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

1 files changed, 701 insertions, 0 deletions

diff --git a/mailnews/imap/src/nsIMAPHostSessionList.cpp b/mailnews/imap/src/nsIMAPHostSessionList.cpp
new file mode 100644
index 000000000..650faf9d4
--- /dev/null
+++ b/mailnews/imap/src/nsIMAPHostSessionList.cpp
@@ -0,0 +1,701 @@
+/* -*- Mode: C++; tab-width: 4; 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"
+#include "nsIMAPHostSessionList.h"
+#include "nsIMAPBodyShell.h"
+#include "nsIMAPNamespace.h"
+#include "nsISupportsUtils.h"
+#include "nsIImapIncomingServer.h"
+#include "nsCOMPtr.h"
+#include "nsIMsgIncomingServer.h"
+#include "nsIObserverService.h"
+#include "nsServiceManagerUtils.h"
+#include "nsMsgUtils.h"
+#include "mozilla/Services.h"
+
+nsIMAPHostInfo::nsIMAPHostInfo(const char *serverKey,
+                               nsIImapIncomingServer *server)
+{
+  fServerKey = serverKey;
+  NS_ASSERTION(server, "*** Fatal null imap incoming server...\n");
+  server->GetServerDirectory(fOnlineDir);
+  fNextHost = NULL;
+  fCachedPassword = NULL;
+  fCapabilityFlags = kCapabilityUndefined;
+  fHierarchyDelimiters = NULL;
+#ifdef DEBUG_bienvenu1
+  fHaveWeEverDiscoveredFolders = true; // try this, see what bad happens - we'll need to
+  // figure out a way to make new accounts have it be false
+#else
+  fHaveWeEverDiscoveredFolders = false; // try this, see what bad happens
+#endif
+  fCanonicalOnlineSubDir = NULL;
+  fNamespaceList = nsIMAPNamespaceList::CreatensIMAPNamespaceList();
+  fUsingSubscription = true;
+  server->GetUsingSubscription(&fUsingSubscription);
+  fOnlineTrashFolderExists = false;
+  fShouldAlwaysListInbox = true;
+  fShellCache = nsIMAPBodyShellCache::Create();
+  fPasswordVerifiedOnline = false;
+  fDeleteIsMoveToTrash = true;
+  fShowDeletedMessages = false;
+  fGotNamespaces = false;
+  fHaveAdminURL = false;
+  fNamespacesOverridable = true;
+  server->GetOverrideNamespaces(&fNamespacesOverridable);
+  fTempNamespaceList = nsIMAPNamespaceList::CreatensIMAPNamespaceList();
+}
+
+nsIMAPHostInfo::~nsIMAPHostInfo()
+{
+  PR_Free(fCachedPassword);
+  PR_Free(fHierarchyDelimiters);
+  delete fNamespaceList;
+  delete fTempNamespaceList;
+  delete fShellCache;
+}
+
+NS_IMPL_ISUPPORTS(nsIMAPHostSessionList,
+                              nsIImapHostSessionList,
+                              nsIObserver,
+                              nsISupportsWeakReference)
+
+
+nsIMAPHostSessionList::nsIMAPHostSessionList()
+{
+  gCachedHostInfoMonitor = PR_NewMonitor(/* "accessing-hostlist-monitor"*/);
+  fHostInfoList = nullptr;
+}
+
+nsIMAPHostSessionList::~nsIMAPHostSessionList()
+{
+  ResetAll();
+  PR_DestroyMonitor(gCachedHostInfoMonitor);
+}
+
+nsresult nsIMAPHostSessionList::Init()
+{
+  nsCOMPtr<nsIObserverService> observerService =
+    mozilla::services::GetObserverService();
+  NS_ENSURE_TRUE(observerService, NS_ERROR_UNEXPECTED);
+  observerService->AddObserver(this, "profile-before-change", true);
+  observerService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, true);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP nsIMAPHostSessionList::Observe(nsISupports *aSubject, const char *aTopic, const char16_t *someData)
+{
+  if (!strcmp(aTopic, "profile-before-change"))
+    ResetAll();
+  else if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID))
+  {
+    nsCOMPtr<nsIObserverService> observerService =
+      mozilla::services::GetObserverService();
+    NS_ENSURE_TRUE(observerService, NS_ERROR_UNEXPECTED);
+    observerService->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID);
+    observerService->RemoveObserver(this, "profile-before-change");
+  }
+  return NS_OK;
+}
+
+nsIMAPHostInfo *nsIMAPHostSessionList::FindHost(const char *serverKey)
+{
+  nsIMAPHostInfo *host;
+
+  // ### should also check userName here, if NON NULL
+  for (host = fHostInfoList; host; host = host->fNextHost)
+  {
+    if (host->fServerKey.Equals(serverKey, nsCaseInsensitiveCStringComparator()))
+      return host;
+  }
+  return host;
+}
+
+// reset any cached connection info - delete the lot of 'em
+NS_IMETHODIMP nsIMAPHostSessionList::ResetAll()
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *nextHost = NULL;
+  for (nsIMAPHostInfo *host = fHostInfoList; host; host = nextHost)
+  {
+    nextHost = host->fNextHost;
+    delete host;
+  }
+  fHostInfoList = NULL;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIMAPHostSessionList::AddHostToList(const char *serverKey,
+                                     nsIImapIncomingServer *server)
+{
+  nsIMAPHostInfo *newHost=NULL;
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  if (!FindHost(serverKey))
+  {
+    // stick it on the front
+    newHost = new nsIMAPHostInfo(serverKey, server);
+    if (newHost)
+    {
+      newHost->fNextHost = fHostInfoList;
+      fHostInfoList = newHost;
+    }
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (newHost == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetPasswordForHost(const char *serverKey, nsString &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    CopyASCIItoUTF16(nsDependentCString(host->fCachedPassword), result);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetPasswordForHost(const char *serverKey, const char *password)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+  {
+    PR_FREEIF(host->fCachedPassword);
+    if (password)
+      host->fCachedPassword = NS_strdup(password);
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetPasswordVerifiedOnline(const char *serverKey)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fPasswordVerifiedOnline = true;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetPasswordVerifiedOnline(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fPasswordVerifiedOnline;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetOnlineDirForHost(const char *serverKey,
+                                                         nsString &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    CopyASCIItoUTF16(host->fOnlineDir, result);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetOnlineDirForHost(const char *serverKey,
+                                                         const char *onlineDir)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+  {
+    if (onlineDir)
+      host->fOnlineDir = onlineDir;
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetDeleteIsMoveToTrashForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fDeleteIsMoveToTrash;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetShowDeletedMessagesForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fShowDeletedMessages;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetDeleteIsMoveToTrashForHost(const char *serverKey, bool isMoveToTrash)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fDeleteIsMoveToTrash = isMoveToTrash;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetShowDeletedMessagesForHost(const char *serverKey, bool showDeletedMessages)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fShowDeletedMessages = showDeletedMessages;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetGotNamespacesForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fGotNamespaces;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetGotNamespacesForHost(const char *serverKey, bool gotNamespaces)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fGotNamespaces = gotNamespaces;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetHostIsUsingSubscription(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fUsingSubscription;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetHostIsUsingSubscription(const char *serverKey, bool usingSubscription)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fUsingSubscription = usingSubscription;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetHostHasAdminURL(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fHaveAdminURL;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetHostHasAdminURL(const char *serverKey, bool haveAdminURL)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fHaveAdminURL = haveAdminURL;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetHaveWeEverDiscoveredFoldersForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fHaveWeEverDiscoveredFolders;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetHaveWeEverDiscoveredFoldersForHost(const char *serverKey, bool discovered)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fHaveWeEverDiscoveredFolders = discovered;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetOnlineTrashFolderExistsForHost(const char *serverKey, bool exists)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fOnlineTrashFolderExists = exists;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetOnlineTrashFolderExistsForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fOnlineTrashFolderExists;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::AddNewNamespaceForHost(const char *serverKey, nsIMAPNamespace *ns)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fNamespaceList->AddNewNamespace(ns);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetNamespaceFromPrefForHost(const char *serverKey,
+                                                                 const char *namespacePref, EIMAPNamespaceType nstype)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+  {
+    if (namespacePref)
+    {
+      int numNamespaces = host->fNamespaceList->UnserializeNamespaces(namespacePref, nullptr, 0);
+      char **prefixes = (char**) PR_CALLOC(numNamespaces * sizeof(char*));
+      if (prefixes)
+      {
+        int len = host->fNamespaceList->UnserializeNamespaces(namespacePref, prefixes, numNamespaces);
+        for (int i = 0; i < len; i++)
+        {
+          char *thisns = prefixes[i];
+          char delimiter = '/';	// a guess
+          if (PL_strlen(thisns) >= 1)
+            delimiter = thisns[PL_strlen(thisns)-1];
+          nsIMAPNamespace *ns = new nsIMAPNamespace(nstype, thisns, delimiter, true);
+          if (ns)
+            host->fNamespaceList->AddNewNamespace(ns);
+          PR_FREEIF(thisns);
+        }
+        PR_Free(prefixes);
+      }
+    }
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetNamespaceForMailboxForHost(const char *serverKey, const char *mailbox_name, nsIMAPNamespace * &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fNamespaceList->GetNamespaceForMailbox(mailbox_name);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+
+NS_IMETHODIMP nsIMAPHostSessionList::ClearPrefsNamespacesForHost(const char *serverKey)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fNamespaceList->ClearNamespaces(true, false, true);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+
+NS_IMETHODIMP nsIMAPHostSessionList::ClearServerAdvertisedNamespacesForHost(const char *serverKey)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fNamespaceList->ClearNamespaces(false, true, true);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetDefaultNamespaceOfTypeForHost(const char *serverKey, EIMAPNamespaceType type, nsIMAPNamespace * &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fNamespaceList->GetDefaultNamespaceOfType(type);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetNamespacesOverridableForHost(const char *serverKey, bool &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fNamespacesOverridable;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetNamespacesOverridableForHost(const char *serverKey, bool overridable)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    host->fNamespacesOverridable = overridable;
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetNumberOfNamespacesForHost(const char *serverKey, uint32_t &result)
+{
+  int32_t intResult = 0;
+
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    intResult = host->fNamespaceList->GetNumberOfNamespaces();
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  NS_ASSERTION(intResult >= 0, "negative number of namespaces");
+  result = (uint32_t) intResult;
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP	nsIMAPHostSessionList::GetNamespaceNumberForHost(const char *serverKey, int32_t n, nsIMAPNamespace * &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+    result = host->fNamespaceList->GetNamespaceNumber(n);
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+nsresult nsIMAPHostSessionList::SetNamespacesPrefForHost(nsIImapIncomingServer *aHost,
+                                                         EIMAPNamespaceType type,
+                                                         const char *pref)
+{
+  if (type == kPersonalNamespace)
+    aHost->SetPersonalNamespace(nsDependentCString(pref));
+  else if (type == kPublicNamespace)
+    aHost->SetPublicNamespace(nsDependentCString(pref));
+  else if (type == kOtherUsersNamespace)
+    aHost->SetOtherUsersNamespace(nsDependentCString(pref));
+  else
+    NS_ASSERTION(false, "bogus namespace type");
+  return NS_OK;
+
+}
+// do we need this? What should we do about the master thing?
+// Make sure this is running in the Mozilla thread when called
+NS_IMETHODIMP nsIMAPHostSessionList::CommitNamespacesForHost(nsIImapIncomingServer *aHost)
+{
+  NS_ENSURE_ARG_POINTER(aHost);
+  nsCString serverKey;
+  nsCOMPtr <nsIMsgIncomingServer> incomingServer = do_QueryInterface(aHost);
+  if (!incomingServer)
+    return NS_ERROR_NULL_POINTER;
+
+  nsresult rv = incomingServer->GetKey(serverKey);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey.get());
+  if (host)
+  {
+    host->fGotNamespaces = true;	// so we only issue NAMESPACE once per host per session.
+    EIMAPNamespaceType type = kPersonalNamespace;
+    for (int i = 1; i <= 3; i++)
+    {
+      switch(i)
+      {
+      case 1:
+        type = kPersonalNamespace;
+        break;
+      case 2:
+        type = kPublicNamespace;
+        break;
+      case 3:
+        type = kOtherUsersNamespace;
+        break;
+      default:
+        type = kPersonalNamespace;
+        break;
+      }
+
+      int32_t numInNS = host->fNamespaceList->GetNumberOfNamespaces(type);
+      if (numInNS == 0)
+        SetNamespacesPrefForHost(aHost, type, "");
+      else if (numInNS >= 1)
+      {
+        char *pref = PR_smprintf("");
+        for (int count = 1; count <= numInNS; count++)
+        {
+          nsIMAPNamespace *ns = host->fNamespaceList->GetNamespaceNumber(count, type);
+          if (ns)
+          {
+            if (count > 1)
+            {
+              // append the comma
+              char *tempPref = PR_smprintf("%s,",pref);
+              PR_FREEIF(pref);
+              pref = tempPref;
+            }
+            char *tempPref = PR_smprintf("%s\"%s\"",pref,ns->GetPrefix());
+            PR_FREEIF(pref);
+            pref = tempPref;
+          }
+        }
+        if (pref)
+        {
+          SetNamespacesPrefForHost(aHost, type, pref);
+          PR_Free(pref);
+        }
+      }
+    }
+    // clear, but don't delete the entries in, the temp namespace list
+    host->fTempNamespaceList->ClearNamespaces(true, true, false);
+
+    // Now reset all of libmsg's namespace references.
+    // Did I mention this needs to be running in the mozilla thread?
+    aHost->ResetNamespaceReferences();
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::FlushUncommittedNamespacesForHost(const char *serverKey, bool &result)
+{
+	PR_EnterMonitor(gCachedHostInfoMonitor);
+	nsIMAPHostInfo *host = FindHost(serverKey);
+	if (host)
+		host->fTempNamespaceList->ClearNamespaces(true, true, true);
+	PR_ExitMonitor(gCachedHostInfoMonitor);
+	return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+
+// Returns NULL if there is no personal namespace on the given host
+NS_IMETHODIMP nsIMAPHostSessionList::GetOnlineInboxPathForHost(const char *serverKey, nsString &result)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+  {
+    nsIMAPNamespace *ns = NULL;
+    ns = host->fNamespaceList->GetDefaultNamespaceOfType(kPersonalNamespace);
+    if (ns)
+    {
+      CopyASCIItoUTF16(nsDependentCString(ns->GetPrefix()), result);
+      result.AppendLiteral("INBOX");
+    }
+  }
+  else
+    result.Truncate();
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::GetShouldAlwaysListInboxForHost(const char* /*serverKey*/, bool &result)
+{
+	result = true;
+
+	/*
+	PR_EnterMonitor(gCachedHostInfoMonitor);
+	nsIMAPHostInfo *host = FindHost(serverKey);
+	if (host)
+		ret = host->fShouldAlwaysListInbox;
+	PR_ExitMonitor(gCachedHostInfoMonitor);
+	*/
+	return NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetShouldAlwaysListInboxForHost(const char *serverKey, bool shouldList)
+{
+	PR_EnterMonitor(gCachedHostInfoMonitor);
+	nsIMAPHostInfo *host = FindHost(serverKey);
+	if (host)
+		host->fShouldAlwaysListInbox = shouldList;
+	PR_ExitMonitor(gCachedHostInfoMonitor);
+	return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::SetNamespaceHierarchyDelimiterFromMailboxForHost(const char *serverKey, const char *boxName, char delimiter)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host)
+  {
+    nsIMAPNamespace *ns = host->fNamespaceList->GetNamespaceForMailbox(boxName);
+    if (ns && !ns->GetIsDelimiterFilledIn())
+      ns->SetDelimiter(delimiter, true);
+  }
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host) ? NS_OK : NS_ERROR_ILLEGAL_VALUE ;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::AddShellToCacheForHost(const char *serverKey, nsIMAPBodyShell *shell)
+{
+        nsresult rv = NS_OK;
+	PR_EnterMonitor(gCachedHostInfoMonitor);
+	nsIMAPHostInfo *host = FindHost(serverKey);
+	if (host)
+	{
+		if (host->fShellCache)
+		{
+			if (!host->fShellCache->AddShellToCache(shell))
+                                rv = NS_ERROR_UNEXPECTED;
+		}
+	}
+        else
+                rv = NS_ERROR_ILLEGAL_VALUE;
+
+	PR_ExitMonitor(gCachedHostInfoMonitor);
+	return rv;
+}
+
+NS_IMETHODIMP nsIMAPHostSessionList::FindShellInCacheForHost(const char *serverKey, const char *mailboxName, const char *UID,
+                                                             IMAP_ContentModifiedType modType, nsIMAPBodyShell **shell)
+{
+  nsCString uidString(UID);
+
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host && host->fShellCache)
+    NS_IF_ADDREF(*shell = host->fShellCache->FindShellForUID(uidString,
+                                                             mailboxName,
+                                                             modType));
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+
+NS_IMETHODIMP 
+nsIMAPHostSessionList::ClearShellCacheForHost(const char *serverKey)
+{
+  PR_EnterMonitor(gCachedHostInfoMonitor);
+  nsIMAPHostInfo *host = FindHost(serverKey);
+  if (host && host->fShellCache)
+    host->fShellCache->Clear();
+  PR_ExitMonitor(gCachedHostInfoMonitor);
+  return (host == NULL) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
+}
+