Remove avatar button

src/frontend/index.css

@@ -165,6 +165,8 @@ label {
   transform: translateX(26px);
 }
 #avatarContainer {
+    position: relative;
+    padding-bottom: 1.5em;
     display: flex;
     justify-content: center;
 }
@@ -191,6 +193,14 @@ label {
 #avatarContainer label:hover p {
     display: block;
 }
+#removeAvatar {
+    position: absolute;
+    bottom: 0;
+    cursor: pointer;
+}
+#removeAvatar:hover {
+    color: var(--accent);
+}
 #profile_info section {
     display: block;
     margin-bottom: 20px;
@@ -199,12 +209,12 @@ label {
 #profile_info section:first-of-type {
     border-top: unset;
 }
+#profile_info section:first-of-type h3 {
+    margin: 0;
+}
 #profile_info input {
     margin: 10px;
 }
-#profile_info span {
-    font-weight: bold;
-}
 #profile_info>div>div p {
     font-weight: normal;
     font-size: 0.9em;
@@ -275,10 +285,6 @@ label {
 #me>div:hover p {
     color: var(--accent);
 }
-#identity_fingerprint {
-    text-align: center;
-    margin-bottom: 0;
-}
 #left_panel ul:last-of-type, #msg_log {
     flex-grow: 1;
 }

src/frontend/index.js

@@ -244,6 +244,7 @@ profile_div.onclick = function() {
     labelAvatar.setAttribute("for", "avatar_input");
     let inputAvatar = document.createElement("input");
     inputAvatar.type = "file";
+    inputAvatar.accept = "image/*";
     inputAvatar.id = "avatar_input";
     inputAvatar.onchange = function(event) {
         let file = event.target.files[0];
@@ -253,11 +254,7 @@ profile_div.onclick = function() {
             fetch("/set_avatar", {method: "POST", body: formData}).then(response => {
                 if (response.ok) {
                     avatarTimestamps.set("self", Date.now());
-                    document.querySelector("#avatarContainer .avatar").src = "/avatar/self?"+avatarTimestamps.get("self");
+                    refreshSelfAvatar();
-                    displayProfile();
-                    if (currentSessionId != -1) {
-                        displayHistory();
-                    }
                 } else {
                     console.log(response);
                 }
@@ -277,11 +274,14 @@ profile_div.onclick = function() {
     uploadP.textContent = "Upload";
     labelAvatar.appendChild(uploadP);
     avatarContainer.appendChild(labelAvatar);
+    let removeAvatar = document.createElement("span");
+    removeAvatar.id = "removeAvatar";
+    removeAvatar.textContent = "Remove";
+    removeAvatar.onclick = function() {
+        socket.send("remove_avatar");
+    };
+    avatarContainer.appendChild(removeAvatar);
     mainDiv.appendChild(avatarContainer);
-    let fingerprint = document.createElement("pre");
-    fingerprint.id = "identity_fingerprint";
-    fingerprint.textContent = beautifyFingerprint(identityFingerprint);
-    mainDiv.appendChild(fingerprint);
     let sectionName = document.createElement("section");
     let titleName = document.createElement("h3");
     titleName.textContent = "Name:";
@@ -299,6 +299,14 @@ profile_div.onclick = function() {
     };
     sectionName.appendChild(saveNameButton);
     mainDiv.appendChild(sectionName);
+    let sectionFingerprint = document.createElement("section");
+    let titleFingerprint = document.createElement("h3");
+    titleFingerprint.textContent = "Your fingerprint:";
+    sectionFingerprint.appendChild(titleFingerprint);
+    let fingerprint = document.createElement("pre");
+    fingerprint.textContent = beautifyFingerprint(identityFingerprint);
+    sectionFingerprint.appendChild(fingerprint);
+    mainDiv.appendChild(sectionFingerprint);
     let sectionPadding = document.createElement("section");
     sectionPadding.appendChild(generateSwitchPreference("Use PSEC padding", "PSEC padding obfuscates the length of your messages but uses more network bandwidth.", usePadding, function(checked) {
         socket.send("set_use_padding "+checked);
@@ -499,8 +507,8 @@ socket.onmessage = function(msg) {
             case "name_told":
                 onNameTold(args[1], msg.data.slice(args[0].length+args[1].length+2));
                 break;
-            case "avatar_set":
+            case "avatar_changed":
-                onAvatarSet(args[1]);
+                onAvatarChanged(args[1]);
                 break;
             case "is_contact":
                 onIsContact(args[1], args[2] === "true", args[3], msg.data.slice(args[0].length+args[1].length+args[2].length+args[3].length+4));
@@ -554,12 +562,15 @@ function onNameTold(sessionId, name) {
     }
     displaySessions();
 }
-function onAvatarSet(sessionId) {
+function onAvatarChanged(sessionIdOrSelf) {
-    avatarTimestamps.set(sessionId, Date.now());
+    avatarTimestamps.set(sessionIdOrSelf, Date.now());
     displaySessions();
-    if (sessionId === currentSessionId) {
+    if (sessionIdOrSelf === currentSessionId) {
         displayHeader();
         displayHistory(false);
+        refreshAvatar("#session_info .avatar", sessionIdOrSelf);
+    } else if (sessionIdOrSelf === "self") {
+        refreshSelfAvatar();
     }
 }
 function setNotSeen(strSessionIds) {
@@ -818,6 +829,23 @@ function sendNextLargeFile(sessionId) {
         }
     });
 }
+function refreshAvatar(selector, sessionId) {
+    let avatar = document.querySelector(selector);
+    if (typeof avatar !== "undefined") {
+        if (typeof sessionId === "undefined") {
+            avatar.src = "/avatar/self?"+avatarTimestamps.get("self");
+        } else {
+            avatar.src = "/avatar/"+sessionId+"/"+sessionsData.get(sessionId).name+"?"+avatarTimestamps.get(sessionId);
+        }
+    }
+}
+function refreshSelfAvatar() {
+    refreshAvatar("#avatarContainer .avatar");
+    displayProfile();
+    if (currentSessionId != -1) {
+        displayHistory(false);
+    }
+}
 function beautifyFingerprint(f) {
     for (let i=4; i<f.length; i+=5) {
         f = f.slice(0, i)+" "+f.slice(i);
@@ -1032,12 +1060,11 @@ function generateMsgHeader(name, sessionId) {
     p.appendChild(document.createTextNode(name));
     let div = document.createElement("div");
     div.classList.add("header");
-    let timestamp = avatarTimestamps.get(sessionId);
     let avatar;
     if (typeof sessionId === "undefined") {
-        avatar = generateSelfAvatar(timestamp);
+        avatar = generateSelfAvatar(avatarTimestamps.get("self"));
     } else {
-        avatar = generateAvatar(sessionId, name, timestamp);
+        avatar = generateAvatar(sessionId, name, avatarTimestamps.get(sessionId));
     }
     div.appendChild(avatar);
     div.appendChild(p);

src/identity.rs

@@ -113,9 +113,15 @@ impl Identity {
         db.execute(&format!("UPDATE {} SET name=?1 WHERE uuid=?2", CONTACTS_TABLE), [encrypted_name.as_slice(), uuid.as_bytes()])
     }
 
-    pub fn set_contact_avatar(&self, contact_uuid: &Uuid, avatar_uuid: &Uuid) -> Result<usize, rusqlite::Error> {
+    pub fn set_contact_avatar(&self, contact_uuid: &Uuid, avatar_uuid: Option<&Uuid>) -> Result<usize, rusqlite::Error> {
         let db = Connection::open(get_database_path())?;
-        db.execute(&format!("UPDATE {} SET avatar=?1 WHERE uuid=?2", CONTACTS_TABLE), params![&avatar_uuid.as_bytes()[..], &contact_uuid.as_bytes()[..]])
+        match avatar_uuid {
+            Some(avatar_uuid) => db.execute(&format!("UPDATE {} SET avatar=?1 WHERE uuid=?2", CONTACTS_TABLE), params![&avatar_uuid.as_bytes()[..], &contact_uuid.as_bytes()[..]]),
+            None => {
+                db.execute(&format!("DELETE FROM {} WHERE uuid=(SELECT avatar FROM {} WHERE uuid=?)", AVATARS_TABLE, CONTACTS_TABLE), params![&contact_uuid.as_bytes()[..]])?;
+                db.execute(&format!("UPDATE {} SET avatar=NULL WHERE uuid=?", CONTACTS_TABLE), params![&contact_uuid.as_bytes()[..]])
+            }
+        }
     }
 
     pub fn set_contact_seen(&self, uuid: &Uuid, seen: bool) -> Result<usize, rusqlite::Error> {
@@ -473,6 +479,11 @@ impl Identity {
         db.upsert(DBKeys::AVATAR, avatar)
     }
 
+    pub fn remove_identity_avatar() -> Result<usize, rusqlite::Error> {
+        let db = KeyValueTable::new(&get_database_path(), MAIN_TABLE)?;
+        db.del(DBKeys::AVATAR)
+    }
+
     pub fn get_identity_avatar() -> Result<Vec<u8>, rusqlite::Error> {
         let db = KeyValueTable::new(&get_database_path(), MAIN_TABLE)?;
         db.get(DBKeys::AVATAR)

src/key_value_table.rs

@@ -22,9 +22,9 @@ impl<'a> KeyValueTable<'a> {
             None => Err(rusqlite::Error::QueryReturnedNoRows)
         }
     }
-    /*pub fn del(&self, key: &str) -> Result<usize, Error> {
+    pub fn del(&self, key: &str) -> Result<usize, Error> {
-        self.db.execute(&format!("DELETE FROM {} WHERE key=\"{}\"", self.table_name, key), NO_PARAMS)
+        self.db.execute(&format!("DELETE FROM {} WHERE key=\"{}\"", self.table_name, key), [])
-    }*/
+    }
     pub fn update(&self, key: &str, value: &[u8]) -> Result<usize, Error> {
         self.db.execute(&format!("UPDATE {} SET value=? WHERE key=\"{}\"", self.table_name, key), params![value])
     }

src/main.rs

@@ -231,6 +231,12 @@ async fn websocket_worker(mut ui_connection: UiConnection, global_vars: Arc<RwLo
                                         buff: protocol::ask_profile_info()
                                     }).await;
                                 }
+                                "remove_avatar" => {
+                                    match session_manager.remove_avatar().await {
+                                        Ok(_) => ui_connection.on_avatar_changed(None),
+                                        Err(e) => print_error!(e)
+                                    }
+                                }
                                 "set_use_padding" => {
                                     let use_padding: bool = args[1].parse().unwrap();
                                     if let Err(e) = session_manager.identity.write().unwrap().as_mut().unwrap().set_use_padding(use_padding) {
@@ -240,9 +246,7 @@ async fn websocket_worker(mut ui_connection: UiConnection, global_vars: Arc<RwLo
                                 "change_name" => {
                                     let new_name = &msg[args[0].len()+1..];
                                     match session_manager.change_name(new_name.to_string()).await {
-                                        Ok(_) => {
+                                        Ok(_) => ui_connection.set_name(new_name),
-                                            ui_connection.set_name(new_name)
-                                        }
                                         Err(e) => print_error!(e)
                                     };
                                 }

src/protocol.rs

@@ -9,11 +9,12 @@ impl Headers {
     pub const ASK_PROFILE_INFO: u8 = 0x02;
     pub const NAME: u8 = 0x03;
     pub const AVATAR: u8 = 0x04;
-    pub const ASK_LARGE_FILES: u8 = 0x05;
+    pub const REMOVE_AVATAR: u8 = 0x05;
-    pub const ACCEPT_LARGE_FILES: u8 = 0x06;
+    pub const ASK_LARGE_FILES: u8 = 0x06;
-    pub const LARGE_FILE_CHUNK: u8 = 0x07;
+    pub const ACCEPT_LARGE_FILES: u8 = 0x07;
-    pub const ACK_CHUNK: u8 = 0x08;
+    pub const LARGE_FILE_CHUNK: u8 = 0x08;
-    pub const ABORT_FILES_TRANSFER: u8 = 0x09;
+    pub const ACK_CHUNK: u8 = 0x09;
+    pub const ABORT_FILES_TRANSFER: u8 = 0x0a;
 }
 
 pub fn new_message(message: String) -> Vec<u8> {
@@ -84,4 +85,8 @@ pub fn parse_ask_files(buffer: &[u8]) -> Option<Vec<(u64, String)>> {
 
 pub fn avatar(avatar: &[u8]) -> Vec<u8> {
     [&[Headers::AVATAR], avatar].concat()
+}
+
+pub fn remove_avatar() -> Vec<u8> {
+    vec![Headers::REMOVE_AVATAR]
 }

src/session_manager.rs

@@ -136,6 +136,21 @@ impl SessionManager {
         self.not_seen.write().unwrap().retain(|x| x != session_id);
     }
 
+    fn set_avatar_uuid(&self, session_id: &usize, avatar_uuid: Option<Uuid>) {
+        let mut loaded_contacts = self.loaded_contacts.write().unwrap();
+        if let Some(contact) = loaded_contacts.get_mut(session_id) {
+            contact.avatar = avatar_uuid;
+            if let Err(e) = self.identity.read().unwrap().as_ref().unwrap().set_contact_avatar(&contact.uuid, avatar_uuid.as_ref()) {
+                print_error!(e);
+            }
+        } else {
+            self.sessions.write().unwrap().get_mut(session_id).unwrap().avatar = avatar_uuid;
+        }
+        self.with_ui_connection(|ui_connection| {
+            ui_connection.on_avatar_changed(Some(session_id));
+        });
+    }
+
     async fn send_msg(&self, session_id: usize, session_write: &mut SessionWriteHalf, buff: &[u8], is_sending: &mut bool, file_ack_sender: &mut Option<Sender<bool>>) -> Result<(), PsecError> {
         self.encrypt_and_send(session_write, &buff).await?;
         if buff[0] == protocol::Headers::ACCEPT_LARGE_FILES {
@@ -342,23 +357,8 @@ impl SessionManager {
                                         match image::load_from_memory(&buffer[1..]) {
                                             Ok(image) => {
                                                 drop(image);
-                                                let identity_opt = self.identity.read().unwrap();
+                                                match self.identity.read().unwrap().as_ref().unwrap().store_avatar(&buffer[1..]) {
-                                                let identity = identity_opt.as_ref().unwrap();
+                                                    Ok(avatar_uuid) => self.set_avatar_uuid(&session_id, Some(avatar_uuid)),
-                                                match identity.store_avatar(&buffer[1..]) {
-                                                    Ok(avatar_uuid) => {
-                                                        let mut loaded_contacts = self.loaded_contacts.write().unwrap();
-                                                        if let Some(contact) = loaded_contacts.get_mut(&session_id) {
-                                                            contact.avatar = Some(avatar_uuid);
-                                                            if let Err(e) = identity.set_contact_avatar(&contact.uuid, &avatar_uuid) {
-                                                                print_error!(e);
-                                                            }
-                                                        } else {
-                                                            self.sessions.write().unwrap().get_mut(&session_id).unwrap().avatar = Some(avatar_uuid);
-                                                        }
-                                                        self.with_ui_connection(|ui_connection| {
-                                                            ui_connection.on_avatar_set(&session_id);
-                                                        });
-                                                    }
                                                     Err(e) => print_error!(e)
                                                 }
                                             }
@@ -366,6 +366,7 @@ impl SessionManager {
                                         }
                                     }
                                 }
+                                protocol::Headers::REMOVE_AVATAR => self.set_avatar_uuid(&session_id, None),
                                 _ => {
                                     let header = buffer[0];
                                     let buffer = match header {
@@ -691,6 +692,18 @@ impl SessionManager {
         Ok(())
     }
 
+    #[allow(unused_must_use)]
+    pub async fn remove_avatar(&self) -> Result<(), rusqlite::Error> {
+        Identity::remove_identity_avatar()?;
+        let avatar_msg = protocol::remove_avatar();
+        for sender in self.get_all_senders().into_iter() {
+            sender.send(SessionCommand::Send {
+                buff: avatar_msg.clone()
+            }).await;
+        }
+        Ok(())
+    }
+
     #[allow(unused_must_use)]
     pub async fn change_name(&self, new_name: String) -> Result<usize, rusqlite::Error> {
         let telling_name = protocol::name(&new_name);

src/ui_interface.rs

@@ -112,8 +112,11 @@ mod ui_messages {
     pub fn on_name_told(session_id: &usize, name: &str) -> Message {
         Message::from(format!("name_told {} {}", session_id, name))
     }
-    pub fn on_avatar_set(session_id: &usize) -> Message {
+    pub fn on_avatar_changed(session_id: Option<&usize>) -> Message {
-        simple_event("avatar_set", session_id)
+        match session_id {
+            Some(session_id) => simple_event("avatar_changed", session_id),
+            None => Message::from("avatar_changed self")
+        }
     }
     pub fn set_as_contact(session_id: usize, name: &str, verified: bool, fingerprint: &str) -> Message {
         Message::from(format!("is_contact {} {} {} {}", session_id, verified, fingerprint, name))
@@ -182,8 +185,8 @@ impl UiConnection {
     pub fn on_name_told(&mut self, session_id: &usize, name: &str) {
         self.write_message(ui_messages::on_name_told(session_id, name));
     }
-    pub fn on_avatar_set(&mut self, session_id: &usize) {
+    pub fn on_avatar_changed(&mut self, session_id: Option<&usize>) {
-        self.write_message(ui_messages::on_avatar_set(session_id));
+        self.write_message(ui_messages::on_avatar_changed(session_id));
     }
 
     pub fn inc_files_transfer(&mut self, session_id: &usize, chunk_size: u64) {