From e68b9d00a6e05b3a941f63ffb696f91e554ac5ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 services/attachment/attachment.go | 80 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 services/attachment/attachment.go

(limited to 'services/attachment/attachment.go')

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)
+}
-- 
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