1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
// SJS file specifically for the needs of bug
// Bug 1416045/Bug 1223743 - CSP: Check baseChannel for CSP when loading multipart channel
var CSP = "script-src 'unsafe-inline', img-src 'none'";
var rootCSP = "script-src 'unsafe-inline'";
var part1CSP = "img-src *";
var part2CSP = "img-src 'none'";
var BOUNDARY = "fooboundary";
// small red image
const IMG_BYTES = atob(
"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +
"P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
);
var RESPONSE = `
<script>
var myImg = new Image;
myImg.src = "file_multipart_testserver.sjs?img";
myImg.onerror = function(e) {
window.parent.postMessage({"test": "rootCSP_test",
"msg": "img-blocked"}, "*");
};
myImg.onload = function() {
window.parent.postMessage({"test": "rootCSP_test",
"msg": "img-loaded"}, "*");
};
document.body.appendChild(myImg);
</script>
`;
var RESPONSE1 = `
<body>
<script>
var triggerNextPartFrame = document.createElement('iframe');
var myImg = new Image;
myImg.src = "file_multipart_testserver.sjs?img";
myImg.onerror = function(e) {
window.parent.postMessage({"test": "part1CSP_test",
"msg": "part1-img-blocked"}, "*");
triggerNextPartFrame.src = 'file_multipart_testserver.sjs?sendnextpart';
};
myImg.onload = function() {
window.parent.postMessage({"test": "part1CSP_test",
"msg": "part1-img-loaded"}, "*");
triggerNextPartFrame.src = 'file_multipart_testserver.sjs?sendnextpart';
};
document.body.appendChild(myImg);
document.body.appendChild(triggerNextPartFrame);
</script>
</body>
`;
var RESPONSE2 = `
<body>
<script>
var myImg = new Image;
myImg.src = "file_multipart_testserver.sjs?img";
myImg.onerror = function(e) {
window.parent.postMessage({"test": "part2CSP_test",
"msg": "part2-img-blocked"}, "*");
};
myImg.onload = function() {
window.parent.postMessage({"test": "part2CSP_test",
"msg": "part2-img-loaded"}, "*");
};
document.body.appendChild(myImg);
</script>
</body>
`;
function setGlobalState(data, key) {
x = {
data,
QueryInterface(iid) {
return this;
},
};
x.wrappedJSObject = x;
setObjectState(key, x);
}
function getGlobalState(key) {
var data;
getObjectState(key, function (x) {
data = x && x.wrappedJSObject.data;
});
return data;
}
function handleRequest(request, response) {
// avoid confusing cache behaviors
response.setHeader("Cache-Control", "no-cache", false);
if (request.queryString == "doc") {
response.setHeader("Content-Security-Policy", CSP, false);
response.setHeader(
"Content-Type",
"multipart/x-mixed-replace; boundary=" + BOUNDARY,
false
);
response.write(BOUNDARY + "\r\n");
response.write(RESPONSE);
response.write(BOUNDARY + "\r\n");
return;
}
if (request.queryString == "partcspdoc") {
response.setHeader("Content-Security-Policy", rootCSP, false);
response.setHeader(
"Content-Type",
"multipart/x-mixed-replace; boundary=" + BOUNDARY,
false
);
response.setStatusLine(request.httpVersion, 200, "OK");
response.processAsync();
response.write("--" + BOUNDARY + "\r\n");
sendNextPart(response, 1);
return;
}
if (request.queryString == "sendnextpart") {
response.setStatusLine(request.httpVersion, 204, "No content");
var blockedResponse = getGlobalState("root-document-response");
if (typeof blockedResponse == "object") {
sendNextPart(blockedResponse, 2);
sendClose(blockedResponse);
} else {
dump("Couldn't find the stored response object.");
}
return;
}
if (request.queryString == "img") {
response.setHeader("Content-Type", "image/png");
response.write(IMG_BYTES);
return;
}
// we should never get here - return something unexpected
response.write("d'oh");
}
function sendClose(response) {
response.write("--" + BOUNDARY + "--\r\n");
response.finish();
}
function sendNextPart(response, partNumber) {
response.write("Content-type: text/html" + "\r\n");
if (partNumber == 1) {
response.write("Content-Security-Policy:" + part1CSP + "\r\n");
response.write(RESPONSE1);
setGlobalState(response, "root-document-response");
} else {
response.write("Content-Security-Policy:" + part2CSP + "\r\n");
response.write(RESPONSE2);
}
response.write("--" + BOUNDARY + "\r\n");
}
|