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	During the recent hash algorithm change it became clear that the choice of password hash algorithm plays a role in the time taken for CI to run. Therefore as attempt to improve CI we should consider using a dummy hashing algorithm instead of a real hashing algorithm. This PR creates a dummy algorithm which is then set as the default hashing algorithm during tests that use the fixtures. This hopefully will cause a reduction in the time it takes for CI to run. --------- Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
		
			
				
	
	
		
			68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package hash
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import (
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	"encoding/hex"
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	"strings"
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	"code.gitea.io/gitea/modules/log"
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	"golang.org/x/crypto/scrypt"
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)
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func init() {
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	MustRegister("scrypt", NewScryptHasher)
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}
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// ScryptHasher implements PasswordHasher
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// and uses the scrypt key derivation function.
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type ScryptHasher struct {
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	n, r, p, keyLen int
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}
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// HashWithSaltBytes a provided password and salt
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func (hasher *ScryptHasher) HashWithSaltBytes(password string, salt []byte) string {
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	if hasher == nil {
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		return ""
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	}
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	hashedPassword, _ := scrypt.Key([]byte(password), salt, hasher.n, hasher.r, hasher.p, hasher.keyLen)
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	return hex.EncodeToString(hashedPassword)
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}
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// NewScryptHasher is a factory method to create an ScryptHasher
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// The provided config should be either empty or of the form:
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// "<n>$<r>$<p>$<keyLen>", where <x> is the string representation
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// of an integer
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func NewScryptHasher(config string) *ScryptHasher {
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	// This matches the original configuration for `scrypt` prior to storing hash parameters
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	// in the database.
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	// THESE VALUES MUST NOT BE CHANGED OR BACKWARDS COMPATIBILITY WILL BREAK
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	hasher := &ScryptHasher{
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		n:      1 << 16,
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		r:      16,
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		p:      2, // 2 passes through memory - this default config will use 128MiB in total.
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		keyLen: 50,
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	}
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	if config == "" {
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		return hasher
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	}
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	vals := strings.SplitN(config, "$", 4)
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	if len(vals) != 4 {
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		log.Error("invalid scrypt hash spec %s", config)
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		return nil
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	}
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	var err error
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	hasher.n, err = parseIntParam(vals[0], "n", "scrypt", config, nil)
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	hasher.r, err = parseIntParam(vals[1], "r", "scrypt", config, err)
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	hasher.p, err = parseIntParam(vals[2], "p", "scrypt", config, err)
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	hasher.keyLen, err = parseIntParam(vals[3], "keyLen", "scrypt", config, err)
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	if err != nil {
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		return nil
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	}
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	return hasher
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}
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