1 files changed, 40 insertions, 1 deletions
diff --git a/Bugzilla/WebService/Constants.pm b/Bugzilla/WebService/Constants.pm
index 2e9457add..f9728e246 100755
--- a/Bugzilla/WebService/Constants.pm
+++ b/Bugzilla/WebService/Constants.pm
@@ -13,6 +13,7 @@
 # The Original Code is the Bugzilla Bug Tracking System.
 #
 # Contributor(s): Marc Schumann <wurblzap@gmail.com>
+#                 Max Kanat-Alexander <mkanat@bugzilla.org>
 
 package Bugzilla::WebService::Constants;
 
@@ -20,11 +21,49 @@ use strict;
 use base qw(Exporter);
 
 @Bugzilla::WebService::Constants::EXPORT = qw(
+    WS_ERROR_CODE
+    ERROR_UNKNOWN_FATAL
+    ERROR_UNKNOWN_TRANSIENT
+
     ERROR_AUTH_NODATA
     ERROR_UNIMPLEMENTED
-    ERROR_GENERAL
 );
 
+# This maps the error names in global/*-error.html.tmpl to numbers.
+# Generally, transient errors should have a number above 0, and
+# fatal errors should have a number below 0.
+#
+# This hash should generally contain any error that could be thrown
+# by the WebService interface. If it's extremely unlikely that the
+# error could be thrown (like some CodeErrors), it doesn't have to
+# be listed here.
+#
+# "Transient" means "If you resubmit that request with different data,
+# it may work."
+#
+# "Fatal" means, "There's something wrong with Bugzilla, probably
+# something an administrator would have to fix."
+#
+# NOTE: Numbers must never be recycled. If you remove a number, leave a
+# comment that it was retired. Also, if an error changes its name, you'll
+# have to fix it here.
+use constant WS_ERROR_CODE => {
+    # Bug errors usually occupy the 100-200 range.
+    invalid_bug_id_or_alias     => 100,
+    invalid_bug_id_non_existent => 101,
+    bug_access_denied           => 102,
+
+    # Authentication errors are usually 300-400.
+    invalid_username_or_password => 300,
+    account_disabled             => 301,
+    auth_invalid_email           => 302,
+    extern_id_conflict           => -303,
+};
+
+# These are the fallback defaults for errors not in ERROR_CODE.
+use constant ERROR_UNKNOWN_FATAL     => -32000;
+use constant ERROR_UNKNOWN_TRANSIENT => 32000;
+
 use constant ERROR_AUTH_NODATA   => 410;
 use constant ERROR_UNIMPLEMENTED => 910;
 use constant ERROR_GENERAL       => 999;