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* Merge 0.12->trunkKim Alvefur2023-05-241-0/+2
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| * mod_s2s: Add event where resolver for s2sout can be tweakedKim Alvefur2022-08-181-0/+2
| | | | | | | | | | | | | | | | Could be used to implement custom connection methods (c.f. mod_onions) without needing to duplicate the rest of route_to_new_session(). Adds a feature to enable detection since it can be difficult to detect support for an event otherwise.
* | core.sessionmanager: Delay closing a replaced connection after replacementKim Alvefur2023-05-071-2/+1
| | | | | | | | | | | | | | | | | | | | Closing the session invokes ondisconnect and session close logic, including mod_smacks hibernation and the timer that destroys the session after a timeout. By closing the connection after it has been detached from the sessions table it will no longer invoke the ondetach handler, which should prevent the above problem.
* | moduleapi: Add luacheck annotation to suppress warning about unused selfMatthew Wild2023-04-011-1/+1
| | | | | | | | | | This is a convenience function, and there is currently no module-specific code required to implement it. Not using 'self' is to be expected.
* | moduleapi: Add module:once() to execute a function after module load/startupMatthew Wild2023-04-011-0/+5
| | | | | | | | | | | | | | | | | | | | It is a common pattern for modules to do something like check for prosody.start_time, and execute code immediately if it is present, or wait for the server-started event if it isn't yet. For example, this allows you to run code after all other modules/hosts have been loaded, that are going to be loaded. Such code can now be replaced with a simple call to this method.
* | sessionmanager: Preserve 'since' property of original session after resumptionMatthew Wild2023-03-291-0/+1
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* | moduleapi: Add 'peek' to :may() and new :could() helper to suppress loggingMatthew Wild2023-03-261-7/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | The current method logs scary "access denied" messages on failure - this is generally very useful when debugging access control stuff, but in some cases the call is simply a check to see if someone *could* perform an action, even if they haven't requested it yet. One example is determining whether to show the user as an admin in disco. The 'peek' parameter, if true, will suppress such logging. The :could() method is just a simple helper that can make the calling code a bit more readable (suggested by Zash).
* | moduleapi: may: Fail early if a local session has no role assignedMatthew Wild2023-03-251-3/+8
| | | | | | | | | | | | | | We expect every session to explicitly have a role assigned. Falling back to any kind of "default" role (even the user's default role) in the absence of an explicit role could open up the possibility of accidental privilege escalation.
* | core.usermanager: Correct formatting of not implemented errorKim Alvefur2023-03-261-4/+4
| | | | | | | | Spaces, no hyphen, apparently.
* | core: Prefix module imports with prosody namespaceKim Alvefur2023-03-1715-103/+103
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* | features: Add "keyval+"Matthew Wild2023-03-211-0/+2
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* | storagemanager: Add keyval+ (combined keyval + map) store typeMatthew Wild2022-09-271-0/+73
| | | | | | | | | | | | | | | | This combines the two most common store types, which modules often end up opening with both interfaces separately anyway. As well as combining them, I've taken the opportunity to improve some of the method names to make them clearer.
* | core.features: Add feature for prosody.loaderKim Alvefur2023-03-181-0/+2
| | | | | | | | Allows modules explicit dependencies upon its availability
* | core.moduleapi: Record reverse dependenciesKim Alvefur2023-03-051-0/+4
| | | | | | | | | | Useful to know why a module was auto-loaded without having to dig trough all other modules for the one that depends on it.
* | authz: Add method for retrieving all rolesKim Alvefur2023-03-041-0/+7
| | | | | | | | | | | | | | | | Some of the OAuth stuff highlights a small need to retrieve a list of roles somehow. Handy if you ever need a role selector in adhoc or something. Unless there's some O(n) thing we were avoiding?
* | core.usermanager: Fire events when enabling and disabling usersKim Alvefur2023-02-231-2/+10
| | | | | | | | Allow modules to act on this state change, e.g. kick accounts etc.
* | core.usermanager: Add methods for enabling and disabling usersKim Alvefur2023-02-231-0/+32
| | | | | | | | Calling into the auth module, where available.
* | Merge 0.12->trunkMatthew Wild2023-02-091-4/+11
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| * sessionmanager: Improve logging around session destructionMatthew Wild2023-02-091-3/+10
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| * core.sessionmanager: Mark session as destroyed to prevent reentryKim Alvefur2023-01-191-0/+1
| | | | | | | | | | If it reaches this point, then the session will be most definitely be destroyed, so try to prevent destroy_session() from being called again.
| * core.sessionmanager: Skip log when (not) destroying destroyed sessionsKim Alvefur2023-01-191-2/+1
| | | | | | | | | | | | | | | | | | On regular disconnects, </stream> is sent, then sessionmanager.destroy_session() is called, then sessionmanager.destroy_session() is called again when the TCP connection is closed, from ondisconnect in mod_c2s. It is a bit annoying and doesn't really tell you much.
* | core.moduleapi: Fix passing variable to loggingKim Alvefur2023-01-311-1/+1
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* | sessionmanager: Fire event before retiring old sessionMatthew Wild2022-12-291-3/+4
| | | | | | | | | | This allows for modules to update fields, which is generally better than maintaining this hard-coded list of transferable properties here.
* | sessionmanager: Pluck sasl_handler from old session when resuming (fixes #1785)Matthew Wild2022-12-291-0/+1
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* | core.moduleapi: Check for local role-aware sessions before e.g. s2sKim Alvefur2022-08-291-9/+9
| | | | | | | | | | The condition checked for s2sin but not s2sout, so would have ignored bidi-enabled s2sout sessions. Components as well.
* | core.usermanager: Link to docs for new role API to make warning more actionableKim Alvefur2022-08-271-0/+1
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* | mod_s2s: Simplify conditionals since all sessions should have .host nowKim Alvefur2022-08-261-2/+2
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* | mod_smacks: Long overdue cleanup of resumption code, fixes some old TODOsMatthew Wild2022-08-261-1/+45
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* | core.usermanager: Update argument name in authz fallback methodKim Alvefur2022-08-181-1/+1
| | | | | | | | It's not plural
* | core.usermanager: Remove obsolete authz fallback methodKim Alvefur2022-08-181-1/+0
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* | core.usermanager: Add missing methods to fallback authz providerKim Alvefur2022-08-181-0/+3
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* | core.usermanager: Add scoped luacheck ignore rule to reduce clutterKim Alvefur2022-08-181-11/+12
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* | mod_authz_internal: Expose convenience method to test if user can assume roleMatthew Wild2022-08-181-0/+8
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* | mod_authz_internal, and more: New iteration of role APIMatthew Wild2022-08-173-21/+52
| | | | | | | | | | | | | | | | | | | | | | These changes to the API (hopefully the last) introduce a cleaner separation between the user's primary (default) role, and their secondary (optional) roles. To keep the code sane and reduce complexity, a data migration is needed for people using stored roles in 0.12. This can be performed with prosodyctl mod_authz_internal migrate <host>
* | usermanager: Add back temporary is_admin to warn about deprecated API usageMatthew Wild2022-08-151-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Goal: Introduce role-auth with minimal disruption is_admin() is unsafe in a system with per-session permissions, so it has been deprecated. Roll-out approach: 1) First, log a warning when is_admin() is used. It should continue to function normally, backed by the new role API. Nothing is really using per-session authz yet, so there is minimal security concern. The 'strict_deprecate_is_admin' global setting can be set to 'true' to force a hard failure of is_admin() attempts (it will log an error and always return false). 2) In some time (at least 1 week), but possibly longer depending on the number of affected deployments: switch 'strict_deprecate_is_admin' to 'true' by default. It can still be disabled for systems that need it. 3) Further in the future, before the next release, the option will be removed and is_admin() will be permanently disabled.
* | usermanager: Remove concept of global authz providerMatthew Wild2022-08-121-46/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rationale: - Removes a bunch of code! - We don't have many cases where an actor is not bound to one of our hosts - A notable exception is the admin shell, but if we ever attempt to lock those sessions down, there is a load of other work that also has to be done. And it's not clear if we would need a global authz provider for that anyway. - Removes an extra edge case from the necessary mental model for operators - Sessions that aren't bound to a host generally are anonymous or have an alternative auth model (such as by IP addres). - With the encapsulation now provided by util.roles, ad-hoc "detached roles" can still be created anyway by code that needs them.
* | usermanager: Fix method name of global authz provider (thanks Zash)Matthew Wild2022-08-121-1/+1
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* | usermanager: Remove obsolete function from global authz providerMatthew Wild2022-08-111-5/+0
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* | features: Add "permissions" feature for role-authMatthew Wild2022-08-111-0/+2
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* | usermanager: Handle local JIDs being passed to get/set_jid_role()Matthew Wild2022-08-011-1/+9
| | | | | | | | | | There is no reasonable fallback for set_jid_role() because users may have multiple roles, so that's an error.
* | core.usermanager: Add missing stub authz methods to global authz providerKim Alvefur2022-07-201-0/+7
| | | | | | | | Except, should we have a global authz provider at all?
* | moduleapi: Stricter type check for actor in permission checkKim Alvefur2022-07-201-1/+1
| | | | | | | | | | Non-table but truthy values would trigger "attempt to index a foo value" on the next line otherwise
* | moduleapi: Remove redundant expansion of ':' prefix in permission namesKim Alvefur2022-07-201-1/+0
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* | moduleapi: Distribute permissions set from global modules to all hostsKim Alvefur2022-07-201-0/+8
| | | | | | | | | | | | Roles and permissions will always happen in the context of a host. Prevents error upon indexing since `hosts["*"] == nil`
* | mod_authz_internal: Use util.roles, some API changes and config supportMatthew Wild2022-07-192-32/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit was too awkward to split (hg record didn't like it), so: - Switch to the new util.roles lib to provide a consistent representation of a role object. - Change API method from get_role_info() to get_role_by_name() (touches sessionmanager and usermanager) - Change get_roles() to get_user_roles(), take a username instead of a JID This is more consistent with all other usermanager API methods. - Support configuration of custom roles and permissions via the config file (to be documented).
* | usermanager, mod_auth_*: Add get_account_info() returning creation/update timeMatthew Wild2022-07-121-0/+7
| | | | | | | | | | | | | | This is useful for a number of things. For example, listing users that need to rotate their passwords after some event. It also provides a safer way for code to determine that a user password has changed without needing to set a handler for the password change event (which is a more fragile approach).
* | core.moduleapi: Expand permission name ':' prefix earlierKim Alvefur2022-06-151-3/+3
| | | | | | | | | | | | Ensures it applies to the context as string case Somehow this fixes everything
* | core.moduleapi: Fixup method nameKim Alvefur2022-06-151-1/+1
| | | | | | | | | | | | `get_user_role()` did not exist anywhere else. MattJ said `get_user_default_role()` was indented
* | Switch to a new role-based authorization framework, removing is_admin()Matthew Wild2022-06-153-9/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We began moving away from simple "is this user an admin?" permission checks before 0.12, with the introduction of mod_authz_internal and the ability to dynamically change the roles of individual users. The approach in 0.12 still had various limitations however, and apart from the introduction of roles other than "admin" and the ability to pull that info from storage, not much actually changed. This new framework shakes things up a lot, though aims to maintain the same functionality and behaviour on the surface for a default Prosody configuration. That is, if you don't take advantage of any of the new features, you shouldn't notice any change. The biggest change visible to developers is that usermanager.is_admin() (and the auth provider is_admin() method) have been removed. Gone. Completely. Permission checks should now be performed using a new module API method: module:may(action_name, context) This method accepts an action name, followed by either a JID (string) or (preferably) a table containing 'origin'/'session' and 'stanza' fields (e.g. the standard object passed to most events). It will return true if the action should be permitted, or false/nil otherwise. Modules should no longer perform permission checks based on the role name. E.g. a lot of code previously checked if the user's role was prosody:admin before permitting some action. Since many roles might now exist with similar permissions, and the permissions of prosody:admin may be redefined dynamically, it is no longer suitable to use this method for permission checks. Use module:may(). If you start an action name with ':' (recommended) then the current module's name will automatically be used as a prefix. To define a new permission, use the new module API: module:default_permission(role_name, action_name) module:default_permissions(role_name, { action_name[, action_name...] }) This grants the specified role permission to execute the named action(s) by default. This may be overridden via other mechanisms external to your module. The built-in roles that developers should use are: - prosody:user (normal user) - prosody:admin (host admin) - prosody:operator (global admin) The new prosody:operator role is intended for server-wide actions (such as shutting down Prosody). Finally, all usage of is_admin() in modules has been fixed by this commit. Some of these changes were trickier than others, but no change is expected to break existing deployments. EXCEPT: mod_auth_ldap no longer supports the ldap_admin_filter option. It's very possible nobody is using this, but if someone is then we can later update it to pull roles from LDAP somehow.
* | compat: Use table.pack (there since Lua 5.2) over our util.tableKim Alvefur2022-07-111-1/+1
| | | | | | | | | | Added in d278a770eddc avoid having to deal with its absence in Lua 5.1. No longer needed when Lua 5.1 support is dropped.