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https://github.com/go-gitea/gitea.git
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8302b95d6b
Backport #25395 by @wxiaoguang That's a longstanding INI package problem: the "MustXxx" calls change the option values, and the following "Save" will save a lot of garbage options into the user's config file. Ideally we should refactor the INI package to a clear solution, but it's a huge work. A clear workaround is what this PR does: when "Save", load a clear INI instance and save it. Partially fix #25377, the "install" page needs more fine tunes. Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
328 lines
10 KiB
Go
328 lines
10 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package setting
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import (
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"errors"
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"fmt"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"runtime"
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"strings"
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"time"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/user"
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)
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// settings
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var (
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// AppVer is the version of the current build of Gitea. It is set in main.go from main.Version.
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AppVer string
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// AppBuiltWith represents a human-readable version go runtime build version and build tags. (See main.go formatBuiltWith().)
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AppBuiltWith string
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// AppStartTime store time gitea has started
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AppStartTime time.Time
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// AppPath represents the path to the gitea binary
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AppPath string
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// AppWorkPath is the "working directory" of Gitea. It maps to the environment variable GITEA_WORK_DIR.
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// If that is not set it is the default set here by the linker or failing that the directory of AppPath.
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//
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// AppWorkPath is used as the base path for several other paths.
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AppWorkPath string
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// Other global setting objects
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CfgProvider ConfigProvider
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CustomPath string // Custom directory path
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CustomConf string
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RunMode string
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RunUser string
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IsProd bool
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IsWindows bool
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// IsInTesting indicates whether the testing is running. A lot of unreliable code causes a lot of nonsense error logs during testing
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// TODO: this is only a temporary solution, we should make the test code more reliable
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IsInTesting = false
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)
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func getAppPath() (string, error) {
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var appPath string
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var err error
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if IsWindows && filepath.IsAbs(os.Args[0]) {
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appPath = filepath.Clean(os.Args[0])
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} else {
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appPath, err = exec.LookPath(os.Args[0])
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}
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if err != nil {
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if !errors.Is(err, exec.ErrDot) {
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return "", err
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}
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appPath, err = filepath.Abs(os.Args[0])
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}
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if err != nil {
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return "", err
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}
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appPath, err = filepath.Abs(appPath)
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if err != nil {
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return "", err
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}
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// Note: we don't use path.Dir here because it does not handle case
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// which path starts with two "/" in Windows: "//psf/Home/..."
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return strings.ReplaceAll(appPath, "\\", "/"), err
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}
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func getWorkPath(appPath string) string {
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workPath := AppWorkPath
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if giteaWorkPath, ok := os.LookupEnv("GITEA_WORK_DIR"); ok {
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workPath = giteaWorkPath
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}
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if len(workPath) == 0 {
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i := strings.LastIndex(appPath, "/")
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if i == -1 {
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workPath = appPath
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} else {
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workPath = appPath[:i]
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}
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}
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workPath = strings.ReplaceAll(workPath, "\\", "/")
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if !filepath.IsAbs(workPath) {
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log.Info("Provided work path %s is not absolute - will be made absolute against the current working directory", workPath)
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absPath, err := filepath.Abs(workPath)
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if err != nil {
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log.Error("Unable to absolute %s against the current working directory %v. Will absolute against the AppPath %s", workPath, err, appPath)
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workPath = filepath.Join(appPath, workPath)
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} else {
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workPath = absPath
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}
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}
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return strings.ReplaceAll(workPath, "\\", "/")
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}
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func init() {
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IsWindows = runtime.GOOS == "windows"
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if AppVer == "" {
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AppVer = "dev"
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}
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// We can rely on log.CanColorStdout being set properly because modules/log/console_windows.go comes before modules/setting/setting.go lexicographically
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// By default set this logger at Info - we'll change it later, but we need to start with something.
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log.SetConsoleLogger(log.DEFAULT, "console", log.INFO)
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var err error
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if AppPath, err = getAppPath(); err != nil {
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log.Fatal("Failed to get app path: %v", err)
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}
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AppWorkPath = getWorkPath(AppPath)
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}
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// IsRunUserMatchCurrentUser returns false if configured run user does not match
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// actual user that runs the app. The first return value is the actual user name.
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// This check is ignored under Windows since SSH remote login is not the main
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// method to login on Windows.
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func IsRunUserMatchCurrentUser(runUser string) (string, bool) {
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if IsWindows || SSH.StartBuiltinServer {
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return "", true
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}
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currentUser := user.CurrentUsername()
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return currentUser, runUser == currentUser
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}
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// SetCustomPathAndConf will set CustomPath and CustomConf with reference to the
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// GITEA_CUSTOM environment variable and with provided overrides before stepping
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// back to the default
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func SetCustomPathAndConf(providedCustom, providedConf, providedWorkPath string) {
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if len(providedWorkPath) != 0 {
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AppWorkPath = filepath.ToSlash(providedWorkPath)
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}
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if giteaCustom, ok := os.LookupEnv("GITEA_CUSTOM"); ok {
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CustomPath = giteaCustom
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}
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if len(providedCustom) != 0 {
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CustomPath = providedCustom
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}
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if len(CustomPath) == 0 {
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CustomPath = path.Join(AppWorkPath, "custom")
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} else if !filepath.IsAbs(CustomPath) {
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CustomPath = path.Join(AppWorkPath, CustomPath)
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}
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if len(providedConf) != 0 {
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CustomConf = providedConf
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}
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if len(CustomConf) == 0 {
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CustomConf = path.Join(CustomPath, "conf/app.ini")
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} else if !filepath.IsAbs(CustomConf) {
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CustomConf = path.Join(CustomPath, CustomConf)
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log.Warn("Using 'custom' directory as relative origin for configuration file: '%s'", CustomConf)
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}
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}
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// PrepareAppDataPath creates app data directory if necessary
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func PrepareAppDataPath() error {
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// FIXME: There are too many calls to MkdirAll in old code. It is incorrect.
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// For example, if someDir=/mnt/vol1/gitea-home/data, if the mount point /mnt/vol1 is not mounted when Gitea runs,
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// then gitea will make new empty directories in /mnt/vol1, all are stored in the root filesystem.
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// The correct behavior should be: creating parent directories is end users' duty. We only create sub-directories in existing parent directories.
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// For quickstart, the parent directories should be created automatically for first startup (eg: a flag or a check of INSTALL_LOCK).
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// Now we can take the first step to do correctly (using Mkdir) in other packages, and prepare the AppDataPath here, then make a refactor in future.
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st, err := os.Stat(AppDataPath)
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if os.IsNotExist(err) {
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err = os.MkdirAll(AppDataPath, os.ModePerm)
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if err != nil {
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return fmt.Errorf("unable to create the APP_DATA_PATH directory: %q, Error: %w", AppDataPath, err)
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}
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return nil
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}
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if err != nil {
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return fmt.Errorf("unable to use APP_DATA_PATH %q. Error: %w", AppDataPath, err)
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}
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if !st.IsDir() /* also works for symlink */ {
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return fmt.Errorf("the APP_DATA_PATH %q is not a directory (or symlink to a directory) and can't be used", AppDataPath)
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}
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return nil
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}
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func Init(opts *Options) {
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if opts.CustomConf == "" {
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opts.CustomConf = CustomConf
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}
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var err error
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CfgProvider, err = NewConfigProviderFromFile(opts)
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CfgProvider.DisableSaving() // do not allow saving the CfgProvider into file, it will be polluted by the "MustXxx" calls
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if err != nil {
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log.Fatal("newConfigProviderFromFile[%v]: %v", opts, err)
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}
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if !opts.DisableLoadCommonSettings {
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if err := loadCommonSettingsFrom(CfgProvider); err != nil {
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log.Fatal("loadCommonSettingsFrom[%v]: %v", opts, err)
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}
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}
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}
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// loadCommonSettingsFrom loads common configurations from a configuration provider.
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func loadCommonSettingsFrom(cfg ConfigProvider) error {
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// WARNING: don't change the sequence except you know what you are doing.
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loadRunModeFrom(cfg)
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loadLogGlobalFrom(cfg)
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loadServerFrom(cfg)
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loadSSHFrom(cfg)
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mustCurrentRunUserMatch(cfg) // it depends on the SSH config, only non-builtin SSH server requires this check
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loadOAuth2From(cfg)
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loadSecurityFrom(cfg)
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if err := loadAttachmentFrom(cfg); err != nil {
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return err
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}
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if err := loadLFSFrom(cfg); err != nil {
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return err
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}
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loadTimeFrom(cfg)
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loadRepositoryFrom(cfg)
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if err := loadAvatarsFrom(cfg); err != nil {
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return err
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}
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if err := loadRepoAvatarFrom(cfg); err != nil {
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return err
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}
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if err := loadPackagesFrom(cfg); err != nil {
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return err
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}
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if err := loadActionsFrom(cfg); err != nil {
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return err
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}
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loadUIFrom(cfg)
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loadAdminFrom(cfg)
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loadAPIFrom(cfg)
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loadMetricsFrom(cfg)
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loadCamoFrom(cfg)
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loadI18nFrom(cfg)
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loadGitFrom(cfg)
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loadMirrorFrom(cfg)
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loadMarkupFrom(cfg)
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loadOtherFrom(cfg)
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return nil
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}
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func loadRunModeFrom(rootCfg ConfigProvider) {
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rootSec := rootCfg.Section("")
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RunUser = rootSec.Key("RUN_USER").MustString(user.CurrentUsername())
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// The following is a purposefully undocumented option. Please do not run Gitea as root. It will only cause future headaches.
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// Please don't use root as a bandaid to "fix" something that is broken, instead the broken thing should instead be fixed properly.
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unsafeAllowRunAsRoot := ConfigSectionKeyBool(rootSec, "I_AM_BEING_UNSAFE_RUNNING_AS_ROOT")
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RunMode = os.Getenv("GITEA_RUN_MODE")
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if RunMode == "" {
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RunMode = rootSec.Key("RUN_MODE").MustString("prod")
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}
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// non-dev mode is treated as prod mode, to protect users from accidentally running in dev mode if there is a typo in this value.
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RunMode = strings.ToLower(RunMode)
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if RunMode != "dev" {
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RunMode = "prod"
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}
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IsProd = RunMode != "dev"
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// check if we run as root
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if os.Getuid() == 0 {
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if !unsafeAllowRunAsRoot {
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// Special thanks to VLC which inspired the wording of this messaging.
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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")
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}
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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.")
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}
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}
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func mustCurrentRunUserMatch(rootCfg ConfigProvider) {
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// Does not check run user when the "InstallLock" is off.
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installLock := rootCfg.Section("security").Key("INSTALL_LOCK").MustBool(false)
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if installLock {
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currentUser, match := IsRunUserMatchCurrentUser(RunUser)
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if !match {
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log.Fatal("Expect user '%s' but current user is: %s", RunUser, currentUser)
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}
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}
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}
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// LoadSettings initializes the settings for normal start up
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func LoadSettings() {
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initAllLoggers()
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loadDBSetting(CfgProvider)
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loadServiceFrom(CfgProvider)
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loadOAuth2ClientFrom(CfgProvider)
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loadCacheFrom(CfgProvider)
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loadSessionFrom(CfgProvider)
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loadCorsFrom(CfgProvider)
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loadMailsFrom(CfgProvider)
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loadProxyFrom(CfgProvider)
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loadWebhookFrom(CfgProvider)
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loadMigrationsFrom(CfgProvider)
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loadIndexerFrom(CfgProvider)
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loadTaskFrom(CfgProvider)
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LoadQueueSettings()
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loadProjectFrom(CfgProvider)
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loadMimeTypeMapFrom(CfgProvider)
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loadFederationFrom(CfgProvider)
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}
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// LoadSettingsForInstall initializes the settings for install
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func LoadSettingsForInstall() {
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loadDBSetting(CfgProvider)
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loadServiceFrom(CfgProvider)
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loadMailerFrom(CfgProvider)
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}
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