Ishan Das Sharma

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Jan 14, 2026 How to Generate Presigned URLs for R2 When Using Cloudflare Workers (And Make Sure They Actually Work)

ishan@web ~ %

o        8                   ooo.                 .oPYo. 8
8        8                   8  `8.               8      8
8 .oPYo. 8oPYo. .oPYo. odYo. 8   `8 .oPYo. .oPYo. `Yooo. 8oPYo. .oPYo. oPYo. ooYoYo. .oPYo.
8 Yb..   8    8 .oooo8 8' `8 8    8 .oooo8 Yb..       `8 8    8 .oooo8 8  `' 8' 8  8 .oooo8
8   'Yb. 8    8 8    8 8   8 8   .P 8    8   'Yb.      8 8    8 8    8 8     8  8  8 8    8
8 `YooP' 8    8 `YooP8 8   8 8ooo'  `YooP8 `YooP' `YooP' 8    8 `YooP8 8     8  8  8 `YooP8
..:.....:..:::..:.....:..::.......:::.....::.....::.....:..:::..:.....:..::::..:..:..:.....:
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