LibWeb: Add directory entries page when visiting a local directory

This commit is contained in:
Bastiaan van der Plaat 2023-08-13 22:35:35 +02:00 committed by Sam Atkins
parent e4c3a52cfa
commit eafdb06d87
9 changed files with 163 additions and 0 deletions

View file

@ -0,0 +1,51 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Index of @path@</title>
<style>
header {
margin-bottom: 10px;
}
h1 {
display: inline;
}
a {
text-decoration: none;
}
a:focus, a:hover {
text-decoration: underline;
}
table {
font-family: monospace;
}
.folder, .file, .open-parent {
display: inline-block;
width: 16px;
height: 16px;
margin-right: 5px;
background-size: contain;
}
.folder {
background-image: url('@resource_directory_url@/icons/32x32/filetype-folder.png');
}
.file {
background-image: url('@resource_directory_url@/icons/32x32/filetype-unknown.png');
}
.open-parent {
background-image: url('@resource_directory_url@/icons/16x16/open-parent-directory.png');
}
</style>
</head>
<body>
<header>
<span class="folder" style="width: 24px; height: 24px;"></span>
<h1>Index of @path@</h1>
</header>
<p><a href="file://@parent_path@"><span class="open-parent"></span>Open Parent Directory</a></p>
<hr>
@contents@
<hr>
</body>
</html>

View file

@ -100,6 +100,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
Web::FrameLoader::set_resource_directory_url(DeprecatedString::formatted("file://{}/res", s_serenity_resource_root));
Web::FrameLoader::set_error_page_url(DeprecatedString::formatted("file://{}/res/html/error.html", s_serenity_resource_root));
Web::FrameLoader::set_directory_page_url(DeprecatedString::formatted("file://{}/res/html/directory.html", s_serenity_resource_root));
TRY(Web::Bindings::initialize_main_thread_vm());

View file

@ -3,6 +3,7 @@ source_set("Loader") {
deps = [ "//Userland/Libraries/LibWeb:all_generated" ]
sources = [
"ContentFilter.cpp",
"FileDirectoryLoader.cpp",
"FileRequest.cpp",
"FrameLoader.cpp",
"LoadRequest.cpp",

View file

@ -444,6 +444,7 @@ set(SOURCES
Layout/TreeBuilder.cpp
Layout/VideoBox.cpp
Loader/ContentFilter.cpp
Loader/FileDirectoryLoader.cpp
Loader/FileRequest.cpp
Loader/FrameLoader.cpp
Loader/LoadRequest.cpp

View file

@ -0,0 +1,59 @@
/*
* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/QuickSort.h>
#include <AK/SourceGenerator.h>
#include <LibCore/DateTime.h>
#include <LibCore/Directory.h>
#include <LibCore/System.h>
#include <LibWeb/Loader/FileDirectoryLoader.h>
#include <LibWeb/Loader/FrameLoader.h>
namespace Web {
ErrorOr<DeprecatedString> load_file_directory_page(LoadRequest const& request)
{
// Generate HTML contents entries table
auto lexical_path = LexicalPath(request.url().serialize_path());
Core::DirIterator dt(lexical_path.string(), Core::DirIterator::Flags::SkipParentAndBaseDir);
Vector<DeprecatedString> names;
while (dt.has_next())
names.append(dt.next_path());
quick_sort(names);
StringBuilder contents;
contents.append("<table>"sv);
for (auto& name : names) {
auto path = lexical_path.append(name);
auto maybe_st = Core::System::stat(path.string());
if (!maybe_st.is_error()) {
auto st = maybe_st.release_value();
contents.append("<tr>"sv);
contents.appendff("<td><span class=\"{}\"></span></td>", S_ISDIR(st.st_mode) ? "folder" : "file");
contents.appendff("<td><a href=\"file://{}\">{}</a></td><td>&nbsp;</td>"sv, path, name);
contents.appendff("<td>{:10}</td><td>&nbsp;</td>", st.st_size);
contents.appendff("<td>{}</td>"sv, Core::DateTime::from_timestamp(st.st_mtime).to_deprecated_string());
contents.append("</tr>\n"sv);
}
}
contents.append("</table>"sv);
// Generate HTML directory page from directory template file
// FIXME: Use an actual templating engine (our own one when it's built, preferably with a way to check these usages at compile time)
auto template_path = AK::URL::create_with_url_or_path(FrameLoader::directory_page_url()).serialize_path();
auto template_file = TRY(Core::File::open(template_path, Core::File::OpenMode::Read));
auto template_contents = TRY(template_file->read_until_eof());
StringBuilder builder;
SourceGenerator generator { builder };
generator.set("resource_directory_url", FrameLoader::resource_directory_url());
generator.set("path", escape_html_entities(lexical_path.string()));
generator.set("parent_path", escape_html_entities(lexical_path.parent().string()));
generator.set("contents", contents.to_deprecated_string());
generator.append(template_contents);
return generator.as_string_view().to_deprecated_string();
}
}

View file

@ -0,0 +1,15 @@
/*
* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Loader/Resource.h>
namespace Web {
ErrorOr<DeprecatedString> load_file_directory_page(LoadRequest const&);
}

View file

@ -193,6 +193,18 @@ void FrameLoader::set_error_page_url(DeprecatedString error_page_url)
s_error_page_url = error_page_url;
}
static DeprecatedString s_directory_page_url = "file:///res/html/directory.html";
DeprecatedString FrameLoader::directory_page_url()
{
return s_directory_page_url;
}
void FrameLoader::set_directory_page_url(DeprecatedString directory_page_url)
{
s_directory_page_url = directory_page_url;
}
// FIXME: Use an actual templating engine (our own one when it's built, preferably
// with a way to check these usages at compile time)

View file

@ -29,6 +29,8 @@ public:
static void set_resource_directory_url(DeprecatedString);
static DeprecatedString error_page_url();
static void set_error_page_url(DeprecatedString);
static DeprecatedString directory_page_url();
static void set_directory_page_url(DeprecatedString);
explicit FrameLoader(HTML::BrowsingContext&);
~FrameLoader();

View file

@ -7,11 +7,13 @@
#include <AK/Debug.h>
#include <AK/JsonObject.h>
#include <LibCore/Directory.h>
#include <LibCore/ElapsedTimer.h>
#include <LibCore/MimeData.h>
#include <LibWeb/Cookie/Cookie.h>
#include <LibWeb/Cookie/ParsedCookie.h>
#include <LibWeb/Loader/ContentFilter.h>
#include <LibWeb/Loader/FileDirectoryLoader.h>
#include <LibWeb/Loader/LoadRequest.h>
#include <LibWeb/Loader/ProxyMappings.h>
#include <LibWeb/Loader/Resource.h>
@ -251,6 +253,25 @@ void ResourceLoader::load(LoadRequest& request, Function<void(ReadonlyBytes, Has
auto const fd = file_or_error.value();
// When local file is a directory use file directory loader to generate response
auto maybe_is_valid_directory = Core::Directory::is_valid_directory(fd);
if (!maybe_is_valid_directory.is_error() && maybe_is_valid_directory.value()) {
auto maybe_response = load_file_directory_page(request);
if (maybe_response.is_error()) {
log_failure(request, maybe_response.error());
if (error_callback)
error_callback(DeprecatedString::formatted("{}", maybe_response.error()), 500u);
return;
}
log_success(request);
HashMap<DeprecatedString, DeprecatedString, CaseInsensitiveStringTraits> response_headers;
response_headers.set("Content-Type"sv, "text/html"sv);
success_callback(maybe_response.release_value().bytes(), response_headers, {});
return;
}
// Try to read file normally
auto maybe_file = Core::File::adopt_fd(fd, Core::File::OpenMode::Read);
if (maybe_file.is_error()) {
log_failure(request, maybe_file.error());