202 lines
8.2 KiB
Java
202 lines
8.2 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source P-roject
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.mail;
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import android.content.Context;
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import android.os.Bundle;
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import android.util.Log;
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import com.android.email.R;
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import com.android.email.mail.store.Pop3Store;
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import com.android.email.mail.store.ServiceStore;
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import com.android.email2.ui.MailActivityEmail;
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import com.android.emailcommon.Logging;
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import com.android.emailcommon.mail.Folder;
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import com.android.emailcommon.mail.MessagingException;
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import com.android.emailcommon.mail.Transport;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.provider.HostAuth;
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import com.android.emailcommon.provider.Mailbox;
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import com.google.common.annotations.VisibleForTesting;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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/**
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* Store is the legacy equivalent of the Account class
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*/
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public abstract class Store {
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/**
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* A global suggestion to Store implementors on how much of the body
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* should be returned on FetchProfile.Item.BODY_SANE requests. We'll use 125k now.
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*/
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public static final int FETCH_BODY_SANE_SUGGESTED_SIZE = (125 * 1024);
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@VisibleForTesting
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static final HashMap<HostAuth, Store> sStores = new HashMap<HostAuth, Store>();
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protected Context mContext;
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protected Account mAccount;
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protected Transport mTransport;
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protected String mUsername;
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protected String mPassword;
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static final HashMap<String, Class<? extends Store>> sStoreClasses =
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new HashMap<String, Class<? extends Store>>();
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/**
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* Static named constructor. It should be overrode by extending class.
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* Because this method will be called through reflection, it can not be protected.
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*/
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static Store newInstance(Account account, Context context) throws MessagingException {
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throw new MessagingException("Store#newInstance: Unknown scheme in "
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+ account.mDisplayName);
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}
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/**
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* Get an instance of a mail store for the given account. The account must be valid (i.e. has
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* at least an incoming server name).
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*
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* NOTE: The internal algorithm used to find a cached store depends upon the account's
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* HostAuth row. If this ever changes (e.g. such as the user updating the
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* host name or port), we will leak entries. This should not be typical, so, it is not
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* a critical problem. However, it is something we should consider fixing.
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*
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* @param account The account of the store.
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* @return an initialized store of the appropriate class
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* @throws MessagingException If the store cannot be obtained or if the account is invalid.
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*/
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public synchronized static Store getInstance(Account account, Context context)
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throws MessagingException {
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if (sStores.isEmpty()) {
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sStoreClasses.put(context.getString(R.string.protocol_pop3), Pop3Store.class);
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}
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HostAuth hostAuth = account.getOrCreateHostAuthRecv(context);
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// An existing account might have been deleted
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if (hostAuth == null) return null;
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Store store = sStores.get(hostAuth);
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if (store == null) {
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Context appContext = context.getApplicationContext();
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Class<? extends Store> klass = sStoreClasses.get(hostAuth.mProtocol);
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if (klass == null) {
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klass = ServiceStore.class;
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}
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try {
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// invoke "newInstance" class method
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Method m = klass.getMethod("newInstance", Account.class, Context.class);
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store = (Store)m.invoke(null, account, appContext);
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} catch (Exception e) {
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Log.d(Logging.LOG_TAG, String.format(
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"exception %s invoking method %s#newInstance(Account, Context) for %s",
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e.toString(), klass.getName(), account.mDisplayName));
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throw new MessagingException("Can't instantiate Store for " + account.mDisplayName);
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}
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// Don't cache this unless it's we've got a saved HostAuth
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if (hostAuth.mId != EmailContent.NOT_SAVED) {
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sStores.put(hostAuth, store);
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}
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}
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return store;
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}
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/**
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* Delete the mail store associated with the given account. The account must be valid (i.e. has
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* at least an incoming server name).
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*
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* The store should have been notified already by calling delete(), and the caller should
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* also take responsibility for deleting the matching LocalStore, etc.
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*
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* @throws MessagingException If the store cannot be removed or if the account is invalid.
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*/
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public synchronized static Store removeInstance(Account account, Context context)
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throws MessagingException {
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return sStores.remove(HostAuth.restoreHostAuthWithId(context, account.mHostAuthKeyRecv));
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}
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/**
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* Some protocols require that a sent message be copied (uploaded) into the Sent folder
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* while others can take care of it automatically (ideally, on the server). This function
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* allows a given store to indicate which mode(s) it supports.
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* @return true if the store requires an upload into "sent", false if this happens automatically
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* for any sent message.
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*/
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public boolean requireCopyMessageToSentFolder() {
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return true;
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}
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public Folder getFolder(String name) throws MessagingException {
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return null;
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}
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/**
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* Updates the local list of mailboxes according to what is located on the remote server.
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* <em>Note: This does not perform folder synchronization and it will not remove mailboxes
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* that are stored locally but not remotely.</em>
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* @return The set of remote folders
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* @throws MessagingException If there was a problem connecting to the remote server
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*/
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public Folder[] updateFolders() throws MessagingException {
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return null;
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}
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public abstract Bundle checkSettings() throws MessagingException;
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/**
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* Handle discovery of account settings using only the user's email address and password
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* @param context the context of the caller
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* @param emailAddress the email address of the exchange user
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* @param password the password of the exchange user
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* @return a Bundle containing an error code and a HostAuth (if successful)
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* @throws MessagingException
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*/
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public Bundle autoDiscover(Context context, String emailAddress, String password)
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throws MessagingException {
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return null;
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}
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/**
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* Updates the fields within the given mailbox. Only the fields that are important to
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* non-EAS accounts are modified.
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*/
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protected static void updateMailbox(Mailbox mailbox, long accountId, String mailboxPath,
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char delimiter, boolean selectable, int type) {
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mailbox.mAccountKey = accountId;
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mailbox.mDelimiter = delimiter;
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String displayPath = mailboxPath;
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int pathIndex = mailboxPath.lastIndexOf(delimiter);
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if (pathIndex > 0) {
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displayPath = mailboxPath.substring(pathIndex + 1);
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}
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mailbox.mDisplayName = displayPath;
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if (selectable) {
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mailbox.mFlags = Mailbox.FLAG_HOLDS_MAIL | Mailbox.FLAG_ACCEPTS_MOVED_MAIL;
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}
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mailbox.mFlagVisible = true;
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//mailbox.mParentKey;
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//mailbox.mParentServerId;
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mailbox.mServerId = mailboxPath;
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//mailbox.mServerId;
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//mailbox.mSyncFrequency;
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//mailbox.mSyncKey;
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//mailbox.mSyncLookback;
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//mailbox.mSyncTime;
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mailbox.mType = type;
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//box.mUnreadCount;
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mailbox.mVisibleLimit = MailActivityEmail.VISIBLE_LIMIT_DEFAULT;
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}
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}
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