mirror of https://github.com/harness/drone.git
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package upload
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import (
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"bufio"
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"context"
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"errors"
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"fmt"
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"io"
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"strings"
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apiauth "github.com/harness/gitness/app/api/auth"
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"github.com/harness/gitness/app/api/usererror"
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"github.com/harness/gitness/app/auth"
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"github.com/harness/gitness/app/auth/authz"
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"github.com/harness/gitness/app/store"
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"github.com/harness/gitness/blob"
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"github.com/harness/gitness/types"
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"github.com/harness/gitness/types/enum"
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"github.com/gabriel-vasile/mimetype"
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)
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const (
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MaxFileSize = 10 << 20 // 10 MB file limit set in Handler
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fileBucketPathFmt = "uploads/%d/%s"
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peekBytes = 512
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)
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var supportedFileTypes = map[string]struct{}{
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"image": {},
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"video": {},
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}
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type Controller struct {
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authorizer authz.Authorizer
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repoStore store.RepoStore
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blobStore blob.Store
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}
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func NewController(authorizer authz.Authorizer,
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repoStore store.RepoStore,
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blobStore blob.Store,
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) *Controller {
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return &Controller{
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authorizer: authorizer,
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repoStore: repoStore,
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blobStore: blobStore,
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}
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}
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func (c *Controller) getRepoCheckAccess(ctx context.Context,
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session *auth.Session,
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repoRef string,
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reqPermission enum.Permission,
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) (*types.Repository, error) {
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if repoRef == "" {
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return nil, usererror.BadRequest("A valid repository reference must be provided.")
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}
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repo, err := c.repoStore.FindByRef(ctx, repoRef)
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if err != nil {
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return nil, fmt.Errorf("failed to find repo: %w", err)
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}
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if err = apiauth.CheckRepo(ctx, c.authorizer, session, repo, reqPermission); err != nil {
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return nil, fmt.Errorf("failed to verify authorization: %w", err)
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}
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return repo, nil
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}
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func (c *Controller) getFileExtension(file *bufio.Reader) (string, error) {
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buf, err := file.Peek(peekBytes)
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if err != nil && !errors.Is(err, io.EOF) {
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return "", fmt.Errorf("failed to read file: %w", err)
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}
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// Example: mType.String() = image/png
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// Splitting on "/" and taking the first element of the slice
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// will give us the file type.
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mType := mimetype.Detect(buf)
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if _, ok := supportedFileTypes[strings.Split(mType.String(), "/")[0]]; !ok {
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return "",
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usererror.BadRequestf(
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"only image and video files are supported, uploaded file is of type %s",
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mType.String())
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}
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return mType.Extension(), nil
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}
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func getFileBucketPath(repoID int64, fileName string) string {
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return fmt.Sprintf(fileBucketPathFmt, repoID, fileName)
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}
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