https://giiisp.com/static/js/download.js

1(function (root, factory) {
2	if (typeof define === 'function' && define.amd) {
3		// AMD. Register as an anonymous module.
4		define([], factory);
5	} else if (typeof exports === 'object') {
6		// Node. Does not work with strict CommonJS, but
7		// only CommonJS-like environments that support module.exports,
8		// like Node.
9		module.exports = factory();
10	} else {
11		// Browser globals (root is window)
12		root.download = factory();
13  }
14}(this, function () {
15
16	return function download(data, strFileName, strMimeType) {
17
18		var self = window, // this script is only for browsers anyway...
19			defaultMime = "application/octet-stream", // this default mime also triggers iframe downloads
20			mimeType = strMimeType || defaultMime,
21			payload = data,
22			url = !strFileName && !strMimeType && payload,
23			anchor = document.createElement("a"),
24			toString = function(a){return String(a);},
25			myBlob = (self.Blob || self.MozBlob || self.WebKitBlob || toString),
26			fileName = strFileName || "download",
27			blob,
28			reader;
29			myBlob= myBlob.call ? myBlob.bind(self) : Blob ;
30	  
31		if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback
32			payload=[payload, mimeType];
33			mimeType=payload[0];
34			payload=payload[1];
35		}
36
37
38		if(url && url.length< 2048){ // if no filename and no mime, assume a url was passed as the only argument
39			fileName = url.split("/").pop().split("?")[0];
40			anchor.href = url; // assign href prop to temp anchor
41		  	if(anchor.href.indexOf(url) !== -1){ // if the browser determines that it's a potentially valid url path:
42        		var ajax=new XMLHttpRequest();
43        		ajax.open( "GET", url, true);
44        		ajax.responseType = 'blob';
45        		ajax.onload= function(e){ 
46				  download(e.target.response, fileName, defaultMime);
47				};
48        		setTimeout(function(){ ajax.send();}, 0); // allows setting custom ajax headers using the return:
49			    return ajax;
50			} // end if valid url?
51		} // end if url?
52
53
54		//go ahead and download dataURLs right away
55		if(/^data\:[\w+\-]+\/[\w+\-]+[,;]/.test(payload)){
56		
57			if(payload.length > (1024*1024*1.999) && myBlob !== toString ){
58				payload=dataUrlToBlob(payload);
59				mimeType=payload.type || defaultMime;
60			}else{			
61				return navigator.msSaveBlob ?  // IE10 can't do a[download], only Blobs:
62					navigator.msSaveBlob(dataUrlToBlob(payload), fileName) :
63					saver(payload) ; // everyone else can save dataURLs un-processed
64			}
65			
66		}//end if dataURL passed?
67
68		blob = payload instanceof myBlob ?
69			payload :
70			new myBlob([payload], {type: mimeType}) ;
71
72
73		function dataUrlToBlob(strUrl) {
74			var parts= strUrl.split(/[:;,]/),
75			type= parts[1],
76			decoder= parts[2] == "base64" ? atob : decodeURIComponent,
77			binData= decoder( parts.pop() ),
78			mx= binData.length,
79			i= 0,
80			uiArr= new Uint8Array(mx);
81
82			for(i;i<mx;++i) uiArr[i]= binData.charCodeAt(i);
83
84			return new myBlob([uiArr], {type: type});
85		 }
86
87		function saver(url, winMode){
88
89			if ('download' in anchor) { //html5 A[download]
90				anchor.href = url;
91				anchor.setAttribute("download", fileName);
92				anchor.className = "download-js-link";
93				anchor.innerHTML = "downloading...";
94				anchor.style.display = "none";
95				document.body.appendChild(anchor);
96				setTimeout(function() {
97					anchor.click();
98					document.body.removeChild(anchor);
99					if(winMode===true){setTimeout(function(){ self.URL.revokeObjectURL(anchor.href);}, 250 );}
100				}, 66);
101				return true;
102			}
103
104			// handle non-a[download] safari as best we can:
105			if(/(Version)\/(\d+)\.(\d+)(?:\.(\d+))?.*Safari\//.test(navigator.userAgent)) {
106				url=url.replace(/^data:([\w\/\-\+]+)/, defaultMime);
107				if(!window.open(url)){ // popup blocked, offer direct download:
108					if(confirm("Displaying New Document\n\nUse Save As... to download, then click back to return to this page.")){ location.href=url; }
109				}
110				return true;
111			}
112
113			//do iframe dataURL download (old ch+FF):
114			var f = document.createElement("iframe");
115			document.body.appendChild(f);
116
117			if(!winMode){ // force a mime that will download:
118				url="data:"+url.replace(/^data:([\w\/\-\+]+)/, defaultMime);
119			}
120			f.src=url;
121			setTimeout(function(){ document.body.removeChild(f); }, 333);
122
123		}//end saver
124
125
126
127
128		if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL)
129			return navigator.msSaveBlob(blob, fileName);
130		}
131
132		if(self.URL){ // simple fast and modern way using Blob and URL:
133			saver(self.URL.createObjectURL(blob), true);
134		}else{
135			// handle non-Blob()+non-URL browsers:
136			if(typeof blob === "string" || blob.constructor===toString ){