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<?php
# MantisBT - a php based bugtracking system
# MantisBT is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# MantisBT is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MantisBT. If not, see <http://www.gnu.org/licenses/>.
/**
* Misc. Helper Functions
* @package CoreAPI
* @subpackage HelperAPI
* @copyright Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright (C) 2002 - 2012 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*/
/**
* alternate color function
* If no index is given, continue alternating based on the last index given
* @param int $p_index
* @param string $p_odd_color
* @param string $p_even_color
* @return string
*/
function helper_alternate_colors( $p_index, $p_odd_color, $p_even_color ) {
static $t_index = 1;
if( null !== $p_index ) {
$t_index = $p_index;
}
if( 1 == $t_index++ % 2 ) {
return $p_odd_color;
} else {
return $p_even_color;
}
}
/**
* alternate classes for table rows
* If no index is given, continue alternating based on the last index given
* @param int $p_index
* @param string $p_odd_class default: row-1
* @param string $p_even_class default: row-2
* @return string
*/
function helper_alternate_class( $p_index = null, $p_odd_class = 'row-1', $p_even_class = 'row-2' ) {
static $t_index = 1;
if( null !== $p_index ) {
$t_index = $p_index;
}
if( 1 == $t_index++ % 2 ) {
return "class=\"$p_odd_class\"";
} else {
return "class=\"$p_even_class\"";
}
}
/**
* get the color string for the given status, user and project
* @param int $p_status
* @param int|null $p_user user id, defaults to null (all users)
* @param int|null $p_project project id, defaults to null (all projects)
* @return string
*/
function get_status_color( $p_status, $p_user = null, $p_project = null ) {
$t_status_label = MantisEnum::getLabel( config_get( 'status_enum_string', null, $p_user, $p_project ), $p_status );
$t_status_colors = config_get( 'status_colors', null, $p_user, $p_project );
$t_color = '#ffffff';
if ( isset( $t_status_colors[$t_status_label] ) ) {
$t_color = $t_status_colors[$t_status_label];
}
return $t_color;
}
/**
* Given a enum string and num, return the appropriate string for the
* specified user/project
* @param string $p_enum_name
* @param int $p_val
* @param int|null $p_user user id, defaults to null (all users)
* @param int|null $p_project project id, defaults to null (all projects)
* @return string
*/
function get_enum_element( $p_enum_name, $p_val, $p_user = null, $p_project = null ) {
$config_var = config_get( $p_enum_name . '_enum_string', null, $p_user, $p_project );
$string_var = lang_get( $p_enum_name . '_enum_string' );
return MantisEnum::getLocalizedLabel( $config_var, $string_var, $p_val );
}
/**
* If $p_var is not an array and is equal to $p_val then we PRINT SELECTED.
* If $p_var is an array, then if any member is equal to $p_val we PRINT SELECTED.
* This is used when we want to know if a variable indicated a certain
* option element is selected
*
* If the second parameter is not given, the first parameter is compared
* to the boolean value true
* @param mixed $p_var
* @param mixed $p_val
* @return null
*/
function check_selected( $p_var, $p_val = true ) {
if( is_array( $p_var ) ) {
foreach( $p_var as $t_this_var ) {
# catch the case where one entry is 0 and the other is a string.
if( is_string( $t_this_var ) && is_string( $p_val ) ) {
if( $t_this_var === $p_val ) {
echo ' selected="selected" ';
return;
}
}
else if( $t_this_var == $p_val ) {
echo ' selected="selected" ';
return;
}
}
} else {
if( is_string( $p_var ) && is_string( $p_val ) ) {
if( $p_var === $p_val ) {
echo ' selected="selected" ';
return;
}
}
else if( $p_var == $p_val ) {
echo ' selected="selected" ';
return;
}
}
}
/**
* If $p_var and $p_val are equal to each other then we PRINT CHECKED
* This is used when we want to know if a variable indicated a certain
* element is checked
*
* If the second parameter is not given, the first parameter is compared
* to the boolean value true
* @param mixed $p_var
* @param mixed $p_val
* @return null
*/
function check_checked( $p_var, $p_val = true ) {
if( $p_var == $p_val ) {
echo ' checked="checked" ';
}
}
/**
* Set up PHP for a long process execution
* The script timeout is set based on the value of the long_process_timeout config option.
* $p_ignore_abort specified whether to ignore user aborts by hitting
* the Stop button (the default is not to ignore user aborts)
* @param bool $p_ignore_abort
* @return int
*/
function helper_begin_long_process( $p_ignore_abort = false ) {
$t_timeout = config_get( 'long_process_timeout' );
# silent errors or warnings reported when safe_mode is ON.
@set_time_limit( $t_timeout );
ignore_user_abort( $p_ignore_abort );
return $t_timeout;
}
# this allows pages to override the current project settings.
# This typically applies to the view bug pages where the "current"
# project as used by the filters, etc, does not match the bug being viewed.
$g_project_override = null;
$g_cache_current_project = null;
/**
* Return the current project id as stored in a cookie
* If no cookie exists, the user's default project is returned
* @return int
*/
function helper_get_current_project() {
global $g_project_override, $g_cache_current_project;
if( $g_project_override !== null ) {
return $g_project_override;
}
if( $g_cache_current_project === null ) {
$t_cookie_name = config_get( 'project_cookie' );
$t_project_id = gpc_get_cookie( $t_cookie_name, null );
if( null === $t_project_id ) {
$t_pref = user_pref_get( auth_get_current_user_id(), ALL_PROJECTS, false );
$t_project_id = $t_pref->default_project;
} else {
$t_project_id = explode( ';', $t_project_id );
$t_project_id = $t_project_id[count( $t_project_id ) - 1];
}
if( !project_exists( $t_project_id ) || ( 0 == project_get_field( $t_project_id, 'enabled' ) ) || !access_has_project_level( VIEWER, $t_project_id ) ) {
$t_project_id = ALL_PROJECTS;
}
$g_cache_current_project = (int) $t_project_id;
}
return $g_cache_current_project;
}
/**
* Return the current project id as stored in a cookie, in an Array
* If no cookie exists, the user's default project is returned
* If the current project is a subproject, the return value will include
* any parent projects
* @return array
*/
function helper_get_current_project_trace() {
$t_cookie_name = config_get( 'project_cookie' );
$t_project_id = gpc_get_cookie( $t_cookie_name, null );
if( null === $t_project_id ) {
$t_bottom = current_user_get_pref( 'default_project' );
$t_parent = $t_bottom;
$t_project_id = Array(
$t_bottom,
);
while( true ) {
$t_parent = project_hierarchy_get_parent( $t_parent );
if( 0 == $t_parent ) {
break;
}
array_unshift($t_project_id, $t_parent);
}
} else {
$t_project_id = explode( ';', $t_project_id );
$t_bottom = $t_project_id[count( $t_project_id ) - 1];
}
if( !project_exists( $t_bottom ) || ( 0 == project_get_field( $t_bottom, 'enabled' ) ) || !access_has_project_level( VIEWER, $t_bottom ) ) {
$t_project_id = Array(
ALL_PROJECTS,
);
}
return $t_project_id;
}
/**
* Set the current project id (stored in a cookie)
* @param int $p_project_id
* @return bool always true
*/
function helper_set_current_project( $p_project_id ) {
global $g_cache_current_project;
$t_project_cookie_name = config_get( 'project_cookie' );
$g_cache_current_project = $p_project_id;
gpc_set_cookie( $t_project_cookie_name, $p_project_id, true );
return true;
}
/**
* Clear all known user preference cookies
* @return null
*/
function helper_clear_pref_cookies() {
gpc_clear_cookie( config_get( 'project_cookie' ) );
gpc_clear_cookie( config_get( 'manage_cookie' ) );
}
/**
* Check whether the user has confirmed this action.
*
* If the user has not confirmed the action, generate a page which asks
* the user to confirm and then submits a form back to the current page
* with all the GET and POST data and an additional field called _confirmed
* to indicate that confirmation has been done.
* @param string $p_message
* @param string $p_button_label
* @return bool
* @todo improve this formatting - to only be about 50% of the screen width so that it doesn't become hard to read.
*/
function helper_ensure_confirmed( $p_message, $p_button_label ) {
if( true == gpc_get_bool( '_confirmed' ) ) {
return true;
}
html_page_top();
echo "<br />\n<div align=\"center\">\n";
print_hr();
echo "\n$p_message\n";
echo '<form method="post" action="' . string_attribute( form_action_self() ) . "\">\n";
# CSRF protection not required here - user needs to confirm action
# before the form is accepted.
print_hidden_inputs( gpc_strip_slashes( $_POST ) );
print_hidden_inputs( gpc_strip_slashes( $_GET ) );
echo "<input type=\"hidden\" name=\"_confirmed\" value=\"1\" />\n";
echo '<br /><br /><input type="submit" class="button" value="' . $p_button_label . '" />';
echo "\n</form>\n";
print_hr();
echo "</div>\n";
html_page_bottom();
exit;
}
/**
* Call custom function.
*
* $p_function - Name of function to call (eg: do_stuff). The function will call custom_function_override_do_stuff()
* if found, otherwise, will call custom_function_default_do_stuff().
* $p_args_array - Parameters to function as an array
* @param string $p_function
* @param array $p_args_array
* @return mixed
*/
function helper_call_custom_function( $p_function, $p_args_array ) {
$t_function = 'custom_function_override_' . $p_function;
if( !function_exists( $t_function ) ) {
$t_function = 'custom_function_default_' . $p_function;
}
return call_user_func_array( $t_function, $p_args_array );
}
/**
* return string to use in db queries containing projects of given user
* @param int $p_project_id
* @param int $p_user_id
* @return string
*/
function helper_project_specific_where( $p_project_id, $p_user_id = null ) {
if( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
$t_project_ids = user_get_all_accessible_projects( $p_user_id, $p_project_id );
if( 0 == count( $t_project_ids ) ) {
$t_project_filter = ' 1<>1';
} else if( 1 == count( $t_project_ids ) ) {
$t_project_filter = ' project_id=' . $t_project_ids[0];
} else {
$t_project_filter = ' project_id IN (' . join( ',', $t_project_ids ) . ')';
}
return $t_project_filter;
}
/**
*
* @param int $p_columns_target
* @param bool $p_viewable_only
* @param int $p_user_id
* @return array
*/
function helper_get_columns_to_view( $p_columns_target = COLUMNS_TARGET_VIEW_PAGE, $p_viewable_only = true, $p_user_id = null ) {
$t_columns = helper_call_custom_function( 'get_columns_to_view', array( $p_columns_target, $p_user_id ) );
# An associative array that is used to map older column names to newer ones. This is useful when a column is renamed in the database
# or if the value is replaced with a foreign key.
$t_columns_map = array(
'category' => 'category_id',
);
foreach( $t_columns as $t_key => $t_value ) {
if( isset( $t_columns_map[$t_value] ) ) {
$t_columns[$t_key] = $t_columns_map[$t_value];
}
}
if( !$p_viewable_only ) {
return $t_columns;
}
$t_keys_to_remove = array();
if( $p_columns_target == COLUMNS_TARGET_CSV_PAGE || $p_columns_target == COLUMNS_TARGET_EXCEL_PAGE ) {
$t_keys_to_remove[] = 'selection';
$t_keys_to_remove[] = 'edit';
$t_keys_to_remove[] = 'bugnotes_count';
$t_keys_to_remove[] = 'attachment_count';
$t_keys_to_remove[] = 'overdue';
}
$t_enable_sponsorship = config_get( 'enable_sponsorship' );
if( OFF == $t_enable_sponsorship ) {
$t_keys_to_remove[] = 'sponsorship_total';
}
if( $p_columns_target == COLUMNS_TARGET_CSV_PAGE || $p_columns_target == COLUMNS_TARGET_EXCEL_PAGE ) {
$t_keys_to_remove[] = 'attachment_count';
}
$t_keys_to_remove[] = 'duplicate_id';
$t_current_project_id = helper_get_current_project();
if( $t_current_project_id != ALL_PROJECTS && !access_has_project_level( config_get( 'view_handler_threshold' ), $t_current_project_id ) ) {
$t_keys_to_remove[] = 'handler_id';
}
if( $t_current_project_id != ALL_PROJECTS && !access_has_project_level( config_get( 'roadmap_view_threshold' ), $t_current_project_id ) ) {
$t_keys_to_remove[] = 'target_version';
}
foreach( $t_keys_to_remove as $t_key_to_remove ) {
$t_keys = array_keys( $t_columns, $t_key_to_remove );
foreach( $t_keys as $t_key ) {
unset( $t_columns[$t_key] );
}
}
# get the array values to remove gaps in the array which causes issue
# if the array is accessed using an index.
return array_values( $t_columns );
}
/**
* if all projects selected, default to <prefix><username><suffix><extension>, otherwise default to
* <prefix><projectname><suffix><extension>.
* @param string $p_extension_with_dot
* @param string $p_prefix
* @param string $p_suffix
* @return string
*/
function helper_get_default_export_filename( $p_extension_with_dot, $p_prefix = '', $p_suffix = '' ) {
$t_filename = $p_prefix;
$t_current_project_id = helper_get_current_project();
if( ALL_PROJECTS == $t_current_project_id ) {
$t_filename .= user_get_name( auth_get_current_user_id() );
} else {
$t_filename .= project_get_field( $t_current_project_id, 'name' );
}
return $t_filename . $p_suffix . $p_extension_with_dot;
}
/**
* returns a tab index value and increments it by one. This is used to give sequential tab index on a form.
* @return int
*/
function helper_get_tab_index_value() {
static $tab_index = 0;
return ++$tab_index;
}
/**
* returns a tab index and increments internal state by 1. This is used to give sequential tab index on
* a form. For example, this function returns: tabindex="1"
* @return string
*/
function helper_get_tab_index() {
return 'tabindex="' . helper_get_tab_index_value() . '"';
}
/**
* returns a boolean indicating whether SQL queries executed should be shown or not.
* @return bool
*/
function helper_show_queries() {
# Check is authenticated before checking access level, otherwise user gets
# redirected to login_page.php. See #8461.
return ON == config_get( 'show_queries_count' ) && auth_is_user_authenticated() && access_has_global_level( config_get( 'show_queries_threshold' ) );
}
/**
* Return a URL relative to the web root, compatible with other applications
* @param string $p_url
* @return string
*/
function helper_mantis_url( $p_url ) {
if( is_blank( $p_url ) ) {
return $p_url;
}
return config_get_global( 'short_path' ) . $p_url;
}
/**
* convert a duration string in "[h]h:mm" to an integer (minutes)
* @param string $p_hhmm
* @return int
*/
function helper_duration_to_minutes( $p_hhmm ) {
if( is_blank( $p_hhmm ) ) {
return 0;
}
$t_a = explode( ':', $p_hhmm );
$t_min = 0;
// time can be composed of max 3 parts (hh:mm:ss)
if( count( $t_a ) > 3 ) {
error_parameters( 'p_hhmm', $p_hhmm );
trigger_error( ERROR_CONFIG_OPT_INVALID, ERROR );
}
$t_count = count( $t_a );
for( $i = 0;$i < $t_count;$i++ ) {
// all time parts should be integers and non-negative.
if( !is_numeric( $t_a[$i] ) || ( (integer) $t_a[$i] < 0 ) ) {
error_parameters( 'p_hhmm', $p_hhmm );
trigger_error( ERROR_CONFIG_OPT_INVALID, ERROR );
}
// minutes and seconds are not allowed to exceed 59.
if(( $i > 0 ) && ( $t_a[$i] > 59 ) ) {
error_parameters( 'p_hhmm', $p_hhmm );
trigger_error( ERROR_CONFIG_OPT_INVALID, ERROR );
}
}
switch( $t_count ) {
case 1:
$t_min = (integer) $t_a[0];
break;
case 2:
$t_min = (integer) $t_a[0] * 60 + (integer) $t_a[1];
break;
case 3:
// if seconds included, approxiate it to minutes
$t_min = (integer) $t_a[0] * 60 + (integer) $t_a[1];
if( (integer) $t_a[2] >= 30 ) {
$t_min++;
}
break;
}
return (int) $t_min;
}
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