README.md

@@ -34,9 +34,9 @@ Carbon is currently _technically_ usable as a chat app, but is very
 early in development. These important features still need to be
 implemented:
 
-- Login GUI
 - Unreads
 - Chat history
+- Typing indicators
 - Formatting
 - Emojis
 - Reactions

package-lock.json

@@ -1,5 +1,5 @@
 {
-  "name": "cosc212-assignment-1",
+  "name": "carbon",
   "version": "1.0.0",
   "lockfileVersion": 1,
   "requires": true,

spec.js

@@ -2,121 +2,136 @@ module.exports = [
 	{
 		type: "file",
 		source: "/assets/fonts/whitney-500.woff",
-		target: "/static/whitney-500.woff"
+		target: "/static/whitney-500.woff",
 	},
 	{
 		type: "file",
 		source: "/assets/fonts/whitney-400.woff",
-		target: "/static/whitney-400.woff"
+		target: "/static/whitney-400.woff",
+	},
+	{
+		type: "js",
+		source: "/js/main.js",
+		target: "/static/main.js",
 	},
 	{
 		type: "js",
 		source: "/js/basic.js",
-		target: "/static/basic.js"
+		target: "/static/basic.js",
 	},
 	{
 		type: "js",
 		source: "/js/groups.js",
-		target: "/static/groups.js"
+		target: "/static/groups.js",
 	},
 	{
 		type: "js",
 		source: "/js/chat-input.js",
-		target: "/static/chat-input.js"
+		target: "/static/chat-input.js",
 	},
 	{
 		type: "js",
 		source: "/js/room-picker.js",
-		target: "/static/room-picker.js"
+		target: "/static/room-picker.js",
 	},
 	{
 		type: "js",
 		source: "/js/store/store.js",
-		target: "/static/store/store.js"
+		target: "/static/store/store.js",
 	},
 	{
 		type: "js",
 		source: "/js/store/Subscribable.js",
-		target: "/static/store/Subscribable.js"
+		target: "/static/store/Subscribable.js",
 	},
 	{
 		type: "js",
 		source: "/js/store/SubscribeValue.js",
-		target: "/static/store/SubscribeValue.js"
+		target: "/static/store/SubscribeValue.js",
 	},
 	{
 		type: "js",
 		source: "/js/store/SubscribeMapList.js",
-		target: "/static/store/SubscribeMapList.js"
+		target: "/static/store/SubscribeMapList.js",
 	},
 	{
 		type: "js",
 		source: "/js/store/SubscribeSet.js",
-		target: "/static/store/SubscribeSet.js"
+		target: "/static/store/SubscribeSet.js",
 	},
 	{
 		type: "js",
 		source: "/js/sync/sync.js",
-		target: "/static/sync/sync.js"
+		target: "/static/sync/sync.js",
 	},
 	{
 		type: "js",
 		source: "/js/lsm.js",
-		target: "/static/lsm.js"
+		target: "/static/lsm.js",
 	},
 	{
 		type: "js",
 		source: "/js/Timeline.js",
-		target: "/static/Timeline.js"
+		target: "/static/Timeline.js",
 	},
 	{
 		type: "js",
 		source: "/js/Anchor.js",
-		target: "/static/Anchor.js"
+		target: "/static/Anchor.js",
 	},
 	{
 		type: "js",
 		source: "/js/chat.js",
-		target: "/static/chat.js"
+		target: "/static/chat.js",
 	},
 	{
 		type: "js",
 		source: "/js/functions.js",
-		target: "/static/functions.js"
+		target: "/static/functions.js",
+	},
+	{
+		type: "js",
+		source: "/js/login.js",
+		target: "/static/login.js",
 	},
 	{
 		type: "file",
 		source: "/assets/fonts/whitney-500.woff",
-		target: "/static/whitney-500.woff"
+		target: "/static/whitney-500.woff",
 	},
 	{
 		type: "file",
 		source: "/assets/icons/directs.svg",
-		target: "/static/directs.svg"
+		target: "/static/directs.svg",
 	},
 	{
 		type: "file",
 		source: "/assets/icons/channels.svg",
-		target: "/static/channels.svg"
+		target: "/static/channels.svg",
 	},
 	{
 		type: "file",
 		source: "/assets/icons/join-event.svg",
-		target: "/static/join-event.svg"
+		target: "/static/join-event.svg",
 	},
 	{
 		type: "sass",
 		source: "/sass/main.sass",
-		target: "/static/main.css"
+		target: "/static/main.css",
+	},
+	{
+		type: "sass",
+		source: "/sass/login.sass",
+		target: "/static/login.css",
 	},
 	{
 		type: "pug",
 		source: "/home.pug",
-		target: "/index.html"
+		target: "/index.html",
 	},
 	{
 		type: "pug",
 		source: "/login.pug",
-		target: "/login.html"
-	}
-]
+		target: "/login/index.html",
+	},
+];

src/home.pug

@@ -33,18 +33,14 @@ doctype html
 html
   head
     meta(charset="utf-8")
+    title Carbon
     // var static = !{JSON.stringify([...static.entries()].reduce((a, c) => (a[c[0]] = getRelative(c[1]), a), {}))}
     script
       | var staticFiles = new Map(
       != JSON.stringify([...static.keys()].map(k => [k, getStatic(k)]))
       | )
     link(rel="stylesheet" type="text/css" href=getStatic("/sass/main.sass"))
-    script(type="module" src=getStatic("/js/groups.js"))
-    script(type="module" src=getStatic("/js/chat-input.js"))
-    script(type="module" src=getStatic("/js/room-picker.js"))
-    script(type="module" src=getStatic("/js/sync/sync.js"))
-    script(type="module" src=getStatic("/js/chat.js"))
-    title Carbon
+    script(type="module" src=getStatic("/js/main.js"))
   body
     main.main
       .c-groups
@@ -56,4 +52,4 @@ html
         .c-chat__messages#c-chat-messages
           .c-chat__inner#c-chat
         .c-chat-input
-          textarea(placeholder="Send a message..." autocomplete="off").c-chat-input__textarea#c-chat-textarea
+          textarea(placeholder="Send a message..." autocomplete="off").c-chat-input__textarea#c-chat-textarea

src/js/Timeline.js

@@ -81,6 +81,8 @@ class Event extends ElemJS {
 			} else {
 				this.child(ejs("i").text("left the room"))
 			}
+		} else if (this.data.type === "m.room.encrypted") {
+			this.child(ejs("i").text("Carbon does not yet support encrypted messages."))
 		} else {
 			this.child(ejs("i").text(`Unsupported event type ${this.data.type}`))
 		}
@@ -282,7 +284,6 @@ class Timeline extends Subscribable {
 				if (eventData.type === "m.room.message" && eventData.content["m.relates_to"] && eventData.content["m.relates_to"].rel_type === "m.replace") {
 					const replaces = eventData.content["m.relates_to"].event_id
 					if (this.map.has(replaces)) {
-						console.log(eventData)
 						const event = this.map.get(replaces)
 						event.data.content = eventData.content["m.new_content"]
 						event.setEdited(eventData.origin_server_ts)

src/js/login.js

@@ -0,0 +1,148 @@
+import {q, ElemJS, ejs} from $to_relative "/js/basic.js"
+
+const password = q("#password")
+const homeserver = q("#homeserver")
+
+class Username extends ElemJS {
+	constructor() {
+		super(q("#username"))
+
+		this.on("change", this.updateServer.bind(this))
+	}
+
+	isValid() {
+		return !!this.element.value.match(/^@?[a-z0-9._=\/-]+(?::[a-zA-Z0-9.:\[\]-]+)?$/)
+	}
+
+	getUsername() {
+		return this.element.value.match(/^@?([a-z0-9._=\/-]+)/)[1]
+	}
+
+	getServer() {
+		const server = this.element.value.match(/^@?[a-z0-9._=\?-]+:([a-zA-Z0-9.:\[\]-]+)$/)
+		if (server && server[1]) return server[1]
+		else return null
+	}
+
+	updateServer() {
+		if (!this.isValid()) return
+		if (this.getServer()) homeserver.value = this.getServer()
+	}
+}
+
+const username = new Username()
+
+class Feedback extends ElemJS {
+	constructor() {
+		super(q("#feedback"))
+		this.loading = false
+		this.loadingIcon = ejs("span").class("loading-icon")
+		this.messageSpan = ejs("span")
+		this.child(this.messageSpan)
+	}
+
+	setLoading(state) {
+		if (this.loading && !state) {
+			this.loadingIcon.remove()
+		} else if (!this.loading && state) {
+			this.childAt(0, this.loadingIcon)
+		}
+		this.loading = state
+	}
+
+	message(content) {
+		if (content) {
+			this.class("form-feedback")
+		} else {
+			this.removeClass("form-feedback")
+		}
+		this.messageSpan.text(content)
+	}
+}
+
+const feedback = new Feedback()
+
+class Form extends ElemJS {
+	constructor() {
+		super(q("#form"))
+
+		this.processing = false
+
+		this.on("submit", this.submit.bind(this))
+	}
+
+	async submit() {
+		if (this.processing) return
+		this.processing = true
+		if (!username.isValid()) return this.cancel("Username is not valid.")
+
+		// Resolve homeserver address
+		let currentAddress = homeserver.value
+		let ok = false
+		while (!ok) {
+			if (!currentAddress.match(/^https?:\/\//)) currentAddress = "https://" + currentAddress
+			currentAddress = currentAddress.replace(/\/*$/, "")
+			this.status(`Looking up homeserver... trying ${currentAddress}`)
+			try {
+				// check if we found the actual matrix server
+				try {
+					const versions = await fetch(`${currentAddress}/_matrix/client/versions`).then(res => res.json())
+					if (Array.isArray(versions.versions)) {
+						ok = true
+						break
+					}
+				} catch (e) {}
+				// find the next matrix server in the chain
+				const root = await fetch(`${currentAddress}/.well-known/matrix/client`).then(res => res.json())
+				let nextAddress = root["m.homeserver"].base_url
+				nextAddress = nextAddress.replace(/\/*$/, "")
+				if (currentAddress === nextAddress) {
+					ok = true
+				}
+				currentAddress = nextAddress
+			} catch (e) {
+				return this.cancel(`Failed to look up server ${currentAddress}`)
+			}
+		}
+
+		// Request access token
+		this.status("Logging in...")
+		const root = await fetch(`${currentAddress}/_matrix/client/r0/login`, {
+			method: "POST",
+			body: JSON.stringify({
+				type: "m.login.password",
+				user: username.getUsername(),
+				password: password.value
+			})
+		}).then(res => res.json())
+
+		if (!root.access_token) {
+			if (root.error) {
+				this.cancel(`Server said: ${root.error}`)
+			} else {
+				this.cancel("Login mysteriously failed.")
+				console.error(root)
+			}
+			return
+		}
+
+		localStorage.setItem("mx_user_id", root.user_id)
+		localStorage.setItem("domain", currentAddress)
+		localStorage.setItem("access_token", root.access_token)
+
+		location.assign("./")
+	}
+
+	status(message) {
+		feedback.setLoading(true)
+		feedback.message(message)
+	}
+
+	cancel(message) {
+		this.processing = false
+		feedback.setLoading(false)
+		feedback.message(message)
+	}
+}
+
+const form = new Form()

src/js/main.js

@@ -0,0 +1,9 @@
+import $to_relative "/js/groups.js"
+import $to_relative "/js/chat-input.js"
+import $to_relative "/js/room-picker.js"
+import $to_relative "/js/sync/sync.js"
+import $to_relative "/js/chat.js"
+
+if (!localStorage.getItem("access_token")) {
+	location.assign("./login")
+}

src/js/room-picker.js

@@ -108,10 +108,12 @@ class Room extends ElemJS {
 	getIcon() {
 		const avatar = this.data.state.events.find(e => e.type === "m.room.avatar")
 		if (avatar) {
-			return resolveMxc(avatar.content.url || avatar.content.avatar_url, 32, "crop")
-		} else {
-			return null
+			const url = avatar.content.url || avatar.content.avatar_url
+			if (url) {
+				return resolveMxc(url, 32, "crop")
+			}
 		}
+		return null
 	}
 
 	isDirect() {

src/js/sync/sync.js

@@ -121,4 +121,6 @@ function syncLoop() {
 
 store.activeGroup.set(store.groups.get("directs").value())
 
-syncLoop()
+if (lsm.get("access_token")) {
+	syncLoop()
+}

src/login.pug

@@ -1,21 +1,32 @@
 doctype html
 html
-	head
-		meta(charset="utf-8")
-		link(rel="stylesheet" type="text/css" href=getStatic("/sass/main.sass"))
-		title Carbon
-	body
-		main.main
-			form
-				div
-					label(for="login") Username
-					input(type="text" name="login" autocomplete="username" placeholder="example:matrix.org" required)#login
-				div
-					label(for="password") Password
-					input(type="text" name="password" autocomplete="current-password" required)#password
-				div
+  head
+    meta(charset="utf-8")
+    title Carbon
+    meta(name="viewport" content="width=device-width, initial-scale=1")
+    link(rel="stylesheet" type="text/css" href=getStatic("/sass/login.sass"))
+    script(type="module" src=getStatic("/js/login.js"))
+
+  body
+    main.main
+      .center-login-container
+        h1 Welcome to Carbon!
+        form.login-form(method="post" onsubmit="return false")#form
+          .data-input
+            .form-input-container
+              label(for="username") Username
+              input(type="text" name="username" autocomplete="username" placeholder="@username:server.tld" pattern="^@?[a-z0-9._=/-]+(?::[a-zA-Z0-9.:\\[\\]-]+)?$" required)#username
+
+            .form-input-container
+              label(for="password") Password
+              input(name="password" autocomplete="current-password" type="password" required)#password
+
+            .form-input-container
+              label(for="homeserver") Homeserver
+              input(type="text" name="homeserver" value="matrix.org" placeholder="matrix.org" required)#homeserver
+
+          #feedback
+
+          .form-input-container
+            input(type="submit" value="Log in")#submit
 
-					label(for="homeserver") Homeserver
-					input(type="text" name="homeserver" value="matrix.org" required)#homeserver
-				div
-					input(type="submit" value="Login")

src/sass/components/groups.sass

@@ -33,6 +33,7 @@ $out-width: $base-width + rooms.$list-width
   &__container
     width: $out-width
     padding: $icon-padding
+    box-sizing: border-box
 
 .c-group
   display: flex

src/sass/login.sass

@@ -0,0 +1,81 @@
+@use "./base"
+@use "./colors.sass" as c
+
+.main
+  justify-content: center
+  align-items: center
+
+.center-login-container
+  display: flex
+  flex-flow: column
+  justify-content: center
+  align-items: center
+  width: min(100vw, 450px)
+  padding: max(1rem,3vw) 2rem
+  margin: 8px
+  box-shadow: 0px 2px 10px c.$darkest
+  background-color: c.$darker
+  border-radius: 5px
+
+.login-form
+  align-items: center
+  flex: 1 1 auto
+  width: 100%
+  display: flex
+  justify-content: space-around
+  flex-flow: column
+
+.data-input
+  width: 100%
+
+.form-input-container
+  width: 100%
+  display: flex
+  flex-direction: column
+  margin: 1em 0
+
+.form-feedback
+  width: 100%
+  margin: -0.5em 0 -0.8em
+
+@keyframes spin
+  0%
+    transform: rotate(0deg)
+  100%
+    transform: rotate(180deg)
+
+.loading-icon
+  display: inline-block
+  background-color: #ccc
+  width: 12px
+  height: 12px
+  margin-right: 6px
+  animation: spin 0.7s infinite
+
+input, button
+  font-family: inherit
+  font-size: 17px
+  background-color: c.$mild
+  color: #eee
+  width: 100%
+  border-radius: 5px
+  box-sizing: border-box
+  transition: background-color 0.15s ease-out, border-color 0.15s ease-out
+  padding: 4px 9px
+  border: 0px
+
+input[type="text"],input[type="password"]
+  border: 3px solid transparent
+  margin: 0.4em 0px
+
+  &:hover, &:focus
+    border-color: c.$milder
+
+button, input[type="submit"]
+  padding: 7px
+
+  &:hover
+    background-color: c.$milder
+
+label
+  font-size: 18px