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gitea/modules/setting/setting.go
zeripath 2e317d3f6e
Prevent security failure due to bad APP_ID (#18678) (#18682) 
Backport #18678

WebAuthn may cause a security exception if the provided APP_ID is not allowed for the
current origin. Therefore we should reattempt authentication without the appid
extension.

Also we should allow [u2f] as-well as [U2F] sections.

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2022-02-10 16:17:44 +01:00

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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package setting
import (
"encoding/base64"
"fmt"
"io"
"math"
"net"
"net/url"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"strconv"
"strings"
"text/template"
"time"
"code.gitea.io/gitea/modules/generate"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/user"
"code.gitea.io/gitea/modules/util"
"github.com/unknwon/com"
gossh "golang.org/x/crypto/ssh"
ini "gopkg.in/ini.v1"
)
// Scheme describes protocol types
type Scheme string
// enumerates all the scheme types
const (
HTTP Scheme = "http"
HTTPS Scheme = "https"
FCGI Scheme = "fcgi"
FCGIUnix Scheme = "fcgi+unix"
HTTPUnix Scheme = "http+unix"
)
// LandingPage describes the default page
type LandingPage string
// enumerates all the landing page types
const (
LandingPageHome LandingPage = "/"
LandingPageExplore LandingPage = "/explore"
LandingPageOrganizations LandingPage = "/explore/organizations"
LandingPageLogin LandingPage = "/user/login"
)
// enumerates all the types of captchas
const (
ImageCaptcha = "image"
ReCaptcha = "recaptcha"
HCaptcha = "hcaptcha"
)
// settings
var (
// AppVer is the version of the current build of Gitea. It is set in main.go from main.Version.
AppVer string
// AppBuiltWith represents a human readable version go runtime build version and build tags. (See main.go formatBuiltWith().)
AppBuiltWith string
// AppStartTime store time gitea has started
AppStartTime time.Time
// AppName is the Application name, used in the page title.
// It maps to ini:"APP_NAME"
AppName string
// AppURL is the Application ROOT_URL. It always has a '/' suffix
// It maps to ini:"ROOT_URL"
AppURL string
// AppSubURL represents the sub-url mounting point for gitea. It is either "" or starts with '/' and ends without '/', such as '/{subpath}'.
// This value is empty if site does not have sub-url.
AppSubURL string
// AppPath represents the path to the gitea binary
AppPath string
// AppWorkPath is the "working directory" of Gitea. It maps to the environment variable GITEA_WORK_DIR.
// If that is not set it is the default set here by the linker or failing that the directory of AppPath.
//
// AppWorkPath is used as the base path for several other paths.
AppWorkPath string
// AppDataPath is the default path for storing data.
// It maps to ini:"APP_DATA_PATH" and defaults to AppWorkPath + "/data"
AppDataPath string
// Server settings
Protocol Scheme
Domain string
HTTPAddr string
HTTPPort string
LocalURL string
RedirectOtherPort bool
PortToRedirect string
OfflineMode bool
CertFile string
KeyFile string
StaticRootPath string
StaticCacheTime time.Duration
EnableGzip bool
LandingPageURL LandingPage
UnixSocketPermission uint32
EnablePprof bool
PprofDataPath string
EnableLetsEncrypt bool
LetsEncryptTOS bool
LetsEncryptDirectory string
LetsEncryptEmail string
SSLMinimumVersion string
SSLMaximumVersion string
SSLCurvePreferences []string
SSLCipherSuites []string
GracefulRestartable bool
GracefulHammerTime time.Duration
StartupTimeout time.Duration
PerWriteTimeout = 30 * time.Second
PerWritePerKbTimeout = 10 * time.Second
StaticURLPrefix string
AbsoluteAssetURL string
SSH = struct {
Disabled bool `ini:"DISABLE_SSH"`
StartBuiltinServer bool `ini:"START_SSH_SERVER"`
BuiltinServerUser string `ini:"BUILTIN_SSH_SERVER_USER"`
Domain string `ini:"SSH_DOMAIN"`
Port int `ini:"SSH_PORT"`
ListenHost string `ini:"SSH_LISTEN_HOST"`
ListenPort int `ini:"SSH_LISTEN_PORT"`
RootPath string `ini:"SSH_ROOT_PATH"`
ServerCiphers []string `ini:"SSH_SERVER_CIPHERS"`
ServerKeyExchanges []string `ini:"SSH_SERVER_KEY_EXCHANGES"`
ServerMACs []string `ini:"SSH_SERVER_MACS"`
ServerHostKeys []string `ini:"SSH_SERVER_HOST_KEYS"`
KeyTestPath string `ini:"SSH_KEY_TEST_PATH"`
KeygenPath string `ini:"SSH_KEYGEN_PATH"`
AuthorizedKeysBackup bool `ini:"SSH_AUTHORIZED_KEYS_BACKUP"`
AuthorizedPrincipalsBackup bool `ini:"SSH_AUTHORIZED_PRINCIPALS_BACKUP"`
AuthorizedKeysCommandTemplate string `ini:"SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE"`
AuthorizedKeysCommandTemplateTemplate *template.Template `ini:"-"`
MinimumKeySizeCheck bool `ini:"-"`
MinimumKeySizes map[string]int `ini:"-"`
CreateAuthorizedKeysFile bool `ini:"SSH_CREATE_AUTHORIZED_KEYS_FILE"`
CreateAuthorizedPrincipalsFile bool `ini:"SSH_CREATE_AUTHORIZED_PRINCIPALS_FILE"`
ExposeAnonymous bool `ini:"SSH_EXPOSE_ANONYMOUS"`
AuthorizedPrincipalsAllow []string `ini:"SSH_AUTHORIZED_PRINCIPALS_ALLOW"`
AuthorizedPrincipalsEnabled bool `ini:"-"`
TrustedUserCAKeys []string `ini:"SSH_TRUSTED_USER_CA_KEYS"`
TrustedUserCAKeysFile string `ini:"SSH_TRUSTED_USER_CA_KEYS_FILENAME"`
TrustedUserCAKeysParsed []gossh.PublicKey `ini:"-"`
PerWriteTimeout time.Duration `ini:"SSH_PER_WRITE_TIMEOUT"`
PerWritePerKbTimeout time.Duration `ini:"SSH_PER_WRITE_PER_KB_TIMEOUT"`
}{
Disabled: false,
StartBuiltinServer: false,
Domain: "",
Port: 22,
ServerCiphers: []string{"aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "arcfour256", "arcfour128"},
ServerKeyExchanges: []string{"diffie-hellman-group1-sha1", "diffie-hellman-group14-sha1", "ecdh-sha2-nistp256", "ecdh-sha2-nistp384", "ecdh-sha2-nistp521", "curve25519-sha256@libssh.org"},
ServerMACs: []string{"hmac-sha2-256-etm@openssh.com", "hmac-sha2-256", "hmac-sha1", "hmac-sha1-96"},
KeygenPath: "ssh-keygen",
MinimumKeySizeCheck: true,
MinimumKeySizes: map[string]int{"ed25519": 256, "ed25519-sk": 256, "ecdsa": 256, "ecdsa-sk": 256, "rsa": 2048},
ServerHostKeys: []string{"ssh/gitea.rsa", "ssh/gogs.rsa"},
AuthorizedKeysCommandTemplate: "{{.AppPath}} --config={{.CustomConf}} serv key-{{.Key.ID}}",
PerWriteTimeout: PerWriteTimeout,
PerWritePerKbTimeout: PerWritePerKbTimeout,
}
// Security settings
InstallLock bool
SecretKey string
LogInRememberDays int
CookieUserName string
CookieRememberName string
ReverseProxyAuthUser string
ReverseProxyAuthEmail string
ReverseProxyLimit int
ReverseProxyTrustedProxies []string
MinPasswordLength int
ImportLocalPaths bool
DisableGitHooks bool
DisableWebhooks bool
OnlyAllowPushIfGiteaEnvironmentSet bool
PasswordComplexity []string
PasswordHashAlgo string
PasswordCheckPwn bool
SuccessfulTokensCacheSize int
// UI settings
UI = struct {
ExplorePagingNum int
IssuePagingNum int
RepoSearchPagingNum int
MembersPagingNum int
FeedMaxCommitNum int
FeedPagingNum int
GraphMaxCommitNum int
CodeCommentLines int
ReactionMaxUserNum int
ThemeColorMetaTag string
MaxDisplayFileSize int64
ShowUserEmail bool
DefaultShowFullName bool
DefaultTheme string
Themes []string
Reactions []string
ReactionsMap map[string]bool `ini:"-"`
CustomEmojis []string
CustomEmojisMap map[string]string `ini:"-"`
SearchRepoDescription bool
UseServiceWorker bool
Notification struct {
MinTimeout time.Duration
TimeoutStep time.Duration
MaxTimeout time.Duration
EventSourceUpdateTime time.Duration
} `ini:"ui.notification"`
SVG struct {
Enabled bool `ini:"ENABLE_RENDER"`
} `ini:"ui.svg"`
CSV struct {
MaxFileSize int64
} `ini:"ui.csv"`
Admin struct {
UserPagingNum int
RepoPagingNum int
NoticePagingNum int
OrgPagingNum int
} `ini:"ui.admin"`
User struct {
RepoPagingNum int
} `ini:"ui.user"`
Meta struct {
Author string
Description string
Keywords string
} `ini:"ui.meta"`
}{
ExplorePagingNum: 20,
IssuePagingNum: 10,
RepoSearchPagingNum: 10,
MembersPagingNum: 20,
FeedMaxCommitNum: 5,
FeedPagingNum: 20,
GraphMaxCommitNum: 100,
CodeCommentLines: 4,
ReactionMaxUserNum: 10,
ThemeColorMetaTag: `#6cc644`,
MaxDisplayFileSize: 8388608,
DefaultTheme: `auto`,
Themes: []string{`auto`, `gitea`, `arc-green`},
Reactions: []string{`+1`, `-1`, `laugh`, `hooray`, `confused`, `heart`, `rocket`, `eyes`},
CustomEmojis: []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`},
CustomEmojisMap: map[string]string{"git": ":git:", "gitea": ":gitea:", "codeberg": ":codeberg:", "gitlab": ":gitlab:", "github": ":github:", "gogs": ":gogs:"},
Notification: struct {
MinTimeout time.Duration
TimeoutStep time.Duration
MaxTimeout time.Duration
EventSourceUpdateTime time.Duration
}{
MinTimeout: 10 * time.Second,
TimeoutStep: 10 * time.Second,
MaxTimeout: 60 * time.Second,
EventSourceUpdateTime: 10 * time.Second,
},
SVG: struct {
Enabled bool `ini:"ENABLE_RENDER"`
}{
Enabled: true,
},
CSV: struct {
MaxFileSize int64
}{
MaxFileSize: 524288,
},
Admin: struct {
UserPagingNum int
RepoPagingNum int
NoticePagingNum int
OrgPagingNum int
}{
UserPagingNum: 50,
RepoPagingNum: 50,
NoticePagingNum: 25,
OrgPagingNum: 50,
},
User: struct {
RepoPagingNum int
}{
RepoPagingNum: 15,
},
Meta: struct {
Author string
Description string
Keywords string
}{
Author: "Gitea - Git with a cup of tea",
Description: "Gitea (Git with a cup of tea) is a painless self-hosted Git service written in Go",
Keywords: "go,git,self-hosted,gitea",
},
}
// Markdown settings
Markdown = struct {
EnableHardLineBreakInComments bool
EnableHardLineBreakInDocuments bool
CustomURLSchemes []string `ini:"CUSTOM_URL_SCHEMES"`
FileExtensions []string
}{
EnableHardLineBreakInComments: true,
EnableHardLineBreakInDocuments: false,
FileExtensions: strings.Split(".md,.markdown,.mdown,.mkd", ","),
}
// Admin settings
Admin struct {
DisableRegularOrgCreation bool
DefaultEmailNotification string
}
// Log settings
LogLevel log.Level
StacktraceLogLevel string
LogRootPath string
DisableRouterLog bool
RouterLogLevel log.Level
EnableAccessLog bool
EnableSSHLog bool
AccessLogTemplate string
EnableXORMLog bool
// Time settings
TimeFormat string
// UILocation is the location on the UI, so that we can display the time on UI.
DefaultUILocation = time.Local
CSRFCookieName = "_csrf"
CSRFCookieHTTPOnly = true
ManifestData string
// API settings
API = struct {
EnableSwagger bool
SwaggerURL string
MaxResponseItems int
DefaultPagingNum int
DefaultGitTreesPerPage int
DefaultMaxBlobSize int64
}{
EnableSwagger: true,
SwaggerURL: "",
MaxResponseItems: 50,
DefaultPagingNum: 30,
DefaultGitTreesPerPage: 1000,
DefaultMaxBlobSize: 10485760,
}
OAuth2 = struct {
Enable bool
AccessTokenExpirationTime int64
RefreshTokenExpirationTime int64
InvalidateRefreshTokens bool
JWTSigningAlgorithm string `ini:"JWT_SIGNING_ALGORITHM"`
JWTSecretBase64 string `ini:"JWT_SECRET"`
JWTSigningPrivateKeyFile string `ini:"JWT_SIGNING_PRIVATE_KEY_FILE"`
MaxTokenLength int
}{
Enable: true,
AccessTokenExpirationTime: 3600,
RefreshTokenExpirationTime: 730,
InvalidateRefreshTokens: false,
JWTSigningAlgorithm: "RS256",
JWTSigningPrivateKeyFile: "jwt/private.pem",
MaxTokenLength: math.MaxInt16,
}
U2F = struct {
AppID string
}{}
// Metrics settings
Metrics = struct {
Enabled bool
Token string
EnabledIssueByLabel bool
EnabledIssueByRepository bool
}{
Enabled: false,
Token: "",
EnabledIssueByLabel: false,
EnabledIssueByRepository: false,
}
// I18n settings
Langs []string
Names []string
// Highlight settings are loaded in modules/template/highlight.go
// Other settings
ShowFooterBranding bool
ShowFooterVersion bool
ShowFooterTemplateLoadTime bool
// Global setting objects
Cfg *ini.File
CustomPath string // Custom directory path
CustomConf string
PIDFile = "/run/gitea.pid"
WritePIDFile bool
RunMode string
IsProd bool
RunUser string
IsWindows bool
HasRobotsTxt bool
InternalToken string // internal access token
)
func getAppPath() (string, error) {
var appPath string
var err error
if IsWindows && filepath.IsAbs(os.Args[0]) {
appPath = filepath.Clean(os.Args[0])
} else {
appPath, err = exec.LookPath(os.Args[0])
}
if err != nil {
return "", err
}
appPath, err = filepath.Abs(appPath)
if err != nil {
return "", err
}
// Note: we don't use path.Dir here because it does not handle case
// which path starts with two "/" in Windows: "//psf/Home/..."
return strings.ReplaceAll(appPath, "\\", "/"), err
}
func getWorkPath(appPath string) string {
workPath := AppWorkPath
if giteaWorkPath, ok := os.LookupEnv("GITEA_WORK_DIR"); ok {
workPath = giteaWorkPath
}
if len(workPath) == 0 {
i := strings.LastIndex(appPath, "/")
if i == -1 {
workPath = appPath
} else {
workPath = appPath[:i]
}
}
return strings.ReplaceAll(workPath, "\\", "/")
}
func init() {
IsWindows = runtime.GOOS == "windows"
// We can rely on log.CanColorStdout being set properly because modules/log/console_windows.go comes before modules/setting/setting.go lexicographically
// By default set this logger at Info - we'll change it later but we need to start with something.
log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "info", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout))
var err error
if AppPath, err = getAppPath(); err != nil {
log.Fatal("Failed to get app path: %v", err)
}
AppWorkPath = getWorkPath(AppPath)
}
func forcePathSeparator(path string) {
if strings.Contains(path, "\\") {
log.Fatal("Do not use '\\' or '\\\\' in paths, instead, please use '/' in all places")
}
}
// IsRunUserMatchCurrentUser returns false if configured run user does not match
// actual user that runs the app. The first return value is the actual user name.
// This check is ignored under Windows since SSH remote login is not the main
// method to login on Windows.
func IsRunUserMatchCurrentUser(runUser string) (string, bool) {
if IsWindows || SSH.StartBuiltinServer {
return "", true
}
currentUser := user.CurrentUsername()
return currentUser, runUser == currentUser
}
func createPIDFile(pidPath string) {
currentPid := os.Getpid()
if err := os.MkdirAll(filepath.Dir(pidPath), os.ModePerm); err != nil {
log.Fatal("Failed to create PID folder: %v", err)
}
file, err := os.Create(pidPath)
if err != nil {
log.Fatal("Failed to create PID file: %v", err)
}
defer file.Close()
if _, err := file.WriteString(strconv.FormatInt(int64(currentPid), 10)); err != nil {
log.Fatal("Failed to write PID information: %v", err)
}
}
// SetCustomPathAndConf will set CustomPath and CustomConf with reference to the
// GITEA_CUSTOM environment variable and with provided overrides before stepping
// back to the default
func SetCustomPathAndConf(providedCustom, providedConf, providedWorkPath string) {
if len(providedWorkPath) != 0 {
AppWorkPath = filepath.ToSlash(providedWorkPath)
}
if giteaCustom, ok := os.LookupEnv("GITEA_CUSTOM"); ok {
CustomPath = giteaCustom
}
if len(providedCustom) != 0 {
CustomPath = providedCustom
}
if len(CustomPath) == 0 {
CustomPath = path.Join(AppWorkPath, "custom")
} else if !filepath.IsAbs(CustomPath) {
CustomPath = path.Join(AppWorkPath, CustomPath)
}
if len(providedConf) != 0 {
CustomConf = providedConf
}
if len(CustomConf) == 0 {
CustomConf = path.Join(CustomPath, "conf/app.ini")
} else if !filepath.IsAbs(CustomConf) {
CustomConf = path.Join(CustomPath, CustomConf)
log.Warn("Using 'custom' directory as relative origin for configuration file: '%s'", CustomConf)
}
}
// LoadFromExisting initializes setting options from an existing config file (app.ini)
func LoadFromExisting() {
loadFromConf(false, "")
}
// LoadAllowEmpty initializes setting options, it's also fine that if the config file (app.ini) doesn't exist
func LoadAllowEmpty() {
loadFromConf(true, "")
}
// LoadForTest initializes setting options for tests
func LoadForTest(extraConfigs ...string) {
loadFromConf(true, strings.Join(extraConfigs, "\n"))
if err := PrepareAppDataPath(); err != nil {
log.Fatal("Can not prepare APP_DATA_PATH: %v", err)
}
}
// loadFromConf initializes configuration context.
// NOTE: do not print any log except error.
func loadFromConf(allowEmpty bool, extraConfig string) {
Cfg = ini.Empty()
if WritePIDFile && len(PIDFile) > 0 {
createPIDFile(PIDFile)
}
isFile, err := util.IsFile(CustomConf)
if err != nil {
log.Error("Unable to check if %s is a file. Error: %v", CustomConf, err)
}
if isFile {
if err := Cfg.Append(CustomConf); err != nil {
log.Fatal("Failed to load custom conf '%s': %v", CustomConf, err)
}
} else if !allowEmpty {
log.Fatal("Unable to find configuration file: %q.\nEnsure you are running in the correct environment or set the correct configuration file with -c.", CustomConf)
} // else: no config file, a config file might be created at CustomConf later (might not)
if extraConfig != "" {
if err = Cfg.Append([]byte(extraConfig)); err != nil {
log.Fatal("Unable to append more config: %v", err)
}
}
Cfg.NameMapper = ini.SnackCase
homeDir, err := com.HomeDir()
if err != nil {
log.Fatal("Failed to get home directory: %v", err)
}
homeDir = strings.ReplaceAll(homeDir, "\\", "/")
LogLevel = getLogLevel(Cfg.Section("log"), "LEVEL", log.INFO)
StacktraceLogLevel = getStacktraceLogLevel(Cfg.Section("log"), "STACKTRACE_LEVEL", "None")
LogRootPath = Cfg.Section("log").Key("ROOT_PATH").MustString(path.Join(AppWorkPath, "log"))
forcePathSeparator(LogRootPath)
RouterLogLevel = log.FromString(Cfg.Section("log").Key("ROUTER_LOG_LEVEL").MustString("Info"))
sec := Cfg.Section("server")
AppName = Cfg.Section("").Key("APP_NAME").MustString("Gitea: Git with a cup of tea")
Domain = sec.Key("DOMAIN").MustString("localhost")
HTTPAddr = sec.Key("HTTP_ADDR").MustString("0.0.0.0")
HTTPPort = sec.Key("HTTP_PORT").MustString("3000")
Protocol = HTTP
protocolCfg := sec.Key("PROTOCOL").String()
switch protocolCfg {
case "https":
Protocol = HTTPS
CertFile = sec.Key("CERT_FILE").String()
KeyFile = sec.Key("KEY_FILE").String()
if !filepath.IsAbs(CertFile) && len(CertFile) > 0 {
CertFile = filepath.Join(CustomPath, CertFile)
}
if !filepath.IsAbs(KeyFile) && len(KeyFile) > 0 {
KeyFile = filepath.Join(CustomPath, KeyFile)
}
case "fcgi":
Protocol = FCGI
case "fcgi+unix", "unix", "http+unix":
switch protocolCfg {
case "fcgi+unix":
Protocol = FCGIUnix
case "unix":
log.Warn("unix PROTOCOL value is deprecated, please use http+unix")
fallthrough
case "http+unix":
Protocol = HTTPUnix
}
UnixSocketPermissionRaw := sec.Key("UNIX_SOCKET_PERMISSION").MustString("666")
UnixSocketPermissionParsed, err := strconv.ParseUint(UnixSocketPermissionRaw, 8, 32)
if err != nil || UnixSocketPermissionParsed > 0777 {
log.Fatal("Failed to parse unixSocketPermission: %s", UnixSocketPermissionRaw)
}
UnixSocketPermission = uint32(UnixSocketPermissionParsed)
if !filepath.IsAbs(HTTPAddr) {
HTTPAddr = filepath.Join(AppWorkPath, HTTPAddr)
}
}
EnableLetsEncrypt = sec.Key("ENABLE_LETSENCRYPT").MustBool(false)
LetsEncryptTOS = sec.Key("LETSENCRYPT_ACCEPTTOS").MustBool(false)
if !LetsEncryptTOS && EnableLetsEncrypt {
log.Warn("Failed to enable Let's Encrypt due to Let's Encrypt TOS not being accepted")
EnableLetsEncrypt = false
}
LetsEncryptDirectory = sec.Key("LETSENCRYPT_DIRECTORY").MustString("https")
LetsEncryptEmail = sec.Key("LETSENCRYPT_EMAIL").MustString("")
SSLMinimumVersion = sec.Key("SSL_MIN_VERSION").MustString("")
SSLMaximumVersion = sec.Key("SSL_MAX_VERSION").MustString("")
SSLCurvePreferences = sec.Key("SSL_CURVE_PREFERENCES").Strings(",")
SSLCipherSuites = sec.Key("SSL_CIPHER_SUITES").Strings(",")
GracefulRestartable = sec.Key("ALLOW_GRACEFUL_RESTARTS").MustBool(true)
GracefulHammerTime = sec.Key("GRACEFUL_HAMMER_TIME").MustDuration(60 * time.Second)
StartupTimeout = sec.Key("STARTUP_TIMEOUT").MustDuration(0 * time.Second)
PerWriteTimeout = sec.Key("PER_WRITE_TIMEOUT").MustDuration(PerWriteTimeout)
PerWritePerKbTimeout = sec.Key("PER_WRITE_PER_KB_TIMEOUT").MustDuration(PerWritePerKbTimeout)
defaultAppURL := string(Protocol) + "://" + Domain
if (Protocol == HTTP && HTTPPort != "80") || (Protocol == HTTPS && HTTPPort != "443") {
defaultAppURL += ":" + HTTPPort
}
AppURL = sec.Key("ROOT_URL").MustString(defaultAppURL + "/")
// This should be TrimRight to ensure that there is only a single '/' at the end of AppURL.
AppURL = strings.TrimRight(AppURL, "/") + "/"
// Check if has app suburl.
appURL, err := url.Parse(AppURL)
if err != nil {
log.Fatal("Invalid ROOT_URL '%s': %s", AppURL, err)
}
// Suburl should start with '/' and end without '/', such as '/{subpath}'.
// This value is empty if site does not have sub-url.
AppSubURL = strings.TrimSuffix(appURL.Path, "/")
StaticURLPrefix = strings.TrimSuffix(sec.Key("STATIC_URL_PREFIX").MustString(AppSubURL), "/")
// Check if Domain differs from AppURL domain than update it to AppURL's domain
urlHostname := appURL.Hostname()
if urlHostname != Domain && net.ParseIP(urlHostname) == nil && urlHostname != "" {
Domain = urlHostname
}
AbsoluteAssetURL = MakeAbsoluteAssetURL(AppURL, StaticURLPrefix)
manifestBytes := MakeManifestData(AppName, AppURL, AbsoluteAssetURL)
ManifestData = `application/json;base64,` + base64.StdEncoding.EncodeToString(manifestBytes)
var defaultLocalURL string
switch Protocol {
case HTTPUnix:
defaultLocalURL = "http://unix/"
case FCGI:
defaultLocalURL = AppURL
case FCGIUnix:
defaultLocalURL = AppURL
default:
defaultLocalURL = string(Protocol) + "://"
if HTTPAddr == "0.0.0.0" {
defaultLocalURL += net.JoinHostPort("localhost", HTTPPort) + "/"
} else {
defaultLocalURL += net.JoinHostPort(HTTPAddr, HTTPPort) + "/"
}
}
LocalURL = sec.Key("LOCAL_ROOT_URL").MustString(defaultLocalURL)
RedirectOtherPort = sec.Key("REDIRECT_OTHER_PORT").MustBool(false)
PortToRedirect = sec.Key("PORT_TO_REDIRECT").MustString("80")
OfflineMode = sec.Key("OFFLINE_MODE").MustBool()
DisableRouterLog = sec.Key("DISABLE_ROUTER_LOG").MustBool()
if len(StaticRootPath) == 0 {
StaticRootPath = AppWorkPath
}
StaticRootPath = sec.Key("STATIC_ROOT_PATH").MustString(StaticRootPath)
StaticCacheTime = sec.Key("STATIC_CACHE_TIME").MustDuration(6 * time.Hour)
AppDataPath = sec.Key("APP_DATA_PATH").MustString(path.Join(AppWorkPath, "data"))
EnableGzip = sec.Key("ENABLE_GZIP").MustBool()
EnablePprof = sec.Key("ENABLE_PPROF").MustBool(false)
PprofDataPath = sec.Key("PPROF_DATA_PATH").MustString(path.Join(AppWorkPath, "data/tmp/pprof"))
if !filepath.IsAbs(PprofDataPath) {
PprofDataPath = filepath.Join(AppWorkPath, PprofDataPath)
}
switch sec.Key("LANDING_PAGE").MustString("home") {
case "explore":
LandingPageURL = LandingPageExplore
case "organizations":
LandingPageURL = LandingPageOrganizations
case "login":
LandingPageURL = LandingPageLogin
default:
LandingPageURL = LandingPageHome
}
if len(SSH.Domain) == 0 {
SSH.Domain = Domain
}
SSH.RootPath = path.Join(homeDir, ".ssh")
serverCiphers := sec.Key("SSH_SERVER_CIPHERS").Strings(",")
if len(serverCiphers) > 0 {
SSH.ServerCiphers = serverCiphers
}
serverKeyExchanges := sec.Key("SSH_SERVER_KEY_EXCHANGES").Strings(",")
if len(serverKeyExchanges) > 0 {
SSH.ServerKeyExchanges = serverKeyExchanges
}
serverMACs := sec.Key("SSH_SERVER_MACS").Strings(",")
if len(serverMACs) > 0 {
SSH.ServerMACs = serverMACs
}
SSH.KeyTestPath = os.TempDir()
if err = Cfg.Section("server").MapTo(&SSH); err != nil {
log.Fatal("Failed to map SSH settings: %v", err)
}
for i, key := range SSH.ServerHostKeys {
if !filepath.IsAbs(key) {
SSH.ServerHostKeys[i] = filepath.Join(AppDataPath, key)
}
}
SSH.KeygenPath = sec.Key("SSH_KEYGEN_PATH").MustString("ssh-keygen")
SSH.Port = sec.Key("SSH_PORT").MustInt(22)
SSH.ListenPort = sec.Key("SSH_LISTEN_PORT").MustInt(SSH.Port)
// When disable SSH, start builtin server value is ignored.
if SSH.Disabled {
SSH.StartBuiltinServer = false
}
trustedUserCaKeys := sec.Key("SSH_TRUSTED_USER_CA_KEYS").Strings(",")
for _, caKey := range trustedUserCaKeys {
pubKey, _, _, _, err := gossh.ParseAuthorizedKey([]byte(caKey))
if err != nil {
log.Fatal("Failed to parse TrustedUserCaKeys: %s %v", caKey, err)
}
SSH.TrustedUserCAKeysParsed = append(SSH.TrustedUserCAKeysParsed, pubKey)
}
if len(trustedUserCaKeys) > 0 {
// Set the default as email,username otherwise we can leave it empty
sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").MustString("username,email")
} else {
sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").MustString("off")
}
SSH.AuthorizedPrincipalsAllow, SSH.AuthorizedPrincipalsEnabled = parseAuthorizedPrincipalsAllow(sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").Strings(","))
if !SSH.Disabled && !SSH.StartBuiltinServer {
if err := os.MkdirAll(SSH.RootPath, 0700); err != nil {
log.Fatal("Failed to create '%s': %v", SSH.RootPath, err)
} else if err = os.MkdirAll(SSH.KeyTestPath, 0644); err != nil {
log.Fatal("Failed to create '%s': %v", SSH.KeyTestPath, err)
}
if len(trustedUserCaKeys) > 0 && SSH.AuthorizedPrincipalsEnabled {
fname := sec.Key("SSH_TRUSTED_USER_CA_KEYS_FILENAME").MustString(filepath.Join(SSH.RootPath, "gitea-trusted-user-ca-keys.pem"))
if err := os.WriteFile(fname,
[]byte(strings.Join(trustedUserCaKeys, "\n")), 0600); err != nil {
log.Fatal("Failed to create '%s': %v", fname, err)
}
}
}
SSH.MinimumKeySizeCheck = sec.Key("MINIMUM_KEY_SIZE_CHECK").MustBool(SSH.MinimumKeySizeCheck)
minimumKeySizes := Cfg.Section("ssh.minimum_key_sizes").Keys()
for _, key := range minimumKeySizes {
if key.MustInt() != -1 {
SSH.MinimumKeySizes[strings.ToLower(key.Name())] = key.MustInt()
} else {
delete(SSH.MinimumKeySizes, strings.ToLower(key.Name()))
}
}
SSH.AuthorizedKeysBackup = sec.Key("SSH_AUTHORIZED_KEYS_BACKUP").MustBool(true)
SSH.CreateAuthorizedKeysFile = sec.Key("SSH_CREATE_AUTHORIZED_KEYS_FILE").MustBool(true)
SSH.AuthorizedPrincipalsBackup = false
SSH.CreateAuthorizedPrincipalsFile = false
if SSH.AuthorizedPrincipalsEnabled {
SSH.AuthorizedPrincipalsBackup = sec.Key("SSH_AUTHORIZED_PRINCIPALS_BACKUP").MustBool(true)
SSH.CreateAuthorizedPrincipalsFile = sec.Key("SSH_CREATE_AUTHORIZED_PRINCIPALS_FILE").MustBool(true)
}
SSH.ExposeAnonymous = sec.Key("SSH_EXPOSE_ANONYMOUS").MustBool(false)
SSH.AuthorizedKeysCommandTemplate = sec.Key("SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE").MustString(SSH.AuthorizedKeysCommandTemplate)
SSH.AuthorizedKeysCommandTemplateTemplate = template.Must(template.New("").Parse(SSH.AuthorizedKeysCommandTemplate))
SSH.PerWriteTimeout = sec.Key("SSH_PER_WRITE_TIMEOUT").MustDuration(PerWriteTimeout)
SSH.PerWritePerKbTimeout = sec.Key("SSH_PER_WRITE_PER_KB_TIMEOUT").MustDuration(PerWritePerKbTimeout)
if err = Cfg.Section("oauth2").MapTo(&OAuth2); err != nil {
log.Fatal("Failed to OAuth2 settings: %v", err)
return
}
if !filepath.IsAbs(OAuth2.JWTSigningPrivateKeyFile) {
OAuth2.JWTSigningPrivateKeyFile = filepath.Join(AppDataPath, OAuth2.JWTSigningPrivateKeyFile)
}
sec = Cfg.Section("admin")
Admin.DefaultEmailNotification = sec.Key("DEFAULT_EMAIL_NOTIFICATIONS").MustString("enabled")
sec = Cfg.Section("security")
InstallLock = sec.Key("INSTALL_LOCK").MustBool(false)
SecretKey = sec.Key("SECRET_KEY").MustString("!#@FDEWREWR&*(")
LogInRememberDays = sec.Key("LOGIN_REMEMBER_DAYS").MustInt(7)
CookieUserName = sec.Key("COOKIE_USERNAME").MustString("gitea_awesome")
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")
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(6)
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)
PasswordHashAlgo = sec.Key("PASSWORD_HASH_ALGO").MustString("pbkdf2")
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 = loadInternalToken(sec)
if InstallLock && InternalToken == "" {
// if Gitea has been installed but the InternalToken hasn't been generated (upgrade from an old release), we should generate
generateSaveInternalToken()
}
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)
}
}
newAttachmentService()
newLFSService()
timeFormatKey := Cfg.Section("time").Key("FORMAT").MustString("")
if timeFormatKey != "" {
TimeFormat = map[string]string{
"ANSIC": time.ANSIC,
"UnixDate": time.UnixDate,
"RubyDate": time.RubyDate,
"RFC822": time.RFC822,
"RFC822Z": time.RFC822Z,
"RFC850": time.RFC850,
"RFC1123": time.RFC1123,
"RFC1123Z": time.RFC1123Z,
"RFC3339": time.RFC3339,
"RFC3339Nano": time.RFC3339Nano,
"Kitchen": time.Kitchen,
"Stamp": time.Stamp,
"StampMilli": time.StampMilli,
"StampMicro": time.StampMicro,
"StampNano": time.StampNano,
}[timeFormatKey]
// When the TimeFormatKey does not exist in the previous map e.g.'2006-01-02 15:04:05'
if len(TimeFormat) == 0 {
TimeFormat = timeFormatKey
TestTimeFormat, _ := time.Parse(TimeFormat, TimeFormat)
if TestTimeFormat.Format(time.RFC3339) != "2006-01-02T15:04:05Z" {
log.Warn("Provided TimeFormat: %s does not create a fully specified date and time.", TimeFormat)
log.Warn("In order to display dates and times correctly please check your time format has 2006, 01, 02, 15, 04 and 05")
}
log.Trace("Custom TimeFormat: %s", TimeFormat)
}
}
zone := Cfg.Section("time").Key("DEFAULT_UI_LOCATION").String()
if zone != "" {
DefaultUILocation, err = time.LoadLocation(zone)
if err != nil {
log.Fatal("Load time zone failed: %v", err)
} else {
log.Info("Default UI Location is %v", zone)
}
}
if DefaultUILocation == nil {
DefaultUILocation = time.Local
}
RunUser = Cfg.Section("").Key("RUN_USER").MustString(user.CurrentUsername())
// The following is a purposefully undocumented option. Please do not run Gitea as root. It will only cause future headaches.
// Please don't use root as a bandaid to "fix" something that is broken, instead the broken thing should instead be fixed properly.
unsafeAllowRunAsRoot := Cfg.Section("").Key("I_AM_BEING_UNSAFE_RUNNING_AS_ROOT").MustBool(false)
RunMode = Cfg.Section("").Key("RUN_MODE").MustString("prod")
IsProd = strings.EqualFold(RunMode, "prod")
// Does not check run user when the install lock is off.
if InstallLock {
currentUser, match := IsRunUserMatchCurrentUser(RunUser)
if !match {
log.Fatal("Expect user '%s' but current user is: %s", RunUser, currentUser)
}
}
// check if we run as root
if os.Getuid() == 0 {
if !unsafeAllowRunAsRoot {
// Special thanks to VLC which inspired the wording of this messaging.
log.Fatal("Gitea is not supposed to be run as root. Sorry. If you need to use privileged TCP ports please instead use setcap and the `cap_net_bind_service` permission")
}
log.Critical("You are running Gitea using the root user, and have purposely chosen to skip built-in protections around this. You have been warned against this.")
}
SSH.BuiltinServerUser = Cfg.Section("server").Key("BUILTIN_SSH_SERVER_USER").MustString(RunUser)
newRepository()
newPictureService()
if err = Cfg.Section("ui").MapTo(&UI); err != nil {
log.Fatal("Failed to map UI settings: %v", err)
} else if err = Cfg.Section("markdown").MapTo(&Markdown); err != nil {
log.Fatal("Failed to map Markdown settings: %v", err)
} else if err = Cfg.Section("admin").MapTo(&Admin); err != nil {
log.Fatal("Fail to map Admin settings: %v", err)
} else if err = Cfg.Section("api").MapTo(&API); err != nil {
log.Fatal("Failed to map API settings: %v", err)
} else if err = Cfg.Section("metrics").MapTo(&Metrics); err != nil {
log.Fatal("Failed to map Metrics settings: %v", err)
}
u := *appURL
u.Path = path.Join(u.Path, "api", "swagger")
API.SwaggerURL = u.String()
newGit()
newMirror()
Langs = Cfg.Section("i18n").Key("LANGS").Strings(",")
if len(Langs) == 0 {
Langs = defaultI18nLangs()
}
Names = Cfg.Section("i18n").Key("NAMES").Strings(",")
if len(Names) == 0 {
Names = defaultI18nNames()
}
ShowFooterBranding = Cfg.Section("other").Key("SHOW_FOOTER_BRANDING").MustBool(false)
ShowFooterVersion = Cfg.Section("other").Key("SHOW_FOOTER_VERSION").MustBool(true)
ShowFooterTemplateLoadTime = Cfg.Section("other").Key("SHOW_FOOTER_TEMPLATE_LOAD_TIME").MustBool(true)
UI.ShowUserEmail = Cfg.Section("ui").Key("SHOW_USER_EMAIL").MustBool(true)
UI.DefaultShowFullName = Cfg.Section("ui").Key("DEFAULT_SHOW_FULL_NAME").MustBool(false)
UI.SearchRepoDescription = Cfg.Section("ui").Key("SEARCH_REPO_DESCRIPTION").MustBool(true)
UI.UseServiceWorker = Cfg.Section("ui").Key("USE_SERVICE_WORKER").MustBool(true)
HasRobotsTxt, err = util.IsFile(path.Join(CustomPath, "robots.txt"))
if err != nil {
log.Error("Unable to check if %s is a file. Error: %v", path.Join(CustomPath, "robots.txt"), err)
}
newMarkup()
UI.ReactionsMap = make(map[string]bool)
for _, reaction := range UI.Reactions {
UI.ReactionsMap[reaction] = true
}
UI.CustomEmojisMap = make(map[string]string)
for _, emoji := range UI.CustomEmojis {
UI.CustomEmojisMap[emoji] = ":" + emoji + ":"
}
// FIXME: DEPRECATED to be removed in v1.18.0
U2F.AppID = strings.TrimSuffix(AppURL, "/")
if Cfg.Section("U2F").HasKey("APP_ID") {
U2F.AppID = Cfg.Section("U2F").Key("APP_ID").MustString(strings.TrimSuffix(AppURL, "/"))
} else if Cfg.Section("u2f").HasKey("APP_ID") {
U2F.AppID = Cfg.Section("u2f").Key("APP_ID").MustString(strings.TrimSuffix(AppURL, "/"))
}
}
func parseAuthorizedPrincipalsAllow(values []string) ([]string, bool) {
anything := false
email := false
username := false
for _, value := range values {
v := strings.ToLower(strings.TrimSpace(value))
switch v {
case "off":
return []string{"off"}, false
case "email":
email = true
case "username":
username = true
case "anything":
anything = true
}
}
if anything {
return []string{"anything"}, true
}
authorizedPrincipalsAllow := []string{}
if username {
authorizedPrincipalsAllow = append(authorizedPrincipalsAllow, "username")
}
if email {
authorizedPrincipalsAllow = append(authorizedPrincipalsAllow, "email")
}
return authorizedPrincipalsAllow, true
}
func loadInternalToken(sec *ini.Section) string {
uri := sec.Key("INTERNAL_TOKEN_URI").String()
if uri == "" {
return sec.Key("INTERNAL_TOKEN").String()
}
tempURI, err := url.Parse(uri)
if err != nil {
log.Fatal("Failed to parse INTERNAL_TOKEN_URI (%s): %v", uri, err)
}
switch tempURI.Scheme {
case "file":
fp, err := os.OpenFile(tempURI.RequestURI(), os.O_RDWR, 0600)
if err != nil {
log.Fatal("Failed to open InternalTokenURI (%s): %v", uri, err)
}
defer fp.Close()
buf, err := io.ReadAll(fp)
if err != nil {
log.Fatal("Failed to read InternalTokenURI (%s): %v", uri, err)
}
// No token in the file, generate one and store it.
if len(buf) == 0 {
token, err := generate.NewInternalToken()
if err != nil {
log.Fatal("Error generate internal token: %v", err)
}
if _, err := io.WriteString(fp, token); err != nil {
log.Fatal("Error writing to InternalTokenURI (%s): %v", uri, err)
}
return token
}
return strings.TrimSpace(string(buf))
default:
log.Fatal("Unsupported URI-Scheme %q (INTERNAL_TOKEN_URI = %q)", tempURI.Scheme, uri)
}
return ""
}
// generateSaveInternalToken generates and saves the internal token to app.ini
func generateSaveInternalToken() {
token, err := generate.NewInternalToken()
if err != nil {
log.Fatal("Error generate internal token: %v", err)
}
InternalToken = token
CreateOrAppendToCustomConf(func(cfg *ini.File) {
cfg.Section("security").Key("INTERNAL_TOKEN").SetValue(token)
})
}
// MakeAbsoluteAssetURL returns the absolute asset url prefix without a trailing slash
func MakeAbsoluteAssetURL(appURL, staticURLPrefix string) string {
parsedPrefix, err := url.Parse(strings.TrimSuffix(staticURLPrefix, "/"))
if err != nil {
log.Fatal("Unable to parse STATIC_URL_PREFIX: %v", err)
}
if err == nil && parsedPrefix.Hostname() == "" {
if staticURLPrefix == "" {
return strings.TrimSuffix(appURL, "/")
}
// StaticURLPrefix is just a path
return util.URLJoin(appURL, strings.TrimSuffix(staticURLPrefix, "/"))
}
return strings.TrimSuffix(staticURLPrefix, "/")
}
// MakeManifestData generates web app manifest JSON
func MakeManifestData(appName, appURL, absoluteAssetURL string) []byte {
type manifestIcon struct {
Src string `json:"src"`
Type string `json:"type"`
Sizes string `json:"sizes"`
}
type manifestJSON struct {
Name string `json:"name"`
ShortName string `json:"short_name"`
StartURL string `json:"start_url"`
Icons []manifestIcon `json:"icons"`
}
bytes, err := json.Marshal(&manifestJSON{
Name: appName,
ShortName: appName,
StartURL: appURL,
Icons: []manifestIcon{
{
Src: absoluteAssetURL + "/assets/img/logo.png",
Type: "image/png",
Sizes: "512x512",
},
{
Src: absoluteAssetURL + "/assets/img/logo.svg",
Type: "image/svg+xml",
Sizes: "512x512",
},
},
})
if err != nil {
log.Error("unable to marshal manifest JSON. Error: %v", err)
return make([]byte, 0)
}
return bytes
}
// CreateOrAppendToCustomConf creates or updates the custom config.
// Use the callback to set individual values.
func CreateOrAppendToCustomConf(callback func(cfg *ini.File)) {
cfg := ini.Empty()
isFile, err := util.IsFile(CustomConf)
if err != nil {
log.Error("Unable to check if %s is a file. Error: %v", CustomConf, err)
}
if isFile {
if err := cfg.Append(CustomConf); err != nil {
log.Error("failed to load custom conf %s: %v", CustomConf, err)
return
}
}
callback(cfg)
log.Info("Settings saved to: %q", CustomConf)
if err := os.MkdirAll(filepath.Dir(CustomConf), os.ModePerm); err != nil {
log.Fatal("failed to create '%s': %v", CustomConf, err)
return
}
if err := cfg.SaveTo(CustomConf); err != nil {
log.Fatal("error saving to custom config: %v", err)
}
// Change permissions to be more restrictive
fi, err := os.Stat(CustomConf)
if err != nil {
log.Error("Failed to determine current conf file permissions: %v", err)
return
}
if fi.Mode().Perm() > 0o600 {
if err = os.Chmod(CustomConf, 0o600); err != nil {
log.Warn("Failed changing conf file permissions to -rw-------. Consider changing them manually.")
}
}
}
// NewServices initializes the services
func NewServices() {
InitDBConfig()
newService()
newOAuth2Client()
NewLogServices(false)
newCacheService()
newSessionService()
newCORSService()
newMailService()
newRegisterMailService()
newNotifyMailService()
newProxyService()
newWebhookService()
newMigrationsService()
newIndexerService()
newTaskService()
NewQueueService()
newProject()
newMimeTypeMap()
newFederationService()
}
// NewServicesForInstall initializes the services for install
func NewServicesForInstall() {
newService()
newMailService()
}
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