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//! ref: composer/src/Composer/Util/TlsHelper.php
use shirabe_external_packages::composer::ca_bundle::CaBundle;
use shirabe_external_packages::composer::pcre::Preg;
use shirabe_php_shim::{
PhpMixed, RuntimeException, base64_decode, openssl_get_publickey, openssl_pkey_get_details,
openssl_x509_parse, preg_quote, substr_count,
};
/// @deprecated Use composer/ca-bundle and composer/composer 2.2 if you still need PHP 5 compatibility
pub struct TlsHelper;
impl TlsHelper {
pub fn check_certificate_host(
certificate: &PhpMixed,
hostname: &str,
cn: &mut Option<String>,
) -> bool {
let names = match Self::get_certificate_names(certificate) {
Some(n) => n,
None => return false,
};
let mut combined_names = names.san.clone();
combined_names.push(names.cn.clone());
let hostname = hostname.to_lowercase();
for cert_name in &combined_names {
if let Some(matcher) = Self::cert_name_matcher(cert_name) {
if matcher(&hostname) {
*cn = Some(names.cn.clone());
return true;
}
}
}
false
}
pub fn get_certificate_names(certificate: &PhpMixed) -> Option<CertificateNames> {
let info = match certificate {
PhpMixed::Array(arr) => arr.clone(),
_ => {
if CaBundle::is_openssl_parse_safe() {
if let PhpMixed::String(cert_str) = certificate {
openssl_x509_parse(cert_str, false)?
} else {
return None;
}
} else {
return None;
}
}
};
let common_name = info
.get("subject")
.and_then(|v| v.as_array())
.and_then(|subj| subj.get("commonName"))
.and_then(|cn| cn.as_string())
.map(|s| s.to_lowercase())?;
let mut subject_alt_names = vec![];
if let Some(san_value) = info
.get("extensions")
.and_then(|v| v.as_array())
.and_then(|ext| ext.get("subjectAltName"))
.and_then(|v| v.as_string())
{
let parts = Preg::split(r"{\s*,\s*}", san_value).unwrap_or_default();
for name in parts {
if name.starts_with("DNS:") {
let dns = name[4..].trim_start().to_lowercase();
subject_alt_names.push(dns);
}
}
}
Some(CertificateNames {
cn: common_name,
san: subject_alt_names,
})
}
/// Get the certificate pin.
///
/// By Kevin McArthur of StormTide Digital Studios Inc.
/// @KevinSMcArthur / https://github.com/StormTide
///
/// See https://tools.ietf.org/html/draft-ietf-websec-key-pinning-02
///
/// This method was adapted from Sslurp.
/// https://github.com/EvanDotPro/Sslurp
///
/// (c) Evan Coury <me@evancoury.com>
///
/// For the full copyright and license information, please see below:
///
/// Copyright (c) 2013, Evan Coury
/// All rights reserved.
///
/// Redistribution and use in source and binary forms, with or without modification,
/// are permitted provided that the following conditions are met:
///
/// * Redistributions of source code must retain the above copyright notice,
/// this list of conditions and the following disclaimer.
///
/// * Redistributions in binary form must reproduce the above copyright notice,
/// this list of conditions and the following disclaimer in the documentation
/// and/or other materials provided with the distribution.
///
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
/// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
/// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
/// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
/// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
/// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
/// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
/// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
/// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
/// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
pub fn get_certificate_fingerprint(certificate: &str) -> anyhow::Result<String> {
let pubkey = openssl_get_publickey(certificate).ok_or_else(|| RuntimeException {
message: "Failed to retrieve the public key from certificate".to_string(),
code: 0,
})?;
let pubkeydetails = openssl_pkey_get_details(pubkey).ok_or_else(|| RuntimeException {
message: "Failed to retrieve public key details".to_string(),
code: 0,
})?;
let pubkeypem = pubkeydetails
.get("key")
.and_then(|v| v.as_string())
.unwrap_or("")
.to_string();
let start = "-----BEGIN PUBLIC KEY-----";
let end = "-----END PUBLIC KEY-----";
let start_pos = pubkeypem.find(start).unwrap_or(0) + start.len();
let end_pos = pubkeypem.rfind(end).unwrap_or(pubkeypem.len());
let pemtrim = &pubkeypem[start_pos..end_pos];
let der = base64_decode(pemtrim).unwrap_or_default();
Ok(shirabe_php_shim::hash(
"sha1",
&String::from_utf8_lossy(&der),
))
}
pub fn is_openssl_parse_safe() -> bool {
CaBundle::is_openssl_parse_safe()
}
fn cert_name_matcher(cert_name: &str) -> Option<Box<dyn Fn(&str) -> bool>> {
let wildcards = substr_count(cert_name, "*");
if wildcards == 0 {
let name = cert_name.to_string();
return Some(Box::new(move |hostname: &str| hostname == name));
}
if wildcards == 1 {
let components: Vec<&str> = cert_name.split('.').collect();
if components.len() < 3 {
return None;
}
let first_component = components[0];
if !first_component.ends_with('*') {
return None;
}
let mut wildcard_regex = preg_quote(cert_name, None);
wildcard_regex = wildcard_regex.replace("\\*", "[a-z0-9-]+");
let wildcard_regex = format!("{{^{}$}}", wildcard_regex);
return Some(Box::new(move |hostname: &str| {
Preg::is_match(&wildcard_regex, hostname).unwrap_or(false)
}));
}
None
}
}
#[derive(Debug)]
pub struct CertificateNames {
pub cn: String,
pub san: Vec<String>,
}
|
