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搭建免费图床服务

  • Github仓库有大小限制,虽然已经足够。之前将md和图片放到一起,现在做分离。方便管理和加快部署,图片单独存储
  • 使用typora+picList可以迁移原来的本地图片

github

  • 创建图片存储仓库如image_bed_0,私有即可
  • 创建和保存Github PAT(后续要用),用户头像->settings->Developer Settings->Personal access tokens (classic),,勾选仓库权限

image-20250219113428703

cloudflare配置

创建Workers

  • 替换代码如下方js,部署
  • 你需要替换代理路径令牌(PAT)

部署成功后提示非法请求是正常的,你访问具体的仓库资源就没问题

js
// Website you intended to retrieve for users.
const upstream = "raw.githubusercontent.com";

// Custom pathname for the upstream website.
// (1) 填写代理的路径,格式为 /<用户>/<仓库名>/<分支>
const upstream_path = "/banzidev/img/main";

// github personal access token.
// (2) 填写 github 令牌
const github_token = "ghp_xxx";

// Website you intended to retrieve for users using mobile devices.
const upstream_mobile = upstream;

// Countries and regions where you wish to suspend your service.
const blocked_region = [];

// IP addresses which you wish to block from using your service.
const blocked_ip_address = ["0.0.0.0", "127.0.0.1"];

// Whether to use HTTPS protocol for upstream address.
const https = true;

// Whether to disable cache.
const disable_cache = false;

// Replace texts.
const replace_dict = {
  $upstream: "$custom_domain",
};

addEventListener("fetch", (event) => {
  event.respondWith(fetchAndApply(event.request));
});

async function fetchAndApply(request) {
  const region = request.headers.get("cf-ipcountry")?.toUpperCase();
  const ip_address = request.headers.get("cf-connecting-ip");
  const user_agent = request.headers.get("user-agent");

  let response = null;
  let url = new URL(request.url);
  let url_hostname = url.hostname;

  if (https == true) {
    url.protocol = "https:";
  } else {
    url.protocol = "http:";
  }

  if (await device_status(user_agent)) {
    var upstream_domain = upstream;
  } else {
    var upstream_domain = upstream_mobile;
  }

  url.host = upstream_domain;
  if (url.pathname == "/") {
    url.pathname = upstream_path;
  } else {
    url.pathname = upstream_path + url.pathname;
  }

  if (blocked_region.includes(region)) {
    response = new Response(
      "Access denied: WorkersProxy is not available in your region yet.",
      {
        status: 403,
      }
    );
  } else if (blocked_ip_address.includes(ip_address)) {
    response = new Response(
      "Access denied: Your IP address is blocked by WorkersProxy.",
      {
        status: 403,
      }
    );
  } else {
    let method = request.method;
    let request_headers = request.headers;
    let new_request_headers = new Headers(request_headers);

    new_request_headers.set("Host", upstream_domain);
    new_request_headers.set("Referer", url.protocol + "//" + url_hostname);
    new_request_headers.set("Authorization", "token " + github_token);

    let original_response = await fetch(url.href, {
      method: method,
      headers: new_request_headers,
      body: request.body,
    });

    let connection_upgrade = new_request_headers.get("Upgrade");
    if (connection_upgrade && connection_upgrade.toLowerCase() == "websocket") {
      return original_response;
    }

    let original_response_clone = original_response.clone();
    let original_text = null;
    let response_headers = original_response.headers;
    let new_response_headers = new Headers(response_headers);
    let status = original_response.status;

    if (disable_cache) {
      new_response_headers.set("Cache-Control", "no-store");
    } else {
      new_response_headers.set("Cache-Control", "max-age=43200000");
    }

    new_response_headers.set("access-control-allow-origin", "*");
    new_response_headers.set("access-control-allow-credentials", "true");
    new_response_headers.delete("content-security-policy");
    new_response_headers.delete("content-security-policy-report-only");
    new_response_headers.delete("clear-site-data");

    if (new_response_headers.get("x-pjax-url")) {
      new_response_headers.set(
        "x-pjax-url",
        response_headers
          .get("x-pjax-url")
          .replace("//" + upstream_domain, "//" + url_hostname)
      );
    }

    const content_type = new_response_headers.get("content-type");
    if (
      content_type != null &&
      content_type.includes("text/html") &&
      content_type.includes("UTF-8")
    ) {
      original_text = await replace_response_text(
        original_response_clone,
        upstream_domain,
        url_hostname
      );
    } else {
      original_text = original_response_clone.body;
    }

    response = new Response(original_text, {
      status,
      headers: new_response_headers,
    });
  }
  return response;
}

async function replace_response_text(response, upstream_domain, host_name) {
  let text = await response.text();

  var i, j;
  for (i in replace_dict) {
    j = replace_dict[i];
    if (i == "$upstream") {
      i = upstream_domain;
    } else if (i == "$custom_domain") {
      i = host_name;
    }

    if (j == "$upstream") {
      j = upstream_domain;
    } else if (j == "$custom_domain") {
      j = host_name;
    }

    let re = new RegExp(i, "g");
    text = text.replace(re, j);
  }
  return text;
}

async function device_status(user_agent_info) {
  var agents = [
    "Android",
    "iPhone",
    "SymbianOS",
    "Windows Phone",
    "iPad",
    "iPod",
  ];
  var flag = true;
  for (var v = 0; v < agents.length; v++) {
    if (user_agent_info.indexOf(agents[v]) > 0) {
      flag = false;
      break;
    }
  }
  return flag;
}

访问图片

PicList配置

PicList

该软件操作参考PicGO,结合typora使用即可实现图片自动上传和迁移

  • 你可以在插件中搜索压缩插件进行图片自动压缩,添加水印等

  • 可以在设置中转换图片的格式和开启时间戳重命名

image-20250219115357553

image-20250219115437072

image-20250219115521565

Github图床配置

  • 说明

    • 仓库:用户名/仓库名
    • token: 就是前面创建的PAT或重新创建一个
    • 自定义域名:直接使用cloudflard提供给你的域名

    这里我使用的是自定义域名(下方有描述),用自定义域名和它提供的都可以

image-20250219114226702

自定义域名

  • 需要你有一个域名并由cloudflard托管(不在多说)
  • 然后直接添加即可
  • 访问路径和之前一样域名链接/图片,如下图的访问路径https://img.simpleword.bid/20250219114700750.webp

image-20250219114700623