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privacy_image_cache: avatar pictures of wall-to-wall-posts are now cached as well. And it is cached now at only one location

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This commit is contained in:
Michael Vogel 2013-12-27 02:05:46 +01:00
parent 4436168b26
commit 6de8e46728
1 changed files with 65 additions and 42 deletions
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107
privacy_image_cache/privacy_image_cache.php
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@ -34,6 +34,13 @@ function privacy_image_cache_module() {}
function privacy_image_cache_init() { function privacy_image_cache_init() {
global $a, $_SERVER; global $a, $_SERVER;
// The code needs to be reworked, it is too complicated
//
// it is doing the following:
// 1. If a folder "privacy_image_cache" exists and is writeable, then use this for caching
// 2. If a cache path is defined, use this
// 3. If everything else failed, cache into the database
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
header('HTTP/1.1 304 Not Modified'); header('HTTP/1.1 304 Not Modified');
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
@ -55,6 +62,14 @@ function privacy_image_cache_init() {
$thumb = false; $thumb = false;
// If the cache path isn't there, try to create it
if (!is_dir($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache"))
if (is_writable($_SERVER["DOCUMENT_ROOT"]))
mkdir($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache");
// Checking if caching into a folder in the webroot is activated and working
$direct_cache = (is_dir($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache") AND is_writable($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache"));
// Look for filename in the arguments // Look for filename in the arguments
if (isset($a->argv[1]) OR isset($a->argv[2]) OR isset($a->argv[3])) { if (isset($a->argv[1]) OR isset($a->argv[2]) OR isset($a->argv[3])) {
if (isset($a->argv[3])) if (isset($a->argv[3]))
@ -77,50 +92,53 @@ function privacy_image_cache_init() {
$thumb = (isset($a->argv[3]) and ($a->argv[3] == "thumb")); $thumb = (isset($a->argv[3]) and ($a->argv[3] == "thumb"));
} }
$urlhash = 'pic:' . sha1($_REQUEST['url']); if (!$direct_cache) {
// Double encoded url - happens with Diaspora $urlhash = 'pic:' . sha1($_REQUEST['url']);
$urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url'])); // Double encoded url - happens with Diaspora
$urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url']));
$cachefile = get_cachefile(hash("md5", $_REQUEST['url'])); $cachefile = get_cachefile(hash("md5", $_REQUEST['url']));
if ($cachefile != '') { if ($cachefile != '') {
if (file_exists($cachefile)) { if (file_exists($cachefile)) {
$img_str = file_get_contents($cachefile); $img_str = file_get_contents($cachefile);
$mime = image_type_to_mime_type(exif_imagetype($cachefile)); $mime = image_type_to_mime_type(exif_imagetype($cachefile));
header("Content-type: $mime"); header("Content-type: $mime");
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header('Etag: "'.md5($img_str).'"'); header('Etag: "'.md5($img_str).'"');
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT"); header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000"); header("Cache-Control: max-age=31536000");
// reduce quality - if it isn't a GIF // reduce quality - if it isn't a GIF
if ($mime != "image/gif") { if ($mime != "image/gif") {
$img = new Photo($img_str, $mime); $img = new Photo($img_str, $mime);
if($img->is_valid()) if($img->is_valid()) {
$img_str = $img->imageString(); $img_str = $img->imageString();
}
}
echo $img_str;
killme();
} }
echo $img_str;
if (is_dir($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache"))
file_put_contents($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache/".privacy_image_cache_cachename($_REQUEST['url'], true), $img_str);
killme();
} }
} } else
$cachefile = "";
$valid = true; $valid = true;
$r = q("SELECT * FROM `photo` WHERE `resource-id` in ('%s', '%s') LIMIT 1", $urlhash, $urlhash2); if (!$direct_cache AND ($cachefile == "")) {
if (count($r)) { $r = q("SELECT * FROM `photo` WHERE `resource-id` in ('%s', '%s') LIMIT 1", $urlhash, $urlhash2);
$img_str = $r[0]['data']; if (count($r)) {
$mime = $r[0]["desc"]; $img_str = $r[0]['data'];
if ($mime == "") $mime = "image/jpeg"; $mime = $r[0]["desc"];
if ($mime == "") $mime = "image/jpeg";
}
} else
$r = array();
} else { if (!count($r)) {
// It shouldn't happen but it does - spaces in URL // It shouldn't happen but it does - spaces in URL
$_REQUEST['url'] = str_replace(" ", "+", $_REQUEST['url']); $_REQUEST['url'] = str_replace(" ", "+", $_REQUEST['url']);
$redirects = 0; $redirects = 0;
$img_str = fetch_url($_REQUEST['url'],true, $redirects, 10); $img_str = fetch_url($_REQUEST['url'],true, $redirects, 10);
@ -140,7 +158,7 @@ function privacy_image_cache_init() {
$img->scaleImage(10); $img->scaleImage(10);
$img_str = $img->imageString(); $img_str = $img->imageString();
} }
} else if ($mime != "image/jpeg") { } else if (($mime != "image/jpeg") AND !$direct_cache AND ($cachefile == "")) {
$image = @imagecreatefromstring($img_str); $image = @imagecreatefromstring($img_str);
if($image === FALSE) die(); if($image === FALSE) die();
@ -165,25 +183,31 @@ function privacy_image_cache_init() {
} else { } else {
$img = new Photo($img_str, $mime); $img = new Photo($img_str, $mime);
if($img->is_valid()) { if($img->is_valid()) {
$img->store(0, 0, $urlhash, $_REQUEST['url'], '', 100); if (!$direct_cache AND ($cachefile == ""))
if ($thumb) $img->store(0, 0, $urlhash, $_REQUEST['url'], '', 100);
if ($thumb) {
$img->scaleImage(200); // Test $img->scaleImage(200); // Test
$img_str = $img->imageString(); $img_str = $img->imageString();
}
} }
//$mime = "image/jpeg"; //$mime = "image/jpeg";
} }
} }
// reduce quality - if it isn't a GIF // reduce quality - if it isn't a GIF
if ($mime != "image/gif") { if ($mime != "image/gif") {
$img = new Photo($img_str, $mime); $img = new Photo($img_str, $mime);
if($img->is_valid()) if($img->is_valid()) {
$img->scaleImage(1024); // Test
$img_str = $img->imageString(); $img_str = $img->imageString();
}
} }
// If there is a real existing directory then put the cache file there // If there is a real existing directory then put the cache file there
// advantage: real file access is really fast // advantage: real file access is really fast
// Otherwise write in cachefile // Otherwise write in cachefile
if ($valid AND is_dir($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache")) if ($valid AND $direct_cache)
file_put_contents($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache/".privacy_image_cache_cachename($_REQUEST['url'], true), $img_str); file_put_contents($_SERVER["DOCUMENT_ROOT"]."/privacy_image_cache/".privacy_image_cache_cachename($_REQUEST['url'], true), $img_str);
elseif ($cachefile != '') elseif ($cachefile != '')
file_put_contents($cachefile, $img_str); file_put_contents($cachefile, $img_str);
@ -306,13 +330,12 @@ function privacy_image_cache_display_item_hook(&$a, &$o) {
if (isset($o["output"])) { if (isset($o["output"])) {
if (isset($o["output"]["thumb"]) && !privacy_image_cache_is_local_image($o["output"]["thumb"])) if (isset($o["output"]["thumb"]) && !privacy_image_cache_is_local_image($o["output"]["thumb"]))
$o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["thumb"]); $o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["thumb"]);
//$o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["thumb"])));
if (isset($o["output"]["author-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["author-avatar"])) if (isset($o["output"]["author-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["author-avatar"]))
$o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["author-avatar"]); $o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["author-avatar"]);
//$o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["author-avatar"])));
if (isset($o["output"]["owner-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["owner-avatar"])) if (isset($o["output"]["owner-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["owner-avatar"]))
$o["output"]["owner-avatar"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["owner-avatar"]); $o["output"]["owner-avatar"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["owner-avatar"]);
//$o["output"]["owner-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["owner-avatar"]))); if (isset($o["output"]["owner_photo"]) && !privacy_image_cache_is_local_image($o["output"]["owner_photo"]))
$o["output"]["owner_photo"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($o["output"]["owner_photo"]);
} }
} }