The Tor Browser: netwerk/test/unit/test

     1 /**

     2  * Test for Bidi restrictions on IDNs from RFC 3454

     3  */

     5 var Cc = Components.classes;

     6 var Ci = Components.interfaces;

     7 var idnService;

     9 function expected_pass(inputIDN)

    10 {

    11   var isASCII = {};

    12   var displayIDN = idnService.convertToDisplayIDN(inputIDN, isASCII);

    13   do_check_eq(displayIDN, inputIDN);

    14 }

    16 function expected_fail(inputIDN)

    17 {

    18   var isASCII = {};

    19   var displayIDN = "";

    21   try {

    22     displayIDN = idnService.convertToDisplayIDN(inputIDN, isASCII);

    23   }

    24   catch(e) {}

    26   do_check_neq(displayIDN, inputIDN);

    27 }

    29 function run_test() {

    30    // add an IDN whitelist pref

    31   var pbi = Cc["@mozilla.org/preferences-service;1"]

    32     .getService(Ci.nsIPrefBranch);

    33   pbi.setBoolPref("network.IDN.whitelist.com", true);

    35   idnService = Cc["@mozilla.org/network/idn-service;1"]

    36     .getService(Ci.nsIIDNService);

    37   /*

    38    * In any profile that specifies bidirectional character handling, all

    39    * three of the following requirements MUST be met:

    40    *

    41    * 1) The characters in section 5.8 MUST be prohibited.

    42    */

    44   // 0340; COMBINING GRAVE TONE MARK

    45   expected_fail("foo\u0340bar.com");

    46   // 0341; COMBINING ACUTE TONE MARK

    47   expected_fail("foo\u0341bar.com");

    48   // 200E; LEFT-TO-RIGHT MARK

    49   expected_fail("foo\200ebar.com");

    50   // 200F; RIGHT-TO-LEFT MARK

    51   //  Note: this is an RTL IDN so that it doesn't fail test 2) below

    52   expected_fail("\u200f\u0645\u062B\u0627\u0644.\u0622\u0632\u0645\u0627\u06CC\u0634\u06CC");

    53   // 202A; LEFT-TO-RIGHT EMBEDDING

    54   expected_fail("foo\u202abar.com");

    55   // 202B; RIGHT-TO-LEFT EMBEDDING

    56   expected_fail("foo\u202bbar.com");

    57   // 202C; POP DIRECTIONAL FORMATTING

    58   expected_fail("foo\u202cbar.com");

    59   // 202D; LEFT-TO-RIGHT OVERRIDE

    60   expected_fail("foo\u202dbar.com");

    61   // 202E; RIGHT-TO-LEFT OVERRIDE

    62   expected_fail("foo\u202ebar.com");

    63   // 206A; INHIBIT SYMMETRIC SWAPPING

    64   expected_fail("foo\u206abar.com");

    65   // 206B; ACTIVATE SYMMETRIC SWAPPING

    66   expected_fail("foo\u206bbar.com");

    67   // 206C; INHIBIT ARABIC FORM SHAPING

    68   expected_fail("foo\u206cbar.com");

    69   // 206D; ACTIVATE ARABIC FORM SHAPING

    70   expected_fail("foo\u206dbar.com");

    71   // 206E; NATIONAL DIGIT SHAPES

    72   expected_fail("foo\u206ebar.com");

    73   // 206F; NOMINAL DIGIT SHAPES

    74   expected_fail("foo\u206fbar.com");

    76   /*

    77    * 2) If a string contains any RandALCat character, the string MUST NOT

    78    *    contain any LCat character.

    79    */

    81   // www.מיץpetel.com is invalid

    82   expected_fail("www.\u05DE\u05D9\u05E5petel.com");

    83   // But www.מיץפטל.com is fine because the ltr and rtl characters are in

    84   // different labels

    85   expected_pass("www.\u05DE\u05D9\u05E5\u05E4\u05D8\u05DC.com");

    87   /*

    88    * 3) If a string contains any RandALCat character, a RandALCat

    89    *    character MUST be the first character of the string, and a

    90    *    RandALCat character MUST be the last character of the string.

    91    */

    93   // www.1מיץ.com is invalid

    94   expected_fail("www.1\u05DE\u05D9\u05E5.com");

    95   // www.מיץ1.com is invalid

    96   expected_fail("www.\u05DE\u05D9\u05E51.com");

    97   // But www.מיץ1פטל.com is fine

    98   expected_pass("www.\u05DE\u05D9\u05E51\u05E4\u05D8\u05DC.com");

    99 }

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