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* refactor: simplify io code and make utils module independent * fix(docker): agent and socket-proxy docker event flushing with modified reverse proxy handler * refactor: remove unused code * refactor: remove the use of logging module in most code * refactor: streamline domain mismatch check in certState function * tweak: use ecdsa p-256 for autocert * fix(tests): update health check tests for invalid host and add case for port in host * feat(acme): custom acme directory * refactor: code refactor and improved context and error handling * tweak: optimize memory usage under load * fix(oidc): restore old user matching behavior * docs: add ChatGPT assistant to README --------- Co-authored-by: yusing <yusing@6uo.me>
102 lines
1.9 KiB
Go
102 lines
1.9 KiB
Go
package accesslog
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"sync"
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"github.com/rs/zerolog/log"
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"github.com/yusing/go-proxy/internal/utils"
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)
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type File struct {
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f *os.File
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// os.File.Name() may not equal to key of `openedFiles`.
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// Store it for later delete from `openedFiles`.
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path string
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refCount *utils.RefCount
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}
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var (
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openedFiles = make(map[string]*File)
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openedFilesMu sync.Mutex
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)
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func newFileIO(path string) (SupportRotate, error) {
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openedFilesMu.Lock()
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defer openedFilesMu.Unlock()
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var file *File
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path = filepath.Clean(path)
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if opened, ok := openedFiles[path]; ok {
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opened.refCount.Add()
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return opened, nil
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}
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// cannot open as O_APPEND as we need Seek and WriteAt
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f, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR, 0o644)
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if err != nil {
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return nil, fmt.Errorf("access log open error: %w", err)
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}
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if _, err := f.Seek(0, io.SeekEnd); err != nil {
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return nil, fmt.Errorf("access log seek error: %w", err)
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}
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file = &File{f: f, path: path, refCount: utils.NewRefCounter()}
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openedFiles[path] = file
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go file.closeOnZero()
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return file, nil
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}
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func (f *File) Name() string {
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return f.f.Name()
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}
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func (f *File) Write(p []byte) (n int, err error) {
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return f.f.Write(p)
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}
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func (f *File) ReadAt(p []byte, off int64) (n int, err error) {
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return f.f.ReadAt(p, off)
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}
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func (f *File) WriteAt(p []byte, off int64) (n int, err error) {
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return f.f.WriteAt(p, off)
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}
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func (f *File) Seek(offset int64, whence int) (int64, error) {
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return f.f.Seek(offset, whence)
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}
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func (f *File) Size() (int64, error) {
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stat, err := f.f.Stat()
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if err != nil {
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return 0, err
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}
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return stat.Size(), nil
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}
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func (f *File) Truncate(size int64) error {
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return f.f.Truncate(size)
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}
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func (f *File) Close() error {
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f.refCount.Sub()
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return nil
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}
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func (f *File) closeOnZero() {
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defer log.Debug().
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Str("path", f.path).
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Msg("access log closed")
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<-f.refCount.Zero()
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openedFilesMu.Lock()
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delete(openedFiles, f.path)
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openedFilesMu.Unlock()
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f.f.Close()
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}
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