allow a request to be processed in a job
Now we allow a request to be passed into a job queue, and after the job finishes the request is passed into a controller again. In order to achieve this we have a requests queue in System, when we put a request to the job this Request structure is preserved in the queue and for a new request a new Request is added to the queue. while here: - remove App::Lock()/Unlock(), use scoped locking - fix: Plugin now has a Call method which takes ModelConnector and a logger (used in multithreaded environment) - BaseThread has a main_model_connector pointer to the main (from the main thread) model connector - the FastCGI structure fcgi_request moved from App to Request - some methods for handling requests moved from App to Request - small refactoring in main.cpp - add Http class (a http client)
This commit is contained in:
581
winixd/utils/http.cpp
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581
winixd/utils/http.cpp
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@@ -0,0 +1,581 @@
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/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2010-2022, Tomasz Sowa
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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,
|
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* this list of conditions and the following disclaimer.
|
||||
*
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||||
* 2. 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.
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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
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "http.h"
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#include "core/lock.h"
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#include "core/log.h"
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#include "utf8/utf8.h"
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#include "core/header.h"
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namespace Winix
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{
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Http::Http()
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{
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curl = nullptr;
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synchro = nullptr;
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browser_name = "Winix";
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conn_timeout = 30;
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http_headers = nullptr;
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read_function_input = nullptr;
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read_function_index = 0;
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additional_headers_to_send = nullptr;
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bearer_token = nullptr;
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output_headers_space = nullptr;
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change_header_names_to_lower = true;
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output_content_type = nullptr;
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}
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Http::~Http()
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{
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uninitialize_curl();
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}
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Http & Http::add_input_headers(pt::Space * headers)
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{
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additional_headers_to_send = headers;
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return *this;
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}
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Http & Http::get_output_headers_to(pt::Space * out_headers, bool change_names_to_lower)
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{
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this->output_headers_space = out_headers;
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this->change_header_names_to_lower = change_names_to_lower;
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return *this;
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}
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Http & Http::get_output_content_type_to(std::wstring * out_content_type)
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{
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this->output_content_type = out_content_type;
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return *this;
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}
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Http & Http::add_bearer_token(const wchar_t * token)
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{
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this->bearer_token = token;
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return *this;
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}
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Http & Http::add_bearer_token(const std::wstring & token)
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{
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this->bearer_token = token.c_str();
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return *this;
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}
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bool Http::get(const wchar_t * url, std::wstring & out, bool clear_str)
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{
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std::string url_ascii;
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pt::TextStream out_stream;
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pt::wide_to_utf8(url, url_ascii);
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reset_headers();
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bool status = fetch_internal(url_ascii.c_str(), nullptr, out_stream);
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// IMPROVE pikotools, add: pt::UTF8ToInt(out_stream, out);
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std::string temp;
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out_stream.to_str(temp);
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pt::utf8_to_wide(temp, out, clear_str);
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return status;
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}
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bool Http::get(const std::wstring & url, std::wstring & out, bool clear_str)
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{
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return get(url.c_str(), out, clear_str);
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}
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bool Http::get(const pt::WTextStream & url, std::wstring & out, bool clear_str)
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{
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std::wstring url_str;
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url.to_str(url_str);
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return get(url_str, out, clear_str);
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}
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bool Http::get(const wchar_t * url, pt::WTextStream & out, bool clear_stream)
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{
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std::string url_ascii;
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pt::TextStream out_stream;
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pt::wide_to_utf8(url, url_ascii);
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reset_headers();
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bool status = fetch_internal(url_ascii.c_str(), nullptr, out_stream);
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// IMPROVE pikotools, add: pt::UTF8ToInt(out_stream, out);
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std::string temp;
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out_stream.to_str(temp);
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// similar, improve pikotools
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std::wstring temp_wide;
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pt::utf8_to_wide(temp, temp_wide);
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if( clear_stream )
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{
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out.clear();
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}
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out << temp_wide;
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return status;
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}
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bool Http::get(const std::wstring & url, pt::WTextStream & out, bool clear_stream)
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{
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return get(url.c_str(), out, clear_stream);
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}
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bool Http::get(const pt::WTextStream & url, pt::WTextStream & out, bool clear_stream)
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{
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std::wstring url_str;
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url.to_str(url_str);
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return get(url_str, out, clear_stream);
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}
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|
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bool Http::put(const wchar_t * url, const std::string & in, pt::WTextStream & out, bool clear_stream)
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{
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std::string url_ascii;
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pt::TextStream out_stream;
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if( clear_stream )
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{
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out.clear();
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}
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pt::wide_to_utf8(url, url_ascii);
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reset_headers();
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bool status = fetch_internal(url_ascii.c_str(), &in, out_stream);
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out << out_stream;
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return status;
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}
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bool Http::put(const std::wstring & url, const std::string & in, pt::WTextStream & out, bool clear_stream)
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{
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return put(url.c_str(), in, out, clear_stream);
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}
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bool Http::put(const wchar_t * url, pt::WTextStream & in, pt::WTextStream & out, bool clear_stream)
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{
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std::string in_ascii;
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in.to_str(in_ascii);
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return put(url, in_ascii, out, clear_stream);
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}
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long Http::get_status()
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{
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long status = -1;
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if( curl )
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{
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curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &status);
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}
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return status;
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}
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void Http::reset_headers()
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{
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if( http_headers )
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{
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curl_slist_free_all(http_headers);
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http_headers = nullptr;
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}
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}
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void Http::add_additional_headers()
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{
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if( additional_headers_to_send && additional_headers_to_send->is_object() )
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{
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pt::WTextStream header;
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pt::Space::ObjectType::iterator i = additional_headers_to_send->value.value_object.begin();
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while( i != additional_headers_to_send->value.value_object.end() )
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{
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header.clear();
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header << i->first << ": ";
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header << i->second->to_wstr();
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add_header(header);
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++i;
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}
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}
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}
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void Http::add_bearer_token()
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{
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if( bearer_token && bearer_token[0] != 0 )
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{
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pt::WTextStream header;
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header << L"Authorization: Bearer " << bearer_token;
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add_header(header);
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}
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}
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void Http::add_header(const pt::WTextStream & header)
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{
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header.to_str(temp_header);
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add_header(temp_header);
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temp_header.clear();
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}
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void Http::add_header(const std::wstring & header)
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{
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pt::wide_to_utf8(header, temp_header_ascii);
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http_headers = curl_slist_append(http_headers, temp_header_ascii.c_str());
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}
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void Http::initialize_curl_if_needed()
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{
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if( !curl )
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{
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/*
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* curl_easy_init() is not thread safe before curl 7.84.0 version
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*
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* from https://curl.se/libcurl/c/curl_easy_init.html
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* If you did not already call curl_global_init, curl_easy_init does it automatically.
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* This may be lethal in multi-threaded cases, since curl_global_init is not thread-safe,
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* and it may result in resource problems because there is no corresponding cleanup.
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*
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* but we have called curl_global_init() in main.cpp (InitCurlLibrary() method)
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*
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*/
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curl = curl_easy_init();
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}
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}
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void Http::uninitialize_curl()
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{
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reset_headers();
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if( curl )
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{
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curl_easy_cleanup(curl);
|
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curl = nullptr;
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}
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}
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// in can be pointer to const char *
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bool Http::fetch_internal(const char * url, const std::string * in, pt::TextStream & out)
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{
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initialize_curl_if_needed();
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if( output_headers_space )
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output_headers_space->clear();
|
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|
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if( output_content_type )
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output_content_type->clear();
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if( !curl )
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{
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log << log1 << "Http: I can't initialize curl easy session" << logend;
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return false;
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}
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error_buf[0] = 0;
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read_function_input = in; // can be null
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read_function_index = 0;
|
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|
||||
if( read_function_input )
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||||
{
|
||||
curl_easy_setopt(curl, CURLOPT_READFUNCTION, fetch_read_function);
|
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curl_easy_setopt(curl, CURLOPT_READDATA, this);
|
||||
curl_easy_setopt(curl, CURLOPT_POST, 1);
|
||||
|
||||
/*
|
||||
* do not set content-leght header here
|
||||
* curl uses "Expect: 100-continue" and it collides if content-length is set
|
||||
* https://daniel.haxx.se/blog/2020/02/27/expect-tweaks-in-curl/
|
||||
*
|
||||
*/
|
||||
}
|
||||
|
||||
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fetch_write_function);
|
||||
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &out);
|
||||
curl_easy_setopt(curl, CURLOPT_URL, url);
|
||||
curl_easy_setopt(curl, CURLOPT_USERAGENT, browser_name.c_str());
|
||||
curl_easy_setopt(curl, CURLOPT_TIMEOUT, conn_timeout);
|
||||
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, conn_timeout);
|
||||
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error_buf);
|
||||
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
|
||||
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 20);
|
||||
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
|
||||
|
||||
if( output_headers_space || output_content_type )
|
||||
{
|
||||
out_headers_stream.clear();
|
||||
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, fetch_header_function);
|
||||
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &out_headers_stream);
|
||||
}
|
||||
|
||||
add_additional_headers();
|
||||
add_bearer_token();
|
||||
|
||||
if( http_headers )
|
||||
{
|
||||
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_headers);
|
||||
}
|
||||
|
||||
CURLcode res = curl_easy_perform(curl);
|
||||
|
||||
reset_headers();
|
||||
|
||||
if( res == CURLE_OK )
|
||||
{
|
||||
parse_headers();
|
||||
out_headers_stream.clear();
|
||||
}
|
||||
else
|
||||
{
|
||||
log << log1 << "Http: fetching failed: " << error_buf << ", code: "
|
||||
<< static_cast<int>(res) << logend;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
size_t Http::fetch_read_function(char * ptr, size_t size, size_t nmemb, void * userdata)
|
||||
{
|
||||
size_t len = 0;
|
||||
|
||||
if( userdata )
|
||||
{
|
||||
Http * http = reinterpret_cast<Http*>(userdata);
|
||||
|
||||
if( http->read_function_index < http->read_function_input->size() )
|
||||
{
|
||||
len = size * nmemb;
|
||||
|
||||
if( http->read_function_index + len > http->read_function_input->size() )
|
||||
{
|
||||
len = http->read_function_input->size() - http->read_function_index;
|
||||
}
|
||||
|
||||
for(size_t i=0 ; i < len ; ++i)
|
||||
{
|
||||
ptr[i] = (*http->read_function_input)[http->read_function_index + i];
|
||||
}
|
||||
|
||||
http->read_function_index += len;
|
||||
}
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
size_t Http::fetch_write_function(char * ptr, size_t size, size_t nmemb, void * userdata)
|
||||
{
|
||||
size_t len = size * nmemb;
|
||||
|
||||
if( userdata )
|
||||
{
|
||||
pt::TextStream * out = reinterpret_cast<pt::TextStream*>(userdata);
|
||||
|
||||
if( len > 0 )
|
||||
out->write(ptr, len);
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
size_t Http::fetch_header_function(char * ptr, size_t size, size_t nmemb, void * userdata)
|
||||
{
|
||||
size_t len = size * nmemb;
|
||||
|
||||
if( userdata )
|
||||
{
|
||||
pt::TextStream * out = reinterpret_cast<pt::TextStream*>(userdata);
|
||||
|
||||
if( len > 0 )
|
||||
out->write(ptr, len);
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void Http::skip_white(pt::TextStream::iterator & i)
|
||||
{
|
||||
for( ; i != out_headers_stream.end() ; ++i )
|
||||
{
|
||||
if( !pt::is_white(*i, false, false) )
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Http::parse_header_name(pt::TextStream::iterator & i, std::string & name)
|
||||
{
|
||||
name.clear();
|
||||
|
||||
for( ; i != out_headers_stream.end() ; ++i )
|
||||
{
|
||||
char c = *i;
|
||||
|
||||
if( c == '\r' )
|
||||
{
|
||||
// just skip
|
||||
}
|
||||
else
|
||||
if( c == '\n' )
|
||||
{
|
||||
break;
|
||||
}
|
||||
else
|
||||
if( c == ':' )
|
||||
{
|
||||
++i;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
if( change_header_names_to_lower )
|
||||
{
|
||||
c = pt::to_lower(c);
|
||||
}
|
||||
|
||||
name += c;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Http::parse_header_value(pt::TextStream::iterator & i, std::string & value)
|
||||
{
|
||||
value.clear();
|
||||
|
||||
for( ; i != out_headers_stream.end() ; ++i )
|
||||
{
|
||||
char c = *i;
|
||||
|
||||
if( c == '\r' )
|
||||
{
|
||||
// just skip
|
||||
}
|
||||
else
|
||||
if( c == '\n' )
|
||||
{
|
||||
++i;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
value += c;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Http::parse_headers()
|
||||
{
|
||||
if( output_headers_space || output_content_type )
|
||||
{
|
||||
pt::TextStream::iterator i = out_headers_stream.begin();
|
||||
|
||||
while( i != out_headers_stream.end() )
|
||||
{
|
||||
parse_header_name(i, temp_header_ascii);
|
||||
skip_white(i);
|
||||
parse_header_value(i, temp_header_value_ascii);
|
||||
|
||||
pt::utf8_to_wide(temp_header_ascii, temp_header);
|
||||
pt::utf8_to_wide(temp_header_value_ascii, temp_header_value);
|
||||
|
||||
// both temp_header and temp_header_value will be empty
|
||||
// after the first header 'HTTP/1.1 100 Continue' (if exists)
|
||||
// (there is an empty line in such a case)
|
||||
if( !temp_header.empty() || !temp_header_value.empty() )
|
||||
{
|
||||
if( output_headers_space )
|
||||
output_headers_space->add(temp_header, temp_header_value);
|
||||
|
||||
if( output_content_type && pt::is_equal_nc(temp_header, Header::content_type) )
|
||||
*output_content_type = temp_header_value;
|
||||
}
|
||||
}
|
||||
|
||||
temp_header.clear();
|
||||
temp_header_ascii.clear();
|
||||
temp_header_value.clear();
|
||||
temp_header_value_ascii.clear();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
160
winixd/utils/http.h
Normal file
160
winixd/utils/http.h
Normal file
@@ -0,0 +1,160 @@
|
||||
/*
|
||||
* This file is a part of Winix
|
||||
* and is distributed under the 2-Clause BSD licence.
|
||||
* Author: Tomasz Sowa <t.sowa@ttmath.org>
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2010-2022, Tomasz Sowa
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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 HOLDER 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.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef headerfile_winix_utils_http
|
||||
#define headerfile_winix_utils_http
|
||||
|
||||
#include <string>
|
||||
#include <curl/curl.h>
|
||||
#include "core/synchro.h"
|
||||
#include "textstream/textstream.h"
|
||||
#include "core/winixbase.h"
|
||||
|
||||
|
||||
namespace Winix
|
||||
{
|
||||
|
||||
|
||||
class Http : public WinixBase
|
||||
{
|
||||
public:
|
||||
|
||||
static const long HTTP_STATUS_200_OK = 200;
|
||||
|
||||
|
||||
Http();
|
||||
~Http();
|
||||
|
||||
Http(const Http &) = delete;
|
||||
Http(Http &&) = delete;
|
||||
|
||||
|
||||
/*
|
||||
* we do not copy the space structure but only get a pointer to it
|
||||
* so you have to preserve the structure until get()/put() is called
|
||||
*/
|
||||
Http & add_input_headers(pt::Space * headers);
|
||||
|
||||
/*
|
||||
* output headers will be provided in a Space structure as key/value pairs (object)
|
||||
*
|
||||
* the first line (http status) will be inserted too (the value part will be empty), e.g.
|
||||
* key="http/1.1 200 ok"
|
||||
* value=""
|
||||
*
|
||||
*/
|
||||
Http & get_output_headers_to(pt::Space * out_headers, bool change_names_to_lower = true);
|
||||
|
||||
|
||||
/*
|
||||
* if we don't need all headers but just content-type
|
||||
*/
|
||||
Http & get_output_content_type_to(std::wstring * out_content_type);
|
||||
|
||||
|
||||
/*
|
||||
* you don't have to call these methods
|
||||
* if the curl is not initialized it will be initialized automatically from get/put methods
|
||||
*/
|
||||
void initialize_curl_if_needed();
|
||||
void uninitialize_curl();
|
||||
|
||||
/*
|
||||
* we do not copy the string but only get a pointer to its c_str()
|
||||
* so you have to preserve the string until get()/put() is called
|
||||
*/
|
||||
Http & add_bearer_token(const wchar_t * token);
|
||||
Http & add_bearer_token(const std::wstring & token);
|
||||
|
||||
bool get(const wchar_t * url, std::wstring & out, bool clear_str = true);
|
||||
bool get(const std::wstring & url, std::wstring & out, bool clear_str = true);
|
||||
bool get(const pt::WTextStream & url, std::wstring & out, bool clear_str = true);
|
||||
|
||||
bool get(const wchar_t * url, pt::WTextStream & out, bool clear_stream = true);
|
||||
bool get(const std::wstring & url, pt::WTextStream & out, bool clear_stream = true);
|
||||
bool get(const pt::WTextStream & url, pt::WTextStream & out, bool clear_stream = true);
|
||||
|
||||
bool put(const wchar_t * url, const std::string & in, pt::WTextStream & out, bool clear_stream = true);
|
||||
bool put(const std::wstring & url, const std::string & in, pt::WTextStream & out, bool clear_stream = true);
|
||||
bool put(const wchar_t * url, pt::WTextStream & in, pt::WTextStream & out, bool clear_stream = true);
|
||||
|
||||
/*
|
||||
* return the last http status
|
||||
*/
|
||||
long get_status();
|
||||
|
||||
|
||||
private:
|
||||
|
||||
CURL * curl;
|
||||
char error_buf[CURL_ERROR_SIZE];
|
||||
std::string browser_name;
|
||||
int conn_timeout; // timeout in seconds
|
||||
size_t read_function_index;
|
||||
const std::string * read_function_input;
|
||||
curl_slist * http_headers;
|
||||
pt::Space * additional_headers_to_send;
|
||||
pt::Space * output_headers_space;
|
||||
const wchar_t * bearer_token = nullptr;
|
||||
pt::TextStream out_headers_stream;
|
||||
bool change_header_names_to_lower;
|
||||
std::wstring * output_content_type;
|
||||
|
||||
std::wstring temp_header;
|
||||
std::string temp_header_ascii;
|
||||
|
||||
std::wstring temp_header_value;
|
||||
std::string temp_header_value_ascii;
|
||||
|
||||
bool fetch_internal(const char * url, const std::string * in, pt::TextStream & out);
|
||||
static size_t fetch_read_function(char * ptr, size_t size, size_t nmemb, void * userdata);
|
||||
static size_t fetch_write_function(char * ptr, size_t size, size_t nmemb, void * userdata);
|
||||
static size_t fetch_header_function(char * ptr, size_t size, size_t nmemb, void * userdata);
|
||||
void reset_headers();
|
||||
void add_additional_headers();
|
||||
void add_bearer_token();
|
||||
void add_header(const pt::WTextStream & header);
|
||||
void add_header(const std::wstring & header);
|
||||
void skip_white(pt::TextStream::iterator & i);
|
||||
void parse_header_name(pt::TextStream::iterator & i, std::string & name);
|
||||
void parse_header_value(pt::TextStream::iterator & i, std::string & value);
|
||||
void parse_headers();
|
||||
|
||||
};
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user