129 lines
3.0 KiB
JavaScript
Executable File
129 lines
3.0 KiB
JavaScript
Executable File
accessid = ''
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accesskey = ''
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host = ''
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policyBase64 = ''
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signature = ''
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callbackbody = ''
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filename = ''
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key = ''
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expire = 0
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g_object_name = ''
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g_object_name_type = ''
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now = timestamp = Date.parse(new Date()) / 1000;
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dir = 'images'
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function send_request() {
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var xmlhttp = null;
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if(window.XMLHttpRequest) {
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xmlhttp = new XMLHttpRequest();
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} else if(window.ActiveXObject) {
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xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
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}
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if(xmlhttp != null) {
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// console.log(dir)
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serverUrl = hyhUrl('oss/get.php?dir='+dir);
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xmlhttp.open("GET", serverUrl, false);
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xmlhttp.send(null);
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return xmlhttp.responseText
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} else {
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alert("Your browser does not support XMLHTTP.");
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}
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};
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function check_object_radio() {
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var tt = document.getElementsByName('myradio');
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for(var i = 0; i < tt.length; i++) {
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if(tt[i].checked) {
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g_object_name_type = tt[i].value;
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break;
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}
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}
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}
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function get_signature() {
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//可以判断当前expire是否超过了当前时间,如果超过了当前时间,就重新取一下.3s 做为缓冲
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now = timestamp = Date.parse(new Date()) / 1000;
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if(expire < now + 3) {
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body = send_request()
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var obj = eval("(" + body + ")");
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host = obj['host']
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policyBase64 = obj['policy']
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accessid = obj['accessid']
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signature = obj['signature']
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expire = parseInt(obj['expire'])
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callbackbody = obj['callback']
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key = obj['dir']
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return true;
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}
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return false;
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};
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function random_string(len) {
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len = len || 32;
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var chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';
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var maxPos = chars.length;
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var pwd = '';
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for(i = 0; i < len; i++) {
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pwd += chars.charAt(Math.floor(Math.random() * maxPos));
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}
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return pwd;
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}
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function get_suffix(filename) {
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pos = filename.lastIndexOf('.')
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suffix = ''
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if(pos != -1) {
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suffix = filename.substring(pos)
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}
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return suffix;
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}
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function calculate_object_name(filename) {
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if(g_object_name_type == 'local_name') {
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g_object_name += "${filename}"
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} else if(g_object_name_type == 'random_name') {
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suffix = get_suffix(filename)
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g_object_name = key + random_string(10) + suffix
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}
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return ''
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}
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function get_uploaded_object_name(filename) {
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if(g_object_name_type == 'local_name') {
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tmp_name = g_object_name
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tmp_name = tmp_name.replace("${filename}", filename);
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return tmp_name
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} else if(g_object_name_type == 'random_name') {
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return g_object_name
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}
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}
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function set_upload_param(up, filename, ret,savedir) {
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dir = savedir;
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if(ret == false) {
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ret = get_signature()
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}
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g_object_name = key;
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if(filename != '') {
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suffix = get_suffix(filename)
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calculate_object_name(filename)
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}
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new_multipart_params = {
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'key': g_object_name,
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'policy': policyBase64,
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'OSSAccessKeyId': accessid,
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'success_action_status': '200', //让服务端返回200,不然，默认会返回204
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'callback': callbackbody,
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'signature': signature,
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};
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up.setOption({
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'url': host,
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'multipart_params': new_multipart_params
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});
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up.start();
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} |