mirror of
https://github.com/jech/galene.git
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Move description code into its own file.
This commit is contained in:
Juliusz Chroboczek
parent
3792800355
commit
bfe83d1a27
2 changed files with 190 additions and 179 deletions
190
group/description.go
Normal file
190
group/description.go
Normal file
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@ -0,0 +1,190 @@
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package group
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import (
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"encoding/json"
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"os"
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"path"
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"path/filepath"
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"strings"
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"time"
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)
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// Description represents a group description together with some metadata
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// about the JSON file it was deserialised from.
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type Description struct {
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// The file this was deserialised from. This is not necessarily
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// the name of the group, for example in case of a subgroup.
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FileName string `json:"-"`
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// The modtime and size of the file. These are used to detect
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// when a file has changed on disk.
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modTime time.Time `json:"-"`
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fileSize int64 `json:"-"`
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// The user-friendly group name
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DisplayName string `json:"displayName,omitempty"`
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// A user-readable description of the group.
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Description string `json:"description,omitempty"`
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// A user-readable contact, typically an e-mail address.
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Contact string `json:"contact,omitempty"`
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// A user-readable comment. Ignored by the server.
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Comment string `json:"comment,omitempty"`
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// Whether to display the group on the landing page.
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Public bool `json:"public,omitempty"`
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// A URL to redirect the group to. If this is not empty, most
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// other fields are ignored.
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Redirect string `json:"redirect,omitempty"`
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// The maximum number of simultaneous clients. Unlimited if 0.
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MaxClients int `json:"max-clients,omitempty"`
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// The time for which history entries are kept.
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MaxHistoryAge int `json:"max-history-age,omitempty"`
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// Whether users are allowed to log in with an empty username.
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AllowAnonymous bool `json:"allow-anonymous,omitempty"`
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// Whether recording is allowed.
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AllowRecording bool `json:"allow-recording,omitempty"`
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// Whether creating tokens is allowed
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UnrestrictedTokens bool `json:"unrestricted-tokens,omitempty"`
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// Whether subgroups are created on the fly.
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AllowSubgroups bool `json:"allow-subgroups,omitempty"`
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// Whether to lock the group when the last op logs out.
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Autolock bool `json:"autolock,omitempty"`
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// Whether to kick all users when the last op logs out.
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Autokick bool `json:"autokick,omitempty"`
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// A list of logins for ops.
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Op []ClientPattern `json:"op,omitempty"`
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// A list of logins for presenters.
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Presenter []ClientPattern `json:"presenter,omitempty"`
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// A list of logins for non-presenting users.
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Other []ClientPattern `json:"other,omitempty"`
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// The (public) keys used for token authentication.
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AuthKeys []map[string]interface{} `json:"authKeys,omitempty"`
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// The URL of the authentication server, if any.
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AuthServer string `json:"authServer,omitempty"`
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// The URL of the authentication portal, if any.
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AuthPortal string `json:"authPortal,omitempty"`
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// Codec preferences. If empty, a suitable default is chosen in
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// the APIFromNames function.
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Codecs []string `json:"codecs,omitempty"`
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}
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const DefaultMaxHistoryAge = 4 * time.Hour
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func maxHistoryAge(desc *Description) time.Duration {
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if desc.MaxHistoryAge != 0 {
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return time.Duration(desc.MaxHistoryAge) * time.Second
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}
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return DefaultMaxHistoryAge
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}
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func getDescriptionFile[T any](name string, get func(string) (T, error)) (T, string, bool, error) {
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isParent := false
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for name != "" {
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fileName := filepath.Join(
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Directory, path.Clean("/"+name)+".json",
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)
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r, err := get(fileName)
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if !os.IsNotExist(err) {
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return r, fileName, isParent, err
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}
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isParent = true
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name, _ = path.Split(name)
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name = strings.TrimRight(name, "/")
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}
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var zero T
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return zero, "", false, os.ErrNotExist
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}
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// descriptionMatch returns true if the description hasn't changed between
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// d1 and d2
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func descriptionMatch(d1, d2 *Description) bool {
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if d1.FileName != d2.FileName {
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return false
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}
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if d1.fileSize != d2.fileSize || !d1.modTime.Equal(d2.modTime) {
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return false
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}
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return true
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}
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// descriptionUnchanged returns true if a group's description hasn't
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// changed since it was last read.
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func descriptionUnchanged(name string, desc *Description) bool {
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fi, fileName, _, err := getDescriptionFile(name, os.Stat)
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if err != nil || fileName != desc.FileName {
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return false
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}
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if fi.Size() != desc.fileSize || !fi.ModTime().Equal(desc.modTime) {
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return false
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}
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return true
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}
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// GetDescription gets a group description, either from cache or from disk
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func GetDescription(name string) (*Description, error) {
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g := Get(name)
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if g != nil {
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if descriptionUnchanged(name, g.description) {
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return g.description, nil
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}
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}
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return readDescription(name)
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}
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// readDescription reads a group's description from disk
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func readDescription(name string) (*Description, error) {
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r, fileName, isParent, err := getDescriptionFile(name, os.Open)
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if err != nil {
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return nil, err
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}
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defer r.Close()
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var desc Description
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fi, err := r.Stat()
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if err != nil {
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return nil, err
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}
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d := json.NewDecoder(r)
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d.DisallowUnknownFields()
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err = d.Decode(&desc)
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if err != nil {
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return nil, err
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}
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if isParent {
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if !desc.AllowSubgroups {
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return nil, os.ErrNotExist
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}
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desc.Public = false
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desc.Description = ""
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}
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desc.FileName = fileName
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desc.fileSize = fi.Size()
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desc.modTime = fi.ModTime()
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return &desc, nil
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}
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179
group/group.go
179
group/group.go
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@ -917,185 +917,6 @@ func GetConfiguration() (*Configuration, error) {
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return configuration.configuration, nil
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}
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// Description represents a group description together with some metadata
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// about the JSON file it was deserialised from.
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type Description struct {
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// The file this was deserialised from. This is not necessarily
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// the name of the group, for example in case of a subgroup.
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FileName string `json:"-"`
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// The modtime and size of the file. These are used to detect
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// when a file has changed on disk.
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modTime time.Time `json:"-"`
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fileSize int64 `json:"-"`
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// The user-friendly group name
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DisplayName string `json:"displayName,omitempty"`
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// A user-readable description of the group.
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Description string `json:"description,omitempty"`
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// A user-readable contact, typically an e-mail address.
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Contact string `json:"contact,omitempty"`
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// A user-readable comment. Ignored by the server.
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Comment string `json:"comment,omitempty"`
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// Whether to display the group on the landing page.
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Public bool `json:"public,omitempty"`
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// A URL to redirect the group to. If this is not empty, most
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// other fields are ignored.
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Redirect string `json:"redirect,omitempty"`
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// The maximum number of simultaneous clients. Unlimited if 0.
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MaxClients int `json:"max-clients,omitempty"`
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// The time for which history entries are kept.
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MaxHistoryAge int `json:"max-history-age,omitempty"`
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// Whether users are allowed to log in with an empty username.
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AllowAnonymous bool `json:"allow-anonymous,omitempty"`
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// Whether recording is allowed.
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AllowRecording bool `json:"allow-recording,omitempty"`
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// Whether creating tokens is allowed
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UnrestrictedTokens bool `json:"unrestricted-tokens,omitempty"`
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// Whether subgroups are created on the fly.
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AllowSubgroups bool `json:"allow-subgroups,omitempty"`
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// Whether to lock the group when the last op logs out.
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Autolock bool `json:"autolock,omitempty"`
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// Whether to kick all users when the last op logs out.
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Autokick bool `json:"autokick,omitempty"`
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// A list of logins for ops.
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Op []ClientPattern `json:"op,omitempty"`
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// A list of logins for presenters.
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Presenter []ClientPattern `json:"presenter,omitempty"`
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// A list of logins for non-presenting users.
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Other []ClientPattern `json:"other,omitempty"`
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// The (public) keys used for token authentication.
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AuthKeys []map[string]interface{} `json:"authKeys,omitempty"`
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// The URL of the authentication server, if any.
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AuthServer string `json:"authServer,omitempty"`
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// The URL of the authentication portal, if any.
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AuthPortal string `json:"authPortal,omitempty"`
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// Codec preferences. If empty, a suitable default is chosen in
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// the APIFromNames function.
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Codecs []string `json:"codecs,omitempty"`
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}
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const DefaultMaxHistoryAge = 4 * time.Hour
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func maxHistoryAge(desc *Description) time.Duration {
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if desc.MaxHistoryAge != 0 {
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return time.Duration(desc.MaxHistoryAge) * time.Second
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}
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return DefaultMaxHistoryAge
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}
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func getDescriptionFile[T any](name string, get func(string) (T, error)) (T, string, bool, error) {
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isParent := false
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for name != "" {
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fileName := filepath.Join(
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Directory, path.Clean("/"+name)+".json",
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)
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r, err := get(fileName)
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if !os.IsNotExist(err) {
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return r, fileName, isParent, err
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}
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isParent = true
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name, _ = path.Split(name)
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name = strings.TrimRight(name, "/")
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}
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var zero T
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return zero, "", false, os.ErrNotExist
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}
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// descriptionMatch returns true if the description hasn't changed between
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// d1 and d2
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func descriptionMatch(d1, d2 *Description) bool {
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if d1.FileName != d2.FileName {
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return false
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}
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if d1.fileSize != d2.fileSize || !d1.modTime.Equal(d2.modTime) {
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return false
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}
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return true
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}
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// descriptionUnchanged returns true if a group's description hasn't
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// changed since it was last read.
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func descriptionUnchanged(name string, desc *Description) bool {
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fi, fileName, _, err := getDescriptionFile(name, os.Stat)
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if err != nil || fileName != desc.FileName {
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return false
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}
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if fi.Size() != desc.fileSize || !fi.ModTime().Equal(desc.modTime) {
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return false
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}
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return true
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}
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// GetDescription gets a group description, either from cache or from disk
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func GetDescription(name string) (*Description, error) {
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g := Get(name)
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if g != nil {
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if descriptionUnchanged(name, g.description) {
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return g.description, nil
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}
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}
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return readDescription(name)
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}
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// readDescription reads a group's description from disk
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func readDescription(name string) (*Description, error) {
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r, fileName, isParent, err := getDescriptionFile(name, os.Open)
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if err != nil {
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return nil, err
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}
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defer r.Close()
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var desc Description
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fi, err := r.Stat()
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if err != nil {
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return nil, err
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}
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d := json.NewDecoder(r)
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d.DisallowUnknownFields()
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err = d.Decode(&desc)
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if err != nil {
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return nil, err
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}
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if isParent {
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if !desc.AllowSubgroups {
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return nil, os.ErrNotExist
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}
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desc.Public = false
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desc.Description = ""
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}
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desc.FileName = fileName
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desc.fileSize = fi.Size()
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desc.modTime = fi.ModTime()
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return &desc, nil
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}
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// called locked
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func (g *Group) getPasswordPermission(creds ClientCredentials) ([]string, error) {
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