multi sign: add test

system/files/aptly-dual.pub

@@ -0,0 +1,29 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQGiBFL7pY8RBAC5uHg/9AuGJ7EF7RYty89IDLeqvlPe710eDQpJ+itsOaA/5rr3
+IV1LMlqHpM2rkZkAPpARwjrga2ByJ1ww77Zq2uPqJIO2LZYWTLXic9Zity2OVu3Z
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+kIMn2qI5TqZgzrnPt7SN16VvpMppPb2H0m0P6knQKQD8DHcLcrqAl2cjcEuntv75
+gOnEvmPDAO6S1rc8UgcWdQQ=
+=XPoo
+-----END PGP PUBLIC KEY BLOCK-----

system/files/aptly3.sec

@@ -0,0 +1,11 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
+lFgEZ3YCRhYJKwYBBAHaRw8BAQdAYDU0VSBcurX+uqAeR/w/XOLSZcghvOqzY8yW
+dcj3HUwAAP9lsZgE1YQfaS9xfVOSi3f91lbq13+U9FPdwxfiET0+bBFrtC9BcHRs
+eSBTZWNvbmRhcnkgU2lnbmluZyBLZXkgPGFwdGx5QGV4YW1wbGUuY29tPoiWBBMW
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+jdelb6TKaT29h9JtD+pJ0CkA/Ax3C3K6gJdnI3BLp7b++YDpxL5jwwDukta3PFIH
+FnUE
+=IXTY
+-----END PGP PRIVATE KEY BLOCK-----

system/lib.py

@@ -272,6 +272,9 @@ class BaseTest(object):
             self.run_cmd([
                 self.gpgFinder.gpg2, "--import",
                 os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files") + "/aptly.sec"], expected_code=None)
+            self.run_cmd([
+                self.gpgFinder.gpg2, "--import",
+                os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files") + "/aptly3.sec"], expected_code=None)
 
         if self.fixtureGpg:
             self.run_cmd([self.gpgFinder.gpg, "--no-default-keyring", "--trust-model", "always", "--batch", "--keyring", "aptlytest.gpg", "--import"] +

system/t12_api/PublishAPITestDualSignature_Release.gpg

@@ -0,0 +1,14 @@
+gpg: Signature made Mon Jan 26 10:18:32 2026 UTC
+gpg:                using DSA key C5ACD2179B5231DFE842EE6121DBB89C16DB3E6D
+gpg: checking the trustdb
+gpg: no ultimately trusted keys found
+gpg: Good signature from "Aptly Tester (don't use it) <test@aptly.info>" [unknown]
+gpg: WARNING: This key is not certified with a trusted signature!
+gpg:          There is no indication that the signature belongs to the owner.
+Primary key fingerprint: C5AC D217 9B52 31DF E842  EE61 21DB B89C 16DB 3E6D
+gpg: Signature made Mon Jan 26 10:18:32 2026 UTC
+gpg:                using EDDSA key AEE16DF018354F67FE5F5C72BBF4E19434E91E4E
+gpg: Good signature from "Aptly Secondary Signing Key <aptly@example.com>" [unknown]
+gpg: WARNING: This key is not certified with a trusted signature!
+gpg:          There is no indication that the signature belongs to the owner.
+Primary key fingerprint: AEE1 6DF0 1835 4F67 FE5F  5C72 BBF4 E194 34E9 1E4E

system/t12_api/publish.py

@@ -1,6 +1,7 @@
 import inspect
 import os
 import threading
+import re
 
 from api_lib import TASK_SUCCEEDED, APITest
 
@@ -1557,3 +1558,63 @@ class PublishUpdateSourcesAPITestRepo(APITest):
         all_repos = self.get("/api/publish")
         self.check_equal(all_repos.status_code, 200)
         self.check_in(repo_expected, all_repos.json())
+
+
+class PublishAPITestDualSignature(APITest):
+    """
+    POST /publish/:prefix (local repos), GET /publish
+    """
+    fixtureGpg = True
+
+    def check(self):
+        repo_name = self.random_name()
+        self.check_equal(self.post(
+            "/api/repos", json={"Name": repo_name, "DefaultDistribution": "wheezy"}).status_code, 201)
+
+        d = self.random_name()
+        self.check_equal(self.upload("/api/files/" + d,
+                                     "libboost-program-options-dev_1.49.0.1_i386.deb", "pyspi_0.6.1-1.3.dsc",
+                                     "pyspi_0.6.1-1.3.diff.gz", "pyspi_0.6.1.orig.tar.gz",
+                                     "pyspi-0.6.1-1.3.stripped.dsc").status_code, 200)
+
+        task = self.post_task("/api/repos/" + repo_name + "/file/" + d)
+        self.check_task(task)
+
+        # publishing under prefix, default distribution
+        prefix = self.random_name()
+        task = self.post_task(
+            "/api/publish/" + prefix,
+            json={
+                 "SourceKind": "local",
+                 "Sources": [{"Name": repo_name}],
+                 "Signing": {"GPGKey": "C5ACD2179B5231DFE842EE6121DBB89C16DB3E6D,AEE16DF018354F67FE5F5C72BBF4E19434E91E4E"},
+            }
+        )
+        self.check_task(task)
+        repo_expected = {
+            'AcquireByHash': False,
+            'Architectures': ['i386', 'source'],
+            'Codename': '',
+            'Distribution': 'wheezy',
+            'Label': '',
+            'Origin': '',
+            'NotAutomatic': '',
+            'ButAutomaticUpgrades': '',
+            'Path': prefix + '/' + 'wheezy',
+            'Prefix': prefix,
+            'SignedBy': '',
+            'SkipContents': False,
+            'MultiDist': False,
+            'SourceKind': 'local',
+            'Sources': [{'Component': 'main', 'Name': repo_name}],
+            'Storage': '',
+            'Suite': ''}
+
+        all_repos = self.get("/api/publish")
+        self.check_equal(all_repos.status_code, 200)
+        self.check_in(repo_expected, all_repos.json())
+
+        self.check_exists("public/" + prefix + "/dists/wheezy/Release")
+        path = os.path.join(os.environ["HOME"], self.aptlyDir, "public", prefix, "dists/wheezy")
+        self.check_cmd_output(f"gpg --verify {path}/Release.gpg {path}/Release", "Release.gpg",
+                              match_prepare=lambda s: re.sub(r'Signature made .*', '', s))