Initial commit

This commit is contained in:
Florian Beisel 2024-01-10 00:10:39 +01:00
commit 20c64e59ad
Signed by: florian
GPG Key ID: 79ECA2E54996FF4D
5 changed files with 334 additions and 0 deletions

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on:
push:
branches:
- main
release:
types:
- published
jobs:
build-deploy:
runs-on: ubuntu-latest
env:
DOCKER_LATEST: nightly
DOCKER_ORG: beisel.org
steps:
- name: Checkout Code
uses: actions/checkout@v4
- name: Setup Docker
run: curl -fsSL https://get.docker.com | sh
- name: Setup Docker BuildX
uses: docker/setup-buildx-action@v2
with:
config-inline: |
[registry."https://git.beisel.it"]
- name: Login to Registry
uses: docker/login-action@v2
with:
registry: git.beisel.it # replace it with your local IP
username: ${{ gitea.actor }}
password: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
- name: Get Meta
id: meta
run: |
echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}') >> $GITHUB_OUTPUT
echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
- name: Build and push
uses: docker/build-push-action@v4
with:
context: .
file: ./Dockerfile
platforms: |
linux/amd64
linux/arm64
push: true
tags: | # replace it with your local IP and tags
git.beisel.it/${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}
git.beisel.it/${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ env.DOCKER_LATEST }}

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Dockerfile Normal file
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# Start from a Go base image
FROM golang:latest as builder
# Set the working directory
WORKDIR /app
# Copy the source code into the container
COPY . .
# Build the application
RUN go build -o mybot .
# Use a small base image
FROM alpine:latest
WORKDIR /root/
# Copy the binary from the builder stage
COPY --from=builder /app/mybot .
# Command to run the executable
CMD ["./mybot"]

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go.mod Normal file
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module git.beisel.it/florian/gitea-register-account-bot
go 1.21.1
require (
code.gitea.io/sdk/gitea v0.17.1
github.com/bwmarrin/discordgo v0.27.1
)
require (
github.com/davidmz/go-pageant v1.0.2 // indirect
github.com/go-fed/httpsig v1.1.0 // indirect
github.com/gorilla/websocket v1.4.2 // indirect
github.com/hashicorp/go-version v1.6.0 // indirect
golang.org/x/crypto v0.17.0 // indirect
golang.org/x/sys v0.15.0 // indirect
)

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go.sum Normal file
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code.gitea.io/sdk/gitea v0.17.1 h1:3jCPOG2ojbl8AcfaUCRYLT5MUcBMFwS0OSK2mA5Zok8=
code.gitea.io/sdk/gitea v0.17.1/go.mod h1:aCnBqhHpoEWA180gMbaCtdX9Pl6BWBAuuP2miadoTNM=
github.com/bwmarrin/discordgo v0.27.1 h1:ib9AIc/dom1E/fSIulrBwnez0CToJE113ZGt4HoliGY=
github.com/bwmarrin/discordgo v0.27.1/go.mod h1:NJZpH+1AfhIcyQsPeuBKsUtYrRnjkyu0kIVMCHkZtRY=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davidmz/go-pageant v1.0.2 h1:bPblRCh5jGU+Uptpz6LgMZGD5hJoOt7otgT454WvHn0=
github.com/davidmz/go-pageant v1.0.2/go.mod h1:P2EDDnMqIwG5Rrp05dTRITj9z2zpGcD9efWSkTNKLIE=
github.com/go-fed/httpsig v1.1.0 h1:9M+hb0jkEICD8/cAiNqEB66R87tTINszBRTjwjQzWcI=
github.com/go-fed/httpsig v1.1.0/go.mod h1:RCMrTZvN1bJYtofsG4rd5NaO5obxQ5xBkdiS7xsT7bM=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
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/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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main.go Normal file
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package main
import (
"crypto/rand"
"fmt"
"math/big"
"os"
"regexp"
"strings"
"code.gitea.io/sdk/gitea"
"github.com/bwmarrin/discordgo"
)
var (
discordToken string
giteaToken string
giteaURL string
)
func main() {
giteaToken = os.Getenv("GITEA_TOKEN")
giteaURL = os.Getenv("GITEA_URL")
discordToken = os.Getenv("DISCORD_TOKEN")
if giteaToken == "" || giteaURL == "" || discordToken == "" {
fmt.Println("Environment variables GITEA_TOKEN, GITEA_URL, and DISCORD_TOKEN must be set.")
os.Exit(1)
}
dg, err := discordgo.New("Bot " + discordToken)
if err != nil {
fmt.Println("error creating Discord session,", err)
return
}
dg.Identify.Intents = discordgo.IntentsGuildMessages | discordgo.IntentsDirectMessages
dg.AddHandler(messageCreate)
err = dg.Open()
if err != nil {
fmt.Println("error opening connection,", err)
return
}
fmt.Println("Bot is now running. Press CTRL+C to exit.")
select {}
}
// validateUsername checks if the username complies with Gitea requirements
func validateUsername(username string) (bool, error) {
// Regular expression for valid username
var validUsernameRegex = regexp.MustCompile(`^[a-zA-Z0-9]+([_.-]?[a-zA-Z0-9]+)*$`)
// Check length constraints (1 to 39 characters)
if len(username) < 1 || len(username) > 39 {
return false, nil
}
return validUsernameRegex.MatchString(username), nil
}
func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
// Ignore messages from the bot itself
if m.Author.ID == s.State.User.ID {
return
}
// Check if the command is !register
if strings.HasPrefix(m.Content, "!register") {
args := strings.Fields(m.Content)
var username, email string
// Loop through arguments to find username and email
for _, arg := range args[1:] { // Skip the command itself
if strings.HasPrefix(arg, "--username=") {
username = strings.TrimPrefix(arg, "--username=")
} else if strings.HasPrefix(arg, "--email=") {
email = strings.TrimPrefix(arg, "--email=")
}
}
// If no username parameter is provided, use the user's Discord nickname or username
if username == "" {
member, err := s.GuildMember(m.GuildID, m.Author.ID)
if err != nil {
username = m.Author.Username
} else if member.Nick != "" {
username = member.Nick
} else {
username = m.Author.Username
}
}
// Remove trailing period from username if present
username = strings.TrimRight(username, ".")
// If no email parameter is provided, use the default email format
if email == "" {
email = fmt.Sprintf("%s@git.beisel.it", username)
}
// Validate the username
isValid, err := validateUsername(username)
if err != nil {
s.ChannelMessageSend(m.ChannelID, "Invalid username. Username must consist of alphanumeric characters, dashes, underscores, and dots. It cannot begin or end with non-alphanumeric characters, and consecutive non-alphanumeric characters are forbidden.")
return
}
if !isValid {
s.ChannelMessageSend(m.ChannelID, "Invalid username. Username must consist of alphanumeric characters, dashes, underscores, and dots. It cannot begin or end with non-alphanumeric characters, and consecutive non-alphanumeric characters are forbidden.")
return
}
fmt.Println("Creating user:", username)
// Auto-generate a password
password, err := generatePassword(12) // You can choose the length of the password
if err != nil {
s.ChannelMessageSend(m.ChannelID, "Failed to generate a secure password.")
return
}
// Create user in Gitea
err = createUserInGitea(username, email, password)
if err != nil {
s.ChannelMessageSend(m.ChannelID, "Failed to create user in Gitea.")
return
}
// Send DM with login details and instructions
dmChannel, err := s.UserChannelCreate(m.Author.ID)
if err != nil {
s.ChannelMessageSend(m.ChannelID, "Failed to send DM.")
return
}
dmMessage := fmt.Sprintf("You can now log in to %s using:\n\nUsername: %s\nPassword: %s\n\nYour E-Mail has temporarily been set to \"%s\". Please make sure to set this to your correct e-mail address and update your password immediately.", giteaURL, username, password, email)
_, err = s.ChannelMessageSend(dmChannel.ID, dmMessage)
if err != nil {
s.ChannelMessageSend(m.ChannelID, "Failed to send login details via DM.")
return
}
}
}
// generatePassword creates a secure, random password of a given length
func generatePassword(length int) (string, error) {
const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
var password strings.Builder
for i := 0; i < length; i++ {
charIndex, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
if err != nil {
return "", err
}
password.WriteByte(charset[charIndex.Int64()])
}
return password.String(), nil
}
func createUserInGitea(username, email, password string) error {
client, _ := gitea.NewClient(giteaURL, gitea.SetToken(giteaToken))
_, _, err := client.AdminCreateUser(gitea.CreateUserOption{
LoginName: username,
Username: username,
Email: email,
Password: password,
})
return err
}