tor-browser

The Tor Browser
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preflight-cache.htm (4743B)

      1 <!DOCTYPE html>
      2 <meta charset=utf-8>
      3 <title>CORS - preflight cache</title>
      4 <meta name="timeout" content="long">
      5 <meta name=author title="Odin Hørthe Omdal" href="mailto:odiho@opera.com">
      6 
      7 <script src=/resources/testharness.js></script>
      8 <script src=/resources/testharnessreport.js></script>
      9 <script src=/common/utils.js></script>
     10 <script src=support.js?pipe=sub></script>
     11 
     12 <h1>Preflight cache</h1>
     13 
     14 <div id=log></div>
     15 <script>
     16 
     17 /*
     18 * Cache
     19 */
     20 
     21 function did_preflight(expect, client, settings) {
     22    var uuid_token = (settings && settings.token) || token();
     23    if(!settings)
     24        settings = {}
     25 
     26    set = {
     27        method: 'method' in settings ? settings.method : 'GET',
     28        extra: 'extra' in settings ? '&' + settings.extra : ''
     29    }
     30 
     31    client.open(set.method,
     32            CROSSDOMAIN + 'resources/preflight.py?token=' + uuid_token + set.extra,
     33            false)
     34    client.setRequestHeader('x-print', uuid_token)
     35    client.send()
     36 
     37    client.open('GET', 'resources/preflight.py?check&token=' + uuid_token, false)
     38    client.send()
     39    assert_equals(client.response, expect === true ? '1' : '0', "did preflight")
     40    return uuid_token;
     41 }
     42 
     43 /*
     44 * Should run preflight
     45 */
     46 
     47 test(function() {
     48    var time = new Date().getTime()
     49    var client = new XMLHttpRequest()
     50    did_preflight(true, client);
     51 },
     52 'Test preflight')
     53 
     54 test(function() {
     55    var time = new Date().getTime()
     56    var client = new XMLHttpRequest()
     57 
     58    var id = did_preflight(true,  client)
     59    did_preflight(false, client, {token: id})
     60 },
     61 'preflight for x-print should be cached')
     62 
     63 test(function() {
     64    var time = new Date().getTime()
     65    var client = new XMLHttpRequest()
     66 
     67    var id = did_preflight(true, client, {extra:'max_age='})
     68    did_preflight(false, client, {extra:'max_age=', token: id})
     69 },
     70 'age = blank, should be cached')
     71 
     72 test(function() {
     73    var time = new Date().getTime()
     74    var client = new XMLHttpRequest()
     75 
     76    var id = did_preflight(true, client, {extra:'max_age=0'})
     77    did_preflight(true, client, {extra:'max_age=0', token: id})
     78 },
     79 'age = 0, should not be cached')
     80 
     81 test(function() {
     82    var time = new Date().getTime()
     83    var client = new XMLHttpRequest()
     84 
     85    var id = did_preflight(true, client, {extra:'max_age=-1'})
     86    did_preflight(true, client, {extra:'max_age=-1', token: id})
     87 },
     88 'age = -1, should not be cached');
     89 
     90 (function() {
     91    var test = async_test("preflight first request, second from cache, wait, third should preflight again"),
     92        time = new Date().getTime(),
     93        dothing = function (url, msg, set_request, func) {
     94            client = new XMLHttpRequest(),
     95            client.open('GET', url, true)
     96            if (set_request)
     97                client.setRequestHeader('x-print', msg)
     98            client.onload = test.step_func(function() {
     99                assert_equals(client.response, msg, "response " + url)
    100                if (func)
    101                    test.step(func)
    102            })
    103            client.onerror = test.step_func(function(e) {
    104                assert_unreached("Got unexpected error event on the XHR object")
    105            })
    106            client.send()
    107        }
    108 
    109    var token1 = token();
    110    test.step(function() {
    111        /* First cycle, gets x-print into the cache, with timeout 1 */
    112        var request_url = CROSSDOMAIN + 'resources/preflight.py?max_age=1&token=' + token1;
    113        dothing(request_url,
    114        'first', true, function() {
    115            test = test;
    116 
    117            /* Check if we did a preflight like we expected */
    118            dothing('resources/preflight.py?check&1&token=' + token1,
    119            '1', false, function() {
    120                test = test;
    121                dothing(request_url,
    122                'second', true, function() {
    123                    test = test;
    124 
    125                    /* Check that we didn't do a preflight (hasn't gone 1 second yet) */
    126                    dothing('resources/preflight.py?check&2&token=' + token1,
    127                    '0', false, function() {
    128                        test = test;
    129 
    130                        /* Wait until the preflight cache age is old (and thus cleared) */
    131                        test.step_timeout(() => {
    132                            dothing(request_url,
    133                            'third', true, function() {
    134                                test = test;
    135 
    136                                /* Expect that we did indeed do a preflight */
    137                                dothing('resources/preflight.py?check&3&token=' + token1,
    138                                '1', false, function() {
    139                                    test.done()
    140                                })
    141                            })
    142                        }, 1500)
    143                    })
    144                })
    145            })
    146        })
    147    })
    148 })();
    149 
    150 </script>