diff options
Diffstat (limited to 'platform/javascript/http_client_javascript.cpp')
| -rw-r--r-- | platform/javascript/http_client_javascript.cpp | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/platform/javascript/http_client_javascript.cpp b/platform/javascript/http_client_javascript.cpp new file mode 100644 index 0000000000..0b105dcb40 --- /dev/null +++ b/platform/javascript/http_client_javascript.cpp @@ -0,0 +1,282 @@ +/*************************************************************************/ +/* http_client_javascript.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2017 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 */ +/* "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" +#include "io/http_client.h" + +Error HTTPClient::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) { + + close(); + if (p_ssl && !p_verify_host) { + WARN_PRINT("Disabling HTTPClient's host verification is not supported for the HTML5 platform, host will be verified"); + } + + host = p_host; + if (host.begins_with("http://")) { + host.replace_first("http://", ""); + } else if (host.begins_with("https://")) { + host.replace_first("https://", ""); + } + + status = host.is_valid_ip_address() ? STATUS_CONNECTING : STATUS_RESOLVING; + port = p_port; + use_tls = p_ssl; + return OK; +} + +void HTTPClient::set_connection(const Ref<StreamPeer> &p_connection) { + + ERR_EXPLAIN("Accessing an HTTPClient's StreamPeer is not supported for the HTML5 platform"); + ERR_FAIL(); +} + +Ref<StreamPeer> HTTPClient::get_connection() const { + + ERR_EXPLAIN("Accessing an HTTPClient's StreamPeer is not supported for the HTML5 platform"); + ERR_FAIL_V(REF()); +} + +Error HTTPClient::prepare_request(Method p_method, const String &p_url, const Vector<String> &p_headers) { + + ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER); + ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER); + ERR_FAIL_COND_V(host.empty(), ERR_UNCONFIGURED); + ERR_FAIL_COND_V(port < 0, ERR_UNCONFIGURED); + + static const char *_methods[HTTPClient::METHOD_MAX] = { + "GET", + "HEAD", + "POST", + "PUT", + "DELETE", + "OPTIONS", + "TRACE", + "CONNECT" + }; + + String url = (use_tls ? "https://" : "http://") + host + ":" + itos(port) + "/" + p_url; + godot_xhr_reset(xhr_id); + godot_xhr_open(xhr_id, _methods[p_method], url.utf8().get_data(), + username.empty() ? NULL : username.utf8().get_data(), + password.empty() ? NULL : password.utf8().get_data()); + + for (int i = 0; i < p_headers.size(); i++) { + int header_separator = p_headers[i].find(": "); + ERR_FAIL_COND_V(header_separator < 0, ERR_INVALID_PARAMETER); + godot_xhr_set_request_header(xhr_id, + p_headers[i].left(header_separator).utf8().get_data(), + p_headers[i].right(header_separator + 2).utf8().get_data()); + } + response_read_offset = 0; + status = STATUS_REQUESTING; + return OK; +} + +Error HTTPClient::request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body) { + + Error err = prepare_request(p_method, p_url, p_headers); + if (err != OK) + return err; + PoolByteArray::Read read = p_body.read(); + godot_xhr_send_data(xhr_id, read.ptr(), p_body.size()); + return OK; +} + +Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) { + + Error err = prepare_request(p_method, p_url, p_headers); + if (err != OK) + return err; + godot_xhr_send_string(xhr_id, p_body.utf8().get_data()); + return OK; +} + +void HTTPClient::close() { + + host = ""; + port = -1; + use_tls = false; + status = STATUS_DISCONNECTED; + polled_response.resize(0); + polled_response_code = 0; + polled_response_header = String(); + godot_xhr_reset(xhr_id); +} + +HTTPClient::Status HTTPClient::get_status() const { + + return status; +} + +bool HTTPClient::has_response() const { + + return !polled_response_header.empty(); +} + +bool HTTPClient::is_response_chunked() const { + + // TODO evaluate using moz-chunked-arraybuffer, fetch & ReadableStream + return false; +} + +int HTTPClient::get_response_code() const { + + return polled_response_code; +} + +Error HTTPClient::get_response_headers(List<String> *r_response) { + + if (!polled_response_header.size()) + return ERR_INVALID_PARAMETER; + + Vector<String> header_lines = polled_response_header.split("\r\n", false); + for (int i = 0; i < header_lines.size(); ++i) { + r_response->push_back(header_lines[i]); + } + polled_response_header = String(); + return OK; +} + +int HTTPClient::get_response_body_length() const { + + return polled_response.size(); +} + +PoolByteArray HTTPClient::read_response_body_chunk() { + + ERR_FAIL_COND_V(status != STATUS_BODY, PoolByteArray()); + + int to_read = MIN(read_limit, polled_response.size() - response_read_offset); + PoolByteArray chunk; + chunk.resize(to_read); + PoolByteArray::Write write = chunk.write(); + PoolByteArray::Read read = polled_response.read(); + memcpy(write.ptr(), read.ptr() + response_read_offset, to_read); + write = PoolByteArray::Write(); + read = PoolByteArray::Read(); + response_read_offset += to_read; + + if (response_read_offset == polled_response.size()) { + status = STATUS_CONNECTED; + polled_response.resize(0); + polled_response_code = 0; + polled_response_header = String(); + godot_xhr_reset(xhr_id); + } + + return chunk; +} + +void HTTPClient::set_blocking_mode(bool p_enable) { + + ERR_EXPLAIN("HTTPClient blocking mode is not supported for the HTML5 platform"); + ERR_FAIL_COND(p_enable); +} + +bool HTTPClient::is_blocking_mode_enabled() const { + + return false; +} + +void HTTPClient::set_read_chunk_size(int p_size) { + + read_limit = p_size; +} + +Error HTTPClient::poll() { + + switch (status) { + + case STATUS_DISCONNECTED: + return ERR_UNCONFIGURED; + + case STATUS_RESOLVING: + status = STATUS_CONNECTING; + return OK; + + case STATUS_CONNECTING: + status = STATUS_CONNECTED; + return OK; + + case STATUS_CONNECTED: + case STATUS_BODY: + return OK; + + case STATUS_CONNECTION_ERROR: + return ERR_CONNECTION_ERROR; + + case STATUS_REQUESTING: + polled_response_code = godot_xhr_get_status(xhr_id); + int response_length = godot_xhr_get_response_length(xhr_id); + if (response_length == 0) { + godot_xhr_ready_state_t ready_state = godot_xhr_get_ready_state(xhr_id); + if (ready_state == XHR_READY_STATE_HEADERS_RECEIVED || ready_state == XHR_READY_STATE_LOADING) { + return OK; + } else { + status = STATUS_CONNECTION_ERROR; + return ERR_CONNECTION_ERROR; + } + } + + status = STATUS_BODY; + + PoolByteArray bytes; + int len = godot_xhr_get_response_headers_length(xhr_id); + bytes.resize(len); + PoolByteArray::Write write = bytes.write(); + godot_xhr_get_response_headers(xhr_id, reinterpret_cast<char *>(write.ptr()), len); + write = PoolByteArray::Write(); + + PoolByteArray::Read read = bytes.read(); + polled_response_header = String::utf8(reinterpret_cast<const char *>(read.ptr())); + read = PoolByteArray::Read(); + + polled_response.resize(response_length); + write = polled_response.write(); + godot_xhr_get_response(xhr_id, write.ptr(), response_length); + write = PoolByteArray::Write(); + break; + } + return OK; +} + +HTTPClient::HTTPClient() { + + xhr_id = godot_xhr_new(); + read_limit = 4096; + status = STATUS_DISCONNECTED; + port = -1; + use_tls = false; + polled_response_code = 0; +} + +HTTPClient::~HTTPClient() { + + godot_xhr_free(xhr_id); +} |