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etesync-android
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Code Issues Releases Wiki Activity

New sync logic for ContactsSyncAdapter, using dav4android and vcard4android

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pull/2/head
Ricki Hirner 9 years ago
parent 7f4b4855a0
commit 4f7f3b851a
6 changed files with 200 additions and 29 deletions
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4
app/src/main/java/at/bitfire/davdroid/HttpClient.java
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@ -40,7 +40,7 @@ public class HttpClient extends OkHttpClient {
super();
initialize();
// authentication
// authentication and User-Agent
if (preemptive)
networkInterceptors().add(new PreemptiveAuthenticationInterceptor(username, password));
else
@ -68,7 +68,7 @@ public class HttpClient extends OkHttpClient {
}
});
logging.setLevel(HttpLoggingInterceptor.Level.BODY);
networkInterceptors().add(logging);
interceptors().add(logging);
}

28
app/src/main/java/at/bitfire/davdroid/resource/LocalAddressBook.java
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@ -11,6 +11,7 @@ import android.accounts.Account;
import android.content.ContentProviderClient;
import android.provider.ContactsContract;
import at.bitfire.davdroid.Constants;
import at.bitfire.vcard4android.AndroidAddressBook;
import at.bitfire.vcard4android.AndroidContact;
import at.bitfire.vcard4android.AndroidContactFactory;
@ -25,9 +26,30 @@ public class LocalAddressBook extends AndroidAddressBook {
super(account, provider, AndroidGroupFactory.INSTANCE, LocalContact.Factory.INSTANCE);
}
/*LocalContact[] queryAll() throws ContactsStorageException {
LocalContact contacts[] = (LocalContact[])queryContacts(ContactsContract.RawContacts.DELETED + "=0", null);
public LocalContact[] getAll() throws ContactsStorageException {
LocalContact contacts[] = (LocalContact[])queryContacts(null, null);
return contacts;
}*/
}
/**
* Returns an array of local contacts which have been deleted locally. (DELETED != 0).
*/
public LocalContact[] getDeleted() throws ContactsStorageException {
return (LocalContact[])queryContacts(ContactsContract.RawContacts.DELETED + " != 0", null);
}
/**
* Returns an array of local contacts which have been changed locally (DIRTY != 0).
*/
public LocalContact[] getDirty() throws ContactsStorageException {
return (LocalContact[])queryContacts(ContactsContract.RawContacts.DIRTY + " != 0", null);
}
/**
* Returns an array of local contacts which don't have a file name yet.
*/
public LocalContact[] getWithoutFileName() throws ContactsStorageException {
return (LocalContact[])queryContacts(AndroidContact.COLUMN_FILENAME + " IS NULL", null);
}
}

31
app/src/main/java/at/bitfire/davdroid/resource/LocalContact.java
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@ -8,19 +8,34 @@
package at.bitfire.davdroid.resource;
import android.content.ContentValues;
import android.os.RemoteException;
import android.provider.ContactsContract;
import at.bitfire.vcard4android.AndroidAddressBook;
import at.bitfire.vcard4android.AndroidContact;
import at.bitfire.vcard4android.AndroidContactFactory;
import at.bitfire.vcard4android.Contact;
import at.bitfire.vcard4android.ContactsStorageException;
public class LocalContact extends AndroidContact {
protected LocalContact(AndroidAddressBook addressBook, long id) {
super(addressBook, id);
protected LocalContact(AndroidAddressBook addressBook, long id, String fileName, String eTag) {
super(addressBook, id, fileName, eTag);
}
public LocalContact(AndroidAddressBook addressBook, Contact contact, String fileName, String eTag) {
super(addressBook, contact, fileName, eTag);
}
public LocalContact(AndroidAddressBook addressBook, Contact contact) {
super(addressBook, contact);
public void updateUID(String uid) throws ContactsStorageException {
try {
ContentValues values = new ContentValues(1);
values.put(COLUMN_UID, uid);
addressBook.provider.update(rawContactSyncURI(), values, null, null);
} catch (RemoteException e) {
throw new ContactsStorageException("Couldn't update UID", e);
}
}
@ -28,13 +43,13 @@ public class LocalContact extends AndroidContact {
static final Factory INSTANCE = new Factory();
@Override
public LocalContact newInstance(AndroidAddressBook addressBook, long id) {
return new LocalContact(addressBook, id);
public LocalContact newInstance(AndroidAddressBook addressBook, long id, String fileName, String eTag) {
return new LocalContact(addressBook, id, fileName, eTag);
}
@Override
public LocalContact newInstance(AndroidAddressBook addressBook, Contact contact) {
return new LocalContact(addressBook, contact);
public LocalContact newInstance(AndroidAddressBook addressBook, Contact contact, String fileName, String eTag) {
return new LocalContact(addressBook, contact, fileName, eTag);
}
public LocalContact[] newArray(int size) {

162
app/src/main/java/at/bitfire/davdroid/syncadapter/ContactsSyncAdapterService.java
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@ -16,22 +16,36 @@ import android.content.Intent;
import android.content.SyncResult;
import android.os.Bundle;
import android.os.IBinder;
import android.text.TextUtils;
import android.util.Log;
import com.squareup.okhttp.HttpUrl;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.RequestBody;
import com.squareup.okhttp.ResponseBody;
import org.apache.commons.io.Charsets;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import at.bitfire.dav4android.DavAddressBook;
import at.bitfire.dav4android.DavResource;
import at.bitfire.dav4android.exception.DavException;
import at.bitfire.dav4android.exception.HttpException;
import at.bitfire.dav4android.property.GetETag;
import at.bitfire.dav4android.property.SupportedAddressData;
import at.bitfire.davdroid.Constants;
import at.bitfire.davdroid.HttpClient;
import at.bitfire.davdroid.resource.LocalAddressBook;
import at.bitfire.davdroid.resource.LocalContact;
import at.bitfire.vcard4android.Contact;
import ezvcard.VCardVersion;
import ezvcard.property.Uid;
public class ContactsSyncAdapterService extends Service {
private static ContactsSyncAdapter syncAdapter;
@ -66,8 +80,13 @@ public class ContactsSyncAdapterService extends Service {
AccountSettings settings = new AccountSettings(getContext(), account);
HttpClient httpClient = new HttpClient(settings.getUserName(), settings.getPassword(), settings.getPreemptiveAuth());
DavAddressBook dav = new DavAddressBook(httpClient, HttpUrl.parse(settings.getAddressBookURL()));
HttpUrl addressBookURL = HttpUrl.parse(settings.getAddressBookURL());
DavAddressBook dav = new DavAddressBook(httpClient, addressBookURL);
try {
// prepare local address book
LocalAddressBook addressBook = new LocalAddressBook(account, provider);
// prepare remote address book
boolean hasVCard4 = false;
dav.propfind(0, SupportedAddressData.NAME);
SupportedAddressData supportedAddressData = (SupportedAddressData)dav.properties.get(SupportedAddressData.NAME);
@ -77,22 +96,137 @@ public class ContactsSyncAdapterService extends Service {
hasVCard4 = true;
Constants.log.info("Server advertises VCard/4 support: " + hasVCard4);
LocalAddressBook addressBook = new LocalAddressBook(account, provider);
// Remove locally deleted contacts from server (if they have a name, i.e. if they were uploaded before),
// but only if they don't have changed on the server. Then finally remove them from the local address book.
LocalContact[] localList = addressBook.getDeleted();
for (LocalContact local : localList) {
final String fileName = local.getFileName();
if (!TextUtils.isEmpty(fileName)) {
Constants.log.info(fileName + " has been deleted locally -> deleting from server");
try {
new DavResource(httpClient, addressBookURL.newBuilder().addPathSegment(fileName).build())
.delete(local.eTag);
} catch(IOException|HttpException e) {
Constants.log.warn("Couldn't delete " + fileName + " from server");
}
} else
Constants.log.info("Removing local contact #" + local.getId() + " which has been deleted locally and was never uploaded");
local.delete();
}
dav.queryMemberETags();
for (DavResource vCard : dav.members) {
Constants.log.info("Found remote VCard: " + vCard.location);
ResponseBody body = vCard.get("text/vcard;q=0.8, text/vcard;version=4.0");
// assign file names and UIDs to new contacts so that we can use the file name as an index
localList = addressBook.getWithoutFileName();
for (LocalContact local : localList) {
String uuid = Uid.random().toString();
Constants.log.info("Found local contact #" + local.getId() + " without file name; assigning name UID/name " + uuid + "[.vcf]");
local.updateUID(uuid);
}
Contact contacts[] = Contact.fromStream(body.byteStream(), body.contentType().charset(Charsets.UTF_8));
if (contacts.length == 1) {
Contact contact = contacts[0];
Constants.log.info(contact.toString());
// upload dirty contacts
localList = addressBook.getDirty();
for (LocalContact local : localList) {
final String fileName = local.getFileName();
LocalContact localContact = new LocalContact(addressBook, contact);
localContact.add();
} else
Constants.log.error("Received VCard with not exactly one VCARD");
DavResource remote = new DavResource(httpClient, addressBookURL.newBuilder().addPathSegment(fileName).build());
RequestBody vCard = RequestBody.create(
hasVCard4 ? DavAddressBook.MIME_VCARD4 : DavAddressBook.MIME_VCARD3_UTF8,
local.getContact().toStream(hasVCard4 ? VCardVersion.V4_0 : VCardVersion.V3_0).toByteArray()
);
if (local.eTag == null) {
Constants.log.info("Uploading new contact " + fileName);
remote.put(vCard, null, local.eTag);
} else {
Constants.log.info("Uploading locally modified contact " + fileName);
remote.put(vCard, local.eTag, null);
}
// reset DIRTY
}
// check CTag (ignore on forced sync)
if (true) {
// fetch list of local contacts and build hash table to index file name
localList = addressBook.getAll();
Map<String, LocalContact> localContacts = new HashMap<>(localList.length);
for (LocalContact contact : localList) {
Constants.log.debug("Found local contact: " + contact.getFileName());
localContacts.put(contact.getFileName(), contact);
}
// fetch list of remote VCards and build hash table to index file name
Constants.log.info("Listing remote VCards");
dav.queryMemberETags();
Map<String, DavResource> remoteContacts = new HashMap<>(dav.members.size());
for (DavResource vCard : dav.members) {
String fileName = vCard.fileName();
Constants.log.debug("Found remote VCard: " + fileName);
remoteContacts.put(fileName, vCard);
}
/* check which contacts
1. are not present anymore remotely -> delete immediately on local side
2. updated remotely -> add to downloadNames
3. added remotely -> add to downloadNames
*/
Set<DavResource> toDownload = new HashSet<>();
for (String localName : localContacts.keySet()) {
DavResource remote = remoteContacts.get(localName);
if (remote == null) {
Constants.log.info(localName + " is not on server anymore, deleting");
localContacts.get(localName).delete();
} else {
// contact is still on server, check whether it has been updated remotely
GetETag getETag = (GetETag)remote.properties.get(GetETag.NAME);
if (getETag == null || getETag.eTag == null)
throw new DavException("Server didn't provide ETag");
String localETag = localContacts.get(localName).eTag,
remoteETag = getETag.eTag;
if (!remoteETag.equals(localETag)) {
Constants.log.info(localName + " has been changed on server (current ETag=" + remoteETag + ", last known ETag=" + localETag + ")");
toDownload.add(remote);
}
// remote entry has been seen, remove from list
remoteContacts.remove(localName);
}
}
// add all unseen (= remotely added) remote contacts
if (!remoteContacts.isEmpty()) {
Constants.log.info("New VCards have been found on the server: " + TextUtils.join(", ", remoteContacts.keySet()));
toDownload.addAll(remoteContacts.values());
}
// download new/updated VCards from server
for (DavResource remoteContact : toDownload) {
Constants.log.info("Downloading " + remoteContact.location);
String fileName = remoteContact.fileName();
ResponseBody body = remoteContact.get("text/vcard;q=0.5, text/vcard;charset=utf-8;q=0.8, text/vcard;version=4.0");
String remoteETag = ((GetETag)remoteContact.properties.get(GetETag.NAME)).eTag;
Contact contacts[] = Contact.fromStream(body.byteStream(), body.contentType().charset(Charsets.UTF_8));
if (contacts.length == 1) {
Contact newData = contacts[0];
// delete local contact, if it exists
LocalContact localContact = localContacts.get(fileName);
if (localContact != null) {
Constants.log.info("Updating " + fileName + " in local address book");
localContact.eTag = remoteETag;
localContact.update(newData);
} else {
Constants.log.info("Adding " + fileName + " to local address book");
localContact = new LocalContact(addressBook, newData, fileName, remoteETag);
localContact.add();
}
// add the new contact
} else
Constants.log.error("Received VCard with not exactly one VCARD, ignoring " + fileName);
}
}
} catch (Exception e) {

2
dav4android

@ -1 +1 @@
Subproject commit 57e1f34c45f070ca9b269f2bea109f6b1cdcb385
Subproject commit 84a2cf0bbad257274e362851020da3822957449d

2
vcard4android

@ -1 +1 @@
Subproject commit 644ee03c74d35837974db771a7093f6f28623fbc
Subproject commit 8053287e694d5a1b5c609fbbe3af97775e5a99af
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