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zot basic comm structure (real basic)

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friendica
2012-08-09 20:31:06 -07:00
parent f2a7fcf822
commit 26e29d7f88
3 changed files with 147 additions and 4 deletions
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90
include/network.php
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@@ -182,6 +182,96 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
return($body);
}}
if(! function_exists('z_fetch_url')) {
function z_fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null) {
$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
$a = get_app();
$ch = @curl_init($url);
if(($redirects > 8) || (! $ch))
return false;
@curl_setopt($ch, CURLOPT_HEADER, true);
if (!is_null($accept_content)){
curl_setopt($ch,CURLOPT_HTTPHEADER, array (
"Accept: " . $accept_content
));
}
@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
if(intval($timeout)) {
@curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
}
else {
$curl_time = intval(get_config('system','curl_timeout'));
@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
}
// by default we will allow self-signed certs
// but you can override this
$check_cert = get_config('system','verifyssl');
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
$prx = get_config('system','proxy');
if(strlen($prx)) {
@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
@curl_setopt($ch, CURLOPT_PROXY, $prx);
$prxusr = @get_config('system','proxyuser');
if(strlen($prxusr))
@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
}
if($binary)
@curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
// don't let curl abort the entire application
// if it throws any errors.
$s = @curl_exec($ch);
$base = $s;
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info['http_code'];
// logger('fetch_url:' . $http_code . ' data: ' . $s);
$header = '';
// Pull out multiple headers, e.g. proxy and continuation headers
// allow for HTTP/2.x without fixing code
while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$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 = array();
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
$newurl = trim(array_pop($matches));
if(strpos($newurl,'/') === 0)
$newurl = $url . $newurl;
$url_parsed = @parse_url($newurl);
if (isset($url_parsed)) {
$redirects++;
@curl_close($ch);
return z_fetch_url($newurl,$binary,$redirects,$timeout,$accpt_content);
}
}
$rc = intval($http_code);
$ret['return_code'] = $rc;
$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
$ret['body'] = substr($s,strlen($header));
$ret['header'] = $header;
@curl_close($ch);
return($ret);
}}