Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "nsCOMPtr.h"
#include "mimeeobj.h"
#include "prmem.h"
#include "plstr.h"
#include "prlog.h"
#include "nsMimeStringResources.h"
#include "mimemoz2.h"
#include "mimemapl.h"
#include "nsMimeTypes.h"
#define MIME_SUPERCLASS mimeLeafClass
MimeDefClass(MimeExternalObject, MimeExternalObjectClass,
mimeExternalObjectClass, &MIME_SUPERCLASS);
static int MimeExternalObject_initialize(MimeObject*);
static void MimeExternalObject_finalize(MimeObject*);
static int MimeExternalObject_parse_begin(MimeObject*);
static int MimeExternalObject_parse_buffer(const char*, int32_t, MimeObject*);
static int MimeExternalObject_parse_line(const char*, int32_t, MimeObject*);
static int MimeExternalObject_parse_decoded_buffer(const char*, int32_t,
MimeObject*);
static bool MimeExternalObject_displayable_inline_p(MimeObjectClass* clazz,
MimeHeaders* hdrs);
static int MimeExternalObjectClassInitialize(MimeObjectClass* oclass) {
MimeLeafClass* lclass = (MimeLeafClass*)oclass;
NS_ASSERTION(!oclass->class_initialized,
"1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
oclass->initialize = MimeExternalObject_initialize;
oclass->finalize = MimeExternalObject_finalize;
oclass->parse_begin = MimeExternalObject_parse_begin;
oclass->parse_buffer = MimeExternalObject_parse_buffer;
oclass->parse_line = MimeExternalObject_parse_line;
oclass->displayable_inline_p = MimeExternalObject_displayable_inline_p;
lclass->parse_decoded_buffer = MimeExternalObject_parse_decoded_buffer;
return 0;
}
static int MimeExternalObject_initialize(MimeObject* object) {
return ((MimeObjectClass*)&MIME_SUPERCLASS)->initialize(object);
}
static void MimeExternalObject_finalize(MimeObject* object) {
((MimeObjectClass*)&MIME_SUPERCLASS)->finalize(object);
}
static int MimeExternalObject_parse_begin(MimeObject* obj) {
int status;
status = ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_begin(obj);
if (status < 0) return status;
// If we're writing this object, and we're doing it in raw form, then
// now is the time to inform the backend what the type of this data is.
//
if (obj->output_p && obj->options && !obj->options->write_html_p &&
!obj->options->state->first_data_written_p) {
status = MimeObject_output_init(obj, 0);
if (status < 0) return status;
NS_ASSERTION(obj->options->state->first_data_written_p,
"1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
}
//
// If we're writing this object as HTML, do all the work now -- just write
// out a table with a link in it. (Later calls to the `parse_buffer' method
// will simply discard the data of the object itself.)
//
if (obj->options && obj->output_p && obj->options->write_html_p &&
obj->options->output_fn) {
MimeDisplayOptions newopt = *obj->options; // copy it
char* id = 0;
char* id_url = 0;
char* id_name = 0;
nsCString id_imap;
bool all_headers_p = obj->options->headers == MimeHeadersAll;
id = mime_part_address(obj);
if (obj->options->missing_parts) id_imap.Adopt(mime_imap_part_address(obj));
if (!id) return MIME_OUT_OF_MEMORY;
if (obj->options && obj->options->url) {
const char* url = obj->options->url;
if (!id_imap.IsEmpty() && id) {
// if this is an IMAP part.
id_url = mime_set_url_imap_part(url, id_imap.get(), id);
} else {
// This is just a normal MIME part as usual.
id_url = mime_set_url_part(url, id, true);
}
if (!id_url) {
PR_Free(id);
return MIME_OUT_OF_MEMORY;
}
}
if (!strcmp(id, "0")) {
PR_Free(id);
id = MimeGetStringByID(MIME_MSG_ATTACHMENT);
} else {
const char* p = "Part ";
uint32_t slen = strlen(p) + strlen(id) + 1;
char* s = (char*)PR_MALLOC(slen);
if (!s) {
PR_Free(id);
PR_Free(id_url);
return MIME_OUT_OF_MEMORY;
}
// we have a valid id
if (id) id_name = mime_find_suggested_name_of_part(id, obj);
PL_strncpyz(s, p, slen);
PL_strcatn(s, slen, id);
PR_Free(id);
id = s;
}
if (all_headers_p &&
// Don't bother showing all headers on this part if it's the only
// part in the message: in that case, we've already shown these
// headers.
obj->options->state && obj->options->state->root == obj->parent)
all_headers_p = false;
newopt.fancy_headers_p = true;
newopt.headers = (all_headers_p ? MimeHeadersAll : MimeHeadersSome);
/******
RICHIE SHERRY
GOTTA STILL DO THIS FOR QUOTING!
status = MimeHeaders_write_attachment_box(obj->headers, &newopt,
obj->content_type,
obj->encoding,
id_name? id_name : id, id_url, 0)
*****/
// obj->options really owns the storage for this.
newopt.part_to_load = nullptr;
newopt.default_charset = nullptr;
PR_FREEIF(id);
PR_FREEIF(id_url);
PR_FREEIF(id_name);
if (status < 0) return status;
}
return 0;
}
static int MimeExternalObject_parse_buffer(const char* buffer, int32_t size,
MimeObject* obj) {
NS_ASSERTION(!obj->closed_p, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
if (obj->closed_p) return -1;
// Currently, we always want to stream, in order to determine the size of the
// MIME object.
/* The data will be base64-decoded and passed to
MimeExternalObject_parse_decoded_buffer. */
return ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_buffer(buffer, size, obj);
}
static int MimeExternalObject_parse_decoded_buffer(const char* buf,
int32_t size,
MimeObject* obj) {
/* This is called (by MimeLeafClass->parse_buffer) with blocks of data
that have already been base64-decoded. This will only be called in
the case where we're not emitting HTML, and want access to the raw
data itself.
We override the `parse_decoded_buffer' method provided by MimeLeaf
because, unlike most children of MimeLeaf, we do not want to line-
buffer the decoded data -- we want to simply pass it along to the
backend, without going through our `parse_line' method.
*/
/* Don't do a roundtrip through XPConnect when we're only interested in
* metadata and size. This includes when we are writing HTML (otherwise, the
* contents of binary attachments will just get dumped into messages when
* reading them) and the JS emitter (which doesn't care about attachment data
* at all). 0 means ok, the caller just checks for negative return value.
*/
if (obj->options &&
(obj->options->metadata_only || obj->options->write_html_p))
return 0;
else
return MimeObject_write(obj, buf, size, true);
}
static int MimeExternalObject_parse_line(const char* line, int32_t length,
MimeObject* obj) {
NS_ERROR(
"This method should never be called (externals do no line buffering).");
return -1;
}
static bool MimeExternalObject_displayable_inline_p(MimeObjectClass* clazz,
MimeHeaders* hdrs) {
return false;
}
#undef MIME_SUPERCLASS
#define MIME_SUPERCLASS mimeExternalObjectClass
MimeDefClass(MimeSuppressedCrypto, MimeSuppressedCryptoClass,
mimeSuppressedCryptoClass, &MIME_SUPERCLASS);
static int MimeSuppressedCryptoClassInitialize(MimeObjectClass* oclass) {
return MimeExternalObjectClassInitialize(oclass);
}