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ESPAsyncWebServer
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Me No Dev 2015-12-19 18:53:33 +02:00
commit b1f276a1a7
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keywords.txt Executable file
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JsonArray KEYWORD1
add KEYWORD2
createArray KEYWORD3

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library.properties Normal file
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name=ESP8266 Async Web Server
version=1.0.0
author=ESP8266
maintainer=Me-No-Dev
sentence=Async Web Server for ESP8266
paragraph=Async Web Server for ESP8266
category=Other
url=https://github.com/me-no-dev/ESPAsyncWebServer
architectures=*

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src/AsyncWebServerHandlerImpl.h Normal file
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/*
* AsyncWebServerHandlerImpl.h
*
* Created on: 19.12.2015 г.
* Author: ficeto
*/
#ifndef ASYNCWEBSERVERHANDLERIMPL_H_
#define ASYNCWEBSERVERHANDLERIMPL_H_
#include "stddef.h"
class AsyncStaticWebHandler: public AsyncWebHandler {
private:
protected:
FS _fs;
String _uri;
String _path;
String _cache_header;
bool _isFile;
public:
AsyncStaticWebHandler(FS& fs, const char* path, const char* uri, const char* cache_header)
: _fs(fs), _uri(uri), _path(path), _cache_header(cache_header){
_isFile = _fs.exists(path);
}
bool canHandle(AsyncWebServerRequest *request);
void handleRequest(AsyncWebServerRequest *request);
};
class AsyncCallbackWebHandler: public AsyncWebHandler {
private:
protected:
String _uri;
WebRequestMethod _method;
ArRequestHandlerFunction _onRequest;
ArUploadHandlerFunction _onUpload;
ArBodyHandlerFunction _onBody;
public:
AsyncCallbackWebHandler() : _uri(), _method(HTTP_ANY), _onRequest(NULL), _onUpload(NULL), _onBody(NULL){}
void setUri(String uri){ _uri = uri; }
void setMethod(WebRequestMethod method){ _method = method; }
void onRequest(ArRequestHandlerFunction fn){ _onRequest = fn; }
void onUpload(ArUploadHandlerFunction fn){ _onUpload = fn; }
void onBody(ArBodyHandlerFunction fn){ _onBody = fn; }
bool canHandle(AsyncWebServerRequest *request){
if(!_onRequest)
return false;
if(_method != HTTP_ANY && request->method() != _method)
return false;
if(_uri.length() > 1 && (_uri != request->url() && !request->url().startsWith(_uri+"/")))
return false;
return true;
}
void handleRequest(AsyncWebServerRequest *request){
if(_onRequest)
_onRequest(request);
else
request->send(500);
}
void handleUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final){
if(_onUpload)
_onUpload(request, filename, index, data, len, final);
}
void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total){
if(_onBody)
_onBody(request, data, len, index, total);
}
};
#endif /* ASYNCWEBSERVERHANDLERIMPL_H_ */

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src/AsyncWebServerResponseImpl.h Normal file
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/*
* AsyncWebImpl.h
*
* Created on: 19.12.2015 г.
* Author: ficeto
*/
#ifndef ASYNCWEBSERVERRESPONSEIMPL_H_
#define ASYNCWEBSERVERRESPONSEIMPL_H_
class AsyncBasicResponse: public AsyncWebServerResponse {
private:
String _content;
public:
AsyncBasicResponse(int code, String contentType=String(), String content=String());
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
class AsyncFileResponse: public AsyncWebServerResponse {
private:
File _content;
String _path;
String _head;
void _setContentType(String path);
public:
AsyncFileResponse(FS &fs, String path, String contentType=String(), bool download=false);
~AsyncFileResponse();
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
class AsyncStreamResponse: public AsyncWebServerResponse {
private:
Stream *_content;
String _head;
public:
AsyncStreamResponse(Stream &stream, String contentType, size_t len);
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
class AsyncCallbackResponse: public AsyncWebServerResponse {
private:
AwsResponseFiller _content;
String _head;
public:
AsyncCallbackResponse(String contentType, size_t len, AwsResponseFiller callback);
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
#endif /* ASYNCWEBSERVERRESPONSEIMPL_H_ */

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src/ESPAsyncWebServer.h Normal file
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#ifndef _AsyncWebServer_H_
#define _AsyncWebServer_H_
#include "Arduino.h"
#include <functional>
#include <ESPAsyncTCP.h>
#include <FS.h>
#include "StringArray.h"
class AsyncWebServer;
class AsyncWebServerRequest;
class AsyncWebServerResponse;
class AsyncWebHeader;
class AsyncWebParameter;
class AsyncWebHandler;
typedef enum {
HTTP_ANY, HTTP_GET, HTTP_POST, HTTP_DELETE, HTTP_PUT, HTTP_PATCH, HTTP_HEAD, HTTP_OPTIONS
} WebRequestMethod;
/*
* PARAMETER :: Chainable object to hold GET/POST and FILE parameters
* */
class AsyncWebParameter {
private:
String _name;
String _value;
size_t _size;
bool _isForm;
bool _isFile;
public:
AsyncWebParameter *next;
AsyncWebParameter(String name, String value, bool form=false, bool file=false, size_t size=0): _name(name), _value(value), _size(size), _isForm(form), _isFile(file), next(NULL){}
String name(){ return _name; }
String value(){ return _value; }
size_t size(){ return _size; }
bool isPost(){ return _isForm; }
bool isFile(){ return _isFile; }
};
/*
* HEADER :: Chainable object to hold the headers
* */
class AsyncWebHeader {
private:
String _name;
String _value;
public:
AsyncWebHeader *next;
AsyncWebHeader(String name, String value): _name(name), _value(value), next(NULL){}
AsyncWebHeader(String data): _name(), _value(), next(NULL){
if(!data || !data.length() || data.indexOf(':') < 0)
return;
_name = data.substring(0, data.indexOf(':'));
_value = data.substring(data.indexOf(':') + 2);
}
~AsyncWebHeader(){}
String name(){ return _name; }
String value(){ return _value; }
String toString(){ return String(_name+": "+_value+"\r\n"); }
};
/*
* REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect
* */
typedef std::function<size_t(uint8_t*, size_t, size_t)> AwsResponseFiller;
class AsyncWebServerRequest {
private:
AsyncClient* _client;
AsyncWebServer* _server;
AsyncWebHandler* _handler;
AsyncWebServerResponse* _response;
StringArray* _interestingHeaders;
String _temp;
uint8_t _parseState;
WebRequestMethod _method;
String _url;
String _host;
String _contentType;
String _boundary;
String _authorization;
bool _isMultipart;
bool _isPlainPost;
bool _expectingContinue;
size_t _contentLength;
size_t _parsedLength;
AsyncWebHeader *_headers;
AsyncWebParameter *_params;
uint8_t _multiParseState;
uint8_t _boundaryPosition;
size_t _itemStartIndex;
size_t _itemSize;
String _itemName;
String _itemFilename;
String _itemType;
String _itemValue;
uint8_t *_itemBuffer;
size_t _itemBufferIndex;
bool _itemIsFile;
void _onPoll();
void _onAck(size_t len, uint32_t time);
void _onError(err_t error);
void _onTimeout(uint32_t time);
void _onDisconnect();
void _onData(void *buf, size_t len);
void _addParam(AsyncWebParameter*);
String _urlDecode(const String& text);
bool _parseReqHead();
bool _parseReqHeader();
void _parseLine();
void _parseByte(uint8_t data);
void _parsePlainPostChar(uint8_t data);
void _parseMultipartPostByte(uint8_t data, bool last);
void _addGetParam(String param);
void _handleUploadStart();
void _handleUploadByte(uint8_t data, bool last);
void _handleUploadEnd();
public:
File _tempFile;
AsyncWebServerRequest(AsyncWebServer*, AsyncClient*);
~AsyncWebServerRequest();
AsyncClient* client(){ return _client; }
WebRequestMethod method(){ return _method; }
String url(){ return _url; }
String host(){ return _host; }
String contentType(){ return _contentType; }
size_t contentLength(){ return _contentLength; }
bool multipart(){ return _isMultipart; }
bool authenticate(const char * username, const char * password);
bool authenticate(const char * hash);
void requestAuthentication();
void setHandler(AsyncWebHandler *handler){ _handler = handler; }
void addInterestingHeader(String name);
void send(AsyncWebServerResponse *response);
void send(int code, String contentType=String(), String content=String());
void send(FS &fs, String path, String contentType=String(), bool download=false);
void send(Stream &stream, String contentType, size_t len);
void send(String contentType, size_t len, AwsResponseFiller callback);
AsyncWebServerResponse *beginResponse(int code, String contentType=String(), String content=String());
AsyncWebServerResponse *beginResponse(FS &fs, String path, String contentType=String(), bool download=false);
AsyncWebServerResponse *beginResponse(Stream &stream, String contentType, size_t len);
AsyncWebServerResponse *beginResponse(String contentType, size_t len, AwsResponseFiller callback);
int headers(); // get header count
bool hasHeader(String name);
AsyncWebHeader* getHeader(String name);
AsyncWebHeader* getHeader(int num);
int params(); // get arguments count
bool hasParam(String name, bool post=false, bool file=false);
AsyncWebParameter* getParam(String name, bool post=false, bool file=false);
AsyncWebParameter* getParam(int num);
int args(){ return params(); } // get arguments count
String arg(const char* name); // get request argument value by name
String arg(int i); // get request argument value by number
String argName(int i); // get request argument name by number
bool hasArg(const char* name); // check if argument exists
String header(const char* name); // get request header value by name
String header(int i); // get request header value by number
String headerName(int i); // get request header name by number
bool hasHeader(const char* name); // check if header exists
};
/*
* HANDLER :: One instance can be attached to any Request (done by the Server)
* */
class AsyncWebHandler {
public:
AsyncWebHandler* next;
AsyncWebHandler(): next(NULL){}
virtual ~AsyncWebHandler(){}
virtual bool canHandle(AsyncWebServerRequest *request){ return false; }
virtual void handleRequest(AsyncWebServerRequest *request){}
virtual void handleUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final){}
virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total){}
};
/*
* RESPONSE :: One instance is created for each Request (attached by the Handler)
* */
typedef enum {
RESPONSE_SETUP, RESPONSE_HEADERS, RESPONSE_CONTENT, RESPONSE_WAIT_ACK, RESPONSE_END, RESPONSE_FAILED
} WebResponseState;
class AsyncWebServerResponse {
protected:
int _code;
AsyncWebHeader *_headers;
String _contentType;
size_t _contentLength;
size_t _headLength;
size_t _sentLength;
size_t _ackedLength;
WebResponseState _state;
const char* _responseCodeToString(int code);
public:
AsyncWebServerResponse();
virtual ~AsyncWebServerResponse();
virtual void addHeader(String name, String value);
virtual String _assembleHead();
virtual bool _finished();
virtual bool _failed();
virtual void _respond(AsyncWebServerRequest *request);
virtual size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
/*
* SERVER :: One instance
* */
typedef std::function<void(AsyncWebServerRequest *request)> ArRequestHandlerFunction;
typedef std::function<void(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final)> ArUploadHandlerFunction;
typedef std::function<void(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total)> ArBodyHandlerFunction;
class AsyncWebServer {
private:
AsyncServer _server;
AsyncWebHandler* _handlers;
AsyncWebHandler* _catchAllHandler;
public:
AsyncWebServer(uint16_t port);
~AsyncWebServer(){}
void begin();
void addHandler(AsyncWebHandler* handler);
void on(const char* uri, ArRequestHandlerFunction onRequest);
void on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest);
void on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload);
void on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody);
void serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_header = NULL);
void onNotFound(ArRequestHandlerFunction fn); //called when handler is not assigned
void onFileUpload(ArUploadHandlerFunction fn); //handle file uploads
void onRequestBody(ArBodyHandlerFunction fn); //handle posts with plain body content (JSON often transmitted this way as a request)
void _handleDisconnect(AsyncWebServerRequest *request);
void _handleRequest(AsyncWebServerRequest *request);
};
#endif /* _AsyncWebServer_H_ */

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/*
* StringArray.h
*
* Created on: 18.12.2015 г.
* Author: ficeto
*/
#ifndef STRINGARRAY_H_
#define STRINGARRAY_H_
#include "stddef.h"
#include "String.h"
class StringArrayItem;
class StringArrayItem {
private:
String _string;
public:
StringArrayItem *next;
StringArrayItem(String str):_string(str), next(NULL){}
~StringArrayItem(){}
String string(){ return _string; }
};
class StringArray {
private:
StringArrayItem *_items;
public:
StringArray():_items(NULL){}
StringArray(StringArrayItem *items):_items(items){}
~StringArray(){}
StringArrayItem *items(){
return _items;
}
void add(String str){
StringArrayItem *it = new StringArrayItem(str);
if(_items == NULL){
_items = it;
} else {
StringArrayItem *i = _items;
while(i->next != NULL) i = i->next;
i->next = it;
}
}
size_t length(){
size_t i = 0;
StringArrayItem *it = _items;
while(it != NULL){
i++;
it = it->next;
}
return i;
}
bool contains(String str){
StringArrayItem *it = _items;
while(it != NULL){
if(it->string() == str)
return true;
it = it->next;
}
return false;
}
String get(size_t index){
size_t i = 0;
StringArrayItem *it = _items;
while(it != NULL){
if(i++ == index)
return it->string();
it = it->next;
}
return String();
}
bool remove(size_t index){
StringArrayItem *it = _items;
if(!index){
if(_items == NULL)
return false;
_items = _items->next;
delete it;
return true;
}
size_t i = 0;
StringArrayItem *pit = _items;
while(it != NULL){
if(i++ == index){
pit->next = it->next;
delete it;
return true;
}
pit = it;
it = it->next;
}
return false;
}
bool remove(String str){
StringArrayItem *it = _items;
StringArrayItem *pit = _items;
while(it != NULL){
if(it->string() == str){
if(it == _items){
_items = _items->next;
} else {
pit->next = it->next;
}
delete it;
return true;
}
pit = it;
it = it->next;
}
return false;
}
void free(){
StringArrayItem *it;
while(_items != NULL){
it = _items;
_items = _items->next;
delete it;
}
}
};
#endif /* STRINGARRAY_H_ */

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/*
* WebHandlers.cpp
*
* Created on: 18.12.2015 г.
* Author: ficeto
*/
#include "ESPAsyncWebServer.h"
#include "AsyncWebServerHandlerImpl.h"
bool AsyncStaticWebHandler::canHandle(AsyncWebServerRequest *request){
if(request->method() != HTTP_GET)
return false;
if ((_isFile && request->url() != _uri) || !request->url().startsWith(_uri))
return false;
return true;
}
void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest *request){
String path = request->url();
if(!_isFile){
if(_uri != "/"){
path = path.substring(_uri.length());
if(!path.length())
path = "/";
}
if(path.endsWith("/"))
path += "index.htm";
}
if(_fs.exists(path) || _fs.exists(path+".gz")){
AsyncWebServerResponse * response = request->beginResponse(_fs, path);
if (_cache_header.length() != 0)
response->addHeader("Cache-Control", _cache_header);
request->send(response);
} else
request->send(404);
path = String();
}

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#include "ESPAsyncWebServer.h"
#include "AsyncWebServerResponseImpl.h"
/*
* Abstract Response
* */
const char* AsyncWebServerResponse::_responseCodeToString(int code) {
switch (code) {
case 100: return "Continue";
case 101: return "Switching Protocols";
case 200: return "OK";
case 201: return "Created";
case 202: return "Accepted";
case 203: return "Non-Authoritative Information";
case 204: return "No Content";
case 205: return "Reset Content";
case 206: return "Partial Content";
case 300: return "Multiple Choices";
case 301: return "Moved Permanently";
case 302: return "Found";
case 303: return "See Other";
case 304: return "Not Modified";
case 305: return "Use Proxy";
case 307: return "Temporary Redirect";
case 400: return "Bad Request";
case 401: return "Unauthorized";
case 402: return "Payment Required";
case 403: return "Forbidden";
case 404: return "Not Found";
case 405: return "Method Not Allowed";
case 406: return "Not Acceptable";
case 407: return "Proxy Authentication Required";
case 408: return "Request Time-out";
case 409: return "Conflict";
case 410: return "Gone";
case 411: return "Length Required";
case 412: return "Precondition Failed";
case 413: return "Request Entity Too Large";
case 414: return "Request-URI Too Large";
case 415: return "Unsupported Media Type";
case 416: return "Requested range not satisfiable";
case 417: return "Expectation Failed";
case 500: return "Internal Server Error";
case 501: return "Not Implemented";
case 502: return "Bad Gateway";
case 503: return "Service Unavailable";
case 504: return "Gateway Time-out";
case 505: return "HTTP Version not supported";
default: return "";
}
}
AsyncWebServerResponse::AsyncWebServerResponse()
:_code(0)
,_headers(NULL)
,_contentType()
,_contentLength(0)
,_headLength(0)
,_sentLength(0)
,_ackedLength(0)
,_state(RESPONSE_SETUP)
{
addHeader("Connection","close");
addHeader("Access-Control-Allow-Origin","*");
}
AsyncWebServerResponse::~AsyncWebServerResponse(){
while(_headers != NULL){
AsyncWebHeader *h = _headers;
_headers = h->next;
delete h;
}
}
void AsyncWebServerResponse::addHeader(String name, String value){
AsyncWebHeader *header = new AsyncWebHeader(name, value);
if(_headers == NULL){
_headers = header;
} else {
AsyncWebHeader *h = _headers;
while(h->next != NULL) h = h->next;
h->next = header;
}
}
String AsyncWebServerResponse::_assembleHead(){
String out = "HTTP/1.1 " + String(_code) + " " + _responseCodeToString(_code) + "\r\n";
out += "Content-Length: " + String(_contentLength) + "\r\n";
if(_contentType.length()){
out += "Content-Type: " + _contentType + "\r\n";
}
AsyncWebHeader *h;
while(_headers != NULL){
h = _headers;
_headers = _headers->next;
out += h->toString();
delete h;
}
out += "\r\n";
_headLength = out.length();
return out;
}
bool AsyncWebServerResponse::_finished(){ return _state > RESPONSE_WAIT_ACK; }
bool AsyncWebServerResponse::_failed(){ return _state == RESPONSE_FAILED; }
void AsyncWebServerResponse::_respond(AsyncWebServerRequest *request){ _state = RESPONSE_END; request->client()->close(); }
size_t AsyncWebServerResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ return 0; }
/*
* String/Code Response
* */
AsyncBasicResponse::AsyncBasicResponse(int code, String contentType, String content){
_code = code;
_content = content;
_contentType = contentType;
if(_content.length()){
_contentLength = _content.length();
if(!_contentType.length())
_contentType = "text/plain";
}
}
void AsyncBasicResponse::_respond(AsyncWebServerRequest *request){
_state = RESPONSE_HEADERS;
String out = _assembleHead();
size_t outLen = out.length();
size_t space = request->client()->space();
if(!_contentLength && space >= outLen){
request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if(_contentLength && space >= outLen + _contentLength){
out += _content;
outLen += _contentLength;
request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if(space && space < out.length()){
String partial = out.substring(0, space);
_content = out.substring(space) + _content;
_contentLength += outLen - space;
request->client()->write(partial.c_str(), partial.length());
_state = RESPONSE_CONTENT;
} else if(space > outLen && space < (outLen + _contentLength)){
size_t shift = space - outLen;
outLen += shift;
_sentLength += shift;
out += _content.substring(0, shift);
_content = _content.substring(shift);
request->client()->write(out.c_str(), outLen);
_state = RESPONSE_CONTENT;
} else {
_content = out + _content;
_contentLength += outLen;
_state = RESPONSE_CONTENT;
}
}
size_t AsyncBasicResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
_ackedLength += len;
if(_state == RESPONSE_CONTENT){
size_t available = _contentLength - _sentLength;
size_t space = request->client()->space();
//we can fit in this packet
if(space > available){
request->client()->write(_content.c_str(), available);
_content = String();
_state = RESPONSE_WAIT_ACK;
return available;
}
//send some data, the rest on ack
String out = _content.substring(0, space);
_content = _content.substring(space);
_sentLength += space;
request->client()->write(out.c_str(), space);
return space;
} else if(_state == RESPONSE_WAIT_ACK){
if(_ackedLength >= (_headLength+_contentLength)){
_state = RESPONSE_END;
}
}
return 0;
}
/*
* File Response
* */
AsyncFileResponse::~AsyncFileResponse(){
if(_content)
_content.close();
}
void AsyncFileResponse::_setContentType(String path){
if (path.endsWith(".html")) _contentType = "text/html";
else if (path.endsWith(".htm")) _contentType = "text/html";
else if (path.endsWith(".css")) _contentType = "text/css";
else if (path.endsWith(".txt")) _contentType = "text/plain";
else if (path.endsWith(".js")) _contentType = "application/javascript";
else if (path.endsWith(".png")) _contentType = "image/png";
else if (path.endsWith(".gif")) _contentType = "image/gif";
else if (path.endsWith(".jpg")) _contentType = "image/jpeg";
else if (path.endsWith(".ico")) _contentType = "image/x-icon";
else if (path.endsWith(".svg")) _contentType = "image/svg+xml";
else if (path.endsWith(".xml")) _contentType = "text/xml";
else if (path.endsWith(".pdf")) _contentType = "application/pdf";
else if (path.endsWith(".zip")) _contentType = "application/zip";
else if(path.endsWith(".gz")) _contentType = "application/x-gzip";
else _contentType = "application/octet-stream";
}
AsyncFileResponse::AsyncFileResponse(FS &fs, String path, String contentType, bool download){
_code = 200;
_path = path;
if(!download && !fs.exists(_path) && fs.exists(_path+".gz")){
_path = _path+".gz";
addHeader("Content-Encoding", "gzip");
}
if(download)
_contentType = "application/octet-stream";
else
_setContentType(path);
_content = fs.open(_path, "r");
_contentLength = _content.size();
}
void AsyncFileResponse::_respond(AsyncWebServerRequest *request){
if(!_content){
_state = RESPONSE_FAILED;
request->send(500);
return;
}
_head = _assembleHead();
_state = RESPONSE_HEADERS;
size_t outLen = _head.length();
size_t space = request->client()->space();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
out = String();
}
}
size_t AsyncFileResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
if(!_content){
_state = RESPONSE_FAILED;
request->client()->close();
return 0;
}
_ackedLength += len;
size_t space = request->client()->space();
if(_state == RESPONSE_CONTENT){
size_t remaining = _contentLength - _sentLength;
size_t outLen = (remaining > space)?space:remaining;
uint8_t *buf = (uint8_t *)os_malloc(outLen);
_content.read(buf, outLen);
request->client()->write((const char*)buf, outLen);
_sentLength += outLen;
os_free(buf);
if(_sentLength == _contentLength){
_state = RESPONSE_WAIT_ACK;
}
return outLen;
} else if(_state == RESPONSE_HEADERS){
size_t outLen = _head.length();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
return outLen;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
return out.length();
}
} else if(_state == RESPONSE_WAIT_ACK){
if(_ackedLength >= (_headLength+_contentLength)){
_state = RESPONSE_END;
}
}
return 0;
}
/*
* Stream Response
* */
AsyncStreamResponse::AsyncStreamResponse(Stream &stream, String contentType, size_t len){
_code = 200;
_content = &stream;
_contentLength = len;
_contentType = contentType;
}
void AsyncStreamResponse::_respond(AsyncWebServerRequest *request){
if(!_content){
_state = RESPONSE_FAILED;
request->send(500);
return;
}
_head = _assembleHead();
_state = RESPONSE_HEADERS;
size_t outLen = _head.length();
size_t space = request->client()->space();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
out = String();
}
}
size_t AsyncStreamResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
if(!_content){
_state = RESPONSE_FAILED;
request->client()->close();
return 0;
}
_ackedLength += len;
size_t space = request->client()->space();
if(_state == RESPONSE_CONTENT){
size_t remaining = _contentLength - _sentLength;
size_t available = _content->available();
available = (remaining >= available)?available:remaining;
size_t outLen = (available > space)?space:available;
uint8_t *buf = (uint8_t *)os_malloc(outLen);
size_t i;
for(i=0;i<outLen;i++)
buf[i] = _content->read();
request->client()->write((const char*)buf, outLen);
_sentLength += outLen;
os_free(buf);
if(_sentLength == _contentLength){
_state = RESPONSE_WAIT_ACK;
}
return outLen;
} else if(_state == RESPONSE_HEADERS){
size_t outLen = _head.length();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
return outLen;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
return out.length();
}
} else if(_state == RESPONSE_WAIT_ACK){
if(_ackedLength >= (_headLength+_contentLength)){
_state = RESPONSE_END;
}
}
return 0;
}
/*
* Callback Response
* */
AsyncCallbackResponse::AsyncCallbackResponse(String contentType, size_t len, AwsResponseFiller callback){
_code = 200;
_content = callback;
_contentLength = len;
_contentType = contentType;
}
void AsyncCallbackResponse::_respond(AsyncWebServerRequest *request){
if(!_content){
_state = RESPONSE_FAILED;
request->send(500);
return;
}
_head = _assembleHead();
_state = RESPONSE_HEADERS;
size_t outLen = _head.length();
size_t space = request->client()->space();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
out = String();
}
}
size_t AsyncCallbackResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
if(!_content){
_state = RESPONSE_FAILED;
request->client()->close();
return 0;
}
_ackedLength += len;
size_t space = request->client()->space();
if(_state == RESPONSE_CONTENT){
size_t remaining = _contentLength - _sentLength;
size_t outLen = (remaining > space)?space:remaining;
uint8_t *buf = (uint8_t *)os_malloc(outLen);
outLen = _content(buf, outLen, remaining);
request->client()->write((const char*)buf, outLen);
_sentLength += outLen;
os_free(buf);
if(_sentLength == _contentLength){
_state = RESPONSE_WAIT_ACK;
}
return outLen;
} else if(_state == RESPONSE_HEADERS){
size_t outLen = _head.length();
if(space >= outLen){
request->client()->write(_head.c_str(), outLen);
_head = String();
_state = RESPONSE_CONTENT;
return outLen;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
request->client()->write(out.c_str(), out.length());
return out.length();
}
} else if(_state == RESPONSE_WAIT_ACK){
if(_ackedLength >= (_headLength+_contentLength)){
_state = RESPONSE_END;
}
}
return 0;
}

90
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#include "ESPAsyncWebServer.h"
#include "AsyncWebServerHandlerImpl.h"
AsyncWebServer::AsyncWebServer(uint16_t port):_server(port), _handlers(0), _catchAllHandler(new AsyncCallbackWebHandler()){
_server.onClient([](void *s, AsyncClient* c){
new AsyncWebServerRequest((AsyncWebServer*)s, c);
}, this);
}
void AsyncWebServer::addHandler(AsyncWebHandler* handler){
if(_handlers == NULL){
_handlers = handler;
} else {
AsyncWebHandler* h = _handlers;
while(h->next != NULL) h = h->next;
h->next = handler;
}
}
void AsyncWebServer::begin(){
_server.begin();
}
void AsyncWebServer::_handleDisconnect(AsyncWebServerRequest *request){
delete request;
}
void AsyncWebServer::_handleRequest(AsyncWebServerRequest *request){
if(_handlers){
AsyncWebHandler* h = _handlers;
while(h && !h->canHandle(request)) h = h->next;
if(h){
request->setHandler(h);
return;
}
}
request->addInterestingHeader("ANY");
request->setHandler(_catchAllHandler);
}
void AsyncWebServer::on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
handler->onUpload(onUpload);
handler->onBody(onBody);
addHandler(handler);
}
void AsyncWebServer::on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
handler->onUpload(onUpload);
addHandler(handler);
}
void AsyncWebServer::on(const char* uri, WebRequestMethod method, ArRequestHandlerFunction onRequest){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
addHandler(handler);
}
void AsyncWebServer::on(const char* uri, ArRequestHandlerFunction onRequest){
on(uri, HTTP_ANY, onRequest);
}
void AsyncWebServer::serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_header){
addHandler(new AsyncStaticWebHandler(fs, path, uri, cache_header));
}
void AsyncWebServer::onNotFound(ArRequestHandlerFunction fn){
((AsyncCallbackWebHandler*)_catchAllHandler)->onRequest(fn);
}
void AsyncWebServer::onFileUpload(ArUploadHandlerFunction fn){
((AsyncCallbackWebHandler*)_catchAllHandler)->onUpload(fn);
}
void AsyncWebServer::onRequestBody(ArBodyHandlerFunction fn){
((AsyncCallbackWebHandler*)_catchAllHandler)->onBody(fn);
}

747
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/*
* WebServerClient.cpp
*
* Created on: 18.12.2015 г.
* Author: ficeto
*/
#include "ESPAsyncWebServer.h"
#include "AsyncWebServerResponseImpl.h"
#include <libb64/cencode.h>
bool __is_param_char(char c){
return c && (c != '{') && (c != '[') && (c != '&') && (c != '=');
}
enum { PARSE_REQ_START, PARSE_REQ_HEADERS, PARSE_REQ_BODY, PARSE_REQ_END, PARSE_REQ_FAIL };
AsyncWebServerRequest::AsyncWebServerRequest(AsyncWebServer* s, AsyncClient* c)
: _client(c)
, _server(s)
, _handler(NULL)
, _response(NULL)
, _interestingHeaders(new StringArray())
, _temp()
, _parseState(0)
, _method(HTTP_ANY)
, _url()
, _host()
, _contentType()
, _boundary()
, _authorization()
, _isMultipart(false)
, _isPlainPost(false)
, _expectingContinue(false)
, _contentLength(0)
, _parsedLength(0)
, _headers(NULL)
, _params(NULL)
, _multiParseState(0)
, _boundaryPosition(0)
, _itemStartIndex(0)
, _itemSize(0)
, _itemName()
, _itemFilename()
, _itemType()
, _itemValue()
, _itemBuffer(0)
, _itemBufferIndex(0)
, _itemIsFile(false)
{
c->onError([](void *r, AsyncClient* c, err_t error){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onError(error); }, this);
c->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onAck(len, time); }, this);
c->onDisconnect([](void *r, AsyncClient* c){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onDisconnect(); }, this);
c->onTimeout([](void *r, AsyncClient* c, uint32_t time){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onTimeout(time); }, this);
c->onData([](void *r, AsyncClient* c, void *buf, size_t len){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onData(buf, len); }, this);
c->onPoll([](void *r, AsyncClient* c){ AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onPoll(); }, this);
}
AsyncWebServerRequest::~AsyncWebServerRequest(){
while(_headers != NULL){
AsyncWebHeader *h = _headers;
_headers = h->next;
delete h;
}
while(_params != NULL){
AsyncWebParameter *p = _params;
_params = p->next;
delete p;
}
_interestingHeaders->free();
delete _interestingHeaders;
if(_response != NULL){
delete _response;
}
}
void AsyncWebServerRequest::_onData(void *buf, size_t len){
//os_printf("r:%u\n", len);
if(_parseState < PARSE_REQ_BODY){
size_t i;
for(i=0; i<len; i++){
if(_parseState < PARSE_REQ_BODY)
_parseByte(((uint8_t*)buf)[i]);
else
return _onData((void *)((uint8_t*)buf+i), len-i);
}
} else if(_parseState == PARSE_REQ_BODY){
if(_isMultipart){
size_t i;
for(i=0; i<len; i++){
_parseMultipartPostByte(((uint8_t*)buf)[i], i == len - 1);
_parsedLength++;
}
} else {
if(_parsedLength == 0){
if(_contentType == "application/x-www-form-urlencoded"){
_isPlainPost = true;
} else if(_contentType == "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) {
if(_handler) _handler->handleBody(this, (uint8_t*)buf, len, _parsedLength, _contentLength);
_parsedLength += len;
} else {
size_t i;
for(i=0; i<len; i++){
_parsedLength++;
_parsePlainPostChar(((uint8_t*)buf)[i]);
}
}
}
if(_parsedLength == _contentLength){
_parseState = PARSE_REQ_END;
if(_handler) _handler->handleRequest(this);
else send(501);
return;
}
}
}
void AsyncWebServerRequest::_onPoll(){
//os_printf("p\n");
}
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 {
AsyncWebServerResponse* r = _response;
_response = NULL;
delete r;
}
}
}
void AsyncWebServerRequest::_onError(err_t error){
os_printf("e:%d:%u\n", error, _client->state());
}
void AsyncWebServerRequest::_onTimeout(uint32_t time){
os_printf("t:%u\n", time);
_client->close();
}
void AsyncWebServerRequest::_onDisconnect(){
//os_printf("d\n");
_client->free();
delete _client;
_server->_handleDisconnect(this);
}
void AsyncWebServerRequest::_addParam(AsyncWebParameter *p){
if(_params == NULL)
_params = p;
else {
AsyncWebParameter *ps = _params;
while(ps->next != NULL) ps = ps->next;
ps->next = p;
}
}
void AsyncWebServerRequest::_addGetParam(String param){
param = _urlDecode(param);
String name = param;
String value = "";
if(param.indexOf('=') > 0){
name = param.substring(0, param.indexOf('='));
value = param.substring(param.indexOf('=') + 1);
}
_addParam(new AsyncWebParameter(name, value));
}
bool AsyncWebServerRequest::_parseReqHead(){
String m = _temp.substring(0, _temp.indexOf(' '));
if(m == "GET"){
_method = HTTP_GET;
} else if(m == "POST"){
_method = HTTP_POST;
} else if(m == "DELETE"){
_method = HTTP_DELETE;
} else if(m == "PUT"){
_method = HTTP_PUT;
} else if(m == "PATCH"){
_method = HTTP_PATCH;
} else if(m == "HEAD"){
_method = HTTP_HEAD;
} else if(m == "OPTIONS"){
_method = HTTP_OPTIONS;
}
_temp = _temp.substring(_temp.indexOf(' ')+1);
String u = _temp.substring(0, _temp.indexOf(' '));
String g = String();
if(u.indexOf('?') > 0){
g = u.substring(u.indexOf('?') + 1);
u = u.substring(0, u.indexOf('?'));
}
_url = u;
if(g.length()){
while(true){
if(g.length() == 0)
break;
if(g.indexOf('&') > 0){
_addGetParam(g.substring(0, g.indexOf('&')));
g = g.substring(g.indexOf('&') + 1);
} else {
_addGetParam(g);
break;
}
}
}
_temp = String();
return true;
}
bool AsyncWebServerRequest::_parseReqHeader(){
if(_temp.indexOf(':')){
AsyncWebHeader *h = new AsyncWebHeader(_temp);
if(h->name() == "Host"){
_host = h->value();
delete h;
_server->_handleRequest(this);
} else if(h->name() == "Content-Type"){
if (h->value().startsWith("multipart/")){
_boundary = h->value().substring(h->value().indexOf('=')+1);
_contentType = h->value().substring(0, h->value().indexOf(';'));
_isMultipart = true;
} else {
_contentType = h->value();
}
delete h;
} else if(h->name() == "Content-Length"){
_contentLength = atoi(h->value().c_str());
delete h;
} else if(h->name() == "Expect" && h->value() == "100-continue"){
_expectingContinue = true;
delete h;
} else if(h->name() == "Authorization"){
if(h->value().startsWith("Basic")){
_authorization = h->value().substring(6);
}
delete h;
} else {
if(_interestingHeaders->contains(h->name()) || _interestingHeaders->contains("ANY")){
if(_headers == NULL)
_headers = h;
else {
AsyncWebHeader *hs = _headers;
while(hs->next != NULL) hs = hs->next;
hs->next = h;
}
} else
delete h;
}
}
_temp = String();
return true;
}
void AsyncWebServerRequest::_parsePlainPostChar(uint8_t data){
if(data && (char)data != '\r' && (char)data != '\n' && (char)data != '&')
_temp += (char)data;
if(!data || (char)data == '\n' || (char)data == '&' || _parsedLength == _contentLength){
_temp = _urlDecode(_temp);
String name = _temp;
String value = "";
if(_temp.indexOf('=') > 0){
name = _temp.substring(0, _temp.indexOf('='));
value = _temp.substring(_temp.indexOf('=') + 1);
}
_addParam(new AsyncWebParameter(name, value, true));
_temp = String();
}
}
void AsyncWebServerRequest::_handleUploadByte(uint8_t data, bool last){
_itemBuffer[_itemBufferIndex++] = data;
if(last){
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 = String();
_itemName = String();
_itemFilename = String();
_itemType = String();
}
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.startsWith("Content-Type:")){
_itemType = _temp.substring(14);
_itemIsFile = true;
} else if(_temp.startsWith("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 == "name"){
_itemName = nameVal;
} else if(name == "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 == "name"){
_itemName = nameVal;
} else if(name == "filename"){
_itemFilename = nameVal;
_itemIsFile = true;
}
}
_temp = String();
} else {
_multiParseState = WAIT_FOR_RETURN1;
//value starts from here
_itemSize = 0;
_itemStartIndex = _parsedLength;
_itemValue = String();
if(_itemIsFile){
if(_itemBuffer)
os_free(_itemBuffer);
_itemBuffer = (uint8_t*)os_malloc(1460);
_itemBufferIndex = 0;
}
}
}
} else if(_multiParseState == WAIT_FOR_RETURN1){
if(data != '\r'){
itemWriteByte(data);
} else {
_multiParseState = EXPECT_FEED1;
}
} else if(_multiParseState == EXPECT_FEED1){
if(data != '\n'){
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r'); itemWriteByte(data);
} else {
_multiParseState = EXPECT_DASH1;
}
} else if(_multiParseState == EXPECT_DASH1){
if(data != '-'){
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte(data);
} else {
_multiParseState = EXPECT_DASH2;
}
} else if(_multiParseState == EXPECT_DASH2){
if(data != '-'){
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r'); itemWriteByte('\n'); itemWriteByte('-'); itemWriteByte(data);
} 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]);
itemWriteByte(data);
} else if(_boundaryPosition == _boundary.length() - 1){
_multiParseState = DASH3_OR_RETURN2;
if(!_itemIsFile){
_addParam(new AsyncWebParameter(_itemName, _itemValue, true));
} else {
if(_itemSize){
if(_handler) _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true);
_itemBufferIndex = 0;
_addParam(new AsyncWebParameter(_itemName, _itemFilename, true, true, _itemSize));
}
os_free(_itemBuffer);
}
} else {
_boundaryPosition++;
}
} else if(_multiParseState == DASH3_OR_RETURN2){
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]);
itemWriteByte(data);
}
} 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'); itemWriteByte(data);
}
}
}
void AsyncWebServerRequest::_parseLine(){
if(_parseState == PARSE_REQ_START){
if(!_temp.length()){
_parseState = PARSE_REQ_FAIL;
_client->close();
} else {
_parseReqHead();
_parseState = PARSE_REQ_HEADERS;
}
return;
}
if(_parseState == PARSE_REQ_HEADERS){
if(!_temp.length()){
//end of headers
if(_expectingContinue){
const char * response = "HTTP/1.1 100 Continue\r\n\r\n";
_client->write(response, os_strlen(response));
}
if(_contentLength){
_parseState = PARSE_REQ_BODY;
} else {
_parseState = PARSE_REQ_END;
if(_handler) _handler->handleRequest(this);
else send(501);
}
} else _parseReqHeader();
}
}
void AsyncWebServerRequest::_parseByte(uint8_t data){
if((char)data != '\r' && (char)data != '\n')
_temp += (char)data;
if((char)data == '\n')
_parseLine();
}
int AsyncWebServerRequest::headers(){
int i = 0;
AsyncWebHeader* h = _headers;
while(h != NULL){
i++; h = h->next;
}
return i;
}
bool AsyncWebServerRequest::hasHeader(String name){
AsyncWebHeader* h = _headers;
while(h != NULL){
if(h->name() == name)
return true;
h = h->next;
}
return false;
}
AsyncWebHeader* AsyncWebServerRequest::getHeader(String name){
AsyncWebHeader* h = _headers;
while(h != NULL){
if(h->name() == name)
return h;
h = h->next;
}
return NULL;
}
AsyncWebHeader* AsyncWebServerRequest::getHeader(int num){
int i = 0;
AsyncWebHeader* h = _headers;
while(h != NULL){
if(num == i++)
return h;
h = h->next;
}
return NULL;
}
int AsyncWebServerRequest::params(){
int i = 0;
AsyncWebParameter* h = _params;
while(h != NULL){
i++; h = h->next;
}
return i;
}
bool AsyncWebServerRequest::hasParam(String name, bool post, bool file){
AsyncWebParameter* h = _params;
while(h != NULL){
if(h->name() == name && h->isPost() == post && h->isFile() == file)
return true;
h = h->next;
}
return false;
}
AsyncWebParameter* AsyncWebServerRequest::getParam(String name, bool post, bool file){
AsyncWebParameter* h = _params;
while(h != NULL){
if(h->name() == name && h->isPost() == post && h->isFile() == file)
return h;
h = h->next;
}
return NULL;
}
AsyncWebParameter* AsyncWebServerRequest::getParam(int num){
int i = 0;
AsyncWebParameter* h = _params;
while(h != NULL){
if(num == i++)
return h;
h = h->next;
}
return NULL;
}
void AsyncWebServerRequest::addInterestingHeader(String name){
if(!_interestingHeaders->contains(name)) _interestingHeaders->add(name);
}
void AsyncWebServerRequest::send(AsyncWebServerResponse *response){
_response = response;
_response->_respond(this);
}
AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(int code, String contentType, String content){
return new AsyncBasicResponse(code, contentType, content);
}
AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(FS &fs, String path, String contentType, bool download){
if(fs.exists(path) || (!download && fs.exists(path+".gz")))
return new AsyncFileResponse(fs, path, contentType, download);
return NULL;
}
AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(Stream &stream, String contentType, size_t len){
return new AsyncStreamResponse(stream, contentType, len);
}
AsyncWebServerResponse * AsyncWebServerRequest::beginResponse(String contentType, size_t len, AwsResponseFiller callback){
return new AsyncCallbackResponse(contentType, len, callback);
}
void AsyncWebServerRequest::send(int code, String contentType, String content){
send(new AsyncBasicResponse(code, contentType, content));
}
void AsyncWebServerRequest::send(FS &fs, String path, String contentType, bool download){
if(fs.exists(path) || (!download && fs.exists(path+".gz"))){
send(new AsyncFileResponse(fs, path, contentType, download));
} else send(404);
}
void AsyncWebServerRequest::send(Stream &stream, String contentType, size_t len){
send(new AsyncStreamResponse(stream, contentType, len));
}
void AsyncWebServerRequest::send(String contentType, size_t len, AwsResponseFiller callback){
send(new AsyncCallbackResponse(contentType, len, callback));
}
bool AsyncWebServerRequest::authenticate(const char * username, const char * password){
if(_authorization.length()){
char toencodeLen = strlen(username)+strlen(password)+1;
char *toencode = new char[toencodeLen];
if(toencode == NULL){
return false;
}
char *encoded = new char[base64_encode_expected_len(toencodeLen)+1];
if(encoded == NULL){
delete[] toencode;
return false;
}
sprintf(toencode, "%s:%s", username, password);
if(base64_encode_chars(toencode, toencodeLen, encoded) > 0 && _authorization.equals(encoded)){
delete[] toencode;
delete[] encoded;
return true;
}
delete[] toencode;
delete[] encoded;
}
return false;
}
bool AsyncWebServerRequest::authenticate(const char * hash){
return (_authorization.length() && (_authorization == String(hash)));
}
void AsyncWebServerRequest::requestAuthentication(){
AsyncWebServerResponse * r = beginResponse(401);
r->addHeader("WWW-Authenticate", "Basic realm=\"Login Required\"");
send(r);
}
bool AsyncWebServerRequest::hasArg(const char* name){
AsyncWebParameter* h = _params;
while(h != NULL){
if(h->name() == String(name))
return true;
h = h->next;
}
return false;
}
String AsyncWebServerRequest::arg(const char* name){
AsyncWebParameter* h = _params;
while(h != NULL){
if(h->name() == String(name))
return h->value();
h = h->next;
}
return String();
}
String AsyncWebServerRequest::arg(int i){
return getParam(i)->value();
}
String AsyncWebServerRequest::argName(int i){
return getParam(i)->name();
}
String AsyncWebServerRequest::header(const char* name){
AsyncWebHeader* h = getHeader(String(name));
if(h)
return h->value();
return String();
}
String AsyncWebServerRequest::header(int i){
AsyncWebHeader* h = getHeader(i);
if(h)
return h->value();
return String();
}
String AsyncWebServerRequest::headerName(int i){
AsyncWebHeader* h = getHeader(i);
if(h)
return h->name();
return String();
}
bool AsyncWebServerRequest::hasHeader(const char* name){
return hasHeader(String(name));
}
String AsyncWebServerRequest::_urlDecode(const String& text){
String decoded = "";
char temp[] = "0x00";
unsigned int len = text.length();
unsigned int i = 0;
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 += decodedChar;
}
return decoded;
}