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author | Wim <wim@42.be> | 2017-02-18 23:00:46 +0100 |
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committer | Wim <wim@42.be> | 2017-02-18 23:11:48 +0100 |
commit | 930b639cc9cd2d2873302f30303378c0e53816a8 (patch) | |
tree | 8cd3f1d464fb5d4e5607fe16255c35a31a9d8b62 /vendor/github.com/labstack/echo/middleware/method_override.go | |
parent | 58483ea70c2c99a352592c5e50686fb03985650e (diff) | |
download | matterbridge-msglm-930b639cc9cd2d2873302f30303378c0e53816a8.tar.gz matterbridge-msglm-930b639cc9cd2d2873302f30303378c0e53816a8.tar.bz2 matterbridge-msglm-930b639cc9cd2d2873302f30303378c0e53816a8.zip |
Update vendor
Diffstat (limited to 'vendor/github.com/labstack/echo/middleware/method_override.go')
-rw-r--r-- | vendor/github.com/labstack/echo/middleware/method_override.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/vendor/github.com/labstack/echo/middleware/method_override.go b/vendor/github.com/labstack/echo/middleware/method_override.go new file mode 100644 index 00000000..955fd11e --- /dev/null +++ b/vendor/github.com/labstack/echo/middleware/method_override.go @@ -0,0 +1,88 @@ +package middleware + +import "github.com/labstack/echo" + +type ( + // MethodOverrideConfig defines the config for MethodOverride middleware. + MethodOverrideConfig struct { + // Skipper defines a function to skip middleware. + Skipper Skipper + + // Getter is a function that gets overridden method from the request. + // Optional. Default values MethodFromHeader(echo.HeaderXHTTPMethodOverride). + Getter MethodOverrideGetter + } + + // MethodOverrideGetter is a function that gets overridden method from the request + MethodOverrideGetter func(echo.Context) string +) + +var ( + // DefaultMethodOverrideConfig is the default MethodOverride middleware config. + DefaultMethodOverrideConfig = MethodOverrideConfig{ + Skipper: DefaultSkipper, + Getter: MethodFromHeader(echo.HeaderXHTTPMethodOverride), + } +) + +// MethodOverride returns a MethodOverride middleware. +// MethodOverride middleware checks for the overridden method from the request and +// uses it instead of the original method. +// +// For security reasons, only `POST` method can be overridden. +func MethodOverride() echo.MiddlewareFunc { + return MethodOverrideWithConfig(DefaultMethodOverrideConfig) +} + +// MethodOverrideWithConfig returns a MethodOverride middleware with config. +// See: `MethodOverride()`. +func MethodOverrideWithConfig(config MethodOverrideConfig) echo.MiddlewareFunc { + // Defaults + if config.Skipper == nil { + config.Skipper = DefaultMethodOverrideConfig.Skipper + } + if config.Getter == nil { + config.Getter = DefaultMethodOverrideConfig.Getter + } + + return func(next echo.HandlerFunc) echo.HandlerFunc { + return func(c echo.Context) error { + if config.Skipper(c) { + return next(c) + } + + req := c.Request() + if req.Method == echo.POST { + m := config.Getter(c) + if m != "" { + req.Method = m + } + } + return next(c) + } + } +} + +// MethodFromHeader is a `MethodOverrideGetter` that gets overridden method from +// the request header. +func MethodFromHeader(header string) MethodOverrideGetter { + return func(c echo.Context) string { + return c.Request().Header.Get(header) + } +} + +// MethodFromForm is a `MethodOverrideGetter` that gets overridden method from the +// form parameter. +func MethodFromForm(param string) MethodOverrideGetter { + return func(c echo.Context) string { + return c.FormValue(param) + } +} + +// MethodFromQuery is a `MethodOverrideGetter` that gets overridden method from +// the query parameter. +func MethodFromQuery(param string) MethodOverrideGetter { + return func(c echo.Context) string { + return c.QueryParam(param) + } +} |