306 lines
8.2 KiB
Go
306 lines
8.2 KiB
Go
/*
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* Copyright © 2018-2021 Musing Studio LLC.
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*
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* This file is part of WriteFreely.
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*
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* WriteFreely is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, included
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* in the LICENSE file in this source code package.
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*/
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// Package config holds and assists in the configuration of a writefreely instance.
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package config
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import (
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"net/url"
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"strings"
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"github.com/go-ini/ini"
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"github.com/writeas/web-core/log"
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"golang.org/x/net/idna"
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)
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const (
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// FileName is the default configuration file name
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FileName = "config.ini"
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UserNormal UserType = "user"
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UserAdmin = "admin"
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)
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type (
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UserType string
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// ServerCfg holds values that affect how the HTTP server runs
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ServerCfg struct {
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HiddenHost string `ini:"hidden_host"`
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Port int `ini:"port"`
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Bind string `ini:"bind"`
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TLSCertPath string `ini:"tls_cert_path"`
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TLSKeyPath string `ini:"tls_key_path"`
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Autocert bool `ini:"autocert"`
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TemplatesParentDir string `ini:"templates_parent_dir"`
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StaticParentDir string `ini:"static_parent_dir"`
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PagesParentDir string `ini:"pages_parent_dir"`
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KeysParentDir string `ini:"keys_parent_dir"`
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HashSeed string `ini:"hash_seed"`
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GopherPort int `ini:"gopher_port"`
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Dev bool `ini:"-"`
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}
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// DatabaseCfg holds values that determine how the application connects to a datastore
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DatabaseCfg struct {
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Type string `ini:"type"`
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FileName string `ini:"filename"`
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User string `ini:"username"`
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Password string `ini:"password"`
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Database string `ini:"database"`
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Host string `ini:"host"`
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Port int `ini:"port"`
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TLS bool `ini:"tls"`
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}
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WriteAsOauthCfg struct {
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ClientID string `ini:"client_id"`
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ClientSecret string `ini:"client_secret"`
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AuthLocation string `ini:"auth_location"`
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TokenLocation string `ini:"token_location"`
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InspectLocation string `ini:"inspect_location"`
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CallbackProxy string `ini:"callback_proxy"`
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CallbackProxyAPI string `ini:"callback_proxy_api"`
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}
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GitlabOauthCfg struct {
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ClientID string `ini:"client_id"`
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ClientSecret string `ini:"client_secret"`
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Host string `ini:"host"`
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DisplayName string `ini:"display_name"`
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CallbackProxy string `ini:"callback_proxy"`
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CallbackProxyAPI string `ini:"callback_proxy_api"`
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}
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GiteaOauthCfg struct {
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ClientID string `ini:"client_id"`
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ClientSecret string `ini:"client_secret"`
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Host string `ini:"host"`
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DisplayName string `ini:"display_name"`
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CallbackProxy string `ini:"callback_proxy"`
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CallbackProxyAPI string `ini:"callback_proxy_api"`
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}
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SlackOauthCfg struct {
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ClientID string `ini:"client_id"`
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ClientSecret string `ini:"client_secret"`
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TeamID string `ini:"team_id"`
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CallbackProxy string `ini:"callback_proxy"`
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CallbackProxyAPI string `ini:"callback_proxy_api"`
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}
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GenericOauthCfg struct {
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ClientID string `ini:"client_id"`
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ClientSecret string `ini:"client_secret"`
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Host string `ini:"host"`
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DisplayName string `ini:"display_name"`
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CallbackProxy string `ini:"callback_proxy"`
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CallbackProxyAPI string `ini:"callback_proxy_api"`
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TokenEndpoint string `ini:"token_endpoint"`
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InspectEndpoint string `ini:"inspect_endpoint"`
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AuthEndpoint string `ini:"auth_endpoint"`
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Scope string `ini:"scope"`
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AllowDisconnect bool `ini:"allow_disconnect"`
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MapUserID string `ini:"map_user_id"`
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MapUsername string `ini:"map_username"`
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MapDisplayName string `ini:"map_display_name"`
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MapEmail string `ini:"map_email"`
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}
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// AppCfg holds values that affect how the application functions
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AppCfg struct {
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SiteName string `ini:"site_name"`
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SiteDesc string `ini:"site_description"`
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Host string `ini:"host"`
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// Site appearance
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Theme string `ini:"theme"`
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Editor string `ini:"editor"`
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JSDisabled bool `ini:"disable_js"`
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WebFonts bool `ini:"webfonts"`
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Landing string `ini:"landing"`
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SimpleNav bool `ini:"simple_nav"`
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WFModesty bool `ini:"wf_modesty"`
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// Site functionality
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Chorus bool `ini:"chorus"`
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Forest bool `ini:"forest"` // The admin cares about the forest, not the trees. Hide unnecessary technical info.
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DisableDrafts bool `ini:"disable_drafts"`
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// Users
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SingleUser bool `ini:"single_user"`
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OpenRegistration bool `ini:"open_registration"`
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OpenDeletion bool `ini:"open_deletion"`
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MinUsernameLen int `ini:"min_username_len"`
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MaxBlogs int `ini:"max_blogs"`
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// Options for public instances
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// Federation
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Federation bool `ini:"federation"`
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PublicStats bool `ini:"public_stats"`
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Monetization bool `ini:"monetization"`
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NotesOnly bool `ini:"notes_only"`
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// Access
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Private bool `ini:"private"`
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// Additional functions
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LocalTimeline bool `ini:"local_timeline"`
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UserInvites string `ini:"user_invites"`
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// Defaults
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DefaultVisibility string `ini:"default_visibility"`
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// Check for Updates
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UpdateChecks bool `ini:"update_checks"`
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// Disable password authentication if use only Oauth
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DisablePasswordAuth bool `ini:"disable_password_auth"`
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}
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EmailCfg struct {
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Domain string `ini:"domain"`
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MailgunPrivate string `ini:"mailgun_private"`
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}
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// Config holds the complete configuration for running a writefreely instance
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Config struct {
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Server ServerCfg `ini:"server"`
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Database DatabaseCfg `ini:"database"`
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App AppCfg `ini:"app"`
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Email EmailCfg `ini:"email"`
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SlackOauth SlackOauthCfg `ini:"oauth.slack"`
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WriteAsOauth WriteAsOauthCfg `ini:"oauth.writeas"`
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GitlabOauth GitlabOauthCfg `ini:"oauth.gitlab"`
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GiteaOauth GiteaOauthCfg `ini:"oauth.gitea"`
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GenericOauth GenericOauthCfg `ini:"oauth.generic"`
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}
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)
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// New creates a new Config with sane defaults
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func New() *Config {
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c := &Config{
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Server: ServerCfg{
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Port: 8080,
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Bind: "localhost", /* IPV6 support when not using localhost? */
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},
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App: AppCfg{
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Host: "http://localhost:8080",
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Theme: "write",
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WebFonts: true,
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SingleUser: true,
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MinUsernameLen: 3,
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MaxBlogs: 1,
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Federation: true,
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PublicStats: true,
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},
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}
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c.UseMySQL(true)
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return c
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}
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// UseMySQL resets the Config's Database to use default values for a MySQL setup.
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func (cfg *Config) UseMySQL(fresh bool) {
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cfg.Database.Type = "mysql"
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if fresh {
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cfg.Database.Host = "localhost"
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cfg.Database.Port = 3306
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}
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}
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// UseSQLite resets the Config's Database to use default values for a SQLite setup.
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func (cfg *Config) UseSQLite(fresh bool) {
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cfg.Database.Type = "sqlite3"
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if fresh {
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cfg.Database.FileName = "writefreely.db"
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}
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}
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// IsSecureStandalone returns whether or not the application is running as a
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// standalone server with TLS enabled.
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func (cfg *Config) IsSecureStandalone() bool {
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return cfg.Server.Port == 443 && cfg.Server.TLSCertPath != "" && cfg.Server.TLSKeyPath != ""
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}
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func (ac *AppCfg) LandingPath() string {
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if !strings.HasPrefix(ac.Landing, "/") {
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return "/" + ac.Landing
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}
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return ac.Landing
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}
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func (lc EmailCfg) Enabled() bool {
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return lc.Domain != "" && lc.MailgunPrivate != ""
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}
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func (ac AppCfg) SignupPath() string {
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if !ac.OpenRegistration {
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return ""
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}
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if ac.Chorus || ac.Private || (ac.Landing != "" && ac.Landing != "/") {
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return "/signup"
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}
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return "/"
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}
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// Load reads the given configuration file, then parses and returns it as a Config.
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func Load(fname string) (*Config, error) {
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if fname == "" {
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fname = FileName
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}
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cfg, err := ini.Load(fname)
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if err != nil {
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return nil, err
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}
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// Parse INI file
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uc := &Config{}
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err = cfg.MapTo(uc)
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if err != nil {
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return nil, err
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}
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// Do any transformations
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u, err := url.Parse(uc.App.Host)
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if err != nil {
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return nil, err
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}
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d, err := idna.ToASCII(u.Hostname())
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if err != nil {
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log.Error("idna.ToASCII for %s: %s", u.Hostname(), err)
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return nil, err
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}
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uc.App.Host = u.Scheme + "://" + d
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if u.Port() != "" {
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uc.App.Host += ":" + u.Port()
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}
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return uc, nil
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}
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// Save writes the given Config to the given file.
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func Save(uc *Config, fname string) error {
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cfg := ini.Empty()
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err := ini.ReflectFrom(cfg, uc)
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if err != nil {
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return err
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}
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if fname == "" {
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fname = FileName
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}
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return cfg.SaveTo(fname)
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}
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