summaryrefslogtreecommitdiff
path: root/core/io
diff options
context:
space:
mode:
Diffstat (limited to 'core/io')
-rw-r--r--core/io/http_client.cpp11
-rw-r--r--core/io/http_client.h1
-rw-r--r--core/io/http_client_tcp.cpp90
-rw-r--r--core/io/http_client_tcp.h11
4 files changed, 74 insertions, 39 deletions
diff --git a/core/io/http_client.cpp b/core/io/http_client.cpp
index 4d0747c591..52b1120b2a 100644
--- a/core/io/http_client.cpp
+++ b/core/io/http_client.cpp
@@ -96,6 +96,17 @@ String HTTPClient::query_string_from_dict(const Dictionary &p_dict) {
return query.substr(1);
}
+Error HTTPClient::verify_headers(const Vector<String> &p_headers) {
+ for (int i = 0; i < p_headers.size(); i++) {
+ String sanitized = p_headers[i].strip_edges();
+ ERR_FAIL_COND_V_MSG(sanitized.is_empty(), ERR_INVALID_PARAMETER, "Invalid HTTP header at index " + itos(i) + ": empty.");
+ ERR_FAIL_COND_V_MSG(sanitized.find(":") < 1, ERR_INVALID_PARAMETER,
+ "Invalid HTTP header at index " + itos(i) + ": String must contain header-value pair, delimited by ':', but was: " + p_headers[i]);
+ }
+
+ return OK;
+}
+
Dictionary HTTPClient::_get_response_headers_as_dictionary() {
List<String> rh;
get_response_headers(&rh);
diff --git a/core/io/http_client.h b/core/io/http_client.h
index 90c859d685..de6045f647 100644
--- a/core/io/http_client.h
+++ b/core/io/http_client.h
@@ -165,6 +165,7 @@ public:
static HTTPClient *create();
String query_string_from_dict(const Dictionary &p_dict);
+ Error verify_headers(const Vector<String> &p_headers);
virtual Error request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_size) = 0;
virtual Error connect_to_host(const String &p_host, int p_port = -1, bool p_ssl = false, bool p_verify_host = true) = 0;
diff --git a/core/io/http_client_tcp.cpp b/core/io/http_client_tcp.cpp
index 6e4417e1ff..e61833ce7c 100644
--- a/core/io/http_client_tcp.cpp
+++ b/core/io/http_client_tcp.cpp
@@ -71,7 +71,7 @@ Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, bool p_ss
connection = tcp_connection;
if (ssl && https_proxy_port != -1) {
- proxy_client.instantiate(); // Needs proxy negotiation
+ proxy_client.instantiate(); // Needs proxy negotiation.
server_host = https_proxy_host;
server_port = https_proxy_port;
} else if (!ssl && http_proxy_port != -1) {
@@ -83,7 +83,7 @@ Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, bool p_ss
}
if (server_host.is_valid_ip_address()) {
- // Host contains valid IP
+ // Host contains valid IP.
Error err = tcp_connection->connect_to_host(IPAddress(server_host), server_port);
if (err) {
status = STATUS_CANT_CONNECT;
@@ -92,7 +92,7 @@ Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, bool p_ss
status = STATUS_CONNECTING;
} else {
- // Host contains hostname and needs to be resolved to IP
+ // Host contains hostname and needs to be resolved to IP.
resolving = IP::get_singleton()->resolve_hostname_queue_item(server_host);
status = STATUS_RESOLVING;
}
@@ -124,7 +124,7 @@ Ref<StreamPeer> HTTPClientTCP::get_connection() const {
static bool _check_request_url(HTTPClientTCP::Method p_method, const String &p_url) {
switch (p_method) {
case HTTPClientTCP::METHOD_CONNECT: {
- // Authority in host:port format, as in RFC7231
+ // Authority in host:port format, as in RFC7231.
int pos = p_url.find_char(':');
return 0 < pos && pos < p_url.length() - 1;
}
@@ -135,7 +135,7 @@ static bool _check_request_url(HTTPClientTCP::Method p_method, const String &p_u
[[fallthrough]];
}
default:
- // Absolute path or absolute URL
+ // Absolute path or absolute URL.
return p_url.begins_with("/") || p_url.begins_with("http://") || p_url.begins_with("https://");
}
}
@@ -146,6 +146,11 @@ Error HTTPClientTCP::request(Method p_method, const String &p_url, const Vector<
ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);
+ Error err = verify_headers(p_headers);
+ if (err) {
+ return err;
+ }
+
String uri = p_url;
if (!ssl && http_proxy_port != -1) {
uri = vformat("http://%s:%d%s", conn_host, conn_port, p_url);
@@ -173,7 +178,7 @@ Error HTTPClientTCP::request(Method p_method, const String &p_url, const Vector<
}
if (add_host) {
if ((ssl && conn_port == PORT_HTTPS) || (!ssl && conn_port == PORT_HTTP)) {
- // Don't append the standard ports
+ // Don't append the standard ports.
request += "Host: " + conn_host + "\r\n";
} else {
request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
@@ -192,21 +197,12 @@ Error HTTPClientTCP::request(Method p_method, const String &p_url, const Vector<
request += "\r\n";
CharString cs = request.utf8();
- Vector<uint8_t> data;
- data.resize(cs.length() + p_body_size);
- memcpy(data.ptrw(), cs.get_data(), cs.length());
+ request_buffer->clear();
+ request_buffer->put_data((const uint8_t *)cs.get_data(), cs.length());
if (p_body_size > 0) {
- memcpy(data.ptrw() + cs.length(), p_body, p_body_size);
- }
-
- // TODO Implement non-blocking requests.
- Error err = connection->put_data(data.ptr(), data.size());
-
- if (err) {
- close();
- status = STATUS_CONNECTION_ERROR;
- return err;
+ request_buffer->put_data(p_body, p_body_size);
}
+ request_buffer->seek(0);
status = STATUS_REQUESTING;
head_request = p_method == METHOD_HEAD;
@@ -257,6 +253,7 @@ void HTTPClientTCP::close() {
ip_candidates.clear();
response_headers.clear();
response_str.clear();
+ request_buffer->clear();
body_size = -1;
body_left = 0;
chunk_left = 0;
@@ -274,7 +271,7 @@ Error HTTPClientTCP::poll() {
IP::ResolverStatus rstatus = IP::get_singleton()->get_resolve_item_status(resolving);
switch (rstatus) {
case IP::RESOLVER_STATUS_WAITING:
- return OK; // Still resolving
+ return OK; // Still resolving.
case IP::RESOLVER_STATUS_DONE: {
ip_candidates = IP::get_singleton()->get_resolve_item_addresses(resolving);
@@ -356,7 +353,7 @@ Error HTTPClientTCP::poll() {
} else if (ssl) {
Ref<StreamPeerSSL> ssl;
if (!handshaking) {
- // Connect the StreamPeerSSL and start handshaking
+ // Connect the StreamPeerSSL and start handshaking.
ssl = Ref<StreamPeerSSL>(StreamPeerSSL::create());
ssl->set_blocking_handshake_enabled(false);
Error err = ssl->connect_to_stream(tcp_connection, ssl_verify_host, conn_host);
@@ -368,7 +365,7 @@ Error HTTPClientTCP::poll() {
connection = ssl;
handshaking = true;
} else {
- // We are already handshaking, which means we can use your already active SSL connection
+ // We are already handshaking, which means we can use your already active SSL connection.
ssl = static_cast<Ref<StreamPeerSSL>>(connection);
if (ssl.is_null()) {
close();
@@ -376,22 +373,22 @@ Error HTTPClientTCP::poll() {
return ERR_CANT_CONNECT;
}
- ssl->poll(); // Try to finish the handshake
+ ssl->poll(); // Try to finish the handshake.
}
if (ssl->get_status() == StreamPeerSSL::STATUS_CONNECTED) {
- // Handshake has been successful
+ // Handshake has been successful.
handshaking = false;
ip_candidates.clear();
status = STATUS_CONNECTED;
return OK;
} else if (ssl->get_status() != StreamPeerSSL::STATUS_HANDSHAKING) {
- // Handshake has failed
+ // Handshake has failed.
close();
status = STATUS_SSL_HANDSHAKE_ERROR;
return ERR_CANT_CONNECT;
}
- // ... we will need to poll more for handshake to finish
+ // ... we will need to poll more for handshake to finish.
} else {
ip_candidates.clear();
status = STATUS_CONNECTED;
@@ -416,7 +413,7 @@ Error HTTPClientTCP::poll() {
} break;
case STATUS_BODY:
case STATUS_CONNECTED: {
- // Check if we are still connected
+ // Check if we are still connected.
if (ssl) {
Ref<StreamPeerSSL> tmp = connection;
tmp->poll();
@@ -428,10 +425,34 @@ Error HTTPClientTCP::poll() {
status = STATUS_CONNECTION_ERROR;
return ERR_CONNECTION_ERROR;
}
- // Connection established, requests can now be made
+ // Connection established, requests can now be made.
return OK;
} break;
case STATUS_REQUESTING: {
+ if (request_buffer->get_available_bytes()) {
+ int avail = request_buffer->get_available_bytes();
+ int pos = request_buffer->get_position();
+ const Vector<uint8_t> data = request_buffer->get_data_array();
+ int wrote = 0;
+ Error err;
+ if (blocking) {
+ err = connection->put_data(data.ptr() + pos, avail);
+ wrote += avail;
+ } else {
+ err = connection->put_partial_data(data.ptr() + pos, avail, wrote);
+ }
+ if (err != OK) {
+ close();
+ status = STATUS_CONNECTION_ERROR;
+ return ERR_CONNECTION_ERROR;
+ }
+ pos += wrote;
+ request_buffer->seek(pos);
+ if (avail - wrote > 0) {
+ return OK;
+ }
+ request_buffer->clear();
+ }
while (true) {
uint8_t byte;
int rec = 0;
@@ -547,7 +568,7 @@ PackedByteArray HTTPClientTCP::read_response_body_chunk() {
if (chunked) {
while (true) {
if (chunk_trailer_part) {
- // We need to consume the trailer part too or keep-alive will break
+ // We need to consume the trailer part too or keep-alive will break.
uint8_t b;
int rec = 0;
err = _get_http_data(&b, 1, rec);
@@ -560,18 +581,18 @@ PackedByteArray HTTPClientTCP::read_response_body_chunk() {
int cs = chunk.size();
if ((cs >= 2 && chunk[cs - 2] == '\r' && chunk[cs - 1] == '\n')) {
if (cs == 2) {
- // Finally over
+ // Finally over.
chunk_trailer_part = false;
status = STATUS_CONNECTED;
chunk.clear();
break;
} else {
- // We do not process nor return the trailer data
+ // We do not process nor return the trailer data.
chunk.clear();
}
}
} else if (chunk_left == 0) {
- // Reading length
+ // Reading length.
uint8_t b;
int rec = 0;
err = _get_http_data(&b, 1, rec);
@@ -658,7 +679,7 @@ PackedByteArray HTTPClientTCP::read_response_body_chunk() {
uint8_t *w = ret.ptrw();
err = _get_http_data(w + _offset, to_read, rec);
}
- if (rec <= 0) { // Ended up reading less
+ if (rec <= 0) { // Ended up reading less.
ret.resize(_offset);
break;
} else {
@@ -679,7 +700,7 @@ PackedByteArray HTTPClientTCP::read_response_body_chunk() {
close();
if (err == ERR_FILE_EOF) {
- status = STATUS_DISCONNECTED; // Server disconnected
+ status = STATUS_DISCONNECTED; // Server disconnected.
} else {
status = STATUS_CONNECTION_ERROR;
}
@@ -759,6 +780,7 @@ void HTTPClientTCP::set_https_proxy(const String &p_host, int p_port) {
HTTPClientTCP::HTTPClientTCP() {
tcp_connection.instantiate();
+ request_buffer.instantiate();
}
HTTPClient *(*HTTPClient::_create)() = HTTPClientTCP::_create_func;
diff --git a/core/io/http_client_tcp.h b/core/io/http_client_tcp.h
index 3fe8e2c0df..c10e0b1eca 100644
--- a/core/io/http_client_tcp.h
+++ b/core/io/http_client_tcp.h
@@ -38,13 +38,13 @@ private:
Status status = STATUS_DISCONNECTED;
IP::ResolverID resolving = IP::RESOLVER_INVALID_ID;
Array ip_candidates;
- int conn_port = -1; // Server to make requests to
+ int conn_port = -1; // Server to make requests to.
String conn_host;
- int server_port = -1; // Server to connect to (might be a proxy server)
+ int server_port = -1; // Server to connect to (might be a proxy server).
String server_host;
- int http_proxy_port = -1; // Proxy server for http requests
+ int http_proxy_port = -1; // Proxy server for http requests.
String http_proxy_host;
- int https_proxy_port = -1; // Proxy server for https requests
+ int https_proxy_port = -1; // Proxy server for https requests.
String https_proxy_host;
bool ssl = false;
bool ssl_verify_host = false;
@@ -62,9 +62,10 @@ private:
int64_t body_left = 0;
bool read_until_eof = false;
+ Ref<StreamPeerBuffer> request_buffer;
Ref<StreamPeerTCP> tcp_connection;
Ref<StreamPeer> connection;
- Ref<HTTPClientTCP> proxy_client; // Negotiate with proxy server
+ Ref<HTTPClientTCP> proxy_client; // Negotiate with proxy server.
int response_num = 0;
Vector<String> response_headers;