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Go's semantic import versioning requires v2+ modules to include the major version in the module path. This enables using proper version tags (v3.x.x) instead of pseudo-versions. Updated module path: code.gitcaddy.com/server/v3
94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package attachment
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"net/http"
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"code.gitcaddy.com/server/v3/models/db"
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repo_model "code.gitcaddy.com/server/v3/models/repo"
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"code.gitcaddy.com/server/v3/modules/setting"
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"code.gitcaddy.com/server/v3/modules/storage"
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"code.gitcaddy.com/server/v3/modules/util"
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"code.gitcaddy.com/server/v3/services/context/upload"
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"github.com/google/uuid"
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)
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// NewAttachment creates a new attachment object, but do not verify.
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func NewAttachment(ctx context.Context, attach *repo_model.Attachment, file io.Reader, size int64) (*repo_model.Attachment, error) {
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if attach.RepoID == 0 {
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return nil, fmt.Errorf("attachment %s should belong to a repository", attach.Name)
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}
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err := db.WithTx(ctx, func(ctx context.Context) error {
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attach.UUID = uuid.New().String()
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size, err := storage.Attachments.Save(attach.RelativePath(), file, size)
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if err != nil {
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return fmt.Errorf("Attachments.Save: %w", err)
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}
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attach.Size = size
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return db.Insert(ctx, attach)
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})
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return attach, err
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}
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type UploaderFile struct {
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rd io.ReadCloser
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size int64
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respWriter http.ResponseWriter
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}
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func NewLimitedUploaderKnownSize(r io.Reader, size int64) *UploaderFile {
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return &UploaderFile{rd: io.NopCloser(r), size: size}
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}
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func NewLimitedUploaderMaxBytesReader(r io.ReadCloser, w http.ResponseWriter) *UploaderFile {
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return &UploaderFile{rd: r, size: -1, respWriter: w}
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}
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func UploadAttachmentGeneralSizeLimit(ctx context.Context, file *UploaderFile, allowedTypes string, attach *repo_model.Attachment) (*repo_model.Attachment, error) {
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return uploadAttachment(ctx, file, allowedTypes, setting.Attachment.MaxSize<<20, attach)
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}
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func uploadAttachment(ctx context.Context, file *UploaderFile, allowedTypes string, maxFileSize int64, attach *repo_model.Attachment) (*repo_model.Attachment, error) {
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src := file.rd
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if file.size < 0 {
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src = http.MaxBytesReader(file.respWriter, src, maxFileSize)
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}
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buf := make([]byte, 1024)
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n, _ := util.ReadAtMost(src, buf)
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buf = buf[:n]
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if err := upload.Verify(buf, attach.Name, allowedTypes); err != nil {
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return nil, err
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}
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if maxFileSize >= 0 && file.size > maxFileSize {
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return nil, util.ErrorWrap(util.ErrContentTooLarge, "attachment exceeds limit %d", maxFileSize)
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}
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attach, err := NewAttachment(ctx, attach, io.MultiReader(bytes.NewReader(buf), src), file.size)
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var maxBytesError *http.MaxBytesError
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if errors.As(err, &maxBytesError) {
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return nil, util.ErrorWrap(util.ErrContentTooLarge, "attachment exceeds limit %d", maxFileSize)
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}
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return attach, err
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}
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// UpdateAttachment updates an attachment, verifying that its name is among the allowed types.
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func UpdateAttachment(ctx context.Context, allowedTypes string, attach *repo_model.Attachment) error {
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if err := upload.Verify(nil, attach.Name, allowedTypes); err != nil {
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return err
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}
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return repo_model.UpdateAttachment(ctx, attach)
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}
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