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Merge pull request #1189 from slingamn/tagmsg_storage.1

make TAGMSG storage configurable
This commit is contained in:
Shivaram Lingamneni 2020-07-12 10:57:00 -07:00 committed by GitHub
commit 0a6c1f7cc6
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7 changed files with 74 additions and 26 deletions

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@ -848,3 +848,18 @@ history:
# allowing deletion of JSON export of an account's messages. this
# may be needed for compliance with data privacy regulations.
enable-account-indexing: false
# options to control storage of TAGMSG
tagmsg-storage:
# by default, should TAGMSG be stored?
default: false
# if `default` is false, store TAGMSG containing any of these tags:
whitelist:
- "+draft/react"
- "react"
# if `default` is true, don't store TAGMSG containing any of these tags:
#blacklist:
# - "+draft/typing"
# - "typing"

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@ -874,3 +874,18 @@ history:
# allowing deletion of JSON export of an account's messages. this
# may be needed for compliance with data privacy regulations.
enable-account-indexing: false
# options to control storage of TAGMSG
tagmsg-storage:
# by default, should TAGMSG be stored?
default: false
# if `default` is false, store TAGMSG containing any of these tags:
whitelist:
- "+draft/react"
- "react"
# if `default` is true, don't store TAGMSG containing any of these tags:
#blacklist:
# - "+draft/typing"
# - "typing"

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@ -646,7 +646,7 @@ func channelHistoryStatus(config *Config, registered bool, storedStatus HistoryS
}
func (channel *Channel) AddHistoryItem(item history.Item, account string) (err error) {
if !item.IsStorable() {
if !itemIsStorable(&item, channel.server.Config()) {
return
}

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@ -612,6 +612,11 @@ type Config struct {
AllowIndividualDelete bool `yaml:"allow-individual-delete"`
EnableAccountIndexing bool `yaml:"enable-account-indexing"`
}
TagmsgStorage struct {
Default bool
Whitelist []string
Blacklist []string
} `yaml:"tagmsg-storage"`
}
Filename string
@ -1284,6 +1289,16 @@ func (config *Config) Diff(oldConfig *Config) (addedCaps, removedCaps *caps.Set)
return
}
// determine whether we need to resize / create / destroy
// the in-memory history buffers:
func (config *Config) historyChangedFrom(oldConfig *Config) bool {
return config.History.Enabled != oldConfig.History.Enabled ||
config.History.ChannelLength != oldConfig.History.ChannelLength ||
config.History.ClientLength != oldConfig.History.ClientLength ||
config.History.AutoresizeWindow != oldConfig.History.AutoresizeWindow ||
config.History.Persistent != oldConfig.History.Persistent
}
func compileGuestRegexp(guestFormat string, casemapping Casemapping) (standard, folded *regexp.Regexp, err error) {
if strings.Count(guestFormat, "?") != 0 || strings.Count(guestFormat, "*") != 1 {
err = errors.New("guest format must contain 1 '*' and no '?'s")

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@ -2132,7 +2132,7 @@ func dispatchMessageToTarget(client *Client, tags map[string]string, histType hi
AccountName: accountName,
Tags: tags,
}
if !item.IsStorable() || !allowedPlusR {
if !itemIsStorable(&item, config) || !allowedPlusR {
return
}
targetedItem := item
@ -2155,6 +2155,32 @@ func dispatchMessageToTarget(client *Client, tags map[string]string, histType hi
}
}
func itemIsStorable(item *history.Item, config *Config) bool {
switch item.Type {
case history.Tagmsg:
if config.History.TagmsgStorage.Default {
for _, blacklistedTag := range config.History.TagmsgStorage.Blacklist {
if _, ok := item.Tags[blacklistedTag]; ok {
return false
}
}
return true
} else {
for _, whitelistedTag := range config.History.TagmsgStorage.Whitelist {
if _, ok := item.Tags[whitelistedTag]; ok {
return true
}
}
return false
}
case history.Privmsg, history.Notice:
// don't store CTCP other than ACTION
return !item.Message.IsRestrictedCTCPMessage()
default:
return true
}
}
// NPC <target> <sourcenick> <message>
func npcHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool {
target := msg.Params[0]

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@ -29,12 +29,6 @@ const (
initialAutoSize = 32
)
// a Tagmsg that consists entirely of transient tags is not stored
var transientTags = map[string]bool{
"+draft/typing": true,
"+typing": true, // future-proofing
}
// Item represents an event (e.g., a PRIVMSG or a JOIN) and its associated data
type Item struct {
Type ItemType
@ -57,23 +51,6 @@ func (item *Item) HasMsgid(msgid string) bool {
return item.Message.Msgid == msgid
}
func (item *Item) IsStorable() bool {
switch item.Type {
case Tagmsg:
for name := range item.Tags {
if !transientTags[name] {
return true
}
}
return false // all tags were blacklisted
case Privmsg, Notice:
// don't store CTCP other than ACTION
return !item.Message.IsRestrictedCTCPMessage()
default:
return true
}
}
type Predicate func(item *Item) (matches bool)
func Reverse(results []Item) {

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@ -526,7 +526,7 @@ func (server *Server) applyConfig(config *Config) (err error) {
server.channels.loadRegisteredChannels(config)
}
// resize history buffers as needed
if oldConfig.History != config.History {
if config.historyChangedFrom(oldConfig) {
for _, channel := range server.channels.Channels() {
channel.resizeHistory(config)
}