Working uuid test case for simple create case

src/clients/whoami.rs

@@ -1,4 +1,3 @@
-
 extern crate rsidm;
 
 use rsidm::proto_v1;

src/lib/core.rs

@@ -1,9 +1,9 @@
 // use actix::SystemRunner;
+use actix_web::middleware::session::{self, RequestSession};
 use actix_web::{
     error, http, middleware, App, AsyncResponder, Error, FutureResponse, HttpMessage, HttpRequest,
-    HttpResponse, Path, State, Result,
+    HttpResponse, Path, Result, State,
 };
-use actix_web::middleware::session::{self, RequestSession};
 
 use bytes::BytesMut;
 use futures::{future, Future, Stream};
@@ -11,8 +11,7 @@ use futures::{future, Future, Stream};
 use super::config::Configuration;
 
 // SearchResult
-use super::event::{CreateEvent, SearchEvent,
+use super::event::{CreateEvent, SearchEvent};
-    };
 use super::filter::Filter;
 use super::log;
 use super::proto_v1::{CreateRequest, Response, SearchRequest, SearchResponse};
@@ -151,7 +150,6 @@ fn whoami(req: &HttpRequest<AppState>) -> Result<&'static str> {
     Ok("welcome!")
 }
 
-
 pub fn create_server_core(config: Configuration) {
     // Configure the middleware logger
     ::std::env::set_var("RUST_LOG", "actix_web=info");
@@ -187,7 +185,7 @@ pub fn create_server_core(config: Configuration) {
                 .http_only(true)
                 .name("rsidm-session")
                 // This forces https only
-            .secure(false)
+                .secure(false),
         ))
         .resource("/", |r| r.f(index))
         // curl --header ...?

src/lib/entry.rs

@@ -130,7 +130,8 @@ impl Entry {
     }
 
     // FIXME: Should this collect from iter instead?
-    pub fn add_avas(&mut self, attr: String, values: Vec<String>) {
+    /// Overwrite the existing avas.
+    pub fn set_avas(&mut self, attr: String, values: Vec<String>) {
         // Overwrite the existing value
         let _ = self.attrs.insert(attr, values);
     }

src/lib/error.rs

@@ -3,6 +3,7 @@ pub enum SchemaError {
     NotImplemented,
     InvalidClass,
     // FIXME: Is there a way to say what we are missing on error?
+    // Yes, add a string on the enum.
     MissingMustAttribute,
     InvalidAttribute,
     InvalidAttributeSyntax,
@@ -14,4 +15,5 @@ pub enum OperationError {
     EmptyRequest,
     Backend,
     SchemaViolation,
+    Plugin,
 }

src/lib/event.rs

@@ -51,6 +51,7 @@ impl SearchResult {
 
 #[derive(Debug)]
 pub struct SearchEvent {
+    pub internal: bool,
     pub filter: Filter,
     class: (), // String
 }
@@ -62,20 +63,24 @@ impl Message for SearchEvent {
 impl SearchEvent {
     pub fn from_request(request: SearchRequest) -> Self {
         SearchEvent {
+            internal: false,
             filter: request.filter,
             class: (),
         }
     }
-    // We need event -> some kind of json event string for logging
-    // Could we turn the event from json back to an event for testing later?
 }
 
+// Represents the decoded entries from the protocol -> internal entry representation
+// including information about the identity performing the request, and if the
+// request is internal or not.
 #[derive(Debug)]
 pub struct CreateEvent {
     // This may still actually change to handle the *raw* nature of the
     // input that we plan to parse.
     pub entries: Vec<Entry>,
-    // It could be better to box this later ...
+    /// Is the CreateEvent from an internal or external source?
+    /// This may affect which plugins are run ...
+    pub internal: bool,
 }
 
 impl Message for CreateEvent {
@@ -89,11 +94,16 @@ impl CreateEvent {
             // From ProtoEntry -> Entry
             // What is the correct consuming iterator here? Can we
             // even do that?
+            internal: false,
             entries: request.entries.iter().map(|e| Entry::from(e)).collect(),
         }
     }
 
+    // Is this an internal only function?
     pub fn from_vec(entries: Vec<Entry>) -> Self {
-        CreateEvent { entries: entries }
+        CreateEvent {
+            internal: false,
+            entries: entries,
+        }
     }
 }

src/lib/identity.rs

@@ -0,0 +1,2 @@
+// Contains a structure representing the current authenticated
+// identity (or anonymous, or admin, both of which are in mem).

src/lib/lib.rs

@@ -31,9 +31,10 @@ mod audit;
 mod be;
 mod entry;
 mod event;
+mod identity;
+mod plugins;
 mod schema;
 mod server;
-mod plugins;
 
 pub mod config;
 pub mod core;

src/lib/plugins/mod.rs

@@ -1,3 +1,49 @@
+use audit::AuditScope;
+use be::Backend;
+use entry::Entry;
+use event::CreateEvent;
+use schema::Schema;
+use error::OperationError;
+
+trait Plugin {
+    fn pre_create(
+        be: &mut Backend,
+        au: &mut AuditScope,
+        cand: &mut Vec<Entry>,
+        ce: &CreateEvent,
+        schema: &Schema,
+    ) -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn post_create() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn pre_modify() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn post_modify() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn pre_delete() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn post_delete() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn pre_search() -> Result<(), OperationError> {
+        Ok(())
+    }
+
+    fn post_search() -> Result<(), OperationError> {
+        Ok(())
+    }
+}
 
 mod uuid;
 
@@ -5,4 +51,3 @@ mod uuid;
 
 // How do we deal with plugin activation? Config?
 // What do plugins default to?
-

src/lib/plugins/uuid.rs

@@ -0,0 +1,198 @@
+use plugins::Plugin;
+use uuid::Uuid;
+
+use audit::AuditScope;
+use be::Backend;
+use entry::Entry;
+use event::CreateEvent;
+use schema::Schema;
+use error::OperationError;
+
+struct UUID {}
+
+impl Plugin for UUID {
+    // Need to be given the backend(for testing ease)
+    // audit
+    // the mut set of entries to create
+    // the create event itself (immutable, for checking originals)
+    //     contains who is creating them
+    // the schema of the running instance
+
+    fn pre_create(
+        be: &mut Backend,
+        au: &mut AuditScope,
+        cand: &mut Vec<Entry>,
+        ce: &CreateEvent,
+        schema: &Schema,
+    ) -> Result<(), OperationError> {
+        // For each candidate
+        for entry in cand.iter_mut() {
+            let name_uuid = String::from("uuid");
+
+            // if they don't have uuid, create it.
+            // TODO: get_ava should have a str version for effeciency?
+            let mut c_uuid = match entry.get_ava(&name_uuid) {
+                Some(u) => {
+                    // Actually check we have a value, could be empty array ...
+                    let v = u.first().unwrap();
+                    // This could actually fail, so we probably need to handle
+                    // this better ....
+                    match Uuid::parse_str(v.as_str()) {
+                        Ok(up) => up,
+                        Err(_) => {
+                            return Err(
+                                OperationError::Plugin
+                            )
+                        }
+                    }
+                }
+                None => Uuid::new_v4()
+            };
+
+            // Make it a string, so we can filter.
+            println!("uuid: {}", c_uuid);
+
+
+            // check that the uuid is unique in the be (even if one is provided
+            //  we especially need to check that)
+
+            // if not unique, generate another, and try again.
+
+            // If it's okay, now put it into the entry.
+            // we may need to inject the base OC required for all objects in our
+            // server to support this?
+            let str_uuid = format!("{}", c_uuid);
+            let ava_uuid: Vec<String> = vec![str_uuid];
+            entry.set_avas(name_uuid, ava_uuid);
+        }
+        // done!
+
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::super::Plugin;
+    use super::UUID;
+
+    use audit::AuditScope;
+    use be::Backend;
+    use entry::Entry;
+    use event::CreateEvent;
+    use schema::Schema;
+
+    macro_rules! run_pre_create_test {
+        (
+            $preload_entries:ident,
+            $create_entries:ident,
+            $ident:ident,
+            $internal:ident,
+            $test_fn:expr
+        ) => {{
+            let mut au = AuditScope::new("run_pre_create_test");
+            audit_segment!(au, || {
+                // Create an in memory BE
+                let mut be = Backend::new(&mut au, "");
+
+                // TODO: Preload entries here!
+
+                let ce = CreateEvent::from_vec($create_entries.clone());
+                let mut schema = Schema::new();
+                schema.bootstrap_core();
+
+                let mut au_test = AuditScope::new("pre_create_test");
+                audit_segment!(au_test, || $test_fn(
+                    &mut be,
+                    &mut au_test,
+                    &mut $create_entries,
+                    &ce,
+                    &schema,
+                ));
+
+                au.append_scope(au_test);
+            });
+            // Dump the raw audit. Perhaps we should serialise this pretty?
+            println!("{:?}", au);
+        }};
+    }
+
+    // Check empty create
+    #[test]
+    fn test_pre_create_empty() {
+        // Need a macro to create all the bits here ...
+        // Macro needs preload entries, the create entries
+        // schema, identity for create event (later)
+        let preload: Vec<Entry> = Vec::new();
+        let mut create: Vec<Entry> = Vec::new();
+        run_pre_create_test!(
+            preload,
+            create,
+            false,
+            false,
+            |be: &mut Backend,
+             au: &mut AuditScope,
+             cand: &mut Vec<Entry>,
+             ce: &CreateEvent,
+             schema: &Schema| {
+                let r = UUID::pre_create(be, au, cand, ce, schema);
+                assert!(r.is_ok());
+                // Nothing should have changed.
+                assert!(cand.len() == 0);
+            }
+        );
+    }
+
+    // check create where no uuid
+    #[test]
+    fn test_pre_create_no_uuid() {
+        // Need a macro to create all the bits here ...
+        // Macro needs preload entries, the create entries
+        // schema, identity for create event (later)
+        let preload: Vec<Entry> = Vec::new();
+
+        let e: Entry = serde_json::from_str(
+            r#"{
+            "attrs": {
+                "class": ["person"],
+                "name": ["testperson"],
+                "description": ["testperson"],
+                "displayname": ["testperson"]
+            }
+        }"#,
+        )
+        .unwrap();
+
+        let mut create = vec![e];
+
+        run_pre_create_test!(
+            preload,
+            create,
+            false,
+            false,
+            |be: &mut Backend,
+             au: &mut AuditScope,
+             cand: &mut Vec<Entry>,
+             ce: &CreateEvent,
+             schema: &Schema| {
+                let r = UUID::pre_create(be, au, cand, ce, schema);
+                assert!(r.is_ok());
+                // Assert that the entry contains the attr "uuid" now.
+                let ue = cand.first().unwrap();
+                assert!(ue.attribute_pres("uuid"));
+            }
+        );
+    }
+
+    // check unparseable uuid
+    // check entry where uuid is empty list
+
+    // check create where provided uuid is valid. It should be unchanged.
+
+    // check create where uuid already exists.
+
+    // check create where uuid is a well-known
+    // WARNING: This actually requires me to implement backend migrations and
+    // creation of default objects in the DB on new() if they don't exist, and
+    // to potentially support migrations of said objects.
+}

src/lib/schema.rs

@@ -749,7 +749,7 @@ impl Schema {
                 None => avas.clone(),
             };
             // now push those to the new entry.
-            entry_new.add_avas(attr_name_normal, avas_normal);
+            entry_new.set_avas(attr_name_normal, avas_normal);
         }
         // Done!
         entry_new

src/lib/server.rs

@@ -3,14 +3,13 @@ use actix::prelude::*;
 use audit::AuditScope;
 use be::{Backend, BackendError};
 
-use plugins;
 use entry::Entry;
 use error::OperationError;
 use event::{CreateEvent, OpResult, SearchEvent, SearchResult};
 use log::EventLog;
+use plugins;
 use schema::Schema;
 
-
 pub fn start(log: actix::Addr<EventLog>, path: &str, threads: usize) -> actix::Addr<QueryServer> {
     let mut audit = AuditScope::new("server_start");
     audit_segment!(audit, || {
@@ -83,13 +82,22 @@ impl QueryServer {
         res
     }
 
-    // What should this take?
-    // This should probably take raw encoded entries? Or sohuld they
-    // be handled by fe?
     pub fn create(&mut self, au: &mut AuditScope, ce: &CreateEvent) -> Result<(), OperationError> {
+        // The create event is a raw, read only representation of the request
+        // that was made to us, including information about the identity
+        // performing the request.
+
+        // Log the request
+
+        // TODO: Do we need limits on number of creates, or do we constraint
+        // based on request size in the frontend?
+
+        // Copy the entries to a writeable form.
+        let mut candidates: Vec<_> = ce.entries.iter().collect();
+
         // Start a txn
 
-        // run any pre plugins
+        // run any pre plugins, giving them the list of mutable candidates.
 
         // Run any pre checks
         // FIXME: Normalise all entries incoming
@@ -117,10 +125,13 @@ impl QueryServer {
                 BackendError::EmptyRequest => OperationError::EmptyRequest,
                 _ => OperationError::Backend,
             });
-        au.append_scope(audit_be);
 
         // Run any post plugins
+
         // Commit/Abort the txn
+
+        // We are complete, finalise logging and return
+        au.append_scope(audit_be);
         res
     }
 }