|
1
|
/**
|
|
2
|
* This file is part of Haketilo.
|
|
3
|
*
|
|
4
|
* Function: Content scripts - main script.
|
|
5
|
*
|
|
6
|
* Copyright (C) 2022 Wojtek Kosior
|
|
7
|
*
|
|
8
|
* This program is free software: you can redistribute it and/or modify
|
|
9
|
* it under the terms of the GNU General Public License as published by
|
|
10
|
* the Free Software Foundation, either version 3 of the License, or
|
|
11
|
* (at your option) any later version.
|
|
12
|
*
|
|
13
|
* This program is distributed in the hope that it will be useful,
|
|
14
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
15
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
16
|
* GNU General Public License for more details.
|
|
17
|
*
|
|
18
|
* As additional permission under GNU GPL version 3 section 7, you
|
|
19
|
* may distribute forms of that code without the copy of the GNU
|
|
20
|
* GPL normally required by section 4, provided you include this
|
|
21
|
* license notice and, in case of non-source distribution, a URL
|
|
22
|
* through which recipients can access the Corresponding Source.
|
|
23
|
* If you modify file(s) with this exception, you may extend this
|
|
24
|
* exception to your version of the file(s), but you are not
|
|
25
|
* obligated to do so. If you do not wish to do so, delete this
|
|
26
|
* exception statement from your version.
|
|
27
|
*
|
|
28
|
* As a special exception to the GPL, any HTML file which merely
|
|
29
|
* makes function calls to this code, and for that purpose
|
|
30
|
* includes it by reference shall be deemed a separate work for
|
|
31
|
* copyright law purposes. If you modify this code, you may extend
|
|
32
|
* this exception to your version of the code, but you are not
|
|
33
|
* obligated to do so. If you do not wish to do so, delete this
|
|
34
|
* exception statement from your version.
|
|
35
|
*
|
|
36
|
* You should have received a copy of the GNU General Public License
|
|
37
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
38
|
*
|
|
39
|
* I, Wojtek Kosior, thereby promise not to sue for violation of this file's
|
|
40
|
* license. Although I request that you do not make use of this code in a
|
|
41
|
* proprietary program, I am not going to enforce this in court.
|
|
42
|
*/
|
|
43
|
|
|
44
|
#IMPORT content/repo_query_cacher.js
|
|
45
|
|
|
46
|
#FROM common/browser.js IMPORT browser
|
|
47
|
#FROM common/misc.js IMPORT is_privileged_url
|
|
48
|
#FROM common/policy.js IMPORT decide_policy
|
|
49
|
#FROM content/policy_enforcing.js IMPORT enforce_blocking
|
|
50
|
|
|
51
|
let already_run = false, resolve_page_info,
|
|
52
|
page_info_prom = new Promise(cb => resolve_page_info = cb);
|
|
53
|
|
|
54
|
function on_page_info_request([type], sender, respond_cb) {
|
|
55
|
if (type !== "page_info")
|
|
56
|
return;
|
|
57
|
|
|
58
|
page_info_prom.then(respond_cb);
|
|
59
|
|
|
60
|
return true;
|
|
61
|
}
|
|
62
|
|
|
63
|
globalThis.haketilo_content_script_main = async function() {
|
|
64
|
if (already_run)
|
|
65
|
return;
|
|
66
|
|
|
67
|
already_run = true;
|
|
68
|
|
|
69
|
if (is_privileged_url(document.URL))
|
|
70
|
return;
|
|
71
|
|
|
72
|
browser.runtime.onMessage.addListener(on_page_info_request);
|
|
73
|
repo_query_cacher.start();
|
|
74
|
|
|
75
|
const policy = decide_policy(globalThis.haketilo_pattern_tree,
|
|
76
|
document.URL,
|
|
77
|
globalThis.haketilo_defualt_allow,
|
|
78
|
globalThis.haketilo_secret);
|
|
79
|
const page_info = Object.assign({url: document.URL}, policy);
|
|
80
|
["csp", "nonce"].forEach(prop => delete page_info[prop]);
|
|
81
|
|
|
82
|
if ("payload" in policy) {
|
|
83
|
const msg = ["indexeddb_files", policy.payload.identifier];
|
|
84
|
var scripts_prom = browser.runtime.sendMessage(msg);
|
|
85
|
}
|
|
86
|
|
|
87
|
await enforce_blocking(policy);
|
|
88
|
|
|
89
|
if ("payload" in policy) {
|
|
90
|
const script_response = await scripts_prom;
|
|
91
|
|
|
92
|
if ("error" in script_response) {
|
|
93
|
resolve_page_info(Object.assign(page_info, script_response));
|
|
94
|
return;
|
|
95
|
} else {
|
|
96
|
for (const script_contents of script_response) {
|
|
97
|
const html_ns = "http://www.w3.org/1999/xhtml";
|
|
98
|
const script = document.createElementNS(html_ns, "script");
|
|
99
|
|
|
100
|
script.innerText = script_contents;
|
|
101
|
script.setAttribute("nonce", policy.nonce);
|
|
102
|
document.documentElement.append(script);
|
|
103
|
script.remove();
|
|
104
|
}
|
|
105
|
}
|
|
106
|
}
|
|
107
|
|
|
108
|
resolve_page_info(page_info);
|
|
109
|
}
|
|
110
|
|
|
111
|
function main() {
|
|
112
|
if (globalThis.haketilo_pattern_tree !== undefined)
|
|
113
|
globalThis.haketilo_content_script_main();
|
|
114
|
}
|
|
115
|
|
|
116
|
#IF !UNIT_TEST
|
|
117
|
main();
|
|
118
|
#ENDIF
|