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https://github.com/azures04/crafatar.git
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3def0910bc
Work on implementing capes Update to no-express Add more render tests Add capes express route Add documentation Add undefined images to .gitignore Fix no-express server again Cleanup config a bit General cleanup Add CodeClimate badge Test on Heroku Speed optimizations Fix tests Code cleanup
80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
var logging = require("../modules/logging");
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var helpers = require("../modules/helpers");
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var config = require("../modules/config");
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var human_status = {
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0: "none",
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1: "cached",
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2: "downloaded",
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3: "checked",
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"-1": "error"
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};
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// GET cape request
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module.exports = function(req, res) {
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var start = new Date();
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var uuid = (req.url.pathname.split("/")[2] || "").split(".")[0];
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var etag = null;
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if (!helpers.uuid_valid(uuid)) {
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res.writeHead(422, {
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"Content-Type": "text/plain",
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"Response-Time": new Date() - start
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});
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res.end("Invalid ID");
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return;
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}
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// strip dashes
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uuid = uuid.replace(/-/g, "");
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try {
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helpers.get_cape(uuid, function(err, status, image, hash) {
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logging.log(uuid + " - " + human_status[status]);
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if (err) {
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logging.error(uuid + " " + err);
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}
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etag = hash && hash.substr(0, 32) || "none";
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var matches = req.headers["if-none-match"] === '"' + etag + '"';
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if (image) {
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var http_status = 200;
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if (matches) {
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http_status = 304;
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} else if (err) {
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http_status = 503;
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}
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logging.debug("Etag: " + req.headers["if-none-match"]);
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logging.debug("matches: " + matches);
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logging.log("status: " + http_status);
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sendimage(http_status, status, image);
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} else {
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res.writeHead(404, {
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"Content-Type": "text/plain",
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"Response-Time": new Date() - start
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});
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res.end("404 not found");
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}
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});
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} catch(e) {
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logging.error(uuid + " error:");
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logging.error(e);
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res.writeHead(500, {
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"Content-Type": "text/plain",
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"Response-Time": new Date() - start
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});
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res.end("500 server error");
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}
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function sendimage(http_status, img_status, image) {
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res.writeHead(http_status, {
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"Content-Type": "image/png",
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"Cache-Control": "max-age=" + config.browser_cache_time + ", public",
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"Response-Time": new Date() - start,
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"X-Storage-Type": human_status[img_status],
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"Access-Control-Allow-Origin": "*",
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"Etag": '"' + etag + '"'
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});
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res.end(http_status === 304 ? null : image);
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}
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};
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