Add Firefox configuration.

.ansible/roles/mac_desktop/tasks/prefs.yaml

@@ -1,2 +1,37 @@
-- name: Clear preferences cache
+- name: 'Firefox: Set base path'
+  set_fact:
+    firefox_path: '~/Library/Application Support/Firefox'
+
+- name: 'Firefox: Find profile path'
+  set_fact:
+    profile_path: "{{ lookup('ini', 'Path section=Profile0 file=' + firefox_path + '/profiles.ini') }}"
+
+- name: 'Firefox: Add local config'
+  copy:
+    content: |
+      user_pref("privacy.firstparty.isolate", true);
+      user_pref("privacy.resistFingerprinting", true);
+      user_pref("privacy.trackingprotection.enabled", true);
+      user_pref("browser.cache.offline.enable", false);
+      user_pref("browser.safebrowsing.malware.enabled", false);
+      user_pref("browser.safebrowsing.phishing.enabled", false);
+      user_pref("browser.send_pings", false);
+      user_pref("browser.sessionstore.max_tabs_undo", 0);
+      user_pref("browser.urlbar.speculativeConnect.enabled", false);
+      user_pref("dom.battery.enabled", false);
+      user_pref("dom.event.clipboardevents.enabled", false);
+      user_pref("geo.enabled", false);
+      user_pref("media.navigator.enabled", false);
+      user_pref("network.cookie.cookieBehavior", 1);
+      // user_pref("network.cookie.lifetimePolicy", 2);
+      user_pref("network.http.referer.trimmingPolicy", 2);
+      user_pref("network.http.referer.XOriginPolicy", 2);
+      user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
+      user_pref("privacy.window.maxInnerWidth", 1400);
+      user_pref("privacy.window.maxInnerHeight", 900);
+      user_pref("webgl.disabled", true);
+    dest: "{{ firefox_path  }}/{{ profile_path }}/user.js"
+    mode: 0440
+
+- name: 'OS X: Clear preferences cache'
   command: pkill -u ${USER} cfprefsd