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= OpenSimulator Internals/Connector Architecture/UserAccount Connector =

== Overview ==

UserAccountServicesConnector is the simulator-side remote connector for IUserAccountService. It translates IUserAccountService calls into HTTP POST requests to the ROBUST UserAccount handler at /accounts.

Source file:

OpenSim/Services/Connectors/UserAccountServicesConnector.cs

----

=== Initialisation ===

Config section: [UserAccountService]

Required key:
* UserAccountServerURI -- URL of the ROBUST UserAccount endpoint; throws if missing or unresolvable

Base class BaseServiceConnector.Initialise() called for auth setup.

Three constructors:
* Default (no args) -- URI must be set externally
* String URI -- used by callers that pass the URI directly
* IConfigSource -- calls Initialise(), normal grid mode

----

=== Transport ===

All methods POST to m_ServerURI + "/accounts" using SynchronousRestFormsRequester.

All requests include:
* VERSIONMIN / VERSIONMAX -- protocol version negotiation
* METHOD -- identifies the operation

Two internal helpers:

SendAndGetReply() -- used by single-account GET methods and StoreUserAccount():
* POSTs, parses XML response
* Returns UserAccount constructed from result dictionary, or null

SendAndGetBoolReply() -- defined but not called by any method in this file. Dead code.

----

=== Methods ===

{| class="wikitable"
! Method !! METHOD field !! Notes
|-
| GetUserAccount(scopeID, firstName, lastName) || "getaccount" || Lookup by name
|-
| GetUserAccount(scopeID, email) || "getaccount" || Lookup by email
|-
| GetUserAccount(scopeID, userID) || "getaccount" || Lookup by UUID
|-
| GetUserAccounts(scopeID, query) || "getaccounts" || Search by name fragment; returns List<UserAccount>
|-
| GetUserAccounts(scopeID, List<string> IDs) || "getmultiaccounts" || Batch lookup by UUID list; falls back to one-by-one if server returns "Failure"
|-
| StoreUserAccount(data) || "setaccount" || Serializes UserAccount via ToKeyValuePairs(); returns true if result is non-null
|-
| CreateUser(first, last, password, email, scopeID) || "createuser" || Remote user creation; not part of IUserAccountService interface
|-
| InvalidateCache(userID) || (none) || No-op -- cache invalidation not implemented for remote connector
|-
| GetUserAccountsWhere(scopeID, where) || (none) || Always returns null -- not implemented for regions
|}

GetUserAccounts(List<string> IDs) fallback:
* Tries "getmultiaccounts" first
* If result == "Failure": sets suported = false, falls back to calling GetUserAccount(scopeID, uuid) one by one
* Skips IDs that are not valid non-zero UUIDs in the fallback path

----

=== Notes ===

* CreateUser() has a bug: the email field sends first name instead of the email value. The line reads sendData["Email"] = first rather than sendData["Email"] = email.
* SendAndGetBoolReply() is defined but never called -- dead code.
* InvalidateCache() is a no-op -- the remote connector has no local cache to invalidate.
* GetUserAccountsWhere() returns null unconditionally -- SQL WHERE clause queries are not supported over HTTP.
* ScopeID fields are present in the code but some are commented out.

----

== See Also ==

* [[OpenSimulator Internals/Connector Architecture]]
* [[OpenSimulator Internals/Code Map/ROBUST/UserAccountService]]
* [[OpenSimulator Internals/Code Map/Shared]]

OpenSimulator Internals/Connector Architecture/UserAccount Connector - Revision history

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