mirror of
https://codeberg.org/forgejo/forgejo.git
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65f17bfc31
The main purpose is to refactor the legacy `unknwon/com` package. 1. Remove most imports of `unknwon/com`, only `util/legacy.go` imports the legacy `unknwon/com` 2. Use golangci's depguard to process denied packages 3. Fix some incorrect values in golangci.yml, eg, the version should be quoted string `"1.18"` 4. Use correctly escaped content for `go-import` and `go-source` meta tags 5. Refactor `com.Expand` to our stable (and the same fast) `vars.Expand`, our `vars.Expand` can still return partially rendered content even if the template is not good (eg: key mistach).
84 lines
2 KiB
Go
84 lines
2 KiB
Go
// Copyright 2022 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 util
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import (
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"errors"
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"github.com/unknwon/com" //nolint:depguard
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)
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// CopyFile copies file from source to target path.
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func CopyFile(src, dest string) error {
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return com.Copy(src, dest)
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}
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// CopyDir copy files recursively from source to target directory.
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// It returns error when error occurs in underlying functions.
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func CopyDir(srcPath, destPath string) error {
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return com.CopyDir(srcPath, destPath)
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}
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// ToStr converts any interface to string. should be replaced.
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func ToStr(value interface{}, args ...int) string {
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return com.ToStr(value, args...)
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}
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// ToSnakeCase converts a string to snake_case. should be replaced.
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func ToSnakeCase(str string) string {
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return com.ToSnakeCase(str)
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}
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// AESGCMEncrypt (from legacy package): encrypts plaintext with the given key using AES in GCM mode. should be replaced.
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func AESGCMEncrypt(key, plaintext []byte) ([]byte, error) {
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block, err := aes.NewCipher(key)
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if err != nil {
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return nil, err
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}
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gcm, err := cipher.NewGCM(block)
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if err != nil {
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return nil, err
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}
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nonce := make([]byte, gcm.NonceSize())
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if _, err := rand.Read(nonce); err != nil {
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return nil, err
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}
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ciphertext := gcm.Seal(nil, nonce, plaintext, nil)
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return append(nonce, ciphertext...), nil
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}
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// AESGCMDecrypt (from legacy package): decrypts ciphertext with the given key using AES in GCM mode. should be replaced.
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func AESGCMDecrypt(key, ciphertext []byte) ([]byte, error) {
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block, err := aes.NewCipher(key)
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if err != nil {
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return nil, err
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}
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gcm, err := cipher.NewGCM(block)
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if err != nil {
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return nil, err
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}
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size := gcm.NonceSize()
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if len(ciphertext)-size <= 0 {
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return nil, errors.New("ciphertext is empty")
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}
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nonce := ciphertext[:size]
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ciphertext = ciphertext[size:]
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plainText, err := gcm.Open(nil, nonce, ciphertext, nil)
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if err != nil {
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return nil, err
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}
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return plainText, nil
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}
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