- import Oss from '@/js/oss.js';
- uni.uploadFile({
- url: 'https://bucketname.aliyuncs.com',//输入你的bucketname.endpoint
- filePath: this.$refs.uUpload.lists[0].url,//文件路径可以是临时路径 blob
- fileType: 'image',
- name: 'file',
- formData: {
- name: nameStr,
- key: nameStr,
- policy: Oss.policy, // policy
- OSSAccessKeyId: Oss.OSSAccessKeyId, // 输入你的AccessKeyId
- success_action_status: '200',
- signature: Oss.signature // signature
- },
- success: res => {
- console.log(res)
- }
- })
2.Oss 加密算法文件
- /**
- * base 64
- */
- var Base64 = {
- // private property
- _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
- // public method for encoding
- encode : function (input) {
- var output = "";
- var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
- var i = 0;
- input = Base64._utf8_encode(input);
- while (i < input.length) {
- chr1 = input.charCodeAt(i++);
- chr2 = input.charCodeAt(i++);
- chr3 = input.charCodeAt(i++);
- enc1 = chr1 >> 2;
- enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
- enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
- enc4 = chr3 & 63;
- if (isNaN(chr2)) {
- enc3 = enc4 = 64;
- } else if (isNaN(chr3)) {
- enc4 = 64;
- }
- output = output +
- this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
- this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
- }
- return output;
- },
- // public method for decoding
- decode : function (input) {
- var output = "";
- var chr1, chr2, chr3;
- var enc1, enc2, enc3, enc4;
- var i = 0;
- input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
- while (i < input.length) {
- enc1 = this._keyStr.indexOf(input.charAt(i++));
- enc2 = this._keyStr.indexOf(input.charAt(i++));
- enc3 = this._keyStr.indexOf(input.charAt(i++));
- enc4 = this._keyStr.indexOf(input.charAt(i++));
- chr1 = (enc1 << 2) | (enc2 >> 4);
- chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
- chr3 = ((enc3 & 3) << 6) | enc4;
- output = output + String.fromCharCode(chr1);
- if (enc3 != 64) {
- output = output + String.fromCharCode(chr2);
- }
- if (enc4 != 64) {
- output = output + String.fromCharCode(chr3);
- }
- }
- output = Base64._utf8_decode(output);
- return output;
- },
- // private method for UTF-8 encoding
- _utf8_encode : function (string) {
- string = string.replace(/\r\n/g,"\n");
- var utftext = "";
- for (var n = 0; n < string.length; n++) {
- var c = string.charCodeAt(n);
- if (c < 128) {
- utftext += String.fromCharCode(c);
- }
- else if((c > 127) && (c < 2048)) {
- utftext += String.fromCharCode((c >> 6) | 192);
- utftext += String.fromCharCode((c & 63) | 128);
- }
- else {
- utftext += String.fromCharCode((c >> 12) | 224);
- utftext += String.fromCharCode(((c >> 6) & 63) | 128);
- utftext += String.fromCharCode((c & 63) | 128);
- }
- }
- return utftext;
- },
- // private method for UTF-8 decoding
- _utf8_decode : function (utftext) {
- var string = "";
- var i = 0;
- var c = c1 = c2 = 0;
- while ( i < utftext.length ) {
- c = utftext.charCodeAt(i);
- if (c < 128) {
- string += String.fromCharCode(c);
- i++;
- }
- else if((c > 191) && (c < 224)) {
- c2 = utftext.charCodeAt(i+1);
- string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
- i += 2;
- }
- else {
- c2 = utftext.charCodeAt(i+1);
- c3 = utftext.charCodeAt(i+2);
- string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
- i += 3;
- }
- }
- return string;
- }
- }
- /*
- * Crypto-JS v1.1.0
- * http://code.google.com/p/crypto-js/
- * Copyright (c) 2009, Jeff Mott. All rights reserved.
- * http://code.google.com/p/crypto-js/wiki/License
- */
- var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- // Global Crypto object
- var Crypto = {};
- // Crypto utilities
- var util = Crypto.util = {
- // Bit-wise rotate left
- rotl: function (n, b) {
- return (n << b) | (n >>> (32 - b));
- },
- // Bit-wise rotate right
- rotr: function (n, b) {
- return (n << (32 - b)) | (n >>> b);
- },
- // Swap big-endian to little-endian and vice versa
- endian: function (n) {
- // If number given, swap endian
- if (n.constructor == Number) {
- return util.rotl(n, 8) & 0x00FF00FF |
- util.rotl(n, 24) & 0xFF00FF00;
- }
- // Else, assume array and swap all items
- for (var i = 0; i < n.length; i++)
- n[i] = util.endian(n[i]);
- return n;
- },
- // Generate an array of any length of random bytes
- randomBytes: function (n) {
- for (var bytes = []; n > 0; n--)
- bytes.push(Math.floor(Math.random() * 256));
- return bytes;
- },
- // Convert a string to a byte array
- stringToBytes: function (str) {
- var bytes = [];
- for (var i = 0; i < str.length; i++)
- bytes.push(str.charCodeAt(i));
- return bytes;
- },
- // Convert a byte array to a string
- bytesToString: function (bytes) {
- var str = [];
- for (var i = 0; i < bytes.length; i++)
- str.push(String.fromCharCode(bytes[i]));
- return str.join("");
- },
- // Convert a string to big-endian 32-bit words
- stringToWords: function (str) {
- var words = [];
- for (var c = 0, b = 0; c < str.length; c++, b += 8)
- words[b >>> 5] |= str.charCodeAt(c) << (24 - b % 32);
- return words;
- },
- // Convert a byte array to big-endian 32-bits words
- bytesToWords: function (bytes) {
- var words = [];
- for (var i = 0, b = 0; i < bytes.length; i++, b += 8)
- words[b >>> 5] |= bytes[i] << (24 - b % 32);
- return words;
- },
- // Convert big-endian 32-bit words to a byte array
- wordsToBytes: function (words) {
- var bytes = [];
- for (var b = 0; b < words.length * 32; b += 8)
- bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
- return bytes;
- },
- // Convert a byte array to a hex string
- bytesToHex: function (bytes) {
- var hex = [];
- for (var i = 0; i < bytes.length; i++) {
- hex.push((bytes[i] >>> 4).toString(16));
- hex.push((bytes[i] & 0xF).toString(16));
- }
- return hex.join("");
- },
- // Convert a hex string to a byte array
- hexToBytes: function (hex) {
- var bytes = [];
- for (var c = 0; c < hex.length; c += 2)
- bytes.push(parseInt(hex.substr(c, 2), 16));
- return bytes;
- },
- // Convert a byte array to a base-64 string
- bytesToBase64: function (bytes) {
- // Use browser-native function if it exists
- // app打包后 oss 403 注释这一行就好了
- // if (typeof btoa == "function") return btoa(util.bytesToString(bytes));
- var base64 = [],
- overflow;
- for (var i = 0; i < bytes.length; i++) {
- switch (i % 3) {
- case 0:
- base64.push(base64map.charAt(bytes[i] >>> 2));
- overflow = (bytes[i] & 0x3) << 4;
- break;
- case 1:
- base64.push(base64map.charAt(overflow | (bytes[i] >>> 4)));
- overflow = (bytes[i] & 0xF) << 2;
- break;
- case 2:
- base64.push(base64map.charAt(overflow | (bytes[i] >>> 6)));
- base64.push(base64map.charAt(bytes[i] & 0x3F));
- overflow = -1;
- }
- }
- // Encode overflow bits, if there are any
- if (overflow != undefined && overflow != -1)
- base64.push(base64map.charAt(overflow));
- // Add padding
- while (base64.length % 4 != 0) base64.push("=");
- return base64.join("");
- },
- // Convert a base-64 string to a byte array
- base64ToBytes: function (base64) {
- // Use browser-native function if it exists
- if (typeof atob == "function") return util.stringToBytes(atob(base64));
- // Remove non-base-64 characters
- base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
- var bytes = [];
- for (var i = 0; i < base64.length; i++) {
- switch (i % 4) {
- case 1:
- bytes.push((base64map.indexOf(base64.charAt(i - 1)) << 2) |
- (base64map.indexOf(base64.charAt(i)) >>> 4));
- break;
- case 2:
- bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & 0xF) << 4) |
- (base64map.indexOf(base64.charAt(i)) >>> 2));
- break;
- case 3:
- bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & 0x3) << 6) |
- (base64map.indexOf(base64.charAt(i))));
- break;
- }
- }
- return bytes;
- }
- };
- // Crypto mode namespace
- Crypto.mode = {};
- var util = Crypto.util;
- // Public API
- var SHA1 = Crypto.SHA1 = function (message, options) {
- var digestbytes = util.wordsToBytes(SHA1._sha1(message));
- return options && options.asBytes ? digestbytes :
- options && options.asString ? util.bytesToString(digestbytes) :
- util.bytesToHex(digestbytes);
- };
- // The core
- SHA1._sha1 = function (message) {
- var m = util.stringToWords(message),
- l = message.length * 8,
- w = [],
- H0 = 1732584193,
- H1 = -271733879,
- H2 = -1732584194,
- H3 = 271733878,
- H4 = -1009589776;
- // Padding
- m[l >> 5] |= 0x80 << (24 - l % 32);
- m[((l + 64 >>> 9) << 4) + 15] = l;
- for (var i = 0; i < m.length; i += 16) {
- var a = H0,
- b = H1,
- c = H2,
- d = H3,
- e = H4;
- for (var j = 0; j < 80; j++) {
- if (j < 16) w[j] = m[i + j];
- else {
- var n = w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16];
- w[j] = (n << 1) | (n >>> 31);
- }
- var t = ((H0 << 5) | (H0 >>> 27)) + H4 + (w[j] >>> 0) + (
- j < 20 ? (H1 & H2 | ~H1 & H3) + 1518500249 :
- j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
- j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
- (H1 ^ H2 ^ H3) - 899497514);
- H4 = H3;
- H3 = H2;
- H2 = (H1 << 30) | (H1 >>> 2);
- H1 = H0;
- H0 = t;
- }
- H0 += a;
- H1 += b;
- H2 += c;
- H3 += d;
- H4 += e;
- }
- return [H0, H1, H2, H3, H4];
- };
- // Package private blocksize
- SHA1._blocksize = 16;
- /*
- * Crypto-JS v1.1.0
- * http://code.google.com/p/crypto-js/
- * Copyright (c) 2009, Jeff Mott. All rights reserved.
- * http://code.google.com/p/crypto-js/wiki/License
- */
- var util = Crypto.util;
- Crypto.HMAC = function (hasher, message, key, options) {
- // Allow arbitrary length keys
- key = key.length > hasher._blocksize * 4 ?
- hasher(key, { asBytes: true }) :
- util.stringToBytes(key);
- // XOR keys with pad constants
- var okey = key,
- ikey = key.slice(0);
- for (var i = 0; i < hasher._blocksize * 4; i++) {
- okey[i] ^= 0x5C;
- ikey[i] ^= 0x36;
- }
- var hmacbytes = hasher(util.bytesToString(okey) +
- hasher(util.bytesToString(ikey) + message, { asString: true }),
- { asBytes: true });
- return options && options.asBytes ? hmacbytes :
- options && options.asString ? util.bytesToString(hmacbytes) :
- util.bytesToHex(hmacbytes);
- };
- const accessid= 'xxxxxxxxxxxxxxx'; //aliyun id
- const accesskey= 'xxxxxxxxxxxxxxxxxxxxxxxxxx';//aliyun key
- const host = 'https://ruiscloud.oss-cn-zhangjiakou.aliyuncs.com';
- let now ,timestamp = Date.parse(new Date()) / 1000;
- var policyText = {
- "expiration": "2031-10-01T12:00:00.000Z", //设置该Policy的失效时间,超过这个失效时间之后,就没有办法通过这个policy上传文件了
- "conditions": [
- ["content-length-range", 0, 1048576000] // 设置上传文件的大小限制
- ]
- };
- var policyBase64 = Base64.encode(JSON.stringify(policyText))
- var message = policyBase64
- var bytes = Crypto.HMAC(Crypto.SHA1, message, accesskey, { asBytes: true }) ;
- var signature = Crypto.util.bytesToBase64(bytes);
- export default {
- signature,
- policy:policyBase64,
- OSSAccessKeyId:accessid
- }
2.通过后端接口的形式
这种方式就不多说了主要是跟后端 字段约定,按照相应的进行传值就行。
遇到的问题
h5上传ok 打包成app上传阿里云就报403 问题参考
答:注释if (typeof btoa == "function") return btoa(util.bytesToString(bytes));
在Crypto.util.bytesToBase64的工具函数中