fixes to get it working

src/cookie-jar.mjs

@@ -18,14 +18,14 @@ export default class CookieJar {
         }
         else if(cookies instanceof Cookie)
             this.cookies.set(cookies.name, cookies);
-        else
+        else if(cookies)
             throw new TypeError("Third parameter is neither an array nor a cookie!");
         if(this.cookies.size === 0 && this.file.length !== 0 && fs.existsSync(this.file))
-            this.cookies = new Map(JSON.parse(fs.readFileSync(this.file)));
+            this.cookies = new Map(JSON.parse(fs.readFileSync(this.file)).map(([k, v]) => [k, Cookie.fromObject(v)]));
     }
-    addCookie(c) {
+    addCookie(c, fromURL) {
         if(typeof c === "string")
-            c = new Cookie(c);
+            c = new Cookie(c, fromURL);
         this.cookies.set(c.name, c);
     }
     forEach(callback) {

src/cookie.mjs

@@ -1,12 +1,16 @@
 import urlParser from "url";
 
 const validateHostname = (cookieHostname, requestHostname, subdomains) => {
+    cookieHostname = cookieHostname.toLowerCase();
+    requestHostname = requestHostname.toLowerCase();
     if(requestHostname === cookieHostname || (subdomains && requestHostname.endsWith("." + cookieHostname)))
         return true;
     return false;
 };
 
 const validatePath = (cookiePath, requestPath) => {
+    cookiePath = cookiePath.toLowerCase();
+    requestPath = requestPath.toLowerCase();
     if(cookiePath.endsWith("/"))
         cookiePath = cookiePath.slice(0, -1);
     if(requestPath.endsWith("/"))
@@ -32,14 +36,14 @@ export default class Cookie {
                 if(k === "expires") {
                     if(this.expiry) // max-age has precedence over expires
                         continue;
-                    if(!/^(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2} (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} GMT$/.test(v)
+                    if(!/^(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2}[ -](?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[ -]\d{2,4} \d{2}:\d{2}:\d{2} GMT$/.test(v)
                         || (this.expiry = new Date(v)) === "Invalid Date")
                         throw new TypeError("Invalid value for Expires \"" + v + "\"!");
                 }
                 else if(k === "max-age") {
                     const seconds = parseInt(v);
                     if(seconds.toString() !== v)
-                        throw new TypeError("Invalid value for Max-Age \"" + v + "\"!")
+                        throw new TypeError("Invalid value for Max-Age \"" + v + "\"!");
                     this.expiry = new Date();
                     this.expiry.setSeconds(this.expiry.getSeconds() + seconds);
                 }
@@ -78,13 +82,16 @@ export default class Cookie {
             throw new TypeError("Cookie has \"__Host-\" prefix but \"Secure\" isn't set, the cookie is not set via https, \"Domain\" is set or \"Path\" is not equal to \"/\"!");
     }
     static fromObject(obj) {
-        return Object.assign(Object.create(this.prototype), obj);
+        let c = Object.assign(Object.create(this.prototype), obj);
+        if(c.expiry && typeof c.expiry === "string")
+            c.expiry = new Date(c.expiry);
+        return c;
     }
     serialize() {
         return this.name + "=" + this.value;
     }
     isValidForRequest(url) {
-        if(this.expiry && this.expiry > new Date())
+        if(this.expiry && this.expiry < new Date())
             return false;
         const parsedURL = urlParser.parse(url);
         if(parsedURL.protocol !== "http:" && parsedURL.protocol !== "https:")

src/index.mjs

@@ -9,16 +9,30 @@ export default {
             cookieJars.forEach(jar => {
                 if(!jar.flags.includes("r"))
                     return;
-                jar.forEach(c => c.isValidForRequest(url) && (cookies += c.serialize() + "; "));
+                jar.forEach(c => {
+                    if(c.isValidForRequest(url))
+                        cookies += c.serialize() + "; ";
+                });
             });
         }
         else if(cookieJars instanceof CookieJar && cookieJars.flags.includes("r")) {
-            cookieJars.forEach(c => c.isValidForRequest(url) && (cookies += c.serialize() + "; "));
+            cookieJars.forEach(c => {
+                if(c.isValidForRequest(url))
+                    cookies += c.serialize() + "; ";
+            });
         }
         else
             throw new TypeError("Third paramter is neither a cookie jar nor an array of cookie jars!");
-        if(cookies.length !== 0)
+        if(cookies.length !== 0) {
-            options.headers["Cookie"] = cookies.slice(0, -2);
+            if(!options) {
+                options = {
+                    headers: {}
+                };
+            }
+            if(!options.headers)
+                options.headers = {};
+            options.headers.cookie = cookies.slice(0, -2);
+        }
         const result = await fetch(url, options);
         // i cannot use headers.get() here because it joins the cookies to a string
         cookies = result.headers[Object.getOwnPropertySymbols(result.headers)[0]]["set-cookie"];
@@ -27,13 +41,14 @@ export default {
                 cookieJars.forEach(jar => {
                     if(!jar.flags.includes("w"))
                         return;
-                    cookies.forEach(c => jar.addCookie(c));
+                    cookies.forEach(c => jar.addCookie(c, url));
                 });
             }
             else if(cookieJars.flags.includes("w")) {
-                cookies.forEach(c => cookieJars.addCookie(c));
+                cookies.forEach(c => cookieJars.addCookie(c, url));
             }
         }
+        return result;
     },
     CookieJar: CookieJar,
     Cookie: Cookie