void ESP8266WebServer::_uploadWriteByte(uint8_t b){
if (_currentUpload.currentSize == HTTP_UPLOAD_BUFLEN){
if (_fileUploadHandler) _fileUploadHandler();
_currentUpload.totalSize += _currentUpload.currentSize;
_currentUpload.currentSize = 0;
}
_currentUpload.buf[_currentUpload.currentSize++] = b;
}
void ESP8266WebServer::_parseForm(WiFiClient& client, String boundary, uint32_t len){
#ifdef DEBUG
DEBUG_OUTPUT.print("Parse Form: Boundary: ");
DEBUG_OUTPUT.print(boundary);
DEBUG_OUTPUT.print(" Length: ");
DEBUG_OUTPUT.println(len);
#endif
String line;
line = client.readStringUntil('\r');
client.readStringUntil('\n');
//start reading the form
if (line == ("--"+boundary)){
RequestArgument* postArgs = new RequestArgument[32];
int postArgsLen = 0;
while(1){
String argName;
String argValue;
String argType;
String argFilename;
bool argIsFile = false;
line = client.readStringUntil('\r');
client.readStringUntil('\n');
if (line.startsWith("Content-Disposition")){
int nameStart = line.indexOf('=');
if (nameStart != -1){
argName = line.substring(nameStart+2);
nameStart = argName.indexOf('=');
if (nameStart == -1){
argName = argName.substring(0, argName.length() - 1);
} else {
argFilename = argName.substring(nameStart+2, argName.length() - 1);
argName = argName.substring(0, argName.indexOf('"'));
argIsFile = true;
#ifdef DEBUG
DEBUG_OUTPUT.print("PostArg FileName: ");
DEBUG_OUTPUT.println(argFilename);
#endif
//use GET to set the filename if uploading using blob
if (argFilename == "blob" && hasArg("filename")) argFilename = arg("filename");
}
#ifdef DEBUG
DEBUG_OUTPUT.print("PostArg Name: ");
DEBUG_OUTPUT.println(argName);
#endif
argType = "text/plain";
line = client.readStringUntil('\r');
client.readStringUntil('\n');
if (line.startsWith("Content-Type")){
argType = line.substring(line.indexOf(':')+2);
//skip next line
client.readStringUntil('\r');
client.readStringUntil('\n');
}
#ifdef DEBUG
DEBUG_OUTPUT.print("PostArg Type: ");
DEBUG_OUTPUT.println(argType);
#endif
if (!argIsFile){
while(1){
line = client.readStringUntil('\r');
client.readStringUntil('\n');
if (line.startsWith("--"+boundary)) break;
if (argValue.length() > 0) argValue += "\n";
argValue += line;
}
#ifdef DEBUG
DEBUG_OUTPUT.print("PostArg Value: ");
DEBUG_OUTPUT.println(argValue);
DEBUG_OUTPUT.println();
#endif
RequestArgument& arg = postArgs[postArgsLen++];
arg.key = argName;
arg.value = argValue;
if (line == ("--"+boundary+"--")){
#ifdef DEBUG
DEBUG_OUTPUT.println("Done Parsing POST");
#endif
break;
}
} else {
_currentUpload.status = UPLOAD_FILE_START;
_currentUpload.name = argName;
_currentUpload.filename = argFilename;
_currentUpload.type = argType;
_currentUpload.totalSize = 0;
_currentUpload.currentSize = 0;
#ifdef DEBUG
DEBUG_OUTPUT.print("Start File: ");
DEBUG_OUTPUT.print(_currentUpload.filename);
DEBUG_OUTPUT.print(" Type: ");
DEBUG_OUTPUT.println(_currentUpload.type);
#endif
if (_fileUploadHandler) _fileUploadHandler();
_currentUpload.status = UPLOAD_FILE_WRITE;
uint8_t argByte = _uploadReadByte(client);
readfile:
while(argByte != 0x0D){
_uploadWriteByte(argByte);
argByte = _uploadReadByte(client);
}
argByte = _uploadReadByte(client);
if (argByte == 0x0A){
argByte = _uploadReadByte(client);
if ((char)argByte != '-'){
//continue reading the file
_uploadWriteByte(0x0D);
_uploadWriteByte(0x0A);
goto readfile;
} else {
argByte = _uploadReadByte(client);
if ((char)argByte != '-'){
//continue reading the file
_uploadWriteByte(0x0D);
_uploadWriteByte(0x0A);
_uploadWriteByte((uint8_t)('-'));
goto readfile;
}
}
uint8_t endBuf[boundary.length()];
client.readBytes(endBuf, boundary.length());
if (strstr((const char*)endBuf, boundary.c_str()) != NULL){
if (_fileUploadHandler) _fileUploadHandler();
_currentUpload.totalSize += _currentUpload.currentSize;
_currentUpload.status = UPLOAD_FILE_END;
if (_fileUploadHandler) _fileUploadHandler();
#ifdef DEBUG
DEBUG_OUTPUT.print("End File: ");
DEBUG_OUTPUT.print(_currentUpload.filename);
DEBUG_OUTPUT.print(" Type: ");
DEBUG_OUTPUT.print(_currentUpload.type);
DEBUG_OUTPUT.print(" Size: ");
DEBUG_OUTPUT.println(_currentUpload.totalSize);
#endif
line = client.readStringUntil(0x0D);
client.readStringUntil(0x0A);
if (line == "--"){
#ifdef DEBUG
DEBUG_OUTPUT.println("Done Parsing POST");
#endif
break;
}
continue;
} else {
_uploadWriteByte(0x0D);
_uploadWriteByte(0x0A);
_uploadWriteByte((uint8_t)('-'));
_uploadWriteByte((uint8_t)('-'));
uint32_t i = 0;
while(i < boundary.length()){
_uploadWriteByte(endBuf[i++]);
}
argByte = _uploadReadByte(client);
goto readfile;
}
} else {
_uploadWriteByte(0x0D);
goto readfile;
}
break;
}
}
}
}
int iarg;
int totalArgs = ((32 - postArgsLen) < _currentArgCount)?(32 - postArgsLen):_currentArgCount;
for (iarg = 0; iarg < totalArgs; iarg++){
RequestArgument& arg = postArgs[postArgsLen++];
arg.key = _currentArgs[iarg].key;
arg.value = _currentArgs[iarg].value;
}
if (_currentArgs) delete[] _currentArgs;
_currentArgs = new RequestArgument[postArgsLen];
for (iarg = 0; iarg < postArgsLen; iarg++){
RequestArgument& arg = _currentArgs[iarg];
arg.key = postArgs[iarg].key;
arg.value = postArgs[iarg].value;
}
_currentArgCount = iarg;
if (postArgs) delete[] postArgs;
}
}
bool ESP8266WebServer::_parseFormUploadAborted(){
_currentUpload.status = UPLOAD_FILE_ABORTED;
if (_fileUploadHandler) _fileUploadHandler();
return false;
}