Merge pull request 'Add fallback avatar and guild icons' (#41) from fallback-server-icons into main

Reviewed-on: #41

app.vue

@@ -65,7 +65,7 @@ useHead({
 <style>
 html,
 body {
-  font-family: Arial, Helvetica, sans-serif;
+  font-family: var(--preferred-font), Arial, Helvetica, sans-serif;
   box-sizing: border-box;
   color: var(--text-color);
 	background: var(--optional-body-background);

components/Avatar.vue

@@ -0,0 +1,46 @@
+<template>
+	<NuxtImg v-if="displayAvatar" 
+		class="display-avatar"
+		:src="displayAvatar"
+		:alt="displayName" />
+	<Icon v-else
+		name="lucide:user"
+		:alt="displayName" />
+</template>
+
+<script lang="ts" setup>
+import { NuxtImg } from '#components';
+import type { GuildMemberResponse, UserResponse } from '~/types/interfaces';
+
+const props = defineProps<{
+	user?: UserResponse,
+	member?: GuildMemberResponse,
+}>();
+
+
+let displayName: string
+let displayAvatar: string | null
+
+const user = props.user || props.member?.user
+
+if (user) {
+	displayName = props.member?.nickname
+						|| user.display_name
+						|| user.username
+	
+	if (user.avatar) {
+		displayAvatar = user.avatar
+	} else if (!isCanvasBlocked()){
+		displayAvatar = generateDefaultIcon(displayName, user.uuid)
+	} else {
+		displayAvatar = null
+	}
+}
+
+</script>
+
+<style scoped>
+.display-avatar {
+	border-radius: var(--pfp-radius);
+}
+</style>

components/Guild/MemberEntry.vue

@@ -1,7 +1,6 @@
 <template>
     <div class="member-item" @click="togglePopup" @blur="hidePopup" tabindex="0">
-        <img v-if="props.member.user.avatar" class="member-avatar" :src="props.member.user.avatar" :alt="props.member.user.display_name ?? props.member.user.username" />
-        <Icon v-else class="member-avatar" name="lucide:user" />
+        <Avatar :member="props.member" class="member-avatar"/>
         <span class="member-display-name">{{ props.member.user.display_name || props.member.user.username }}</span>
         <UserPopup v-if="isPopupVisible" :user="props.member.user" id="profile-popup" />
     </div>

components/Me/DirectMessagesSidebar.vue

@@ -13,7 +13,7 @@
 			<VerticalSpacer />
 			
 			<div id="direct-message-list">
-				<UserEntry v-for="user of friends" :user="user" :name="user.display_name || user.username"
+				<UserEntry v-for="user of friends" :user="user"
 						:href="`/me/${user.uuid}`"/> 
 			</div>
 		</div>

components/Message.vue

@@ -8,14 +8,10 @@
 				viewBox="0 0 150 87.5" version="1.1" id="svg1"
 				style="overflow: visible;">
 				<defs id="defs1" />
-				<defs
-					id="defs1" />
-				<g
-					id="layer1"
+				<g id="layer1"
 					transform="translate(40,-35)">
-					<g
-					id="g3"
-					transform="translate(-35,-20)">
+					<g id="g3"
+						transform="translate(-35,-20)">
 					<path
 						style="stroke:var(--reply-text-color);stroke-width:8;stroke-opacity:1"
 						d="m 120.02168,87.850978 100.76157,2.4e-5"
@@ -28,16 +24,17 @@
 				</g>
 			</svg>
 		</div>
-		<MessageReply v-if="props.replyMessage" :author="props.replyMessage.user.display_name || props.replyMessage.user.username" :text="props.replyMessage?.message"
-			:id="props.message.uuid" :reply-id="props.replyMessage.uuid" max-width="reply" />
+		<MessageReply v-if="props.replyMessage" :id="props.message.uuid"
+			:author="props.replyMessage.user.display_name || props.replyMessage.user.username"
+			:text="props.replyMessage?.message"
+			:reply-id="props.replyMessage.uuid" max-width="reply" />
 		<div class="left-column">
-			<img v-if="props.img" class="message-author-avatar" :src="props.img" :alt="author?.display_name || author?.username" />
-			<Icon v-else name="lucide:user" class="message-author-avatar" />
+			<Avatar :user="props.author" class="message-author-avatar"/>
 		</div>
 		<div class="message-data">
 			<div class="message-metadata">
 				<span class="message-author-username" tabindex="0" :style="`color: ${props.authorColor}`">
-					{{ author?.display_name || author?.username }}
+					{{ displayName }}
 				</span>
 				<span class="message-date" :title="date.toString()">
 					<span v-if="getDayDifference(date, currentDate) === 1">Yesterday at</span>
@@ -81,6 +78,7 @@ const dateHidden = ref<boolean>(true);
 
 const date = new Date(props.timestamp);
 const currentDate: Date = new Date()
+const displayName = props.author?.display_name || props.author?.username
 
 console.log("[MSG] message to render:", props.message);
 console.log("author:", props.author);
@@ -225,7 +223,6 @@ function getDayDifference(date1: Date, date2: Date) {
 
 .message-author-avatar {
 	width: 100%;
-	border-radius: 50%;
 }
 
 .left-column {

components/MessageArea.vue

@@ -42,6 +42,7 @@
 <script lang="ts" setup>
 import type { MessageResponse, ScrollPosition, UserResponse } from '~/types/interfaces';
 import scrollToBottom from '~/utils/scrollToBottom';
+import { generateIrcColor } from '#imports';
 
 const props = defineProps<{ channelUrl: string, amount?: number, offset?: number }>();
 

components/User/UserEntry.vue

@@ -1,8 +1,8 @@
 <template>
     <NuxtLink class="user-item" :href="`/me/${user.uuid}`" tabindex="0">
-        <img v-if="props.user.avatar" class="user-avatar" :src="props.user.avatar" :alt="props.user.display_name ?? props.user.username" />
-        <Icon v-else class="user-avatar" name="lucide:user" />
-        <span class="user-display-name">{{ props.user.display_name || props.user.username }}</span>
+        <Avatar :user="props.user" class="user-avatar"/>
+
+        <span class="user-display-name">{{ displayName }}</span>
 	</NuxtLink>
 </template>
 
@@ -12,6 +12,8 @@ import type { UserResponse } from '~/types/interfaces';
 const props = defineProps<{
     user: UserResponse
 }>();
+
+const displayName = props.user.display_name || props.user.username
 </script>
 
 <style>
@@ -35,6 +37,5 @@ const props = defineProps<{
 .user-avatar {
     width: 2.3em;
     height: 2.3em;
-    border-radius: 50%;
 }
 </style>

components/User/UserPopup.vue

@@ -1,7 +1,6 @@
 <template>
   <div id="profile-popup">
-    <img v-if="props.user.avatar" id="avatar" :src="props.user.avatar" alt="profile avatar">
-    <Icon v-else id="avatar" name="lucide:user" />
+    <Avatar :user="props.user" id="avatar"/>
 
     <div id="cover-color"></div>
     <div id="main-body">

layouts/client.vue

@@ -18,8 +18,18 @@
 				<VerticalSpacer />
 				<div class="left-column-segment" id="left-column-middle">
 					<NuxtLink v-for="guild of guilds" :href="`/servers/${guild.uuid}`">
-						<NuxtImg v-if="guild.icon" class="sidebar-icon" :src="guild.icon" :alt="guild.name"/>
-						<Icon v-else name="lucide:server" class="sidebar-icon white" :alt="guild.name" />
+						<NuxtImg v-if="guild.icon"
+							class="sidebar-icon guild-icon"
+							:alt="guild.name"
+							:src="guild.icon" />
+						<NuxtImg v-else-if="!blockedCanvas"
+							class="sidebar-icon guild-icon"
+							:alt="guild.name"
+							:src="generateDefaultIcon(guild.name, guild.uuid)" />
+						<Icon v-else name="lucide:server"
+							:style="`color: ${generateIrcColor(guild.uuid, 50)}`"
+							class="sidebar-icon guild-icon"
+							:alt="guild.name" />
 					</NuxtLink>
 				</div>
 				<VerticalSpacer />
@@ -53,6 +63,8 @@ const createButtonContainer = ref<HTMLButtonElement>();
 
 const api = useApi();
 
+const blockedCanvas = isCanvasBlocked()
+
 const options = [
 	{ name: "Join", value: "join", callback: async () => {
 			console.log("join guild!");
@@ -206,8 +218,8 @@ function createDropdown() {
 	display: flex;
 	flex-direction: column;
 
-	padding-left: .25em;
-	padding-right: .25em;
+	padding-left: var(--sidebar-margin);
+	padding-right: var(--sidebar-margin);
 	padding-top: .5em;
 	
 	background: var(--optional-sidebar-background);
@@ -228,6 +240,7 @@ function createDropdown() {
 #left-column-middle {
 	overflow-y: scroll;
 	flex-grow: 1;
+	gap: var(--sidebar-icon-gap);
 }
 
 #middle-left-column {
@@ -241,12 +254,16 @@ function createDropdown() {
 }
 
 #home-button {
-	height: var(--sidebar-width);
+	height: var(--sidebar-icon-width);
+}
+
+.guild-icon {
+	border-radius: var(--guild-icon-radius);
 }
 
 .sidebar-icon {
-	width: var(--sidebar-width);
-	height: var(--sidebar-width);
+	width: var(--sidebar-icon-width);
+	height: var(--sidebar-icon-width);
 }
 
 .sidebar-bottom-buttons {

pages/servers/[serverId]/channels/[channelId].vue

@@ -26,7 +26,7 @@
 <script lang="ts" setup>
 import ChannelEntry from "~/components/Guild/ChannelEntry.vue";
 import GuildOptionsMenu from "~/components/Guild/GuildOptionsMenu.vue";
-import MemberEntry from "~/components/Member/MemberEntry.vue";
+import MemberEntry from "~/components/Guild/MemberEntry.vue";
 import type { ChannelResponse, GuildMemberResponse, GuildResponse, MessageResponse } from "~/types/interfaces";
 
 const route = useRoute();

public/themes/ash.css

@@ -12,15 +12,17 @@
 
     --padding-color: #e0e0e0;
 
-	--sidebar-width: 2.5em;
-	--standard-radius: .5em;
-	--button-radius: .6em;
-	--pfp-radius: 100%;
-    
 	--primary-color: #f07028;
 	--primary-highlighted-color: #f28f4b;
 	--secondary-color: #683820;
 	--secondary-highlighted-color: #885830;
 	--accent-color: #a04b24;
 	--accent-highlighted-color: #b86038;
+
+	--sidebar-width: 2.5em;
+	--standard-radius: .5em;
+	--button-radius: .6em;
+	--guild-icon-radius: 20%;
+	--pfp-radius: 50%;
+	--preferred-font: Arial;
 }

public/themes/dark.css

@@ -19,8 +19,13 @@
 	--accent-color: #b35719;
 	--accent-highlighted-color: #c76a2e;
 
-	--sidebar-width: 2.5em;
+	--sidebar-icon-width: 2.5em;
+	--sidebar-icon-gap: .25em;
+	--sidebar-margin: .5em;
+	
 	--standard-radius: .5em;
 	--button-radius: .6em;
-	--pfp-radius: 100%;
+	--guild-icon-radius: 15%;
+	--pfp-radius: 50%;
+	--preferred-font: Arial;
 }

public/themes/description.css

@@ -23,7 +23,8 @@
 	--sidebar-width: 2.5em;
 	--standard-radius: .5em;
 	--button-radius: .6em;
-	--pfp-radius: 100%;
+	--pfp-radius: 50%;
+	--preferred-font: Arial;
 
     --optional-body-background: ; /* background element for the body */
     --optional-chat-background: ; /* background element for the chat box */

public/themes/light.css

@@ -11,11 +11,6 @@
 	--chatbox-background-color: #dfdbd6;
 
     --padding-color: #484848;
-
-    --sidebar-width: 2.5em;
-	--standard-radius: .5em;
-	--button-radius: .6em;
-	--pfp-radius: 100%;
     
     --primary-color: #df5f0b;
     --primary-highlighted-color: #ef6812;
@@ -23,4 +18,10 @@
     --secondary-highlighted-color: #f8b68a;
     --accent-color: #e68b4e;
     --accent-highlighted-color: #f69254;
+
+	--sidebar-width: 2.5em;
+	--standard-radius: .5em;
+	--button-radius: .6em;
+	--pfp-radius: 50%;
+	--preferred-font: Arial;
 }

public/themes/rainbow-capitalism.css

@@ -19,10 +19,11 @@
     --accent-color: #ff218c80;
     --accent-highlighted-color: #df1b6f80;
 
-    --sidebar-width: 2.5em;
+	--sidebar-width: 2.5em;
 	--standard-radius: .5em;
 	--button-radius: .6em;
-	--pfp-radius: 100%;
+	--pfp-radius: 50%;
+	--preferred-font: Arial;
 
     /* --optional-body-background: background */
     --optional-body-background: linear-gradient(45deg, #ed222480, #ed222480, #ed222480, #ed222480, #ed222480, #ed222480, #f35b2280, #f9962180, #f5c11e80, #f1eb1b80, #f1eb1b80, #f1eb1b80, #63c72080, #0c9b4980, #21878d80, #3954a580, #61379b80, #93288e80);

types/props.ts

@@ -3,7 +3,7 @@ import type { MessageResponse, UserResponse } from "./interfaces";
 export interface MessageProps {
 	class?: string,
 	img?: string | null,
-	author?: UserResponse
+	author: UserResponse
 	text: string,
 	timestamp: number,
 	format: "12" | "24",

utils/generateDefaultIcon.ts

@@ -0,0 +1,40 @@
+export default (name: string, seed: string): string => {
+	const canvas = document.createElement("canvas");
+	const ctx = canvas.getContext("2d");
+	if (canvas && ctx) {
+		canvas.width = 256;
+		canvas.height = 256;
+
+		// get the first char from every word in the guild name
+		let previewName = "";
+		if (name.length > 3) {
+			let guildName: string[] = name.split(' ')
+			for (let i = 0; i < 3; i ++) {
+				if (guildName.length > i) {
+					previewName += guildName[i].charAt(0)
+				} else {
+					break
+				}
+			}
+		} else {
+			previewName = name
+		}
+
+		// fill background using seeded colour
+		ctx.fillStyle = generateIrcColor(seed, 50)
+		ctx.fillRect(0, 0, 256, 256)
+
+		ctx.fillStyle = 'white'
+		ctx.textAlign = 'center'
+		ctx.textBaseline = 'middle'
+		const root = document.documentElement;
+		const preferredFont = getComputedStyle(root).getPropertyValue("--preferred-font");
+		ctx.font = `bold 96px ${preferredFont}, Arial, Helvetica, sans-serif`
+		// 136 isn't actually centered, but it *looks* centered
+		ctx.fillText(previewName, 128, 136)
+
+		return canvas.toDataURL("image/png");
+	}
+
+	return "https://tenor.com/view/dame-da-ne-guy-kiryukazuma-kiryu-yakuza-yakuza-0-gif-14355451116903905918"
+}

utils/generateIrcColor.ts

@@ -5,11 +5,9 @@ let h64: CallableFunction;
 	h64 = (await xxhash()).h64;
 })();
 
-export default (seed: string): string => {
-	const lightness = 50
-	
-	// this should probably be cached eventually
-	const idHash = h64(seed)
+export default (seed: string, saturation: number = 100, lightness: number = 50): string => {
+	const idHash = useState(`h64Hash-${seed}`, () => h64(seed))
+	const hashValue: bigint = idHash.value
 
-	return `hsl(${idHash % 360n}, 100%, ${lightness}%)`
+	return `hsl(${hashValue % 360n}, ${saturation}%, ${lightness}%)`
 }

utils/isCanvasBlocked.ts

@@ -0,0 +1,50 @@
+//
+// Canvas Blocker &								  
+// Firefox privacy.resistFingerprinting Detector. 
+// (c) 2018 // JOHN OZBAY // CRYPT.EE 			  
+// MIT License
+//
+export default () => {
+	// create a 1px image data
+	var blocked = false;
+	var canvas = document.createElement("canvas");
+	var ctx = canvas.getContext("2d");
+	
+	// some blockers just return an undefined ctx. So let's check that first. 
+	if (ctx) {
+		var imageData = ctx.createImageData(1,1);
+		var originalImageData  = imageData.data;
+
+		// set pixels to RGB 128
+		originalImageData[0]=128; 
+		originalImageData[1]=128; 
+		originalImageData[2]=128; 
+		originalImageData[3]=255;
+		
+		// set this to canvas
+		ctx.putImageData(imageData,1,1); 
+		
+		try {
+			// now get the data back from canvas.
+			var checkData = ctx.getImageData(1, 1, 1, 1).data;
+
+			// If this is firefox, and privacy.resistFingerprinting is enabled,
+			// OR a browser extension blocking the canvas, 
+			// This will return RGB all white (255,255,255) instead of the (128,128,128) we put.
+
+			// so let's check the R and G to see if they're 255 or 128 (matching what we've initially set)
+			if (originalImageData[0] !== checkData[0] && originalImageData[1] !== checkData[1]) {
+				blocked = true;
+				console.log("Canvas is blocked. Will display warning.");
+			}
+		} catch (error) {
+			// some extensions will return getImageData null. this is to account for that.
+			blocked = true;
+			console.log("Canvas is blocked. Will display warning.");
+		}
+	} else {
+		blocked = true;
+		console.log("Canvas is blocked. Will display warning.");
+	}
+	return blocked;
+}