{"id":515120,"date":"2021-07-10T19:20:20","date_gmt":"2021-07-10T11:20:20","guid":{"rendered":"http:\/\/4563.org\/?p=515120"},"modified":"2021-07-10T19:20:20","modified_gmt":"2021-07-10T11:20:20","slug":"workers%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e7%b1%bb%e4%bc%bcnginx-location%e7%9a%84%e5%8a%9f%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=515120","title":{"rendered":"Workers\u5982\u4f55\u5b9e\u73b0\u7c7b\u4f3cNginx location\u7684\u529f\u80fd\uff1f"},"content":{"rendered":"\n

\t\t\t\t\tMoeWang<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

Workers\u5982\u4f55\u5b9e\u73b0\u7c7b\u4f3cNginx location\u7684\u529f\u80fd\uff1f<\/h3>\n

\t\t \u672c\u5e16\u6700\u540e\u7531 MoeWang \u4e8e 2021-7-10 19:11 \u7f16\u8f91 <\/p>\n

\u5982\u9898\uff0c\u662f\u8fd9\u6837\u7684\uff0c\u6211\u628a\u539f\u6765vercel\u7684b2\u5bf9\u8c61\u5b58\u50a8\u53cd\u4ee3\u79fb\u5230workers\u6765\u4e86\uff08\u770b\u4e2d\u4e86\u5e26\u5bbd\u8054\u76df\uff09\uff0c\u7136\u540e\u6211\u5c31\u627e\u4e86\u627e\u8bba\u575b\u91cc\u7684workers\u53cd\u4ee3\u9690\u85cfpath\uff0c\u7136\u540e\u5c31\u5361\u5728\u8fd9\u91cc\u4e86\u3002\u3002\u539f\u56e0\u662f\u6211\u5728vercel\u91cc\u9762\u8bbe\u7f6e\u8fc7\u4e0d\u540c\u7684\u8def\u7531\uff0c\u6bd4\u5982\/avatar\/\u7684path\u662f\u7528\u6765\u53cd\u4ee3gravatar\u7684\uff0c\u4f20\u5165\u7684path\u7b26\u5408\u6761\u4ef6\u7684\u8bdd\uff08\u6bd4\u5982https:\/\/workers\/avatar\/xxxxxx\uff09\u5c31\u6267\u884c\u53cd\u4ee3gravatar\u7684\u4ee3\u7801\uff1b<\/p>\n

\u5982\u679c\u4f20\u5165\u7684URL\u4e0d\u5305\u542bavatar\uff08\u6bd4\u5982https:\/\/workers\/test.jpg\u6216\u8005https:\/\/workers\/public\/123.js\uff09\u5c31\u7ee7\u7eed\u53cd\u4ee3\u5bf9\u8c61\u5b58\u50a8\u3002<\/p>\n

\u8ba9\u6211\u5199\u4e2anginx\u6216\u8005vercel\u7684\u90a3\u79cdpath\u8def\u7531\u6211\u4f1a\uff0c\u4f46\u662f\u6362\u7528service workers\u5c31\u771f\u7684\u4e0d\u4f1a\u4e86\uff0c<\/p>\n

\u4e3b\u8981\u662f\u5982\u4f55\u76d1\u542c\u4e0d\u540c\u8def\u5f84\u8fd9\u5757\u4ee3\u7801\u4e0d\u662f\u5f88\u719f\u6089\u3002\u5982\u679c\u8981\u60f3\u590d\u6742\u4e9b\u7684\u8bdd\u8fd9\u79cd\u8981\u7528if\u5417\uff1f<\/p>\n

\u7136\u540e\u53ef\u80fd\u771f\u7684\u6ca1\u627e\u5bf9\u5173\u952e\u8bcd\uff0c\u7f51\u4e0a\u6211\u5c31\u6ca1\u641c\u7740service workers \u5206path\u6267\u884c\u7684\u76f8\u5173\u6559\u7a0b\uff0c\u6240\u4ee5\u6765\u95ee\u95ee\u5404\u4f4d\u5927\u4f6c\u3002\u80fd\u7ed9\u6211\u4e00\u7bc7\u8bb2\u5982\u4f55\u76d1\u542c\u4e0d\u540c\u76ee\u5f55\u7684\u6587\u6863\u6216\u8005\u6559\u7a0b\u4e5f\u884c\u3002\u3002\u5410\u4e86\u3002\u3002\u3002\u6551\u6551\u5b69\u5b50\u5427<\/p>\n

\u76ee\u524d\u641c\u5230\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\/\/gravatar\u53cd\u4ee3
addEventListener(
"fetch",event => {
    let url=new URL(event.request.url);
    url.hostname="secure.gravatar.com";
    url.pathname="\/avatar\/";
    let request=new Request(url,event.request);
   event. respondWith(
       fetch(request)
       )
       }
      )<\/p>\n

\/\/gravatar\u53cd\u4ee3 \u7ed3\u675f
\/\/B2 \u5b58\u50a8\u9690\u85cf\u6876 \u5f00\u59cb
‘use strict’;
const b2Domain = ‘cdn.xxxxx’; \/\/ configure this as per instructions above
const b2Bucket = ‘xxxxxxx; \/\/ configure this as per instructions above
const b2UrlPath = `\/file\/${b2Bucket}\/`;
addEventListener(‘fetch’, event => {
        return event.respondWith(fileReq(event));
});<\/p>\n

\/\/ define the file extensions we wish to add basic access control headers to
const corsFileTypes = [‘png’, ‘jpg’, ‘gif’, ‘jpeg’, ‘webp’];<\/p>\n

\/\/ backblaze returns some additional headers that are useful for debugging, but unnecessary in production. We can remove these to save some size
const removeHeaders = [
        ‘x-bz-content-sha1’,
        ‘x-bz-file-id’,
        ‘x-bz-file-name’,
        ‘x-bz-info-src_last_modified_millis’,
        ‘X-Bz-Upload-Timestamp’,
        ‘Expires’
];
const expiration = 31536000; \/\/ override browser cache for images – 1 year<\/p>\n

\/\/ define a function we can re-use to fix headers
const fixHeaders = function(url, status, headers){
        let newHdrs = new Headers(headers);
        \/\/ add basic cors headers for images
        if(corsFileTypes.includes(url.pathname.split(‘.’).pop())){
                newHdrs.set(‘Access-Control-Allow-Origin’, ‘*’);
        }
        \/\/ override browser cache for files when 200
        if(status === 200){
                newHdrs.set(‘Cache-Control’, "public, max-age=" + expiration);
        }else{
                \/\/ only cache other things for 5 minutes
                newHdrs.set(‘Cache-Control’, ‘public, max-age=300’);
        }
        \/\/ set ETag for efficient caching where possible
        const ETag = newHdrs.get(‘x-bz-content-sha1’) || newHdrs.get(‘x-bz-info-src_last_modified_millis’) || newHdrs.get(‘x-bz-file-id’);
        if(ETag){
                newHdrs.set(‘ETag’, ETag);
        }
        \/\/ remove unnecessary headers
        removeHeaders.forEach(header => {
                newHdrs.delete(header);
        });
        return newHdrs;
};
async function fileReq(event){
        const cache = caches.default; \/\/ Cloudflare edge caching
        const url = new URL(event.request.url);
        if(url.host === b2Domain && !url.pathname.startsWith(b2UrlPath)){
                url.pathname = b2UrlPath + url.pathname;
        }
        let response = await cache.match(url); \/\/ try to find match for this request in the edge cache
        if(response){
                \/\/ use cache found on Cloudflare edge. Set X-Worker-Cache header for helpful debug
                let newHdrs = fixHeaders(url, response.status, response.headers);
                newHdrs.set(‘X-Worker-Cache’, "true");
                return new Response(response.body, {
                        status: response.status,
                        statusText: response.statusText,
                        headers: newHdrs
                });
        }
        \/\/ no cache, fetch image, apply Cloudflare lossless compression
        response = await fetch(url, {cf: {polish: "lossless"}});
        let newHdrs = fixHeaders(url, response.status, response.headers);<\/p>\n

if(response.status === 200){<\/p>\n

    response = new Response(response.body, {
      status: response.status,
      statusText: response.statusText,
      headers: newHdrs
    });
}else{
    response = new Response(‘Not Found!’, { status: 404 })
}<\/p>\n

        event.waitUntil(cache.put(url, response.clone()));
        return response;
}
\/\/B2 \u5b58\u50a8\u6876 \u7ed3\u675f
\u53e6\u5916\u672c\u5e16\u4e0d\u4f1a255\uff0c\u6211\u4e5f\u6ca1\u6709255\u7684\u4e60\u60ef\t\t\t\t<\/p>\n

\t\t\t\t\t\u6ef4\u6ef4\u5355\u8f66<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\thttps:\/\/github.com\/kwhitley\/itty-router
https:\/\/github.com\/cfworker\/cfworker\/tree\/main\/packages\/web
https:\/\/github.com\/berstend\/tiny-request-router\t\t\t <\/p>\n","protected":false},"excerpt":{"rendered":"

MoeWang \u5927\u4f6c\u6709\u8bdd\u8bf4 : W…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/515120"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=515120"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/515120\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=515120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=515120"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=515120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}