lfs: implement HTTP routes (#6035)

* Bootstrap with GORM

* Fix lint error

* Set conn max lifetime to one minute

* Fallback to use gorm v1

* Define HTTP routes

* Finish authentication

* Save token updated

* Add docstring

* Finish authorization

* serveBatch rundown

* Define types in lfsutil

* Finish Batch

* authutil

* Finish basic

* Formalize response error

* Fix lint errors

* authutil: add tests

* dbutil: add tests

* lfsutil: add tests

* strutil: add tests

* Formalize 401 response

1 files changed, 38 insertions, 0 deletions

diff --git a/internal/db/repos.go b/internal/db/repos.go
new file mode 100644
index 00000000..bcab7dbd
--- /dev/null
+++ b/internal/db/repos.go
@@ -0,0 +1,38 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package db
+
+import (
+	"strings"
+
+	"github.com/jinzhu/gorm"
+)
+
+// ReposStore is the persistent interface for repositories.
+//
+// NOTE: All methods are sorted in alphabetical order.
+type ReposStore interface {
+	// GetByName returns the repository with given owner and name.
+	// It returns ErrRepoNotExist when not found.
+	GetByName(ownerID int64, name string) (*Repository, error)
+}
+
+var Repos ReposStore
+
+type repos struct {
+	*gorm.DB
+}
+
+func (db *repos) GetByName(ownerID int64, name string) (*Repository, error) {
+	repo := new(Repository)
+	err := db.Where("owner_id = ? AND lower_name = ?", ownerID, strings.ToLower(name)).First(repo).Error
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, ErrRepoNotExist{args: map[string]interface{}{"ownerID": ownerID, "name": name}}
+		}
+		return nil, err
+	}
+	return repo, nil
+}