This enables too the implementation of additional contact attributes, as requested in #509 to support the SIRTFI framework.

A recent change in simplesamlphp/saml2#60 made the library return a DOMNodeList object when the contents of the AttributeValue element are not text. This lead to a bug, since the returned value is not serializable, and when storing it in the session it will go away as soon as we serialize the session to store it in the backend (whatever that is). This is always, as the SP will always redirect to the URL originating authentication. The result was an empty DOMNodeList object where there should be some value.

This commit makes the SimpleSAML_Session to implement the Serializable interface. When obtaining the attributes during login (doLogin() method), the code will now look for DOMNodeList objects, and dump them as a string with the XML representation of their contents in the 'RawAttributes' array inside $this->authData[$authority]. This allows us to parse the XML back when unserializing, and restore the original DOMNodeList object as the value of the attribute.

The issue was reported originally in the mailing list by Enrico Cavalli, affecting eduPersonTargetedID. This resolves #424.

A template now has a translator-object, SimpleSAML_Locale_Translate.
This handles the existing translation system.

The translator has a language-object, SimpleSAML_Locale_Language. This
handles discovery and switching of locale.

SimpleSAML_XHTML_Template has several methods that are wrapped
translator-methods:

t()
isLanguageRTL()
getLanguageList()
getTranslation()

This way it isn't necessary to change much of the existing system.

Move to its own template, put common functions into an included file.

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Thanks to Dick Visser for fixing this!

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If simpleSAMLphp is configured with a attribute hook that creates
attribute values containing associative arrays, and is displaying
attributes from an untrusted IdP, it can lead to cross-site scripting.

(Note that the feature allowing for attribute values with associative
arrays is believed to be unused, and will be removed in a future
release.)

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Support attribute presentation hook at example pages. (Used in Feide for orgunit presentation) (Contribution: thomas graff)

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Large upgrade on the multilanguage support. It is not complete. Have to commit in two steps, because i need to move a lot of files.



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Status templates now accepts logout link to be null, when logout is not supported. used by diagnostics page and shibboleth example

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Added translation to english and danish of some attributes. And lowercased attribute translation name lookup

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Improvement to debuglogging logging in general, handling of illegal input to saml interfaces, improved error handling, better language support, collected all error messages in one dictionary file. +++

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Adding a session->getsize class to measure the size of the session. I also removed the reference to the configuration class which saved 12% size of the session size... will be further reduced... hold on.

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