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src: deduplicate SetALPN implementations

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Instead of accepting either a std::string or a mysterious Local<Value>,
accept any std::string_view, which can trivially be constructed from
both strings and ArrayBufferViews.

This also removes the need to check IsArrayBufferView() inside of
SetALPN, which was dead code anyway.

PR-URL: https://github.com/nodejs/node/pull/43756
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
This commit is contained in:
Tobias Nießen 2022-07-15 01:01:17 +02:00 committed by GitHub
parent cc7d4ab493
commit 859967afec
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 8 additions and 17 deletions
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17
src/crypto/crypto_common.cc
View File

@ -26,7 +26,6 @@ namespace node {
using v8::Array;
using v8::ArrayBuffer;
using v8::ArrayBufferView;
using v8::BackingStore;
using v8::Context;
using v8::EscapableHandleScope;
@ -87,18 +86,10 @@ void LogSecret(
keylog_cb(ssl.get(), line.c_str());
}
bool SetALPN(const SSLPointer& ssl, const std::string& alpn) {
return SSL_set_alpn_protos(
ssl.get(),
reinterpret_cast<const uint8_t*>(alpn.c_str()),
alpn.length()) == 0;
}
bool SetALPN(const SSLPointer& ssl, Local<Value> alpn) {
if (!alpn->IsArrayBufferView())
return false;
ArrayBufferViewContents<unsigned char> protos(alpn.As<ArrayBufferView>());
return SSL_set_alpn_protos(ssl.get(), protos.data(), protos.length()) == 0;
bool SetALPN(const SSLPointer& ssl, std::string_view alpn) {
return SSL_set_alpn_protos(ssl.get(),
reinterpret_cast<const uint8_t*>(alpn.data()),
alpn.length()) == 0;
}
MaybeLocal<Value> GetSSLOCSPResponse(

5
src/crypto/crypto_common.h
View File

@ -33,9 +33,8 @@ void LogSecret(
const unsigned char* secret,
size_t secretlen);
bool SetALPN(const SSLPointer& ssl, const std::string& alpn);
bool SetALPN(const SSLPointer& ssl, v8::Local<v8::Value> alpn);
// TODO(tniessen): use std::u8string_view when we switch to C++20.
bool SetALPN(const SSLPointer& ssl, std::string_view alpn);
v8::MaybeLocal<v8::Value> GetSSLOCSPResponse(
Environment* env,

3
src/crypto/crypto_tls.cc
View File

@ -1530,7 +1530,8 @@ void TLSWrap::SetALPNProtocols(const FunctionCallbackInfo<Value>& args) {
return env->ThrowTypeError("Must give a Buffer as first argument");
if (w->is_client()) {
CHECK(SetALPN(w->ssl_, args[0]));
ArrayBufferViewContents<char> protos(args[0].As<ArrayBufferView>());
CHECK(SetALPN(w->ssl_, {protos.data(), protos.length()}));
} else {
CHECK(
w->object()->SetPrivate(