writefreely/config/config.go
Matt Baer 2ea235f0c4 Support email subscriptions (base)
This adds beginning email subscription functionality, with only MySQL support,
Mailgun support, and incomplete support for private instances. It includes
database changes, so run:

    writefreely db migrate

to use this feature.

Ref T856
2021-06-21 18:24:40 -04:00

306 lines
8.2 KiB
Go

/*
* Copyright © 2018-2021 A Bunch Tell 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/writeas/web-core/log"
"golang.org/x/net/idna"
"gopkg.in/ini.v1"
)
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"`
Port 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"`
}
LettersCfg struct {
Domain string `ini:"domain"`
MailgunPrivate string `ini:"mailgun_private"`
}
// Config holds the complete configuration for running a writefreely instance
Config struct {
Server ServerCfg `ini:"server"`
Database DatabaseCfg `ini:"database"`
App AppCfg `ini:"app"`
Letters LettersCfg `ini:"letters"`
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{
Port: 8080,
Bind: "localhost", /* IPV6 support when not using localhost? */
},
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 = "mysql"
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 = "sqlite3"
if fresh {
cfg.Database.FileName = "writefreely.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.Port == 443 && cfg.Server.TLSCertPath != "" && cfg.Server.TLSKeyPath != ""
}
func (ac *AppCfg) LandingPath() string {
if !strings.HasPrefix(ac.Landing, "/") {
return "/" + ac.Landing
}
return ac.Landing
}
func (lc LettersCfg) Enabled() bool {
return lc.Domain != "" && lc.MailgunPrivate != ""
}
func (ac AppCfg) SignupPath() string {
if !ac.OpenRegistration {
return ""
}
if ac.Chorus || ac.Private || (ac.Landing != "" && ac.Landing != "/") {
return "/signup"
}
return "/"
}
// 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)
}