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Server Side Search
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==================
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.. _module:search:
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The search API allows clients to perform full text search across events in all
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rooms that the user has been in, including those that they have left. Only
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events that the user is allowed to see will be searched, e.g. it won't include
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events in rooms that happened after you left.
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Client behaviour
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----------------
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{{search_http_api}}
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Search Categories
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-----------------
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The search API allows clients to search in different categories of items.
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Currently the only specified category is ``room_events``.
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``room_events``
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~~~~~~~~~~~~~~~
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This category covers all events that the user is allowed to see, including
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events in rooms that they have left. The search is performed on certain keys of
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certain event types.
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The supported keys to search over are:
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- ``content.body`` in ``m.room.message``
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- ``content.name`` in ``m.room.name``
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- ``content.topic`` in ``m.room.topic``
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The search will *not* include rooms that are end to end encrypted.
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The results include a ``rank`` key that can be used to sort the results by
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revelancy. The higher the ``rank`` the more relevant the result is.
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The value of ``count`` may not match the number of results. For example due to
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the search query matching 1000s of results and the server truncating the
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response.
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Security considerations
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-----------------------
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The server must only return results that the user has permission to see.
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