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duckdb.patch
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diff --git a/src/function/table/system/test_all_types.cpp b/src/function/table/system/test_all_types.cpp
index a0b856266c..753fd6323b 100644
--- a/src/function/table/system/test_all_types.cpp
+++ b/src/function/table/system/test_all_types.cpp
@@ -204,13 +204,14 @@ vector<TestType> TestAllTypesFun::GetTestTypes(bool use_large_enum) {
auto max_map_value = Value::MAP(ListType::GetChildType(map_type), map_values);
result.emplace_back(map_type, "map", std::move(min_map_value), std::move(max_map_value));
+#if 0
// union
child_list_t<LogicalType> members = {{"name", LogicalType::VARCHAR}, {"age", LogicalType::SMALLINT}};
auto union_type = LogicalType::UNION(members);
const Value &min = Value::UNION(members, 0, Value("Frank"));
const Value &max = Value::UNION(members, 1, Value::SMALLINT(5));
result.emplace_back(union_type, "union", min, max);
-
+#endif
return result;
}
diff --git a/src/main/extension/extension_load.cpp b/src/main/extension/extension_load.cpp
index 80d24c2982..61d9e00c1a 100644
--- a/src/main/extension/extension_load.cpp
+++ b/src/main/extension/extension_load.cpp
@@ -109,6 +109,7 @@ bool ExtensionHelper::TryInitialLoad(DBConfig &config, FileSystem &fs, const str
filename = fs.JoinPath(local_path, extension_name + ".duckdb_extension");
#endif
}
+#ifndef WASM_LOADABLE_EXTENSIONS
if (!fs.FileExists(filename)) {
string message;
bool exact_match = ExtensionHelper::CreateSuggestions(extension, message);
@@ -118,6 +119,179 @@ bool ExtensionHelper::TryInitialLoad(DBConfig &config, FileSystem &fs, const str
error = StringUtil::Format("Extension \"%s\" not found.\n%s", filename, message);
return false;
}
+#endif
+#ifdef WASM_LOADABLE_EXTENSIONS
+ auto basename = fs.ExtractBaseName(filename);
+ char *exe = NULL;
+ exe = (char *)EM_ASM_PTR(
+ {
+ // Next few lines should argubly in separate JavaScript-land function call
+ // TODO: move them out / have them configurable
+
+var url =(UTF8ToString($0));
+ if (typeof XMLHttpRequest === "undefined") {
+ const os = require('os');
+ const path = require('path');
+ const fs = require('fs');
+
+ var array = url.split("/");
+ var l = array.length;
+
+ var folder = path.join(os.homedir(), ".duckdb/extensions/" + array[l - 4] + "/" + array[l - 3] + "/" + array[l - 2] + "/");
+ var filePath = path.join(folder, array[l - 1]);
+
+ try {
+ if (!fs.existsSync(folder)) {
+ fs.mkdirSync(folder, {
+ recursive: true
+ });
+ }
+
+ if (!fs.existsSync(filePath)) {
+ const int32 = new Int32Array(new SharedArrayBuffer(8));
+var Worker = require('node:worker_threads').Worker;
+ var worker = new Worker("const {Worker,isMainThread,parentPort,workerData,} = require('node:worker_threads');var times = 0;var SAB = 23;var Z = 0;async function ZZZ(e) {var x = await fetch(e);var res = await x.arrayBuffer();Atomics.store(SAB, 1, res.byteLength);Atomics.store(SAB, 0, 1);Atomics.notify(SAB, 1);Atomics.notify(SAB, 0);Z = res;};parentPort.on('message', function(event) {if (times == 0) {times++;SAB = event;} else if (times == 1) {times++;ZZZ(event);} else {const a = new Uint8Array(Z);const b = new Uint8Array(event.buffer);var K = Z.byteLength;for (var i = 0; i < K; i++) {b[i] = a[i];}Atomics.notify(event, 0);Atomics.store(SAB, 0, 2);Atomics.notify(SAB, 0);}});", {
+ eval: true
+ });
+ var uInt8Array;
+
+ int32[0] = 0;
+ int32[2] = 4;
+ worker.postMessage(int32);
+
+ worker.postMessage(url);
+ Atomics.wait(int32, 0, 0);
+
+ const int32_2 = new Int32Array(new SharedArrayBuffer(int32[1] + 3 - ((int32[1] + 3) % 4)));
+ worker.postMessage(int32_2);
+
+ Atomics.wait(int32, 0, 1);
+
+ var x = new Uint8Array(int32_2.buffer, 0, int32[1]);
+ uInt8Array = x;
+ worker.terminate();
+ fs.writeFileSync(filePath, uInt8Array);
+
+ } else {
+ uInt8Array = fs.readFileSync(filePath);
+ }
+ } catch (e) {
+ console.log("Error fetching module", e);
+ return 0;
+ }
+ } else {
+ const xhr = new XMLHttpRequest();
+ xhr.open("GET", url, false);
+ xhr.responseType = "arraybuffer";
+ xhr.send(null);
+ if (xhr.status != 200)
+ return 0;
+ uInt8Array = xhr.response;
+ }
+
+ var valid = WebAssembly.validate(uInt8Array);
+ var len = uInt8Array.byteLength;
+ var fileOnWasmHeap = _malloc(len + 4);
+
+ var properArray = new Uint8Array(uInt8Array);
+
+ for (var iii = 0; iii < len; iii++) {
+ Module.HEAPU8[iii + fileOnWasmHeap + 4] = properArray[iii];
+ }
+ var LEN123 = new Uint8Array(4);
+ LEN123[0] = len % 256;
+ len -= LEN123[0];
+ len /= 256;
+ LEN123[1] = len % 256;
+ len -= LEN123[1];
+ len /= 256;
+ LEN123[2] = len % 256;
+ len -= LEN123[2];
+ len /= 256;
+ LEN123[3] = len % 256;
+ len -= LEN123[3];
+ len /= 256;
+ Module.HEAPU8.set(LEN123, fileOnWasmHeap);
+ //console.log(LEN123);
+ //console.log(properArray);
+ //console.log(new Uint8Array(Module.HEAPU8, fileOnWasmHeap, len+4));
+ console.log('Loading extension ', UTF8ToString($1));
+
+ // Here we add the uInt8Array to Emscripten's filesystem, for it to be found by dlopen
+ FS.writeFile(UTF8ToString($1), new Uint8Array(uInt8Array));
+ return fileOnWasmHeap;
+ },
+ filename.c_str(), basename.c_str());
+ if (!exe) {
+ throw IOException("Extension %s is not available", filename);
+ }
+
+ auto dopen_from = basename;
+ if (!config.options.allow_unsigned_extensions) {
+ // signature is the last 256 bytes of the file
+
+ string signature;
+ signature.resize(256);
+
+ D_ASSERT(exe);
+ uint64_t LEN = 0;
+ LEN *= 256;
+ LEN += ((uint8_t *)exe)[3];
+ LEN *= 256;
+ LEN += ((uint8_t *)exe)[2];
+ LEN *= 256;
+ LEN += ((uint8_t *)exe)[1];
+ LEN *= 256;
+ LEN += ((uint8_t *)exe)[0];
+ auto signature_offset = LEN - signature.size();
+
+ const idx_t maxLenChunks = 1024ULL * 1024ULL;
+ const idx_t numChunks = (signature_offset + maxLenChunks - 1) / maxLenChunks;
+ std::vector<std::string> hash_chunks(numChunks);
+ std::vector<idx_t> splits(numChunks + 1);
+
+ for (idx_t i = 0; i < numChunks; i++) {
+ splits[i] = maxLenChunks * i;
+ }
+ splits.back() = signature_offset;
+
+ for (idx_t i = 0; i < numChunks; i++) {
+ string x;
+ x.resize(splits[i + 1] - splits[i]);
+ for (idx_t j = 0; j < x.size(); j++) {
+ x[j] = ((uint8_t *)exe)[j + 4 + splits[i]];
+ }
+ ComputeSHA256String(x, &hash_chunks[i]);
+ }
+
+ string hash_concatenation;
+ hash_concatenation.reserve(32 * numChunks); // 256 bits -> 32 bytes per chunk
+
+ for (auto &hash_chunk : hash_chunks) {
+ hash_concatenation += hash_chunk;
+ }
+
+ string two_level_hash;
+ ComputeSHA256String(hash_concatenation, &two_level_hash);
+
+ for (idx_t j = 0; j < signature.size(); j++) {
+ signature[j] = ((uint8_t *)exe)[4 + signature_offset + j];
+ }
+ bool any_valid = false;
+ for (auto &key : ExtensionHelper::GetPublicKeys()) {
+ if (duckdb_mbedtls::MbedTlsWrapper::IsValidSha256Signature(key, signature, two_level_hash)) {
+ any_valid = true;
+ break;
+ }
+ }
+ if (!any_valid) {
+ throw IOException(config.error_manager->FormatException(ErrorType::UNSIGNED_EXTENSION, filename));
+ }
+ }
+ if (exe) {
+ free(exe);
+ }
+#else
if (!config.options.allow_unsigned_extensions) {
auto handle = fs.OpenFile(filename, FileFlags::FILE_FLAGS_READ);
@@ -180,25 +354,6 @@ bool ExtensionHelper::TryInitialLoad(DBConfig &config, FileSystem &fs, const str
}
auto basename = fs.ExtractBaseName(filename);
-#ifdef WASM_LOADABLE_EXTENSIONS
- EM_ASM(
- {
- // Next few lines should argubly in separate JavaScript-land function call
- // TODO: move them out / have them configurable
- const xhr = new XMLHttpRequest();
- xhr.open("GET", UTF8ToString($0), false);
- xhr.responseType = "arraybuffer";
- xhr.send(null);
- var uInt8Array = xhr.response;
- WebAssembly.validate(uInt8Array);
- console.log('Loading extension ', UTF8ToString($1));
-
- // Here we add the uInt8Array to Emscripten's filesystem, for it to be found by dlopen
- FS.writeFile(UTF8ToString($1), new Uint8Array(uInt8Array));
- },
- filename.c_str(), basename.c_str());
- auto dopen_from = basename;
-#else
auto dopen_from = filename;
#endif