368 lines
9.7 KiB
Go
368 lines
9.7 KiB
Go
package entity
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import (
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"encoding/json"
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"net"
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"net/http"
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"time"
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"github.com/photoprism/photoprism/internal/event"
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"github.com/photoprism/photoprism/pkg/clean"
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"github.com/gin-gonic/gin"
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"github.com/jinzhu/gorm"
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"github.com/photoprism/photoprism/internal/i18n"
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"github.com/photoprism/photoprism/pkg/rnd"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// SessionPrefix for RefID.
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const (
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SessionPrefix = "sess"
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)
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// Sessions represents a list of sessions.
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type Sessions []Session
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// Session represents a User session.
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type Session struct {
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ID string `gorm:"type:VARBINARY(2048);primary_key;auto_increment:false;" json:"ID" yaml:"ID"`
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Status int `gorm:"-"`
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AuthMethod string `gorm:"type:VARBINARY(128);default:'';" json:"AuthMethod,omitempty" yaml:"AuthMethod,omitempty"`
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AuthProvider string `gorm:"type:VARBINARY(128);default:'';" json:"AuthProvider,omitempty" yaml:"AuthProvider,omitempty"`
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AuthScope string `gorm:"size:1024;default:'';" json:"AuthScope,omitempty" yaml:"AuthScope,omitempty"`
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AuthID string `gorm:"type:VARBINARY(128);index;default:'';" json:"AuthID,omitempty" yaml:"AuthID,omitempty"`
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UserUID string `gorm:"type:VARBINARY(64);index;default:'';" json:"UserUID,omitempty" yaml:"UserUID,omitempty"`
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UserName string `gorm:"size:64;index;" json:"UserName,omitempty" yaml:"UserName,omitempty"`
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user *User `gorm:"-"`
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PreviewToken string `gorm:"type:VARBINARY(64);column:preview_token;default:'';" json:"-" yaml:"-"`
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DownloadToken string `gorm:"type:VARBINARY(64);column:download_token;default:'';" json:"-" yaml:"-"`
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AccessToken string `gorm:"type:VARBINARY(4096);column:access_token;default:'';" json:"-" yaml:"-"`
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RefreshToken string `gorm:"type:VARBINARY(512);column:refresh_token;default:'';" json:"-" yaml:"-"`
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IdToken string `gorm:"type:VARBINARY(1024);column:id_token;default:'';" json:"IdToken,omitempty" yaml:"IdToken,omitempty"`
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UserAgent string `gorm:"size:512;" json:"UserAgent,omitempty" yaml:"UserAgent,omitempty"`
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ClientIP string `gorm:"size:64;column:client_ip;" json:"ClientIP,omitempty" yaml:"ClientIP,omitempty"`
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LoginIP string `gorm:"size:64;column:login_ip" json:"-" yaml:"-"`
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LoginAt time.Time `json:"-" yaml:"-"`
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DataJSON json.RawMessage `gorm:"type:VARBINARY(4096);" json:"Data,omitempty" yaml:"Data,omitempty"`
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data *SessionData `gorm:"-"`
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RefID string `gorm:"type:VARBINARY(16);default:'';" json:"-" yaml:"-"`
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CreatedAt time.Time `json:"CreatedAt" yaml:"CreatedAt"`
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UpdatedAt time.Time `json:"UpdatedAt" yaml:"UpdatedAt"`
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ExpiresAt time.Time `sql:"index" json:"ExpiresAt,omitempty" yaml:"ExpiresAt,omitempty"`
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}
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// TableName returns the entity table name.
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func (Session) TableName() string {
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return "auth_sessions_dev"
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}
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// NewSession creates a new session and returns it.
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func NewSession(expiresAfter time.Duration) (m *Session) {
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m = &Session{
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ID: rnd.SessionID(),
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RefID: rnd.RefID(SessionPrefix),
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CreatedAt: TimeStamp(),
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UpdatedAt: TimeStamp(),
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ExpiresAt: time.Now().Add(expiresAfter),
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}
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return m
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}
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// SessionStatusUnauthorized returns a session with status unauthorized (401).
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func SessionStatusUnauthorized() *Session {
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return &Session{Status: http.StatusUnauthorized}
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}
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// SessionStatusForbidden returns a session with status forbidden (403).
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func SessionStatusForbidden() *Session {
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return &Session{Status: http.StatusForbidden}
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}
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// CacheDuration updates the session entity cache.
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func (m *Session) CacheDuration(d time.Duration) {
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if !rnd.IsSessionID(m.ID) {
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return
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}
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sessionCache.Set(m.ID, *m, d)
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}
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// Cache caches the session with the default expiration duration.
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func (m *Session) Cache() {
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m.CacheDuration(sessionCacheExpiration)
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}
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// Create new entity in the database.
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func (m *Session) Create() (err error) {
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if err = Db().Create(m).Error; err == nil && rnd.IsSessionID(m.ID) {
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m.Cache()
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}
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return err
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}
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// Save entity properties.
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func (m *Session) Save() (err error) {
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if err = Db().Save(m).Error; err == nil && rnd.IsSessionID(m.ID) {
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m.Cache()
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}
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return err
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}
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// Delete removes a session.
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func (m *Session) Delete() error {
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DeleteFromSessionCache(m.ID)
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return UnscopedDb().Delete(m).Error
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}
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// Updates multiple properties in the database.
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func (m *Session) Updates(values interface{}) error {
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return UnscopedDb().Model(m).Updates(values).Error
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}
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// BeforeCreate creates a random UID if needed before inserting a new row to the database.
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func (m *Session) BeforeCreate(scope *gorm.Scope) error {
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if rnd.InvalidRefID(m.RefID) {
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m.RefID = rnd.RefID(SessionPrefix)
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_ = scope.SetColumn("RefID", m.RefID)
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}
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if rnd.IsSessionID(m.ID) {
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return nil
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}
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m.ID = rnd.SessionID()
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return scope.SetColumn("ID", m.ID)
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}
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// User returns the session's user.
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func (m *Session) User() *User {
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if m.user != nil {
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return m.user
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}
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if u := FindUserByUID(m.UserUID); u != nil {
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m.user = u
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return m.user
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}
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return &User{}
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}
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// RefreshUser updates the cached user data.
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func (m *Session) RefreshUser() *Session {
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// Remove user if uid is nil.
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if m.UserUID == "" {
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m.user = nil
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return m
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}
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// Fetch matching record.
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if u := FindUserByUID(m.UserUID); u != nil {
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m.user = u
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}
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return m
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}
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// SetUser updates the session's user.
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func (m *Session) SetUser(u *User) *Session {
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if u == nil {
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return m
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}
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m.user = u
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if u.UserUID != "" {
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m.UserUID = u.UserUID
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m.UserName = u.UserName
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}
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if u.DownloadToken != "" {
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m.DownloadToken = u.DownloadToken
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}
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if u.PreviewToken != "" {
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m.PreviewToken = u.PreviewToken
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}
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return m
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}
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// Data returns the session's data.
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func (m *Session) Data() (data *SessionData) {
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if m.data != nil {
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data = m.data
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}
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data = NewSessionData()
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if len(m.DataJSON) == 0 {
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return data
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} else if err := json.Unmarshal(m.DataJSON, data); err != nil {
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log.Errorf("failed parsing session json: %s", err)
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} else {
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data.RefreshShares()
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m.data = data
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}
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return data
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}
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// SetData updates the session's data.
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func (m *Session) SetData(data *SessionData) *Session {
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if data == nil {
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log.Debugf("auth: empty data passed to session %s", m.RefID)
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return m
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}
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// Refresh session data.
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data.RefreshShares()
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if j, err := json.Marshal(data); err != nil {
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log.Debugf("auth: %s", err)
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} else {
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m.DataJSON = j
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}
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m.data = data
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return m
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}
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// SetContext updates the session's request context.
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func (m *Session) SetContext(c *gin.Context) *Session {
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if c == nil {
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return m
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}
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m.SetClientIP(c.ClientIP())
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m.SetUserAgent(c.GetHeader("User-Agent"))
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return m
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}
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// IsVisitor checks if the session belongs to a sharing link visitor.
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func (m *Session) IsVisitor() bool {
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return m.User().IsVisitor()
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}
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// IsRegistered checks if the session belongs to a registered user account.
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func (m *Session) IsRegistered() bool {
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return m.User().IsRegistered()
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}
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// Unregistered checks if the session belongs to a unregistered user.
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func (m *Session) Unregistered() bool {
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return !m.User().IsRegistered()
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}
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// NoShares checks if the session has no shares yet.
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func (m *Session) NoShares() bool {
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return m.Data().NoShares()
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}
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// HasShares checks if the session has any shares.
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func (m *Session) HasShares() bool {
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return m.Data().HasShares()
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}
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// HasShare if the session includes the specified share
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func (m *Session) HasShare(uid string) bool {
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return m.Data().HasShare(uid)
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}
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// Expired checks if the session has expired.
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func (m *Session) Expired() bool {
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if m.ExpiresAt.IsZero() {
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return false
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}
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return m.ExpiresAt.Before(time.Now())
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}
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// Invalid checks if the session does not belong to a registered user or a visitor with shares.
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func (m *Session) Invalid() bool {
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return !m.Valid()
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}
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// Valid checks whether the session belongs to a registered user or a visitor with shares.
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func (m *Session) Valid() bool {
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return m.User().IsRegistered() || m.IsVisitor() && m.HasShares()
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}
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// Abort aborts the request with the appropriate error code if access to the requested resource is denied.
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func (m *Session) Abort(c *gin.Context) bool {
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if m.Valid() {
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return false
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}
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// Abort the request with the appropriate HTTP error code and message.
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switch m.Status {
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case http.StatusUnauthorized:
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c.AbortWithStatusJSON(m.Status, i18n.NewResponse(m.Status, i18n.ErrUnauthorized))
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default:
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c.AbortWithStatusJSON(http.StatusForbidden, i18n.NewResponse(http.StatusForbidden, i18n.ErrForbidden))
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}
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return true
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}
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// SharedUIDs returns shared entity UIDs.
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func (m *Session) SharedUIDs() UIDs {
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data := m.Data()
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if data == nil {
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return UIDs{}
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}
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return data.SharedUIDs()
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}
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// SetUserAgent sets the client user agent.
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func (m *Session) SetUserAgent(ua string) {
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if ua == "" {
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return
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} else if ua = txt.Clip(ua, 512); ua == "" {
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return
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} else if m.UserAgent != "" && m.UserAgent != ua {
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event.AuditWarn([]string{m.IP(), "session %s", "user agent has changed from %s to %s"}, m.RefID, clean.LogQuote(m.UserAgent), clean.LogQuote(ua))
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}
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m.UserAgent = ua
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}
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// SetClientIP sets the client IP address.
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func (m *Session) SetClientIP(ip string) {
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if ip == "" {
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return
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} else if parsed := net.ParseIP(ip); parsed == nil {
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return
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} else if ip = parsed.String(); ip == "" {
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return
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} else if m.ClientIP != "" && m.ClientIP != ip {
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event.AuditWarn([]string{ip, "session %s", "client address has changed from %s to %s"}, m.RefID, clean.LogQuote(m.ClientIP), clean.LogQuote(ip))
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}
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m.ClientIP = ip
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if m.LoginIP == "" {
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m.LoginIP = ip
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m.LoginAt = TimeStamp()
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}
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}
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// IP returns the client IP address, or "unknown" if it is unknown.
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func (m *Session) IP() string {
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if m.ClientIP != "" {
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return m.ClientIP
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} else {
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return "unknown"
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}
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}
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