1 files changed, 331 insertions, 0 deletions
diff --git a/mailnews/addrbook/src/nsAbAddressCollector.cpp b/mailnews/addrbook/src/nsAbAddressCollector.cpp
new file mode 100644
index 0000000000..60f359601b
--- /dev/null
+++ b/mailnews/addrbook/src/nsAbAddressCollector.cpp
@@ -0,0 +1,331 @@
+/* -*- 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"  // for pre-compiled headers
+#include "nsISimpleEnumerator.h"
+
+#include "nsIAbCard.h"
+#include "nsAbBaseCID.h"
+#include "nsAbAddressCollector.h"
+#include "nsIPrefService.h"
+#include "nsIPrefBranch.h"
+#include "nsStringGlue.h"
+#include "prmem.h"
+#include "nsServiceManagerUtils.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIAbManager.h"
+#include "mozilla/mailnews/MimeHeaderParser.h"
+
+using namespace mozilla::mailnews;
+
+NS_IMPL_ISUPPORTS(nsAbAddressCollector, nsIAbAddressCollector, nsIObserver)
+
+#define PREF_MAIL_COLLECT_ADDRESSBOOK "mail.collect_addressbook"
+
+nsAbAddressCollector::nsAbAddressCollector()
+{
+}
+
+nsAbAddressCollector::~nsAbAddressCollector()
+{
+  nsresult rv;
+  nsCOMPtr<nsIPrefBranch> pPrefBranchInt(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
+  if (NS_SUCCEEDED(rv))
+    pPrefBranchInt->RemoveObserver(PREF_MAIL_COLLECT_ADDRESSBOOK, this);
+}
+
+/**
+ * Returns the first card found with the specified email address. This
+ * returns an already addrefed pointer to the card if the card is found.
+ */
+already_AddRefed<nsIAbCard>
+nsAbAddressCollector::GetCardForAddress(const nsACString &aEmailAddress,
+                                        nsIAbDirectory **aDirectory)
+{
+  nsresult rv;
+  nsCOMPtr<nsIAbManager> abManager(do_GetService(NS_ABMANAGER_CONTRACTID, &rv));
+  NS_ENSURE_SUCCESS(rv, nullptr);
+
+  nsCOMPtr<nsISimpleEnumerator> enumerator;
+  rv = abManager->GetDirectories(getter_AddRefs(enumerator));
+  NS_ENSURE_SUCCESS(rv, nullptr);
+
+  bool hasMore;
+  nsCOMPtr<nsISupports> supports;
+  nsCOMPtr<nsIAbDirectory> directory;
+  nsCOMPtr<nsIAbCard> result;
+  while (NS_SUCCEEDED(enumerator->HasMoreElements(&hasMore)) && hasMore)
+  {
+    rv = enumerator->GetNext(getter_AddRefs(supports));
+    NS_ENSURE_SUCCESS(rv, nullptr);
+
+    directory = do_QueryInterface(supports, &rv);
+    if (NS_FAILED(rv))
+      continue;
+
+    // Some implementations may return NS_ERROR_NOT_IMPLEMENTED here,
+    // so just catch the value and continue.
+    if (NS_FAILED(directory->CardForEmailAddress(aEmailAddress,
+                                                 getter_AddRefs(result))))
+    {
+      continue;
+    }
+
+    if (result)
+    {
+      if (aDirectory)
+        directory.forget(aDirectory);
+      return result.forget();
+    }
+  }
+  return nullptr;
+}
+
+NS_IMETHODIMP
+nsAbAddressCollector::CollectAddress(const nsACString &aAddresses,
+                                     bool aCreateCard,
+                                     uint32_t aSendFormat)
+{
+  // If we've not got a valid directory, no point in going any further
+  if (!mDirectory)
+    return NS_OK;
+
+  // note that we're now setting the whole recipient list,
+  // not just the pretty name of the first recipient.
+  nsTArray<nsCString> names;
+  nsTArray<nsCString> addresses;
+  ExtractAllAddresses(EncodedHeader(aAddresses),
+    UTF16ArrayAdapter<>(names), UTF16ArrayAdapter<>(addresses));
+  uint32_t numAddresses = names.Length();
+
+  for (uint32_t i = 0; i < numAddresses; i++)
+  {
+    // Don't allow collection of addresses with no email address, it makes
+    // no sense. Whilst we should never get here in most normal cases, we
+    // should still be careful.
+    if (addresses[i].IsEmpty())
+      continue;
+
+    CollectSingleAddress(addresses[i], names[i], aCreateCard, aSendFormat,
+                         false);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsAbAddressCollector::CollectSingleAddress(const nsACString &aEmail,
+                                           const nsACString &aDisplayName,
+                                           bool aCreateCard,
+                                           uint32_t aSendFormat,
+                                           bool aSkipCheckExisting)
+{
+  if (!mDirectory)
+    return NS_OK;
+
+  nsresult rv;
+
+  nsCOMPtr<nsIAbDirectory> originDirectory;
+  nsCOMPtr<nsIAbCard> card = (!aSkipCheckExisting) ?
+    GetCardForAddress(aEmail, getter_AddRefs(originDirectory)) : nullptr;
+
+  if (!card && (aCreateCard || aSkipCheckExisting))
+  {
+    card = do_CreateInstance(NS_ABCARDPROPERTY_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv) && card)
+    {
+      // Set up the fields for the new card.
+      SetNamesForCard(card, aDisplayName);
+      AutoCollectScreenName(card, aEmail);
+
+      if (NS_SUCCEEDED(card->SetPrimaryEmail(NS_ConvertUTF8toUTF16(aEmail))))
+      {
+        card->SetPropertyAsUint32(kPreferMailFormatProperty, aSendFormat);
+
+        nsCOMPtr<nsIAbCard> addedCard;
+        rv = mDirectory->AddCard(card, getter_AddRefs(addedCard));
+        NS_ASSERTION(NS_SUCCEEDED(rv), "failed to add card");
+      }
+    }
+  }
+  else if (card && originDirectory)
+  {
+    // It could be that the origin directory is read-only, so don't try and
+    // write to it if it is.
+    bool readOnly;
+    rv = originDirectory->GetReadOnly(&readOnly);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (readOnly)
+      return NS_OK;
+
+    // address is already in the AB, so update the names
+    bool modifiedCard = false;
+
+    nsString displayName;
+    card->GetDisplayName(displayName);
+    // If we already have a display name, don't set the names on the card.
+    if (displayName.IsEmpty() && !aDisplayName.IsEmpty())
+      modifiedCard = SetNamesForCard(card, aDisplayName);
+
+    if (aSendFormat != nsIAbPreferMailFormat::unknown)
+    {
+      uint32_t currentFormat;
+      rv = card->GetPropertyAsUint32(kPreferMailFormatProperty,
+                                     &currentFormat);
+      NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get preferred mail format");
+
+      // we only want to update the AB if the current format is unknown
+      if (currentFormat == nsIAbPreferMailFormat::unknown &&
+          NS_SUCCEEDED(card->SetPropertyAsUint32(kPreferMailFormatProperty,
+                                                 aSendFormat)))
+        modifiedCard = true;
+    }
+
+    if (modifiedCard)
+      originDirectory->ModifyCard(card);
+  }
+
+  return NS_OK;
+}
+
+// Works out the screen name to put on the card for some well-known addresses
+void
+nsAbAddressCollector::AutoCollectScreenName(nsIAbCard *aCard,
+                                            const nsACString &aEmail)
+{
+  if (!aCard)
+    return;
+
+  int32_t atPos = aEmail.FindChar('@');
+  if (atPos == -1)
+    return;
+
+  const nsACString& domain = Substring(aEmail, atPos + 1);
+
+  if (domain.IsEmpty())
+    return;
+  // username in 
+  // username@aol.com (America Online)
+  // username@cs.com (Compuserve)
+  // username@netscape.net (Netscape webmail)
+  // are all AIM screennames.  autocollect that info.
+  if (domain.Equals("aol.com") || domain.Equals("cs.com") ||
+      domain.Equals("netscape.net"))
+    aCard->SetPropertyAsAUTF8String(kScreenNameProperty, Substring(aEmail, 0, atPos));
+  else if (domain.Equals("gmail.com") || domain.Equals("googlemail.com"))
+    aCard->SetPropertyAsAUTF8String(kGtalkProperty, Substring(aEmail, 0, atPos));
+}
+
+// Returns true if the card was modified successfully.
+bool
+nsAbAddressCollector::SetNamesForCard(nsIAbCard *aSenderCard,
+                                      const nsACString &aFullName)
+{
+  nsCString firstName;
+  nsCString lastName;
+  bool modifiedCard = false;
+
+  if (NS_SUCCEEDED(aSenderCard->SetDisplayName(NS_ConvertUTF8toUTF16(aFullName))))
+    modifiedCard = true;
+
+  // Now split up the full name.
+  SplitFullName(nsCString(aFullName), firstName, lastName);
+
+  if (!firstName.IsEmpty() &&
+      NS_SUCCEEDED(aSenderCard->SetFirstName(NS_ConvertUTF8toUTF16(firstName))))
+    modifiedCard = true;
+
+  if (!lastName.IsEmpty() &&
+      NS_SUCCEEDED(aSenderCard->SetLastName(NS_ConvertUTF8toUTF16(lastName))))
+    modifiedCard = true;
+
+  if (modifiedCard)
+    aSenderCard->SetPropertyAsBool("PreferDisplayName", false);
+
+  return modifiedCard;
+}
+
+// Splits the first and last name based on the space between them.
+void
+nsAbAddressCollector::SplitFullName(const nsCString &aFullName, nsCString &aFirstName,
+                                    nsCString &aLastName)
+{
+  int index = aFullName.RFindChar(' ');
+  if (index != -1)
+  {
+    aLastName = Substring(aFullName, index + 1);
+    aFirstName = Substring(aFullName, 0, index);
+  }
+}
+
+// Observes the collected address book pref in case it changes.
+NS_IMETHODIMP
+nsAbAddressCollector::Observe(nsISupports *aSubject, const char *aTopic,
+                              const char16_t *aData)
+{
+  nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
+  if (!prefBranch) {
+    NS_ASSERTION(prefBranch, "failed to get prefs");
+    return NS_OK;
+  }
+
+  SetUpAbFromPrefs(prefBranch);
+  return NS_OK;
+}
+
+// Initialises the collector with the required items.
+nsresult
+nsAbAddressCollector::Init(void)
+{
+  nsresult rv;
+  nsCOMPtr<nsIPrefBranch> prefBranch(do_GetService(NS_PREFSERVICE_CONTRACTID,
+                                                   &rv));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  rv = prefBranch->AddObserver(PREF_MAIL_COLLECT_ADDRESSBOOK, this, false);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  SetUpAbFromPrefs(prefBranch);
+  return NS_OK;
+}
+
+// Performs the necessary changes to set up the collector for the specified
+// collected address book.
+void
+nsAbAddressCollector::SetUpAbFromPrefs(nsIPrefBranch *aPrefBranch)
+{
+  nsCString abURI;
+  aPrefBranch->GetCharPref(PREF_MAIL_COLLECT_ADDRESSBOOK,
+                           getter_Copies(abURI));
+
+  if (abURI.IsEmpty())
+    abURI.AssignLiteral(kPersonalAddressbookUri);
+
+  if (abURI == mABURI)
+    return;
+
+  mDirectory = nullptr;
+  mABURI = abURI;
+
+  nsresult rv;
+  nsCOMPtr<nsIAbManager> abManager(do_GetService(NS_ABMANAGER_CONTRACTID, &rv));
+  NS_ENSURE_SUCCESS_VOID(rv);
+
+  rv = abManager->GetDirectory(mABURI, getter_AddRefs(mDirectory));
+  NS_ENSURE_SUCCESS_VOID(rv);
+
+  bool readOnly;
+  rv = mDirectory->GetReadOnly(&readOnly);
+  NS_ENSURE_SUCCESS_VOID(rv);
+
+  // If the directory is read-only, we can't write to it, so just blank it out
+  // here, and warn because we shouldn't hit this (UI is wrong).
+  if (readOnly)
+  {
+    NS_ERROR("Address Collection book preferences is set to a read-only book. "
+             "Address collection will not take place.");
+    mDirectory = nullptr;
+  }
+}