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nsEnigMimeService.cpp
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nsEnigMimeService.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "MPL"); you may not use this file
* except in compliance with the MPL. You may obtain a copy of
* the MPL at http://www.mozilla.org/MPL/
*
* Software distributed under the MPL is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the MPL for the specific language governing
* rights and limitations under the MPL.
*
* The Original Code is Enigmail.
*
* The Initial Developer of the Original Code is Ramalingam Saravanan.
* Portions created by Ramalingam Saravanan <sarava@sarava.net> are
* Copyright (C) 2002 Ramalingam Saravanan. All Rights Reserved.
*
* Contributor(s):
* Patrick Brunschwig <patrick@mozilla-enigmail.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
* ***** END LICENSE BLOCK ***** */
// Logging of debug output
// The following define statement should occur before any include statements
#define FORCE_PR_LOG /* Allow logging even in release build */
#include "enigmail.h"
#include "nsEnigModule.h"
#include "nsEnigMimeService.h"
#include "nspr.h"
#include "plstr.h"
#include "nsStringAPI.h"
#include "nsCOMPtr.h"
#include "nsIDOMNode.h"
#include "nsIDOMText.h"
#include "nsIThread.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "mozilla/ModuleUtils.h"
#include "nsXULAppAPI.h"
#include "nsServiceManagerUtils.h"
#ifdef PR_LOGGING
PRLogModuleInfo* gEnigMimeServiceLog = NULL;
#endif
#define ERROR_LOG(args) PR_LOG(gEnigMimeServiceLog,PR_LOG_ERROR,args)
#define WARNING_LOG(args) PR_LOG(gEnigMimeServiceLog,PR_LOG_WARNING,args)
#define DEBUG_LOG(args) PR_LOG(gEnigMimeServiceLog,PR_LOG_DEBUG,args)
// nsEnigMimeService implementation
// nsISupports implementation
NS_IMPL_THREADSAFE_ISUPPORTS1(nsEnigMimeService,
nsIEnigMimeService)
// nsEnigMimeService implementation
nsEnigMimeService::nsEnigMimeService()
: mInitialized(PR_TRUE)
{
nsresult rv;
NS_INIT_ISUPPORTS();
#ifdef PR_LOGGING
if (gEnigMimeServiceLog == NULL) {
gEnigMimeServiceLog = PR_NewLogModule("nsEnigMimeService");
}
#endif
#ifdef FORCE_PR_LOG
nsCOMPtr<nsIThread> myThread;
rv = ENIG_GET_THREAD(myThread);
DEBUG_LOG(("nsEnigMimeService:: <<<<<<<<< CTOR(%p): myThread=%p\n",
this, myThread.get()));
#endif
}
nsEnigMimeService::~nsEnigMimeService()
{
nsresult rv;
#ifdef FORCE_PR_LOG
nsCOMPtr<nsIThread> myThread;
rv = ENIG_GET_THREAD(myThread);
DEBUG_LOG(("nsEnigMimeService:: >>>>>>>>> DTOR(%p): myThread=%p\n",
this, myThread.get()));
#endif
}
///////////////////////////////////////////////////////////////////////////////
// nsIEnigMimeService methods:
///////////////////////////////////////////////////////////////////////////////
NS_IMETHODIMP
nsEnigMimeService::Init()
{
nsresult rv;
DEBUG_LOG(("nsEnigMimeService::Init:\n"));
return NS_OK;
}
NS_IMETHODIMP
nsEnigMimeService::GetInitialized(EMBool *_retval)
{
if (!_retval)
return NS_ERROR_NULL_POINTER;
*_retval = mInitialized;
DEBUG_LOG(("nsEnigMimeService::GetInitialized: %d\n", (int) mInitialized));
return NS_OK;
}
NS_IMETHODIMP
nsEnigMimeService::GetVersion(char **_retval)
{
*_retval = PL_strdup(ENIGMIME_VERSION);
if (!*_retval)
return NS_ERROR_OUT_OF_MEMORY;
DEBUG_LOG(("nsEnigMimeService::GetVersion: %s\n", *_retval));
return NS_OK;
}
static void
__ReplaceSubstring (nsAString &string, nsAString &replace, nsAString &with)
{
PRInt32 i = string.Find (replace);
while (i >= 0) {
string.Replace (i, replace.Length(), with);
i = string.Find (replace);
}
}
static void
__ReplaceChar (nsAString &string, const PRUnichar replace, const PRUnichar with)
{
PRInt32 i = string.FindChar (replace);
while (i >= 0) {
string.Replace (i, 1, &with, 1);
i = string.FindChar (replace);
}
}
NS_IMETHODIMP
nsEnigMimeService::GetPlainText(nsIDOMNode* domNode,
const PRUnichar* findStr,
nsAString& text)
{
nsresult rv;
nsAutoString outStr;
//DEBUG_LOG(("nsEnigMimeService::GetPlainText:\n"));
PRUint16 nodeType;
rv = domNode->GetNodeType(&nodeType);
if (NS_FAILED(rv)) return rv;
if (nodeType == nsIDOMNode::TEXT_NODE) {
// Text node
nsCOMPtr<nsIDOMText> domText( do_QueryInterface(domNode) );
rv = domText->GetData(outStr);
if (NS_FAILED(rv)) return rv;
} else {
// Iterate over all child nodes
nsCOMPtr<nsIDOMNode> child;
rv = domNode->GetFirstChild(getter_AddRefs(child));
if (NS_FAILED(rv))
return NS_OK;
while (child) {
nsAutoString temStr;
rv = GetPlainText(child, NULL, temStr);
if (NS_FAILED(rv)) return rv;
outStr.Append(temStr);
nsCOMPtr<nsIDOMNode> temp = child;
rv = temp->GetNextSibling(getter_AddRefs(child));
if (NS_FAILED(rv))
break;
}
}
if (outStr.FindChar(0xA0) >= 0) {
// Replace non-breaking spaces with plain spaces
__ReplaceChar(outStr, 0xA0, ' ');
}
if (findStr &&
nsDependentString(findStr).Length() &&
(outStr.Find(nsDependentString(findStr)) < 0) ) {
// Substring not found; return empty string
outStr.Truncate();
}
text = outStr;
return NS_OK;
}
NS_IMETHODIMP
nsEnigMimeService::Sleep(PRUint32 miliSeconds)
{
// Sleep for the specified amount of miliseconds
PR_Sleep(miliSeconds);
return NS_OK;
}
NS_IMETHODIMP
nsEnigMimeService::GetRandomHex(PRUint32 nDigits, char **_retval)
{
DEBUG_LOG(("nsEnigMimeService::GetRandomHex: %d\n", nDigits));
if (!_retval)
return NS_ERROR_NULL_POINTER;
if (nDigits < 1)
return NS_ERROR_FAILURE;
// Get random noise
PRSize nBytes = (nDigits+1)/2;
EMBool discardOneDigit = (nBytes*2 == nDigits+1);
unsigned char *randomBuf = (unsigned char*) PR_Malloc(sizeof(char *)
* nBytes );
PRSize randomBytes = PR_GetRandomNoise((void*)randomBuf, nBytes);
if (randomBytes < nBytes) {
PR_Free(randomBuf);
return NS_ERROR_NOT_AVAILABLE;
}
// Convert random bytes to hexadecimal string
nsCAutoString hex ("");
for (PRUint32 j=0; j<nBytes; j++) {
PRInt32 value = randomBuf[j];
if (discardOneDigit && (j == nBytes-1)) {
value = value % 16;
} else if (value < 16) {
hex.Append("0");
}
hex.AppendInt(value, 16);
}
PR_Free(randomBuf);
*_retval = ToNewCString(hex);
return NS_OK;
}

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Expires
Sat, Jan 31, 11:09 PM (1 d, 18 h)
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Storage Format
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Storage Handle
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