URL鉴权说明

{"value":"### \u4e3a\u4ec0\u4e48\u8981\u914d\u7f6eURL\u9274\u6743\uff1f\n\n\u5728CDN\u5206\u53d1\u7684\u5185\u5bb9\u9ed8\u8ba4\u4e3a\u516c\u5f00\u8d44\u6e90\uff0c\u7528\u6237\u62ff\u5230URL\u540e\u5747\u53ef\u8bbf\u95ee\uff0c\u4e3a\u9632\u6b62\u7ad9\u70b9\u8d44\u6e90\u88ab\u6076\u610f\u4e0b\u8f7d\u76d7\u7528\uff0c\u9664\u4e86\u901a\u8fc7Referer\u9632\u76d7\u94fe\u3001IP\u9ed1\u767d\u540d\u5355\u7b49\u9632\u63a7\u65b9\u5f0f\uff0c\u60a8\u8fd8\u53ef\u4ee5\u91c7\u7528URL\u9274\u6743\uff0c\u81ea\u884c\u914d\u7f6e\u6821\u9a8c\u9274\u6743URL\u4e2d\u7684\u52a0\u5bc6\u4e32\u548c\u65f6\u95f4\u6233\uff0c\u66f4\u5b89\u5168\u6709\u6548\u5730\u4fdd\u62a4\u6e90\u7ad9\u8d44\u6e90\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u9274\u6743URL\u7684\u903b\u8f91\u3001\u5f00\u542f\u6216\u5173\u95ed\u9274\u6743\u3001\u4ee5\u53ca\u9a8c\u8bc1\u65b9\u6cd5\u3002\n\n### CDNCloud\u7684\u9274\u6743\u65b9\u5f0f\n\n CDNCloud\u7684\u9274\u6743\u4e3b\u8981\u6709\u4e24\u5f0f\uff1a\u4e00\u3001\u9274\u6743JWT\u6a21\u5f0f\uff1b\u4e8c\u3001\u9274\u6743ALI-A\u6a21\u5f0f\u3002\n\n\n### \u9274\u6743\u7684\u914d\u7f6e\u8bf4\u660e\n\n#### \u4e00\u3001\u9274\u6743JWT\u65b9\u5f0f\n\n##### \u00b7 a.\u9274\u6743JWT\u65b9\u5f0f\u52a0\u5bc6URL\u6784\u6210\n\n\u3000\u3000\u3000http:\/\/DomainName\/Filename?auth_key=<jwt\u5b57\u7b26\u4e32>\n\n##### \u00b7 b.\u9274\u6743\u5b57\u6bb5\u8bf4\u660e\n\n| \u5b57\u6bb5 | \u63cf\u8ff0 |\n| ---------- | ------------------------------------------------------ |\n| DomainName | CDN\u7ad9\u70b9\u7684\u57df\u540d\u3002 |\n| Filename | \u5b9e\u9645\u56de\u6e90\u8bbf\u95ee\u7684URL\uff0c\u9274\u6743\u65f6Filename\u9700\u4ee5\u6b63\u659c\u7ebf\uff08\/\uff09\u5f00\u5934\u3002 |\n| auth_key | \u60a8\u8bbe\u5b9a\u7684\u9274\u6743\u5bc6\u94a5\u3002 |\n| jwt\u5b57\u7b26\u4e32 | \u57fa\u4e8ejwt\u5f00\u653e\u6807\u51c6\u8ba1\u7b97\u51fa\u6765\u7684 |\n\n##### \u00b7 c.JWT\u6784\u6210\n\n\u3000\u3000JWT\u5c31\u662f\u4e00\u6bb5\u5b57\u7b26\u4e32\uff0c\u7531\u4e09\u6bb5\u4fe1\u606f\u6784\u6210\u7684\uff0c\u5c06\u8fd9\u4e09\u6bb5\u4fe1\u606f\u6587\u672c\u7528 .\u94fe\u63a5\u4e00\u8d77\u5c31\u6784\u6210\u4e86Jwt\u5b57\u7b26\u4e32\u3002\u5c31\u50cf\u8fd9\u6837: \n\n\u200b eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ\n\n\u3000\u3000\u7b2c\u4e00\u90e8\u5206\u6211\u4eec\u79f0\u5b83\u4e3a\u5934\u90e8\uff08header),\u7b2c\u4e8c\u90e8\u5206\u6211\u4eec\u79f0\u5176\u4e3a\u8f7d\u8377\uff08payload, \u7c7b\u4f3c\u4e8e\u98de\u673a\u4e0a\u627f\u8f7d\u7684\u7269\u54c1)\uff0c\u7b2c\u4e09\u90e8\u5206\u662f\u7b7e\u8bc1\uff08signature).\n\n\u3000\u30001\u3001\u5934\u90e8\uff08header)\n\n\u3000\u3000\u3000\u3000jwt\u7684\u5934\u90e8\u627f\u8f7d\u4e24\u90e8\u5206\u4fe1\u606f\uff1a\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u58f0\u660e\u7c7b\u578b\uff0c\u8fd9\u91cc\u662fjwt\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u58f0\u660e\u52a0\u5bc6\u7684\u7b97\u6cd5 \u901a\u5e38\u76f4\u63a5\u4f7f\u7528 HMAC SHA256\n\n\u3000\u3000\u3000\u3000\u5b8c\u6574\u7684\u5934\u90e8\u5c31\u50cf\u4e0b\u9762\u8fd9\u6837\u7684JSON\uff1a\n\n\u200b {\n\n\u200b 'typ': 'JWT',\n\n\u200b 'alg': 'HS256'\n\n\u200b }\n\n\u3000\u3000\u3000\u3000\u7136\u540e\u5c06\u5934\u90e8\u8fdb\u884cbase64\u52a0\u5bc6\uff08\u8be5\u52a0\u5bc6\u662f\u53ef\u4ee5\u5bf9\u79f0\u89e3\u5bc6\u7684),\u6784\u6210\u4e86\u7b2c\u4e00\u90e8\u5206.\n\n\u200b eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9\n\n\u3000\u30002\u3001\u8f7d\u8377\uff08payload\uff09\u7528\u6765\u5b58\u653e\u5b9e\u9645\u9700\u8981\u4f20\u9012\u7684\u6570\u636e\u3002\n\n\u3000\u3000\u3000\u30002.1\u3001\u8f7d\u8377\u5c31\u662f\u5b58\u653e\u6709\u6548\u4fe1\u606f\u7684\u5730\u65b9\u3002\u8fd9\u4e2a\u540d\u5b57\u50cf\u662f\u7279\u6307\u98de\u673a\u4e0a\u627f\u8f7d\u7684\u8d27\u54c1\uff0c\u8fd9\u4e9b\u6709\u6548\u4fe1\u606f\u5305\u542b\u4e09\u4e2a\u90e8\u5206\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u6807\u51c6\u4e2d\u6ce8\u518c\u7684\u58f0\u660e\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u516c\u5171\u7684\u58f0\u660e\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u79c1\u6709\u7684\u58f0\u660e\n\n\u3000\u3000\u3000\u30002.2\u3001\u6807\u51c6\u4e2d\u6ce8\u518c\u7684\u58f0\u660e (\u5efa\u8bae\u4f46\u4e0d\u5f3a\u5236\u4f7f\u7528) \uff1a\n\n\u3000\u3000\u3000\u3000\u3000\u3000sub: jwt\u6240\u9762\u5411\u7684\u7528\u6237\n\n\u3000\u3000\u3000\u3000\u3000\u3000name: \u63a5\u6536jwt\u7684\u4e00\u65b9\n\n\u3000\u3000\u3000\u3000\u3000\u3000iat: jwt\u7684\u7b7e\u53d1\u65f6\u95f4\n\n\u3000\u3000\u3000\u30002.3\u3001\u516c\u5171\u7684\u58f0\u660e \n\n\u3000\u3000\u3000\u3000\u3000\u3000\u516c\u5171\u7684\u58f0\u660e\u53ef\u4ee5\u6dfb\u52a0\u4efb\u4f55\u7684\u4fe1\u606f\uff0c\u4e00\u822c\u6dfb\u52a0\u7528\u6237\u7684\u76f8\u5173\u4fe1\u606f\u6216\u5176\u4ed6\u4e1a\u52a1\u9700\u8981\u7684\u5fc5\u8981\u4fe1\u606f.\u4f46\u4e0d\u5efa\u8bae\u6dfb\u52a0\u654f\u611f\u4fe1\u606f\uff0c\u56e0\u4e3a\u8be5\u90e8\u5206\u5728\u5ba2\u6237\u7aef\u53ef\u89e3\u5bc6.\n\n\u3000\u3000\u3000\u30002.4\u3001\u79c1\u6709\u7684\u58f0\u660e \n\n\u3000\u3000\u3000\u3000\u3000\u3000 \u79c1\u6709\u58f0\u660e\u662f\u63d0\u4f9b\u8005\u548c\u6d88\u8d39\u8005\u6240\u5171\u540c\u5b9a\u4e49\u7684\u58f0\u660e\uff0c\u4e00\u822c\u4e0d\u5efa\u8bae\u5b58\u653e\u654f\u611f\u4fe1\u606f\uff0c\u56e0\u4e3abase64\u662f\u5bf9\u79f0\u89e3\u5bc6\u7684\uff0c\u610f\u5473\u7740\u8be5\u90e8\u5206\u4fe1\u606f\u53ef\u4ee5\u5f52\u7c7b\u4e3a\u660e\u6587\u4fe1\u606f\n\n\u4f8b\u5982\uff0c\u539f\u59cb\u7684URL\u662f\uff1ahttp:\/\/jwt.tom.com\/001.jpg?status=\n\n \u5b9a\u4e49\u4e00\u4e2apayload:\n\n\u200b {\n\n\"aud\": \"jwt.tom.com\",\uff08# \u5bf9\u5e94URL\u4e2d\u7684\u4e3b\u673a\u540d\uff09\n\n\u200b \"sub\": \"\/001.jpg\",\uff08# \u5bf9\u5e94URL\u4e2d\u7684URI\u90e8\u5206\uff09\n\n\u200b \"name\": \"John Doe\",\n\n\u200b \"iat\": 1516239022\n\n\u200b }\n\n\u4ee5\u4e0a\"aud\"\uff0c\"sub\"\u4e24\u4e2a\u5b57\u6bb5\u662f\u5fc5\u987b\u7684\uff0c\u800c\u4e14\u8981\u4e0eURL\u4e2d\u7684\u8bf7\u6c42\u5185\u5bb9\u5bf9\u5e94\u3002\n\n\u3000\u3000\u3000\u7136\u540e\u5c06\u5176\u8fdb\u884cbase64\u52a0\u5bc6\uff0c\u5f97\u5230JWT\u7684\u7b2c\u4e8c\u90e8\u5206\n\n\u200b eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ\n\n\u3000\u30003\u3001\u7b7e\u8bc1\uff08signature)\n\n\u3000\u3000\u3000\u3000JWT\u7684\u7b2c\u4e09\u90e8\u5206\u662f\u4e00\u4e2a\u7b7e\u8bc1\u4fe1\u606f\uff0c\u8fd9\u4e2a\u7b7e\u8bc1\u4fe1\u606f\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\n\n\u3000\u3000\u3000\u3000\u3000\u3000header (base64\u540e\u7684)\n\n\u3000\u3000\u3000\u3000\u3000\u3000payload (base64\u540e\u7684)\n\n\u3000\u3000\u3000\u3000\u3000\u3000secret\n\n\u3000\u3000\u3000\u3000\u8fd9\u4e2a\u90e8\u5206\u9700\u8981base64\u52a0\u5bc6\u540e\u7684header\u548cbase64\u52a0\u5bc6\u540e\u7684payload\u4f7f\u7528.\u8fde\u63a5\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u901a\u8fc7header\u4e2d\u58f0\u660e\u7684\u52a0\u5bc6\u65b9\u5f0f\u8fdb\u884c\u52a0\u76d0secret\u7ec4\u5408\u52a0\u5bc6\uff0c\u7136\u540e\u5c31\u6784\u6210\u4e86jwt\u7684\u7b2c\u4e09\u90e8\u5206\u3002\n\n\u200b \/\/ javascriptvar encodedString = base64UrlEncode(header) + '.' + base64UrlEncode(payload);var signature = HMACSHA256(encodedString, 'secret'); \/\/ 7m6JhjDj0Blnye6rLAat5mX0BCivb9XXuEY15LprW8c\n\n\u3000\u3000\u3000\u3000\u5c06\u8fd9\u4e09\u90e8\u5206\u7528.\u8fde\u63a5\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u5b57\u7b26\u4e32,\u6784\u6210\u4e86\u6700\u7ec8\u7684jwt:\n\n\u200b eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.7m6JhjDj0Blnye6rLAat5mX0BCivb9XXuEY15LprW8c\n\n\u3000\u3000\u6ce8\u610f\uff1asecret\u662f\u6307\u7528\u6237\u8bbe\u7f6e\u7684\u5bc6\u94a5\uff0c\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u7aef\u7684\uff0cjwt\u7684\u7b7e\u53d1\u751f\u6210\u4e5f\u662f\u5728\u670d\u52a1\u5668\u7aef\u7684\uff0csecret\u5c31\u662f\u7528\u6765\u8fdb\u884cjwt\u7684\u7b7e\u53d1\u548cjwt\u7684\u9a8c\u8bc1\uff0c\u6240\u4ee5\uff0c\u5b83\u5c31\u662f\u4f60\u670d\u52a1\u7aef\u7684\u79c1\u94a5\uff0c\u5728\u4efb\u4f55\u573a\u666f\u90fd\u4e0d\u5e94\u8be5\u6d41\u9732\u51fa\u53bb\u3002\u4e00\u65e6\u5ba2\u6237\u7aef\u5f97\u77e5\u8fd9\u4e2asecret, \u90a3\u5c31\u610f\u5473\u7740\u5ba2\u6237\u7aef\u662f\u53ef\u4ee5\u81ea\u6211\u7b7e\u53d1jwt\u4e86\u3002\n\n\u3000\u3000\u5173\u4e8e\u7b7e\u53d1\u548c\u6838\u9a8cJWT\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Django REST framework JWT\u6269\u5c55\u6765\u5b8c\u6210\u3002\n\n\u3000\u30004\u3001\u6839\u636e\u4e0a\u8ff0\u6784\u6210\u52a0\u5bc6URL \n\n\u200b http:\/\/DomainName\/Filename?auth_key=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.7m6JhjDj0Blnye6rLAat5mX0BCivb9XXuEY15LprW8c\n\n\u200b \u9274\u6743Key\u7684\u5feb\u901f\u8ba1\u7b97\u8bf7\u53c2\u8003 [https:\/\/jwt.io\/#debugger-io](#debugger-io)\n\n##### \u00b7 d.\u9274\u6743Key\u7684\u5199\u6cd5\u793a\u4f8b\n\n\u200b {\n\n \"keys\": [{\n\n\u200b \"k\": \"<Base64\u7b7e\u540d\u5bc6\u94a5>\",\n\n\u200b \"kty\": \"<\u5bc6\u94a5\u751f\u6210\u65f6\u4f7f\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u9ed8\u8ba4:oct>\"\n\n\u200b }]\n\n}\n\n#### \u4e8c\u3001\u9274\u6743ALI-A\u65b9\u5f0f\n\n##### \u00b7 a.\u9274\u6743ALI-A\u65b9\u5f0f\u52a0\u5bc6URL\u6784\u6210\n\n\u3000\u3000\u3000\u3000http:\/\/DomainName\/Filename?auth_key=timestamp-rand-uid-md5hash\n\n\u200b \u9274\u6743\u5b57\u6bb5\u8bf4\u660e\n\n| \u5b57\u6bb5 | \u63cf\u8ff0 |\n| ---------- | ------------------------------------------------------------ |\n| DomainName | CDN\u7ad9\u70b9\u7684\u57df\u540d\u3002 |\n| Filename | \u5b9e\u9645\u56de\u6e90\u8bbf\u95ee\u7684URL\uff0c\u9274\u6743\u65f6Filename\u9700\u4ee5\u6b63\u659c\u7ebf\uff08\/\uff09\u5f00\u5934\u3002 |\n| auth_key | \u60a8\u8bbe\u5b9a\u7684\u9274\u6743\u5bc6\u94a5\u3002 |\n| timestamp | \u7b7e\u7b97\u670d\u52a1\u5668\u751f\u6210\u9274\u6743URL\u7684\u65f6\u95f4\uff0c\u4e0e\u9274\u6743URL\u6709\u6548\u65f6\u957f\u5171\u540c\u63a7\u5236\u9274\u6743URL\u7684\u5931\u6548\u65f6\u95f4\u3002\u65f6\u95f4\u70b9\u53d6\u81ea\u7b7e\u7b97\u670d\u52a1\u5668\u7684Unix\u65f6\u95f4\u6233\uff08Unix\u65f6\u95f4\u6233\u662f\u4eceUTC\u65f6\u95f41970\u5e7401\u670801\u65e500\u65f600\u520600\u79d2\u5230\u73b0\u5728\u7684\u603b\u79d2\u6570\uff0c\u662f\u5341\u8fdb\u5236\u7684\u6574\u578b\u6b63\u6570\uff0c\u56fa\u5b9a\u957f\u5ea6\u4e3a10\uff0c\u4e0e\u65f6\u533a\u65e0\u5173\uff09\uff0c\u4ee5\u5341\u516d\u8fdb\u5236\u5f62\u5f0f\u8868\u793a\u3002\u8bf4\u660e \u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u9274\u6743URL\u7684\u6709\u6548\u65f6\u957f\u4e3aCDN\u914d\u7f6e\u7684\u9274\u6743URL\u6709\u6548\u65f6\u957f\u3002\u6709\u65f6\u5728\u7b7e\u7b97\u589e\u52a0\u9274\u6743URL\u7684\u6709\u6548\u65f6\u957f\u7684\uff0c\u6b64\u65f6\uff0ctimestamp=\u7b7e\u7b97\u670d\u52a1\u5668\u4e0a\u7684Unix\u65f6\u95f4\u6233+\u7b7e\u7b97\u670d\u52a1\u5668\u4e0a\u52a0\u7684\u6709\u6548\u65f6\u957f\uff1b\u9274\u6743URL\u5b9e\u9645\u6709\u6548\u65f6\u957f=timestamp+CDN\u914d\u7f6e\u7684\u9274\u6743URL\u6709\u6548\u65f6\u957f\u3002 |\n| rand | \u968f\u673a\u6570\u3002\u5efa\u8bae\u4f7f\u7528UUID\uff0c\u4e0d\u80fd\u5305\u542b\u4e2d\u5212\u7ebf\uff08-\uff09\uff0c\u4f8b\u5982\uff1a477b3bbc253f467b8def6711128c7bec\u3002 |\n| uid | \u7528\u6237ID\uff0c\u6682\u672a\u4f7f\u7528\uff0c\u8bbe\u7f6e\u62100\u5373\u53ef\u3002 |\n| md5hash | \u901a\u8fc7MD5\u7b97\u6cd5\u8ba1\u7b97\u51fa\u7684\u5b57\u7b26\u4e32\uff0c\u7531\u6570\u5b570~9\u548c\u5c0f\u5199\u82f1\u6587\u5b57\u6bcda~z\u6df7\u5408\u7ec4\u6210\uff0c\u56fa\u5b9a\u957f\u5ea6\u4e3a32\u3002md5hash\u7684\u503c\u901a\u8fc7\u4ee5\u4e0b\u5b57\u7b26\u4e32\u8ba1\u7b97\u5f97\u5230\u3002sstring = \"URI-Timestamp-rand-uid-PrivateKey\"\uff08URI\u662f\u7528\u6237\u7684\u8bf7\u6c42\u5bf9\u8c61\u76f8\u5bf9\u5730\u5740\uff0c\u4e0d\u5305\u542b\u53c2\u6570\uff0c\u5982\/Filename\uff09md5hash = md5sum(sstring) |\n\n##### \u00b7 b.\u9274\u6743\u903b\u8f91\u8bf4\u660e\n\n\u3000\u3000\u3000\u3000CDN\u670d\u52a1\u5668\u63a5\u5230\u8d44\u6e90\u8bbf\u95ee\u8bf7\u6c42\u540e\uff0c\u5224\u65ad\u6700\u7ec8\u751f\u6210\u9274\u6743URL\u8bf7\u6c42\u4e2d\u7684timestamp+\u9274\u6743URL\u6709\u6548\u65f6\u957f\u662f\u5426\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\u3002\n\n\u3000\u3000\u3000\u3000o \u7ed3\u679c\u4e00\u81f4\uff0c\u9274\u6743\u901a\u8fc7\uff0c\u8fd4\u56de\u8d44\u6e90\u8bf7\u6c42\u3002\n\n\u3000\u3000\u3000\u3000\u8bf4\u660e \u5f53\u9274\u6743\u901a\u8fc7\u65f6\uff0c\u4f1a\u53bb\u6389URL\u4e2d\u4e0e\u9274\u6743\u76f8\u5173\u7684\u90a3\u90e8\u5206\u53c2\u6570\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387\uff0c\u51cf\u5c11\u56de\u6e90\u6d41\u91cf\uff1a\n\n\u3000\u3000\u3000\u3000o \u7ed3\u679c\u4e0d\u4e00\u81f4\uff0c\u9274\u6743\u5931\u8d25\uff0c\u8fd4\u56deHTTP 403\u9519\u8bef\u3002\n\n\u3000\u3000\u3000\u3000o \u5b9e\u9645\u751f\u6210\u7f13\u5b58key\u7684URL\u683c\u5f0f\uff1ahttp:\/\/DomainName\/FileName\n\n\u3000\u3000\u3000\u3000o \u5b9e\u9645\u56de\u6e90\u7684URL\u683c\u5f0f\uff1ahttp:\/\/DomainName\/FileName\n\n\u3000\u3000\u3000\u3000o \u5982\u679ctimestamp+\u9274\u6743URL\u6709\u6548\u65f6\u957f\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\uff0c\u670d\u52a1\u5668\u5224\u5b9a\u8fc7\u671f\u5931\u6548\uff0c\u5e76\u8fd4\u56deHTTP 403\u9519\u8bef\u3002\n\n\u3000\u3000\u3000\u3000o \u5982\u679ctimestamp+\u9274\u6743URL\u6709\u6548\u65f6\u957f\u5927\u4e8e\u5f53\u524d\u65f6\u95f4\uff0c\u5219\u4ee5sstring\u65b9\u5f0f\u6784\u9020\u51fa\u4e00\u4e2a\u5b57\u7b26\u4e32\uff08\u53c2\u8003\u8868\u683c\u4e2dsstring\u6784\u9020\u65b9\u5f0f\uff09\uff0c\u7136\u540e\u4f7f\u7528MD5\u7b97\u6cd5\u7b97\u51famd5hash\u7684\u503c\uff0c\u518d\u5c06\u8ba1\u7b97\u51fa\u7684md5hash\u503c\u4e0e\u7528\u6237\u8bbf\u95ee\u8bf7\u6c42\u4e2d\u643a\u5e26\u7684md5hash\u7684\u503c\u8fdb\u884c\u6bd4\u5bf9\u3002\n\n##### \u00b7 c.\u9274\u6743URL\u793a\u4f8b\n\n\u3000\u3000\u3000\u3000\u901a\u8fc7\u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\uff0c\u60a8\u53ef\u4ee5\u51c6\u786e\u7406\u89e3\u9274\u6743ALI-A\u65b9\u5f0f\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\n\n\u793a\u4f8b\u6761\u4ef6\n\n\u3000\u3000\u3000\u3000o \u56de\u6e90\u8bf7\u6c42\u5bf9\u8c61\uff1a\n\n\u3000\u3000\u3000\u3000http:\/\/cdn.example.com\/video\/standard\/test.mp4\n\n\u3000\u3000\u3000\u3000\u8bf4\u660e \u5982\u679c\u60a8\u7684\u56de\u6e90\u8bf7\u6c42\u5bf9\u8c61\u4e2d\u6709\u4e2d\u6587\u6c49\u5b57\uff0c\u8bf7\u5148\u5bf9\u5176\u8fdb\u884cURL\u8f6c\u7801\uff08\u5373Encode\uff09\uff0c\u518d\u8fdb\u884c\u9274\u6743URL\u7684\u62fc\u63a5\u3002\n\n\u3000\u3000\u3000\u3000o \u8bbe\u7f6e\u5bc6\u94a5\u4e3a\uff1acdncloud1234\u3002\n\n\u3000\u3000\u3000\u3000o \u7b7e\u7b97\u670d\u52a1\u5668\u751f\u6210\u9274\u6743URL\u7684\u65f6\u95f4\uff1a2022-08-22 10:00:00\uff08UTC+8\uff09\uff0c\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u7684\u6574\u5f62\u6570\u503c\u4e3a1661133600\u3002\n\n##### \u00b7 d.\u62fc\u63a5\u6d41\u7a0b\n\n \u3000\u30001. CDN\u670d\u52a1\u5668\u6784\u9020\u51fa\u4e00\u4e2a\u7528\u4e8e\u8ba1\u7b97md5hash\u7684\u7b7e\u540d\u5b57\u7b26\u4e32\u3002\n\n\u3000\u3000\u3000\u3000\/video\/standard\/test.mp4-1661133600-0-0-cdncloud1234\n\n \u3000\u30002. \u6839\u636e\u8be5\u7b7e\u540d\u5b57\u7b26\u4e32\uff0cCDN\u670d\u52a1\u5668\u4f1a\u8ba1\u7b97\u51famd5hash\u3002\n\n\u3000\u3000\u3000\u3000md5hash = md5sum(\"\/video\/standard\/test.mp4-1661133600-0-0-cdncloud1234\") = 19f27227db0c4304701915f48129a592\n\n \u3000\u30003. \u751f\u6210\u9274\u6743URL\u3002\n\n\u3000\u3000\u3000\u3000http:\/\/cdn.example.com\/video\/standard\/test.mp4?auth_key=1661133600-0-0-19f27227db0c4304701915f48129a592\n\n\u3000\u3000\u5f53\u4f7f\u7528\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u52a0\u5bc6URL\u8fdb\u884c\u8bbf\u95ee\u65f6\uff0c\u5982\u679cCDN\u670d\u52a1\u5668\u8ba1\u7b97\u51fa\u6765\u7684md5hash\u503c\u4e0e\u8bbf\u95ee\u8bf7\u6c42\u4e2d\u5e26\u7684md5hash\u503c\u76f8\u540c\uff0c\u90fd\u4e3a19f27227db0c4304701915f48129a592\uff0c\u5219\u9274\u6743\u901a\u8fc7\uff0c\u53cd\u4e4b\u9274\u6743\u5931\u8d25\u3002\n\n##### \u00b7 e.\u9274\u6743Key\u7684\u5199\u6cd5\u793a\u4f8b\n\n\u200b {\n\n\u200b \"secret\": \"cdncloud1234\",\n\n\u200b \" ttl\": \"1800\"\n\n\u200b }\n\n "}