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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 NUL = 0x0;
const TAB = 0x9;
export var MacAttribution = {
/**
* The file path to the `.app` directory.
*/
get applicationPath() {
// On macOS, `GreD` is like "App.app/Contents/macOS". Return "App.app".
return Services.dirsvc.get("GreD", Ci.nsIFile).parent.parent.path;
},
async setAttributionString(aAttrStr, path = this.applicationPath) {
return IOUtils.setMacXAttr(
path,
"com.apple.application-instance",
new TextEncoder().encode(`__MOZCUSTOM__${aAttrStr}`)
);
},
async getAttributionString(path = this.applicationPath) {
let promise = IOUtils.getMacXAttr(path, "com.apple.application-instance");
return promise.then(bytes => {
// We need to process the extended attribute a little bit to isolate
// the attribution string:
// - nul bytes and tabs may be present in raw attribution strings, but are
// never part of the attribution data
// - attribution data is expected to be preceeded by the string `__MOZCUSTOM__`
let attrStr = new TextDecoder().decode(
bytes.filter(b => b != NUL && b != TAB)
);
if (attrStr.startsWith("__MOZCUSTOM__")) {
// Return everything after __MOZCUSTOM__
return attrStr.slice(13);
}
throw new Error(`No attribution data found in ${path}`);
});
},
async delAttributionString(path = this.applicationPath) {
return IOUtils.delMacXAttr(path, "com.apple.application-instance");
},
};
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