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-rw-r--r--src/main/java/de/thedevstack/conversationsplus/entities/Message.java763
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diff --git a/src/main/java/de/thedevstack/conversationsplus/entities/Message.java b/src/main/java/de/thedevstack/conversationsplus/entities/Message.java
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+++ b/src/main/java/de/thedevstack/conversationsplus/entities/Message.java
@@ -0,0 +1,763 @@
+package de.thedevstack.conversationsplus.entities;
+
+import android.content.ContentValues;
+import android.database.Cursor;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import de.thedevstack.conversationsplus.crypto.axolotl.XmppAxolotlSession;
+import de.thedevstack.conversationsplus.utils.FileUtils;
+import de.thedevstack.conversationsplus.utils.MimeUtils;
+import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException;
+import de.thedevstack.conversationsplus.xmpp.jid.Jid;
+
+public class Message extends AbstractEntity {
+
+ public static final String TABLENAME = "messages";
+
+ public static final String MERGE_SEPARATOR = " \u200B\n\n";
+
+ public static final int STATUS_RECEIVED = 0;
+ public static final int STATUS_UNSEND = 1;
+ public static final int STATUS_SEND = 2;
+ public static final int STATUS_SEND_FAILED = 3;
+ public static final int STATUS_WAITING = 5;
+ public static final int STATUS_OFFERED = 6;
+ public static final int STATUS_SEND_RECEIVED = 7;
+ public static final int STATUS_SEND_DISPLAYED = 8;
+
+ public static final int ENCRYPTION_NONE = 0;
+ public static final int ENCRYPTION_PGP = 1;
+ public static final int ENCRYPTION_OTR = 2;
+ public static final int ENCRYPTION_DECRYPTED = 3;
+ public static final int ENCRYPTION_DECRYPTION_FAILED = 4;
+ public static final int ENCRYPTION_AXOLOTL = 5;
+
+ public static final int TYPE_TEXT = 0;
+ public static final int TYPE_IMAGE = 1;
+ public static final int TYPE_FILE = 2;
+ public static final int TYPE_STATUS = 3;
+ public static final int TYPE_PRIVATE = 4;
+
+ public static final String CONVERSATION = "conversationUuid";
+ public static final String COUNTERPART = "counterpart";
+ public static final String TRUE_COUNTERPART = "trueCounterpart";
+ public static final String BODY = "body";
+ public static final String TIME_SENT = "timeSent";
+ public static final String ENCRYPTION = "encryption";
+ public static final String STATUS = "status";
+ public static final String TYPE = "type";
+ public static final String CARBON = "carbon";
+ public static final String OOB = "oob";
+ public static final String EDITED = "edited";
+ public static final String REMOTE_MSG_ID = "remoteMsgId";
+ public static final String SERVER_MSG_ID = "serverMsgId";
+ public static final String RELATIVE_FILE_PATH = "relativeFilePath";
+ public static final String FINGERPRINT = "axolotl_fingerprint";
+ public static final String READ = "read";
+ public static final String ME_COMMAND = "/me ";
+
+
+ public boolean markable = false;
+ protected String conversationUuid;
+ protected Jid counterpart;
+ protected Jid trueCounterpart;
+ protected String body;
+ protected String encryptedBody;
+ protected long timeSent;
+ protected int encryption;
+ protected int status;
+ protected int type;
+ protected boolean carbon = false;
+ protected boolean oob = false;
+ protected String edited = null;
+ protected String relativeFilePath;
+ protected boolean read = true;
+ protected String remoteMsgId = null;
+ protected String serverMsgId = null;
+ protected Conversation conversation = null;
+ protected Transferable transferable = null;
+ private Message mNextMessage = null;
+ private Message mPreviousMessage = null;
+ private String axolotlFingerprint = null;
+ private Decision mTreatAsDownloadAble = Decision.NOT_DECIDED;
+
+ private Message() {
+
+ }
+
+ public Message(Conversation conversation, String body, int encryption) {
+ this(conversation, body, encryption, STATUS_UNSEND);
+ }
+
+ public Message(Conversation conversation, String body, int encryption, int status) {
+ this(java.util.UUID.randomUUID().toString(),
+ conversation.getUuid(),
+ conversation.getJid() == null ? null : conversation.getJid().toBareJid(),
+ null,
+ body,
+ System.currentTimeMillis(),
+ encryption,
+ status,
+ TYPE_TEXT,
+ false,
+ null,
+ null,
+ null,
+ null,
+ true,
+ null,
+ false);
+ this.conversation = conversation;
+ }
+
+ private Message(final String uuid, final String conversationUUid, final Jid counterpart,
+ final Jid trueCounterpart, final String body, final long timeSent,
+ final int encryption, final int status, final int type, final boolean carbon,
+ final String remoteMsgId, final String relativeFilePath,
+ final String serverMsgId, final String fingerprint, final boolean read,
+ final String edited, final boolean oob) {
+ this.uuid = uuid;
+ this.conversationUuid = conversationUUid;
+ this.counterpart = counterpart;
+ this.trueCounterpart = trueCounterpart;
+ this.body = body;
+ this.timeSent = timeSent;
+ this.encryption = encryption;
+ this.status = status;
+ this.type = type;
+ this.carbon = carbon;
+ this.remoteMsgId = remoteMsgId;
+ this.relativeFilePath = relativeFilePath;
+ this.serverMsgId = serverMsgId;
+ this.axolotlFingerprint = fingerprint;
+ this.read = read;
+ this.edited = edited;
+ this.oob = oob;
+ }
+
+ public static Message fromCursor(Cursor cursor) {
+ Jid jid;
+ try {
+ String value = cursor.getString(cursor.getColumnIndex(COUNTERPART));
+ if (value != null) {
+ jid = Jid.fromString(value, true);
+ } else {
+ jid = null;
+ }
+ } catch (InvalidJidException e) {
+ jid = null;
+ }
+ Jid trueCounterpart;
+ try {
+ String value = cursor.getString(cursor.getColumnIndex(TRUE_COUNTERPART));
+ if (value != null) {
+ trueCounterpart = Jid.fromString(value, true);
+ } else {
+ trueCounterpart = null;
+ }
+ } catch (InvalidJidException e) {
+ trueCounterpart = null;
+ }
+ return new Message(cursor.getString(cursor.getColumnIndex(UUID)),
+ cursor.getString(cursor.getColumnIndex(CONVERSATION)),
+ jid,
+ trueCounterpart,
+ cursor.getString(cursor.getColumnIndex(BODY)),
+ cursor.getLong(cursor.getColumnIndex(TIME_SENT)),
+ cursor.getInt(cursor.getColumnIndex(ENCRYPTION)),
+ cursor.getInt(cursor.getColumnIndex(STATUS)),
+ cursor.getInt(cursor.getColumnIndex(TYPE)),
+ cursor.getInt(cursor.getColumnIndex(CARBON)) > 0,
+ cursor.getString(cursor.getColumnIndex(REMOTE_MSG_ID)),
+ cursor.getString(cursor.getColumnIndex(RELATIVE_FILE_PATH)),
+ cursor.getString(cursor.getColumnIndex(SERVER_MSG_ID)),
+ cursor.getString(cursor.getColumnIndex(FINGERPRINT)),
+ cursor.getInt(cursor.getColumnIndex(READ)) > 0,
+ cursor.getString(cursor.getColumnIndex(EDITED)),
+ cursor.getInt(cursor.getColumnIndex(OOB)) > 0);
+ }
+
+ public static Message createStatusMessage(Conversation conversation, String body) {
+ final Message message = new Message();
+ message.setType(Message.TYPE_STATUS);
+ message.setConversation(conversation);
+ message.setBody(body);
+ return message;
+ }
+
+ @Override
+ public ContentValues getContentValues() {
+ ContentValues values = new ContentValues();
+ values.put(UUID, uuid);
+ values.put(CONVERSATION, conversationUuid);
+ if (counterpart == null) {
+ values.putNull(COUNTERPART);
+ } else {
+ values.put(COUNTERPART, counterpart.toString());
+ }
+ if (trueCounterpart == null) {
+ values.putNull(TRUE_COUNTERPART);
+ } else {
+ values.put(TRUE_COUNTERPART, trueCounterpart.toString());
+ }
+ values.put(BODY, body);
+ values.put(TIME_SENT, timeSent);
+ values.put(ENCRYPTION, encryption);
+ values.put(STATUS, status);
+ values.put(TYPE, type);
+ values.put(CARBON, carbon ? 1 : 0);
+ values.put(REMOTE_MSG_ID, remoteMsgId);
+ values.put(RELATIVE_FILE_PATH, relativeFilePath);
+ values.put(SERVER_MSG_ID, serverMsgId);
+ values.put(FINGERPRINT, axolotlFingerprint);
+ values.put(READ,read ? 1 : 0);
+ values.put(EDITED, edited);
+ values.put(OOB, oob ? 1 : 0);
+ return values;
+ }
+
+ public String getConversationUuid() {
+ return conversationUuid;
+ }
+
+ public Conversation getConversation() {
+ return this.conversation;
+ }
+
+ public void setConversation(Conversation conv) {
+ this.conversation = conv;
+ }
+
+ public Jid getCounterpart() {
+ return counterpart;
+ }
+
+ public void setCounterpart(final Jid counterpart) {
+ this.counterpart = counterpart;
+ }
+
+ public Contact getContact() {
+ if (this.conversation.getMode() == Conversation.MODE_SINGLE) {
+ return this.conversation.getContact();
+ } else {
+ if (this.trueCounterpart == null) {
+ return null;
+ } else {
+ return this.conversation.getAccount().getRoster()
+ .getContactFromRoster(this.trueCounterpart);
+ }
+ }
+ }
+
+ public String getBody() {
+ return body;
+ }
+
+ public void setBody(String body) {
+ this.body = body;
+ }
+
+ public long getTimeSent() {
+ return timeSent;
+ }
+
+ public int getEncryption() {
+ return encryption;
+ }
+
+ public void setEncryption(int encryption) {
+ this.encryption = encryption;
+ }
+
+ public int getStatus() {
+ return status;
+ }
+
+ public void setStatus(int status) {
+ this.status = status;
+ }
+
+ public String getRelativeFilePath() {
+ return this.relativeFilePath;
+ }
+
+ public void setRelativeFilePath(String path) {
+ this.relativeFilePath = path;
+ }
+
+ public String getRemoteMsgId() {
+ return this.remoteMsgId;
+ }
+
+ public void setRemoteMsgId(String id) {
+ this.remoteMsgId = id;
+ }
+
+ public String getServerMsgId() {
+ return this.serverMsgId;
+ }
+
+ public void setServerMsgId(String id) {
+ this.serverMsgId = id;
+ }
+
+ public boolean isRead() {
+ return this.read;
+ }
+
+ public void markRead() {
+ this.read = true;
+ }
+
+ public void markUnread() {
+ this.read = false;
+ }
+
+ public void setTime(long time) {
+ this.timeSent = time;
+ }
+
+ public String getEncryptedBody() {
+ return this.encryptedBody;
+ }
+
+ public void setEncryptedBody(String body) {
+ this.encryptedBody = body;
+ }
+
+ public int getType() {
+ return this.type;
+ }
+
+ public void setType(int type) {
+ this.type = type;
+ }
+
+ public boolean isCarbon() {
+ return carbon;
+ }
+
+ public void setCarbon(boolean carbon) {
+ this.carbon = carbon;
+ }
+
+ public boolean edited() {
+ return this.edited != null;
+ }
+
+ public void setTrueCounterpart(Jid trueCounterpart) {
+ this.trueCounterpart = trueCounterpart;
+ }
+
+ public Transferable getTransferable() {
+ return this.transferable;
+ }
+
+ public void setTransferable(Transferable transferable) {
+ this.transferable = transferable;
+ }
+
+ public boolean equals(Message message) {
+ if (this.getServerMsgId() != null && message.getServerMsgId() != null) {
+ return this.getServerMsgId().equals(message.getServerMsgId());
+ } else if (this.getBody() == null || this.getCounterpart() == null
+ || message.getBody() == null || message.getCounterpart() == null) {
+ return false;
+ } else {
+ String body, otherBody;
+ if (this.hasFileOnRemoteHost()) {
+ body = this.getFileParams().url.toString();
+ } else {
+ body = this.getBody();
+ }
+ if (message.hasFileOnRemoteHost()) {
+ otherBody = message.getFileParams().url.toString();
+ } else {
+ otherBody = message.getBody();
+ }
+
+ if (message.getRemoteMsgId() != null && this.getRemoteMsgId() != null) {
+ return (message.getRemoteMsgId().equals(this.getRemoteMsgId())
+ || message.getRemoteMsgId().equals(this.getUuid())
+ || message.getUuid().equals(this.getRemoteMsgId()))
+ && this.getCounterpart().equals(message.getCounterpart())
+ && (body.equals(otherBody)
+ ||(message.getEncryption() == Message.ENCRYPTION_PGP
+ && message.getRemoteMsgId().matches("[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}"))) ;
+ } else {
+ // existing (send) message with no remoteMsgId and MAM message with remoteMsgId
+ return ((this.getRemoteMsgId() == null && message.getRemoteMsgId() != null)
+ || (this.getRemoteMsgId() != null && message.getRemoteMsgId() == null)
+ // both null is also acceptable
+ || (this.getRemoteMsgId() == null && message.getRemoteMsgId() == null))
+ && this.getCounterpart().equals(message.getCounterpart())
+ && body.equals(otherBody);
+ }
+ }
+ }
+
+ public Message next() {
+ synchronized (this.conversation.messages) {
+ if (this.mNextMessage == null) {
+ int index = this.conversation.messages.indexOf(this);
+ if (index < 0 || index >= this.conversation.messages.size() - 1) {
+ this.mNextMessage = null;
+ } else {
+ this.mNextMessage = this.conversation.messages.get(index + 1);
+ }
+ }
+ return this.mNextMessage;
+ }
+ }
+
+ public Message prev() {
+ synchronized (this.conversation.messages) {
+ if (this.mPreviousMessage == null) {
+ int index = this.conversation.messages.indexOf(this);
+ if (index <= 0 || index > this.conversation.messages.size()) {
+ this.mPreviousMessage = null;
+ } else {
+ this.mPreviousMessage = this.conversation.messages.get(index - 1);
+ }
+ }
+ return this.mPreviousMessage;
+ }
+ }
+
+ public boolean hasMeCommand() {
+ return getBody().startsWith(ME_COMMAND);
+ }
+
+ public String getBodyReplacedMeCommand(String replaceString) {
+ try {
+ return getBody().replaceAll("^" + Message.ME_COMMAND, replaceString + " ");
+ } catch (ArrayIndexOutOfBoundsException e) {
+ return getBody();
+ }
+ }
+
+ public boolean trusted() {
+ Contact contact = this.getContact();
+ return (status > STATUS_RECEIVED || (contact != null && contact.trusted()));
+ }
+
+ public boolean fixCounterpart() {
+ Presences presences = conversation.getContact().getPresences();
+ if (counterpart != null && presences.has(counterpart.getResourcepart())) {
+ return true;
+ } else if (presences.size() >= 1) {
+ try {
+ counterpart = Jid.fromParts(conversation.getJid().getLocalpart(),
+ conversation.getJid().getDomainpart(),
+ presences.asStringArray()[0]);
+ return true;
+ } catch (InvalidJidException e) {
+ counterpart = null;
+ return false;
+ }
+ } else {
+ counterpart = null;
+ return false;
+ }
+ }
+
+ public void setUuid(String uuid) {
+ this.uuid = uuid;
+ }
+
+ public String getEditedId() {
+ return edited;
+ }
+
+ public void setOob(boolean isOob) {
+ this.oob = isOob;
+ }
+
+ public enum Decision {
+ MUST,
+ SHOULD,
+ NEVER,
+ NOT_DECIDED,
+ }
+
+ private String extractRelevantExtension(URL url) {
+ if (url == null) {
+ return null;
+ }
+ String path = url.getPath();
+ return extractRelevantExtension(path);
+ }
+
+ private String extractRelevantExtension(String path) {
+ if (path == null || path.isEmpty()) {
+ return null;
+ }
+
+ String filename = path.substring(path.lastIndexOf('/') + 1).toLowerCase();
+
+ final String lastPart = FileUtils.getLastExtension(filename);
+
+ if (!lastPart.isEmpty()) {
+ // we want the real file extension, not the crypto one
+ final String secondToLastPart = FileUtils.getSecondToLastExtension(filename);
+ if (!secondToLastPart.isEmpty() && Transferable.VALID_CRYPTO_EXTENSIONS.contains(lastPart)) {
+ return secondToLastPart;
+ } else {
+ return lastPart;
+ }
+ }
+ return null;
+ }
+
+ public String getMimeType() {
+ if (relativeFilePath != null) {
+ int start = relativeFilePath.lastIndexOf('.') + 1;
+ if (start < relativeFilePath.length()) {
+ return MimeUtils.guessMimeTypeFromExtension(relativeFilePath.substring(start));
+ } else {
+ return null;
+ }
+ } else {
+ try {
+ return MimeUtils.guessMimeTypeFromExtension(extractRelevantExtension(new URL(this.getBody())));
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ }
+ }
+
+ /**
+ * in case of later found error with decision, set it to a value which does not affect anything, hopefully
+ */
+ public void setNoDownloadable() {
+ mTreatAsDownloadAble = Decision.NEVER;
+ }
+
+ public Decision treatAsDownloadable() {
+ // only test this ones, body will not change
+ if (mTreatAsDownloadAble != Decision.NOT_DECIDED) {
+ return mTreatAsDownloadAble;
+ }
+ /**
+ * there are a few cases where spaces result in an unwanted behavior, e.g.
+ * "http://example.com/image.jpg" text that will not be shown /abc.png"
+ * or more than one image link in one message.
+ */
+ if (getBody().contains(" ")) {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ }
+ try {
+ URL url = new URL(body);
+ if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ } else if (oob) {
+ mTreatAsDownloadAble = Decision.MUST;
+ return mTreatAsDownloadAble;
+ }
+ String extension = extractRelevantExtension(url);
+ if (extension == null) {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ }
+ String ref = url.getRef();
+ boolean encrypted = ref != null && ref.matches("([A-Fa-f0-9]{2}){48}");
+
+ if (encrypted) {
+ if (MimeUtils.guessMimeTypeFromExtension(extension) != null) {
+ mTreatAsDownloadAble = Decision.MUST;
+ return mTreatAsDownloadAble;
+ } else {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ }
+ } else if (Transferable.VALID_IMAGE_EXTENSIONS.contains(extension)
+ || Transferable.WELL_KNOWN_EXTENSIONS.contains(extension)) {
+ mTreatAsDownloadAble = Decision.SHOULD;
+ return mTreatAsDownloadAble;
+ } else {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ }
+
+ } catch (MalformedURLException e) {
+ mTreatAsDownloadAble = Decision.NEVER;
+ return mTreatAsDownloadAble;
+ }
+ }
+
+ public FileParams getFileParams() {
+ FileParams params = getLegacyFileParams();
+ if (params != null) {
+ return params;
+ }
+ params = new FileParams();
+ if (this.transferable != null) {
+ params.size = this.transferable.getFileSize();
+ }
+ if (this.getBody() == null) {
+ return params;
+ }
+ String parts[] = this.getBody().split("\\|");
+ switch (parts.length) {
+ case 1:
+ try {
+ params.size = Long.parseLong(parts[0]);
+ } catch (NumberFormatException e) {
+ try {
+ params.url = new URL(parts[0]);
+ } catch (MalformedURLException e1) {
+ params.url = null;
+ }
+ }
+ break;
+ case 2:
+ case 4:
+ try {
+ params.url = new URL(parts[0]);
+ } catch (MalformedURLException e1) {
+ params.url = null;
+ }
+ try {
+ params.size = Long.parseLong(parts[1]);
+ } catch (NumberFormatException e) {
+ params.size = 0;
+ }
+ try {
+ params.width = Integer.parseInt(parts[2]);
+ } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+ params.width = 0;
+ }
+ try {
+ params.height = Integer.parseInt(parts[3]);
+ } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+ params.height = 0;
+ }
+ break;
+ case 3:
+ try {
+ params.size = Long.parseLong(parts[0]);
+ } catch (NumberFormatException e) {
+ params.size = 0;
+ }
+ try {
+ params.width = Integer.parseInt(parts[1]);
+ } catch (NumberFormatException e) {
+ params.width = 0;
+ }
+ try {
+ params.height = Integer.parseInt(parts[2]);
+ } catch (NumberFormatException e) {
+ params.height = 0;
+ }
+ break;
+ }
+ return params;
+ }
+
+ public FileParams getLegacyFileParams() {
+ FileParams params = new FileParams();
+ if (this.getBody() == null) {
+ return params;
+ }
+ String parts[] = this.getBody().split(",");
+ if (parts.length == 3) {
+ try {
+ params.size = Long.parseLong(parts[0]);
+ } catch (NumberFormatException e) {
+ return null;
+ }
+ try {
+ params.width = Integer.parseInt(parts[1]);
+ } catch (NumberFormatException e) {
+ return null;
+ }
+ try {
+ params.height = Integer.parseInt(parts[2]);
+ } catch (NumberFormatException e) {
+ return null;
+ }
+ return params;
+ } else {
+ return null;
+ }
+ }
+
+ public void untie() {
+ this.mNextMessage = null;
+ this.mPreviousMessage = null;
+ }
+
+ public boolean isFileOrImage() {
+ return type == TYPE_FILE || type == TYPE_IMAGE;
+ }
+
+ public boolean hasFileOnRemoteHost() {
+ return isFileOrImage() && getFileParams().url != null;
+ }
+
+ public boolean needsUploading() {
+ return isFileOrImage() && getFileParams().url == null;
+ }
+
+ public class FileParams {
+ public URL url;
+ public long size = 0;
+ public int width = 0;
+ public int height = 0;
+ }
+
+ public void setAxolotlFingerprint(String fingerprint) {
+ this.axolotlFingerprint = fingerprint;
+ }
+
+ public String getAxolotlFingerprint() {
+ return axolotlFingerprint;
+ }
+
+ public boolean isTrusted() {
+ XmppAxolotlSession.Trust t = conversation.getAccount().getAxolotlService().getFingerprintTrust(axolotlFingerprint);
+ return t != null && t.trusted();
+ }
+
+ private int getPreviousEncryption() {
+ for (Message iterator = this.prev(); iterator != null; iterator = iterator.prev()){
+ if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) {
+ continue;
+ }
+ return iterator.getEncryption();
+ }
+ return ENCRYPTION_NONE;
+ }
+
+ private int getNextEncryption() {
+ for (Message iterator = this.next(); iterator != null; iterator = iterator.next()){
+ if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) {
+ continue;
+ }
+ return iterator.getEncryption();
+ }
+ return conversation.getNextEncryption();
+ }
+
+ public boolean isValidInSession() {
+ int pastEncryption = getCleanedEncryption(this.getPreviousEncryption());
+ int futureEncryption = getCleanedEncryption(this.getNextEncryption());
+
+ boolean inUnencryptedSession = pastEncryption == ENCRYPTION_NONE
+ || futureEncryption == ENCRYPTION_NONE
+ || pastEncryption != futureEncryption;
+
+ return inUnencryptedSession || getCleanedEncryption(this.getEncryption()) == pastEncryption;
+ }
+
+ private static int getCleanedEncryption(int encryption) {
+ if (encryption == ENCRYPTION_DECRYPTED || encryption == ENCRYPTION_DECRYPTION_FAILED) {
+ return ENCRYPTION_PGP;
+ }
+ return encryption;
+ }
+}