hugo-wasm/config/allconfig/load.go
Bjørn Erik Pedersen 9b5f786df8 Deprecate kind, lang, and path from front matter
These were added to the page meta object when we implemented "pages from data", but were not meant to be used in front matter.

That is not supported, so we might as well add validation.

Fixes #12484
2025-02-10 21:22:43 +01:00

587 lines
17 KiB
Go

// Copyright 2024 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package allconfig contains the full configuration for Hugo.
package allconfig
import (
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/gobwas/glob"
"github.com/gohugoio/hugo/common/herrors"
"github.com/gohugoio/hugo/common/hexec"
"github.com/gohugoio/hugo/common/hugo"
"github.com/gohugoio/hugo/common/loggers"
"github.com/gohugoio/hugo/common/maps"
"github.com/gohugoio/hugo/common/paths"
"github.com/gohugoio/hugo/common/types"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
hglob "github.com/gohugoio/hugo/hugofs/glob"
"github.com/gohugoio/hugo/modules"
"github.com/gohugoio/hugo/parser/metadecoders"
"github.com/spf13/afero"
)
//lint:ignore ST1005 end user message.
var ErrNoConfigFile = errors.New("Unable to locate config file or config directory. Perhaps you need to create a new site.\n Run `hugo help new` for details.\n")
func LoadConfig(d ConfigSourceDescriptor) (*Configs, error) {
if len(d.Environ) == 0 && !hugo.IsRunningAsTest() {
d.Environ = os.Environ()
}
if d.Logger == nil {
d.Logger = loggers.NewDefault()
}
l := &configLoader{ConfigSourceDescriptor: d, cfg: config.New()}
// Make sure we always do this, even in error situations,
// as we have commands (e.g. "hugo mod init") that will
// use a partial configuration to do its job.
defer l.deleteMergeStrategies()
res, _, err := l.loadConfigMain(d)
if err != nil {
return nil, fmt.Errorf("failed to load config: %w", err)
}
configs, err := fromLoadConfigResult(d.Fs, d.Logger, res)
if err != nil {
return nil, fmt.Errorf("failed to create config from result: %w", err)
}
moduleConfig, modulesClient, err := l.loadModules(configs, d.IgnoreModuleDoesNotExist)
if err != nil {
return nil, fmt.Errorf("failed to load modules: %w", err)
}
if len(l.ModulesConfigFiles) > 0 {
// Config merged in from modules.
// Re-read the config.
configs, err = fromLoadConfigResult(d.Fs, d.Logger, res)
if err != nil {
return nil, fmt.Errorf("failed to create config from modules config: %w", err)
}
if err := configs.transientErr(); err != nil {
return nil, fmt.Errorf("failed to create config from modules config: %w", err)
}
configs.LoadingInfo.ConfigFiles = append(configs.LoadingInfo.ConfigFiles, l.ModulesConfigFiles...)
} else if err := configs.transientErr(); err != nil {
return nil, fmt.Errorf("failed to create config: %w", err)
}
configs.Modules = moduleConfig.AllModules
configs.ModulesClient = modulesClient
if err := configs.Init(); err != nil {
return nil, fmt.Errorf("failed to init config: %w", err)
}
loggers.SetGlobalLogger(d.Logger)
return configs, nil
}
// ConfigSourceDescriptor describes where to find the config (e.g. config.toml etc.).
type ConfigSourceDescriptor struct {
Fs afero.Fs
Logger loggers.Logger
// Config received from the command line.
// These will override any config file settings.
Flags config.Provider
// Path to the config file to use, e.g. /my/project/config.toml
Filename string
// The (optional) directory for additional configuration files.
ConfigDir string
// production, development
Environment string
// Defaults to os.Environ if not set.
Environ []string
// If set, this will be used to ignore the module does not exist error.
IgnoreModuleDoesNotExist bool
}
func (d ConfigSourceDescriptor) configFilenames() []string {
if d.Filename == "" {
return nil
}
return strings.Split(d.Filename, ",")
}
type configLoader struct {
cfg config.Provider
BaseConfig config.BaseConfig
ConfigSourceDescriptor
// collected
ModulesConfig modules.ModulesConfig
ModulesConfigFiles []string
}
// Handle some legacy values.
func (l configLoader) applyConfigAliases() error {
aliases := []types.KeyValueStr{
{Key: "indexes", Value: "taxonomies"},
{Key: "logI18nWarnings", Value: "printI18nWarnings"},
{Key: "logPathWarnings", Value: "printPathWarnings"},
{Key: "ignoreErrors", Value: "ignoreLogs"},
}
for _, alias := range aliases {
if l.cfg.IsSet(alias.Key) {
vv := l.cfg.Get(alias.Key)
l.cfg.Set(alias.Value, vv)
}
}
return nil
}
func (l configLoader) applyDefaultConfig() error {
defaultSettings := maps.Params{
"baseURL": "",
"cleanDestinationDir": false,
"watch": false,
"contentDir": "content",
"resourceDir": "resources",
"publishDir": "public",
"publishDirOrig": "public",
"themesDir": "themes",
"assetDir": "assets",
"layoutDir": "layouts",
"i18nDir": "i18n",
"dataDir": "data",
"archetypeDir": "archetypes",
"configDir": "config",
"staticDir": "static",
"buildDrafts": false,
"buildFuture": false,
"buildExpired": false,
"params": maps.Params{},
"environment": hugo.EnvironmentProduction,
"uglyURLs": false,
"verbose": false,
"ignoreCache": false,
"canonifyURLs": false,
"relativeURLs": false,
"removePathAccents": false,
"titleCaseStyle": "AP",
"taxonomies": maps.Params{"tag": "tags", "category": "categories"},
"permalinks": maps.Params{},
"sitemap": maps.Params{"priority": -1, "filename": "sitemap.xml"},
"menus": maps.Params{},
"disableLiveReload": false,
"pluralizeListTitles": true,
"capitalizeListTitles": true,
"forceSyncStatic": false,
"footnoteAnchorPrefix": "",
"footnoteReturnLinkContents": "",
"newContentEditor": "",
"paginate": 0, // Moved into the paginator struct in Hugo v0.128.0.
"paginatePath": "", // Moved into the paginator struct in Hugo v0.128.0.
"summaryLength": 70,
"rssLimit": -1,
"sectionPagesMenu": "",
"disablePathToLower": false,
"hasCJKLanguage": false,
"enableEmoji": false,
"defaultContentLanguage": "en",
"defaultContentLanguageInSubdir": false,
"enableMissingTranslationPlaceholders": false,
"enableGitInfo": false,
"ignoreFiles": make([]string, 0),
"disableAliases": false,
"debug": false,
"disableFastRender": false,
"timeout": "30s",
"timeZone": "",
"enableInlineShortcodes": false,
}
l.cfg.SetDefaults(defaultSettings)
return nil
}
func (l configLoader) normalizeCfg(cfg config.Provider) error {
if b, ok := cfg.Get("minifyOutput").(bool); ok && b {
cfg.Set("minify.minifyOutput", true)
} else if b, ok := cfg.Get("minify").(bool); ok && b {
cfg.Set("minify", maps.Params{"minifyOutput": true})
}
return nil
}
func (l configLoader) cleanExternalConfig(cfg config.Provider) error {
if cfg.IsSet("internal") {
cfg.Set("internal", nil)
}
return nil
}
func (l configLoader) applyFlagsOverrides(cfg config.Provider) error {
for _, k := range cfg.Keys() {
l.cfg.Set(k, cfg.Get(k))
}
return nil
}
func (l configLoader) applyOsEnvOverrides(environ []string) error {
if len(environ) == 0 {
return nil
}
const delim = "__env__delim"
// Extract all that start with the HUGO prefix.
// The delimiter is the following rune, usually "_".
const hugoEnvPrefix = "HUGO"
var hugoEnv []types.KeyValueStr
for _, v := range environ {
key, val := config.SplitEnvVar(v)
if strings.HasPrefix(key, hugoEnvPrefix) {
delimiterAndKey := strings.TrimPrefix(key, hugoEnvPrefix)
if len(delimiterAndKey) < 2 {
continue
}
// Allow delimiters to be case sensitive.
// It turns out there isn't that many allowed special
// chars in environment variables when used in Bash and similar,
// so variables on the form HUGOxPARAMSxFOO=bar is one option.
key := strings.ReplaceAll(delimiterAndKey[1:], delimiterAndKey[:1], delim)
key = strings.ToLower(key)
hugoEnv = append(hugoEnv, types.KeyValueStr{
Key: key,
Value: val,
})
}
}
for _, env := range hugoEnv {
existing, nestedKey, owner, err := maps.GetNestedParamFn(env.Key, delim, l.cfg.Get)
if err != nil {
return err
}
if existing != nil {
val, err := metadecoders.Default.UnmarshalStringTo(env.Value, existing)
if err != nil {
continue
}
if owner != nil {
owner[nestedKey] = val
} else {
l.cfg.Set(env.Key, val)
}
} else {
if nestedKey != "" {
owner[nestedKey] = env.Value
} else {
var val any
key := strings.ReplaceAll(env.Key, delim, ".")
_, ok := allDecoderSetups[key]
if ok {
// A map.
if v, err := metadecoders.Default.UnmarshalStringTo(env.Value, map[string]interface{}{}); err == nil {
val = v
}
}
if val == nil {
// A string.
val = l.envStringToVal(key, env.Value)
}
l.cfg.Set(key, val)
}
}
}
return nil
}
func (l *configLoader) envStringToVal(k, v string) any {
switch k {
case "disablekinds", "disablelanguages":
if strings.Contains(v, ",") {
return strings.Split(v, ",")
} else {
return strings.Fields(v)
}
default:
return v
}
}
func (l *configLoader) loadConfigMain(d ConfigSourceDescriptor) (config.LoadConfigResult, modules.ModulesConfig, error) {
var res config.LoadConfigResult
if d.Flags != nil {
if err := l.normalizeCfg(d.Flags); err != nil {
return res, l.ModulesConfig, err
}
}
if d.Fs == nil {
return res, l.ModulesConfig, errors.New("no filesystem provided")
}
if d.Flags != nil {
if err := l.applyFlagsOverrides(d.Flags); err != nil {
return res, l.ModulesConfig, err
}
workingDir := filepath.Clean(l.cfg.GetString("workingDir"))
l.BaseConfig = config.BaseConfig{
WorkingDir: workingDir,
ThemesDir: paths.AbsPathify(workingDir, l.cfg.GetString("themesDir")),
}
}
names := d.configFilenames()
if names != nil {
for _, name := range names {
var filename string
filename, err := l.loadConfig(name)
if err == nil {
res.ConfigFiles = append(res.ConfigFiles, filename)
} else if err != ErrNoConfigFile {
return res, l.ModulesConfig, l.wrapFileError(err, filename)
}
}
} else {
for _, name := range config.DefaultConfigNames {
var filename string
filename, err := l.loadConfig(name)
if err == nil {
res.ConfigFiles = append(res.ConfigFiles, filename)
break
} else if err != ErrNoConfigFile {
return res, l.ModulesConfig, l.wrapFileError(err, filename)
}
}
}
if d.ConfigDir != "" {
absConfigDir := paths.AbsPathify(l.BaseConfig.WorkingDir, d.ConfigDir)
dcfg, dirnames, err := config.LoadConfigFromDir(l.Fs, absConfigDir, l.Environment)
if err == nil {
if len(dirnames) > 0 {
if err := l.normalizeCfg(dcfg); err != nil {
return res, l.ModulesConfig, err
}
if err := l.cleanExternalConfig(dcfg); err != nil {
return res, l.ModulesConfig, err
}
l.cfg.Set("", dcfg.Get(""))
res.ConfigFiles = append(res.ConfigFiles, dirnames...)
}
} else if err != ErrNoConfigFile {
if len(dirnames) > 0 {
return res, l.ModulesConfig, l.wrapFileError(err, dirnames[0])
}
return res, l.ModulesConfig, err
}
}
res.Cfg = l.cfg
if err := l.applyDefaultConfig(); err != nil {
return res, l.ModulesConfig, err
}
// Some settings are used before we're done collecting all settings,
// so apply OS environment both before and after.
if err := l.applyOsEnvOverrides(d.Environ); err != nil {
return res, l.ModulesConfig, err
}
workingDir := filepath.Clean(l.cfg.GetString("workingDir"))
l.BaseConfig = config.BaseConfig{
WorkingDir: workingDir,
CacheDir: l.cfg.GetString("cacheDir"),
ThemesDir: paths.AbsPathify(workingDir, l.cfg.GetString("themesDir")),
}
var err error
l.BaseConfig.CacheDir, err = helpers.GetCacheDir(l.Fs, l.BaseConfig.CacheDir)
if err != nil {
return res, l.ModulesConfig, err
}
res.BaseConfig = l.BaseConfig
l.cfg.SetDefaultMergeStrategy()
res.ConfigFiles = append(res.ConfigFiles, l.ModulesConfigFiles...)
if d.Flags != nil {
if err := l.applyFlagsOverrides(d.Flags); err != nil {
return res, l.ModulesConfig, err
}
}
if err := l.applyOsEnvOverrides(d.Environ); err != nil {
return res, l.ModulesConfig, err
}
if err = l.applyConfigAliases(); err != nil {
return res, l.ModulesConfig, err
}
return res, l.ModulesConfig, err
}
func (l *configLoader) loadModules(configs *Configs, ignoreModuleDoesNotExist bool) (modules.ModulesConfig, *modules.Client, error) {
bcfg := configs.LoadingInfo.BaseConfig
conf := configs.Base
workingDir := bcfg.WorkingDir
themesDir := bcfg.ThemesDir
publishDir := bcfg.PublishDir
cfg := configs.LoadingInfo.Cfg
var ignoreVendor glob.Glob
if s := conf.IgnoreVendorPaths; s != "" {
ignoreVendor, _ = hglob.GetGlob(hglob.NormalizePath(s))
}
ex := hexec.New(conf.Security, workingDir, l.Logger)
hook := func(m *modules.ModulesConfig) error {
for _, tc := range m.AllModules {
if len(tc.ConfigFilenames()) > 0 {
if tc.Watch() {
l.ModulesConfigFiles = append(l.ModulesConfigFiles, tc.ConfigFilenames()...)
}
// Merge in the theme config using the configured
// merge strategy.
cfg.Merge("", tc.Cfg().Get(""))
}
}
return nil
}
modulesClient := modules.NewClient(modules.ClientConfig{
Fs: l.Fs,
Logger: l.Logger,
Exec: ex,
HookBeforeFinalize: hook,
WorkingDir: workingDir,
ThemesDir: themesDir,
PublishDir: publishDir,
Environment: l.Environment,
CacheDir: conf.Caches.CacheDirModules(),
ModuleConfig: conf.Module,
IgnoreVendor: ignoreVendor,
IgnoreModuleDoesNotExist: ignoreModuleDoesNotExist,
})
moduleConfig, err := modulesClient.Collect()
// We want to watch these for changes and trigger rebuild on version
// changes etc.
if moduleConfig.GoModulesFilename != "" {
l.ModulesConfigFiles = append(l.ModulesConfigFiles, moduleConfig.GoModulesFilename)
}
if moduleConfig.GoWorkspaceFilename != "" {
l.ModulesConfigFiles = append(l.ModulesConfigFiles, moduleConfig.GoWorkspaceFilename)
}
return moduleConfig, modulesClient, err
}
func (l configLoader) loadConfig(configName string) (string, error) {
baseDir := l.BaseConfig.WorkingDir
var baseFilename string
if filepath.IsAbs(configName) {
baseFilename = configName
} else {
baseFilename = filepath.Join(baseDir, configName)
}
var filename string
if paths.ExtNoDelimiter(configName) != "" {
exists, _ := helpers.Exists(baseFilename, l.Fs)
if exists {
filename = baseFilename
}
} else {
for _, ext := range config.ValidConfigFileExtensions {
filenameToCheck := baseFilename + "." + ext
exists, _ := helpers.Exists(filenameToCheck, l.Fs)
if exists {
filename = filenameToCheck
break
}
}
}
if filename == "" {
return "", ErrNoConfigFile
}
m, err := config.FromFileToMap(l.Fs, filename)
if err != nil {
return filename, err
}
// Set overwrites keys of the same name, recursively.
l.cfg.Set("", m)
if err := l.normalizeCfg(l.cfg); err != nil {
return filename, err
}
if err := l.cleanExternalConfig(l.cfg); err != nil {
return filename, err
}
return filename, nil
}
func (l configLoader) deleteMergeStrategies() {
l.cfg.WalkParams(func(params ...maps.KeyParams) bool {
params[len(params)-1].Params.DeleteMergeStrategy()
return false
})
}
func (l configLoader) wrapFileError(err error, filename string) error {
fe := herrors.UnwrapFileError(err)
if fe != nil {
pos := fe.Position()
pos.Filename = filename
fe.UpdatePosition(pos)
return err
}
return herrors.NewFileErrorFromFile(err, filename, l.Fs, nil)
}