** Changed in: mahara
Assignee: (unassigned) => Hugh Davenport (hugh-catalyst)
** Changed in: mahara
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/548165
Title:
Increase length of username column to 255 to support shibboleth/SSO
userIDs
Status in Mahara ePortfolio:
In Progress
Bug description:
get_new_username in lib/user.php truncates username to 30 characters
by default. In some cases this is too short.
As an example I have modified the SimpleSAMLPhP authenticator to use
the Internet2 Shibboleth SAML service provider (SP). In cases where
the eduPersonPrincipleName attribute (which look like
usern...@domain.com) is not provider to the SP, the SP can either use
the SAML1 eduPersonTargetedID attribute (which looks like
e54710df7638d...@domain.com) or the serialized SAML2 NameID (which
looks like "!IdP-entityID!SP-entityID!lq7q48crsqzyqehetxahzcgi/bc="
and the entityIDs have the form of a URL) as usernames.
30 characters is far to small to handle this and more over the
varchar(100) username field in the various tables like 'usr' will
impact on this issue aswell.
My guess is that you should be looking atleast 256 or 512 characters
for this.
PS. This is an issue for both SSP and Shibboleth.
This bug was imported from eduforge.org, see:
https://eduforge.org/tracker/index.php?func=detail&aid=3424&group_id=176&atid=739
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