mirror of https://github.com/moparisthebest/k-9
984 lines
37 KiB
Java
984 lines
37 KiB
Java
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package com.fsck.k9.mail.store;
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import android.util.Log;
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import com.fsck.k9.Account;
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import com.fsck.k9.K9;
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import com.fsck.k9.controller.MessageRetrievalListener;
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import com.fsck.k9.helper.Utility;
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import com.fsck.k9.mail.*;
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import com.fsck.k9.mail.Folder.OpenMode;
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import com.fsck.k9.mail.internet.MimeMessage;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.TrustManager;
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import java.io.*;
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import java.net.*;
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import java.security.GeneralSecurityException;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.LinkedList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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public class Pop3Store extends Store {
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public static final int CONNECTION_SECURITY_NONE = 0;
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public static final int CONNECTION_SECURITY_TLS_OPTIONAL = 1;
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public static final int CONNECTION_SECURITY_TLS_REQUIRED = 2;
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public static final int CONNECTION_SECURITY_SSL_REQUIRED = 3;
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public static final int CONNECTION_SECURITY_SSL_OPTIONAL = 4;
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private static final Flag[] PERMANENT_FLAGS = { Flag.DELETED };
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/**
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* Decodes a Pop3Store URI.
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*
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* <p>Possible forms:</p>
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* <pre>
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* pop3://user:password@server:port CONNECTION_SECURITY_NONE
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* pop3+tls://user:password@server:port CONNECTION_SECURITY_TLS_OPTIONAL
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* pop3+tls+://user:password@server:port CONNECTION_SECURITY_TLS_REQUIRED
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* pop3+ssl+://user:password@server:port CONNECTION_SECURITY_SSL_REQUIRED
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* pop3+ssl://user:password@server:port CONNECTION_SECURITY_SSL_OPTIONAL
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* </pre>
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*/
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public static StoreSettings decodeUri(String uri) {
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String host;
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int port;
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ConnectionSecurity connectionSecurity;
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String username = null;
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String password = null;
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URI pop3Uri;
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try {
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pop3Uri = new URI(uri);
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} catch (URISyntaxException use) {
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throw new IllegalArgumentException("Invalid Pop3Store URI", use);
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}
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String scheme = pop3Uri.getScheme();
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if (scheme.equals("pop3")) {
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connectionSecurity = ConnectionSecurity.NONE;
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port = 110;
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} else if (scheme.equals("pop3+tls")) {
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connectionSecurity = ConnectionSecurity.STARTTLS_OPTIONAL;
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port = 110;
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} else if (scheme.equals("pop3+tls+")) {
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connectionSecurity = ConnectionSecurity.STARTTLS_REQUIRED;
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port = 110;
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} else if (scheme.equals("pop3+ssl+")) {
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connectionSecurity = ConnectionSecurity.SSL_TLS_REQUIRED;
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port = 995;
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} else if (scheme.equals("pop3+ssl")) {
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connectionSecurity = ConnectionSecurity.SSL_TLS_OPTIONAL;
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port = 995;
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} else {
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throw new IllegalArgumentException("Unsupported protocol (" + scheme + ")");
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}
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host = pop3Uri.getHost();
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if (pop3Uri.getPort() != -1) {
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port = pop3Uri.getPort();
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}
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if (pop3Uri.getUserInfo() != null) {
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try {
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String[] userInfoParts = pop3Uri.getUserInfo().split(":");
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username = URLDecoder.decode(userInfoParts[0], "UTF-8");
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if (userInfoParts.length > 1) {
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password = URLDecoder.decode(userInfoParts[1], "UTF-8");
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}
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} catch (UnsupportedEncodingException enc) {
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// This shouldn't happen since the encoding is hardcoded to UTF-8
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throw new IllegalArgumentException("Couldn't urldecode username or password.", enc);
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}
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}
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return new StoreSettings(host, port, connectionSecurity, null, username, password);
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}
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private String mHost;
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private int mPort;
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private String mUsername;
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private String mPassword;
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private int mConnectionSecurity;
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private HashMap<String, Folder> mFolders = new HashMap<String, Folder>();
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private Pop3Capabilities mCapabilities;
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public Pop3Store(Account account) throws MessagingException {
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super(account);
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StoreSettings settings;
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try {
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settings = decodeUri(mAccount.getStoreUri());
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} catch (IllegalArgumentException e) {
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throw new MessagingException("Error while decoding store URI", e);
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}
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mHost = settings.host;
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mPort = settings.port;
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switch (settings.connectionSecurity) {
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case NONE:
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mConnectionSecurity = CONNECTION_SECURITY_NONE;
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break;
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case STARTTLS_OPTIONAL:
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mConnectionSecurity = CONNECTION_SECURITY_TLS_OPTIONAL;
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break;
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case STARTTLS_REQUIRED:
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mConnectionSecurity = CONNECTION_SECURITY_TLS_REQUIRED;
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break;
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case SSL_TLS_OPTIONAL:
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mConnectionSecurity = CONNECTION_SECURITY_SSL_OPTIONAL;
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break;
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case SSL_TLS_REQUIRED:
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mConnectionSecurity = CONNECTION_SECURITY_SSL_REQUIRED;
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break;
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}
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mUsername = settings.username;
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mPassword = settings.password;
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}
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@Override
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public Folder getFolder(String name) {
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Folder folder = mFolders.get(name);
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if (folder == null) {
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folder = new Pop3Folder(name);
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mFolders.put(folder.getName(), folder);
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}
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return folder;
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}
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@Override
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public List <? extends Folder > getPersonalNamespaces(boolean forceListAll) throws MessagingException {
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List<Folder> folders = new LinkedList<Folder>();
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folders.add(getFolder("INBOX"));
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return folders;
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}
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@Override
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public void checkSettings() throws MessagingException {
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Pop3Folder folder = new Pop3Folder("INBOX");
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folder.open(OpenMode.READ_WRITE);
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if (!mCapabilities.uidl) {
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/*
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* Run an additional test to see if UIDL is supported on the server. If it's not we
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* can't service this account.
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*/
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/*
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* If the server doesn't support UIDL it will return a - response, which causes
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* executeSimpleCommand to throw a MessagingException, exiting this method.
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*/
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folder.executeSimpleCommand("UIDL");
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}
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folder.close();
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}
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class Pop3Folder extends Folder {
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private Socket mSocket;
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private InputStream mIn;
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private OutputStream mOut;
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private HashMap<String, Pop3Message> mUidToMsgMap = new HashMap<String, Pop3Message>();
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private HashMap<Integer, Pop3Message> mMsgNumToMsgMap = new HashMap<Integer, Pop3Message>();
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private HashMap<String, Integer> mUidToMsgNumMap = new HashMap<String, Integer>();
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private String mName;
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private int mMessageCount;
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public Pop3Folder(String name) {
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super(Pop3Store.this.mAccount);
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this.mName = name;
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if (mName.equalsIgnoreCase("INBOX")) {
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mName = "INBOX";
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}
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}
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@Override
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public synchronized void open(OpenMode mode) throws MessagingException {
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if (isOpen()) {
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return;
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}
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if (!mName.equalsIgnoreCase("INBOX")) {
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throw new MessagingException("Folder does not exist");
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}
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try {
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SocketAddress socketAddress = new InetSocketAddress(mHost, mPort);
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if (mConnectionSecurity == CONNECTION_SECURITY_SSL_REQUIRED ||
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mConnectionSecurity == CONNECTION_SECURITY_SSL_OPTIONAL) {
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SSLContext sslContext = SSLContext.getInstance("TLS");
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final boolean secure = mConnectionSecurity == CONNECTION_SECURITY_SSL_REQUIRED;
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sslContext.init(null, new TrustManager[] {
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TrustManagerFactory.get(mHost, secure)
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}, new SecureRandom());
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mSocket = sslContext.getSocketFactory().createSocket();
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} else {
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mSocket = new Socket();
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}
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mSocket.connect(socketAddress, SOCKET_CONNECT_TIMEOUT);
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mIn = new BufferedInputStream(mSocket.getInputStream(), 1024);
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mOut = new BufferedOutputStream(mSocket.getOutputStream(), 512);
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mSocket.setSoTimeout(Store.SOCKET_READ_TIMEOUT);
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if (!isOpen()) {
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throw new MessagingException("Unable to connect socket");
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}
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// Eat the banner
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executeSimpleCommand(null);
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if (mConnectionSecurity == CONNECTION_SECURITY_TLS_OPTIONAL
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|| mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED) {
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mCapabilities = getCapabilities();
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if (mCapabilities.stls) {
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writeLine("STLS");
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SSLContext sslContext = SSLContext.getInstance("TLS");
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boolean secure = mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED;
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sslContext.init(null, new TrustManager[] {
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TrustManagerFactory.get(mHost, secure)
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}, new SecureRandom());
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mSocket = sslContext.getSocketFactory().createSocket(mSocket, mHost, mPort,
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true);
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mSocket.setSoTimeout(Store.SOCKET_READ_TIMEOUT);
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mIn = new BufferedInputStream(mSocket.getInputStream(), 1024);
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mOut = new BufferedOutputStream(mSocket.getOutputStream(), 512);
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if (!isOpen()) {
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throw new MessagingException("Unable to connect socket");
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}
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} else if (mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED) {
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throw new MessagingException("TLS not supported but required");
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}
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}
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try {
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executeSimpleCommand("USER " + mUsername);
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executeSimpleCommand("PASS " + mPassword, true);
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} catch (MessagingException me) {
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throw new AuthenticationFailedException(null, me);
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}
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mCapabilities = getCapabilities();
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} catch (SSLException e) {
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throw new CertificateValidationException(e.getMessage(), e);
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} catch (GeneralSecurityException gse) {
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throw new MessagingException(
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"Unable to open connection to POP server due to security error.", gse);
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} catch (IOException ioe) {
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throw new MessagingException("Unable to open connection to POP server.", ioe);
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}
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String response = executeSimpleCommand("STAT");
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String[] parts = response.split(" ");
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mMessageCount = Integer.parseInt(parts[1]);
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mUidToMsgMap.clear();
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mMsgNumToMsgMap.clear();
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mUidToMsgNumMap.clear();
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}
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@Override
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public boolean isOpen() {
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return (mIn != null && mOut != null && mSocket != null
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&& mSocket.isConnected() && !mSocket.isClosed());
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}
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@Override
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public OpenMode getMode() {
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return OpenMode.READ_WRITE;
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}
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@Override
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public void close() {
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try {
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executeSimpleCommand("QUIT");
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} catch (Exception e) {
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/*
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* QUIT may fail if the connection is already closed. We don't care. It's just
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* being friendly.
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*/
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}
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closeIO();
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}
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private void closeIO() {
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try {
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mIn.close();
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} catch (Exception e) {
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/*
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* May fail if the connection is already closed.
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*/
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}
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try {
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mOut.close();
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} catch (Exception e) {
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/*
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* May fail if the connection is already closed.
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*/
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}
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try {
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mSocket.close();
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} catch (Exception e) {
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/*
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* May fail if the connection is already closed.
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*/
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}
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mIn = null;
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mOut = null;
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mSocket = null;
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}
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@Override
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public String getName() {
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return mName;
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}
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@Override
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public boolean create(FolderType type) throws MessagingException {
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return false;
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}
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@Override
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public boolean exists() throws MessagingException {
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return mName.equalsIgnoreCase("INBOX");
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}
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@Override
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public int getMessageCount() {
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return mMessageCount;
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}
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@Override
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public int getUnreadMessageCount() throws MessagingException {
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return -1;
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}
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@Override
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public int getFlaggedMessageCount() throws MessagingException {
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return -1;
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}
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@Override
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public Message getMessage(String uid) throws MessagingException {
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Pop3Message message = mUidToMsgMap.get(uid);
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if (message == null) {
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message = new Pop3Message(uid, this);
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}
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return message;
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}
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@Override
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public Message[] getMessages(int start, int end, Date earliestDate, MessageRetrievalListener listener)
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throws MessagingException {
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if (start < 1 || end < 1 || end < start) {
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throw new MessagingException(String.format("Invalid message set %d %d",
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start, end));
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}
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try {
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indexMsgNums(start, end);
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} catch (IOException ioe) {
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throw new MessagingException("getMessages", ioe);
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}
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ArrayList<Message> messages = new ArrayList<Message>();
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int i = 0;
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for (int msgNum = start; msgNum <= end; msgNum++) {
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Pop3Message message = mMsgNumToMsgMap.get(msgNum);
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if (message == null) {
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/*
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* There could be gaps in the message numbers or malformed
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* responses which lead to "gaps" in mMsgNumToMsgMap.
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*
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* See issue 2252
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*/
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continue;
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}
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if (listener != null) {
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listener.messageStarted(message.getUid(), i++, (end - start) + 1);
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}
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messages.add(message);
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if (listener != null) {
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listener.messageFinished(message, i++, (end - start) + 1);
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}
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}
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return messages.toArray(new Message[messages.size()]);
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}
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/**
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* Ensures that the given message set (from start to end inclusive)
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* has been queried so that uids are available in the local cache.
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* @param start
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* @param end
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* @throws MessagingException
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* @throws IOException
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*/
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private void indexMsgNums(int start, int end)
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throws MessagingException, IOException {
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int unindexedMessageCount = 0;
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for (int msgNum = start; msgNum <= end; msgNum++) {
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if (mMsgNumToMsgMap.get(msgNum) == null) {
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unindexedMessageCount++;
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}
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}
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if (unindexedMessageCount == 0) {
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return;
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}
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if (unindexedMessageCount < 50 && mMessageCount > 5000) {
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/*
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* In extreme cases we'll do a UIDL command per message instead of a bulk
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* download.
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*/
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for (int msgNum = start; msgNum <= end; msgNum++) {
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Pop3Message message = mMsgNumToMsgMap.get(msgNum);
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if (message == null) {
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String response = executeSimpleCommand("UIDL " + msgNum);
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int uidIndex = response.lastIndexOf(' ');
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String msgUid = response.substring(uidIndex + 1);
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message = new Pop3Message(msgUid, this);
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indexMessage(msgNum, message);
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}
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}
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} else {
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String response = executeSimpleCommand("UIDL");
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while ((response = readLine()) != null) {
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if (response.equals(".")) {
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break;
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}
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String[] uidParts = response.split(" ");
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if ((uidParts.length >= 3) && "+OK".equals(uidParts[0])) {
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/*
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* At least one server software places a "+OK" in
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* front of every line in the unique-id listing.
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*
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* Fix up the array if we detected this behavior.
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* See Issue 1237
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*/
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uidParts[0] = uidParts[1];
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uidParts[1] = uidParts[2];
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}
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if (uidParts.length >= 2) {
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Integer msgNum = Integer.valueOf(uidParts[0]);
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String msgUid = uidParts[1];
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if (msgNum >= start && msgNum <= end) {
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Pop3Message message = mMsgNumToMsgMap.get(msgNum);
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if (message == null) {
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message = new Pop3Message(msgUid, this);
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indexMessage(msgNum, message);
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}
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}
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}
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}
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}
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}
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private void indexUids(ArrayList<String> uids)
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throws MessagingException, IOException {
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HashSet<String> unindexedUids = new HashSet<String>();
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for (String uid : uids) {
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if (mUidToMsgMap.get(uid) == null) {
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if (K9.DEBUG && K9.DEBUG_PROTOCOL_POP3) {
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Log.d(K9.LOG_TAG, "Need to index UID " + uid);
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}
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unindexedUids.add(uid);
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}
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}
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if (unindexedUids.size() == 0) {
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return;
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}
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/*
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* If we are missing uids in the cache the only sure way to
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* get them is to do a full UIDL list. A possible optimization
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* would be trying UIDL for the latest X messages and praying.
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*/
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String response = executeSimpleCommand("UIDL");
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while ((response = readLine()) != null) {
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if (response.equals(".")) {
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break;
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}
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String[] uidParts = response.split(" ");
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// Ignore messages without a unique-id
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if (uidParts.length >= 2) {
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Integer msgNum = Integer.valueOf(uidParts[0]);
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String msgUid = uidParts[1];
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if (unindexedUids.contains(msgUid)) {
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if (K9.DEBUG && K9.DEBUG_PROTOCOL_POP3) {
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Log.d(K9.LOG_TAG, "Got msgNum " + msgNum + " for UID " + msgUid);
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}
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Pop3Message message = mUidToMsgMap.get(msgUid);
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if (message == null) {
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message = new Pop3Message(msgUid, this);
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}
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indexMessage(msgNum, message);
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}
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}
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}
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}
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private void indexMessage(int msgNum, Pop3Message message) {
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if (K9.DEBUG && K9.DEBUG_PROTOCOL_POP3) {
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Log.d(K9.LOG_TAG, "Adding index for UID " + message.getUid() + " to msgNum " + msgNum);
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}
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mMsgNumToMsgMap.put(msgNum, message);
|
|
mUidToMsgMap.put(message.getUid(), message);
|
|
mUidToMsgNumMap.put(message.getUid(), msgNum);
|
|
}
|
|
|
|
@Override
|
|
public Message[] getMessages(MessageRetrievalListener listener) throws MessagingException {
|
|
throw new UnsupportedOperationException("Pop3: No getMessages");
|
|
}
|
|
|
|
@Override
|
|
public Message[] getMessages(String[] uids, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
throw new UnsupportedOperationException("Pop3: No getMessages by uids");
|
|
}
|
|
|
|
/**
|
|
* Fetch the items contained in the FetchProfile into the given set of
|
|
* Messages in as efficient a manner as possible.
|
|
* @param messages
|
|
* @param fp
|
|
* @throws MessagingException
|
|
*/
|
|
@Override
|
|
public void fetch(Message[] messages, FetchProfile fp, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
if (messages == null || messages.length == 0) {
|
|
return;
|
|
}
|
|
ArrayList<String> uids = new ArrayList<String>();
|
|
for (Message message : messages) {
|
|
uids.add(message.getUid());
|
|
}
|
|
try {
|
|
indexUids(uids);
|
|
} catch (IOException ioe) {
|
|
throw new MessagingException("fetch", ioe);
|
|
}
|
|
try {
|
|
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
/*
|
|
* We pass the listener only if there are other things to do in the
|
|
* FetchProfile. Since fetchEnvelop works in bulk and eveything else
|
|
* works one at a time if we let fetchEnvelope send events the
|
|
* event would get sent twice.
|
|
*/
|
|
fetchEnvelope(messages, fp.size() == 1 ? listener : null);
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw new MessagingException("fetch", ioe);
|
|
}
|
|
for (int i = 0, count = messages.length; i < count; i++) {
|
|
Message message = messages[i];
|
|
if (!(message instanceof Pop3Message)) {
|
|
throw new MessagingException("Pop3Store.fetch called with non-Pop3 Message");
|
|
}
|
|
Pop3Message pop3Message = (Pop3Message)message;
|
|
try {
|
|
if (listener != null && !fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
listener.messageStarted(pop3Message.getUid(), i, count);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY)) {
|
|
fetchBody(pop3Message, -1);
|
|
} else if (fp.contains(FetchProfile.Item.BODY_SANE)) {
|
|
/*
|
|
* To convert the suggested download size we take the size
|
|
* divided by the maximum line size (76).
|
|
*/
|
|
fetchBody(pop3Message,
|
|
(mAccount.getMaximumAutoDownloadMessageSize() / 76));
|
|
} else if (fp.contains(FetchProfile.Item.STRUCTURE)) {
|
|
/*
|
|
* If the user is requesting STRUCTURE we are required to set the body
|
|
* to null since we do not support the function.
|
|
*/
|
|
pop3Message.setBody(null);
|
|
}
|
|
if (listener != null && !(fp.contains(FetchProfile.Item.ENVELOPE) && fp.size() == 1)) {
|
|
listener.messageFinished(message, i, count);
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw new MessagingException("Unable to fetch message", ioe);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void fetchEnvelope(Message[] messages,
|
|
MessageRetrievalListener listener) throws IOException, MessagingException {
|
|
int unsizedMessages = 0;
|
|
for (Message message : messages) {
|
|
if (message.getSize() == -1) {
|
|
unsizedMessages++;
|
|
}
|
|
}
|
|
if (unsizedMessages == 0) {
|
|
return;
|
|
}
|
|
if (unsizedMessages < 50 && mMessageCount > 5000) {
|
|
/*
|
|
* In extreme cases we'll do a command per message instead of a bulk request
|
|
* to hopefully save some time and bandwidth.
|
|
*/
|
|
for (int i = 0, count = messages.length; i < count; i++) {
|
|
Message message = messages[i];
|
|
if (!(message instanceof Pop3Message)) {
|
|
throw new MessagingException("Pop3Store.fetch called with non-Pop3 Message");
|
|
}
|
|
Pop3Message pop3Message = (Pop3Message)message;
|
|
if (listener != null) {
|
|
listener.messageStarted(pop3Message.getUid(), i, count);
|
|
}
|
|
String response = executeSimpleCommand(String.format("LIST %d",
|
|
mUidToMsgNumMap.get(pop3Message.getUid())));
|
|
String[] listParts = response.split(" ");
|
|
//int msgNum = Integer.parseInt(listParts[1]);
|
|
int msgSize = Integer.parseInt(listParts[2]);
|
|
pop3Message.setSize(msgSize);
|
|
if (listener != null) {
|
|
listener.messageFinished(pop3Message, i, count);
|
|
}
|
|
}
|
|
} else {
|
|
HashSet<String> msgUidIndex = new HashSet<String>();
|
|
for (Message message : messages) {
|
|
msgUidIndex.add(message.getUid());
|
|
}
|
|
int i = 0, count = messages.length;
|
|
String response = executeSimpleCommand("LIST");
|
|
while ((response = readLine()) != null) {
|
|
if (response.equals(".")) {
|
|
break;
|
|
}
|
|
String[] listParts = response.split(" ");
|
|
int msgNum = Integer.parseInt(listParts[0]);
|
|
int msgSize = Integer.parseInt(listParts[1]);
|
|
Pop3Message pop3Message = mMsgNumToMsgMap.get(msgNum);
|
|
if (pop3Message != null && msgUidIndex.contains(pop3Message.getUid())) {
|
|
if (listener != null) {
|
|
listener.messageStarted(pop3Message.getUid(), i, count);
|
|
}
|
|
pop3Message.setSize(msgSize);
|
|
if (listener != null) {
|
|
listener.messageFinished(pop3Message, i, count);
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches the body of the given message, limiting the stored data
|
|
* to the specified number of lines. If lines is -1 the entire message
|
|
* is fetched. This is implemented with RETR for lines = -1 or TOP
|
|
* for any other value. If the server does not support TOP it is
|
|
* emulated with RETR and extra lines are thrown away.
|
|
* @param message
|
|
* @param lines
|
|
*/
|
|
private void fetchBody(Pop3Message message, int lines)
|
|
throws IOException, MessagingException {
|
|
String response = null;
|
|
if (lines == -1 || !mCapabilities.top) {
|
|
response = executeSimpleCommand(String.format("RETR %d",
|
|
mUidToMsgNumMap.get(message.getUid())));
|
|
} else {
|
|
response = executeSimpleCommand(String.format("TOP %d %d",
|
|
mUidToMsgNumMap.get(message.getUid()),
|
|
lines));
|
|
}
|
|
if (response != null) {
|
|
try {
|
|
message.parse(new Pop3ResponseInputStream(mIn));
|
|
if (lines == -1 || !mCapabilities.top) {
|
|
message.setFlag(Flag.X_DOWNLOADED_FULL, true);
|
|
}
|
|
} catch (MessagingException me) {
|
|
/*
|
|
* If we're only downloading headers it's possible
|
|
* we'll get a broken MIME message which we're not
|
|
* real worried about. If we've downloaded the body
|
|
* and can't parse it we need to let the user know.
|
|
*/
|
|
if (lines == -1) {
|
|
throw me;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Flag[] getPermanentFlags() {
|
|
return PERMANENT_FLAGS;
|
|
}
|
|
|
|
@Override
|
|
public void appendMessages(Message[] messages) throws MessagingException {
|
|
}
|
|
|
|
@Override
|
|
public void delete(boolean recurse) throws MessagingException {
|
|
}
|
|
|
|
@Override
|
|
public void delete(Message[] msgs, String trashFolderName) throws MessagingException {
|
|
setFlags(msgs, new Flag[] { Flag.DELETED }, true);
|
|
}
|
|
|
|
@Override
|
|
public String getUidFromMessageId(Message message) throws MessagingException {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void setFlags(Flag[] flags, boolean value)
|
|
throws MessagingException {
|
|
Message[] messages = getMessages(null);
|
|
setFlags(messages, flags, value);
|
|
}
|
|
|
|
@Override
|
|
public void setFlags(Message[] messages, Flag[] flags, boolean value)
|
|
throws MessagingException {
|
|
if (!value || !Utility.arrayContains(flags, Flag.DELETED)) {
|
|
/*
|
|
* The only flagging we support is setting the Deleted flag.
|
|
*/
|
|
return;
|
|
}
|
|
ArrayList<String> uids = new ArrayList<String>();
|
|
try {
|
|
for (Message message : messages) {
|
|
uids.add(message.getUid());
|
|
}
|
|
|
|
indexUids(uids);
|
|
} catch (IOException ioe) {
|
|
throw new MessagingException("Could not get message number for uid " + uids, ioe);
|
|
}
|
|
for (Message message : messages) {
|
|
|
|
Integer msgNum = mUidToMsgNumMap.get(message.getUid());
|
|
if (msgNum == null) {
|
|
MessagingException me = new MessagingException("Could not delete message " + message.getUid()
|
|
+ " because no msgNum found; permanent error");
|
|
me.setPermanentFailure(true);
|
|
throw me;
|
|
}
|
|
executeSimpleCommand(String.format("DELE %s", msgNum));
|
|
}
|
|
}
|
|
|
|
private String readLine() throws IOException {
|
|
StringBuffer sb = new StringBuffer();
|
|
int d = mIn.read();
|
|
if (d == -1) {
|
|
throw new IOException("End of stream reached while trying to read line.");
|
|
}
|
|
do {
|
|
if (((char)d) == '\r') {
|
|
continue;
|
|
} else if (((char)d) == '\n') {
|
|
break;
|
|
} else {
|
|
sb.append((char)d);
|
|
}
|
|
} while ((d = mIn.read()) != -1);
|
|
String ret = sb.toString();
|
|
if (K9.DEBUG && K9.DEBUG_PROTOCOL_POP3) {
|
|
Log.d(K9.LOG_TAG, "<<< " + ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private void writeLine(String s) throws IOException {
|
|
mOut.write(s.getBytes());
|
|
mOut.write('\r');
|
|
mOut.write('\n');
|
|
mOut.flush();
|
|
}
|
|
|
|
private Pop3Capabilities getCapabilities() throws IOException {
|
|
Pop3Capabilities capabilities = new Pop3Capabilities();
|
|
try {
|
|
String response = executeSimpleCommand("CAPA");
|
|
while ((response = readLine()) != null) {
|
|
if (response.equals(".")) {
|
|
break;
|
|
}
|
|
if (response.equalsIgnoreCase("STLS")) {
|
|
capabilities.stls = true;
|
|
} else if (response.equalsIgnoreCase("UIDL")) {
|
|
capabilities.uidl = true;
|
|
} else if (response.equalsIgnoreCase("PIPELINING")) {
|
|
capabilities.pipelining = true;
|
|
} else if (response.equalsIgnoreCase("USER")) {
|
|
capabilities.user = true;
|
|
} else if (response.equalsIgnoreCase("TOP")) {
|
|
capabilities.top = true;
|
|
}
|
|
}
|
|
} catch (MessagingException me) {
|
|
/*
|
|
* The server may not support the CAPA command, so we just eat this Exception
|
|
* and allow the empty capabilities object to be returned.
|
|
*/
|
|
}
|
|
return capabilities;
|
|
}
|
|
|
|
private String executeSimpleCommand(String command) throws MessagingException {
|
|
return executeSimpleCommand(command, false);
|
|
}
|
|
|
|
private String executeSimpleCommand(String command, boolean sensitive) throws MessagingException {
|
|
try {
|
|
open(OpenMode.READ_WRITE);
|
|
|
|
if (command != null) {
|
|
if (K9.DEBUG && K9.DEBUG_PROTOCOL_POP3) {
|
|
if (sensitive && !K9.DEBUG_SENSITIVE) {
|
|
Log.d(K9.LOG_TAG, ">>> "
|
|
+ "[Command Hidden, Enable Sensitive Debug Logging To Show]");
|
|
} else {
|
|
Log.d(K9.LOG_TAG, ">>> " + command);
|
|
}
|
|
}
|
|
|
|
writeLine(command);
|
|
}
|
|
|
|
String response = readLine();
|
|
if (response.length() > 1 && response.charAt(0) == '-') {
|
|
throw new MessagingException(response);
|
|
}
|
|
|
|
return response;
|
|
} catch (MessagingException me) {
|
|
throw me;
|
|
} catch (Exception e) {
|
|
closeIO();
|
|
throw new MessagingException("Unable to execute POP3 command", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean supportsFetchingFlags() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (o instanceof Pop3Folder) {
|
|
return ((Pop3Folder) o).mName.equals(mName);
|
|
}
|
|
return super.equals(o);
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return mName.hashCode();
|
|
}
|
|
|
|
}//Pop3Folder
|
|
|
|
static class Pop3Message extends MimeMessage {
|
|
public Pop3Message(String uid, Pop3Folder folder) {
|
|
mUid = uid;
|
|
mFolder = folder;
|
|
mSize = -1;
|
|
}
|
|
|
|
public void setSize(int size) {
|
|
mSize = size;
|
|
}
|
|
|
|
@Override
|
|
protected void parse(InputStream in) throws IOException, MessagingException {
|
|
super.parse(in);
|
|
}
|
|
|
|
@Override
|
|
public void setFlag(Flag flag, boolean set) throws MessagingException {
|
|
super.setFlag(flag, set);
|
|
mFolder.setFlags(new Message[] { this }, new Flag[] { flag }, set);
|
|
}
|
|
|
|
@Override
|
|
public void delete(String trashFolderName) throws MessagingException {
|
|
// try
|
|
// {
|
|
// Poor POP3 users, we can't copy the message to the Trash folder, but they still want a delete
|
|
setFlag(Flag.DELETED, true);
|
|
// }
|
|
// catch (MessagingException me)
|
|
// {
|
|
// Log.w(K9.LOG_TAG, "Could not delete non-existant message", me);
|
|
// }
|
|
}
|
|
}
|
|
|
|
static class Pop3Capabilities {
|
|
public boolean stls;
|
|
public boolean top;
|
|
public boolean user;
|
|
public boolean uidl;
|
|
public boolean pipelining;
|
|
|
|
@Override
|
|
public String toString() {
|
|
return String.format("STLS %b, TOP %b, USER %b, UIDL %b, PIPELINING %b",
|
|
stls,
|
|
top,
|
|
user,
|
|
uidl,
|
|
pipelining);
|
|
}
|
|
}
|
|
|
|
static class Pop3ResponseInputStream extends InputStream {
|
|
InputStream mIn;
|
|
boolean mStartOfLine = true;
|
|
boolean mFinished;
|
|
|
|
public Pop3ResponseInputStream(InputStream in) {
|
|
mIn = in;
|
|
}
|
|
|
|
@Override
|
|
public int read() throws IOException {
|
|
if (mFinished) {
|
|
return -1;
|
|
}
|
|
int d = mIn.read();
|
|
if (mStartOfLine && d == '.') {
|
|
d = mIn.read();
|
|
if (d == '\r') {
|
|
mFinished = true;
|
|
mIn.read();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
mStartOfLine = (d == '\n');
|
|
|
|
return d;
|
|
}
|
|
}
|
|
}
|