Bug 1201556 - Send hashed device id for foxfooders. r=fabrice

--HG--
extra : rebase_source : beee55eb2c52519d1c19fb5ebc667ea8b6ec7b42

b2g/chrome/content/settings.js

@@ -537,6 +537,48 @@ SettingsListener.observe("theme.selected",
   setPAC();
 })();
 
+#ifdef MOZ_B2G_RIL
+XPCOMUtils.defineLazyModuleGetter(this, "AppsUtils",
+                                  "resource://gre/modules/AppsUtils.jsm");
+
+// ======================= Dogfooders FOTA ==========================
+SettingsListener.observe('debug.performance_data.dogfooding', false,
+  isDogfooder => {
+    if (!isDogfooder) {
+      dump('AUS:Settings: Not a dogfooder!\n');
+      return;
+    }
+
+    if (!('mozTelephony' in navigator)) {
+      dump('AUS:Settings: There is no mozTelephony!\n');
+      return;
+    }
+
+    if (!('mozMobileConnections' in navigator)) {
+      dump('AUS:Settings: There is no mozMobileConnections!\n');
+      return;
+    }
+
+    let conn = navigator.mozMobileConnections[0];
+    conn.addEventListener('radiostatechange', function onradiostatechange() {
+      if (conn.radioState !== 'enabled') {
+        return;
+      }
+
+      conn.removeEventListener('radiostatechange', onradiostatechange);
+      navigator.mozTelephony.dial('*#06#').then(call => {
+        return call.result.then(res => {
+          if (res.success && res.statusMessage
+              && (res.serviceCode === 'scImei')) {
+            Services.prefs.setCharPref("app.update.imei_hash",
+                                       AppsUtils.computeHash(res.statusMessage, "SHA512"));
+          }
+        });
+      });
+    });
+  });
+#endif
+
 // =================== Various simple mapping  ======================
 var settingsToObserve = {
   'accessibility.screenreader_quicknav_modes': {

dom/apps/AppsUtils.jsm

@@ -757,8 +757,8 @@ this.AppsUtils = {
     return deferred.promise;
   },
 
-  // Returns the MD5 hash of a string.
-  computeHash: function(aString) {
+  // Returns the hash of a string, with MD5 as a default hashing function.
+  computeHash: function(aString, aAlgorithm = "MD5") {
     let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
                       .createInstance(Ci.nsIScriptableUnicodeConverter);
     converter.charset = "UTF-8";
@@ -768,7 +768,7 @@ this.AppsUtils = {
 
     let hasher = Cc["@mozilla.org/security/hash;1"]
                    .createInstance(Ci.nsICryptoHash);
-    hasher.init(hasher.MD5);
+    hasher.initWithString(aAlgorithm);
     hasher.update(data, data.length);
     // We're passing false to get the binary hash and not base64.
     let hash = hasher.finish(false);

toolkit/mozapps/update/nsUpdateService.js

@@ -31,6 +31,7 @@ const PREF_APP_UPDATE_CERT_ERRORS         = "app.update.cert.errors";
 const PREF_APP_UPDATE_CERT_MAXERRORS      = "app.update.cert.maxErrors";
 const PREF_APP_UPDATE_CERT_REQUIREBUILTIN = "app.update.cert.requireBuiltIn";
 const PREF_APP_UPDATE_CUSTOM              = "app.update.custom";
+const PREF_APP_UPDATE_IMEI_HASH           = "app.update.imei_hash";
 const PREF_APP_UPDATE_ENABLED             = "app.update.enabled";
 const PREF_APP_UPDATE_IDLETIME            = "app.update.idletime";
 const PREF_APP_UPDATE_INCOMPATIBLE_MODE   = "app.update.incompatible.mode";
@@ -3546,6 +3547,8 @@ Checker.prototype = {
       }
       url = url.replace(/%B2G_VERSION%/g,
                         getPref("getCharPref", PREF_APP_B2G_VERSION, null));
+      url = url.replace(/%IMEI%/g,
+                        getPref("getCharPref", PREF_APP_UPDATE_IMEI_HASH, "default"));
     }
 
     if (force) {