tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_request-utils-parseJSON.js (3032B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 // Test devtools/client/netmonitor/src/utils/request-utils.js function
      5 // |parseJSON| ensure that it correctly handles plain JSON, Base 64
      6 // encoded JSON, and JSON that has XSSI protection prepended to it
      7 
      8 "use strict";
      9 
     10 const { require } = ChromeUtils.importESModule(
     11  "resource://devtools/shared/loader/Loader.sys.mjs"
     12 );
     13 const {
     14  parseJSON,
     15 } = require("resource://devtools/client/netmonitor/src/utils/request-utils.js");
     16 
     17 function run_test() {
     18  const validJSON = '{"item":{"subitem":true},"seconditem":"bar"}';
     19  const base64JSON = btoa(validJSON);
     20  const parsedJSON = { item: { subitem: true }, seconditem: "bar" };
     21  const googleStyleXSSI = ")]}'\n";
     22  const facebookStyleXSSI = "for (;;);";
     23  const notRealXSSIPrevention = "sdgijsdjg";
     24  const while1XSSIPrevention = "while(1)";
     25 
     26  const parsedValidJSON = parseJSON(validJSON);
     27  info(JSON.stringify(parsedValidJSON));
     28  ok(
     29    parsedValidJSON.json.item.subitem == parsedJSON.item.subitem &&
     30      parsedValidJSON.json.seconditem == parsedJSON.seconditem,
     31    "plain JSON is parsed correctly"
     32  );
     33 
     34  const parsedBase64JSON = parseJSON(base64JSON);
     35  ok(
     36    parsedBase64JSON.json.item.subitem === parsedJSON.item.subitem &&
     37      parsedBase64JSON.json.seconditem === parsedJSON.seconditem,
     38    "base64 encoded JSON is parsed correctly"
     39  );
     40 
     41  const parsedGoogleStyleXSSIJSON = parseJSON(googleStyleXSSI + validJSON);
     42  ok(
     43    parsedGoogleStyleXSSIJSON.strippedChars === googleStyleXSSI &&
     44      parsedGoogleStyleXSSIJSON.error === void 0 &&
     45      parsedGoogleStyleXSSIJSON.json.item.subitem === parsedJSON.item.subitem &&
     46      parsedGoogleStyleXSSIJSON.json.seconditem === parsedJSON.seconditem,
     47    "Google style XSSI sequence correctly removed and returned"
     48  );
     49 
     50  const parsedFacebookStyleXSSIJSON = parseJSON(facebookStyleXSSI + validJSON);
     51  ok(
     52    parsedFacebookStyleXSSIJSON.strippedChars === facebookStyleXSSI &&
     53      parsedFacebookStyleXSSIJSON.error === void 0 &&
     54      parsedFacebookStyleXSSIJSON.json.item.subitem ===
     55        parsedJSON.item.subitem &&
     56      parsedFacebookStyleXSSIJSON.json.seconditem === parsedJSON.seconditem,
     57    "Facebook style XSSI sequence correctly removed and returned"
     58  );
     59 
     60  const parsedWhileXSSIJSON = parseJSON(while1XSSIPrevention + validJSON);
     61  ok(
     62    parsedWhileXSSIJSON.strippedChars === while1XSSIPrevention &&
     63      parsedWhileXSSIJSON.error === void 0 &&
     64      parsedWhileXSSIJSON.json.item.subitem === parsedJSON.item.subitem &&
     65      parsedWhileXSSIJSON.json.seconditem === parsedJSON.seconditem,
     66    "While XSSI sequence correctly removed and returned"
     67  );
     68  const parsedInvalidJson = parseJSON(notRealXSSIPrevention + validJSON);
     69  ok(
     70    !parsedInvalidJson.json && !parsedInvalidJson.strippedChars,
     71    "Parsed invalid JSON does not return a data object or strippedChars"
     72  );
     73  equal(
     74    parsedInvalidJson.error.name,
     75    "SyntaxError",
     76    "Parsing invalid JSON yeilds a SyntaxError"
     77  );
     78 }