*/
namespace Friendica\Util;
-use Friendica\App;
-use Friendica\Core\Addon;
-use Friendica\Core\L10n;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Core\Config;
-use Friendica\Network\Probe;
-use Friendica\Object\Image;
-use Friendica\Util\XML;
+use Friendica\Network\CurlResult;
use DOMDocument;
use DomXPath;
class Network
{
/**
- * @brief Curl wrapper
+ * Curl wrapper
*
* If binary flag is true, return binary results.
* Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
* to preserve cookies from one request to the next.
*
+ * @brief Curl wrapper
* @param string $url URL to fetch
* @param boolean $binary default false
* TRUE if asked to return binary results (file download)
*
* @return string The fetched content
*/
- public static function fetchUrl($url, $binary = false, &$redirects = 0, $timeout = 0, $accept_content = null, $cookiejar = 0)
+ public static function fetchUrl($url, $binary = false, &$redirects = 0, $timeout = 0, $accept_content = null, $cookiejar = '')
{
$ret = self::fetchUrlFull($url, $binary, $redirects, $timeout, $accept_content, $cookiejar);
- return $ret['body'];
+ return $ret->getBody();
}
/**
- * @brief Curl wrapper with array of return values.
+ * Curl wrapper with array of return values.
*
* Inner workings and parameters are the same as @ref fetchUrl but returns an array with
* all the information collected during the fetch.
*
+ * @brief Curl wrapper with array of return values.
* @param string $url URL to fetch
* @param boolean $binary default false
* TRUE if asked to return binary results (file download)
* @param string $accept_content supply Accept: header with 'accept_content' as the value
* @param string $cookiejar Path to cookie jar file
*
- * @return array With all relevant information, 'body' contains the actual fetched content.
+ * @return CurlResult With all relevant information, 'body' contains the actual fetched content.
*/
- public static function fetchUrlFull($url, $binary = false, &$redirects = 0, $timeout = 0, $accept_content = null, $cookiejar = 0)
+ public static function fetchUrlFull($url, $binary = false, &$redirects = 0, $timeout = 0, $accept_content = null, $cookiejar = '')
{
return self::curl(
$url,
* 'novalidate' => do not validate SSL certs, default is to validate using our CA list
* 'nobody' => only return the header
* 'cookiejar' => path to cookie jar file
+ * 'header' => header array
*
- * @return array an assoziative array with:
- * int 'return_code' => HTTP return code or 0 if timeout or failure
- * boolean 'success' => boolean true (if HTTP 2xx result) or false
- * string 'redirect_url' => in case of redirect, content was finally retrieved from this URL
- * string 'header' => HTTP headers
- * string 'body' => fetched content
+ * @return CurlResult
*/
public static function curl($url, $binary = false, &$redirects = 0, $opts = [])
{
$stamp1 = microtime(true);
- $a = get_app();
+ $a = \get_app();
+
+ if (strlen($url) > 1000) {
+ Logger::log('URL is longer than 1000 characters. Callstack: ' . System::callstack(20), Logger::DEBUG);
+ return CurlResult::createErrorCurl(substr($url, 0, 200));
+ }
$parts = parse_url($url);
- $path_parts = explode('/', $parts['path']);
+ $path_parts = explode('/', defaults($parts, 'path', ''));
foreach ($path_parts as $part) {
- if (strlen($part) <> mb_strlen($part)) {
+ if (strlen($part) <> mb_strlen($part)) {
$parts2[] = rawurlencode($part);
- } else {
- $parts2[] = $part;
- }
+ } else {
+ $parts2[] = $part;
+ }
}
- $parts['path'] = implode('/', $parts2);
+ $parts['path'] = implode('/', $parts2);
$url = self::unparseURL($parts);
if (self::isUrlBlocked($url)) {
- logger('domain of ' . $url . ' is blocked', LOGGER_DATA);
- return $ret;
+ Logger::log('domain of ' . $url . ' is blocked', Logger::DATA);
+ return CurlResult::createErrorCurl($url);
}
$ch = @curl_init($url);
if (($redirects > 8) || (!$ch)) {
- return $ret;
+ return CurlResult::createErrorCurl($url);
}
@curl_setopt($ch, CURLOPT_HEADER, true);
- if (x($opts, "cookiejar")) {
+ if (!empty($opts['cookiejar'])) {
curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
}
// @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
// @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
- if (x($opts, 'accept_content')) {
+ if (!empty($opts['accept_content'])) {
curl_setopt(
$ch,
CURLOPT_HTTPHEADER,
);
}
+ if (!empty($opts['header'])) {
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['header']);
+ }
+
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
+ @curl_setopt($ch, CURLOPT_USERAGENT, $a->getUserAgent());
$range = intval(Config::get('system', 'curl_range_bytes', 0));
/// @todo We could possibly set this value to "gzip" or something similar
curl_setopt($ch, CURLOPT_ENCODING, '');
- if (x($opts, 'headers')) {
+ if (!empty($opts['headers'])) {
@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
}
- if (x($opts, 'nobody')) {
+ if (!empty($opts['nobody'])) {
@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
}
- if (x($opts, 'timeout')) {
+ if (!empty($opts['timeout'])) {
@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
} else {
$curl_time = Config::get('system', 'curl_timeout', 60);
@curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
}
- $a->set_curl_code(0);
-
// don't let curl abort the entire application
// if it throws any errors.
$curl_info = @curl_getinfo($ch);
}
- if (curl_errno($ch) !== CURLE_OK) {
- logger('error fetching ' . $url . ': ' . curl_error($ch), LOGGER_NORMAL);
- }
-
- $ret['errno'] = curl_errno($ch);
-
- $base = $s;
- $ret['info'] = $curl_info;
-
- $http_code = $curl_info['http_code'];
-
- logger($url . ': ' . $http_code . " " . $s, LOGGER_DATA);
- $header = '';
-
- // Pull out multiple headers, e.g. proxy and continuation headers
- // allow for HTTP/2.x without fixing code
+ $curlResponse = new CurlResult($url, $s, $curl_info, curl_errno($ch), curl_error($ch));
- while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
- $chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
- $header .= $chunk;
- $base = substr($base, strlen($chunk));
- }
-
- $a->set_curl_code($http_code);
- $a->set_curl_content_type($curl_info['content_type']);
- $a->set_curl_headers($header);
-
- if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
- $new_location_info = @parse_url($curl_info['redirect_url']);
- $old_location_info = @parse_url($curl_info['url']);
-
- $newurl = $curl_info['redirect_url'];
-
- if (($new_location_info['path'] == '') && ($new_location_info['host'] != '')) {
- $newurl = $new_location_info['scheme'] . '://' . $new_location_info['host'] . $old_location_info['path'];
- }
-
- $matches = [];
-
- if (preg_match('/(Location:|URI:)(.*?)\n/i', $header, $matches)) {
- $newurl = trim(array_pop($matches));
- }
- if (strpos($newurl, '/') === 0) {
- $newurl = $old_location_info["scheme"]."://".$old_location_info["host"].$newurl;
- }
- $old_location_query = @parse_url($url, PHP_URL_QUERY);
-
- if ($old_location_query != '') {
- $newurl .= '?' . $old_location_query;
- }
-
- if (filter_var($newurl, FILTER_VALIDATE_URL)) {
- $redirects++;
- @curl_close($ch);
- return self::curl($newurl, $binary, $redirects, $opts);
- }
- }
-
- $a->set_curl_code($http_code);
- $a->set_curl_content_type($curl_info['content_type']);
-
- $rc = intval($http_code);
- $ret['return_code'] = $rc;
- $ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
- $ret['redirect_url'] = $url;
-
- if (!$ret['success']) {
- $ret['error'] = curl_error($ch);
- $ret['debug'] = $curl_info;
- logger('error: '.$url.': '.$ret['return_code'].' - '.$ret['error'], LOGGER_DEBUG);
- logger('debug: '.print_r($curl_info, true), LOGGER_DATA);
- }
-
- $ret['body'] = substr($s, strlen($header));
- $ret['header'] = $header;
-
- if (x($opts, 'debug')) {
- $ret['debug'] = $curl_info;
+ if ($curlResponse->isRedirectUrl()) {
+ $redirects++;
+ Logger::log('curl: redirect ' . $url . ' to ' . $curlResponse->getRedirectUrl());
+ @curl_close($ch);
+ return self::curl($curlResponse->getRedirectUrl(), $binary, $redirects, $opts);
}
@curl_close($ch);
- $a->save_timestamp($stamp1, 'network');
+ $a->saveTimestamp($stamp1, 'network');
- return($ret);
+ return $curlResponse;
}
/**
* @param integer $redirects Recursion counter for internal use - default = 0
* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
*
- * @return string The content
+ * @return CurlResult The content
*/
public static function post($url, $params, $headers = null, &$redirects = 0, $timeout = 0)
{
$stamp1 = microtime(true);
if (self::isUrlBlocked($url)) {
- logger('post_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
- return false;
+ Logger::log('post_url: domain of ' . $url . ' is blocked', Logger::DATA);
+ return CurlResult::createErrorCurl($url);
}
- $a = get_app();
+ $a = \get_app();
$ch = curl_init($url);
if (($redirects > 8) || (!$ch)) {
- return false;
+ return CurlResult::createErrorCurl($url);
}
- logger('post_url: start ' . $url, LOGGER_DATA);
+ Logger::log('post_url: start ' . $url, Logger::DATA);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
- curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
+ curl_setopt($ch, CURLOPT_USERAGENT, $a->getUserAgent());
if (Config::get('system', 'ipv4_resolve', false)) {
curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
}
}
- $a->set_curl_code(0);
-
// don't let curl abort the entire application
// if it throws any errors.
$base = $s;
$curl_info = curl_getinfo($ch);
- $http_code = $curl_info['http_code'];
- logger('post_url: result ' . $http_code . ' - ' . $url, LOGGER_DATA);
+ $curlResponse = new CurlResult($url, $s, $curl_info, curl_errno($ch), curl_error($ch));
- $header = '';
-
- // Pull out multiple headers, e.g. proxy and continuation headers
- // allow for HTTP/2.x without fixing code
-
- while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
- $chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
- $header .= $chunk;
- $base = substr($base, strlen($chunk));
- }
-
- if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
- $matches = [];
- $new_location_info = @parse_url($curl_info['redirect_url']);
- $old_location_info = @parse_url($curl_info['url']);
-
- preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
- $newurl = trim(array_pop($matches));
-
- if (strpos($newurl, '/') === 0) {
- $newurl = $old_location_info["scheme"] . "://" . $old_location_info["host"] . $newurl;
- }
-
- if (filter_var($newurl, FILTER_VALIDATE_URL)) {
- $redirects++;
- logger('post_url: redirect ' . $url . ' to ' . $newurl);
- return self::post($newurl, $params, $headers, $redirects, $timeout);
- }
+ if ($curlResponse->isRedirectUrl()) {
+ $redirects++;
+ Logger::log('post_url: redirect ' . $url . ' to ' . $curlResponse->getRedirectUrl());
+ curl_close($ch);
+ return self::post($curlResponse->getRedirectUrl(), $params, $headers, $redirects, $timeout);
}
- $a->set_curl_code($http_code);
-
- $body = substr($s, strlen($header));
-
- $a->set_curl_headers($header);
-
curl_close($ch);
- $a->save_timestamp($stamp1, 'network');
+ $a->saveTimestamp($stamp1, 'network');
- logger('post_url: end ' . $url, LOGGER_DATA);
+ Logger::log('post_url: end ' . $url, Logger::DATA);
- return $body;
+ return $curlResponse;
}
/**
/// @TODO Really suppress function outcomes? Why not find them + debug them?
$h = @parse_url($url);
- if ((is_array($h)) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME) || filter_var($h['host'], FILTER_VALIDATE_IP) )) {
+ if (!empty($h['host']) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME) || filter_var($h['host'], FILTER_VALIDATE_IP) )) {
return $url;
}
$h = substr($addr, strpos($addr, '@') + 1);
- if (($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+ // Concerning the @ see here: https://stackoverflow.com/questions/36280957/dns-get-record-a-temporary-server-error-occurred
+ if ($h && (@dns_get_record($h, DNS_A + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+ return true;
+ }
+ if ($h && @dns_get_record($h, DNS_CNAME + DNS_MX)) {
return true;
}
return false;
*/
public static function isUrlBlocked($url)
{
- $h = @parse_url($url);
-
- if (! $h) {
- return true;
+ $host = @parse_url($url, PHP_URL_HOST);
+ if (!$host) {
+ return false;
}
$domain_blocklist = Config::get('system', 'blocklist', []);
- if (! $domain_blocklist) {
+ if (!$domain_blocklist) {
return false;
}
- $host = strtolower($h['host']);
-
foreach ($domain_blocklist as $domain_block) {
- if (strtolower($domain_block['domain']) == $host) {
+ if (strcasecmp($domain_block['domain'], $host) === 0) {
return true;
}
}
}
$str_allowed = Config::get('system', 'allowed_email', '');
- if (!x($str_allowed)) {
+ if (empty($str_allowed)) {
return true;
}
public static function lookupAvatarByEmail($email)
{
- $avatar['size'] = 175;
+ $avatar['size'] = 300;
$avatar['email'] = $email;
$avatar['url'] = '';
$avatar['success'] = false;
- Addon::callHooks('avatar_lookup', $avatar);
+ Hook::callAll('avatar_lookup', $avatar);
if (! $avatar['success']) {
- $avatar['url'] = System::baseUrl() . '/images/person-175.jpg';
+ $avatar['url'] = System::baseUrl() . '/images/person-300.jpg';
}
- logger('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], LOGGER_DEBUG);
+ Logger::log('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], Logger::DEBUG);
return $avatar['url'];
}
public static function stripTrackingQueryParams($url)
{
$urldata = parse_url($url);
- if (is_string($urldata["query"])) {
+ if (!empty($urldata["query"])) {
$query = $urldata["query"];
parse_str($query, $querydata);
*/
public static function finalUrl($url, $depth = 1, $fetchbody = false)
{
- $a = get_app();
+ $a = \get_app();
$url = self::stripTrackingQueryParams($url);
if ($depth > 10) {
- return($url);
+ return $url;
}
$url = trim($url, "'");
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
+ curl_setopt($ch, CURLOPT_USERAGENT, $a->getUserAgent());
curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info['http_code'];
curl_close($ch);
- $a->save_timestamp($stamp1, "network");
+ $a->saveTimestamp($stamp1, "network");
if ($http_code == 0) {
- return($url);
+ return $url;
}
- if ((($curl_info['http_code'] == "301") || ($curl_info['http_code'] == "302"))
- && (($curl_info['redirect_url'] != "") || ($curl_info['location'] != ""))
- ) {
- if ($curl_info['redirect_url'] != "") {
- return(self::finalUrl($curl_info['redirect_url'], ++$depth, $fetchbody));
- } else {
- return(self::finalUrl($curl_info['location'], ++$depth, $fetchbody));
+ if (in_array($http_code, ['301', '302'])) {
+ if (!empty($curl_info['redirect_url'])) {
+ return self::finalUrl($curl_info['redirect_url'], ++$depth, $fetchbody);
+ } elseif (!empty($curl_info['location'])) {
+ return self::finalUrl($curl_info['location'], ++$depth, $fetchbody);
}
}
// if the file is too large then exit
if ($curl_info["download_content_length"] > 1000000) {
- return($url);
+ return $url;
}
// if it isn't a HTML file then exit
- if (($curl_info["content_type"] != "") && !strstr(strtolower($curl_info["content_type"]), "html")) {
- return($url);
+ if (!empty($curl_info["content_type"]) && !strstr(strtolower($curl_info["content_type"]), "html")) {
+ return $url;
}
$stamp1 = microtime(true);
curl_setopt($ch, CURLOPT_NOBODY, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
+ curl_setopt($ch, CURLOPT_USERAGENT, $a->getUserAgent());
$body = curl_exec($ch);
curl_close($ch);
- $a->save_timestamp($stamp1, "network");
+ $a->saveTimestamp($stamp1, "network");
if (trim($body) == "") {
- return($url);
+ return $url;
}
// Check for redirect in meta elements
$pathinfo = explode(";", $path);
foreach ($pathinfo as $value) {
if (substr(strtolower($value), 0, 4) == "url=") {
- return(self::finalUrl(substr($value, 4), ++$depth));
+ return self::finalUrl(substr($value, 4), ++$depth);
}
}
}
return "";
}
- $url1 = normalise_link($url1);
- $url2 = normalise_link($url2);
+ $url1 = Strings::normaliseLink($url1);
+ $url2 = Strings::normaliseLink($url2);
$parts1 = parse_url($url1);
$parts2 = parse_url($url2);
return "";
}
+ if (empty($parts1["scheme"])) {
+ $parts1["scheme"] = '';
+ }
+ if (empty($parts2["scheme"])) {
+ $parts2["scheme"] = '';
+ }
+
if ($parts1["scheme"] != $parts2["scheme"]) {
return "";
}
+ if (empty($parts1["host"])) {
+ $parts1["host"] = '';
+ }
+ if (empty($parts2["host"])) {
+ $parts2["host"] = '';
+ }
+
if ($parts1["host"] != $parts2["host"]) {
return "";
}
+ if (empty($parts1["port"])) {
+ $parts1["port"] = '';
+ }
+ if (empty($parts2["port"])) {
+ $parts2["port"] = '';
+ }
+
if ($parts1["port"] != $parts2["port"]) {
return "";
}
$match .= ":".$parts1["port"];
}
+ if (empty($parts1["path"])) {
+ $parts1["path"] = '';
+ }
+ if (empty($parts2["path"])) {
+ $parts2["path"] = '';
+ }
+
$pathparts1 = explode("/", $parts1["path"]);
$pathparts2 = explode("/", $parts2["path"]);
$i = 0;
$path = "";
do {
- $path1 = $pathparts1[$i];
- $path2 = $pathparts2[$i];
+ $path1 = defaults($pathparts1, $i, '');
+ $path2 = defaults($pathparts2, $i, '');
if ($path1 == $path2) {
$path .= $path1."/";
$match .= $path;
- return normalise_link($match);
+ return Strings::normaliseLink($match);
}
/**