diff options
Diffstat (limited to 'vendor/github.com/labstack/echo/middleware/basic_auth.go')
-rw-r--r-- | vendor/github.com/labstack/echo/middleware/basic_auth.go | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/vendor/github.com/labstack/echo/middleware/basic_auth.go b/vendor/github.com/labstack/echo/middleware/basic_auth.go deleted file mode 100644 index e6c96324..00000000 --- a/vendor/github.com/labstack/echo/middleware/basic_auth.go +++ /dev/null @@ -1,106 +0,0 @@ -package middleware - -import ( - "encoding/base64" - "strconv" - "strings" - - "github.com/labstack/echo" -) - -type ( - // BasicAuthConfig defines the config for BasicAuth middleware. - BasicAuthConfig struct { - // Skipper defines a function to skip middleware. - Skipper Skipper - - // Validator is a function to validate BasicAuth credentials. - // Required. - Validator BasicAuthValidator - - // Realm is a string to define realm attribute of BasicAuth. - // Default value "Restricted". - Realm string - } - - // BasicAuthValidator defines a function to validate BasicAuth credentials. - BasicAuthValidator func(string, string, echo.Context) (bool, error) -) - -const ( - basic = "basic" - defaultRealm = "Restricted" -) - -var ( - // DefaultBasicAuthConfig is the default BasicAuth middleware config. - DefaultBasicAuthConfig = BasicAuthConfig{ - Skipper: DefaultSkipper, - Realm: defaultRealm, - } -) - -// BasicAuth returns an BasicAuth middleware. -// -// For valid credentials it calls the next handler. -// For missing or invalid credentials, it sends "401 - Unauthorized" response. -func BasicAuth(fn BasicAuthValidator) echo.MiddlewareFunc { - c := DefaultBasicAuthConfig - c.Validator = fn - return BasicAuthWithConfig(c) -} - -// BasicAuthWithConfig returns an BasicAuth middleware with config. -// See `BasicAuth()`. -func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc { - // Defaults - if config.Validator == nil { - panic("echo: basic-auth middleware requires a validator function") - } - if config.Skipper == nil { - config.Skipper = DefaultBasicAuthConfig.Skipper - } - if config.Realm == "" { - config.Realm = defaultRealm - } - - return func(next echo.HandlerFunc) echo.HandlerFunc { - return func(c echo.Context) error { - if config.Skipper(c) { - return next(c) - } - - auth := c.Request().Header.Get(echo.HeaderAuthorization) - l := len(basic) - - if len(auth) > l+1 && strings.ToLower(auth[:l]) == basic { - b, err := base64.StdEncoding.DecodeString(auth[l+1:]) - if err != nil { - return err - } - cred := string(b) - for i := 0; i < len(cred); i++ { - if cred[i] == ':' { - // Verify credentials - valid, err := config.Validator(cred[:i], cred[i+1:], c) - if err != nil { - return err - } else if valid { - return next(c) - } - break - } - } - } - - realm := defaultRealm - if config.Realm != defaultRealm { - realm = strconv.Quote(config.Realm) - } - - // Need to return `401` for browsers to pop-up login box. - c.Response().Header().Set(echo.HeaderWWWAuthenticate, basic+" realm="+realm) - return echo.ErrUnauthorized - } - } -} |