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201 lines
6.4 KiB
C++
201 lines
6.4 KiB
C++
/**
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* ESP8266HTTPClient.h
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*
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* Created on: 02.11.2015
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*
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* Copyright (c) 2015 Markus Sattler. All rights reserved.
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* This file is part of the ESP8266HTTPClient for Arduino.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef ESP8266HTTPClient_H_
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#define ESP8266HTTPClient_H_
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//#define DEBUG_HTTPCLIENT(...) Serial1.printf( __VA_ARGS__ )
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#ifndef DEBUG_HTTPCLIENT
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#define DEBUG_HTTPCLIENT(...)
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#endif
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#define HTTPCLIENT_DEFAULT_TCP_TIMEOUT (1000)
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/// HTTP client errors
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#define HTTPC_ERROR_CONNECTION_REFUSED (-1)
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#define HTTPC_ERROR_SEND_HEADER_FAILED (-2)
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#define HTTPC_ERROR_SEND_PAYLOAD_FAILED (-3)
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#define HTTPC_ERROR_NOT_CONNECTED (-4)
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#define HTTPC_ERROR_CONNECTION_LOST (-5)
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#define HTTPC_ERROR_NO_STREAM (-6)
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#define HTTPC_ERROR_NO_HTTP_SERVER (-7)
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#define HTTPC_ERROR_TOO_LESS_RAM (-8)
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/// size for the stream handling
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#define HTTP_TCP_BUFFER_SIZE (1460)
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/// HTTP codes see RFC7231
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typedef enum {
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HTTP_CODE_CONTINUE = 100,
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HTTP_CODE_SWITCHING_PROTOCOLS = 101,
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HTTP_CODE_PROCESSING = 102,
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HTTP_CODE_OK = 200,
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HTTP_CODE_CREATED = 201,
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HTTP_CODE_ACCEPTED = 202,
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HTTP_CODE_NON_AUTHORITATIVE_INFORMATION = 203,
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HTTP_CODE_NO_CONTENT = 204,
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HTTP_CODE_RESET_CONTENT = 205,
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HTTP_CODE_PARTIAL_CONTENT = 206,
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HTTP_CODE_MULTI_STATUS = 207,
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HTTP_CODE_ALREADY_REPORTED = 208,
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HTTP_CODE_IM_USED = 226,
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HTTP_CODE_MULTIPLE_CHOICES = 300,
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HTTP_CODE_MOVED_PERMANENTLY = 301,
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HTTP_CODE_FOUND = 302,
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HTTP_CODE_SEE_OTHER = 303,
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HTTP_CODE_NOT_MODIFIED = 304,
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HTTP_CODE_USE_PROXY = 305,
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HTTP_CODE_TEMPORARY_REDIRECT = 307,
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HTTP_CODE_PERMANENT_REDIRECT = 308,
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HTTP_CODE_BAD_REQUEST = 400,
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HTTP_CODE_UNAUTHORIZED = 401,
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HTTP_CODE_PAYMENT_REQUIRED = 402,
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HTTP_CODE_FORBIDDEN = 403,
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HTTP_CODE_NOT_FOUND = 404,
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HTTP_CODE_METHOD_NOT_ALLOWED = 405,
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HTTP_CODE_NOT_ACCEPTABLE = 406,
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HTTP_CODE_PROXY_AUTHENTICATION_REQUIRED = 407,
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HTTP_CODE_REQUEST_TIMEOUT = 408,
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HTTP_CODE_CONFLICT = 409,
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HTTP_CODE_GONE = 410,
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HTTP_CODE_LENGTH_REQUIRED = 411,
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HTTP_CODE_PRECONDITION_FAILED = 412,
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HTTP_CODE_PAYLOAD_TOO_LARGE = 413,
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HTTP_CODE_URI_TOO_LONG = 414,
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HTTP_CODE_UNSUPPORTED_MEDIA_TYPE = 415,
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HTTP_CODE_RANGE_NOT_SATISFIABLE = 416,
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HTTP_CODE_EXPECTATION_FAILED = 417,
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HTTP_CODE_MISDIRECTED_REQUEST = 421,
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HTTP_CODE_UNPROCESSABLE_ENTITY = 422,
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HTTP_CODE_LOCKED = 423,
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HTTP_CODE_FAILED_DEPENDENCY = 424,
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HTTP_CODE_UPGRADE_REQUIRED = 426,
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HTTP_CODE_PRECONDITION_REQUIRED = 428,
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HTTP_CODE_TOO_MANY_REQUESTS = 429,
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HTTP_CODE_REQUEST_HEADER_FIELDS_TOO_LARGE = 431,
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HTTP_CODE_INTERNAL_SERVER_ERROR = 500,
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HTTP_CODE_NOT_IMPLEMENTED = 501,
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HTTP_CODE_BAD_GATEWAY = 502,
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HTTP_CODE_SERVICE_UNAVAILABLE = 503,
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HTTP_CODE_GATEWAY_TIMEOUT = 504,
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HTTP_CODE_HTTP_VERSION_NOT_SUPPORTED = 505,
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HTTP_CODE_VARIANT_ALSO_NEGOTIATES = 506,
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HTTP_CODE_INSUFFICIENT_STORAGE = 507,
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HTTP_CODE_LOOP_DETECTED = 508,
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HTTP_CODE_NOT_EXTENDED = 510,
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HTTP_CODE_NETWORK_AUTHENTICATION_REQUIRED = 511
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} t_http_codes;
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class HTTPClient {
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public:
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HTTPClient();
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~HTTPClient();
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void begin(const char *url, const char * httpsFingerprint = "");
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void begin(String url, String httpsFingerprint = "");
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void begin(const char *host, uint16_t port, const char * url = "/", bool https = false, const char * httpsFingerprint = "");
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void begin(String host, uint16_t port, String url = "/", bool https = false, String httpsFingerprint = "");
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void end(void);
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bool connected(void);
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void setReuse(bool reuse); /// keep-alive
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void setUserAgent(const char * userAgent);
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void setAuthorization(const char * user, const char * password);
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void setAuthorization(const char * auth);
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void setTimeout(uint16_t timeout);
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/// request handling
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int GET();
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int POST(uint8_t * payload, size_t size);
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int POST(String payload);
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int sendRequest(const char * type, uint8_t * payload = NULL, size_t size = 0);
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int sendRequest(const char * type, Stream * stream, size_t size = 0);
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void addHeader(const String& name, const String& value, bool first = false);
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/// Response handling
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void collectHeaders(const char* headerKeys[], const size_t headerKeysCount);
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String header(const char* name); // get request header value by name
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String header(size_t i); // get request header value by number
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String headerName(size_t i); // get request header name by number
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int headers(); // get header count
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bool hasHeader(const char* name); // check if header exists
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int getSize(void);
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WiFiClient & getStream(void) __attribute__ ((deprecated)) ;
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WiFiClient * getStreamPtr(void);
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int writeToStream(Stream * stream);
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String getString(void);
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static String errorToString(int error);
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protected:
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struct RequestArgument {
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String key;
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String value;
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};
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WiFiClient * _tcp;
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WiFiClientSecure * _tcps;
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/// request handling
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String _host;
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uint16_t _port;
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bool _reuse;
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uint16_t _tcpTimeout;
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String _url;
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bool _https;
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String _httpsFingerprint;
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String _Headers;
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String _userAgent;
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String _base64Authorization;
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/// Response handling
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RequestArgument* _currentHeaders;
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size_t _headerKeysCount;
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int _returnCode;
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int _size;
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bool _canReuse;
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bool connect(void);
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bool sendHeader(const char * type);
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int handleHeaderResponse();
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};
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#endif /* ESP8266HTTPClient_H_ */
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