Image Blobber

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\n \n \n \n `);\n});\n\n// POST endpoint to save image from URL\napp.post(\"/\", async (c) => {\n try {\n const body = await c.req.json();\n const { url, key } = body;\n\n if (!url) {\n return c.json({ error: \"Missing 'url' parameter\" }, 400);\n }\n\n // Generate a key if not provided\n const blobKey =\n key || `image_${Date.now()}_${Math.random().toString(36).substring(7)}`;\n\n // Fetch the image from the URL\n const imageResponse = await fetch(url);\n if (!imageResponse.ok) {\n return c.json(\n { error: `Failed to fetch image: ${imageResponse.statusText}` },\n 400\n );\n }\n\n // Get the image data and save directly to blob storage\n const imageArrayBuffer = await imageResponse.arrayBuffer();\n const contentType =\n imageResponse.headers.get(\"content-type\") || \"image/jpeg\";\n\n // Save image data and content type separately\n await blob.set(\n blobKey,\n new Blob([imageArrayBuffer], { type: contentType })\n );\n\n return c.json({\n success: true,\n key: blobKey,\n contentType: contentType,\n size: imageArrayBuffer.byteLength,\n });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\n// GET endpoint to retrieve and serve image (supports file extensions for Notion)\napp.get(\"/:key\", async (c) => {\n try {\n let key = c.req.param(\"key\");\n\n // Remove file extension if present (it's just for Notion compatibility)\n key = key.replace(/\\.(png|jpg|jpeg|gif|webp)$/i, \"\");\n\n // Retrieve binary data from blob storage\n const stored = await blob.get(key);\n\n if (!stored) {\n return c.json({ error: \"Image not found\" }, 404);\n }\n\n // Return the body with content type\n return new Response(stored.body, {\n headers: {\n \"Content-Type\": stored.type || \"image/jpeg\",\n \"Cache-Control\": \"public, max-age=31536000\",\n },\n });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\nexport default app.fetch;\n","deleted","label","imageblobber",[99],"permalink","https://www.val.town/x/lightweight/imageBlobber/code/main.ts","extension","actionData","errors"]