459 lines
14 KiB
Go
459 lines
14 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program 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 as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package config
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import (
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"errors"
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"fmt"
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"os"
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"gopkg.in/yaml.v2"
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)
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// Flags and usage strings for configuration.
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const (
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UsernameFlag = "username"
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UsernameUsage = "the username to create/delete/etc"
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EmailFlag = "email"
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EmailUsage = "the email address of this account"
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PasswordFlag = "password"
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PasswordUsage = "the password to set for this account"
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)
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// Config pulls together all the configuration needed to run gotosocial
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type Config struct {
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/*
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Parseable from .yaml configuration file.
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For long-running commands (server start etc).
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*/
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LogLevel string `yaml:"logLevel"`
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ApplicationName string `yaml:"applicationName"`
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Host string `yaml:"host"`
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Protocol string `yaml:"protocol"`
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DBConfig *DBConfig `yaml:"db"`
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TemplateConfig *TemplateConfig `yaml:"template"`
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AccountsConfig *AccountsConfig `yaml:"accounts"`
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MediaConfig *MediaConfig `yaml:"media"`
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StorageConfig *StorageConfig `yaml:"storage"`
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StatusesConfig *StatusesConfig `yaml:"statuses"`
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LetsEncryptConfig *LetsEncryptConfig `yaml:"letsEncrypt"`
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/*
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Not parsed from .yaml configuration file.
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*/
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AccountCLIFlags map[string]string
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SoftwareVersion string
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}
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// FromFile returns a new config from a file, or an error if something goes amiss.
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func FromFile(path string) (*Config, error) {
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if path != "" {
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c, err := loadFromFile(path)
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if err != nil {
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return nil, fmt.Errorf("error creating config: %s", err)
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}
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return c, nil
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}
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return Empty(), nil
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}
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// Empty just returns a new empty config
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func Empty() *Config {
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return &Config{
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DBConfig: &DBConfig{},
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TemplateConfig: &TemplateConfig{},
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AccountsConfig: &AccountsConfig{},
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MediaConfig: &MediaConfig{},
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StorageConfig: &StorageConfig{},
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StatusesConfig: &StatusesConfig{},
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LetsEncryptConfig: &LetsEncryptConfig{},
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AccountCLIFlags: make(map[string]string),
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}
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}
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// loadFromFile takes a path to a yaml file and attempts to load a Config object from it
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func loadFromFile(path string) (*Config, error) {
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bytes, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("could not read file at path %s: %s", path, err)
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}
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config := &Config{}
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if err := yaml.Unmarshal(bytes, config); err != nil {
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return nil, fmt.Errorf("could not unmarshal file at path %s: %s", path, err)
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}
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return config, nil
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}
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// ParseCLIFlags sets flags on the config using the provided Flags object
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func (c *Config) ParseCLIFlags(f KeyedFlags) error {
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fn := GetFlagNames()
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// For all of these flags, we only want to set them on the config if:
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//
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// a) They haven't been set at all in the config file we already parsed,
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// and so we take the default from the flags object.
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//
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// b) They may have been set in the config, but they've *also* been set explicitly
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// as a command-line argument or an env variable, which takes priority.
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// general flags
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if c.LogLevel == "" || f.IsSet(fn.LogLevel) {
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c.LogLevel = f.String(fn.LogLevel)
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}
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if c.ApplicationName == "" || f.IsSet(fn.ApplicationName) {
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c.ApplicationName = f.String(fn.ApplicationName)
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}
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if c.Host == "" || f.IsSet(fn.Host) {
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c.Host = f.String(fn.Host)
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}
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if c.Host == "" {
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return errors.New("host was not set")
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}
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if c.Protocol == "" || f.IsSet(fn.Protocol) {
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c.Protocol = f.String(fn.Protocol)
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}
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if c.Protocol == "" {
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return errors.New("protocol was not set")
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}
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// db flags
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if c.DBConfig.Type == "" || f.IsSet(fn.DbType) {
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c.DBConfig.Type = f.String(fn.DbType)
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}
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if c.DBConfig.Address == "" || f.IsSet(fn.DbAddress) {
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c.DBConfig.Address = f.String(fn.DbAddress)
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}
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if c.DBConfig.Port == 0 || f.IsSet(fn.DbPort) {
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c.DBConfig.Port = f.Int(fn.DbPort)
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}
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if c.DBConfig.User == "" || f.IsSet(fn.DbUser) {
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c.DBConfig.User = f.String(fn.DbUser)
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}
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if c.DBConfig.Password == "" || f.IsSet(fn.DbPassword) {
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c.DBConfig.Password = f.String(fn.DbPassword)
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}
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if c.DBConfig.Database == "" || f.IsSet(fn.DbDatabase) {
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c.DBConfig.Database = f.String(fn.DbDatabase)
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}
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// template flags
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if c.TemplateConfig.BaseDir == "" || f.IsSet(fn.TemplateBaseDir) {
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c.TemplateConfig.BaseDir = f.String(fn.TemplateBaseDir)
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}
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// template flags
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if c.TemplateConfig.AssetBaseDir == "" || f.IsSet(fn.AssetBaseDir) {
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c.TemplateConfig.AssetBaseDir = f.String(fn.AssetBaseDir)
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}
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// accounts flags
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if f.IsSet(fn.AccountsOpenRegistration) {
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c.AccountsConfig.OpenRegistration = f.Bool(fn.AccountsOpenRegistration)
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}
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if f.IsSet(fn.AccountsApprovalRequired) {
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c.AccountsConfig.RequireApproval = f.Bool(fn.AccountsApprovalRequired)
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}
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// media flags
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if c.MediaConfig.MaxImageSize == 0 || f.IsSet(fn.MediaMaxImageSize) {
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c.MediaConfig.MaxImageSize = f.Int(fn.MediaMaxImageSize)
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}
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if c.MediaConfig.MaxVideoSize == 0 || f.IsSet(fn.MediaMaxVideoSize) {
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c.MediaConfig.MaxVideoSize = f.Int(fn.MediaMaxVideoSize)
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}
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if c.MediaConfig.MinDescriptionChars == 0 || f.IsSet(fn.MediaMinDescriptionChars) {
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c.MediaConfig.MinDescriptionChars = f.Int(fn.MediaMinDescriptionChars)
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}
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if c.MediaConfig.MaxDescriptionChars == 0 || f.IsSet(fn.MediaMaxDescriptionChars) {
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c.MediaConfig.MaxDescriptionChars = f.Int(fn.MediaMaxDescriptionChars)
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}
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// storage flags
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if c.StorageConfig.Backend == "" || f.IsSet(fn.StorageBackend) {
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c.StorageConfig.Backend = f.String(fn.StorageBackend)
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}
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if c.StorageConfig.BasePath == "" || f.IsSet(fn.StorageBasePath) {
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c.StorageConfig.BasePath = f.String(fn.StorageBasePath)
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}
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if c.StorageConfig.ServeProtocol == "" || f.IsSet(fn.StorageServeProtocol) {
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c.StorageConfig.ServeProtocol = f.String(fn.StorageServeProtocol)
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}
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if c.StorageConfig.ServeHost == "" || f.IsSet(fn.StorageServeHost) {
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c.StorageConfig.ServeHost = f.String(fn.StorageServeHost)
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}
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if c.StorageConfig.ServeBasePath == "" || f.IsSet(fn.StorageServeBasePath) {
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c.StorageConfig.ServeBasePath = f.String(fn.StorageServeBasePath)
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}
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// statuses flags
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if c.StatusesConfig.MaxChars == 0 || f.IsSet(fn.StatusesMaxChars) {
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c.StatusesConfig.MaxChars = f.Int(fn.StatusesMaxChars)
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}
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if c.StatusesConfig.CWMaxChars == 0 || f.IsSet(fn.StatusesCWMaxChars) {
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c.StatusesConfig.CWMaxChars = f.Int(fn.StatusesCWMaxChars)
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}
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if c.StatusesConfig.PollMaxOptions == 0 || f.IsSet(fn.StatusesPollMaxOptions) {
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c.StatusesConfig.PollMaxOptions = f.Int(fn.StatusesPollMaxOptions)
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}
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if c.StatusesConfig.PollOptionMaxChars == 0 || f.IsSet(fn.StatusesPollOptionMaxChars) {
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c.StatusesConfig.PollOptionMaxChars = f.Int(fn.StatusesPollOptionMaxChars)
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}
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if c.StatusesConfig.MaxMediaFiles == 0 || f.IsSet(fn.StatusesMaxMediaFiles) {
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c.StatusesConfig.MaxMediaFiles = f.Int(fn.StatusesMaxMediaFiles)
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}
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// letsencrypt flags
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if f.IsSet(fn.LetsEncryptEnabled) {
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c.LetsEncryptConfig.Enabled = f.Bool(fn.LetsEncryptEnabled)
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}
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if c.LetsEncryptConfig.CertDir == "" || f.IsSet(fn.LetsEncryptCertDir) {
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c.LetsEncryptConfig.CertDir = f.String(fn.LetsEncryptCertDir)
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}
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if c.LetsEncryptConfig.EmailAddress == "" || f.IsSet(fn.LetsEncryptEmailAddress) {
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c.LetsEncryptConfig.EmailAddress = f.String(fn.LetsEncryptEmailAddress)
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}
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c.SoftwareVersion = GetDefaults().SoftwareVersion
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// command-specific flags
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// admin account CLI flags
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c.AccountCLIFlags[UsernameFlag] = f.String(UsernameFlag)
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c.AccountCLIFlags[EmailFlag] = f.String(EmailFlag)
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c.AccountCLIFlags[PasswordFlag] = f.String(PasswordFlag)
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return nil
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}
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// KeyedFlags is a wrapper for any type that can store keyed flags and give them back.
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// HINT: This works with a urfave cli context struct ;)
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type KeyedFlags interface {
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Bool(k string) bool
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String(k string) string
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Int(k string) int
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IsSet(k string) bool
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}
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// Flags is used for storing the names of the various flags used for
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// initializing and storing urfavecli flag variables.
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type Flags struct {
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LogLevel string
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ApplicationName string
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ConfigPath string
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Host string
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Protocol string
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DbType string
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DbAddress string
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DbPort string
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DbUser string
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DbPassword string
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DbDatabase string
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TemplateBaseDir string
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AssetBaseDir string
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AccountsOpenRegistration string
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AccountsApprovalRequired string
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AccountsReasonRequired string
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MediaMaxImageSize string
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MediaMaxVideoSize string
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MediaMinDescriptionChars string
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MediaMaxDescriptionChars string
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StorageBackend string
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StorageBasePath string
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StorageServeProtocol string
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StorageServeHost string
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StorageServeBasePath string
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StatusesMaxChars string
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StatusesCWMaxChars string
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StatusesPollMaxOptions string
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StatusesPollOptionMaxChars string
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StatusesMaxMediaFiles string
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LetsEncryptEnabled string
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LetsEncryptCertDir string
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LetsEncryptEmailAddress string
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}
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// Defaults contains all the default values for a gotosocial config
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type Defaults struct {
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LogLevel string
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ApplicationName string
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ConfigPath string
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Host string
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Protocol string
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SoftwareVersion string
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DbType string
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DbAddress string
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DbPort int
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DbUser string
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DbPassword string
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DbDatabase string
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TemplateBaseDir string
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AssetBaseDir string
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AccountsOpenRegistration bool
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AccountsRequireApproval bool
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AccountsReasonRequired bool
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MediaMaxImageSize int
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MediaMaxVideoSize int
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MediaMinDescriptionChars int
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MediaMaxDescriptionChars int
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StorageBackend string
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StorageBasePath string
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StorageServeProtocol string
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StorageServeHost string
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StorageServeBasePath string
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StatusesMaxChars int
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StatusesCWMaxChars int
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StatusesPollMaxOptions int
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StatusesPollOptionMaxChars int
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StatusesMaxMediaFiles int
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LetsEncryptEnabled bool
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LetsEncryptCertDir string
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LetsEncryptEmailAddress string
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}
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// GetFlagNames returns a struct containing the names of the various flags used for
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// initializing and storing urfavecli flag variables.
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func GetFlagNames() Flags {
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return Flags{
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LogLevel: "log-level",
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ApplicationName: "application-name",
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ConfigPath: "config-path",
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Host: "host",
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Protocol: "protocol",
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DbType: "db-type",
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DbAddress: "db-address",
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DbPort: "db-port",
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DbUser: "db-user",
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DbPassword: "db-password",
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DbDatabase: "db-database",
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TemplateBaseDir: "template-basedir",
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AssetBaseDir: "asset-basedir",
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AccountsOpenRegistration: "accounts-open-registration",
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AccountsApprovalRequired: "accounts-approval-required",
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AccountsReasonRequired: "accounts-reason-required",
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MediaMaxImageSize: "media-max-image-size",
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MediaMaxVideoSize: "media-max-video-size",
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MediaMinDescriptionChars: "media-min-description-chars",
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MediaMaxDescriptionChars: "media-max-description-chars",
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StorageBackend: "storage-backend",
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StorageBasePath: "storage-base-path",
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StorageServeProtocol: "storage-serve-protocol",
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StorageServeHost: "storage-serve-host",
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StorageServeBasePath: "storage-serve-base-path",
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StatusesMaxChars: "statuses-max-chars",
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StatusesCWMaxChars: "statuses-cw-max-chars",
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StatusesPollMaxOptions: "statuses-poll-max-options",
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StatusesPollOptionMaxChars: "statuses-poll-option-max-chars",
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StatusesMaxMediaFiles: "statuses-max-media-files",
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LetsEncryptEnabled: "letsencrypt-enabled",
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LetsEncryptCertDir: "letsencrypt-cert-dir",
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LetsEncryptEmailAddress: "letsencrypt-email",
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}
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}
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// GetEnvNames returns a struct containing the names of the environment variable keys used for
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// initializing and storing urfavecli flag variables.
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func GetEnvNames() Flags {
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return Flags{
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LogLevel: "GTS_LOG_LEVEL",
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ApplicationName: "GTS_APPLICATION_NAME",
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ConfigPath: "GTS_CONFIG_PATH",
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Host: "GTS_HOST",
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Protocol: "GTS_PROTOCOL",
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DbType: "GTS_DB_TYPE",
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DbAddress: "GTS_DB_ADDRESS",
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DbPort: "GTS_DB_PORT",
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DbUser: "GTS_DB_USER",
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DbPassword: "GTS_DB_PASSWORD",
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DbDatabase: "GTS_DB_DATABASE",
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TemplateBaseDir: "GTS_TEMPLATE_BASEDIR",
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AssetBaseDir: "GTS_ASSET_BASEDIR",
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AccountsOpenRegistration: "GTS_ACCOUNTS_OPEN_REGISTRATION",
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AccountsApprovalRequired: "GTS_ACCOUNTS_APPROVAL_REQUIRED",
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AccountsReasonRequired: "GTS_ACCOUNTS_REASON_REQUIRED",
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MediaMaxImageSize: "GTS_MEDIA_MAX_IMAGE_SIZE",
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MediaMaxVideoSize: "GTS_MEDIA_MAX_VIDEO_SIZE",
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MediaMinDescriptionChars: "GTS_MEDIA_MIN_DESCRIPTION_CHARS",
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MediaMaxDescriptionChars: "GTS_MEDIA_MAX_DESCRIPTION_CHARS",
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StorageBackend: "GTS_STORAGE_BACKEND",
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StorageBasePath: "GTS_STORAGE_BASE_PATH",
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StorageServeProtocol: "GTS_STORAGE_SERVE_PROTOCOL",
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StorageServeHost: "GTS_STORAGE_SERVE_HOST",
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StorageServeBasePath: "GTS_STORAGE_SERVE_BASE_PATH",
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StatusesMaxChars: "GTS_STATUSES_MAX_CHARS",
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StatusesCWMaxChars: "GTS_STATUSES_CW_MAX_CHARS",
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StatusesPollMaxOptions: "GTS_STATUSES_POLL_MAX_OPTIONS",
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StatusesPollOptionMaxChars: "GTS_STATUSES_POLL_OPTION_MAX_CHARS",
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StatusesMaxMediaFiles: "GTS_STATUSES_MAX_MEDIA_FILES",
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LetsEncryptEnabled: "GTS_LETSENCRYPT_ENABLED",
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LetsEncryptCertDir: "GTS_LETSENCRYPT_CERT_DIR",
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LetsEncryptEmailAddress: "GTS_LETSENCRYPT_EMAIL",
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}
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}
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