Add proper tar.gz support

Cargo.lock

@@ -295,9 +295,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.0.6"
+version = "3.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1957aa4a5fb388f0a0a73ce7556c5b42025b874e5cdc2c670775e346e97adec0"
+checksum = "12e8611f9ae4e068fa3e56931fded356ff745e70987ff76924a6e0ab1c8ef2e3"
 dependencies = [
  "atty",
  "bitflags",
@@ -390,6 +390,18 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "filetime"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "975ccf83d8d9d0d84682850a38c8169027be83368805971cc4f238c2b245bc98"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "winapi",
+]
+
 [[package]]
 name = "fixedbitset"
 version = "0.4.1"
@@ -525,9 +537,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -767,9 +779,9 @@ checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
 [[package]]
 name = "libloading"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afe203d669ec979b7128619bae5a63b7b42e9203c1b29146079ee05e2f604b52"
+checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd"
 dependencies = [
  "cfg-if",
  "winapi",
@@ -1013,6 +1025,7 @@ dependencies = [
  "byte-unit",
  "bytes",
  "console_error_panic_hook",
+ "flate2",
  "getrandom",
  "gloo-console",
  "http",
@@ -1020,6 +1033,7 @@ dependencies = [
  "omegaupload-common 0.1.0",
  "reqwasm",
  "serde",
+ "tar",
  "tree_magic_mini",
  "wasm-bindgen",
  "wasm-bindgen-futures",
@@ -1212,6 +1226,15 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.5.4"
@@ -1400,9 +1423,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.74"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2bb9cd061c5865d345bb02ca49fcef1391741b672b54a0bf7b679badec3142"
+checksum = "c059c05b48c5c0067d4b4b2b4f0732dd65feb52daf7e0ea09cd87e7dadc1af79"
 dependencies = [
  "itoa 1.0.1",
  "ryu",
@@ -1488,9 +1511,9 @@ checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
 
 [[package]]
 name = "smallvec"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "socket2"
@@ -1537,6 +1560,17 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8"
 
+[[package]]
+name = "tar"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b55807c0344e1e6c04d7c965f5289c39a8d94ae23ed5c0b57aabac549f871c6"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.2"
@@ -2040,6 +2074,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "xattr"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.4.3"

web/Cargo.toml

@@ -23,6 +23,8 @@ serde = { version = "1.0", features = ["derive"] }
 wasm-bindgen = { version = "0.2", features = ["serde-serialize"]}
 wasm-bindgen-futures = "0.4"
 zip = { version = "0.5", default-features = false, features = ["deflate"] }
+flate2 = "1.0.22"
+tar = "0.4.38"
 
 [dependencies.web-sys]
 version = "0.3"

web/src/decrypt.rs

@@ -111,7 +111,32 @@ pub fn decrypt(
             entries.sort_by(|a, b| a.name.cmp(&b.name));
             DecryptedData::Archive(blob, entries)
         }
-        ContentType::GzipArchive => DecryptedData::Archive(blob, vec![]),
+        ContentType::GzipArchive => {
+            let mut entries = vec![];
+            let cursor = Cursor::new(container);
+            let gzip_dec = flate2::read::GzDecoder::new(cursor);
+            let mut archive = tar::Archive::new(gzip_dec);
+            if let Ok(files) = archive.entries() {
+                for file in files {
+                    if let Ok(file) = file {
+                        let file_path = if let Ok(file_path) = file.path() {
+                            file_path.display().to_string()
+                        } else {
+                            "<Invalid utf-8 path>".to_string()
+                        };
+                        entries.push(ArchiveMeta {
+                            name: file_path,
+                            file_size: file.size(),
+                        });
+                    }
+                }
+            }
+            if entries.len() > 0 {
+                DecryptedData::Archive(blob, entries)
+            } else {
+                DecryptedData::Blob(blob)
+            }
+        },
         ContentType::Unknown => DecryptedData::Blob(blob),
     };