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-rw-r--r--services/attachment/attachment.go80
1 files changed, 80 insertions, 0 deletions
diff --git a/services/attachment/attachment.go b/services/attachment/attachment.go
new file mode 100644
index 0000000..c911945
--- /dev/null
+++ b/services/attachment/attachment.go
@@ -0,0 +1,80 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package attachment
+
+import (
+ "bytes"
+ "context"
+ "fmt"
+ "io"
+
+ "code.gitea.io/gitea/models/db"
+ repo_model "code.gitea.io/gitea/models/repo"
+ "code.gitea.io/gitea/modules/storage"
+ "code.gitea.io/gitea/modules/util"
+ "code.gitea.io/gitea/modules/validation"
+ "code.gitea.io/gitea/services/context/upload"
+
+ "github.com/google/uuid"
+)
+
+// NewAttachment creates a new attachment object, but do not verify.
+func NewAttachment(ctx context.Context, attach *repo_model.Attachment, file io.Reader, size int64) (*repo_model.Attachment, error) {
+ if attach.RepoID == 0 {
+ return nil, fmt.Errorf("attachment %s should belong to a repository", attach.Name)
+ }
+
+ err := db.WithTx(ctx, func(ctx context.Context) error {
+ attach.UUID = uuid.New().String()
+ size, err := storage.Attachments.Save(attach.RelativePath(), file, size)
+ if err != nil {
+ return fmt.Errorf("Create: %w", err)
+ }
+ attach.Size = size
+
+ eng := db.GetEngine(ctx)
+ if attach.NoAutoTime {
+ eng.NoAutoTime()
+ }
+ _, err = eng.Insert(attach)
+ return err
+ })
+
+ return attach, err
+}
+
+func NewExternalAttachment(ctx context.Context, attach *repo_model.Attachment) (*repo_model.Attachment, error) {
+ if attach.RepoID == 0 {
+ return nil, fmt.Errorf("attachment %s should belong to a repository", attach.Name)
+ }
+ if attach.ExternalURL == "" {
+ return nil, fmt.Errorf("attachment %s should have a external url", attach.Name)
+ }
+ if !validation.IsValidExternalURL(attach.ExternalURL) {
+ return nil, repo_model.ErrInvalidExternalURL{ExternalURL: attach.ExternalURL}
+ }
+
+ attach.UUID = uuid.New().String()
+
+ eng := db.GetEngine(ctx)
+ if attach.NoAutoTime {
+ eng.NoAutoTime()
+ }
+ _, err := eng.Insert(attach)
+
+ return attach, err
+}
+
+// UploadAttachment upload new attachment into storage and update database
+func UploadAttachment(ctx context.Context, file io.Reader, allowedTypes string, fileSize int64, attach *repo_model.Attachment) (*repo_model.Attachment, error) {
+ buf := make([]byte, 1024)
+ n, _ := util.ReadAtMost(file, buf)
+ buf = buf[:n]
+
+ if err := upload.Verify(buf, attach.Name, allowedTypes); err != nil {
+ return nil, err
+ }
+
+ return NewAttachment(ctx, attach, io.MultiReader(bytes.NewReader(buf), file), fileSize)
+}