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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
"use strict";
const BASE_URL = "http://example.com";
const FETCH_ORIGIN = "http://example.com/data/file_sample.html";
const server = createHttpServer({ hosts: ["example.com"] });
server.registerDirectory("/data/", do_get_file("data"));
server.registerPathHandler("/status", (request, response) => {
let IfNoneMatch = request.hasHeader("If-None-Match")
? request.getHeader("If-None-Match")
: "";
switch (IfNoneMatch) {
case "1234567890":
response.setStatusLine("1.1", 304, "Not Modified");
response.setHeader("Content-Type", "text/html", false);
response.setHeader("Etag", "1234567890", false);
break;
case "":
response.setStatusLine("1.1", 200, "OK");
response.setHeader("Content-Type", "text/html", false);
response.setHeader("Etag", "1234567890", false);
response.write("ok");
break;
default:
throw new Error(`Unexpected If-None-Match: ${IfNoneMatch}`);
}
});
// This test initialises a cache entry with a CSP header, then
// loads the cached entry and replaces the CSP header with
// a new one. We test in onResponseStarted that the header
// is what we expect.
add_task(async function test_replaceResponseHeaders() {
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
let extension = ExtensionTestUtils.loadExtension({
background() {
function replaceHeader(headers, newHeader) {
headers = headers.filter(header => header.name !== newHeader.name);
headers.push(newHeader);
return headers;
}
let testHeaders = [
{
name: "Content-Security-Policy",
value: "object-src 'none'; script-src 'none'",
},
{
name: "Content-Security-Policy",
value: "object-src 'none'; script-src https:",
},
];
browser.webRequest.onHeadersReceived.addListener(
details => {
if (!details.fromCache) {
// Add a CSP header on the initial request
details.responseHeaders.push(testHeaders[0]);
return {
responseHeaders: details.responseHeaders,
};
}
// Test that the header added during the initial request is
// now in the cached response.
let header = details.responseHeaders.filter(header => {
browser.test.log(`header ${header.name} = ${header.value}`);
return header.name == "Content-Security-Policy";
});
browser.test.assertEq(
header[0].value,
testHeaders[0].value,
"pre-cached header exists"
);
// Replace the cached value so we can test overriding the header that was cached.
return {
responseHeaders: replaceHeader(
details.responseHeaders,
testHeaders[1]
),
};
},
{
urls: ["http://example.com/*/file_sample.html?r=*"],
},
["blocking", "responseHeaders"]
);
browser.webRequest.onResponseStarted.addListener(
details => {
let needle = details.fromCache ? testHeaders[1] : testHeaders[0];
let header = details.responseHeaders.filter(header => {
browser.test.log(`header ${header.name} = ${header.value}`);
return header.name == needle.name && header.value == needle.value;
});
browser.test.assertEq(
header.length,
1,
"header exists with correct value"
);
if (details.fromCache) {
browser.test.sendMessage("from-cache");
}
},
{
urls: ["http://example.com/*/file_sample.html?r=*"],
},
["responseHeaders"]
);
},
manifest: {
permissions: ["webRequest", "webRequestBlocking", "http://example.com/"],
},
});
await extension.startup();
let url = `${BASE_URL}/data/file_sample.html?r=${Math.random()}`;
await ExtensionTestUtils.fetch(FETCH_ORIGIN, url);
await ExtensionTestUtils.fetch(FETCH_ORIGIN, url);
await extension.awaitMessage("from-cache");
await extension.unload();
});
// This test initialises a cache entry with a CSP header, then
// loads the cached entry and adds a second CSP header. We also
// test that the browser has the CSP entries we expect.
add_task(async function test_addCSPHeaders() {
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
let extension = ExtensionTestUtils.loadExtension({
background() {
let testHeaders = [
{
name: "Content-Security-Policy",
value: "object-src 'none'; script-src 'none'",
},
{
name: "Content-Security-Policy",
value: "object-src 'none'; script-src https:",
},
];
browser.webRequest.onHeadersReceived.addListener(
details => {
if (!details.fromCache) {
details.responseHeaders.push(testHeaders[0]);
return {
responseHeaders: details.responseHeaders,
};
}
browser.test.log("cached request received");
details.responseHeaders.push(testHeaders[1]);
return {
responseHeaders: details.responseHeaders,
};
},
{
urls: ["http://example.com/*/file_sample.html?r=*"],
},
["blocking", "responseHeaders"]
);
browser.webRequest.onCompleted.addListener(
details => {
let { name, value } = testHeaders[0];
if (details.fromCache) {
value = `${value}, ${testHeaders[1].value}`;
}
let header = details.responseHeaders.filter(header => {
browser.test.log(`header ${header.name} = ${header.value}`);
return header.name == name && header.value == value;
});
browser.test.assertEq(
header.length,
1,
"header exists with correct value"
);
if (details.fromCache) {
browser.test.sendMessage("from-cache");
}
},
{
urls: ["http://example.com/*/file_sample.html?r=*"],
},
["responseHeaders"]
);
},
manifest: {
permissions: ["webRequest", "webRequestBlocking", "http://example.com/"],
},
});
await extension.startup();
let url = `${BASE_URL}/data/file_sample.html?r=${Math.random()}`;
let contentPage = await ExtensionTestUtils.loadContentPage(url);
equal(contentPage.browser.csp.policyCount, 1, "expected 1 policy");
equal(
contentPage.browser.csp.getPolicy(0),
"object-src 'none'; script-src 'none'",
"expected policy"
);
await contentPage.close();
contentPage = await ExtensionTestUtils.loadContentPage(url);
equal(contentPage.browser.csp.policyCount, 2, "expected 2 policies");
equal(
contentPage.browser.csp.getPolicy(0),
"object-src 'none'; script-src 'none'",
"expected first policy"
);
equal(
contentPage.browser.csp.getPolicy(1),
"object-src 'none'; script-src https:",
"expected second policy"
);
await extension.awaitMessage("from-cache");
await contentPage.close();
await extension.unload();
});
// This test verifies that a content type changed during
// onHeadersReceived is cached. We initialize the cache,
// then load against a url that will specifically return
// a 304 status code.
add_task(async function test_addContentTypeHeaders() {
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
let extension = ExtensionTestUtils.loadExtension({
background() {
browser.webRequest.onBeforeSendHeaders.addListener(
details => {
browser.test.log(`onBeforeSendHeaders ${JSON.stringify(details)}\n`);
},
{
urls: ["http://example.com/status*"],
},
["blocking", "requestHeaders"]
);
browser.webRequest.onHeadersReceived.addListener(
details => {
browser.test.log(`onHeadersReceived ${JSON.stringify(details)}\n`);
if (!details.fromCache) {
browser.test.sendMessage("statusCode", details.statusCode);
const mime = details.responseHeaders.find(header => {
return header.value && header.name === "content-type";
});
if (mime) {
mime.value = "text/plain";
} else {
details.responseHeaders.push({
name: "content-type",
value: "text/plain",
});
}
return {
responseHeaders: details.responseHeaders,
};
}
},
{
urls: ["http://example.com/status*"],
},
["blocking", "responseHeaders"]
);
browser.webRequest.onCompleted.addListener(
details => {
browser.test.log(`onCompleted ${JSON.stringify(details)}\n`);
const mime = details.responseHeaders.find(header => {
return header.value && header.name === "content-type";
});
browser.test.sendMessage("contentType", mime.value);
},
{
urls: ["http://example.com/status*"],
},
["responseHeaders"]
);
},
manifest: {
permissions: ["webRequest", "webRequestBlocking", "http://example.com/"],
},
});
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
`${BASE_URL}/status`
);
equal(await extension.awaitMessage("statusCode"), "200", "status OK");
equal(
await extension.awaitMessage("contentType"),
"text/plain",
"plain text header"
);
await contentPage.close();
contentPage = await ExtensionTestUtils.loadContentPage(`${BASE_URL}/status`);
equal(await extension.awaitMessage("statusCode"), "304", "not modified");
equal(
await extension.awaitMessage("contentType"),
"text/plain",
"plain text header"
);
await contentPage.close();
await extension.unload();
});
|
