From f8d89eb8e6f048de2530a279373f22eb410ec05f Mon Sep 17 00:00:00 2001
From: Fornax <wim@fornaxian.tech>
Date: Mon, 28 Feb 2022 16:57:54 +0100
Subject: [PATCH] Explain rate limits on download page

---
 .../file_viewer/viewers/FilePreview.svelte    |  6 +-
 .../src/file_viewer/viewers/RateLimit.svelte  | 72 +++++++++++++++----
 2 files changed, 62 insertions(+), 16 deletions(-)

diff --git a/svelte/src/file_viewer/viewers/FilePreview.svelte b/svelte/src/file_viewer/viewers/FilePreview.svelte
index 9adf746..16b10d8 100644
--- a/svelte/src/file_viewer/viewers/FilePreview.svelte
+++ b/svelte/src/file_viewer/viewers/FilePreview.svelte
@@ -21,7 +21,11 @@ export const set_file = async file => {
 		return
 	} else if (file.abuse_type !== "") {
 		viewer_type = "abuse"
-	} else if (file.availability === "file_rate_limited_captcha_required") {
+	} else if (
+		file.availability !== "file_rate_limited_captcha_required" ||
+		file.availability !== "ip_download_limited_captcha_required" ||
+		file.availability !== "ip_transfer_limited_captcha_required"
+	) {
 		viewer_type = "rate_limit"
 	} else {
 		viewer_type = file_type(file)
diff --git a/svelte/src/file_viewer/viewers/RateLimit.svelte b/svelte/src/file_viewer/viewers/RateLimit.svelte
index 40c7c9f..98addd3 100644
--- a/svelte/src/file_viewer/viewers/RateLimit.svelte
+++ b/svelte/src/file_viewer/viewers/RateLimit.svelte
@@ -1,5 +1,6 @@
 <script>
-import { createEventDispatcher } from "svelte";
+import { createEventDispatcher, onMount } from "svelte";
+import { formatDataVolume } from "../../util/Formatting.svelte";
 import LargeFileMessage from "./LargeFileMessage.svelte";
 import TextBlock from "./TextBlock.svelte";
 let dispatch = createEventDispatcher()
@@ -8,24 +9,65 @@ export const set_file = f => file = f
 let file = {
 	name: "",
 	mime_type: "",
+	availability: "",
 }
+
+let limits = {
+	download_limit: 1000,
+	download_limit_used: 0,
+	transfer_limit: 50e9,
+	transfer_limit_used: 0,
+}
+onMount(async () => {
+	try {
+		let resp = await fetch(window.api_endpoint+"/misc/rate_limits")
+		if(resp.status >= 400) {
+			throw new Error(await resp.text())
+		}
+		limits = await resp.json()
+	} catch (err) {
+		alert("Failed to get rate limits: "+err)
+	}
+})
 </script>
 
 <TextBlock width="800px">
-	<h1>
-		<i class="icon">file_download_off</i>
-		Hotlink protection enabled
-	</h1>
-
-	<p>
-		Hotlinking protection has been enabled for this file. This happens when
-		a file is downloaded many times outside of our file viewer page (this
-		page). Usually this means people are using download managers like
-		JDownloader 2, Aria2 or wget. Using a download manager circumvents
-		pixeldrain's advertisements and we lose money because of that. More
-		information about this protection mechanism can be found on <a
-		href="/#hotlinking">the home page</a>.
-	</p>
+	{#if file.availability === "file_rate_limited_captcha_required"}
+		<h1>
+			<i class="icon">file_download_off</i>
+			Hotlink protection enabled
+		</h1>
+		<p>
+			Hotlinking protection has been enabled for this file. This happens when
+			a file is downloaded many times outside of our file viewer page (this
+			page). Usually this means people are using download managers like
+			JDownloader 2, Aria2 or wget. Using a download manager circumvents
+			pixeldrain's advertisements and we lose money because of that. More
+			information about this protection mechanism can be found on <a
+			href="/#hotlinking">the home page</a>.
+		</p>
+	{:else if
+		file.availability === "ip_download_limited_captcha_required" ||
+		file.availability === "ip_transfer_limited_captcha_required"
+	}
+		<h1>
+			<i class="icon">file_download_off</i>
+			Download limit reached
+		</h1>
+		<p>
+			You have reached your download limit for today. People without a
+			pixeldrain account are limited to downloading
+			{limits.download_limit} files or
+			{formatDataVolume(limits.transfer_limit, 3)} per day. This limit is
+			counted per IP address, so if you're on a shared network it's
+			possible that others have also contributed to this limit.
+		</p>
+		<p>
+			In the last 24 hours you have downloaded
+			{limits.download_limit_used} files and used
+			{formatDataVolume(limits.transfer_limit_used, 3)} bandwidth.
+		</p>
+	{/if}
 	<p>
 		This warning disappears when the you are a
 		<a href="https://www.patreon.com/join/pixeldrain/checkout?rid=5291427&cadence=12" target="_blank">Patreon supporter</a>,