feat: implement initial cookie service

packages/hoppscotch-common/package.json

@@ -52,6 +52,7 @@
     "acorn-walk": "^8.2.0",
     "axios": "^1.4.0",
     "buffer": "^6.0.3",
+    "cookie-es": "^1.0.0",
     "dioc": "workspace:^",
     "esprima": "^4.0.1",
     "events": "^3.3.0",
@@ -76,6 +77,8 @@
     "process": "^0.11.10",
     "qs": "^6.11.2",
     "rxjs": "^7.8.1",
+    "set-cookie-parser": "^2.6.0",
+    "set-cookie-parser-es": "^1.0.5",
     "socket.io-client-v2": "npm:socket.io-client@^2.4.0",
     "socket.io-client-v3": "npm:socket.io-client@^3.1.3",
     "socket.io-client-v4": "npm:socket.io-client@^4.4.1",

packages/hoppscotch-common/src/services/cookie-jar.service.ts

@@ -0,0 +1,75 @@
+import { Service } from "dioc"
+import { ref } from "vue"
+import { parseString as setCookieParse } from "set-cookie-parser-es"
+
+export type CookieDef = {
+  name: string
+  value: string
+  domain: string
+  path: string
+  expires: string
+}
+
+export class CookieJarService extends Service {
+  public static readonly ID = "COOKIE_JAR_SERVICE"
+
+  /**
+   * The cookie jar that stores all relevant cookie info.
+   * The keys correspond to the domain of the cookie.
+   * The cookie strings are stored as an array of strings corresponding to the domain
+   */
+  public cookieJar = ref(new Map<string, string[]>())
+
+  constructor() {
+    super()
+
+    // TODO: Remove this, only for testing
+    this.cookieJar.value.set("hoppscotch.io", [
+      "cookie1=value1;",
+      "cookie2=value2;",
+      "cookie6=value6; Expires=Mon, 23 Oct 2023 14:53:22 GMT",
+    ])
+
+    this.cookieJar.value.set("echo.hoppscotch.io", [
+      "cookie3=value3;",
+      "cookie4=value4; Path=/test",
+      "cookie5=value5; Expires=Mon, 23 Oct 2023 12:23:22 GMT",
+    ])
+  }
+
+  public parseSetCookieString(setCookieString: string) {
+    return setCookieParse(setCookieString)
+  }
+
+  public getCookiesForURL(url: URL) {
+    const relevantDomains = Array.from(this.cookieJar.value.keys()).filter(
+      (domain) => url.hostname.endsWith(domain)
+    )
+
+    return relevantDomains
+      .flatMap((domain) => {
+        // Assemble the list of cookie entries from all the relevant domains
+
+        const cookieStrings = this.cookieJar.value.get(domain)! // We know not nullable from how we filter above
+
+        return cookieStrings.map((cookieString) =>
+          this.parseSetCookieString(cookieString)
+        )
+      })
+      .filter((cookie) => {
+        // Perform the required checks on the cookies
+
+        const passesPathCheck = url.pathname.startsWith(cookie.path ?? "/")
+
+        const passesExpiresCheck = !cookie.expires
+          ? true
+          : cookie.expires.getTime() >= new Date().getTime()
+
+        const passesSecureCheck = !cookie.secure
+          ? true
+          : url.protocol === "https:"
+
+        return passesPathCheck && passesExpiresCheck && passesSecureCheck
+      })
+  }
+}