From 8f236d2759784408637ecb4f0c7a8978b97df9bb Mon Sep 17 00:00:00 2001
From: Tony <TonyRL@users.noreply.github.com>
Date: Wed, 29 Nov 2023 20:08:27 +0000
Subject: [PATCH] feat(route): authless instagram (#13920)

* feat(route): authless instagram

* docs: prefer instagram gen2 route
---
 lib/v2/instagram/templates/images.art |  10 ++-
 lib/v2/instagram/templates/video.art  |   5 +-
 lib/v2/instagram/web-api/index.js     |  32 +++++---
 lib/v2/instagram/web-api/utils.js     | 103 ++++++++++++++++++++++----
 website/docs/routes/social-media.mdx  |  40 +++++-----
 5 files changed, 141 insertions(+), 49 deletions(-)

diff --git a/lib/v2/instagram/templates/images.art b/lib/v2/instagram/templates/images.art
index 67c6654c3..3af7e6ea5 100644
--- a/lib/v2/instagram/templates/images.art
+++ b/lib/v2/instagram/templates/images.art
@@ -1,5 +1,11 @@
-{{@ summary.replace(/\n/g, '<br>') }}
+{{ if summary }}
+    {{@ summary.replace(/\n/g, '<br>') }}
+    <br>
+{{ /if }}
 
 {{ each images i }}
-<img src="{{ i.url }}" height="{{ i.height }}" width="{{ i.width }}">
+    <img src="{{ i.url }}"
+        {{ if i.height }} height="{{ i.height }}" {{ /if }}
+        {{ if i.width }} width="{{ i.width }}" {{ /if }}
+    >
 {{ /each }}
diff --git a/lib/v2/instagram/templates/video.art b/lib/v2/instagram/templates/video.art
index 62d466ec4..f89b9b5c0 100644
--- a/lib/v2/instagram/templates/video.art
+++ b/lib/v2/instagram/templates/video.art
@@ -1,4 +1,7 @@
-{{@ summary.replace(/\n/g, '<br>') }}
+{{ if summary }}
+    {{@ summary.replace(/\n/g, '<br>') }}
+    <br>
+{{ /if }}
 
 <video controls preload="none" poster="{{ image }}" width="{{ video.width }}">
     <source src="{{ video.url }}" type="video/mp4">
diff --git a/lib/v2/instagram/web-api/index.js b/lib/v2/instagram/web-api/index.js
index 658b8162a..6482f2142 100644
--- a/lib/v2/instagram/web-api/index.js
+++ b/lib/v2/instagram/web-api/index.js
@@ -1,12 +1,12 @@
 const { CookieJar } = require('tough-cookie');
 const config = require('@/config').value;
 const { renderItems } = require('../common-utils');
-const { baseUrl, COOKIE_URL, getUserInfo, getUserFeedItems, getTagsFeedItems } = require('./utils');
+const { baseUrl, COOKIE_URL, getUserInfo, getUserFeedItems, getTagsFeedItems, renderGuestItems } = require('./utils');
 
 module.exports = async (ctx) => {
-    if (!config.instagram || !config.instagram.cookie) {
-        throw Error('Instagram RSS is disabled due to the lack of <a href="https://docs.rsshub.app/install/#pei-zhi-bu-fen-rss-mo-kuai-pei-zhi">relevant config</a>');
-    }
+    // if (!config.instagram || !config.instagram.cookie) {
+    //     throw Error('Instagram RSS is disabled due to the lack of <a href="https://docs.rsshub.app/install/#pei-zhi-bu-fen-rss-mo-kuai-pei-zhi">relevant config</a>');
+    // }
     const availableCategories = ['user', 'tags'];
     const { category, key } = ctx.params;
     const { cookie } = config.instagram;
@@ -16,13 +16,18 @@ module.exports = async (ctx) => {
 
     let cookieJar = await ctx.cache.get('instagram:cookieJar');
     const cacheMiss = !cookieJar;
-    if (cacheMiss) {
-        cookieJar = new CookieJar();
-        for await (const c of cookie.split('; ')) {
-            await cookieJar.setCookie(c, COOKIE_URL);
+
+    if (cookie) {
+        if (cacheMiss) {
+            cookieJar = new CookieJar();
+            for await (const c of cookie.split('; ')) {
+                await cookieJar.setCookie(c, COOKIE_URL);
+            }
+        } else {
+            cookieJar = CookieJar.fromJSON(cookieJar);
         }
     } else {
-        cookieJar = CookieJar.fromJSON(cookieJar);
+        cookieJar = new CookieJar();
     }
 
     let feedTitle, feedLink, feedDescription, feedLogo;
@@ -39,7 +44,12 @@ module.exports = async (ctx) => {
             feedLogo = userInfo.profile_pic_url_hd ?? userInfo.hd_profile_pic_url_info?.url ?? userInfo.profile_pic_url;
             feedLink = `${baseUrl}/${username}`;
 
-            items = await getUserFeedItems(id, username, cookieJar, ctx.cache.tryGet);
+            if (cookie) {
+                items = await getUserFeedItems(id, username, cookieJar, ctx.cache.tryGet);
+            } else {
+                items = [...userInfo.edge_felix_video_timeline.edges, ...userInfo.edge_owner_to_timeline_media.edges];
+            }
+
             break;
         }
         case 'tags': {
@@ -61,7 +71,7 @@ module.exports = async (ctx) => {
         title: feedTitle,
         link: feedLink,
         description: feedDescription,
-        item: renderItems(items),
+        item: cookie ? renderItems(items) : renderGuestItems(items),
         icon: `${baseUrl}/static/images/ico/xxhdpi_launcher.png/99cf3909d459.png`,
         logo: feedLogo,
         image: feedLogo,
diff --git a/lib/v2/instagram/web-api/utils.js b/lib/v2/instagram/web-api/utils.js
index 2bf6bc474..a21b93db0 100644
--- a/lib/v2/instagram/web-api/utils.js
+++ b/lib/v2/instagram/web-api/utils.js
@@ -1,5 +1,8 @@
 const got = require('@/utils/got');
+const { parseDate } = require('@/utils/parse-date');
 const config = require('@/config').value;
+const { art } = require('@/utils/render');
+const path = require('path');
 
 const baseUrl = 'https://www.instagram.com';
 const COOKIE_URL = 'https://instagram.com';
@@ -23,23 +26,30 @@ const getUserInfo = async (username, cookieJar, cache) => {
     let userInfoCache = await cache.get(`instagram:userInfo:${id}`);
 
     if (!userInfoCache) {
-        const response = await got(`${baseUrl}/api/v1/users/web_profile_info/`, {
-            cookieJar,
-            headers: await getHeaders(cookieJar),
-            searchParams: {
-                username,
-            },
-        });
-        if (response.url.includes('/accounts/login/')) {
-            throw Error('Invalid cookie');
+        try {
+            const response = await got(`${baseUrl}/api/v1/users/web_profile_info/`, {
+                cookieJar,
+                headers: await getHeaders(cookieJar),
+                searchParams: {
+                    username,
+                },
+            });
+            if (response.url.includes('/accounts/login/')) {
+                throw Error('Invalid cookie');
+            }
+            igWwwClaim = response.headers['x-ig-set-www-claim'] || igWwwClaim;
+
+            webProfileInfo = response.data.data.user;
+            id = webProfileInfo.id;
+
+            await cache.set(`instagram:getIdByUsername:${username}`, id, 31536000); // 1 year since it will never change
+            await cache.set(`instagram:userInfo:${id}`, webProfileInfo);
+        } catch (e) {
+            if (e.message.includes("Cookie not in this host's domain")) {
+                throw Error('Invalid cookie');
+            }
+            throw e;
         }
-        igWwwClaim = response.headers['x-ig-set-www-claim'] || igWwwClaim;
-
-        webProfileInfo = response.data.data.user;
-        id = webProfileInfo.id;
-
-        await cache.set(`instagram:getIdByUsername:${username}`, id, 31536000); // 1 year since it will never change
-        await cache.set(`instagram:userInfo:${id}`, webProfileInfo);
     }
 
     userInfoCache = typeof userInfoCache === 'string' ? JSON.parse(userInfoCache) : userInfoCache;
@@ -90,10 +100,71 @@ const getTagsFeedItems = (tag, tab, cookieJar, tryGet) =>
         false
     );
 
+const renderGuestItems = (items) => {
+    const renderVideo = (node, summary) =>
+        art(path.join(__dirname, '../templates/video.art'), {
+            summary,
+            image: node.display_url,
+            video: {
+                url: node.video_url,
+                height: node.dimensions.height,
+                width: node.dimensions.width,
+            },
+        });
+    const renderImages = (node, summary) =>
+        art(path.join(__dirname, '../templates/images.art'), {
+            summary,
+            images: [{ url: node.display_url, height: node.dimensions.height, width: node.dimensions.width }],
+        });
+
+    return items.map(({ node }) => {
+        const type = node.__typename;
+        const summary = node.edge_media_to_caption.edges[0]?.node.text ?? '';
+
+        let description = '';
+        switch (type) {
+            // carousel, can include GraphVideo and GraphImage
+            case 'GraphSidecar':
+                description = node.edge_sidecar_to_children.edges
+                    .map(({ node }, i) => {
+                        const _type = node.__typename;
+                        switch (_type) {
+                            case 'GraphVideo':
+                                return renderVideo(node, i === 0 ? summary : '');
+                            case 'GraphImage':
+                                return renderImages(node, i === 0 ? summary : '');
+                            default:
+                                throw Error(`Instagram: Unhandled carousel type: ${_type}`);
+                        }
+                    })
+                    .join('');
+                break;
+            case 'GraphVideo':
+                description = renderVideo(node, summary);
+                break;
+            case 'GraphImage':
+                description = renderImages(node, summary);
+                break;
+            default:
+                throw Error(`Instagram: Unhandled feed type: ${type}`);
+        }
+
+        return {
+            title: summary.split('\n')[0],
+            pubDate: parseDate(node.taken_at_timestamp, 'X'),
+            author: node.owner.username,
+            link: `${baseUrl}/p/${node.shortcode}/`,
+            summary,
+            description,
+        };
+    });
+};
+
 module.exports = {
     baseUrl,
     COOKIE_URL,
     getUserInfo,
     getUserFeedItems,
     getTagsFeedItems,
+    renderGuestItems,
 };
diff --git a/website/docs/routes/social-media.mdx b/website/docs/routes/social-media.mdx
index 3f3ffb23f..50ff4593e 100644
--- a/website/docs/routes/social-media.mdx
+++ b/website/docs/routes/social-media.mdx
@@ -579,33 +579,35 @@ Type
 
 ## Instagram {#instagram}
 
-:::warning
-
-Due to Instagram Private API restrictions, you have to setup your credentials on the server. 2FA is not supported. See [deployment guide](https://docs.rsshub.app/install/) for more.
-
-If you don't want to setup credentials, you can use [Picnob](#picnob) or [Picuki](#picuki).
-
-:::
-
-### User Profile / Hashtag - Private API {#instagram-user-profile-hashtag-private-api}
-
-<Route author="oppilate DIYgod" example="/instagram/user/stefaniejoosten" path="/instagram/:category/:key" paramsDesc={['Feed category, see table below','Username / Hashtag name']} radar="1" anticrawler="1" selfhost="1">
-
-| User timeline | Hashtag |
-| ------------- | ------- |
-| user          | tags    |
-
 :::tip
 
 It's highly recommended to deploy with Redis cache enabled.
 
 :::
 
-</Route>
+### User Profile / Hashtag {#instagram-user-profile-hashtag-cookie}
 
-### User Profile / Hashtag - Cookie {#instagram-user-profile-hashtag-cookie}
+:::tip
 
-<Route author="TonyRL" example="/instagram/2/user/stefaniejoosten" path="/instagram/2/:category/:key" paramsDesc={['Feed category, see table above','Username / Hashtag name']} radar="1" anticrawler="1" selfhost="1" />
+You may need to setup cookie for a less restrictive rate limit and private profiles.
+
+:::
+
+<Route author="TonyRL" example="/instagram/2/user/stefaniejoosten" path="/instagram/2/:category/:key" paramsDesc={['Feed category, see table below','Username / Hashtag name']} radar="1" anticrawler="1" />
+
+| User timeline | Hashtag |
+| ------------- | ------- |
+| user          | tags    |
+
+### User Profile / Hashtag - Private API {#instagram-user-profile-hashtag-private-api}
+
+:::warning
+
+Due to [Instagram Private API](https://github.com/dilame/instagram-private-api) restrictions, you have to setup your credentials on the server. 2FA is not supported. See [deployment guide](https://docs.rsshub.app/install/) for more.
+
+:::
+
+<Route author="oppilate DIYgod" example="/instagram/user/stefaniejoosten" path="/instagram/:category/:key" paramsDesc={['Feed category, see table above','Username / Hashtag name']} radar="1" anticrawler="1" selfhost="1" />
 
 ## Keep {#keep}