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snipe-it/app/Helpers/Helper.php

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<?php
namespace App\Helpers;
use App\Models\Accessory;
use App\Models\Component;
use App\Models\Consumable;
use App\Models\CustomField;
use App\Models\CustomFieldset;
use App\Models\Depreciation;
use App\Models\Setting;
use App\Models\Statuslabel;
use Crypt;
use Image;
use Illuminate\Contracts\Encryption\DecryptException;
class Helper
{
/**
* Simple helper to invoke the markdown parser
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.0]
* @return String
*/
public static function parseEscapedMarkedown($str)
{
$Parsedown = new \Parsedown();
if ($str) {
return $Parsedown->text(e($str));
}
}
/**
* The importer has formatted number strings since v3,
* so the value might be a string, or an integer.
* If it's a number, format it as a string.
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.0]
* @return String
*/
public static function formatCurrencyOutput($cost)
{
if (is_numeric($cost)) {
return number_format($cost, 2, '.', '');
}
// It's already been parsed.
return $cost;
}
/**
* Static colors for pie charts.
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.3]
* @return Array
*/
public static function defaultChartColors($index = 0)
{
$colors = [
"#008941",
"#FF4A46",
"#006FA6",
"#A30059",
"#1CE6FF",
"#FFDBE5",
"#7A4900",
"#0000A6",
"#63FFAC",
"#B79762",
"#004D43",
"#8FB0FF",
"#997D87",
"#5A0007",
"#809693",
"#FEFFE6",
"#1B4400",
"#4FC601",
"#3B5DFF",
"#4A3B53",
"#FF2F80",
"#61615A",
"#BA0900",
"#6B7900",
"#00C2A0",
"#FFAA92",
"#FF90C9",
"#B903AA",
"#D16100",
"#DDEFFF",
"#000035",
"#7B4F4B",
"#A1C299",
"#300018",
"#0AA6D8",
"#013349",
"#00846F",
"#372101",
"#FFB500",
"#C2FFED",
"#A079BF",
"#CC0744",
"#C0B9B2",
"#C2FF99",
"#001E09",
"#00489C",
"#6F0062",
"#0CBD66",
"#EEC3FF",
"#456D75",
"#B77B68",
"#7A87A1",
"#788D66",
"#885578",
"#FAD09F",
"#FF8A9A",
"#D157A0",
"#BEC459",
"#456648",
"#0086ED",
"#886F4C",
"#34362D",
"#B4A8BD",
"#00A6AA",
"#452C2C",
"#636375",
"#A3C8C9",
"#FF913F",
"#938A81",
"#575329",
"#00FECF",
"#B05B6F",
"#8CD0FF",
"#3B9700",
"#04F757",
"#C8A1A1",
"#1E6E00",
"#7900D7",
"#A77500",
"#6367A9",
"#A05837",
"#6B002C",
"#772600",
"#D790FF",
"#9B9700",
"#549E79",
"#FFF69F",
"#201625",
"#72418F",
"#BC23FF",
"#99ADC0",
"#3A2465",
"#922329",
"#5B4534",
"#FDE8DC",
"#404E55",
"#0089A3",
"#CB7E98",
"#A4E804",
"#324E72",
"#6A3A4C",
"#83AB58",
"#001C1E",
"#D1F7CE",
"#004B28",
"#C8D0F6",
"#A3A489",
"#806C66",
"#222800",
"#BF5650",
"#E83000",
"#66796D",
"#DA007C",
"#FF1A59",
"#8ADBB4",
"#1E0200",
"#5B4E51",
"#C895C5",
"#320033",
"#FF6832",
"#66E1D3",
"#CFCDAC",
"#D0AC94",
"#7ED379",
"#012C58",
"#7A7BFF",
"#D68E01",
"#353339",
"#78AFA1",
"#FEB2C6",
"#75797C",
"#837393",
"#943A4D",
"#B5F4FF",
"#D2DCD5",
"#9556BD",
"#6A714A",
"#001325",
"#02525F",
"#0AA3F7",
"#E98176",
"#DBD5DD",
"#5EBCD1",
"#3D4F44",
"#7E6405",
"#02684E",
"#962B75",
"#8D8546",
"#9695C5",
"#E773CE",
"#D86A78",
"#3E89BE",
"#CA834E",
"#518A87",
"#5B113C",
"#55813B",
"#E704C4",
"#00005F",
"#A97399",
"#4B8160",
"#59738A",
"#FF5DA7",
"#F7C9BF",
"#643127",
"#513A01",
"#6B94AA",
"#51A058",
"#A45B02",
"#1D1702",
"#E20027",
"#E7AB63",
"#4C6001",
"#9C6966",
"#64547B",
"#97979E",
"#006A66",
"#391406",
"#F4D749",
"#0045D2",
"#006C31",
"#DDB6D0",
"#7C6571",
"#9FB2A4",
"#00D891",
"#15A08A",
"#BC65E9",
"#FFFFFE",
"#C6DC99",
"#203B3C",
"#671190",
"#6B3A64",
"#F5E1FF",
"#FFA0F2",
"#CCAA35",
"#374527",
"#8BB400",
"#797868",
"#C6005A",
"#3B000A",
"#C86240",
"#29607C",
"#402334",
"#7D5A44",
"#CCB87C",
"#B88183",
"#AA5199",
"#B5D6C3",
"#A38469",
"#9F94F0",
"#A74571",
"#B894A6",
"#71BB8C",
"#00B433",
"#789EC9",
"#6D80BA",
"#953F00",
"#5EFF03",
"#E4FFFC",
"#1BE177",
"#BCB1E5",
"#76912F",
"#003109",
"#0060CD",
"#D20096",
"#895563",
"#29201D",
"#5B3213",
"#A76F42",
"#89412E",
"#1A3A2A",
"#494B5A",
"#A88C85",
"#F4ABAA",
"#A3F3AB",
"#00C6C8",
"#EA8B66",
"#958A9F",
"#BDC9D2",
"#9FA064",
"#BE4700",
"#658188",
"#83A485",
"#453C23",
"#47675D",
"#3A3F00",
"#061203",
"#DFFB71",
"#868E7E",
"#98D058",
"#6C8F7D",
"#D7BFC2",
"#3C3E6E",
"#D83D66",
"#2F5D9B",
"#6C5E46",
"#D25B88",
"#5B656C",
"#00B57F",
"#545C46",
"#866097",
"#365D25",
"#252F99",
"#00CCFF",
"#674E60",
"#FC009C",
"#92896B",
];
return $colors[$index];
}
/**
* Increases or decreases the brightness of a color by a percentage of the current brightness.
*
* @param string $hexCode Supported formats: `#FFF`, `#FFFFFF`, `FFF`, `FFFFFF`
* @param float $adjustPercent A number between -1 and 1. E.g. 0.3 = 30% lighter; -0.4 = 40% darker.
*
* @return string
*/
public static function adjustBrightness($hexCode, $adjustPercent) {
$hexCode = ltrim($hexCode, '#');
if (strlen($hexCode) == 3) {
$hexCode = $hexCode[0] . $hexCode[0] . $hexCode[1] . $hexCode[1] . $hexCode[2] . $hexCode[2];
}
$hexCode = array_map('hexdec', str_split($hexCode, 2));
foreach ($hexCode as & $color) {
$adjustableLimit = $adjustPercent < 0 ? $color : 255 - $color;
$adjustAmount = ceil($adjustableLimit * $adjustPercent);
$color = str_pad(dechex($color + $adjustAmount), 2, '0', STR_PAD_LEFT);
}
return '#' . implode($hexCode);
}
/**
* Static background (highlight) colors for pie charts
* This is inelegant, and could be refactored later.
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.2]
* @return Array
*/
public static function chartBackgroundColors()
{
$colors = [
'#f56954',
'#00a65a',
'#f39c12',
'#00c0ef',
'#3c8dbc',
'#d2d6de',
'#3c8dbc',
'#3c8dbc',
'#3c8dbc',
];
return $colors;
}
/**
* Format currency using comma for thousands until local info is property used.
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.7]
* @return String
*/
public static function ParseFloat($floatString)
{
$LocaleInfo = localeconv();
$floatString = str_replace(",", "", $floatString);
$floatString = str_replace($LocaleInfo["decimal_point"], ".", $floatString);
// Strip Currency symbol
// If no currency symbol is set, default to $ because Murica
$currencySymbol = $LocaleInfo['currency_symbol'];
if (empty($currencySymbol)) {
$currencySymbol = '$';
}
$floatString = str_replace($currencySymbol, '', $floatString);
return floatval($floatString);
}
/**
* Get the list of status labels in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.5]
* @return Array
*/
public static function statusLabelList()
{
$statuslabel_list = array('' => trans('general.select_statuslabel')) + Statuslabel::orderBy('default_label', 'desc')->orderBy('name','asc')->orderBy('deployable','desc')
->pluck('name', 'id')->toArray();
return $statuslabel_list;
}
/**
* Get the list of status label types in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.5]
* @return Array
*/
public static function statusTypeList()
{
$statuslabel_types =
array('' => trans('admin/hardware/form.select_statustype'))
+ array('deployable' => trans('admin/hardware/general.deployable'))
+ array('pending' => trans('admin/hardware/general.pending'))
+ array('undeployable' => trans('admin/hardware/general.undeployable'))
+ array('archived' => trans('admin/hardware/general.archived'));
return $statuslabel_types;
}
/**
* Get the list of depreciations in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.5]
* @return Array
*/
public static function depreciationList()
{
$depreciation_list = ['' => 'Do Not Depreciate'] + Depreciation::orderBy('name', 'asc')
->pluck('name', 'id')->toArray();
return $depreciation_list;
}
/**
* Get the list of category types in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.5]
* @return Array
*/
public static function categoryTypeList()
{
$category_types = array(
'' => '',
'accessory' => 'Accessory',
'asset' => 'Asset',
'consumable' => 'Consumable',
'component' => 'Component',
'license' => 'License'
);
return $category_types;
}
/**
* Get the list of custom fields in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v2.5]
* @return Array
*/
public static function customFieldsetList()
{
$customfields = array('' => trans('admin/models/general.no_custom_field')) + CustomFieldset::pluck('name', 'id')->toArray();
return $customfields;
}
/**
* Get the list of custom field formats in an array to make a dropdown menu
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.4]
* @return Array
*/
public static function predefined_formats()
{
$keys = array_keys(CustomField::PREDEFINED_FORMATS);
$stuff = array_combine($keys, $keys);
return $stuff;
}
/**
* Get the list of barcode dimensions
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.3]
* @return Array
*/
public static function barcodeDimensions($barcode_type = 'QRCODE')
{
if ($barcode_type == 'C128') {
$size['height'] = '-1';
$size['width'] = '-10';
} elseif ($barcode_type == 'PDF417') {
$size['height'] = '-3';
$size['width'] = '-10';
} else {
$size['height'] = '-3';
$size['width'] = '-3';
}
return $size;
}
/**
* Generates a random string
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.0]
* @return Array
*/
public static function generateRandomString($length = 10)
{
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
/**
* This nasty little method gets the low inventory info for the
* alert dropdown
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.0]
* @return Array
*/
public static function checkLowInventory()
{
$consumables = Consumable::withCount('consumableAssignments as consumable_assignments_count')->whereNotNull('min_amt')->get();
$accessories = Accessory::withCount('users as users_count')->whereNotNull('min_amt')->get();
$components = Component::withCount('assets as assets_count')->whereNotNull('min_amt')->get();
$avail_consumables = 0;
$items_array = array();
$all_count = 0;
foreach ($consumables as $consumable) {
$avail = $consumable->numRemaining();
if ($avail < ($consumable->min_amt) + \App\Models\Setting::getSettings()->alert_threshold) {
if ($consumable->qty > 0) {
$percent = number_format((($avail / $consumable->qty) * 100), 0);
} else {
$percent = 100;
}
$items_array[$all_count]['id'] = $consumable->id;
$items_array[$all_count]['name'] = $consumable->name;
$items_array[$all_count]['type'] = 'consumables';
$items_array[$all_count]['percent'] = $percent;
$items_array[$all_count]['remaining'] = $avail;
$items_array[$all_count]['min_amt']=$consumable->min_amt;
$all_count++;
}
}
foreach ($accessories as $accessory) {
$avail = $accessory->qty - $accessory->users_count;
if ($avail < ($accessory->min_amt) + \App\Models\Setting::getSettings()->alert_threshold) {
if ($accessory->qty > 0) {
$percent = number_format((($avail / $accessory->qty) * 100), 0);
} else {
$percent = 100;
}
$items_array[$all_count]['id'] = $accessory->id;
$items_array[$all_count]['name'] = $accessory->name;
$items_array[$all_count]['type'] = 'accessories';
$items_array[$all_count]['percent'] = $percent;
$items_array[$all_count]['remaining'] = $avail;
$items_array[$all_count]['min_amt']=$accessory->min_amt;
$all_count++;
}
}
foreach ($components as $component) {
$avail = $component->qty - $component->assets_count;
if ($avail < ($component->min_amt) + \App\Models\Setting::getSettings()->alert_threshold) {
if ($component->qty > 0) {
$percent = number_format((($avail / $component->qty) * 100), 0);
} else {
$percent = 100;
}
$items_array[$all_count]['id'] = $component->id;
$items_array[$all_count]['name'] = $component->name;
$items_array[$all_count]['type'] = 'components';
$items_array[$all_count]['percent'] = $percent;
$items_array[$all_count]['remaining'] = $avail;
$items_array[$all_count]['min_amt']=$component->min_amt;
$all_count++;
}
}
return $items_array;
}
/**
* Check if the file is an image, so we can show a preview
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.0]
* @param File $file
* @return String | Boolean
*/
public static function checkUploadIsImage($file)
{
$finfo = @finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
$filetype = @finfo_file($finfo, $file);
finfo_close($finfo);
if (($filetype=="image/jpeg") || ($filetype=="image/jpg") || ($filetype=="image/png") || ($filetype=="image/bmp") || ($filetype=="image/gif")) {
return $filetype;
}
return false;
}
/**
* Walks through the permissions in the permissions config file and determines if
* permissions are granted based on a $selected_arr array.
*
* The $permissions array is a multidimensional array broke down by section.
* (Licenses, Assets, etc)
*
* The $selected_arr should be a flattened array that contains just the
* corresponding permission name and a true or false boolean to determine
* if that group/user has been granted that permission.
*
* @author [A. Gianotto] [<snipe@snipe.net]
* @param array $permissions
* @param array $selected_arr
* @since [v1.0]
* @return Array
*/
public static function selectedPermissionsArray($permissions, $selected_arr = array())
{
$permissions_arr = array();
foreach ($permissions as $permission) {
for ($x = 0; $x < count($permission); $x++) {
$permission_name = $permission[$x]['permission'];
if ($permission[$x]['display'] === true) {
if ($selected_arr) {
if (array_key_exists($permission_name, $selected_arr)) {
$permissions_arr[$permission_name] = $selected_arr[$permission_name];
} else {
$permissions_arr[$permission_name] = '0';
}
} else {
$permissions_arr[$permission_name] = '0';
}
}
}
}
return $permissions_arr;
}
/**
* Introspects into the model validation to see if the field passed is required.
* This is used by the blades to add a required class onto the HTML element.
* This isn't critical, but is helpful to keep form fields in sync with the actual
* model level validation.
*
* This does not currently handle form request validation requiredness :(
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.0]
* @return boolean
*/
public static function checkIfRequired($class, $field)
{
$rules = $class::rules();
foreach ($rules as $rule_name => $rule) {
if ($rule_name == $field) {
if (strpos($rule, 'required') === false) {
return false;
} else {
return true;
}
}
}
}
/**
* Check to see if the given key exists in the array, and trim excess white space before returning it
*
* @author Daniel Melzter
* @since 3.0
* @param $array array
* @param $key string
* @param $default string
* @return string
*/
public static function array_smart_fetch(array $array, $key, $default = '')
{
array_change_key_case($array, CASE_LOWER);
return array_key_exists(strtolower($key), array_change_key_case($array)) ? e(trim($array[ $key ])) : $default;
}
/**
* Gracefully handle decrypting the legacy data (encrypted via mcrypt) and use the new
* decryption method instead.
*
* This is not currently used, but will be.
*
* @author A. Gianotto
* @since 3.6
* @param CustomField $field
* @param String $string
* @return string
*/
public static function gracefulDecrypt(CustomField $field, $string)
{
if ($field->isFieldDecryptable($string)) {
try {
Crypt::decrypt($string);
return Crypt::decrypt($string);
} catch (DecryptException $e) {
return 'Error Decrypting: '.$e->getMessage();
}
}
return $string;
}
public static function formatStandardApiResponse($status, $payload = null, $messages = null) {
$array['status'] = $status;
$array['messages'] = $messages;
if (($messages) && (is_array($messages)) && (count($messages) > 0)) {
$array['messages'] = $messages;
}
($payload) ? $array['payload'] = $payload : $array['payload'] = null;
return $array;
}
/*
Possible solution for unicode fieldnames
*/
public static function make_slug($string) {
return preg_replace('/\s+/u', '_', trim($string));
}
public static function getFormattedDateObject($date, $type = 'datetime', $array = true) {
if ($date=='') {
return null;
}
$settings = Setting::getSettings();
$tmp_date = new \Carbon($date);
if ($type == 'datetime') {
$dt['datetime'] = $tmp_date->format('Y-m-d H:i:s');
$dt['formatted'] = $tmp_date->format($settings->date_display_format .' '. $settings->time_display_format);
} else {
$dt['date'] = $tmp_date->format('Y-m-d');
$dt['formatted'] = $tmp_date->format($settings->date_display_format);
}
if ($array == 'true') {
return $dt;
}
return $dt['formatted'];
}
// Nicked from Drupal :)
// Returns a file size limit in bytes based on the PHP upload_max_filesize
// and post_max_size
public static function file_upload_max_size() {
static $max_size = -1;
if ($max_size < 0) {
// Start with post_max_size.
$post_max_size = Helper::parse_size(ini_get('post_max_size'));
if ($post_max_size > 0) {
$max_size = $post_max_size;
}
// If upload_max_size is less, then reduce. Except if upload_max_size is
// zero, which indicates no limit.
$upload_max = Helper::parse_size(ini_get('upload_max_filesize'));
if ($upload_max > 0 && $upload_max < $max_size) {
$max_size = $upload_max;
}
}
return $max_size;
}
public static function file_upload_max_size_readable() {
static $max_size = -1;
if ($max_size < 0) {
// Start with post_max_size.
$post_max_size = Helper::parse_size(ini_get('post_max_size'));
if ($post_max_size > 0) {
$max_size = ini_get('post_max_size');
}
// If upload_max_size is less, then reduce. Except if upload_max_size is
// zero, which indicates no limit.
$upload_max = Helper::parse_size(ini_get('upload_max_filesize'));
if ($upload_max > 0 && $upload_max < $max_size) {
$max_size = ini_get('upload_max_filesize');
}
}
return $max_size;
}
public static function parse_size($size) {
$unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
$size = preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
if ($unit) {
// Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
return round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
}
else {
return round($size);
}
}
public static function filetype_icon($filename) {
$extension = substr(strrchr($filename,'.'),1);
$allowedExtensionMap = [
// Images
'jpg' => 'fa fa-file-image-o',
'jpeg' => 'fa fa-file-image-o',
'gif' => 'fa fa-file-image-o',
'png' => 'fa fa-file-image-o',
// word
'doc' => 'fa fa-file-word-o',
'docx' => 'fa fa-file-word-o',
// Excel
'xls' => 'fa fa-file-excel-o',
'xlsx' => 'fa fa-file-excel-o',
// archive
'zip' => 'fa fa-file-archive-o',
'rar' => 'fa fa-file-archive-o',
//Text
'txt' => 'fa fa-file-text-o',
'rtf' => 'fa fa-file-text-o',
'xml' => 'fa fa-file-text-o',
// Misc
'pdf' => 'fa fa-file-pdf-o',
'lic' => 'fa fa-file-floppy-o',
];
if ($extension && array_key_exists($extension, $allowedExtensionMap)) {
return $allowedExtensionMap[$extension];
}
return "fa fa-file-o";
}
public static function show_file_inline($filename) {
$extension = substr(strrchr($filename,'.'),1);
if ($extension) {
switch ($extension) {
case 'jpg':
case 'jpeg':
case 'gif':
case 'png':
return true;
break;
default:
return false;
}
}
return false;
}
/**
* Generate a random encrypted password.
*
* @author Wes Hulette <jwhulette@gmail.com>
*
* @since 5.0.0
*
* @return string
*/
public static function generateEncyrptedPassword(): string
{
return bcrypt(Helper::generateUnencryptedPassword());
}
/**
* Get a random unencrypted password.
*
* @author Steffen Buehl <sb@sbuehl.com>
*
* @since 5.0.0
*
* @return string
*/
public static function generateUnencryptedPassword(): string
{
$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$password = '';
for ( $i = 0; $i < 20; $i++ ) {
$password .= substr( $chars, random_int( 0, strlen( $chars ) - 1 ), 1 );
}
return $password;
}
/**
* Process base64 encoded image data and save it on supplied path
*
* @param string $image_data base64 encoded image data with mime type
* @param string $save_path path to a folder where the image should be saved
* @return string path to uploaded image or false if something went wrong
*/
public static function processUploadedImage(String $image_data, String $save_path) {
if ($image_data != null && $save_path != null) {
// After modification, the image is prefixed by mime info like the following:
// data:image/jpeg;base64,; This causes the image library to be unhappy, so we need to remove it.
$header = explode(';', $image_data, 2)[0];
// Grab the image type from the header while we're at it.
$extension = substr($header, strpos($header, '/')+1);
// Start reading the image after the first comma, postceding the base64.
$image = substr($image_data, strpos($image_data, ',')+1);
$file_name = str_random(25).".".$extension;
$directory= public_path($save_path);
// Check if the uploads directory exists. If not, try to create it.
if (!file_exists($directory)) {
mkdir($directory, 0755, true);
}
$path = public_path($save_path.$file_name);
try {
Image::make($image)->resize(500, 500, function ($constraint) {
$constraint->aspectRatio();
$constraint->upsize();
})->save($path);
} catch (\Exception $e) {
return false;
}
return $file_name;
}
return false;
}
}
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