/
helper_api.php
662 lines (574 loc) · 20.4 KB
/
helper_api.php
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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/>.
/**
* Helper API
*
* @package CoreAPI
* @subpackage HelperAPI
* @copyright Copyright 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright 2002 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*
* @uses access_api.php
* @uses authentication_api.php
* @uses config_api.php
* @uses constant_inc.php
* @uses current_user_api.php
* @uses error_api.php
* @uses gpc_api.php
* @uses html_api.php
* @uses lang_api.php
* @uses print_api.php
* @uses project_api.php
* @uses user_api.php
* @uses user_pref_api.php
* @uses utility_api.php
*/
require_api( 'access_api.php' );
require_api( 'authentication_api.php' );
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'current_user_api.php' );
require_api( 'error_api.php' );
require_api( 'gpc_api.php' );
require_api( 'html_api.php' );
require_api( 'lang_api.php' );
require_api( 'print_api.php' );
require_api( 'project_api.php' );
require_api( 'user_api.php' );
require_api( 'user_pref_api.php' );
require_api( 'utility_api.php' );
/**
* alternate color function
* If no index is given, continue alternating based on the last index given
* @param integer $p_index Current index position.
* @param string $p_odd_color Color to use for odd rows.
* @param string $p_even_color Color to use for even rows.
* @return string
*/
function helper_alternate_colors( $p_index, $p_odd_color, $p_even_color ) {
static $s_index = 1;
if( null !== $p_index ) {
$s_index = $p_index;
}
if( 1 == $s_index++ % 2 ) {
return $p_odd_color;
} else {
return $p_even_color;
}
}
/**
* Transpose a bidimensional array
*
* e.g. array('a'=>array('k1'=>1,'k2'=>2),'b'=>array('k1'=>3,'k2'=>4))
* becomes array('k1'=>array('a'=>1,'b'=>3),'k2'=>array('a'=>2,'b'=>4))
*
* @param array $p_array The array to transpose.
* @return array|mixed transposed array or $p_array if not 2-dimensional array
*/
function helper_array_transpose( array $p_array ) {
if( !is_array( $p_array ) ) {
return $p_array;
}
$t_out = array();
foreach( $p_array as $t_key => $t_sub ) {
if( !is_array( $t_sub ) ) {
return $p_array;
}
foreach( $t_sub as $t_subkey => $t_value ) {
$t_out[$t_subkey][$t_key] = $t_value;
}
}
return $t_out;
}
/**
* get the color string for the given status, user and project
* @param integer $p_status Status value.
* @param integer|null $p_user User id, defaults to null (all users).
* @param integer|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;
}
/**
* get the status percentages
* @return array key is the status value, value is the percentage of bugs for the status
*/
function get_percentage_by_status() {
$t_project_id = helper_get_current_project();
$t_user_id = auth_get_current_user_id();
# checking if it's a per project statistic or all projects
$t_specific_where = helper_project_specific_where( $t_project_id, $t_user_id );
$t_query = 'SELECT status, COUNT(*) AS num
FROM {bug}
WHERE ' . $t_specific_where;
if( !access_has_project_level( config_get( 'private_bug_threshold' ) ) ) {
$t_query .= ' AND view_state < ' . VS_PRIVATE;
}
$t_query .= ' GROUP BY status';
$t_result = db_query( $t_query );
$t_status_count_array = array();
while( $t_row = db_fetch_array( $t_result ) ) {
$t_status_count_array[$t_row['status']] = $t_row['num'];
}
$t_bug_count = array_sum( $t_status_count_array );
foreach( $t_status_count_array as $t_status=>$t_value ) {
$t_status_count_array[$t_status] = round( ( $t_value / $t_bug_count ) * 100 );
}
return $t_status_count_array;
}
/**
* Given a enumeration string and number, return the appropriate string for the
* specified user/project
* @param string $p_enum_name An enumeration string name.
* @param integer $p_val An enumeration string value.
* @param integer|null $p_user A user identifier, defaults to null (all users).
* @param integer|null $p_project A project identifier, defaults to null (all projects).
* @return string
*/
function get_enum_element( $p_enum_name, $p_val, $p_user = null, $p_project = null ) {
$t_config_var = config_get( $p_enum_name . '_enum_string', null, $p_user, $p_project );
$t_string_var = lang_get( $p_enum_name . '_enum_string' );
return MantisEnum::getLocalizedLabel( $t_config_var, $t_string_var, $p_val );
}
/**
* Compares the 2 specified variables, returns true if equal, false if not.
* With strict type checking, will trigger an error if the types of the compared
* variables don't match.
* This helper function is used by {@link check_checked()} and {@link check_selected()}
* @param mixed $p_var1 The variable to compare.
* @param mixed $p_var2 The second variable to compare.
* @param boolean $p_strict Set to true for strict type checking, false for loose.
* @return boolean
*/
function helper_check_variables_equal( $p_var1, $p_var2, $p_strict ) {
if( $p_strict ) {
if( gettype( $p_var1 ) !== gettype( $p_var2 ) ) {
# Reaching this point is a a sign that you need to check the types
# of the parameters passed to this function. They should match.
trigger_error( ERROR_TYPE_MISMATCH, ERROR );
}
# We need to be careful when comparing an array of
# version number strings (["1.0", "1.1", "1.10"]) to
# a selected version number of "1.10". If a ==
# comparison were to be used, PHP would treat
# "1.1" and "1.10" as being the same as the strings
# would be converted to numerals before being compared
# as numerals.
#
# This is further complicated by filter dropdowns
# containing a mixture of string and integer values.
# The following "meta filter values" exist as integer
# values in dropdowns:
# META_FILTER_MYSELF = -1
# META_FILTER_NONE = -2
# META_FILTER_CURRENT = -3
# META_FILTER_ANY = 0
#
# For these reasons, a === comparison is required.
return $p_var1 === $p_var2;
} else {
return $p_var1 == $p_var2;
}
}
/**
* Attach a "checked" attribute to a HTML element if $p_var === $p_val or
* a {value within an array passed via $p_var} === $p_val.
*
* If the second parameter is not given, the first parameter is compared to
* the boolean value true.
*
* @param mixed $p_var The variable to compare.
* @param mixed $p_val The value to compare $p_var with.
* @param boolean $p_strict Set to false to bypass strict type checking (defaults to true).
* @return void
*/
function check_checked( $p_var, $p_val = true, $p_strict = true ) {
if( is_array( $p_var ) ) {
foreach( $p_var as $t_this_var ) {
if( helper_check_variables_equal( $t_this_var, $p_val, $p_strict ) ) {
echo ' checked="checked"';
return;
}
}
} else {
if( helper_check_variables_equal( $p_var, $p_val, $p_strict ) ) {
echo ' checked="checked"';
return;
}
}
}
/**
* Attach a "selected" attribute to a HTML element if $p_var === $p_val or
* a {value within an array passed via $p_var} === $p_val.
*
* If the second parameter is not given, the first parameter is compared to
* the boolean value true.
*
* @param mixed $p_var The variable to compare.
* @param mixed $p_val The value to compare $p_var with.
* @param boolean $p_strict Set to false to bypass strict type checking (defaults to true).
* @return void
*/
function check_selected( $p_var, $p_val = true, $p_strict = true ) {
if( is_array( $p_var ) ) {
foreach ( $p_var as $t_this_var ) {
if( helper_check_variables_equal( $t_this_var, $p_val, $p_strict ) ) {
echo ' selected="selected"';
return;
}
}
} else {
if( helper_check_variables_equal( $p_var, $p_val, $p_strict ) ) {
echo ' selected="selected"';
}
}
}
/**
* If $p_val is true then we PRINT DISABLED to prevent selection of the
* current option list item
*
* @param boolean $p_val Whether to disable the current option value.
* @return void
*/
function check_disabled( $p_val = true ) {
if( $p_val ) {
echo ' disabled="disabled" ';
}
}
/**
* 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 boolean $p_ignore_abort Whether to ignore user aborts from the web browser.
* @return integer
*/
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 integer
*/
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 );
$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 integer $p_project_id A valid project identifier.
* @return boolean 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 void
*/
function helper_clear_pref_cookies() {
gpc_clear_cookie( config_get( 'project_cookie' ) );
gpc_clear_cookie( config_get( 'manage_users_cookie' ) );
gpc_clear_cookie( config_get( 'manage_config_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 Confirmation message to display to the end user.
* @param string $p_button_label Button label to display to the end user.
* @return boolean
*/
function helper_ensure_confirmed( $p_message, $p_button_label ) {
if( true == gpc_get_bool( '_confirmed' ) ) {
return true;
}
html_page_top();
echo '<br />';
echo '<div class="center">';
echo '<hr />';
echo "\n" . $p_message . "\n";
echo '<form method="post" action="">' . "\n";
# CSRF protection not required here - user needs to confirm action
# before the form is accepted.
print_hidden_inputs( $_POST );
print_hidden_inputs( $_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";
echo '<hr /></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 Custom function name.
* @param array $p_args_array An array of arguments to pass to the custom function.
* @return mixed
*/
function helper_call_custom_function( $p_function, array $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 integer $p_project_id A valid project identifier.
* @param integer $p_user_id A valid user identifier.
* @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=' . reset( $t_project_ids );
} else {
$t_project_filter = ' project_id IN (' . join( ',', $t_project_ids ) . ')';
}
return $t_project_filter;
}
/**
* Get array of columns for given target
* @param integer $p_columns_target Target view for the columns.
* @param boolean $p_viewable_only Whether to return viewable columns only.
* @param integer $p_user_id A valid user identifier.
* @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, $p_user_id ) );
if( !$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';
}
if( $p_columns_target == COLUMNS_TARGET_CSV_PAGE || $p_columns_target == COLUMNS_TARGET_EXCEL_PAGE ) {
$t_keys_to_remove[] = 'attachment_count';
}
$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 File name Extension.
* @param string $p_prefix File name Prefix.
* @param string $p_suffix File name 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 integer
*/
function helper_get_tab_index_value() {
static $s_tab_index = 0;
return ++$s_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 boolean
*/
function helper_log_to_page() {
# Check is authenticated before checking access level, otherwise user gets
# redirected to login_page.php. See #8461.
return config_get_global( 'log_destination' ) === 'page' && auth_is_user_authenticated() && access_has_global_level( config_get( 'show_log_threshold' ) );
}
/**
* returns a boolean indicating whether SQL queries executed should be shown or not.
* @return boolean
*/
function helper_show_query_count() {
return ON == config_get( 'show_queries_count' );
}
/**
* Return a URL relative to the web root, compatible with other applications
* @param string $p_url A relative URL to a page within Mantis.
* @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 A string in [h]h:mm format to convert.
* @return integer
*/
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, approximate 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;
}