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Userland: Move command-line utilities to Userland/Utilities/
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142 changed files with 58 additions and 58 deletions
297
Userland/Utilities/pro.cpp
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297
Userland/Utilities/pro.cpp
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/FileStream.h>
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#include <AK/GenericLexer.h>
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#include <AK/LexicalPath.h>
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#include <AK/NumberFormat.h>
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#include <AK/SharedBuffer.h>
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#include <AK/URL.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/EventLoop.h>
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#include <LibCore/File.h>
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#include <LibProtocol/Client.h>
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#include <LibProtocol/Download.h>
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#include <ctype.h>
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#include <stdio.h>
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// FIXME: Move this somewhere else when it's needed (e.g. in the Browser)
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class ContentDispositionParser {
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public:
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ContentDispositionParser(const StringView& value)
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{
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GenericLexer lexer(value);
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lexer.ignore_while(isspace);
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if (lexer.consume_specific("inline")) {
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m_kind = Kind::Inline;
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if (!lexer.is_eof())
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m_might_be_wrong = true;
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return;
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}
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if (lexer.consume_specific("attachment")) {
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m_kind = Kind::Attachment;
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if (lexer.consume_specific(";")) {
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lexer.ignore_while(isspace);
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if (lexer.consume_specific("filename=")) {
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// RFC 2183: "A short (length <= 78 characters)
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// parameter value containing only non-`tspecials' characters SHOULD be
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// represented as a single `token'."
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// Some people seem to take this as generic advice of "if it doesn't have special characters,
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// it's safe to specify as a single token"
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// So let's just be as lenient as possible.
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if (lexer.next_is('"'))
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m_filename = lexer.consume_quoted_string();
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else
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m_filename = lexer.consume_until(is_any_of("()<>@,;:\\\"/[]?= "));
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} else {
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m_might_be_wrong = true;
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}
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}
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return;
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}
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if (lexer.consume_specific("form-data")) {
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m_kind = Kind::FormData;
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while (lexer.consume_specific(";")) {
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lexer.ignore_while(isspace);
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if (lexer.consume_specific("name=")) {
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m_name = lexer.consume_quoted_string();
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} else if (lexer.consume_specific("filename=")) {
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if (lexer.next_is('"'))
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m_filename = lexer.consume_quoted_string();
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else
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m_filename = lexer.consume_until(is_any_of("()<>@,;:\\\"/[]?= "));
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} else {
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m_might_be_wrong = true;
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}
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}
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return;
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}
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// FIXME: Support 'filename*'
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m_might_be_wrong = true;
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}
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enum class Kind {
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Inline,
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Attachment,
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FormData,
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};
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const StringView& filename() const { return m_filename; }
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const StringView& name() const { return m_name; }
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Kind kind() const { return m_kind; }
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bool might_be_wrong() const { return m_might_be_wrong; }
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private:
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StringView m_filename;
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StringView m_name;
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Kind m_kind { Kind::Inline };
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bool m_might_be_wrong { false };
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};
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template<typename ConditionT>
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class ConditionalOutputFileStream final : public OutputFileStream {
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public:
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template<typename... Args>
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ConditionalOutputFileStream(ConditionT&& condition, Args... args)
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: OutputFileStream(args...)
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, m_condition(condition)
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{
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}
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~ConditionalOutputFileStream()
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{
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if (!m_condition())
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return;
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if (!m_buffer.is_empty()) {
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OutputFileStream::write(m_buffer);
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m_buffer.clear();
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}
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}
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private:
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size_t write(ReadonlyBytes bytes) override
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{
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if (!m_condition()) {
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write_to_buffer:;
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m_buffer.append(bytes.data(), bytes.size());
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return bytes.size();
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}
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if (!m_buffer.is_empty()) {
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auto size = OutputFileStream::write(m_buffer);
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m_buffer = m_buffer.slice(size, m_buffer.size() - size);
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}
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if (!m_buffer.is_empty())
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goto write_to_buffer;
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return OutputFileStream::write(bytes);
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}
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ConditionT m_condition;
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ByteBuffer m_buffer;
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};
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int main(int argc, char** argv)
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{
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const char* url_str = nullptr;
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bool save_at_provided_name = false;
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const char* data = nullptr;
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String method = "GET";
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HashMap<String, String, CaseInsensitiveStringTraits> request_headers;
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Core::ArgsParser args_parser;
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args_parser.set_general_help(
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"Download a file from an arbitrary URL. This command uses ProtocolServer, "
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"and thus supports at least http, https, and gemini.");
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args_parser.add_option(save_at_provided_name, "Write to a file named as the remote file", nullptr, 'O');
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args_parser.add_option(data, "(HTTP only) Send the provided data via an HTTP POST request", "data", 'd', "data");
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args_parser.add_option(Core::ArgsParser::Option {
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.requires_argument = true,
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.help_string = "Add a header entry to the request",
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.long_name = "header",
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.short_name = 'H',
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.value_name = "header-value",
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.accept_value = [&](auto* s) {
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StringView header { s };
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auto split = header.find_first_of(':');
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if (!split.has_value())
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return false;
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request_headers.set(header.substring_view(0, split.value()), header.substring_view(split.value() + 1));
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return true;
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} });
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args_parser.add_positional_argument(url_str, "URL to download from", "url");
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args_parser.parse(argc, argv);
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if (data) {
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method = "POST";
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// FIXME: Content-Type?
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}
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URL url(url_str);
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if (!url.is_valid()) {
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fprintf(stderr, "'%s' is not a valid URL\n", url_str);
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return 1;
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}
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Core::EventLoop loop;
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auto protocol_client = Protocol::Client::construct();
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auto download = protocol_client->start_download(method, url.to_string(), request_headers, data ? StringView { data }.bytes() : ReadonlyBytes {});
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if (!download) {
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fprintf(stderr, "Failed to start download for '%s'\n", url_str);
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return 1;
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}
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u32 previous_downloaded_size { 0 };
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timeval prev_time, current_time, time_diff;
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gettimeofday(&prev_time, nullptr);
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bool received_actual_headers = false;
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download->on_progress = [&](Optional<u32> maybe_total_size, u32 downloaded_size) {
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fprintf(stderr, "\r\033[2K");
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if (maybe_total_size.has_value()) {
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fprintf(stderr, "\033]9;%d;%d;\033\\", downloaded_size, maybe_total_size.value());
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fprintf(stderr, "Download progress: %s / %s", human_readable_size(downloaded_size).characters(), human_readable_size(maybe_total_size.value()).characters());
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} else {
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fprintf(stderr, "Download progress: %s / ???", human_readable_size(downloaded_size).characters());
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}
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gettimeofday(¤t_time, nullptr);
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timersub(¤t_time, &prev_time, &time_diff);
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auto time_diff_ms = time_diff.tv_sec * 1000 + time_diff.tv_usec / 1000;
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auto size_diff = downloaded_size - previous_downloaded_size;
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fprintf(stderr, " at %s/s", human_readable_size(((float)size_diff / (float)time_diff_ms) * 1000).characters());
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previous_downloaded_size = downloaded_size;
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prev_time = current_time;
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};
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if (save_at_provided_name) {
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download->on_headers_received = [&](auto& response_headers, auto status_code) {
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if (received_actual_headers)
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return;
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dbgln("Received headers! response code = {}", status_code.value_or(0));
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received_actual_headers = true; // And not trailers!
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String output_name;
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if (auto content_disposition = response_headers.get("Content-Disposition"); content_disposition.has_value()) {
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auto& value = content_disposition.value();
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ContentDispositionParser parser(value);
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output_name = parser.filename();
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}
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if (output_name.is_empty())
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output_name = url.path();
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LexicalPath path { output_name };
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output_name = path.basename();
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// The URL didn't have a name component, e.g. 'serenityos.org'
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if (output_name.is_empty() || output_name == "/") {
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int i = -1;
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do {
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output_name = url.host();
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if (i > -1)
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output_name = String::format("%s.%d", output_name.characters(), i);
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++i;
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} while (Core::File::exists(output_name));
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}
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if (freopen(output_name.characters(), "w", stdout) == nullptr) {
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perror("freopen");
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loop.quit(1);
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return;
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}
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};
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}
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download->on_finish = [&](bool success, auto) {
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fprintf(stderr, "\033]9;-1;\033\\");
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fprintf(stderr, "\n");
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if (!success)
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fprintf(stderr, "Download failed :(\n");
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loop.quit(0);
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};
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auto output_stream = ConditionalOutputFileStream { [&] { return save_at_provided_name ? received_actual_headers : true; }, stdout };
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download->stream_into(output_stream);
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dbgln("started download with id {}", download->id());
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auto rc = loop.exec();
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// FIXME: This shouldn't be needed.
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fclose(stdout);
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return rc;
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}
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