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103 lines
2.2 KiB
103 lines
2.2 KiB
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"bytes"
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"encoding/base64"
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"io"
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"io/ioutil"
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"gopkg.in/src-d/go-git.v4/plumbing"
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)
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// Blob represents a Git object.
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type Blob struct {
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ID SHA1
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gogitEncodedObj plumbing.EncodedObject
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name string
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}
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// DataAsync gets a ReadCloser for the contents of a blob without reading it all.
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// Calling the Close function on the result will discard all unread output.
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func (b *Blob) DataAsync() (io.ReadCloser, error) {
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return b.gogitEncodedObj.Reader()
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}
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// Size returns the uncompressed size of the blob
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func (b *Blob) Size() int64 {
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return b.gogitEncodedObj.Size()
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}
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// Name returns name of the tree entry this blob object was created from (or empty string)
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func (b *Blob) Name() string {
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return b.name
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}
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// GetBlobContent Gets the content of the blob as raw text
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func (b *Blob) GetBlobContent() (string, error) {
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dataRc, err := b.DataAsync()
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if err != nil {
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return "", err
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}
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defer dataRc.Close()
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buf := make([]byte, 1024)
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n, _ := dataRc.Read(buf)
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buf = buf[:n]
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return string(buf), nil
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}
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// GetBlobLineCount gets line count of lob as raw text
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func (b *Blob) GetBlobLineCount() (int, error) {
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reader, err := b.DataAsync()
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if err != nil {
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return 0, err
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}
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defer reader.Close()
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buf := make([]byte, 32*1024)
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count := 0
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lineSep := []byte{'\n'}
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for {
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c, err := reader.Read(buf)
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count += bytes.Count(buf[:c], lineSep)
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switch {
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case err == io.EOF:
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return count, nil
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case err != nil:
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return count, err
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}
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}
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}
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// GetBlobContentBase64 Reads the content of the blob with a base64 encode and returns the encoded string
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func (b *Blob) GetBlobContentBase64() (string, error) {
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dataRc, err := b.DataAsync()
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if err != nil {
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return "", err
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}
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defer dataRc.Close()
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pr, pw := io.Pipe()
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encoder := base64.NewEncoder(base64.StdEncoding, pw)
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go func() {
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_, err := io.Copy(encoder, dataRc)
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_ = encoder.Close()
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if err != nil {
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_ = pw.CloseWithError(err)
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} else {
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_ = pw.Close()
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}
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}()
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out, err := ioutil.ReadAll(pr)
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if err != nil {
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return "", err
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}
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return string(out), nil
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}
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