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Add headers, form data options when upload snap. #306

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Add headers, form data options when upload snap. #306

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42 changes: 40 additions & 2 deletions webcam.js
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Original file line number Diff line number Diff line change
Expand Up @@ -986,7 +986,7 @@ var Webcam = {
return taBytes;
},

upload: function(image_data_uri, target_url, callback) {
upload: function(image_data_uri, target_url, post_data, callback, headers) {
// submit image data to server using binary AJAX
var form_elem_name = this.params.upload_name || 'webcam';

Expand All @@ -1000,9 +1000,27 @@ var Webcam = {
// extract raw base64 data from Data URI
var raw_image_data = image_data_uri.replace(/^data\:image\/\w+\;base64\,/, '');

// construct parameters
if ( typeof post_data == 'function' ) {
if ( typeof callback == 'object' ) {
headers = callback;
}
callback = post_data;
post_data = undefined;
}

// contruct use AJAX object
var http = new XMLHttpRequest();
http.open("POST", target_url, true);

// Add headers
if ( typeof headers == 'object' ) {
for( var item_name in headers ){
if ( headers.hasOwnProperty(item_name) ) {
http.setRequestHeader(item_name, headers[item_name]);
}
}
}

// setup progress events
if (http.upload && http.upload.addEventListener) {
Expand All @@ -1026,7 +1044,27 @@ var Webcam = {

// stuff into a form, so servers can easily receive it as a standard file upload
var form = new FormData();
form.append( form_elem_name, blob, form_elem_name+"."+image_fmt.replace(/e/, '') );
if ( typeof form_elem_name == 'object' ) {
/*Customize file input field like this
Webcam.params.upload_name = {
'input_name' :'[input file name]',
'file_name' : [file_name]
}

*/
form.append( form_elem_name['input_name'], blob, form_elem_name['file_name']+"."+image_fmt.replace(/e/, '') );
} else {
form.append( form_elem_name, blob, form_elem_name+"."+image_fmt.replace(/e/, '') );
}

// Add post data to formdata
if ( typeof post_data == 'object' ) {
for( var item_name in post_data ){
if ( post_data.hasOwnProperty(item_name) ) {
form.append( item_name, post_data[item_name] );
}
}
}

// send data to server
http.send(form);
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