Merge branch 'proxy' of gitea.moe:lamp/random-miku-server into proxy

and now including r18

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 .env
 output.log
+logs

README.md

@@ -0,0 +1,25 @@
+A simple, random Hatsune Miku image server using no HTML*: https://random-miku.owo39.me/
+
+The `/` URL will 302-redirect you** to a random URL like this: https://random-miku.owo39.me/https://www.pixiv.net/en/artworks/92388757, which then proxies the first original-size image from that post. The url is such that you can select and delete the left half to easily get to the Pixiv post.
+
+Refresh the window and you'll get another random image***. To do this the server remembers the last URL your IP address requested.
+
+There are also some other parameters you can change.
+
+To include pornographic results: https://random-miku.owo39.me/?allow_r18
+
+Auto-refresh the page every 3 seconds using HTTP refresh header: https://random-miku.owo39.me/?auto=3 Note that this way the browser won't log them to history, but you can see your IPA's history at https://random-miku.owo39.me/log (*the only thing HTML is used for).
+
+Get different sizes (regular, small, or thumb_mini; default is original): https://random-miku.owo39.me/?size=small
+
+**Use noredirect parameter to get served a random image directly: https://random-miku.owo39.me/?noredirect This enables it to be embedded in Discord, but makes it harder to find the source. 
+
+***Use noredirect parameter to disable: https://random-miku.owo39.me/noredirect/https://www.pixiv.net/en/artworks/72389090 That's right, querystring is relocated to the left of pixiv url.
+
+Combining opts: https://random-miku.owo39.me/?auto=0&size=small&allow_r18 ![:sunglas:](https://cdn.discordapp.com/emojis/707727355057012806.png?size=24)
+
+To get just a random ID: https://random-miku.owo39.me/api. Useful for embedding into a website with JavaScript. There is also an `X-Pixiv-Id` header.
+
+----------------------------------------------------------------------------------------
+
+Data set consists of the top 99,495 popular 初音ミク Pixiv illustrations (10,242 of which are r18), scraped in September 2021. Originally served data from a mongo db, but was changed to proxy from Pixiv when lost access to db and because it is faster and more flexible. The old mongodb version is available at http://hmbp.gq:39/, which you can use if you encounter a 404 with the primary one (because some pixiv posts are disappearing apparently).

index.js

@@ -1,35 +1,105 @@
-require("dotenv").config();
-var {MongoClient, GridFSBucket} = require("mongodb");
 var express = require("express");
+var fetch = require("node-fetch");
+var qs = require("qs");
+var serveFavicon = require("serve-favicon");
+var fs = require("fs");
+
 var app = express();
 app.set("trust proxy", "127.0.0.1");
-var dbclient = new MongoClient(process.env.DB_URI);
+app.listen(process.env.PORT || 39);
-dbclient.connect().then(async () => {
+app.use(serveFavicon("ミク.png"));
-	var db = dbclient.db("mikudb");
+app.use((req,res,next)=>{req.rawQuery = req.url.includes('?') && req.url.substr(req.url.indexOf('?')+1);next();});
-	var collection = db.collection("illustration_collection");
+
-	var bucket = new GridFSBucket(db);
+var list = require("./list.json");
-	var idlist = require("./idlist.json");
+var ipa_lastload_map = {};
-	var ipa_lastload_map = {};
+
-	let redirectRandom = (req, res) => {
+
-		let random_id = idlist[Math.floor(Math.random() * idlist.length)];
+function getRandomId(allow_r18) {
-		res.redirect(`/https://www.pixiv.net/en/artworks/${random_id}`);
+	var i = list[Math.floor(Math.random() * list.length)];
-	};
+	if (i[2] && !allow_r18) return getRandomId();
-	app.get('/', redirectRandom);
+	return i[0];
-	app.get("/https://www.pixiv.net/en/artworks/:id", async (req, res) => {
+};
-		//if (req.headers["cache-control"] == "max-age=0") { // this indicates a reload in chrome
+
-		// but chrome still sends it after redirect
+
-		if (ipa_lastload_map[req.ip] == req.params.id && req.query.noredirect == null) {
+function getRandomUrl(req) {
-			return redirectRandom(req, res); 
+	var s = req?.params.settings ? `/${req?.params.settings}` : '';
-		} else ipa_lastload_map[req.ip] = req.params.id;
+	var d = getRandomId(req?.query.allow_r18!=null);
-		console.log(new Date().toLocaleString(), req.ip, req.params.id);
+	return `${s}/https://www.pixiv.net/en/artworks/${d}`;
-		var asdf = await collection.findOne({_id: req.params.id}, {downloaded_images: 1});
+}
-		if (!asdf) return res.sendStatus(404);
+
-		var filename = Object.keys(asdf.downloaded_images)[0];
+
-		res.type(filename.split('.').pop());
+async function serveId(id, req, res, next) {
-		res.header("Content-Disposition", `filename=${filename}`);
+	try {
-		var gfsid = Object.values(asdf.downloaded_images)[0];
+		console.log(new Date().toLocaleString(), req.ip, req.url);
-		bucket.openDownloadStream(gfsid).pipe(res);
+		
-	});
+		let pages = list.find(x => x[0] == id)?.[1];
-	app.listen(39);
+		if (!pages) {
-	console.log("server ready");
+			let data = await (await fetch(`https://pixiv.net/ajax/illust/${id}/pages`, {
+				headers: { "Host": "www.pixiv.net" }
+			})).json();
+			if (data.error) {
+				res.status(502).type("text").send(data.message);
+				return;
+			}
+			pages = data.body;
+		}
+
+		var url = pages[0].urls[req.query.size ?? "original"];
+		if (!url) return res.status(400).type("text").send(`size must be one of the following: ${Object.keys(pages[0].urls).join(', ')}`);
+		
+		var pxreq = await fetch(url, { headers: {"Referer": "https://www.pixiv.net"} });
+		res.type(pxreq.headers.get("Content-Type"));
+		res.header("X-Pixiv-Id", id);
+		res.header("Cache-Control", "max-age=99999999999999");
+		if (req.query.auto) res.header("Refresh", `${Number(req.query.auto)}; url=${getRandomUrl(req)}`);
+		pxreq.body.pipe(res);
+
+		fs.appendFileSync(`logs/${req.ip.replace(/[:\/]/g, '-')}.csv`, `${new Date().toISOString()},${id}\n`);
+
+	} catch(error) {
+		console.log(error);
+	}
+}
+
+
+app.get("(/:settings)?/https://www.pixiv.net/en/artworks/:id", function (req, res, next) {
+	if (req.rawQuery) {
+		let settings = req.params.settings || '';
+		if (settings) settings += "&";
+		settings += req.rawQuery;
+		return res.redirect(`/${settings}/https://www.pixiv.net/en/artworks/${req.params.id}`);
+	}
+	
+	if (req.params.settings) req.query = qs.parse(req.params.settings);
+	
+	if (ipa_lastload_map[req.ip] == req.url && req.query.noredirect == null)
+		return res.redirect(getRandomUrl(req)); 
+	else ipa_lastload_map[req.ip] = req.url;
+
+	serveId(req.params.id, req, res, next);
+});
+
+
+app.get('/', (req, res, next) => {
+	if (req.query.noredirect != null) {
+		serveId(getRandomId(req.query.allow_r18!=null), req, res, next)
+	} else {
+		res.redirect((req.rawQuery ? `/${req.rawQuery}` : '') + getRandomUrl(req));
+	}
+});
+
+
+app.get("/api", function (req, res) {
+	res.type("text/plain").send(getRandomId(req.query.allow_r18!=null));
+});
+
+app.get("/log", function (req, res) {
+	res.redirect(`/log/${req.ip}`);
+});
+var log_html = fs.readFileSync("log.html", "utf8");
+app.get("/log/:ipa", function (req, res) {
+	res.send(log_html);
+});
+app.get("/log/:ipa/csv", function (req, res) {
+	res.sendFile(req.params.ipa.replace(/[:\/]/g, '-') + '.csv', {root: process.cwd() + "/logs/"});
 });

log.html

@@ -0,0 +1,34 @@
+<title>history</title>
+<style>
+	.i {
+		width: 128px;
+		height: 128px;
+		display: inline-block;
+	}
+</style>
+
+<h1>view history for ip address <span id="ipa">???</span></h1>
+<p>in reverse-chronological order. hover for dates</p>
+
+<script>
+	let ipa = location.pathname.split("/").pop().trim();
+	document.getElementById("ipa").innerText = ipa;
+	fetch(location.pathname + "/csv").then(r => r.text()).then(csv => {
+		csv = csv.trim();
+		csv = csv.split("\n").map(x => x.split(','));
+
+		var imgs = [];
+
+		for (let row of csv) {
+			let date = new Date(row[0]).toLocaleString();
+			let pixiv_id = row[1];
+			let pixiv_url = "https://www.pixiv.net/en/artworks/" + pixiv_id;
+			let thumb_url = "/size=thumb_mini/" + pixiv_url;
+			//imgs.unshift(`<a href="${pixiv_url}"><img src="${thumb_url}" alt="${pixiv_id}" title="${date}" /></a>`);
+			imgs.unshift(`<a href="${pixiv_url}"><div class="i" style="background-image: url(${thumb_url})" title="${date}">${pixiv_id}</div></a>`);
+		}
+
+		document.body.innerHTML += imgs.join('');
+
+	});
+</script>

package-lock.json

@@ -1,32 +1,13 @@
 {
-  "name": "randommiku",
+  "name": "random-miku-server",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "dependencies": {
-        "dotenv": "^10.0.0",
         "express": "^4.17.1",
-        "mongodb": "^4.1.2"
+        "node-fetch": "^2.6.5",
-      }
+        "serve-favicon": "^2.5.0"
-    },
-    "node_modules/@types/node": {
-      "version": "16.10.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.10.2.tgz",
-      "integrity": "sha512-zCclL4/rx+W5SQTzFs9wyvvyCwoK9QtBpratqz2IYJ3O8Umrn0m3nsTv0wQBk9sRGpvUe9CwPDrQFB10f1FIjQ=="
-    },
-    "node_modules/@types/webidl-conversions": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-6.1.1.tgz",
-      "integrity": "sha512-XAahCdThVuCFDQLT7R7Pk/vqeObFNL3YqRyFZg+AqAP/W1/w3xHaIxuW7WszQqTbIBOPRcItYJIou3i/mppu3Q=="
-    },
-    "node_modules/@types/whatwg-url": {
-      "version": "8.2.1",
-      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.1.tgz",
-      "integrity": "sha512-2YubE1sjj5ifxievI5Ge1sckb9k/Er66HyR2c+3+I6VDUUg1TLPdYYTEbQ+DjRkS4nTxMJhgWfSfMRD2sl2EYQ==",
-      "dependencies": {
-        "@types/node": "*",
-        "@types/webidl-conversions": "*"
       }
     },
     "node_modules/accepts": {
@@ -46,25 +27,6 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "node_modules/base64-js": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
-      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
     "node_modules/body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -85,40 +47,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/bson": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-4.5.2.tgz",
-      "integrity": "sha512-8CEMJpwc7qlQtrn2rney38jQSEeMar847lz0LyitwRmVknAW8iHXrzW4fTjHfyWm0E3sukyD/zppdH+QU1QefA==",
-      "dependencies": {
-        "buffer": "^5.6.0"
-      },
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
-    "node_modules/buffer": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "dependencies": {
-        "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
-      }
-    },
     "node_modules/bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -167,14 +95,6 @@
         "ms": "2.0.0"
       }
     },
-    "node_modules/denque": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-2.0.1.tgz",
-      "integrity": "sha512-tfiWc6BQLXNLpNiR5iGd0Ocu3P3VpxfzFiqubLgMfhfOw9WyvgJBd46CClNn9k3qfbjvT//0cf7AlYRX/OslMQ==",
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
     "node_modules/depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -188,14 +108,6 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
-    "node_modules/dotenv": {
-      "version": "10.0.0",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-10.0.0.tgz",
-      "integrity": "sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==",
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/ee-first": {
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       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -321,25 +233,6 @@
         "node": ">=0.10.0"
       }
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-    "node_modules/ieee754": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
-      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
     "node_modules/inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -361,12 +254,6 @@
         "node": ">= 0.6"
       }
     },
-    "node_modules/memory-pager": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
-      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
-      "optional": true
-    },
     "node_modules/merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -410,31 +297,6 @@
         "node": ">= 0.6"
       }
     },
-    "node_modules/mongodb": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.1.2.tgz",
-      "integrity": "sha512-pHCKDoOy1h6mVurziJmXmTMPatYWOx8pbnyFgSgshja9Y36Q+caHUzTDY6rrIy9HCSrjnbXmx3pCtvNZHmR8xg==",
-      "dependencies": {
-        "bson": "^4.5.2",
-        "denque": "^2.0.1",
-        "mongodb-connection-string-url": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=12.9.0"
-      },
-      "optionalDependencies": {
-        "saslprep": "^1.0.3"
-      }
-    },
-    "node_modules/mongodb-connection-string-url": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.1.0.tgz",
-      "integrity": "sha512-Qf9Zw7KGiRljWvMrrUFDdVqo46KIEiDuCzvEN97rh/PcKzk2bd6n9KuzEwBwW9xo5glwx69y1mI6s+jFUD/aIQ==",
-      "dependencies": {
-        "@types/whatwg-url": "^8.2.1",
-        "whatwg-url": "^9.1.0"
-      }
-    },
     "node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -448,6 +310,36 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/node-fetch": {
+      "version": "2.6.5",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.5.tgz",
+      "integrity": "sha512-mmlIVHJEu5rnIxgEgez6b9GgWXbkZj5YZ7fx+2r94a2E+Uirsp6HsPTPlomfdHtpt/B0cdKviwkoaM6pyvUOpQ==",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      }
+    },
+    "node_modules/node-fetch/node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o="
+    },
+    "node_modules/node-fetch/node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE="
+    },
+    "node_modules/node-fetch/node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha1-lmRU6HZUYuN2RNNib2dCzotwll0=",
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
@@ -484,14 +376,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/punycode": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
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-      "engines": {
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       "version": "6.7.0",
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@@ -532,18 +416,6 @@
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     },
-    "node_modules/saslprep": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
-      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
-      "optional": true,
-      "dependencies": {
-        "sparse-bitfield": "^3.0.3"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/send": {
       "version": "0.17.1",
       "resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
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package.json

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 {
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 }