diff --git a/Cargo.lock b/Cargo.lock
index 8200336..91afc04 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,12 @@ version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
 
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aead"
 version = "0.5.1"
@@ -170,6 +176,23 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "async-compression"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "942c7cd7ae39e91bde4820d74132e9862e62c2f386c3aa90ccf55949f5bad63a"
+dependencies = [
+ "bzip2",
+ "flate2",
+ "futures-core",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+ "xz2",
+ "zstd",
+ "zstd-safe",
+]
+
 [[package]]
 name = "async-stream"
 version = "0.3.3"
@@ -212,6 +235,29 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "async_io_utilities"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b20cffc5590f4bf33f05f97a3ea587feba9c50d20325b401daa096b92ff7da0"
+dependencies = [
+ "tokio",
+]
+
+[[package]]
+name = "async_zip"
+version = "0.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a36d43bdefc7215b2b3a97edd03b1553b7969ad76551025eedd3b913c645f6e"
+dependencies = [
+ "async-compression",
+ "async_io_utilities",
+ "chrono",
+ "crc32fast",
+ "thiserror",
+ "tokio",
+]
+
 [[package]]
 name = "atoi"
 version = "1.0.0"
@@ -326,11 +372,35 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
 
+[[package]]
+name = "bzip2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6afcd980b5f3a45017c57e57a2fcccbb351cc43a356ce117ef760ef8052b89b0"
+dependencies = [
+ "bzip2-sys",
+ "libc",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.11+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "581f5dba903aac52ea3feb5ec4810848460ee833876f1f9b0fdeab1f19091574"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfb"
@@ -536,6 +606,15 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d0165d2900ae6778e36e80bbc4da3b5eefccee9ba939761f9c2882a5d9af3ff"
 
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-queue"
 version = "0.3.6"
@@ -794,6 +873,16 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "flate2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fluent"
 version = "0.16.0"
@@ -1373,6 +1462,15 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
 
+[[package]]
+name = "jobserver"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.60"
@@ -1448,6 +1546,17 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "lzma-sys"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "matchers"
 version = "0.1.0"
@@ -1484,6 +1593,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96590ba8f175222643a85693f33d26e9c8a015f599c216509b1a6894af675d34"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.5"
@@ -1896,6 +2014,7 @@ dependencies = [
  "argon2",
  "async-compat",
  "async-tempfile",
+ "async_zip",
  "base64",
  "chrono",
  "dotenv",
@@ -3552,6 +3671,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "xz2"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2"
+dependencies = [
+ "lzma-sys",
+]
+
 [[package]]
 name = "yansi"
 version = "0.5.1"
@@ -3578,3 +3706,32 @@ dependencies = [
  "syn",
  "synstructure",
 ]
+
+[[package]]
+name = "zstd"
+version = "0.11.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "5.0.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.1+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fd07cbbc53846d9145dbffdf6dd09a7a0aa52be46741825f5c97bdd4f73f12b"
+dependencies = [
+ "cc",
+ "libc",
+]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 6ebc7c8..bf6c2ac 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -27,6 +27,8 @@ async-compat = "^0.2"
 # file identifier
 infer = "^0.11"
 
+async_zip = "0.0.9"
+
 # crypto
 rand = "^0.8"
 aes-gcm-siv = { version = "^0.11", features = ["std"] }