/
auth.go
98 lines (85 loc) · 2.01 KB
/
auth.go
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package main
import (
"encoding/json"
"fmt"
"github.com/ant0ine/go-json-rest/rest"
"github.com/fortytw2/abdi"
"github.com/garyburd/redigo/redis"
"github.com/grayj/go-json-rest-middleware-tokenauth"
)
// User as seen in redis
type User struct {
Email string
HashedPass string
}
func CreateUser(email, password string) (*User, error) {
rd := pool.Get()
defer rd.Close()
exists, err := redis.Bool(rd.Do("EXISTS", Config.UserNamespace+email))
if exists {
return nil, fmt.Errorf("that account is already registered")
} else if err != nil {
return nil, err
}
// Create a token
hash, err := abdi.Hash(password)
if err != nil {
return nil, err
}
user := User{
Email: email,
HashedPass: hash,
}
data, err := json.Marshal(user)
if err != nil {
return nil, err
}
_, err = rd.Do("SET", Config.UserNamespace+email, data)
if err != nil {
return nil, err
}
return &user, nil
}
// FindUser gets a user redis
func FindUser(email string) (*User, error) {
rd := pool.Get()
defer rd.Close()
data, _ := redis.String(rd.Do("GET", Config.UserNamespace+email))
user := User{}
err := json.Unmarshal([]byte(data), &user)
if err != nil {
return nil, err
}
return &user, nil
}
//AuthMiddleware is the authorization middleware
func AuthMiddleware() rest.Middleware {
return &rest.IfMiddleware{
Condition: func(request *rest.Request) bool {
return request.URL.Path != "/login"
},
IfTrue: &tokenauth.AuthTokenMiddleware{
Realm: "token-auth",
Authenticator: func(token string) string {
rd := pool.Get()
defer rd.Close()
user, _ := redis.String(rd.Do("GET", Config.TokenNamespace+tokenauth.Hash(token)))
return user
},
},
IfFalse: &rest.AuthBasicMiddleware{
Realm: "basic-auth",
Authenticator: func(auth string, password string) bool {
user, err := FindUser(auth)
if err != nil {
panic(err)
}
if err = abdi.Check(password, user.HashedPass); err == nil {
fmt.Println("logged in ", user)
return true
}
return false
},
},
}
}