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
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const kInChildProcess =
Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT;
const kAllowedPrefs = new Set([
// NB: please leave the testing prefs at the top, and sort the rest alphabetically if you add
// anything.
"testing.allowed-prefs.some-bool-pref",
"testing.allowed-prefs.some-char-pref",
"testing.allowed-prefs.some-int-pref",
"browser.contentblocking.report.hide_vpn_banner",
"browser.contentblocking.report.show_mobile_app",
"browser.shopping.experience2023.optedIn",
"browser.shopping.experience2023.active",
"browser.shopping.experience2023.ads.userEnabled",
"browser.shopping.experience2023.autoOpen.enabled",
"browser.shopping.experience2023.autoOpen.userEnabled",
"browser.shopping.experience2023.showKeepSidebarClosedMessage",
"browser.shopping.experience2023.sidebarClosedCount",
"narrate.rate",
"narrate.voice",
"reader.font_size",
"reader.font_type",
"reader.color_scheme",
"reader.content_width",
"reader.line_height",
"security.tls.version.enable-deprecated",
"security.xfocsp.errorReporting.automatic",
"network.trr.display_fallback_warning",
]);
const kPrefTypeMap = new Map([
["boolean", Services.prefs.PREF_BOOL],
["number", Services.prefs.PREF_INT],
["string", Services.prefs.PREF_STRING],
]);
function maybeReturnErrorForReset(pref) {
if (!kAllowedPrefs.has(pref)) {
return `Resetting pref ${pref} from content is not allowed.`;
}
return false;
}
function maybeReturnErrorForSet(pref, value) {
if (!kAllowedPrefs.has(pref)) {
return `Setting pref ${pref} from content is not allowed.`;
}
let valueType = typeof value;
if (!kPrefTypeMap.has(valueType)) {
return `Can't set pref ${pref} to value of type ${valueType}.`;
}
let prefType = Services.prefs.getPrefType(pref);
if (
prefType != Services.prefs.PREF_INVALID &&
prefType != kPrefTypeMap.get(valueType)
) {
return `Can't set pref ${pref} to a value with type ${valueType} that doesn't match the pref's type ${prefType}.`;
}
return false;
}
export class AsyncPrefsChild extends JSProcessActorChild {
set(pref, value) {
let error = maybeReturnErrorForSet(pref, value);
if (error) {
return Promise.reject(error);
}
return this.sendQuery("AsyncPrefs:SetPref", {
pref,
value,
});
}
reset(pref) {
let error = maybeReturnErrorForReset(pref);
if (error) {
return Promise.reject(error);
}
return this.sendQuery("AsyncPrefs:ResetPref", { pref });
}
}
export var AsyncPrefs = {
set(pref, value) {
if (kInChildProcess) {
return ChromeUtils.domProcessChild
.getActor("AsyncPrefs")
.set(pref, value);
}
return AsyncPrefsParent.set(pref, value);
},
reset(pref, value) {
if (kInChildProcess) {
return ChromeUtils.domProcessChild.getActor("AsyncPrefs").reset(pref);
}
return AsyncPrefsParent.reset(pref);
},
};
const methodForType = {
number: "setIntPref",
boolean: "setBoolPref",
string: "setCharPref",
};
export class AsyncPrefsParent extends JSProcessActorParent {
static set(pref, value) {
let error = maybeReturnErrorForSet(pref, value);
if (error) {
return Promise.reject(error);
}
let methodToUse = methodForType[typeof value];
try {
Services.prefs[methodToUse](pref, value);
} catch (ex) {
console.error(ex);
return Promise.reject(ex.message);
}
return Promise.resolve(value);
}
static reset(pref) {
let error = maybeReturnErrorForReset(pref);
if (error) {
return Promise.reject(error);
}
try {
Services.prefs.clearUserPref(pref);
} catch (ex) {
console.error(ex);
return Promise.reject(ex.message);
}
return Promise.resolve();
}
receiveMessage(msg) {
if (msg.name == "AsyncPrefs:SetPref") {
return AsyncPrefsParent.set(msg.data.pref, msg.data.value);
}
return AsyncPrefsParent.reset(msg.data.pref);
}
}
|