mirror of
https://github.com/go-gitea/gitea.git
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103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
// 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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"code.gitea.io/gitea/modules/typesniffer"
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"code.gitea.io/gitea/modules/util"
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)
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// This file contains common functions between the gogit and !gogit variants for git Blobs
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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, _ := util.ReadAtMost(dataRc, 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 the blob
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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 := 1
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lineSep := []byte{'\n'}
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c, err := reader.Read(buf)
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if c == 0 && err == io.EOF {
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return 0, nil
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}
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for {
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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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c, err = reader.Read(buf)
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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 := io.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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// GuessContentType guesses the content type of the blob.
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func (b *Blob) GuessContentType() (typesniffer.SniffedType, error) {
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r, err := b.DataAsync()
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if err != nil {
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return typesniffer.SniffedType{}, err
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}
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defer r.Close()
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return typesniffer.DetectContentTypeFromReader(r)
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}
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