w3l\Holt45\Misc

Complexity

Total Complexity

27

Size/Duplication

Total Lines	168
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes	8
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	iso3166ToName()	0	6	2
B	getClientIpAddress()	0	17	7
A	autoCorrectParseUrl()	0	16	4
B	urlParser()	0	55	9
B	generatePassword()	0	25	5

<?php
namespace w3l\Holt45;
trait Misc {
	
	/**
	 * Convert ISO 3166-1 alpha-2 code to (English) country name.
	 *
	 * @link https://gist.github.com/IngmarBoddington/5909709 Source
	 *
	 * @param string $key ISO 3166-1 alpha-2 code
	 * @return string Country name OR $key if no match.
	 */
	public static function iso3166ToName($key) {
	
		$countries = self::getCountriesList();

		return ((array_key_exists($key, $countries)) ? $countries[$key] : $key);
	}
	
	/**
	 * Get client ip-address
	 *
	 * @return string User ip-address
	 */
	public static function getClientIpAddress() {

		if (getenv('HTTP_CLIENT_IP'))
			return getenv('HTTP_CLIENT_IP');
		else if(getenv('HTTP_X_FORWARDED_FOR'))
			return getenv('HTTP_X_FORWARDED_FOR');
		else if(getenv('HTTP_X_FORWARDED'))
			return getenv('HTTP_X_FORWARDED');
		else if(getenv('HTTP_FORWARDED_FOR'))
			return getenv('HTTP_FORWARDED_FOR');
		else if(getenv('HTTP_FORWARDED'))
			return getenv('HTTP_FORWARDED');
		else if(getenv('REMOTE_ADDR'))
			return getenv('REMOTE_ADDR');

			return '127.0.0.1'; // Unknown IP
	}

	/**
	 * Tries to auto-correct parse_url()-output.
	 *
	 * @param string $url
	 * @return string[]|false
	 */

Should the return type not be array<string,string>|false?

	
	private static function autoCorrectParseUrl($url) {
		// multiple /// messes up parse_url, replace 3 or more with 2
		$url = preg_replace('/(\/{2,})/','//',$url);
		
		$parseUrl = parse_url($url);
		
		if(empty($parseUrl["scheme"])) {
			$parseUrl["scheme"] = "http";
		}
		if(empty($parseUrl["host"]) && !empty($parseUrl["path"])) {
			// Strip slash from the beginning of path
			$parseUrl["host"] = ltrim($parseUrl["path"], '\/');
			$parseUrl["path"] = "";
		}
		return $parseUrl;
	}

	/**
	 * parse url, try to correct errors and return valid url + display-url.
	 *
	 * @example http:/wwww.example.com/lorum.html => http://www.example.com/lorum.html
	 * @example gopher:/ww.example.com => gopher://www.example.com
	 * @example http:/www3.example.com/?q=asd&f=#asd =>http://www3.example.com/?q=asd&f=#asd
	 * @example asd://.example.com/folder/folder/ =>http://example.com/folder/folder/
	 * @example .example.com/ => http://example.com/
	 * @example example.com =>http://example.com
	 * @example subdomain.example.com => http://subdomain.example.com
	 *
	 * @param string $url Any somewhat valid url.
	 * @return string[] "url" contains an auto-corrected url. "url_display" host.tld or subdomain.host.tld

Should the return type not be array<string,string>?

	 */
	public static function urlParser($url) {
		
		$parseUrl = self::autoCorrectParseUrl($url);
		
		// malformed URL, parse_url() returns false. Returns urls "as is".
		if($parseUrl === false) {
			return array("url" => $url, "url_display" => $url);
		}
		
		$urlArray = array("url" => "", "url_display" => "");
		
		// Check if scheme is correct
		if(!in_array($parseUrl["scheme"], array("http", "https", "gopher"))) {
			$urlArray["url"] .= 'http'.'://';
		} else {
			$urlArray["url"] .= $parseUrl["scheme"].'://';
		}
		
		// Check if the right amount of "www" is set.
		$explodeHost = explode(".", $parseUrl["host"]);
		
		// Remove empty entries
		$explodeHost = array_filter($explodeHost);
		// And reassign indexes
		$explodeHost = array_values($explodeHost);
		
		// Contains subdomain
		if(count($explodeHost) > 2) {
			// Check if subdomain only contains the letter w(then not any other subdomain).
			if(substr_count($explodeHost[0], 'w') == strlen($explodeHost[0])) {
				// Replace with "www" to avoid "ww" or "wwww", etc.
				$explodeHost[0] = "www";
				
			}
		}

		$urlArray["url"] .= implode(".",$explodeHost);
		$urlArray["url_display"] = trim(implode(".",$explodeHost), '\/'); // Removes trailing slash
		
		if(!empty($parseUrl["port"])) {
			$urlArray["url"] .= ":".$parseUrl["port"];
		}
		if(!empty($parseUrl["path"])) {
			$urlArray["url"] .= $parseUrl["path"];
		}
		if(!empty($parseUrl["query"])) {
			$urlArray["url"] .= '?'.$parseUrl["query"];
		}
		if(!empty($parseUrl["fragment"])) {
			$urlArray["url"] .= '#'.$parseUrl["fragment"];
		}

		
		return $urlArray;
	}
	
	/**
	 * Generate a password-suggestion.
	 *
	 * @param int $length Length of password
	 * @param string $passwordType "simple" limit character-set to first 33 characters. "long" uses 64 characters.
	 * @return string
	 */
	public static function generatePassword($length = 8, $passwordType = "long") {
		$characterSet = "23456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPRSTUVWXYZ!#%+:=?@";
		$characterSetLenght = (($passwordType == "simple") ? 33 : 64);
		
		$counter = 0;
		$suggestedPassword = "";
		
		while($counter < 10) {
		
			$suggestedPassword = "";
			
			for($i = 0; $i < $length; $i++) {
				$suggestedPassword .= $characterSet[rand(0,($characterSetLenght-1))];
			}

			if(strlen(count_chars($suggestedPassword, 3)) > ($length-2)) {
				break;
			}
			
			$counter++;
		}
		
		return $suggestedPassword;
		
	}
	
}