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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 "mimecth.h"
#include "mimeobj.h"
#include "mimetext.h"
#include "mimemoz2.h"
#include "mimecom.h"
#include "nsString.h"
#include "nsComponentManagerUtils.h"
#include "nsICategoryManager.h"
#include "nsCOMPtr.h"
#include "nsISimpleMimeConverter.h"
#include "nsServiceManagerUtils.h"
#include "nsSimpleMimeConverterStub.h"
#include "nsIMailChannel.h"
typedef struct MimeSimpleStub MimeSimpleStub;
typedef struct MimeSimpleStubClass MimeSimpleStubClass;
struct MimeSimpleStubClass {
MimeInlineTextClass text;
};
struct MimeSimpleStub {
MimeInlineText text;
nsCString* buffer;
nsCOMPtr<nsISimpleMimeConverter> innerScriptable;
};
#define MimeSimpleStubClassInitializer(ITYPE, CSUPER) \
{ MimeInlineTextClassInitializer(ITYPE, CSUPER) }
MimeDefClass(MimeSimpleStub, MimeSimpleStubClass, mimeSimpleStubClass, NULL);
static int BeginGather(MimeObject* obj) {
MimeSimpleStub* ssobj = (MimeSimpleStub*)obj;
int status = ((MimeObjectClass*)XPCOM_GetmimeLeafClass())->parse_begin(obj);
if (status < 0) return status;
if (!obj->output_p || !obj->options || !obj->options->write_html_p) {
return 0;
}
ssobj->buffer->Truncate();
return 0;
}
static int GatherLine(const char* line, int32_t length, MimeObject* obj) {
MimeSimpleStub* ssobj = (MimeSimpleStub*)obj;
if (!obj->output_p || !obj->options || !obj->options->output_fn) {
return 0;
}
if (!obj->options->write_html_p)
return MimeObject_write(obj, line, length, true);
ssobj->buffer->Append(line, length);
return 0;
}
static int EndGather(MimeObject* obj, bool abort_p) {
MimeSimpleStub* ssobj = (MimeSimpleStub*)obj;
if (obj->closed_p) return 0;
int status = ((MimeObjectClass*)MIME_GetmimeInlineTextClass())
->parse_eof(obj, abort_p);
if (status < 0) return status;
if (ssobj->buffer->IsEmpty()) return 0;
mime_stream_data* msd = (mime_stream_data*)(obj->options->stream_closure);
nsIChannel* channel = msd->channel; // note the lack of ref counting...
if (channel) {
nsCOMPtr<nsIURI> uri;
channel->GetURI(getter_AddRefs(uri));
ssobj->innerScriptable->SetUri(uri);
nsCOMPtr<nsIMailChannel> mailChannel = do_QueryInterface(channel);
ssobj->innerScriptable->SetMailChannel(mailChannel);
}
// Remove possible embedded NULL bytes.
// Parsers can't handle this but e.g. calendar invitation might contain such
// as fillers.
ssobj->buffer->StripChar('\0');
nsCString asHTML;
nsresult rv = ssobj->innerScriptable->ConvertToHTML(
nsDependentCString(obj->content_type), *ssobj->buffer, asHTML);
if (NS_FAILED(rv)) {
NS_ASSERTION(NS_SUCCEEDED(rv), "converter failure");
return -1;
}
// MimeObject_write wants a non-const string for some reason, but it doesn't
// mutate it.
status = MimeObject_write(obj, asHTML.get(), asHTML.Length(), true);
if (status < 0) return status;
return 0;
}
static int Initialize(MimeObject* obj) {
MimeSimpleStub* ssobj = (MimeSimpleStub*)obj;
nsresult rv;
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv)) return -1;
nsAutoCString contentType; // lowercase
ToLowerCase(nsDependentCString(obj->content_type), contentType);
nsCString value;
rv = catman->GetCategoryEntry(NS_SIMPLEMIMECONVERTERS_CATEGORY, contentType,
value);
if (NS_FAILED(rv) || value.IsEmpty()) return -1;
ssobj->innerScriptable = do_CreateInstance(value.get(), &rv);
if (NS_FAILED(rv) || !ssobj->innerScriptable) return -1;
ssobj->buffer = new nsCString();
((MimeObjectClass*)XPCOM_GetmimeLeafClass())->initialize(obj);
return 0;
}
static void Finalize(MimeObject* obj) {
MimeSimpleStub* ssobj = (MimeSimpleStub*)obj;
ssobj->innerScriptable = nullptr;
delete ssobj->buffer;
}
static int MimeSimpleStubClassInitialize(MimeSimpleStubClass* clazz) {
MimeObjectClass* oclass = (MimeObjectClass*)clazz;
oclass->parse_begin = BeginGather;
oclass->parse_line = GatherLine;
oclass->parse_eof = EndGather;
oclass->initialize = Initialize;
oclass->finalize = Finalize;
return 0;
}
class nsSimpleMimeConverterStub : public nsIMimeContentTypeHandler {
public:
explicit nsSimpleMimeConverterStub(const char* aContentType)
: mContentType(aContentType) {}
NS_DECL_ISUPPORTS
NS_IMETHOD GetContentType(char** contentType) override {
*contentType = ToNewCString(mContentType);
return *contentType ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHOD CreateContentTypeHandlerClass(
const char* contentType, contentTypeHandlerInitStruct* initString,
MimeObjectClass** objClass) override;
private:
virtual ~nsSimpleMimeConverterStub() {}
nsCString mContentType;
};
NS_IMPL_ISUPPORTS(nsSimpleMimeConverterStub, nsIMimeContentTypeHandler)
NS_IMETHODIMP
nsSimpleMimeConverterStub::CreateContentTypeHandlerClass(
const char* contentType, contentTypeHandlerInitStruct* initStruct,
MimeObjectClass** objClass) {
NS_ENSURE_ARG_POINTER(objClass);
*objClass = (MimeObjectClass*)&mimeSimpleStubClass;
(*objClass)->superclass = (MimeObjectClass*)XPCOM_GetmimeInlineTextClass();
NS_ENSURE_TRUE((*objClass)->superclass, NS_ERROR_UNEXPECTED);
initStruct->force_inline_display = true;
return NS_OK;
;
}
nsresult MIME_NewSimpleMimeConverterStub(const char* aContentType,
nsIMimeContentTypeHandler** aResult) {
RefPtr<nsSimpleMimeConverterStub> inst =
new nsSimpleMimeConverterStub(aContentType);
NS_ENSURE_TRUE(inst, NS_ERROR_OUT_OF_MEMORY);
inst.forget(aResult);
return NS_OK;
}
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