Re: Reading POST request without destroying it?

[Steve Kemp]

  A while back I asked for help with reading POST data in a module,
 such that it would still be available for use by CGI processes etc.

  I thought I had a solution using brigades and buckets, but it
 seems like I'm still missing the obvious as my data is still removed
 by the time mod_cgi/mod_php is invoked.

  I've included the code I'm using below, if there is anything
 immediately visible I'd appreciate pointers ..

Steve
-- 
http://www.steve.org.uk/

tatic const char * mod_ifier_parse_read_post_payload(request_rec *r, const char 
**rbuf)

{
    apr_bucket_brigade *bb;
    int seen_eos = 0;
    apr_status_t rv;
    apr_uri_t       *uri = &r->parsed_uri;
    uri->query = "";

    bb = apr_brigade_create(r->pool,r->connection->bucket_alloc);
    do 
    {
        apr_bucket *bucket;
        rv = 
ap_get_brigade(r->input_filters,bb,AP_MODE_READBYTES,APR_BLOCK_READ,HUGE_STRING_LEN);
        if (rv != APR_SUCCESS)
        {
            return NULL;
        }

        while (!APR_BRIGADE_EMPTY(bb))
        {
            const char *data;
            apr_size_t len;
            bucket = APR_BRIGADE_FIRST(bb);   

            if (APR_BUCKET_IS_EOS(bucket)) 
            {
                seen_eos = 1;
                break;
            }

            if (APR_BUCKET_IS_FLUSH(bucket)) 
            {
                continue;
            }

            apr_bucket_read(bucket,&data,&len,APR_BLOCK_READ);

            uri->query = apr_pstrcat(r->pool,uri->query,data,NULL);

            apr_bucket_delete(bucket);
        }
        apr_brigade_cleanup(bb);
    } while (!seen_eos);

    return( apr_pstrdup( r->pool, uri->query ) );
}