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Adds IgnoreBase parameter to static middleware

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Adds IgnoreBase parameter to static middleware to support the use case of nested route groups
This commit is contained in:
Nenad Lukic 2020-11-30 19:06:00 +01:00
parent 502cce28d5
commit 3206527cfe
3 changed files with 39 additions and 0 deletions
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1
_fixture/_fixture/README.md Normal file
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@ -0,0 +1 @@
This directory is used for the static middleware test

15
middleware/static.go
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@ -36,6 +36,12 @@ type (
// Enable directory browsing.
// Optional. Default value false.
Browse bool `yaml:"browse"`
// Enable ignoring of the base of the URL path.
// Example: when assigning a static middleware to a non root path group,
// the filesystem path is not doubled
// Optional. Default value false.
IgnoreBase bool `yaml:"ignoreBase"`
}
)
@ -163,6 +169,15 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
}
name := filepath.Join(config.Root, path.Clean("/"+p)) // "/"+ for security
if config.IgnoreBase {
routePath := path.Base(strings.TrimRight(c.Path(), "/*"))
baseURLPath := path.Base(p)
if baseURLPath == routePath {
i := strings.LastIndex(name, routePath)
name = name[:i] + strings.Replace(name[i:], routePath, "", 1)
}
}
fi, err := os.Stat(name)
if err != nil {
if os.IsNotExist(err) {

23
middleware/static_test.go
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@ -67,4 +67,27 @@ func TestStatic(t *testing.T) {
assert.Equal(http.StatusOK, rec.Code)
assert.Contains(rec.Body.String(), "cert.pem")
}
// IgnoreBase
req = httptest.NewRequest(http.MethodGet, "/_fixture", nil)
rec = httptest.NewRecorder()
config.Root = "../_fixture"
config.IgnoreBase = true
static = StaticWithConfig(config)
c.Echo().Group("_fixture", static)
e.ServeHTTP(rec, req)
assert.Equal(http.StatusOK, rec.Code)
assert.Equal(rec.Header().Get(echo.HeaderContentLength), "122")
req = httptest.NewRequest(http.MethodGet, "/_fixture", nil)
rec = httptest.NewRecorder()
config.Root = "../_fixture"
config.IgnoreBase = false
static = StaticWithConfig(config)
c.Echo().Group("_fixture", static)
e.ServeHTTP(rec, req)
assert.Equal(http.StatusOK, rec.Code)
assert.Contains(rec.Body.String(), "..\\_fixture\\_fixture")
}