mirror of
https://github.com/godotengine/godot.git
synced 2024-12-12 06:04:26 +00:00
616 lines
16 KiB
C++
616 lines
16 KiB
C++
/*************************************************************************/
|
|
/* http_request.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "http_request.h"
|
|
|
|
void HTTPRequest::set_ip_type(IP::Type p_type) {
|
|
client->set_ip_type(p_type);
|
|
}
|
|
|
|
void HTTPRequest::_redirect_request(const String& p_new_url) {
|
|
|
|
|
|
}
|
|
|
|
Error HTTPRequest::_request() {
|
|
|
|
//print_line("Requesting:\n\tURL: "+url+"\n\tString: "+request_string+"\n\tPort: "+itos(port)+"\n\tSSL: "+itos(use_ssl)+"\n\tValidate SSL: "+itos(validate_ssl));
|
|
return client->connect_to_host(url,port,use_ssl,validate_ssl);
|
|
}
|
|
|
|
Error HTTPRequest::_parse_url(const String& p_url) {
|
|
|
|
url=p_url;
|
|
use_ssl=false;
|
|
|
|
request_string="";
|
|
port=80;
|
|
request_sent=false;
|
|
got_response=false;
|
|
body_len=-1;
|
|
body.resize(0);
|
|
downloaded=0;
|
|
redirections=0;
|
|
|
|
//print_line("1 url: "+url);
|
|
if (url.begins_with("http://")) {
|
|
|
|
url=url.substr(7,url.length()-7);
|
|
//print_line("no SSL");
|
|
|
|
} else if (url.begins_with("https://")) {
|
|
url=url.substr(8,url.length()-8);
|
|
use_ssl=true;
|
|
port=443;
|
|
//print_line("yes SSL");
|
|
} else {
|
|
ERR_EXPLAIN("Malformed URL");
|
|
ERR_FAIL_V(ERR_INVALID_PARAMETER);
|
|
}
|
|
|
|
//print_line("2 url: "+url);
|
|
|
|
int slash_pos = url.find("/");
|
|
|
|
if (slash_pos!=-1) {
|
|
request_string=url.substr(slash_pos,url.length());
|
|
url=url.substr(0,slash_pos);
|
|
//print_line("request string: "+request_string);
|
|
} else {
|
|
request_string="/";
|
|
//print_line("no request");
|
|
}
|
|
|
|
//print_line("3 url: "+url);
|
|
|
|
int colon_pos = url.find(":");
|
|
if (colon_pos!=-1) {
|
|
port=url.substr(colon_pos+1,url.length()).to_int();
|
|
url=url.substr(0,colon_pos);
|
|
ERR_FAIL_COND_V(port<1 || port > 65535,ERR_INVALID_PARAMETER);
|
|
}
|
|
|
|
//print_line("4 url: "+url);
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error HTTPRequest::request(const String& p_url, const Vector<String>& p_custom_headers, bool p_ssl_validate_domain, HTTPClient::Method p_method, const String& p_request_data) {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(),ERR_UNCONFIGURED);
|
|
if ( requesting ) {
|
|
ERR_EXPLAIN("HTTPRequest is processing a request. Wait for completion or cancel it before attempting a new one.");
|
|
ERR_FAIL_V(ERR_BUSY);
|
|
}
|
|
|
|
method=p_method;
|
|
|
|
Error err = _parse_url(p_url);
|
|
if (err)
|
|
return err;
|
|
|
|
validate_ssl=p_ssl_validate_domain;
|
|
|
|
bool has_user_agent=false;
|
|
bool has_accept=false;
|
|
headers=p_custom_headers;
|
|
|
|
request_data = p_request_data;
|
|
|
|
for(int i=0;i<headers.size();i++) {
|
|
|
|
if (headers[i].findn("user-agent:")==0)
|
|
has_user_agent=true;
|
|
if (headers[i].findn("Accept:")==0)
|
|
has_accept=true;
|
|
}
|
|
|
|
if (!has_user_agent) {
|
|
headers.push_back("User-Agent: GodotEngine/"+String(VERSION_MKSTRING)+" ("+OS::get_singleton()->get_name()+")");
|
|
}
|
|
|
|
if (!has_accept) {
|
|
headers.push_back("Accept: */*");
|
|
}
|
|
|
|
requesting=true;
|
|
|
|
if (use_threads) {
|
|
|
|
thread_done=false;
|
|
thread_request_quit=false;
|
|
client->set_blocking_mode(true);
|
|
thread=Thread::create(_thread_func,this);
|
|
} else {
|
|
client->set_blocking_mode(false);
|
|
err = _request();
|
|
if (err!=OK) {
|
|
call_deferred("_request_done",RESULT_CANT_CONNECT,0,PoolStringArray(),PoolByteArray());
|
|
return ERR_CANT_CONNECT;
|
|
}
|
|
|
|
set_process_internal(true);
|
|
|
|
}
|
|
|
|
|
|
return OK;
|
|
}
|
|
|
|
|
|
void HTTPRequest::_thread_func(void *p_userdata) {
|
|
|
|
HTTPRequest *hr = (HTTPRequest*)p_userdata;
|
|
|
|
Error err = hr->_request();
|
|
|
|
if (err!=OK) {
|
|
hr->call_deferred("_request_done",RESULT_CANT_CONNECT,0,PoolStringArray(),PoolByteArray());
|
|
} else {
|
|
while(!hr->thread_request_quit) {
|
|
|
|
bool exit = hr->_update_connection();
|
|
if (exit)
|
|
break;
|
|
OS::get_singleton()->delay_usec(1);
|
|
}
|
|
}
|
|
|
|
hr->thread_done=true;
|
|
}
|
|
|
|
void HTTPRequest::cancel_request() {
|
|
|
|
if (!requesting)
|
|
return;
|
|
|
|
if (!use_threads) {
|
|
set_process_internal(false);
|
|
} else {
|
|
thread_request_quit=true;
|
|
Thread::wait_to_finish(thread);
|
|
memdelete(thread);
|
|
thread=NULL;
|
|
}
|
|
|
|
if (file) {
|
|
memdelete(file);
|
|
file=NULL;
|
|
}
|
|
client->close();
|
|
body.resize(0);
|
|
//downloaded=0;
|
|
got_response=false;
|
|
response_code=-1;
|
|
//body_len=-1;
|
|
request_sent=false;
|
|
requesting=false;
|
|
}
|
|
|
|
|
|
bool HTTPRequest::_handle_response(bool *ret_value) {
|
|
|
|
if (!client->has_response()) {
|
|
call_deferred("_request_done",RESULT_NO_RESPONSE,0,PoolStringArray(),PoolByteArray());
|
|
*ret_value=true;
|
|
return true;
|
|
}
|
|
|
|
got_response=true;
|
|
response_code=client->get_response_code();
|
|
List<String> rheaders;
|
|
client->get_response_headers(&rheaders);
|
|
response_headers.resize(0);
|
|
downloaded=0;
|
|
for (List<String>::Element *E=rheaders.front();E;E=E->next()) {
|
|
//print_line("HEADER: "+E->get());
|
|
response_headers.push_back(E->get());
|
|
}
|
|
|
|
if (response_code==301 || response_code==302) {
|
|
//redirect
|
|
if (max_redirects>=0 && redirections>=max_redirects) {
|
|
|
|
call_deferred("_request_done",RESULT_REDIRECT_LIMIT_REACHED,response_code,response_headers,PoolByteArray());
|
|
*ret_value=true;
|
|
return true;
|
|
}
|
|
|
|
String new_request;
|
|
|
|
for (List<String>::Element *E=rheaders.front();E;E=E->next()) {
|
|
if (E->get().findn("Location: ")!=-1) {
|
|
new_request=E->get().substr(9,E->get().length()).strip_edges();
|
|
}
|
|
}
|
|
|
|
//print_line("NEW LOCATION: "+new_request);
|
|
|
|
if (new_request!="") {
|
|
//process redirect
|
|
client->close();
|
|
int new_redirs=redirections+1; //because _request() will clear it
|
|
Error err;
|
|
if (new_request.begins_with("http")) {
|
|
//new url, request all again
|
|
err=_parse_url(new_request);
|
|
} else {
|
|
request_string=new_request;
|
|
}
|
|
|
|
err = _request();
|
|
|
|
//print_line("new connection: "+itos(err));
|
|
if (err==OK) {
|
|
request_sent=false;
|
|
got_response=false;
|
|
body_len=-1;
|
|
body.resize(0);
|
|
downloaded=0;
|
|
redirections=new_redirs;
|
|
*ret_value=false;
|
|
return true;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool HTTPRequest::_update_connection() {
|
|
|
|
switch( client->get_status() ) {
|
|
case HTTPClient::STATUS_DISCONNECTED: {
|
|
call_deferred("_request_done",RESULT_CANT_CONNECT,0,PoolStringArray(),PoolByteArray());
|
|
return true; //end it, since it's doing something
|
|
} break;
|
|
case HTTPClient::STATUS_RESOLVING: {
|
|
client->poll();
|
|
//must wait
|
|
return false;
|
|
} break;
|
|
case HTTPClient::STATUS_CANT_RESOLVE: {
|
|
call_deferred("_request_done",RESULT_CANT_RESOLVE,0,PoolStringArray(),PoolByteArray());
|
|
return true;
|
|
|
|
} break;
|
|
case HTTPClient::STATUS_CONNECTING: {
|
|
client->poll();
|
|
//must wait
|
|
return false;
|
|
} break; //connecting to ip
|
|
case HTTPClient::STATUS_CANT_CONNECT: {
|
|
|
|
call_deferred("_request_done",RESULT_CANT_CONNECT,0,PoolStringArray(),PoolByteArray());
|
|
return true;
|
|
|
|
} break;
|
|
case HTTPClient::STATUS_CONNECTED: {
|
|
|
|
if (request_sent) {
|
|
|
|
if (!got_response) {
|
|
|
|
//no body
|
|
|
|
bool ret_value;
|
|
|
|
if (_handle_response(&ret_value))
|
|
return ret_value;
|
|
|
|
|
|
call_deferred("_request_done",RESULT_SUCCESS,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
if (got_response && body_len<0) {
|
|
//chunked transfer is done
|
|
call_deferred("_request_done",RESULT_SUCCESS,response_code,response_headers,body);
|
|
return true;
|
|
|
|
}
|
|
|
|
call_deferred("_request_done",RESULT_CHUNKED_BODY_SIZE_MISMATCH,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
//request migh have been done
|
|
} else {
|
|
//did not request yet, do request
|
|
|
|
Error err = client->request(method,request_string,headers,request_data);
|
|
if (err!=OK) {
|
|
call_deferred("_request_done",RESULT_CONNECTION_ERROR,0,PoolStringArray(),PoolByteArray());
|
|
return true;
|
|
}
|
|
|
|
request_sent=true;
|
|
return false;
|
|
}
|
|
} break; //connected: { } break requests only accepted here
|
|
case HTTPClient::STATUS_REQUESTING: {
|
|
//must wait, it's requesting
|
|
client->poll();
|
|
return false;
|
|
|
|
} break; // request in progress
|
|
case HTTPClient::STATUS_BODY: {
|
|
|
|
if (!got_response) {
|
|
|
|
|
|
bool ret_value;
|
|
|
|
if (_handle_response(&ret_value))
|
|
return ret_value;
|
|
|
|
if (!client->is_response_chunked() && client->get_response_body_length()==0) {
|
|
|
|
call_deferred("_request_done",RESULT_SUCCESS,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
|
|
|
|
if (client->is_response_chunked()) {
|
|
body_len=-1; //no body len because chunked, change your webserver configuration if you want body len
|
|
} else {
|
|
body_len=client->get_response_body_length();
|
|
|
|
if (body_size_limit>=0 && body_len>body_size_limit) {
|
|
call_deferred("_request_done",RESULT_BODY_SIZE_LIMIT_EXCEEDED,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (download_to_file!=String()) {
|
|
file=FileAccess::open(download_to_file,FileAccess::WRITE);
|
|
if (!file) {
|
|
|
|
call_deferred("_request_done",RESULT_DOWNLOAD_FILE_CANT_OPEN,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//print_line("BODY: "+itos(body.size()));
|
|
client->poll();
|
|
|
|
PoolByteArray chunk = client->read_response_body_chunk();
|
|
downloaded+=chunk.size();
|
|
|
|
if (file) {
|
|
PoolByteArray::Read r=chunk.read();
|
|
file->store_buffer(r.ptr(),chunk.size());
|
|
if (file->get_error()!=OK) {
|
|
call_deferred("_request_done",RESULT_DOWNLOAD_FILE_WRITE_ERROR,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
} else {
|
|
body.append_array(chunk);
|
|
}
|
|
|
|
if (body_size_limit>=0 && downloaded>body_size_limit) {
|
|
call_deferred("_request_done",RESULT_BODY_SIZE_LIMIT_EXCEEDED,response_code,response_headers,PoolByteArray());
|
|
return true;
|
|
}
|
|
|
|
if (body_len>=0) {
|
|
|
|
if (downloaded==body_len) {
|
|
call_deferred("_request_done",RESULT_SUCCESS,response_code,response_headers,body);
|
|
return true;
|
|
}
|
|
/*if (body.size()>=body_len) {
|
|
call_deferred("_request_done",RESULT_BODY_SIZE_MISMATCH,response_code,response_headers,ByteArray());
|
|
return true;
|
|
}*/
|
|
}
|
|
|
|
return false;
|
|
|
|
} break; // request resulted in body: { } break which must be read
|
|
case HTTPClient::STATUS_CONNECTION_ERROR: {
|
|
call_deferred("_request_done",RESULT_CONNECTION_ERROR,0,PoolStringArray(),PoolByteArray());
|
|
return true;
|
|
} break;
|
|
case HTTPClient::STATUS_SSL_HANDSHAKE_ERROR: {
|
|
call_deferred("_request_done",RESULT_SSL_HANDSHAKE_ERROR,0,PoolStringArray(),PoolByteArray());
|
|
return true;
|
|
} break;
|
|
|
|
}
|
|
|
|
ERR_FAIL_V(false);
|
|
}
|
|
|
|
|
|
void HTTPRequest::_request_done(int p_status, int p_code, const PoolStringArray& headers, const PoolByteArray& p_data) {
|
|
|
|
|
|
cancel_request();
|
|
emit_signal("request_completed",p_status,p_code,headers,p_data);
|
|
}
|
|
|
|
|
|
void HTTPRequest::_notification(int p_what) {
|
|
|
|
if (p_what==NOTIFICATION_INTERNAL_PROCESS) {
|
|
|
|
if (use_threads)
|
|
return;
|
|
bool done = _update_connection();
|
|
if (done) {
|
|
|
|
set_process_internal(false);
|
|
//cancel_request(); called from _request done now
|
|
}
|
|
}
|
|
|
|
if (p_what==NOTIFICATION_EXIT_TREE) {
|
|
if (requesting) {
|
|
cancel_request();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void HTTPRequest::set_use_threads(bool p_use) {
|
|
|
|
ERR_FAIL_COND( status!=HTTPClient::STATUS_DISCONNECTED );
|
|
use_threads=p_use;
|
|
}
|
|
|
|
bool HTTPRequest::is_using_threads() const {
|
|
|
|
return use_threads;
|
|
}
|
|
|
|
void HTTPRequest::set_body_size_limit(int p_bytes) {
|
|
|
|
ERR_FAIL_COND( status!=HTTPClient::STATUS_DISCONNECTED );
|
|
|
|
body_size_limit=p_bytes;
|
|
}
|
|
|
|
int HTTPRequest::get_body_size_limit() const {
|
|
|
|
return body_size_limit;
|
|
}
|
|
|
|
|
|
void HTTPRequest::set_download_file(const String& p_file) {
|
|
|
|
ERR_FAIL_COND( status!=HTTPClient::STATUS_DISCONNECTED );
|
|
|
|
download_to_file=p_file;
|
|
}
|
|
|
|
String HTTPRequest::get_download_file() const {
|
|
|
|
return download_to_file;
|
|
}
|
|
HTTPClient::Status HTTPRequest::get_http_client_status() const {
|
|
return client->get_status();
|
|
}
|
|
|
|
void HTTPRequest::set_max_redirects(int p_max) {
|
|
|
|
max_redirects=p_max;
|
|
}
|
|
|
|
int HTTPRequest::get_max_redirects() const{
|
|
|
|
return max_redirects;
|
|
}
|
|
|
|
int HTTPRequest::get_downloaded_bytes() const {
|
|
|
|
return downloaded;
|
|
}
|
|
int HTTPRequest::get_body_size() const{
|
|
return body_len;
|
|
}
|
|
|
|
|
|
void HTTPRequest::_bind_methods() {
|
|
|
|
ClassDB::bind_method(_MD("set_ip_type","ip_type"),&HTTPRequest::set_ip_type);
|
|
ClassDB::bind_method(_MD("request","url","custom_headers","ssl_validate_domain","method","request_data"),&HTTPRequest::request,DEFVAL(PoolStringArray()),DEFVAL(true),DEFVAL(HTTPClient::METHOD_GET),DEFVAL(String()));
|
|
ClassDB::bind_method(_MD("cancel_request"),&HTTPRequest::cancel_request);
|
|
|
|
ClassDB::bind_method(_MD("get_http_client_status"),&HTTPRequest::get_http_client_status);
|
|
|
|
ClassDB::bind_method(_MD("set_use_threads","enable"),&HTTPRequest::set_use_threads);
|
|
ClassDB::bind_method(_MD("is_using_threads"),&HTTPRequest::is_using_threads);
|
|
|
|
ClassDB::bind_method(_MD("set_body_size_limit","bytes"),&HTTPRequest::set_body_size_limit);
|
|
ClassDB::bind_method(_MD("get_body_size_limit"),&HTTPRequest::get_body_size_limit);
|
|
|
|
ClassDB::bind_method(_MD("set_max_redirects","amount"),&HTTPRequest::set_max_redirects);
|
|
ClassDB::bind_method(_MD("get_max_redirects"),&HTTPRequest::get_max_redirects);
|
|
|
|
ClassDB::bind_method(_MD("set_download_file","path"),&HTTPRequest::set_download_file);
|
|
ClassDB::bind_method(_MD("get_download_file"),&HTTPRequest::get_download_file);
|
|
|
|
ClassDB::bind_method(_MD("get_downloaded_bytes"),&HTTPRequest::get_downloaded_bytes);
|
|
ClassDB::bind_method(_MD("get_body_size"),&HTTPRequest::get_body_size);
|
|
|
|
ClassDB::bind_method(_MD("_redirect_request"),&HTTPRequest::_redirect_request);
|
|
ClassDB::bind_method(_MD("_request_done"),&HTTPRequest::_request_done);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"use_threads"),_SCS("set_use_threads"),_SCS("is_using_threads"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT,"body_size_limit",PROPERTY_HINT_RANGE,"-1,2000000000"),_SCS("set_body_size_limit"),_SCS("get_body_size_limit"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT,"max_redirects",PROPERTY_HINT_RANGE,"-1,1024"),_SCS("set_max_redirects"),_SCS("get_max_redirects"));
|
|
|
|
ADD_SIGNAL(MethodInfo("request_completed",PropertyInfo(Variant::INT,"result"),PropertyInfo(Variant::INT,"response_code"),PropertyInfo(Variant::POOL_STRING_ARRAY,"headers"),PropertyInfo(Variant::POOL_BYTE_ARRAY,"body")));
|
|
|
|
BIND_CONSTANT( RESULT_SUCCESS );
|
|
//BIND_CONSTANT( RESULT_NO_BODY );
|
|
BIND_CONSTANT( RESULT_CHUNKED_BODY_SIZE_MISMATCH );
|
|
BIND_CONSTANT( RESULT_CANT_CONNECT );
|
|
BIND_CONSTANT( RESULT_CANT_RESOLVE );
|
|
BIND_CONSTANT( RESULT_CONNECTION_ERROR );
|
|
BIND_CONSTANT( RESULT_SSL_HANDSHAKE_ERROR );
|
|
BIND_CONSTANT( RESULT_NO_RESPONSE );
|
|
BIND_CONSTANT( RESULT_BODY_SIZE_LIMIT_EXCEEDED );
|
|
BIND_CONSTANT( RESULT_REQUEST_FAILED );
|
|
BIND_CONSTANT( RESULT_DOWNLOAD_FILE_CANT_OPEN );
|
|
BIND_CONSTANT( RESULT_DOWNLOAD_FILE_WRITE_ERROR );
|
|
BIND_CONSTANT( RESULT_REDIRECT_LIMIT_REACHED );
|
|
|
|
}
|
|
|
|
HTTPRequest::HTTPRequest()
|
|
{
|
|
|
|
thread=NULL;
|
|
|
|
port=80;
|
|
redirections=0;
|
|
max_redirects=8;
|
|
body_len=-1;
|
|
got_response=false;
|
|
validate_ssl=false;
|
|
use_ssl=false;
|
|
response_code=0;
|
|
request_sent=false;
|
|
requesting=false;
|
|
client.instance();
|
|
use_threads=false;
|
|
thread_done=false;
|
|
body_size_limit=-1;
|
|
file=NULL;
|
|
status=HTTPClient::STATUS_DISCONNECTED;
|
|
|
|
}
|
|
|
|
HTTPRequest::~HTTPRequest() {
|
|
if (file)
|
|
memdelete(file);
|
|
}
|