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Diffstat (limited to 'resources')
| -rwxr-xr-x | resources/download.js | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/resources/download.js b/resources/download.js deleted file mode 100755 index 934edcc..0000000 --- a/resources/download.js +++ /dev/null @@ -1,162 +0,0 @@ -//download.js v4.2, by dandavis; 2008-2016. [CCBY2] see http://danml.com/download.html for tests/usage -// v1 landed a FF+Chrome compat way of downloading strings to local un-named files, upgraded to use a hidden frame and optional mime -// v2 added named files via a[download], msSaveBlob, IE (10+) support, and window.URL support for larger+faster saves than dataURLs -// v3 added dataURL and Blob Input, bind-toggle arity, and legacy dataURL fallback was improved with force-download mime and base64 support. 3.1 improved safari handling. -// v4 adds AMD/UMD, commonJS, and plain browser support -// v4.1 adds url download capability via solo URL argument (same domain/CORS only) -// v4.2 adds semantic variable names, long (over 2MB) dataURL support, and hidden by default temp anchors -// https://github.com/rndme/download - -(function (root, factory) { - if (typeof define === 'function' && define.amd) { - // AMD. Register as an anonymous module. - define([], factory); - } else if (typeof exports === 'object') { - // Node. Does not work with strict CommonJS, but - // only CommonJS-like environments that support module.exports, - // like Node. - module.exports = factory(); - } else { - // Browser globals (root is window) - root.download = factory(); - } -}(this, function () { - - return function download(data, strFileName, strMimeType) { - - var self = window, // this script is only for browsers anyway... - defaultMime = "application/octet-stream", // this default mime also triggers iframe downloads - mimeType = strMimeType || defaultMime, - payload = data, - url = !strFileName && !strMimeType && payload, - anchor = document.createElement("a"), - toString = function(a){return String(a);}, - myBlob = (self.Blob || self.MozBlob || self.WebKitBlob || toString), - fileName = strFileName || "download", - blob, - reader; - myBlob= myBlob.call ? myBlob.bind(self) : Blob ; - - if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback - payload=[payload, mimeType]; - mimeType=payload[0]; - payload=payload[1]; - } - - - if(url && url.length< 2048){ // if no filename and no mime, assume a url was passed as the only argument - fileName = url.split("/").pop().split("?")[0]; - anchor.href = url; // assign href prop to temp anchor - if(anchor.href.indexOf(url) !== -1){ // if the browser determines that it's a potentially valid url path: - var ajax=new XMLHttpRequest(); - ajax.open( "GET", url, true); - ajax.responseType = 'blob'; - ajax.onload= function(e){ - download(e.target.response, fileName, defaultMime); - }; - setTimeout(function(){ ajax.send();}, 0); // allows setting custom ajax headers using the return: - return ajax; - } // end if valid url? - } // end if url? - - - //go ahead and download dataURLs right away - if(/^data\:[\w+\-]+\/[\w+\-]+[,;]/.test(payload)){ - - if(payload.length > (1024*1024*1.999) && myBlob !== toString ){ - payload=dataUrlToBlob(payload); - mimeType=payload.type || defaultMime; - }else{ - return navigator.msSaveBlob ? // IE10 can't do a[download], only Blobs: - navigator.msSaveBlob(dataUrlToBlob(payload), fileName) : - saver(payload) ; // everyone else can save dataURLs un-processed - } - - }//end if dataURL passed? - - blob = payload instanceof myBlob ? - payload : - new myBlob([payload], {type: mimeType}) ; - - - function dataUrlToBlob(strUrl) { - var parts= strUrl.split(/[:;,]/), - type= parts[1], - decoder= parts[2] == "base64" ? atob : decodeURIComponent, - binData= decoder( parts.pop() ), - mx= binData.length, - i= 0, - uiArr= new Uint8Array(mx); - - for(i;i<mx;++i) uiArr[i]= binData.charCodeAt(i); - - return new myBlob([uiArr], {type: type}); - } - - function saver(url, winMode){ - - if ('download' in anchor) { //html5 A[download] - anchor.href = url; - anchor.setAttribute("download", fileName); - anchor.className = "download-js-link"; - anchor.innerHTML = "downloading..."; - anchor.style.display = "none"; - document.body.appendChild(anchor); - setTimeout(function() { - anchor.click(); - document.body.removeChild(anchor); - if(winMode===true){setTimeout(function(){ self.URL.revokeObjectURL(anchor.href);}, 250 );} - }, 66); - return true; - } - - // handle non-a[download] safari as best we can: - if(/(Version)\/(\d+)\.(\d+)(?:\.(\d+))?.*Safari\//.test(navigator.userAgent)) { - url=url.replace(/^data:([\w\/\-\+]+)/, defaultMime); - if(!window.open(url)){ // popup blocked, offer direct download: - if(confirm("Displaying New Document\n\nUse Save As... to download, then click back to return to this page.")){ location.href=url; } - } - return true; - } - - //do iframe dataURL download (old ch+FF): - var f = document.createElement("iframe"); - document.body.appendChild(f); - - if(!winMode){ // force a mime that will download: - url="data:"+url.replace(/^data:([\w\/\-\+]+)/, defaultMime); - } - f.src=url; - setTimeout(function(){ document.body.removeChild(f); }, 333); - - }//end saver - - - - - if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL) - return navigator.msSaveBlob(blob, fileName); - } - - if(self.URL){ // simple fast and modern way using Blob and URL: - saver(self.URL.createObjectURL(blob), true); - }else{ - // handle non-Blob()+non-URL browsers: - if(typeof blob === "string" || blob.constructor===toString ){ - try{ - return saver( "data:" + mimeType + ";base64," + self.btoa(blob) ); - }catch(y){ - return saver( "data:" + mimeType + "," + encodeURIComponent(blob) ); - } - } - - // Blob but not URL support: - reader=new FileReader(); - reader.onload=function(e){ - saver(this.result); - }; - reader.readAsDataURL(blob); - } - return true; - }; /* end download() */ -}));
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