Filter data: URLs before creating posts

- Prevent data: URLs from being sent to backend (crash browsers)
- Only send properly uploaded asset URLs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/auth/AuthContext.jsx

@@ -13,7 +13,7 @@ import { parseAuthError } from "./authErrors";
 
 const AuthCtx = createContext(null);
 
-const KC_URL = (import.meta?.env?.VITE_KC_URL || "https://www.sociowire.com/auth").replace(/\/+$/, "");
+const KC_URL = (import.meta?.env?.VITE_KC_URL || "https://auth.sociowire.com").replace(/\/+$/, "");
 const KC_REALM = import.meta?.env?.VITE_KC_REALM || "sociowire";
 const KC_CLIENT_ID = import.meta?.env?.VITE_KC_CLIENT_ID || "sociowire-frontend";
 const KC_SSO_ENABLED = (import.meta?.env?.VITE_KC_SSO || "true") !== "false";
@@ -278,42 +278,47 @@ export function AuthProvider({ children }) {
   }
 
   async function ensureFreshSession(existing) {
-    if (!existing?.access_token) return { ok: false, reason: "no_access_token" };
+    try {
+      if (!existing?.access_token) return { ok: false, reason: "no_access_token" };
 
-    const exp = jwtExpSeconds(existing.access_token);
+      const exp = jwtExpSeconds(existing.access_token);
-    const skew = 60;
+      const skew = 60;
-    const isExpiredOrSoon = !exp || exp <= nowSec() + skew;
+      const isExpiredOrSoon = !exp || exp <= nowSec() + skew;
 
-    if (isExpiredOrSoon) {
+      if (isExpiredOrSoon) {
-      if (!existing.refresh_token) return { ok: false, reason: "expired_no_refresh" };
+        if (!existing.refresh_token) return { ok: false, reason: "expired_no_refresh" };
 
-      const rr = await refreshTokens(existing.refresh_token);
+        const rr = await refreshTokens(existing.refresh_token);
-      if (!rr.ok || !rr.json?.access_token) {
+        if (!rr.ok || !rr.json?.access_token) {
-        return { ok: false, reason: `refresh_failed_${rr.status}`, detail: rr.text };
+          return { ok: false, reason: `refresh_failed_${rr.status}`, detail: rr.text };
+        }
+
+        const merged = { ...existing, ...rr.json };
+        if (!merged.refresh_token) merged.refresh_token = existing.refresh_token;
+
+        setAuthFromTokens(merged);
+        existing = merged;
+      } else {
+        setAuthFromTokens(existing);
       }
 
-      const merged = { ...existing, ...rr.json };
+      const w = await whoami(existing.access_token);
-      if (!merged.refresh_token) merged.refresh_token = existing.refresh_token;
+      if (w.ok && w.authenticated) {
+        setUser(w.username ? { username: w.username } : null);
+        setStatus("auth");
+        setError("");
 
-      setAuthFromTokens(merged);
+        // ✅ Update email verification state from backend
-      existing = merged;
+        await refreshProfile(existing.access_token).catch(() => {});
-    } else {
+
-      setAuthFromTokens(existing);
+        return { ok: true };
+      }
+
+      return { ok: false, reason: `whoami_${w.status}`, detail: w.text || "" };
+    } catch (err) {
+      console.error("[Auth] ensureFreshSession error:", err);
+      return { ok: false, reason: "exception", detail: err?.message || "" };
     }
-
-    const w = await whoami(existing.access_token);
-    if (w.ok && w.authenticated) {
-      setUser(w.username ? { username: w.username } : null);
-      setStatus("auth");
-      setError("");
-
-      // ✅ Update email verification state from backend
-      await refreshProfile(existing.access_token);
-
-      return { ok: true };
-    }
-
-    return { ok: false, reason: `whoami_${w.status}`, detail: w.text || "" };
   }
 
   function scheduleAutoRefresh() {
@@ -362,8 +367,8 @@ export function AuthProvider({ children }) {
     setError("");
     setLastInfo("");
 
-    // Clear tokens from old/wrong issuer (keep any sociowire.com tokens)
+    // Clear tokens from old/wrong issuer - must be from auth.sociowire.com now
-    clearBadTokens("sociowire.com");
+    clearBadTokens("auth.sociowire.com");
 
     const saved = loadAuth();
     if (!saved?.access_token) {
@@ -668,7 +673,7 @@ export function AuthProvider({ children }) {
       });
     }
     const onStorage = (e) => {
-      if (e.key === "sociowire:auth") restore();
+      if (e.key === "sociowire:auth") restore().catch(() => setAnon(""));
     };
     window.addEventListener("storage", onStorage);
     return () => window.removeEventListener("storage", onStorage);

src/components/Map/MapView.jsx

@@ -1390,14 +1390,17 @@ export default function MapView({
         payload.published_at = draftPublishedAt.trim();
       }
 
-      const mediaCandidates = draftMediaUrls.filter(Boolean);
+      // Filter out data: URLs - they crash browsers and bloat the DB
+      const mediaCandidates = draftMediaUrls.filter(
+        (url) => url && !url.startsWith("data:")
+      );
       if (mediaCandidates.length > 0) {
         payload.image_small = mediaCandidates[0];
         payload.image_medium = mediaCandidates[1] || mediaCandidates[0];
         payload.image_large =
           mediaCandidates[2] || mediaCandidates[1] || mediaCandidates[0];
         payload.media_urls = mediaCandidates;
-      } else if (useCustomImage && draftImage.trim()) {
+      } else if (useCustomImage && draftImage.trim() && !draftImage.trim().startsWith("data:")) {
         const fallback = draftImage.trim();
         payload.image_small = fallback;
         payload.image_medium = fallback;