/**
* Get the next bodypart from the message body string.
*
* @param rfcBody (in) - message content
* @param boundary (in) - mime boundary string
* @param ret (out) - parsed BodyPart
* @param next (i/o) - offset of the new boundary
* @param isAttach (in) - says if the current body part is an attachment or not
*/
static bool getBodyPart(StringBuffer &rfcBody, StringBuffer &boundary,
BodyPart &ret, size_t &next, bool isAttach)
{
LOG.debug("getBodyPart START");
StringBuffer newline;
// The part starts on the next line
size_t begin = findNewLine(rfcBody, next);
if (begin == StringBuffer::npos)
return false;
// find the end of the part
next = rfcBody.find(boundary, begin);
if (next == StringBuffer::npos)
return false;
// get the part
StringBuffer part = rfcBody.substr(begin, next-begin);
// If it is a multipart alternative part, get the text part only.
// check only until the first new line not on all the message (it could be
// a message inside another message)
size_t headers_len = getHeadersLen(part, newline);
StringBuffer headers_part = part.substr(0, headers_len);
if (headers_part.ifind("Content-Type: multipart/alternative") != StringBuffer::npos) {
if(part.ifind("Content-Type: multipart/alternative") != StringBuffer::npos) {
size_t b_pos = part.ifind("boundary=");
if( b_pos != StringBuffer::npos ) {
size_t begin = part.find("=\"", b_pos) + 2 ;
size_t end = part.find("\"", begin) ;
StringBuffer inner_boundary("\n--");
inner_boundary += part.substr( begin, end-begin );
begin = part.find(inner_boundary, end);
begin += inner_boundary.length();
end = part.find(inner_boundary, begin);
if (begin != StringBuffer::npos && end != StringBuffer::npos) {
part = part.substr(begin, end-begin);
LOG.debug("Bodypart is multipart/alternative: "
"getting first alternative only: \n%s\n", part.c_str() );
}
}
}
}
// Split headers and body
size_t hdrlen = getHeadersLen(part, newline);
// Get headers
StringBuffer headers = part.substr(0, hdrlen);
// Join header parts using \t or 8 blank
StringBuffer joinlinetab("\t");
headers.replaceAll(joinlinetab, " ");
StringBuffer joinlinespaces(newline);
joinlinespaces+=" "; // 8 blanks
headers.replaceAll(joinlinespaces, " ");
ArrayList lines;
const StringBuffer *line;
// parse the bodypart headers
headers.split(lines, newline);
for ( line=(StringBuffer *)lines.front();
line;
line=(StringBuffer *)lines.next() ) {
if( *line == "\r" )
continue;
// The first empty line marks the end of the header section
//if( line->empty() ){
// break;
//}
// Process the headers
if( line->ifind(MIMETYPE) == 0 ) { // it must at the beginning
ret.setMimeType(getTokenValue(line, MIMETYPE));
if (line->ifind(CT_NAME) != StringBuffer::npos) {
ret.setName(MailMessage::decodeHeader(getTokenValue(line, CT_NAME,false)));
}
if (line->ifind(CT_CHARSET) != StringBuffer::npos ) {
ret.setCharset(getTokenValue(line, CT_CHARSET));
}
}
else if( line->ifind(DISPOSITION) == 0 ) {
ret.setDisposition( getTokenValue(line, DISPOSITION));
if (line->ifind(CD_FILENAME) != StringBuffer::npos ) {
ret.setFilename( MailMessage::decodeHeader( getTokenValue(line, CD_FILENAME, false) ) );
}
}
else if( line->ifind(ENCODING) == 0 ) {
ret.setEncoding( getTokenValue(line, ENCODING));
}
}
// move to the beginning of the content
hdrlen += strlen(newline) + strlen(newline); // added 2 new line that separate the bodyparts
// get bodypart content
if( isAttach == false) { // || !ret.getFilename() ) {
// this is not an attachment
if(ret.getEncoding() && strcmp(ret.getEncoding(), "quoted-printable") == 0 ) {
char *decoded = qp_decode( part.substr(hdrlen) );
ret.setContent ( decoded );
delete [] decoded;
}
else if (ret.getEncoding() && strcmp(ret.getEncoding(), "base64") == 0 ) {
char *decoded = "";
size_t len = 0;
if( uudecode( part.substr(hdrlen), &decoded, &len ) ) {
LOG.error("Error decoding content");
}
ret.setContent ( decoded );
delete [] decoded;
}
else {
bool found = true;
if (part.substr(hdrlen).length() < 6) {
StringBuffer s(part.substr(hdrlen));
for (unsigned int i = 0; i < s.length(); i++) {
if (s.c_str()[i] != '\r' && s.c_str()[i] != '\n') {
found = true;
break;
} else {
found = false;
}
}
}
if (found) {
ret.setContent ( part.substr(hdrlen) );
}
}
}
else {
LOG.debug("Attachment");
ret.setContent( mkTempFileName( ret.getFilename() ) );
LOG.debug("%s", ret.getContent());
StringBuffer p = part.substr(hdrlen);
if (p.length()) {
LOG.debug("Saving...");
if( convertAndSave(ret.getContent(), p.c_str(), ret.getEncoding()) ) {
LOG.error("Error in convertAndSave");
}
else {
LOG.debug("convertAndSave success");
}
}
}
LOG.debug("getBodyPart END");
// return true if there are more parts
return (next != StringBuffer::npos);
}
