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setup access_api.php and authentication_api.php and move some functio…
…ns around function renames can come later git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1355 f5dc347c-c33d-0410-90a0-b07cc1902cb9
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Julian Fitzell
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Aug 26, 2002
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<?php | ||
# Mantis - a php based bugtracking system | ||
# Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org | ||
# Copyright (C) 2002 Mantis Team - mantisbt-dev@lists.sourceforge.net | ||
# This program is distributed under the terms and conditions of the GPL | ||
# See the files README and LICENSE for details | ||
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# -------------------------------------------------------- | ||
# $Id: access_api.php,v 1.1 2002-08-26 22:35:05 jfitzell Exp $ | ||
# -------------------------------------------------------- | ||
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########################################################################### | ||
# Access Control API | ||
########################################################################### | ||
# function to be called when a user is attempting to access a page that | ||
# he/she is not authorised to. This outputs an access denied message then | ||
# re-directs to the mainpage. | ||
function access_denied() { | ||
global $MANTIS_ERROR, $s_proceed; | ||
print '<center>'; | ||
print '<p>' . $MANTIS_ERROR[ERROR_ACCESS_DENIED] . '<p>'; | ||
print_bracket_link( 'main_page.php', $s_proceed ); | ||
print '</center>'; | ||
exit; | ||
} | ||
# -------------------- | ||
# check to see if the access level is strictly equal | ||
function access_level_check_equal( $p_access_level, $p_project_id=0 ) { | ||
global $g_string_cookie_val; | ||
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if ( !isset( $g_string_cookie_val ) ) { | ||
return false; | ||
} | ||
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$t_access_level = get_current_user_field( 'access_level' ); | ||
$t_access_level2 = get_project_access_level( $p_project_id ); | ||
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if ( $t_access_level2 == $p_access_level ) { | ||
return true; | ||
} else if ( ( $t_access_level == $p_access_level ) && | ||
( -1 == $t_access_level2 ) ) { | ||
return true; | ||
} else { | ||
return false; | ||
} | ||
} | ||
# -------------------- | ||
# check to see if the current user has access to the specified bug. This assume that the bug exists and | ||
# that the user has access to the project (check_bug_exists() and project_access_check()). | ||
function access_bug_check( $p_bug_id, $p_view_state='' ) { | ||
global $g_private_bug_threshold; | ||
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if ( empty ( $p_view_state ) ) { | ||
$t_view_state = get_bug_field( $p_bug_id, 'view_state' ); | ||
} else { | ||
$t_view_state = (integer)$p_view_state; | ||
} | ||
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# Make sure if the bug is private, the logged in user has access to it. | ||
if ( ( $t_view_state == PRIVATE ) && !access_level_check_greater_or_equal( $g_private_bug_threshold ) ) { | ||
access_denied(); | ||
} | ||
} | ||
# -------------------- | ||
# check to see if the access level is equal or greater | ||
# this checks to see if the user has a higher access level for the current project | ||
function access_level_check_greater_or_equal( $p_access_level, $p_project_id=0 ) { | ||
global $g_string_cookie_val; | ||
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# user isn't logged in | ||
if (( !isset( $g_string_cookie_val ) )||( empty( $g_string_cookie_val ) )) { | ||
return false; | ||
} | ||
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# Administrators ALWAYS pass. | ||
if ( get_current_user_field( 'access_level' ) >= ADMINISTRATOR ) { | ||
return true; | ||
} | ||
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$t_access_level = get_current_user_field( 'access_level' ); | ||
$t_access_level2 = get_project_access_level( $p_project_id ); | ||
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# use the project level access level instead of the global access level | ||
# if the project level is not specified then use the global access level | ||
if ( -1 != $t_access_level2 ) { | ||
$t_access_level = $t_access_level2; | ||
} | ||
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if ( $t_access_level >= $p_access_level ) { | ||
return true; | ||
} else { | ||
return false; | ||
} | ||
} | ||
# Checks if the access level is greater than or equal the specified access level | ||
# The return will be true for administrators, will be the project-specific access | ||
# right if found, or the default if project is PUBLIC and no specific access right | ||
# found, otherwise, (private/not found) will return false | ||
function access_level_ge_no_default_for_private ( $p_access_level, $p_project_id ) { | ||
global $g_string_cookie_val; | ||
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# user isn't logged in | ||
if (( !isset( $g_string_cookie_val ) )||( empty( $g_string_cookie_val ) )) { | ||
return false; | ||
} | ||
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# Administrators ALWAYS pass. | ||
if ( get_current_user_field( 'access_level' ) >= ADMINISTRATOR ) { | ||
return true; | ||
} | ||
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$t_access_level = get_project_access_level( $p_project_id ); | ||
$t_project_view_state = project_get_field( $p_project_id, 'view_state' ); | ||
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# use the project level access level instead of the global access level | ||
# if the project level is not specified then use the global access level | ||
if ( ( -1 == $t_access_level ) && ( PUBLIC == $t_project_view_state ) ) { | ||
$t_access_level = get_current_user_field( 'access_level' ); | ||
} | ||
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return ( $t_access_level >= $p_access_level ); | ||
} | ||
# -------------------- | ||
# check to see if the access level is strictly equal | ||
function absolute_access_level_check_equal( $p_access_level ) { | ||
global $g_string_cookie_val; | ||
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if ( !isset( $g_string_cookie_val ) ) { | ||
return false; | ||
} | ||
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$t_access_level = get_current_user_field( 'access_level' ); | ||
if ( $t_access_level == $p_access_level ) { | ||
return true; | ||
} else { | ||
return false; | ||
} | ||
} | ||
# -------------------- | ||
# check to see if the access level is equal or greater | ||
# this checks to see if the user has a higher access level for the current project | ||
function absolute_access_level_check_greater_or_equal( $p_access_level ) { | ||
global $g_string_cookie_val; | ||
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# user isn't logged in | ||
if (( !isset( $g_string_cookie_val ) ) || | ||
( empty( $g_string_cookie_val ) )) { | ||
return false; | ||
} | ||
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$t_access_level = get_current_user_field( 'access_level' ); | ||
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if ( $t_access_level >= $p_access_level ) { | ||
return true; | ||
} else { | ||
return false; | ||
} | ||
} | ||
# -------------------- | ||
# Checks to see if the user should be here. If not then log the user out. | ||
function check_access( $p_access_level ) { | ||
# Administrators ALWAYS pass. | ||
if ( get_current_user_field( 'access_level' ) >= ADMINISTRATOR ) { | ||
return; | ||
} | ||
if ( !access_level_check_greater_or_equal( $p_access_level ) ) { | ||
access_denied(); | ||
} | ||
} | ||
# -------------------- | ||
# Checks to see if the user has access to this project | ||
# If not then log the user out | ||
# If not logged into the project it attempts to log you into that project | ||
function project_access_check( $p_bug_id, $p_project_id='0' ) { | ||
global $g_mantis_project_user_list_table, | ||
$g_mantis_project_table, $g_mantis_bug_table, | ||
$g_project_cookie_val; | ||
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project_check( $p_bug_id ); | ||
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# Administrators ALWAYS pass. | ||
if ( get_current_user_field( 'access_level' ) >= ADMINISTRATOR ) { | ||
return; | ||
} | ||
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# access_level check | ||
$t_project_id = get_bug_field( $p_bug_id, 'project_id' ); | ||
$t_project_view_state = project_get_field( $t_project_id, 'view_state' ); | ||
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# public project accept all users | ||
if ( PUBLIC == $t_project_view_state ) { | ||
return; | ||
} else { | ||
# private projects require users to be assigned | ||
$t_project_access_level = get_project_access_level( $t_project_id ); | ||
if ( -1 == $t_project_access_level ) { | ||
print_header_redirect( 'login_select_proj_page.php' ); | ||
} else { | ||
return; | ||
} | ||
} | ||
} | ||
# -------------------- | ||
# Check to see if the currently logged in project and bug project id match | ||
# If there is no match then the project cookie will be set to the bug project id | ||
# No access check is done. It is expected to be checked afterwards. | ||
function project_check( $p_bug_id ) { | ||
global $g_project_cookie, $g_project_cookie_val, $g_view_all_cookie, | ||
$g_cookie_time_length, $g_cookie_path; | ||
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$t_project_id = get_bug_field( $p_bug_id, 'project_id' ); | ||
if ( $t_project_id != $g_project_cookie_val ) { | ||
setcookie( $g_project_cookie, $t_project_id, time()+$g_cookie_time_length, $g_cookie_path ); | ||
setcookie( $g_view_all_cookie, '' ); | ||
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$t_redirect_url = get_view_redirect_url( $p_bug_id, 1 ); | ||
print_header_redirect( $t_redirect_url ); | ||
} | ||
} | ||
# -------------------- | ||
# Check to see if the current user has access on the specified project | ||
function check_access_to_project( $p_project_id ) { | ||
$t_project_view_state = project_get_field( $p_project_id, 'view_state' ); | ||
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# Administrators ALWAYS pass. | ||
if ( get_current_user_field( 'access_level' ) >= ADMINISTRATOR ) { | ||
return; | ||
} | ||
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# public project accept all users | ||
if ( PUBLIC == $t_project_view_state ) { | ||
return; | ||
} else { | ||
# private projects require users to be assigned | ||
$t_project_access_level = get_project_access_level( $p_project_id ); | ||
# -1 means not assigned, kick them out to the project selection screen | ||
if ( -1 == $t_project_access_level ) { | ||
print_header_redirect( 'login_select_proj_page.php' ); | ||
} else { # passed | ||
return; | ||
} | ||
} | ||
} | ||
# -------------------- | ||
# return the project access level for the current user/project key pair. | ||
# use the project_id if supplied. | ||
function get_project_access_level( $p_project_id=0 ) { | ||
global $g_mantis_project_user_list_table, | ||
$g_project_cookie_val; | ||
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$c_project_id = (integer)$p_project_id; | ||
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$t_user_id = get_current_user_field( 'id' ); | ||
if ( 0 == $p_project_id ) { | ||
if ( (integer)$g_project_cookie_val == 0 ) { | ||
return -1; | ||
} | ||
$query = "SELECT access_level | ||
FROM $g_mantis_project_user_list_table | ||
WHERE user_id='$t_user_id' AND project_id='$g_project_cookie_val'"; | ||
} else { | ||
$query = "SELECT access_level | ||
FROM $g_mantis_project_user_list_table | ||
WHERE user_id='$t_user_id' AND project_id='$c_project_id'"; | ||
} | ||
$result = db_query( $query ); | ||
if ( db_num_rows( $result ) > 0 ) { | ||
return db_result( $result, 0, 0 ); | ||
} else { | ||
return -1; | ||
} | ||
} | ||
# -------------------- | ||
# Return the project user list access level for the current user/project key pair if it exists. | ||
# Otherwise return the default user access level. | ||
function get_effective_access_level( $p_user_id=0, $p_project_id=-1 ) { | ||
global $g_mantis_project_user_list_table, | ||
$g_project_cookie_val; | ||
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$c_project_id = (integer)$p_project_id; | ||
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# use the current user unless otherwise specified | ||
if ( 0 == $p_user_id ) { | ||
$t_user_id = get_current_user_field( 'id' ); | ||
} else { | ||
$t_user_id = (integer)$p_user_id; | ||
} | ||
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# all projects | ||
if ( -1 == $p_project_id ) { | ||
$query = "SELECT access_level | ||
FROM $g_mantis_project_user_list_table | ||
WHERE user_id='$t_user_id' AND project_id='$g_project_cookie_val'"; | ||
} else if ( 0 == $p_project_id ) { | ||
$g_project_cookie_val = p_project_id; | ||
$query = "SELECT access_level | ||
FROM $g_mantis_project_user_list_table | ||
WHERE user_id='$t_user_id'"; | ||
} else { | ||
$query = "SELECT access_level | ||
FROM $g_mantis_project_user_list_table | ||
WHERE user_id='$t_user_id' AND project_id='$c_project_id'"; | ||
} | ||
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$result = db_query( $query ); | ||
$count = db_num_rows( $result, 0, 0 ); | ||
if ( $count>0 ) { | ||
return db_result( $result, 0, 0 ); | ||
} else { | ||
return user_get_field( $t_user_id, 'access_level' ); | ||
} | ||
} | ||
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?> |
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