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Code Issues Releases Wiki Activity

Refactored ensure...

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M66B 2020-11-16 20:00:55 +01:00
parent 04f75e1eca
commit f0f14f66e4
1 changed files with 49 additions and 42 deletions
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91
app/src/main/java/eu/faircode/email/MessageHelper.java
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@ -108,8 +108,8 @@ import biweekly.ICalendar;
public class MessageHelper {
private boolean ensuredEnvelope = false;
private boolean ensuredEnvelopeAll = false;
private boolean ensuredBody = false;
private boolean ensuredHeaders = false;
private boolean ensuredStructure = false;
private MimeMessage imessage;
private static File cacheDir = null;
@ -823,7 +823,7 @@ public class MessageHelper {
}
String getMessageID() throws MessagingException {
ensureMessage(false, false);
ensureEnvelope();
// Outlook outbox -> sent
String header = imessage.getHeader(HEADER_CORRELATION_ID, null);
@ -833,7 +833,7 @@ public class MessageHelper {
}
String[] getReferences() throws MessagingException {
ensureMessage(false);
ensureHeaders();
List<String> result = new ArrayList<>();
String refs = imessage.getHeader("References", null);
@ -895,7 +895,7 @@ public class MessageHelper {
}
String getDeliveredTo() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String header = imessage.getHeader("Delivered-To", null);
if (header == null)
@ -911,15 +911,13 @@ public class MessageHelper {
}
String getInReplyTo() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String header = imessage.getHeader("In-Reply-To", null);
return (header == null ? null : MimeUtility.unfold(header));
}
String getThreadId(Context context, long account, long uid) throws MessagingException {
ensureMessage(false);
if (imessage instanceof GmailMessage) {
// https://developers.google.com/gmail/imap/imap-extensions#access_to_the_gmail_thread_id_x-gm-thrid
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
@ -995,7 +993,7 @@ public class MessageHelper {
Integer getPriority() throws MessagingException {
Integer priority = null;
ensureMessage(false);
ensureHeaders();
// https://tools.ietf.org/html/rfc2156
// https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/ms-oxcmail/2bb19f1b-b35e-4966-b1cb-1afd044e83ab
@ -1068,20 +1066,20 @@ public class MessageHelper {
}
boolean getReceiptRequested() throws MessagingException {
ensureMessage(false);
ensureHeaders();
return (imessage.getHeader("Return-Receipt-To") != null ||
imessage.getHeader("Disposition-Notification-To") != null);
}
Address[] getReceiptTo() throws MessagingException {
ensureMessage(false);
ensureHeaders();
return getAddressHeader("Disposition-Notification-To");
}
String[] getAuthentication() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String[] headers = imessage.getHeader("Authentication-Results");
if (headers == null)
@ -1121,7 +1119,7 @@ public class MessageHelper {
}
String getReceivedFromHost() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String[] received = imessage.getHeader("Received");
if (received == null || received.length == 0)
@ -1156,7 +1154,7 @@ public class MessageHelper {
}
private Address[] getAddressHeader(String name) throws MessagingException {
ensureMessage(false);
ensureHeaders();
String header = imessage.getHeader(name, ",");
if (header == null)
@ -1217,7 +1215,7 @@ public class MessageHelper {
}
Address[] getListPost() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String list;
try {
@ -1257,7 +1255,7 @@ public class MessageHelper {
}
String getListUnsubscribe() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String list;
try {
@ -1305,7 +1303,7 @@ public class MessageHelper {
}
String getAutocrypt() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String autocrypt = imessage.getHeader("Autocrypt", null);
if (autocrypt == null)
@ -1315,7 +1313,7 @@ public class MessageHelper {
}
String getSubject() throws MessagingException {
ensureMessage(false);
ensureHeaders();
String subject = imessage.getHeader("Subject", null);
if (subject == null)
@ -1333,14 +1331,14 @@ public class MessageHelper {
}
Long getSize() throws MessagingException {
ensureMessage(false);
ensureEnvelope();
long size = imessage.getSize();
return (size < 0 ? null : size);
}
Long getReceived() throws MessagingException {
ensureMessage(false);
ensureEnvelope();
Date received = imessage.getReceivedDate();
if (received == null)
@ -1350,7 +1348,7 @@ public class MessageHelper {
}
Long getReceivedHeader() throws MessagingException {
ensureMessage(false);
ensureHeaders();
// https://tools.ietf.org/html/rfc5321#section-4.4
// https://tools.ietf.org/html/rfc5322#section-3.6.7
@ -1372,7 +1370,7 @@ public class MessageHelper {
}
Long getSent() throws MessagingException {
ensureMessage(false);
ensureEnvelope();
Date sent = imessage.getSentDate();
if (sent == null)
@ -1382,7 +1380,7 @@ public class MessageHelper {
}
String getHeaders() throws MessagingException {
ensureMessage(false);
ensureHeaders();
StringBuilder sb = new StringBuilder();
Enumeration<Header> headers = imessage.getAllHeaders();
@ -2209,7 +2207,7 @@ public class MessageHelper {
MessageParts getMessageParts() throws IOException, MessagingException {
MessageParts parts = new MessageParts();
ensureMessage(true);
ensureStructure();
try {
MimePart part = imessage;
@ -2436,28 +2434,38 @@ public class MessageHelper {
}
}
private void ensureMessage(boolean body) throws MessagingException {
ensureMessage(body, true);
private void ensureEnvelope() throws MessagingException {
_ensureMessage(false, false);
}
private void ensureMessage(boolean body, boolean all) throws MessagingException {
if (body ? ensuredBody : ensuredEnvelopeAll || (ensuredEnvelope && !all))
return;
private void ensureHeaders() throws MessagingException {
_ensureMessage(false, true);
}
if (body)
ensuredBody = true;
else {
if (all)
ensuredEnvelopeAll = true;
else
ensuredEnvelope = true;
private void ensureStructure() throws MessagingException {
_ensureMessage(true, true);
}
private void _ensureMessage(boolean structure, boolean headers) throws MessagingException {
if (structure) {
if (ensuredStructure)
return;
ensuredStructure = true;
} else if (headers) {
if (ensuredHeaders)
return;
ensuredHeaders = true;
} else {
if (ensuredEnvelope)
return;
ensuredEnvelope = true;
}
Log.i("Ensure body=" + body + " all=" + all);
Log.i("Ensure structure=" + structure + " headers=" + headers);
try {
if (imessage instanceof IMAPMessage) {
if (body) {
if (structure) {
String contentType = imessage.getContentType(); // force loadBODYSTRUCTURE
// Workaround protocol parameter missing
@ -2483,11 +2491,10 @@ public class MessageHelper {
throw new MessagingException("Failed to load IMAP envelope");
}
} else {
// force loadEnvelope
if (all)
imessage.getAllHeaders();
if (headers)
imessage.getAllHeaders(); // force loadHeaders
else
imessage.getMessageID();
imessage.getMessageID(); // force loadEnvelope
}
}
} catch (MessagingException ex) {