tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

xhr_sharedworker.js (2600B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 /* eslint-env worker */
      7 onconnect = e => {
      8  e.ports[0].onmessage = event => {
      9    const url = event.data;
     10 
     11    var xhr = new XMLHttpRequest();
     12    xhr.open("GET", url, false);
     13    xhr.send();
     14 
     15    const refText = xhr.responseText;
     16 
     17    function getResponse(type) {
     18      xhr = new XMLHttpRequest();
     19      xhr.open("GET", url, false);
     20      if (type !== undefined) {
     21        xhr.responseType = type;
     22      }
     23      xhr.send();
     24      return xhr.response;
     25    }
     26 
     27    if (getResponse() != refText) {
     28      throw new Error("unset responseType failed");
     29    }
     30 
     31    if (getResponse("") != refText) {
     32      throw new Error("'' responseType failed");
     33    }
     34 
     35    if (getResponse("text") != refText) {
     36      throw new Error("'text' responseType failed");
     37    }
     38 
     39    var array = new Uint8Array(getResponse("arraybuffer"));
     40    if (String.fromCharCode.apply(String, array) != refText) {
     41      throw new Error("'arraybuffer' responseType failed");
     42    }
     43 
     44    var blob = getResponse("blob");
     45    if (new FileReaderSync().readAsText(blob) != refText) {
     46      throw new Error("'blob' responseType failed");
     47    }
     48 
     49    // Make sure that we get invalid state exceptions when getting the wrong
     50    // property.
     51 
     52    function testResponseTextException(type) {
     53      xhr = new XMLHttpRequest();
     54      xhr.open("GET", url, false);
     55      xhr.responseType = type;
     56      xhr.send();
     57 
     58      var exception;
     59 
     60      try {
     61        xhr.responseText;
     62      } catch (ex) {
     63        exception = ex;
     64      }
     65 
     66      if (!exception) {
     67        throw new Error(
     68          `Failed to throw when getting responseText on ${type} type`
     69        );
     70      }
     71 
     72      if (exception.name != "InvalidStateError") {
     73        throw new Error(
     74          `Unexpected error when getting responseText on ${type} type`
     75        );
     76      }
     77 
     78      if (exception.code != DOMException.INVALID_STATE_ERR) {
     79        throw new Error(
     80          `Unexpected error code when getting responseText on ${type} type`
     81        );
     82      }
     83    }
     84 
     85    testResponseTextException("arraybuffer");
     86    testResponseTextException("blob");
     87 
     88    // Make sure "document" works, but returns text.
     89    xhr = new XMLHttpRequest();
     90 
     91    if (xhr.responseType != "") {
     92      throw new Error("Default value for responseType is wrong!");
     93    }
     94 
     95    xhr.open("GET", url, false);
     96    xhr.responseType = "document";
     97    xhr.send();
     98 
     99    if (xhr.responseText != refText) {
    100      throw new Error("'document' type not working correctly");
    101    }
    102 
    103    e.ports[0].postMessage("done");
    104  };
    105 };