222 lines
7.0 KiB
C++
222 lines
7.0 KiB
C++
/**
|
|
* HTTPClient.h
|
|
*
|
|
* Created on: 02.11.2015
|
|
*
|
|
* Copyright (c) 2015 Markus Sattler. All rights reserved.
|
|
* This file is part of the HTTPClient for Arduino.
|
|
* Port to ESP32 by Evandro Luis Copercini (2017),
|
|
* changed fingerprints to CA verification.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifndef HTTPClient_H_
|
|
#define HTTPClient_H_
|
|
|
|
#include <memory>
|
|
#include <Arduino.h>
|
|
#include <WiFiClient.h>
|
|
#include <WiFiClientSecure.h>
|
|
|
|
#define HTTPCLIENT_DEFAULT_TCP_TIMEOUT (5000)
|
|
|
|
/// HTTP client errors
|
|
#define HTTPC_ERROR_CONNECTION_REFUSED (-1)
|
|
#define HTTPC_ERROR_SEND_HEADER_FAILED (-2)
|
|
#define HTTPC_ERROR_SEND_PAYLOAD_FAILED (-3)
|
|
#define HTTPC_ERROR_NOT_CONNECTED (-4)
|
|
#define HTTPC_ERROR_CONNECTION_LOST (-5)
|
|
#define HTTPC_ERROR_NO_STREAM (-6)
|
|
#define HTTPC_ERROR_NO_HTTP_SERVER (-7)
|
|
#define HTTPC_ERROR_TOO_LESS_RAM (-8)
|
|
#define HTTPC_ERROR_ENCODING (-9)
|
|
#define HTTPC_ERROR_STREAM_WRITE (-10)
|
|
#define HTTPC_ERROR_READ_TIMEOUT (-11)
|
|
|
|
/// size for the stream handling
|
|
#define HTTP_TCP_BUFFER_SIZE (1460)
|
|
|
|
/// HTTP codes see RFC7231
|
|
typedef enum {
|
|
HTTP_CODE_CONTINUE = 100,
|
|
HTTP_CODE_SWITCHING_PROTOCOLS = 101,
|
|
HTTP_CODE_PROCESSING = 102,
|
|
HTTP_CODE_OK = 200,
|
|
HTTP_CODE_CREATED = 201,
|
|
HTTP_CODE_ACCEPTED = 202,
|
|
HTTP_CODE_NON_AUTHORITATIVE_INFORMATION = 203,
|
|
HTTP_CODE_NO_CONTENT = 204,
|
|
HTTP_CODE_RESET_CONTENT = 205,
|
|
HTTP_CODE_PARTIAL_CONTENT = 206,
|
|
HTTP_CODE_MULTI_STATUS = 207,
|
|
HTTP_CODE_ALREADY_REPORTED = 208,
|
|
HTTP_CODE_IM_USED = 226,
|
|
HTTP_CODE_MULTIPLE_CHOICES = 300,
|
|
HTTP_CODE_MOVED_PERMANENTLY = 301,
|
|
HTTP_CODE_FOUND = 302,
|
|
HTTP_CODE_SEE_OTHER = 303,
|
|
HTTP_CODE_NOT_MODIFIED = 304,
|
|
HTTP_CODE_USE_PROXY = 305,
|
|
HTTP_CODE_TEMPORARY_REDIRECT = 307,
|
|
HTTP_CODE_PERMANENT_REDIRECT = 308,
|
|
HTTP_CODE_BAD_REQUEST = 400,
|
|
HTTP_CODE_UNAUTHORIZED = 401,
|
|
HTTP_CODE_PAYMENT_REQUIRED = 402,
|
|
HTTP_CODE_FORBIDDEN = 403,
|
|
HTTP_CODE_NOT_FOUND = 404,
|
|
HTTP_CODE_METHOD_NOT_ALLOWED = 405,
|
|
HTTP_CODE_NOT_ACCEPTABLE = 406,
|
|
HTTP_CODE_PROXY_AUTHENTICATION_REQUIRED = 407,
|
|
HTTP_CODE_REQUEST_TIMEOUT = 408,
|
|
HTTP_CODE_CONFLICT = 409,
|
|
HTTP_CODE_GONE = 410,
|
|
HTTP_CODE_LENGTH_REQUIRED = 411,
|
|
HTTP_CODE_PRECONDITION_FAILED = 412,
|
|
HTTP_CODE_PAYLOAD_TOO_LARGE = 413,
|
|
HTTP_CODE_URI_TOO_LONG = 414,
|
|
HTTP_CODE_UNSUPPORTED_MEDIA_TYPE = 415,
|
|
HTTP_CODE_RANGE_NOT_SATISFIABLE = 416,
|
|
HTTP_CODE_EXPECTATION_FAILED = 417,
|
|
HTTP_CODE_MISDIRECTED_REQUEST = 421,
|
|
HTTP_CODE_UNPROCESSABLE_ENTITY = 422,
|
|
HTTP_CODE_LOCKED = 423,
|
|
HTTP_CODE_FAILED_DEPENDENCY = 424,
|
|
HTTP_CODE_UPGRADE_REQUIRED = 426,
|
|
HTTP_CODE_PRECONDITION_REQUIRED = 428,
|
|
HTTP_CODE_TOO_MANY_REQUESTS = 429,
|
|
HTTP_CODE_REQUEST_HEADER_FIELDS_TOO_LARGE = 431,
|
|
HTTP_CODE_INTERNAL_SERVER_ERROR = 500,
|
|
HTTP_CODE_NOT_IMPLEMENTED = 501,
|
|
HTTP_CODE_BAD_GATEWAY = 502,
|
|
HTTP_CODE_SERVICE_UNAVAILABLE = 503,
|
|
HTTP_CODE_GATEWAY_TIMEOUT = 504,
|
|
HTTP_CODE_HTTP_VERSION_NOT_SUPPORTED = 505,
|
|
HTTP_CODE_VARIANT_ALSO_NEGOTIATES = 506,
|
|
HTTP_CODE_INSUFFICIENT_STORAGE = 507,
|
|
HTTP_CODE_LOOP_DETECTED = 508,
|
|
HTTP_CODE_NOT_EXTENDED = 510,
|
|
HTTP_CODE_NETWORK_AUTHENTICATION_REQUIRED = 511
|
|
} t_http_codes;
|
|
|
|
typedef enum {
|
|
HTTPC_TE_IDENTITY,
|
|
HTTPC_TE_CHUNKED
|
|
} transferEncoding_t;
|
|
|
|
class TransportTraits;
|
|
typedef std::unique_ptr<TransportTraits> TransportTraitsPtr;
|
|
|
|
class HTTPClient
|
|
{
|
|
public:
|
|
HTTPClient();
|
|
~HTTPClient();
|
|
|
|
bool begin(String url);
|
|
bool begin(String url, const char* CAcert);
|
|
bool begin(String host, uint16_t port, String uri = "/");
|
|
bool begin(String host, uint16_t port, String uri, const char* CAcert);
|
|
bool begin(String host, uint16_t port, String uri, const char* CAcert, const char* cli_cert, const char* cli_key);
|
|
|
|
void end(void);
|
|
|
|
bool connected(void);
|
|
|
|
void setReuse(bool reuse); /// keep-alive
|
|
void setUserAgent(const String& userAgent);
|
|
void setAuthorization(const char * user, const char * password);
|
|
void setAuthorization(const char * auth);
|
|
void setTimeout(uint16_t timeout);
|
|
|
|
void useHTTP10(bool usehttp10 = true);
|
|
|
|
/// request handling
|
|
int GET();
|
|
int POST(uint8_t * payload, size_t size);
|
|
int POST(String payload);
|
|
int PUT(uint8_t * payload, size_t size);
|
|
int PUT(String payload);
|
|
int sendRequest(const char * type, String payload);
|
|
int sendRequest(const char * type, uint8_t * payload = NULL, size_t size = 0);
|
|
int sendRequest(const char * type, Stream * stream, size_t size = 0);
|
|
|
|
void addHeader(const String& name, const String& value, bool first = false, bool replace = true);
|
|
|
|
/// Response handling
|
|
void collectHeaders(const char* headerKeys[], const size_t headerKeysCount);
|
|
String header(const char* name); // get request header value by name
|
|
String header(size_t i); // get request header value by number
|
|
String headerName(size_t i); // get request header name by number
|
|
int headers(); // get header count
|
|
bool hasHeader(const char* name); // check if header exists
|
|
|
|
|
|
int getSize(void);
|
|
|
|
WiFiClient& getStream(void);
|
|
WiFiClient* getStreamPtr(void);
|
|
int writeToStream(Stream* stream);
|
|
String getString(void);
|
|
|
|
static String errorToString(int error);
|
|
|
|
protected:
|
|
struct RequestArgument {
|
|
String key;
|
|
String value;
|
|
};
|
|
|
|
bool beginInternal(String url, const char* expectedProtocol);
|
|
void clear();
|
|
int returnError(int error);
|
|
bool connect(void);
|
|
bool sendHeader(const char * type);
|
|
int handleHeaderResponse();
|
|
int writeToStreamDataBlock(Stream * stream, int len);
|
|
|
|
|
|
TransportTraitsPtr _transportTraits;
|
|
std::unique_ptr<WiFiClient> _tcp;
|
|
|
|
/// request handling
|
|
String _host;
|
|
uint16_t _port = 0;
|
|
bool _reuse = false;
|
|
uint16_t _tcpTimeout = HTTPCLIENT_DEFAULT_TCP_TIMEOUT;
|
|
bool _useHTTP10 = false;
|
|
bool _secure = false;
|
|
|
|
String _uri;
|
|
String _protocol;
|
|
String _headers;
|
|
String _userAgent = "ESP32HTTPClient";
|
|
String _base64Authorization;
|
|
|
|
/// Response handling
|
|
RequestArgument* _currentHeaders = nullptr;
|
|
size_t _headerKeysCount = 0;
|
|
|
|
int _returnCode = 0;
|
|
int _size = -1;
|
|
bool _canReuse = false;
|
|
transferEncoding_t _transferEncoding = HTTPC_TE_IDENTITY;
|
|
};
|
|
|
|
|
|
|
|
#endif /* HTTPClient_H_ */
|