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This commit is contained in:
Jérôme Delacotte
2025-03-06 11:15:32 +01:00
commit 7b30d6e298
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12
libraries/ArduinoHttpClient/src/ArduinoHttpClient.h Normal file
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// Library to simplify HTTP fetching on Arduino
// (c) Copyright Arduino. 2016
// Released under Apache License, version 2.0
#ifndef ArduinoHttpClient_h
#define ArduinoHttpClient_h
#include "HttpClient.h"
#include "WebSocketClient.h"
#include "URLEncoder.h"
#endif

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libraries/ArduinoHttpClient/src/HttpClient.cpp Normal file
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// Class to simplify HTTP fetching on Arduino
// (c) Copyright 2010-2011 MCQN Ltd
// Released under Apache License, version 2.0
#include "HttpClient.h"
#include "b64.h"
// Initialize constants
const char* HttpClient::kUserAgent = "Arduino/2.2.0";
const char* HttpClient::kContentLengthPrefix = HTTP_HEADER_CONTENT_LENGTH ": ";
const char* HttpClient::kTransferEncodingChunked = HTTP_HEADER_TRANSFER_ENCODING ": " HTTP_HEADER_VALUE_CHUNKED;
HttpClient::HttpClient(Client& aClient, const char* aServerName, uint16_t aServerPort)
: iClient(&aClient), iServerName(aServerName), iServerAddress(), iServerPort(aServerPort),
iConnectionClose(true), iSendDefaultRequestHeaders(true)
{
resetState();
}
HttpClient::HttpClient(Client& aClient, const String& aServerName, uint16_t aServerPort)
: HttpClient(aClient, aServerName.c_str(), aServerPort)
{
}
HttpClient::HttpClient(Client& aClient, const IPAddress& aServerAddress, uint16_t aServerPort)
: iClient(&aClient), iServerName(NULL), iServerAddress(aServerAddress), iServerPort(aServerPort),
iConnectionClose(true), iSendDefaultRequestHeaders(true)
{
resetState();
}
void HttpClient::resetState()
{
iState = eIdle;
iStatusCode = 0;
iContentLength = kNoContentLengthHeader;
iBodyLengthConsumed = 0;
iContentLengthPtr = kContentLengthPrefix;
iTransferEncodingChunkedPtr = kTransferEncodingChunked;
iIsChunked = false;
iChunkLength = 0;
iHttpResponseTimeout = kHttpResponseTimeout;
iHttpWaitForDataDelay = kHttpWaitForDataDelay;
}
void HttpClient::stop()
{
iClient->stop();
resetState();
}
void HttpClient::connectionKeepAlive()
{
iConnectionClose = false;
}
void HttpClient::noDefaultRequestHeaders()
{
iSendDefaultRequestHeaders = false;
}
void HttpClient::beginRequest()
{
iState = eRequestStarted;
}
int HttpClient::startRequest(const char* aURLPath, const char* aHttpMethod,
const char* aContentType, int aContentLength, const byte aBody[])
{
if (iState == eReadingBody || iState == eReadingChunkLength || iState == eReadingBodyChunk)
{
flushClientRx();
resetState();
}
tHttpState initialState = iState;
if ((eIdle != iState) && (eRequestStarted != iState))
{
return HTTP_ERROR_API;
}
if (iConnectionClose || !iClient->connected())
{
if (iServerName)
{
if (!(iClient->connect(iServerName, iServerPort) > 0))
{
#ifdef LOGGING
Serial.println("Connection failed");
#endif
return HTTP_ERROR_CONNECTION_FAILED;
}
}
else
{
if (!(iClient->connect(iServerAddress, iServerPort) > 0))
{
#ifdef LOGGING
Serial.println("Connection failed");
#endif
return HTTP_ERROR_CONNECTION_FAILED;
}
}
}
else
{
#ifdef LOGGING
Serial.println("Connection already open");
#endif
}
// Now we're connected, send the first part of the request
int ret = sendInitialHeaders(aURLPath, aHttpMethod);
if (HTTP_SUCCESS == ret)
{
if (aContentType)
{
sendHeader(HTTP_HEADER_CONTENT_TYPE, aContentType);
}
if (aContentLength > 0)
{
sendHeader(HTTP_HEADER_CONTENT_LENGTH, aContentLength);
}
bool hasBody = (aBody && aContentLength > 0);
if (initialState == eIdle || hasBody)
{
// This was a simple version of the API, so terminate the headers now
finishHeaders();
}
// else we'll call it in endRequest or in the first call to print, etc.
if (hasBody)
{
write(aBody, aContentLength);
}
}
return ret;
}
int HttpClient::sendInitialHeaders(const char* aURLPath, const char* aHttpMethod)
{
#ifdef LOGGING
Serial.println("Connected");
#endif
// Send the HTTP command, i.e. "GET /somepath/ HTTP/1.0"
iClient->print(aHttpMethod);
iClient->print(" ");
iClient->print(aURLPath);
iClient->println(" HTTP/1.1");
if (iSendDefaultRequestHeaders)
{
// The host header, if required
if (iServerName)
{
iClient->print("Host: ");
iClient->print(iServerName);
if (iServerPort != kHttpPort && iServerPort != kHttpsPort)
{
iClient->print(":");
iClient->print(iServerPort);
}
iClient->println();
}
// And user-agent string
sendHeader(HTTP_HEADER_USER_AGENT, kUserAgent);
}
if (iConnectionClose)
{
// Tell the server to
// close this connection after we're done
sendHeader(HTTP_HEADER_CONNECTION, "close");
}
// Everything has gone well
iState = eRequestStarted;
return HTTP_SUCCESS;
}
void HttpClient::sendHeader(const char* aHeader)
{
iClient->println(aHeader);
}
void HttpClient::sendHeader(const char* aHeaderName, const char* aHeaderValue)
{
iClient->print(aHeaderName);
iClient->print(": ");
iClient->println(aHeaderValue);
}
void HttpClient::sendHeader(const char* aHeaderName, const int aHeaderValue)
{
iClient->print(aHeaderName);
iClient->print(": ");
iClient->println(aHeaderValue);
}
void HttpClient::sendBasicAuth(const char* aUser, const char* aPassword)
{
// Send the initial part of this header line
iClient->print("Authorization: Basic ");
// Now Base64 encode "aUser:aPassword" and send that
// This seems trickier than it should be but it's mostly to avoid either
// (a) some arbitrarily sized buffer which hopes to be big enough, or
// (b) allocating and freeing memory
// ...so we'll loop through 3 bytes at a time, outputting the results as we
// go.
// In Base64, each 3 bytes of unencoded data become 4 bytes of encoded data
unsigned char input[3];
unsigned char output[5]; // Leave space for a '\0' terminator so we can easily print
int userLen = strlen(aUser);
int passwordLen = strlen(aPassword);
int inputOffset = 0;
for (int i = 0; i < (userLen+1+passwordLen); i++)
{
// Copy the relevant input byte into the input
if (i < userLen)
{
input[inputOffset++] = aUser[i];
}
else if (i == userLen)
{
input[inputOffset++] = ':';
}
else
{
input[inputOffset++] = aPassword[i-(userLen+1)];
}
// See if we've got a chunk to encode
if ( (inputOffset == 3) || (i == userLen+passwordLen) )
{
// We've either got to a 3-byte boundary, or we've reached then end
b64_encode(input, inputOffset, output, 4);
// NUL-terminate the output string
output[4] = '\0';
// And write it out
iClient->print((char*)output);
// FIXME We might want to fill output with '=' characters if b64_encode doesn't
// FIXME do it for us when we're encoding the final chunk
inputOffset = 0;
}
}
// And end the header we've sent
iClient->println();
}
void HttpClient::finishHeaders()
{
iClient->println();
iState = eRequestSent;
}
void HttpClient::flushClientRx()
{
while (iClient->available())
{
iClient->read();
}
}
void HttpClient::endRequest()
{
beginBody();
}
void HttpClient::beginBody()
{
if (iState < eRequestSent)
{
// We still need to finish off the headers
finishHeaders();
}
// else the end of headers has already been sent, so nothing to do here
}
int HttpClient::get(const char* aURLPath)
{
return startRequest(aURLPath, HTTP_METHOD_GET);
}
int HttpClient::get(const String& aURLPath)
{
return get(aURLPath.c_str());
}
int HttpClient::post(const char* aURLPath)
{
return startRequest(aURLPath, HTTP_METHOD_POST);
}
int HttpClient::post(const String& aURLPath)
{
return post(aURLPath.c_str());
}
int HttpClient::post(const char* aURLPath, const char* aContentType, const char* aBody)
{
return post(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
}
int HttpClient::post(const String& aURLPath, const String& aContentType, const String& aBody)
{
return post(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
}
int HttpClient::post(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
{
return startRequest(aURLPath, HTTP_METHOD_POST, aContentType, aContentLength, aBody);
}
int HttpClient::put(const char* aURLPath)
{
return startRequest(aURLPath, HTTP_METHOD_PUT);
}
int HttpClient::put(const String& aURLPath)
{
return put(aURLPath.c_str());
}
int HttpClient::put(const char* aURLPath, const char* aContentType, const char* aBody)
{
return put(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
}
int HttpClient::put(const String& aURLPath, const String& aContentType, const String& aBody)
{
return put(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
}
int HttpClient::put(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
{
return startRequest(aURLPath, HTTP_METHOD_PUT, aContentType, aContentLength, aBody);
}
int HttpClient::patch(const char* aURLPath)
{
return startRequest(aURLPath, HTTP_METHOD_PATCH);
}
int HttpClient::patch(const String& aURLPath)
{
return patch(aURLPath.c_str());
}
int HttpClient::patch(const char* aURLPath, const char* aContentType, const char* aBody)
{
return patch(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
}
int HttpClient::patch(const String& aURLPath, const String& aContentType, const String& aBody)
{
return patch(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
}
int HttpClient::patch(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
{
return startRequest(aURLPath, HTTP_METHOD_PATCH, aContentType, aContentLength, aBody);
}
int HttpClient::del(const char* aURLPath)
{
return startRequest(aURLPath, HTTP_METHOD_DELETE);
}
int HttpClient::del(const String& aURLPath)
{
return del(aURLPath.c_str());
}
int HttpClient::del(const char* aURLPath, const char* aContentType, const char* aBody)
{
return del(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
}
int HttpClient::del(const String& aURLPath, const String& aContentType, const String& aBody)
{
return del(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
}
int HttpClient::del(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
{
return startRequest(aURLPath, HTTP_METHOD_DELETE, aContentType, aContentLength, aBody);
}
int HttpClient::responseStatusCode()
{
if (iState < eRequestSent)
{
return HTTP_ERROR_API;
}
// The first line will be of the form Status-Line:
// HTTP-Version SP Status-Code SP Reason-Phrase CRLF
// Where HTTP-Version is of the form:
// HTTP-Version = "HTTP" "/" 1*DIGIT "." 1*DIGIT
int c = '\0';
do
{
// Make sure the status code is reset, and likewise the state. This
// lets us easily cope with 1xx informational responses by just
// ignoring them really, and reading the next line for a proper response
iStatusCode = 0;
iState = eRequestSent;
unsigned long timeoutStart = millis();
// Psuedo-regexp we're expecting before the status-code
const char* statusPrefix = "HTTP/*.* ";
const char* statusPtr = statusPrefix;
// Whilst we haven't timed out & haven't reached the end of the headers
while ((c != '\n') &&
( (millis() - timeoutStart) < iHttpResponseTimeout ))
{
if (available())
{
c = HttpClient::read();
if (c != -1)
{
switch(iState)
{
case eRequestSent:
// We haven't reached the status code yet
if ( (*statusPtr == '*') || (*statusPtr == c) )
{
// This character matches, just move along
statusPtr++;
if (*statusPtr == '\0')
{
// We've reached the end of the prefix
iState = eReadingStatusCode;
}
}
else
{
return HTTP_ERROR_INVALID_RESPONSE;
}
break;
case eReadingStatusCode:
if (isdigit(c))
{
// This assumes we won't get more than the 3 digits we
// want
iStatusCode = iStatusCode*10 + (c - '0');
}
else
{
// We've reached the end of the status code
// We could sanity check it here or double-check for ' '
// rather than anything else, but let's be lenient
iState = eStatusCodeRead;
}
break;
case eStatusCodeRead:
// We're just waiting for the end of the line now
break;
default:
break;
};
// We read something, reset the timeout counter
timeoutStart = millis();
}
}
else
{
// We haven't got any data, so let's pause to allow some to
// arrive
delay(iHttpWaitForDataDelay);
}
}
if ( (c == '\n') && (iStatusCode < 200 && iStatusCode != 101) )
{
// We've reached the end of an informational status line
c = '\0'; // Clear c so we'll go back into the data reading loop
}
}
// If we've read a status code successfully but it's informational (1xx)
// loop back to the start
while ( (iState == eStatusCodeRead) && (iStatusCode < 200 && iStatusCode != 101) );
if ( (c == '\n') && (iState == eStatusCodeRead) )
{
// We've read the status-line successfully
return iStatusCode;
}
else if (c != '\n')
{
// We must've timed out before we reached the end of the line
return HTTP_ERROR_TIMED_OUT;
}
else
{
// This wasn't a properly formed status line, or at least not one we
// could understand
return HTTP_ERROR_INVALID_RESPONSE;
}
}
int HttpClient::skipResponseHeaders()
{
// Just keep reading until we finish reading the headers or time out
unsigned long timeoutStart = millis();
// Whilst we haven't timed out & haven't reached the end of the headers
while ((!endOfHeadersReached()) &&
( (millis() - timeoutStart) < iHttpResponseTimeout ))
{
if (available())
{
(void)readHeader();
// We read something, reset the timeout counter
timeoutStart = millis();
}
else
{
// We haven't got any data, so let's pause to allow some to
// arrive
delay(iHttpWaitForDataDelay);
}
}
if (endOfHeadersReached())
{
// Success
return HTTP_SUCCESS;
}
else
{
// We must've timed out
return HTTP_ERROR_TIMED_OUT;
}
}
bool HttpClient::endOfHeadersReached()
{
return (iState == eReadingBody || iState == eReadingChunkLength || iState == eReadingBodyChunk);
};
long HttpClient::contentLength()
{
// skip the response headers, if they haven't been read already
if (!endOfHeadersReached())
{
skipResponseHeaders();
}
return iContentLength;
}
String HttpClient::responseBody()
{
int bodyLength = contentLength();
String response;
if (bodyLength > 0)
{
// try to reserve bodyLength bytes
if (response.reserve(bodyLength) == 0) {
// String reserve failed
return String((const char*)NULL);
}
}
// keep on timedRead'ing, until:
// - we have a content length: body length equals consumed or no bytes
// available
// - no content length: no bytes are available
while (iBodyLengthConsumed != bodyLength)
{
int c = timedRead();
if (c == -1) {
// read timed out, done
break;
}
if (!response.concat((char)c)) {
// adding char failed
return String((const char*)NULL);
}
}
if (bodyLength > 0 && (unsigned int)bodyLength != response.length()) {
// failure, we did not read in response content length bytes
return String((const char*)NULL);
}
return response;
}
bool HttpClient::endOfBodyReached()
{
if (endOfHeadersReached() && (contentLength() != kNoContentLengthHeader))
{
// We've got to the body and we know how long it will be
return (iBodyLengthConsumed >= contentLength());
}
return false;
}
int HttpClient::available()
{
if (iState == eReadingChunkLength)
{
while (iClient->available())
{
char c = iClient->read();
if (c == '\n')
{
iState = eReadingBodyChunk;
break;
}
else if (c == '\r')
{
// no-op
}
else if (isHexadecimalDigit(c))
{
char digit[2] = {c, '\0'};
iChunkLength = (iChunkLength * 16) + strtol(digit, NULL, 16);
}
}
}
if (iState == eReadingBodyChunk && iChunkLength == 0)
{
iState = eReadingChunkLength;
}
if (iState == eReadingChunkLength)
{
return 0;
}
int clientAvailable = iClient->available();
if (iState == eReadingBodyChunk)
{
return min(clientAvailable, iChunkLength);
}
else
{
return clientAvailable;
}
}
int HttpClient::read()
{
if (iIsChunked && !available())
{
return -1;
}
int ret = iClient->read();
if (ret >= 0)
{
if (endOfHeadersReached() && iContentLength > 0)
{
// We're outputting the body now and we've seen a Content-Length header
// So keep track of how many bytes are left
iBodyLengthConsumed++;
}
if (iState == eReadingBodyChunk)
{
iChunkLength--;
if (iChunkLength == 0)
{
iState = eReadingChunkLength;
}
}
}
return ret;
}
bool HttpClient::headerAvailable()
{
// clear the currently stored header line
iHeaderLine = "";
while (!endOfHeadersReached())
{
// read a byte from the header
int c = readHeader();
if (c == '\r' || c == '\n')
{
if (iHeaderLine.length())
{
// end of the line, all done
break;
}
else
{
// ignore any CR or LF characters
continue;
}
}
// append byte to header line
iHeaderLine += (char)c;
}
return (iHeaderLine.length() > 0);
}
String HttpClient::readHeaderName()
{
int colonIndex = iHeaderLine.indexOf(':');
if (colonIndex == -1)
{
return "";
}
return iHeaderLine.substring(0, colonIndex);
}
String HttpClient::readHeaderValue()
{
int colonIndex = iHeaderLine.indexOf(':');
int startIndex = colonIndex + 1;
if (colonIndex == -1)
{
return "";
}
// trim any leading whitespace
while (startIndex < (int)iHeaderLine.length() && isSpace(iHeaderLine[startIndex]))
{
startIndex++;
}
return iHeaderLine.substring(startIndex);
}
int HttpClient::read(uint8_t *buf, size_t size)
{
int ret =iClient->read(buf, size);
if (endOfHeadersReached() && iContentLength > 0)
{
// We're outputting the body now and we've seen a Content-Length header
// So keep track of how many bytes are left
if (ret >= 0)
{
iBodyLengthConsumed += ret;
}
}
return ret;
}
int HttpClient::readHeader()
{
char c = HttpClient::read();
if (endOfHeadersReached())
{
// We've passed the headers, but rather than return an error, we'll just
// act as a slightly less efficient version of read()
return c;
}
// Whilst reading out the headers to whoever wants them, we'll keep an
// eye out for the "Content-Length" header
switch(iState)
{
case eStatusCodeRead:
// We're at the start of a line, or somewhere in the middle of reading
// the Content-Length prefix
if (*iContentLengthPtr == c)
{
// This character matches, just move along
iContentLengthPtr++;
if (*iContentLengthPtr == '\0')
{
// We've reached the end of the prefix
iState = eReadingContentLength;
// Just in case we get multiple Content-Length headers, this
// will ensure we just get the value of the last one
iContentLength = 0;
iBodyLengthConsumed = 0;
}
}
else if (*iTransferEncodingChunkedPtr == c)
{
// This character matches, just move along
iTransferEncodingChunkedPtr++;
if (*iTransferEncodingChunkedPtr == '\0')
{
// We've reached the end of the Transfer Encoding: chunked header
iIsChunked = true;
iState = eSkipToEndOfHeader;
}
}
else if (((iContentLengthPtr == kContentLengthPrefix) && (iTransferEncodingChunkedPtr == kTransferEncodingChunked)) && (c == '\r'))
{
// We've found a '\r' at the start of a line, so this is probably
// the end of the headers
iState = eLineStartingCRFound;
}
else
{
// This isn't the Content-Length or Transfer Encoding chunked header, skip to the end of the line
iState = eSkipToEndOfHeader;
}
break;
case eReadingContentLength:
if (isdigit(c))
{
iContentLength = iContentLength*10 + (c - '0');
}
else
{
// We've reached the end of the content length
// We could sanity check it here or double-check for "\r\n"
// rather than anything else, but let's be lenient
iState = eSkipToEndOfHeader;
}
break;
case eLineStartingCRFound:
if (c == '\n')
{
if (iIsChunked)
{
iState = eReadingChunkLength;
iChunkLength = 0;
}
else
{
iState = eReadingBody;
}
}
break;
default:
// We're just waiting for the end of the line now
break;
};
if ( (c == '\n') && !endOfHeadersReached() )
{
// We've got to the end of this line, start processing again
iState = eStatusCodeRead;
iContentLengthPtr = kContentLengthPrefix;
iTransferEncodingChunkedPtr = kTransferEncodingChunked;
}
// And return the character read to whoever wants it
return c;
}

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libraries/ArduinoHttpClient/src/HttpClient.h Normal file
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// Class to simplify HTTP fetching on Arduino
// (c) Copyright MCQN Ltd. 2010-2012
// Released under Apache License, version 2.0
#ifndef HttpClient_h
#define HttpClient_h
#include <Arduino.h>
#include <IPAddress.h>
#include "Client.h"
static const int HTTP_SUCCESS =0;
// The end of the headers has been reached. This consumes the '\n'
// Could not connect to the server
static const int HTTP_ERROR_CONNECTION_FAILED =-1;
// This call was made when the HttpClient class wasn't expecting it
// to be called. Usually indicates your code is using the class
// incorrectly
static const int HTTP_ERROR_API =-2;
// Spent too long waiting for a reply
static const int HTTP_ERROR_TIMED_OUT =-3;
// The response from the server is invalid, is it definitely an HTTP
// server?
static const int HTTP_ERROR_INVALID_RESPONSE =-4;
// Define some of the common methods and headers here
// That lets other code reuse them without having to declare another copy
// of them, so saves code space and RAM
#define HTTP_METHOD_GET "GET"
#define HTTP_METHOD_POST "POST"
#define HTTP_METHOD_PUT "PUT"
#define HTTP_METHOD_PATCH "PATCH"
#define HTTP_METHOD_DELETE "DELETE"
#define HTTP_HEADER_CONTENT_LENGTH "Content-Length"
#define HTTP_HEADER_CONTENT_TYPE "Content-Type"
#define HTTP_HEADER_CONNECTION "Connection"
#define HTTP_HEADER_TRANSFER_ENCODING "Transfer-Encoding"
#define HTTP_HEADER_USER_AGENT "User-Agent"
#define HTTP_HEADER_VALUE_CHUNKED "chunked"
class HttpClient : public Client
{
public:
static const int kNoContentLengthHeader =-1;
static const int kHttpPort =80;
static const int kHttpsPort =443;
static const char* kUserAgent;
// FIXME Write longer API request, using port and user-agent, example
// FIXME Update tempToPachube example to calculate Content-Length correctly
HttpClient(Client& aClient, const char* aServerName, uint16_t aServerPort = kHttpPort);
HttpClient(Client& aClient, const String& aServerName, uint16_t aServerPort = kHttpPort);
HttpClient(Client& aClient, const IPAddress& aServerAddress, uint16_t aServerPort = kHttpPort);
/** Start a more complex request.
Use this when you need to send additional headers in the request,
but you will also need to call endRequest() when you are finished.
*/
void beginRequest();
/** End a more complex request.
Use this when you need to have sent additional headers in the request,
but you will also need to call beginRequest() at the start.
*/
void endRequest();
/** Start the body of a more complex request.
Use this when you need to send the body after additional headers
in the request, but can optionally call endRequest() when
you are finished.
*/
void beginBody();
/** Connect to the server and start to send a GET request.
@param aURLPath Url to request
@return 0 if successful, else error
*/
int get(const char* aURLPath);
int get(const String& aURLPath);
/** Connect to the server and start to send a POST request.
@param aURLPath Url to request
@return 0 if successful, else error
*/
int post(const char* aURLPath);
int post(const String& aURLPath);
/** Connect to the server and send a POST request
with body and content type
@param aURLPath Url to request
@param aContentType Content type of request body
@param aBody Body of the request
@return 0 if successful, else error
*/
int post(const char* aURLPath, const char* aContentType, const char* aBody);
int post(const String& aURLPath, const String& aContentType, const String& aBody);
int post(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
/** Connect to the server and start to send a PUT request.
@param aURLPath Url to request
@return 0 if successful, else error
*/
int put(const char* aURLPath);
int put(const String& aURLPath);
/** Connect to the server and send a PUT request
with body and content type
@param aURLPath Url to request
@param aContentType Content type of request body
@param aBody Body of the request
@return 0 if successful, else error
*/
int put(const char* aURLPath, const char* aContentType, const char* aBody);
int put(const String& aURLPath, const String& aContentType, const String& aBody);
int put(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
/** Connect to the server and start to send a PATCH request.
@param aURLPath Url to request
@return 0 if successful, else error
*/
int patch(const char* aURLPath);
int patch(const String& aURLPath);
/** Connect to the server and send a PATCH request
with body and content type
@param aURLPath Url to request
@param aContentType Content type of request body
@param aBody Body of the request
@return 0 if successful, else error
*/
int patch(const char* aURLPath, const char* aContentType, const char* aBody);
int patch(const String& aURLPath, const String& aContentType, const String& aBody);
int patch(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
/** Connect to the server and start to send a DELETE request.
@param aURLPath Url to request
@return 0 if successful, else error
*/
int del(const char* aURLPath);
int del(const String& aURLPath);
/** Connect to the server and send a DELETE request
with body and content type
@param aURLPath Url to request
@param aContentType Content type of request body
@param aBody Body of the request
@return 0 if successful, else error
*/
int del(const char* aURLPath, const char* aContentType, const char* aBody);
int del(const String& aURLPath, const String& aContentType, const String& aBody);
int del(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
/** Connect to the server and start to send the request.
If a body is provided, the entire request (including headers and body) will be sent
@param aURLPath Url to request
@param aHttpMethod Type of HTTP request to make, e.g. "GET", "POST", etc.
@param aContentType Content type of request body (optional)
@param aContentLength Length of request body (optional)
@param aBody Body of request (optional)
@return 0 if successful, else error
*/
int startRequest(const char* aURLPath,
const char* aHttpMethod,
const char* aContentType = NULL,
int aContentLength = -1,
const byte aBody[] = NULL);
/** Send an additional header line. This can only be called in between the
calls to beginRequest and endRequest.
@param aHeader Header line to send, in its entirety (but without the
trailing CRLF. E.g. "Authorization: Basic YQDDCAIGES"
*/
void sendHeader(const char* aHeader);
void sendHeader(const String& aHeader)
{ sendHeader(aHeader.c_str()); }
/** Send an additional header line. This is an alternate form of
sendHeader() which takes the header name and content as separate strings.
The call will add the ": " to separate the header, so for example, to
send a XXXXXX header call sendHeader("XXXXX", "Something")
@param aHeaderName Type of header being sent
@param aHeaderValue Value for that header
*/
void sendHeader(const char* aHeaderName, const char* aHeaderValue);
void sendHeader(const String& aHeaderName, const String& aHeaderValue)
{ sendHeader(aHeaderName.c_str(), aHeaderValue.c_str()); }
/** Send an additional header line. This is an alternate form of
sendHeader() which takes the header name and content separately but where
the value is provided as an integer.
The call will add the ": " to separate the header, so for example, to
send a XXXXXX header call sendHeader("XXXXX", 123)
@param aHeaderName Type of header being sent
@param aHeaderValue Value for that header
*/
void sendHeader(const char* aHeaderName, const int aHeaderValue);
void sendHeader(const String& aHeaderName, const int aHeaderValue)
{ sendHeader(aHeaderName.c_str(), aHeaderValue); }
/** Send a basic authentication header. This will encode the given username
and password, and send them in suitable header line for doing Basic
Authentication.
@param aUser Username for the authorization
@param aPassword Password for the user aUser
*/
void sendBasicAuth(const char* aUser, const char* aPassword);
void sendBasicAuth(const String& aUser, const String& aPassword)
{ sendBasicAuth(aUser.c_str(), aPassword.c_str()); }
/** Get the HTTP status code contained in the response.
For example, 200 for successful request, 404 for file not found, etc.
*/
int responseStatusCode();
/** Check if a header is available to be read.
Use readHeaderName() to read header name, and readHeaderValue() to
read the header value
MUST be called after responseStatusCode() and before contentLength()
*/
bool headerAvailable();
/** Read the name of the current response header.
Returns empty string if a header is not available.
*/
String readHeaderName();
/** Read the value of the current response header.
Returns empty string if a header is not available.
*/
String readHeaderValue();
/** Read the next character of the response headers.
This functions in the same way as read() but to be used when reading
through the headers. Check whether or not the end of the headers has
been reached by calling endOfHeadersReached(), although after that point
this will still return data as read() would, but slightly less efficiently
MUST be called after responseStatusCode() and before contentLength()
@return The next character of the response headers
*/
int readHeader();
/** Skip any response headers to get to the body.
Use this if you don't want to do any special processing of the headers
returned in the response. You can also use it after you've found all of
the headers you're interested in, and just want to get on with processing
the body.
MUST be called after responseStatusCode()
@return HTTP_SUCCESS if successful, else an error code
*/
int skipResponseHeaders();
/** Test whether all of the response headers have been consumed.
@return true if we are now processing the response body, else false
*/
bool endOfHeadersReached();
/** Test whether the end of the body has been reached.
Only works if the Content-Length header was returned by the server
@return true if we are now at the end of the body, else false
*/
bool endOfBodyReached();
virtual bool endOfStream() { return endOfBodyReached(); };
virtual bool completed() { return endOfBodyReached(); };
/** Return the length of the body.
Also skips response headers if they have not been read already
MUST be called after responseStatusCode()
@return Length of the body, in bytes, or kNoContentLengthHeader if no
Content-Length header was returned by the server
*/
long contentLength();
/** Returns if the response body is chunked
@return true if response body is chunked, false otherwise
*/
int isResponseChunked() { return iIsChunked; }
/** Return the response body as a String
Also skips response headers if they have not been read already
MUST be called after responseStatusCode()
@return response body of request as a String
*/
String responseBody();
/** Enables connection keep-alive mode
*/
void connectionKeepAlive();
/** Disables sending the default request headers (Host and User Agent)
*/
void noDefaultRequestHeaders();
// Inherited from Print
// Note: 1st call to these indicates the user is sending the body, so if need
// Note: be we should finish the header first
virtual size_t write(uint8_t aByte) { if (iState < eRequestSent) { finishHeaders(); }; return iClient-> write(aByte); };
virtual size_t write(const uint8_t *aBuffer, size_t aSize) { if (iState < eRequestSent) { finishHeaders(); }; return iClient->write(aBuffer, aSize); };
// Inherited from Stream
virtual int available();
/** Read the next byte from the server.
@return Byte read or -1 if there are no bytes available.
*/
virtual int read();
virtual int read(uint8_t *buf, size_t size);
virtual int peek() { return iClient->peek(); };
virtual void flush() { iClient->flush(); };
// Inherited from Client
virtual int connect(IPAddress ip, uint16_t port) { return iClient->connect(ip, port); };
virtual int connect(const char *host, uint16_t port) { return iClient->connect(host, port); };
virtual void stop();
virtual uint8_t connected() { return iClient->connected(); };
virtual operator bool() { return bool(iClient); };
virtual uint32_t httpResponseTimeout() { return iHttpResponseTimeout; };
virtual void setHttpResponseTimeout(uint32_t timeout) { iHttpResponseTimeout = timeout; };
virtual uint32_t httpWaitForDataDelay() { return iHttpWaitForDataDelay; };
virtual void setHttpWaitForDataDelay(uint32_t delay) { iHttpWaitForDataDelay = delay; };
protected:
/** Reset internal state data back to the "just initialised" state
*/
void resetState();
/** Send the first part of the request and the initial headers.
@param aURLPath Url to request
@param aHttpMethod Type of HTTP request to make, e.g. "GET", "POST", etc.
@return 0 if successful, else error
*/
int sendInitialHeaders(const char* aURLPath,
const char* aHttpMethod);
/* Let the server know that we've reached the end of the headers
*/
void finishHeaders();
/** Reading any pending data from the client (used in connection keep alive mode)
*/
void flushClientRx();
// Number of milliseconds that we wait each time there isn't any data
// available to be read (during status code and header processing)
static const int kHttpWaitForDataDelay = 100;
// Number of milliseconds that we'll wait in total without receiving any
// data before returning HTTP_ERROR_TIMED_OUT (during status code and header
// processing)
static const int kHttpResponseTimeout = 30*1000;
static const char* kContentLengthPrefix;
static const char* kTransferEncodingChunked;
typedef enum {
eIdle,
eRequestStarted,
eRequestSent,
eReadingStatusCode,
eStatusCodeRead,
eReadingContentLength,
eSkipToEndOfHeader,
eLineStartingCRFound,
eReadingBody,
eReadingChunkLength,
eReadingBodyChunk
} tHttpState;
// Client we're using
Client* iClient;
// Server we are connecting to
const char* iServerName;
IPAddress iServerAddress;
// Port of server we are connecting to
uint16_t iServerPort;
// Current state of the finite-state-machine
tHttpState iState;
// Stores the status code for the response, once known
int iStatusCode;
// Stores the value of the Content-Length header, if present
long iContentLength;
// How many bytes of the response body have been read by the user
int iBodyLengthConsumed;
// How far through a Content-Length header prefix we are
const char* iContentLengthPtr;
// How far through a Transfer-Encoding chunked header we are
const char* iTransferEncodingChunkedPtr;
// Stores if the response body is chunked
bool iIsChunked;
// Stores the value of the current chunk length, if present
int iChunkLength;
uint32_t iHttpResponseTimeout;
uint32_t iHttpWaitForDataDelay;
bool iConnectionClose;
bool iSendDefaultRequestHeaders;
String iHeaderLine;
};
#endif

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// Library to simplify HTTP fetching on Arduino
// (c) Copyright Arduino. 2019
// Released under Apache License, version 2.0
#include "URLEncoder.h"
URLEncoderClass::URLEncoderClass()
{
}
URLEncoderClass::~URLEncoderClass()
{
}
String URLEncoderClass::encode(const char* str)
{
return encode(str, strlen(str));
}
String URLEncoderClass::encode(const String& str)
{
return encode(str.c_str(), str.length());
}
String URLEncoderClass::encode(const char* str, int length)
{
String encoded;
encoded.reserve(length);
for (int i = 0; i < length; i++) {
char c = str[i];
const char HEX_DIGIT_MAPPER[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
if (isAlphaNumeric(c) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
encoded += c;
} else {
char s[4];
s[0] = '%';
s[1] = HEX_DIGIT_MAPPER[(c >> 4) & 0xf];
s[2] = HEX_DIGIT_MAPPER[(c & 0x0f)];
s[3] = 0;
encoded += s;
}
}
return encoded;
}
URLEncoderClass URLEncoder;

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// Library to simplify HTTP fetching on Arduino
// (c) Copyright Arduino. 2019
// Released under Apache License, version 2.0
#ifndef URL_ENCODER_H
#define URL_ENCODER_H
#include <Arduino.h>
class URLEncoderClass
{
public:
URLEncoderClass();
virtual ~URLEncoderClass();
static String encode(const char* str);
static String encode(const String& str);
private:
static String encode(const char* str, int length);
};
extern URLEncoderClass URLEncoder;
#endif

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/*
* PackageLicenseDeclared: Apache-2.0
* Copyright (c) 2017 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* The following class is defined in mbed libraries, in case of STM32H7 include the original library
*/
#if defined __has_include
# if __has_include(<utility/http_parsed_url.h>)
# include <utility/http_parsed_url.h>
# else
# define NO_HTTP_PARSED
# endif
#endif
#ifdef NO_HTTP_PARSED
#ifndef _MBED_HTTP_PARSED_URL_H_
#define _MBED_HTTP_PARSED_URL_H_
#include "utility/URLParser/http_parser.h"
class ParsedUrl {
public:
ParsedUrl(const char* url) {
struct http_parser_url parsed_url;
http_parser_parse_url(url, strlen(url), false, &parsed_url);
for (size_t ix = 0; ix < UF_MAX; ix++) {
char* value;
if (parsed_url.field_set & (1 << ix)) {
value = (char*)calloc(parsed_url.field_data[ix].len + 1, 1);
memcpy(value, url + parsed_url.field_data[ix].off,
parsed_url.field_data[ix].len);
}
else {
value = (char*)calloc(1, 1);
}
switch ((http_parser_url_fields)ix) {
case UF_SCHEMA: _schema = value; break;
case UF_HOST: _host = value; break;
case UF_PATH: _path = value; break;
case UF_QUERY: _query = value; break;
case UF_USERINFO: _userinfo = value; break;
default:
// PORT is already parsed, FRAGMENT is not relevant for HTTP requests
free(value);
break;
}
}
_port = parsed_url.port;
if (!_port) {
if (strcmp(_schema, "https") == 0 || strcmp(_schema, "wss") == 0) {
_port = 443;
}
else {
_port = 80;
}
}
if (strcmp(_path, "") == 0) {
free(_path);
_path = (char*)calloc(2, 1);
_path[0] = '/';
}
}
~ParsedUrl() {
if (_schema) free(_schema);
if (_host) free(_host);
if (_path) free(_path);
if (_query) free(_query);
if (_userinfo) free(_userinfo);
}
uint16_t port() const { return _port; }
char* schema() const { return _schema; }
char* host() const { return _host; }
char* path() const { return _path; }
char* query() const { return _query; }
char* userinfo() const { return _userinfo; }
private:
uint16_t _port;
char* _schema;
char* _host;
char* _path;
char* _query;
char* _userinfo;
};
#endif // _MBED_HTTP_PARSED_URL_H_
#endif // NO_HTTP_PARSED
#undef NO_HTTP_PARSED

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// (c) Copyright Arduino. 2016
// Released under Apache License, version 2.0
#include "b64.h"
#include "WebSocketClient.h"
WebSocketClient::WebSocketClient(Client& aClient, const char* aServerName, uint16_t aServerPort)
: HttpClient(aClient, aServerName, aServerPort),
iTxStarted(false),
iRxSize(0)
{
}
WebSocketClient::WebSocketClient(Client& aClient, const String& aServerName, uint16_t aServerPort)
: HttpClient(aClient, aServerName, aServerPort),
iTxStarted(false),
iRxSize(0)
{
}
WebSocketClient::WebSocketClient(Client& aClient, const IPAddress& aServerAddress, uint16_t aServerPort)
: HttpClient(aClient, aServerAddress, aServerPort),
iTxStarted(false),
iRxSize(0)
{
}
int WebSocketClient::begin(const char* aPath)
{
// start the GET request
beginRequest();
connectionKeepAlive();
int status = get(aPath);
if (status == 0)
{
uint8_t randomKey[16];
char base64RandomKey[25];
// create a random key for the connection upgrade
for (int i = 0; i < (int)sizeof(randomKey); i++)
{
randomKey[i] = random(0x01, 0xff);
}
memset(base64RandomKey, 0x00, sizeof(base64RandomKey));
b64_encode(randomKey, sizeof(randomKey), (unsigned char*)base64RandomKey, sizeof(base64RandomKey));
// start the connection upgrade sequence
sendHeader("Upgrade", "websocket");
sendHeader("Connection", "Upgrade");
sendHeader("Sec-WebSocket-Key", base64RandomKey);
sendHeader("Sec-WebSocket-Version", "13");
endRequest();
status = responseStatusCode();
if (status > 0)
{
skipResponseHeaders();
}
}
iRxSize = 0;
// status code of 101 means success
return (status == 101) ? 0 : status;
}
int WebSocketClient::begin(const String& aPath)
{
return begin(aPath.c_str());
}
int WebSocketClient::beginMessage(int aType)
{
if (iTxStarted)
{
// fail TX already started
return 1;
}
iTxStarted = true;
iTxMessageType = (aType & 0xf);
iTxSize = 0;
return 0;
}
int WebSocketClient::endMessage()
{
if (!iTxStarted)
{
// fail TX not started
return 1;
}
// send FIN + the message type (opcode)
HttpClient::write(0x80 | iTxMessageType);
// the message is masked (0x80)
// send the length
if (iTxSize < 126)
{
HttpClient::write(0x80 | (uint8_t)iTxSize);
}
else if (iTxSize < 0xffff)
{
HttpClient::write(0x80 | 126);
HttpClient::write((iTxSize >> 8) & 0xff);
HttpClient::write((iTxSize >> 0) & 0xff);
}
else
{
HttpClient::write(0x80 | 127);
HttpClient::write((iTxSize >> 56) & 0xff);
HttpClient::write((iTxSize >> 48) & 0xff);
HttpClient::write((iTxSize >> 40) & 0xff);
HttpClient::write((iTxSize >> 32) & 0xff);
HttpClient::write((iTxSize >> 24) & 0xff);
HttpClient::write((iTxSize >> 16) & 0xff);
HttpClient::write((iTxSize >> 8) & 0xff);
HttpClient::write((iTxSize >> 0) & 0xff);
}
uint8_t maskKey[4];
// create a random mask for the data and send
for (int i = 0; i < (int)sizeof(maskKey); i++)
{
maskKey[i] = random(0xff);
}
HttpClient::write(maskKey, sizeof(maskKey));
// mask the data and send
for (int i = 0; i < (int)iTxSize; i++) {
iTxBuffer[i] ^= maskKey[i % sizeof(maskKey)];
}
size_t txSize = iTxSize;
iTxStarted = false;
iTxSize = 0;
return (HttpClient::write(iTxBuffer, txSize) == txSize) ? 0 : 1;
}
size_t WebSocketClient::write(uint8_t aByte)
{
return write(&aByte, sizeof(aByte));
}
size_t WebSocketClient::write(const uint8_t *aBuffer, size_t aSize)
{
if (iState < eReadingBody)
{
// have not upgraded the connection yet
return HttpClient::write(aBuffer, aSize);
}
if (!iTxStarted)
{
// fail TX not started
return 0;
}
// check if the write size, fits in the buffer
if ((iTxSize + aSize) > sizeof(iTxBuffer))
{
aSize = sizeof(iTxSize) - iTxSize;
}
// copy data into the buffer
memcpy(iTxBuffer + iTxSize, aBuffer, aSize);
iTxSize += aSize;
return aSize;
}
int WebSocketClient::parseMessage()
{
flushRx();
// make sure 2 bytes (opcode + length)
// are available
if (HttpClient::available() < 2)
{
return 0;
}
// read open code and length
uint8_t opcode = HttpClient::read();
int length = HttpClient::read();
if ((opcode & 0x0f) == 0)
{
// continuation, use previous opcode and update flags
iRxOpCode |= opcode;
}
else
{
iRxOpCode = opcode;
}
iRxMasked = (length & 0x80);
length &= 0x7f;
// read the RX size
if (length < 126)
{
iRxSize = length;
}
else if (length == 126)
{
iRxSize = (HttpClient::read() << 8) | HttpClient::read();
}
else
{
iRxSize = ((uint64_t)HttpClient::read() << 56) |
((uint64_t)HttpClient::read() << 48) |
((uint64_t)HttpClient::read() << 40) |
((uint64_t)HttpClient::read() << 32) |
((uint64_t)HttpClient::read() << 24) |
((uint64_t)HttpClient::read() << 16) |
((uint64_t)HttpClient::read() << 8) |
(uint64_t)HttpClient::read();
}
// read in the mask, if present
if (iRxMasked)
{
for (int i = 0; i < (int)sizeof(iRxMaskKey); i++)
{
iRxMaskKey[i] = HttpClient::read();
}
}
iRxMaskIndex = 0;
if (TYPE_CONNECTION_CLOSE == messageType())
{
flushRx();
stop();
iRxSize = 0;
}
else if (TYPE_PING == messageType())
{
beginMessage(TYPE_PONG);
while(available())
{
write(read());
}
endMessage();
iRxSize = 0;
}
else if (TYPE_PONG == messageType())
{
flushRx();
iRxSize = 0;
}
return iRxSize;
}
int WebSocketClient::messageType()
{
return (iRxOpCode & 0x0f);
}
bool WebSocketClient::isFinal()
{
return ((iRxOpCode & 0x80) != 0);
}
String WebSocketClient::readString()
{
int avail = available();
String s;
if (avail > 0)
{
s.reserve(avail);
for (int i = 0; i < avail; i++)
{
s += (char)read();
}
}
return s;
}
int WebSocketClient::ping()
{
uint8_t pingData[16];
// create random data for the ping
for (int i = 0; i < (int)sizeof(pingData); i++)
{
pingData[i] = random(0xff);
}
beginMessage(TYPE_PING);
write(pingData, sizeof(pingData));
return endMessage();
}
int WebSocketClient::available()
{
if (iState < eReadingBody)
{
return HttpClient::available();
}
return iRxSize;
}
int WebSocketClient::read()
{
byte b;
if (read(&b, sizeof(b)))
{
return b;
}
return -1;
}
int WebSocketClient::read(uint8_t *aBuffer, size_t aSize)
{
int readCount = HttpClient::read(aBuffer, aSize);
if (readCount > 0)
{
iRxSize -= readCount;
// unmask the RX data if needed
if (iRxMasked)
{
for (int i = 0; i < (int)aSize; i++, iRxMaskIndex++)
{
aBuffer[i] ^= iRxMaskKey[iRxMaskIndex % sizeof(iRxMaskKey)];
}
}
}
return readCount;
}
int WebSocketClient::peek()
{
int p = HttpClient::peek();
if (p != -1 && iRxMasked)
{
// unmask the RX data if needed
p = (uint8_t)p ^ iRxMaskKey[iRxMaskIndex % sizeof(iRxMaskKey)];
}
return p;
}
void WebSocketClient::flushRx()
{
while(available())
{
read();
}
}

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// (c) Copyright Arduino. 2016
// Released under Apache License, version 2.0
#ifndef WebSocketClient_h
#define WebSocketClient_h
#include <Arduino.h>
#include "HttpClient.h"
#ifndef WS_TX_BUFFER_SIZE
#define WS_TX_BUFFER_SIZE 128
#endif
static const int TYPE_CONTINUATION = 0x0;
static const int TYPE_TEXT = 0x1;
static const int TYPE_BINARY = 0x2;
static const int TYPE_CONNECTION_CLOSE = 0x8;
static const int TYPE_PING = 0x9;
static const int TYPE_PONG = 0xa;
class WebSocketClient : public HttpClient
{
public:
WebSocketClient(Client& aClient, const char* aServerName, uint16_t aServerPort = HttpClient::kHttpPort);
WebSocketClient(Client& aClient, const String& aServerName, uint16_t aServerPort = HttpClient::kHttpPort);
WebSocketClient(Client& aClient, const IPAddress& aServerAddress, uint16_t aServerPort = HttpClient::kHttpPort);
/** Start the Web Socket connection to the specified path
@param aURLPath Path to use in request (optional, "/" is used by default)
@return 0 if successful, else error
*/
int begin(const char* aPath = "/");
int begin(const String& aPath);
/** Begin to send a message of type (TYPE_TEXT or TYPE_BINARY)
Use the write or Stream API's to set message content, followed by endMessage
to complete the message.
@param aURLPath Path to use in request
@return 0 if successful, else error
*/
int beginMessage(int aType);
/** Completes sending of a message started by beginMessage
@return 0 if successful, else error
*/
int endMessage();
/** Try to parse an incoming messages
@return 0 if no message available, else size of parsed message
*/
int parseMessage();
/** Returns type of current parsed message
@return type of current parsedMessage (TYPE_TEXT or TYPE_BINARY)
*/
int messageType();
/** Returns if the current message is the final chunk of a split
message
@return true for final message, false otherwise
*/
bool isFinal();
/** Read the current messages as a string
@return current message as a string
*/
String readString();
/** Send a ping
@return 0 if successful, else error
*/
int ping();
// Inherited from Print
virtual size_t write(uint8_t aByte);
virtual size_t write(const uint8_t *aBuffer, size_t aSize);
// Inherited from Stream
virtual int available();
/** Read the next byte from the server.
@return Byte read or -1 if there are no bytes available.
*/
virtual int read();
virtual int read(uint8_t *buf, size_t size);
virtual int peek();
private:
void flushRx();
private:
bool iTxStarted;
uint8_t iTxMessageType;
uint8_t iTxBuffer[WS_TX_BUFFER_SIZE];
uint64_t iTxSize;
uint8_t iRxOpCode;
uint64_t iRxSize;
bool iRxMasked;
int iRxMaskIndex;
uint8_t iRxMaskKey[4];
};
#endif

72
libraries/ArduinoHttpClient/src/b64.cpp Normal file
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// Simple Base64 code
// (c) Copyright 2010 MCQN Ltd.
// Released under Apache License, version 2.0
#include "b64.h"
/* Simple test program
#include <stdio.h>
void main()
{
char* in = "amcewen";
char out[22];
b64_encode(in, 15, out, 22);
out[21] = '\0';
printf(out);
}
*/
int b64_encode(const unsigned char* aInput, int aInputLen, unsigned char* aOutput, int aOutputLen)
{
// Work out if we've got enough space to encode the input
// Every 6 bits of input becomes a byte of output
if (aOutputLen < (aInputLen*8)/6)
{
// FIXME Should we return an error here, or just the length
return (aInputLen*8)/6;
}
// If we get here we've got enough space to do the encoding
const char* b64_dictionary = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
if (aInputLen == 3)
{
aOutput[0] = b64_dictionary[aInput[0] >> 2];
aOutput[1] = b64_dictionary[(aInput[0] & 0x3)<<4|(aInput[1]>>4)];
aOutput[2] = b64_dictionary[(aInput[1]&0x0F)<<2|(aInput[2]>>6)];
aOutput[3] = b64_dictionary[aInput[2]&0x3F];
}
else if (aInputLen == 2)
{
aOutput[0] = b64_dictionary[aInput[0] >> 2];
aOutput[1] = b64_dictionary[(aInput[0] & 0x3)<<4|(aInput[1]>>4)];
aOutput[2] = b64_dictionary[(aInput[1]&0x0F)<<2];
aOutput[3] = '=';
}
else if (aInputLen == 1)
{
aOutput[0] = b64_dictionary[aInput[0] >> 2];
aOutput[1] = b64_dictionary[(aInput[0] & 0x3)<<4];
aOutput[2] = '=';
aOutput[3] = '=';
}
else
{
// Break the input into 3-byte chunks and process each of them
int i;
for (i = 0; i < aInputLen/3; i++)
{
b64_encode(&aInput[i*3], 3, &aOutput[i*4], 4);
}
if (aInputLen % 3 > 0)
{
// It doesn't fit neatly into a 3-byte chunk, so process what's left
b64_encode(&aInput[i*3], aInputLen % 3, &aOutput[i*4], aOutputLen - (i*4));
}
}
return ((aInputLen+2)/3)*4;
}

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libraries/ArduinoHttpClient/src/b64.h Normal file
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#ifndef b64_h
#define b64_h
int b64_encode(const unsigned char* aInput, int aInputLen, unsigned char* aOutput, int aOutputLen);
#endif

23
libraries/ArduinoHttpClient/src/utility/URLParser/LICENSE Normal file
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http_parser.c is based on src/http/ngx_http_parse.c from NGINX copyright
Igor Sysoev.
Additional changes are licensed under the same terms as NGINX and
copyright Joyent, Inc. and other Node contributors. All rights reserved.
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.

5
libraries/ArduinoHttpClient/src/utility/URLParser/README.md Normal file
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# http_parser library
This code is imported from: https://github.com/arduino/ArduinoCore-mbed/tree/4.1.1/libraries/SocketWrapper/src/utility/http_parser
The code is shrinked in size by deleting all the unrelated code to url parse.

591
libraries/ArduinoHttpClient/src/utility/URLParser/http_parser.c Normal file
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#if defined __has_include
# if ! __has_include(<utility/http_parser/http_parser.h>) && ! __has_include(<http_parser.h>)
# define NO_HTTP_PARSER
# endif
#endif
#ifdef NO_HTTP_PARSER
/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
*
* Additional changes are licensed under the same terms as NGINX and
* copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* 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_parser.h"
#include <assert.h>
#include <stddef.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#ifndef BIT_AT
# define BIT_AT(a, i) \
(!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
(1 << ((unsigned int) (i) & 7))))
#endif
#define SET_ERRNO(e) \
do { \
parser->http_errno = (e); \
} while(0)
#if HTTP_PARSER_STRICT
# define T(v) 0
#else
# define T(v) v
#endif
static const uint8_t normal_url_char[32] = {
/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
0 | T(2) | 0 | 0 | T(16) | 0 | 0 | 0,
/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
0 | 2 | 4 | 0 | 16 | 32 | 64 | 128,
/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 0,
/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, };
#undef T
enum state
{ s_dead = 1 /* important that this is > 0 */
, s_start_req
, s_req_spaces_before_url
, s_req_schema
, s_req_schema_slash
, s_req_schema_slash_slash
, s_req_server_start
, s_req_server
, s_req_server_with_at
, s_req_path
, s_req_query_string_start
, s_req_query_string
, s_req_fragment_start
, s_req_fragment
, s_headers_done
};
enum http_host_state
{
s_http_host_dead = 1
, s_http_userinfo_start
, s_http_userinfo
, s_http_host_start
, s_http_host_v6_start
, s_http_host
, s_http_host_v6
, s_http_host_v6_end
, s_http_host_v6_zone_start
, s_http_host_v6_zone
, s_http_host_port_start
, s_http_host_port
};
/* Macros for character classes; depends on strict-mode */
#define LOWER(c) (unsigned char)(c | 0x20)
#define IS_ALPHA(c) (LOWER(c) >= 'a' && LOWER(c) <= 'z')
#define IS_NUM(c) ((c) >= '0' && (c) <= '9')
#define IS_ALPHANUM(c) (IS_ALPHA(c) || IS_NUM(c))
#define IS_HEX(c) (IS_NUM(c) || (LOWER(c) >= 'a' && LOWER(c) <= 'f'))
#define IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
(c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
(c) == ')')
#define IS_USERINFO_CHAR(c) (IS_ALPHANUM(c) || IS_MARK(c) || (c) == '%' || \
(c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
(c) == '$' || (c) == ',')
#if HTTP_PARSER_STRICT
#define IS_URL_CHAR(c) (BIT_AT(normal_url_char, (unsigned char)c))
#define IS_HOST_CHAR(c) (IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
#else
#define IS_URL_CHAR(c) \
(BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
#define IS_HOST_CHAR(c) \
(IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
#endif
/* Our URL parser.
*
* This is designed to be shared by http_parser_execute() for URL validation,
* hence it has a state transition + byte-for-byte interface. In addition, it
* is meant to be embedded in http_parser_parse_url(), which does the dirty
* work of turning state transitions URL components for its API.
*
* This function should only be invoked with non-space characters. It is
* assumed that the caller cares about (and can detect) the transition between
* URL and non-URL states by looking for these.
*/
static enum state
parse_url_char(enum state s, const char ch)
{
if (ch == ' ' || ch == '\r' || ch == '\n') {
return s_dead;
}
#if HTTP_PARSER_STRICT
if (ch == '\t' || ch == '\f') {
return s_dead;
}
#endif
switch (s) {
case s_req_spaces_before_url:
/* Proxied requests are followed by scheme of an absolute URI (alpha).
* All methods except CONNECT are followed by '/' or '*'.
*/
if (ch == '/' || ch == '*') {
return s_req_path;
}
if (IS_ALPHA(ch)) {
return s_req_schema;
}
break;
case s_req_schema:
if (IS_ALPHA(ch)) {
return s;
}
if (ch == ':') {
return s_req_schema_slash;
}
break;
case s_req_schema_slash:
if (ch == '/') {
return s_req_schema_slash_slash;
}
break;
case s_req_schema_slash_slash:
if (ch == '/') {
return s_req_server_start;
}
break;
case s_req_server_with_at:
if (ch == '@') {
return s_dead;
}
/* FALLTHROUGH */
case s_req_server_start:
case s_req_server:
if (ch == '/') {
return s_req_path;
}
if (ch == '?') {
return s_req_query_string_start;
}
if (ch == '@') {
return s_req_server_with_at;
}
if (IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
return s_req_server;
}
break;
case s_req_path:
if (IS_URL_CHAR(ch)) {
return s;
}
switch (ch) {
case '?':
return s_req_query_string_start;
case '#':
return s_req_fragment_start;
}
break;
case s_req_query_string_start:
case s_req_query_string:
if (IS_URL_CHAR(ch)) {
return s_req_query_string;
}
switch (ch) {
case '?':
/* allow extra '?' in query string */
return s_req_query_string;
case '#':
return s_req_fragment_start;
}
break;
case s_req_fragment_start:
if (IS_URL_CHAR(ch)) {
return s_req_fragment;
}
switch (ch) {
case '?':
return s_req_fragment;
case '#':
return s;
}
break;
case s_req_fragment:
if (IS_URL_CHAR(ch)) {
return s;
}
switch (ch) {
case '?':
case '#':
return s;
}
break;
default:
break;
}
/* We should never fall out of the switch above unless there's an error */
return s_dead;
}
static enum http_host_state
http_parse_host_char(enum http_host_state s, const char ch) {
switch(s) {
case s_http_userinfo:
case s_http_userinfo_start:
if (ch == '@') {
return s_http_host_start;
}
if (IS_USERINFO_CHAR(ch)) {
return s_http_userinfo;
}
break;
case s_http_host_start:
if (ch == '[') {
return s_http_host_v6_start;
}
if (IS_HOST_CHAR(ch)) {
return s_http_host;
}
break;
case s_http_host:
if (IS_HOST_CHAR(ch)) {
return s_http_host;
}
/* FALLTHROUGH */
case s_http_host_v6_end:
if (ch == ':') {
return s_http_host_port_start;
}
break;
case s_http_host_v6:
if (ch == ']') {
return s_http_host_v6_end;
}
/* FALLTHROUGH */
case s_http_host_v6_start:
if (IS_HEX(ch) || ch == ':' || ch == '.') {
return s_http_host_v6;
}
if (s == s_http_host_v6 && ch == '%') {
return s_http_host_v6_zone_start;
}
break;
case s_http_host_v6_zone:
if (ch == ']') {
return s_http_host_v6_end;
}
/* FALLTHROUGH */
case s_http_host_v6_zone_start:
/* RFC 6874 Zone ID consists of 1*( unreserved / pct-encoded) */
if (IS_ALPHANUM(ch) || ch == '%' || ch == '.' || ch == '-' || ch == '_' ||
ch == '~') {
return s_http_host_v6_zone;
}
break;
case s_http_host_port:
case s_http_host_port_start:
if (IS_NUM(ch)) {
return s_http_host_port;
}
break;
default:
break;
}
return s_http_host_dead;
}
static int
http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
enum http_host_state s;
const char *p;
uint32_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
assert(u->field_set & (1 << UF_HOST));
u->field_data[UF_HOST].len = 0;
s = found_at ? s_http_userinfo_start : s_http_host_start;
for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
enum http_host_state new_s = http_parse_host_char(s, *p);
if (new_s == s_http_host_dead) {
return 1;
}
switch(new_s) {
case s_http_host:
if (s != s_http_host) {
u->field_data[UF_HOST].off = p - buf;
}
u->field_data[UF_HOST].len++;
break;
case s_http_host_v6:
if (s != s_http_host_v6) {
u->field_data[UF_HOST].off = p - buf;
}
u->field_data[UF_HOST].len++;
break;
case s_http_host_v6_zone_start:
case s_http_host_v6_zone:
u->field_data[UF_HOST].len++;
break;
case s_http_host_port:
if (s != s_http_host_port) {
u->field_data[UF_PORT].off = p - buf;
u->field_data[UF_PORT].len = 0;
u->field_set |= (1 << UF_PORT);
}
u->field_data[UF_PORT].len++;
break;
case s_http_userinfo:
if (s != s_http_userinfo) {
u->field_data[UF_USERINFO].off = p - buf ;
u->field_data[UF_USERINFO].len = 0;
u->field_set |= (1 << UF_USERINFO);
}
u->field_data[UF_USERINFO].len++;
break;
default:
break;
}
s = new_s;
}
/* Make sure we don't end somewhere unexpected */
switch (s) {
case s_http_host_start:
case s_http_host_v6_start:
case s_http_host_v6:
case s_http_host_v6_zone_start:
case s_http_host_v6_zone:
case s_http_host_port_start:
case s_http_userinfo:
case s_http_userinfo_start:
return 1;
default:
break;
}
return 0;
}
void
http_parser_url_init(struct http_parser_url *u) {
memset(u, 0, sizeof(*u));
}
int
http_parser_parse_url(const char *buf, uint32_t buflen, int is_connect,
struct http_parser_url *u)
{
enum state s;
const char *p;
enum http_parser_url_fields uf, old_uf;
int found_at = 0;
u->port = u->field_set = 0;
s = is_connect ? s_req_server_start : s_req_spaces_before_url;
old_uf = UF_MAX;
for (p = buf; p < buf + buflen; p++) {
s = parse_url_char(s, *p);
/* Figure out the next field that we're operating on */
switch (s) {
case s_dead:
return 1;
/* Skip delimeters */
case s_req_schema_slash:
case s_req_schema_slash_slash:
case s_req_server_start:
case s_req_query_string_start:
case s_req_fragment_start:
continue;
case s_req_schema:
uf = UF_SCHEMA;
break;
case s_req_server_with_at:
found_at = 1;
/* FALLTROUGH */
case s_req_server:
uf = UF_HOST;
break;
case s_req_path:
uf = UF_PATH;
break;
case s_req_query_string:
uf = UF_QUERY;
break;
case s_req_fragment:
uf = UF_FRAGMENT;
break;
default:
assert(!"Unexpected state");
return 1;
}
/* Nothing's changed; soldier on */
if (uf == old_uf) {
u->field_data[uf].len++;
continue;
}
u->field_data[uf].off = p - buf;
u->field_data[uf].len = 1;
u->field_set |= (1 << uf);
old_uf = uf;
}
/* host must be present if there is a schema */
/* parsing http:///toto will fail */
if ((u->field_set & (1 << UF_SCHEMA)) &&
(u->field_set & (1 << UF_HOST)) == 0) {
return 1;
}
if (u->field_set & (1 << UF_HOST)) {
if (http_parse_host(buf, u, found_at) != 0) {
return 1;
}
}
/* CONNECT requests can only contain "hostname:port" */
if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) {
return 1;
}
if (u->field_set & (1 << UF_PORT)) {
/* Don't bother with endp; we've already validated the string */
unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
/* Ports have a max value of 2^16 */
if (v > 0xffff) {
return 1;
}
u->port = (uint16_t) v;
}
return 0;
}
unsigned long
http_parser_version(void) {
return HTTP_PARSER_VERSION_MAJOR * 0x10000 |
HTTP_PARSER_VERSION_MINOR * 0x00100 |
HTTP_PARSER_VERSION_PATCH * 0x00001;
}
#endif // NO_HTTP_PARSER

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libraries/ArduinoHttpClient/src/utility/URLParser/http_parser.h Normal file
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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* 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.
*/
#ifndef http_parser_h
#define http_parser_h
#ifdef __cplusplus
extern "C" {
#endif
/* Also update SONAME in the Makefile whenever you change these. */
#define HTTP_PARSER_VERSION_MAJOR 2
#define HTTP_PARSER_VERSION_MINOR 7
#define HTTP_PARSER_VERSION_PATCH 1
#include <stdint.h>
/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
* faster
*/
#ifndef HTTP_PARSER_STRICT
# define HTTP_PARSER_STRICT 1
#endif
enum http_parser_url_fields
{ UF_SCHEMA = 0
, UF_HOST = 1
, UF_PORT = 2
, UF_PATH = 3
, UF_QUERY = 4
, UF_FRAGMENT = 5
, UF_USERINFO = 6
, UF_MAX = 7
};
/* Result structure for http_parser_parse_url().
*
* Callers should index into field_data[] with UF_* values iff field_set
* has the relevant (1 << UF_*) bit set. As a courtesy to clients (and
* because we probably have padding left over), we convert any port to
* a uint16_t.
*/
struct http_parser_url {
uint16_t field_set; /* Bitmask of (1 << UF_*) values */
uint16_t port; /* Converted UF_PORT string */
struct {
uint16_t off; /* Offset into buffer in which field starts */
uint16_t len; /* Length of run in buffer */
} field_data[UF_MAX];
};
/* Returns the library version. Bits 16-23 contain the major version number,
* bits 8-15 the minor version number and bits 0-7 the patch level.
* Usage example:
*
* unsigned long version = http_parser_version();
* unsigned major = (version >> 16) & 255;
* unsigned minor = (version >> 8) & 255;
* unsigned patch = version & 255;
* printf("http_parser v%u.%u.%u\n", major, minor, patch);
*/
unsigned long http_parser_version(void);
/* Initialize all http_parser_url members to 0 */
void http_parser_url_init(struct http_parser_url *u);
/* Parse a URL; return nonzero on failure */
int http_parser_parse_url(const char *buf, uint32_t buflen,
int is_connect,
struct http_parser_url *u);
#ifdef __cplusplus
}
#endif
#endif