[#275] added support to customize the default user email templates from the Admin UI

tools/rest/url.go

@@ -0,0 +1,29 @@
+package rest
+
+import (
+	"net/url"
+	"path"
+	"strings"
+)
+
+// NormalizeUrl removes duplicated slashes from a url path.
+func NormalizeUrl(originalUrl string) (string, error) {
+	u, err := url.Parse(originalUrl)
+	if err != nil {
+		return "", err
+	}
+
+	hasSlash := strings.HasSuffix(u.Path, "/")
+
+	// clean up path by removing duplicated /
+	u.Path = path.Clean(u.Path)
+	u.RawPath = path.Clean(u.RawPath)
+
+	// restore original trailing slash
+	if hasSlash && !strings.HasSuffix(u.Path, "/") {
+		u.Path += "/"
+		u.RawPath += "/"
+	}
+
+	return u.String(), nil
+}

tools/rest/url_test.go

@@ -0,0 +1,40 @@
+package rest_test
+
+import (
+	"testing"
+
+	"github.com/pocketbase/pocketbase/tools/rest"
+)
+
+func TestNormalizeUrl(t *testing.T) {
+	scenarios := []struct {
+		url         string
+		expectError bool
+		expectUrl   string
+	}{
+		{":/", true, ""},
+		{"./", false, "./"},
+		{"../../test////", false, "../../test/"},
+		{"/a/b/c", false, "/a/b/c"},
+		{"a/////b//c/", false, "a/b/c/"},
+		{"/a/////b//c", false, "/a/b/c"},
+		{"///a/b/c", false, "/a/b/c"},
+		{"//a/b/c", false, "//a/b/c"}, // preserve "auto-schema"
+		{"http://a/b/c", false, "http://a/b/c"},
+		{"a//bc?test=1//dd", false, "a/bc?test=1//dd"},       // only the path is normalized
+		{"a//bc?test=1#12///3", false, "a/bc?test=1#12///3"}, // only the path is normalized
+	}
+
+	for i, s := range scenarios {
+		result, err := rest.NormalizeUrl(s.url)
+
+		hasErr := err != nil
+		if hasErr != s.expectError {
+			t.Errorf("(%d) Expected hasErr %v, got %v", i, s.expectError, hasErr)
+		}
+
+		if result != s.expectUrl {
+			t.Errorf("(%d) Expected url %q, got %q", i, s.expectUrl, result)
+		}
+	}
+}