Restrict permission check on repositories and fix some problems (#5314)

* fix units permission problems

* fix some bugs and merge LoadUnits to repoAssignment

* refactor permission struct and add some copyright heads

* remove unused codes

* fix routes units check

* improve permission check

* add unit tests for permission

* fix typo

* fix tests

* fix some routes

* fix api permission check

* improve permission check

* fix some permission check

* fix tests

* fix tests

* improve some permission check

* fix some permission check

* refactor AccessLevel

* fix bug

* fix tests

* fix tests

* fix tests

* fix AccessLevel

* rename CanAccess

* fix tests

* fix comment

* fix bug

* add missing unit for test repos

* fix bug

* rename some functions

* fix routes check

1 files changed, 6 insertions, 14 deletions

diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index bf6346eebd..6d8125a77f 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -1,4 +1,5 @@
 // Copyright 2014 The Gogs Authors. All rights reserved.
+// Copyright 2018 The Gitea Authors. All rights reserved.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
 
@@ -183,11 +184,6 @@ func Search(ctx *context.APIContext) {
 		return
 	}
 
-	var userID int64
-	if ctx.IsSigned {
-		userID = ctx.User.ID
-	}
-
 	results := make([]*api.Repository, len(repos))
 	for i, repo := range repos {
 		if err = repo.GetOwner(); err != nil {
@@ -197,7 +193,7 @@ func Search(ctx *context.APIContext) {
 			})
 			return
 		}
-		accessMode, err := models.AccessLevel(userID, repo)
+		accessMode, err := models.AccessLevel(ctx.User, repo)
 		if err != nil {
 			ctx.JSON(500, api.SearchError{
 				OK:    false,
@@ -469,15 +465,15 @@ func GetByID(ctx *context.APIContext) {
 		return
 	}
 
-	access, err := models.AccessLevel(ctx.User.ID, repo)
+	perm, err := models.GetUserRepoPermission(repo, ctx.User)
 	if err != nil {
 		ctx.Error(500, "AccessLevel", err)
 		return
-	} else if access < models.AccessModeRead {
+	} else if !perm.HasAccess() {
 		ctx.Status(404)
 		return
 	}
-	ctx.JSON(200, repo.APIFormat(access))
+	ctx.JSON(200, repo.APIFormat(perm.AccessMode))
 }
 
 // Delete one repository
@@ -503,10 +499,6 @@ func Delete(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	//   "403":
 	//     "$ref": "#/responses/forbidden"
-	if !ctx.Repo.IsAdmin() {
-		ctx.Error(403, "", "Must have admin rights")
-		return
-	}
 	owner := ctx.Repo.Owner
 	repo := ctx.Repo.Repository
 
@@ -553,7 +545,7 @@ func MirrorSync(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	repo := ctx.Repo.Repository
 
-	if !ctx.Repo.IsWriter() {
+	if !ctx.Repo.CanWrite(models.UnitTypeCode) {
 		ctx.Error(403, "MirrorSync", "Must have write access")
 	}