diff options
Diffstat (limited to 'scene/main/http_request.cpp')
-rw-r--r-- | scene/main/http_request.cpp | 234 |
1 files changed, 160 insertions, 74 deletions
diff --git a/scene/main/http_request.cpp b/scene/main/http_request.cpp index 34056dfcba..90e3713799 100644 --- a/scene/main/http_request.cpp +++ b/scene/main/http_request.cpp @@ -7,28 +7,22 @@ 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(url,port,use_ssl,validate_ssl); } -Error HTTPRequest::request(const String& p_url, const Vector<String>& p_custom_headers, bool p_ssl_validate_domain) { - - 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); - } +Error HTTPRequest::_parse_url(const String& p_url) { url=p_url; use_ssl=false; request_string=""; port=80; - headers=p_custom_headers; request_sent=false; got_response=false; - validate_ssl=p_ssl_validate_domain; body_len=-1; body.resize(0); + downloaded=0; redirections=0; print_line("1 url: "+url); @@ -71,8 +65,23 @@ Error HTTPRequest::request(const String& p_url, const Vector<String>& p_custom_h 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) { + + 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); + } + + Error err = _parse_url(p_url); + validate_ssl=p_ssl_validate_domain; + bool has_user_agent=false; bool has_accept=false; + headers=p_custom_headers; for(int i=0;i<headers.size();i++) { @@ -91,7 +100,7 @@ Error HTTPRequest::request(const String& p_url, const Vector<String>& p_custom_h } - Error err = _request(); + err = _request(); if (err==OK) { set_process(true); @@ -112,16 +121,92 @@ void HTTPRequest::cancel_request() { set_process(false); } + if (file) { + memdelete(file); + file=NULL; + } client->close(); body.resize(0); + //downloaded=0; got_response=false; response_code=-1; - body_len=-1; + //body_len=-1; request_sent=false; requesting=false; } +bool HTTPRequest::_handle_response(bool *ret_value) { + + if (!client->has_response()) { + call_deferred("emit_signal","request_completed",RESULT_NO_RESPONSE,0,StringArray(),ByteArray()); + *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("emit_signal","request_completed",RESULT_REDIRECT_LIMIT_REACHED,response_code,response_headers,ByteArray()); + *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() ) { @@ -157,52 +242,10 @@ bool HTTPRequest::_update_connection() { //no body - got_response=true; - response_code=client->get_response_code(); - List<String> rheaders; - client->get_response_headers(&rheaders); - response_headers.resize(0); - for (List<String>::Element *E=rheaders.front();E;E=E->next()) { - print_line("HEADER: "+E->get()); - response_headers.push_back(E->get()); - } + bool ret_value; - if (response_code==301) { - //redirect - if (max_redirects>=0 && redirections>=max_redirects) { - - call_deferred("emit_signal","request_completed",RESULT_REDIRECT_LIMIT_REACHED,response_code,response_headers,ByteArray()); - 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(); - request_string=new_request; - int new_redirs=redirections+1; //because _request() will clear it - Error err = _request(); - print_line("new connection: "+itos(err)); - if (err==OK) { - request_sent=false; - got_response=false; - body_len=-1; - body.resize(0); - redirections=new_redirs; - return false; - - } - } - } + if (_handle_response(&ret_value)) + return ret_value; call_deferred("emit_signal","request_completed",RESULT_SUCCESS,response_code,response_headers,ByteArray()); @@ -240,20 +283,12 @@ bool HTTPRequest::_update_connection() { case HTTPClient::STATUS_BODY: { if (!got_response) { - if (!client->has_response()) { - call_deferred("emit_signal","request_completed",RESULT_NO_RESPONSE,0,StringArray(),ByteArray()); - return true; - } - got_response=true; - response_code=client->get_response_code(); - List<String> rheaders; - client->get_response_headers(&rheaders); - response_headers.resize(0); - for (List<String>::Element *E=rheaders.front();E;E=E->next()) { - print_line("HEADER: "+E->get()); - response_headers.push_back(E->get()); - } + + bool ret_value; + + if (_handle_response(&ret_value)) + return ret_value; if (!client->is_response_chunked() && client->get_response_body_length()==0) { @@ -263,7 +298,7 @@ bool HTTPRequest::_update_connection() { if (client->is_response_chunked()) { - body_len=-1; + 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(); @@ -273,22 +308,41 @@ bool HTTPRequest::_update_connection() { } } + if (download_to_file!=String()) { + file=FileAccess::open(download_to_file,FileAccess::WRITE); + if (!file) { + + call_deferred("emit_signal","request_completed",RESULT_DOWNLOAD_FILE_CANT_OPEN,response_code,response_headers,ByteArray()); + } + } } //print_line("BODY: "+itos(body.size())); client->poll(); - body.append_array(client->read_response_body_chunk()); + ByteArray chunk = client->read_response_body_chunk(); + downloaded+=chunk.size(); - if (body_size_limit>=0 && body.size()>body_size_limit) { + if (file) { + ByteArray::Read r=chunk.read(); + file->store_buffer(r.ptr(),chunk.size()); + if (file->get_error()!=OK) { + call_deferred("emit_signal","request_completed",RESULT_DOWNLOAD_FILE_WRITE_ERROR,response_code,response_headers,ByteArray()); + return true; + } + } else { + body.append_array(chunk); + } + + if (body_size_limit>=0 && downloaded>body_size_limit) { call_deferred("emit_signal","request_completed",RESULT_BODY_SIZE_LIMIT_EXCEEDED,response_code,response_headers,ByteArray()); return true; } if (body_len>=0) { - if (body.size()==body_len) { + if (downloaded==body_len) { call_deferred("emit_signal","request_completed",RESULT_SUCCESS,response_code,response_headers,body); return true; } @@ -351,6 +405,18 @@ 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(); } @@ -365,6 +431,14 @@ 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() { @@ -382,6 +456,12 @@ void HTTPRequest::_bind_methods() { ObjectTypeDB::bind_method(_MD("set_max_redirects","amount"),&HTTPRequest::set_max_redirects); ObjectTypeDB::bind_method(_MD("get_max_redirects"),&HTTPRequest::get_max_redirects); + ObjectTypeDB::bind_method(_MD("set_download_file","path"),&HTTPRequest::set_download_file); + ObjectTypeDB::bind_method(_MD("get_download_file"),&HTTPRequest::get_download_file); + + ObjectTypeDB::bind_method(_MD("get_downloaded_bytes"),&HTTPRequest::get_downloaded_bytes); + ObjectTypeDB::bind_method(_MD("get_body_size"),&HTTPRequest::get_body_size); + ObjectTypeDB::bind_method(_MD("_redirect_request"),&HTTPRequest::_redirect_request); ADD_PROPERTY(PropertyInfo(Variant::BOOL,"use_threads"),_SCS("set_use_threads"),_SCS("is_using_threads")); @@ -401,6 +481,7 @@ void HTTPRequest::_bind_methods() { BIND_CONSTANT( RESULT_BODY_SIZE_LIMIT_EXCEEDED ); BIND_CONSTANT( RESULT_REQUEST_FAILED ); BIND_CONSTANT( RESULT_REDIRECT_LIMIT_REACHED ); + BIND_CONSTANT( RESULT_DOWNLOAD_FILE_WRITE_ERROR ); } @@ -413,14 +494,19 @@ HTTPRequest::HTTPRequest() max_redirects=8; body_len=-1; got_response=false; - validate_ssl=false; + validate_ssl=false; use_ssl=false; response_code=0; request_sent=false; client.instance(); use_threads=false; body_size_limit=-1; + file=NULL; status=HTTPClient::STATUS_DISCONNECTED; } +HTTPRequest::~HTTPRequest() { + if (file) + memdelete(file); +} |