Skip to content

John McEleney / casperjs

Go to a project
Toggle navigation
Toggle navigation pinning
Commit 51b41755 51b41755e3344502401042b7cfc81cc0e03fe1de by Nicolas Perriault
Options

added Casper#base64encode for retrieving a base64 encoded representation of any … 

…resource behind an url
1 parent 6d4f7d54
Inline Side-by-side
Showing 1 changed file with 54 additions and 3 deletions
......@@ -77,6 +77,57 @@
*/
phantom.Casper.prototype = {
/**
* Encodes a resource using the base64 algorithm synchroneously using
* client-side XMLHttpRequest.
*
* NOTE: we cannot use window.btoa() for some strange reasons here.
*
* @param string url The url to download
* @return string Base64 encoded result
*/
base64encode: function(url) {
return result = this.evaluate(function() {
function encode(str) {
var CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var out = "", i = 0, len = str.length, c1, c2, c3;
while (i < len) {
c1 = str.charCodeAt(i++) & 0xff;
if (i == len) {
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if (i == len) {
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += CHARS.charAt((c2 & 0xF) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
out += CHARS.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
out += CHARS.charAt(c3 & 0x3F);
}
return out;
}
function getBinary(url) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
xhr.overrideMimeType("text/plain; charset=x-user-defined");
xhr.send(null);
return xhr.responseText;
}
return encode(getBinary('%url%'));
}, {
url: url
});
},
/**
* Proxy method for WebPage#render. Adds a clipRect parameter for
* automatically set page clipRect setting values and sets it back once
* done.
......@@ -291,13 +342,13 @@
* Repeats a step a given number of times.
*
* @param Number times Number of times to repeat step
* @aram function step The step closure
* @aram function then The step closure
* @return Casper
* @see Casper#then
*/
repeat: function(times, step) {
repeat: function(times, then) {
for (var i = 0; i < times; i++) {
this.then(step);
this.then(then);
}
return this;
},
......