Add tooling for accounts to self-set their password (#107)

Partially Implements #6 - add ability for accounts to self set password. This is good for now, as I get closer to a trial radius deployment, but I think I'm finding the rest api probably needs a better plan at this point, as well as probably the way we do the proto and the communication needs some more thoughts too.

README.md

@@ -55,6 +55,7 @@ let's encrypt, but if this is not possible, please use our insecure cert tool:
 You can now build and run the server with:
 
     cd kanidm
+    cargo run -- recover_account -D /tmp/kanidm.db -n admin
     cargo run -- server -D /tmp/kanidm.db -C ../insecure/ca.pem -c ../insecure/cert.pem -k ../insecure/key.pem --domain localhost --bindaddr 127.0.0.1:8080
 
 In a new terminal, you can now build and run the client tools with:
@@ -62,6 +63,7 @@ In a new terminal, you can now build and run the client tools with:
     cd kanidm_tools
     cargo run -- --help
     cargo run -- whoami -H https://localhost:8080 -D anonymous -C ../insecure/ca.pem
+    cargo run -- whoami -H https://localhost:8080 -D admin -C ../insecure/ca.pem
 
 ## Development and Testing
 

kanidm_client/src/lib.rs

@@ -12,7 +12,8 @@ use std::io::Read;
 
 use kanidm_proto::v1::{
     AuthCredential, AuthRequest, AuthResponse, AuthState, AuthStep, CreateRequest, Entry, Filter,
-    OperationResponse, SearchRequest, SearchResponse, UserAuthToken, WhoamiResponse,
+    OperationResponse, SearchRequest, SearchResponse, SingleStringRequest, UserAuthToken,
+    WhoamiResponse,
 };
 
 #[derive(Debug)]
@@ -28,6 +29,7 @@ pub enum ClientError {
 pub struct KanidmClient {
     client: reqwest::Client,
     addr: String,
+    ca: Option<reqwest::Certificate>,
 }
 
 impl KanidmClient {
@@ -41,22 +43,32 @@ impl KanidmClient {
             reqwest::Certificate::from_pem(&buf).expect("Failed to parse ca")
         });
 
-        let client_builder = reqwest::Client::builder().cookie_store(true);
+        let client = Self::build_reqwest(&ca).expect("Unexpected reqwest builder failure!");
 
-        let client_builder = match ca {
-            Some(cert) => client_builder.add_root_certificate(cert),
-            None => client_builder,
-        };
-
-        let client = client_builder
-            .build()
-            .expect("Unexpected reqwest builder failure!");
         KanidmClient {
             client: client,
             addr: addr.to_string(),
+            ca: ca,
         }
     }
 
+    pub fn logout(&mut self) -> Result<(), reqwest::Error> {
+        let mut r_client = Self::build_reqwest(&self.ca)?;
+        std::mem::swap(&mut self.client, &mut r_client);
+        Ok(())
+    }
+
+    fn build_reqwest(ca: &Option<reqwest::Certificate>) -> Result<reqwest::Client, reqwest::Error> {
+        let client_builder = reqwest::Client::builder().cookie_store(true);
+
+        let client_builder = match ca {
+            Some(cert) => client_builder.add_root_certificate(cert.clone()),
+            None => client_builder,
+        };
+
+        client_builder.build()
+    }
+
     fn auth_step_init(&self, ident: &str, appid: Option<&str>) -> Result<AuthState, ClientError> {
         // TODO: Way to avoid formatting so much?
         let auth_dest = format!("{}/v1/auth", self.addr);
@@ -238,4 +250,28 @@ impl KanidmClient {
 
     // modify
     //
+
+    // === idm actions here ==
+    pub fn idm_account_set_password(&self, cleartext: String) -> Result<(), ClientError> {
+        let s = SingleStringRequest { value: cleartext };
+
+        let dest = format!("{}/v1/idm/account/set_password", self.addr);
+
+        let mut response = self
+            .client
+            .post(dest.as_str())
+            .body(serde_json::to_string(&s).unwrap())
+            .send()
+            .map_err(|e| ClientError::Transport(e))?;
+
+        match response.status() {
+            reqwest::StatusCode::OK => {}
+            unexpect => return Err(ClientError::Http(unexpect)),
+        }
+
+        // TODO: What about errors
+        let _r: OperationResponse =
+            serde_json::from_str(response.text().unwrap().as_str()).unwrap();
+        Ok(())
+    }
 }

kanidm_client/tests/proto_v1_test.rs

@@ -32,6 +32,7 @@ extern crate tokio;
 
 static PORT_ALLOC: AtomicUsize = AtomicUsize::new(8080);
 static ADMIN_TEST_PASSWORD: &'static str = "integration test admin password";
+static ADMIN_TEST_PASSWORD_CHANGE: &'static str = "integration test admin new🎉";
 
 // Test external behaviorus of the service.
 
@@ -172,4 +173,31 @@ fn test_server_search() {
     });
 }
 
+#[test]
+fn test_server_admin_change_simple_password() {
+    run_test(|mut rsclient: KanidmClient| {
+        // First show we are un-authenticated.
+        let pre_res = rsclient.whoami();
+        // This means it was okay whoami, but no uat attached.
+        assert!(pre_res.unwrap().is_none());
+
+        let res = rsclient.auth_simple_password("admin", ADMIN_TEST_PASSWORD);
+        assert!(res.is_ok());
+
+        // Now change the password.
+        let _ = rsclient
+            .idm_account_set_password(ADMIN_TEST_PASSWORD_CHANGE.to_string())
+            .unwrap();
+
+        // Now "reset" the client.
+        let _ = rsclient.logout();
+        // Old password fails
+        let res = rsclient.auth_simple_password("admin", ADMIN_TEST_PASSWORD);
+        assert!(res.is_err());
+        // New password works!
+        let res = rsclient.auth_simple_password("admin", ADMIN_TEST_PASSWORD_CHANGE);
+        assert!(res.is_ok());
+    });
+}
+
 // Test hitting all auth-required endpoints and assert they give unauthorized.

kanidm_proto/src/v1.rs

@@ -360,6 +360,19 @@ impl WhoamiResponse {
     }
 }
 
+// Simple string value provision.
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SingleStringRequest {
+    pub value: String,
+}
+
+impl SingleStringRequest {
+    pub fn new(s: String) -> Self {
+        SingleStringRequest { value: s }
+    }
+}
+// Use OperationResponse here ...
+
 #[cfg(test)]
 mod tests {
     use crate::v1::Filter as ProtoFilter;

kanidm_tools/src/main.rs

@@ -47,12 +47,20 @@ struct SearchOpt {
     commonopts: CommonOpt,
 }
 
+#[derive(Debug, StructOpt)]
+enum AccountOpt {
+    #[structopt(name = "set_password")]
+    SetPassword(CommonOpt),
+}
+
 #[derive(Debug, StructOpt)]
 enum ClientOpt {
     #[structopt(name = "search")]
     Search(SearchOpt),
     #[structopt(name = "whoami")]
     Whoami(CommonOpt),
+    #[structopt(name = "account")]
+    Account(AccountOpt),
 }
 
 impl ClientOpt {
@@ -60,6 +68,9 @@ impl ClientOpt {
         match self {
             ClientOpt::Whoami(copt) => copt.debug,
             ClientOpt::Search(sopt) => sopt.commonopts.debug,
+            ClientOpt::Account(aopt) => match aopt {
+                AccountOpt::SetPassword(copt) => copt.debug,
+            },
         }
     }
 }
@@ -98,5 +109,14 @@ fn main() {
                 println!("{:?}", e);
             }
         }
+        ClientOpt::Account(aopt) => match aopt {
+            AccountOpt::SetPassword(copt) => {
+                let client = copt.to_client();
+
+                let password = rpassword::prompt_password_stderr("Enter new password: ").unwrap();
+
+                client.idm_account_set_password(password).unwrap();
+            }
+        },
     }
 }

kanidmd/src/lib/actors/v1.rs

@@ -7,6 +7,7 @@ use crate::event::{
     AuthEvent, CreateEvent, DeleteEvent, ModifyEvent, PurgeRecycledEvent, PurgeTombstoneEvent,
     SearchEvent, SearchResult, WhoamiResult,
 };
+use crate::idm::event::PasswordChangeEvent;
 use kanidm_proto::v1::OperationError;
 
 use crate::idm::server::IdmServer;
@@ -14,7 +15,7 @@ use crate::server::{QueryServer, QueryServerTransaction};
 
 use kanidm_proto::v1::{
     AuthRequest, AuthResponse, CreateRequest, DeleteRequest, ModifyRequest, OperationResponse,
-    SearchRequest, SearchResponse, UserAuthToken, WhoamiResponse,
+    SearchRequest, SearchResponse, SingleStringRequest, UserAuthToken, WhoamiResponse,
 };
 
 use actix::prelude::*;
@@ -121,6 +122,26 @@ impl Message for SearchMessage {
     type Result = Result<SearchResponse, OperationError>;
 }
 
+pub struct IdmAccountSetPasswordMessage {
+    pub uat: Option<UserAuthToken>,
+    pub cleartext: String,
+}
+
+impl IdmAccountSetPasswordMessage {
+    pub fn new(uat: Option<UserAuthToken>, req: SingleStringRequest) -> Self {
+        IdmAccountSetPasswordMessage {
+            uat: uat,
+            cleartext: req.value,
+        }
+    }
+}
+
+impl Message for IdmAccountSetPasswordMessage {
+    type Result = Result<OperationResponse, OperationError>;
+}
+
+// ===========================================================
+
 pub struct QueryServerV1 {
     log: actix::Addr<EventLog>,
     qs: QueryServer,
@@ -381,6 +402,34 @@ impl Handler<WhoamiMessage> for QueryServerV1 {
     }
 }
 
+impl Handler<IdmAccountSetPasswordMessage> for QueryServerV1 {
+    type Result = Result<OperationResponse, OperationError>;
+
+    fn handle(&mut self, msg: IdmAccountSetPasswordMessage, _: &mut Self::Context) -> Self::Result {
+        let mut audit = AuditScope::new("idm_account_set_password");
+        let res = audit_segment!(&mut audit, || {
+            let mut idms_prox_write = self.idms.proxy_write();
+
+            let pce = PasswordChangeEvent::from_idm_account_set_password(
+                &mut audit,
+                &idms_prox_write.qs_write,
+                msg,
+            )
+            .map_err(|e| {
+                audit_log!(audit, "Failed to begin idm_account_set_password: {:?}", e);
+                e
+            })?;
+
+            idms_prox_write
+                .set_account_password(&mut audit, &pce)
+                .and_then(|_| idms_prox_write.commit(&mut audit))
+                .map(|_| OperationResponse::new(()))
+        });
+        self.log.do_send(audit);
+        res
+    }
+}
+
 // These below are internal only types.
 
 impl Handler<PurgeTombstoneEvent> for QueryServerV1 {

kanidmd/src/lib/core.rs

@@ -14,7 +14,8 @@ use crate::config::Configuration;
 // SearchResult
 use crate::actors::v1::QueryServerV1;
 use crate::actors::v1::{
-    AuthMessage, CreateMessage, DeleteMessage, ModifyMessage, SearchMessage, WhoamiMessage,
+    AuthMessage, CreateMessage, DeleteMessage, IdmAccountSetPasswordMessage, ModifyMessage,
+    SearchMessage, WhoamiMessage,
 };
 use crate::async_log;
 use crate::audit::AuditScope;
@@ -29,7 +30,7 @@ use crate::utils::SID;
 use kanidm_proto::v1::OperationError;
 use kanidm_proto::v1::{
     AuthRequest, AuthState, CreateRequest, DeleteRequest, ModifyRequest, SearchRequest,
-    UserAuthToken,
+    SingleStringRequest, UserAuthToken,
 };
 
 use uuid::Uuid;
@@ -262,6 +263,17 @@ fn auth(
         )
 }
 
+fn idm_account_set_password(
+    (req, state): (HttpRequest<AppState>, State<AppState>),
+) -> impl Future<Item = HttpResponse, Error = Error> {
+    json_event_post!(
+        req,
+        state,
+        IdmAccountSetPasswordMessage,
+        SingleStringRequest
+    )
+}
+
 fn setup_backend(config: &Configuration) -> Result<Backend, OperationError> {
     let mut audit_be = AuditScope::new("backend_setup");
     let pool_size: u32 = config.threads as u32;
@@ -638,6 +650,12 @@ pub fn create_server_core(config: Configuration) {
         .resource("/v1/auth", |r| {
             r.method(http::Method::POST).with_async(auth)
         })
+        // Start IDM resources. We'll probably add more restful types later.
+        .resource("/v1/idm/account/set_password", |r| {
+            r.method(http::Method::POST)
+                .with_async(idm_account_set_password)
+        })
+
         // Add an ldap compat search function type?
         /*
         .resource("/v1/list/{class_list}", |r| {

kanidmd/src/lib/event.rs

@@ -195,6 +195,13 @@ impl Event {
             _ => false,
         }
     }
+
+    pub fn get_uuid(&self) -> Option<&Uuid> {
+        match &self.origin {
+            EventOrigin::Internal => None,
+            EventOrigin::User(e) => Some(e.get_uuid()),
+        }
+    }
 }
 
 #[derive(Debug)]

kanidmd/src/lib/idm/account.rs

@@ -3,6 +3,7 @@ use kanidm_proto::v1::OperationError;
 
 use kanidm_proto::v1::UserAuthToken;
 
+use crate::constants::UUID_ANONYMOUS;
 use crate::credential::Credential;
 use crate::idm::claim::Claim;
 use crate::idm::group::Group;
@@ -93,6 +94,10 @@ impl Account {
         })
     }
 
+    pub fn is_anonymous(&self) -> bool {
+        self.uuid == *UUID_ANONYMOUS
+    }
+
     pub(crate) fn gen_password_mod(
         &self,
         cleartext: &str,

kanidmd/src/lib/idm/authsession.rs

@@ -1,5 +1,4 @@
 use crate::audit::AuditScope;
-use crate::constants::UUID_ANONYMOUS;
 use crate::idm::account::Account;
 use crate::idm::claim::Claim;
 use kanidm_proto::v1::OperationError;
@@ -159,7 +158,7 @@ impl AuthSession {
                 // We want the primary handler - this is where we make a decision
                 // based on the anonymous ... in theory this could be cleaner
                 // and interact with the account more?
-                if account.uuid == UUID_ANONYMOUS.clone() {
+                if account.is_anonymous() {
                     CredHandler::Anonymous
                 } else {
                     // Now we see if they have one ...

kanidmd/src/lib/idm/event.rs

@@ -1,6 +1,12 @@
+use crate::actors::v1::IdmAccountSetPasswordMessage;
+use crate::audit::AuditScope;
 use crate::event::Event;
+use crate::server::QueryServerWriteTransaction;
+
 use uuid::Uuid;
 
+use kanidm_proto::v1::OperationError;
+
 #[derive(Debug)]
 pub struct PasswordChangeEvent {
     pub event: Event,
@@ -18,4 +24,20 @@ impl PasswordChangeEvent {
             appid: appid.map(|v| v.to_string()),
         }
     }
+
+    pub fn from_idm_account_set_password(
+        audit: &mut AuditScope,
+        qs: &QueryServerWriteTransaction,
+        msg: IdmAccountSetPasswordMessage,
+    ) -> Result<Self, OperationError> {
+        let e = Event::from_rw_uat(audit, qs, msg.uat)?;
+        let u = e.get_uuid().ok_or(OperationError::InvalidState)?.clone();
+
+        Ok(PasswordChangeEvent {
+            event: e,
+            target: u,
+            cleartext: msg.cleartext,
+            appid: None,
+        })
+    }
 }

kanidmd/src/lib/idm/mod.rs

@@ -1,10 +1,10 @@
 #[macro_use]
 mod macros;
-mod event;
 
 pub(crate) mod account;
 pub(crate) mod authsession;
 pub(crate) mod claim;
+pub(crate) mod event;
 pub(crate) mod group;
 pub(crate) mod server;
 // mod identity;

kanidmd/src/lib/idm/server.rs

@@ -51,7 +51,7 @@ pub struct IdmServerReadTransaction<'a> {
 pub struct IdmServerProxyWriteTransaction<'a> {
     // This does NOT take any read to the memory content, allowing safe
     // qs operations to occur through this interface.
-    qs_write: QueryServerWriteTransaction<'a>,
+    pub qs_write: QueryServerWriteTransaction<'a>,
 }
 
 impl IdmServer {
@@ -225,15 +225,25 @@ impl<'a> IdmServerProxyWriteTransaction<'a> {
         au: &mut AuditScope,
         pce: &PasswordChangeEvent,
     ) -> Result<(), OperationError> {
+        // Get the account
+        let account_entry = try_audit!(au, self.qs_write.internal_search_uuid(au, &pce.target));
+        let account = try_audit!(au, Account::try_from_entry(account_entry));
+        // Ask if tis all good - this step checks pwpolicy and such
+
+        // Deny the change if the account is anonymous!
+        if account.is_anonymous() {
+            return Err(OperationError::SystemProtectedObject);
+        }
+
         // TODO: Is it a security issue to reveal pw policy checks BEFORE permission is
         // determined over the credential modification?
         //
         // I don't think so - because we should only be showing how STRONG the pw is ...
 
-        // Get the account
-        let account_entry = try_audit!(au, self.qs_write.internal_search_uuid(au, &pce.target));
-        let account = try_audit!(au, Account::try_from_entry(account_entry));
-        // Ask if tis all good - this step checks pwpolicy and such
+        // is the password long enough?
+
+        // check a password badlist
+
         // it returns a modify
         let modlist = try_audit!(
             au,
@@ -281,7 +291,7 @@ impl<'a> IdmServerProxyWriteTransaction<'a> {
 
 #[cfg(test)]
 mod tests {
-    use crate::constants::{AUTH_SESSION_TIMEOUT, UUID_ADMIN};
+    use crate::constants::{AUTH_SESSION_TIMEOUT, UUID_ADMIN, UUID_ANONYMOUS};
     use crate::credential::Credential;
     use crate::event::{AuthEvent, AuthResult, ModifyEvent};
     use crate::idm::event::PasswordChangeEvent;
@@ -551,6 +561,17 @@ mod tests {
         })
     }
 
+    #[test]
+    fn test_idm_anonymous_set_password_denied() {
+        run_idm_test!(|_qs: &QueryServer, idms: &IdmServer, au: &mut AuditScope| {
+            let pce = PasswordChangeEvent::new_internal(&UUID_ANONYMOUS, TEST_PASSWORD, None);
+
+            let mut idms_prox_write = idms.proxy_write();
+            assert!(idms_prox_write.set_account_password(au, &pce).is_err());
+            assert!(idms_prox_write.commit(au).is_ok());
+        })
+    }
+
     #[test]
     fn test_idm_session_expire() {
         run_idm_test!(|qs: &QueryServer, idms: &IdmServer, au: &mut AuditScope| {