[MM-37984] Allow Desktop App to authenticate via external providers outside of the app on supported servers (#24140)

* [MM-37984] Allow Desktop App to authenticate via external providers outside of the app on supported servers

* PR feedback

* Add support for mattermost-dev protocol for development use

* Update server/channels/db/migrations/postgres/000110_create_desktop_tokens.up.sql

* Fix silly typo

* Update server/channels/db/migrations/postgres/000110_create_desktop_tokens.up.sql

* Remove storage of client token, only validate it on the client

* Update migrations

* Add concurrently create index

* Remove CONCURRENTLY for now

* Fix issue with changing history

* Remove old migration

* Use idempotent statement to drop old index

* Remove reference to old table

server/public/model/job.go

@@ -36,6 +36,7 @@ const (
 	JobTypeInstallPluginNotifyAdmin     = "install_plugin_notify_admin"
 	JobTypeHostedPurchaseScreening      = "hosted_purchase_screening"
 	JobTypeS3PathMigration              = "s3_path_migration"
+	JobTypeCleanupDesktopTokens         = "cleanup_desktop_tokens"
 
 	JobStatusPending         = "pending"
 	JobStatusInProgress      = "in_progress"
@@ -66,6 +67,7 @@ var AllJobTypes = [...]string{
 	JobTypeExtractContent,
 	JobTypeLastAccessiblePost,
 	JobTypeLastAccessibleFile,
+	JobTypeCleanupDesktopTokens,
 }
 
 type Job struct {

server/public/model/user.go

@@ -62,6 +62,8 @@ const (
 	UserLocaleMaxLength   = 5
 	UserTimezoneMaxRunes  = 256
 	UserRolesMaxLength    = 256
+
+	DesktopTokenTTL = time.Minute * 3
 )
 
 //msgp:tuple User