enforce limits

backend/src/config.rs

@@ -4,15 +4,15 @@ lazy_static! {
   pub static ref VERSION: String = option_env!("CARGO_PKG_VERSION")
     .unwrap_or("Unknown")
     .to_string();
-  pub static ref LIMIT: usize =
+  pub static ref LIMIT: u32 =
     Byte::from_str(std::env::var("SIZE_LIMIT").unwrap_or("1 KiB".to_string()))
       .unwrap()
-      .get_bytes() as usize;
-  pub static ref MAX_VIEWS: usize = std::env::var("MAX_VIEWS")
+      .get_bytes() as u32;
+  pub static ref MAX_VIEWS: u32 = std::env::var("MAX_VIEWS")
     .unwrap_or("100".to_string())
     .parse()
     .unwrap();
-  pub static ref MAX_EXPIRATION: usize = std::env::var("MAX_EXPIRATION")
+  pub static ref MAX_EXPIRATION: u32 = std::env::var("MAX_EXPIRATION")
     .unwrap_or("360".to_string()) // 6 hours in minutes
     .parse()
     .unwrap();

backend/src/note/model.rs

@@ -6,7 +6,7 @@ use serde::{Deserialize, Serialize};
 pub struct Note {
   pub meta: String,
   pub contents: String,
-  pub views: Option<u8>,
+  pub views: Option<u32>,
   pub expiration: Option<u32>,
 }
 

backend/src/note/routes.rs

@@ -2,6 +2,7 @@ use actix_web::{delete, get, post, web, HttpResponse, Responder, Scope};
 use serde::{Deserialize, Serialize};
 use std::time::SystemTime;
 
+use crate::config;
 use crate::note::{generate_id, Note, NoteInfo, NotePublic};
 use crate::store;
 
@@ -40,17 +41,22 @@ async fn create(note: web::Json<Note>) -> impl Responder {
   if n.views == None && n.expiration == None {
     return bad_req;
   }
+  if !*config::ALLOW_ADVANCED {
+    n.views = Some(1);
+    n.expiration = None;
+  }
   match n.views {
     Some(v) => {
-      if v > 100 {
+      if v > *config::MAX_VIEWS {
         return bad_req;
       }
+      n.expiration = None; // views overrides expiration
     }
     _ => {}
   }
   match n.expiration {
     Some(e) => {
-      if e > 360 {
+      if e > *config::MAX_EXPIRATION {
         return bad_req;
       }
       let expiration = now() + (e * 60);

backend/src/status/model.rs

@@ -3,8 +3,8 @@ use serde::{Deserialize, Serialize};
 #[derive(Serialize, Deserialize)]
 pub struct Status {
   pub version: String,
-  pub max_size: usize,
-  pub max_views: usize,
-  pub max_expiration: usize,
+  pub max_size: u32,
+  pub max_views: u32,
+  pub max_expiration: u32,
   pub allow_advanced: bool,
 }

frontend/locales/de.json

@@ -19,7 +19,8 @@
 		"new_note_notice": "<b>Verfügbarkeit:</b><br />es ist nicht garantiert, dass die Notiz gespeichert wird, da alles im Speicher gehalten wird. Wenn dieser voll ist, werden die ältesten Notizen entfernt.<br />(Sie werden wahrscheinlich keine Probleme haben, seien Sie nur gewarnt).",
 		"errors": {
 			"note_to_big": "Notiz konnte nicht erstellt werden. Notiz ist zu groß",
-			"note_error": "konnte keine Notiz erstellen. Bitte versuchen Sie es erneut."
+			"note_error": "konnte keine Notiz erstellen. Bitte versuchen Sie es erneut.",
+			"max": "max: {n}"
 		},
 		"copied_to_clipboard": "in die Zwischenablage kopiert 🔗"
 	},

frontend/locales/en.json

@@ -19,7 +19,8 @@
 		"new_note_notice": "<b>availability:</b><br />the note is not guaranteed to be stored as everything is kept in ram, if it fills up the oldest notes will be removed.<br />(you probably will be fine, just be warned.)",
 		"errors": {
 			"note_to_big": "could not create note. note is to big",
-			"note_error": "could not create note. please try again."
+			"note_error": "could not create note. please try again.",
+			"max": "max: {n}"
 		},
 		"copied_to_clipboard": "copied to clipboard 🔗"
 	},

frontend/locales/es.json

@@ -19,7 +19,8 @@
 		"new_note_notice": "<b>disponibilidad:</b><br />no se garantiza que la nota se almacene, ya que todo se guarda en la memoria RAM, si se llena se eliminarán las notas más antiguas.<br />(probablemente estará bien, sólo está advertido.)",
 		"errors": {
 			"note_to_big": "no se pudo crear la nota. la nota es demasiado grande",
-			"note_error": "No se ha podido crear la nota. Por favor, inténtelo de nuevo."
+			"note_error": "No se ha podido crear la nota. Por favor, inténtelo de nuevo.",
+			"max": "max: {n}"
 		},
 		"copied_to_clipboard": "copiado al portapapeles 🔗"
 	},

frontend/locales/fr.json

@@ -19,7 +19,8 @@
 		"new_note_notice": "<b>disponibilité :</b><br />la note n'est pas garantie d'être stockée car tout est conservé dans la mémoire vive, si elle se remplit les notes les plus anciennes seront supprimées.<br />(vous serez probablement bien, soyez juste averti.)",
 		"errors": {
 			"note_to_big": "Impossible de créer une note. La note est trop grande",
-			"note_error": "n'a pas pu créer de note. Veuillez réessayer."
+			"note_error": "n'a pas pu créer de note. Veuillez réessayer.",
+			"max": "max: {n}"
 		},
 		"copied_to_clipboard": "copié dans le presse-papiers 🔗"
 	},

frontend/locales/it.json

@@ -19,7 +19,8 @@
 		"new_note_notice": "<b>disponibilità:</b><br />la nota non è garantita per essere memorizzata come tutto è tenuto in ram, se si riempie le note più vecchie saranno rimosse.<br />(probabilmente andrà bene, basta essere avvertiti).",
 		"errors": {
 			"note_to_big": "impossibile creare una nota. la nota è troppo grande",
-			"note_error": "Impossibile creare la nota. Riprova."
+			"note_error": "Impossibile creare la nota. Riprova.",
+			"max": "max: {n}"
 		},
 		"copied_to_clipboard": "copiato negli appunti 🔗"
 	},

frontend/src/lib/ui/Switch.svelte

@@ -49,7 +49,7 @@
 		height: 2rem;
 		width: 1.25rem;
 		left: 0.125rem;
-		bottom: 0.1rem;
+		bottom: 0.125rem;
 		background-color: var(--ui-bg-1);
 		-webkit-transition: 0.4s;
 		transition: var(--ui-anim);

frontend/src/lib/ui/TextInput.svelte

@@ -1,15 +1,13 @@
 <script lang="ts">
 	import { getRandomBytes, Hex } from '$lib/crypto'
-
-	import { fade } from 'svelte/transition'
-	import { t } from 'svelte-intl-precompile'
 	import copyToClipboard from 'copy-to-clipboard'
-
+	import { t } from 'svelte-intl-precompile'
+	import { fade } from 'svelte/transition'
 	import Icon from './Icon.svelte'
 
 	export let label: string = ''
 	export let value: any
-
+	export let validate: (value: any) => boolean | string = () => true
 	export let copy: boolean = false
 	export let random: boolean = false
 
@@ -19,6 +17,8 @@
 	let notification: string | null = null
 	let notificationTimeout: NodeJS.Timeout | null = null
 
+	$: valid = validate(value)
+
 	$: if (isPassword) {
 		value
 		$$restProps.type = hidden ? initialType : 'text'
@@ -49,8 +49,11 @@
 <label>
 	<small disabled={$$restProps.disabled}>
 		{label}
+		{#if valid !== true}
+			<span class="error-text">{valid}</span>
+		{/if}
 	</small>
-	<input bind:value {...$$restProps} />
+	<input bind:value {...$$restProps} class:valid={valid === true} />
 	<div class="icons">
 		{#if isPassword}
 			<Icon class="icon" icon={hidden ? 'eye' : 'eye-off'} on:click={toggle} />
@@ -73,6 +76,10 @@
 		display: block;
 	}
 
+	label > small {
+		display: block;
+	}
+
 	input {
 		width: 100%;
 		margin: 0;
@@ -86,6 +93,10 @@
 		border-color: var(--ui-clr-primary);
 	}
 
+	input:not(.valid) {
+		border-color: var(--ui-clr-error);
+	}
+
 	.icons {
 		border: 1px red;
 		position: absolute;

frontend/src/lib/views/Create.svelte

@@ -1,14 +1,15 @@
 <script lang="ts">
 	import { create, Note, PayloadToLargeError } from '$lib/api'
 	import { encrypt, getKeyFromString, getRandomBytes, Hex } from '$lib/crypto'
+	import { status } from '$lib/stores/status'
 	import Button from '$lib/ui/Button.svelte'
 	import FileUpload from '$lib/ui/FileUpload.svelte'
 	import MaxSize from '$lib/ui/MaxSize.svelte'
 	import Switch from '$lib/ui/Switch.svelte'
 	import TextArea from '$lib/ui/TextArea.svelte'
 	import TextInput from '$lib/ui/TextInput.svelte'
-	import { blur } from 'svelte/transition'
 	import { t } from 'svelte-intl-precompile'
+	import { blur } from 'svelte/transition'
 
 	let note: Note = {
 		contents: '',
@@ -107,7 +108,9 @@
 
 			<div class="bottom">
 				<Switch class="file" label={$t('common.file')} bind:value={file} />
+				{#if $status?.allow_advanced}
 					<Switch label={$t('common.advanced')} bind:value={advanced} />
+				{/if}
 				<div class="grow" />
 				<div class="tr">
 					<small>{$t('common.max')}: <MaxSize /> </small>
@@ -138,7 +141,10 @@
 							label={$t('common.views', { values: { n: 0 } })}
 							bind:value={note.views}
 							disabled={timeExpiration}
-							max={100}
+							max={$status?.max_views}
+							validate={(v) =>
+								($status && v < $status?.max_views) ||
+								$t('home.errors.max', { values: { n: $status?.max_views ?? 0 } })}
 						/>
 						<div class="middle-switch">
 							<Switch label={$t('common.mode')} bind:value={timeExpiration} color={false} />
@@ -148,7 +154,10 @@
 							label={$t('common.minutes', { values: { n: 0 } })}
 							bind:value={note.expiration}
 							disabled={!timeExpiration}
-							max={360}
+							max={$status?.max_expiration}
+							validate={(v) =>
+								($status && v < $status?.max_expiration) ||
+								$t('home.errors.max', { values: { n: $status?.max_expiration ?? 0 } })}
 						/>
 					</div>
 				</div>