测试版

uni_modules/zhouWei-request/js_sdk/request/upload/aliUploader.js

@@ -0,0 +1,40 @@
+const Base64 = require('./Base64.js');
+require('./hmac.js');
+require('./sha1.js');
+const Crypto = require('./crypto.js');
+// 获取policy
+const getPolicyBase64 = function (timeout) {
+    let dateTime = new Date().getTime();
+	let date = new Date(dateTime + (timeout || 1800000));
+    let srcT = date.toISOString();
+    const policyText = {
+        "expiration": srcT, //设置该Policy的失效时间
+        "conditions": [
+            ["content-length-range", 0, 100 * 1024 * 1024] // 设置上传文件的大小限制,100mb
+        ]
+    };
+    const policyBase64 = Base64.encode(JSON.stringify(policyText));
+    return policyBase64;
+}
+// 获取签名
+const getSignature = function (policyBase64, AccessKeySecret) {
+    const bytes = Crypto.HMAC(Crypto.SHA1, policyBase64, AccessKeySecret, {
+        asBytes: true
+    });
+    const signature = Crypto.util.bytesToBase64(bytes);
+    return signature;
+}
+// 获取阿里云token信息
+const getAliyunOssKey = function (options) {
+	const policyBase64 = getPolicyBase64(options.timeout);
+	const signature = getSignature(policyBase64, options.accessKeySecret);
+	return {
+		policy: policyBase64,
+		accessKeyId: options.accessKeyId,
+		accessKeySecret: options.accessKeySecret,
+		signature: signature,
+		success_action_status: '200'
+	}
+}
+
+module.exports = getAliyunOssKey;