initial commitHEADmain

1 files changed, 1185 insertions, 0 deletions

diff --git a/libraries/ESP_Async_WebServer/src/WebRequest.cpp b/libraries/ESP_Async_WebServer/src/WebRequest.cpp
new file mode 100644
index 0000000..8b735af
--- /dev/null
+++ b/libraries/ESP_Async_WebServer/src/WebRequest.cpp
@@ -0,0 +1,1185 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+#include "ESPAsyncWebServer.h"
+#include "WebAuthentication.h"
+#include "WebResponseImpl.h"
+#include "literals.h"
+#include <cstring>
+
+#define __is_param_char(c) ((c) && ((c) != '{') && ((c) != '[') && ((c) != '&') && ((c) != '='))
+
+static void doNotDelete(AsyncWebServerRequest *) {}
+
+using namespace asyncsrv;
+
+enum {
+  PARSE_REQ_START = 0,
+  PARSE_REQ_HEADERS = 1,
+  PARSE_REQ_BODY = 2,
+  PARSE_REQ_END = 3,
+  PARSE_REQ_FAIL = 4
+};
+
+AsyncWebServerRequest::AsyncWebServerRequest(AsyncWebServer *s, AsyncClient *c)
+  : _client(c), _server(s), _handler(NULL), _response(NULL), _temp(), _parseState(PARSE_REQ_START), _version(0), _method(HTTP_ANY), _url(), _host(),
+    _contentType(), _boundary(), _authorization(), _reqconntype(RCT_HTTP), _authMethod(AsyncAuthType::AUTH_NONE), _isMultipart(false), _isPlainPost(false),
+    _expectingContinue(false), _contentLength(0), _parsedLength(0), _multiParseState(0), _boundaryPosition(0), _itemStartIndex(0), _itemSize(0), _itemName(),
+    _itemFilename(), _itemType(), _itemValue(), _itemBuffer(0), _itemBufferIndex(0), _itemIsFile(false), _tempObject(NULL) {
+  c->onError(
+    [](void *r, AsyncClient *c, int8_t error) {
+      (void)c;
+      // log_e("AsyncWebServerRequest::_onError");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onError(error);
+    },
+    this
+  );
+  c->onAck(
+    [](void *r, AsyncClient *c, size_t len, uint32_t time) {
+      (void)c;
+      // log_e("AsyncWebServerRequest::_onAck");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onAck(len, time);
+    },
+    this
+  );
+  c->onDisconnect(
+    [](void *r, AsyncClient *c) {
+      // log_e("AsyncWebServerRequest::_onDisconnect");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onDisconnect();
+      delete c;
+    },
+    this
+  );
+  c->onTimeout(
+    [](void *r, AsyncClient *c, uint32_t time) {
+      (void)c;
+      // log_e("AsyncWebServerRequest::_onTimeout");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onTimeout(time);
+    },
+    this
+  );
+  c->onData(
+    [](void *r, AsyncClient *c, void *buf, size_t len) {
+      (void)c;
+      // log_e("AsyncWebServerRequest::_onData");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onData(buf, len);
+    },
+    this
+  );
+  c->onPoll(
+    [](void *r, AsyncClient *c) {
+      (void)c;
+      // log_e("AsyncWebServerRequest::_onPoll");
+      AsyncWebServerRequest *req = (AsyncWebServerRequest *)r;
+      req->_onPoll();
+    },
+    this
+  );
+}
+
+AsyncWebServerRequest::~AsyncWebServerRequest() {
+  // log_e("AsyncWebServerRequest::~AsyncWebServerRequest");
+
+  _this.reset();
+
+  _headers.clear();
+
+  _pathParams.clear();
+
+  AsyncWebServerResponse *r = _response;
+  _response = NULL;
+  delete r;
+
+  if (_tempObject != NULL) {
+    free(_tempObject);
+  }
+
+  if (_tempFile) {
+    _tempFile.close();
+  }
+
+  if (_itemBuffer) {
+    free(_itemBuffer);
+  }
+}
+
+void AsyncWebServerRequest::_onData(void *buf, size_t len) {
+  // SSL/TLS handshake detection
+#ifndef ASYNC_TCP_SSL_ENABLED
+  if (_parseState == PARSE_REQ_START && len && ((uint8_t *)buf)[0] == 0x16) {  // 0x16 indicates a Handshake message (SSL/TLS).
+#ifdef ESP32
+    log_d("SSL/TLS handshake detected: resetting connection");
+#endif
+    _parseState = PARSE_REQ_FAIL;
+    abort();
+    return;
+  }
+#endif
+
+  size_t i = 0;
+  while (true) {
+
+    if (_parseState < PARSE_REQ_BODY) {
+      // Find new line in buf
+      char *str = (char *)buf;
+      for (i = 0; i < len; i++) {
+        // Check for null characters in header
+        if (!str[i]) {
+          _parseState = PARSE_REQ_FAIL;
+          abort();
+          return;
+        }
+        if (str[i] == '\n') {
+          break;
+        }
+      }
+      if (i == len) {  // No new line, just add the buffer in _temp
+        char ch = str[len - 1];
+        str[len - 1] = 0;
+        if (!_temp.reserve(_temp.length() + len)) {
+#ifdef ESP32
+          log_e("Failed to allocate");
+#endif
+          _parseState = PARSE_REQ_FAIL;
+          abort();
+          return;
+        }
+        _temp.concat(str);
+        _temp.concat(ch);
+      } else {       // Found new line - extract it and parse
+        str[i] = 0;  // Terminate the string at the end of the line.
+        _temp.concat(str);
+        _temp.trim();
+        _parseLine();
+        if (++i < len) {
+          // Still have more buffer to process
+          buf = str + i;
+          len -= i;
+          continue;
+        }
+      }
+    } else if (_parseState == PARSE_REQ_BODY) {
+      // A handler should be already attached at this point in _parseLine function.
+      // If handler does nothing (_onRequest is NULL), we don't need to really parse the body.
+      const bool needParse = _handler && !_handler->isRequestHandlerTrivial();
+      // Discard any bytes after content length; handlers may overrun their buffers
+      len = std::min(len, _contentLength - _parsedLength);
+      if (_isMultipart) {
+        if (needParse) {
+          size_t i;
+          for (i = 0; i < len; i++) {
+            _parseMultipartPostByte(((uint8_t *)buf)[i], i == len - 1);
+            _parsedLength++;
+          }
+        } else {
+          _parsedLength += len;
+        }
+      } else {
+        if (_parsedLength == 0) {
+          if (_contentType.startsWith(T_app_xform_urlencoded)) {
+            _isPlainPost = true;
+          } else if (_contentType == T_text_plain && __is_param_char(((char *)buf)[0])) {
+            size_t i = 0;
+            while (i < len && __is_param_char(((char *)buf)[i++]));
+            if (i < len && ((char *)buf)[i - 1] == '=') {
+              _isPlainPost = true;
+            }
+          }
+        }
+        if (!_isPlainPost) {
+          // ESP_LOGD("AsyncWebServer", "_isPlainPost: %d, _handler: %p", _isPlainPost, _handler);
+          if (_handler) {
+            _handler->handleBody(this, (uint8_t *)buf, len, _parsedLength, _contentLength);
+          }
+          _parsedLength += len;
+        } else if (needParse) {
+          size_t i;
+          for (i = 0; i < len; i++) {
+            _parsedLength++;
+            _parsePlainPostChar(((uint8_t *)buf)[i]);
+          }
+        } else {
+          _parsedLength += len;
+        }
+      }
+      if (_parsedLength == _contentLength) {
+        _parseState = PARSE_REQ_END;
+        _runMiddlewareChain();
+        _send();
+      }
+    }
+    break;
+  }
+}
+
+void AsyncWebServerRequest::_onPoll() {
+  // os_printf("p\n");
+  if (_response != NULL && _client != NULL && _client->canSend()) {
+    if (!_response->_finished()) {
+      _response->_ack(this, 0, 0);
+    } else {
+      AsyncWebServerResponse *r = _response;
+      _response = NULL;
+      delete r;
+
+      _client->close();
+    }
+  }
+}
+
+void AsyncWebServerRequest::_onAck(size_t len, uint32_t time) {
+  // os_printf("a:%u:%u\n", len, time);
+  if (_response != NULL) {
+    if (!_response->_finished()) {
+      _response->_ack(this, len, time);
+    } else if (_response->_finished()) {
+      AsyncWebServerResponse *r = _response;
+      _response = NULL;
+      delete r;
+
+      _client->close();
+    }
+  }
+}
+
+void AsyncWebServerRequest::_onError(int8_t error) {
+  (void)error;
+}
+
+void AsyncWebServerRequest::_onTimeout(uint32_t time) {
+  (void)time;
+  // os_printf("TIMEOUT: %u, state: %s\n", time, _client->stateToString());
+  _client->close();
+}
+
+void AsyncWebServerRequest::onDisconnect(ArDisconnectHandler fn) {
+  _onDisconnectfn = fn;
+}
+
+void AsyncWebServerRequest::_onDisconnect() {
+  // os_printf("d\n");
+  if (_onDisconnectfn) {
+    _onDisconnectfn();
+  }
+  _server->_handleDisconnect(this);
+}
+
+void AsyncWebServerRequest::_addPathParam(const char *p) {
+  _pathParams.emplace_back(p);
+}
+
+void AsyncWebServerRequest::_addGetParams(const String &params) {
+  size_t start = 0;
+  while (start < params.length()) {
+    int end = params.indexOf('&', start);
+    if (end < 0) {
+      end = params.length();
+    }
+    int equal = params.indexOf('=', start);
+    if (equal < 0 || equal > end) {
+      equal = end;
+    }
+    String name = urlDecode(params.substring(start, equal));
+    String value = urlDecode(equal + 1 < end ? params.substring(equal + 1, end) : emptyString);
+    if (name.length()) {
+      _params.emplace_back(name, value);
+    }
+    start = end + 1;
+  }
+}
+
+bool AsyncWebServerRequest::_parseReqHead() {
+  // Split the head into method, url and version
+  int index = _temp.indexOf(' ');
+  String m = _temp.substring(0, index);
+  index = _temp.indexOf(' ', index + 1);
+  String u = _temp.substring(m.length() + 1, index);
+  _temp = _temp.substring(index + 1);
+
+  if (m == T_GET) {
+    _method = HTTP_GET;
+  } else if (m == T_POST) {
+    _method = HTTP_POST;
+  } else if (m == T_DELETE) {
+    _method = HTTP_DELETE;
+  } else if (m == T_PUT) {
+    _method = HTTP_PUT;
+  } else if (m == T_PATCH) {
+    _method = HTTP_PATCH;
+  } else if (m == T_HEAD) {
+    _method = HTTP_HEAD;
+  } else if (m == T_OPTIONS) {
+    _method = HTTP_OPTIONS;
+  } else {
+    return false;
+  }
+
+  String g;
+  index = u.indexOf('?');
+  if (index > 0) {
+    g = u.substring(index + 1);
+    u = u.substring(0, index);
+  }
+  _url = urlDecode(u);
+  _addGetParams(g);
+
+  if (!_url.length()) {
+    return false;
+  }
+
+  if (!_temp.startsWith(T_HTTP_1_0)) {
+    _version = 1;
+  }
+
+  _temp = emptyString;
+  return true;
+}
+
+bool AsyncWebServerRequest::_parseReqHeader() {
+  int index = _temp.indexOf(':');
+  if (index) {
+    String name(_temp.substring(0, index));
+    String value(_temp.substring(index + 2));
+    if (name.equalsIgnoreCase(T_Host)) {
+      _host = value;
+    } else if (name.equalsIgnoreCase(T_Content_Type)) {
+      _contentType = value.substring(0, value.indexOf(';'));
+      if (value.startsWith(T_MULTIPART_)) {
+        _boundary = value.substring(value.indexOf('=') + 1);
+        _boundary.replace(String('"'), String());
+        _isMultipart = true;
+      }
+    } else if (name.equalsIgnoreCase(T_Content_Length)) {
+      _contentLength = atoi(value.c_str());
+    } else if (name.equalsIgnoreCase(T_EXPECT) && value.equalsIgnoreCase(T_100_CONTINUE)) {
+      _expectingContinue = true;
+    } else if (name.equalsIgnoreCase(T_AUTH)) {
+      int space = value.indexOf(' ');
+      if (space == -1) {
+        _authorization = value;
+        _authMethod = AsyncAuthType::AUTH_OTHER;
+      } else {
+        String method = value.substring(0, space);
+        if (method.equalsIgnoreCase(T_BASIC)) {
+          _authMethod = AsyncAuthType::AUTH_BASIC;
+        } else if (method.equalsIgnoreCase(T_DIGEST)) {
+          _authMethod = AsyncAuthType::AUTH_DIGEST;
+        } else if (method.equalsIgnoreCase(T_BEARER)) {
+          _authMethod = AsyncAuthType::AUTH_BEARER;
+        } else {
+          _authMethod = AsyncAuthType::AUTH_OTHER;
+        }
+        _authorization = value.substring(space + 1);
+      }
+    } else if (name.equalsIgnoreCase(T_UPGRADE) && value.equalsIgnoreCase(T_WS)) {
+      // WebSocket request can be uniquely identified by header: [Upgrade: websocket]
+      _reqconntype = RCT_WS;
+    } else if (name.equalsIgnoreCase(T_ACCEPT)) {
+      String lowcase(value);
+      lowcase.toLowerCase();
+#ifndef ESP8266
+      const char *substr = std::strstr(lowcase.c_str(), T_text_event_stream);
+#else
+      const char *substr = std::strstr(lowcase.c_str(), String(T_text_event_stream).c_str());
+#endif
+      if (substr != NULL) {
+        // WebEvent request can be uniquely identified by header:  [Accept: text/event-stream]
+        _reqconntype = RCT_EVENT;
+      }
+    }
+    _headers.emplace_back(name, value);
+  }
+#if defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
+  // Ancient PRI core does not have String::clear() method 8-()
+  _temp = emptyString;
+#else
+  _temp.clear();
+#endif
+  return true;
+}
+
+void AsyncWebServerRequest::_parsePlainPostChar(uint8_t data) {
+  if (data && (char)data != '&') {
+    _temp += (char)data;
+  }
+  if (!data || (char)data == '&' || _parsedLength == _contentLength) {
+    String name(T_BODY);
+    String value(_temp);
+    if (!(_temp.charAt(0) == '{') && !(_temp.charAt(0) == '[') && _temp.indexOf('=') > 0) {
+      name = _temp.substring(0, _temp.indexOf('='));
+      value = _temp.substring(_temp.indexOf('=') + 1);
+    }
+    name = urlDecode(name);
+    if (name.length()) {
+      _params.emplace_back(name, urlDecode(value), true);
+    }
+
+#if defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
+    // Ancient PRI core does not have String::clear() method 8-()
+    _temp = emptyString;
+#else
+    _temp.clear();
+#endif
+  }
+}
+
+void AsyncWebServerRequest::_handleUploadByte(uint8_t data, bool last) {
+  _itemBuffer[_itemBufferIndex++] = data;
+
+  if (last || _itemBufferIndex == RESPONSE_STREAM_BUFFER_SIZE) {
+    // check if authenticated before calling the upload
+    if (_handler) {
+      _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, false);
+    }
+    _itemBufferIndex = 0;
+  }
+}
+
+enum {
+  EXPECT_BOUNDARY,
+  PARSE_HEADERS,
+  WAIT_FOR_RETURN1,
+  EXPECT_FEED1,
+  EXPECT_DASH1,
+  EXPECT_DASH2,
+  BOUNDARY_OR_DATA,
+  DASH3_OR_RETURN2,
+  EXPECT_FEED2,
+  PARSING_FINISHED,
+  PARSE_ERROR
+};
+
+void AsyncWebServerRequest::_parseMultipartPostByte(uint8_t data, bool last) {
+#define itemWriteByte(b)          \
+  do {                            \
+    _itemSize++;                  \
+    if (_itemIsFile)              \
+      _handleUploadByte(b, last); \
+    else                          \
+      _itemValue += (char)(b);    \
+  } while (0)
+
+  if (!_parsedLength) {
+    _multiParseState = EXPECT_BOUNDARY;
+    _temp = emptyString;
+    _itemName = emptyString;
+    _itemFilename = emptyString;
+    _itemType = emptyString;
+  }
+
+  if (_multiParseState == WAIT_FOR_RETURN1) {
+    if (data != '\r') {
+      itemWriteByte(data);
+    } else {
+      _multiParseState = EXPECT_FEED1;
+    }
+  } else if (_multiParseState == EXPECT_BOUNDARY) {
+    if (_parsedLength < 2 && data != '-') {
+      _multiParseState = PARSE_ERROR;
+      return;
+    } else if (_parsedLength - 2 < _boundary.length() && _boundary.c_str()[_parsedLength - 2] != data) {
+      _multiParseState = PARSE_ERROR;
+      return;
+    } else if (_parsedLength - 2 == _boundary.length() && data != '\r') {
+      _multiParseState = PARSE_ERROR;
+      return;
+    } else if (_parsedLength - 3 == _boundary.length()) {
+      if (data != '\n') {
+        _multiParseState = PARSE_ERROR;
+        return;
+      }
+      _multiParseState = PARSE_HEADERS;
+      _itemIsFile = false;
+    }
+  } else if (_multiParseState == PARSE_HEADERS) {
+    if ((char)data != '\r' && (char)data != '\n') {
+      _temp += (char)data;
+    }
+    if ((char)data == '\n') {
+      if (_temp.length()) {
+        if (_temp.length() > 12 && _temp.substring(0, 12).equalsIgnoreCase(T_Content_Type)) {
+          _itemType = _temp.substring(14);
+          _itemIsFile = true;
+        } else if (_temp.length() > 19 && _temp.substring(0, 19).equalsIgnoreCase(T_Content_Disposition)) {
+          _temp = _temp.substring(_temp.indexOf(';') + 2);
+          while (_temp.indexOf(';') > 0) {
+            String name = _temp.substring(0, _temp.indexOf('='));
+            String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.indexOf(';') - 1);
+            if (name == T_name) {
+              _itemName = nameVal;
+            } else if (name == T_filename) {
+              _itemFilename = nameVal;
+              _itemIsFile = true;
+            }
+            _temp = _temp.substring(_temp.indexOf(';') + 2);
+          }
+          String name = _temp.substring(0, _temp.indexOf('='));
+          String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.length() - 1);
+          if (name == T_name) {
+            _itemName = nameVal;
+          } else if (name == T_filename) {
+            _itemFilename = nameVal;
+            _itemIsFile = true;
+          }
+        }
+        _temp = emptyString;
+      } else {
+        _multiParseState = WAIT_FOR_RETURN1;
+        // value starts from here
+        _itemSize = 0;
+        _itemStartIndex = _parsedLength;
+        _itemValue = emptyString;
+        if (_itemIsFile) {
+          if (_itemBuffer) {
+            free(_itemBuffer);
+          }
+          _itemBuffer = (uint8_t *)malloc(RESPONSE_STREAM_BUFFER_SIZE);
+          if (_itemBuffer == NULL) {
+#ifdef ESP32
+            log_e("Failed to allocate");
+#endif
+            _multiParseState = PARSE_ERROR;
+            abort();
+            return;
+          }
+          _itemBufferIndex = 0;
+        }
+      }
+    }
+  } else if (_multiParseState == EXPECT_FEED1) {
+    if (data != '\n') {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      _parseMultipartPostByte(data, last);
+    } else {
+      _multiParseState = EXPECT_DASH1;
+    }
+  } else if (_multiParseState == EXPECT_DASH1) {
+    if (data != '-') {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      itemWriteByte('\n');
+      _parseMultipartPostByte(data, last);
+    } else {
+      _multiParseState = EXPECT_DASH2;
+    }
+  } else if (_multiParseState == EXPECT_DASH2) {
+    if (data != '-') {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      itemWriteByte('\n');
+      itemWriteByte('-');
+      _parseMultipartPostByte(data, last);
+    } else {
+      _multiParseState = BOUNDARY_OR_DATA;
+      _boundaryPosition = 0;
+    }
+  } else if (_multiParseState == BOUNDARY_OR_DATA) {
+    if (_boundaryPosition < _boundary.length() && _boundary.c_str()[_boundaryPosition] != data) {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      itemWriteByte('\n');
+      itemWriteByte('-');
+      itemWriteByte('-');
+      uint8_t i;
+      for (i = 0; i < _boundaryPosition; i++) {
+        itemWriteByte(_boundary.c_str()[i]);
+      }
+      _parseMultipartPostByte(data, last);
+    } else if (_boundaryPosition == _boundary.length() - 1) {
+      _multiParseState = DASH3_OR_RETURN2;
+      if (!_itemIsFile) {
+        _params.emplace_back(_itemName, _itemValue, true);
+      } else {
+        if (_itemSize) {
+          if (_handler) {
+            _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true);
+          }
+          _itemBufferIndex = 0;
+          _params.emplace_back(_itemName, _itemFilename, true, true, _itemSize);
+        }
+        free(_itemBuffer);
+        _itemBuffer = NULL;
+      }
+
+    } else {
+      _boundaryPosition++;
+    }
+  } else if (_multiParseState == DASH3_OR_RETURN2) {
+    if (data == '-' && (_contentLength - _parsedLength - 4) != 0) {
+      // os_printf("ERROR: The parser got to the end of the POST but is expecting %u bytes more!\nDrop an issue so we can have more info on the matter!\n", _contentLength - _parsedLength - 4);
+      _contentLength = _parsedLength + 4;  // lets close the request gracefully
+    }
+    if (data == '\r') {
+      _multiParseState = EXPECT_FEED2;
+    } else if (data == '-' && _contentLength == (_parsedLength + 4)) {
+      _multiParseState = PARSING_FINISHED;
+    } else {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      itemWriteByte('\n');
+      itemWriteByte('-');
+      itemWriteByte('-');
+      uint8_t i;
+      for (i = 0; i < _boundary.length(); i++) {
+        itemWriteByte(_boundary.c_str()[i]);
+      }
+      _parseMultipartPostByte(data, last);
+    }
+  } else if (_multiParseState == EXPECT_FEED2) {
+    if (data == '\n') {
+      _multiParseState = PARSE_HEADERS;
+      _itemIsFile = false;
+    } else {
+      _multiParseState = WAIT_FOR_RETURN1;
+      itemWriteByte('\r');
+      itemWriteByte('\n');
+      itemWriteByte('-');
+      itemWriteByte('-');
+      uint8_t i;
+      for (i = 0; i < _boundary.length(); i++) {
+        itemWriteByte(_boundary.c_str()[i]);
+      }
+      itemWriteByte('\r');
+      _parseMultipartPostByte(data, last);
+    }
+  }
+}
+
+void AsyncWebServerRequest::_parseLine() {
+  if (_parseState == PARSE_REQ_START) {
+    if (!_temp.length()) {
+      _parseState = PARSE_REQ_FAIL;
+      abort();
+    } else {
+      if (_parseReqHead()) {
+        _parseState = PARSE_REQ_HEADERS;
+      } else {
+        _parseState = PARSE_REQ_FAIL;
+        abort();
+      }
+    }
+    return;
+  }
+
+  if (_parseState == PARSE_REQ_HEADERS) {
+    if (!_temp.length()) {
+      // end of headers
+      _server->_rewriteRequest(this);
+      _server->_attachHandler(this);
+      if (_expectingContinue) {
+        String response(T_HTTP_100_CONT);
+        _client->write(response.c_str(), response.length());
+      }
+      if (_contentLength) {
+        _parseState = PARSE_REQ_BODY;
+      } else {
+        _parseState = PARSE_REQ_END;
+        _runMiddlewareChain();
+        _send();
+      }
+    } else {
+      _parseReqHeader();
+    }
+  }
+}
+
+void AsyncWebServerRequest::_runMiddlewareChain() {
+  if (_handler && _handler->mustSkipServerMiddlewares()) {
+    _handler->_runChain(this, [this]() {
+      _handler->handleRequest(this);
+    });
+  } else {
+    _server->_runChain(this, [this]() {
+      if (_handler) {
+        _handler->_runChain(this, [this]() {
+          _handler->handleRequest(this);
+        });
+      }
+    });
+  }
+}
+
+void AsyncWebServerRequest::_send() {
+  if (!_sent && !_paused) {
+    // log_d("AsyncWebServerRequest::_send()");
+
+    // user did not create a response ?
+    if (!_response) {
+      send(501, T_text_plain, "Handler did not handle the request");
+    }
+
+    // response is not valid ?
+    if (!_response->_sourceValid()) {
+      send(500, T_text_plain, "Invalid data in handler");
+    }
+
+    // here, we either have a response give nfrom user or one of the two above
+    _client->setRxTimeout(0);
+    _response->_respond(this);
+    _sent = true;
+  }
+}
+
+AsyncWebServerRequestPtr AsyncWebServerRequest::pause() {
+  if (_paused) {
+    return _this;
+  }
+  client()->setRxTimeout(0);
+  // this shared ptr will hold the request pointer until it gets destroyed following a disconnect.
+  // this is just used as a holder providing weak observers, so the deleter is a no-op.
+  _this = std::shared_ptr<AsyncWebServerRequest>(this, doNotDelete);
+  _paused = true;
+  return _this;
+}
+
+void AsyncWebServerRequest::abort() {
+  if (!_sent) {
+    _sent = true;
+    _paused = false;
+    _this.reset();
+    // log_e("AsyncWebServerRequest::abort");
+    _client->abort();
+  }
+}
+
+size_t AsyncWebServerRequest::headers() const {
+  return _headers.size();
+}
+
+bool AsyncWebServerRequest::hasHeader(const char *name) const {
+  for (const auto &h : _headers) {
+    if (h.name().equalsIgnoreCase(name)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+#ifdef ESP8266
+bool AsyncWebServerRequest::hasHeader(const __FlashStringHelper *data) const {
+  return hasHeader(String(data));
+}
+#endif
+
+const AsyncWebHeader *AsyncWebServerRequest::getHeader(const char *name) const {
+  auto iter = std::find_if(std::begin(_headers), std::end(_headers), [&name](const AsyncWebHeader &header) {
+    return header.name().equalsIgnoreCase(name);
+  });
+  return (iter == std::end(_headers)) ? nullptr : &(*iter);
+}
+
+#ifdef ESP8266
+const AsyncWebHeader *AsyncWebServerRequest::getHeader(const __FlashStringHelper *data) const {
+  PGM_P p = reinterpret_cast<PGM_P>(data);
+  size_t n = strlen_P(p);
+  char *name = (char *)malloc(n + 1);
+  if (name) {
+    strcpy_P(name, p);
+    const AsyncWebHeader *result = getHeader(String(name));
+    free(name);
+    return result;
+  } else {
+    return nullptr;
+  }
+}
+#endif
+
+const AsyncWebHeader *AsyncWebServerRequest::getHeader(size_t num) const {
+  if (num >= _headers.size()) {
+    return nullptr;
+  }
+  return &(*std::next(_headers.cbegin(), num));
+}
+
+size_t AsyncWebServerRequest::getHeaderNames(std::vector<const char *> &names) const {
+  const size_t size = names.size();
+  for (const auto &h : _headers) {
+    names.push_back(h.name().c_str());
+  }
+  return names.size() - size;
+}
+
+bool AsyncWebServerRequest::removeHeader(const char *name) {
+  const size_t size = _headers.size();
+  _headers.remove_if([name](const AsyncWebHeader &header) {
+    return header.name().equalsIgnoreCase(name);
+  });
+  return size != _headers.size();
+}
+
+size_t AsyncWebServerRequest::params() const {
+  return _params.size();
+}
+
+bool AsyncWebServerRequest::hasParam(const char *name, bool post, bool file) const {
+  for (const auto &p : _params) {
+    if (p.name().equals(name) && p.isPost() == post && p.isFile() == file) {
+      return true;
+    }
+  }
+  return false;
+}
+
+const AsyncWebParameter *AsyncWebServerRequest::getParam(const char *name, bool post, bool file) const {
+  for (const auto &p : _params) {
+    if (p.name() == name && p.isPost() == post && p.isFile() == file) {
+      return &p;
+    }
+  }
+  return nullptr;
+}
+
+#ifdef ESP8266
+const AsyncWebParameter *AsyncWebServerRequest::getParam(const __FlashStringHelper *data, bool post, bool file) const {
+  return getParam(String(data), post, file);
+}
+#endif
+
+const AsyncWebParameter *AsyncWebServerRequest::getParam(size_t num) const {
+  if (num >= _params.size()) {
+    return nullptr;
+  }
+  return &(*std::next(_params.cbegin(), num));
+}
+
+const String &AsyncWebServerRequest::getAttribute(const char *name, const String &defaultValue) const {
+  auto it = _attributes.find(name);
+  return it != _attributes.end() ? it->second : defaultValue;
+}
+bool AsyncWebServerRequest::getAttribute(const char *name, bool defaultValue) const {
+  auto it = _attributes.find(name);
+  return it != _attributes.end() ? it->second == "1" : defaultValue;
+}
+long AsyncWebServerRequest::getAttribute(const char *name, long defaultValue) const {
+  auto it = _attributes.find(name);
+  return it != _attributes.end() ? it->second.toInt() : defaultValue;
+}
+float AsyncWebServerRequest::getAttribute(const char *name, float defaultValue) const {
+  auto it = _attributes.find(name);
+  return it != _attributes.end() ? it->second.toFloat() : defaultValue;
+}
+double AsyncWebServerRequest::getAttribute(const char *name, double defaultValue) const {
+  auto it = _attributes.find(name);
+  return it != _attributes.end() ? it->second.toDouble() : defaultValue;
+}
+
+AsyncWebServerResponse *AsyncWebServerRequest::beginResponse(int code, const char *contentType, const char *content, AwsTemplateProcessor callback) {
+  if (callback) {
+    return new AsyncProgmemResponse(code, contentType, (const uint8_t *)content, strlen(content), callback);
+  }
+  return new AsyncBasicResponse(code, contentType, content);
+}
+
+AsyncWebServerResponse *
+  AsyncWebServerRequest::beginResponse(int code, const char *contentType, const uint8_t *content, size_t len, AwsTemplateProcessor callback) {
+  return new AsyncProgmemResponse(code, contentType, content, len, callback);
+}
+
+AsyncWebServerResponse *
+  AsyncWebServerRequest::beginResponse(FS &fs, const String &path, const char *contentType, bool download, AwsTemplateProcessor callback) {
+  if (fs.exists(path) || (!download && fs.exists(path + T__gz))) {
+    return new AsyncFileResponse(fs, path, contentType, download, callback);
+  }
+  return NULL;
+}
+
+AsyncWebServerResponse *
+  AsyncWebServerRequest::beginResponse(File content, const String &path, const char *contentType, bool download, AwsTemplateProcessor callback) {
+  if (content == true) {
+    return new AsyncFileResponse(content, path, contentType, download, callback);
+  }
+  return NULL;
+}
+
+AsyncWebServerResponse *AsyncWebServerRequest::beginResponse(Stream &stream, const char *contentType, size_t len, AwsTemplateProcessor callback) {
+  return new AsyncStreamResponse(stream, contentType, len, callback);
+}
+
+AsyncWebServerResponse *
+  AsyncWebServerRequest::beginResponse(const char *contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback) {
+  return new AsyncCallbackResponse(contentType, len, callback, templateCallback);
+}
+
+AsyncWebServerResponse *
+  AsyncWebServerRequest::beginChunkedResponse(const char *contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback) {
+  if (_version) {
+    return new AsyncChunkedResponse(contentType, callback, templateCallback);
+  }
+  return new AsyncCallbackResponse(contentType, 0, callback, templateCallback);
+}
+
+AsyncResponseStream *AsyncWebServerRequest::beginResponseStream(const char *contentType, size_t bufferSize) {
+  return new AsyncResponseStream(contentType, bufferSize);
+}
+
+AsyncWebServerResponse *AsyncWebServerRequest::beginResponse_P(int code, const String &contentType, PGM_P content, AwsTemplateProcessor callback) {
+  return new AsyncProgmemResponse(code, contentType, (const uint8_t *)content, strlen_P(content), callback);
+}
+
+void AsyncWebServerRequest::send(AsyncWebServerResponse *response) {
+  // request is already sent on the wire ?
+  if (_sent) {
+    return;
+  }
+
+  // if we already had a response, delete it and replace it with the new one
+  if (_response) {
+    delete _response;
+  }
+  _response = response;
+
+  // if request was paused, we need to send the response now
+  if (_paused) {
+    _paused = false;
+    _send();
+  }
+}
+
+void AsyncWebServerRequest::redirect(const char *url, int code) {
+  AsyncWebServerResponse *response = beginResponse(code);
+  response->addHeader(T_LOCATION, url);
+  send(response);
+}
+
+bool AsyncWebServerRequest::authenticate(const char *username, const char *password, const char *realm, bool passwordIsHash) const {
+  if (_authorization.length()) {
+    if (_authMethod == AsyncAuthType::AUTH_DIGEST) {
+      return checkDigestAuthentication(_authorization.c_str(), methodToString(), username, password, realm, passwordIsHash, NULL, NULL, NULL);
+    } else if (!passwordIsHash) {
+      return checkBasicAuthentication(_authorization.c_str(), username, password);
+    } else {
+      return _authorization.equals(password);
+    }
+  }
+  return false;
+}
+
+bool AsyncWebServerRequest::authenticate(const char *hash) const {
+  if (!_authorization.length() || hash == NULL) {
+    return false;
+  }
+
+  if (_authMethod == AsyncAuthType::AUTH_DIGEST) {
+    String hStr = String(hash);
+    int separator = hStr.indexOf(':');
+    if (separator <= 0) {
+      return false;
+    }
+    String username = hStr.substring(0, separator);
+    hStr = hStr.substring(separator + 1);
+    separator = hStr.indexOf(':');
+    if (separator <= 0) {
+      return false;
+    }
+    String realm = hStr.substring(0, separator);
+    hStr = hStr.substring(separator + 1);
+    return checkDigestAuthentication(_authorization.c_str(), methodToString(), username.c_str(), hStr.c_str(), realm.c_str(), true, NULL, NULL, NULL);
+  }
+
+  // Basic Auth, Bearer Auth, or other
+  return (_authorization.equals(hash));
+}
+
+void AsyncWebServerRequest::requestAuthentication(AsyncAuthType method, const char *realm, const char *_authFailMsg) {
+  if (!realm) {
+    realm = T_LOGIN_REQ;
+  }
+
+  AsyncWebServerResponse *r = _authFailMsg ? beginResponse(401, T_text_html, _authFailMsg) : beginResponse(401);
+
+  switch (method) {
+    case AsyncAuthType::AUTH_BASIC:
+    {
+      String header;
+      if (header.reserve(strlen(T_BASIC_REALM) + strlen(realm) + 1)) {
+        header.concat(T_BASIC_REALM);
+        header.concat(realm);
+        header.concat('"');
+        r->addHeader(T_WWW_AUTH, header.c_str());
+      } else {
+#ifdef ESP32
+        log_e("Failed to allocate");
+#endif
+        abort();
+      }
+
+      break;
+    }
+    case AsyncAuthType::AUTH_DIGEST:
+    {
+      size_t len = strlen(T_DIGEST_) + strlen(T_realm__) + strlen(T_auth_nonce) + 32 + strlen(T__opaque) + 32 + 1;
+      String header;
+      if (header.reserve(len + strlen(realm))) {
+        const String nonce = genRandomMD5();
+        const String opaque = genRandomMD5();
+        if (nonce.length() && opaque.length()) {
+          header.concat(T_DIGEST_);
+          header.concat(T_realm__);
+          header.concat(realm);
+          header.concat(T_auth_nonce);
+          header.concat(nonce);
+          header.concat(T__opaque);
+          header.concat(opaque);
+          header.concat((char)0x22);  // '"'
+          r->addHeader(T_WWW_AUTH, header.c_str());
+        } else {
+#ifdef ESP32
+          log_e("Failed to allocate");
+#endif
+          abort();
+        }
+      }
+      break;
+    }
+    default: break;
+  }
+
+  send(r);
+}
+
+bool AsyncWebServerRequest::hasArg(const char *name) const {
+  for (const auto &arg : _params) {
+    if (arg.name() == name) {
+      return true;
+    }
+  }
+  return false;
+}
+
+#ifdef ESP8266
+bool AsyncWebServerRequest::hasArg(const __FlashStringHelper *data) const {
+  return hasArg(String(data).c_str());
+}
+#endif
+
+const String &AsyncWebServerRequest::arg(const char *name) const {
+  for (const auto &arg : _params) {
+    if (arg.name() == name) {
+      return arg.value();
+    }
+  }
+  return emptyString;
+}
+
+#ifdef ESP8266
+const String &AsyncWebServerRequest::arg(const __FlashStringHelper *data) const {
+  return arg(String(data).c_str());
+}
+#endif
+
+const String &AsyncWebServerRequest::arg(size_t i) const {
+  return getParam(i)->value();
+}
+
+const String &AsyncWebServerRequest::argName(size_t i) const {
+  return getParam(i)->name();
+}
+
+const String &AsyncWebServerRequest::pathArg(size_t i) const {
+  if (i >= _pathParams.size()) {
+    return emptyString;
+  }
+  auto it = _pathParams.begin();
+  std::advance(it, i);
+  return *it;
+}
+
+const String &AsyncWebServerRequest::header(const char *name) const {
+  const AsyncWebHeader *h = getHeader(name);
+  return h ? h->value() : emptyString;
+}
+
+#ifdef ESP8266
+const String &AsyncWebServerRequest::header(const __FlashStringHelper *data) const {
+  return header(String(data).c_str());
+};
+#endif
+
+const String &AsyncWebServerRequest::header(size_t i) const {
+  const AsyncWebHeader *h = getHeader(i);
+  return h ? h->value() : emptyString;
+}
+
+const String &AsyncWebServerRequest::headerName(size_t i) const {
+  const AsyncWebHeader *h = getHeader(i);
+  return h ? h->name() : emptyString;
+}
+
+String AsyncWebServerRequest::urlDecode(const String &text) const {
+  char temp[] = "0x00";
+  unsigned int len = text.length();
+  unsigned int i = 0;
+  String decoded;
+  // Allocate the string internal buffer - never longer from source text
+  if (!decoded.reserve(len)) {
+#ifdef ESP32
+    log_e("Failed to allocate");
+#endif
+    return emptyString;
+  }
+  while (i < len) {
+    char decodedChar;
+    char encodedChar = text.charAt(i++);
+    if ((encodedChar == '%') && (i + 1 < len)) {
+      temp[2] = text.charAt(i++);
+      temp[3] = text.charAt(i++);
+      decodedChar = strtol(temp, NULL, 16);
+    } else if (encodedChar == '+') {
+      decodedChar = ' ';
+    } else {
+      decodedChar = encodedChar;  // normal ascii char
+    }
+    decoded.concat(decodedChar);
+  }
+  return decoded;
+}
+
+const char *AsyncWebServerRequest::methodToString() const {
+  if (_method == HTTP_ANY) {
+    return T_ANY;
+  }
+  if (_method & HTTP_GET) {
+    return T_GET;
+  }
+  if (_method & HTTP_POST) {
+    return T_POST;
+  }
+  if (_method & HTTP_DELETE) {
+    return T_DELETE;
+  }
+  if (_method & HTTP_PUT) {
+    return T_PUT;
+  }
+  if (_method & HTTP_PATCH) {
+    return T_PATCH;
+  }
+  if (_method & HTTP_HEAD) {
+    return T_HEAD;
+  }
+  if (_method & HTTP_OPTIONS) {
+    return T_OPTIONS;
+  }
+  return T_UNKNOWN;
+}
+
+const char *AsyncWebServerRequest::requestedConnTypeToString() const {
+  switch (_reqconntype) {
+    case RCT_NOT_USED: return T_RCT_NOT_USED;
+    case RCT_DEFAULT:  return T_RCT_DEFAULT;
+    case RCT_HTTP:     return T_RCT_HTTP;
+    case RCT_WS:       return T_RCT_WS;
+    case RCT_EVENT:    return T_RCT_EVENT;
+    default:           return T_ERROR;
+  }
+}
+
+bool AsyncWebServerRequest::isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2, RequestedConnectionType erct3) const {
+  return ((erct1 != RCT_NOT_USED) && (erct1 == _reqconntype)) || ((erct2 != RCT_NOT_USED) && (erct2 == _reqconntype))
+         || ((erct3 != RCT_NOT_USED) && (erct3 == _reqconntype));
+}