sink import to write permissios

fix signer

app/web/src/App.svelte

@@ -2449,24 +2449,83 @@
                     userSigner = window.nostr;
                     console.log("Restored extension signer for import");
                 }
-                headers.Authorization = await createNIP98AuthHeader(
+                
-                    `${getApiBase()}/api/import`,
+                // Use the actual request URL for NIP-98 auth
-                    "POST",
+                // If behind reverse proxy, server may see HTTP instead of HTTPS
-                );
+                // Use the same URL we're fetching, but try HTTP if HTTPS fails
+                const importUrl = `${getApiBase()}/api/import`;
+                // Convert to HTTP if HTTPS (reverse proxy may forward as HTTP internally)
+                const authUrl = importUrl.replace('https://', 'http://');
+                console.log("Creating NIP-98 auth for import URL:", authUrl, "(request URL:", importUrl, ")");
+                try {
+                    headers.Authorization = await createNIP98AuthHeader(
+                        authUrl,
+                        "POST",
+                    );
+                    console.log("NIP-98 auth header created successfully");
+                } catch (error) {
+                    console.error("Failed to create NIP-98 auth header:", error);
+                    importMessage = "Failed to create authentication: " + error.message;
+                    setTimeout(() => { importMessage = ""; }, 5000);
+                    return;
+                }
             }
             const formData = new FormData();
             formData.append("file", selectedFile);
 
+            console.log("Uploading file:", {
+                name: selectedFile.name,
+                size: selectedFile.size,
+                type: selectedFile.type,
+                sizeKB: Math.round(selectedFile.size / 1024),
+            });
+
+            // Use AbortController for timeout handling
+            const controller = new AbortController();
+            const timeoutId = setTimeout(() => {
+                controller.abort();
+                importMessage = "Upload timeout: The request took too long. Please try again or contact the administrator.";
+                setTimeout(() => { importMessage = ""; }, 10000);
+            }, 300000); // 5 minute timeout
+
+            console.log("Sending import request to:", `${getApiBase()}/api/import`);
+            console.log("Request headers:", Object.keys(headers));
+            console.log("File size:", selectedFile.size, "bytes");
+            
             const response = await fetch(`${getApiBase()}/api/import`, {
                 method: "POST",
                 headers,
                 body: formData,
+                signal: controller.signal,
             });
+            clearTimeout(timeoutId);
+            console.log("Import request completed, status:", response.status, response.statusText);
 
             if (!response.ok) {
-                throw new Error(
+                // Try to get error message from response body
-                    `Import failed: ${response.status} ${response.statusText}`,
+                let errorMsg = `Import failed: ${response.status} ${response.statusText}`;
-                );
+                
+                // Provide helpful messages for common errors
+                if (response.status === 502) {
+                    errorMsg = "Server error (502): The file may be too large or the server is temporarily unavailable. Try a smaller file or contact the administrator.";
+                } else if (response.status === 413) {
+                    errorMsg = "File too large: The file exceeds the server's size limit. Please split it into smaller files.";
+                } else if (response.status === 504) {
+                    errorMsg = "Request timeout: The file upload took too long. Try a smaller file or check your connection.";
+                } else {
+                    try {
+                        const errorData = await response.text();
+                        if (errorData && !errorData.includes("<!DOCTYPE")) {
+                            // Only show non-HTML error messages
+                            const shortError = errorData.substring(0, 200);
+                            errorMsg += ` - ${shortError}`;
+                        }
+                    } catch (e) {
+                        // Ignore error reading response
+                    }
+                }
+                
+                throw new Error(errorMsg);
             }
 
             const result = await response.json();
@@ -2748,20 +2807,50 @@
             throw new Error("No valid signer available");
         }
 
+        // Ensure URL is normalized (remove trailing slash, ensure proper format)
+        let normalizedUrl = url.trim();
+        if (normalizedUrl.endsWith('/') && normalizedUrl.length > 1) {
+            normalizedUrl = normalizedUrl.slice(0, -1);
+        }
+
+        // If the URL uses HTTPS but we're behind a reverse proxy that forwards as HTTP,
+        // try using HTTP instead to match what the server sees
+        // The server checks the request URL against the signed URL
+        let authUrl = normalizedUrl;
+        if (normalizedUrl.startsWith('https://')) {
+            // Try HTTP version in case reverse proxy forwards as HTTP internally
+            const httpUrl = normalizedUrl.replace('https://', 'http://');
+            // Use the same URL we're actually requesting (which should match server's view)
+            authUrl = normalizedUrl; // Keep HTTPS for now, server should handle both
+        }
+
         // Create NIP-98 auth event
         const authEvent = {
             kind: 27235,
             created_at: Math.floor(Date.now() / 1000),
             tags: [
-                ["u", url],
+                ["u", authUrl],
                 ["method", method.toUpperCase()],
             ],
             content: "",
             pubkey: userPubkey,
         };
 
+        console.log("NIP-98 auth event before signing:", {
+            kind: authEvent.kind,
+            url: authUrl,
+            method: method.toUpperCase(),
+            pubkey: userPubkey,
+        });
+
         const signedEvent = await userSigner.signEvent(authEvent);
 
+        console.log("NIP-98 auth event after signing:", {
+            id: signedEvent.id,
+            pubkey: signedEvent.pubkey,
+            sig: signedEvent.sig ? signedEvent.sig.substring(0, 16) + "..." : "missing",
+        });
+
         // Encode as base64
         const eventJson = JSON.stringify(signedEvent);
         const base64Event = btoa(eventJson);