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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"net/url"
"os"
"strings"
"code.gitea.io/gitea/modules/auth/password/hash"
"code.gitea.io/gitea/modules/generate"
"code.gitea.io/gitea/modules/keying"
"code.gitea.io/gitea/modules/log"
)
var (
// Security settings
InstallLock bool
SecretKey string
InternalToken string // internal access token
LogInRememberDays int
CookieRememberName string
ReverseProxyAuthUser string
ReverseProxyAuthEmail string
ReverseProxyAuthFullName string
ReverseProxyLimit int
ReverseProxyTrustedProxies []string
MinPasswordLength int
ImportLocalPaths bool
DisableGitHooks bool
DisableWebhooks bool
OnlyAllowPushIfGiteaEnvironmentSet bool
PasswordComplexity []string
PasswordHashAlgo string
PasswordCheckPwn bool
SuccessfulTokensCacheSize int
DisableQueryAuthToken bool
CSRFCookieName = "_csrf"
CSRFCookieHTTPOnly = true
)
// loadSecret load the secret from ini by uriKey or verbatimKey, only one of them could be set
// If the secret is loaded from uriKey (file), the file should be non-empty, to guarantee the behavior stable and clear.
func loadSecret(sec ConfigSection, uriKey, verbatimKey string) string {
// don't allow setting both URI and verbatim string
uri := sec.Key(uriKey).String()
verbatim := sec.Key(verbatimKey).String()
if uri != "" && verbatim != "" {
log.Fatal("Cannot specify both %s and %s", uriKey, verbatimKey)
}
// if we have no URI, use verbatim
if uri == "" {
return verbatim
}
tempURI, err := url.Parse(uri)
if err != nil {
log.Fatal("Failed to parse %s (%s): %v", uriKey, uri, err)
}
switch tempURI.Scheme {
case "file":
buf, err := os.ReadFile(tempURI.RequestURI())
if err != nil {
log.Fatal("Failed to read %s (%s): %v", uriKey, tempURI.RequestURI(), err)
}
val := strings.TrimSpace(string(buf))
if val == "" {
// The file shouldn't be empty, otherwise we can not know whether the user has ever set the KEY or KEY_URI
// For example: if INTERNAL_TOKEN_URI=file:///empty-file,
// Then if the token is re-generated during installation and saved to INTERNAL_TOKEN
// Then INTERNAL_TOKEN and INTERNAL_TOKEN_URI both exist, that's a fatal error (they shouldn't)
log.Fatal("Failed to read %s (%s): the file is empty", uriKey, tempURI.RequestURI())
}
return val
// only file URIs are allowed
default:
log.Fatal("Unsupported URI-Scheme %q (%q = %q)", tempURI.Scheme, uriKey, uri)
return ""
}
}
// generateSaveInternalToken generates and saves the internal token to app.ini
func generateSaveInternalToken(rootCfg ConfigProvider) {
token, err := generate.NewInternalToken()
if err != nil {
log.Fatal("Error generate internal token: %v", err)
}
InternalToken = token
saveCfg, err := rootCfg.PrepareSaving()
if err != nil {
log.Fatal("Error saving internal token: %v", err)
}
rootCfg.Section("security").Key("INTERNAL_TOKEN").SetValue(token)
saveCfg.Section("security").Key("INTERNAL_TOKEN").SetValue(token)
if err = saveCfg.Save(); err != nil {
log.Fatal("Error saving internal token: %v", err)
}
}
func loadSecurityFrom(rootCfg ConfigProvider) {
sec := rootCfg.Section("security")
InstallLock = HasInstallLock(rootCfg)
LogInRememberDays = sec.Key("LOGIN_REMEMBER_DAYS").MustInt(31)
SecretKey = loadSecret(sec, "SECRET_KEY_URI", "SECRET_KEY")
if SecretKey == "" {
// FIXME: https://github.com/go-gitea/gitea/issues/16832
// Until it supports rotating an existing secret key, we shouldn't move users off of the widely used default value
SecretKey = "!#@FDEWREWR&*(" //nolint:gosec
}
keying.Init([]byte(SecretKey))
CookieRememberName = sec.Key("COOKIE_REMEMBER_NAME").MustString("gitea_incredible")
ReverseProxyAuthUser = sec.Key("REVERSE_PROXY_AUTHENTICATION_USER").MustString("X-WEBAUTH-USER")
ReverseProxyAuthEmail = sec.Key("REVERSE_PROXY_AUTHENTICATION_EMAIL").MustString("X-WEBAUTH-EMAIL")
ReverseProxyAuthFullName = sec.Key("REVERSE_PROXY_AUTHENTICATION_FULL_NAME").MustString("X-WEBAUTH-FULLNAME")
ReverseProxyLimit = sec.Key("REVERSE_PROXY_LIMIT").MustInt(1)
ReverseProxyTrustedProxies = sec.Key("REVERSE_PROXY_TRUSTED_PROXIES").Strings(",")
if len(ReverseProxyTrustedProxies) == 0 {
ReverseProxyTrustedProxies = []string{"127.0.0.0/8", "::1/128"}
}
MinPasswordLength = sec.Key("MIN_PASSWORD_LENGTH").MustInt(8)
ImportLocalPaths = sec.Key("IMPORT_LOCAL_PATHS").MustBool(false)
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)
// 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)
InternalToken = loadSecret(sec, "INTERNAL_TOKEN_URI", "INTERNAL_TOKEN")
if InstallLock && InternalToken == "" {
// if Gitea has been installed but the InternalToken hasn't been generated (upgrade from an old release), we should generate
// some users do cluster deployment, they still depend on this auto-generating behavior.
generateSaveInternalToken(rootCfg)
}
cfgdata := sec.Key("PASSWORD_COMPLEXITY").Strings(",")
if len(cfgdata) == 0 {
cfgdata = []string{"off"}
}
PasswordComplexity = make([]string, 0, len(cfgdata))
for _, name := range cfgdata {
name := strings.ToLower(strings.Trim(name, `"`))
if name != "" {
PasswordComplexity = append(PasswordComplexity, name)
}
}
sectionHasDisableQueryAuthToken := sec.HasKey("DISABLE_QUERY_AUTH_TOKEN")
// TODO: default value should be true in future releases
DisableQueryAuthToken = sec.Key("DISABLE_QUERY_AUTH_TOKEN").MustBool(false)
// warn if the setting is set to false explicitly
if sectionHasDisableQueryAuthToken && !DisableQueryAuthToken {
log.Warn("Enabling Query API Auth tokens is not recommended. DISABLE_QUERY_AUTH_TOKEN will default to true in gitea 1.23 and will be removed in gitea 1.24.")
}
}
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