PTT Web Image Fix

修復PTT網頁板自動開圖、嘗試修復被截斷的網址、阻擋黑名單ID的推文/圖片

Per 20-08-2021. Zie de nieuwste versie.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey, Greasemonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Userscripts.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een gebruikersscriptbeheerder nodig.

(Ik heb al een user script manager, laat me het downloaden!)

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

(Ik heb al een beheerder - laat me doorgaan met de installatie!)

// ==UserScript==
// @name         PTT Web Image Fix
// @namespace    https://github.com/x94fujo6rpg/SomeTampermonkeyScripts
// @version      0.06
// @description  修復PTT網頁板自動開圖、嘗試修復被截斷的網址、阻擋黑名單ID的推文/圖片
// @author       x94fujo6
// @include      https://www.ptt.cc/*
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @require      https://openuserjs.org/src/libs/sizzle/GM_config.js
// @run-at       document-start
// ==/UserScript==

(function () {
	let
		blacklist_id = ["s910408", "ig49999", "bowen5566", "sos976431"],
		blacklist_img = ["Dey10PF", "WfOR5a8", "wsG5vrZ", "Q7hvcZw", "7h9s0iC", "g28oNwO", "y9arWAn", "9QnqRM3", "UeImoq1", "snzmE7h", "cJXK0nM", "jWy4BKY", "feMElhb", "CpGkeGb", "txz4iGW", "W2i4y4k", "aVXa6GN", "Mni1ayO"],
		blocked_id = new Set([]),
		blocked_img = new Set([]);
	const
		script_name = "fix ptt img", fixed = "fix_by_script",
		rd_text = (text = "") => {
			if (text.length <= 11) return " ██REDACTED██";
			let rp = (len) => "█".repeat(len),
				side = (text.length - 11) / 2;
			side = (side > 1) ? rp(side) : "█";
			return ` ${side}REDACTED${side}`;
		},
		remove_blacklist_target = async () => {
			let user, text, ele,
				ck_id, ck_img,
				push = document.querySelectorAll("div.push"),
				reg = /(?<=\/)(\w+)(?:\.\w{3,4})*$/;
			push.forEach(div => {
				user = div.querySelector(".push-userid").textContent;
				ele = div.querySelector(".push-content");
				text = ele.textContent;
				ck_id = blacklist_id.find(id => id == user);
				ck_img = blacklist_img.find(img => text.includes(`/${img}`));
				if (ck_id || ck_img) {
					ele.title = text;
					ele.innerHTML = rd_text(text);
					ele.style = "color: darkred;";
					slog_c(`%cblock by id blacklist %c${ck_id}:%c${ele.title.replace(":", "").trim()}`, "#FF0000;#FFFF00;"); //.replace(/:[\s]*(https|https)*(:\/\/)*/, "")
					if (ck_id && !ck_img) {
						text = text.match(reg);
						if (text) {
							slog_c(`%cblock by id blacklist %c${user}:%c${ele.title.replace(":", "").trim()}%c img [%c${text[1]}%c] not in list`, "#40E0D0;#FFFF00;;#40E0D0;;#40E0D0");
							blocked_img.add(text[1]);
						}
					}
					if (ck_img && !ck_id) {
						slog_c(`%cblock by img blacklist %c${user}:%c${ele.title.replace(":", "").trim()}%c user [%c${user}%c] not in list`, "#FFA500;#FFFF00;;#FFA500;;#FFA500");
						blocked_id.add(user);
					}
				}
			});
			return true;
		},
		slog = (...any) => console.log(`[${script_name}]`, ...any),
		slog_c = (s = "", c = "") => console.log(`[${script_name}] ${s}`, ...c.split(";").map(_c => `color:${_c};`)),
		wait_tab = () => {
			return new Promise(resolve => {
				if (document.visibilityState === "visible") return resolve();
				slog("tab in background, script paused");
				document.addEventListener("visibilitychange", () => {
					if (document.visibilityState === "visible") { slog("script unpaused"); return resolve(); }
				});
			});
		},
		remove_richcontent = async () => {
			let eles = document.querySelectorAll(".richcontent");
			if (!eles.length) { slog(`no richcontent found`); return false; }
			slog(`remove ${eles.length} richcontent`);
			eles.forEach(e => e.remove());
			return true;
		},
		async_push = async (list, item) => list.push(item),
		extractor = async (e, adv = false) => {
			let url = e.href, extract = false,
				reg_list = [
					/imgur\.com\/gallery\/\w{5,7}/,
					/imgur\.com\/a\/\w{5,7}/,
					/imgur\.com\/\w{5,7}/,
					/pbs\.twimg\.com\/media\/[\w-]+/,
					/(?<=https:\/\/|http:\/\/).*\.\w{3,4}$/,
				],
				twitter_format = /(?<=media[^\.\n]+\.|format=)\w{3,4}/,
				format_check = /\.(jpg|jpeg|png|webp|gif|gifv|mp4|webm)$/;
			if (e.getAttribute(fixed)) return false;
			if (adv) {
				if (e.nextSibling) {
					if (e.nextSibling.nodeType == 3) {
						url += e.nextSibling.textContent.trim();
					} else {
						return false;
					}
				}
				if (reg_list.find(reg => e.textContent.match(reg))) return false;
			}
			if (!url) return false; // no link
			reg_list = reg_list.map(reg => url.match(reg));
			extract = reg_list.findIndex(reg => Boolean(reg));
			if (extract == -1) return false; //no reg match
			if ((extract == reg_list.length - 1) && !(url.match(format_check))) return false; //match the last reg but not in format list
			extract = `https://${reg_list[extract][0]}`;
			if (extract.includes("pbs.twimg.com")) extract += `.${url.match(twitter_format)[0]}`;
			return extract;
		},
		extract_in_text = (eles) => extract_url(eles, true),
		extract_url = async (eles, in_text = false) => {
			let list = [], url;
			for (let e of eles) {
				url = await extractor(e, in_text);
				if (!url) continue;
				await async_push(list, { e, url });
			}
			return list;
		},
		get_imgur_image = (url) => {
			return new Promise(reslove => {
				GM_xmlhttpRequest({
					method: "GET", url,
					onload: async (rs) => {
						let full_url = rs.responseText.match(/(https:\/\/i.imgur\.com\/\w+\.\w+)\W/);
						full_url = full_url ? full_url[1] : false;
						slog(!full_url ? `${url} has no data` : `GET ${url} done`);
						return reslove([full_url, rs.status]);
					},
				});
			});
		},
		create_img_ele = (url) => {
			let box = Object.assign(document.createElement("div"), { className: "richcontent" }),
				a = Object.assign(document.createElement("a"), {
					href: url,
					target: "_blank",
					style: "text-decoration: none; box-shadow: none; background: none;",
					innerHTML: `<img src="${url}" referrerpolicy="no-referrer" rel="noreferrer noopener nofollow">`, //loading="lazy"
					referrerPolicy: "no-referrer",
					rel: "noreferrer noopener nofollow",
				});
			a.setAttribute(fixed, 1);
			box.appendChild(a);
			return box;
		},
		create_rd_ele = (text = "") => {
			return Object.assign(document.createElement("div"), {
				className: "richcontent",
				style: "color: darkred;",
				title: text,
				textContent: rd_text(text),
			});
		},
		fix_image = async (obj) => {
			let url, status;
			if (obj.url.includes("imgur")) {
				for (let retry = 3; retry >= 0; retry--) {
					if (retry < 3) slog(`retry ${obj.url}, remain ${retry}`);
					[url, status] = await get_imgur_image(obj.url);
					if (status == 200) break;
				}
			} else {
				url = obj.url;
			}
			if (!url) url = "https://i.imgur.com/removed.png";
			url = (blacklist_img.find(img => url.includes(img))) ? create_rd_ele(url) : create_img_ele(url);
			obj.e.insertAdjacentElement("afterend", url);
			obj.e.target = "_blank";
			obj.e.setAttribute(fixed, 1);
			return;
		},
		process_ele = async (eles, extractor, log) => {
			if (!eles.length) return;
			eles = await extractor(eles);
			if (!eles?.length) return;
			slog(log, eles);
			eles.forEach(e => fix_image(e));
			return;
		},
		main = async () => {
			let eles = document.querySelectorAll("a[href]");
			await process_ele(eles, extract_url, "try fix");
			if (!GM_config.get("fix_segment")) return;
			await sleep(1000);
			await process_ele(eles, extract_in_text, "try fix spaced");
		},
		sleep = (ms = 100) => new Promise(resolve => setTimeout(resolve, ms)),
		start_script = async () => {
			slog("script start");
			await wait_tab();
			await ini_config();
			await load_value();
			await remove_blacklist_target();
			await remove_richcontent();
			await main();
			GM_config.onOpen(); // reload
		},
		load_value = async () => {
			blacklist_id = GM_config.get("blacklist_id").split("\n");
			blacklist_img = GM_config.get("blacklist_img").split("\n");
			slog("load blacklist, id", blacklist_id.length, "img", blacklist_img.length);
			return true;
		},
		ini_config = async () => {
			GM_registerMenuCommand("設定(alt+Q)", () => GM_config.open());
			document.addEventListener("keydown", (e) => { if (e.altKey && e.key == "q") GM_config.open(); });
			GM_config.init({
				id: "settings", // The id used for this instance of GM_config
				title: "腳本設定",
				fields: {
					// This is the id of the field
					fix_segment: {
						label: "嘗試對分段網址開圖 (小心使用)",
						section: "功能設定",
						type: "checkbox",
						default: true,
					},
					blacklist_id: {
						label: "ID",
						section: ["黑名單", "每行一個ID/圖片檔名"],
						type: "textarea",
						default: blacklist_id.join("\n")
					},
					blocked_id: {
						label: "由於圖片被阻擋,但ID未在名單中",
						type: "textarea",
						default: [...blocked_id].join("\n")
					},
					blacklist_img: {
						label: "圖片名稱",
						type: "textarea",
						default: blacklist_img.join("\n")
					},
					blocked_img: {
						label: "由於ID被阻擋,但圖片未在名單中",
						type: "textarea",
						default: [...blocked_img].join("\n")
					},
				},
				css: `
					#settings_fix_segment_var {
						display: inline-flex;
    					margin: 0.5rem !important;
						border: 0.1rem solid;
    					padding: 0.5rem;
					}

					#settings_blacklist_id_var,#settings_blacklist_img_var,#settings_blocked_id_var,#settings_blocked_img_var {
						width: calc(90% / 4) !important;
						height: 60% !important;
						margin: 1rem !important;
						display: inline-block;
					}

					#settings_blacklist_id_field_label,#settings_blacklist_img_field_label,#settings_blocked_id_field_label,#settings_blocked_img_field_label,#settings_fix_segment_field_label {
						font-size: 1rem !important;
						text-align: center;
    					display: block;
					}

					#settings_field_blacklist_id,#settings_field_blacklist_img,#settings_field_blocked_id,#settings_field_blocked_img {
						width: 100% !important;
						height: 90% !important;
					}
				`,
			});
			const blacklist = ["blacklist_id", "blacklist_img",],
				load_list = (list_id = "") => {
					let list = GM_config.get(list_id);
					return list;
				};
			GM_config.onOpen = () => {
				let ui_id = [
					{ id: "blocked_id", data: blocked_id },
					{ id: "blocked_img", data: blocked_img },
				];
				ui_id.forEach(o => {
					slog("load", o.id, o.data.size);
					GM_config.fields[o.id].value = [...o.data].join("\n");
				});
				blacklist.forEach(id => {
					let list = load_list(id);
					slog("load", id, list.split("\n").length);
					GM_config.fields[id].value = list;
				});
			};
			GM_config.onSave = () => {
				blacklist.forEach(id => {
					let list = load_list(id);
					slog("save", id, list.split("\n").length);
				});
			};
			return true;
		};
	document.body.onload = start_script;
})();