store

package
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 Go to latest Published: Jan 6, 2019 License: GPL-3.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Close 

func Close() error

Close terminates connection to persistent storage.

func DecodeUid 

func DecodeUid(uid types.Uid) int64

DecodeUid takes an XTEA encrypted Uid and decrypts it into an int64. This is needed for sql compatibility. Tte original int64 values are generated by snowflake which ensures that the top bit is unset.

func EncodeUid 

func EncodeUid(id int64) types.Uid

EncodeUid applies XTEA encryption to an int64 value. It's the inverse of DecodeUid.

func GetAdapterName 

func GetAdapterName() string

GetAdapterName returns the name of the current adater.

func GetAuthHandler 

func GetAuthHandler(name string) auth.AuthHandler

GetAuthHandler returns an auth handler by actual hardcoded name irrspectful of logical naming.

func GetAuthNames 

func GetAuthNames() []string

GetAuthNames returns all addressable auth handler names, logical and hardcoded excluding those which are disabled like "basic:".

func GetLogicalAuthHandler 

func GetLogicalAuthHandler(name string) auth.AuthHandler

GetLogicalAuthHandler returns an auth handler by logical name. If there is no handler by that logical name it tries to find one by the hardcoded name.

func GetMediaHandler 

func GetMediaHandler() media.Handler

GetMediaHandler returns default media handler.

func GetUid 

func GetUid() types.Uid

GetUid generates a unique ID suitable for use as a primary key.

func GetUidString 

func GetUidString() string

GetUidString generate unique ID as string

func GetValidator 

func GetValidator(name string) validate.Validator

GetValidator returns registered validator by name.

func InitAuthLogicalNames 

func InitAuthLogicalNames(config json.RawMessage) error

InitAuthLogicalNames initializes authentication mapping "logical handler name":"actual handler name". Logical name must not be empty, actual name could be an empty string.

func InitDb 

func InitDb(jsonconf string, reset bool) error

InitDb creates a new database instance. If 'reset' is true it will first attempt to drop existing database. If jsconf is nil it will assume that the connection is already open. If it's non-nil, it will use the config string to open the DB connection first.

func IsOpen 

func IsOpen() bool

IsOpen checks if persistent storage connection has been initialized.

func Open 

func Open(workerId int, jsonconf string) error

Open initializes the persistence system. Adapter holds a connection pool for a database instance. 

	 name - name of the adapter rquested in the config file
  jsonconf - configuration string

func RegisterAdapter 

func RegisterAdapter(name string, a adapter.Adapter)

RegisterAdapter makes a persistence adapter available. If Register is called twice or if the adapter is nil, it panics.

func RegisterAuthScheme 

func RegisterAuthScheme(name string, handler auth.AuthHandler)

RegisterAuthScheme registers an authentication scheme handler. The 'name' must be the hardcoded name, NOT the logical name.

func RegisterMediaHandler 

func RegisterMediaHandler(name string, mh media.Handler)

RegisterMediaHandler saves reference to a media handler (file upload-download handler).

func RegisterValidator 

func RegisterValidator(name string, v validate.Validator)

RegisterValidator registers validation scheme.

func UseMediaHandler 

func UseMediaHandler(name, config string) error

UseMediaHandler sets specified media handler as default.

Types

type DeviceMapper 

type DeviceMapper struct{}

DeviceMapper is a struct to map methods used for handling device IDs, used to generate push notifications. 

var Devices DeviceMapper

Devices is an instance of DeviceMapper to map methods to.

func (DeviceMapper) Delete 

func (DeviceMapper) Delete(uid types.Uid, deviceID string) error

Delete deletes device record for a given user.

func (DeviceMapper) GetAll 

func (DeviceMapper) GetAll(uid ...types.Uid) (map[types.Uid][]types.DeviceDef, int, error)

GetAll returns all known device IDS for a given list of user IDs.

func (DeviceMapper) Update 

func (DeviceMapper) Update(uid types.Uid, oldDeviceID string, dev *types.DeviceDef) error

Update updates a device record.

type FileMapper 

type FileMapper struct{}

FileMapper is a struct to map methods used for file handling. 

var Files FileMapper

Files is an instance of FileMapper to be used for handling file uploads.

func (FileMapper) DeleteUnused 

func (FileMapper) DeleteUnused(olderThan time.Time, limit int) error

DeleteUnused removes unused attachments.

func (FileMapper) FinishUpload 

func (FileMapper) FinishUpload(fid string, success bool, size int64) (*types.FileDef, error)

FinishUpload marks started upload as successfully finished.

func (FileMapper) Get 

func (FileMapper) Get(fid string) (*types.FileDef, error)

Get fetches a file record for a unique file id.

func (FileMapper) StartUpload 

func (FileMapper) StartUpload(fd *types.FileDef) error

StartUpload records that the given user initiated a file upload

type MessagesObjMapper 

type MessagesObjMapper struct{}

MessagesObjMapper is a struct to hold methods for persistence mapping for the Message object. 

var Messages MessagesObjMapper

Messages is an instance of MessagesObjMapper to map methods to.

func (MessagesObjMapper) DeleteList 

func (MessagesObjMapper) DeleteList(topic string, delID int, forUser types.Uid, ranges []types.Range) error

DeleteList deletes multiple messages defined by a list of ranges.

func (MessagesObjMapper) GetAll 

func (MessagesObjMapper) GetAll(topic string, forUser types.Uid, opt *types.QueryOpt) ([]types.Message, error)

GetAll returns multiple messages.

func (MessagesObjMapper) GetDeleted 

func (MessagesObjMapper) GetDeleted(topic string, forUser types.Uid, opt *types.QueryOpt) ([]types.Range, int, error)

GetDeleted returns the ranges of deleted messages and the largest DelId reported in the list.

func (MessagesObjMapper) Save 

func (MessagesObjMapper) Save(msg *types.Message) error

Save message

type SubsObjMapper 

type SubsObjMapper struct{}

SubsObjMapper is A struct to hold methods for persistence mapping for the Subscription object. 

var Subs SubsObjMapper

Subs is an instance of SubsObjMapper to map methods to.

func (SubsObjMapper) Create 

func (SubsObjMapper) Create(subs ...*types.Subscription) error

Create creates multiple subscriptions

func (SubsObjMapper) Delete 

func (SubsObjMapper) Delete(topic string, user types.Uid) error

Delete deletes a subscription

func (SubsObjMapper) Get 

func (SubsObjMapper) Get(topic string, user types.Uid) (*types.Subscription, error)

Get given subscription

func (SubsObjMapper) Update 

func (SubsObjMapper) Update(topic string, user types.Uid, update map[string]interface{}, updateTS bool) error

Update values of topic's subscriptions.

type TopicsObjMapper 

type TopicsObjMapper struct{}

TopicsObjMapper is a struct to hold methods for persistence mapping for the topic object. 

var Topics TopicsObjMapper

Topics is an instance of TopicsObjMapper to map methods to.

func (TopicsObjMapper) Create 

func (TopicsObjMapper) Create(topic *types.Topic, owner types.Uid, private interface{}) error

Create creates a topic and owner's subscription to it.

func (TopicsObjMapper) CreateP2P 

func (TopicsObjMapper) CreateP2P(initiator, invited *types.Subscription) error

CreateP2P creates a P2P topic by generating two user's subsciptions to each other.

func (TopicsObjMapper) Delete 

func (TopicsObjMapper) Delete(topic string, hard bool) error

Delete deletes topic, messages, attachments, and subscriptions.

func (TopicsObjMapper) Get 

func (TopicsObjMapper) Get(topic string) (*types.Topic, error)

Get a single topic with a list of relevant users de-normalized into it

func (TopicsObjMapper) GetSubs 

func (TopicsObjMapper) GetSubs(topic string, opts *types.QueryOpt) ([]types.Subscription, error)

GetSubs loads a list of subscriptions to the given topic, user.Public and deleted subscriptions are not loaded

func (TopicsObjMapper) GetSubsAny 

func (TopicsObjMapper) GetSubsAny(topic string, opts *types.QueryOpt) ([]types.Subscription, error)

GetSubsAny loads a list of subscriptions to the given topic including deleted subscription. user.Public is not loaded

func (TopicsObjMapper) GetUsers 

func (TopicsObjMapper) GetUsers(topic string, opts *types.QueryOpt) ([]types.Subscription, error)

GetUsers loads subscriptions for topic plus loads user.Public

func (TopicsObjMapper) GetUsersAny 

func (TopicsObjMapper) GetUsersAny(topic string, opts *types.QueryOpt) ([]types.Subscription, error)

GetUsersAny is the same as GetUsers, except it loads deleted subscriptions too.

func (TopicsObjMapper) OwnerChange 

func (TopicsObjMapper) OwnerChange(topic string, newOwner, oldOwner types.Uid) error

Delete deletes topic, messages, attachments, and subscriptions.

func (TopicsObjMapper) Update 

func (TopicsObjMapper) Update(topic string, update map[string]interface{}) error

Update is a generic topic update.

type UsersObjMapper 

type UsersObjMapper struct{}

UsersObjMapper is a users struct to hold methods for persistence mapping for the User object. 

var Users UsersObjMapper

Users is the ancor for storing/retrieving User objects

func (UsersObjMapper) AddAuthRecord 

func (UsersObjMapper) AddAuthRecord(uid types.Uid, authLvl auth.Level, scheme, unique string, secret []byte,
	expires time.Time) (bool, error)

AddAuthRecord creates a new authentication record for the given user.

func (UsersObjMapper) ConfirmCred 

func (UsersObjMapper) ConfirmCred(id types.Uid, method string) error

ConfirmCred marks credential as confirmed.

func (UsersObjMapper) Create 

func (UsersObjMapper) Create(user *types.User, private interface{}) (*types.User, error)

Create inserts User object into a database, updates creation time and assigns UID

func (UsersObjMapper) DelAuthRecords 

func (UsersObjMapper) DelAuthRecords(uid types.Uid, scheme string) error

DelAuthRecords deletes user's auth records of the given scheme.

func (UsersObjMapper) DelCred 

func (UsersObjMapper) DelCred(id types.Uid, method string) error

DelCred deletes user's credentials. If method is "" all credentials are deleted.

func (UsersObjMapper) Delete 

func (UsersObjMapper) Delete(id types.Uid, hard bool) error

Delete deletes user records.

func (UsersObjMapper) FailCred 

func (UsersObjMapper) FailCred(id types.Uid, method string) error

FailCred increments fail count.

func (UsersObjMapper) FindSubs 

func (UsersObjMapper) FindSubs(id types.Uid, required, optional []string) ([]types.Subscription, error)

FindSubs find a list of users and topics for the given tags. Results are formatted as subscriptions.

func (UsersObjMapper) Get 

func (UsersObjMapper) Get(uid types.Uid) (*types.User, error)

Get returns a user object for the given user id

func (UsersObjMapper) GetAll 

func (UsersObjMapper) GetAll(uid ...types.Uid) ([]types.User, error)

GetAll returns a slice of user objects for the given user ids

func (UsersObjMapper) GetAllCred 

func (UsersObjMapper) GetAllCred(id types.Uid) ([]*types.Credential, error)

GetAllCred retrieves all confimed credential for the given user.

func (UsersObjMapper) GetAuthRecord 

func (UsersObjMapper) GetAuthRecord(user types.Uid, scheme string) (string, auth.Level, []byte, time.Time, error)

GetAuthRecord takes a user ID and a authentication scheme name, fetches unique scheme-dependent identifier and authentication secret.

func (UsersObjMapper) GetAuthUniqueRecord 

func (UsersObjMapper) GetAuthUniqueRecord(scheme, unique string) (types.Uid, auth.Level, []byte, time.Time, error)

GetAuthUniqueRecord takes a unique identifier and a authentication scheme name, fetches user ID and authentication secret.

func (UsersObjMapper) GetByCred 

func (UsersObjMapper) GetByCred(method, value string) (types.Uid, error)

GetByCred returns user ID for the given validated credential.

func (UsersObjMapper) GetCred 

func (UsersObjMapper) GetCred(id types.Uid, method string) (*types.Credential, error)

GetCred gets a list of confirmed credentials.

func (UsersObjMapper) GetDisabled 

func (UsersObjMapper) GetDisabled(since time.Time) ([]types.Uid, error)

GetDisabled returns user IDs which were disabled (soft-deleted) since specifid time.

func (UsersObjMapper) GetOwnTopics 

func (UsersObjMapper) GetOwnTopics(id types.Uid, opts *types.QueryOpt) ([]string, error)

GetOwnTopics retuens a slice of group topic names where the user is the owner.

func (UsersObjMapper) GetSubs 

func (UsersObjMapper) GetSubs(id types.Uid, opts *types.QueryOpt) ([]types.Subscription, error)

GetSubs loads a list of subscriptions for the given user

func (UsersObjMapper) GetTopics 

func (UsersObjMapper) GetTopics(id types.Uid, opts *types.QueryOpt) ([]types.Subscription, error)

GetTopics load a list of user's subscriptions with Public field copied to subscription

func (UsersObjMapper) GetTopicsAny 

func (UsersObjMapper) GetTopicsAny(id types.Uid, opts *types.QueryOpt) ([]types.Subscription, error)

GetTopicsAny load a list of user's subscriptions with Public field copied to subscription. Deleted topics are returned too.

func (UsersObjMapper) SaveCred 

func (UsersObjMapper) SaveCred(cred *types.Credential) error

SaveCred saves a credential validation request.

func (UsersObjMapper) Update 

func (UsersObjMapper) Update(uid types.Uid, update map[string]interface{}) error

Update is a generic user data update.

func (UsersObjMapper) UpdateAuthRecord 

func (UsersObjMapper) UpdateAuthRecord(uid types.Uid, authLvl auth.Level, scheme, unique string,
	secret []byte, expires time.Time) (bool, error)

UpdateAuthRecord updates authentication record with a new secret and expiration time.

func (UsersObjMapper) UpdateLastSeen 

func (UsersObjMapper) UpdateLastSeen(uid types.Uid, userAgent string, when time.Time) error

UpdateLastSeen updates LastSeen and UserAgent.

func (UsersObjMapper) UpdateTags 

func (UsersObjMapper) UpdateTags(uid types.Uid, tags []string, reset bool) error

UpdateTags either resets tags to the given slice or creates a union of existing tags and the new ones.

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