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