tools

package
v1.4.15 Latest Latest
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 Go to latest Published: Dec 28, 2023 License: MIT Imports: 38 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	PageNotFoundErrMsg     = "This page does not exist."
	CourseNotFoundErrMsg   = "We couldn't find the course you were looking for."
	StreamNotFoundErrMsg   = "We couldn't find the stream you were looking for."
	ForbiddenGenericErrMsg = "You don't have permissions to access this resource. " +
		"Please reach out if this seems wrong :)"
	ForbiddenStreamAccess = "You don't have permissions to access this stream. " +
		"Please make sure to use the correct login."
	ForbiddenCourseAccess = "You don't have permissions to access this course. " +
		"Please make sure to use the correct login."
)
View Source 
const CSVLb = "\n\r"
View Source 
const CSVSep = ","

Variables

View Source 
var CookieSecure = false

CookieSecure sets whether to use secure cookies or not, defaults to false in dev mode, true in production

View Source 
var EntityExpr = regexp.MustCompile("&#?[A-Za-z0-9]+;")
View Source 
var ErrMeiliNotConfigured = errors.New("meilisearch is not configured")
View Source 
var ErrUnbalancedTags = errors.New("unbalanced tags")
View Source 
var Loc *time.Location
View Source 
var TagExpr = regexp.MustCompile("<(/?)([A-Za-z0-9]+).*?>")

Functions

func Admin 

func Admin(c *gin.Context)

func AdminOfCourse 

func AdminOfCourse(c *gin.Context)

AdminOfCourse checks if the user is an admin of the course or admin. If not, aborts with status Forbidden.

func AdminToken 

func AdminToken(daoWrapper dao.DaoWrapper) gin.HandlerFunc

func AtLeastLecturer 

func AtLeastLecturer(c *gin.Context)

func CourseListContains 

func CourseListContains(courses []model.Course, courseId uint) bool

CourseListContains checks whether courses contain a course with a given courseId

func ErrorHandler 

func ErrorHandler(c *gin.Context)

func GetCacheItem 

func GetCacheItem(key string) (interface{}, bool)

GetCacheItem returns the value of the key if it exists in the cache. (nil, err) otherwise

func InitBranding 

func InitBranding()

InitBranding initializes the global branding configuration variable `BrandingCfg`. If the config file doesn't exist it will be set to the result of `getDefaultBranding()`.

func InitContext 

func InitContext(daoWrapper dao.DaoWrapper) gin.HandlerFunc

func InitCourse 

func InitCourse(wrapper dao.DaoWrapper) gin.HandlerFunc

func InitCronService 

func InitCronService()

InitCronService creates an instance of CronService

func InitStream 

func InitStream(wrapper dao.DaoWrapper) gin.HandlerFunc

func InitStreamRealtime 

func InitStreamRealtime() realtime.SubscriptionMiddleware

func LoadConfig 

func LoadConfig()

func LoggedIn 

func LoggedIn(c *gin.Context)

LoggedIn is a middleware that checks if the user is logged in and redirects to the login page if not

func MaskEmail 

func MaskEmail(email string) (masked string, err error)

func MaskLogin 

func MaskLogin(login string) (masked string)

MaskLogin masks lrzIds by replacing digits with *

func OwnerOfCourse 

func OwnerOfCourse(c *gin.Context)

func RenderErrorPage 

func RenderErrorPage(c *gin.Context, status int, message string)

RenderErrorPage renders the error page with the given error code and message. the gin context is always aborted after this function is called.

func SearchSubtitles 

func SearchSubtitles(q string, streamID uint) *meilisearch.SearchResponse

func SetCacheItem 

func SetCacheItem(key string, value interface{}, ttl time.Duration)

SetCacheItem adds the key and value to the cache with the given expiration time.

func SetSignedPlaylists 

func SetSignedPlaylists(s *model.Stream, user *model.User, allowDownloading bool) error

SetSignedPlaylists adds a signed jwt to all available playlist urls that indicates that the user is allowed to consume the playlist. The method assumes that the user has been pre-authorized and doesn't check for permissions.

func SetTemplateExecutor 

func SetTemplateExecutor(e TemplateExecutor)

SetTemplateExecutor sets the templates and template executor for the middlewares to execute error pages

func StartSession 

func StartSession(c *gin.Context, data *SessionData)

func Truncate 

func Truncate(input string, length int) string

Truncate strips an input that can contain html to length.

func TruncateHtml 

func TruncateHtml(buf []byte, maxlen int, ellipsis string) ([]byte, error)

TruncateHtml will truncate a given byte slice to a maximum of maxlen visible characters and optionally append ellipsis. HTML tags are automatically closed generating valid truncated HTML. Based on: https://github.com/mborgerson/GoTruncateHtml

func UploadLRZ 

func UploadLRZ(file string) error

Types

type Branding 

type Branding struct {
	Title       string `yaml:"title"`
	Description string `yaml:"description"`
}
var BrandingCfg Branding

type CanonicalURL 

type CanonicalURL struct {
	// contains filtered or unexported fields
}

func NewCanonicalURL 

func NewCanonicalURL(url string) CanonicalURL

func (CanonicalURL) Course 

func (c CanonicalURL) Course(year int, term string, slug string) string

func (CanonicalURL) Info 

func (c CanonicalURL) Info(version string) string

func (CanonicalURL) Login 

func (c CanonicalURL) Login() string

func (CanonicalURL) Root 

func (c CanonicalURL) Root() string

func (CanonicalURL) Stream 

func (c CanonicalURL) Stream(slug string, id uint, version string) string

type Config 

type Config struct {
	Lrz struct {
		Name      string `yaml:"name"`
		Email     string `yaml:"email"`
		Phone     string `yaml:"phone"`
		UploadURL string `yaml:"uploadUrl"`
		SubDir    string `yaml:"subDir"`
	} `yaml:"lrz"`
	Mail MailConfig `yaml:"mail"`
	Db   struct {
		User     string `yaml:"user"`
		Password string `yaml:"password"`
		Database string `yaml:"database"`
		Host     string `yaml:"host"`
		Port     uint   `yaml:"port"`
	} `yaml:"db"`
	Campus struct {
		Base        string   `yaml:"base"`
		Tokens      []string `yaml:"tokens"`
		CampusProxy *struct {
			Host   string `yaml:"host"`
			Scheme string `yaml:"scheme"`
		} `yaml:"campusProxy"`
		RelevantOrgs *[]string `yaml:"relevantOrgs"`
	} `yaml:"campus"`
	Ldap struct {
		URL         string `yaml:"url"`
		User        string `yaml:"user"`
		Password    string `yaml:"password"`
		BaseDn      string `yaml:"baseDn"`
		UserDn      string `yaml:"userDn"`
		UseForLogin bool   `yaml:"useForLogin"`
	} `yaml:"ldap"`
	Saml *struct {
		IdpMetadataURL string   `yaml:"idpMetadataURL"`
		Cert           string   `yaml:"cert"`
		Privkey        string   `yaml:"privkey"`
		EntityID       string   `yaml:"entityID"`
		RootURLs       []string `yaml:"rootURL"`
		IdpName        string   `yaml:"idpName"`
		IdpColor       string   `yaml:"idpColor"`
	} `yaml:"saml"`
	Paths struct {
		Static   string `yaml:"static"`
		Mass     string `yaml:"mass"`
		Branding string `yaml:"branding"`
	} `yaml:"paths"`
	Auths struct {
		SmpUser     string `yaml:"smpUser"` // todo, do we need this? Should this be in the lecture_halls table?
		SmpPassword string `yaml:"smpPassword"`
		PwrCrtlAuth string `yaml:"pwrCrtlAuth"`
		CamAuth     string `yaml:"camAuth"`
	} `yaml:"auths"`
	Alerts *struct {
		Matrix *struct {
			Username    string `yaml:"username"`
			Password    string `yaml:"password"`
			Homeserver  string `yaml:"homeserver"`
			LogRoomID   string `yaml:"logRoomID"`
			AlertRoomID string `yaml:"alertRoomId"`
		} `yaml:"matrix"`
	} `yaml:"alerts"`
	VoiceService *struct {
		Host string `yaml:"host"`
		Port string `yaml:"port"`
	}
	IngestBase  string  `yaml:"ingestBase"`
	WebUrl      string  `yaml:"webUrl"`
	WorkerToken string  `yaml:"workerToken"` // used for workers to join the worker pool
	JWTKey      *string `yaml:"jwtKey"`
	Meili       *struct {
		Host   string `yaml:"host"`
		ApiKey string `yaml:"apiKey"`
	} `yaml:"meili"`
	VodURLTemplate string `yaml:"vodURLTemplate"`
	CanonicalURL   string `yaml:"canonicalURL"`
}
var Cfg Config

func (Config) GetJWTKey 

func (Config) GetJWTKey() *rsa.PrivateKey

func (Config) GetMeiliClient 

func (c Config) GetMeiliClient() (*meilisearch.Client, error)

type CronService 

type CronService struct {
	// contains filtered or unexported fields
}
var Cron *CronService

Cron is the global CronService

func (*CronService) AddFunc 

func (c *CronService) AddFunc(name string, fn func(), spec string) error

AddFunc creates a cronJob fn running at the interval specified by spec. The job can be referenced by name.

func (*CronService) ListCronJobs 

func (c *CronService) ListCronJobs() []string

ListCronJobs returns a []string with the names of all cronjobs

func (*CronService) Run 

func (c *CronService) Run()

Run starts the CronService

func (*CronService) RunJob 

func (c *CronService) RunJob(name string)

RunJob executes the cronJob identified by name even when it's not due. Invalid names are ignored silently.

type DebugTemplateExecutor 

type DebugTemplateExecutor struct {
	Patterns []string
}

func (DebugTemplateExecutor) ExecuteTemplate 

func (e DebugTemplateExecutor) ExecuteTemplate(w io.Writer, name string, data interface{}) error

type ErrorPageData 

type ErrorPageData struct {
	Status   int
	Message  string
	Branding Branding
}

ErrorPageData is the required data for the error page

type ExportDataEntry 

type ExportDataEntry struct {
	Name  string
	XName string
	YName string
	Data  []dao.Stat
}

type ExportStatsContainer 

type ExportStatsContainer struct {
	// contains filtered or unexported fields
}

func (ExportStatsContainer) AddDataEntry 

func (e ExportStatsContainer) AddDataEntry(entry *ExportDataEntry) ExportStatsContainer

func (ExportStatsContainer) ExportCsv 

func (e ExportStatsContainer) ExportCsv() string

func (ExportStatsContainer) ExportJson 

func (e ExportStatsContainer) ExportJson() []gin.H

type JWTClaims 

type JWTClaims struct {
	*jwt.RegisteredClaims
	UserID        uint
	SamlSubjectID *string // identifier of the SAML session (if any)
}

JWTClaims are the claims contained in a session

type JWTPlaylistClaims 

type JWTPlaylistClaims struct {
	jwt.RegisteredClaims
	UserID   uint
	Playlist string
	Download bool
	StreamID string
	CourseID string
}

type MailConfig 

type MailConfig struct {
	Sender            string `yaml:"sender"`
	Server            string `yaml:"server"`
	SMIMECert         string `yaml:"SMIMECert"`
	SMIMEKey          string `yaml:"SMIMEKey"`
	MaxMailsPerMinute int    `yaml:"maxMailsPerMinute"`
}

type Mailer 

type Mailer struct {
	Dao               dao.DaoWrapper
	MaxMailsPerMinute int
}

func NewMailer 

func NewMailer(dao dao.DaoWrapper, maxMailsPerMinute int) *Mailer

func (*Mailer) Run 

func (m *Mailer) Run()

type MeiliExporter 

type MeiliExporter struct {
	// contains filtered or unexported fields
}

func NewMeiliExporter 

func NewMeiliExporter(d dao.DaoWrapper) *MeiliExporter

func (*MeiliExporter) Export 

func (m *MeiliExporter) Export()

func (*MeiliExporter) SetIndexSettings 

func (m *MeiliExporter) SetIndexSettings()

type MeiliStream 

type MeiliStream struct {
	ID           uint   `json:"ID"`
	Name         string `json:"name"`
	Description  string `json:"description"`
	CourseName   string `json:"courseName"`
	Year         int    `json:"year"`
	TeachingTerm string `json:"semester"`
	CourseID     uint   `json:"courseID"`
}

type MeiliSubtitles 

type MeiliSubtitles struct {
	ID        string `json:"ID"` // meili id: streamID + timestamp
	StreamID  uint   `json:"streamID"`
	Timestamp int64  `json:"timestamp"`
	TextPrev  string `json:"textPrev"` // the previous subtitle line
	Text      string `json:"text"`
	TextNext  string `json:"textNext"` // the next subtitle line
}

type PresetUtility 

type PresetUtility interface {
	FetchCameraPresets(context.Context)
	FetchLHPresets(model.LectureHall)
	UsePreset(model.CameraPreset)
	TakeSnapshot(model.CameraPreset)
	ProvideCamera(model.CameraType, string) (camera.Cam, error)
}

func NewPresetUtility 

func NewPresetUtility(lectureHallDao dao.LectureHallsDao) PresetUtility

type ReleaseTemplateExecutor 

type ReleaseTemplateExecutor struct {
	Template *template.Template
}

func (ReleaseTemplateExecutor) ExecuteTemplate 

func (e ReleaseTemplateExecutor) ExecuteTemplate(w io.Writer, name string, data interface{}) error

type RequestError 

type RequestError struct {
	Status        int
	CustomMessage string
	Err           error
}

func (RequestError) Error 

func (r RequestError) Error() string

func (RequestError) ToResponse 

func (r RequestError) ToResponse() gin.H

type SessionData 

type SessionData struct {
	Userid        uint
	SamlSubjectID *string
}

type TUMLiveContext 

type TUMLiveContext struct {
	User          *model.User
	Course        *model.Course
	Stream        *model.Stream
	SamlSubjectID *string
}

func (*TUMLiveContext) UserIsAdmin 

func (c *TUMLiveContext) UserIsAdmin() bool

type TemplateExecutor 

type TemplateExecutor interface {
	ExecuteTemplate(w io.Writer, name string, data interface{}) error
}

Source Files

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Directories

Path Synopsis
connector
Package timing provides time calculation functions used in TUM Live
 Package timing provides time calculation functions used in TUM Live

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