Login via OpenID-2.0 (#618)

conf/app.ini

@@ -182,6 +182,38 @@ MIN_PASSWORD_LENGTH = 6
 ; True when users are allowed to import local server paths
 IMPORT_LOCAL_PATHS = false
 
+[openid]
+;
+; OpenID is an open standard and decentralized authentication protocol.
+; Your identity is the address of a webpage you provide, which describes
+; how to prove you are in control of that page.
+;
+; For more info: https://en.wikipedia.org/wiki/OpenID
+;
+; Current implementation supports OpenID-2.0
+;
+; Tested to work providers at the time of writing:
+;  - Any GNUSocial node (your.hostname.tld/username)
+;  - Any SimpleID provider (http://simpleid.koinic.net)
+;  - http://openid.org.cn/
+;  - openid.stackexchange.com
+;  - login.launchpad.net
+;
+; Whether to allow signin in via OpenID
+ENABLE_OPENID_SIGNIN = true
+; Whether to allow registering via OpenID
+ENABLE_OPENID_SIGNUP = true
+; Allowed URI patterns (POSIX regexp).
+; Space separated.
+; Only these would be allowed if non-blank.
+; Example value: trusted.domain.org trusted.domain.net
+WHITELISTED_URIS =
+; Forbidden URI patterns (POSIX regexp).
+; Space sepaated.
+; Only used if WHITELISTED_URIS is blank.
+; Example value: loadaverage.org/badguy stackexchange.com/.*spammer
+BLACKLISTED_URIS =
+
 [service]
 ACTIVE_CODE_LIVE_MINUTES = 180
 RESET_PASSWD_CODE_LIVE_MINUTES = 180