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LibHTTP: Add HTTP Basic Authentication header generation and parsing

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This patch adds two new static methods to HttpRequest.
get_http_basic_authentication_header generates a "Authorization" header
from a given URL, where as parse_http_basic_authentication_header parses
an "Authorization" header into username and password.
This commit is contained in:
Max Wipfli 2021-06-06 17:01:35 +02:00 • committed by Andreas Kling
parent e77ca79897
commit 1d990b3e7b
2 changed files with 47 additions and 8 deletions
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36
Userland/Libraries/LibHTTP/HttpRequest.cpp
View file

@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Base64.h>
#include <AK/StringBuilder.h>
#include <LibHTTP/HttpJob.h>
#include <LibHTTP/HttpRequest.h>
@ -57,7 +58,7 @@ ByteBuffer HttpRequest::to_raw_request() const
builder.append("Connection: close\r\n");
if (!m_body.is_empty()) {
builder.appendff("Content-Length: {}\r\n\r\n", m_body.size());
builder.append((const char*)m_body.data(), m_body.size());
builder.append((char const*)m_body.data(), m_body.size());
}
builder.append("\r\n");
return builder.to_byte_buffer();
@ -169,10 +170,41 @@ Optional<HttpRequest> HttpRequest::from_raw_request(ReadonlyBytes raw_request)
return request;
}
void HttpRequest::set_headers(const HashMap<String, String>& headers)
void HttpRequest::set_headers(HashMap<String, String> const& headers)
{
for (auto& it : headers)
m_headers.append({ it.key, it.value });
}
Optional<HttpRequest::Header> HttpRequest::get_http_basic_authentication_header(URL const& url)
{
if (!url.includes_credentials())
return {};
StringBuilder builder;
builder.append(url.username());
builder.append(':');
builder.append(url.password());
auto token = encode_base64(builder.to_string().bytes());
builder.clear();
builder.append("Basic ");
builder.append(token);
return Header { "Authorization", builder.to_string() };
}
Optional<HttpRequest::BasicAuthenticationCredentials> HttpRequest::parse_http_basic_authentication_header(String const& value)
{
if (!value.starts_with("Basic ", AK::CaseSensitivity::CaseInsensitive))
return {};
auto token = value.substring_view(6);
if (token.is_empty())
return {};
auto decoded_token = String::copy(decode_base64(token));
auto colon_index = decoded_token.find(':');
if (!colon_index.has_value())
return {};
auto username = decoded_token.substring_view(0, colon_index.value());
auto password = decoded_token.substring_view(colon_index.value() + 1);
return BasicAuthenticationCredentials { username, password };
}
}