void MTD_FLASHMEM MultipartFormDataProcessor::handle_DecodingHeaders(char c) {
static char const EOH[4] = {0x0D, 0x0A, 0x0D, 0x0A};
if (c == EOH[substate]) {
++substate;
if (substate == 2) {
// useful if this is not an EOH to separate headers
headers->append(0x0D, 1);
} else if (substate == 4) {
// end of headers
headers->append(0, 1); // add string terminating zero
// look for "name" parameter
CharChunksIterator keyBegin;
extractParameter(FSTR(" name="), headers->getIterator(), &keyBegin, &nameBegin, &nameEnd);
// look for "filename" parameter
CharChunksIterator filenameBegin, filenameEnd;
if (extractParameter(FSTR(" filename="), headers->getIterator(), &keyBegin, &filenameBegin, &filenameEnd)) {
//// this is a file
// add "filename" to form fields
filenameBegin = getFilename(filenameBegin,
filenameEnd); // some browsers send a full path instead of a simple file name (IE)
formfields->add(keyBegin + 1, keyBegin + 9, filenameBegin, filenameEnd);
// extract Content-Type parameter
CharChunksIterator contentTypeBegin, contentTypeEnd;
if (extractParameter(FSTR("Content-Type:"), filenameEnd, &keyBegin, &contentTypeBegin, &contentTypeEnd)) {
// add "Content-Type" to form fields
formfields->add(keyBegin, keyBegin + 12, contentTypeBegin, contentTypeEnd);
// create file
file.create(APtr<char>(t_strdup(filenameBegin, filenameEnd)).get(),
APtr<char>(t_strdup(contentTypeBegin, contentTypeEnd)).get());
state = GettingFile;
} else {
// missing content-type, cannot get as file!
state = GettingValue;
}
} else {
//// this is a normal field
valueStorage = chunksFactory.add();
state = GettingValue;
}
substate = 0;
}
} else {
// add to headers buffer
headers->append(c, HEADERS_CHUNK_SIZE);
substate = 0;
}
}
void MTD_FLASHMEM MultipartFormDataProcessor::handle_GettingFile_GettingValue(char c) {
static char const BOB[4] = {0x0D, 0x0A, '-', '-'}; // begin of boundary (just before every boundary)
if (substate < 4 && c == BOB[substate]) {
++substate;
} else if (substate >= 4 && c == boundary[substate - 4]) {
++substate;
if (substate - 4 == boundarylen) {
// found boundary, end file or value
if (state == GettingFile)
file.close();
else
formfields->add(nameBegin, nameEnd, valueStorage->getIterator(), CharChunksIterator());
state = BoundaryFound;
substate = 0;
}
} else {
if (substate > 0) {
// first "substate" bytes seemed the BOB or Boundary, but they were not!
int32_t cnt = substate;
substate = 0;
if (state == GettingFile)
file.write(BOB, 1);
else
valueStorage->append(BOB[0], FORM_CHUNK_SIZE);
for (int32_t i = 1; i != cnt; ++i)
push(i < 4 ? BOB[i] : boundary[i - 4]);
push(c);
} else {
if (state == GettingFile)
file.write(&c, 1);
else
valueStorage->append(c, FORM_CHUNK_SIZE);
}
}
}
