HttpParseResult HttpRequest::parsePostData(HttpServer *server, pbuf* buf)
{
int start = 0;
// First enter
if (requestPostParameters == NULL)
{
int headerEnd = NetUtils::pbufFindStr(buf, "\r\n\r\n");
if (headerEnd == -1) return eHPR_Failed;
if (headerEnd + getContentLength() > NETWORK_MAX_HTTP_PARSING_LEN)
{
debugf("NETWORK_MAX_HTTP_PARSING_LEN");
return eHPR_Failed;
}
requestPostParameters = new HashMap<String, String>();
start = headerEnd + 4;
combinePostFrag = false;
}
else if (combinePostFrag)
{
String cur = requestPostParameters->keyAt(requestPostParameters->count() - 1);
debugf("Continue POST frag %s", cur.c_str());
int delimItem = NetUtils::pbufFindChar(buf, '&', 0);
if (delimItem == -1)
delimItem = buf->tot_len;
else
combinePostFrag = false;
String itemValue = NetUtils::pbufStrCopy(buf, 0, delimItem);
//debugf("Continue POST len %d", itemValue.length());
char* buf = uri_unescape(NULL, 0, itemValue.c_str(), -1);
itemValue = buf;
free(buf);
(*requestPostParameters)[cur] += itemValue;
start = delimItem + 1;
postDataProcessed += start;
}
bool notFinished = extractParsingItemsList(buf, start, buf->tot_len, '&', ' ', requestPostParameters);
if (notFinished)
combinePostFrag = true; // continue reading this parameter value
//TODO: continue for param name
postDataProcessed += buf->tot_len - start;
if (postDataProcessed == getContentLength())
return eHPR_Successful;
else
return eHPR_Wait;
}
HttpParseResult HttpRequest::parsePostData(HttpServer *server, pbuf* buf)
{
int start = 0;
tmpbuf += NetUtils::pbufStrCopy(buf, 0, buf->tot_len);
// First enter
if (requestPostParameters == NULL)
{
int headerEnd = NetUtils::pbufFindStr(buf, "\r\n\r\n");
if (headerEnd == -1) return eHPR_Failed;
if (headerEnd + getContentLength() > NETWORK_MAX_HTTP_PARSING_LEN)
{
debugf("NETWORK_MAX_HTTP_PARSING_LEN");
return eHPR_Failed;
}
requestPostParameters = new HashMap<String, String>();
start = headerEnd + 4;
tmpbuf = tmpbuf.substring(start, tmpbuf.length());
}
//parse if it is FormUrlEncoded - otherwise keep in buffer
String contType = getContentType();
contType.toLowerCase();
if (contType.indexOf(ContentType::FormUrlEncoded) != -1)
{
tmpbuf = extractParsingItemsList(tmpbuf, 0, tmpbuf.length(), '&', ' ', requestPostParameters);
}
postDataProcessed += buf->tot_len - start ;
if (postDataProcessed == getContentLength())
{
return eHPR_Successful;
}
else if (postDataProcessed > getContentLength())
{
//avoid bufferoverflow if client announces non-correct content-length
debugf("NETWORK_MAX_HTTP_PARSING_LEN");
return eHPR_Failed;
}
else
{
return eHPR_Wait;
}
}
HttpParseResult HttpRequest::parseHeader(HttpServer *server, pbuf* buf)
{
int headerEnd = NetUtils::pbufFindStr(buf, "\r\n\r\n");
if (headerEnd > NETWORK_MAX_HTTP_PARSING_LEN || headerDataProcessed > NETWORK_MAX_HTTP_PARSING_LEN \
|| (headerEnd != -1 && buf->tot_len > NETWORK_MAX_HTTP_PARSING_LEN))
{
debugf("NETWORK_MAX_HTTP_PARSING_LEN");
return eHPR_Failed;
}
int urlEnd = 0;
tmpbuf += NetUtils::pbufStrCopy(buf, 0, buf->tot_len);
if (requestHeaders == NULL) {
// first time calling header
requestHeaders = new HashMap<String, String>();
int urlStart = tmpbuf.indexOf(" ")+1;
urlEnd = tmpbuf.indexOf(" ", urlStart);
if (urlStart == 0 || urlEnd == -1)
{
debugf("!BadRequest");
return eHPR_Failed;
}
method = tmpbuf.substring(0, urlStart-1);
int urlParamsStart = tmpbuf.indexOf("?", urlStart);
if (urlParamsStart != -1 && urlParamsStart < urlEnd)
{
path = tmpbuf.substring(urlStart, urlParamsStart);
if (requestGetParameters == NULL) requestGetParameters = new HashMap<String, String>();
extractParsingItemsList(tmpbuf, urlParamsStart + 1, urlEnd, '&', ' ', requestGetParameters);
}
else
path = tmpbuf.substring(urlStart, urlEnd);
debugf("path=%s", path.c_str());
urlEnd = tmpbuf.indexOf("\r\n", urlEnd)+2;
}
int line, nextLine;
line = urlEnd;
do
{
nextLine = tmpbuf.indexOf("\r\n", line);
if (nextLine - line > 2)
{
int delim = tmpbuf.indexOf(":", line);
if (delim != -1)
{
String name = tmpbuf.substring(line, delim);
name.toLowerCase();
if (server->isHeaderProcessingEnabled(name))
{
debugf("Name: %s", name.c_str());
if (name == "cookie")
{
if (cookies == NULL) cookies = new HashMap<String, String>();
extractParsingItemsList(tmpbuf, delim + 1, nextLine, ';', '\r', cookies);
}
else
{
String value = tmpbuf.substring(delim + 1, nextLine);
value.trim();
(*requestHeaders)[name] = value;
debugf("%s === %s", name.c_str(), value.c_str());
}
}
}
}
if (nextLine != -1) {
line = nextLine + 2;
}
} while(nextLine != -1);
if (headerEnd != -1)
{
tmpbuf = "";
debugf("parsed");
return eHPR_Successful;
}
headerDataProcessed += buf->tot_len;
tmpbuf = tmpbuf.substring(line, buf->tot_len);
return eHPR_Wait;
}
HttpParseResult HttpRequest::parseHeader(HttpServer *server, pbuf* buf)
{
int headerEnd = NetUtils::pbufFindStr(buf, "\r\n\r\n");
if (headerEnd == -1) return eHPR_Wait;
if (headerEnd > NETWORK_MAX_HTTP_PARSING_LEN)
{
debugf("NETWORK_MAX_HTTP_PARSING_LEN");
return eHPR_Failed;
}
int urlStart = NetUtils::pbufFindChar(buf, ' ') + 1;
int urlEnd = NetUtils::pbufFindChar(buf, ' ', urlStart);
if (urlStart == 0 || urlEnd == -1)
{
debugf("!BadRequest");
return eHPR_Failed;
}
method = NetUtils::pbufStrCopy(buf, 0, urlStart - 1);
int urlParamsStart = NetUtils::pbufFindChar(buf, '?', urlStart);
if (urlParamsStart != -1 && urlParamsStart < urlEnd)
{
path = NetUtils::pbufStrCopy(buf, urlStart, urlParamsStart - urlStart);
if (requestGetParameters == NULL) requestGetParameters = new HashMap<String, String>();
extractParsingItemsList(buf, urlParamsStart + 1, urlEnd, '&', ' ', requestGetParameters);
}
else
path = NetUtils::pbufStrCopy(buf, urlStart, urlEnd - urlStart);
debugf("path=%s", path.c_str());
int line, nextLine;
line = NetUtils::pbufFindStr(buf, "\r\n", urlEnd) + 2;
do
{
nextLine = NetUtils::pbufFindStr(buf, "\r\n", line);
if (nextLine - line > 2)
{
int delim = NetUtils::pbufFindStr(buf, ":", line);
if (delim != -1)
{
String name = NetUtils::pbufStrCopy(buf, line, delim - line);
if (server->isHeaderProcessingEnabled(name))
{
if (name == "Cookie")
{
if (cookies == NULL) cookies = new HashMap<String, String>();
extractParsingItemsList(buf, delim + 1, nextLine, ';', '\r', cookies);
}
else
{
String value = NetUtils::pbufStrCopy(buf, delim + 1, nextLine - (delim + 1));
value.trim();
if (requestHeaders == NULL) requestHeaders = new HashMap<String, String>();
(*requestHeaders)[name] = value;
debugf("%s === %s", name.c_str(), value.c_str());
}
}
}
}
line = nextLine + 2;
} while(nextLine != -1);
if (headerEnd != -1)
{
debugf("parsed");
return eHPR_Successful;
}
return eHPR_Wait;
}
