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CDN-COS常见跨域问题汇总

,DELETE < Access-Control-Allow-Origin: https:cos.com < Access-Control-Expose-Headers: X-myHeader < Access-Control-Max-Age :cos.com < Access-Control-Expose-Headers: X-myHeader < Access-Control-Max-Age: 10 < Date: Fri, 11 Sep ,DELETE < Access-Control-Allow-Origin: https:cos.com < Access-Control-Expose-Headers: X-myHeader < Access-Control-Max-Age Access-Control-Expose-Headers: X-myHeader < Access-Control-Max-Age: 10 < ETag: e10adc3949ba59abbe56e057f20f883e < Access-Control-Expose-Headers: X-myHeader < Access-Control-Max-Age: 10 < Date: Fri, 11 Sep 2020 07

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记录一下Nginx跨域处理

在站点的配置文件中加入location { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods GET,POST,OPTIONS; add_header Access-Control-Allow-Credentials true; add_header Access-Control-Allow-Headers ; add_header Access-Control-Max-Age 1728000;}即可解决跨域,缺点是所有域名都可以请求使用下面的代码即可配置允许的域名请求location { # 检查域名后缀 ; add_header Access-Control-Max-Age 1728000; } if ($request_method = OPTIONS) { add_header Access-Control-Allow-Origin ,If-Modified-Since,Cache-Control,Content-Type; add_header Access-Control-Max-Age 1728000; return 204;

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    Nginx 跨域 add_header 403状态下无效

    整理代码如下,添加在 location 节点add_header Access-Control-Allow-Origin *;add_header Access-Control-Max-Age 1000 ;add_header Access-Control-Allow-Methods POST, GET, OPTIONS, DELETE, PUT;add_header Access-Control-Allow-Headers js报错如下:Response to preflight request doesnt pass access control check: No Access-Control-Allow-Origin add_header Access-Control-Allow-Origin * always;add_header Access-Control-Max-Age 1000 always;add_header *Header always set Access-Control-Allow-Methods POST, GET, OPTIONS, DELETE, PUTHeader always set Access-Control-Max-Age

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    使用nginx代理跨域,使用nginx代理bing的每日一图

    http:localhost:8088; add_header Cache-Control public, max-age=604800; add_header Access-Control-Allow-Credentials , event-type, event-id, accept, content-type; add_header Access-Control-Max-Age 2592000; add_header Content-Length reqid, nid, host, x-real-ip, x-forwarded-ip, event-type, event-id, accept, content-type; add_header Access-Control-Max-Age ~添加一个header, add_header Access-Control-Max-Age 2592000;设置option的预检请求为204跳转, rewrite ^proxybing(.*)$ pub_cors add_header Cache-Control public, max-age=604800;proxy_pass https:cn.bing.com; 代理host,看样子下一步请求的host就是它

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    爬坑 http协议的options请求

    .; add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Credentials true; add_header ,time; add_header Access-Control-Expose-Headers Content-Disposition; add_header Access-Control-Max-Age Access-Control-Allow-Credentials true; #add_header Access-Control-Allow-Methods GET, POST, OPTIONS; #add_header Access-Control-Max-Age 1728000; #add_header Content-Length 0; return 204; } proxy_pass http ; proxy_set_header Host $host; }}提及个优化的事,就是为了快速访问网页,提升访问效率,有很多解决方式,比如服务端加缓存,前端懒加载等,但是忽略了一个很容易的优化,那就是Access-Control-Max-Age

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    Request header field x-xsrf-token is not allowed by Access-Control-Allow-Headers in preflight respon

    设置下Access-Control-Allow-Headers@Component@WebFilterpublic class CorsFilter implements Filter { private ,origin); response.setHeader(Access-Control-Allow-Methods, *); response.setHeader(Access-Control-Max-Age ,x-xsrf-token,x-csrf-token,If-Modified-Since,Cache-Control,Content-Type, X-Custom-Header, Access-Control-Expose-Headers , Token, Authorization); response.setHeader(Access-Control-Allow-Credentials, true); response.setHeader (Access-Control-Max-Age, 3600); response.setHeader(Expires, -1); response.setHeader(Cache-Control, no-cache

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    对CORS OPTIONS预检请求的一些思考

    Access-Control-Allow-Credentials: 是否携带票据访问(对应fetch方法中credentials),当该值为true时,Access-Control-Allow-Origin : 标识允许哪些额外的自定义 header 字段和非简单值的字段Access-Control-Max-Age: 表示可以缓存Access-Control-Allow-Methods和Access-Control-Allow-Headers 服务器端设置Access-Control-Max-Age字段当第一次请求该URL时会发出OPTIONS请求,浏览器会根据返回的Access-Control-Max-Age字段缓存该OPTIONS预检请求的响应结果 (chrome 打开控制台可以看到,当服务器响应Access-Control-Max-Age时只有第一次请求会有预检,后面不会了。 SetPreflightMaxAge(TimeSpan.FromHours(24)); }); });}- https:developer.mozilla.orgen-USdocsWebHTTPHeadersAccess-Control-Max-Age

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    Nginx 设置cors跨域

    location { if ($request_method = OPTIONS) { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods that this pre-flight info is valid for 20 days # add_header Access-Control-Max-Age 1728000; add_header *; add_header Access-Control-Allow-Methods GET, POST, OPTIONS; add_header Access-Control-Allow-Headers *; add_header Access-Control-Allow-Methods GET, POST, OPTIONS; add_header Access-Control-Allow-Headers ; add_header Access-Control-Allow-Credentials true; add_header Access-Control-Max-Age 1728000; # 20

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    curl在CDN排障中的常见用法

    : max-age=600Expires: Tue, 29 Aug 2017 11:56:50 GMTLast-Modified: Wed, 03 Sep 2014 07:35:47 GMTContent-Type : X-Client-Ip Access-Control-Expose-Headers: X-Server-Ip Access-Control-Expose-Headers: X-Upstream-Ip : X-Client-Ip < Access-Control-Expose-Headers: X-Server-Ip < Access-Control-Expose-Headers: X-Upstream-Ip : X-Client-Ip < Access-Control-Expose-Headers: X-Server-Ip < Access-Control-Expose-Headers: X-Upstream-Ip : X-Client-Ip < Access-Control-Expose-Headers: X-Server-Ip < Access-Control-Expose-Headers: X-Upstream-Ip

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    springmvc【问题1】跨域

    Access-Control-Max-Age: 3628800 Access-Control-Allow-Methods: GET,PUT, DELETE Access-Control-Allow-Headers : content-typeAccess-Control-Allow-Origin表明它允许 http:kbiao.me 发起跨域请求Access-Control-Max-Age表明在3628800秒内 (Access-Control-Max-Age, 3600); response.setHeader(Access-Control-Allow-Headers, x-requested-with,Authorization ,*); response.addHeader(Access-Control-Allow-Methods,*); response.addHeader(Access-Control-Max-Age,100 , Content-Type); response.addHeader(Access-Control-Max-Age, 1800);30 min } filterChain.doFilter(request

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    Java如何解决跨域问题

    , *); response.setHeader(Access-Control-Allow-Methods, *); response.setHeader(Access-Control-Max-Age, 3600); response.setHeader(Access-Control-Allow-Headers, *); response.setHeader(Access-Control-Allow-Credentials (Access-Control-Max-Age, 3600); response.setHeader(Access-Control-Allow-Headers, *); response.setHeader *; add_header Access-Control-Allow-Headers X-Requested-With; add_header Access-Control-Allow-Methods - http:sf.xx.com allowed-headers: * allowed-methods: - OPTIONS - GET - POST - DELETE - PUT - PATCH max-age

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    HTTP各种特性总览

    跨域请求的限制与解决在返回数据时设置头信息即可,例如:const http = require(http);http.createServer(function (req, res) { res.writeHead(200,{ Access-Control-Allow-Origin :*, 设置允许的请求头 Access-Control-Allow-Headers:X-Test-Cors, 设置允许的请求方法 Access-Control-Allow-Methods:POST,PUT ,Delete, 设置最长时间,即1000S内无需再次发送预请求 Access-Control-Max-Age:1000, })}).listen(8888); 缓存头Cache-Control的含义和使用 Cookie和SeesionCookie包含的属性max-age和expires设置过期时间Secure只在https的时候发送HttpOnly无法通过document.cookie访问const http , 设置过期时间2s的cookie Set-Cookie:id=123;max-age=2, Set-Cookie:abc=456, })}).listen(8888);Cookie存在过期时间,如果不设置过期时间

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    SpringBoot解决ajax跨域问题

    (Access-Control-Max-Age, 3600); response.setHeader(Access-Control-Allow-Headers, x-requested-with); chain.doFilter *; add_header Access-Control-Allow-Methods GET, POST, OPTIONS; add_header Access-Control-Allow-Headers ,Content-Range,Range,Token; add_header Access-Control-Max-Age 1728000; add_header Content-Type textplain *; add_header Access-Control-Allow-Methods GET, POST, OPTIONS; add_header Access-Control-Allow-Headers = GET) { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods GET, POST

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    同源策略和跨域解决方案

    “预检”缓存时间,服务器设置响应头:Access-Control-Max-Age? , PUT,DELETE) self.set_header(Access-Control-Max-Age, 10)Tornado? , PUT,DELETE) self.set_header(Access-Control-Max-Age, 10)? , PUT,DELETE) self.set_header(Access-Control-Max-Age, 10)? , PUT,DELETE) self.set_header(Access-Control-Max-Age, 10)

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    负载均衡环境中和如何设置Expires和Etag

    可以使用Apache的mod_expires 模块来设置,这包括控制应答时的Expires头内容和Cache-Control头的max-age指令ExpiresActive On ExpiresByType 官方文档 对此设置有详细介绍 当设置了expires后,会自动输出Cache-Controlmax-age 信息,这个数值是expires有效期内的秒数,(一个月的数值为2592000) 在这个时间段里 与Expires的分别主要重点在于我们要明白一个相对(Expires)一个绝对(max-age).分别max-age max-age是HTTP1.1中,他是指我们的web中的文件被用户访问(请求)后的存活时间 =18:30 得出:Expires不等于max-age另外要注意,象上面这种清况时,max-age优化,所以过期时间为18:30.在squid,如果没有指明expires和max-age这二个的截止时间 其实上面的max-age=18:20+600=18:30,这样算max-age不对,真实环境要这样算,max-age过期为http头中的Age=600过期.

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    面试官:说说你对 options 请求的理解

    告知服务器,实际请求将使用 POST 方法Access-Control-Request-Headers告知服务器,实际请求将携带的自定义请求首部字段如:Access-Control-Request-Method Access-Control-Max-Age指定了预检请求的结果能够被缓存多久Options 请求优化当我们发起跨域请求时,如果是简单请求,那么我们只会发出一次请求,但是如果是复杂请求则先发出 options 转为简单请求,如用 JSONP 做跨域请求对 options 请求进行缓存,服务器端设置 Access-Control-Max-Age 字段,那么当第一次请求该 URL 时会发出 OPTIONS 请求, 浏览器会根据返回的 Access-Control-Max-Age 字段缓存该请求的 OPTIONS 预检请求的响应结果(具体缓存时间还取决于浏览器的支持的默认最大值,取两者最小值,一般为 10 分钟)。 (chrome 打开控制台可以看到,当服务器响应 Access-Control-Max-Age 时只有第一次请求会有预检,后面不会了。注意要开启缓存,去掉 disable cache 勾选。)

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    spring security oauth2牛刀小试

    : no-cache, no-store, max-age=0, must-revalidatePragma: no-cacheExpires: 0X-Frame-Options: DENYCache-Control : no-cache, no-store, max-age=0, must-revalidatePragma: no-cacheExpires: 0X-Frame-Options: DENYX-Application-Context : no-cache, no-store, max-age=0, must-revalidatePragma: no-cacheExpires: 0X-Frame-Options: DENYContent-Type : no-cache, no-store, max-age=0, must-revalidatePragma: no-cacheExpires: 0X-Frame-Options: DENYX-Application-Context : no-cache, no-store, max-age=0, must-revalidatePragma: no-cacheExpires: 0X-Frame-Options: DENYX-Application-Context

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    nanohttpd:实现跨域(CORS)请求

    ) && headers.containsKey(access-control-request-headers); } ** * 向响应包中添加CORS包头数据 * @param session * @ = MoreObjects.firstNonNull(requestHeaders, Content-Type); resp.addHeader(Access-Control-Allow-Headers , allowHeaders); resp.addHeader(Access-Control-Max-Age, 86400); resp.addHeader(Access-Control-Max-Age (headers.get(origin, *); resp.addHeader(Access-Control-Allow-Origin, origin); String requestHeaders = headers.get(access-control-request-headers); if(requestHeaders !

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    在SpringBoot中处理跨域

    Access-Control-Request-Method:接下来会用到的请求方式,比如PUTAccess-Control-Request-Headers:会额外用到的头信息预检请求的响应服务的收到预检请求 : X-Custom-HeaderAccess-Control-Max-Age: 1728000Content-Type: texthtml; charset=utf-8Content-Encoding ,需要在返回的响应头中携带下面信息:Access-Control-Allow-Origin:可接受的域,是一个具体域名或者*(代表任意域名)Access-Control-Allow-Credentials :允许携带的头Access-Control-Max-Age:本次许可的有效时长,单位是秒,过期之前的ajax请求就无需再次进行预检了有关cookie:要想操作cookie,需要满足3个条件:服务的响应头中需要携带 Access-Control-Allow-Credentials并且为true。

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    AngularJS实现cookie跨域

    . * response.setHeader(Access-Control-Allow-Origin, http:test.domain.cn); 请求源 response.setHeader(Access-Control-Allow-Methods ,POST); 请求方式POST, GET, OPTIONS response.setHeader(Access-Control-Max-Age, 3600); 有效期 response.setHeader (Access-Control-Allow-Headers, Content-Type, *); 请求头类型 response.setHeader(Access-Control-Allow-Credentials : | * 授权的源控制 Access-Control-Max-Age: 授权的时间 Access-Control-Allow-Credentials: true | false 控制是否开启与Ajax 的Cookie提交方式 Access-Control-Allow-Methods: * 允许请求的HTTP Method Access-Control-Allow-Headers: * 控制哪些header

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