//In this function call, all buffered lines in lineDam will be sent to charset detector
// and a charset will be used to parse all those line and following lines in this mime obj.
static int
MimeInlineText_open_dam(char *line, int32_t length, MimeObject *obj)
{
MimeInlineText *text = (MimeInlineText *) obj;
const char* detectedCharset = nullptr;
nsresult res = NS_OK;
int status = 0;
int32_t i;
if (text->curDamOffset <= 0) {
//there is nothing in dam, use current line for detection
if (length > 0) {
res = MIME_detect_charset(line, length, &detectedCharset);
}
} else {
//we have stuff in dam, use the one
res = MIME_detect_charset(text->lineDamBuffer, text->curDamOffset, &detectedCharset);
}
//set the charset for this obj
if (NS_SUCCEEDED(res) && detectedCharset && *detectedCharset) {
PR_FREEIF(text->charset);
text->charset = strdup(detectedCharset);
//update MsgWindow charset if we are instructed to do so
if (text->needUpdateMsgWinCharset && *text->charset)
SetMailCharacterSetToMsgWindow(obj, text->charset);
}
//process dam and line using the charset
if (text->curDamOffset) {
for (i = 0; i < text->lastLineInDam-1; i++)
{
status = MimeInlineText_convert_and_parse_line(
text->lineDamPtrs[i],
text->lineDamPtrs[i+1] - text->lineDamPtrs[i],
obj );
}
status = MimeInlineText_convert_and_parse_line(
text->lineDamPtrs[i],
text->lineDamBuffer + text->curDamOffset - text->lineDamPtrs[i],
obj );
}
if (length)
status = MimeInlineText_convert_and_parse_line(line, length, obj);
PR_Free(text->lineDamPtrs);
PR_Free(text->lineDamBuffer);
text->lineDamPtrs = nullptr;
text->lineDamBuffer = nullptr;
text->inputAutodetect = false;
return status;
}
static int
MimeMessage_close_headers (MimeObject *obj)
{
MimeMessage *msg = (MimeMessage *) obj;
int status = 0;
char *ct = 0; /* Content-Type header */
MimeObject *body;
if (msg->hdrs)
{
PRBool outer_p = !obj->headers; /* is this the outermost message? */
#ifdef MIME_DRAFTS
if (outer_p &&
obj->options &&
(obj->options->decompose_file_p || obj->options->caller_need_root_headers) &&
obj->options->decompose_headers_info_fn)
{
#ifdef ENABLE_SMIME
if (obj->options->decrypt_p && !mime_crypto_object_p (msg->hdrs, PR_FALSE))
obj->options->decrypt_p = PR_FALSE;
#endif /* ENABLE_SMIME */
if (!obj->options->caller_need_root_headers || (obj == obj->options->state->root))
status = obj->options->decompose_headers_info_fn (
obj->options->stream_closure,
msg->hdrs );
}
#endif /* MIME_DRAFTS */
/* If this is the outermost message, we need to run the
`generate_header' callback. This happens here instead of
in `parse_begin', because it's only now that we've parsed
our headers. However, since this is the outermost message,
we have yet to write any HTML, so that's fine.
*/
if (outer_p &&
obj->output_p &&
obj->options &&
obj->options->write_html_p &&
obj->options->generate_header_html_fn)
{
int lstatus = 0;
char *html = 0;
/* The generate_header_html_fn might return HTML, so it's important
that the output stream be set up with the proper type before we
make the MimeObject_write() call below. */
if (!obj->options->state->first_data_written_p)
{
lstatus = MimeObject_output_init (obj, TEXT_HTML);
if (lstatus < 0) return lstatus;
PR_ASSERT(obj->options->state->first_data_written_p);
}
html = obj->options->generate_header_html_fn(NULL,
obj->options->html_closure,
msg->hdrs);
if (html)
{
lstatus = MimeObject_write(obj, html, strlen(html), PR_FALSE);
PR_Free(html);
if (lstatus < 0) return lstatus;
}
}
/* Find the content-type of the body of this message.
*/
{
PRBool ok = PR_TRUE;
char *mv = MimeHeaders_get (msg->hdrs, HEADER_MIME_VERSION,
PR_TRUE, PR_FALSE);
#ifdef REQUIRE_MIME_VERSION_HEADER
/* If this is the outermost message, it must have a MIME-Version
header with the value 1.0 for us to believe what might be in
the Content-Type header. If the MIME-Version header is not
present, we must treat this message as untyped.
*/
ok = (mv && !strcmp(mv, "1.0"));
#else
/* #### actually, we didn't check this in Mozilla 2.0, and checking
it now could cause some compatibility nonsense, so for now, let's
just believe any Content-Type header we see.
*/
ok = PR_TRUE;
#endif
if (ok)
{
ct = MimeHeaders_get (msg->hdrs, HEADER_CONTENT_TYPE, PR_TRUE, PR_FALSE);
/* If there is no Content-Type header, but there is a MIME-Version
header, then assume that this *is* in fact a MIME message.
(I've seen messages with
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
and no Content-Type, and we should treat those as being of type
MimeInlineTextPlain rather than MimeUntypedText.)
*/
if (mv && !ct)
ct = strdup(TEXT_PLAIN);
}
PR_FREEIF(mv); /* done with this now. */
}
/* If this message has a body which is encrypted and we're going to
decrypt it (whithout converting it to HTML, since decrypt_p and
write_html_p are never true at the same time)
*/
if (obj->output_p &&
obj->options &&
obj->options->decrypt_p
#ifdef ENABLE_SMIME
&& !mime_crypto_object_p (msg->hdrs, PR_FALSE)
#endif /* ENABLE_SMIME */
)
{
/* The body of this message is not an encrypted object, so we need
to turn off the decrypt_p flag (to prevent us from s#$%ing the
body of the internal object up into one.) In this case,
our output will end up being identical to our input.
*/
obj->options->decrypt_p = PR_FALSE;
}
/* Emit the HTML for this message's headers. Do this before
creating the object representing the body.
*/
if (obj->output_p &&
obj->options &&
obj->options->write_html_p)
{
/* If citation headers are on, and this is not the outermost message,
turn them off. */
if (obj->options->headers == MimeHeadersCitation && !outer_p)
obj->options->headers = MimeHeadersSome;
/* Emit a normal header block. */
status = MimeMessage_write_headers_html(obj);
if (status < 0) return status;
}
else if (obj->output_p)
{
/* Dump the headers, raw. */
status = MimeObject_write(obj, "", 0, PR_FALSE); /* initialize */
if (status < 0) return status;
status = MimeHeaders_write_raw_headers(msg->hdrs, obj->options,
obj->options->decrypt_p);
if (status < 0) return status;
}
#ifdef XP_UNIX
if (outer_p && obj->output_p)
/* Kludge from mimehdrs.c */
MimeHeaders_do_unix_display_hook_hack(msg->hdrs);
#endif /* XP_UNIX */
}
/* Never put out a separator after a message header block. */
if (obj->options && obj->options->state)
obj->options->state->separator_suppressed_p = PR_TRUE;
#ifdef MIME_DRAFTS
if ( !obj->headers && /* outer most message header */
obj->options &&
obj->options->decompose_file_p &&
ct )
obj->options->is_multipart_msg = PL_strcasestr(ct, "multipart/") != NULL;
#endif /* MIME_DRAFTS */
body = mime_create(ct, msg->hdrs, obj->options);
PR_FREEIF(ct);
if (!body) return MIME_OUT_OF_MEMORY;
status = ((MimeContainerClass *) obj->clazz)->add_child (obj, body);
if (status < 0)
{
mime_free(body);
return status;
}
// Only do this if this is a Text Object!
if ( mime_typep(body, (MimeObjectClass *) &mimeInlineTextClass) )
{
((MimeInlineText *) body)->needUpdateMsgWinCharset = PR_TRUE;
}
/* Now that we've added this new object to our list of children,
start its parser going. */
status = body->clazz->parse_begin(body);
if (status < 0) return status;
// Now notify the emitter if this is the outer most message, unless
// it is a part that is not the head of the message. If it's a part,
// we need to figure out the content type/charset of the part
//
PRBool outer_p = !obj->headers; /* is this the outermost message? */
if ( outer_p &&
(!obj->options->part_to_load || obj->options->format_out == nsMimeOutput::nsMimeMessageBodyDisplay))
{
// call SetMailCharacterSetToMsgWindow() to set a menu charset
if (mime_typep(body, (MimeObjectClass *) &mimeInlineTextClass))
{
MimeInlineText *text = (MimeInlineText *) body;
if (text && text->charset && *text->charset)
SetMailCharacterSetToMsgWindow(body, text->charset);
}
char *msgID = MimeHeaders_get (msg->hdrs, HEADER_MESSAGE_ID,
PR_FALSE, PR_FALSE);
const char *outCharset = NULL;
if (!obj->options->force_user_charset) /* Only convert if the user prefs is false */
outCharset = "UTF-8";
mimeEmitterStartBody(obj->options, (obj->options->headers == MimeHeadersNone), msgID, outCharset);
PR_FREEIF(msgID);
// setting up truncated message html fotter function
char *xmoz = MimeHeaders_get(msg->hdrs, HEADER_X_MOZILLA_STATUS, PR_FALSE,
PR_FALSE);
if (xmoz)
{
PRUint32 flags = 0;
char dummy = 0;
if (sscanf(xmoz, " %lx %c", &flags, &dummy) == 1 &&
flags & MSG_FLAG_PARTIAL)
{
obj->options->html_closure = obj;
obj->options->generate_footer_html_fn =
MimeMessage_partial_message_html;
}
PR_FREEIF(xmoz);
}
}
return 0;
}
static int
MimeMultipartSigned_emit_child (MimeObject *obj)
{
MimeMultipartSigned *sig = (MimeMultipartSigned *) obj;
MimeMultipart *mult = (MimeMultipart *) obj;
MimeContainer *cont = (MimeContainer *) obj;
int status = 0;
MimeObject *body;
NS_ASSERTION(sig->crypto_closure, "no crypto closure");
/* Emit some HTML saying whether the signature was cool.
But don't emit anything if in FO_QUOTE_MESSAGE mode.
*/
if (obj->options &&
obj->options->headers != MimeHeadersCitation &&
obj->options->write_html_p &&
obj->options->output_fn &&
obj->options->headers != MimeHeadersCitation &&
sig->crypto_closure)
{
char *html = (((MimeMultipartSignedClass *) obj->clazz)
->crypto_generate_html (sig->crypto_closure));
#if 0 // XXX For the moment, no HTML output. Fix this XXX //
if (!html) return -1; /* MIME_OUT_OF_MEMORY? */
status = MimeObject_write(obj, html, strlen(html), false);
PR_Free(html);
if (status < 0) return status;
#endif
/* Now that we have written out the crypto stamp, the outermost header
block is well and truly closed. If this is in fact the outermost
message, then run the post_header_html_fn now.
*/
if (obj->options &&
obj->options->state &&
obj->options->generate_post_header_html_fn &&
!obj->options->state->post_header_html_run_p)
{
MimeHeaders *outer_headers=nsnull;
MimeObject *p;
for (p = obj; p->parent; p = p->parent)
outer_headers = p->headers;
NS_ASSERTION(obj->options->state->first_data_written_p,
"should have already written some data");
html = obj->options->generate_post_header_html_fn(NULL,
obj->options->html_closure,
outer_headers);
obj->options->state->post_header_html_run_p = true;
if (html)
{
status = MimeObject_write(obj, html, strlen(html), false);
PR_Free(html);
if (status < 0) return status;
}
}
}
/* Oh, this is fairly nasty. We're skipping over our "create child" method
and using the one our superclass defines. Perhaps instead we should add
a new method on this class, and initialize that method to be the
create_child method of the superclass. Whatever.
*/
/* The superclass method expects to find the headers for the part that it's
to create in mult->hdrs, so ensure that they're there. */
NS_ASSERTION(!mult->hdrs, "shouldn't already have hdrs for multipart");
if (mult->hdrs) MimeHeaders_free(mult->hdrs);
mult->hdrs = sig->body_hdrs;
sig->body_hdrs = 0;
/* Run the superclass create_child method.
*/
status = (((MimeMultipartClass *)(&MIME_SUPERCLASS))->create_child(obj));
if (status < 0) return status;
// Notify the charset of the first part.
if (obj->options && !(obj->options->override_charset)) {
MimeObject *firstChild = ((MimeContainer*) obj)->children[0];
char *disposition = MimeHeaders_get (firstChild->headers,
HEADER_CONTENT_DISPOSITION,
true,
false);
// check if need to show as inline
if (!disposition)
{
const char *content_type = firstChild->content_type;
if (!PL_strcasecmp (content_type, TEXT_PLAIN) ||
!PL_strcasecmp (content_type, TEXT_HTML) ||
!PL_strcasecmp (content_type, TEXT_MDL) ||
!PL_strcasecmp (content_type, MULTIPART_ALTERNATIVE) ||
!PL_strcasecmp (content_type, MULTIPART_RELATED) ||
!PL_strcasecmp (content_type, MESSAGE_NEWS) ||
!PL_strcasecmp (content_type, MESSAGE_RFC822)) {
char *ct = MimeHeaders_get(mult->hdrs, HEADER_CONTENT_TYPE, false, false);
if (ct) {
char *cset = MimeHeaders_get_parameter (ct, "charset", NULL, NULL);
if (cset) {
mimeEmitterUpdateCharacterSet(obj->options, cset);
SetMailCharacterSetToMsgWindow(obj, cset);
PR_Free(cset);
}
PR_Free(ct);
}
}
}
}
// The js emitter wants to know about the newly created child. Because
// MimeMultipartSigned dummies out its create_child operation, the logic
// in MimeMultipart_parse_line that would normally provide this notification
// does not get to fire.
if (obj->options && obj->options->notify_nested_bodies) {
MimeObject *kid = ((MimeContainer*) obj)->children[0];
// The emitter is expecting the content type with parameters; not the fully
// parsed thing, so get it from raw. (We do not do it in the charset
// notification block that just happened because it already has complex
// if-checks that do not jive with us.
char *ct = MimeHeaders_get(mult->hdrs, HEADER_CONTENT_TYPE, false,
false);
mimeEmitterAddHeaderField(obj->options, HEADER_CONTENT_TYPE,
ct ? ct : "text/plain");
PR_Free(ct);
char *part_path = mime_part_address(kid);
if (part_path) {
mimeEmitterAddHeaderField(obj->options,
"x-jsemitter-part-path",
part_path);
PR_Free(part_path);
}
}
/* Retrieve the child that it created.
*/
NS_ASSERTION(cont->nchildren == 1, "should only have one child");
if (cont->nchildren != 1)
return -1;
body = cont->children[0];
NS_ASSERTION(body, "missing body");
if (!body)
return -1;
#ifdef MIME_DRAFTS
if (body->options->decompose_file_p) {
body->options->signed_p = true;
if (!mime_typep(body, (MimeObjectClass*)&mimeMultipartClass) &&
body->options->decompose_file_init_fn)
body->options->decompose_file_init_fn ( body->options->stream_closure, body->headers );
}
#endif /* MIME_DRAFTS */
/* If there's no part_buffer, this is a zero-length signed message? */
if (sig->part_buffer)
{
#ifdef MIME_DRAFTS
if (body->options->decompose_file_p &&
!mime_typep(body, (MimeObjectClass*)&mimeMultipartClass) &&
body->options->decompose_file_output_fn)
status = MimePartBufferRead (sig->part_buffer,
/* The (nsresult (*) ...) cast is to turn the
`void' argument into `MimeObject'. */
((nsresult (*) (const char *, PRInt32, void *))
body->options->decompose_file_output_fn),
body->options->stream_closure);
else
#endif /* MIME_DRAFTS */
status = MimePartBufferRead (sig->part_buffer,
/* The (nsresult (*) ...) cast is to turn the
`void' argument into `MimeObject'. */
((nsresult (*) (const char *, PRInt32, void *))
body->clazz->parse_buffer),
body);
if (status < 0) return status;
}
MimeMultipartSigned_cleanup(obj, false);
/* Done parsing. */
status = body->clazz->parse_eof(body, false);
if (status < 0) return status;
status = body->clazz->parse_end(body, false);
if (status < 0) return status;
#ifdef MIME_DRAFTS
if (body->options->decompose_file_p &&
!mime_typep(body, (MimeObjectClass*)&mimeMultipartClass) &&
body->options->decompose_file_close_fn)
body->options->decompose_file_close_fn(body->options->stream_closure);
#endif /* MIME_DRAFTS */
/* Put out a separator after every multipart/signed object. */
status = MimeObject_write_separator(obj);
if (status < 0) return status;
return 0;
}
static int
MimeInlineText_rotate_convert_and_parse_line(char *line, int32_t length,
MimeObject *obj)
{
int status = 0;
MimeInlineTextClass *textc = (MimeInlineTextClass *) obj->clazz;
PR_ASSERT(!obj->closed_p);
if (obj->closed_p) return -1;
/* Rotate the line, if desired (this happens on the raw data, before any
charset conversion.) */
if (obj->options && obj->options->rot13_p)
{
status = textc->rot13_line(obj, line, length);
if (status < 0) return status;
}
// Now convert to the canonical charset, if desired.
//
bool doConvert = true;
// Don't convert vCard data
if ( ( (obj->content_type) && (!PL_strcasecmp(obj->content_type, TEXT_VCARD)) ) ||
(obj->options->format_out == nsMimeOutput::nsMimeMessageSaveAs)
|| obj->options->format_out == nsMimeOutput::nsMimeMessageAttach)
doConvert = false;
// Only convert if the user prefs is false
if ( (obj->options && obj->options->charset_conversion_fn) &&
(!obj->options->force_user_charset) &&
(doConvert)
)
{
MimeInlineText *text = (MimeInlineText *) obj;
if (!text->initializeCharset)
{
MimeInlineText_initializeCharset(obj);
//update MsgWindow charset if we are instructed to do so
if (text->needUpdateMsgWinCharset && *text->charset)
SetMailCharacterSetToMsgWindow(obj, text->charset);
}
//if autodetect is on, push line to dam
if (text->inputAutodetect)
{
//see if we reach the lineDam buffer limit, if so, there is no need to keep buffering
if (text->lastLineInDam >= DAM_MAX_LINES ||
DAM_MAX_BUFFER_SIZE - text->curDamOffset <= length) {
//we let open dam process this line as well as thing that already in Dam
//In case there is nothing in dam because this line is too big, we need to
//perform autodetect on this line
status = MimeInlineText_open_dam(line, length, obj);
}
else {
//buffering current line
text->lineDamPtrs[text->lastLineInDam] = text->lineDamBuffer + text->curDamOffset;
memcpy(text->lineDamPtrs[text->lastLineInDam], line, length);
text->lastLineInDam++;
text->curDamOffset += length;
}
}
else
status = MimeInlineText_convert_and_parse_line(line, length, obj);
}
else
status = obj->clazz->parse_line(line, length, obj);
return status;
}
static int
MimeInlineText_convert_and_parse_line(char *line, int32_t length, MimeObject *obj)
{
int status;
char *converted = 0;
int32_t converted_len = 0;
MimeInlineText *text = (MimeInlineText *) obj;
//in case of charset autodetection, charset can be override by meta charset
if (text->charsetOverridable) {
if (mime_typep(obj, (MimeObjectClass *) &mimeInlineTextHTMLClass))
{
MimeInlineTextHTML *textHTML = (MimeInlineTextHTML *) obj;
if (textHTML->charset &&
*textHTML->charset &&
strcmp(textHTML->charset, text->charset))
{
//if meta tag specified charset is different from our detected result, use meta charset.
//but we don't want to redo previous lines
MIME_get_unicode_decoder(textHTML->charset, getter_AddRefs(text->inputDecoder));
PR_FREEIF(text->charset);
text->charset = strdup(textHTML->charset);
//update MsgWindow charset if we are instructed to do so
if (text->needUpdateMsgWinCharset && *text->charset)
SetMailCharacterSetToMsgWindow(obj, text->charset);
}
}
}
//initiate decoder if not yet
if (text->inputDecoder == nullptr)
MIME_get_unicode_decoder(text->charset, getter_AddRefs(text->inputDecoder));
// If no decoder found, use ""UTF-8"", that will map most non-US-ASCII chars as invalid
// A pure-ASCII only decoder would be better, but there is none
if (text->inputDecoder == nullptr)
MIME_get_unicode_decoder("UTF-8", getter_AddRefs(text->inputDecoder));
if (text->utf8Encoder == nullptr)
MIME_get_unicode_encoder("UTF-8", getter_AddRefs(text->utf8Encoder));
bool useInputCharsetConverter = obj->options->m_inputCharsetToUnicodeDecoder && !PL_strcasecmp(text->charset, obj->options->charsetForCachedInputDecoder.get());
if (useInputCharsetConverter)
status = obj->options->charset_conversion_fn(line, length,
text->charset,
"UTF-8",
&converted,
&converted_len,
obj->options->stream_closure, obj->options->m_inputCharsetToUnicodeDecoder,
obj->options->m_unicodeToUTF8Encoder);
else
status = obj->options->charset_conversion_fn(line, length,
text->charset,
"UTF-8",
&converted,
&converted_len,
obj->options->stream_closure, (nsIUnicodeDecoder*)text->inputDecoder,
(nsIUnicodeEncoder*)text->utf8Encoder);
if (status < 0)
{
PR_FREEIF(converted);
return status;
}
if (converted)
{
line = converted;
length = converted_len;
}
/* Now that the line has been converted, call the subclass's parse_line
method with the decoded data. */
status = obj->clazz->parse_line(line, length, obj);
PR_FREEIF(converted);
return status;
}
static int
MimeMultipart_parse_line (const char *line, PRInt32 length, MimeObject *obj)
{
MimeMultipart *mult = (MimeMultipart *) obj;
int status = 0;
MimeMultipartBoundaryType boundary;
NS_ASSERTION(line && *line, "empty line in multipart parse_line");
if (!line || !*line) return -1;
NS_ASSERTION(!obj->closed_p, "obj shouldn't already be closed");
if (obj->closed_p) return -1;
/* If we're supposed to write this object, but aren't supposed to convert
it to HTML, simply pass it through unaltered. */
if (obj->output_p &&
obj->options &&
!obj->options->write_html_p &&
obj->options->output_fn
&& obj->options->format_out != nsMimeOutput::nsMimeMessageAttach)
return MimeObject_write(obj, line, length, PR_TRUE);
if (mult->state == MimeMultipartEpilogue) /* already done */
boundary = MimeMultipartBoundaryTypeNone;
else
boundary = ((MimeMultipartClass *)obj->clazz)->check_boundary(obj, line,
length);
if (boundary == MimeMultipartBoundaryTypeTerminator ||
boundary == MimeMultipartBoundaryTypeSeparator)
{
/* Match! Close the currently-open part, move on to the next
state, and discard this line.
*/
PRBool endOfPart = (mult->state != MimeMultipartPreamble);
if (endOfPart)
status = ((MimeMultipartClass *)obj->clazz)->close_child(obj);
if (status < 0) return status;
if (boundary == MimeMultipartBoundaryTypeTerminator)
mult->state = MimeMultipartEpilogue;
else
{
mult->state = MimeMultipartHeaders;
/* Reset the header parser for this upcoming part. */
NS_ASSERTION(!mult->hdrs, "mult->hdrs should be null here");
if (mult->hdrs)
MimeHeaders_free(mult->hdrs);
mult->hdrs = MimeHeaders_new();
if (!mult->hdrs)
return MIME_OUT_OF_MEMORY;
if (obj->options && obj->options->state &&
obj->options->state->partsToStrip.Length() > 0)
{
nsCAutoString newPart(mime_part_address(obj));
MimeContainer *container = (MimeContainer*) obj;
newPart.Append('.');
newPart.AppendInt(container->nchildren + 1);
obj->options->state->strippingPart = PR_FALSE;
// check if this is a sub-part of a part we're stripping.
for (PRUint32 partIndex = 0; partIndex < obj->options->state->partsToStrip.Length(); partIndex++)
{
nsCString &curPartToStrip = obj->options->state->partsToStrip[partIndex];
if (newPart.Find(curPartToStrip) == 0 && (newPart.Length() == curPartToStrip.Length() || newPart.CharAt(curPartToStrip.Length()) == '.'))
{
obj->options->state->strippingPart = PR_TRUE;
if (partIndex < obj->options->state->detachToFiles.Length())
obj->options->state->detachedFilePath = obj->options->state->detachToFiles[partIndex];
break;
}
}
}
}
// if stripping out attachments, write the boundary line. Otherwise, return
// to ignore it.
if (obj->options && obj->options->format_out == nsMimeOutput::nsMimeMessageAttach)
{
// Because MimeMultipart_parse_child_line strips out the
// the CRLF of the last line before the end of a part, we need to add that
// back in here.
if (endOfPart)
MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK));
status = MimeObject_write(obj, line, length, PR_TRUE);
}
return 0;
}
/* Otherwise, this isn't a boundary string. So do whatever it is we
should do with this line (parse it as a header, feed it to the
child part, ignore it, etc.) */
switch (mult->state)
{
case MimeMultipartPreamble:
case MimeMultipartEpilogue:
/* Ignore this line. */
break;
case MimeMultipartHeaders:
/* Parse this line as a header for the sub-part. */
{
status = MimeHeaders_parse_line(line, length, mult->hdrs);
if (status < 0) return status;
// If this line is blank, we're now done parsing headers, and should
// now examine the content-type to create this "body" part.
//
if (*line == '\r' || *line == '\n')
{
if (obj->options && obj->options->state &&
obj->options->state->strippingPart)
{
PRBool detachingPart = obj->options->state->detachedFilePath.Length() > 0;
nsCAutoString fileName;
fileName.Adopt(MimeHeaders_get_name(mult->hdrs, obj->options));
if (detachingPart)
{
char *contentType = MimeHeaders_get(mult->hdrs, "Content-Type", PR_FALSE, PR_FALSE);
if (contentType)
{
MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Type: "));
MimeWriteAString(obj, nsDependentCString(contentType));
PR_Free(contentType);
}
MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK));
MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Disposition: attachment; filename=\""));
MimeWriteAString(obj, fileName);
MimeWriteAString(obj, NS_LITERAL_CSTRING("\""MSG_LINEBREAK));
MimeWriteAString(obj, NS_LITERAL_CSTRING("X-Mozilla-External-Attachment-URL: "));
MimeWriteAString(obj, obj->options->state->detachedFilePath);
MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK));
MimeWriteAString(obj, NS_LITERAL_CSTRING("X-Mozilla-Altered: AttachmentDetached; date=\""));
}
else
{
nsCAutoString header("Content-Type: text/x-moz-deleted; name=\"Deleted: ");
header.Append(fileName);
status = MimeWriteAString(obj, header);
if (status < 0)
return status;
status = MimeWriteAString(obj, NS_LITERAL_CSTRING("\""MSG_LINEBREAK"Content-Transfer-Encoding: 8bit"MSG_LINEBREAK));
MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Disposition: inline; filename=\"Deleted: "));
MimeWriteAString(obj, fileName);
MimeWriteAString(obj, NS_LITERAL_CSTRING("\""MSG_LINEBREAK"X-Mozilla-Altered: AttachmentDeleted; date=\""));
}
nsCString result;
char timeBuffer[128];
PRExplodedTime now;
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now);
PR_FormatTimeUSEnglish(timeBuffer, sizeof(timeBuffer),
"%a %b %d %H:%M:%S %Y",
&now);
MimeWriteAString(obj, nsDependentCString(timeBuffer));
MimeWriteAString(obj, NS_LITERAL_CSTRING("\""MSG_LINEBREAK));
MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK"You deleted an attachment from this message. The original MIME headers for the attachment were:"MSG_LINEBREAK));
MimeHeaders_write_raw_headers(mult->hdrs, obj->options, PR_FALSE);
}
status = ((MimeMultipartClass *) obj->clazz)->create_child(obj);
if (status < 0) return status;
NS_ASSERTION(mult->state != MimeMultipartHeaders,
"mult->state shouldn't be MimeMultipartHeaders");
// Ok, at this point, we need to examine the headers and see if there
// is a special charset (i.e. non US-ASCII) for this message. If so,
// we need to tell the emitter that this is the case for use in in any
// possible reply or forward operation.
//
PRBool isBody = PR_FALSE;
PRBool isAlternative = PR_FALSE;
MimeContainer *container = (MimeContainer*) obj;
// check if we're stripping the part of this newly created child.
if (container->children && container->nchildren > 0)
{
MimeObject *kid = container->children[container->nchildren-1];
if (kid->output_p)
kid->output_p = !(obj->options && obj->options->state &&
obj->options->state->strippingPart);
}
if (container->children && container->nchildren == 1)
{
PRBool isAlternativeOrRelated = PR_FALSE;
isBody = MimeObjectChildIsMessageBody(obj, &isAlternativeOrRelated);
// MimeObjectChildIsMessageBody returns false for "multipart/related"
// but we want to use the first part charset if that's a body.
// I don't want to change the behavior of MimeObjectChildIsMessageBody
// which is used by other places, so do the body check here.
if (!isBody &&
isAlternativeOrRelated &&
mime_subclass_p(obj->clazz, (MimeObjectClass*) &mimeMultipartRelatedClass))
{
MimeObject *firstChild = container->children[0];
char *disposition = MimeHeaders_get (firstChild->headers,
HEADER_CONTENT_DISPOSITION,
PR_TRUE,
PR_FALSE);
if (!disposition)
{
if (!PL_strcasecmp (firstChild->content_type, TEXT_PLAIN) ||
!PL_strcasecmp (firstChild->content_type, TEXT_HTML) ||
!PL_strcasecmp (firstChild->content_type, TEXT_MDL) ||
!PL_strcasecmp (firstChild->content_type, MULTIPART_ALTERNATIVE) ||
!PL_strcasecmp (firstChild->content_type, MULTIPART_RELATED) ||
!PL_strcasecmp (firstChild->content_type, MESSAGE_NEWS) ||
!PL_strcasecmp (firstChild->content_type, MESSAGE_RFC822))
isBody = PR_TRUE;
}
}
}
else
isAlternative = mime_subclass_p(obj->clazz, (MimeObjectClass*) &mimeMultipartAlternativeClass);
// If "multipart/alternative" or the first part is a message body
// then we should check for a charset and notify the emitter
// if one exists.
if (obj->options &&
((isAlternative && mult->state != MimeMultipartSkipPartLine) ||
isBody || obj->options->notify_nested_bodies))
{
{
char *ct = MimeHeaders_get(mult->hdrs, HEADER_CONTENT_TYPE, PR_FALSE, PR_FALSE);
if (ct)
{
if (obj->options->notify_nested_bodies)
mimeEmitterAddHeaderField(obj->options, HEADER_CONTENT_TYPE,
ct);
char *cset = MimeHeaders_get_parameter (ct, "charset", NULL, NULL);
if (cset)
{
mimeEmitterUpdateCharacterSet(obj->options, cset);
if (!(obj->options->override_charset))
// Also set this charset to msgWindow
SetMailCharacterSetToMsgWindow(obj, cset);
}
PR_FREEIF(ct);
PR_FREEIF(cset);
}
// no content type means text/plain.
else if (obj->options->notify_nested_bodies)
{
mimeEmitterAddHeaderField(obj->options, HEADER_CONTENT_TYPE,
"text/plain");
}
if (obj->options->notify_nested_bodies && container->nchildren)
{
MimeObject *kid = container->children[container->nchildren-1];
char *part_path = mime_part_address(kid);
if (part_path)
{
mimeEmitterAddHeaderField(obj->options,
"x-jsemitter-part-path",
part_path);
PR_Free(part_path);
}
}
}
}
}
break;
}
case MimeMultipartPartFirstLine:
/* Hand this line off to the sub-part. */
status = (((MimeMultipartClass *) obj->clazz)->parse_child_line(obj,
line, length, PR_TRUE));
if (status < 0) return status;
mult->state = MimeMultipartPartLine;
break;
case MimeMultipartPartLine:
/* Hand this line off to the sub-part. */
status = (((MimeMultipartClass *) obj->clazz)->parse_child_line(obj,
line, length, PR_FALSE));
if (status < 0) return status;
break;
case MimeMultipartSkipPartLine:
/* we are skipping that part, therefore just ignore the line */
break;
default:
NS_ERROR("unexpected state in parse line");
return -1;
}
if (obj->options &&
obj->options->format_out == nsMimeOutput::nsMimeMessageAttach &&
(!(obj->options->state && obj->options->state->strippingPart) &&
mult->state != MimeMultipartPartLine))
return MimeObject_write(obj, line, length, PR_FALSE);
return 0;
}
