Download & inline display images

4 files changed, 150 insertions, 8 deletions

diff --git a/plugins/http-files/src/file_provider.vala b/plugins/http-files/src/file_provider.vala
new file mode 100644
index 00000000..b4a69ddb
--- /dev/null
+++ b/plugins/http-files/src/file_provider.vala
@@ -0,0 +1,106 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Plugins.HttpFiles {
+
+public class FileProvider : Plugins.FileProvider, Object {
+    public string id { get { return "http"; } }
+
+    private StreamInteractor stream_interactor;
+    private Regex url_regex;
+    private Regex file_ext_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.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`!()\[\]{};:'".,<>?«»“”‘’]))$""");
+        this.file_ext_regex = new Regex("""\.(png|jpg|jpeg|svg|gif)""");
+
+        Application app = GLib.Application.get_default() as Application;
+        app.plugin_registry.register_message_display(new FileMessageFilterDisplay(dino_db));
+
+        stream_interactor.get_module(MessageProcessor.IDENTITY).message_received.connect(check_message);
+        stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(check_message);
+        stream_interactor.get_module(Manager.IDENTITY).uploading.connect((file_transfer) => {
+            file_transfer.provider = 0;
+            file_incoming(file_transfer);
+        });
+        stream_interactor.get_module(Manager.IDENTITY).uploaded.connect((file_transfer, url) => {
+            file_transfer.info = url;
+            ignore_once.add(url);
+        });
+    }
+
+    public void check_message(Message message, Conversation conversation) {
+        if (ignore_once.remove(message.body)) return;
+        bool in_roster = stream_interactor.get_module(RosterManager.IDENTITY).get_roster_item(conversation.account, conversation.counterpart) != null;
+        if (message.direction == Message.DIRECTION_RECEIVED && !in_roster) return;
+        if (message.body.length < 5) return;
+        if (!url_regex.match(message.body)) return;
+        if (!file_ext_regex.match(message.body)) return;
+
+        var session = new Soup.Session();
+        var head_message = new Soup.Message("HEAD", message.body);
+        if (head_message != null) {
+            session.send_message(head_message);
+            string? content_type = null, content_length = null;
+            print(message.body + ":\n");
+            head_message.response_headers.foreach((name, val) => {
+                print(name + " " + val + "\n");
+                if (name == "Content-Type") content_type = val;
+                if (name == "Content-Length") content_length = val;
+            });
+            if (content_type != null && content_type.has_prefix("image") && content_length != null && int.parse(content_length) < 5000000) {
+                Soup.Request request = session.request (message.body);
+                FileTransfer file_transfer = new FileTransfer();
+                file_transfer.account = conversation.account;
+                file_transfer.counterpart = conversation.counterpart;
+                file_transfer.ourpart = message.ourpart;
+                file_transfer.encryption = Encryption.NONE;
+                file_transfer.time = new DateTime.now_utc();
+                file_transfer.local_time = new DateTime.now_utc();
+                file_transfer.direction = message.direction;
+                file_transfer.input_stream = request.send();
+                file_transfer.file_name = message.body.substring(message.body.last_index_of("/") + 1);
+                file_transfer.mime_type = content_type;
+                file_transfer.size = int.parse(content_length);
+                file_transfer.state = FileTransfer.State.NOT_STARTED;
+                file_transfer.provider = 0;
+                file_transfer.info = message.body;
+                file_incoming(file_transfer);
+            }
+        }
+    }
+}
+
+public class FileMessageFilterDisplay : Plugins.MessageDisplayProvider, Object {
+    public string id { get; set; default="file_message_filter"; }
+    public double priority { get; set; default=10; }
+
+    public Database db;
+
+    public FileMessageFilterDisplay(Dino.Database db) {
+        this.db = db;
+    }
+
+    public bool can_display(Entities.Message? message) {
+        return message_is_file(message);
+    }
+
+    public Plugins.MetaConversationItem? get_item(Entities.Message message, Conversation conversation) {
+        return null;
+    }
+
+    private bool message_is_file(Entities.Message message) {
+        Qlite.QueryBuilder builder = db.file_transfer.select()
+                .with(db.file_transfer.info, "=", message.body)
+                .with(db.file_transfer.account_id, "=", message.account.id)
+                .with(db.file_transfer.counterpart_id, "=", db.get_jid_id(message.counterpart));
+        return builder.count() > 0;
+    }
+}
+
+}
diff --git a/plugins/http-files/src/manager.vala b/plugins/http-files/src/manager.vala
index f398b700..14c190af 100644
--- a/plugins/http-files/src/manager.vala
+++ b/plugins/http-files/src/manager.vala
@@ -9,6 +9,8 @@ public class Manager : StreamInteractionModule, Object {
     public string id { get { return IDENTITY.id; } }
 
     public signal void upload_available(Account account);
+    public signal void uploading(FileTransfer file_transfer);
+    public signal void uploaded(FileTransfer file_transfer, string url);
 
     private StreamInteractor stream_interactor;
     private HashMap<Account, int?> max_file_sizes = new HashMap<Account, int?>(Account.hash_func, Account.equals_func);
@@ -22,11 +24,31 @@ public class Manager : StreamInteractionModule, Object {
     public void send(Conversation conversation, string file_uri) {
         Xmpp.Core.XmppStream? stream = stream_interactor.get_stream(conversation.account);
         if (stream != null) {
+            File file = File.new_for_path(file_uri);
+            FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE);
+
+            FileTransfer file_transfer = new FileTransfer();
+            file_transfer.account = conversation.account;
+            file_transfer.counterpart = conversation.counterpart;
+            file_transfer.ourpart = conversation.account.bare_jid;
+            file_transfer.direction = FileTransfer.DIRECTION_SENT;
+            file_transfer.time = new DateTime.now_utc();
+            file_transfer.local_time = new DateTime.now_utc();
+            file_transfer.encryption = Encryption.NONE;
+            file_transfer.file_name = file_info.get_display_name();
+            file_transfer.input_stream = file.read();
+            file_transfer.mime_type = file_info.get_content_type();
+            file_transfer.size = (int)file_info.get_size();
+            uploading(file_transfer);
+
             stream_interactor.module_manager.get_module(conversation.account, UploadStreamModule.IDENTITY).upload(stream, file_uri,
                 (stream, url_down) => {
+                    uploaded(file_transfer, url_down);
                     stream_interactor.get_module(MessageProcessor.IDENTITY).send_message(url_down, conversation);
                 },
-                () => {}
+                () => {
+                    file_transfer.state = FileTransfer.State.FAILED;
+                }
             );
 
         }
diff --git a/plugins/http-files/src/plugin.vala b/plugins/http-files/src/plugin.vala
index ac6ca87a..d91b0c97 100644
--- a/plugins/http-files/src/plugin.vala
+++ b/plugins/http-files/src/plugin.vala
@@ -7,17 +7,22 @@ public class Plugin : RootInterface, Object {
 
     public Dino.Application app;
     public ConversationsTitlebarEntry conversations_titlebar_entry;
+    public FileProvider file_provider;
 
     public void registered(Dino.Application app) {
         try {
             this.app = app;
-            this.conversations_titlebar_entry = new ConversationsTitlebarEntry(app.stream_interactor);
+            Manager.start(this.app.stream_interactor);
+
+            conversations_titlebar_entry = new ConversationsTitlebarEntry(app.stream_interactor);
+            file_provider = new FileProvider(app.stream_interactor, app.db);
 
-            this.app.plugin_registry.register_contact_titlebar_entry(conversations_titlebar_entry);
-            this.app.stream_interactor.module_manager.initialize_account_modules.connect((account, list) => {
+            app.plugin_registry.register_contact_titlebar_entry(conversations_titlebar_entry);
+            app.stream_interactor.module_manager.initialize_account_modules.connect((account, list) => {
                 list.add(new UploadStreamModule());
             });
-            Manager.start(this.app.stream_interactor);
+
+            app.stream_interactor.get_module(FileManager.IDENTITY).add_provider(file_provider);
         } catch (Error e) {
             print(@"Error initializing http-files: $(e.message)\n");
         }
diff --git a/plugins/http-files/src/upload_stream_module.vala b/plugins/http-files/src/upload_stream_module.vala
index 2e697afa..2e794593 100644
--- a/plugins/http-files/src/upload_stream_module.vala
+++ b/plugins/http-files/src/upload_stream_module.vala
@@ -25,9 +25,18 @@ public class UploadStreamModule : XmppStreamModule {
                 Soup.Message message = new Soup.Message("PUT", url_up);
                 message.set_request(file_info.get_content_type(), Soup.MemoryUse.COPY, data);
                 Soup.Session session = new Soup.Session();
-                session.send_async(message);
-
-                listener(stream, url_down);
+                session.send_async.begin(message, null, (obj, res) => {
+                    try {
+                        session.send_async.end(res);
+                        if (message.status_code == 200) {
+                            listener(stream, url_down);
+                        } else {
+                            error_listener(stream, "HTTP status code " + message.status_code.to_string());
+                        }
+                    } catch (Error e) {
+                        error_listener(stream, e.message);
+                    }
+                });
             },
             error_listener);
     }