corrade-nucleus-nucleons – Blame information for rev 20
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Rev | Author | Line No. | Line |
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20 | office | 1 | /*global unescape */ |
2 | /*jshint curly: false, scripturl: true */ |
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3 | // |
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4 | // trivial bookmarklet/escaped script detector for the javascript beautifier |
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5 | // written by Einar Lielmanis <einar@jsbeautifier.org> |
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6 | // |
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7 | // usage: |
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8 | // |
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9 | // if (Urlencoded.detect(some_string)) { |
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10 | // var unpacked = Urlencoded.unpack(some_string); |
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11 | // } |
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12 | // |
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13 | // |
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14 | |||
15 | var isNode = (typeof module !== 'undefined' && module.exports); |
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16 | if (isNode) { |
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17 | var SanityTest = require(__dirname + '/../../test/sanitytest'); |
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18 | } |
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19 | |||
20 | var Urlencoded = { |
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21 | detect: function(str) { |
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22 | // the fact that script doesn't contain any space, but has %20 instead |
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23 | // should be sufficient check for now. |
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24 | if (str.indexOf(' ') === -1) { |
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25 | if (str.indexOf('%2') !== -1) return true; |
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26 | if (str.replace(/[^%]+/g, '').length > 3) return true; |
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27 | } |
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28 | return false; |
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29 | }, |
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30 | |||
31 | unpack: function(str) { |
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32 | if (Urlencoded.detect(str)) { |
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33 | if (str.indexOf('%2B') !== -1 || str.indexOf('%2b') !== -1) { |
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34 | // "+" escaped as "%2B" |
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35 | return unescape(str.replace(/\+/g, '%20')); |
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36 | } else { |
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37 | return unescape(str); |
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38 | } |
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39 | } |
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40 | return str; |
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41 | }, |
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42 | |||
43 | |||
44 | |||
45 | run_tests: function(sanity_test) { |
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46 | var t = sanity_test || new SanityTest(); |
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47 | t.test_function(Urlencoded.detect, "Urlencoded.detect"); |
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48 | t.expect('', false); |
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49 | t.expect('var a = b', false); |
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50 | t.expect('var%20a+=+b', true); |
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51 | t.expect('var%20a=b', true); |
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52 | t.expect('var%20%21%22', true); |
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53 | t.expect('javascript:(function(){var%20whatever={init:function(){alert(%22a%22+%22b%22)}};whatever.init()})();', true); |
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54 | t.test_function(Urlencoded.unpack, 'Urlencoded.unpack'); |
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55 | |||
56 | t.expect('javascript:(function(){var%20whatever={init:function(){alert(%22a%22+%22b%22)}};whatever.init()})();', |
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57 | 'javascript:(function(){var whatever={init:function(){alert("a"+"b")}};whatever.init()})();' |
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58 | ); |
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59 | t.expect('', ''); |
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60 | t.expect('abcd', 'abcd'); |
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61 | t.expect('var a = b', 'var a = b'); |
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62 | t.expect('var%20a=b', 'var a=b'); |
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63 | t.expect('var%20a=b+1', 'var a=b+1'); |
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64 | t.expect('var%20a=b%2b1', 'var a=b+1'); |
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65 | return t; |
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66 | } |
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67 | |||
68 | |||
69 | }; |
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70 | |||
71 | if (isNode) { |
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72 | module.exports = Urlencoded; |
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73 | } |