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-rw-r--r--comm/mailnews/mime/src/mimeeobj.cpp215
1 files changed, 215 insertions, 0 deletions
diff --git a/comm/mailnews/mime/src/mimeeobj.cpp b/comm/mailnews/mime/src/mimeeobj.cpp
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+++ b/comm/mailnews/mime/src/mimeeobj.cpp
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+/* -*- 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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#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(MimeExternalObjectClass* clazz) {
+ MimeObjectClass* oclass = (MimeObjectClass*)clazz;
+ MimeLeafClass* lclass = (MimeLeafClass*)clazz;
+
+ 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(
+ MimeSuppressedCryptoClass* clazz) {
+ MimeExternalObjectClass* lclass = (MimeExternalObjectClass*)clazz;
+ return MimeExternalObjectClassInitialize(lclass);
+}
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