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Greasemonkey Image Upload
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| // ==UserScript== | |
| // @name test upload | |
| // @namespace namespace | |
| // @description description | |
| // @include https://post.craigslist.org/* | |
| // @version 1 | |
| // @grant all | |
| // ==/UserScript== | |
| $ = unsafeWindow.jQuery; | |
| function getDataFromUrl(url) { | |
| var canvas = document.createElement('canvas'), | |
| ctx = canvas.getContext('2d'), | |
| img = new Image(); | |
| img.src = url; | |
| img.onload = function() { | |
| canvas.setAttribute('width', img.width); | |
| canvas.setAttribute('height', img.height); | |
| ctx.drawImage(img, 0, 0); | |
| document.forms[0].appendChild(img); | |
| } | |
| return canvas.mozGetAsFile('image.png'); | |
| //return canvas.toDataURL('image.png'); | |
| } | |
| if (location.search.indexOf('editimage') > -1) { | |
| var url = 'http://boomtownphotos.s3.amazonaws.com/charleston/orig_boomver_1_1313035-1.jpg'; | |
| var file = getDataFromUrl(url); | |
| console.log(file); | |
| debugger; | |
| var fd = new FormData(document.forms[0]); | |
| fd.append('file', file, 'image.png'); | |
| //alert('submitting'); | |
| if (confirm('submit?')) document.forms[0].submit(); | |
| } |
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