Vocabulary permissions module suffers from a "Drupal limitation"


	Vocabulary permissions module suffers from a "Drupal limitation"

dzone

3-25-2007 2:46 PM

259 views

tags:

drupal, cms, security, extensions, limitations

dzone says:

"User A creates a node and applies some terms from various vocabs. Now, user B comes along and edits the node. But user B has some vocabs removed from his node edit page by your module. Now when user B submits the node form Drupal removes ALL terms in ALL vocabs, then re-adds them. However, it cannot "re-add" terms that you didn't allow user B to have. So, effectively user B has managed to deleted terms in vocabs she didn't have access to."

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/422e8386-b784-4be2-9de0-7b7bd15a6d26/75469E3B-ABFF-47B0-BCCF-6C40360F1B60/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://drupal.org/node/130362" href="http://drupal.org/node/130362" style="font-size: 11px;">drupal.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://drupal.org/node/130362"><P>By "limitation" I mean I don't think Drupal has a bug, it's just the way Drupal works.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://drupal.org/node/130362"><P>Basically the problem is this. The way Drupal works when you submit a node form is to "delete all current vocab terms" and then "re-insert terms based on the form values provided". How does this effect your module? Well, let's assume we have two users, A and B. User A has full access but user B has had some access to certain vocabs removed by your module.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/75469E3B-ABFF-47B0-BCCF-6C40360F1B60/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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