зеркало из https://github.com/mozilla/gecko-dev.git
489 строки
14 KiB
C++
489 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "msgCore.h"
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#include "nsIMsgHdr.h"
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#include "nsMsgUtils.h"
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#include "nsString.h"
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#include "nsFileSpec.h"
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#include "nsEscape.h"
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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#include "nsIImapUrl.h"
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#include "nsIMailboxUrl.h"
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#include "nsINntpUrl.h"
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#include "nsMsgNewsCID.h"
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#include "nsMsgLocalCID.h"
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#include "nsMsgBaseCID.h"
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#include "nsMsgImapCID.h"
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#include "nsMsgI18N.h"
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#include "prprf.h"
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#include "nsNetCID.h"
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#include "nsIIOService.h"
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static NS_DEFINE_CID(kImapUrlCID, NS_IMAPURL_CID);
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static NS_DEFINE_CID(kCMailboxUrl, NS_MAILBOXURL_CID);
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static NS_DEFINE_CID(kCNntpUrlCID, NS_NNTPURL_CID);
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nsresult GetMessageServiceContractIDForURI(const char *uri, nsString &contractID)
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{
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nsresult rv = NS_OK;
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//Find protocol
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nsAutoString uriStr; uriStr.AssignWithConversion(uri);
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PRInt32 pos = uriStr.FindChar(':');
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if(pos == -1)
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return NS_ERROR_FAILURE;
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nsString protocol;
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uriStr.Left(protocol, pos);
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//Build message service contractid
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contractID.AssignWithConversion("@mozilla.org/messenger/messageservice;1?type=");
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contractID += protocol;
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return rv;
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}
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nsresult GetMessageServiceFromURI(const char *uri, nsIMsgMessageService **messageService)
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{
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nsAutoString contractID;
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nsresult rv;
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rv = GetMessageServiceContractIDForURI(uri, contractID);
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if(NS_SUCCEEDED(rv))
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{
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nsCAutoString contractidC;
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contractidC.AssignWithConversion(contractID);
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rv = nsServiceManager::GetService((const char *) contractidC, NS_GET_IID(nsIMsgMessageService),
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(nsISupports**)messageService, nsnull);
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}
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return rv;
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}
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nsresult ReleaseMessageServiceFromURI(const char *uri, nsIMsgMessageService *messageService)
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{
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nsAutoString contractID;
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nsresult rv;
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rv = GetMessageServiceContractIDForURI(uri, contractID);
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if(NS_SUCCEEDED(rv))
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{
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nsCAutoString contractidC;
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contractidC.AssignWithConversion(contractID);
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rv = nsServiceManager::ReleaseService(contractidC, messageService);
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}
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return rv;
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}
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nsresult GetMsgDBHdrFromURI(const char *uri, nsIMsgDBHdr **msgHdr)
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{
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nsCOMPtr <nsIMsgMessageService> msgMessageService;
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nsresult rv = GetMessageServiceFromURI(uri, getter_AddRefs(msgMessageService));
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NS_ENSURE_SUCCESS(rv,rv);
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if (!msgMessageService) return NS_ERROR_FAILURE;
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return msgMessageService->MessageURIToMsgHdr(uri, msgHdr);
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}
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nsresult CreateStartupUrl(char *uri, nsIURI** aUrl)
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{
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nsresult rv = NS_ERROR_NULL_POINTER;
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if (!uri || !*uri || !aUrl) return rv;
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*aUrl = nsnull;
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if (PL_strncasecmp(uri, "imap", 4) == 0)
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{
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nsCOMPtr<nsIImapUrl> imapUrl;
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rv = nsComponentManager::CreateInstance(kImapUrlCID, nsnull,
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NS_GET_IID(nsIImapUrl),
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getter_AddRefs(imapUrl));
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if (NS_SUCCEEDED(rv) && imapUrl)
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rv = imapUrl->QueryInterface(NS_GET_IID(nsIURI),
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(void**) aUrl);
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}
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else if (PL_strncasecmp(uri, "mailbox", 7) == 0)
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{
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nsCOMPtr<nsIMailboxUrl> mailboxUrl;
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rv = nsComponentManager::CreateInstance(kCMailboxUrl, nsnull,
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NS_GET_IID(nsIMailboxUrl),
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getter_AddRefs(mailboxUrl));
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if (NS_SUCCEEDED(rv) && mailboxUrl)
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rv = mailboxUrl->QueryInterface(NS_GET_IID(nsIURI),
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(void**) aUrl);
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}
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else if (PL_strncasecmp(uri, "news", 4) == 0)
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{
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nsCOMPtr<nsINntpUrl> nntpUrl;
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rv = nsComponentManager::CreateInstance(kCNntpUrlCID, nsnull,
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NS_GET_IID(nsINntpUrl),
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getter_AddRefs(nntpUrl));
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if (NS_SUCCEEDED(rv) && nntpUrl)
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rv = nntpUrl->QueryInterface(NS_GET_IID(nsIURI),
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(void**) aUrl);
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}
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if (*aUrl)
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(*aUrl)->SetSpec(uri);
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return rv;
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}
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// Where should this live? It's a utility used to convert a string priority, e.g., "High, Low, Normal" to an enum.
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// Perhaps we should have an interface that groups together all these utilities...
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nsresult NS_MsgGetPriorityFromString(const char *priority, nsMsgPriorityValue *outPriority)
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{
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if (!outPriority)
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return NS_ERROR_NULL_POINTER;
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nsMsgPriorityValue retPriority = nsMsgPriority::normal;
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if (PL_strcasestr(priority, "Normal") != NULL)
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retPriority = nsMsgPriority::normal;
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else if (PL_strcasestr(priority, "Lowest") != NULL)
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retPriority = nsMsgPriority::lowest;
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else if (PL_strcasestr(priority, "Highest") != NULL)
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retPriority = nsMsgPriority::highest;
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else if (PL_strcasestr(priority, "High") != NULL ||
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PL_strcasestr(priority, "Urgent") != NULL)
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retPriority = nsMsgPriority::high;
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else if (PL_strcasestr(priority, "Low") != NULL ||
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PL_strcasestr(priority, "Non-urgent") != NULL)
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retPriority = nsMsgPriority::low;
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else if (PL_strcasestr(priority, "1") != NULL)
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retPriority = nsMsgPriority::highest;
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else if (PL_strcasestr(priority, "2") != NULL)
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retPriority = nsMsgPriority::high;
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else if (PL_strcasestr(priority, "3") != NULL)
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retPriority = nsMsgPriority::normal;
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else if (PL_strcasestr(priority, "4") != NULL)
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retPriority = nsMsgPriority::low;
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else if (PL_strcasestr(priority, "5") != NULL)
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retPriority = nsMsgPriority::lowest;
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else
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retPriority = nsMsgPriority::normal;
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*outPriority = retPriority;
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return NS_OK;
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//return nsMsgNoPriority;
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}
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nsresult NS_MsgGetUntranslatedPriorityName (nsMsgPriorityValue p, nsString *outName)
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{
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if (!outName)
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return NS_ERROR_NULL_POINTER;
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switch (p)
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{
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case nsMsgPriority::notSet:
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case nsMsgPriority::none:
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outName->AssignWithConversion("None");
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break;
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case nsMsgPriority::lowest:
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outName->AssignWithConversion("Lowest");
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break;
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case nsMsgPriority::low:
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outName->AssignWithConversion("Low");
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break;
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case nsMsgPriority::normal:
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outName->AssignWithConversion("Normal");
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break;
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case nsMsgPriority::high:
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outName->AssignWithConversion("High");
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break;
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case nsMsgPriority::highest:
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outName->AssignWithConversion("Highest");
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break;
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default:
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NS_ASSERTION(PR_FALSE, "invalid priority value");
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}
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return NS_OK;
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}
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/* this used to be XP_StringHash2 from xp_hash.c */
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/* phong's linear congruential hash */
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static PRUint32 StringHash(const char *ubuf)
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{
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unsigned char * buf = (unsigned char*) ubuf;
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PRUint32 h=1;
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while(*buf) {
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h = 0x63c63cd9*h + 0x9c39c33d + (int32)*buf;
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buf++;
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}
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return h;
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}
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nsresult NS_MsgHashIfNecessary(nsCAutoString &name)
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{
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#if defined(XP_MAC)
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nsCAutoString illegalChars(":");
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const PRUint32 MAX_LEN = 25;
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#elif defined(XP_UNIX) || defined(XP_BEOS)
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nsCAutoString illegalChars; // is this correct for BEOS?
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const PRUint32 MAX_LEN = 55;
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#elif defined(XP_WIN32)
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nsCAutoString illegalChars("\"/\\[]:;=,|?<>*$");
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const PRUint32 MAX_LEN = 55;
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#elif defined(XP_OS2)
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nsCAutoString illegalChars("\"/\\[]:;=,|?<>*$. ");
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const PRUint32 MAX_LEN = 8;
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#else
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#error need_to_define_your_max_filename_length
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#endif
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nsCAutoString str(name);
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// Given a filename, make it safe for filesystem
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// certain filenames require hashing because they
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// are too long or contain illegal characters
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PRInt32 illegalCharacterIndex = str.FindCharInSet(illegalChars);
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char hashedname[MAX_LEN + 1];
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if (illegalCharacterIndex == kNotFound)
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{
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// no illegal chars, it's just too long
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// keep the initial part of the string, but hash to make it fit
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if (str.Length() > MAX_LEN)
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{
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PL_strncpy(hashedname, str.get(), MAX_LEN + 1);
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PR_snprintf(hashedname + MAX_LEN - 8, 9, "%08lx",
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(unsigned long) StringHash(str.get()));
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name = hashedname;
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}
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}
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else
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{
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// found illegal chars, hash the whole thing
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// if we do substitution, then hash, two strings
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// could hash to the same value.
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// for example, on mac: "foo__bar", "foo:_bar", "foo::bar"
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// would map to "foo_bar". this way, all three will map to
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// different values
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PR_snprintf(hashedname, 9, "%08lx",
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(unsigned long) StringHash(str.get()));
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name = hashedname;
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}
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return NS_OK;
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}
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nsresult NS_MsgCreatePathStringFromFolderURI(const char *folderURI, nsCString& pathString)
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{
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// A file name has to be in native charset, convert from UTF-8.
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nsCAutoString oldPath;
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const nsString fileCharset(nsMsgI18NFileSystemCharset());
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char *nativeString = nsnull;
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nsresult rv = ConvertFromUnicode(fileCharset, nsAutoString(NS_ConvertUTF8toUCS2(folderURI)), &nativeString);
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if (NS_SUCCEEDED(rv) && nativeString && nativeString[0])
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oldPath.Assign(nativeString);
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else
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oldPath.Assign(folderURI);
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PR_FREEIF(nativeString);
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nsCAutoString pathPiece;
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PRInt32 startSlashPos = oldPath.FindChar('/');
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PRInt32 endSlashPos = (startSlashPos >= 0)
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? oldPath.FindChar('/', PR_FALSE, startSlashPos + 1) - 1 : oldPath.Length() - 1;
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if (endSlashPos == -1)
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endSlashPos = oldPath.Length();
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// trick to make sure we only add the path to the first n-1 folders
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PRBool haveFirst=PR_FALSE;
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while (startSlashPos != -1) {
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oldPath.Mid(pathPiece, startSlashPos + 1, endSlashPos - startSlashPos);
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// skip leading '/' (and other // style things)
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if (pathPiece.Length() > 0) {
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// add .sbd onto the previous path
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if (haveFirst) {
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pathString+=".sbd";
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pathString += "/";
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}
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NS_MsgHashIfNecessary(pathPiece);
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pathString += pathPiece;
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haveFirst=PR_TRUE;
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}
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// look for the next slash
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startSlashPos = endSlashPos + 1;
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endSlashPos = (startSlashPos >= 0)
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? oldPath.FindChar('/', PR_FALSE, startSlashPos + 1) - 1: oldPath.Length() - 1;
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if (endSlashPos == -1)
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endSlashPos = oldPath.Length();
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if (startSlashPos == endSlashPos)
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break;
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}
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return NS_OK;
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}
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/* Given a string and a length, removes any "Re:" strings from the front.
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It also deals with that dumbass "Re[2]:" thing that some losing mailers do.
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Returns PR_TRUE if it made a change, PR_FALSE otherwise.
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The string is not altered: the pointer to its head is merely advanced,
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and the length correspondingly decreased.
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*/
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PRBool NS_MsgStripRE(const char **stringP, PRUint32 *lengthP)
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{
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const char *s, *s_end;
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const char *last;
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PRUint32 L;
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PRBool result = PR_FALSE;
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NS_ASSERTION(stringP, "bad null param");
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if (!stringP) return PR_FALSE;
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s = *stringP;
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L = lengthP ? *lengthP : nsCRT::strlen(s);
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s_end = s + L;
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last = s;
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AGAIN:
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while (s < s_end && IS_SPACE(*s))
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s++;
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if (s < (s_end-2) &&
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(s[0] == 'r' || s[0] == 'R') &&
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(s[1] == 'e' || s[1] == 'E'))
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{
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if (s[2] == ':')
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{
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s = s+3; /* Skip over "Re:" */
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result = PR_TRUE; /* Yes, we stripped it. */
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goto AGAIN; /* Skip whitespace and try again. */
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}
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else if (s[2] == '[' || s[2] == '(')
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{
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const char *s2 = s+3; /* Skip over "Re[" */
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/* Skip forward over digits after the "[". */
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while (s2 < (s_end-2) && IS_DIGIT(*s2))
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s2++;
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/* Now ensure that the following thing is "]:"
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Only if it is do we alter `s'.
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*/
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if ((s2[0] == ']' || s2[0] == ')') && s2[1] == ':')
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{
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s = s2+2; /* Skip over "]:" */
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result = PR_TRUE; /* Yes, we stripped it. */
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goto AGAIN; /* Skip whitespace and try again. */
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}
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}
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}
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/* Decrease length by difference between current ptr and original ptr.
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Then store the current ptr back into the caller. */
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if (lengthP)
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*lengthP -= (s - (*stringP));
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*stringP = s;
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return result;
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}
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/* Very similar to strdup except it free's too
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*/
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char * NS_MsgSACopy (char **destination, const char *source)
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{
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if(*destination)
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{
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PR_Free(*destination);
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*destination = 0;
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}
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if (! source)
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*destination = nsnull;
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else
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{
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*destination = (char *) PR_Malloc (PL_strlen(source) + 1);
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if (*destination == nsnull)
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return(nsnull);
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PL_strcpy (*destination, source);
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}
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return *destination;
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}
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/* Again like strdup but it concatinates and free's and uses Realloc
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*/
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char * NS_MsgSACat (char **destination, const char *source)
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{
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if (source && *source)
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if (*destination)
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{
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int length = PL_strlen (*destination);
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*destination = (char *) PR_Realloc (*destination, length + PL_strlen(source) + 1);
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if (*destination == nsnull)
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return(nsnull);
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PL_strcpy (*destination + length, source);
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}
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else
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{
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*destination = (char *) PR_Malloc (PL_strlen(source) + 1);
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if (*destination == nsnull)
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return(nsnull);
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PL_strcpy (*destination, source);
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}
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return *destination;
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}
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nsresult NS_MsgEscapeEncodeURLPath(const PRUnichar *str, char **result)
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{
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NS_ENSURE_ARG_POINTER(str);
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NS_ENSURE_ARG_POINTER(result);
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*result = nsEscape(NS_ConvertUCS2toUTF8(str).get(), url_Path);
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if (!*result) return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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nsresult NS_MsgDecodeUnescapeURLPath(const char *path, PRUnichar **result)
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{
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NS_ENSURE_ARG_POINTER(path);
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NS_ENSURE_ARG_POINTER(result);
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char *unescapedName = nsCRT::strdup(path);
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if (!unescapedName) return NS_ERROR_OUT_OF_MEMORY;
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nsUnescape(unescapedName);
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nsAutoString resultStr;
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resultStr = NS_ConvertUTF8toUCS2(unescapedName);
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*result = resultStr.ToNewUnicode();
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if (!*result) return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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PRBool WeAreOffline()
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{
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nsresult rv = NS_OK;
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PRBool offline = PR_FALSE;
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nsCOMPtr <nsIIOService> ioService = do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
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if (NS_SUCCEEDED(rv) && ioService)
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ioService->GetOffline(&offline);
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return offline;
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}
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