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craydent-upload-2.0.1.js
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/*/---------------------------------------------------------/*/
/*/ Craydent LLC uploader-v1.1.0 /*/
/*/ Copyright 2016 (http://craydent.com/about) /*/
/*/ Dual licensed under the MIT or GPL Version 2 licenses. /*/
/*/ (http://craydent.com/license) /*/
/*/---------------------------------------------------------/*/
function Upload(params) {
try {
this._params = params || {};
this.UploadScript = params.uploadUrl || "";
this.useInputBox = !!params.useInputBox;
this.headers = params.headers || [];
this.FileUploadMaxSize = params.maxsize || 0;
this.FileUploadMinSize = params.minsize || 0;
this.FileUploadMaxFileCount = params.maxfilecount || 0;
this.UsageMax = params.usagemax || 0;
this.CurrentUsage = params.currentusage || 0;
this.fileExtensions = params.fileExtensions || Array();
this.SuccessFileCount = 0;
this.FailedFileCount = 0;
this.crossDomain = params.crossDomain || false;
this.crossDomainProxy = params.crossDomainProxy;
this.api_key = params.api_key;
this.destination_url = params.destination_url;
//when upload has finished on the server
data, params.hitch, params.thiss, params.context, this.status
this.onafterupload = function (data, hitch, thiss, ctx, status) {
ctx.SuccessFileCount++;
params.onafterupload && params.onafterupload.call(this, data, hitch, thiss, ctx, status);
if (ctx.SuccessFileCount + ctx.FailedFileCount == ctx.files.length) {
ctx.oncomplete(ctx.SuccessFileCount, ctx.FailedFileCount);
}
};
this.onbeforeupload = params.onbeforeupload || function(){};
//after drop before processing the files to raw/base64
this.onbeforefileready = params.onbeforefileready || function (numberOfFiles) {};
this.onafterfileready = params.onafterfileready || function (fileObject) {};
this.onabort = params.onabort || function(){};
this.onfileload = params.onfileload || function(){};
this.onloadstart = params.onloadstart || function(){};
//function to run during the upload progress
this.onprogress = params.onprogress || function () {};
this.ondragenter = params.ondragenter || function () {};
this.ondragover = params.ondragover || function () {};
this.onerror = function (data, hitch, thiss, ctx, status) {
if (isNull(status)) {
params.onerror && params.onerror.call(ctx, data);
return;
}
ctx.FailedFileCount++;
params.onerror && params.onerror.call(ctx, data, hitch, thiss, ctx, status);
if (ctx.SuccessFileCount + ctx.FailedFileCount == ctx.files.length) {
ctx.oncomplete(ctx.SuccessFileCount, ctx.FailedFileCount);
}
};
this.onbefore = function (httpRequest, hitch, caller) {
var fileUpload = httpRequest.upload || {};
fileUpload.ref = caller;
params.onbefore && params.onbefore.call(this, httpRequest, hitch, caller);
};
this.onbeforeclear = params.onbeforeclear || function () {};
this.onafterclear = params.onafterclear || function () {};
this.onfileselected = params.onfileselected || function () {};
this.dropZone = params.target;
this.files = [];
var listener = !this.dropZone.addEventListener ? "attachEvent" : "addEventListener";
this.dropZone['uploadRef'] = this;
//if (!this.useInputBox) {
this.dropZone[listener]("dragenter", function (ev) {
try {
ev = ev ? ev : window.event;
killPropagation(ev);
this.uploadRef.ondragenter();
} catch (e) {
error('uploadDragEnter', e);
}
}, false);
this.dropZone[listener]("dragover", function (ev) {
try {
ev = ev ? ev : window.event;
killPropagation(ev);
this.uploadRef.ondragover();
} catch (e) {
error('uploadDragOver', e);
}
}, false);
this.dropZone[listener]("drop", function (ev) {
this.uploadRef.upload(ev);
}, false);
// } else {
var inputbox = document.createElement('input');
inputbox.type = "file";
inputbox.uref = this;
inputbox.setAttribute('onchange',"this.uref.onfileselected(this);");
console.log('input added');
this.inputBox = inputbox;
this.dropZone.appendChild(inputbox);
// }
this.isValidFileType = function (ext) {
try {
return (this.fileExtensions.isEmpty() || this.fileExtensions.indexOf(ext) != -1);
} catch (e) {
error('isValidType', e);
}
};
this.upload = function (ev) {
try {
ev = ev || window.event;
//var dt = !this.useInputBox ? ev.dataTransfer : this.inputBox;
var dt = (ev && ev.dataTransfer) || (this.useInputBox && this.inputBox);
var files = dt.files;
//this.files.append(files);
var count = files.length;
this.onbeforefileready(count);
killPropagation(ev);
if (this.FileUploadMaxFileCount && this.files.length + count > this.FileUploadMaxFileCount) {
this.onerror("You can not upload more than " + this.FileUploadMaxFileCount + " file(s)");
return;
}
for (var i = 0; i < count && (!this.FileUploadMaxFileCount || this.files.length < this.FileUploadMaxFileCount); i++) {
var file = this.files[this.files.length] = files[i];
if (this.FileUploadMinSize && file.size < this.FileUploadMinSize) {
this.onerror("file is too small, needs to be larger than " + this.FileUploadMinSize + "bytes");
this.files.splice(i, 1);
return;
}
if (this.FileUploadMaxSize && file.size > this.FileUploadMaxSize) {
this.onerror("file is too big, needs to be below " + this.FileUploadMaxSize + "bytes");
this.files.splice(i, 1);
return;
}
if (this.UsageMax && (file.size + this.CurrentUsage > this.UsageMax)) {
this.onerror("You do not have enough space available to upload this file.");
this.files.splice(i, 1);
return;
}
this.CurrentUsage += file.size;
var filename = file.name;
if (window.FileReader) {
var reader = new FileReader();
reader.index = i;
reader.file = file;
reader.onloadend = this.processFile;
reader.uploadRef = this;
reader.readAsDataURL(file);
return;
}
var fileExt = file.type.substring(file.type.indexOf("/") + 1);
var fileType = file.type.substring(0, file.type.indexOf("/"));
if (!this.isValidFileType(fileExt)) {
this.onerror('invalid file type');
this.files.splice(i, 1);
return;
}
this.onafterfileready(file);
this.processRequest({
file: file,
headers: [{
type: "If-Modified-Since",
value: "Mon, 26 Jul 1997 05:00:00 GMT"
},{
type: "Cache-Control",
value: "no-cache"
},{
type: "X-Requested-With",
value: "XMLHttpRequest"
},{
type: "X-File-Name",
value:file.fileName || file.filename || file.name
},{
type: "X-File-Size",
value: file.fileSize
},{
type: "X-File-Encoding",
value: "binary"
},{
type: "Content-Type",
value: "multipart/form-data"
}].concat(this.headers)
});
}
} catch (e) {
error('uploadDrop', e);
}
};
this.processFile = function (ev) {
try {
if(ev.contructor == String) {
ev = eval(ev.replace(/\n/gi, ''));
}
var data = ev.target.result;
var file = ev.target.file;
var fileExt = file.type.substring(file.type.indexOf("/") + 1);
var fileType = file.type.substring(0, file.type.indexOf("/"));
if (!this.uploadRef.isValidFileType(fileExt)) {
alert("The file type \"" + fileExt + "\" is not of a valid type.");
return;
}
this.uploadRef.onafterfileready(file, data);
var headers = [{
type: "If-Modified-Since",
value: "Mon, 26 Jul 1997 05:00:00 GMT"
},{
type: "Cache-Control",
value: "no-cache"
},{
type: "X-Requested-With",
value: "XMLHttpRequest"
},{
type: "X-File-Name",
value:file.fileName || file.filename || file.name
},{
type: "X-File-Size",
value: file.fileSize
},{
type: "X-File-Encoding",
value: "base64"
}/*,
{type: "Content-Type", value: "multipart/form-data"}*/
];
headers = headers.concat(this.uploadRef.headers);
if (!window.FileReader) {
var bin = data;
this.uploadRef.processRequest({
file: file,
bin: encodeURIComponent(bin.substring(bin.indexOf("base64,") + 7, bin.length)),
headers: headers
});
return;
}
var getBinaryDataReader = new FileReader();
getBinaryDataReader.uploadRef = this.uploadRef;
getBinaryDataReader.onloadend = function(evt) {
evt = evt ? evt : window.event;
var bin = evt.target.result;
this.uploadRef.processRequest({
file: file,
bin: encodeURIComponent(bin.substring(bin.indexOf("base64,") + 7, bin.length)),
headers: headers
});
};
getBinaryDataReader.readAsDataURL(file);
}
catch (e) {
error('processFile', e);
}
};
this.processRequest = function (params) {
try {
var file = params.file;
var headers = params.headers;
var bin = params.bin || file;
if (!this.crossDomain) {
ajax.call(this, {
method: "POST",
url: this.UploadScript,
query: bin,
headers: headers,
onfileload: this.onfileload,
onbefore: this.onbefore,
onprogress: this.onprogress,
onabort: this.onabort,
onerror: this.onerror,
onloadstart: this.onloadstart,
context: this,
onsuccess: this.onafterupload
});
} else {
var encoding = (headers.filter(function(obj){
return obj.type == "X-File-Encoding";
})[0]) || {},
fileName = (headers.filter(function(obj){
return obj.type == "X-File-Name";
})[0]) || {},
// blobs = bin.match(/.{1,1900}/g),
totalBytes = bin.length,
_cuid = cuid(),
destination = this.destination_url ? 'fields={"destination_url":"' + this.destination_url + '"}&': "",
key = this.api_key ? "api_key=" + this.api_key + "&": "",
q = this.crossDomainProxy.indexOf('?') == -1 ? "?" : "&";
//for (var i = 0, len = blobs.length, eof = len - 1; i < len; i++) {
query = q + key + destination + 'files={"'+_cuid+'":{"'+encoding.value+'":"'+bin.substr(0,1500)+'", "type" : "'+file.type+'", "name":"'+fileName.value+'"}}&EOF=false',
loop_function = function (data, status, xr, context) {
context.onprogress((totalBytes - bin.length)/totalBytes);
if (bin.length > 0) {
var query = q + key + destination + 'files={"'+_cuid+'":{"'+encoding.value+'":"'+bin.substr(0,1500)+'", "type" : "'+file.type+'", "name":"'+fileName.value+'"}}&EOF=';
bin = bin.substr(1500);
if (!bin) {
query += "true";
} else {
query += "false";
}
ajax.call(context, {
dataType: "jsonp",
url: context.crossDomainProxy + query,
headers: headers,
onerror: context.onerror,
context: context,
onsuccess: loop_function
})
} else {
context.onsuccess(data);
}
};
bin = bin.substr(1500);
ajax.call(this, {
dataType: "jsonp",
url: this.crossDomainProxy + query,//this.UploadScript,
headers: headers,
onfileload: this.onfileload,
onbefore: this.onbefore,
onabort: this.onabort,
onerror: this.onerror,
onloadstart: this.onloadstart,
context: this,
onsuccess: loop_function
});
// }
}
}
catch (e) {
error('processRequest', e);
}
};
this.clear = function (index) {
this.onbeforeclear();
if (!index) {
this.files = [];
}
this.onafterclear();
if (this.useInputBox) {
this.inputBox.value = null;
}
};
this.remove = function (filename, indexOf) {
if (this.useInputBox) {
this.inputBox.value = null;
}
return this.files.remove(filename, indexOf);
};
}
catch (e) {
error('uploadObject', e);
}
};
if (!window.killPropagation) {
window.killPropagation = function (ev, bubble, returnValue) {
try {
ev = ev || window.event;
bubble = bubble || true;
returnValue = returnValue || false;
if (ev.stopPropagation) {
ev.stopPropagation();
ev.preventDefault();
} else {
ev.cancelBubble = bubble;
ev.returnValue = returnValue;
}
} catch (e) {
error("killPropagation", e);
}
};
}
if (!window.error) {
window.error = function error(fname, e) {
var index = window.location.search.indexOf("debug=true");
if(index != -1) {
alert("Error in " + fname + "\n" + (e.description || e));
}
};
}