install: create ff krb extension on every install, replica install and upgrade

We don't want to copy the extension from master to replica because the
replica may use newer version of FreeIPA and therefore the extension
code might be obsolete. Same reason for upgrades.

https://fedorahosted.org/freeipa/ticket/4478

Reviewed-By: Endi Sukma Dewata <edewata@redhat.com>

install/tools/ipa-replica-install

@@ -247,11 +247,6 @@ def install_http(config, auto_redirect):
         if ipautil.file_exists(config.dir + "/configure.jar"):
             shutil.copy(config.dir + "/configure.jar",
                         paths.CONFIGURE_JAR)
-        if ipautil.file_exists(config.dir + "/krb.js"):
-            shutil.copy(config.dir + "/krb.js",
-                        paths.KRB_JS)
-            shutil.copy(config.dir + "/kerberosauth.xpi",
-                        paths.KERBEROSAUTH_XPI)
     except Exception, e:
         print "error copying files: " + str(e)
         sys.exit(1)

ipaserver/install/httpinstance.py

@@ -347,22 +347,13 @@ class HTTPInstance(service.Service):
             root_logger.warning('Object-signing certificate was not found; '
                 'therefore, configure.jar was not created.')
 
-        self.setup_firefox_extension(self.realm, self.domain, force=True)
+        self.setup_firefox_extension(self.realm, self.domain)
 
-    def setup_firefox_extension(self, realm, domain, force=False):
+    def setup_firefox_extension(self, realm, domain):
         """Set up the signed browser configuration extension
-
-        If the extension is already set up, skip the installation unless
-        ``force`` is true.
         """
 
         target_fname = paths.KRB_JS
-        if os.path.exists(target_fname) and not force:
-            root_logger.info(
-                '%s exists, skipping install of Firefox extension',
-                    target_fname)
-            return
-
         sub_dict = dict(REALM=realm, DOMAIN=domain)
         db = certs.CertDB(realm)
         with open(db.passwd_fname) as pwdfile:

ipaserver/install/ipa_replica_prepare.py

@@ -370,9 +370,6 @@ class ReplicaPrepare(admintool.AdminTool):
         preferences_filename = paths.PREFERENCES_HTML
         if ipautil.file_exists(preferences_filename):
             self.copy_info_file(preferences_filename, "preferences.html")
-            self.copy_info_file(paths.KRB_JS, "krb.js")
-            self.copy_info_file(
-                paths.KERBEROSAUTH_XPI, "kerberosauth.xpi")
         jar_filename = paths.CONFIGURE_JAR
         if ipautil.file_exists(jar_filename):
             self.copy_info_file(jar_filename, "configure.jar")