char *
DmxMsg::getHeaders (DtMailBoolean abbreviated_only)
{
DtMailEnv error;
DtMail::Session *m_session = theRoamApp.session()->session();
DtMail::MailRc *mail_rc = m_session->mailRc(error);
DtMail::Envelope *env = message->getEnvelope(error);
DtMailHeaderHandle hdr_hnd;
char *name;
DtMailValueSeq value;
// Code from MsgScrollingList - display_message().
// We're trying to reduce heap size by not allocating and
// deleting space in every loop iteration. So just have a
// fixed size buffer initially.
//
// Initial line size. When not enough, allocate more.
int buffer_size = 2048;
char *buffer = new char [buffer_size];
int count = 0;
int hdr_num = 0;
char *newline = "\n";
char *separator = ": ";
int val = 0;
//
// Iterate through each header in the message and add it
// to the buffer.
//
for (hdr_hnd = env->getFirstHeader(error, &name, value), *buffer = '\0';
hdr_hnd && !error.isSet();
hdr_hnd = env->getNextHeader(error, hdr_hnd, &name, value), hdr_num++)
{
if (abbreviated_only == DTM_TRUE &&
(hdr_num != 0 || strcmp(name, "From") != 0))
{
DtMailEnv ierror;
if (mail_rc->ignore(ierror, name))
{
free(name);
value.clear();
continue;
}
}
for (val=0; val<value.length(); val++)
count += strlen(name) +
strlen(*(value[val])) +
strlen(separator) +
strlen(newline) + 1;
if (count > buffer_size)
{
// Need to increase buffer size.
char *new_buffer;
buffer_size *= 2;
new_buffer = new char [buffer_size];
memset(new_buffer, 0, buffer_size);
strcpy(new_buffer, buffer);
delete [] buffer;
buffer = new_buffer;
}
for (val=0; val<value.length(); val++)
{
strcat(buffer, name);
if (hdr_num != 0 || strcmp(name, "From") != 0)
strcat(buffer, separator);
else
strcat(buffer, " ");
strcat(buffer, *(value[val]));
strcat(buffer, newline);
}
value.clear();
free(name);
}
//
// Need to free this after using;
//
return buffer;
}
void
RFCFormat::writeHeaders(DtMailEnv & error,
DtMail::Message & msg,
DtMailBoolean include_unix_from,
const char * extra_headers,
const char ** suppress_headers,
Buffer & buf)
{
error.clear();
// First we copy each header from the message to the
// buffer. The headers may need encoding to put them away, so
// we will apply RFC1522 if necessary.
//
DtMailHeaderHandle hnd;
DtMail::Envelope * env = msg.getEnvelope(error);
if (error.isSet()) {
return;
}
char * name = NULL;
DtMailValueSeq value;
hnd = env->getFirstHeader(error, &name, value);
if (!hnd || error.isSet()) {
return;
}
if (include_unix_from &&
(error.isSet() || strcmp(name, "From") != 0)) {
// We require a Unix from line, and we don't have one.
// we will make one up using the sender, and the current
// date.
//
char *unix_from = new char[100];
strcpy(unix_from, "From ");
DtMailValueSeq sender;
env->getHeader(error, DtMailMessageSender, DTM_TRUE, sender);
if (error.isSet()) {
// We no longer know who this is really from.
//
strcat(unix_from, "nobody@nowhere");
}
else {
DtMailAddressSeq * addrSeq = sender[0]->toAddress();
strcat(unix_from, (*addrSeq)[0]->dtm_address);
delete addrSeq;
}
error.clear();
time_t now = time(NULL);
char time_format[30];
SafeCtime(&now, time_format, sizeof(time_format));
strcat(unix_from, " ");
strcat(unix_from, time_format);
buf.appendData(unix_from, strlen(unix_from));
delete [] unix_from;
}
else {
// Put out any header, except Unix From line
//
if (strcmp(name, "From") == 0) {
value.clear();
free(name);
hnd = env->getNextHeader(error, hnd, &name, value);
}
}
for (; // First time is determined above.
hnd && !error.isSet();
value.clear(), hnd = env->getNextHeader(error, hnd, &name, value)) {
const char **hdr;
for (hdr = suppress_headers; *hdr; hdr++) {
if (strcasecmp(name, *hdr) == 0)
break;
}
//add _is_write_bcc for fixing aix defect 177096
if (*hdr || strcasecmp(name, "bcc") == 0 && !_is_write_bcc ) {
free(name);
continue; // We will generate these headers.
}
int name_len = strlen(name);
for (int val = 0; val < value.length(); val++) {
//
// If the value is null or empty do not emit this field
const char *valPtr;
for (valPtr = *(value[val]);
*valPtr && (isspace((unsigned char)*valPtr));
valPtr++)
{}
if (!*valPtr)
continue;
buf.appendData(name, name_len);
buf.appendData(": ", 2);
rfc1522cpy(buf, *(value[val]));
}
free(name);
}
error.clear();
buf.appendData(extra_headers, strlen(extra_headers));
// Add new line that terminates the headers.
//
crlf(buf);
}
