Read or change Custom Forum Permission

		vb.org Archive > vBulletin Article Depository > Read An Article > vBulletin 3 Articles
Read or change Custom Forum Permission

Thread Tools

Read or change Custom Forum Permission

TitanKing

Join Date: Mar 2005

Posts: 19

TitanKing

07-11-2005, 10:00 PM

Well after a HELL of a strugle I figured this out, im sure itl help many more writing or trying to write a mod...

You can also change permission with this simple script...

First you need this set of Functions:

PHP Code:


			
<?php

// ################################## Function and Classes I use in my script ############################



/* Functions for manipulating BITFIELDS

*

* init_bit(            bitfield        );

* query_bit(           bitfield, bit   );

* set_bit(             bitfield, bit   );

* remove_bit(          bitfield, bit   );

* toggle_bit(          bitfield, bit   );

*

*/



/* Some handy bitvalues, easy to remember */

define( "BIT_0", 0 );

define( "BIT_1", 1 );

define( "BIT_2", 2 );

define( "BIT_3", 4 );

define( "BIT_4", 8 );

define( "BIT_5", 16 );

define( "BIT_6", 32 );

define( "BIT_7", 64 );

define( "BIT_8", 128 );

define( "BIT_9", 256 );

define( "BIT_10", 512 );

define( "BIT_11", 1024 );

define( "BIT_12", 2048 );

define( "BIT_13", 4096 );

define( "BIT_14", 8192 );

define( "BIT_15", 16384 );

define( "BIT_16", 32768 );

define( "BIT_17", 65536 );

define( "BIT_18", 131072 );

define( "BIT_19", 262144 );

define( "BIT_20", 524288 );

define( "BIT_21", 1048576 );

define( "BIT_22", 2097152 );

define( "BIT_23", 4194304 );

define( "BIT_24", 8388608 );

define( "BIT_25", 16777216 );

define( "BIT_26", 33554432 );

define( "BIT_27", 67108864 );

define( "BIT_28", 134217728 );

define( "BIT_29", 268435456 );

define( "BIT_30", 536870912 );

define( "BIT_31", 1073741824 );



/* Return true or false, depending on if the bit is set */

function query_bit( $bitfield, $bit )

{

        return ( $bitfield & $bit );

}



/* Force a specific bit(pattern) to ON */

function set_bit( &$bitfield, $bit )

{

        $bitfield |= $bit;

}



/* Force a specific bit(pattern) to be OFF */

function remove_bit( &$bitfield, $bit )

{

        $bitfield &= ~$bit;

}



/* Toggle a bit(pattern), so bits that are on are turned off, and bits that are off are turned on. */

function toggle_bit( &$bitfield, $bit )

{

        $bitfield ^= $bit;

}

?>

Now lets see what permission a specific user has with this :

PHP Code:


			
$get_bitfield = $vbulletin->userinfo['forumpermissions']["FORUMID HERE"];

You will get a return Value of say : 917503, this is actually a bitfield that when converted to Binary you get a bunch of switches 110111111111111111111, which controlls the permission of the Forum...

Now lets continue... things will start to make sense now...

PHP Code:


			
                "canview" "forum_viewing_permissions" "can_view_forum" bits=1

                "canviewothers" "forum_viewing_permissions" "can_view_others_threads" bits=2

                "cansearch" "forum_searching_permissions" "can_search_forums" bits=4

                "canemail" "forum_viewing_permissions" "can_use_email_to_friend" bits=8

                "canpostnew" "post_thread_permissions" "can_post_threads" bits=16

                "canreplyown" "post_thread_permissions" "can_reply_to_own_threads" bits=32

                "canreplyothers" "post_thread_permissions" "can_reply_to_others_threads" bits=64

                "caneditpost" "post_thread_permissions" "can_edit_own_posts" bits=128

                "candeletepost" "post_thread_permissions" "can_delete_own_posts" bits=256

                "candeletethread" "post_thread_permissions" "can_delete_own_threads" bits=512

                "canopenclose" "post_thread_permissions" "can_open_close_own_threads" bits=1024

                "canmove" "post_thread_permissions" "can_move_own_threads" bits=2048

                "cangetattachment" "forum_viewing_permissions" "can_download_attachments" bits=4096

                "canpostattachment" "attachment_permissions" "can_upload_attachments" bits=8192

                "canpostpoll" "poll_permissions" "can_post_polls" bits=16384

                "canvote" "poll_permissions" "can_vote_on_polls" bits=32768

                "canviewthreads" "forum_viewing_permissions" "can_view_threads" bits=524288

                "canthreadrate" "post_thread_permissions" "can_rate_threads" bits=65536

                "isalwaysmoderated" "post_thread_permissions" "always_moderate_posts" bits=131072

                "canseedelnotice" "forum_viewing_permissions" "can_see_deletion_notices" bits=262144

Notice the bits at next to each setting, this is the actual bit you will use with the defined variables in the function above, say you need to know if a specific user has "can_upload_attachments" permission for say ForumID = 3, you will do the following :

PHP Code:


			
$get_bitfield = $vbulletin->userinfo['forumpermissions']["3"];

$sample = query_bit( $get_bitfield, 8192 );

echo $sample;

a Return value of 0 for false and 1 for true will be returned, the rest of the functions is to change permission the same way as above example...

An here is a little sample script how this can be used in practise...

PHP Code:


			
    $or = "";

    $get_forumpermissions = $db->query("select * FROM vb3_forumpermission where forumpermissions >= 1"); 

    while($allowed_forumpermissions_row = mysql_fetch_array($get_forumpermissions)) {    

    $forum_id = $allowed_forumpermissions_row['forumid'];

    $usergroup_id = $allowed_forumpermissions_row['usergroupid'];

    $get_bitfield = $vbulletin->userinfo['forumpermissions']["$forum_id"];

    $bitfield_allowed = query_bit($get_bitfield, 1);

    $and_2nd = "&&";

    if ( !eregi ($forum_id ,$allowed_forumpermissions_row_result)) {

    if ($bitfield_allowed == 1) { $allowed_forumpermissions_row_result .= "$or"."permissionforum = '$forum_id' ";

    $or = " or ";

    } }

    }

Cheers :squareeyed:

You may also need to know how to use the functions :

PHP Code:


			
Example

$bitfield = 0;

bit_init( $bitfield );



set_bit( $bitfield, BIT_10 )

toggle_bit( $bitfield, BIT_11 )



query_bit( $bitfield, BIT_10) -> true

query_bit( $bitfield, BIT_11) -> true

query_bit( $bitfield, BIT_5 ) -> false

10-10-2005, 09:56 PM

akanevsky

Join Date: Apr 2005

Posts: 3,972

Благодарил(а): 0 раз(а)

Поблагодарили: 0 раз(а) в 0 сообщениях

Where exactly can I use this?
These functions are not defined in vBulletin. Also, why would you want to create a new set of bitfields for forum permissions if vBulletin already has its own set?

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT. The time now is 12:59 PM.

X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.03930 seconds Memory Usage 2,247KB Queries Executed 15 (?)
More Information
Template Usage: (1)SHOWTHREAD (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)ad_showthread_beforeqr (6)bbcode_php (1)footer (1)forumjump (1)forumrules (1)gobutton (1)header (1)headinclude (1)modsystem_article (1)navbar (4)navbar_link (120)option (2)post_thanks_box (2)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (2)post_thanks_postbit_info (1)postbit (2)postbit_onlinestatus (2)postbit_wrapper (1)spacer_close (1)spacer_open (1)tagbit_wrapper Phrase Groups Available: global inlinemod postbit posting reputationlevel showthread	Included Files: ./showthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showthread_start showthread_getinfo forumjump showthread_post_start showthread_query_postids showthread_query bbcode_fetch_tags bbcode_create showthread_postbit_create postbit_factory postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start tag_fetchbit_complete forumrules navbits navbits_complete showthread_complete
Messages:

The Arcive of Official vBulletin Modifications Site.

It is not a VB3 engine, just a parsed copy!