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// 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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