cms: Upload-Bilder zu WebP konvertieren (sharp)

Raster-Uploads (jpg/png/…) werden zu WebP (q82), auf max. 2000px begrenzt,
EXIF-Rotation korrigiert — ~85% kleiner. SVG/GIF bleiben unangetastet.
Eindeutige Dateinamen verhindern Kollisionen.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-05-31 12:47:16 +02:00
parent f42a69c7ed
commit 5704c0f94c
3 changed files with 559 additions and 14 deletions
+525 -1
View File
@@ -11,7 +11,18 @@
"@hono/node-server": "^1.13.7",
"@supabase/supabase-js": "^2.47.10",
"gray-matter": "^4.0.3",
"hono": "^4.6.14"
"hono": "^4.6.14",
"sharp": "^0.33.5"
}
},
"node_modules/@emnapi/runtime": {
"version": "1.10.0",
"resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.10.0.tgz",
"integrity": "sha512-ewvYlk86xUoGI0zQRNq/mC+16R1QeDlKQy21Ki3oSYXNgLb45GV1P6A0M+/s6nyCuNDqe5VpaY84BzXGwVbwFA==",
"license": "MIT",
"optional": true,
"dependencies": {
"tslib": "^2.4.0"
}
},
"node_modules/@hono/node-server": {
@@ -26,6 +37,403 @@
"hono": "^4"
}
},
"node_modules/@img/sharp-darwin-arm64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.33.5.tgz",
"integrity": "sha512-UT4p+iz/2H4twwAoLCqfA9UH5pI6DggwKEGuaPy7nCVQ8ZsiY5PIcrRvD1DzuY3qYL07NtIQcWnBSY/heikIFQ==",
"cpu": [
"arm64"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"darwin"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-darwin-arm64": "1.0.4"
}
},
"node_modules/@img/sharp-darwin-x64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.33.5.tgz",
"integrity": "sha512-fyHac4jIc1ANYGRDxtiqelIbdWkIuQaI84Mv45KvGRRxSAa7o7d1ZKAOBaYbnepLC1WqxfpimdeWfvqqSGwR2Q==",
"cpu": [
"x64"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"darwin"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-darwin-x64": "1.0.4"
}
},
"node_modules/@img/sharp-libvips-darwin-arm64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.0.4.tgz",
"integrity": "sha512-XblONe153h0O2zuFfTAbQYAX2JhYmDHeWikp1LM9Hul9gVPjFY427k6dFEcOL72O01QxQsWi761svJ/ev9xEDg==",
"cpu": [
"arm64"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"darwin"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-darwin-x64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-x64/-/sharp-libvips-darwin-x64-1.0.4.tgz",
"integrity": "sha512-xnGR8YuZYfJGmWPvmlunFaWJsb9T/AO2ykoP3Fz/0X5XV2aoYBPkX6xqCQvUTKKiLddarLaxpzNe+b1hjeWHAQ==",
"cpu": [
"x64"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"darwin"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linux-arm": {
"version": "1.0.5",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.0.5.tgz",
"integrity": "sha512-gvcC4ACAOPRNATg/ov8/MnbxFDJqf/pDePbBnuBDcjsI8PssmjoKMAz4LtLaVi+OnSb5FK/yIOamqDwGmXW32g==",
"cpu": [
"arm"
],
"libc": [
"glibc"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linux-arm64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm64/-/sharp-libvips-linux-arm64-1.0.4.tgz",
"integrity": "sha512-9B+taZ8DlyyqzZQnoeIvDVR/2F4EbMepXMc/NdVbkzsJbzkUjhXv/70GQJ7tdLA4YJgNP25zukcxpX2/SueNrA==",
"cpu": [
"arm64"
],
"libc": [
"glibc"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linux-s390x": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-s390x/-/sharp-libvips-linux-s390x-1.0.4.tgz",
"integrity": "sha512-u7Wz6ntiSSgGSGcjZ55im6uvTrOxSIS8/dgoVMoiGE9I6JAfU50yH5BoDlYA1tcuGS7g/QNtetJnxA6QEsCVTA==",
"cpu": [
"s390x"
],
"libc": [
"glibc"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linux-x64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-x64/-/sharp-libvips-linux-x64-1.0.4.tgz",
"integrity": "sha512-MmWmQ3iPFZr0Iev+BAgVMb3ZyC4KeFc3jFxnNbEPas60e1cIfevbtuyf9nDGIzOaW9PdnDciJm+wFFaTlj5xYw==",
"cpu": [
"x64"
],
"libc": [
"glibc"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linuxmusl-arm64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-arm64/-/sharp-libvips-linuxmusl-arm64-1.0.4.tgz",
"integrity": "sha512-9Ti+BbTYDcsbp4wfYib8Ctm1ilkugkA/uscUn6UXK1ldpC1JjiXbLfFZtRlBhjPZ5o1NCLiDbg8fhUPKStHoTA==",
"cpu": [
"arm64"
],
"libc": [
"musl"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-libvips-linuxmusl-x64": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-x64/-/sharp-libvips-linuxmusl-x64-1.0.4.tgz",
"integrity": "sha512-viYN1KX9m+/hGkJtvYYp+CCLgnJXwiQB39damAO7WMdKWlIhmYTfHjwSbQeUK/20vY154mwezd9HflVFM1wVSw==",
"cpu": [
"x64"
],
"libc": [
"musl"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-linux-arm": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linux-arm/-/sharp-linux-arm-0.33.5.tgz",
"integrity": "sha512-JTS1eldqZbJxjvKaAkxhZmBqPRGmxgu+qFKSInv8moZ2AmT5Yib3EQ1c6gp493HvrvV8QgdOXdyaIBrhvFhBMQ==",
"cpu": [
"arm"
],
"libc": [
"glibc"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linux-arm": "1.0.5"
}
},
"node_modules/@img/sharp-linux-arm64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linux-arm64/-/sharp-linux-arm64-0.33.5.tgz",
"integrity": "sha512-JMVv+AMRyGOHtO1RFBiJy/MBsgz0x4AWrT6QoEVVTyh1E39TrCUpTRI7mx9VksGX4awWASxqCYLCV4wBZHAYxA==",
"cpu": [
"arm64"
],
"libc": [
"glibc"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linux-arm64": "1.0.4"
}
},
"node_modules/@img/sharp-linux-s390x": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linux-s390x/-/sharp-linux-s390x-0.33.5.tgz",
"integrity": "sha512-y/5PCd+mP4CA/sPDKl2961b+C9d+vPAveS33s6Z3zfASk2j5upL6fXVPZi7ztePZ5CuH+1kW8JtvxgbuXHRa4Q==",
"cpu": [
"s390x"
],
"libc": [
"glibc"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linux-s390x": "1.0.4"
}
},
"node_modules/@img/sharp-linux-x64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linux-x64/-/sharp-linux-x64-0.33.5.tgz",
"integrity": "sha512-opC+Ok5pRNAzuvq1AG0ar+1owsu842/Ab+4qvU879ippJBHvyY5n2mxF1izXqkPYlGuP/M556uh53jRLJmzTWA==",
"cpu": [
"x64"
],
"libc": [
"glibc"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linux-x64": "1.0.4"
}
},
"node_modules/@img/sharp-linuxmusl-arm64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-arm64/-/sharp-linuxmusl-arm64-0.33.5.tgz",
"integrity": "sha512-XrHMZwGQGvJg2V/oRSUfSAfjfPxO+4DkiRh6p2AFjLQztWUuY/o8Mq0eMQVIY7HJ1CDQUJlxGGZRw1a5bqmd1g==",
"cpu": [
"arm64"
],
"libc": [
"musl"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linuxmusl-arm64": "1.0.4"
}
},
"node_modules/@img/sharp-linuxmusl-x64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-x64/-/sharp-linuxmusl-x64-0.33.5.tgz",
"integrity": "sha512-WT+d/cgqKkkKySYmqoZ8y3pxx7lx9vVejxW/W4DOFMYVSkErR+w7mf2u8m/y4+xHe7yY9DAXQMWQhpnMuFfScw==",
"cpu": [
"x64"
],
"libc": [
"musl"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linuxmusl-x64": "1.0.4"
}
},
"node_modules/@img/sharp-wasm32": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-wasm32/-/sharp-wasm32-0.33.5.tgz",
"integrity": "sha512-ykUW4LVGaMcU9lu9thv85CbRMAwfeadCJHRsg2GmeRa/cJxsVY9Rbd57JcMxBkKHag5U/x7TSBpScF4U8ElVzg==",
"cpu": [
"wasm32"
],
"license": "Apache-2.0 AND LGPL-3.0-or-later AND MIT",
"optional": true,
"dependencies": {
"@emnapi/runtime": "^1.2.0"
},
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-win32-ia32": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.33.5.tgz",
"integrity": "sha512-T36PblLaTwuVJ/zw/LaH0PdZkRz5rd3SmMHX8GSmR7vtNSP5Z6bQkExdSK7xGWyxLw4sUknBuugTelgw2faBbQ==",
"cpu": [
"ia32"
],
"license": "Apache-2.0 AND LGPL-3.0-or-later",
"optional": true,
"os": [
"win32"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-win32-x64": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.33.5.tgz",
"integrity": "sha512-MpY/o8/8kj+EcnxwvrP4aTJSWw/aZ7JIGR4aBeZkZw5B7/Jn+tY9/VNwtcoGmdT7GfggGIU4kygOMSbYnOrAbg==",
"cpu": [
"x64"
],
"license": "Apache-2.0 AND LGPL-3.0-or-later",
"optional": true,
"os": [
"win32"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@supabase/auth-js": {
"version": "2.106.2",
"resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.106.2.tgz",
@@ -119,6 +527,56 @@
"sprintf-js": "~1.0.2"
}
},
"node_modules/color": {
"version": "4.2.3",
"resolved": "https://registry.npmjs.org/color/-/color-4.2.3.tgz",
"integrity": "sha512-1rXeuUUiGGrykh+CeBdu5Ie7OJwinCgQY0bc7GCRxy5xVHy+moaqkpL/jqQq0MtQOeYcrqEz4abc5f0KtU7W4A==",
"license": "MIT",
"dependencies": {
"color-convert": "^2.0.1",
"color-string": "^1.9.0"
},
"engines": {
"node": ">=12.5.0"
}
},
"node_modules/color-convert": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
"integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
"license": "MIT",
"dependencies": {
"color-name": "~1.1.4"
},
"engines": {
"node": ">=7.0.0"
}
},
"node_modules/color-name": {
"version": "1.1.4",
"resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
"integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
"license": "MIT"
},
"node_modules/color-string": {
"version": "1.9.1",
"resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.1.tgz",
"integrity": "sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==",
"license": "MIT",
"dependencies": {
"color-name": "^1.0.0",
"simple-swizzle": "^0.2.2"
}
},
"node_modules/detect-libc": {
"version": "2.1.2",
"resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
"integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
"license": "Apache-2.0",
"engines": {
"node": ">=8"
}
},
"node_modules/esprima": {
"version": "4.0.1",
"resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
@@ -177,6 +635,12 @@
"node": ">=20.0.0"
}
},
"node_modules/is-arrayish": {
"version": "0.3.4",
"resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.4.tgz",
"integrity": "sha512-m6UrgzFVUYawGBh1dUsWR5M2Clqic9RVXC/9f8ceNlv2IcO9j9J/z8UoCLPqtsPBFNzEpfR3xftohbfqDx8EQA==",
"license": "MIT"
},
"node_modules/is-extendable": {
"version": "0.1.1",
"resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
@@ -221,6 +685,66 @@
"node": ">=4"
}
},
"node_modules/semver": {
"version": "7.8.1",
"resolved": "https://registry.npmjs.org/semver/-/semver-7.8.1.tgz",
"integrity": "sha512-rkVq3IXh+4FDGch+KwzX3aV9W3kO54GyEgpvBzSyctDA6Xtd7RJQV1xmXbeQp5v7+VzLOfVqiutSE6GICgPFvg==",
"license": "ISC",
"bin": {
"semver": "bin/semver.js"
},
"engines": {
"node": ">=10"
}
},
"node_modules/sharp": {
"version": "0.33.5",
"resolved": "https://registry.npmjs.org/sharp/-/sharp-0.33.5.tgz",
"integrity": "sha512-haPVm1EkS9pgvHrQ/F3Xy+hgcuMV0Wm9vfIBSiwZ05k+xgb0PkBQpGsAA/oWdDobNaZTH5ppvHtzCFbnSEwHVw==",
"hasInstallScript": true,
"license": "Apache-2.0",
"dependencies": {
"color": "^4.2.3",
"detect-libc": "^2.0.3",
"semver": "^7.6.3"
},
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-darwin-arm64": "0.33.5",
"@img/sharp-darwin-x64": "0.33.5",
"@img/sharp-libvips-darwin-arm64": "1.0.4",
"@img/sharp-libvips-darwin-x64": "1.0.4",
"@img/sharp-libvips-linux-arm": "1.0.5",
"@img/sharp-libvips-linux-arm64": "1.0.4",
"@img/sharp-libvips-linux-s390x": "1.0.4",
"@img/sharp-libvips-linux-x64": "1.0.4",
"@img/sharp-libvips-linuxmusl-arm64": "1.0.4",
"@img/sharp-libvips-linuxmusl-x64": "1.0.4",
"@img/sharp-linux-arm": "0.33.5",
"@img/sharp-linux-arm64": "0.33.5",
"@img/sharp-linux-s390x": "0.33.5",
"@img/sharp-linux-x64": "0.33.5",
"@img/sharp-linuxmusl-arm64": "0.33.5",
"@img/sharp-linuxmusl-x64": "0.33.5",
"@img/sharp-wasm32": "0.33.5",
"@img/sharp-win32-ia32": "0.33.5",
"@img/sharp-win32-x64": "0.33.5"
}
},
"node_modules/simple-swizzle": {
"version": "0.2.4",
"resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.4.tgz",
"integrity": "sha512-nAu1WFPQSMNr2Zn9PGSZK9AGn4t/y97lEm+MXTtUDwfP0ksAIX4nO+6ruD9Jwut4C49SB1Ws+fbXsm/yScWOHw==",
"license": "MIT",
"dependencies": {
"is-arrayish": "^0.3.1"
}
},
"node_modules/sprintf-js": {
"version": "1.0.3",
"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+2 -1
View File
@@ -12,6 +12,7 @@
"@hono/node-server": "^1.13.7",
"@supabase/supabase-js": "^2.47.10",
"gray-matter": "^4.0.3",
"hono": "^4.6.14"
"hono": "^4.6.14",
"sharp": "^0.33.5"
}
}
+32 -12
View File
@@ -1,11 +1,14 @@
import { Hono } from 'hono';
import { mkdir, writeFile } from 'node:fs/promises';
import path from 'node:path';
import sharp from 'sharp';
// Bild-Upload → static/images/. Raster-Bilder werden zu WebP konvertiert
// (kleiner, web-optimiert), auf max. 2000px begrenzt, EXIF-Rotation korrigiert.
// SVG/GIF bleiben unangetastet (Vektor/Animation erhalten).
const SITE_DIR = process.env.SITE_DIR || '/site';
const PASSTHROUGH = new Set(['.svg', '.gif']);
// Bild-Upload → static/images/<name>. Hugo kopiert das beim Build nach
// public/images/, cover_image referenziert es als /images/<name>.
const upload = new Hono();
upload.post('/', async (c) => {
@@ -13,22 +16,39 @@ upload.post('/', async (c) => {
const file = body['file'];
if (!file || typeof file === 'string') return c.json({ error: 'Keine Datei' }, 400);
const name = safeName(file.name);
const dir = path.join(SITE_DIR, 'static', 'images');
await mkdir(dir, { recursive: true });
await writeFile(path.join(dir, name), Buffer.from(await file.arrayBuffer()));
return c.json({ url: `/images/${name}` });
const buffer = Buffer.from(await file.arrayBuffer());
const ext = path.extname(file.name || '').toLowerCase();
const base = `${safeBase(file.name)}-${uid()}`;
let outName, outBuf;
if (PASSTHROUGH.has(ext)) {
outName = `${base}${ext}`;
outBuf = buffer;
} else {
outName = `${base}.webp`;
outBuf = await sharp(buffer)
.rotate()
.resize({ width: 2000, withoutEnlargement: true })
.webp({ quality: 82 })
.toBuffer();
}
await writeFile(path.join(dir, outName), outBuf);
return c.json({ url: `/images/${outName}` });
});
// Sicherer Dateiname: nur basename, kleingeschrieben, ohne Pfad/Sonderzeichen.
function safeName(raw) {
const base = path.basename(String(raw || 'bild'));
const cleaned = base
.toLowerCase()
.replace(/[^a-z0-9._-]+/g, '-')
.replace(/^-+|-+$/g, '');
// Sicherer Basisname ohne Endung.
function safeBase(raw) {
const base = path.basename(String(raw || 'bild')).replace(/\.[^.]+$/, '');
const cleaned = base.toLowerCase().replace(/[^a-z0-9._-]+/g, '-').replace(/^-+|-+$/g, '');
return cleaned || 'bild';
}
// Kurze eindeutige Endung, damit gleichnamige Uploads nicht kollidieren.
function uid() {
return Date.now().toString(36).slice(-4) + Math.random().toString(36).slice(2, 5);
}
export default upload;