Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 1563 insertions, 0 deletions

diff --git a/mailnews/imap/src/nsImapUrl.cpp b/mailnews/imap/src/nsImapUrl.cpp
new file mode 100644
index 000000000..d76437905
--- /dev/null
+++ b/mailnews/imap/src/nsImapUrl.cpp
@@ -0,0 +1,1563 @@
+/* -*- 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 "msgCore.h"    // precompiled header...
+#include "nsMsgImapCID.h"
+
+#include "nsIURL.h"
+#include "nsImapUrl.h"
+#include "nsIIMAPHostSessionList.h"
+#include "nsThreadUtils.h"
+#include "nsStringGlue.h"
+#include "prmem.h"
+#include "plstr.h"
+#include "prprf.h"
+#include "nsMemory.h"
+#include "nsCOMPtr.h"
+#include "nsIImapIncomingServer.h"
+#include "nsMsgBaseCID.h"
+#include "nsImapUtils.h"
+#include "nsIMAPNamespace.h"
+#include "nsICacheEntry.h"
+#include "nsIMsgFolder.h"
+#include "nsIDocShell.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsMsgUtils.h"
+#include "nsIMsgHdr.h"
+#include "nsIProgressEventSink.h"
+#include "nsAlgorithm.h"
+#include "nsServiceManagerUtils.h"
+#include <algorithm>
+
+using namespace mozilla;
+
+static NS_DEFINE_CID(kCImapHostSessionListCID, NS_IIMAPHOSTSESSIONLIST_CID);
+
+nsImapUrl::nsImapUrl() : mLock("nsImapUrl.mLock")
+{
+  m_listOfMessageIds = nullptr;
+  m_sourceCanonicalFolderPathSubString = nullptr;
+  m_destinationCanonicalFolderPathSubString = nullptr;
+  m_listOfMessageIds = nullptr;
+  m_tokenPlaceHolder = nullptr;
+  m_searchCriteriaString = nullptr;
+  m_idsAreUids = false;
+  m_mimePartSelectorDetected = false;
+  m_allowContentChange = true;  // assume we can do MPOD.
+  m_fetchPartsOnDemand = false; // but assume we're not doing it :-)
+  m_msgLoadingFromCache = false;
+  m_storeResultsOffline = false;
+  m_storeOfflineOnFallback = false;
+  m_localFetchOnly = false;
+  m_rerunningUrl = false;
+  m_moreHeadersToDownload = false;
+  m_externalLinkUrl = true; // we'll start this at true, and set it false in nsImapService::CreateStartOfImapUrl
+  m_contentModified = IMAP_CONTENT_NOT_MODIFIED;
+  m_validUrl = true;  // assume the best.
+  m_flags = 0;
+  m_extraStatus = ImapStatusNone;
+  m_onlineSubDirSeparator = '/';
+
+  // ** jt - the following are not ref counted
+  m_copyState = nullptr;
+  m_file = nullptr;
+  m_imapMailFolderSink = nullptr;
+  m_imapMessageSink = nullptr;
+  m_addDummyEnvelope = false;
+  m_canonicalLineEnding = false;
+}
+
+nsImapUrl::~nsImapUrl()
+{
+  PR_FREEIF(m_listOfMessageIds);
+  PR_FREEIF(m_destinationCanonicalFolderPathSubString);
+  PR_FREEIF(m_sourceCanonicalFolderPathSubString);
+  PR_FREEIF(m_searchCriteriaString);
+}
+
+NS_IMPL_ADDREF_INHERITED(nsImapUrl, nsMsgMailNewsUrl)
+
+NS_IMPL_RELEASE_INHERITED(nsImapUrl, nsMsgMailNewsUrl)
+
+NS_INTERFACE_MAP_BEGIN(nsImapUrl)
+  NS_INTERFACE_MAP_ENTRY(nsIImapUrl)
+  NS_INTERFACE_MAP_ENTRY(nsIMsgMessageUrl)
+  NS_INTERFACE_MAP_ENTRY(nsIMsgI18NUrl)
+NS_INTERFACE_MAP_END_INHERITING(nsMsgMailNewsUrl)
+
+////////////////////////////////////////////////////////////////////////////////////
+// Begin nsIImapUrl specific support
+////////////////////////////////////////////////////////////////////////////////////
+
+NS_IMETHODIMP nsImapUrl::GetRequiredImapState(nsImapState * aImapUrlState)
+{
+  if (aImapUrlState)
+  {
+    // the imap action determines the state we must be in...check the
+    // the imap action.
+
+    if (m_imapAction & 0x10000000)
+      *aImapUrlState = nsImapSelectedState;
+    else
+      *aImapUrlState = nsImapAuthenticatedState;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetImapAction(nsImapAction * aImapAction)
+{
+  *aImapAction = m_imapAction;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetImapAction(nsImapAction aImapAction)
+{
+  m_imapAction = aImapAction;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetFolder(nsIMsgFolder **aMsgFolder)
+{
+  NS_ENSURE_ARG_POINTER(aMsgFolder);
+  NS_ENSURE_ARG_POINTER(m_imapFolder);
+
+  nsCOMPtr<nsIMsgFolder> folder = do_QueryReferent(m_imapFolder);
+  NS_IF_ADDREF(*aMsgFolder = folder);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetFolder(nsIMsgFolder  * aMsgFolder)
+{
+  nsresult rv;
+  m_imapFolder = do_GetWeakReference(aMsgFolder, &rv);
+  if (aMsgFolder)
+  {
+    nsCOMPtr <nsIMsgIncomingServer> incomingServer;
+    aMsgFolder->GetServer(getter_AddRefs(incomingServer));
+    if (incomingServer)
+      incomingServer->GetKey(m_serverKey);
+  }
+  return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::GetImapMailFolderSink(nsIImapMailFolderSink **
+                                           aImapMailFolderSink)
+{
+    NS_ENSURE_ARG_POINTER(aImapMailFolderSink);
+    if (!m_imapMailFolderSink)
+      return NS_ERROR_NULL_POINTER; // no assert, so don't use NS_ENSURE_POINTER.
+
+    nsCOMPtr<nsIImapMailFolderSink> folderSink = do_QueryReferent(m_imapMailFolderSink);
+    *aImapMailFolderSink = folderSink;
+    NS_IF_ADDREF(*aImapMailFolderSink);
+    return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetImapMailFolderSink(nsIImapMailFolderSink  * aImapMailFolderSink)
+{
+    nsresult rv;
+    m_imapMailFolderSink = do_GetWeakReference(aImapMailFolderSink, &rv);
+    return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::GetImapMessageSink(nsIImapMessageSink ** aImapMessageSink)
+{
+    NS_ENSURE_ARG_POINTER(aImapMessageSink);
+    NS_ENSURE_ARG_POINTER(m_imapMessageSink);
+
+    nsCOMPtr<nsIImapMessageSink> messageSink = do_QueryReferent(m_imapMessageSink);
+    *aImapMessageSink = messageSink;
+    NS_IF_ADDREF(*aImapMessageSink);
+    return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetImapMessageSink(nsIImapMessageSink  * aImapMessageSink)
+{
+  nsresult rv;
+  m_imapMessageSink = do_GetWeakReference(aImapMessageSink, &rv);
+  return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::GetImapServerSink(nsIImapServerSink ** aImapServerSink)
+{
+    NS_ENSURE_ARG_POINTER(aImapServerSink);
+    NS_ENSURE_ARG_POINTER(m_imapServerSink);
+
+    nsCOMPtr<nsIImapServerSink> serverSink = do_QueryReferent(m_imapServerSink);
+    *aImapServerSink = serverSink;
+    NS_IF_ADDREF(*aImapServerSink);
+    return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetImapServerSink(nsIImapServerSink  * aImapServerSink)
+{
+  nsresult rv;
+  m_imapServerSink = do_GetWeakReference(aImapServerSink, &rv);
+  return rv;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////
+// End nsIImapUrl specific support
+////////////////////////////////////////////////////////////////////////////////////
+
+NS_IMETHODIMP nsImapUrl::SetSpec(const nsACString &aSpec)
+{
+  nsresult rv = nsMsgMailNewsUrl::SetSpec(aSpec);
+  if (NS_SUCCEEDED(rv))
+  {
+    m_validUrl = true;  // assume the best.
+    rv = ParseUrl();
+  }
+  return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::SetQuery(const nsACString &aQuery)
+{
+  nsresult rv = nsMsgMailNewsUrl::SetQuery(aQuery);
+  if (NS_SUCCEEDED(rv))
+    rv = ParseUrl();
+  return rv;
+}
+
+nsresult nsImapUrl::ParseUrl()
+{
+  nsresult rv = NS_OK;
+  // extract the user name
+  GetUserPass(m_userName);
+
+  nsAutoCString imapPartOfUrl;
+  rv = GetPath(imapPartOfUrl);
+  nsAutoCString unescapedImapPartOfUrl;
+  MsgUnescapeString(imapPartOfUrl, 0, unescapedImapPartOfUrl);
+  if (NS_SUCCEEDED(rv) && !unescapedImapPartOfUrl.IsEmpty())
+  {
+    ParseImapPart(unescapedImapPartOfUrl.BeginWriting()+1);  // GetPath leaves leading '/' in the path!!!
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::CreateSearchCriteriaString(char ** aResult)
+{
+  // this method should only be called from the imap thread...
+  // o.t. add lock protection..
+  if (nullptr == aResult || !m_searchCriteriaString)
+    return  NS_ERROR_NULL_POINTER;
+  *aResult = strdup(m_searchCriteriaString);
+  return NS_OK;
+}
+
+// this method gets called from the UI thread and the imap thread
+NS_IMETHODIMP nsImapUrl::GetListOfMessageIds(nsACString &aResult)
+{
+  MutexAutoLock mon(mLock);
+  if (!m_listOfMessageIds)
+    return  NS_ERROR_NULL_POINTER;
+
+  int32_t bytesToCopy = strlen(m_listOfMessageIds);
+
+  // mime may have glommed a "&part=" for a part download
+  // we return the entire message and let mime extract
+  // the part. Pop and news work this way also.
+  // this algorithm truncates the "&part" string.
+  char *currentChar = m_listOfMessageIds;
+  while (*currentChar && (*currentChar != '?'))
+    currentChar++;
+  if (*currentChar == '?')
+    bytesToCopy = currentChar - m_listOfMessageIds;
+
+  // we should also strip off anything after "/;section="
+  // since that can specify an IMAP MIME part
+  char *wherePart = PL_strstr(m_listOfMessageIds, "/;section=");
+  if (wherePart)
+    bytesToCopy = std::min(bytesToCopy, int32_t(wherePart - m_listOfMessageIds));
+
+  aResult.Assign(m_listOfMessageIds, bytesToCopy);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCommand(nsACString &result)
+{
+  result = m_command;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP nsImapUrl::GetCustomAttributeToFetch(nsACString &result)
+{
+  result = m_msgFetchAttribute;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCustomAttributeResult(nsACString &result)
+{
+  result = m_customAttributeResult;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetCustomAttributeResult(const nsACString &result)
+{
+  m_customAttributeResult = result;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCustomCommandResult(nsACString &result)
+{
+  result = m_customCommandResult;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetCustomCommandResult(const nsACString &result)
+{
+  m_customCommandResult = result;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCustomAddFlags(nsACString &aResult)
+{
+  aResult = m_customAddFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCustomSubtractFlags(nsACString &aResult)
+{
+  aResult = m_customSubtractFlags;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP nsImapUrl::GetImapPartToFetch(char **result)
+{
+  //  here's the old code....
+
+  // unforunately an imap part can have the form: /;section= OR
+  // it can have the form ?section=. We need to look for both.
+  if (m_listOfMessageIds)
+  {
+    char *wherepart = PL_strstr(m_listOfMessageIds, ";section=");
+    if (!wherepart) // look for ?section too....
+      wherepart = PL_strstr(m_listOfMessageIds, "?section=");
+    if (wherepart)
+    {
+      wherepart += 9;  // strlen("/;section=")
+      char *wherelibmimepart = PL_strstr(wherepart, "&part=");
+      if (!wherelibmimepart)
+        wherelibmimepart = PL_strstr(wherepart, "?part=");
+      int numCharsToCopy = (wherelibmimepart) ? wherelibmimepart - wherepart :
+                   PL_strlen(m_listOfMessageIds) - (wherepart - m_listOfMessageIds);
+      if (numCharsToCopy)
+      {
+        *result = (char *) PR_Malloc(sizeof(char) * (numCharsToCopy + 1));
+        if (*result)
+        {
+          PL_strncpy(*result, wherepart, numCharsToCopy + 1);  // appends a \0
+          (*result)[numCharsToCopy] = '\0';
+        }
+      }
+    } // if we got a wherepart
+  } // if we got a m_listOfMessageIds
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetOnlineSubDirSeparator(char* separator)
+{
+  if (separator)
+  {
+      *separator = m_onlineSubDirSeparator;
+      return NS_OK;
+  }
+  else
+  {
+      return NS_ERROR_NULL_POINTER;
+  }
+}
+
+NS_IMETHODIMP nsImapUrl::GetNumBytesToFetch(int32_t *aNumBytesToFetch)
+{
+  NS_ENSURE_ARG_POINTER(aNumBytesToFetch);
+  *aNumBytesToFetch = m_numBytesToFetch;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsImapUrl::SetOnlineSubDirSeparator(char onlineDirSeparator)
+{
+  m_onlineSubDirSeparator = onlineDirSeparator;
+  return NS_OK;
+}
+
+// this method is only called from the imap thread
+NS_IMETHODIMP nsImapUrl::MessageIdsAreUids(bool *result)
+{
+  *result = m_idsAreUids;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsImapUrl::SetExtraStatus(int32_t aExtraStatus)
+{
+  m_extraStatus = aExtraStatus;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetExtraStatus(int32_t *aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = m_extraStatus;
+  return NS_OK;
+}
+
+// this method is only called from the imap thread
+NS_IMETHODIMP nsImapUrl::GetMsgFlags(imapMessageFlagsType *result)  // kAddMsgFlags or kSubtractMsgFlags only
+{
+  *result = m_flags;
+  return NS_OK;
+}
+
+void nsImapUrl::ParseImapPart(char *imapPartOfUrl)
+{
+  m_tokenPlaceHolder = imapPartOfUrl;
+  m_urlidSubString = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)NULL;
+
+  if (!m_urlidSubString)
+  {
+    m_validUrl = false;
+    return;
+  }
+
+  if (!PL_strcasecmp(m_urlidSubString, "fetch"))
+  {
+    m_imapAction  = nsImapMsgFetch;
+    ParseUidChoice();
+    PR_FREEIF(m_sourceCanonicalFolderPathSubString);
+    ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    ParseListOfMessageIds();
+    // if fetched by spam filter, the action will be changed to nsImapMsgFetchPeek
+  }
+  else
+  {
+    if (!PL_strcasecmp(m_urlidSubString, "header"))
+    {
+      m_imapAction = nsImapMsgHeader;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "customFetch"))
+    {
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseCustomMsgFetchAttribute();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "previewBody"))
+    {
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseNumBytes();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "deletemsg"))
+    {
+      m_imapAction = nsImapDeleteMsg;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "uidexpunge"))
+    {
+      m_imapAction = nsImapUidExpunge;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "deleteallmsgs"))
+    {
+      m_imapAction = nsImapDeleteAllMsgs;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "addmsgflags"))
+    {
+      m_imapAction = nsImapAddMsgFlags;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseMsgFlags();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "subtractmsgflags"))
+    {
+      m_imapAction = nsImapSubtractMsgFlags;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseMsgFlags();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "setmsgflags"))
+    {
+      m_imapAction = nsImapSetMsgFlags;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseMsgFlags();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "onlinecopy"))
+    {
+      m_imapAction = nsImapOnlineCopy;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "onlinemove"))
+    {
+      m_imapAction = nsImapOnlineMove;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "onlinetoofflinecopy"))
+    {
+      m_imapAction = nsImapOnlineToOfflineCopy;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "onlinetoofflinemove"))
+    {
+      m_imapAction = nsImapOnlineToOfflineMove;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "offlinetoonlinecopy"))
+    {
+      m_imapAction = nsImapOfflineToOnlineMove;
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "search"))
+    {
+      m_imapAction = nsImapSearch;
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseSearchCriteriaString();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "test"))
+    {
+      m_imapAction = nsImapTest;
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "select"))
+    {
+      m_imapAction = nsImapSelectFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      if (m_tokenPlaceHolder && *m_tokenPlaceHolder)
+        ParseListOfMessageIds();
+      else
+        m_listOfMessageIds = PL_strdup("");
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "liteselect"))
+    {
+      m_imapAction = nsImapLiteSelectFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "selectnoop"))
+    {
+      m_imapAction = nsImapSelectNoopFolder;
+      m_listOfMessageIds = PL_strdup("");
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "expunge"))
+    {
+      m_imapAction = nsImapExpungeFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      m_listOfMessageIds = PL_strdup("");    // no ids to UNDO
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "create"))
+    {
+      m_imapAction = nsImapCreateFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "ensureExists"))
+    {
+      m_imapAction = nsImapEnsureExistsFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "discoverchildren"))
+    {
+      m_imapAction = nsImapDiscoverChildrenUrl;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "discoverallboxes"))
+    {
+      m_imapAction = nsImapDiscoverAllBoxesUrl;
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "discoverallandsubscribedboxes"))
+    {
+      m_imapAction = nsImapDiscoverAllAndSubscribedBoxesUrl;
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "delete"))
+    {
+      m_imapAction = nsImapDeleteFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "deletefolder"))
+    {
+      m_imapAction = nsImapDeleteFolderAndMsgs;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "rename"))
+    {
+      m_imapAction = nsImapRenameFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "movefolderhierarchy"))
+    {
+      m_imapAction = nsImapMoveFolderHierarchy;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      if (m_tokenPlaceHolder && *m_tokenPlaceHolder)  // handle promote to root
+        ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "list"))
+    {
+      m_imapAction = nsImapLsubFolders;
+      ParseFolderPath(&m_destinationCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "biff"))
+    {
+      m_imapAction = nsImapBiff;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "netscape"))
+    {
+      m_imapAction = nsImapGetMailAccountUrl;
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "appendmsgfromfile"))
+    {
+      m_imapAction = nsImapAppendMsgFromFile;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "appenddraftfromfile"))
+    {
+      m_imapAction = nsImapAppendDraftFromFile;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseUidChoice();
+      if (m_tokenPlaceHolder && *m_tokenPlaceHolder)
+        ParseListOfMessageIds();
+      else
+        m_listOfMessageIds = strdup("");
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "subscribe"))
+    {
+      m_imapAction = nsImapSubscribe;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "unsubscribe"))
+    {
+      m_imapAction = nsImapUnsubscribe;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "refreshacl"))
+    {
+      m_imapAction = nsImapRefreshACL;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "refreshfolderurls"))
+    {
+      m_imapAction = nsImapRefreshFolderUrls;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "refreshallacls"))
+    {
+      m_imapAction = nsImapRefreshAllACLs;
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "listfolder"))
+    {
+      m_imapAction = nsImapListFolder;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "upgradetosubscription"))
+    {
+      m_imapAction = nsImapUpgradeToSubscription;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "folderstatus"))
+    {
+      m_imapAction = nsImapFolderStatus;
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+    }
+    else if (!PL_strcasecmp(m_urlidSubString, "verifyLogon"))
+    {
+      m_imapAction = nsImapVerifylogon;
+    }
+    else if (m_imapAction == nsIImapUrl::nsImapUserDefinedMsgCommand)
+    {
+      m_command = m_urlidSubString; // save this
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+    }
+    else if (m_imapAction == nsIImapUrl::nsImapMsgStoreCustomKeywords)
+    {
+      ParseUidChoice();
+      ParseFolderPath(&m_sourceCanonicalFolderPathSubString);
+      ParseListOfMessageIds();
+      bool addKeyword = (m_tokenPlaceHolder && *m_tokenPlaceHolder != '>');
+      // if we're not adding a keyword, m_tokenPlaceHolder will now look like >keywordToSubtract>
+      // and strtok will leave flagsPtr pointing to keywordToSubtract. So detect this
+      // case and only set the customSubtractFlags.
+      char *flagsPtr = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)nullptr;
+      if (addKeyword)
+      {
+        m_customAddFlags.Assign(flagsPtr);
+        flagsPtr = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)nullptr;
+      }
+      m_customSubtractFlags.Assign(flagsPtr);
+    }
+    else
+    {
+      m_validUrl = false;
+    }
+  }
+}
+
+
+// Returns NULL if nothing was done.
+// Otherwise, returns a newly allocated name.
+NS_IMETHODIMP nsImapUrl::AddOnlineDirectoryIfNecessary(const char *onlineMailboxName, char ** directory)
+{
+  nsresult rv;
+  nsString onlineDirString;
+  char *newOnlineName = nullptr;
+
+  nsCOMPtr<nsIImapHostSessionList> hostSessionList =
+    do_GetService(kCImapHostSessionListCID, &rv);
+  if (NS_FAILED(rv)) return rv;
+  rv = hostSessionList->GetOnlineDirForHost(m_serverKey.get(), onlineDirString);
+  nsAutoCString onlineDir;
+  LossyCopyUTF16toASCII(onlineDirString, onlineDir);
+
+  nsIMAPNamespace *ns = nullptr;
+  rv = hostSessionList->GetNamespaceForMailboxForHost(m_serverKey.get(),
+                                                      onlineMailboxName, ns);
+  if (!ns)
+    hostSessionList->GetDefaultNamespaceOfTypeForHost(m_serverKey.get(),
+                                                      kPersonalNamespace, ns);
+
+  if (onlineDir.IsEmpty() && ns)
+    onlineDir = ns->GetPrefix();
+
+  // If this host has an online server directory configured
+  if (onlineMailboxName && !onlineDir.IsEmpty())
+  {
+    if (PL_strcasecmp(onlineMailboxName, "INBOX"))
+    {
+      NS_ASSERTION(ns, "couldn't find namespace for host");
+      nsAutoCString onlineDirWithDelimiter(onlineDir);
+      // make sure the onlineDir ends with the hierarchy delimiter
+      if (ns)
+      {
+        char delimiter = ns->GetDelimiter();
+        if ( delimiter && delimiter != kOnlineHierarchySeparatorUnknown )
+        {
+          // try to change the canonical online dir name to real dir name first
+          MsgReplaceChar(onlineDirWithDelimiter, '/', delimiter);
+          // make sure the last character is the delimiter
+          if ( onlineDirWithDelimiter.Last() != delimiter )
+            onlineDirWithDelimiter += delimiter;
+          if ( !*onlineMailboxName )
+            onlineDirWithDelimiter.SetLength(onlineDirWithDelimiter.Length()-1);
+        }
+      }
+      if (ns && (PL_strlen(ns->GetPrefix()) != 0) && !onlineDirWithDelimiter.Equals(ns->GetPrefix()))
+      {
+        // check that onlineMailboxName doesn't start with the namespace. If that's the case,
+        // we don't want to prepend the online dir.
+        if (PL_strncmp(onlineMailboxName, ns->GetPrefix(), PL_strlen(ns->GetPrefix())))
+        {
+          // The namespace for this mailbox is the root ("").
+          // Prepend the online server directory
+          int finalLen = onlineDirWithDelimiter.Length() +
+            strlen(onlineMailboxName) + 1;
+          newOnlineName = (char *)PR_Malloc(finalLen);
+          if (newOnlineName)
+          {
+            PL_strcpy(newOnlineName, onlineDirWithDelimiter.get());
+            PL_strcat(newOnlineName, onlineMailboxName);
+          }
+        }
+     }
+      // just prepend the online server directory if it doesn't start with it already
+      else if (strncmp(onlineMailboxName, onlineDirWithDelimiter.get(), onlineDirWithDelimiter.Length()))
+      {
+        newOnlineName = (char *)PR_Malloc(strlen(onlineMailboxName) + onlineDirWithDelimiter.Length() + 1);
+        if (newOnlineName)
+        {
+          PL_strcpy(newOnlineName, onlineDirWithDelimiter.get());
+          PL_strcat(newOnlineName, onlineMailboxName);
+        }
+      }
+    }
+  }
+  if (directory)
+    *directory = newOnlineName;
+  else if (newOnlineName)
+    NS_Free(newOnlineName);
+  return rv;
+}
+
+// Converts from canonical format (hierarchy is indicated by '/' and all real slashes ('/') are escaped)
+// to the real online name on the server.
+NS_IMETHODIMP nsImapUrl::AllocateServerPath(const char * canonicalPath, char onlineDelimiter, char ** aAllocatedPath)
+{
+  nsresult retVal = NS_OK;
+  char *rv = NULL;
+  char delimiterToUse = onlineDelimiter;
+  if (onlineDelimiter == kOnlineHierarchySeparatorUnknown)
+    GetOnlineSubDirSeparator(&delimiterToUse);
+  NS_ASSERTION(delimiterToUse != kOnlineHierarchySeparatorUnknown, "hierarchy separator unknown");
+  if (canonicalPath)
+    rv = ReplaceCharsInCopiedString(canonicalPath, '/', delimiterToUse);
+  else
+    rv = strdup("");
+
+  if (delimiterToUse != '/')
+    UnescapeSlashes(rv);
+  char *onlineNameAdded = nullptr;
+  AddOnlineDirectoryIfNecessary(rv, &onlineNameAdded);
+  if (onlineNameAdded)
+  {
+    NS_Free(rv);
+    rv = onlineNameAdded;
+  }
+
+  if (aAllocatedPath)
+    *aAllocatedPath = rv;
+  else
+    NS_Free(rv);
+
+  return retVal;
+}
+
+// escape '/' as ^, ^ -> ^^ - use UnescapeSlashes to revert
+/* static */ nsresult nsImapUrl::EscapeSlashes(const char *sourcePath, char **resultPath)
+{
+  NS_ENSURE_ARG(sourcePath);
+  NS_ENSURE_ARG(resultPath);
+  int32_t extra = 0;
+  int32_t len = strlen(sourcePath);
+  const char *src = sourcePath;
+  int32_t i;
+  for ( i = 0; i < len; i++)
+  {
+    if (*src == '^')
+      extra += 1; /* ^ -> ^^ */
+    src++;
+  }
+  char* result = (char *)moz_xmalloc(len + extra + 1);
+  if (!result)
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  unsigned char* dst = (unsigned char *) result;
+  src = sourcePath;
+  for (i = 0; i < len; i++)
+  {
+    unsigned char c = *src++;
+    if (c == '/')
+      *dst++ = '^';
+    else if (c == '^')
+    {
+      *dst++ = '^';
+      *dst++ = '^';
+    }
+    else
+      *dst++ = c;
+  }
+  *dst = '\0';     /* tack on eos */
+  *resultPath = result;
+  return NS_OK;
+}
+
+/* static */ nsresult nsImapUrl::UnescapeSlashes(char *sourcePath)
+{
+    char *src = sourcePath;
+    char *dst = sourcePath;
+
+    while (*src)
+    {
+      if (*src == '^')
+      {
+        if (*(src + 1) == '^')
+        {
+          *dst++ = '^';
+          src++;   // skip over second '^'
+        }
+        else
+          *dst++ = '/';
+        src++;
+      }
+      else
+        *dst++ = *src++;
+    }
+
+    *dst = 0;
+    return NS_OK;
+}
+
+/*  static */ nsresult nsImapUrl::ConvertToCanonicalFormat(const char *folderName, char onlineDelimiter, char **resultingCanonicalPath)
+{
+  // Now, start the conversion to canonical form.
+
+  char *canonicalPath;
+  if (onlineDelimiter != '/')
+  {
+    nsCString escapedPath;
+
+    EscapeSlashes(folderName, getter_Copies(escapedPath));
+    canonicalPath = ReplaceCharsInCopiedString(escapedPath.get(), onlineDelimiter , '/');
+  }
+  else
+  {
+    canonicalPath = strdup(folderName);
+  }
+  if (canonicalPath)
+    *resultingCanonicalPath = canonicalPath;
+
+  return (canonicalPath) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
+}
+
+// Converts the real online name on the server to canonical format:
+// result is hierarchy is indicated by '/' and all real slashes ('/') are escaped.
+// The caller has already converted m-utf-7 to 8 bit ascii, which is a problem.
+// this method is only called from the imap thread
+NS_IMETHODIMP nsImapUrl::AllocateCanonicalPath(const char *serverPath, char onlineDelimiter, char **allocatedPath )
+{
+  nsresult rv = NS_ERROR_NULL_POINTER;
+  char delimiterToUse = onlineDelimiter;
+  char *serverKey = nullptr;
+  nsString aString;
+  char *currentPath = (char *) serverPath;
+  nsAutoCString onlineDir;
+  nsCOMPtr<nsIMsgIncomingServer> server;
+
+  nsCOMPtr<nsIImapHostSessionList> hostSessionList =
+    do_GetService(kCImapHostSessionListCID, &rv);
+
+  *allocatedPath = nullptr;
+
+  if (onlineDelimiter == kOnlineHierarchySeparatorUnknown ||
+    onlineDelimiter == 0)
+    GetOnlineSubDirSeparator(&delimiterToUse);
+
+  NS_ASSERTION (serverPath, "Oops... null serverPath");
+
+  if (!serverPath || NS_FAILED(rv))
+    goto done;
+
+  hostSessionList->GetOnlineDirForHost(m_serverKey.get(), aString);
+  // First we have to check to see if we should strip off an online server
+  // subdirectory
+  // If this host has an online server directory configured
+  LossyCopyUTF16toASCII(aString, onlineDir);
+
+  if (currentPath && !onlineDir.IsEmpty())
+  {
+    // By definition, the online dir must be at the root.
+    if (delimiterToUse && delimiterToUse != kOnlineHierarchySeparatorUnknown)
+    {
+      // try to change the canonical online dir name to real dir name first
+      MsgReplaceChar(onlineDir, '/', delimiterToUse);
+      // Add the delimiter
+      if (onlineDir.Last() != delimiterToUse)
+        onlineDir += delimiterToUse;
+    }
+    int len = onlineDir.Length();
+    if (!PL_strncmp(onlineDir.get(), currentPath, len))
+    {
+      // This online path begins with the server sub directory
+      currentPath += len;
+
+      // This might occur, but it's most likely something not good.
+      // Basically, it means we're doing something on the online sub directory itself.
+      NS_ASSERTION (*currentPath, "Oops ... null currentPath");
+      // Also make sure that the first character in the mailbox name is not '/'.
+      NS_ASSERTION (*currentPath != '/',
+        "Oops ... currentPath starts with a slash");
+    }
+  }
+
+
+  if (!currentPath)
+    goto done;
+
+  rv = ConvertToCanonicalFormat(currentPath, delimiterToUse, allocatedPath);
+
+done:
+  PR_Free(serverKey);
+  return rv;
+}
+
+// this method is only called from the imap thread
+NS_IMETHODIMP  nsImapUrl::CreateServerSourceFolderPathString(char **result)
+{
+  NS_ENSURE_ARG_POINTER(result);
+  AllocateServerPath(m_sourceCanonicalFolderPathSubString, kOnlineHierarchySeparatorUnknown, result);
+  return NS_OK;
+}
+
+// this method is called from the imap thread AND the UI thread...
+NS_IMETHODIMP nsImapUrl::CreateCanonicalSourceFolderPathString(char **result)
+{
+  NS_ENSURE_ARG_POINTER(result);
+  MutexAutoLock  mon(mLock);
+  *result = strdup(m_sourceCanonicalFolderPathSubString ? m_sourceCanonicalFolderPathSubString : "");
+  return (*result) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
+}
+
+// this method is called from the imap thread AND the UI thread...
+NS_IMETHODIMP nsImapUrl::CreateServerDestinationFolderPathString(char **result)
+{
+  NS_ENSURE_ARG_POINTER(result);
+  MutexAutoLock mon(mLock);
+  nsresult rv = AllocateServerPath(m_destinationCanonicalFolderPathSubString,
+                                   kOnlineHierarchySeparatorUnknown,
+                                   result);
+  return (*result) ? rv : NS_ERROR_OUT_OF_MEMORY;
+}
+
+// for enabling or disabling mime parts on demand. Setting this to true says we
+// can use mime parts on demand, if we chose.
+NS_IMETHODIMP nsImapUrl::SetAllowContentChange(bool allowContentChange)
+{
+  m_allowContentChange = allowContentChange;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetContentModified(nsImapContentModifiedType contentModified)
+{
+  m_contentModified = contentModified;
+  nsCOMPtr<nsICacheEntry> cacheEntry;
+  nsresult res = GetMemCacheEntry(getter_AddRefs(cacheEntry));
+  if (NS_SUCCEEDED(res) && cacheEntry)
+  {
+    const char *contentModifiedAnnotation = "";
+    switch (m_contentModified)
+    {
+    case IMAP_CONTENT_NOT_MODIFIED:
+      contentModifiedAnnotation = "Not Modified";
+      break;
+    case IMAP_CONTENT_MODIFIED_VIEW_INLINE:
+      contentModifiedAnnotation = "Modified View Inline";
+      break;
+    case IMAP_CONTENT_MODIFIED_VIEW_AS_LINKS:
+      contentModifiedAnnotation = "Modified View As Link";
+      break;
+    case IMAP_CONTENT_FORCE_CONTENT_NOT_MODIFIED:
+      contentModifiedAnnotation = "Force Content Not Modified";
+      break;
+    }
+    cacheEntry->SetMetaDataElement("ContentModified", contentModifiedAnnotation);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetContentModified(nsImapContentModifiedType *contentModified)
+{
+  if (!contentModified) return NS_ERROR_NULL_POINTER;
+
+  *contentModified = m_contentModified;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetFetchPartsOnDemand(bool fetchPartsOnDemand)
+{
+  m_fetchPartsOnDemand = fetchPartsOnDemand;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetFetchPartsOnDemand(bool *fetchPartsOnDemand)
+{
+  if (!fetchPartsOnDemand) return NS_ERROR_NULL_POINTER;
+
+  *fetchPartsOnDemand = m_fetchPartsOnDemand;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP nsImapUrl::SetMimePartSelectorDetected(bool mimePartSelectorDetected)
+{
+  m_mimePartSelectorDetected = mimePartSelectorDetected;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetMimePartSelectorDetected(bool *mimePartSelectorDetected)
+{
+  if (!mimePartSelectorDetected) return NS_ERROR_NULL_POINTER;
+
+  *mimePartSelectorDetected = m_mimePartSelectorDetected;
+  return NS_OK;
+}
+
+
+// this method is only called from the UI thread.
+NS_IMETHODIMP nsImapUrl::SetCopyState(nsISupports* copyState)
+{
+  MutexAutoLock  mon(mLock);
+  m_copyState = copyState;
+  return NS_OK;
+}
+
+//this method is only called from the imap thread..but we still
+// need a monitor 'cause the setter is called from the UI thread.
+NS_IMETHODIMP nsImapUrl::GetCopyState(nsISupports** copyState)
+{
+  NS_ENSURE_ARG_POINTER(copyState);
+  MutexAutoLock mon(mLock);
+  *copyState = m_copyState;
+  NS_IF_ADDREF(*copyState);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsImapUrl::SetMsgFile(nsIFile* aFile)
+{
+  nsresult rv = NS_OK;
+  MutexAutoLock mon(mLock);
+  m_file = aFile;
+  return rv;
+}
+
+NS_IMETHODIMP
+nsImapUrl::GetMsgFile(nsIFile** aFile)
+{
+  NS_ENSURE_ARG_POINTER(aFile);
+
+  MutexAutoLock mon(mLock);
+  NS_IF_ADDREF(*aFile = m_file);
+  return NS_OK;
+}
+
+// this method is called from the UI thread..
+NS_IMETHODIMP nsImapUrl::GetMockChannel(nsIImapMockChannel ** aChannel)
+{
+  NS_ENSURE_ARG_POINTER(aChannel);
+  NS_WARNING_ASSERTION(NS_IsMainThread(), "should only access mock channel on ui thread");
+  *aChannel = nullptr;
+  nsCOMPtr<nsIImapMockChannel> channel(do_QueryReferent(m_channelWeakPtr));
+  channel.swap(*aChannel);
+  return *aChannel ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsImapUrl::SetMockChannel(nsIImapMockChannel * aChannel)
+{
+  NS_WARNING_ASSERTION(NS_IsMainThread(), "should only access mock channel on ui thread");
+  m_channelWeakPtr = do_GetWeakReference(aChannel);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetAllowContentChange(bool *result)
+{
+  NS_ENSURE_ARG_POINTER(result);
+  *result = m_allowContentChange;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::CloneInternal(uint32_t aRefHandlingMode,
+                                       const nsACString& newRef,
+                                       nsIURI** _retval)
+{
+  nsresult rv =
+    nsMsgMailNewsUrl::CloneInternal(aRefHandlingMode, newRef, _retval);
+  NS_ENSURE_SUCCESS(rv, rv);
+  // also clone the mURI member, because GetUri below won't work if
+  // mURI isn't set due to escaping issues.
+  nsCOMPtr <nsIMsgMessageUrl> clonedUrl = do_QueryInterface(*_retval);
+  if (clonedUrl)
+    clonedUrl->SetUri(mURI.get());
+  return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::GetPrincipalSpec(nsACString& aPrincipalSpec)
+{
+  // URLs look like this:
+  // imap://user@domain@server:port/fetch>UID>folder>nn
+  // We simply strip any query part beginning with ? & or /;
+  // Normalised spec: imap://user@domain@server:port/fetch>UID>folder>nn
+  nsCOMPtr<nsIMsgMailNewsUrl> mailnewsURL;
+  QueryInterface(NS_GET_IID(nsIMsgMailNewsUrl), getter_AddRefs(mailnewsURL));
+
+  nsAutoCString spec;
+  mailnewsURL->GetSpecIgnoringRef(spec);
+
+  // Strip any query part beginning with ? or /;
+  int32_t ind = spec.Find("/;");
+  if (ind != kNotFound)
+    spec.SetLength(ind);
+
+  ind = spec.FindChar('?');
+  if (ind != kNotFound)
+    spec.SetLength(ind);
+
+  aPrincipalSpec.Assign(spec);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetUri(const char * aURI)
+{
+  mURI= aURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetUri(char** aURI)
+{
+  nsresult rv = NS_OK;
+  if (!mURI.IsEmpty())
+    *aURI = ToNewCString(mURI);
+  else
+  {
+    *aURI = nullptr;
+    uint32_t key = m_listOfMessageIds ? strtoul(m_listOfMessageIds, nullptr, 10) : 0;
+    nsCString canonicalPath;
+    AllocateCanonicalPath(m_sourceCanonicalFolderPathSubString, m_onlineSubDirSeparator, (getter_Copies(canonicalPath)));
+    nsCString fullFolderPath("/");
+    fullFolderPath.Append(m_userName);
+    nsAutoCString hostName;
+    rv = GetHost(hostName);
+    fullFolderPath.Append('@');
+    fullFolderPath.Append(hostName);
+    fullFolderPath.Append('/');
+    fullFolderPath.Append(canonicalPath);
+
+    nsCString baseMessageURI;
+    nsCreateImapBaseMessageURI(fullFolderPath, baseMessageURI);
+    nsAutoCString uriStr;
+    rv = nsBuildImapMessageURI(baseMessageURI.get(), key, uriStr);
+    *aURI = ToNewCString(uriStr);
+  }
+  return rv;
+}
+
+NS_IMPL_GETSET(nsImapUrl, AddDummyEnvelope, bool, m_addDummyEnvelope)
+NS_IMPL_GETSET(nsImapUrl, CanonicalLineEnding, bool, m_canonicalLineEnding)
+NS_IMETHODIMP nsImapUrl::GetMsgLoadingFromCache(bool *result)
+{
+  NS_ENSURE_ARG_POINTER(result);
+  *result = m_msgLoadingFromCache;
+  return NS_OK;
+}
+NS_IMPL_GETSET(nsImapUrl, LocalFetchOnly, bool, m_localFetchOnly)
+NS_IMPL_GETSET(nsImapUrl, ExternalLinkUrl, bool, m_externalLinkUrl)
+NS_IMPL_GETSET(nsImapUrl, RerunningUrl, bool, m_rerunningUrl)
+NS_IMPL_GETSET(nsImapUrl, ValidUrl, bool, m_validUrl)
+NS_IMPL_GETSET(nsImapUrl, MoreHeadersToDownload, bool, m_moreHeadersToDownload)
+
+NS_IMETHODIMP nsImapUrl::SetMsgLoadingFromCache(bool loadingFromCache)
+{
+  nsresult rv = NS_OK;
+  m_msgLoadingFromCache = loadingFromCache;
+  return rv;
+}
+
+NS_IMETHODIMP nsImapUrl::SetMessageFile(nsIFile * aFile)
+{
+  m_messageFile = aFile;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetMessageFile(nsIFile ** aFile)
+{
+  if (aFile)
+    NS_IF_ADDREF(*aFile = m_messageFile);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::IsUrlType(uint32_t type, bool *isType)
+{
+  NS_ENSURE_ARG(isType);
+
+  switch(type)
+  {
+    case nsIMsgMailNewsUrl::eCopy:
+      *isType = ((m_imapAction == nsIImapUrl::nsImapOnlineCopy) ||
+        (m_imapAction == nsIImapUrl::nsImapOnlineToOfflineCopy) ||
+        (m_imapAction == nsIImapUrl::nsImapOfflineToOnlineCopy));
+      break;
+    case nsIMsgMailNewsUrl::eMove:
+      *isType = ((m_imapAction == nsIImapUrl::nsImapOnlineMove) ||
+        (m_imapAction == nsIImapUrl::nsImapOnlineToOfflineMove) ||
+        (m_imapAction == nsIImapUrl::nsImapOfflineToOnlineMove));
+      break;
+    case nsIMsgMailNewsUrl::eDisplay:
+      *isType = (m_imapAction == nsIImapUrl::nsImapMsgFetch ||
+        m_imapAction == nsIImapUrl::nsImapMsgFetchPeek);
+      break;
+    default:
+      *isType = false;
+  };
+
+  return NS_OK;
+
+}
+
+NS_IMETHODIMP
+nsImapUrl::GetOriginalSpec(char ** aSpec)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsImapUrl::SetOriginalSpec(const char *aSpec)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+char *nsImapUrl::ReplaceCharsInCopiedString(const char *stringToCopy, char oldChar, char newChar)
+{
+  char oldCharString[2];
+  *oldCharString = oldChar;
+  *(oldCharString+1) = 0;
+
+  char *translatedString = PL_strdup(stringToCopy);
+  char *currentSeparator = PL_strstr(translatedString, oldCharString);
+
+  while(currentSeparator)
+  {
+    *currentSeparator = newChar;
+    currentSeparator = PL_strstr(currentSeparator+1, oldCharString);
+  }
+
+  return translatedString;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////
+// End of functions which should be made obsolete after modifying nsIURI
+////////////////////////////////////////////////////////////////////////////////////
+
+void nsImapUrl::ParseFolderPath(char **resultingCanonicalPath)
+{
+  char *resultPath = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)NULL;
+
+  if (!resultPath)
+  {
+    m_validUrl = false;
+    return;
+  }
+  NS_ASSERTION(*resultingCanonicalPath == nullptr, "whoops, mem leak");
+
+  char dirSeparator = *resultPath;
+
+  nsCString unescapedResultingCanonicalPath;
+  MsgUnescapeString(nsDependentCString(resultPath + 1), 0, unescapedResultingCanonicalPath);
+  *resultingCanonicalPath = ToNewCString(unescapedResultingCanonicalPath);
+  // The delimiter will be set for a given URL, but will not be statically available
+  // from an arbitrary URL.  It is the creator's responsibility to fill in the correct
+  // delimiter from the folder's namespace when creating the URL.
+  if (dirSeparator != kOnlineHierarchySeparatorUnknown)
+    SetOnlineSubDirSeparator( dirSeparator);
+
+  // if dirSeparator == kOnlineHierarchySeparatorUnknown, then this must be a create
+  // of a top level imap box.  If there is an online subdir, we will automatically
+  // use its separator.  If there is not an online subdir, we don't need a separator.
+}
+
+void nsImapUrl::ParseSearchCriteriaString()
+{
+  if (m_tokenPlaceHolder)
+  {
+    int quotedFlag = false;
+
+    //skip initial separator
+    while (*m_tokenPlaceHolder == *IMAP_URL_TOKEN_SEPARATOR)
+      m_tokenPlaceHolder++;
+
+     char *saveTokenPlaceHolder = m_tokenPlaceHolder;
+
+//    m_searchCriteriaString = m_tokenPlaceHolder;
+
+    //looking for another separator outside quoted string
+    while (*m_tokenPlaceHolder)
+    {
+      if (*m_tokenPlaceHolder == '\\' && *(m_tokenPlaceHolder+1) == '"')
+        m_tokenPlaceHolder++;
+      else if (*m_tokenPlaceHolder == '"')
+        quotedFlag = !quotedFlag;
+      else if (!quotedFlag && *m_tokenPlaceHolder == *IMAP_URL_TOKEN_SEPARATOR)
+      {
+        *m_tokenPlaceHolder = '\0';
+        m_tokenPlaceHolder++;
+        break;
+      }
+      m_tokenPlaceHolder++;
+    }
+    m_searchCriteriaString = PL_strdup(saveTokenPlaceHolder);
+    if (*m_tokenPlaceHolder == '\0')
+      m_tokenPlaceHolder = NULL;
+
+    if (*m_searchCriteriaString == '\0')
+      m_searchCriteriaString = (char *)NULL;
+  }
+  else
+    m_searchCriteriaString = (char *)NULL;
+  if (!m_searchCriteriaString)
+    m_validUrl = false;
+}
+
+
+void nsImapUrl::ParseUidChoice()
+{
+  char *uidChoiceString = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)NULL;
+  if (!uidChoiceString)
+    m_validUrl = false;
+  else
+    m_idsAreUids = strcmp(uidChoiceString, "UID") == 0;
+}
+
+void nsImapUrl::ParseMsgFlags()
+{
+  char *flagsPtr = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)NULL;
+  if (flagsPtr)
+  {
+    // the url is encodes the flags byte as ascii
+    int intFlags = atoi(flagsPtr);
+    m_flags = (imapMessageFlagsType) intFlags;  // cast here
+  }
+  else
+    m_flags = 0;
+}
+
+void nsImapUrl::ParseListOfMessageIds()
+{
+  m_listOfMessageIds = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)NULL;
+  if (!m_listOfMessageIds)
+    m_validUrl = false;
+  else
+  {
+    m_listOfMessageIds = strdup(m_listOfMessageIds);
+    m_mimePartSelectorDetected = PL_strstr(m_listOfMessageIds, "&part=") != 0 || PL_strstr(m_listOfMessageIds, "?part=") != 0;
+
+    // if we're asking for just the body, don't download the whole message. see
+    // nsMsgQuote::QuoteMessage() for the "header=" settings when replying to msgs.
+    if (!m_fetchPartsOnDemand)
+      m_fetchPartsOnDemand = (PL_strstr(m_listOfMessageIds, "?header=quotebody") != 0 ||
+      PL_strstr(m_listOfMessageIds, "?header=only") != 0);
+    // if it's a spam filter trying to fetch the msg, don't let it get marked read.
+    if (PL_strstr(m_listOfMessageIds,"?header=filter") != 0)
+      m_imapAction = nsImapMsgFetchPeek;
+  }
+}
+
+void nsImapUrl::ParseCustomMsgFetchAttribute()
+{
+  m_msgFetchAttribute = m_tokenPlaceHolder ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : (char *)nullptr;
+}
+
+void nsImapUrl::ParseNumBytes()
+{
+  const char *numBytes = (m_tokenPlaceHolder) ? NS_strtok(IMAP_URL_TOKEN_SEPARATOR, &m_tokenPlaceHolder) : 0;
+  m_numBytesToFetch = numBytes ? atoi(numBytes) : 0;
+}
+
+// nsIMsgI18NUrl support
+
+nsresult nsImapUrl::GetMsgFolder(nsIMsgFolder **msgFolder)
+{
+  // if we have a RDF URI, then try to get the folder for that URI and then ask the folder
+  // for it's charset....
+
+  nsCString uri;
+  GetUri(getter_Copies(uri));
+  NS_ENSURE_TRUE(!uri.IsEmpty(), NS_ERROR_FAILURE);
+
+  nsCOMPtr<nsIMsgDBHdr> msg;
+  GetMsgDBHdrFromURI(uri.get(), getter_AddRefs(msg));
+  NS_ENSURE_TRUE(msg, NS_ERROR_FAILURE);
+  nsresult rv = msg->GetFolder(msgFolder);
+  NS_ENSURE_SUCCESS(rv,rv);
+  NS_ENSURE_TRUE(msgFolder, NS_ERROR_FAILURE);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetFolderCharset(char ** aCharacterSet)
+{
+  nsCOMPtr<nsIMsgFolder> folder;
+  nsresult rv = GetMsgFolder(getter_AddRefs(folder));
+  NS_ENSURE_SUCCESS(rv,rv);
+  nsCString tmpStr;
+  folder->GetCharset(tmpStr);
+  *aCharacterSet = ToNewCString(tmpStr);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetFolderCharsetOverride(bool * aCharacterSetOverride)
+{
+  nsCOMPtr<nsIMsgFolder> folder;
+  nsresult rv = GetMsgFolder(getter_AddRefs(folder));
+  NS_ENSURE_SUCCESS(rv,rv);
+  NS_ENSURE_TRUE(folder, NS_ERROR_FAILURE);
+  folder->GetCharsetOverride(aCharacterSetOverride);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetCharsetOverRide(char ** aCharacterSet)
+{
+  if (!mCharsetOverride.IsEmpty())
+    *aCharacterSet = ToNewCString(mCharsetOverride);
+  else
+    *aCharacterSet = nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetCharsetOverRide(const char * aCharacterSet)
+{
+  mCharsetOverride = aCharacterSet;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetStoreResultsOffline(bool *aStoreResultsOffline)
+{
+  NS_ENSURE_ARG_POINTER(aStoreResultsOffline);
+  *aStoreResultsOffline = m_storeResultsOffline;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetStoreResultsOffline(bool aStoreResultsOffline)
+{
+  m_storeResultsOffline = aStoreResultsOffline;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetStoreOfflineOnFallback(bool *aStoreOfflineOnFallback)
+{
+  NS_ENSURE_ARG_POINTER(aStoreOfflineOnFallback);
+  *aStoreOfflineOnFallback = m_storeOfflineOnFallback;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::SetStoreOfflineOnFallback(bool aStoreOfflineOnFallback)
+{
+  m_storeOfflineOnFallback = aStoreOfflineOnFallback;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapUrl::GetMessageHeader(nsIMsgDBHdr ** aMsgHdr)
+{
+  nsCString uri;
+  nsresult rv = GetUri(getter_Copies(uri));
+  NS_ENSURE_SUCCESS(rv, rv);
+  return GetMsgDBHdrFromURI(uri.get(), aMsgHdr);
+}
+
+NS_IMETHODIMP nsImapUrl::SetMessageHeader(nsIMsgDBHdr *aMsgHdr)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}