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
MimeEncrypted_emit_buffered_child(MimeObject *obj)
{
MimeEncrypted *enc = (MimeEncrypted *) obj;
int status = 0;
char *ct = 0;
MimeObject *body;
NS_ASSERTION(enc->crypto_closure, "1.2 <*****@*****.**> 01 Nov 2001 17:59");
/* Emit some HTML saying whether the signature was cool.
But don't emit anything if in FO_QUOTE_MESSAGE mode.
Also, don't emit anything if the enclosed object is itself a signed
object -- in the case of an encrypted object which contains a signed
object, we only emit the HTML once (since the normal way of encrypting
and signing is to nest the signature inside the crypto envelope.)
*/
if (enc->crypto_closure &&
obj->options &&
obj->options->headers != MimeHeadersCitation &&
obj->options->write_html_p &&
obj->options->output_fn)
// && !mime_crypto_object_p(enc->hdrs, PR_TRUE)) // XXX fix later XXX //
{
char *html;
#if 0 // XXX Fix this later XXX //
char *html = (((MimeEncryptedClass *) obj->clazz)->crypto_generate_html
(enc->crypto_closure));
if (!html) return -1; /* MK_OUT_OF_MEMORY? */
status = MimeObject_write(obj, html, nsCRT::strlen(html), PR_FALSE);
PR_FREEIF(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, "1.2 <*****@*****.**> 01 Nov 2001 17:59");
html = obj->options->generate_post_header_html_fn(NULL,
obj->options->html_closure,
outer_headers);
obj->options->state->post_header_html_run_p = PR_TRUE;
if (html)
{
status = MimeObject_write(obj, html, strlen(html), PR_FALSE);
PR_FREEIF(html);
if (status < 0) return status;
}
}
}
else if (enc->crypto_closure &&
obj->options &&
obj->options->decrypt_p)
{
/* Do this just to cause `mime_set_crypto_stamp' to be called, and to
cause the various `decode_error' and `verify_error' slots to be set:
we don't actually use the returned HTML, because we're not emitting
HTML. It's maybe not such a good thing that the determination of
whether it was encrypted or not is tied up with generating HTML,
but oh well. */
char *html = (((MimeEncryptedClass *) obj->clazz)->crypto_generate_html
(enc->crypto_closure));
PR_FREEIF(html);
}
if (enc->hdrs)
ct = MimeHeaders_get (enc->hdrs, HEADER_CONTENT_TYPE, PR_TRUE, PR_FALSE);
body = mime_create((ct ? ct : TEXT_PLAIN), enc->hdrs, obj->options);
#ifdef MIME_DRAFTS
if (obj->options->decompose_file_p) {
if (mime_typep (body, (MimeObjectClass*) &mimeMultipartClass) )
obj->options->is_multipart_msg = PR_TRUE;
else if (obj->options->decompose_file_init_fn)
obj->options->decompose_file_init_fn(obj->options->stream_closure,
enc->hdrs);
}
#endif /* MIME_DRAFTS */
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;
}
/* 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;
/* If this object (or the parent) is being output, then by definition
the child is as well. (This is only necessary because this is such
a funny sort of container...)
*/
if (!body->output_p &&
(obj->output_p ||
(obj->parent && obj->parent->output_p)))
body->output_p = PR_TRUE;
/* If the body is being written raw (not as HTML) then make sure to
write its headers as well. */
if (body->output_p && obj->output_p && !obj->options->write_html_p)
{
status = MimeObject_write(body, "", 0, PR_FALSE); /* initialize */
if (status < 0) return status;
status = MimeHeaders_write_raw_headers(body->headers, obj->options,
PR_FALSE);
if (status < 0) return status;
}
if (enc->part_buffer) /* part_buffer is 0 for 0-length encrypted data. */
#ifdef MIME_DRAFTS
if (obj->options->decompose_file_p && !obj->options->is_multipart_msg)
status = MimePartBufferRead(enc->part_buffer,
/* The (nsresult (*) ...) cast is to turn the `void'
argument into `MimeObject'. */
((nsresult (*) (const char *, PRInt32, void *))
obj->options->decompose_file_output_fn),
obj->options->stream_closure);
else
#endif /* MIME_DRAFTS */
status = MimePartBufferRead(enc->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;
/* The child has been fully processed. Close it off.
*/
status = body->clazz->parse_eof(body, PR_FALSE);
if (status < 0) return status;
status = body->clazz->parse_end(body, PR_FALSE);
if (status < 0) return status;
#ifdef MIME_DRAFTS
if (obj->options->decompose_file_p && !obj->options->is_multipart_msg)
obj->options->decompose_file_close_fn(obj->options->stream_closure);
#endif /* MIME_DRAFTS */
/* Put out a separator after every encrypted object. */
status = MimeObject_write_separator(obj);
if (status < 0) return status;
MimeEncrypted_cleanup (obj, PR_FALSE);
return 0;
}
static int
MimeMultipartAlternative_display_cached_part(MimeObject *obj,
MimeHeaders *hdrs,
MimePartBufferData *buffer,
bool do_display)
{
int status;
char *ct = (hdrs
? MimeHeaders_get (hdrs, HEADER_CONTENT_TYPE, true, false)
: 0);
const char *dct = (((MimeMultipartClass *) obj->clazz)->default_part_type);
MimeObject *body;
/** Don't pass in NULL as the content-type (this means that the
* auto-uudecode-hack won't ever be done for subparts of a
* multipart, but only for untyped children of message/rfc822.
*/
const char *uct = (ct && *ct) ? ct : (dct ? dct: TEXT_PLAIN);
// We always want to display the cached part inline.
body = mime_create(uct, hdrs, obj->options, true);
PR_FREEIF(ct);
if (!body) return MIME_OUT_OF_MEMORY;
body->output_p = do_display;
status = ((MimeContainerClass *) obj->clazz)->add_child(obj, body);
if (status < 0)
{
mime_free(body);
return status;
}
/* We need to muck around with the options to prevent output when
do_display is false. More about this below. */
/* add_child assigns body->options from obj->options, but that's
just a pointer so if we muck with it in the child it'll modify
the parent as well, which we definitely don't want. Therefore we
need to make a copy. */
body->options = new MimeDisplayOptions;
*body->options = *obj->options;
/* But we have to be careful about getting into a situation where
memory could be double-freed. All of this is a gross abstraction
violation which could be avoided if it were possible to tell
parse_begin what output_p should be. */
if (body->options->part_to_load)
body->options->part_to_load = strdup(body->options->part_to_load);
if (body->options->default_charset)
body->options->default_charset = strdup(body->options->default_charset);
/* parse_begin resets output_p. This is quite annoying. To convince
it that we mean business, we set output_fn to null if we don't
want output. */
if (! do_display)
body->options->output_fn = nullptr;
#ifdef MIME_DRAFTS
/* if this object is a child of a multipart/related object, the parent is
taking care of decomposing the whole part, don't need to do it at this level.
However, we still have to call decompose_file_init_fn and decompose_file_close_fn
in order to set the correct content-type. But don't call MimePartBufferRead
*/
bool multipartRelatedChild = mime_typep(obj->parent,(MimeObjectClass*)&mimeMultipartRelatedClass);
bool decomposeFile = do_display && obj->options &&
obj->options->decompose_file_p &&
obj->options->decompose_file_init_fn &&
!mime_typep(body, (MimeObjectClass *) &mimeMultipartClass);
if (decomposeFile)
{
status = obj->options->decompose_file_init_fn (
obj->options->stream_closure, hdrs);
if (status < 0) return status;
}
#endif /* MIME_DRAFTS */
/* Now that we've added this new object to our list of children,
notify emitters and start its parser going. */
MimeMultipart_notify_emitter(body);
status = body->clazz->parse_begin(body);
if (status < 0) return status;
/* Now that parse_begin is done mucking with output_p, we can put
body->options back to what it's supposed to be. Avoids a memory
leak. */
delete body->options;
body->options = obj->options;
#ifdef MIME_DRAFTS
if (decomposeFile && !multipartRelatedChild)
status = MimePartBufferRead (buffer,
obj->options->decompose_file_output_fn,
obj->options->stream_closure);
else
#endif /* MIME_DRAFTS */
status = MimePartBufferRead (buffer,
/* The MimeConverterOutputCallback cast is to turn the
`void' argument into `MimeObject'. */
((MimeConverterOutputCallback) body->clazz->parse_buffer),
body);
if (status < 0) return status;
/* 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 (decomposeFile)
{
status = obj->options->decompose_file_close_fn ( obj->options->stream_closure );
if (status < 0) return status;
}
#endif /* MIME_DRAFTS */
return 0;
}