feat: adds load_settings and load_settings_file functions

gpeacock · gpeacock · commit 91d23347c161 · 2024-12-02T21:17:24.000-08:00
Includes a sample loading a trust list.
diff --git a/build.rs b/build.rs
@@ -1,3 +1,4 @@
+// Purpose: Generate the scaffolding for the uniffi library.
 fn main() {
-    uniffi::generate_scaffolding("./src/c2pa.udl").unwrap();
+    let _result = uniffi::generate_scaffolding("./src/c2pa.udl");
 }
diff --git a/c2pa/__init__.py b/c2pa/__init__.py
@@ -11,8 +11,35 @@
 # specific language governing permissions and limitations under
 # each license.
 
-from .c2pa_api import Reader, Builder, create_signer, create_remote_signer, sign_ps256
-from .c2pa import Error, SigningAlg, CallbackSigner, sdk_version, version
-from .c2pa.c2pa import _UniffiConverterTypeSigningAlg, _UniffiConverterTypeReader, _UniffiRustBuffer
+from .c2pa_api import (
+    Reader,
+    Builder,
+    create_signer,
+    create_remote_signer,
+    sign_ps256,
+    load_settings_file,
+)
+from .c2pa import Error, SigningAlg, CallbackSigner, sdk_version, version, load_settings
+from .c2pa.c2pa import (
+    _UniffiConverterTypeSigningAlg,
+    _UniffiConverterTypeReader,
+    _UniffiRustBuffer,
+)
 
-__all__ = ['Reader', 'Builder', 'CallbackSigner', 'create_signer', 'sign_ps256', 'Error', 'SigningAlg', 'sdk_version', 'version', 'create_remote_signer', '_UniffiConverterTypeSigningAlg', '_UniffiRustBuffer', '_UniffiConverterTypeReader']
+__all__ = [
+    "Reader",
+    "Builder",
+    "CallbackSigner",
+    "create_signer",
+    "sign_ps256",
+    "Error",
+    "SigningAlg",
+    "sdk_version",
+    "version",
+    "load_settings",
+    "load_settings_file",
+    "create_remote_signer",
+    "_UniffiConverterTypeSigningAlg",
+    "_UniffiRustBuffer",
+    "_UniffiConverterTypeReader",
+]
diff --git a/c2pa/c2pa_api/c2pa_api.py b/c2pa/c2pa_api/c2pa_api.py
@@ -255,3 +255,11 @@ def sign_ps256(data: bytes, key: bytes) -> bytes:
         hashes.SHA256()
     )
     return signature
+
+def load_settings_file(path: str, format=None):
+    with open(path, "r") as file:
+        if format is None:
+            # determine the format from the file extension
+            format = os.path.splitext(path)[1][1:]
+        settings = file.read()
+    api.load_settings(settings, format)
diff --git a/src/c2pa.udl b/src/c2pa.udl
@@ -2,6 +2,8 @@
 namespace c2pa {
   string version();
   string sdk_version();
+  [Throws=Error]
+  void load_settings([ByRef] string format, [ByRef] string settings);
 };
 
 [Error]
diff --git a/src/lib.rs b/src/lib.rs
@@ -14,7 +14,7 @@
 use std::env;
 use std::sync::RwLock;
 
-pub use c2pa::{Signer, SigningAlg};
+pub use c2pa::{Signer, SigningAlg, settings::load_settings_from_str};
 
 /// these all need to be public so that the uniffi macro can see them
 mod error;
@@ -45,6 +45,11 @@ pub fn sdk_version() -> String {
     )
 }
 
+pub fn load_settings(settings: &str, format: &str) -> Result<()> {
+    load_settings_from_str(settings, format)?;
+    Ok(())
+}
+
 pub struct Reader {
     reader: RwLock<c2pa::Reader>,
 }
@@ -102,6 +107,14 @@ impl Reader {
         }
     }
 
+    // pub fn validation_state(&self) -> Result<ValidationState> {
+    //     if let Ok(st) = self.reader.validation_state() {
+    //         Ok(st.validation_state())
+    //     } else {
+    //         Err(Error::RwLock)
+    //     }
+    // }   
+
     pub fn resource_to_stream(&self, uri: &str, stream: &dyn Stream) -> Result<u64> {
         if let Ok(reader) = self.reader.try_read() {
             let mut stream = StreamAdapter::from(stream);
diff --git a/tests/fixtures/settings.toml b/tests/fixtures/settings.toml
@@ -0,0 +1,229 @@
+# This sample c2pa settings file enables a trust list. 
+# In practice you should update the trust anchors from a remote source as needed.
+# Many other settings are available, see the c2pa documentation for more information.
+[verify]
+trusted = true
+
+[trust]
+trust_config = """
+//id-kp-emailProtection 
+1.3.6.1.5.5.7.3.4
+//id-kp-documentSigning 
+1.3.6.1.5.5.7.3.36
+//id-kp-timeStamping 
+1.3.6.1.5.5.7.3.8
+//id-kp-OCSPSigning 
+1.3.6.1.5.5.7.3.9
+// MS C2PA Signing
+1.3.6.1.4.1.311.76.59.1.9
+"""
+trust_anchors = """
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+"""
diff --git a/tests/test_unit_tests.py b/tests/test_unit_tests.py
@@ -17,7 +17,7 @@
 import unittest
 from unittest.mock import mock_open, patch
 
-from c2pa import  Builder, Error,  Reader, SigningAlg, create_signer,  sdk_version, sign_ps256
+from c2pa import  Builder, Error,  Reader, SigningAlg, create_signer,  sdk_version, sign_ps256, load_settings_file
 
 PROJECT_PATH = os.getcwd()
 
@@ -51,6 +51,12 @@ def test_reader_bad_format(self):
             with open(testPath, "rb") as file:
                 reader = Reader("badFormat", file)
 
+    def test_settings_trust(self):
+        load_settings_file("tests/fixtures/settings.toml")
+        with open(testPath, "rb") as file:
+            reader = Reader("image/jpeg",file)
+            json = reader.json()
+            self.assertIn("C.jpg", json)
 
 class TestBuilder(unittest.TestCase):
     # Define a manifest as a dictionary

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+// Purpose: Generate the scaffolding for the uniffi library.`
`1`	`2`	`fn main() {`
`2`		`- uniffi::generate_scaffolding("./src/c2pa.udl").unwrap();`
	`3`	`+ let _result = uniffi::generate_scaffolding("./src/c2pa.udl");`
`3`	`4`	`}`