一段萬能的nginx接口反向代理配置

時間  2019-11-09
標籤 一段 萬能的 nginx 接口 反向 代理 配置 欄目 Nginx 简体版
原文   原文鏈接

做爲前端開發，每次調試接口，把代碼發到測試服務器，是很費時費事的一件事情。
爲了提升效率，想到了nginx反向代理來解決這一問題。css

接口地址：
test.comhtml

訪問地址：
localhost前端

最核心的問題就是，登陸時，沒法寫入cookie的問題，爲了解決這個問題，走了很多彎路。vue

worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile      on;
    keepalive_timeout 10;
    server {
        listen  80;
        server_name  localhost;
        
        location =/ {
            add_header X-Frame-Options SAMEORIGIN;
            root        D:/workspace/;
            index index.html;
        }

        location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {
            charset     utf-8;
            root        D:/workspace/;
            expires     3d;
        }
        
        location = /socket/v2 {
            proxy_pass   http://test.com;
            proxy_redirect off;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_connect_timeout 30;
            proxy_send_timeout 30;
            proxy_read_timeout 60;
            proxy_buffer_size 256k;
            proxy_buffers 4 256k;
        }
        
        location / {
            proxy_pass   http://test.com;
            proxy_set_header Cookie $http_cookie;
            proxy_cookie_domain test.com localhost;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
        }
    }
}

核心代碼在三行代碼上：
proxy_set_header Cookie $http_cookie;
proxy_cookie_domain test.com localhost;
proxy_set_header Host test.com;node

具體解釋我也是隻知其一;不知其二：
第一個是攜帶cookie，
第二個設置cookie 的 domain
第三個 設置真實的hostnginx

重要提示：以上3個的順序不要顛倒，不然代理失敗，我也不知道爲何。

如何在手機上調試呢？json

手機上不可能直接訪問localhost,能夠把手機和電腦鏈接到同一個網段，使用電腦的ip進行訪問。
可是這裏只代理了localhost,並無代理電腦的ip服務器

因此，須要把是上面的server{...}拷貝一份，只須要把裏面的localhost所有改爲你的電腦ip就能夠了，最終代碼：cookie

worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile      on;
    keepalive_timeout 10;
    server {
        listen  80;
        server_name  localhost;
        
        location =/ {
            add_header X-Frame-Options SAMEORIGIN;
            root        D:/workspace/;
            index index.html;
        }

        location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {
            charset     utf-8;
            root        D:/workspace/;
            expires     3d;
        }
        
        location = /socket/v2 {
            proxy_pass   http://test.com;
            proxy_redirect off;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_connect_timeout 30;
            proxy_send_timeout 30;
            proxy_read_timeout 60;
            proxy_buffer_size 256k;
            proxy_buffers 4 256k;
        }
        
        location / {
            proxy_pass   http://test.com;
            proxy_set_header Cookie $http_cookie;
            proxy_cookie_domain test.com localhost;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
        }
    }
    server {
        listen  8080;
        server_name  xx.xx.xx.xx;
        
        location =/ {
            add_header X-Frame-Options SAMEORIGIN;
            root        D:/workspace/;
            index index.html;
        }

        location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {
            charset     utf-8;
            root        D:/workspace/;
            expires     3d;
        }
        
        location = /socket/v2 {
            proxy_pass   http://test.com;
            proxy_redirect off;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_connect_timeout 30;
            proxy_send_timeout 30;
            proxy_read_timeout 60;
            proxy_buffer_size 256k;
            proxy_buffers 4 256k;
        }
        
        location / {
            proxy_pass   http://test.com;
            proxy_set_header Cookie $http_cookie;
            proxy_cookie_domain test.com xx.xx.xx.xx;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host test.com;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
        }
    }
}

訪問方法：app

http://xx.xx.xx.xx:8080 便可

若是是打包工具生成增這個配置的話，能夠用nodejs動態獲取你電腦的ip

function  getIPAdress() {      
    var  interfaces  =  require('os').networkInterfaces();      
    for (var  devName  in  interfaces) {            
        var  iface  =  interfaces[devName];            
        for (var  i = 0; i < iface.length; i++) {                 
            var  alias  =  iface[i];                 
            if (alias.family  ===  'IPv4'  &&  alias.address  !==  '127.0.0.1'  &&  !alias.internal) {                       
                return  alias.address;
            }            
        }      
    }  
}

因此，這裏貼出來一個動態生成nginx.config的工具

function buildNginxConfig(config) {

    function  getIPAdress() {      
        var  interfaces  =  require('os').networkInterfaces();      
        for (var  devName  in  interfaces) {            
            var  iface  =  interfaces[devName];            
            for (var  i = 0; i < iface.length; i++) {                 
                var  alias  =  iface[i];                 
                if (alias.family  ===  'IPv4'  &&  alias.address  !==  '127.0.0.1'  &&  !alias.internal) {                       
                    return  alias.address;                 
                }            
            }      
        }  
    }
    var cwd = process.cwd().replace(/\\/g, '/') + '/app';
    var protocol = /https|443/.test(config.ip) ? 'https' : 'http';

    var servers = [{
        browserIp: 'localhost',
        port: 80,
        root: cwd,
        serverIp: config.ip,
        protocol: protocol,
    }, {
        browserIp: getIPAdress(),
        port: 8080,
        root: cwd,
        serverIp: config.ip,
        protocol: protocol,
    }].map(function(item) {
        return `
    server {
        listen  ${item.port};
        server_name  ${item.browserIp};
        
        location =/ {
            add_header X-Frame-Options SAMEORIGIN;
            root        ${item.root};
            index index.html;
        }

        location ~* \\.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {
            charset     utf-8;
            root        ${item.root};
            expires     3d;
        }
        
        location = /socket/v2 {
            proxy_pass   ${item.protocol}://${item.serverIp};
            proxy_redirect off;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host ${item.serverIp};
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_connect_timeout 30;
            proxy_send_timeout 30;
            proxy_read_timeout 60;
            proxy_buffer_size 256k;
            proxy_buffers 4 256k;
        }
        
        location / {
            proxy_pass   ${item.protocol}://${item.serverIp};
            proxy_set_header Cookie $http_cookie;
            proxy_cookie_domain ${item.serverIp} ${item.browserIp};
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host ${item.serverIp};
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
        }
    }`;
    }).join('\n');
    var str = `worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile      on;
    keepalive_timeout 10;
    ${servers}
}`;

    return str;
}

exports = module.exports = buildNginxConfig;

有了這個萬能反向代理，能夠爲所欲爲的玩轉任何網站接口了

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