mirror of
https://github.com/classilla/tenfourfox.git
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70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
const charset = "EUC-JP";
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const ScriptableUnicodeConverter =
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Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
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"nsIScriptableUnicodeConverter");
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var gConverter;
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function error(inString, outString, msg) {
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var dispIn = "";
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var dispOut = "";
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var i;
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for (i = 0; i < inString.length; ++i) {
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dispIn += " x" + inString.charCodeAt(i).toString(16);
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}
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if (outString.length == 0) {
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dispOut = "<empty>";
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} else {
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for (i = 0; i < outString.length; ++i) {
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dispOut += " x" + outString.charCodeAt(i).toString(16);
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}
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}
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dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
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do_throw("security risk: " + msg);
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}
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function IsASCII(charCode) {
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return (charCode <= 0x7e);
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}
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function IsNotGR(charCode) {
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return (charCode < 0xa1 || charCode > 0xfe);
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}
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function test(inString) {
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var outString = gConverter.ConvertToUnicode(inString) +
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gConverter.Finish();
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var outLen = outString.length;
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if (IsASCII(inString.charCodeAt(1)) &&
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inString.charCodeAt(1) != outString.charCodeAt(outLen - 5)) {
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error(inString, outString, "ASCII second byte eaten");
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} else if (IsASCII(inString.charCodeAt(2)) &&
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inString.charCodeAt(2) != outString.charCodeAt(outLen - 4)) {
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error(inString, outString, "ASCII third byte eaten");
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} else if (inString.charCodeAt(0) == 0x8f &&
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inString.charCodeAt(1) > 0x7f &&
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IsNotGR(inString.charCodeAt(2)) &&
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(!(outString.charCodeAt(outLen - 4) == 0xFFFD ||
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outString.charCodeAt(outLen - 4) == inString.charCodeAt(2)))) {
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error(inString, outString, "non-GR third byte eaten");
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}
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}
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function run_test() {
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gConverter = new ScriptableUnicodeConverter();
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gConverter.charset = charset;
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var byte1, byte2, byte3;
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for (byte1 = 1; byte1 < 0x100; ++byte1) {
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for (byte2 = 1; byte2 < 0x100; ++byte2) {
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if (byte1 == 0x8f) {
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for (byte3 = 1; byte3 < 0x100; ++byte3) {
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test(String.fromCharCode(byte1, byte2, byte3) + "foo");
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}
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} else {
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test(String.fromCharCode(byte1, byte2) + " foo");
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}
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}
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}
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}
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