summaryrefslogtreecommitdiff
path: root/scene/main/http_request.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/main/http_request.cpp')
-rw-r--r--scene/main/http_request.cpp213
1 files changed, 142 insertions, 71 deletions
diff --git a/scene/main/http_request.cpp b/scene/main/http_request.cpp
index 82ee4dde50..884696d58d 100644
--- a/scene/main/http_request.cpp
+++ b/scene/main/http_request.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -29,6 +29,8 @@
/*************************************************************************/
#include "http_request.h"
+#include "core/io/compression.h"
+#include "core/string/ustring.h"
void HTTPRequest::_redirect_request(const String &p_new_url) {
}
@@ -38,51 +40,78 @@ Error HTTPRequest::_request() {
}
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;
+ downloaded.set(0);
redirections = 0;
- String url_lower = url.to_lower();
- if (url_lower.begins_with("http://")) {
- url = url.substr(7, url.length() - 7);
- } else if (url_lower.begins_with("https://")) {
- url = url.substr(8, url.length() - 8);
+ String scheme;
+ Error err = p_url.parse_url(scheme, url, port, request_string);
+ ERR_FAIL_COND_V_MSG(err != OK, err, "Error parsing URL: " + p_url + ".");
+ if (scheme == "https://") {
use_ssl = true;
- port = 443;
- } else {
- ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Malformed URL: " + url + ".");
+ } else if (scheme != "http://") {
+ ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Invalid URL scheme: " + scheme + ".");
}
+ if (port == 0) {
+ port = use_ssl ? 443 : 80;
+ }
+ if (request_string.is_empty()) {
+ request_string = "/";
+ }
+ return OK;
+}
- ERR_FAIL_COND_V_MSG(url.length() < 1, ERR_INVALID_PARAMETER, "URL too short: " + url + ".");
-
- int slash_pos = url.find("/");
+bool HTTPRequest::has_header(const PackedStringArray &p_headers, const String &p_header_name) {
+ bool exists = false;
- if (slash_pos != -1) {
- request_string = url.substr(slash_pos, url.length());
- url = url.substr(0, slash_pos);
- } else {
- request_string = "/";
+ String lower_case_header_name = p_header_name.to_lower();
+ for (int i = 0; i < p_headers.size() && !exists; i++) {
+ String sanitized = p_headers[i].strip_edges().to_lower();
+ if (sanitized.begins_with(lower_case_header_name)) {
+ exists = true;
+ }
}
- 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);
+ return exists;
+}
+
+String HTTPRequest::get_header_value(const PackedStringArray &p_headers, const String &p_header_name) {
+ String value = "";
+
+ String lowwer_case_header_name = p_header_name.to_lower();
+ for (int i = 0; i < p_headers.size(); i++) {
+ if (p_headers[i].find(":", 0) >= 0) {
+ Vector<String> parts = p_headers[i].split(":", false, 1);
+ if (parts[0].strip_edges().to_lower() == lowwer_case_header_name) {
+ value = parts[1].strip_edges();
+ break;
+ }
+ }
}
- return OK;
+ return value;
}
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) {
+ // Copy the string into a raw buffer
+ Vector<uint8_t> raw_data;
+
+ CharString charstr = p_request_data.utf8();
+ size_t len = charstr.length();
+ raw_data.resize(len);
+ uint8_t *w = raw_data.ptrw();
+ memcpy(w, charstr.ptr(), len);
+
+ return request_raw(p_url, p_custom_headers, p_ssl_validate_domain, p_method, raw_data);
+}
+
+Error HTTPRequest::request_raw(const String &p_url, const Vector<String> &p_custom_headers, bool p_ssl_validate_domain, HTTPClient::Method p_method, const Vector<uint8_t> &p_request_data_raw) {
ERR_FAIL_COND_V(!is_inside_tree(), ERR_UNCONFIGURED);
ERR_FAIL_COND_V_MSG(requesting, ERR_BUSY, "HTTPRequest is processing a request. Wait for completion or cancel it before attempting a new one.");
@@ -102,15 +131,22 @@ Error HTTPRequest::request(const String &p_url, const Vector<String> &p_custom_h
headers = p_custom_headers;
- request_data = p_request_data;
+ if (accept_gzip) {
+ // If the user has specified a different Accept-Encoding, don't overwrite it
+ if (!has_header(headers, "Accept-Encoding")) {
+ headers.push_back("Accept-Encoding: gzip, deflate");
+ }
+ }
+
+ request_data = p_request_data_raw;
requesting = true;
- if (use_threads) {
- thread_done = false;
- thread_request_quit = false;
+ if (use_threads.is_set()) {
+ thread_done.clear();
+ thread_request_quit.clear();
client->set_blocking_mode(true);
- thread = Thread::create(_thread_func, this);
+ thread.start(_thread_func, this);
} else {
client->set_blocking_mode(false);
err = _request();
@@ -133,7 +169,7 @@ void HTTPRequest::_thread_func(void *p_userdata) {
if (err != OK) {
hr->call_deferred("_request_done", RESULT_CANT_CONNECT, 0, PackedStringArray(), PackedByteArray());
} else {
- while (!hr->thread_request_quit) {
+ while (!hr->thread_request_quit.is_set()) {
bool exit = hr->_update_connection();
if (exit) {
break;
@@ -142,7 +178,7 @@ void HTTPRequest::_thread_func(void *p_userdata) {
}
}
- hr->thread_done = true;
+ hr->thread_done.set();
}
void HTTPRequest::cancel_request() {
@@ -152,13 +188,11 @@ void HTTPRequest::cancel_request() {
return;
}
- if (!use_threads) {
+ if (!use_threads.is_set()) {
set_process_internal(false);
} else {
- thread_request_quit = true;
- Thread::wait_to_finish(thread);
- memdelete(thread);
- thread = nullptr;
+ thread_request_quit.set();
+ thread.wait_to_finish();
}
if (file) {
@@ -185,7 +219,7 @@ bool HTTPRequest::_handle_response(bool *ret_value) {
List<String> rheaders;
client->get_response_headers(&rheaders);
response_headers.resize(0);
- downloaded = 0;
+ downloaded.set(0);
for (List<String>::Element *E = rheaders.front(); E; E = E->next()) {
response_headers.push_back(E->get());
}
@@ -225,7 +259,7 @@ bool HTTPRequest::_handle_response(bool *ret_value) {
got_response = false;
body_len = -1;
body.resize(0);
- downloaded = 0;
+ downloaded.set(0);
redirections = new_redirs;
*ret_value = false;
return true;
@@ -284,11 +318,11 @@ bool HTTPRequest::_update_connection() {
call_deferred("_request_done", RESULT_CHUNKED_BODY_SIZE_MISMATCH, response_code, response_headers, PackedByteArray());
return true;
- // Request migh have been done
+ // Request might have been done
} else {
// Did not request yet, do request
- Error err = client->request(method, request_string, headers, request_data);
+ Error err = client->request_raw(method, request_string, headers, request_data);
if (err != OK) {
call_deferred("_request_done", RESULT_CONNECTION_ERROR, 0, PackedStringArray(), PackedByteArray());
return true;
@@ -336,9 +370,12 @@ bool HTTPRequest::_update_connection() {
}
client->poll();
+ if (client->get_status() != HTTPClient::STATUS_BODY) {
+ return false;
+ }
PackedByteArray chunk = client->read_response_body_chunk();
- downloaded += chunk.size();
+ downloaded.add(chunk.size());
if (file) {
const uint8_t *r = chunk.ptr();
@@ -351,19 +388,20 @@ bool HTTPRequest::_update_connection() {
body.append_array(chunk);
}
- if (body_size_limit >= 0 && downloaded > body_size_limit) {
+ if (body_size_limit >= 0 && downloaded.get() > body_size_limit) {
call_deferred("_request_done", RESULT_BODY_SIZE_LIMIT_EXCEEDED, response_code, response_headers, PackedByteArray());
return true;
}
if (body_len >= 0) {
- if (downloaded == body_len) {
+ if (downloaded.get() == body_len) {
call_deferred("_request_done", RESULT_SUCCESS, response_code, response_headers, body);
return true;
}
} else if (client->get_status() == HTTPClient::STATUS_DISCONNECTED) {
// We read till EOF, with no errors. Request is done.
call_deferred("_request_done", RESULT_SUCCESS, response_code, response_headers, body);
+ return true;
}
return false;
@@ -382,14 +420,52 @@ bool HTTPRequest::_update_connection() {
ERR_FAIL_V(false);
}
-void HTTPRequest::_request_done(int p_status, int p_code, const PackedStringArray &headers, const PackedByteArray &p_data) {
+void HTTPRequest::_request_done(int p_status, int p_code, const PackedStringArray &p_headers, const PackedByteArray &p_data) {
cancel_request();
- emit_signal("request_completed", p_status, p_code, headers, p_data);
+
+ // Determine if the request body is compressed
+ bool is_compressed;
+ String content_encoding = get_header_value(p_headers, "Content-Encoding").to_lower();
+ Compression::Mode mode;
+ if (content_encoding == "gzip") {
+ mode = Compression::Mode::MODE_GZIP;
+ is_compressed = true;
+ } else if (content_encoding == "deflate") {
+ mode = Compression::Mode::MODE_DEFLATE;
+ is_compressed = true;
+ } else {
+ is_compressed = false;
+ }
+
+ const PackedByteArray *data = nullptr;
+
+ if (accept_gzip && is_compressed && p_data.size() > 0) {
+ // Decompress request body
+ PackedByteArray *decompressed = memnew(PackedByteArray);
+ int result = Compression::decompress_dynamic(decompressed, body_size_limit, p_data.ptr(), p_data.size(), mode);
+ if (result == OK) {
+ data = decompressed;
+ } else if (result == -5) {
+ WARN_PRINT("Decompressed size of HTTP response body exceeded body_size_limit");
+ p_status = RESULT_BODY_SIZE_LIMIT_EXCEEDED;
+ // Just return the raw data if we failed to decompress it
+ data = &p_data;
+ } else {
+ WARN_PRINT("Failed to decompress HTTP response body");
+ p_status = RESULT_BODY_DECOMPRESS_FAILED;
+ // Just return the raw data if we failed to decompress it
+ data = &p_data;
+ }
+ } else {
+ data = &p_data;
+ }
+
+ emit_signal("request_completed", p_status, p_code, p_headers, *data);
}
void HTTPRequest::_notification(int p_what) {
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
- if (use_threads) {
+ if (use_threads.is_set()) {
return;
}
bool done = _update_connection();
@@ -408,11 +484,19 @@ void HTTPRequest::_notification(int p_what) {
void HTTPRequest::set_use_threads(bool p_use) {
ERR_FAIL_COND(get_http_client_status() != HTTPClient::STATUS_DISCONNECTED);
- use_threads = p_use;
+ use_threads.set_to(p_use);
}
bool HTTPRequest::is_using_threads() const {
- return use_threads;
+ return use_threads.is_set();
+}
+
+void HTTPRequest::set_accept_gzip(bool p_gzip) {
+ accept_gzip = p_gzip;
+}
+
+bool HTTPRequest::is_accepting_gzip() const {
+ return accept_gzip;
}
void HTTPRequest::set_body_size_limit(int p_bytes) {
@@ -458,7 +542,7 @@ int HTTPRequest::get_max_redirects() const {
}
int HTTPRequest::get_downloaded_bytes() const {
- return downloaded;
+ return downloaded.get();
}
int HTTPRequest::get_body_size() const {
@@ -481,6 +565,7 @@ void HTTPRequest::_timeout() {
void HTTPRequest::_bind_methods() {
ClassDB::bind_method(D_METHOD("request", "url", "custom_headers", "ssl_validate_domain", "method", "request_data"), &HTTPRequest::request, DEFVAL(PackedStringArray()), DEFVAL(true), DEFVAL(HTTPClient::METHOD_GET), DEFVAL(String()));
+ ClassDB::bind_method(D_METHOD("request_raw", "url", "custom_headers", "ssl_validate_domain", "method", "request_data_raw"), &HTTPRequest::request_raw, DEFVAL(PackedStringArray()), DEFVAL(true), DEFVAL(HTTPClient::METHOD_GET), DEFVAL(PackedByteArray()));
ClassDB::bind_method(D_METHOD("cancel_request"), &HTTPRequest::cancel_request);
ClassDB::bind_method(D_METHOD("get_http_client_status"), &HTTPRequest::get_http_client_status);
@@ -488,6 +573,9 @@ void HTTPRequest::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_use_threads", "enable"), &HTTPRequest::set_use_threads);
ClassDB::bind_method(D_METHOD("is_using_threads"), &HTTPRequest::is_using_threads);
+ ClassDB::bind_method(D_METHOD("set_accept_gzip", "enable"), &HTTPRequest::set_accept_gzip);
+ ClassDB::bind_method(D_METHOD("is_accepting_gzip"), &HTTPRequest::is_accepting_gzip);
+
ClassDB::bind_method(D_METHOD("set_body_size_limit", "bytes"), &HTTPRequest::set_body_size_limit);
ClassDB::bind_method(D_METHOD("get_body_size_limit"), &HTTPRequest::get_body_size_limit);
@@ -512,6 +600,7 @@ void HTTPRequest::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::STRING, "download_file", PROPERTY_HINT_FILE), "set_download_file", "get_download_file");
ADD_PROPERTY(PropertyInfo(Variant::INT, "download_chunk_size", PROPERTY_HINT_RANGE, "256,16777216"), "set_download_chunk_size", "get_download_chunk_size");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_threads"), "set_use_threads", "is_using_threads");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "accept_gzip"), "set_accept_gzip", "is_accepting_gzip");
ADD_PROPERTY(PropertyInfo(Variant::INT, "body_size_limit", PROPERTY_HINT_RANGE, "-1,2000000000"), "set_body_size_limit", "get_body_size_limit");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_redirects", PROPERTY_HINT_RANGE, "-1,64"), "set_max_redirects", "get_max_redirects");
ADD_PROPERTY(PropertyInfo(Variant::INT, "timeout", PROPERTY_HINT_RANGE, "0,86400"), "set_timeout", "get_timeout");
@@ -527,6 +616,7 @@ void HTTPRequest::_bind_methods() {
BIND_ENUM_CONSTANT(RESULT_SSL_HANDSHAKE_ERROR);
BIND_ENUM_CONSTANT(RESULT_NO_RESPONSE);
BIND_ENUM_CONSTANT(RESULT_BODY_SIZE_LIMIT_EXCEEDED);
+ BIND_ENUM_CONSTANT(RESULT_BODY_DECOMPRESS_FAILED);
BIND_ENUM_CONSTANT(RESULT_REQUEST_FAILED);
BIND_ENUM_CONSTANT(RESULT_DOWNLOAD_FILE_CANT_OPEN);
BIND_ENUM_CONSTANT(RESULT_DOWNLOAD_FILE_WRITE_ERROR);
@@ -535,30 +625,11 @@ void HTTPRequest::_bind_methods() {
}
HTTPRequest::HTTPRequest() {
- thread = nullptr;
-
- 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;
- downloaded = 0;
- body_size_limit = -1;
- file = nullptr;
-
timer = memnew(Timer);
timer->set_one_shot(true);
timer->connect("timeout", callable_mp(this, &HTTPRequest::_timeout));
add_child(timer);
- timeout = 0;
}
HTTPRequest::~HTTPRequest() {