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Provide the ability to set password hash algorithm parameters (#22942) (#22943)

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Backport #22942

This PR refactors and improves the password hashing code within gitea
and makes it possible for server administrators to set the password
hashing parameters

In addition it takes the opportunity to adjust the settings for `pbkdf2`
in order to make the hashing a little stronger.

The majority of this work was inspired by PR #14751 and I would like to
thank @boppy for their work on this.

Thanks to @gusted for the suggestion to adjust the `pbkdf2` hashing
parameters.

Close #14751

---------

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
zeripath 2023-02-19 07:35:52 +00:00 • committed by GitHub
parent b2e58edd74
commit c702e7995d
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25 changed files with 805 additions and 151 deletions
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10
modules/setting/setting.go
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@ -21,6 +21,7 @@ import (
"text/template"
"time"
"code.gitea.io/gitea/modules/auth/password/hash"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/generate"
"code.gitea.io/gitea/modules/json"
@ -964,7 +965,14 @@ func loadFromConf(allowEmpty bool, extraConfig string) {
DisableGitHooks = sec.Key("DISABLE_GIT_HOOKS").MustBool(true)
DisableWebhooks = sec.Key("DISABLE_WEBHOOKS").MustBool(false)
OnlyAllowPushIfGiteaEnvironmentSet = sec.Key("ONLY_ALLOW_PUSH_IF_GITEA_ENVIRONMENT_SET").MustBool(true)
PasswordHashAlgo = sec.Key("PASSWORD_HASH_ALGO").MustString("pbkdf2")
// Ensure that the provided default hash algorithm is a valid hash algorithm
var algorithm *hash.PasswordHashAlgorithm
PasswordHashAlgo, algorithm = hash.SetDefaultPasswordHashAlgorithm(sec.Key("PASSWORD_HASH_ALGO").MustString(""))
if algorithm == nil {
log.Fatal("The provided password hash algorithm was invalid: %s", sec.Key("PASSWORD_HASH_ALGO").MustString(""))
}
CSRFCookieHTTPOnly = sec.Key("CSRF_COOKIE_HTTP_ONLY").MustBool(true)
PasswordCheckPwn = sec.Key("PASSWORD_CHECK_PWN").MustBool(false)
SuccessfulTokensCacheSize = sec.Key("SUCCESSFUL_TOKENS_CACHE_SIZE").MustInt(20)