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wip ovpn refactor

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Dmitry Belyaev 2024-10-24 17:22:41 +03:00
parent cdac6d2aa5
commit 9a43d1b1fd
Signed by: b4tman
GPG Key ID: 41A00BF15EA7E5F3
5 changed files with 713 additions and 7 deletions
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name = "winapi-util"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
dependencies = [
"windows-sys",
]
[[package]]
name = "windows-core"
version = "0.52.0"
@ -886,3 +1416,24 @@ name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "zerocopy"
version = "0.7.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
dependencies = [
"byteorder",
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.7.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

1
Cargo.toml
View File

@ -15,6 +15,7 @@ futures-util = "0.3.31"
lazy_static = "1.5.0"
openssl = { version="0.10.68" }
regex = "1.11.0"
tera = "1.20.0"
tokio = { version = "1.41.0", features = ["fs", "rt", "process", "macros", "io-util"] }
[profile.release]

21
src/common.rs
View File

@ -17,6 +17,9 @@ use futures_core::stream::Stream;
pub(crate) type VarsMap = BTreeMap<String, String>;
pub(crate) const UTF8_STR: &'static str = "utf8";
pub(crate) const DEFAULT_ENCODING: &'static str = "cp866"; // .bat
#[derive(Debug, Clone, PartialEq)]
pub enum OpenSSLProviderArg {
Internal,
@ -100,7 +103,7 @@ pub(crate) struct AppConfig {
impl Default for AppConfig {
fn default() -> Self {
Self {
encoding: "cp866".into(),
encoding: DEFAULT_ENCODING.into(),
req_days: 30650,
keys_subdir: "keys".into(),
config_subdir: "config".into(),
@ -177,7 +180,7 @@ where
P: AsRef<Path>,
{
let filepath = PathBuf::from(filepath.as_ref());
if encoding == "utf8" {
if encoding == UTF8_STR {
return Ok(fs::read_to_string(filepath).await?);
}
@ -188,8 +191,12 @@ where
.map_err(|_| anyhow!("could not read file"))
}
pub(crate) async fn write_file(filepath: &PathBuf, text: String, encoding: &str) -> Result<()> {
if encoding == "utf8" {
pub(crate) async fn write_file<P: AsRef<Path>>(
filepath: P,
text: String,
encoding: &str,
) -> Result<()> {
if encoding == UTF8_STR {
return Ok(fs::write(filepath, text).await?);
}
@ -201,11 +208,11 @@ pub(crate) async fn write_file(filepath: &PathBuf, text: String, encoding: &str)
fs::write(filepath, bytes).await.context("can't write file")
}
pub(crate) async fn read_file_by_lines(
filepath: &PathBuf,
pub(crate) async fn read_file_by_lines<P: AsRef<Path>>(
filepath: P,
encoding: &str,
) -> Result<Box<dyn Stream<Item = String>>> {
Ok(if encoding == "utf8" {
Ok(if encoding == UTF8_STR {
let f = File::open(filepath).await?;
let reader = BufReader::new(f);
let mut lines = reader.lines();

1
src/main.rs
View File

@ -5,6 +5,7 @@ mod certs;
mod common;
mod crypto_provider;
mod openssl;
mod ovpn;
mod vars;
use crate::certs::build_client_config;

146
src/ovpn.rs Normal file
View File

@ -0,0 +1,146 @@
use std::path::{Path, PathBuf};
use crate::common::{read_file, write_file, DEFAULT_ENCODING};
use anyhow::{anyhow, Context, Result};
use tera::Tera;
pub(crate) struct OvpnConfig {
pub(crate) name: String,
pub(crate) encoding: String,
pub(crate) email: Option<String>,
pub(crate) template: String,
pub(crate) template_filename: Option<String>,
pub(crate) ca_cert: String,
pub(crate) cert: String,
pub(crate) key: String,
}
impl From<&OvpnConfig> for tera::Context {
fn from(value: &OvpnConfig) -> Self {
let mut context = tera::Context::new();
context.insert("name", &value.name);
context.insert("encoding", &value.encoding);
context.insert("email", &value.email);
context.insert("template_filename", &value.template_filename);
context.insert("ca_cert", &value.ca_cert);
context.insert("cert", &value.cert);
context.insert("key", &value.key);
context
}
}
#[derive(Debug, Default, Clone)]
pub(crate) struct OvpnConfigBuilder {
name: String,
encoding: Option<String>,
email: Option<String>,
template_file: PathBuf,
ca_cert_file: Option<PathBuf>,
cert_file: Option<PathBuf>,
key_file: Option<PathBuf>,
}
impl OvpnConfigBuilder {
pub(crate) fn new<P: Into<PathBuf>>(name: String, template_file: P) -> Self {
Self {
name,
template_file: template_file.into(),
..Default::default()
}
}
pub(crate) fn with_encoding(&mut self, encoding: String) -> &mut Self {
self.encoding = Some(encoding);
self
}
pub(crate) fn with_email(&mut self, email: String) -> &mut Self {
self.email = Some(email);
self
}
pub(crate) fn with_ca_cert_file<P: Into<PathBuf>>(&mut self, ca_cert_file: P) -> &mut Self {
self.ca_cert_file = Some(ca_cert_file.into());
self
}
pub(crate) fn with_cert_file<P: Into<PathBuf>>(&mut self, cert_file: P) -> &mut Self {
self.cert_file = Some(cert_file.into());
self
}
pub(crate) fn with_key_file<P: Into<PathBuf>>(&mut self, key_file: P) -> &mut Self {
self.key_file = Some(key_file.into());
self
}
pub(crate) async fn build(self) -> Result<OvpnConfig> {
let name = self.name;
let encoding = self.encoding.unwrap_or(DEFAULT_ENCODING.into());
let template = read_file(self.template_file.clone(), encoding.clone())
.await
.context("template file read error")?;
let ca_cert = read_file(
self.ca_cert_file.ok_or(anyhow!("ca cert file not set"))?,
encoding.clone(),
)
.await
.context("ca cert file read error")?;
let cert = read_file(
self.cert_file.ok_or(anyhow!("cert file not set"))?,
encoding.clone(),
)
.await
.context("cert file read error")?;
let key = read_file(
self.key_file.ok_or(anyhow!("key file not set"))?,
encoding.clone(),
)
.await
.context("key file read error")?;
let template_filename = self
.template_file
.file_name()
.ok_or(anyhow!("template_file filename"))?
.to_str()
.ok_or(anyhow!("template_file to_str"))?
.to_string();
Ok(OvpnConfig {
name,
encoding,
email: self.email,
template,
ca_cert,
cert,
key,
template_filename: Some(template_filename),
})
}
}
pub(crate) struct OvpnConfigRendered {
content: String,
encoding: String,
}
impl OvpnConfigRendered {
pub async fn to_file<P: AsRef<Path>>(self, filepath: P) -> Result<()> {
write_file(filepath, self.content, &self.encoding)
.await
.context("ovpn config file write error")
}
}
impl TryFrom<OvpnConfig> for OvpnConfigRendered {
type Error = anyhow::Error;
fn try_from(value: OvpnConfig) -> Result<Self> {
let mut tera = Tera::default();
tera.add_raw_template("template", &value.template)
.context("raw template add error")?;
let context: tera::Context = (&value).into();
let content = tera
.render("template", &context)
.context("config render error")?;
Ok(OvpnConfigRendered {
content,
encoding: value.encoding,
})
}
}