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fix: cors issue

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xavidop
2025-07-23 18:15:51 +02:00
parent 57a9805ff2
commit f00b4f8b61
3 changed files with 123 additions and 20 deletions
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src/utils/downloadUtils.ts
+58 -20
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@@ -21,16 +21,35 @@ export async function downloadCardImage(imageUrl: string, cardName: string): Pro
// Data URL - use directly
link.href = imageUrl;
} else if (imageUrl.startsWith('http')) {
// Firebase Storage URL or other HTTP URL - fetch and convert to blob URL
const response = await fetch(imageUrl);
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
// Clean up the blob URL after download
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
// Firebase Storage URL or other HTTP URL - use proxy approach to avoid CORS
try {
const proxyUrl = `/api/download?url=${encodeURIComponent(imageUrl)}`;
const response = await fetch(proxyUrl);
if (!response.ok) {
throw new Error('Failed to fetch through proxy');
}
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
// Clean up the blob URL after download
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
} catch (proxyError) {
console.error('Proxy download failed, trying direct fetch:', proxyError);
// Fallback to direct fetch (might still hit CORS)
const response = await fetch(imageUrl, { mode: 'cors' });
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
}
} else {
// Assume it's a base64 string without data URL prefix
const dataUrl = `data:image/png;base64,${imageUrl}`;
@@ -84,16 +103,35 @@ export async function downloadCardVideo(videoUrl: string, cardName: string): Pro
// Data URL - use directly
link.href = videoUrl;
} else if (videoUrl.startsWith('http')) {
// Firebase Storage URL or other HTTP URL - fetch and convert to blob URL
const response = await fetch(videoUrl);
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
// Clean up the blob URL after download
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
// Firebase Storage URL or other HTTP URL - use proxy approach to avoid CORS
try {
const proxyUrl = `/api/download?url=${encodeURIComponent(videoUrl)}`;
const response = await fetch(proxyUrl);
if (!response.ok) {
throw new Error('Failed to fetch through proxy');
}
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
// Clean up the blob URL after download
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
} catch (proxyError) {
console.error('Proxy download failed, trying direct fetch:', proxyError);
// Fallback to direct fetch (might still hit CORS)
const response = await fetch(videoUrl, { mode: 'cors' });
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
link.href = blobUrl;
link.addEventListener('click', () => {
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
});
}
} else {
// Assume it's a base64 string without data URL prefix
const dataUrl = `data:video/mp4;base64,${videoUrl}`;