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Adding cache mechanism for bbcode. Improving cache to use apc.

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This commit is contained in:
Michael Vogel 2014-02-23 15:51:57 +01:00
parent f663676cca
commit 57db109474
2 changed files with 84 additions and 63 deletions
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110
include/bbcode.php
View file

@ -534,77 +534,85 @@ function GetProfileUsername($profile, $username) {
}
function bb_RemovePictureLinks($match) {
$ch = @curl_init($match[1]);
@curl_setopt($ch, CURLOPT_NOBODY, true);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
@curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$text = Cache::get($match[1]);
if (substr($curl_info["content_type"], 0, 6) == "image/")
$text = "[url=".$match[1]."]".$match[1]."[/url]";
else {
$text = "[url=".$match[2]."]".$match[2]."[/url]";
if(is_null($text)){
$ch = @curl_init($match[1]);
@curl_setopt($ch, CURLOPT_NOBODY, true);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
@curl_exec($ch);
$curl_info = @curl_getinfo($ch);
// if its not a picture then look if its a page that contains a picture link
require_once("include/network.php");
if (substr($curl_info["content_type"], 0, 6) == "image/")
$text = "[url=".$match[1]."]".$match[1]."[/url]";
else {
$text = "[url=".$match[2]."]".$match[2]."[/url]";
$body = fetch_url($match[1]);
// if its not a picture then look if its a page that contains a picture link
require_once("include/network.php");
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpath = new DomXPath($doc);
$list = $xpath->query("//meta[@name]");
foreach ($list as $node) {
$attr = array();
$body = fetch_url($match[1]);
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpath = new DomXPath($doc);
$list = $xpath->query("//meta[@name]");
foreach ($list as $node) {
$attr = array();
if (strtolower($attr["name"]) == "twitter:image")
$text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
if (strtolower($attr["name"]) == "twitter:image")
$text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
}
}
Cache::set($match[1],$text);
}
return($text);
}
function bb_CleanPictureLinksSub($match) {
$ch = @curl_init($match[1]);
@curl_setopt($ch, CURLOPT_NOBODY, true);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
@curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$text = Cache::get($match[1]);
// if its a link to a picture then embed this picture
if (substr($curl_info["content_type"], 0, 6) == "image/")
$text = "[img]".$match[1]."[/img]";
else {
$text = "[img]".$match[2]."[/img]";
if(is_null($text)){
$ch = @curl_init($match[1]);
@curl_setopt($ch, CURLOPT_NOBODY, true);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
@curl_exec($ch);
$curl_info = @curl_getinfo($ch);
// if its not a picture then look if its a page that contains a picture link
require_once("include/network.php");
// if its a link to a picture then embed this picture
if (substr($curl_info["content_type"], 0, 6) == "image/")
$text = "[img]".$match[1]."[/img]";
else {
$text = "[img]".$match[2]."[/img]";
$body = fetch_url($match[1]);
// if its not a picture then look if its a page that contains a picture link
require_once("include/network.php");
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpath = new DomXPath($doc);
$list = $xpath->query("//meta[@name]");
foreach ($list as $node) {
$attr = array();
$body = fetch_url($match[1]);
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpath = new DomXPath($doc);
$list = $xpath->query("//meta[@name]");
foreach ($list as $node) {
$attr = array();
if (strtolower($attr["name"]) == "twitter:image")
$text = "[img]".$attr["content"]."[/img]";
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
if (strtolower($attr["name"]) == "twitter:image")
$text = "[img]".$attr["content"]."[/img]";
}
}
Cache::set($match[1],$text);
}
return($text);
}

37
include/cache.php
View file

@ -2,29 +2,42 @@
/**
* cache api
*/
class Cache {
public static function get($key){
public static function get($key) {
if (function_exists("apc_fetch") AND function_exists("apc_exists"))
if (apc_exists($key))
return(apc_fetch($key));
$r = q("SELECT `v` FROM `cache` WHERE `k`='%s' limit 1",
dbesc($key)
);
if (count($r)) return $r[0]['v'];
if (count($r)) {
if (function_exists("apc_store"))
apc_store($key, $r[0]['v'], 600);
return $r[0]['v'];
}
return null;
}
public static function set($key,$value) {
q("REPLACE INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')",
dbesc($key),
dbesc($value),
dbesc(datetime_convert()));
if (function_exists("apc_store"))
apc_store($key, $value, 600);
}
/*
/*
*
* Leaving this legacy code temporaily to see how REPLACE fares
* Leaving this legacy code temporaily to see how REPLACE fares
* as opposed to non-atomic checks when faced with fast moving key duplication.
* As a MySQL extension it isn't portable, but we're not yet very portable.
*/
@ -48,11 +61,11 @@
* }
*/
public static function clear(){
q("DELETE FROM `cache` WHERE `updated` < '%s'",
dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
}
}