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-rw-r--r--plugins/http-files/src/file_provider.vala5
-rw-r--r--plugins/http-files/src/manager.vala6
-rw-r--r--plugins/omemo/CMakeLists.txt1
-rw-r--r--plugins/omemo/src/file_provider.vala5
-rw-r--r--plugins/omemo/src/file_sender.vala108
-rw-r--r--plugins/omemo/src/plugin.vala1
6 files changed, 115 insertions, 11 deletions
diff --git a/plugins/http-files/src/file_provider.vala b/plugins/http-files/src/file_provider.vala
index a0fe1218..19d34bb0 100644
--- a/plugins/http-files/src/file_provider.vala
+++ b/plugins/http-files/src/file_provider.vala
@@ -13,17 +13,12 @@ public class FileProvider : Dino.FileProvider, Object {
private Dino.Database dino_db;
private Regex url_regex;
- private Gee.List<string> ignore_once = new ArrayList<string>();
-
public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) {
this.stream_interactor = stream_interactor;
this.dino_db = dino_db;
this.url_regex = new Regex("""^(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))$""");
stream_interactor.get_module(MessageProcessor.IDENTITY).received_pipeline.connect(new ReceivedMessageListener(this));
- stream_interactor.get_module(Manager.IDENTITY).uploaded.connect((file_transfer, url) => {
- ignore_once.add(url);
- });
}
private class ReceivedMessageListener : MessageListener {
diff --git a/plugins/http-files/src/manager.vala b/plugins/http-files/src/manager.vala
index b5aa0d26..96490bb1 100644
--- a/plugins/http-files/src/manager.vala
+++ b/plugins/http-files/src/manager.vala
@@ -71,7 +71,7 @@ public class Manager : StreamInteractionModule, FileSender, Object {
upload(stream, file_transfer,
(stream, url_down) => {
uploaded(file_transfer, url_down);
- file_transfer.info = url_down;
+ file_transfer.info = url_down; // store the message content temporarily so the message gets filtered out
Entities.Message message = stream_interactor.get_module(MessageProcessor.IDENTITY).create_out_message(url_down, conversation);
message.encryption = Encryption.NONE;
stream_interactor.get_module(MessageProcessor.IDENTITY).send_message(message, conversation);
@@ -91,7 +91,7 @@ public class Manager : StreamInteractionModule, FileSender, Object {
}
public bool can_send(Conversation conversation, FileTransfer file_transfer) {
- return true;
+ return file_transfer.encryption != Encryption.OMEMO;
}
public bool is_upload_available(Conversation conversation) {
@@ -116,7 +116,7 @@ public class Manager : StreamInteractionModule, FileSender, Object {
}
private void check_add_oob(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation) {
- if (message_is_file(db, message)) {
+ if (message_is_file(db, message) && message.body.has_prefix("http")) {
Xep.OutOfBandData.add_url_to_message(message_stanza, message_stanza.body);
}
}
diff --git a/plugins/omemo/CMakeLists.txt b/plugins/omemo/CMakeLists.txt
index 5ffb9c39..b2145be7 100644
--- a/plugins/omemo/CMakeLists.txt
+++ b/plugins/omemo/CMakeLists.txt
@@ -40,6 +40,7 @@ SOURCES
src/encrypt_state.vala
src/encryption_list_entry.vala
src/file_provider.vala
+ src/file_sender.vala
src/manage_key_dialog.vala
src/manager.vala
src/message_flag.vala
diff --git a/plugins/omemo/src/file_provider.vala b/plugins/omemo/src/file_provider.vala
index fb1c1d1e..810da084 100644
--- a/plugins/omemo/src/file_provider.vala
+++ b/plugins/omemo/src/file_provider.vala
@@ -14,8 +14,6 @@ public class FileProvider : Dino.FileProvider, Object {
private Dino.Database dino_db;
private Regex url_regex;
- private Gee.List<string> ignore_once = new ArrayList<string>();
-
public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) {
this.stream_interactor = stream_interactor;
this.dino_db = dino_db;
@@ -139,7 +137,8 @@ public class FileProvider : Dino.FileProvider, Object {
} while(len > 0);
// Decrypt
- return new MemoryInputStream.from_data(aes_decrypt(Cipher.AES_GCM_NOPADDING, key, iv, data.data));
+ uint8[] cleartext = Signal.aes_decrypt(Cipher.AES_GCM_NOPADDING, key, iv, data.data);
+ return new MemoryInputStream.from_data(cleartext);
}
private uint8[] hex_to_bin(string hex) {
diff --git a/plugins/omemo/src/file_sender.vala b/plugins/omemo/src/file_sender.vala
new file mode 100644
index 00000000..a760bc7b
--- /dev/null
+++ b/plugins/omemo/src/file_sender.vala
@@ -0,0 +1,108 @@
+using Dino.Entities;
+using Gee;
+using Signal;
+using Xmpp;
+
+namespace Dino.Plugins.Omemo {
+
+public class AesGcmFileSender : StreamInteractionModule, FileSender, Object {
+ public static ModuleIdentity<Manager> IDENTITY = new ModuleIdentity<Manager>("http_files");
+ public string id { get { return IDENTITY.id; } }
+
+
+ private StreamInteractor stream_interactor;
+ private HashMap<Account, long> max_file_sizes = new HashMap<Account, long>(Account.hash_func, Account.equals_func);
+
+ public AesGcmFileSender(StreamInteractor stream_interactor) {
+ this.stream_interactor = stream_interactor;
+
+ stream_interactor.stream_negotiated.connect(on_stream_negotiated);
+ }
+
+ public void send_file(Conversation conversation, FileTransfer file_transfer) {
+ Xmpp.XmppStream? stream = stream_interactor.get_stream(file_transfer.account);
+ uint8[] buf = new uint8[256];
+ Array<uint8> data = new Array<uint8>(false, true, 0);
+ size_t len = -1;
+ do {
+ try {
+ len = file_transfer.input_stream.read(buf);
+ } catch (IOError error) {
+ warning(@"HTTP upload: IOError reading stream: $(error.message)");
+ file_transfer.state = FileTransfer.State.FAILED;
+ }
+ data.append_vals(buf, (uint) len);
+ } while(len > 0);
+
+ //Create a key and use it to encrypt the file
+ uint8[] iv = new uint8[16];
+ Plugin.get_context().randomize(iv);
+ uint8[] key = new uint8[32];
+ Plugin.get_context().randomize(key);
+ uint8[] ciphertext = aes_encrypt(Cipher.AES_GCM_NOPADDING, key, iv, data.data);
+
+ // Convert iv and key to hex
+ string iv_and_key = "";
+ foreach (uint8 byte in iv) iv_and_key += byte.to_string("%02x");
+ foreach (uint8 byte in key) iv_and_key += byte.to_string("%02x");
+
+ stream_interactor.module_manager.get_module(file_transfer.account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).request_slot(stream, file_transfer.server_file_name, (int) data.length, file_transfer.mime_type,
+ (stream, url_down, url_up) => {
+ Soup.Message message = new Soup.Message("PUT", url_up);
+ message.set_request(file_transfer.mime_type, Soup.MemoryUse.COPY, ciphertext);
+ Soup.Session session = new Soup.Session();
+ session.send_async.begin(message, null, (obj, res) => {
+ try {
+ session.send_async.end(res);
+ if (message.status_code >= 200 && message.status_code < 300) {
+ string aesgcm_link = url_down + "#" + iv_and_key;
+ aesgcm_link = "aesgcm://" + aesgcm_link.substring(8); // replace https:// by aesgcm://
+
+ file_transfer.info = aesgcm_link; // store the message content temporarily so the message gets filtered out
+ Entities.Message xmpp_message = stream_interactor.get_module(MessageProcessor.IDENTITY).create_out_message(aesgcm_link, conversation);
+ xmpp_message.encryption = Encryption.OMEMO;
+ stream_interactor.get_module(MessageProcessor.IDENTITY).send_message(xmpp_message, conversation);
+ file_transfer.info = xmpp_message.id.to_string();
+
+ ContentItem? content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_item(conversation, 1, xmpp_message.id);
+ if (content_item != null) {
+ stream_interactor.get_module(ContentItemStore.IDENTITY).set_item_hide(content_item, true);
+ }
+ } else {
+ warning("HTTP status code " + message.status_code.to_string());
+ file_transfer.state = FileTransfer.State.FAILED;
+ }
+ } catch (Error e) {
+ warning("HTTP upload error: " + e.message);
+ file_transfer.state = FileTransfer.State.FAILED;
+ }
+ });
+ },
+ (stream, error) => {
+ warning("HTTP upload error: " + error);
+ file_transfer.state = FileTransfer.State.FAILED;
+ }
+ );
+ }
+
+ public bool can_send(Conversation conversation, FileTransfer file_transfer) {
+ return file_transfer.encryption == Encryption.OMEMO;
+ }
+
+ public bool is_upload_available(Conversation conversation) {
+ lock (max_file_sizes) {
+ return max_file_sizes.has_key(conversation.account);
+ }
+ }
+
+ private void on_stream_negotiated(Account account, XmppStream stream) {
+ stream_interactor.module_manager.get_module(account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).feature_available.connect((stream, max_file_size) => {
+ lock (max_file_sizes) {
+ max_file_sizes[account] = max_file_size;
+ }
+ upload_available(account);
+ });
+ }
+}
+
+}
diff --git a/plugins/omemo/src/plugin.vala b/plugins/omemo/src/plugin.vala
index be6229cc..2cb96e10 100644
--- a/plugins/omemo/src/plugin.vala
+++ b/plugins/omemo/src/plugin.vala
@@ -51,6 +51,7 @@ public class Plugin : RootInterface, Object {
});
app.stream_interactor.get_module(FileManager.IDENTITY).add_provider(new FileProvider(app.stream_interactor, app.db));
+ this.app.stream_interactor.get_module(FileManager.IDENTITY).add_sender(new AesGcmFileSender(app.stream_interactor));
Manager.start(this.app.stream_interactor, db, trust_manager);
SimpleAction own_keys_action = new SimpleAction("own-keys", VariantType.INT32);