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config.rs
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config.rs
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// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
use json_patch::merge;
use serde_json::Value as JsonValue;
pub use tauri_utils::{config::*, platform::Target};
use std::{
collections::HashMap,
env::{current_dir, set_current_dir, set_var, var_os},
ffi::OsStr,
process::exit,
sync::{Arc, Mutex, OnceLock},
};
pub const MERGE_CONFIG_EXTENSION_NAME: &str = "--config";
pub struct ConfigMetadata {
/// The current target.
target: Target,
/// The actual configuration, merged with any extension.
inner: Config,
/// The config extensions (platform-specific config files or the config CLI argument).
/// Maps the extension name to its value.
extensions: HashMap<String, JsonValue>,
}
impl std::ops::Deref for ConfigMetadata {
type Target = Config;
#[inline(always)]
fn deref(&self) -> &Config {
&self.inner
}
}
impl ConfigMetadata {
/// Checks which config is overwriting the bundle identifier.
pub fn find_bundle_identifier_overwriter(&self) -> Option<String> {
for (ext, config) in &self.extensions {
if let Some(identifier) = config
.as_object()
.and_then(|config| config.get("tauri"))
.and_then(|tauri_config| tauri_config.as_object())
.and_then(|tauri_config| tauri_config.get("bundle"))
.and_then(|bundle_config| bundle_config.as_object())
.and_then(|bundle_config| bundle_config.get("identifier"))
.and_then(|id| id.as_str())
{
if identifier == self.inner.identifier {
return Some(ext.clone());
}
}
}
None
}
}
pub type ConfigHandle = Arc<Mutex<Option<ConfigMetadata>>>;
pub fn wix_settings(config: WixConfig) -> tauri_bundler::WixSettings {
tauri_bundler::WixSettings {
language: tauri_bundler::WixLanguage(match config.language {
WixLanguage::One(lang) => vec![(lang, Default::default())],
WixLanguage::List(languages) => languages
.into_iter()
.map(|lang| (lang, Default::default()))
.collect(),
WixLanguage::Localized(languages) => languages
.into_iter()
.map(|(lang, config)| {
(
lang,
tauri_bundler::WixLanguageConfig {
locale_path: config.locale_path.map(Into::into),
},
)
})
.collect(),
}),
template: config.template,
fragment_paths: config.fragment_paths,
component_group_refs: config.component_group_refs,
component_refs: config.component_refs,
feature_group_refs: config.feature_group_refs,
feature_refs: config.feature_refs,
merge_refs: config.merge_refs,
enable_elevated_update_task: config.enable_elevated_update_task,
banner_path: config.banner_path,
dialog_image_path: config.dialog_image_path,
fips_compliant: var_os("TAURI_BUNDLER_WIX_FIPS_COMPLIANT").map_or(false, |v| v == "true"),
}
}
pub fn nsis_settings(config: NsisConfig) -> tauri_bundler::NsisSettings {
tauri_bundler::NsisSettings {
template: config.template,
header_image: config.header_image,
sidebar_image: config.sidebar_image,
installer_icon: config.installer_icon,
install_mode: config.install_mode,
languages: config.languages,
custom_language_files: config.custom_language_files,
display_language_selector: config.display_language_selector,
compression: config.compression,
start_menu_folder: config.start_menu_folder,
installer_hooks: config.installer_hooks,
minimum_webview2_version: config.minimum_webview2_version,
}
}
pub fn custom_sign_settings(
config: CustomSignCommandConfig,
) -> tauri_bundler::CustomSignCommandSettings {
match config {
CustomSignCommandConfig::Command(command) => {
let mut tokens = command.split(' ');
tauri_bundler::CustomSignCommandSettings {
cmd: tokens.next().unwrap().to_string(), // split always has at least one element
args: tokens.map(String::from).collect(),
}
}
CustomSignCommandConfig::CommandWithOptions { cmd, args } => {
tauri_bundler::CustomSignCommandSettings { cmd, args }
}
}
}
fn config_handle() -> &'static ConfigHandle {
static CONFIG_HANDLE: OnceLock<ConfigHandle> = OnceLock::new();
CONFIG_HANDLE.get_or_init(Default::default)
}
/// Gets the static parsed config from `tauri.conf.json`.
fn get_internal(
merge_config: Option<&serde_json::Value>,
reload: bool,
target: Target,
) -> crate::Result<ConfigHandle> {
if !reload && config_handle().lock().unwrap().is_some() {
return Ok(config_handle().clone());
}
let tauri_dir = super::app_paths::tauri_dir();
let (mut config, config_path) =
tauri_utils::config::parse::parse_value(target, tauri_dir.join("tauri.conf.json"))?;
let config_file_name = config_path.file_name().unwrap().to_string_lossy();
let mut extensions = HashMap::new();
if let Some((platform_config, config_path)) =
tauri_utils::config::parse::read_platform(target, tauri_dir.to_path_buf())?
{
merge(&mut config, &platform_config);
extensions.insert(
config_path.file_name().unwrap().to_str().unwrap().into(),
platform_config,
);
}
if let Some(merge_config) = merge_config {
let merge_config_str = serde_json::to_string(&merge_config).unwrap();
set_var("TAURI_CONFIG", merge_config_str);
merge(&mut config, merge_config);
extensions.insert(MERGE_CONFIG_EXTENSION_NAME.into(), merge_config.clone());
};
if config_path.extension() == Some(OsStr::new("json"))
|| config_path.extension() == Some(OsStr::new("json5"))
{
let schema: JsonValue = serde_json::from_str(include_str!("../../config.schema.json"))?;
let schema = jsonschema::JSONSchema::compile(&schema).unwrap();
let result = schema.validate(&config);
if let Err(errors) = result {
for error in errors {
let path = error.instance_path.clone().into_vec().join(" > ");
if path.is_empty() {
log::error!("`{}` error: {}", config_file_name, error);
} else {
log::error!("`{}` error on `{}`: {}", config_file_name, path, error);
}
}
if !reload {
exit(1);
}
}
}
// the `Config` deserializer for `package > version` can resolve the version from a path relative to the config path
// so we actually need to change the current working directory here
let current_dir = current_dir()?;
set_current_dir(config_path.parent().unwrap())?;
let config: Config = serde_json::from_value(config)?;
// revert to previous working directory
set_current_dir(current_dir)?;
for (plugin, conf) in &config.plugins.0 {
set_var(
format!(
"TAURI_{}_PLUGIN_CONFIG",
plugin.to_uppercase().replace('-', "_")
),
serde_json::to_string(&conf)?,
);
}
*config_handle().lock().unwrap() = Some(ConfigMetadata {
target,
inner: config,
extensions,
});
Ok(config_handle().clone())
}
pub fn get(
target: Target,
merge_config: Option<&serde_json::Value>,
) -> crate::Result<ConfigHandle> {
get_internal(merge_config, false, target)
}
pub fn reload(merge_config: Option<&serde_json::Value>) -> crate::Result<ConfigHandle> {
let target = config_handle()
.lock()
.unwrap()
.as_ref()
.map(|conf| conf.target);
if let Some(target) = target {
get_internal(merge_config, true, target)
} else {
Err(anyhow::anyhow!("config not loaded"))
}
}
/// merges the loaded config with the given value
pub fn merge_with(merge_config: &serde_json::Value) -> crate::Result<ConfigHandle> {
let handle = config_handle();
if let Some(config_metadata) = &mut *handle.lock().unwrap() {
let merge_config_str = serde_json::to_string(merge_config).unwrap();
set_var("TAURI_CONFIG", merge_config_str);
let mut value = serde_json::to_value(config_metadata.inner.clone())?;
merge(&mut value, merge_config);
config_metadata.inner = serde_json::from_value(value)?;
Ok(handle.clone())
} else {
Err(anyhow::anyhow!("config not loaded"))
}
}