Allow multiple files in generic packages

docs/content/doc/packages/generic.en-us.md

@@ -27,7 +27,7 @@ To authenticate to the Package Registry, you need to provide [custom HTTP header
 ## Publish a package
 
 To publish a generic package perform a HTTP PUT operation with the package content in the request body.
-You cannot publish a package if a package of the same name and version already exists. You must delete the existing package first.
+You cannot publish a file with the same name twice to a package. You must delete the existing package version first.
 
 ```
 PUT https://gitea.example.com/api/packages/{owner}/generic/{package_name}/{package_version}/{file_name}
@@ -55,7 +55,8 @@ The server reponds with the following HTTP Status codes.
 | HTTP Status Code  | Meaning |
 | ----------------- | ------- |
 | `201 Created`     | The package has been published. |
-| `400 Bad Request` | The package name and/or version are invalid or a package with the same name and version already exist. |
+| `400 Bad Request` | The package name and/or version and/or file name are invalid. |
+| `409 Conflict`    | A file with the same name exist already in the package. |
 
 ## Download a package
 
@@ -80,3 +81,66 @@ Example request using HTTP Basic authentication:
 curl --user your_username:your_token_or_password \
      https://gitea.example.com/api/packages/testuser/generic/test_package/1.0.0/file.bin
 ```
+
+The server reponds with the following HTTP Status codes.
+
+| HTTP Status Code  | Meaning |
+| ----------------- | ------- |
+| `200 OK`          | Success |
+| `404 Not Found`   | The package or file was not found. |
+
+## Delete a package
+
+To delete a generic package perform a HTTP DELETE operation. This will delete all files of this version.
+
+```
+DELETE https://gitea.example.com/api/packages/{owner}/generic/{package_name}/{package_version}
+```
+
+| Parameter         | Description |
+| ----------------- | ----------- |
+| `owner`           | The owner of the package. |
+| `package_name`    | The package name. |
+| `package_version` | The package version. |
+
+Example request using HTTP Basic authentication:
+
+```shell
+curl --user your_username:your_token_or_password -X DELETE \
+     https://gitea.example.com/api/packages/testuser/generic/test_package/1.0.0
+```
+
+The server reponds with the following HTTP Status codes.
+
+| HTTP Status Code  | Meaning |
+| ----------------- | ------- |
+| `204 No Content`  | Success |
+| `404 Not Found`   | The package was not found. |
+
+## Delete a package file
+
+To delete a file of a generic package perform a HTTP DELETE operation. This will delete the package version too if there is no file left.
+```
+DELETE https://gitea.example.com/api/packages/{owner}/generic/{package_name}/{package_version}/{filename}
+```
+
+| Parameter         | Description |
+| ----------------- | ----------- |
+| `owner`           | The owner of the package. |
+| `package_name`    | The package name. |
+| `package_version` | The package version. |
+| `filename`        | The filename. |
+
+Example request using HTTP Basic authentication:
+
+```shell
+curl --user your_username:your_token_or_password -X DELETE \
+     https://gitea.example.com/api/packages/testuser/generic/test_package/1.0.0/file.bin
+```
+
+The server reponds with the following HTTP Status codes.
+
+| HTTP Status Code  | Meaning |
+| ----------------- | ------- |
+| `204 No Content`  | Success |
+| `404 Not Found`   | The package or file was not found. |

integrations/api_packages_generic_test.go

@@ -27,12 +27,12 @@ func TestPackageGeneric(t *testing.T) {
 	filename := "fi-le_na.me"
 	content := []byte{1, 2, 3}
 
-	url := fmt.Sprintf("/api/packages/%s/generic/%s/%s/%s", user.Name, packageName, packageVersion, filename)
+	url := fmt.Sprintf("/api/packages/%s/generic/%s/%s", user.Name, packageName, packageVersion)
 
 	t.Run("Upload", func(t *testing.T) {
 		defer PrintCurrentTest(t)()
 
-		req := NewRequestWithBody(t, "PUT", url, bytes.NewReader(content))
+		req := NewRequestWithBody(t, "PUT", url+"/"+filename, bytes.NewReader(content))
 		AddBasicAuthHeader(req, user.Name)
 		MakeRequest(t, req, http.StatusCreated)
 
@@ -55,54 +55,123 @@ func TestPackageGeneric(t *testing.T) {
 		pb, err := packages.GetBlobByID(db.DefaultContext, pfs[0].BlobID)
 		assert.NoError(t, err)
 		assert.Equal(t, int64(len(content)), pb.Size)
-	})
 
-	t.Run("UploadExists", func(t *testing.T) {
-		defer PrintCurrentTest(t)()
+		t.Run("Exists", func(t *testing.T) {
+			defer PrintCurrentTest(t)()
 
-		req := NewRequestWithBody(t, "PUT", url, bytes.NewReader(content))
-		AddBasicAuthHeader(req, user.Name)
-		MakeRequest(t, req, http.StatusBadRequest)
+			req := NewRequestWithBody(t, "PUT", url+"/"+filename, bytes.NewReader(content))
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusConflict)
+		})
+
+		t.Run("Additional", func(t *testing.T) {
+			defer PrintCurrentTest(t)()
+
+			req := NewRequestWithBody(t, "PUT", url+"/dummy.bin", bytes.NewReader(content))
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusCreated)
+
+			// Check deduplication
+			pfs, err := packages.GetFilesByVersionID(db.DefaultContext, pvs[0].ID)
+			assert.NoError(t, err)
+			assert.Len(t, pfs, 2)
+			assert.Equal(t, pfs[0].BlobID, pfs[1].BlobID)
+		})
 	})
 
 	t.Run("Download", func(t *testing.T) {
 		defer PrintCurrentTest(t)()
 
-		req := NewRequest(t, "GET", url)
+		checkDownloadCount := func(count int64) {
+			pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
+			assert.NoError(t, err)
+			assert.Len(t, pvs, 1)
+			assert.Equal(t, count, pvs[0].DownloadCount)
+		}
+
+		checkDownloadCount(0)
+
+		req := NewRequest(t, "GET", url+"/"+filename)
 		resp := MakeRequest(t, req, http.StatusOK)
 
 		assert.Equal(t, content, resp.Body.Bytes())
 
-		pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
-		assert.NoError(t, err)
-		assert.Len(t, pvs, 1)
-		assert.Equal(t, int64(1), pvs[0].DownloadCount)
-	})
-
-	t.Run("Delete", func(t *testing.T) {
-		defer PrintCurrentTest(t)()
+		checkDownloadCount(1)
 
-		req := NewRequest(t, "DELETE", url)
-		AddBasicAuthHeader(req, user.Name)
+		req = NewRequest(t, "GET", url+"/dummy.bin")
 		MakeRequest(t, req, http.StatusOK)
 
-		pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
-		assert.NoError(t, err)
-		assert.Empty(t, pvs)
-	})
+		checkDownloadCount(2)
 
-	t.Run("DownloadNotExists", func(t *testing.T) {
-		defer PrintCurrentTest(t)()
+		t.Run("NotExists", func(t *testing.T) {
+			defer PrintCurrentTest(t)()
 
-		req := NewRequest(t, "GET", url)
-		MakeRequest(t, req, http.StatusNotFound)
+			req := NewRequest(t, "GET", url+"/not.found")
+			MakeRequest(t, req, http.StatusNotFound)
+		})
 	})
 
-	t.Run("DeleteNotExists", func(t *testing.T) {
+	t.Run("Delete", func(t *testing.T) {
 		defer PrintCurrentTest(t)()
 
-		req := NewRequest(t, "DELETE", url)
-		AddBasicAuthHeader(req, user.Name)
-		MakeRequest(t, req, http.StatusNotFound)
+		t.Run("File", func(t *testing.T) {
+			defer PrintCurrentTest(t)()
+
+			req := NewRequest(t, "DELETE", url+"/"+filename)
+			MakeRequest(t, req, http.StatusUnauthorized)
+
+			req = NewRequest(t, "DELETE", url+"/"+filename)
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusNoContent)
+
+			req = NewRequest(t, "GET", url+"/"+filename)
+			MakeRequest(t, req, http.StatusNotFound)
+
+			req = NewRequest(t, "DELETE", url+"/"+filename)
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusNotFound)
+
+			pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
+			assert.NoError(t, err)
+			assert.Len(t, pvs, 1)
+
+			t.Run("RemovesVersion", func(t *testing.T) {
+				defer PrintCurrentTest(t)()
+
+				req = NewRequest(t, "DELETE", url+"/dummy.bin")
+				AddBasicAuthHeader(req, user.Name)
+				MakeRequest(t, req, http.StatusNoContent)
+
+				pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
+				assert.NoError(t, err)
+				assert.Empty(t, pvs)
+			})
+		})
+
+		t.Run("Version", func(t *testing.T) {
+			defer PrintCurrentTest(t)()
+
+			req := NewRequestWithBody(t, "PUT", url+"/"+filename, bytes.NewReader(content))
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusCreated)
+
+			req = NewRequest(t, "DELETE", url)
+			MakeRequest(t, req, http.StatusUnauthorized)
+
+			req = NewRequest(t, "DELETE", url)
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusNoContent)
+
+			pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypeGeneric)
+			assert.NoError(t, err)
+			assert.Empty(t, pvs)
+
+			req = NewRequest(t, "GET", url+"/"+filename)
+			MakeRequest(t, req, http.StatusNotFound)
+
+			req = NewRequest(t, "DELETE", url)
+			AddBasicAuthHeader(req, user.Name)
+			MakeRequest(t, req, http.StatusNotFound)
+		})
 	})
 }

routers/api/packages/api.go

@@ -155,12 +155,15 @@ func Routes() *web.Route {
 			})
 		})
 		r.Group("/generic", func() {
-			r.Group("/{packagename}/{packageversion}/{filename}", func() {
-				r.Get("", generic.DownloadPackageFile)
-				r.Group("", func() {
-					r.Put("", generic.UploadPackage)
-					r.Delete("", generic.DeletePackage)
-				}, reqPackageAccess(perm.AccessModeWrite))
+			r.Group("/{packagename}/{packageversion}", func() {
+				r.Delete("", reqPackageAccess(perm.AccessModeWrite), generic.DeletePackage)
+				r.Group("/{filename}", func() {
+					r.Get("", generic.DownloadPackageFile)
+					r.Group("", func() {
+						r.Put("", generic.UploadPackage)
+						r.Delete("", generic.DeletePackageFile)
+					}, reqPackageAccess(perm.AccessModeWrite))
+				})
 			})
 		})
 		r.Group("/helm", func() {