Merge pull request #2486 from rabuzarus/2704_xml
move xml related function to the xml class + some doxygen docu
This commit is contained in:
Michael Vogel
commit
87af398ee0
2 changed files with 360 additions and 308 deletions
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@ -1,12 +1,29 @@
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<?php
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/**
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* @file include/network.php
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*/
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// curl wrapper. If binary flag is true, return binary
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// results.
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require_once("include/xml.php");
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// Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
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// to preserve cookies from one request to the next.
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if(! function_exists('fetch_url')) {
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/**
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* @brief Curl wrapper
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*
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* If binary flag is true, return binary results.
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* Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
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* to preserve cookies from one request to the next.
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*
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* @param string $url URL to fetch
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* @param boolean $binary default false
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* TRUE if asked to return binary results (file download)
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* @param integer $redirects The recursion counter for internal use - default 0
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* @param integer $timeout Timeout in seconds, default system config value or 60 seconds
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* @param string $accept_content supply Accept: header with 'accept_content' as the value
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* @param string $cookiejar Path to cookie jar file
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*
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* @return string The fetched content
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*/
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function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null, $cookiejar = 0) {
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$ret = z_fetch_url(
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@ -19,32 +36,29 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
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));
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return($ret['body']);
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}}
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}
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if(!function_exists('z_fetch_url')){
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/**
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* @brief fetches an URL.
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*
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* @param string $url
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* URL to fetch
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* @param string $url URL to fetch
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* @param boolean $binary default false
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* TRUE if asked to return binary results (file download)
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* @param int $redirects default 0
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* internal use, recursion counter
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* @param int $redirects The recursion counter for internal use - default 0
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* @param array $opts (optional parameters) assoziative array with:
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* * \b accept_content => supply Accept: header with 'accept_content' as the value
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* * \b timeout => int seconds, default system config value or 60 seconds
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* * \b http_auth => username:password
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* * \b novalidate => do not validate SSL certs, default is to validate using our CA list
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* * \b nobody => only return the header
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* * \b cookiejar => path to cookie jar file
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* 'accept_content' => supply Accept: header with 'accept_content' as the value
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* 'timeout' => int Timeout in seconds, default system config value or 60 seconds
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* 'http_auth' => username:password
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* 'novalidate' => do not validate SSL certs, default is to validate using our CA list
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* 'nobody' => only return the header
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* 'cookiejar' => path to cookie jar file
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*
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* @return array an assoziative array with:
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* * \e int \b return_code => HTTP return code or 0 if timeout or failure
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* * \e boolean \b success => boolean true (if HTTP 2xx result) or false
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* * \e string \b redirect_url => in case of redirect, content was finally retrieved from this URL
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* * \e string \b header => HTTP headers
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* * \e string \b body => fetched content
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* int 'return_code' => HTTP return code or 0 if timeout or failure
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* boolean 'success' => boolean true (if HTTP 2xx result) or false
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* string 'redirect_url' => in case of redirect, content was finally retrieved from this URL
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* string 'header' => HTTP headers
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* string 'body' => fetched content
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*/
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function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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@ -66,7 +80,7 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
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}
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// These settings aren't needed. We're following the location already.
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// These settings aren't needed. We're following the location already.
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// @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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// @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
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@ -93,6 +107,7 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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$curl_time = intval(get_config('system','curl_timeout'));
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@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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}
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// by default we will allow self-signed certs
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// but you can override this
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@ -192,11 +207,21 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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return($ret);
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}}
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}
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// post request to $url. $params is an array of post variables.
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if(! function_exists('post_url')) {
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/**
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* @brief Post request to $url
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*
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* @param string $url URL to post
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* @param mixed $params
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* @param string $headers HTTP headers
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* @param integer $redirects Recursion counter for internal use - default = 0
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* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
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*
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* @return string The content
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*/
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function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0) {
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$stamp1 = microtime(true);
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@ -294,13 +319,12 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
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logger("post_url: end ".$url, LOGGER_DATA);
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return($body);
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}}
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}
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// Generic XML return
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// Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
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// of $st and an optional text <message> of $message and terminates the current process.
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if(! function_exists('xml_status')) {
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function xml_status($st, $message = '') {
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$xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
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@ -312,12 +336,20 @@ function xml_status($st, $message = '') {
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echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
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echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
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killme();
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}}
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}
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if(! function_exists('http_status_exit')) {
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/**
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* @brief Send HTTP status header and exit.
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*
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* @param integer $val HTTP status result value
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* @param array $description optional message
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* 'title' => header title
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* 'description' => optional message
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*/
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function http_status_exit($val, $description = array()) {
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$err = '';
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$err = '';
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if($val >= 400) {
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$err = 'Error';
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if (!isset($description["title"]))
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@ -337,59 +369,13 @@ function http_status_exit($val, $description = array()) {
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killme();
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}}
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// convert an XML document to a normalised, case-corrected array
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// used by webfinger
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if(! function_exists('convert_xml_element_to_array')) {
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function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
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// If we're getting too deep, bail out
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if ($recursion_depth > 512) {
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return(null);
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}
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if (!is_string($xml_element) &&
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!is_array($xml_element) &&
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(get_class($xml_element) == 'SimpleXMLElement')) {
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$xml_element_copy = $xml_element;
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$xml_element = get_object_vars($xml_element);
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}
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if (is_array($xml_element)) {
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$result_array = array();
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if (count($xml_element) <= 0) {
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return (trim(strval($xml_element_copy)));
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}
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foreach($xml_element as $key=>$value) {
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$recursion_depth++;
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$result_array[strtolower($key)] =
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convert_xml_element_to_array($value, $recursion_depth);
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$recursion_depth--;
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}
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if ($recursion_depth == 0) {
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$temp_array = $result_array;
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$result_array = array(
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strtolower($xml_element_copy->getName()) => $temp_array,
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);
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}
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return ($result_array);
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} else {
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return (trim(strval($xml_element)));
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}
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}}
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}
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// Given an email style address, perform webfinger lookup and
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// return the resulting DFRN profile URL, or if no DFRN profile URL
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// is located, returns an OStatus subscription template (prefixed
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// with the string 'stat:' to identify it as on OStatus template).
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// If this isn't an email style address just return $s.
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// If this isn't an email style address just return $webbie.
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// Return an empty string if email-style addresses but webfinger fails,
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// or if the resultant personal XRD doesn't contain a supported
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// subscription/friend-request attribute.
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@ -397,15 +383,14 @@ function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
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// amended 7/9/2011 to return an hcard which could save potentially loading
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// a lengthy content page to scrape dfrn attributes
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if(! function_exists('webfinger_dfrn')) {
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function webfinger_dfrn($s,&$hcard) {
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if(! strstr($s,'@')) {
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return $s;
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function webfinger_dfrn($webbie,&$hcard) {
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if(! strstr($webbie,'@')) {
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return $webbie;
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}
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$profile_link = '';
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$links = webfinger($s);
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logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
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$links = webfinger($webbie);
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logger('webfinger_dfrn: ' . $webbie . ':' . print_r($links,true), LOGGER_DATA);
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if(count($links)) {
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foreach($links as $link) {
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if($link['@attributes']['rel'] === NAMESPACE_DFRN)
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@ -417,29 +402,32 @@ function webfinger_dfrn($s,&$hcard) {
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}
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}
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return $profile_link;
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}}
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}
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// Given an email style address, perform webfinger lookup and
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// return the array of link attributes from the personal XRD file.
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// On error/failure return an empty array.
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if(! function_exists('webfinger')) {
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function webfinger($s, $debug = false) {
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/**
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* @brief Perform webfinger lookup on an email style address
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*
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* @param string $webbi An email style address
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* @param boolean $debug
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*
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* @return array of link attributes from the personal XRD file
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* empty array on error/failure
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*/
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function webfinger($webbie, $debug = false) {
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$host = '';
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if(strstr($s,'@')) {
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$host = substr($s,strpos($s,'@') + 1);
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if(strstr($webbie,'@')) {
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$host = substr($webbie,strpos($webbie,'@') + 1);
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}
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if(strlen($host)) {
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$tpl = fetch_lrdd_template($host);
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logger('webfinger: lrdd template: ' . $tpl);
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if(strlen($tpl)) {
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$pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
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$pxrd = str_replace('{uri}', urlencode('acct:' . $webbie), $tpl);
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logger('webfinger: pxrd: ' . $pxrd);
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$links = fetch_xrd_links($pxrd);
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if(! count($links)) {
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// try with double slashes
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$pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
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$pxrd = str_replace('{uri}', urlencode('acct://' . $webbie), $tpl);
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logger('webfinger: pxrd: ' . $pxrd);
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$links = fetch_xrd_links($pxrd);
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}
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@ -447,9 +435,8 @@ function webfinger($s, $debug = false) {
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}
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}
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return array();
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}}
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}
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if(! function_exists('lrdd')) {
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function lrdd($uri, $debug = false) {
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$a = get_app();
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@ -494,7 +481,7 @@ function lrdd($uri, $debug = false) {
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if(! $h)
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return array();
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$arr = convert_xml_element_to_array($h);
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$arr = xml::element_to_array($h);
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if(isset($arr['xrd']['property'])) {
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$property = $arr['crd']['property'];
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@ -618,15 +605,12 @@ function lrdd($uri, $debug = false) {
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return array();
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}}
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}
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// Given a host name, locate the LRDD template from that
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// host. Returns the LRDD template or an empty string on
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// error/failure.
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if(! function_exists('fetch_lrdd_template')) {
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function fetch_lrdd_template($host) {
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$tpl = '';
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@ -648,13 +632,15 @@ function fetch_lrdd_template($host) {
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if(! strpos($tpl,'{uri}'))
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$tpl = '';
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return $tpl;
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}}
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}
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// Given a URL, retrieve the page as an XRD document.
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// Return an array of links.
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// on error/failure return empty array.
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if(! function_exists('fetch_xrd_links')) {
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/**
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* @brief Given a URL, retrieve the page as an XRD document.
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*
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* @param string $url An url
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* @return array of links
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* return empty array on error/failure
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*/
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function fetch_xrd_links($url) {
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$xrd_timeout = intval(get_config('system','xrd_timeout'));
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@ -673,7 +659,7 @@ function fetch_xrd_links($url) {
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if(! $h)
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return array();
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$arr = convert_xml_element_to_array($h);
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$arr = xml::element_to_array($h);
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$links = array();
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@ -701,14 +687,17 @@ function fetch_xrd_links($url) {
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return $links;
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}}
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}
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// Take a URL from the wild, prepend http:// if necessary
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// and check DNS to see if it's real (or check if is a valid IP address)
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// return true if it's OK, false if something is wrong with it
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if(! function_exists('validate_url')) {
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/**
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* @brief Check URL to se if ts's real
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*
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* Take a URL from the wild, prepend http:// if necessary
|
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* and check DNS to see if it's real (or check if is a valid IP address)
|
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*
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* @param string $url The URL to be validated
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* @return boolean True if it's a valid URL, fals if something wrong with it
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*/
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function validate_url(&$url) {
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|
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if(get_config('system','disable_url_validation'))
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|
|
@ -724,11 +713,14 @@ function validate_url(&$url) {
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return true;
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}
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return false;
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||||
}}
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}
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||||
|
||||
// checks that email is an actual resolvable internet address
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||||
|
||||
if(! function_exists('validate_email')) {
|
||||
/**
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* @brief Checks that email is an actual resolvable internet address
|
||||
*
|
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* @param string $addr The email address
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||||
* @return boolean True if it's a valid email address, false if it's not
|
||||
*/
|
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function validate_email($addr) {
|
||||
|
||||
if(get_config('system','disable_email_validation'))
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|
|
@ -742,14 +734,17 @@ function validate_email($addr) {
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return true;
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||||
}
|
||||
return false;
|
||||
}}
|
||||
}
|
||||
|
||||
// Check $url against our list of allowed sites,
|
||||
// wildcards allowed. If allowed_sites is unset return true;
|
||||
// If url is allowed, return true.
|
||||
// otherwise, return false
|
||||
|
||||
if(! function_exists('allowed_url')) {
|
||||
/**
|
||||
* @brief Check if URL is allowed
|
||||
*
|
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* Check $url against our list of allowed sites,
|
||||
* wildcards allowed. If allowed_sites is unset return true;
|
||||
*
|
||||
* @param string $url URL which get tested
|
||||
* @return boolean True if url is allowed otherwise return false
|
||||
*/
|
||||
function allowed_url($url) {
|
||||
|
||||
$h = @parse_url($url);
|
||||
|
|
@ -784,14 +779,17 @@ function allowed_url($url) {
|
|||
}
|
||||
}
|
||||
return $found;
|
||||
}}
|
||||
}
|
||||
|
||||
// check if email address is allowed to register here.
|
||||
// Compare against our list (wildcards allowed).
|
||||
// Returns false if not allowed, true if allowed or if
|
||||
// allowed list is not configured.
|
||||
|
||||
if(! function_exists('allowed_email')) {
|
||||
/**
|
||||
* @brief Check if email address is allowed to register here.
|
||||
*
|
||||
* Compare against our list (wildcards allowed).
|
||||
*
|
||||
* @param type $email
|
||||
* @return boolean False if not allowed, true if allowed
|
||||
* or if allowed list is not configured
|
||||
*/
|
||||
function allowed_email($email) {
|
||||
|
||||
|
||||
|
|
@ -818,10 +816,8 @@ function allowed_email($email) {
|
|||
}
|
||||
}
|
||||
return $found;
|
||||
}}
|
||||
}
|
||||
|
||||
|
||||
if(! function_exists('avatar_img')) {
|
||||
function avatar_img($email) {
|
||||
|
||||
$a = get_app();
|
||||
|
|
@ -838,11 +834,11 @@ function avatar_img($email) {
|
|||
|
||||
logger('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], LOGGER_DEBUG);
|
||||
return $avatar['url'];
|
||||
}}
|
||||
}
|
||||
|
||||
|
||||
if(! function_exists('parse_xml_string')) {
|
||||
function parse_xml_string($s,$strict = true) {
|
||||
/// @todo Move this function to the xml class
|
||||
if($strict) {
|
||||
if(! strstr($s,'<?xml'))
|
||||
return false;
|
||||
|
|
@ -860,7 +856,7 @@ function parse_xml_string($s,$strict = true) {
|
|||
libxml_clear_errors();
|
||||
}
|
||||
return $x;
|
||||
}}
|
||||
}
|
||||
|
||||
function scale_external_images($srctext, $include_link = true, $scale_replace = false) {
|
||||
|
||||
|
|
@ -972,171 +968,6 @@ function fix_contact_ssl_policy(&$contact,$new_policy) {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* xml2array() will convert the given XML text to an array in the XML structure.
|
||||
* Link: http://www.bin-co.com/php/scripts/xml2array/
|
||||
* Portions significantly re-written by mike@macgirvin.com for Friendica (namespaces, lowercase tags, get_attribute default changed, more...)
|
||||
* Arguments : $contents - The XML text
|
||||
* $namespaces - true or false include namespace information in the returned array as array elements.
|
||||
* $get_attributes - 1 or 0. If this is 1 the function will get the attributes as well as the tag values - this results in a different array structure in the return value.
|
||||
* $priority - Can be 'tag' or 'attribute'. This will change the way the resulting array sturcture. For 'tag', the tags are given more importance.
|
||||
* Return: The parsed XML in an array form. Use print_r() to see the resulting array structure.
|
||||
* Examples: $array = xml2array(file_get_contents('feed.xml'));
|
||||
* $array = xml2array(file_get_contents('feed.xml', true, 1, 'attribute'));
|
||||
*/
|
||||
|
||||
function xml2array($contents, $namespaces = true, $get_attributes=1, $priority = 'attribute') {
|
||||
if(!$contents) return array();
|
||||
|
||||
if(!function_exists('xml_parser_create')) {
|
||||
logger('xml2array: parser function missing');
|
||||
return array();
|
||||
}
|
||||
|
||||
|
||||
libxml_use_internal_errors(true);
|
||||
libxml_clear_errors();
|
||||
|
||||
if($namespaces)
|
||||
$parser = @xml_parser_create_ns("UTF-8",':');
|
||||
else
|
||||
$parser = @xml_parser_create();
|
||||
|
||||
if(! $parser) {
|
||||
logger('xml2array: xml_parser_create: no resource');
|
||||
return array();
|
||||
}
|
||||
|
||||
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8");
|
||||
// http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
|
||||
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
|
||||
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
|
||||
@xml_parse_into_struct($parser, trim($contents), $xml_values);
|
||||
@xml_parser_free($parser);
|
||||
|
||||
if(! $xml_values) {
|
||||
logger('xml2array: libxml: parse error: ' . $contents, LOGGER_DATA);
|
||||
foreach(libxml_get_errors() as $err)
|
||||
logger('libxml: parse: ' . $err->code . " at " . $err->line . ":" . $err->column . " : " . $err->message, LOGGER_DATA);
|
||||
libxml_clear_errors();
|
||||
return;
|
||||
}
|
||||
|
||||
//Initializations
|
||||
$xml_array = array();
|
||||
$parents = array();
|
||||
$opened_tags = array();
|
||||
$arr = array();
|
||||
|
||||
$current = &$xml_array; // Reference
|
||||
|
||||
// Go through the tags.
|
||||
$repeated_tag_index = array(); // Multiple tags with same name will be turned into an array
|
||||
foreach($xml_values as $data) {
|
||||
unset($attributes,$value); // Remove existing values, or there will be trouble
|
||||
|
||||
// This command will extract these variables into the foreach scope
|
||||
// tag(string), type(string), level(int), attributes(array).
|
||||
extract($data); // We could use the array by itself, but this cooler.
|
||||
|
||||
$result = array();
|
||||
$attributes_data = array();
|
||||
|
||||
if(isset($value)) {
|
||||
if($priority == 'tag') $result = $value;
|
||||
else $result['value'] = $value; // Put the value in a assoc array if we are in the 'Attribute' mode
|
||||
}
|
||||
|
||||
//Set the attributes too.
|
||||
if(isset($attributes) and $get_attributes) {
|
||||
foreach($attributes as $attr => $val) {
|
||||
if($priority == 'tag') $attributes_data[$attr] = $val;
|
||||
else $result['@attributes'][$attr] = $val; // Set all the attributes in a array called 'attr'
|
||||
}
|
||||
}
|
||||
|
||||
// See tag status and do the needed.
|
||||
if($namespaces && strpos($tag,':')) {
|
||||
$namespc = substr($tag,0,strrpos($tag,':'));
|
||||
$tag = strtolower(substr($tag,strlen($namespc)+1));
|
||||
$result['@namespace'] = $namespc;
|
||||
}
|
||||
$tag = strtolower($tag);
|
||||
|
||||
if($type == "open") { // The starting of the tag '<tag>'
|
||||
$parent[$level-1] = &$current;
|
||||
if(!is_array($current) or (!in_array($tag, array_keys($current)))) { // Insert New tag
|
||||
$current[$tag] = $result;
|
||||
if($attributes_data) $current[$tag. '_attr'] = $attributes_data;
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
|
||||
$current = &$current[$tag];
|
||||
|
||||
} else { // There was another element with the same tag name
|
||||
|
||||
if(isset($current[$tag][0])) { // If there is a 0th element it is already an array
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||||
$repeated_tag_index[$tag.'_'.$level]++;
|
||||
} else { // This section will make the value an array if multiple tags with the same name appear together
|
||||
$current[$tag] = array($current[$tag],$result); // This will combine the existing item and the new item together to make an array
|
||||
$repeated_tag_index[$tag.'_'.$level] = 2;
|
||||
|
||||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||||
unset($current[$tag.'_attr']);
|
||||
}
|
||||
|
||||
}
|
||||
$last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
|
||||
$current = &$current[$tag][$last_item_index];
|
||||
}
|
||||
|
||||
} elseif($type == "complete") { // Tags that ends in 1 line '<tag />'
|
||||
//See if the key is already taken.
|
||||
if(!isset($current[$tag])) { //New Key
|
||||
$current[$tag] = $result;
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
if($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data;
|
||||
|
||||
} else { // If taken, put all things inside a list(array)
|
||||
if(isset($current[$tag][0]) and is_array($current[$tag])) { // If it is already an array...
|
||||
|
||||
// ...push the new element into that array.
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||||
|
||||
if($priority == 'tag' and $get_attributes and $attributes_data) {
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||||
}
|
||||
$repeated_tag_index[$tag.'_'.$level]++;
|
||||
|
||||
} else { // If it is not an array...
|
||||
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
if($priority == 'tag' and $get_attributes) {
|
||||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||||
|
||||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||||
unset($current[$tag.'_attr']);
|
||||
}
|
||||
|
||||
if($attributes_data) {
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||||
}
|
||||
}
|
||||
$repeated_tag_index[$tag.'_'.$level]++; // 0 and 1 indexes are already taken
|
||||
}
|
||||
}
|
||||
|
||||
} elseif($type == 'close') { // End of tag '</tag>'
|
||||
$current = &$parent[$level-1];
|
||||
}
|
||||
}
|
||||
|
||||
return($xml_array);
|
||||
}
|
||||
|
||||
function original_url($url, $depth=1, $fetchbody = false) {
|
||||
|
||||
$a = get_app();
|
||||
|
|
@ -1263,7 +1094,6 @@ function original_url($url, $depth=1, $fetchbody = false) {
|
|||
return($url);
|
||||
}
|
||||
|
||||
if (!function_exists('short_link')) {
|
||||
function short_link($url) {
|
||||
require_once('library/slinky.php');
|
||||
$slinky = new Slinky($url);
|
||||
|
|
@ -1285,7 +1115,7 @@ function short_link($url) {
|
|||
$slinky->set_cascade(array(new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL()));
|
||||
}
|
||||
return $slinky->short();
|
||||
}};
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Encodes content to json
|
||||
|
|
|
|||
222
include/xml.php
222
include/xml.php
|
|
@ -127,5 +127,227 @@ class xml {
|
|||
$element = self::create_element($doc, $element, $value, $attributes);
|
||||
$parent->appendChild($element);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Convert an XML document to a normalised, case-corrected array
|
||||
* used by webfinger
|
||||
*
|
||||
* @param object $xml_element The XML document
|
||||
* @param integer $recursion_depth recursion counter for internal use - default 0
|
||||
* internal use, recursion counter
|
||||
*
|
||||
* @return array | sring The array from the xml element or the string
|
||||
*/
|
||||
public static function element_to_array($xml_element, &$recursion_depth=0) {
|
||||
|
||||
// If we're getting too deep, bail out
|
||||
if ($recursion_depth > 512) {
|
||||
return(null);
|
||||
}
|
||||
|
||||
if (!is_string($xml_element) &&
|
||||
!is_array($xml_element) &&
|
||||
(get_class($xml_element) == 'SimpleXMLElement')) {
|
||||
$xml_element_copy = $xml_element;
|
||||
$xml_element = get_object_vars($xml_element);
|
||||
}
|
||||
|
||||
if (is_array($xml_element)) {
|
||||
$result_array = array();
|
||||
if (count($xml_element) <= 0) {
|
||||
return (trim(strval($xml_element_copy)));
|
||||
}
|
||||
|
||||
foreach($xml_element as $key=>$value) {
|
||||
|
||||
$recursion_depth++;
|
||||
$result_array[strtolower($key)] =
|
||||
self::convert_element_to_array($value, $recursion_depth);
|
||||
$recursion_depth--;
|
||||
}
|
||||
if ($recursion_depth == 0) {
|
||||
$temp_array = $result_array;
|
||||
$result_array = array(
|
||||
strtolower($xml_element_copy->getName()) => $temp_array,
|
||||
);
|
||||
}
|
||||
|
||||
return ($result_array);
|
||||
|
||||
} else {
|
||||
return (trim(strval($xml_element)));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Convert the given XML text to an array in the XML structure.
|
||||
*
|
||||
* xml::to_array() will convert the given XML text to an array in the XML structure.
|
||||
* Link: http://www.bin-co.com/php/scripts/xml2array/
|
||||
* Portions significantly re-written by mike@macgirvin.com for Friendica
|
||||
* (namespaces, lowercase tags, get_attribute default changed, more...)
|
||||
*
|
||||
* Examples: $array = xml::to_array(file_get_contents('feed.xml'));
|
||||
* $array = xml::to_array(file_get_contents('feed.xml', true, 1, 'attribute'));
|
||||
*
|
||||
* @param object $contents The XML text
|
||||
* @param boolean $namespaces True or false include namespace information
|
||||
* in the returned array as array elements.
|
||||
* @param integer $get_attributes 1 or 0. If this is 1 the function will get the attributes as well as the tag values -
|
||||
* this results in a different array structure in the return value.
|
||||
* @param string $priority Can be 'tag' or 'attribute'. This will change the way the resulting
|
||||
* array sturcture. For 'tag', the tags are given more importance.
|
||||
*
|
||||
* @return array The parsed XML in an array form. Use print_r() to see the resulting array structure.
|
||||
*/
|
||||
public static function to_array($contents, $namespaces = true, $get_attributes=1, $priority = 'attribute') {
|
||||
if(!$contents) return array();
|
||||
|
||||
if(!function_exists('xml_parser_create')) {
|
||||
logger('xml::to_array: parser function missing');
|
||||
return array();
|
||||
}
|
||||
|
||||
|
||||
libxml_use_internal_errors(true);
|
||||
libxml_clear_errors();
|
||||
|
||||
if($namespaces)
|
||||
$parser = @xml_parser_create_ns("UTF-8",':');
|
||||
else
|
||||
$parser = @xml_parser_create();
|
||||
|
||||
if(! $parser) {
|
||||
logger('xml::to_array: xml_parser_create: no resource');
|
||||
return array();
|
||||
}
|
||||
|
||||
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8");
|
||||
// http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
|
||||
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
|
||||
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
|
||||
@xml_parse_into_struct($parser, trim($contents), $xml_values);
|
||||
@xml_parser_free($parser);
|
||||
|
||||
if(! $xml_values) {
|
||||
logger('xml::to_array: libxml: parse error: ' . $contents, LOGGER_DATA);
|
||||
foreach(libxml_get_errors() as $err)
|
||||
logger('libxml: parse: ' . $err->code . " at " . $err->line . ":" . $err->column . " : " . $err->message, LOGGER_DATA);
|
||||
libxml_clear_errors();
|
||||
return;
|
||||
}
|
||||
|
||||
//Initializations
|
||||
$xml_array = array();
|
||||
$parents = array();
|
||||
$opened_tags = array();
|
||||
$arr = array();
|
||||
|
||||
$current = &$xml_array; // Reference
|
||||
|
||||
// Go through the tags.
|
||||
$repeated_tag_index = array(); // Multiple tags with same name will be turned into an array
|
||||
foreach($xml_values as $data) {
|
||||
unset($attributes,$value); // Remove existing values, or there will be trouble
|
||||
|
||||
// This command will extract these variables into the foreach scope
|
||||
// tag(string), type(string), level(int), attributes(array).
|
||||
extract($data); // We could use the array by itself, but this cooler.
|
||||
|
||||
$result = array();
|
||||
$attributes_data = array();
|
||||
|
||||
if(isset($value)) {
|
||||
if($priority == 'tag') $result = $value;
|
||||
else $result['value'] = $value; // Put the value in a assoc array if we are in the 'Attribute' mode
|
||||
}
|
||||
|
||||
//Set the attributes too.
|
||||
if(isset($attributes) and $get_attributes) {
|
||||
foreach($attributes as $attr => $val) {
|
||||
if($priority == 'tag') $attributes_data[$attr] = $val;
|
||||
else $result['@attributes'][$attr] = $val; // Set all the attributes in a array called 'attr'
|
||||
}
|
||||
}
|
||||
|
||||
// See tag status and do the needed.
|
||||
if($namespaces && strpos($tag,':')) {
|
||||
$namespc = substr($tag,0,strrpos($tag,':'));
|
||||
$tag = strtolower(substr($tag,strlen($namespc)+1));
|
||||
$result['@namespace'] = $namespc;
|
||||
}
|
||||
$tag = strtolower($tag);
|
||||
|
||||
if($type == "open") { // The starting of the tag '<tag>'
|
||||
$parent[$level-1] = &$current;
|
||||
if(!is_array($current) or (!in_array($tag, array_keys($current)))) { // Insert New tag
|
||||
$current[$tag] = $result;
|
||||
if($attributes_data) $current[$tag. '_attr'] = $attributes_data;
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
|
||||
$current = &$current[$tag];
|
||||
|
||||
} else { // There was another element with the same tag name
|
||||
|
||||
if(isset($current[$tag][0])) { // If there is a 0th element it is already an array
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||||
$repeated_tag_index[$tag.'_'.$level]++;
|
||||
} else { // This section will make the value an array if multiple tags with the same name appear together
|
||||
$current[$tag] = array($current[$tag],$result); // This will combine the existing item and the new item together to make an array
|
||||
$repeated_tag_index[$tag.'_'.$level] = 2;
|
||||
|
||||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||||
unset($current[$tag.'_attr']);
|
||||
}
|
||||
|
||||
}
|
||||
$last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
|
||||
$current = &$current[$tag][$last_item_index];
|
||||
}
|
||||
|
||||
} elseif($type == "complete") { // Tags that ends in 1 line '<tag />'
|
||||
//See if the key is already taken.
|
||||
if(!isset($current[$tag])) { //New Key
|
||||
$current[$tag] = $result;
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
if($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data;
|
||||
|
||||
} else { // If taken, put all things inside a list(array)
|
||||
if(isset($current[$tag][0]) and is_array($current[$tag])) { // If it is already an array...
|
||||
|
||||
// ...push the new element into that array.
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||||
|
||||
if($priority == 'tag' and $get_attributes and $attributes_data) {
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||||
}
|
||||
$repeated_tag_index[$tag.'_'.$level]++;
|
||||
|
||||
} else { // If it is not an array...
|
||||
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
|
||||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||||
if($priority == 'tag' and $get_attributes) {
|
||||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||||
|
||||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||||
unset($current[$tag.'_attr']);
|
||||
}
|
||||
|
||||
if($attributes_data) {
|
||||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||||
}
|
||||
}
|
||||
$repeated_tag_index[$tag.'_'.$level]++; // 0 and 1 indexes are already taken
|
||||
}
|
||||
}
|
||||
|
||||
} elseif($type == 'close') { // End of tag '</tag>'
|
||||
$current = &$parent[$level-1];
|
||||
}
|
||||
}
|
||||
|
||||
return($xml_array);
|
||||
}
|
||||
}
|
||||
?>
|
||||
|
|
|
|||
Loading…
Reference in a new issue