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Image Upload

\n \n
\n

\n \n Manage your blobs in Val Town settings\n \n

\n \n ,\n ));\n\napp.post(\"/\", async (c) => {\n try {\n const formData = await c.req.formData();\n const file = formData.get(\"file\");\n\n if (!file || !(file instanceof File)) {\n return c.text(\"No file uploaded\", 400);\n }\n\n const timestamp = Date.now();\n const key = `img_${timestamp}_${file.name}`;\n\n await blob.set(key, file);\n\n const baseUrl = new URL(c.req.url).origin;\n const imageUrl = `${baseUrl}/image/${encodeURIComponent(key)}`;\n\n return c.html(\n \n \n

Upload successful!

\n Image URL:\n

\n            {imageUrl}\n

\n
\n
\n \n
\n
\n Upload another |{\" \"}\n \n Manage blobs\n \n \n ,\n );\n } catch (error) {\n return c.text(`Error: ${error.message}`, 500);\n }\n});\n\napp.get(\"/image/:key\", async (c) => {\n try {\n const key = decodeURIComponent(c.req.param(\"key\"));\n const imageResponse = await blob.get(key);\n\n if (!imageResponse) {\n return c.text(\"Image not found\", 404);\n }\n\n const imageBlob = await imageResponse.blob();\n\n let contentType = \"image/jpeg\";\n if (key.includes(\".png\")) contentType = \"image/png\";\n else if (key.includes(\".gif\")) contentType = \"image/gif\";\n else if (key.includes(\".webp\")) contentType = \"image/webp\";\n\n return new Response(imageBlob, {\n headers: {\n \"Content-Type\": contentType,\n \"Cache-Control\": \"public, max-age=31536000\",\n },\n });\n } catch (error) {\n return c.text(`Error: ${error.message}`, 500);\n }\n});\n\nexport default app.fetch;","deleted","label",[61],"30448d0e-068d-11f1-abb4-42dde27851f2","README.md","019c47f6-e7d9-75e9-9ca2-e7f66cf8d0de",["D",1770733889395],"# Image Upload Tool for Val Town\n\nA image hosting solution built on Val Town's blob storage. Upload images and get\npermanent, shareable URLs instantly.\n\n## What This Does\n\nThis val provides a web interface for uploading images to Val Town's blob\nstorage and generates permanent URLs that you can use anywhere.\n\n**Key Features:**\n\n- Generates permanent, shareable image URLs\n- Images stored in Val Town's blob storage (powered by Cloudflare R2)\n\n## How It Works\n\n1. **Upload**: Select an image file (PNG, JPG, GIF, WebP)\n2. **Store**: The image is saved to Val Town blob storage with a unique\n timestamped key\n3. **Share**: You receive a permanent URL in the format:\n `https://your-val.web.val.run/image/img_timestamp_filename.png`\n4. **Use**: Copy the URL and use it anywhere you need\n\n## Storage Details\n\n- Images are stored in Val Town's blob storage, which is backed by Cloudflare R2\n- Each upload gets a unique key: `img_[timestamp]_[filename]`\n- Images are cached with a 1-year cache header for optimal performance\n- All images in your account can be managed at:\n https://www.val.town/settings/blob\n\n## Limitations\n\n- **File size**: ~1MB per upload (Val Town form upload limitation)\n- **Total storage**:\n - Free tier: 10MB total\n - Pro tier: 1GB total\n- **File types**: Images only (PNG, JPG, GIF, WebP, SVG)\n- For files larger than 1MB, consider uploading to another service first, then\n fetching server-side\n\n## Credits\n\nThis val is a remix of\n[@stevekrouse/fileInputUploadExample](https://www.val.town/v/stevekrouse/fileInputUploadExample),\nwhich demonstrated the basic pattern for file uploads with Hono and Val Town.\n\nThe original example showed how to set `enctype=\"multipart/form-data\"` on forms.\nThis remix extends that foundationc with:\n\n- Persistent blob storage instead of just echoing the file back\n- Permanent URL generation for uploaded images\n\n## Usage\n\n1. **Fork this val** to your own Val Town account\n2. Visit your val's endpoint (it will have a URL like\n `https://yourusername-valname.web.val.run`)\n3. Upload images and copy the generated URLs\n4. Manage or delete uploaded images at https://www.val.town/settings/blob",[79],{"_34":78,"_13":79,"_62":80,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":90,"_17":31,"_71":24,"_73":82,"_75":50,"_76":-5,"_87":91,"_18":92},{"_34":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":86,"_17":31,"_71":72,"_73":74,"_75":50,"_76":-5,"_87":88,"_18":89},["D",1770733889395],"children",[],[61],["D",1770733889395],[],[79],"30376714-068d-11f1-abb4-42dde27851f2",["D",1770733889395],"legacyEnvVars","httpPrivacy","description","Upload images for your projects","imageUrl","userId","019c47e5-f9c0-73ab-b51b-83b875490124","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount","019c47e5-f9c0-73ab-b51b-865bba7d5618","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_11":12,"_136":132},"org",{"_11":12,"_130":-5,"_131":132,"_100":101,"_133":134,"_135":50},"branch",{"_17":42,"_13":16,"_34":66,"_40":93,"_43":35,"_45":42,"_127":52,"_128":41,"_129":56,"_57":14,"_53":12},"forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoiZGVmYXVsdCIsImlpZCI6Imluc18yTm10cGhQUklwU0tqZHNiOHNnNGd2ZjJURFUiLCJyaWQiOiJ1c2VyXzM5VHZGcGJjT0hURnlIeWNpWlNiVENBYWdFdiJ9","tier","free","canRestrictVals","profileImageUrl","adoptOrgId",{"_34":93,"_13":14,"_36":180,"_48":-5,"_95":50,"_51":52,"_96":52,"_97":98,"_99":-5,"_100":101,"_102":63,"_103":69,"_104":-5,"_105":-5,"_106":31,"_55":107,"_108":-5,"_109":-5,"_110":-5,"_111":-5,"_112":113,"_114":113,"_115":116,"_117":116,"_118":116,"_119":113,"_120":113,"_121":181,"_123":182,"_125":183,"_49":50},[174,175],"files",[174,175],"counts",{"_165":31,"_166":42,"_167":31,"_33":168,"_169":170},[161,162],"upstreamProject",{"_34":41,"_13":14,"_97":98,"_99":-5,"_51":52,"_121":159},"upstreamBranch",{"_34":35,"_36":157,"_38":158,"_13":16,"_40":41,"_17":42,"_43":44,"_45":42,"_46":47,"_48":-5,"_49":50,"_51":52,"_53":54,"_55":56,"_57":14},"emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},["D",1768319359619],["D",1768319359619],{"_11":54,"_136":160},"https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18zN3FRQ1VHTGtnRnpWZUhseWp1WVAyaHc3RU4ifQ",{"_34":78,"_13":79,"_62":80,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":81,"_17":31,"_71":24,"_73":82,"_75":50,"_76":-5,"_18":164},{"_34":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":70,"_17":31,"_71":72,"_73":74,"_75":50,"_76":-5,"_18":163},[61],[79],"pulls","branches","forks",{"_171":31,"_173":31},"connections",{"_171":31,"_172":31},"count","unfilledCount","emptyCount",{"_34":78,"_13":79,"_62":80,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":90,"_17":31,"_71":24,"_73":82,"_75":50,"_76":-5,"_87":178,"_18":179},{"_34":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":42,"_68":69,"_36":86,"_17":31,"_71":72,"_73":74,"_75":50,"_76":-5,"_87":176,"_18":177},[],[61],[],[79],["D",1770733889395],{"_11":12,"_136":132},{"_11":12,"_130":-5,"_131":132,"_100":101,"_133":134,"_135":50},{"_17":42,"_13":16,"_34":66,"_40":93,"_43":35,"_45":42,"_127":52,"_128":41,"_129":56,"_57":14,"_53":12},"ctx",{"_121":-5,"_154":217,"_218":219,"_220":221,"_222":50,"_223":50,"_224":50,"_225":69,"_226":-5,"_227":-7,"_228":-7,"_229":31,"_230":50,"_231":50,"_232":-5,"_233":50,"_234":50,"_235":50,"_236":-5},"ENV",{"_188":189,"_190":191,"_192":16,"_193":194,"_195":196,"_197":198,"_199":200,"_201":202,"_203":204,"_205":206,"_207":208,"_209":210,"_211":212,"_213":214,"_215":216},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Code