forked from GNUsocial/gnu-social
85 lines
3.7 KiB
Plaintext
85 lines
3.7 KiB
Plaintext
What's New in PHP OpenID 2.0
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============================
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This library implements both the OpenID 1 and OpenID 2 protocols. The
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API changes in this version of the library are minimal and mostly
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backwards-compatible with current RP and Server implementations. If
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you're already using this library for OpenID 1, only a few small
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changes (see Summary below) will be needed once you upgrade.
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The big news here is compatibility with version 2.0 of the OpenID
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protocol. Highlights include:
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* Simple Registration support in a new module Auth/OpenID/SReg.php.
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(Those previously using
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Auth_OpenID_SuccessResponse::extensionResponse() are advised to
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look here and at the example consumer and server for detailed usage
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information.)
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* OpenID provider-driven identifier selection.
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* "Negotiators" allow you to define which association types to use.
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* Improved examples/detect.php script (bugs fixed)
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* Improved layout of example consumer (see examples/consumer)
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* An improved HTML parser implementation
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* Library is now immune to being included inside functions and
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methods
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* Fixes to avoid multibyte overloading problems
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If you've written your own custom store or code that interacts
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directly with it, you'll need to review the change notes for
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Auth_OpenID_Interface in Auth/OpenID/Interface.php.
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Upgrading from earlier versions of this library
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-----------------------------------------------
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One of the additions to the OpenID protocol was a specified nonce
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format for one-way nonces. As a result, the nonce table in the
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SQL-driven stores has changed. You'll need to run the Python script
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contrib/upgrade-store-1.1-to-2.0 to upgrade your store, or you'll
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encounter errors about the wrong number of columns in the oid_nonces
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table. To run the script, you'll need a python module supporting your
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database type: pysqlite2, psycopg, or MySQLdb.
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If you cannot run the Python script, you can re-create your store by
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dropping the tables in the store and calling createTables() on the
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store object.
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Consumers should now pass the consumer return_to URL to
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Auth_OpenID_Consumer::complete() to defend against return_to URL
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tampering. This has REPLACED the old parameter, $query. $query is
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now a second optional parameter. It is STRONGLY RECOMMENDED that you
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never override $query, since the OpenID library uses its own logic to
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sidestep PHP's broken request-processing code.
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Summary of API Changes
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----------------------
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- Auth_OpenID::fixArgs is now no longer necessary, and
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Auth_OpenID_Consumer::complete and Auth_OpenID_Server::decodeRequest
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no longer take query argument arrays. *You should no longer pass any
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parameters to these methods.*
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- Auth_OpenID_SuccessResponse::extensionResponse() is no longer the
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preferred way to extract extension response parameters from the OpenID
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response. Instead, see the Auth/OpenID/SReg.php module and the
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example consumer and server for detailed usage information on
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constructing Simple Registration requests and inspecting responses.
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extensionResponse() is still valid, but now takes a second parameter
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(bool) indicating whether extension args should be signed.
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- The Auth_OpenID_Server's response answer() method now takes
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additional parameters to support provider-driven identifier selection.
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See the example server and the documentation for
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Auth_OpenID_CheckIDRequest::answer.
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- Auth_OpenID_Consumer::complete() now takes two args:
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- $return_to, a required string that is the return URL passed to
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Auth_OpenID_AuthRequest::redirectURL()
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- $query, an optional array (or null if absent) denoting the query
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parameters of the OpenID response. If null, the response data
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will be extracted from the PHP request environment. Library
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users SHOULD NOT ever pass anything for $query unless they're
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testing the library. |