Wed, 31 Dec 2014 07:22:50 +0100
Correct previous dual key logic pending first delivery installment.
michael@0 | 1 | const charset = "EUC-JP"; |
michael@0 | 2 | const ScriptableUnicodeConverter = |
michael@0 | 3 | Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter", |
michael@0 | 4 | "nsIScriptableUnicodeConverter"); |
michael@0 | 5 | var gConverter; |
michael@0 | 6 | |
michael@0 | 7 | function error(inString, outString, msg) { |
michael@0 | 8 | var dispIn = ""; |
michael@0 | 9 | var dispOut = ""; |
michael@0 | 10 | var i; |
michael@0 | 11 | for (i = 0; i < inString.length; ++i) { |
michael@0 | 12 | dispIn += " x" + inString.charCodeAt(i).toString(16); |
michael@0 | 13 | } |
michael@0 | 14 | if (outString.length == 0) { |
michael@0 | 15 | dispOut = "<empty>"; |
michael@0 | 16 | } else { |
michael@0 | 17 | for (i = 0; i < outString.length; ++i) { |
michael@0 | 18 | dispOut += " x" + outString.charCodeAt(i).toString(16); |
michael@0 | 19 | } |
michael@0 | 20 | } |
michael@0 | 21 | dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n"); |
michael@0 | 22 | do_throw("security risk: " + msg); |
michael@0 | 23 | } |
michael@0 | 24 | |
michael@0 | 25 | function IsASCII(charCode) { |
michael@0 | 26 | return (charCode <= 0x7e); |
michael@0 | 27 | } |
michael@0 | 28 | |
michael@0 | 29 | function IsNotGR(charCode) { |
michael@0 | 30 | return (charCode < 0xa1 || charCode > 0xfe); |
michael@0 | 31 | } |
michael@0 | 32 | |
michael@0 | 33 | function test(inString) { |
michael@0 | 34 | var outString = gConverter.ConvertToUnicode(inString) + |
michael@0 | 35 | gConverter.Finish(); |
michael@0 | 36 | |
michael@0 | 37 | var outLen = outString.length; |
michael@0 | 38 | if (IsASCII(inString.charCodeAt(1)) && |
michael@0 | 39 | inString.charCodeAt(1) != outString.charCodeAt(outLen - 5)) { |
michael@0 | 40 | error(inString, outString, "ASCII second byte eaten"); |
michael@0 | 41 | } else if (IsASCII(inString.charCodeAt(2)) && |
michael@0 | 42 | inString.charCodeAt(2) != outString.charCodeAt(outLen - 4)) { |
michael@0 | 43 | error(inString, outString, "ASCII third byte eaten"); |
michael@0 | 44 | } else if (inString.charCodeAt(0) == 0x8f && |
michael@0 | 45 | inString.charCodeAt(1) > 0x7f && |
michael@0 | 46 | IsNotGR(inString.charCodeAt(2)) && |
michael@0 | 47 | (!(outString.charCodeAt(outLen - 4) == 0xFFFD || |
michael@0 | 48 | outString.charCodeAt(outLen - 4) == inString.charCodeAt(2)))) { |
michael@0 | 49 | error(inString, outString, "non-GR third byte eaten"); |
michael@0 | 50 | } |
michael@0 | 51 | } |
michael@0 | 52 | |
michael@0 | 53 | function run_test() { |
michael@0 | 54 | gConverter = new ScriptableUnicodeConverter(); |
michael@0 | 55 | gConverter.charset = charset; |
michael@0 | 56 | |
michael@0 | 57 | var byte1, byte2, byte3; |
michael@0 | 58 | for (byte1 = 1; byte1 < 0x100; ++byte1) { |
michael@0 | 59 | for (byte2 = 1; byte2 < 0x100; ++byte2) { |
michael@0 | 60 | if (byte1 == 0x8f) { |
michael@0 | 61 | for (byte3 = 1; byte3 < 0x100; ++byte3) { |
michael@0 | 62 | test(String.fromCharCode(byte1, byte2, byte3) + "foo"); |
michael@0 | 63 | } |
michael@0 | 64 | } else { |
michael@0 | 65 | test(String.fromCharCode(byte1, byte2) + " foo"); |
michael@0 | 66 | } |
michael@0 | 67 | } |
michael@0 | 68 | } |
michael@0 | 69 | } |