azures04/crafatar
1
0
Fork 0
mirror of https://github.com/azures04/crafatar.git synced 2026-03-21 23:41:18 +01:00
Code Issues Packages Projects Releases Wiki Activity

use Etag, fix #18

Browse Source
This commit is contained in:
jomo 2014-11-25 00:35:25 +01:00
parent 040aeb1c0c
commit 95ebaf86c5
2 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
modules/helpers.js
View File

@ -100,7 +100,7 @@ exp.get_image_hash = function(uuid, callback) {
// handles requests for +uuid+ images with +size+
// callback contains error, status, image buffer
// callback contains error, status, image buffer, hash
// image is the user's face+helm when helm is true, or the face otherwise
// for status, see get_image_hash
exp.get_avatar = function(uuid, helm, size, callback) {
@ -115,16 +115,16 @@ exp.get_avatar = function(uuid, helm, size, callback) {
}
skins.resize_img(filepath, size, function(img_err, result) {
if (img_err) {
callback(img_err, -1, null);
callback(img_err, -1, null, hash);
} else {
// we might have a hash although an error occured
// (e.g. Mojang servers not reachable, using outdated hash)
callback(err, (err ? -1 : status), result);
callback(err, (err ? -1 : status), result, hash);
}
});
} else {
// hash is null when uuid has no skin
callback(err, status, null);
callback(err, status, null, null);
}
});
};

20
routes/avatars.js
View File

@ -58,6 +58,7 @@ router.get('/avatars/:uuid.:ext?', function(req, res) {
var def = req.query.default;
var helm = req.query.hasOwnProperty('helm');
var start = new Date();
var etag = null;
// Prevent app from crashing/freezing
if (size < config.min_size || size > config.max_size) {
@ -74,13 +75,23 @@ router.get('/avatars/:uuid.:ext?', function(req, res) {
uuid = uuid.replace(/-/g, "");
try {
helpers.get_avatar(uuid, helm, size, function(err, status, image) {
helpers.get_avatar(uuid, helm, size, function(err, status, image, hash) {
logging.log(uuid + " - " + human_status[status]);
if (err) {
logging.error(err);
}
etag = hash && hash.substr(0, 32) + (helm ? "-helm-" : "-face-") + size || "none";
var matches = req.get("If-None-Match") == '"' + etag + '"';
if (image) {
sendimage(err ? 503 : 200, status, image);
var http_status = 200;
if (matches) {
http_status = 304;
} else if (err) {
http_status = 503;
}
console.log("matches: " + matches);
console.log("status: " + http_status);
sendimage(http_status, status, image);
} else {
handle_default(404, status);
}
@ -113,9 +124,10 @@ router.get('/avatars/:uuid.:ext?', function(req, res) {
'Content-Type': 'image/png',
'Cache-Control': 'max-age=' + config.browser_cache_time + ', public',
'Response-Time': new Date() - start,
'X-Storage-Type': human_status[img_status]
'X-Storage-Type': human_status[img_status],
'Etag': '"' + etag + '"'
});
res.end(image);
res.end(http_status == 304 ? null : image);
}
});