Do not change the request capitalization

3 files changed, 29 insertions, 11 deletions

diff --git a/internal/source/gitlab/client/testdata/test.gitlab.io.json b/internal/source/gitlab/client/testdata/test.gitlab.io.json
index c094e52a..086123a9 100644
--- a/internal/source/gitlab/client/testdata/test.gitlab.io.json
+++ b/internal/source/gitlab/client/testdata/test.gitlab.io.json
@@ -34,6 +34,17 @@
                 "type": "file",
                 "sha256": "0f8ef3377b30fc47f96b48247f463a726a802f62f3faa03d56403751d2f66c67"
             }
+        },
+        {
+            "access_control": false,
+            "https_only": true,
+            "prefix": "/my/capitalizedprefix/",
+            "project_id": 126,
+            "source": {
+                "path": "some/path/to/project/",
+                "type": "file",
+                "sha256": "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3"
+            }
         }
     ]
 }
diff --git a/internal/source/gitlab/gitlab.go b/internal/source/gitlab/gitlab.go
index 2de113f8..fe175aaf 100644
--- a/internal/source/gitlab/gitlab.go
+++ b/internal/source/gitlab/gitlab.go
@@ -72,18 +72,19 @@ func (g *Gitlab) Resolve(r *http.Request) (*serving.Request, error) {
 		return nil, response.Error
 	}
 
-	urlPath := strings.ToLower(path.Clean(r.URL.Path))
+	urlPath := path.Clean(r.URL.Path)
+	lowerUrlPath := strings.ToLower(urlPath)
 	size := len(response.Domain.LookupPaths)
 
 	for _, lookup := range response.Domain.LookupPaths {
 		lookupPrefix := strings.ToLower(lookup.Prefix)
-		isSubPath := strings.HasPrefix(urlPath, lookupPrefix)
-		isRootPath := urlPath == path.Clean(lookupPrefix)
+		isSubPath := strings.HasPrefix(lowerUrlPath, lookupPrefix)
+		isRootPath := lowerUrlPath == path.Clean(lookupPrefix)
 
 		if isSubPath || isRootPath {
 			subPath := ""
 			if isSubPath {
-				subPath = strings.TrimPrefix(urlPath, lookupPrefix)
+				subPath = urlPath[len(lookupPrefix):]
 			}
 
 			srv, err := g.fabricateServing(lookup)
diff --git a/internal/source/gitlab/gitlab_test.go b/internal/source/gitlab/gitlab_test.go
index d99e88e9..6d5d978a 100644
--- a/internal/source/gitlab/gitlab_test.go
+++ b/internal/source/gitlab/gitlab_test.go
@@ -116,13 +116,19 @@ func TestResolve(t *testing.T) {
 			expectedPath:    "some/path/to/project/",
 			expectedSubPath: "index.html",
 		},
-		"when request path is capitalized": {
-			file:                "client/testdata/test.gitlab.io.json",
-			target:              "https://test.gitlab.io:443/My/Pages/Project/path/index.html",
-			expectedPrefix:      "/my/pages/project/",
-			expectedPath:        "some/path/to/project/",
-			expectedSubPath:     "path/index.html",
-			expectedIsNamespace: false,
+		"when project name requested is capitalized": {
+			file:            "client/testdata/test.gitlab.io.json",
+			target:          "https://test.gitlab.io:443/My/CapitalizedPrefix",
+			expectedPrefix:  "/my/capitalizedprefix/",
+			expectedPath:    "some/path/to/project/",
+			expectedSubPath: "",
+		},
+		"when project name and requested path are capitalized": {
+			file:            "client/testdata/test.gitlab.io.json",
+			target:          "https://test.gitlab.io:443/My/CapitalizedPrefix/Path/Index.html",
+			expectedPrefix:  "/my/capitalizedprefix/",
+			expectedPath:    "some/path/to/project/",
+			expectedSubPath: "Path/Index.html",
 		},
 	}