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/* 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 EXPORTED_SYMBOLS = ["OpenPGPAlias"];
var OpenPGPAlias = {
_aliasDomains: null,
_aliasEmails: null,
_loaded() {
return this._aliasDomains && this._aliasEmails;
},
async load() {
let path = Services.prefs.getStringPref(
"mail.openpgp.alias_rules_file",
""
);
if (!path) {
this._clear();
return;
}
await this._loadFromFile(path);
},
_clear() {
this._aliasDomains = new Map();
this._aliasEmails = new Map();
},
_hasExpectedKeysStructure(keys) {
try {
for (let entry of keys) {
if (!("id" in entry) && !("fingerprint" in entry)) {
return false;
}
}
// all entries passed the test
return true;
} catch (ex) {
return false;
}
},
async _loadFromFile(src) {
this._clear();
let aliasRules;
let jsonData;
if (src.startsWith("file://")) {
let response = await fetch(src);
jsonData = await response.json();
} else if (src.includes("/") || src.includes("\\")) {
throw new Error(`Invalid alias rules src: ${src}`);
} else {
let spec = PathUtils.join(
Services.dirsvc.get("ProfD", Ci.nsIFile).path,
src
);
let response = await fetch(PathUtils.toFileURI(spec));
jsonData = await response.json();
}
if (!("rules" in jsonData)) {
throw new Error(
"alias file contains invalid JSON data, no rules element found"
);
}
aliasRules = jsonData.rules;
for (let entry of aliasRules) {
if (!("keys" in entry) || !entry.keys || !entry.keys.length) {
console.log("Ignoring invalid alias rule without keys");
continue;
}
if ("email" in entry && "domain" in entry) {
console.log("Ignoring invalid alias rule with both email and domain");
continue;
}
// Ignore duplicate rules, only use first rule per key.
// Require email address contains @, and domain doesn't contain @.
if ("email" in entry) {
let email = entry.email.toLowerCase();
if (!email.includes("@")) {
console.log("Ignoring invalid email alias rule: " + email);
continue;
}
if (this._aliasEmails.get(email)) {
console.log("Ignoring duplicate email alias rule: " + email);
continue;
}
if (!this._hasExpectedKeysStructure(entry.keys)) {
console.log(
"Ignoring alias rule with invalid key entries for email " + email
);
continue;
}
this._aliasEmails.set(email, entry.keys);
} else if ("domain" in entry) {
let domain = entry.domain.toLowerCase();
if (domain.includes("@")) {
console.log("Ignoring invalid domain alias rule: " + domain);
continue;
}
if (this._aliasDomains.get(domain)) {
console.log("Ignoring duplicate domain alias rule: " + domain);
continue;
}
if (!this._hasExpectedKeysStructure(entry.keys)) {
console.log(
"Ignoring alias rule with invalid key entries for domain " + domain
);
continue;
}
this._aliasDomains.set(domain, entry.keys);
} else {
console.log(
"Ignoring invalid alias rule without domain and without email"
);
}
}
},
getDomainAliasKeyList(email) {
if (!this._loaded()) {
return null;
}
let lastAt = email.lastIndexOf("@");
if (lastAt == -1) {
return null;
}
let domain = email.substr(lastAt + 1);
if (!domain) {
return null;
}
return this._aliasDomains.get(domain.toLowerCase());
},
getEmailAliasKeyList(email) {
if (!this._loaded()) {
return null;
}
return this._aliasEmails.get(email.toLowerCase());
},
hasAliasDefinition(email) {
if (!this._loaded()) {
return false;
}
email = email.toLowerCase();
let hasEmail = this._aliasEmails.has(email);
if (hasEmail) {
return true;
}
let lastAt = email.lastIndexOf("@");
if (lastAt == -1) {
return false;
}
let domain = email.substr(lastAt + 1);
if (!domain) {
return false;
}
return this._aliasDomains.has(domain);
},
};
|
