Lançamento da versão 1.0.10

src/shared/utils.js

@@ -402,6 +402,54 @@
     return new Date(value);
   }
 
+  function decodeJwtPayload(token) {
+    const normalizedToken = cleanString(token);
+
+    if (
+      !/^[A-Za-z0-9_-]+\.[A-Za-z0-9_-]+\.[A-Za-z0-9_-]+$/.test(
+        normalizedToken
+      )
+    ) {
+      return null;
+    }
+
+    try {
+      const payloadPart = normalizedToken.split(".")[1];
+      const base64 = payloadPart.replace(/-/g, "+").replace(/_/g, "/");
+      const paddedBase64 = base64.padEnd(Math.ceil(base64.length / 4) * 4, "=");
+      const json = decodeURIComponent(
+        Array.from(atob(paddedBase64), (char) => {
+          return `%${char.charCodeAt(0).toString(16).padStart(2, "0")}`;
+        }).join("")
+      );
+
+      return JSON.parse(json);
+    } catch {
+      return null;
+    }
+  }
+
+  function getJwtExpiresAt(token) {
+    const payload = decodeJwtPayload(token);
+    const expiresAtSeconds = Number(payload?.exp);
+
+    return Number.isFinite(expiresAtSeconds) && expiresAtSeconds > 0
+      ? expiresAtSeconds * 1000
+      : 0;
+  }
+
+  function isJwtExpired(token, skewSeconds = 60) {
+    const expiresAt = getJwtExpiresAt(token);
+
+    if (!expiresAt) {
+      return false;
+    }
+
+    const skewMilliseconds = Math.max(Number(skewSeconds) || 0, 0) * 1000;
+
+    return expiresAt <= Date.now() + skewMilliseconds;
+  }
+
   function getErrorMessage(error) {
     if (error instanceof Error) {
       return error.message;
@@ -456,6 +504,9 @@
     getOperationalWeekInfo,
     getCalendarRowWeekDate,
     parseDatePreservingDateOnly,
+    decodeJwtPayload,
+    getJwtExpiresAt,
+    isJwtExpired,
     getErrorMessage,
     escapeHtml,
     cssEscape,