1 files changed, 58 insertions, 0 deletions
diff --git a/app/static/js/jwt.js b/app/static/js/jwt.js
new file mode 100644
index 0000000..1e07703
--- /dev/null
+++ b/app/static/js/jwt.js
@@ -0,0 +1,58 @@
+// Description: This file contains functions to access the API with JWT authentication.
+
+/**
+ * Accept a full URL, method, and body to send to the API.
+ *  - If successful, return the response
+ *  - If first fail, attempt to refresh JWT token and try again
+ *  - If second fail, return false
+ * @param {*} endpoint API endpoint
+ * @param {*} method String (GET, POST, PUT, DELETE)
+ * @param {*} body Data to send to the API
+ * @returns boolean
+ */
+async function accessAPI(endpoint, method, body) {
+    let response = await fetch(`/api${endpoint}`, {
+        method: method,
+        body: body,
+    });
+
+    if (response.ok) {
+        let data = await response.json();
+        data = await data;
+        console.log(data);
+        return data;
+    } else if (response.status === 401) {
+        console.log('REFRESHING TOKEN')
+        if (await refreshAccessToken()) {
+            // Try the request again
+            let response = await fetch(`/api${endpoint}`, {
+                method: method,
+                body: body,
+            });
+            if (response.ok) {
+                let data = await response.json();
+                data = await data;
+                console.log("REFRESHED DATA")
+                return data;
+            }
+        }
+    }
+    return false;
+}
+
+/**
+ * Attempt to refresh the JWT token
+ * @returns boolean
+ */
+async function refreshAccessToken () {
+    const response = await fetch('/api/auth/refresh', {
+        method: 'POST',
+    });
+    if (response.ok) {
+        console.log("TOKEN REFRESH")
+        return true;
+    } else {
+        console.log("TOKEN REFRESH FAILED")
+        return false;
+    }
+}
+\ No newline at end of file