Hi Lauren,
try setting
$this->autoRender = false (instead of setting the layout to
empty), this way Cake won't send anything out to the browser.
also, you might want to try:
header('Content-Type: image/jpeg');
(notice the 'jpeg' instead of 'jpg')
See if that helps
Dave
On May 23, 9:52 pm, lauren <[EMAIL PROTECTED]> wrote:
> Hi,
>
> So I've had this working perfectly. The images are stored above the
> webroot
>
> /app
> /uploads
> img01.jpg
>
> The controller has an action which accepts the file name of the image,
> adds some HTTP headers and outputs the image contents using
> readfile().
>
> Now I can't be 100% sure but it seemed to start happening after I
> enabled Cake's caching feature. However, I've since disabled it but
> the problem remains.
>
> I've spent a few hours debugging this and here is what I've come up
> with so far:
>
> I can get the images to display correctly in my browser with a simple
> test script (no Cake) containing the following code:
> $file = 'path/to/img001.jpg';
> header('Content-Type: image/jpg');
> header('Content-Length: ' . filesize($file));
> readfile($file);
>
> So to me that rules out Apache or PHP as potential culprits.
>
> ========================================
> The HTTP headers from my test script
> ========================================http://localhost/test.php
>
> GET /test.php HTTP/1.1
> Host: localhost
> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:
> 1.8.1.14) Gecko/20080404 Firefox/2.0.0.14
> Accept: text/xml,application/xml,application/xhtml+xml,text/
> html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
> Accept-Language: en-us,en;q=0.5
> Accept-Encoding: gzip,deflate
> Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
> Keep-Alive: 300
> Connection: keep-alive
>
> HTTP/1.x 200 OK
> Date: Fri, 23 May 2008 19:47:02 GMT
> Server: Apache/2.2.3 (Win32) PHP/5.2.0
> X-Powered-By: PHP/5.2.3
> Content-Length: 2116
> Keep-Alive: timeout=5, max=100
> Connection: Keep-Alive
> Content-Type: image/jpg
> ----------------------------------------------------------
>
> ========================================
> The HTTP headers from the request in Cake:
> ========================================http://devel.domain.com/controller/displayFile/4/2.jpg/thumb
>
> GET /controller/displayFile/4/2.jpg/thumb HTTP/1.1
> Host: devel.domain.com
> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:
> 1.8.1.14) Gecko/20080404 Firefox/2.0.0.14
> Accept: text/xml,application/xml,application/xhtml+xml,text/
> html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
> Accept-Language: en-us,en;q=0.5
> Accept-Encoding: gzip,deflate
> Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
> Keep-Alive: 300
> Connection: keep-alive
> Cookie: CAKEPHP=crtafp53f202pombn3cmj83og5
>
> HTTP/1.x 200 OK
> Date: Fri, 23 May 2008 19:48:03 GMT
> Server: Apache/2.2.3 (Win32) PHP/5.2.0
> X-Powered-By: PHP/5.2.3
> P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"
> Content-Length: 2120
> Keep-Alive: timeout=5, max=99
> Connection: Keep-Alive
> Content-Type: image/jpg
> ----------------------------------------------------------
>
> I've tried removing the P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP
> IND DEM" but that didn't solve the problem.
>
> Also, here a stripped version of the code in the controller's
> displayFile() action:
>
> function displayFile($id, $file_name, $type=null) {
> Configure::write('debug', 0);
> session_destroy();
> $this->layout = '';
>
> header('Content-Type: image/jpg');
> header('Content-Length: ' . filesize($file));
> readfile($file);
> exit;
>
> }
>
> I'm hoping someone can shed some light...
>
> - Lauren
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