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Add compatibility function for file_get_conents() and get_headers()

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This commit is contained in:
Hannes Magnusson
2008-04-21 11:00:33 +00:00
parent a94b70f2e7
commit fc23b9c5fd
2 changed files with 102 additions and 24 deletions
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99
include/site.inc
View File

@@ -173,6 +173,104 @@ function header_nocache()
}
}
// Compatibility function to fetch data from external source
function fetch_contents($url, $headers = false) {
if(function_exists('file_get_contents') && ini_get('allow_url_fopen')) {
$data = @file_get_contents($url);
if ($headers) {
return $http_response_header;
}
return $data;
}
// Let's find another way
if(function_exists('curl_exec')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, (int)$headers);
$data = curl_exec($ch);
curl_close($ch);
if ($headers) {
$array = explode("\n", $data);
foreach($array as $line) {
if (strlen($line)<=2) {
return $header;
} else {
$header[] = $line;
}
}
}
return $data;
}
$array = parse_url($url);
if(function_exists('fsockopen') && $fd = @fsockopen($array["host"], 80, $errno, $errstr, 15)) {
$data = "";
$header = array();
$body = false;
$path = $array["path"];
if (isset($array["query"])) {
$path .= "?" . $array["query"];
}
fputs($fd,"GET {$path} HTTP/1.0\r\n");
fputs($fd,"Host: {$array["host"]}\r\n");
fputs($fd,"Connection: close\r\n\r\n");
while($line = fgets($fd)) {
if($body) {
$data .= $line;
} elseif(strlen($line)<=2) {
$body = true;
} else {
$header[] = $line;
}
}
fclose($fd);
if ($headers) {
return $header;
}
return $data;
}
// Redirect to www.php.net ?
return array("ERROR" => "Unable to find a way to retrieve data");
}
// Compatibility function to fetch headers from external source
function fetch_header($url, $header) {
$headers = array();
if(function_exists("get_headers") && ini_get('allow_url_fopen')) {
$headers = get_headers($url, 1);
} else {
$data = fetch_contents($url, true);
foreach($data as $line) {
if (($pos = strpos($line, ":")) !== false) {
$headers[substr($line, 0, $pos)] = trim(substr($line, $pos+1));
} else {
$headers[0] = trim($line);
}
}
}
if (!is_array($headers) || empty($headers)) {
return null;
}
if (is_string($header)) {
$headers = array_change_key_case($headers, CASE_LOWER);
}
return isset($headers[$header]) ? $headers[$header] : null;
}
// Guess the current site from what Apache tells us.
// This should be the main name of the mirror (in case
// it works under more then one name). SERVER_NAME is
@@ -218,3 +316,4 @@ if (isset($_SERVER['MIRROR_STATS'])) {
if (isset($_SERVER['BASE_PAGE'])) {
$_SERVER['BASE_HREF'] = $MYSITE . $_SERVER['BASE_PAGE'];
} else { unset($_SERVER['BASE_HREF']); }

27
results.php
View File

@@ -45,30 +45,9 @@ $srch_host = "www.php.net";
$srch_rqst = "/ws.php?profile=$scope&q=$q&lang=$l&results=$per_page&start=$s&mirror=".trim(substr($MYSITE,7),'/');
$url = "http://".$srch_host.$srch_rqst;
if(function_exists('file_get_contents') && ini_get('allow_url_fopen')) {
$data = @file_get_contents($url);
} else {
// Let's find another way
if(function_exists('curl_exec')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($ch);
curl_close($ch);
} else if(function_exists('fsockopen') && $fd = @fsockopen($srch_host, 80, $errno, $errstr, 15)) {
$data = ''; $header = false;
fputs($fd,"GET $srch_rqst HTTP/1.0\r\n");
fputs($fd,"Host: $srch_host\r\n");
fputs($fd,"Connection: close\r\n\r\n");
while($line = fgets($fd)) {
if($header) $data .= $line;
if(strlen($line)<=2) $header = true;
}
fclose($fd);
} else {
// Redirect to www.php.net ?
}
$data = fetch_contents($url);
if (is_array($data)) {
exit_with_pretty_error("Search error", "Internal error", "This mirror does not support searches, please report this error to <a href='/contact'>our webmasters</a>");
}
$res = unserialize($data);