Fix initial file encryption displaying

fixes #831
This commit is contained in:
fiaxh 2020-09-02 16:47:41 +02:00
parent e327a88898
commit 49bcbdaa51
6 changed files with 37 additions and 13 deletions

View file

@ -313,6 +313,15 @@ public class FileManager : StreamInteractionModule, Object {
file_transfer.size = (int)file_meta.size;
file_transfer.info = info;
var encryption = file_provider.get_encryption(file_transfer, receive_data, file_meta);
if (encryption != Encryption.NONE) file_transfer.encryption = encryption;
foreach (FileDecryptor decryptor in file_decryptors) {
if (decryptor.can_decrypt_file(conversation, file_transfer, receive_data)) {
file_transfer.encryption = decryptor.get_encryption();
}
}
file_transfer.persist(db);
if (is_sender_trustworthy(file_transfer, conversation)) {
@ -389,6 +398,7 @@ public class HttpFileReceiveData : FileReceiveData {
public interface FileProvider : Object {
public signal void file_incoming(string info, Jid from, DateTime time, DateTime local_time, Conversation conversation, FileReceiveData receive_data, FileMeta file_meta);
public abstract Encryption get_encryption(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta);
public abstract FileMeta get_file_meta(FileTransfer file_transfer) throws FileReceiveError;
public abstract FileReceiveData? get_file_receive_data(FileTransfer file_transfer);
@ -419,6 +429,7 @@ public interface FileEncryptor : Object {
}
public interface FileDecryptor : Object {
public abstract Encryption get_encryption();
public abstract FileReceiveData prepare_get_meta_info(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data);
public abstract FileMeta prepare_download_file(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta);
public abstract bool can_decrypt_file(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data);

View file

@ -11,7 +11,7 @@ public interface JingleFileEncryptionHelper : Object {
public abstract async bool can_encrypt(Conversation conversation, FileTransfer file_transfer, Jid? full_jid = null);
public abstract string? get_precondition_name(Conversation conversation, FileTransfer file_transfer);
public abstract Object? get_precondition_options(Conversation conversation, FileTransfer file_transfer);
public abstract FileMeta complete_meta(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta, Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer);
public abstract Encryption get_encryption(Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer);
}
public class JingleFileEncryptionHelperTransferOnly : JingleFileEncryptionHelper, Object {
@ -27,8 +27,8 @@ public class JingleFileEncryptionHelperTransferOnly : JingleFileEncryptionHelper
public Object? get_precondition_options(Conversation conversation, FileTransfer file_transfer) {
return null;
}
public FileMeta complete_meta(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta, Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer) {
return file_meta;
public Encryption get_encryption(Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer) {
return Encryption.NONE;
}
}
@ -79,15 +79,19 @@ public class JingleFileProvider : FileProvider, Object {
}
public async FileMeta get_meta_info(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) throws FileReceiveError {
return file_meta;
}
public Encryption get_encryption(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) {
Xmpp.Xep.JingleFileTransfer.FileTransfer? jingle_file_transfer = file_transfers[file_transfer.info];
if (jingle_file_transfer == null) {
throw new FileReceiveError.DOWNLOAD_FAILED("Transfer data not available anymore");
}
FileMeta meta = file_meta;
foreach (JingleFileEncryptionHelper helper in JingleFileHelperRegistry.instance.encryption_helpers.values) {
meta = helper.complete_meta(file_transfer, receive_data, meta, jingle_file_transfer);
var encryption = helper.get_encryption(jingle_file_transfer);
if (encryption != Encryption.NONE) return encryption;
}
return meta;
return Encryption.NONE;
}
public async InputStream download(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) throws FileReceiveError {
@ -97,9 +101,6 @@ public class JingleFileProvider : FileProvider, Object {
if (jingle_file_transfer == null) {
throw new FileReceiveError.DOWNLOAD_FAILED("Transfer data not available anymore");
}
foreach (JingleFileEncryptionHelper helper in JingleFileHelperRegistry.instance.encryption_helpers.values) {
helper.complete_meta(file_transfer, receive_data, file_meta, jingle_file_transfer);
}
try {
jingle_file_transfer.accept(stream);
} catch (IOError e) {

View file

@ -92,6 +92,10 @@ public class FileProvider : Dino.FileProvider, Object {
return file_meta;
}
public Encryption get_encryption(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) {
return Encryption.NONE;
}
public async InputStream download(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) throws FileReceiveError {
HttpFileReceiveData? http_receive_data = receive_data as HttpFileReceiveData;
if (http_receive_data == null) assert(false);

View file

@ -13,6 +13,10 @@ public class OmemoFileDecryptor : FileDecryptor, Object {
private Regex url_regex = /^aesgcm:\/\/(.*)#(([A-Fa-f0-9]{2}){48}|([A-Fa-f0-9]{2}){44})$/;
public Encryption get_encryption() {
return Encryption.OMEMO;
}
public FileReceiveData prepare_get_meta_info(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data) {
HttpFileReceiveData? http_receive_data = receive_data as HttpFileReceiveData;
if (http_receive_data == null) assert(false);

View file

@ -42,12 +42,12 @@ public class EncryptionHelper : JingleFileEncryptionHelper, Object {
return new Xep.Jet.Options(Omemo.NS_URI, AES_128_GCM_URI);
}
public FileMeta complete_meta(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta, Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer) {
public Encryption get_encryption(Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer) {
Xep.Jet.SecurityParameters? security = jingle_transfer.security as Xep.Jet.SecurityParameters;
if (security != null && security.encoding.get_type_uri() == Omemo.NS_URI) {
file_transfer.encryption = Encryption.OMEMO;
return Encryption.OMEMO;
}
return file_meta;
return Encryption.NONE;
}
}
}

View file

@ -4,6 +4,10 @@ namespace Dino.Plugins.OpenPgp {
public class PgpFileDecryptor : FileDecryptor, Object {
public Encryption get_encryption() {
return Encryption.PGP;
}
public FileReceiveData prepare_get_meta_info(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data) {
return receive_data;
}