bool_t check_encoding_qp(void) {
stringer_t *qp, *binary;
byte_t buffer[QP_CHECK_SIZE];
for (uint64_t i = 0; status() && i < QP_CHECK_ITERATIONS; i++) {
// Fill the buffer with random data and convert the buffer to hex.
if (rand_write(PLACER(buffer, QP_CHECK_SIZE)) != QP_CHECK_SIZE) {
return false;
}
else if (!(qp = qp_encode(PLACER(buffer, QP_CHECK_SIZE)))) {
return false;
}
//log_pedantic("qp = %.*s", st_length_int(qp), st_char_get(qp));
// Convert the buffer back to binary and compare it with the original array.
if (!(binary = qp_decode(qp))) {
st_free(qp);
return false;
}
else if (st_cmp_cs_eq(binary, PLACER(buffer, QP_CHECK_SIZE))) {
st_free(binary);
st_free(qp);
return false;
}
st_free(binary);
st_free(qp);
}
return true;
}
int MailMessage::parse(const char *rfc2822, size_t len) {
StringBuffer s(rfc2822, len);
int rc;
LOG.debug("MailMessage::parse START");
size_t hdrlen = getHeadersLen(s, newline);
StringBuffer headers = s.substr(0, hdrlen);
StringBuffer rfcbody;
rc = parseHeaders(headers);
if(rc)
return rc;
if(contentType.ifind(MULTIPART) != StringBuffer::npos) {
// Multipart message
rfcbody = s.substr(hdrlen);
rc= parseBodyParts(rfcbody);
}
else {
// go to the beginning of the body
hdrlen = hdrlen + strlen(newline) + strlen(newline);
rfcbody = s.substr(hdrlen);
body.setMimeType(contentType);
// FIXME: handle all encodings, not only quoted-printable
if( strcmp(body.getEncoding(), "quoted-printable") == 0 ) {
char *decoded = qp_decode( rfcbody );
body.setContent ( decoded );
delete [] decoded;
}
else if ( strcmp(body.getEncoding(), "base64") == 0 ) {
char *decoded = NULL;
size_t len = 0;
rc = uudecode( rfcbody, &decoded, &len ) ;
if( !rc ) {
body.setContent ( decoded );
delete [] decoded;
}
}
else body.setContent(rfcbody);
}
LOG.debug("MailMessage::parse END");
return rc;
}
int main(int argc, char **argv) {
size_t size;
qp_mode mode = RFC2045;
word_t *w;
if (argc > 1 && strcasecmp(argv[1], "rfc2047")) mode = RFC2047;
if (argc > 1 && strcasecmp(argv[1], "rfc-2047")) mode = RFC2047;
if (fseek(stdin, 0, SEEK_END)) die();
size = ftell(stdin);
if (fseek(stdin, 0, SEEK_SET)) die();
w = word_new(NULL, size);
if (fread(w->u.text, 1, w->leng, stdin) != w->leng) die();
size = qp_decode(w, mode);
if (fwrite(w->u.text, 1, size, stdout) != size) die();
word_free(w);
if (fflush(stdout)) die();
if (fclose(stdout)) die();
return EXIT_SUCCESS;
}
/**
* 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);
}
StringBuffer MailMessage::decodeHeader(StringBuffer line) {
if (!line || line.empty()) {
return line;
}
size_t startPos = 0;
StringBuffer ret;
StringBuffer charset;
while( (startPos = line.find("=?", startPos)) != StringBuffer::npos) {
// Skip the '=?'
startPos += 2;
// Find the first '?'
size_t firstMark = line.find("?", startPos);
if (firstMark == StringBuffer::npos) {
LOG.error("Invalid encoded header");
return line;
}
// Find the second '?'
size_t secondMark = line.find("?", firstMark+1);
if (secondMark == StringBuffer::npos) {
LOG.error("Invalid encoded header");
return line;
}
// Find the final '?='
size_t endPos = line.find("?=", secondMark+1);
if (endPos == StringBuffer::npos) {
LOG.error("Invalid encoded header");
return line;
}
charset = line.substr(startPos, firstMark - startPos);
StringBuffer encoding = line.substr(firstMark+1, secondMark - (firstMark + 1));
StringBuffer text = line.substr(secondMark+1, endPos - (secondMark + 1));
if (encoding.icmp("Q")) {
// quoted-printable
text.replaceAll("_", " ");
char* dec = qp_decode(text);
if (startPos >= 2 && ret.length() == 0) {
ret += line.substr(0, startPos - 2);
}
ret += dec;
delete [] dec;
}
else if (encoding.icmp("B")){
// base64
char* dec = new char[text.length()];
int len = b64_decode((void *)dec, text);
dec[len]=0;
if (startPos >= 2 && ret.length() == 0) {
ret += line.substr(0, startPos - 2);
}
ret += dec;
delete [] dec;
}
startPos = endPos;
}
if (ret.length() == 0) {
ret += line;
}
WCHAR* wret = toWideChar(ret, charset);
ret.set(NULL);
char* t = toMultibyte(wret);
ret.set(t);
if (wret) {delete [] wret;}
if (t) {delete [] t;}
return ret;
}
int MailData::parse(const char *msg, size_t /* len */)
{
int ret = 0;
unsigned int start = 0, end = 0;
isMailPartial = false;
// Get attributes
read = checkFlag(msg, EMAIL_READ);
forwarded = checkFlag(msg, EMAIL_FORW);
replied = checkFlag(msg, EMAIL_REPL);
deleted = checkFlag(msg, EMAIL_DELE);
flagged = checkFlag(msg, EMAIL_FLAG);
if( XMLProcessor::getElementContent (msg, EMAIL_TREC, NULL, &start, &end) ) {
received = StringBuffer(msg+start, end-start);
}
else received = "";
if( XMLProcessor::getElementContent (msg, EMAIL_TCRE, NULL, &start, &end) ) {
created = StringBuffer(msg+start, end-start);
}
else created = "";
if( XMLProcessor::getElementContent (msg, EMAIL_TMOD, NULL, &start, &end) ) {
modified = StringBuffer(msg+start, end-start);
}
else modified = "";
// Get content
StringBuffer itemtmp(msg);
start = itemtmp.find(EMAIL_ITEM_START);
end = itemtmp.rfind(EMAIL_ITEM_END);
if (start != StringBuffer::npos && end != StringBuffer::npos) {
totalEmailSize = itemtmp.length(); // the size of the current piece of mail
itemtmp = NULL;
//if( XMLProcessor::getElementContent(msg, EMAIL_ITEM, NULL, &start, &end) ) {
StringBuffer item(msg+start, end-start);
unsigned int startAttr=0, endAttr=0;
//currently emailitem is not escaped so false!!
if(XMLProcessor::getElementAttributes(msg, EMAIL_ITEM, &startAttr,
&endAttr, false)) {
StringBuffer attrlist(msg+startAttr, endAttr-startAttr);
if(attrlist.ifind("quoted-printable") != StringBuffer::npos) {
char *decoded = qp_decode(item);
item = decoded;
delete [] decoded;
}
}
// item must start with CDATA
size_t item_start = item.find("![CDATA");
if(item_start > 50){ // it could be <emailitem ENC="QUOTED-PRINTABLE"><![CDATA[
LOG.error("MailData: can't find inner CDATA section.");
return -1;
}
size_t item_end = item.rfind("]]>");
// In emailitem the last > close the CDATA of emailitem tag and is escaped, so it is needed
// to be found the follow. Usually the first is skipped
//
if(item.length() - item_end > 10){
item_end = item.rfind("]]>");
if(item.length() - item_end > 10){
LOG.error("MailData: can't find CDATA end tag.");
return -2;
}
}
// okay, move the start pointer to the end of
item_start += strlen("![CDATA[");
ret=emailItem.parse( item.c_str()+item_start, item_end - item_start );
}
else {
// LOG.info("MailData: no <emailitem> tag.");
// It is not an error, just log it for info.
}
/*
char tmpExt[] = "<Ext><XNam>x-funambol-body</XNam><XVal>15000</XVal></Ext> \
<Ext><XNam>x-funambol-attach-n</XNam><XVal>1</XVal></Ext> \
<Ext><XNam>x-funambol-attach</XNam><XVal>att1.txt</XVal><XVal>10000</XVal></Ext>";
*/
//char tmpExt[] = "";
// find the Ext stuffs
if (end != StringBuffer::npos) {
unsigned int pos = end;
unsigned int previous = end;
start = 0, end = 0;
char* ext = NULL;
// for try
//pos = 0;
//while( (ext = XMLProcessor::copyElementContent(&tmpExt[pos], "Ext", &pos)) ) { // for try
while( (ext = XMLProcessor::copyElementContent(&msg[pos], "Ext", &pos)) ) {
char* xnam = XMLProcessor::copyElementContent(ext, "XNam", 0);
if (!xnam)
break;
if (strcmp(xnam, "x-funambol-body") == 0) {
char* val = XMLProcessor::copyElementContent(ext, "XVal", 0);
if (val) {
setRemainingBodySize(atol(val));
totalEmailSize += atol(val);
delete [] val; val = NULL;
isMailPartial = true;
}
} else if (strcmp(xnam, "x-funambol-attach-n") == 0) {
char* val = XMLProcessor::copyElementContent(ext, "XVal", 0);
if (val) {
setRemainingAttachNumber(atol(val));
delete [] val; val = NULL;
isMailPartial = true;
}
} else if (strcmp(xnam, "x-funambol-attach") == 0) {
if (!remainingAttachments) {
remainingAttachments = new ArrayList();
}
extMailData = new ExtMailData();
unsigned int from = 0;
int prev = 0;
char* val = XMLProcessor::copyElementContent(ext, "XVal", &from);
if (val) {
extMailData->attachName = stringdup(MailMessage::decodeHeader(val).c_str());
delete [] val; val = NULL;
}
prev = from;
val = XMLProcessor::copyElementContent(&ext[from], "XVal", &from);
if (val) {
extMailData->attachSize = atol(val);
totalEmailSize += atol(val);
delete [] val; val = NULL;
}
from += prev;
prev = from;
val = XMLProcessor::copyElementContent(&ext[from], "XVal", &from);
if (val) {
extMailData->attachMime = stringdup(MailMessage::decodeHeader(val).c_str());
delete [] val; val = NULL;
}
from += prev;
prev = from;
val = XMLProcessor::copyElementContent(&ext[from], "XVal", &from);
if (val) {
extMailData->attachURL = stringdup(MailMessage::decodeHeader(val).c_str());
delete [] val; val = NULL;
}
if (extMailData->attachName && extMailData->attachSize != 0) {
remainingAttachments->add(*extMailData);
isMailPartial = true;
} else {
setRemainingAttachNumber(getRemainingAttachNumber() == 0 ? 0
: (getRemainingAttachNumber() - 1));
}
delete extMailData;
extMailData = NULL;
}
pos += previous;
previous = pos;
if (xnam) {
delete [] xnam; xnam = NULL;
}
if (ext) {
delete [] ext; ext = NULL;
}
}
}
return ret;
}
bool VConverter::readFieldBody(WCHAR* buffer, VProperty* vprop) {
int i = 0;
int j = 0;
int len = 0;
int offset = 0;
bool ret = false;
WCHAR* value = NULL;
WCHAR* allValues = NULL;
WCHAR* c = NULL;
// Get length of all values
while (buffer[i] != '\0') {
if ((buffer[i] == '\r') || buffer[i] == '\n') {
// Get offset of next property
for (j=i+1; buffer[j] != '\0'; j++) {
if((buffer[j] != '\r') && (buffer[j] != '\n'))
break;
}
offset = j;
break;
}
i++;
}
len = i;
if (!len) {
// This field is empty, we MUST consider it adding an empty value
// so any value on client will be deleted.
vprop->addValue(TEXT(""));
ret = true;
goto finally;
}
// This is a string with all values for this property (to parse)
allValues = new WCHAR[len + 1];
wcsncpy(allValues, buffer, len);
allValues[len] = 0;
//
// If needed, decode QP string and copy to 'allValues'.
//
if(vprop->equalsEncoding(TEXT("QUOTED-PRINTABLE"))) {
char* buf = toMultibyte(allValues);
char* dec = qp_decode(buf);
len = strlen(dec);
delete [] buf;
if (dec) {
char* t = toMultibyte(vprop->getParameterValue(TEXT("CHARSET")));
WCHAR* wdecoded = toWideChar(dec, t);
delete [] dec;
delete [] t;
if (wdecoded) {
wcsncpy(allValues, wdecoded, len);
allValues[len] = 0;
delete [] wdecoded;
}
}
if (!len) {
goto finally;
}
}
/*
--- base64 is not decoded ----
IT IS NOT POSSIBLE TO DECODE BASE64 PARAMETERS IN A WCHAR
AND TAKE THE LENGHT OF A BINARY!!
*/
// This is a buffer for each single value
value = new WCHAR[len + 1];
wcscpy(value, TEXT(""));
//
// Extract values and add to Vproperty
//
j=0;
c = allValues;
for (i=0; i<len; i++) {
// End of value
if (c[i] == ';') {
vprop->addValue(value);
j = 0;
wcscpy(value, TEXT(""));
}
else {
// Manage escaped chars: jump back-slash
if (c[i] == '\\') {
if (c[i+1]=='n') {
// none: this is "\n" sequence (formatted line ending for 3.0)
}
else {
i++;
if (c[i] == '\0')
break;
}
}
value[j] = c[i];
j++;
value[j] = '\0';
}
}
vprop->addValue(value);
ret = true;
finally:
// Shift buffer for next property to parse
//wcscpy(buffer, buffer+offset);
memmove(buffer, buffer+offset, (wcslen(buffer+offset) + 1)*sizeof(*buffer));
if (value) {
delete [] value; value = NULL;
}
if (allValues) {
delete [] allValues; allValues = NULL;
}
return ret;
}
