Added archive validation for all available algorithms in hashlib.

src/poetry/installation/executor.py

@@ -31,6 +31,7 @@
 from poetry.utils.env import EnvCommandError
 from poetry.utils.helpers import Downloader
 from poetry.utils.helpers import get_file_hash
+from poetry.utils.helpers import get_highest_priority_hash_type
 from poetry.utils.helpers import pluralize
 from poetry.utils.helpers import remove_directory
 from poetry.utils.pip import pip_install
@@ -792,8 +793,17 @@ def _populate_hashes_dict(self, archive: Path, package: Package) -> None:
 
     @staticmethod
     def _validate_archive_hash(archive: Path, package: Package) -> str:
-        archive_hash: str = "sha256:" + get_file_hash(archive)
         known_hashes = {f["hash"] for f in package.files if f["file"] == archive.name}
+        hash_types = {t.split(":")[0] for t in known_hashes}
+        hash_type = get_highest_priority_hash_type(hash_types, archive.name)
+
+        if hash_type is None:
+            raise RuntimeError(
+                f"No usable hash type(s) for {package} from archive"
+                f" {archive.name} found (known hashes: {known_hashes!s})"
+            )
+
+        archive_hash = f"{hash_type}:{get_file_hash(archive, hash_type)}"
 
         if archive_hash not in known_hashes:
             raise RuntimeError(

src/poetry/utils/helpers.py

@@ -2,6 +2,7 @@
 
 import hashlib
 import io
+import logging
 import os
 import shutil
 import stat
@@ -36,6 +37,29 @@
 
     from poetry.utils.authenticator import Authenticator
 
+logger = logging.getLogger(__name__)
+prioritised_hash_types: tuple[str, ...] = tuple(
+    t
+    for t in [
+        "sha3_512",
+        "sha3_384",
+        "sha3_256",
+        "sha3_224",
+        "sha512",
+        "sha384",
+        "sha256",
+        "sha224",
+        "shake_256",
+        "shake_128",
+        "blake2s",
+        "blake2b",
+    ]
+    if t in hashlib.algorithms_available
+)
+non_prioritised_available_hash_types: frozenset[str] = frozenset(
+    set(hashlib.algorithms_available).difference(prioritised_hash_types)
+)
+
 
 @contextmanager
 def directory(path: Path) -> Iterator[Path]:
@@ -295,6 +319,28 @@ def get_file_hash(path: Path, hash_name: str = "sha256") -> str:
     return h.hexdigest()
 
 
+def get_highest_priority_hash_type(
+    hash_types: set[str], archive_name: str
+) -> str | None:
+    if not hash_types:
+        return None
+
+    for prioritised_hash_type in prioritised_hash_types:
+        if prioritised_hash_type in hash_types:
+            return prioritised_hash_type
+
+    logger.debug(
+        f"There are no known hash types for {archive_name} that are prioritised (known"
+        f" hash types: {hash_types!s})"
+    )
+
+    for available_hash_type in non_prioritised_available_hash_types:
+        if available_hash_type in hash_types:
+            return available_hash_type
+
+    return None
+
+
 def extractall(source: Path, dest: Path, zip: bool) -> None:
     """Extract all members from either a zip or tar archive."""
     if zip:

tests/installation/test_executor.py

@@ -1456,3 +1456,124 @@ def test_other_error(
     output = io.fetch_output().strip()
     assert output.startswith(expected_start)
     assert output.endswith(expected_end)
+
+
+@pytest.mark.parametrize(
+    "package_files,expected_url_reference",
+    [
+        (
+            [
+                {
+                    "file": "demo-0.1.0.tar.gz",
+                    "hash": "sha512:766ecf369b6bdf801f6f7bbfe23923cc9793d633a55619472cd3d5763f9154711fbf57c8b6ca74e4a82fa9bd8380af831e7b8668e68e362669fc60b1d81d79ad",
+                },
+                {
+                    "file": "demo-0.1.0.tar.gz",
+                    "hash": "md5:d1912c917363a64e127318655f7d1fe7",
+                },
+                {
+                    "file": "demo-0.1.0.whl",
+                    "hash": "sha256:70e704135718fffbcbf61ed1fc45933cfd86951a744b681000eaaa75da31f17a",
+                },
+            ],
+            {
+                "archive_info": {
+                    "hashes": {
+                        "sha512": "766ecf369b6bdf801f6f7bbfe23923cc9793d633a55619472cd3d5763f9154711fbf57c8b6ca74e4a82fa9bd8380af831e7b8668e68e362669fc60b1d81d79ad"
+                    },
+                },
+            },
+        ),
+        (
+            [{
+                "file": "demo-0.1.0.tar.gz",
+                "hash": "md5:d1912c917363a64e127318655f7d1fe7",
+            }],
+            {
+                "archive_info": {
+                    "hashes": {"md5": "d1912c917363a64e127318655f7d1fe7"},
+                },
+            },
+        ),
+        (
+            [
+                {
+                    "file": "demo-0.1.0.tar.gz",
+                    "hash": "sha3_512:196f4af9099185054ed72ca1d4c57707da5d724df0af7c3dfcc0fd018b0e0533908e790a291600c7d196fe4411b4f5f6db45213fe6e5cd5512bf18b2e9eff728",
+                },
+                {
+                    "file": "demo-0.1.0.tar.gz",
+                    "hash": "sha512:766ecf369b6bdf801f6f7bbfe23923cc9793d633a55619472cd3d5763f9154711fbf57c8b6ca74e4a82fa9bd8380af831e7b8668e68e362669fc60b1d81d79ad",
+                },
+                {
+                    "file": "demo-0.1.0.tar.gz",
+                    "hash": "md5:d1912c917363a64e127318655f7d1fe7",
+                },
+                {
+                    "file": "demo-0.1.0.whl",
+                    "hash": "sha256:70e704135718fffbcbf61ed1fc45933cfd86951a744b681000eaaa75da31f17a",
+                },
+            ],
+            {
+                "archive_info": {
+                    "hashes": {
+                        "sha3_512": "196f4af9099185054ed72ca1d4c57707da5d724df0af7c3dfcc0fd018b0e0533908e790a291600c7d196fe4411b4f5f6db45213fe6e5cd5512bf18b2e9eff728"
+                    },
+                },
+            },
+        ),
+    ],
+)
+def test_executor_known_hashes(
+    package_files: list[dict[str, str]],
+    expected_url_reference: dict[str, Any],
+    tmp_venv: VirtualEnv,
+    pool: RepositoryPool,
+    config: Config,
+    io: BufferedIO,
+    fixture_dir: FixtureDirGetter,
+) -> None:
+    package_source_url: Path = (
+        fixture_dir("distributions") / "demo-0.1.0.tar.gz"
+    ).resolve()
+    package = Package(
+        "demo", "0.1.0", source_type="file", source_url=package_source_url.as_posix()
+    )
+    package.files = package_files
+    executor = Executor(tmp_venv, pool, config, io)
+    executor.execute([Install(package)])
+    expected_url_reference["url"] = package_source_url.as_uri()
+    verify_installed_distribution(tmp_venv, package, expected_url_reference)
+
+
+def test_executor_no_supported_hash_types(
+    tmp_venv: VirtualEnv,
+    pool: RepositoryPool,
+    config: Config,
+    io: BufferedIO,
+    fixture_dir: FixtureDirGetter,
+) -> None:
+    url = (fixture_dir("distributions") / "demo-0.1.0.tar.gz").resolve()
+    package = Package("demo", "0.1.0", source_type="file", source_url=url.as_posix())
+    # Set package.files so the executor will attempt to hash the package
+    package.files = [
+        {
+            "file": "demo-0.1.0.tar.gz",
+            "hash": "hash_blah:1234567890abcdefghijklmnopqrstyzwxyz",
+        },
+        {
+            "file": "demo-0.1.0.whl",
+            "hash": "sha256:70e704135718fffbcbf61ed1fc45933cfd86951a744b681000eaaa75da31f17a",
+        },
+    ]
+
+    executor = Executor(tmp_venv, pool, config, io)
+    return_code = executor.execute([Install(package)])
+    distributions = list(tmp_venv.site_packages.distributions(name=package.name))
+    assert len(distributions) == 0
+
+    output = io.fetch_output()
+    error = io.fetch_error()
+    assert return_code == 1, f"\noutput: {output}\nerror: {error}\n"
+    assert "No usable hash type(s) for demo" in output
+    assert "hash_blah:1234567890abcdefghijklmnopqrstyzwxyz" in output

tests/utils/test_helpers.py

@@ -8,6 +8,7 @@
 
 from poetry.utils.helpers import download_file
 from poetry.utils.helpers import get_file_hash
+from poetry.utils.helpers import get_highest_priority_hash_type
 
 
 if TYPE_CHECKING:
@@ -139,3 +140,16 @@ def test_download_file(
     expect_sha_256 = "9fa123ad707a5c6c944743bf3e11a0e80d86cb518d3cf25320866ca3ef43e2ad"
     assert get_file_hash(dest) == expect_sha_256
     assert http.last_request().headers["Accept-Encoding"] == "Identity"
+
+
+@pytest.mark.parametrize(
+    "hash_types,expected",
+    [
+        (("sha512", "sha3_512", "md5"), "sha3_512"),
+        ("md5", "md5"),
+        (("blah", "blah_blah"), None),
+        ((), None),
+    ],
+)
+def test_highest_priority_hash_type(hash_types: set[str], expected: str | None) -> None:
+    assert get_highest_priority_hash_type(hash_types, "Blah") == expected