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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 { AppConstants } = ChromeUtils.importESModule(
"resource://gre/modules/AppConstants.sys.mjs"
);
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
TelemetryEnvironment: "resource://gre/modules/TelemetryEnvironment.sys.mjs",
UpdateUtils: "resource://gre/modules/UpdateUtils.sys.mjs",
sendStandalonePing: "resource://gre/modules/TelemetrySend.sys.mjs",
});
const PREF_BRANCH = "browser.ping-centre.";
const TELEMETRY_PREF = `${PREF_BRANCH}telemetry`;
const LOGGING_PREF = `${PREF_BRANCH}log`;
const FHR_UPLOAD_ENABLED_PREF = "datareporting.healthreport.uploadEnabled";
/**
* Observe various notifications and send them to a telemetry endpoint.
*
* @param {Object} options
* @param {string} options.topic - a unique ID for users of PingCentre to distinguish
* their data on the server side.
*/
class PingCentre {
constructor(options) {
if (!options.topic) {
throw new Error("Must specify topic.");
}
this._topic = options.topic;
this._prefs = Services.prefs.getBranch("");
this._enabled = this._prefs.getBoolPref(TELEMETRY_PREF);
this._onTelemetryPrefChange = this._onTelemetryPrefChange.bind(this);
this._prefs.addObserver(TELEMETRY_PREF, this._onTelemetryPrefChange);
this._fhrEnabled = this._prefs.getBoolPref(FHR_UPLOAD_ENABLED_PREF);
this._onFhrPrefChange = this._onFhrPrefChange.bind(this);
this._prefs.addObserver(FHR_UPLOAD_ENABLED_PREF, this._onFhrPrefChange);
this.logging = this._prefs.getBoolPref(LOGGING_PREF);
this._onLoggingPrefChange = this._onLoggingPrefChange.bind(this);
this._prefs.addObserver(LOGGING_PREF, this._onLoggingPrefChange);
}
get enabled() {
return this._enabled && this._fhrEnabled;
}
_onLoggingPrefChange(aSubject, aTopic, prefKey) {
this.logging = this._prefs.getBoolPref(prefKey);
}
_onTelemetryPrefChange(aSubject, aTopic, prefKey) {
this._enabled = this._prefs.getBoolPref(prefKey);
}
_onFhrPrefChange(aSubject, aTopic, prefKey) {
this._fhrEnabled = this._prefs.getBoolPref(prefKey);
}
_createExperimentsPayload() {
let activeExperiments = lazy.TelemetryEnvironment.getActiveExperiments();
let experiments = {};
for (let experimentID in activeExperiments) {
if (
activeExperiments[experimentID] &&
activeExperiments[experimentID].branch
) {
experiments[experimentID] = {
branch: activeExperiments[experimentID].branch,
};
}
}
return experiments;
}
_createStructuredIngestionPing(data) {
let experiments = this._createExperimentsPayload();
let locale = data.locale || Services.locale.appLocaleAsBCP47;
const payload = {
experiments,
locale,
version: AppConstants.MOZ_APP_VERSION,
release_channel: lazy.UpdateUtils.getUpdateChannel(false),
...data,
};
return payload;
}
// We route through this helper because it gets hooked in testing.
static _sendStandalonePing(endpoint, payload) {
return lazy.sendStandalonePing(endpoint, payload);
}
/**
* Sends a ping to the Structured Ingestion telemetry pipeline.
*
* The payload would be compressed using gzip.
*
* @param {Object} data The payload to be sent.
* @param {String} endpoint The destination endpoint. Note that Structured Ingestion
* requires a different endpoint for each ping. It's up to the
* caller to provide that. See more details at
* https://github.com/mozilla/gcp-ingestion/blob/master/docs/edge.md#postput-request
* @param {String} namespace Optional. The structured ingestion namespace.
* Used for data collection.
*/
sendStructuredIngestionPing(data, endpoint, namespace = undefined) {
if (!this.enabled) {
return Promise.resolve();
}
const ping = this._createStructuredIngestionPing(data);
const payload = JSON.stringify(ping);
if (this.logging) {
Services.console.logStringMessage(
`TELEMETRY PING (${this._topic}): ${payload}\n`
);
}
let gleanNamespace = "other";
switch (namespace) {
case "activity-stream":
gleanNamespace = "activity_stream";
break;
case "messaging-system":
gleanNamespace = "messaging_system";
break;
case "contextual-services":
gleanNamespace = "contextual_services";
break;
}
return PingCentre._sendStandalonePing(endpoint, payload).then(
() => {
Glean.pingCentre.sendSuccessesByNamespace[gleanNamespace].add(1);
},
event => {
Glean.pingCentre.sendFailures.add(1);
Glean.pingCentre.sendFailuresByNamespace[gleanNamespace].add(1);
console.error(
`Structured Ingestion ping failure with error: ${event.type}`
);
}
);
}
uninit() {
try {
this._prefs.removeObserver(TELEMETRY_PREF, this._onTelemetryPrefChange);
this._prefs.removeObserver(LOGGING_PREF, this._onLoggingPrefChange);
this._prefs.removeObserver(
FHR_UPLOAD_ENABLED_PREF,
this._onFhrPrefChange
);
} catch (e) {
console.error(e);
}
}
}
const PingCentreConstants = {
FHR_UPLOAD_ENABLED_PREF,
TELEMETRY_PREF,
LOGGING_PREF,
};
const EXPORTED_SYMBOLS = ["PingCentre", "PingCentreConstants"];
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