Add test access executable.

Author: bbockelm

src/test_access.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+
+#include "scitokens.h"
+
+int main(int argc, const char** argv) {
+    if (argc < 6) {
+        std::cerr << "Usage: " << argv[0] << " (TOKEN) (ISSUER) (AUDIENCE) (AUTHZ) (PATH)" << std::endl;
+        return 1;
+    }
+    std::string token(argv[1]);
+    std::string issuer(argv[2]);
+    std::string audience(argv[3]);
+    std::string authz(argv[4]);
+    std::string path(argv[5]);
+
+    const char *aud_list[2];
+    aud_list[0] = audience.c_str();
+    aud_list[1] = nullptr;
+
+    SciToken scitoken;
+    char *err_msg = nullptr;
+    if (scitoken_deserialize(token.c_str(), &scitoken, nullptr, &err_msg)) {
+        std::cout << "Failed to deserialize a token: " << err_msg << std::endl;
+        return 1;
+    }
+    std::cout << "Token deserialization successful.  Checking authorizations." << std::endl;
+    Enforcer enf;
+    if (!(enf = enforcer_create(issuer.c_str(), aud_list, &err_msg))) {
+        std::cout << "Failed to create a new enforcer object: " << err_msg << std::endl;
+        return 1;
+    }
+    const Acl acl {authz.c_str(), path.c_str()};
+    if (enforcer_test(enf, scitoken, &acl, &err_msg)) {
+        if (err_msg) {std::cout << "Access test failed: " << err_msg << std::endl;}
+        else {std::cout << "Access test failed." << std::endl;}
+        return 1;
+    }
+    std::cout << "Access test successful." << std::endl;
+
+    enforcer_destroy(enf);
+    return 0;
+}
+