forked from writefreely/writefreely
/
config.go
347 lines (301 loc) · 9.42 KB
/
config.go
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/*
* Copyright © 2018-2021 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
// Package config holds and assists in the configuration of a writefreely instance.
package config
import (
"net/url"
"strings"
"github.com/go-ini/ini"
"github.com/writeas/web-core/log"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/extension"
"golang.org/x/net/idna"
"github.com/postfreely/postfreely/db"
)
const (
// FileName is the default configuration file name
FileName = "config.ini"
UserNormal UserType = "user"
UserAdmin = "admin"
)
type (
UserType string
// ServerCfg holds values that affect how the HTTP server runs
ServerCfg struct {
HiddenHost string `ini:"hidden_host"`
WWWPort int `ini:"port"`
Bind string `ini:"bind"`
TLSCertPath string `ini:"tls_cert_path"`
TLSKeyPath string `ini:"tls_key_path"`
Autocert bool `ini:"autocert"`
TemplatesParentDir string `ini:"templates_parent_dir"`
StaticParentDir string `ini:"static_parent_dir"`
PagesParentDir string `ini:"pages_parent_dir"`
KeysParentDir string `ini:"keys_parent_dir"`
HashSeed string `ini:"hash_seed"`
GopherPort int `ini:"gopher_port"`
Dev bool `ini:"-"`
}
// DatabaseCfg holds values that determine how the application connects to a datastore
DatabaseCfg struct {
Type string `ini:"type"`
FileName string `ini:"filename"`
User string `ini:"username"`
Password string `ini:"password"`
Database string `ini:"database"`
Host string `ini:"host"`
Port int `ini:"port"`
TLS bool `ini:"tls"`
}
WriteAsOauthCfg struct {
ClientID string `ini:"client_id"`
ClientSecret string `ini:"client_secret"`
AuthLocation string `ini:"auth_location"`
TokenLocation string `ini:"token_location"`
InspectLocation string `ini:"inspect_location"`
CallbackProxy string `ini:"callback_proxy"`
CallbackProxyAPI string `ini:"callback_proxy_api"`
}
GitlabOauthCfg struct {
ClientID string `ini:"client_id"`
ClientSecret string `ini:"client_secret"`
Host string `ini:"host"`
DisplayName string `ini:"display_name"`
CallbackProxy string `ini:"callback_proxy"`
CallbackProxyAPI string `ini:"callback_proxy_api"`
}
GiteaOauthCfg struct {
ClientID string `ini:"client_id"`
ClientSecret string `ini:"client_secret"`
Host string `ini:"host"`
DisplayName string `ini:"display_name"`
CallbackProxy string `ini:"callback_proxy"`
CallbackProxyAPI string `ini:"callback_proxy_api"`
}
SlackOauthCfg struct {
ClientID string `ini:"client_id"`
ClientSecret string `ini:"client_secret"`
TeamID string `ini:"team_id"`
CallbackProxy string `ini:"callback_proxy"`
CallbackProxyAPI string `ini:"callback_proxy_api"`
}
GenericOauthCfg struct {
ClientID string `ini:"client_id"`
ClientSecret string `ini:"client_secret"`
Host string `ini:"host"`
DisplayName string `ini:"display_name"`
CallbackProxy string `ini:"callback_proxy"`
CallbackProxyAPI string `ini:"callback_proxy_api"`
TokenEndpoint string `ini:"token_endpoint"`
InspectEndpoint string `ini:"inspect_endpoint"`
AuthEndpoint string `ini:"auth_endpoint"`
Scope string `ini:"scope"`
AllowDisconnect bool `ini:"allow_disconnect"`
MapUserID string `ini:"map_user_id"`
MapUsername string `ini:"map_username"`
MapDisplayName string `ini:"map_display_name"`
MapEmail string `ini:"map_email"`
}
// AppCfg holds values that affect how the application functions
AppCfg struct {
SiteName string `ini:"site_name"`
SiteDesc string `ini:"site_description"`
Host string `ini:"host"`
// Site appearance
Theme string `ini:"theme"`
Editor string `ini:"editor"`
JSDisabled bool `ini:"disable_js"`
WebFonts bool `ini:"webfonts"`
Landing string `ini:"landing"`
SimpleNav bool `ini:"simple_nav"`
WFModesty bool `ini:"wf_modesty"`
// Site functionality
Chorus bool `ini:"chorus"`
Forest bool `ini:"forest"` // The admin cares about the forest, not the trees. Hide unnecessary technical info.
DisableDrafts bool `ini:"disable_drafts"`
// Users
SingleUser bool `ini:"single_user"`
OpenRegistration bool `ini:"open_registration"`
OpenDeletion bool `ini:"open_deletion"`
MinUsernameLen int `ini:"min_username_len"`
MaxBlogs int `ini:"max_blogs"`
// Options for public instances
// Federation
Federation bool `ini:"federation"`
PublicStats bool `ini:"public_stats"`
Monetization bool `ini:"monetization"`
NotesOnly bool `ini:"notes_only"`
// Access
Private bool `ini:"private"`
// Additional functions
LocalTimeline bool `ini:"local_timeline"`
UserInvites string `ini:"user_invites"`
// Defaults
DefaultVisibility string `ini:"default_visibility"`
// Check for Updates
UpdateChecks bool `ini:"update_checks"`
// Disable password authentication if use only Oauth
DisablePasswordAuth bool `ini:"disable_password_auth"`
// Which Markdown renderer to use
Renderer string `ini:"markdown_renderer"`
// Options for the Goldmark renderer
RendererOptions string `ini:"markdown_options"`
// Conversion of options ready for the renderer
rendererExtensions []goldmark.Extender
}
// Config holds the complete configuration for running a writefreely instance
Config struct {
Server ServerCfg `ini:"server"`
Database DatabaseCfg `ini:"database"`
App AppCfg `ini:"app"`
SlackOauth SlackOauthCfg `ini:"oauth.slack"`
WriteAsOauth WriteAsOauthCfg `ini:"oauth.writeas"`
GitlabOauth GitlabOauthCfg `ini:"oauth.gitlab"`
GiteaOauth GiteaOauthCfg `ini:"oauth.gitea"`
GenericOauth GenericOauthCfg `ini:"oauth.generic"`
}
)
// New creates a new Config with sane defaults
func New() *Config {
c := &Config{
Server: ServerCfg{
WWWPort: 8080,
Bind: "localhost", /* IPV6 support when not using localhost? */
GopherPort: 7007,
},
App: AppCfg{
Host: "http://localhost:8080",
Theme: "write",
WebFonts: true,
SingleUser: true,
MinUsernameLen: 3,
MaxBlogs: 1,
Federation: true,
PublicStats: true,
},
}
c.UseMySQL(true)
return c
}
// UseMySQL resets the Config's Database to use default values for a MySQL setup.
func (cfg *Config) UseMySQL(fresh bool) {
cfg.Database.Type = db.TypeMySQL
if fresh {
cfg.Database.Host = "localhost"
cfg.Database.Port = 3306
}
}
// UseSQLite resets the Config's Database to use default values for a SQLite setup.
func (cfg *Config) UseSQLite(fresh bool) {
cfg.Database.Type = db.TypeSQLite
if fresh {
cfg.Database.FileName = "postfreely.db"
}
}
// IsSecureStandalone returns whether or not the application is running as a
// standalone server with TLS enabled.
func (cfg *Config) IsSecureStandalone() bool {
return cfg.Server.WWWPort == 443 && cfg.Server.TLSCertPath != "" && cfg.Server.TLSKeyPath != ""
}
func (ac *AppCfg) LandingPath() string {
if !strings.HasPrefix(ac.Landing, "/") {
return "/" + ac.Landing
}
return ac.Landing
}
func (ac AppCfg) SignupPath() string {
if !ac.OpenRegistration {
return ""
}
if ac.Chorus || ac.Private || (ac.Landing != "" && ac.Landing != "/") {
return "/signup"
}
return "/"
}
func (ac AppCfg) MarkdownRenderer() string {
if strings.EqualFold(ac.Renderer, "goldmark") {
return "goldmark"
}
return "saturday"
}
func (ac AppCfg) RendererExtensions() []goldmark.Extender {
if ac.rendererExtensions != nil {
return ac.rendererExtensions
}
var extlist []goldmark.Extender
optlist := strings.FieldsFunc(ac.RendererOptions, func(r rune) bool {
return r == ' ' || r == '\t' || r == ','
})
for _, opt := range optlist {
switch opt {
case "table":
extlist = append(extlist, extension.Table)
case "strikethrough":
extlist = append(extlist, extension.Strikethrough)
case "linkify":
extlist = append(extlist, extension.Linkify)
case "tasklist":
extlist = append(extlist, extension.TaskList)
case "gfm":
extlist = append(extlist, extension.GFM)
case "definitionlist":
extlist = append(extlist, extension.DefinitionList)
case "typographer":
extlist = append(extlist, extension.Typographer)
case "cjk":
extlist = append(extlist, extension.CJK)
}
}
ac.rendererExtensions = extlist
return extlist
}
// Load reads the given configuration file, then parses and returns it as a Config.
func Load(fname string) (*Config, error) {
if fname == "" {
fname = FileName
}
cfg, err := ini.Load(fname)
if err != nil {
return nil, err
}
// Parse INI file
uc := &Config{}
err = cfg.MapTo(uc)
if err != nil {
return nil, err
}
// Do any transformations
u, err := url.Parse(uc.App.Host)
if err != nil {
return nil, err
}
d, err := idna.ToASCII(u.Hostname())
if err != nil {
log.Error("idna.ToASCII for %s: %s", u.Hostname(), err)
return nil, err
}
uc.App.Host = u.Scheme + "://" + d
if u.Port() != "" {
uc.App.Host += ":" + u.Port()
}
return uc, nil
}
// Save writes the given Config to the given file.
func Save(uc *Config, fname string) error {
cfg := ini.Empty()
err := ini.ReflectFrom(cfg, uc)
if err != nil {
return err
}
if fname == "" {
fname = FileName
}
return cfg.SaveTo(fname)
}