Sankaku Channel Access Rights

Access blocked images on Sankaku Channel

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Sankaku Channel Access Rights
// @namespace    http://tampermonkey.net/
// @version      20201018
// @description  Access blocked images on Sankaku Channel
// @author       Couchy
// @match        https://chan.sankakucomplex.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

function unblockThumbs(target) {
    const thumbs = target.querySelectorAll("span.thumb");
    for (const thumb of thumbs) {
        const link = thumb.firstElementChild;
        if (!link || link.href != "https://get.sankaku.plus/") {
            continue;
        }
        const id = thumb.id.substring(1);
        link.href = `/post/show/${id}`;
        link.removeAttribute("target");
        const oReq = new XMLHttpRequest();
        oReq.addEventListener("load", function(){
            //console.log(oReq.responseText);
            const data = JSON.parse(oReq.responseText)[0];
            //console.log(data);
            let scale = 1;
            if (data.preview_width > 150 || data.preview_height > 150) {
                scale = 150 / Math.max(data.preview_width, data.preview_height);
            }

            const previewElem = thumb.children[0].children[0];
            //console.log(previewElem);
            previewElem.width = data.preview_width * scale;
            previewElem.height = data.preview_height * scale;
            previewElem.src = data.preview_url;

            let title = "";
            for (let tag of data.tags) {
                title += `${tag.name_en} `;
            }
            //TODO: other info in title
            previewElem.title = title;
        });
        oReq.open("GET", `https://capi-v2.sankakucomplex.com/posts?lang=en&page=1&limit=1&tags=id_range:${id}`);
        oReq.send();
    }
}

function unblockLarge(content) {
    content.innerHTML = "";
    const id = document.querySelector('meta[property~="og:title"][content]').content.slice(5);
    const oReq = new XMLHttpRequest();
        oReq.addEventListener("load", function(){
            //console.log(oReq.responseText);
            const data = JSON.parse(oReq.responseText)[0];
            //console.log(data);
            let scale = 1;
            if (data.sample_width > 1000 || data.sample_height > 1000) {
                scale = 1000 / Math.max(data.sample_width, data.sample_height);
            }

            let img;
            if (!data.file_type) { //Flash
                img = document.createElement("object");
                let embed = document.createElement("embed");
                embed.src = data.sample_url;
                embed.width = data.sample_width * scale;
                embed.height = data.sample_height * scale;
                img.appendChild(embed);
            }
            else if (data.file_type.startsWith("image")){
                img = document.createElement("img");
                img.src = data.sample_url;
            }
            else if (data.file_type.startsWith("video")) {
                img = document.createElement("video");
                img.controls = true;
                img.autoplay = false;
                img.src = data.sample_url;
            }

            if (img) {
                img.width = data.sample_width * scale;
                img.height = data.sample_height * scale;

                const container = document.createElement("div");
                container.setAttribute("style", "display: flex; flex-direction: column; padding-left: 1em;");

                if (data.width != data.sample_width || data.height != data.sample_height) {
                    const note = document.createElement("span");
                    note.textContent = "Showing resized - click for full size.";
                    container.appendChild(note);
                }

                const full = document.createElement("a");
                full.href = data.file_url;
                full.target = "_blank";
                full.appendChild(img);
                container.appendChild(full);

                content.appendChild(container);
            }
            else {
                console.log(`Unhandled file type: ${data.file_type}`);
            }
        });
        //console.log(`querying id: ${id}`);
        oReq.open("GET", `https://capi-v2.sankakucomplex.com/posts?lang=en&page=1&limit=1&tags=id_range:${id}`);
        oReq.send();
}

if (document.querySelector("span.thumb")) {
    unblockThumbs(document);
}
const list = document.getElementById("post-list");
if (list) {
    const callback = function (mutations){
        for (const mutation of mutations) {
            if (mutation.addedNodes.length > 0 && mutation.addedNodes[0].className == "content-page") {
                console.log(mutation.addedNodes[0]);
                unblockThumbs(mutation.addedNodes[0]);
            }
        }
    };
    const observer = new MutationObserver(callback);
    observer.observe(list, {childList: true, subtree: true});
}
const content = document.getElementById("post-content");
if (content && content.querySelector(".post-content-notification")) {
    unblockLarge(content);
}

// Fix Sankaku's shit
/*
var parts = /(.*) Rating:(\w)\w+ Score:(\S+) Size:(\d+)x(\d+) User:(.*)/.exec(title);
				o.tags = parts[1];
				o.rating = parts[2].toLowerCase();
				o.score = parseFloat(parts[3]);
				o.width = parseInt(parts[4]);
				o.height = parseInt(parts[5]);
				o.author = parts[6];
*/
const realExec = RegExp.prototype.exec;
RegExp.prototype.exec = function(str){
    let result = realExec.apply(this, [str]);
    if (!result && this.source.indexOf("Rating") > -1) {
        result = ["","","e","0","0","0",""];
    }
    return result;
};

})();