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view tests/dbupload.ur @ 2139:8c81cd351c1a

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Allow URIs specified in file directives implicitly It seems to me that, by specifying that one wants to serve a given file at a specified URI, one is implying that this URI should be allowed.
author Julian Squires <julian@cipht.net>
date Fri, 24 Apr 2015 16:21:55 -0400
parents 216a3a67ebe3
children
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table t : { Id : int, Blob : blob, MimeType : string }
sequence s

fun getImage id : transaction page =
    r <- oneRow1 (SELECT t.Blob, t.MimeType
                  FROM t
                  WHERE t.Id = {[id]});
    returnBlob r.Blob (blessMime r.MimeType)

fun main () : transaction page =
    let
        fun handle r =
            id <- nextval s;
            dml (INSERT INTO t (Id, Blob, MimeType)
                 VALUES ({[id]}, {[fileData r.File]}, {[fileMimeType r.File]}));
            main ()
    in
        x <- queryX1 (SELECT t.Id FROM t)
                     (fn r => <xml><img src={url (getImage r.Id)}/><br/></xml>);
        return <xml><body>
          <form><upload{#File}/> <submit action={handle}/></form>
          <hr/>
          {x}
        </body></xml>
    end