LiuShen revised this gist 1 year ago. Go to revision
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LiuShen revised this gist 1 year ago. Go to revision
No changes
LiuShen revised this gist 1 year ago. Go to revision
1 file changed, 182 insertions
worker.js(file created)
| @@ -0,0 +1,182 @@ | |||
| 1 | + | const upstream = 'cdn.jsdelivr.net' | |
| 2 | + | const upstream_mobile = 'cdn.jsdelivr.net' | |
| 3 | + | ||
| 4 | + | const blocked_region = ['KP', 'RU'] | |
| 5 | + | const blocked_ip_address = ['0.0.0.0', '127.0.0.1'] | |
| 6 | + | ||
| 7 | + | const replace_dict = { | |
| 8 | + | '$upstream': '$custom_domain', | |
| 9 | + | '//cdn.jsdelivr.net': '' | |
| 10 | + | } | |
| 11 | + | ||
| 12 | + | addEventListener('fetch', event => { | |
| 13 | + | event.respondWith(fetchAndApply(event.request)); | |
| 14 | + | }) | |
| 15 | + | ||
| 16 | + | async function fetchAndApply(request) { | |
| 17 | + | const region = request.headers.get('cf-ipcountry').toUpperCase(); | |
| 18 | + | const ip_address = request.headers.get('cf-connecting-ip'); | |
| 19 | + | const user_agent = request.headers.get('user-agent'); | |
| 20 | + | ||
| 21 | + | let response = null; | |
| 22 | + | let url = new URL(request.url); | |
| 23 | + | let url_host = url.host; | |
| 24 | + | ||
| 25 | + | // 检查路径是否不是 /gh/ 或 /npm/ 或 /wp/ | |
| 26 | + | if (!url.pathname.startsWith('/gh/') && !url.pathname.startsWith('/npm/') && !url.pathname.startsWith('/wp/')) { | |
| 27 | + | // 返回简单的 HTML 页面并在 3 秒后重定向到 https://jsd-page.qyliu.top/ | |
| 28 | + | const htmlContent = ` | |
| 29 | + | <!DOCTYPE html> | |
| 30 | + | <html lang="zh-CN"> | |
| 31 | + | <head> | |
| 32 | + | <meta charset="UTF-8"> | |
| 33 | + | <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| 34 | + | <title>正在跳转...</title> | |
| 35 | + | <style> | |
| 36 | + | body { | |
| 37 | + | margin: 0; | |
| 38 | + | padding: 0; | |
| 39 | + | display: flex; | |
| 40 | + | justify-content: center; | |
| 41 | + | align-items: center; | |
| 42 | + | height: 100vh; | |
| 43 | + | background-color: #f3f4f6; | |
| 44 | + | font-family: Arial, sans-serif; | |
| 45 | + | color: #333; | |
| 46 | + | } | |
| 47 | + | .container { | |
| 48 | + | text-align: center; | |
| 49 | + | background-color: #fff; | |
| 50 | + | padding: 20px; | |
| 51 | + | border-radius: 8px; | |
| 52 | + | box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); | |
| 53 | + | } | |
| 54 | + | .container h1 { | |
| 55 | + | font-size: 24px; | |
| 56 | + | margin-bottom: 10px; | |
| 57 | + | } | |
| 58 | + | .container p { | |
| 59 | + | font-size: 16px; | |
| 60 | + | color: #666; | |
| 61 | + | } | |
| 62 | + | </style> | |
| 63 | + | <script type="text/javascript"> | |
| 64 | + | setTimeout(function() { | |
| 65 | + | window.location.href = "https://jsd-page.qyliu.top/"; | |
| 66 | + | }, 3000); | |
| 67 | + | </script> | |
| 68 | + | </head> | |
| 69 | + | <body> | |
| 70 | + | <div class="container"> | |
| 71 | + | <h1>...正在跳转...</h1> | |
| 72 | + | <p>该路径禁止访问</p> | |
| 73 | + | <p>您将被重定向，请稍候...</p> | |
| 74 | + | </div> | |
| 75 | + | </body> | |
| 76 | + | </html> | |
| 77 | + | `; | |
| 78 | + | return new Response(htmlContent, { | |
| 79 | + | headers: { 'Content-Type': 'text/html' }, | |
| 80 | + | }); | |
| 81 | + | } | |
| 82 | + | ||
| 83 | + | if (url.protocol == 'http:') { | |
| 84 | + | url.protocol = 'https:' | |
| 85 | + | response = Response.redirect(url.href); | |
| 86 | + | return response; | |
| 87 | + | } | |
| 88 | + | ||
| 89 | + | let upstream_domain; | |
| 90 | + | ||
| 91 | + | if (await device_status(user_agent)) { | |
| 92 | + | upstream_domain = upstream | |
| 93 | + | } else { | |
| 94 | + | upstream_domain = upstream_mobile | |
| 95 | + | } | |
| 96 | + | ||
| 97 | + | url.host = upstream_domain; | |
| 98 | + | ||
| 99 | + | if (blocked_region.includes(region)) { | |
| 100 | + | response = new Response('Access denied: WorkersProxy is not available in your region yet.', { | |
| 101 | + | status: 403 | |
| 102 | + | }); | |
| 103 | + | } else if(blocked_ip_address.includes(ip_address)){ | |
| 104 | + | response = new Response('Access denied: Your IP address is blocked by WorkersProxy.', { | |
| 105 | + | status: 403 | |
| 106 | + | }); | |
| 107 | + | } else{ | |
| 108 | + | let method = request.method; | |
| 109 | + | let request_headers = request.headers; | |
| 110 | + | let new_request_headers = new Headers(request_headers); | |
| 111 | + | ||
| 112 | + | new_request_headers.set('Host', upstream_domain); | |
| 113 | + | new_request_headers.set('Referer', url.href); | |
| 114 | + | ||
| 115 | + | let original_response = await fetch(url.href, { | |
| 116 | + | method: method, | |
| 117 | + | headers: new_request_headers | |
| 118 | + | }) | |
| 119 | + | ||
| 120 | + | let original_response_clone = original_response.clone(); | |
| 121 | + | let original_text = null; | |
| 122 | + | let response_headers = original_response.headers; | |
| 123 | + | let new_response_headers = new Headers(response_headers); | |
| 124 | + | ||
| 125 | + | let status = original_response.status; | |
| 126 | + | ||
| 127 | + | new_response_headers.set('access-control-allow-origin', '*'); | |
| 128 | + | new_response_headers.set('access-control-allow-credentials', 'true'); // 将 true 转换为字符串 | |
| 129 | + | new_response_headers.delete('content-security-policy'); | |
| 130 | + | new_response_headers.delete('content-security-policy-report-only'); | |
| 131 | + | new_response_headers.delete('clear-site-data'); | |
| 132 | + | ||
| 133 | + | const content_type = new_response_headers.get('content-type'); | |
| 134 | + | if (content_type && content_type.includes('text/html') && content_type.includes('UTF-8')) { | |
| 135 | + | original_text = await replace_response_text(original_response_clone, upstream_domain, url_host); | |
| 136 | + | } else { | |
| 137 | + | original_text = original_response_clone.body; | |
| 138 | + | } | |
| 139 | + | ||
| 140 | + | response = new Response(original_text, { | |
| 141 | + | status, | |
| 142 | + | headers: new_response_headers | |
| 143 | + | }) | |
| 144 | + | } | |
| 145 | + | return response; | |
| 146 | + | } | |
| 147 | + | ||
| 148 | + | async function replace_response_text(response, upstream_domain, host_name) { | |
| 149 | + | let text = await response.text() | |
| 150 | + | ||
| 151 | + | var i, j; | |
| 152 | + | for (i in replace_dict) { | |
| 153 | + | j = replace_dict[i] | |
| 154 | + | if (i == '$upstream') { | |
| 155 | + | i = upstream_domain | |
| 156 | + | } else if (i == '$custom_domain') { | |
| 157 | + | i = host_name | |
| 158 | + | } | |
| 159 | + | ||
| 160 | + | if (j == '$upstream') { | |
| 161 | + | j = upstream_domain | |
| 162 | + | } else if (j == '$custom_domain') { | |
| 163 | + | j = host_name | |
| 164 | + | } | |
| 165 | + | ||
| 166 | + | let re = new RegExp(i, 'g') | |
| 167 | + | text = text.replace(re, j); | |
| 168 | + | } | |
| 169 | + | return text; | |
| 170 | + | } | |
| 171 | + | ||
| 172 | + | async function device_status (user_agent_info) { | |
| 173 | + | var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"]; | |
| 174 | + | var flag = true; | |
| 175 | + | for (var v = 0; v < agents.length; v++) { | |
| 176 | + | if (user_agent_info.indexOf(agents[v]) > 0) { | |
| 177 | + | flag = false; | |
| 178 | + | break; | |
| 179 | + | } | |
| 180 | + | } | |
| 181 | + | return flag; | |
| 182 | + | } | |
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