74 lines
2.2 KiB
JavaScript
74 lines
2.2 KiB
JavaScript
/*global unescape */
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/*jshint curly: false, scripturl: true */
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//
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// trivial bookmarklet/escaped script detector for the javascript beautifier
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// written by Einar Lielmanis <einar@jsbeautifier.org>
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//
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// usage:
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//
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// if (Urlencoded.detect(some_string)) {
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// var unpacked = Urlencoded.unpack(some_string);
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// }
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//
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//
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var isNode = (typeof module !== 'undefined' && module.exports);
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if (isNode) {
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var SanityTest = require("devtools/shared/jsbeautify/lib/sanitytest");
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}
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var Urlencoded = {
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detect: function (str) {
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// the fact that script doesn't contain any space, but has %20 instead
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// should be sufficient check for now.
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if (str.indexOf(' ') == -1) {
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if (str.indexOf('%2') != -1) return true;
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if (str.replace(/[^%]+/g, '').length > 3) return true;
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}
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return false;
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},
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unpack: function (str) {
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if (Urlencoded.detect(str)) {
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if (str.indexOf('%2B') != -1 || str.indexOf('%2b') != -1) {
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// "+" escaped as "%2B"
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return unescape(str.replace(/\+/g, '%20'));
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} else {
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return unescape(str);
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}
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}
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return str;
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},
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run_tests: function (sanity_test) {
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var t = sanity_test || new SanityTest();
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t.test_function(Urlencoded.detect, "Urlencoded.detect");
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t.expect('', false);
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t.expect('var a = b', false);
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t.expect('var%20a+=+b', true);
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t.expect('var%20a=b', true);
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t.expect('var%20%21%22', true);
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t.expect('javascript:(function(){var%20whatever={init:function(){alert(%22a%22+%22b%22)}};whatever.init()})();', true);
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t.test_function(Urlencoded.unpack, 'Urlencoded.unpack');
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t.expect('javascript:(function(){var%20whatever={init:function(){alert(%22a%22+%22b%22)}};whatever.init()})();',
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'javascript:(function(){var whatever={init:function(){alert("a"+"b")}};whatever.init()})();'
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);
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t.expect('', '');
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t.expect('abcd', 'abcd');
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t.expect('var a = b', 'var a = b');
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t.expect('var%20a=b', 'var a=b');
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t.expect('var%20a=b+1', 'var a=b+1');
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t.expect('var%20a=b%2b1', 'var a=b+1');
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return t;
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}
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};
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if (isNode) {
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module.exports = Urlencoded;
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}
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