From 0016aaa197697ec5ff38dfb3f63ac8b6f74b48e0 Mon Sep 17 00:00:00 2001 From: Nathan Reiner Date: Sat, 15 Nov 2025 15:12:19 +0100 Subject: backend: add image upload --- src/storage/image.zig | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/storage/image.zig (limited to 'src/storage/image.zig') diff --git a/src/storage/image.zig b/src/storage/image.zig new file mode 100644 index 0000000..73bca84 --- /dev/null +++ b/src/storage/image.zig @@ -0,0 +1,39 @@ +const std = @import("std"); +const Storage = @import("root.zig"); + +const id_size = 32; + +fn new_id() [id_size]u8 { + var buffer: [id_size]u8 = undefined; + var raw_buffer: [id_size / 2]u8 = undefined; + std.crypto.random.bytes(&raw_buffer); + + var writer = std.Io.Writer.fixed(buffer[0..]); + writer.print("{x}", .{raw_buffer}) catch unreachable; + + return buffer[0..].*; +} + +pub fn new( + storage: *Storage, + reader: *std.Io.Reader, + size: usize, +) !void { + var dir = storage.dir.openDir("image", .{}) catch blk: { + try storage.dir.makeDir("image"); + break :blk try storage.dir.openDir("image", .{}); + }; + defer dir.close(); + + var file_name: [id_size+4]u8 = undefined; + @memcpy(file_name[0..id_size], &new_id()); + @memcpy(file_name[id_size..], ".jpg"); + + var file = try dir.createFile(&file_name, .{}); + defer file.close(); + + var buffer: [1024]u8 = undefined; + var file_writer = file.writer(&buffer); + + try reader.streamExact(&file_writer.interface, size); +} -- cgit v1.2.3-70-g09d2