9e1724f192
PHP doesn't seem to autoconvert objects to strings when they're use as array indexes.
Fixes regression introduced in d9d776af19
166 lines
4.1 KiB
PHP
Executable file
166 lines
4.1 KiB
PHP
Executable file
<?php
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/**
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* Converts an array-represented URL to a string
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*
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* Source: http://php.net/manual/en/function.parse-url.php#106731
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*
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* @see http://php.net/manual/en/function.parse-url.php
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*
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* @param array $parsedUrl an array-represented URL
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*
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* @return string the string representation of the URL
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*/
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function unparse_url($parsedUrl)
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{
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$scheme = isset($parsedUrl['scheme']) ? $parsedUrl['scheme'].'://' : '';
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$host = isset($parsedUrl['host']) ? $parsedUrl['host'] : '';
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$port = isset($parsedUrl['port']) ? ':'.$parsedUrl['port'] : '';
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$user = isset($parsedUrl['user']) ? $parsedUrl['user'] : '';
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$pass = isset($parsedUrl['pass']) ? ':'.$parsedUrl['pass'] : '';
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$pass = ($user || $pass) ? "$pass@" : '';
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$path = isset($parsedUrl['path']) ? $parsedUrl['path'] : '';
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$query = isset($parsedUrl['query']) ? '?'.$parsedUrl['query'] : '';
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$fragment = isset($parsedUrl['fragment']) ? '#'.$parsedUrl['fragment'] : '';
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return "$scheme$user$pass$host$port$path$query$fragment";
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}
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/**
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* URL representation and cleanup utilities
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*
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* Form
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* scheme://[username:password@]host[:port][/path][?query][#fragment]
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*
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* Examples
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* http://username:password@hostname:9090/path?arg1=value1&arg2=value2#anchor
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* https://host.name.tld
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* https://h2.g2/faq/?vendor=hitchhiker&item=guide&dest=galaxy#answer
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*
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* @see http://www.faqs.org/rfcs/rfc3986.html
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*/
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class Url
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{
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private static $annoyingQueryParams = array(
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// Facebook
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'action_object_map=',
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'action_ref_map=',
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'action_type_map=',
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'fb_',
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'fb=',
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// Scoop.it
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'__scoop',
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// Google Analytics & FeedProxy
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'utm_',
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// ATInternet
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'xtor='
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);
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private static $annoyingFragments = array(
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// ATInternet
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'xtor=RSS-',
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// Misc.
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'tk.rss_all'
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);
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/*
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* URL parts represented as an array
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*
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* @see http://php.net/parse_url
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*/
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protected $parts;
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/**
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* Parses a string containing a URL
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*
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* @param string $url a string containing a URL
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*/
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public function __construct($url)
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{
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$this->parts = parse_url($url);
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if (!empty($url) && empty($this->parts['scheme'])) {
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$this->parts['scheme'] = 'http';
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}
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}
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/**
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* Returns a string representation of this URL
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*/
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public function __toString()
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{
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return unparse_url($this->parts);
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}
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/**
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* Removes undesired query parameters
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*/
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protected function cleanupQuery()
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{
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if (! isset($this->parts['query'])) {
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return;
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}
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$queryParams = explode('&', $this->parts['query']);
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foreach (self::$annoyingQueryParams as $annoying) {
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foreach ($queryParams as $param) {
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if (startsWith($param, $annoying)) {
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$queryParams = array_diff($queryParams, array($param));
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continue;
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}
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}
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}
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if (count($queryParams) == 0) {
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unset($this->parts['query']);
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return;
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}
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$this->parts['query'] = implode('&', $queryParams);
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}
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/**
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* Removes undesired fragments
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*/
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protected function cleanupFragment()
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{
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if (! isset($this->parts['fragment'])) {
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return;
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}
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foreach (self::$annoyingFragments as $annoying) {
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if (startsWith($this->parts['fragment'], $annoying)) {
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unset($this->parts['fragment']);
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break;
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}
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}
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}
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/**
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* Removes undesired query parameters and fragments
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*
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* @return string the string representation of this URL after cleanup
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*/
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public function cleanup()
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{
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$this->cleanupQuery();
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$this->cleanupFragment();
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return $this->__toString();
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}
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/**
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* Get URL scheme.
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*
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* @return string the URL scheme or false if none is provided.
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*/
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public function getScheme() {
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if (!isset($this->parts['scheme'])) {
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return false;
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}
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return $this->parts['scheme'];
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}
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}
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