{"id":42248,"date":"2024-10-03T05:46:48","date_gmt":"2024-10-02T21:46:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42248\/"},"modified":"2024-10-03T05:46:49","modified_gmt":"2024-10-02T21:46:49","slug":"cdn%e5%85%a5%e9%96%80-cdn%e5%92%8curl%e7%b0%bd%e5%90%8d%e4%bb%a5%e9%80%b2%e8%a1%8c%e5%ae%89%e5%85%a8%e5%85%a7%e5%ae%b9%e5%82%b3%e9%80%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42248\/","title":{"rendered":"CDN\u5165\u9580 &#8211; CDN\u548cURL\u7c3d\u540d\u4ee5\u9032\u884c\u5b89\u5168\u5167\u5bb9\u50b3\u9001"},"content":{"rendered":"<h1 id=\"cdn%e5%85%a5%e9%96%80-cdn%e5%92%8curl%e7%b0%bd%e5%90%8d%e4%bb%a5%e9%80%b2%e8%a1%8c%e5%ae%89%e5%85%a8%e5%85%a7%e5%ae%b9%e5%82%b3%e9%80%81-gYDIgRPUGz\">CDN\u5165\u9580 &#8211; CDN\u548cURL\u7c3d\u540d\u4ee5\u9032\u884c\u5b89\u5168\u5167\u5bb9\u50b3\u9001<\/h1>\n<p>\u96a8\u8457\u7db2\u969b\u7db2\u8def\u7684\u8fc5\u901f\u767c\u5c55\uff0c\u5167\u5bb9\u50b3\u9001\u7db2\u8def\uff08CDN\uff09\u5df2\u6210\u70ba\u7db2\u7ad9\u6027\u80fd\u512a\u5316\u548c\u5b89\u5168\u6027\u63d0\u5347\u7684\u91cd\u8981\u5de5\u5177\u3002CDN\u7684\u4e3b\u8981\u529f\u80fd\u662f\u901a\u904e\u5206\u4f48\u5728\u5168\u7403\u5404\u5730\u7684\u4f3a\u670d\u5668\u4f86\u52a0\u901f\u5167\u5bb9\u7684\u50b3\u9001\uff0c\u5f9e\u800c\u63d0\u9ad8\u7528\u6236\u7684\u8a2a\u554f\u901f\u5ea6\u548c\u9ad4\u9a57\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0eCDN\u7684\u57fa\u672c\u6982\u5ff5\u4ee5\u53ca\u5982\u4f55\u5229\u7528URL\u7c3d\u540d\u6280\u8853\u4f86\u78ba\u4fdd\u5167\u5bb9\u7684\u5b89\u5168\u50b3\u9001\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afcdn%ef%bc%9f-gYDIgRPUGz\">\u4ec0\u9ebc\u662fCDN\uff1f<\/h2>\n<p>\u5167\u5bb9\u50b3\u9001\u7db2\u8def\uff08CDN\uff09\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u7684\u4f3a\u670d\u5668\u7cfb\u7d71\uff0c\u65e8\u5728\u901a\u904e\u5c07\u5167\u5bb9\u7de9\u5b58\u5230\u9760\u8fd1\u7528\u6236\u7684\u4f3a\u670d\u5668\u4e0a\u4f86\u63d0\u9ad8\u7db2\u7ad9\u7684\u52a0\u8f09\u901f\u5ea6\u3002\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u7db2\u9801\u6642\uff0cCDN\u6703\u81ea\u52d5\u5c07\u8acb\u6c42\u5c0e\u5411\u6700\u8fd1\u7684\u4f3a\u670d\u5668\uff0c\u5f9e\u800c\u6e1b\u5c11\u5ef6\u9072\u548c\u63d0\u9ad8\u52a0\u8f09\u901f\u5ea6\u3002<\/p>\n<h3 id=\"cdn%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-gYDIgRPUGz\">CDN\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<ul>\n<li><strong>\u5167\u5bb9\u7de9\u5b58\uff1a<\/strong>CDN\u6703\u5c07\u975c\u614b\u5167\u5bb9\uff08\u5982\u5716\u7247\u3001CSS\u548cJavaScript\u6587\u4ef6\uff09\u7de9\u5b58\u5230\u5176\u908a\u7de3\u4f3a\u670d\u5668\u4e0a\u3002<\/li>\n<li><strong>\u8acb\u6c42\u8def\u7531\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u7db2\u7ad9\u6642\uff0cCDN\u6703\u6839\u64da\u7528\u6236\u7684\u5730\u7406\u4f4d\u7f6e\u5c07\u8acb\u6c42\u8def\u7531\u5230\u6700\u8fd1\u7684\u4f3a\u670d\u5668\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>CDN\u80fd\u5920\u5206\u6563\u6d41\u91cf\uff0c\u6e1b\u5c11\u4e3b\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"url%e7%b0%bd%e5%90%8d%e6%8a%80%e8%a1%93-gYDIgRPUGz\">URL\u7c3d\u540d\u6280\u8853<\/h2>\n<p>\u5728\u4f7f\u7528CDN\u6642\uff0c\u5b89\u5168\u6027\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002URL\u7c3d\u540d\u6280\u8853\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u4fdd\u8b77\u5167\u5bb9\u4e0d\u88ab\u672a\u7d93\u6388\u6b0a\u7684\u7528\u6236\u8a2a\u554f\u3002\u9019\u7a2e\u6280\u8853\u901a\u904e\u5728URL\u4e2d\u6dfb\u52a0\u7c3d\u540d\u53c3\u6578\u4f86\u78ba\u4fdd\u8acb\u6c42\u7684\u5408\u6cd5\u6027\u3002<\/p>\n<h3 id=\"url%e7%b0%bd%e5%90%8d%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-gYDIgRPUGz\">URL\u7c3d\u540d\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>URL\u7c3d\u540d\u7684\u57fa\u672c\u539f\u7406\u662f\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u7c3d\u540d\uff0c\u8a72\u7c3d\u540d\u662f\u57fa\u65bc\u8acb\u6c42\u7684\u5167\u5bb9\u548c\u4e00\u500b\u79c1\u5bc6\u5bc6\u9470\u751f\u6210\u7684\u3002\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u8cc7\u6e90\u6642\uff0cCDN\u6703\u6aa2\u67e5\u8a72\u7c3d\u540d\u662f\u5426\u6709\u6548\uff0c\u5f9e\u800c\u6c7a\u5b9a\u662f\u5426\u5141\u8a31\u8a2a\u554f\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-gYDIgRPUGz\">\u793a\u4f8b\u4ee3\u78bc<\/h4>\n<pre><code>import hmac\nimport hashlib\nimport base64\nimport time\n\ndef generate_signed_url(base_url, secret_key, expiration_time):\n    # \u8a2d\u5b9a\u904e\u671f\u6642\u9593\n    expire_timestamp = int(time.time()) + expiration_time\n    # \u751f\u6210\u7c3d\u540d\n    string_to_sign = f\"{base_url}?expires={expire_timestamp}\"\n    signature = base64.urlsafe_b64encode(hmac.new(secret_key.encode(), string_to_sign.encode(), hashlib.sha256).digest()).decode()\n    # \u8fd4\u56de\u7c3d\u540d\u7684URL\n    return f\"{base_url}?expires={expire_timestamp}&amp;signature={signature}\"\n\n# \u4f7f\u7528\u793a\u4f8b\nbase_url = \"https:\/\/example.com\/resource\"\nsecret_key = \"your_secret_key\"\nexpiration_time = 3600  # 1\u5c0f\u6642\nsigned_url = generate_signed_url(base_url, secret_key, expiration_time)\nprint(signed_url)\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528HMAC\u548cSHA-256\u7b97\u6cd5\u751f\u6210\u4e86\u4e00\u500b\u7c3d\u540d\u7684URL\u3002\u9019\u500bURL\u5728\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\uff0c\u78ba\u4fdd\u4e86\u5167\u5bb9\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"cdn%e7%9a%84%e5%84%aa%e5%8b%a2-gYDIgRPUGz\">CDN\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528CDN\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u7db2\u7ad9\u7684\u52a0\u8f09\u901f\u5ea6\uff0c\u9084\u80fd\u589e\u5f37\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662fCDN\u7684\u4e00\u4e9b\u4e3b\u8981\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u901a\u904e\u5c07\u5167\u5bb9\u7de9\u5b58\u5230\u9760\u8fd1\u7528\u6236\u7684\u4f3a\u670d\u5668\u4e0a\uff0cCDN\u80fd\u986f\u8457\u6e1b\u5c11\u52a0\u8f09\u6642\u9593\u3002<\/li>\n<li><strong>\u589e\u5f37\u5b89\u5168\u6027\uff1a<\/strong>URL\u7c3d\u540d\u6280\u8853\u53ef\u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\uff0c\u4fdd\u8b77\u654f\u611f\u5167\u5bb9\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u4f3a\u670d\u5668\u8ca0\u64d4\uff1a<\/strong>CDN\u80fd\u5920\u5206\u6563\u6d41\u91cf\uff0c\u6e1b\u5c11\u4e3b\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gYDIgRPUGz\">\u7e3d\u7d50<\/h2>\n<p>CDN\u4f5c\u70ba\u4e00\u7a2e\u6709\u6548\u7684\u5167\u5bb9\u50b3\u9001\u89e3\u6c7a\u65b9\u6848\uff0c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7db2\u7ad9\u7684\u6027\u80fd\uff0c\u9084\u80fd\u901a\u904eURL\u7c3d\u540d\u6280\u8853\u589e\u5f37\u5167\u5bb9\u7684\u5b89\u5168\u6027\u3002\u96a8\u8457\u7db2\u969b\u7db2\u8def\u7684\u767c\u5c55\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u4f01\u696d\u9078\u64c7\u4f7f\u7528CDN\u4f86\u512a\u5316\u5176\u7db2\u7ad9\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548cCDN\u670d\u52d9\u4f86\u63d0\u5347\u60a8\u7684\u7db2\u7ad9\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3CDN\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u5982\u4f55\u5229\u7528URL\u7c3d\u540d\u78ba\u4fdd\u5b89\u5168\u5167\u5bb9\u50b3\u9001\uff0c\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u8207\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[],"class_list":["post-42248","post","type-post","status-publish","format-standard","hentry","category-4928"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=42248"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42248\/revisions"}],"predecessor-version":[{"id":42249,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42248\/revisions\/42249"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}