On 5 February 2010 09:08, elk dolk <elkd...@yahoo.com> wrote:
>> ----------------------------------------------------------
>> > I have my photos in /public_html/img/gid directory and
>> with this path:
>> > <img src='http://www.mydomain.com/img/{$gid}/{$photoFileName}' in
>> getImage.php the server displays the photos.
>> >
>> > Now if I put my photos outside of the public_html like
>> this:
>> > /hidden_images/img/gid
>> >
>> > what would be the correct path to the photos in the
>> getImage.php script?
>> Do you mean what url? You'll need a script to pull them
>> from outside the document root. The advantage of this is you
>> can do authentication checks before displaying the image.
>> The disadvantage is the web-server isn't serving the images
>> directly so there will be a slow down.
>> So you point your images to
>> getimage.php?image=123456
> ..............................................................
> thank you for your useful comment, but I mean what url should I use
> for img src instead of <img 
> src='http://www.mydomain.com/img/{$gid}/{$photoFileName}' in the getImage.php 
> script?
> --
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The whole point of putting the images _OUTSIDE_ of the web root is to
completely remove the possibility of having all your images downloaded
without any checks of who is doing it.

If I can enter the URL of the image directly, why would I pay you for
it (for example).

So, producing a symlink/alias of the images folder so that it DOES
exist within docroot is completely redundant.

Something like this is what I would expect your getImage.php script to be.

// Session processing - validate session - force login page or just
home page if not valid.

// Where are the images?
define('IMAGES_LOCATION', '/some/absolute/path/to/the/images/');

// Validate the image ID requested - must be +ve integer.
if (!is_numeric($_GET['imgID']) || intval($_GET['imgID']) <= 0) {
  // force login or just home page as the request is invalid.

// Force the Image ID to an integer.
$imgID = intval($_GET['imgID']);

// At this stage, you need to convert the id from a number to the file name.
// I assume you have a DB of these.
$imgName = some_technique_to_get_the_name($imgID);

// Make sure the image exists.
if (!file_exists(IMAGES_LOCATION . $imgName)) {
  // Report a missing image.

// Read image's type.
$imgData = getimagesize(IMAGES_LOCATION . $imgName);

// Send appropriate image header.
header("Content-type: {$imgData['mime']}");

// Send the image.
readfile(IMAGES_LOCATION . $imgName);

// Done.

Richard Quadling
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