit":     "Can edit non-owned comments",
+		"comment.remove":   "Can remove non-owned comments",
+		"log.add":          "Can add logs",
+		"log.edit":         "Can edit logs",
+		"log.remove":       "Can remove logs",
+		"post.add":         "Can add posts",
+		"post.edit":        "Can edit posts",
+		"post.move":        "Can move posts",
+		"post.remove":      "Can remove posts",
+		"story.add":        "Can add non-owned stories",
+		"story.edit":       "Can edit non-owned stories",
+		"story.remove":     "Can remove non-owned stories",
+		"story.unlisted":   "Can view non-owned unlisted stories",
+		"file.upload":      "Can upload files",
+		"file.list":        "Can list non-owned files",
+		"file.view":        "Can view non-owned files",
+		"file.edit":        "Can edit non-owned files",
+		"file.remove":      "Can remove non-owned files",
+	}
+}
+
+func (s *AuthService) parseClaims(jwtClaims jwt.Claims) (userid string, permissions []string, err error) {
+	mapClaims, ok := jwtClaims.(jwt.MapClaims)
+	if !ok {
+		return "", nil, ErrInvalidClaims
+	}
+
+	if !mapClaims.VerifyExpiresAt(time.Now().Unix(), true) {
+		return "", nil, ErrExpired
+	}
+
+	if userid, ok = mapClaims["user"].(string); !ok {
+		return "", nil, ErrInvalidClaims
+	}
+
+	if claimedPermissions, ok := mapClaims["permissions"].([]interface{}); ok {
+		for _, permission := range claimedPermissions {
+			if permission, ok := permission.(string); ok {
+				permissions = append(permissions, permission)
+			}
+		}
+
+		if len(permissions) == 0 {
+			return "", nil, ErrInvalidClaims
+		}
+	}
+
+	return
+}
+
+func (s *AuthService) generateSecret() (string, error) {
+	var data [64]byte
+
+	_, err := rand.Read(data[:])
+	if err != nil {
+		return "", err
+	}
+
+	return base64.RawURLEncoding.EncodeToString(data[:]), nil
+}
+
+func (s *AuthService) ensureUser(ctx context.Context, id string) (*models.User, error) {
+	user, err := s.users.Find(ctx, id)
+	if err == repositories.ErrNotFound {
+		user = &models.User{
+			ID:   id,
+			Nick: "",
+			Permissions: []string{
+				"member",
+				"log.edit",
+				"post.edit",
+				"post.move",
+				"post.remove",
+				"file.upload",
+			},
+		}
+
+		user, err = s.users.Insert(ctx, *user)
+		if err != nil {
+			return nil, err
+		}
+	} else if err != nil {
+		return nil, err
+	}
+
+	return user, err
+}

services/changes.go

@@ -2,7 +2,6 @@ package services
 
 import (
 	"context"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/internal/notifier"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/repositories"
@@ -13,6 +12,7 @@ import (
 
 type ChangeService struct {
 	changes     repositories.ChangeRepository
+	authService *AuthService
 
 	mutex       sync.RWMutex
 	buffer      []models.Change
@@ -31,7 +31,7 @@ func (s *ChangeService) List(ctx context.Context, filter models.ChangeFilter) ([
 }
 
 func (s *ChangeService) Submit(ctx context.Context, model models.ChangeModel, op string, listed bool, keys []models.ChangeKey, objects ...interface{}) {
-	token := auth.TokenFromContext(ctx)
+	token := s.authService.TokenFromContext(ctx)
 	if token == nil {
 		panic("no token!")
 	}
@@ -127,15 +127,16 @@ func (s *ChangeService) Subscribe(ctx context.Context, filter models.ChangeFilte
 
 func (s *ChangeService) loop() {
 	for change := range s.submitQueue {
-		timeout, cancel := context.WithTimeout(context.Background(), time.Second*15)
+		timeout, cancel := context.WithTimeout(context.Background(), time.Second*5)
 
 		change, err := s.changes.Insert(timeout, *change)
 		if err != nil {
 			log.Println("Failed to insert change:")
-		} else {
-			log.Println("Change", change.ID, "inserted.")
+			continue
 		}
 
+		log.Println("Change", change.ID, "inserted.")
+
 		s.mutex.Lock()
 		s.buffer = append(s.buffer, *change)
 		if len(s.buffer) > 16 {

services/channels.go

@@ -2,7 +2,6 @@ package services
 
 import (
 	"context"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/models/changekeys"
 	"git.aiterp.net/rpdata/api/repositories"
@@ -14,6 +13,7 @@ type ChannelService struct {
 	channels      repositories.ChannelRepository
 	loader        *loaders.ChannelLoader
 	changeService *ChangeService
+	authService   *AuthService
 }
 
 func (s *ChannelService) Find(ctx context.Context, id string) (*models.Channel, error) {
@@ -44,7 +44,7 @@ func (s *ChannelService) List(ctx context.Context, filter models.ChannelFilter)
 }
 
 func (s *ChannelService) Create(ctx context.Context, name string, logged, hub bool, eventName, locationName string) (*models.Channel, error) {
-	err := auth.CheckPermission(ctx, "add", &models.Channel{})
+	err := s.authService.CheckPermission(ctx, "add", &models.Channel{})
 	if err != nil {
 		return nil, err
 	}
@@ -91,7 +91,7 @@ func (s *ChannelService) Update(ctx context.Context, name string, update models.
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", channel)
+	err = s.authService.CheckPermission(ctx, "edit", channel)
 	if err != nil {
 		return nil, err
 	}
@@ -114,7 +114,7 @@ func (s *ChannelService) Delete(ctx context.Context, name string) (*models.Chann
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "remove", channel)
+	err = s.authService.CheckPermission(ctx, "remove", channel)
 	if err != nil {
 		return nil, err
 	}

services/characters.go

@@ -3,7 +3,6 @@ package services
 import (
 	"context"
 	"errors"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/models/changekeys"
 	"git.aiterp.net/rpdata/api/repositories"
@@ -16,6 +15,7 @@ type CharacterService struct {
 	characters    repositories.CharacterRepository
 	loader        *loaders.CharacterLoader
 	changeService *ChangeService
+	authService   *AuthService
 }
 
 // Find uses the loader to find the character by the ID.
@@ -65,9 +65,9 @@ func (s *CharacterService) List(ctx context.Context, filter models.CharacterFilt
 }
 
 func (s *CharacterService) Create(ctx context.Context, nick, name, shortName, author, description string) (*models.Character, error) {
-	token := auth.TokenFromContext(ctx)
+	token := s.authService.TokenFromContext(ctx)
 	if token == nil {
-		return nil, auth.ErrUnauthenticated
+		return nil, ErrUnauthenticated
 	}
 
 	if name == "" {
@@ -91,7 +91,7 @@ func (s *CharacterService) Create(ctx context.Context, nick, name, shortName, au
 		Description: description,
 	}
 
-	err := auth.CheckPermission(ctx, "add", character)
+	err := s.authService.CheckPermission(ctx, "add", character)
 	if err != nil {
 		return nil, err
 	}
@@ -112,7 +112,7 @@ func (s *CharacterService) Update(ctx context.Context, id string, name, shortNam
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", character)
+	err = s.authService.CheckPermission(ctx, "edit", character)
 	if err != nil {
 		return nil, err
 	}
@@ -140,7 +140,7 @@ func (s *CharacterService) AddNick(ctx context.Context, id string, nick string)
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", character)
+	err = s.authService.CheckPermission(ctx, "edit", character)
 	if err != nil {
 		return nil, err
 	}
@@ -164,7 +164,7 @@ func (s *CharacterService) RemoveNick(ctx context.Context, id string, nick strin
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", character)
+	err = s.authService.CheckPermission(ctx, "edit", character)
 	if err != nil {
 		return nil, err
 	}
@@ -188,7 +188,7 @@ func (s *CharacterService) Delete(ctx context.Context, id string) (*models.Chara
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", character)
+	err = s.authService.CheckPermission(ctx, "edit", character)
 	if err != nil {
 		return nil, err
 	}

services/files.go

@@ -3,7 +3,6 @@ package services
 import (
 	"context"
 	"errors"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/repositories"
 	"github.com/h2non/filetype"
@@ -20,6 +19,7 @@ var ErrCouldNotUploadFile = errors.New("could not upload file")
 // FileService is a service for files.
 type FileService struct {
 	files       repositories.FileRepository
+	authService *AuthService
 }
 
 func (s *FileService) Find(ctx context.Context, id string) (*models.File, error) {
@@ -29,7 +29,7 @@ func (s *FileService) Find(ctx context.Context, id string) (*models.File, error)
 	}
 
 	if !file.Public {
-		err := auth.CheckPermission(ctx, "view", file)
+		err := s.authService.CheckPermission(ctx, "view", file)
 		if err != nil {
 			return nil, repositories.ErrNotFound
 		}
@@ -39,7 +39,7 @@ func (s *FileService) Find(ctx context.Context, id string) (*models.File, error)
 }
 
 func (s *FileService) List(ctx context.Context, filter models.FileFilter) ([]*models.File, error) {
-	token := auth.TokenFromContext(ctx)
+	token := s.authService.TokenFromContext(ctx)
 
 	if filter.Public != nil {
 		if *filter.Public == false {
@@ -48,7 +48,7 @@ func (s *FileService) List(ctx context.Context, filter models.FileFilter) ([]*mo
 			}
 
 			if !token.PermittedUser(*filter.Author, "member", "file.list") {
-				return nil, auth.ErrUnauthorized
+				return nil, ErrUnauthorized
 			}
 		}
 	}
@@ -83,7 +83,7 @@ func (s *FileService) Edit(ctx context.Context, id string, name *string, public
 		return nil, err
 	}
 
-	err = auth.CheckPermission(ctx, "edit", file)
+	err = s.authService.CheckPermission(ctx, "edit", file)
 	if err != nil {
 		if !file.Public {
 			return nil, repositories.ErrNotFound

services/logs.go

@@ -3,10 +3,8 @@ package services
 import (
 	"context"
 	"errors"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/models/changekeys"
-	"git.aiterp.net/rpdata/api/models/channels"
 	"git.aiterp.net/rpdata/api/repositories"
 	"git.aiterp.net/rpdata/api/services/parsers"
 	"golang.org/x/sync/errgroup"
@@ -23,6 +21,7 @@ type LogService struct {
 	changeService    *ChangeService
 	channelService   *ChannelService
 	characterService *CharacterService
+	authService      *AuthService
 
 	unknownNicks      map[string]int
 	unknownNicksMutex sync.Mutex
@@ -93,7 +92,7 @@ func (s *LogService) Create(ctx context.Context, title, description, channelName
 		Open:        open,
 	}
 
-	if err := auth.CheckPermission(ctx, "add", log); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", log); err != nil {
 		return nil, err
 	}
 
@@ -114,7 +113,7 @@ func (s *LogService) Create(ctx context.Context, title, description, channelName
 
 // Import creates new logs from common formats.
 func (s *LogService) Import(ctx context.Context, importer models.LogImporter, date time.Time, tz *time.Location, channelName string, data string) ([]*models.Log, error) {
-	if err := auth.CheckPermission(ctx, "add", &models.Log{}); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", &models.Log{}); err != nil {
 		return nil, err
 	}
 
@@ -126,7 +125,7 @@ func (s *LogService) Import(ctx context.Context, importer models.LogImporter, da
 	}
 
 	eventName := ""
-	if channel, err := channels.FindName(channelName); err == nil {
+	if channel, err := s.channelService.Find(ctx, channelName); err == nil {
 		eventName = channel.EventName
 	}
 
@@ -212,7 +211,7 @@ func (s *LogService) Update(ctx context.Context, id string, update models.LogUpd
 		return nil, err
 	}
 
-	if err := auth.CheckPermission(ctx, "edit", log); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", log); err != nil {
 		return nil, err
 	}
 
@@ -232,7 +231,7 @@ func (s *LogService) SplitLog(ctx context.Context, logId string, startPostId str
 	if err != nil {
 		return nil, err
 	}
-	if err := auth.CheckPermission(ctx, "add", l); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", l); err != nil {
 		return nil, err
 	}
 
@@ -314,11 +313,11 @@ func (s *LogService) SplitLog(ctx context.Context, logId string, startPostId str
 
 func (s *LogService) MergeLogs(ctx context.Context, targetID string, sourceID string, removeAfter bool) (*models.Log, error) {
 	// Check permissions
-	if err := auth.CheckPermission(ctx, "edit", &models.Log{}); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", &models.Log{}); err != nil {
 		return nil, err
 	}
 	if removeAfter {
-		if err := auth.CheckPermission(ctx, "remove", &models.Log{}); err != nil {
+		if err := s.authService.CheckPermission(ctx, "remove", &models.Log{}); err != nil {
 			return nil, err
 		}
 	}
@@ -393,7 +392,7 @@ func (s *LogService) AddPost(ctx context.Context, logId string, time time.Time,
 		Time:  time,
 	}
 
-	if err := auth.CheckPermission(ctx, "add", post); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", post); err != nil {
 		return nil, err
 	}
 
@@ -424,7 +423,7 @@ func (s *LogService) EditPost(ctx context.Context, id string, update models.Post
 		return nil, err
 	}
 
-	if err := auth.CheckPermission(ctx, "edit", post); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", post); err != nil {
 		return nil, err
 	}
 
@@ -460,7 +459,7 @@ func (s *LogService) MovePost(ctx context.Context, id string, position int) ([]*
 		return nil, err
 	}
 
-	if err := auth.CheckPermission(ctx, "move", post); err != nil {
+	if err := s.authService.CheckPermission(ctx, "move", post); err != nil {
 		return nil, err
 	}
 
@@ -491,7 +490,7 @@ func (s *LogService) DeletePost(ctx context.Context, id string) (*models.Post, e
 		return nil, err
 	}
 
-	if err := auth.CheckPermission(ctx, "remove", post); err != nil {
+	if err := s.authService.CheckPermission(ctx, "remove", post); err != nil {
 		return nil, err
 	}
 
@@ -523,7 +522,7 @@ func (s *LogService) Delete(ctx context.Context, id string) (*models.Log, error)
 		return nil, err
 	}
 
-	if err := auth.CheckPermission(ctx, "remove", log); err != nil {
+	if err := s.authService.CheckPermission(ctx, "remove", log); err != nil {
 		return nil, err
 	}
 

services/services.go

@@ -13,24 +13,37 @@ type Bundle struct {
 	Logs       *LogService
 	Channels   *ChannelService
 	Stories    *StoryService
+	Auth       *AuthService
+	Files      *FileService
 }
 
 // NewBundle creates a new bundle.
 func NewBundle(db database.Database) *Bundle {
 	bundle := &Bundle{}
+	bundle.Auth = &AuthService{
+		keys:  db.Keys(),
+		users: db.Users(),
+	}
+	bundle.Files = &FileService{
+		files:       nil,
+		authService: bundle.Auth,
+	}
 	bundle.Changes = &ChangeService{
 		changes:     db.Changes(),
+		authService: bundle.Auth,
 	}
 	bundle.Tags = &TagService{tags: db.Tags()}
 	bundle.Characters = &CharacterService{
 		characters:    db.Characters(),
 		loader:        loaders.CharacterLoaderFromRepository(db.Characters()),
 		changeService: bundle.Changes,
+		authService:   bundle.Auth,
 	}
 	bundle.Channels = &ChannelService{
 		channels:      db.Channels(),
 		loader:        loaders.ChannelLoaderFromRepository(db.Channels()),
 		changeService: bundle.Changes,
+		authService:   bundle.Auth,
 	}
 	bundle.Logs = &LogService{
 		logs:             db.Logs(),
@@ -38,6 +51,7 @@ func NewBundle(db database.Database) *Bundle {
 		changeService:    bundle.Changes,
 		channelService:   bundle.Channels,
 		characterService: bundle.Characters,
+		authService:      bundle.Auth,
 
 		unknownNicks: make(map[string]int, 512),
 	}
@@ -47,6 +61,7 @@ func NewBundle(db database.Database) *Bundle {
 		comments:         db.Comments(),
 		changeService:    bundle.Changes,
 		characterService: bundle.Characters,
+		authService:      bundle.Auth,
 	}
 
 	return bundle

services/stories.go

@@ -3,7 +3,6 @@ package services
 import (
 	"context"
 	"errors"
-	"git.aiterp.net/rpdata/api/internal/auth"
 	"git.aiterp.net/rpdata/api/internal/generate"
 	"git.aiterp.net/rpdata/api/models"
 	"git.aiterp.net/rpdata/api/models/changekeys"
@@ -18,6 +17,7 @@ type StoryService struct {
 	comments         repositories.CommentRepository
 	changeService    *ChangeService
 	characterService *CharacterService
+	authService      *AuthService
 }
 
 func (s *StoryService) FindStory(ctx context.Context, id string) (*models.Story, error) {
@@ -46,9 +46,9 @@ func (s *StoryService) ListComments(ctx context.Context, chapter models.Chapter,
 
 func (s *StoryService) CreateStory(ctx context.Context, name string, author *string, category models.StoryCategory, listed, open bool, tags []models.Tag, createdDate, fictionalDate time.Time) (*models.Story, error) {
 	if author == nil {
-		token := auth.TokenFromContext(ctx)
+		token := s.authService.TokenFromContext(ctx)
 		if token == nil {
-			return nil, auth.ErrUnauthenticated
+			return nil, ErrUnauthenticated
 		}
 
 		author = &token.UserID
@@ -66,7 +66,7 @@ func (s *StoryService) CreateStory(ctx context.Context, name string, author *str
 		UpdatedDate:   createdDate,
 	}
 
-	if err := auth.CheckPermission(ctx, "add", story); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", story); err != nil {
 		return nil, err
 	}
 
@@ -82,9 +82,9 @@ func (s *StoryService) CreateStory(ctx context.Context, name string, author *str
 
 func (s *StoryService) CreateChapter(ctx context.Context, story models.Story, title, source string, author *string, createdDate time.Time, fictionalDate *time.Time, commentMode models.ChapterCommentMode) (*models.Chapter, error) {
 	if author == nil {
-		token := auth.TokenFromContext(ctx)
+		token := s.authService.TokenFromContext(ctx)
 		if token == nil {
-			return nil, auth.ErrUnauthenticated
+			return nil, ErrUnauthenticated
 		}
 
 		author = &token.UserID
@@ -106,11 +106,11 @@ func (s *StoryService) CreateChapter(ctx context.Context, story models.Story, ti
 	}
 
 	if story.Open {
-		if !auth.TokenFromContext(ctx).Permitted("member", "chapter.add") {
-			return nil, auth.ErrUnauthorized
+		if !s.authService.TokenFromContext(ctx).Permitted("member", "chapter.add") {
+			return nil, ErrUnauthorized
 		}
 	} else {
-		if err := auth.CheckPermission(ctx, "add", chapter); err != nil {
+		if err := s.authService.CheckPermission(ctx, "add", chapter); err != nil {
 			return nil, err
 		}
 	}
@@ -143,10 +143,10 @@ func (s *StoryService) CreateComment(ctx context.Context, chapter models.Chapter
 	}
 
 	if author == "" {
-		if token := auth.TokenFromContext(ctx); token != nil {
+		if token := s.authService.TokenFromContext(ctx); token != nil {
 			author = token.UserID
 		} else {
-			return nil, auth.ErrUnauthenticated
+			return nil, ErrUnauthenticated
 		}
 	}
 
@@ -162,7 +162,7 @@ func (s *StoryService) CreateComment(ctx context.Context, chapter models.Chapter
 		EditedDate:    createdDate,
 		Source:        source,
 	}
-	if err := auth.CheckPermission(ctx, "add", comment); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", comment); err != nil {
 		return nil, err
 	}
 
@@ -185,7 +185,7 @@ func (s *StoryService) EditStory(ctx context.Context, story *models.Story, name
 		panic("StoryService.Edit called with nil story")
 	}
 
-	if err := auth.CheckPermission(ctx, "edit", story); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", story); err != nil {
 		return nil, err
 	}
 
@@ -206,7 +206,7 @@ func (s *StoryService) EditStory(ctx context.Context, story *models.Story, name
 }
 
 func (s *StoryService) AddStoryTag(ctx context.Context, story models.Story, tag models.Tag) (*models.Story, error) {
-	if err := auth.CheckPermission(ctx, "edit", &story); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", &story); err != nil {
 		return nil, err
 	}
 
@@ -223,7 +223,7 @@ func (s *StoryService) AddStoryTag(ctx context.Context, story models.Story, tag
 }
 
 func (s *StoryService) RemoveStoryTag(ctx context.Context, story models.Story, tag models.Tag) (*models.Story, error) {
-	if err := auth.CheckPermission(ctx, "edit", &story); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", &story); err != nil {
 		return nil, err
 	}
 
@@ -249,7 +249,7 @@ func (s *StoryService) EditChapter(ctx context.Context, chapter *models.Chapter,
 		panic("StoryService.EditChapter called with nil chapter")
 	}
 
-	if err := auth.CheckPermission(ctx, "edit", chapter); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", chapter); err != nil {
 		return nil, err
 	}
 
@@ -274,16 +274,16 @@ func (s *StoryService) EditChapter(ctx context.Context, chapter *models.Chapter,
 }
 
 func (s *StoryService) MoveChapter(ctx context.Context, chapter *models.Chapter, from, to models.Story) (*models.Chapter, error) {
-	if err := auth.CheckPermission(ctx, "move", chapter); err != nil {
+	if err := s.authService.CheckPermission(ctx, "move", chapter); err != nil {
 		return nil, err
 	}
 
 	if to.Open {
-		if !auth.TokenFromContext(ctx).Permitted("member", "chapter.add") {
-			return nil, auth.ErrUnauthorized
+		if !s.authService.TokenFromContext(ctx).Permitted("member", "chapter.add") {
+			return nil, ErrUnauthorized
 		}
 	} else {
-		if err := auth.CheckPermission(ctx, "add", chapter); err != nil {
+		if err := s.authService.CheckPermission(ctx, "add", chapter); err != nil {
 			return nil, err
 		}
 	}
@@ -304,7 +304,7 @@ func (s *StoryService) EditComment(ctx context.Context, comment *models.Comment,
 		panic("StoryService.EditChapter called with nil chapter")
 	}
 
-	if err := auth.CheckPermission(ctx, "edit", comment); err != nil {
+	if err := s.authService.CheckPermission(ctx, "edit", comment); err != nil {
 		return nil, err
 	}
 
@@ -343,7 +343,7 @@ func (s *StoryService) EditComment(ctx context.Context, comment *models.Comment,
 }
 
 func (s *StoryService) RemoveStory(ctx context.Context, story *models.Story) error {
-	if err := auth.CheckPermission(ctx, "add", story); err != nil {
+	if err := s.authService.CheckPermission(ctx, "add", story); err != nil {
 		return err
 	}
 
@@ -358,7 +358,7 @@ func (s *StoryService) RemoveStory(ctx context.Context, story *models.Story) err
 }
 
 func (s *StoryService) RemoveChapter(ctx context.Context, chapter *models.Chapter) error {
-	if err := auth.CheckPermission(ctx, "remove", chapter); err != nil {
+	if err := s.authService.CheckPermission(ctx, "remove", chapter); err != nil {
 		return err
 	}
 
@@ -377,7 +377,7 @@ func (s *StoryService) RemoveChapter(ctx context.Context, chapter *models.Chapte
 }
 
 func (s *StoryService) RemoveComment(ctx context.Context, comment *models.Comment) error {
-	if err := auth.CheckPermission(ctx, "remove", comment); err != nil {
+	if err := s.authService.CheckPermission(ctx, "remove", comment); err != nil {
 		return err
 	}
 
@@ -409,7 +409,7 @@ func (s *StoryService) permittedCharacter(ctx context.Context, permissionKind, c
 		return errors.New("character could not be found")
 	}
 
-	token := auth.TokenFromContext(ctx)
+	token := s.authService.TokenFromContext(ctx)
 	if character.Author != token.UserID && !token.Permitted(permissionKind+".edit") {
 		return errors.New("you are not permitted to use others' character")
 	}