Merge pull request #256 into master

6a7087f1 container: root: test: unit: common: PluggableSpace: add case for conversions (Aaron Fiore)
ce12412d container: root: common: PluggableSpace: add character checks/conversions (Aaron Fiore)
736a71e9 container: root: test: unit: common: PluggablePath: add case for invalid characters (Aaron Fiore)
8bc6477c container: root: common: PluggablePath: add checks for invalid characters (Aaron Fiore)
d2ff942f container: root: test: unit: common: PluggablePath: update/add case for invalid family (Aaron Fiore)
b775992d container: root: common: PluggablePath: expand parent path, refactor (Aaron Fiore)

container/src/root/common/utility.hh

@@ -300,39 +300,56 @@ class PluggablePath
   //! \return NPI reference
   auto& parse()
   {
-    // Parse out pseudo tag
-    const std::string type{m_pseudo.substr(0, m_pseudo.find('/'))};
+    // Invalid characters
+    const std::regex regex{"[a-zA-Z0-9/_\\-\\.]+"};
+    const std::string msg{"invalid characters in path"};
 
-    std::string pruned{m_pseudo};
-    pruned.erase(0, pruned.find('/') + 1);
+    if (!m_path.repo().empty())
+      throw_ex_if<type::RuntimeError>(
+          !std::regex_match(m_path.repo(), regex), msg);
+
+    if (!m_path.custom().empty())
+      throw_ex_if<type::RuntimeError>(
+          !std::regex_match(m_path.custom(), regex), msg);
+
+    throw_ex_if<type::RuntimeError>(!std::regex_match(m_pseudo, regex), msg);
+
+    // Parse out pseudo tag
+    auto pos = m_pseudo.find('/');
+    throw_ex_if<type::RuntimeError>(!pos, "no pseudo tag");
+    const std::string tag{m_pseudo.substr(0, pos)};
 
     // Set family group
-    m_family = pruned;
-
-    // Set parent directory
-    m_parent = pruned.substr(0, pruned.find('/'));
-
-    // Set child (filename)
-    m_child = pruned.substr(pruned.find_last_of('/') + 1);
+    m_family = m_pseudo;
+    m_family.erase(0, pos + 1);
+    throw_ex_if<type::RuntimeError>(m_family.empty(), "no family found");
 
     // Set absolute path
-    std::string absolute{pruned};
-    if (type == "repo")
+    m_absolute = m_family;
+    if (tag == "repo")
       {
         m_is_repo = true;
-        absolute.insert(0, m_path.repo());
+        m_absolute.insert(0, m_path.repo());
       }
-    else if (type == "custom")
+    else if (tag == "custom")
       {
         m_is_custom = true;
-        absolute.insert(0, m_path.custom());
+        m_absolute.insert(0, m_path.custom());
       }
     else
       {
         throw_ex<type::RuntimeError>(
-            "must be of type 'repo/<relative>' or 'custom/<relative>'");
+            "must be of tag 'repo' or 'custom' | was given: '" + tag + "'");
       }
-    m_absolute = std::move(absolute);
+
+    // Set parent path (director(y|ies))
+    pos = m_family.find_last_of('/');
+    m_parent = m_family.substr(0, pos);
+
+    // Set child (filename)
+    m_child = m_family.substr(pos + 1);
+    throw_ex_if<type::RuntimeError>(
+        m_child.empty() || m_child == m_parent, "child not found");
 
     return *this;
   }
@@ -365,22 +382,21 @@ class PluggablePath
   const auto& operator()() const { return m_path; }
 
  public:
-  //! \return The pluggable's pseudo-path
+  //! \return The pluggable's complete pseudo-path
   const std::string& pseudo() const { return m_pseudo; }
 
-  //! \return The pluggable's operating system absolute path
+  //! \return The pluggable's operating system absolute path (with parsed pseudo-path)
   const std::string& absolute() const { return m_absolute; }
 
-  // TODO(unassigned): relative() to current working dir
-
-  //! \return The pluggable's parent directory
+  //! \return The pluggable's relative parent director(y|ies) derived from pseudo-path
+  //! \warning Trailing slash is removed
   //! \note This also represents the expected namespace used for pluggable auto-loading
   const std::string& parent() const { return m_parent; }
 
   //! \return The pluggable's child (filename)
   const std::string& child() const { return m_child; }
 
-  //! \return The pluggable's group of parent member and child filename
+  //! \return The pluggable's group of parent and child members
   const std::string& family() const { return m_family; }
 
   //! \return true if pseudo-path describes a repository location
@@ -392,7 +408,7 @@ class PluggablePath
  private:
   type::PluggablePath m_path;
   std::string m_pseudo, m_absolute;
-  std::string m_parent, m_family, m_child;
+  std::string m_family, m_parent, m_child;
   bool m_is_repo, m_is_custom;
 };
 
@@ -405,8 +421,52 @@ class PluggablePath
 //! \since docker-finance 1.1.0
 class PluggableSpace
 {
+ public:
+  //! \brief Parses (or re-parses) constructed types
+  //! \warning Only call this function after constructing if underlying type::PluggableSpace has been changed (post-construction)
+  //! \return NPI reference
+  auto& parse()
+  {
+    auto const parser = [](const std::string& space) -> std::string {
+      std::string parsed{space};
+
+      // NOTE: allowed to be empty (for now)
+      if (!parsed.empty())
+        {
+          throw_ex_if<type::RuntimeError>(
+              !std::regex_match(
+                  parsed,
+                  std::regex{
+                      "[a-zA-Z0-9:/_\\-]+"} /* TODO(unassigned): refine */),
+              "invalid characters in namespace");
+
+          if (parsed.find('/'))
+            {
+              parsed = std::regex_replace(parsed, std::regex{"/"}, "::");
+            }
+          if (parsed.find('-'))
+            {
+              parsed = std::regex_replace(parsed, std::regex{"-"}, "_");
+            }
+        }
+
+      return parsed;
+    };
+
+    m_space.outer(parser(m_space.outer()));
+    m_space.inner(parser(m_space.inner()));
+
+    return *this;
+  }
+
  protected:
-  explicit PluggableSpace(const type::PluggableSpace& space) : m_space(space) {}
+  // \note Since the current presumption is that a PluggableSpace is likely
+  //   to be derived from an operating system path (via PluggablePath),
+  //   there's leeway for path-to-namespace conversions to be done here.
+  explicit PluggableSpace(const type::PluggableSpace& space) : m_space(space)
+  {
+    parse();
+  }
   ~PluggableSpace() = default;
 
   PluggableSpace(const PluggableSpace&) = default;

container/src/root/test/unit/utility.hh

@@ -534,8 +534,8 @@ TEST_F(PluggablePath, Family_nested)
   Path repo("repo" + std::string{"/"} + nested),
       custom("custom" + std::string{"/"} + nested);
 
-  ASSERT_EQ(repo.parent(), kParent);
-  ASSERT_EQ(custom.parent(), kParent);
+  ASSERT_EQ(repo.parent(), kParent + "/a_nested_dir");
+  ASSERT_EQ(custom.parent(), kParent + "/a_nested_dir");
 
   ASSERT_EQ(repo.child(), kChild);
   ASSERT_EQ(custom.child(), kChild);
@@ -544,6 +544,45 @@ TEST_F(PluggablePath, Family_nested)
   ASSERT_EQ(custom.family(), nested);
 }
 
+TEST_F(PluggablePath, InvalidFamily)
+{
+  ASSERT_THROW(Path path(""), common::type::RuntimeError);
+  ASSERT_THROW(Path path("nope"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/"), common::type::RuntimeError);
+  ASSERT_THROW(Path path("custom/"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/incomplete"), common::type::RuntimeError);
+  ASSERT_THROW(Path path("custom/incomplete"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/incomplete/"), common::type::RuntimeError);
+  ASSERT_THROW(Path path("custom/incomplete/"), common::type::RuntimeError);
+
+  ASSERT_THROW(
+      Path path("repo/incomplete/incomplete"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/incomplete/incomplete"), common::type::RuntimeError);
+}
+
+TEST_F(PluggablePath, InvalidCharacters)
+{
+  ASSERT_THROW(Path path("repo/no spaces/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/no spaces/a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/'no_ticks'/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/'no_ticks'/a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/any/@a.file"), common::type::RuntimeError);
+  ASSERT_THROW(Path path("custom/any/@a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(
+      Path path("repo/bad\\ slash/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/bad\\ slash/a.file"), common::type::RuntimeError);
+}
+
 TEST_F(PluggablePath, Base)
 {
   ASSERT_EQ(m_repo().repo(), kRepoBase);
@@ -631,11 +670,10 @@ struct PluggableSpace : public ::testing::Test,
 
   struct Space : public ::dfi::common::PluggableSpace
   {
-    using space = ::dfi::tests::unit::PluggableSpace;
     explicit Space(const std::string_view outer, const std::string_view inner)
         : ::dfi::common::PluggableSpace(
               ::dfi::common::type::PluggableSpace{
-                  {std::string{space::kOuter}, std::string{space::kInner}}})
+                  {std::string{outer}, std::string{inner}}})
     {
     }
 
@@ -687,6 +725,29 @@ TEST_F(PluggableSpace, Mutators)
   ASSERT_EQ(m_space.inner(), kFour);
 }
 
+TEST_F(PluggableSpace, Conversions)
+{
+  ASSERT_NO_THROW(Space space("", ""));
+  ASSERT_NO_THROW(Space space("hi/hey", "there/now"));
+  ASSERT_THROW(Space space("hi hey", "there now"), common::type::RuntimeError);
+  ASSERT_THROW(Space space("hi@hey", "there@now"), common::type::RuntimeError);
+
+  Space space("hi/hey", "there/now");
+  ASSERT_NO_THROW(space().outer("hi hey").inner("there now"));
+  ASSERT_THROW(space.parse(), common::type::RuntimeError);
+  ASSERT_NO_THROW(space().outer("hi@hey").inner("there@now"));
+  ASSERT_THROW(space.parse(), common::type::RuntimeError);
+
+  space = Space{"hi/hey", "there/now"};
+  ASSERT_EQ(space.outer(), "hi::hey");
+  ASSERT_EQ(space.inner(), "there::now");
+
+  ASSERT_NO_THROW(space().outer("hi-hey").inner("there-now"));
+  ASSERT_NO_THROW(space.parse());
+  ASSERT_EQ(space.outer(), "hi_hey");
+  ASSERT_EQ(space.inner(), "there_now");
+}
+
 TEST_F(PluggableSpace, Booleans)
 {
   ASSERT_EQ(m_space.has_outer(), true);