This commit is contained in:
stryan 2022-07-13 15:07:01 -04:00
commit ccdd7c3280
9 changed files with 508 additions and 0 deletions

3
.gitignore vendored Normal file
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config.yaml
statedata
config.yml

44
client.go Normal file
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package main
import (
"fmt"
"log"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/id"
)
func newMatrixClient(config *botConfig) *mautrix.Client {
fmt.Println("Logging into", config.Homeserver, "as", config.Username)
var client *mautrix.Client
var err error
if config.Token == "" {
client, err = mautrix.NewClient(config.Homeserver, "", "")
if err != nil {
panic(err)
}
} else {
log.Println("using token login")
client, err = mautrix.NewClient(config.Homeserver, id.NewUserID(config.Username, config.Domain), config.Token)
if err != nil {
panic(err)
}
}
client.Store = NewLazyMemStore(config.Statefile)
if config.Token == "" {
loginRes, err := client.Login(&mautrix.ReqLogin{
Type: "m.login.password",
Identifier: mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: config.Username},
Password: config.Password,
StoreCredentials: true,
})
if err != nil {
panic(err)
}
config.Token = loginRes.AccessToken
log.Println("Login succesful, saving access_token to config file")
} else {
log.Println("skipping login since token provided")
}
return client
}

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config.go Normal file
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package main
import (
"io/ioutil"
"gopkg.in/yaml.v2"
)
type botConfig struct {
Homeserver string `yaml:"homeserver"`
Domain string `yaml:"domain"`
Dimension string `yaml:"dimension"`
Username string `yaml:"username"`
Password string `yaml:"password"`
Statefile string `yaml:"statefile"`
Token string `yaml:"token"`
}
func loadConfig(filename string) *botConfig {
yamlFile, err := ioutil.ReadFile(filename)
cnf := &botConfig{}
if err == nil {
err = yaml.Unmarshal(yamlFile, cnf)
} else {
panic(err)
}
if err != nil {
panic(err)
}
return cnf
}

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go.mod Normal file
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module git.saintnet.tech/stryan/nunbot
go 1.18
require (
gopkg.in/yaml.v2 v2.4.0
maunium.net/go/mautrix v0.11.0
)
require (
github.com/stretchr/testify v1.8.0 // indirect
golang.org/x/crypto v0.0.0-20220513210258-46612604a0f9 // indirect
golang.org/x/net v0.0.0-20220513224357-95641704303c // indirect
)

23
go.sum Normal file
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
golang.org/x/crypto v0.0.0-20220513210258-46612604a0f9 h1:NUzdAbFtCJSXU20AOXgeqaUwg8Ypg4MPYmL+d+rsB5c=
golang.org/x/crypto v0.0.0-20220513210258-46612604a0f9/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20220513224357-95641704303c h1:nF9mHSvoKBLkQNQhJZNsc66z2UzAMUbLGjC95CF3pU0=
golang.org/x/net v0.0.0-20220513224357-95641704303c/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
maunium.net/go/mautrix v0.11.0 h1:B1FBHcvE4Mud+AC+zgNQQOw0JxSVrt40watCejhVA7w=
maunium.net/go/mautrix v0.11.0/go.mod h1:K29EcHwsNg6r7fMfwvi0GHQ9o5wSjqB9+Q8RjCIQEjA=

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lazystore.go Normal file
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package main
import (
"bytes"
"encoding/gob"
"os"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/id"
)
type LazyMemStore struct {
mem *mautrix.InMemoryStore
NextBatch map[id.UserID]string
saveFile string
}
func NewLazyMemStore(fileloc string) *LazyMemStore {
return &LazyMemStore{
mem: mautrix.NewInMemoryStore(),
NextBatch: make(map[id.UserID]string),
saveFile: fileloc,
}
}
func (l *LazyMemStore) SaveFilterID(userID id.UserID, filterID string) {
l.mem.SaveFilterID(userID, filterID)
}
func (l *LazyMemStore) LoadFilterID(userID id.UserID) string {
return l.mem.LoadFilterID(userID)
}
func (l *LazyMemStore) SaveNextBatch(userID id.UserID, nextBatchToken string) {
b := new(bytes.Buffer)
l.NextBatch[userID] = nextBatchToken
e := gob.NewEncoder(b)
err := e.Encode(l.NextBatch)
if err != nil {
panic(err)
}
if err := os.WriteFile(l.saveFile, b.Bytes(), 0666); err != nil {
panic(err)
}
}
func (l *LazyMemStore) LoadNextBatch(userID id.UserID) string {
dat, err := os.ReadFile(l.saveFile)
if err != nil {
if os.IsNotExist(err) {
b := new(bytes.Buffer)
e := gob.NewEncoder(b)
err := e.Encode(l.NextBatch)
if err != nil {
panic(err)
}
if err := os.WriteFile(l.saveFile, b.Bytes(), 0666); err != nil {
panic(err)
}
dat, err = os.ReadFile(l.saveFile)
if err != nil {
panic(err)
}
} else {
panic(err)
}
}
d := gob.NewDecoder(bytes.NewBuffer(dat))
err = d.Decode(&l.NextBatch)
if err != nil {
panic(err)
}
return l.NextBatch[userID]
}
func (l *LazyMemStore) SaveRoom(room *mautrix.Room) {
l.mem.SaveRoom(room)
}
func (l *LazyMemStore) LoadRoom(roomID id.RoomID) *mautrix.Room {
return l.mem.LoadRoom(roomID)
}

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main.go Normal file
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package main
import (
"fmt"
"log"
"strings"
"time"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/event"
)
//GitTag is current git tag
var GitTag string
//GitCommit is current git commit
var GitCommit string
func main() {
conf := loadConfig("config.yaml")
matrixClient := newMatrixClient(conf)
//redditClient := newRedditClient(conf)
syncer := matrixClient.Syncer.(*mautrix.DefaultSyncer)
syncer.OnEventType(event.EventMessage, func(source mautrix.EventSource, evt *event.Event) {
if evt.Sender == matrixClient.UserID {
return //ignore events from self
}
fmt.Printf("<%[1]s> %[4]s (%[2]s/%[3]s)\n", evt.Sender, evt.Type.String(), evt.ID, evt.Content.AsMessage().Body)
body := evt.Content.AsMessage().Body
bodyS := strings.Split(body, " ")
if bodyS[0] != "!nun" {
return
}
if len(bodyS) < 2 {
return //nothing to parse
}
switch bodyS[1] {
case "version":
// print version
if GitTag != "" {
matrixClient.SendText(evt.RoomID, "NunBot version "+GitTag)
} else {
matrixClient.SendText(evt.RoomID, "NunBot version "+GitCommit)
}
case "help":
matrixClient.SendText(evt.RoomID, "Supported commands: version,stats")
default:
//command not found
matrixClient.SendText(evt.RoomID, "command not recognized")
}
})
syncer.OnEventType(event.StateMember, func(source mautrix.EventSource, evt *event.Event) {
fmt.Printf("<%[1]s> %[4]s (%[2]s/%[3]s)\n", evt.Sender, evt.Type.String(), evt.ID, evt.Content.AsMessage().Body)
if evt.Content.AsMember().Membership.IsInviteOrJoin() {
_, err := matrixClient.JoinRoomByID(evt.RoomID)
if err != nil {
fmt.Printf("error joining room %v", evt.RoomID)
} else {
fmt.Printf("joined room %v", evt.RoomID)
}
}
})
var curPost post
go func() {
for {
time.Sleep(30 * time.Second)
newPost := getNewestPost("LittleNuns")
if curPost.Title != newPost.Title {
curPost = newPost
roomResp, err := matrixClient.JoinedRooms()
if err != nil {
log.Printf("error getting joined rooms: %v", err)
continue
}
rooms := roomResp.JoinedRooms
for _, room := range rooms {
matrixClient.SendText(room, fmt.Sprintf("%v\n%v", curPost.Title, curPost.Link))
}
}
}
}()
err := matrixClient.Sync()
if err != nil {
panic(err)
}
}

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reddit.go Normal file
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package main
import (
"crypto/tls"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"time"
)
type post struct {
Title string
Link string
}
func getNewestPost(subreddit string) post {
var resp redditResp
//building request from scratch because reddit api is weird
url := fmt.Sprintf("https://www.reddit.com/r/%v/new.json?sort=new&limit=1", subreddit)
req, _ := http.NewRequest("GET", url, nil)
req.Header.Set("User-Agent", "Custom Agent")
req.Header.Set("Host", "reddit.com")
var defaultClient = http.Client{
Transport: &http.Transport{
TLSNextProto: map[string]func(authority string, c *tls.Conn) http.RoundTripper{},
},
}
res, err := defaultClient.Do(req)
if err != nil {
log.Printf("Got %v, retrying in 5s", err)
time.Sleep(5 * time.Second)
res, err = http.Get(url)
if err != nil {
log.Printf("Got %v, not trying again", err)
return post{}
}
}
defer res.Body.Close()
body, readErr := ioutil.ReadAll(res.Body)
if readErr != nil {
log.Fatalf("error reading reddit resp: %v", readErr)
}
err = json.Unmarshal(body, &resp)
if err != nil {
log.Fatalf("unmarshal error: %v", err)
}
return post{
Title: resp.Data.Children[0].Data.Title,
Link: resp.Data.Children[0].Data.URL,
}
}

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reddit_struct.go Normal file
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package main
type redditResp struct {
Kind string `json:"kind"`
Data struct {
After string `json:"after"`
Dist int `json:"dist"`
Modhash string `json:"modhash"`
GeoFilter string `json:"geo_filter"`
Children []struct {
Kind string `json:"kind"`
Data struct {
ApprovedAtUtc interface{} `json:"approved_at_utc"`
Subreddit string `json:"subreddit"`
Selftext string `json:"selftext"`
AuthorFullname string `json:"author_fullname"`
Saved bool `json:"saved"`
ModReasonTitle interface{} `json:"mod_reason_title"`
Gilded int `json:"gilded"`
Clicked bool `json:"clicked"`
Title string `json:"title"`
LinkFlairRichtext []interface{} `json:"link_flair_richtext"`
SubredditNamePrefixed string `json:"subreddit_name_prefixed"`
Collections []struct {
Permalink string `json:"permalink"`
LinkIds []string `json:"link_ids"`
Description string `json:"description"`
Title string `json:"title"`
CreatedAtUtc float64 `json:"created_at_utc"`
SubredditID string `json:"subreddit_id"`
AuthorName string `json:"author_name"`
CollectionID string `json:"collection_id"`
AuthorID string `json:"author_id"`
LastUpdateUtc float64 `json:"last_update_utc"`
DisplayLayout string `json:"display_layout"`
} `json:"collections"`
Hidden bool `json:"hidden"`
Pwls interface{} `json:"pwls"`
LinkFlairCSSClass interface{} `json:"link_flair_css_class"`
Downs int `json:"downs"`
ThumbnailHeight int `json:"thumbnail_height"`
TopAwardedType interface{} `json:"top_awarded_type"`
HideScore bool `json:"hide_score"`
Name string `json:"name"`
Quarantine bool `json:"quarantine"`
LinkFlairTextColor string `json:"link_flair_text_color"`
UpvoteRatio float64 `json:"upvote_ratio"`
AuthorFlairBackgroundColor string `json:"author_flair_background_color"`
Ups int `json:"ups"`
TotalAwardsReceived int `json:"total_awards_received"`
MediaEmbed struct {
} `json:"media_embed"`
ThumbnailWidth int `json:"thumbnail_width"`
AuthorFlairTemplateID string `json:"author_flair_template_id"`
IsOriginalContent bool `json:"is_original_content"`
UserReports []interface{} `json:"user_reports"`
SecureMedia interface{} `json:"secure_media"`
IsRedditMediaDomain bool `json:"is_reddit_media_domain"`
IsMeta bool `json:"is_meta"`
Category interface{} `json:"category"`
SecureMediaEmbed struct {
} `json:"secure_media_embed"`
LinkFlairText interface{} `json:"link_flair_text"`
CanModPost bool `json:"can_mod_post"`
Score int `json:"score"`
ApprovedBy interface{} `json:"approved_by"`
IsCreatedFromAdsUI bool `json:"is_created_from_ads_ui"`
AuthorPremium bool `json:"author_premium"`
Thumbnail string `json:"thumbnail"`
Edited bool `json:"edited"`
AuthorFlairCSSClass string `json:"author_flair_css_class"`
AuthorFlairRichtext []struct {
A string `json:"a,omitempty"`
E string `json:"e"`
U string `json:"u,omitempty"`
T string `json:"t,omitempty"`
} `json:"author_flair_richtext"`
Gildings struct {
} `json:"gildings"`
PostHint string `json:"post_hint"`
ContentCategories interface{} `json:"content_categories"`
IsSelf bool `json:"is_self"`
SubredditType string `json:"subreddit_type"`
Created float64 `json:"created"`
LinkFlairType string `json:"link_flair_type"`
Wls interface{} `json:"wls"`
RemovedByCategory interface{} `json:"removed_by_category"`
BannedBy interface{} `json:"banned_by"`
AuthorFlairType string `json:"author_flair_type"`
Domain string `json:"domain"`
AllowLiveComments bool `json:"allow_live_comments"`
SelftextHTML interface{} `json:"selftext_html"`
Likes interface{} `json:"likes"`
SuggestedSort interface{} `json:"suggested_sort"`
BannedAtUtc interface{} `json:"banned_at_utc"`
URLOverriddenByDest string `json:"url_overridden_by_dest"`
ViewCount interface{} `json:"view_count"`
Archived bool `json:"archived"`
NoFollow bool `json:"no_follow"`
IsCrosspostable bool `json:"is_crosspostable"`
Pinned bool `json:"pinned"`
Over18 bool `json:"over_18"`
Preview struct {
Images []struct {
Source struct {
URL string `json:"url"`
Width int `json:"width"`
Height int `json:"height"`
} `json:"source"`
Resolutions []struct {
URL string `json:"url"`
Width int `json:"width"`
Height int `json:"height"`
} `json:"resolutions"`
Variants struct {
} `json:"variants"`
ID string `json:"id"`
} `json:"images"`
Enabled bool `json:"enabled"`
} `json:"preview"`
AllAwardings []interface{} `json:"all_awardings"`
Awarders []interface{} `json:"awarders"`
MediaOnly bool `json:"media_only"`
CanGild bool `json:"can_gild"`
Spoiler bool `json:"spoiler"`
Locked bool `json:"locked"`
AuthorFlairText string `json:"author_flair_text"`
TreatmentTags []interface{} `json:"treatment_tags"`
Visited bool `json:"visited"`
RemovedBy interface{} `json:"removed_by"`
ModNote interface{} `json:"mod_note"`
Distinguished interface{} `json:"distinguished"`
SubredditID string `json:"subreddit_id"`
AuthorIsBlocked bool `json:"author_is_blocked"`
ModReasonBy interface{} `json:"mod_reason_by"`
NumReports interface{} `json:"num_reports"`
RemovalReason interface{} `json:"removal_reason"`
LinkFlairBackgroundColor string `json:"link_flair_background_color"`
ID string `json:"id"`
IsRobotIndexable bool `json:"is_robot_indexable"`
ReportReasons interface{} `json:"report_reasons"`
Author string `json:"author"`
DiscussionType interface{} `json:"discussion_type"`
NumComments int `json:"num_comments"`
SendReplies bool `json:"send_replies"`
WhitelistStatus interface{} `json:"whitelist_status"`
ContestMode bool `json:"contest_mode"`
ModReports []interface{} `json:"mod_reports"`
AuthorPatreonFlair bool `json:"author_patreon_flair"`
AuthorFlairTextColor string `json:"author_flair_text_color"`
Permalink string `json:"permalink"`
ParentWhitelistStatus interface{} `json:"parent_whitelist_status"`
Stickied bool `json:"stickied"`
URL string `json:"url"`
SubredditSubscribers int `json:"subreddit_subscribers"`
CreatedUtc float64 `json:"created_utc"`
NumCrossposts int `json:"num_crossposts"`
Media interface{} `json:"media"`
IsVideo bool `json:"is_video"`
} `json:"data"`
} `json:"children"`
Before interface{} `json:"before"`
} `json:"data"`
}