Change how built-in OAuth2 authentication works

This change allows easier extending of built-in OAuth2 authentications
with minimal code "duplication".

A CMake option ENABLE_GOOGLE_AUTH had been renamed to ENABLE_OAUTH2
to reflect this extensibility as well.

1 files changed, 17 insertions, 0 deletions

diff --git a/data/org.gnome.evolution-data-server.gschema.xml.in b/data/org.gnome.evolution-data-server.gschema.xml.in
index a669207cd..805f6895d 100644
--- a/data/org.gnome.evolution-data-server.gschema.xml.in
+++ b/data/org.gnome.evolution-data-server.gschema.xml.in
@@ -29,5 +29,22 @@
       <_summary>A list of variables which can be part of the autoconfig .source files</_summary>
       <_description>Each item of the array is expected to be of the form: name=value. These variables are checked before environment variables, but after the predefined USER, REALNAME and HOST variables.</_description>
     </key>
+    <key name="oauth2-services-hint" type="as">
+      <default>['']</default>
+      <_summary>A list of hints for OAuth2 services</_summary>
+      <_description>Users can extend the list of supported protocols and hostnames for defined OAuth2 services, in addition to those hard-coded.
+      Each line can be of the form:
+         servicename[-protocol]:hostname1,hostname2,...
+      where 'servicename' is the actual service name;
+      the '-protocol' is optional, and if written, then the service can be used only if both 'protocol' and 'hostnameX' match;
+      the 'hostnameX' is the actual host name to compare with, case insensitively.
+      Each line can contain multiple values, separated by comma. There can be provided multiple lines
+      for one OAuth2 service. Note that the actual URL where the token is requested and refreshed cannot
+      be changed here, the hostname is to allow other servers, where the OAuth2 service can be used.
+
+      Examples:
+         Company:mail.company.com - enables 'Company' OAuth2 authentication for 'mail.company.com' host
+	 Company-CalDAV:caldav.company.com - enables 'Company' OAuth2 authentication for any 'CalDAV' source, which reads data from 'caldav.companycaldav.com' host</_description>
+    </key>
   </schema>
 </schemalist>