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nixos/nextcloud: fixup openssl compat change
Upon testing the change itself I realized that it doesn't build properly
because
* the `pname` of a php extension is `php-<name>`, not `<name>`.
* calling the extension `openssl-legacy` resulted in PHP trying to compile
`ext/openssl-legacy` which broke since it doesn't exist:
source root is php-8.1.12
setting SOURCE_DATE_EPOCH to timestamp 1666719000 of file php-8.1.12/win32/wsyslog.c
patching sources
cdToExtensionRootPhase
/nix/store/48mnkga4kh84xyiqwzx8v7iv090i7z66-stdenv-linux/setup: line 1399: cd: ext/openssl-legacy: No such file or directory
I didn't encounter that one before because I was mostly interested in
having a sane behavior for everyone not using this "feature" and the
documentation around this. My findings about the behavior with turning
openssl1.1 on/off are still valid because I tested this on `master` with
manually replacing `openssl` by `openssl_1_1` in `php-packages.nix`.
To work around the issue I had to slightly modify the extension
build-system for PHP:
* The attribute `extensionName` is now relevant to determine the output
paths (e.g. `lib/openssl.so`). This is not a behavioral change for
existing extensions because then `extensionName==name`.
However when specifying `extName` in `php-packages.nix` this value is
overridden and it is made sure that the extension called `extName` NOT
`name` (i.e. `openssl` vs `openssl-legacy`) is built and installed.
The `name` still has to be kept to keep the legacy openssl available
as `php.extensions.openssl-legacy`.
Additionally I implemented a small VM test to check the behavior with
server-side encryption:
* For `stateVersion` below 22.11, OpenSSL 1.1 is used (in `basic.nix`
it's checked that OpenSSL 3 is used). With that the "default"
behavior of the module is checked.
* It is ensured that the PHP interpreter for Nextcloud's php-fpm
actually loads the correct openssl extension.
* It is tested that (encrypted) files remain usable when (temporarily)
installing OpenSSL3 (of course then they're not decryptable, but on a
rollback that should still be possible).
Finally, a few more documentation changes:
* I also mentioned the issue in `nextcloud.xml` to make sure the issue
is at least mentioned in the manual section about Nextcloud. Not too
much detail here, but the relevant option `enableBrokenCiphersForSSE`
is referenced.
* I fixed a few minor wording issues to also give the full context
(we're talking about Nextcloud; we're talking about the PHP extension
**only**; please check if you really need this even though it's
enabled by default).
This is because I felt that sometimes it might be hard to understand
what's going on when e.g. an eval-warning appears without telling where
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| args@{ pkgs, nextcloudVersion ? 25, ... }: | ||
|
|
||
| (import ../make-test-python.nix ({ pkgs, ...}: let | ||
| adminuser = "root"; | ||
| adminpass = "notproduction"; | ||
| nextcloudBase = { | ||
| networking.firewall.allowedTCPPorts = [ 80 ]; | ||
| system.stateVersion = "22.05"; # stateVersions <22.11 use openssl 1.1 by default | ||
| services.nextcloud = { | ||
| enable = true; | ||
| config.adminpassFile = "${pkgs.writeText "adminpass" adminpass}"; | ||
| package = pkgs.${"nextcloud" + (toString nextcloudVersion)}; | ||
| }; | ||
| }; | ||
| in { | ||
| name = "nextcloud-openssl"; | ||
| meta = with pkgs.lib.maintainers; { | ||
| maintainers = [ ma27 ]; | ||
| }; | ||
| nodes.nextcloudwithopenssl1 = { | ||
| imports = [ nextcloudBase ]; | ||
| services.nextcloud.hostName = "nextcloudwithopenssl1"; | ||
| }; | ||
| nodes.nextcloudwithopenssl3 = { | ||
| imports = [ nextcloudBase ]; | ||
| services.nextcloud = { | ||
| hostName = "nextcloudwithopenssl3"; | ||
| enableBrokenCiphersForSSE = false; | ||
| }; | ||
| }; | ||
| testScript = { nodes, ... }: let | ||
| withRcloneEnv = host: pkgs.writeScript "with-rclone-env" '' | ||
| #!${pkgs.runtimeShell} | ||
| export RCLONE_CONFIG_NEXTCLOUD_TYPE=webdav | ||
| export RCLONE_CONFIG_NEXTCLOUD_URL="http://${host}/remote.php/webdav/" | ||
| export RCLONE_CONFIG_NEXTCLOUD_VENDOR="nextcloud" | ||
| export RCLONE_CONFIG_NEXTCLOUD_USER="${adminuser}" | ||
| export RCLONE_CONFIG_NEXTCLOUD_PASS="$(${pkgs.rclone}/bin/rclone obscure ${adminpass})" | ||
| "''${@}" | ||
| ''; | ||
| withRcloneEnv1 = withRcloneEnv "nextcloudwithopenssl1"; | ||
| withRcloneEnv3 = withRcloneEnv "nextcloudwithopenssl3"; | ||
| copySharedFile1 = pkgs.writeScript "copy-shared-file" '' | ||
| #!${pkgs.runtimeShell} | ||
| echo 'hi' | ${withRcloneEnv1} ${pkgs.rclone}/bin/rclone rcat nextcloud:test-shared-file | ||
| ''; | ||
| copySharedFile3 = pkgs.writeScript "copy-shared-file" '' | ||
| #!${pkgs.runtimeShell} | ||
| echo 'bye' | ${withRcloneEnv3} ${pkgs.rclone}/bin/rclone rcat nextcloud:test-shared-file2 | ||
| ''; | ||
| openssl1-node = nodes.nextcloudwithopenssl1.config.system.build.toplevel; | ||
| openssl3-node = nodes.nextcloudwithopenssl3.config.system.build.toplevel; | ||
| in '' | ||
| nextcloudwithopenssl1.start() | ||
| nextcloudwithopenssl1.wait_for_unit("multi-user.target") | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ status") | ||
| nextcloudwithopenssl1.succeed("curl -sSf http://nextcloudwithopenssl1/login") | ||
| with subtest("With OpenSSL 1 SSE can be enabled and used"): | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ app:enable encryption") | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ encryption:enable") | ||
| with subtest("Upload file and ensure it's encrypted"): | ||
| nextcloudwithopenssl1.succeed("${copySharedFile1}") | ||
| nextcloudwithopenssl1.succeed("grep -E '^HBEGIN:oc_encryption_module' /var/lib/nextcloud/data/root/files/test-shared-file") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv1} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file | grep hi") | ||
| with subtest("Switch to OpenSSL 3"): | ||
| nextcloudwithopenssl1.succeed("${openssl3-node}/bin/switch-to-configuration test") | ||
| nextcloudwithopenssl1.wait_for_open_port(80) | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ status") | ||
| with subtest("Existing encrypted files cannot be read, but new files can be added"): | ||
| nextcloudwithopenssl1.fail("${withRcloneEnv3} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file >&2") | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ encryption:disable") | ||
| nextcloudwithopenssl1.succeed("${copySharedFile3}") | ||
| nextcloudwithopenssl1.succeed("grep bye /var/lib/nextcloud/data/root/files/test-shared-file2") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv3} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file2 | grep bye") | ||
| with subtest("Switch back to OpenSSL 1.1 and ensure that encrypted files are readable again"): | ||
| nextcloudwithopenssl1.succeed("${openssl1-node}/bin/switch-to-configuration test") | ||
| nextcloudwithopenssl1.wait_for_open_port(80) | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ status") | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ encryption:enable") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv1} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file2 | grep bye") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv1} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file | grep hi") | ||
| nextcloudwithopenssl1.succeed("grep -E '^HBEGIN:oc_encryption_module' /var/lib/nextcloud/data/root/files/test-shared-file") | ||
| nextcloudwithopenssl1.succeed("grep bye /var/lib/nextcloud/data/root/files/test-shared-file2") | ||
| with subtest("Ensure that everything can be decrypted"): | ||
| nextcloudwithopenssl1.succeed("echo y | nextcloud-occ encryption:decrypt-all >&2") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv1} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file2 | grep bye") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv1} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file | grep hi") | ||
| nextcloudwithopenssl1.succeed("grep -vE '^HBEGIN:oc_encryption_module' /var/lib/nextcloud/data/root/files/test-shared-file") | ||
| with subtest("Switch to OpenSSL 3 ensure that all files are usable now"): | ||
| nextcloudwithopenssl1.succeed("${openssl3-node}/bin/switch-to-configuration test") | ||
| nextcloudwithopenssl1.wait_for_open_port(80) | ||
| nextcloudwithopenssl1.succeed("nextcloud-occ status") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv3} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file2 | grep bye") | ||
| nextcloudwithopenssl1.succeed("${withRcloneEnv3} ${pkgs.rclone}/bin/rclone cat nextcloud:test-shared-file | grep hi") | ||
| nextcloudwithopenssl1.shutdown() | ||
| ''; | ||
| })) args |
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